diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/encoder/onyx_if.c')
| -rw-r--r-- | media/libvpx/libvpx/vp8/encoder/onyx_if.c | 5420 |
1 files changed, 5420 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/onyx_if.c b/media/libvpx/libvpx/vp8/encoder/onyx_if.c new file mode 100644 index 0000000000..4e128e3c49 --- /dev/null +++ b/media/libvpx/libvpx/vp8/encoder/onyx_if.c @@ -0,0 +1,5420 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "vpx_config.h" +#include "./vpx_scale_rtcd.h" +#include "./vpx_dsp_rtcd.h" +#include "./vp8_rtcd.h" +#include "bitstream.h" +#include "vp8/common/onyxc_int.h" +#include "vp8/common/blockd.h" +#include "onyx_int.h" +#include "vp8/common/systemdependent.h" +#include "vp8/common/vp8_skin_detection.h" +#include "vp8/encoder/quantize.h" +#include "vp8/common/alloccommon.h" +#include "mcomp.h" +#include "firstpass.h" +#include "vpx_dsp/psnr.h" +#include "vpx_scale/vpx_scale.h" +#include "vp8/common/extend.h" +#include "ratectrl.h" +#include "vp8/common/quant_common.h" +#include "segmentation.h" +#if CONFIG_POSTPROC +#include "vp8/common/postproc.h" +#endif +#include "vpx_mem/vpx_mem.h" +#include "vp8/common/reconintra.h" +#include "vp8/common/swapyv12buffer.h" +#include "vp8/common/threading.h" +#include "vpx_ports/system_state.h" +#include "vpx_ports/vpx_once.h" +#include "vpx_ports/vpx_timer.h" +#include "vpx_util/vpx_write_yuv_frame.h" +#if VPX_ARCH_ARM +#include "vpx_ports/arm.h" +#endif +#if CONFIG_MULTI_RES_ENCODING +#include "mr_dissim.h" +#endif +#include "encodeframe.h" +#if CONFIG_MULTITHREAD +#include "ethreading.h" +#endif +#include "picklpf.h" +#if !CONFIG_REALTIME_ONLY +#include "temporal_filter.h" +#endif + +#include <assert.h> +#include <math.h> +#include <stdio.h> +#include <limits.h> + +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING +extern int vp8_update_coef_context(VP8_COMP *cpi); +#endif + +extern unsigned int vp8_get_processor_freq(); + +int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest); + +static void set_default_lf_deltas(VP8_COMP *cpi); + +extern const int vp8_gf_interval_table[101]; + +#if CONFIG_INTERNAL_STATS +#include "math.h" +#include "vpx_dsp/ssim.h" +#endif + +#ifdef OUTPUT_YUV_SRC +FILE *yuv_file; +#endif +#ifdef OUTPUT_YUV_DENOISED +FILE *yuv_denoised_file; +#endif +#ifdef OUTPUT_YUV_SKINMAP +static FILE *yuv_skinmap_file = NULL; +#endif + +#if 0 +FILE *framepsnr; +FILE *kf_list; +FILE *keyfile; +#endif + +#if 0 +extern int skip_true_count; +extern int skip_false_count; +#endif + +#ifdef SPEEDSTATS +unsigned int frames_at_speed[16] = { 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 }; +unsigned int tot_pm = 0; +unsigned int cnt_pm = 0; +unsigned int tot_ef = 0; +unsigned int cnt_ef = 0; +#endif + +#ifdef MODE_STATS +extern unsigned __int64 Sectionbits[50]; +extern int y_modes[5]; +extern int uv_modes[4]; +extern int b_modes[10]; + +extern int inter_y_modes[10]; +extern int inter_uv_modes[4]; +extern unsigned int inter_b_modes[15]; +#endif + +extern const int vp8_bits_per_mb[2][QINDEX_RANGE]; + +extern const int qrounding_factors[129]; +extern const int qzbin_factors[129]; +extern void vp8cx_init_quantizer(VP8_COMP *cpi); +extern const int vp8cx_base_skip_false_prob[128]; + +/* Tables relating active max Q to active min Q */ +static const unsigned char kf_low_motion_minq[QINDEX_RANGE] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, + 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, + 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 11, + 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, + 17, 17, 18, 18, 18, 18, 19, 20, 20, 21, 21, 22, 23, 23 +}; +static const unsigned char kf_high_motion_minq[QINDEX_RANGE] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, + 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, + 10, 10, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 15, 16, + 16, 16, 16, 17, 17, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, + 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 30 +}; +static const unsigned char gf_low_motion_minq[QINDEX_RANGE] = { + 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, + 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, + 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, + 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, + 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, + 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58 +}; +static const unsigned char gf_mid_motion_minq[QINDEX_RANGE] = { + 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 5, + 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, + 11, 11, 12, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 16, 16, 17, 17, 18, + 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, + 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, + 37, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 45, 46, 47, 48, 49, 50, + 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 +}; +static const unsigned char gf_high_motion_minq[QINDEX_RANGE] = { + 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, + 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, + 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, + 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, + 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 38, 39, 39, 40, + 40, 41, 41, 42, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, + 57, 58, 59, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80 +}; +static const unsigned char inter_minq[QINDEX_RANGE] = { + 0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 11, + 11, 12, 13, 13, 14, 15, 15, 16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 24, + 24, 25, 26, 27, 27, 28, 29, 30, 30, 31, 32, 33, 33, 34, 35, 36, 36, 37, 38, + 39, 39, 40, 41, 42, 42, 43, 44, 45, 46, 46, 47, 48, 49, 50, 50, 51, 52, 53, + 54, 55, 55, 56, 57, 58, 59, 60, 60, 61, 62, 63, 64, 65, 66, 67, 67, 68, 69, + 70, 71, 72, 73, 74, 75, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 86, + 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100 +}; + +#ifdef PACKET_TESTING +extern FILE *vpxlogc; +#endif + +void vp8_save_layer_context(VP8_COMP *cpi) { + LAYER_CONTEXT *lc = &cpi->layer_context[cpi->current_layer]; + + /* Save layer dependent coding state */ + lc->target_bandwidth = cpi->target_bandwidth; + lc->starting_buffer_level = cpi->oxcf.starting_buffer_level; + lc->optimal_buffer_level = cpi->oxcf.optimal_buffer_level; + lc->maximum_buffer_size = cpi->oxcf.maximum_buffer_size; + lc->starting_buffer_level_in_ms = cpi->oxcf.starting_buffer_level_in_ms; + lc->optimal_buffer_level_in_ms = cpi->oxcf.optimal_buffer_level_in_ms; + lc->maximum_buffer_size_in_ms = cpi->oxcf.maximum_buffer_size_in_ms; + lc->buffer_level = cpi->buffer_level; + lc->bits_off_target = cpi->bits_off_target; + lc->total_actual_bits = cpi->total_actual_bits; + lc->worst_quality = cpi->worst_quality; + lc->active_worst_quality = cpi->active_worst_quality; + lc->best_quality = cpi->best_quality; + lc->active_best_quality = cpi->active_best_quality; + lc->ni_av_qi = cpi->ni_av_qi; + lc->ni_tot_qi = cpi->ni_tot_qi; + lc->ni_frames = cpi->ni_frames; + lc->avg_frame_qindex = cpi->avg_frame_qindex; + lc->rate_correction_factor = cpi->rate_correction_factor; + lc->key_frame_rate_correction_factor = cpi->key_frame_rate_correction_factor; + lc->gf_rate_correction_factor = cpi->gf_rate_correction_factor; + lc->zbin_over_quant = cpi->mb.zbin_over_quant; + lc->inter_frame_target = cpi->inter_frame_target; + lc->total_byte_count = cpi->total_byte_count; + lc->filter_level = cpi->common.filter_level; + lc->frames_since_last_drop_overshoot = cpi->frames_since_last_drop_overshoot; + lc->force_maxqp = cpi->force_maxqp; + lc->last_frame_percent_intra = cpi->last_frame_percent_intra; + lc->last_q[0] = cpi->last_q[0]; + lc->last_q[1] = cpi->last_q[1]; + + memcpy(lc->count_mb_ref_frame_usage, cpi->mb.count_mb_ref_frame_usage, + sizeof(cpi->mb.count_mb_ref_frame_usage)); +} + +void vp8_restore_layer_context(VP8_COMP *cpi, const int layer) { + LAYER_CONTEXT *lc = &cpi->layer_context[layer]; + + /* Restore layer dependent coding state */ + cpi->current_layer = layer; + cpi->target_bandwidth = lc->target_bandwidth; + cpi->oxcf.target_bandwidth = lc->target_bandwidth; + cpi->oxcf.starting_buffer_level = lc->starting_buffer_level; + cpi->oxcf.optimal_buffer_level = lc->optimal_buffer_level; + cpi->oxcf.maximum_buffer_size = lc->maximum_buffer_size; + cpi->oxcf.starting_buffer_level_in_ms = lc->starting_buffer_level_in_ms; + cpi->oxcf.optimal_buffer_level_in_ms = lc->optimal_buffer_level_in_ms; + cpi->oxcf.maximum_buffer_size_in_ms = lc->maximum_buffer_size_in_ms; + cpi->buffer_level = lc->buffer_level; + cpi->bits_off_target = lc->bits_off_target; + cpi->total_actual_bits = lc->total_actual_bits; + cpi->active_worst_quality = lc->active_worst_quality; + cpi->active_best_quality = lc->active_best_quality; + cpi->ni_av_qi = lc->ni_av_qi; + cpi->ni_tot_qi = lc->ni_tot_qi; + cpi->ni_frames = lc->ni_frames; + cpi->avg_frame_qindex = lc->avg_frame_qindex; + cpi->rate_correction_factor = lc->rate_correction_factor; + cpi->key_frame_rate_correction_factor = lc->key_frame_rate_correction_factor; + cpi->gf_rate_correction_factor = lc->gf_rate_correction_factor; + cpi->mb.zbin_over_quant = lc->zbin_over_quant; + cpi->inter_frame_target = lc->inter_frame_target; + cpi->total_byte_count = lc->total_byte_count; + cpi->common.filter_level = lc->filter_level; + cpi->frames_since_last_drop_overshoot = lc->frames_since_last_drop_overshoot; + cpi->force_maxqp = lc->force_maxqp; + cpi->last_frame_percent_intra = lc->last_frame_percent_intra; + cpi->last_q[0] = lc->last_q[0]; + cpi->last_q[1] = lc->last_q[1]; + + memcpy(cpi->mb.count_mb_ref_frame_usage, lc->count_mb_ref_frame_usage, + sizeof(cpi->mb.count_mb_ref_frame_usage)); +} + +static int rescale(int val, int num, int denom) { + int64_t llnum = num; + int64_t llden = denom; + int64_t llval = val; + + return (int)(llval * llnum / llden); +} + +void vp8_init_temporal_layer_context(VP8_COMP *cpi, const VP8_CONFIG *oxcf, + const int layer, + double prev_layer_framerate) { + LAYER_CONTEXT *lc = &cpi->layer_context[layer]; + + lc->framerate = cpi->output_framerate / cpi->oxcf.rate_decimator[layer]; + lc->target_bandwidth = cpi->oxcf.target_bitrate[layer] * 1000; + + lc->starting_buffer_level_in_ms = oxcf->starting_buffer_level; + lc->optimal_buffer_level_in_ms = oxcf->optimal_buffer_level; + lc->maximum_buffer_size_in_ms = oxcf->maximum_buffer_size; + + lc->starting_buffer_level = + rescale((int)(oxcf->starting_buffer_level), lc->target_bandwidth, 1000); + + if (oxcf->optimal_buffer_level == 0) { + lc->optimal_buffer_level = lc->target_bandwidth / 8; + } else { + lc->optimal_buffer_level = + rescale((int)(oxcf->optimal_buffer_level), lc->target_bandwidth, 1000); + } + + if (oxcf->maximum_buffer_size == 0) { + lc->maximum_buffer_size = lc->target_bandwidth / 8; + } else { + lc->maximum_buffer_size = + rescale((int)(oxcf->maximum_buffer_size), lc->target_bandwidth, 1000); + } + + /* Work out the average size of a frame within this layer */ + if (layer > 0) { + lc->avg_frame_size_for_layer = + (int)round((cpi->oxcf.target_bitrate[layer] - + cpi->oxcf.target_bitrate[layer - 1]) * + 1000 / (lc->framerate - prev_layer_framerate)); + } + + lc->active_worst_quality = cpi->oxcf.worst_allowed_q; + lc->active_best_quality = cpi->oxcf.best_allowed_q; + lc->avg_frame_qindex = cpi->oxcf.worst_allowed_q; + + lc->buffer_level = lc->starting_buffer_level; + lc->bits_off_target = lc->starting_buffer_level; + + lc->total_actual_bits = 0; + lc->ni_av_qi = 0; + lc->ni_tot_qi = 0; + lc->ni_frames = 0; + lc->rate_correction_factor = 1.0; + lc->key_frame_rate_correction_factor = 1.0; + lc->gf_rate_correction_factor = 1.0; + lc->inter_frame_target = 0; +} + +// Upon a run-time change in temporal layers, reset the layer context parameters +// for any "new" layers. For "existing" layers, let them inherit the parameters +// from the previous layer state (at the same layer #). In future we may want +// to better map the previous layer state(s) to the "new" ones. +void vp8_reset_temporal_layer_change(VP8_COMP *cpi, const VP8_CONFIG *oxcf, + const int prev_num_layers) { + int i; + double prev_layer_framerate = 0; + const int curr_num_layers = cpi->oxcf.number_of_layers; + // If the previous state was 1 layer, get current layer context from cpi. + // We need this to set the layer context for the new layers below. + if (prev_num_layers == 1) { + cpi->current_layer = 0; + vp8_save_layer_context(cpi); + } + for (i = 0; i < curr_num_layers; ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + if (i >= prev_num_layers) { + vp8_init_temporal_layer_context(cpi, oxcf, i, prev_layer_framerate); + } + // The initial buffer levels are set based on their starting levels. + // We could set the buffer levels based on the previous state (normalized + // properly by the layer bandwidths) but we would need to keep track of + // the previous set of layer bandwidths (i.e., target_bitrate[i]) + // before the layer change. For now, reset to the starting levels. + lc->buffer_level = + cpi->oxcf.starting_buffer_level_in_ms * cpi->oxcf.target_bitrate[i]; + lc->bits_off_target = lc->buffer_level; + // TDOD(marpan): Should we set the rate_correction_factor and + // active_worst/best_quality to values derived from the previous layer + // state (to smooth-out quality dips/rate fluctuation at transition)? + + // We need to treat the 1 layer case separately: oxcf.target_bitrate[i] + // is not set for 1 layer, and the vp8_restore_layer_context/save_context() + // are not called in the encoding loop, so we need to call it here to + // pass the layer context state to |cpi|. + if (curr_num_layers == 1) { + lc->target_bandwidth = cpi->oxcf.target_bandwidth; + lc->buffer_level = + cpi->oxcf.starting_buffer_level_in_ms * lc->target_bandwidth / 1000; + lc->bits_off_target = lc->buffer_level; + vp8_restore_layer_context(cpi, 0); + } + prev_layer_framerate = cpi->output_framerate / cpi->oxcf.rate_decimator[i]; + } +} + +static void setup_features(VP8_COMP *cpi) { + // If segmentation enabled set the update flags + if (cpi->mb.e_mbd.segmentation_enabled) { + cpi->mb.e_mbd.update_mb_segmentation_map = 1; + cpi->mb.e_mbd.update_mb_segmentation_data = 1; + } else { + cpi->mb.e_mbd.update_mb_segmentation_map = 0; + cpi->mb.e_mbd.update_mb_segmentation_data = 0; + } + + cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 0; + cpi->mb.e_mbd.mode_ref_lf_delta_update = 0; + memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas)); + memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas)); + memset(cpi->mb.e_mbd.last_ref_lf_deltas, 0, + sizeof(cpi->mb.e_mbd.ref_lf_deltas)); + memset(cpi->mb.e_mbd.last_mode_lf_deltas, 0, + sizeof(cpi->mb.e_mbd.mode_lf_deltas)); + + set_default_lf_deltas(cpi); +} + +static void dealloc_raw_frame_buffers(VP8_COMP *cpi); + +static void initialize_enc(void) { + vpx_dsp_rtcd(); + vp8_init_intra_predictors(); +} + +void vp8_initialize_enc(void) { once(initialize_enc); } + +static void dealloc_compressor_data(VP8_COMP *cpi) { + vpx_free(cpi->tplist); + cpi->tplist = NULL; + + /* Delete last frame MV storage buffers */ + vpx_free(cpi->lfmv); + cpi->lfmv = 0; + + vpx_free(cpi->lf_ref_frame_sign_bias); + cpi->lf_ref_frame_sign_bias = 0; + + vpx_free(cpi->lf_ref_frame); + cpi->lf_ref_frame = 0; + + /* Delete sementation map */ + vpx_free(cpi->segmentation_map); + cpi->segmentation_map = 0; + + vpx_free(cpi->active_map); + cpi->active_map = 0; + + vp8_de_alloc_frame_buffers(&cpi->common); + + vp8_yv12_de_alloc_frame_buffer(&cpi->pick_lf_lvl_frame); + vp8_yv12_de_alloc_frame_buffer(&cpi->scaled_source); + dealloc_raw_frame_buffers(cpi); + + vpx_free(cpi->tok); + cpi->tok = 0; + + /* Structure used to monitor GF usage */ + vpx_free(cpi->gf_active_flags); + cpi->gf_active_flags = 0; + + /* Activity mask based per mb zbin adjustments */ + vpx_free(cpi->mb_activity_map); + cpi->mb_activity_map = 0; + + vpx_free(cpi->mb.pip); + cpi->mb.pip = 0; +} + +static void enable_segmentation(VP8_COMP *cpi) { + /* Set the appropriate feature bit */ + cpi->mb.e_mbd.segmentation_enabled = 1; + cpi->mb.e_mbd.update_mb_segmentation_map = 1; + cpi->mb.e_mbd.update_mb_segmentation_data = 1; +} +static void disable_segmentation(VP8_COMP *cpi) { + /* Clear the appropriate feature bit */ + cpi->mb.e_mbd.segmentation_enabled = 0; +} + +/* Valid values for a segment are 0 to 3 + * Segmentation map is arrange as [Rows][Columns] + */ +static void set_segmentation_map(VP8_COMP *cpi, + unsigned char *segmentation_map) { + /* Copy in the new segmentation map */ + memcpy(cpi->segmentation_map, segmentation_map, + (cpi->common.mb_rows * cpi->common.mb_cols)); + + /* Signal that the map should be updated. */ + cpi->mb.e_mbd.update_mb_segmentation_map = 1; + cpi->mb.e_mbd.update_mb_segmentation_data = 1; +} + +/* The values given for each segment can be either deltas (from the default + * value chosen for the frame) or absolute values. + * + * Valid range for abs values is: + * (0-127 for MB_LVL_ALT_Q), (0-63 for SEGMENT_ALT_LF) + * Valid range for delta values are: + * (+/-127 for MB_LVL_ALT_Q), (+/-63 for SEGMENT_ALT_LF) + * + * abs_delta = SEGMENT_DELTADATA (deltas) + * abs_delta = SEGMENT_ABSDATA (use the absolute values given). + * + */ +static void set_segment_data(VP8_COMP *cpi, signed char *feature_data, + unsigned char abs_delta) { + cpi->mb.e_mbd.mb_segment_abs_delta = abs_delta; + memcpy(cpi->segment_feature_data, feature_data, + sizeof(cpi->segment_feature_data)); +} + +/* A simple function to cyclically refresh the background at a lower Q */ +static void cyclic_background_refresh(VP8_COMP *cpi, int Q, int lf_adjustment) { + unsigned char *seg_map = cpi->segmentation_map; + signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; + int i; + int block_count = cpi->cyclic_refresh_mode_max_mbs_perframe; + int mbs_in_frame = cpi->common.mb_rows * cpi->common.mb_cols; + + cpi->cyclic_refresh_q = Q / 2; + + if (cpi->oxcf.screen_content_mode) { + // Modify quality ramp-up based on Q. Above some Q level, increase the + // number of blocks to be refreshed, and reduce it below the thredhold. + // Turn-off under certain conditions (i.e., away from key frame, and if + // we are at good quality (low Q) and most of the blocks were + // skipped-encoded + // in previous frame. + int qp_thresh = (cpi->oxcf.screen_content_mode == 2) ? 80 : 100; + if (Q >= qp_thresh) { + cpi->cyclic_refresh_mode_max_mbs_perframe = + (cpi->common.mb_rows * cpi->common.mb_cols) / 10; + } else if (cpi->frames_since_key > 250 && Q < 20 && + cpi->mb.skip_true_count > (int)(0.95 * mbs_in_frame)) { + cpi->cyclic_refresh_mode_max_mbs_perframe = 0; + } else { + cpi->cyclic_refresh_mode_max_mbs_perframe = + (cpi->common.mb_rows * cpi->common.mb_cols) / 20; + } + block_count = cpi->cyclic_refresh_mode_max_mbs_perframe; + } + + // Set every macroblock to be eligible for update. + // For key frame this will reset seg map to 0. + memset(cpi->segmentation_map, 0, mbs_in_frame); + + if (cpi->common.frame_type != KEY_FRAME && block_count > 0) { + /* Cycle through the macro_block rows */ + /* MB loop to set local segmentation map */ + i = cpi->cyclic_refresh_mode_index; + assert(i < mbs_in_frame); + do { + /* If the MB is as a candidate for clean up then mark it for + * possible boost/refresh (segment 1) The segment id may get + * reset to 0 later if the MB gets coded anything other than + * last frame 0,0 as only (last frame 0,0) MBs are eligable for + * refresh : that is to say Mbs likely to be background blocks. + */ + if (cpi->cyclic_refresh_map[i] == 0) { + seg_map[i] = 1; + block_count--; + } else if (cpi->cyclic_refresh_map[i] < 0) { + cpi->cyclic_refresh_map[i]++; + } + + i++; + if (i == mbs_in_frame) i = 0; + + } while (block_count && i != cpi->cyclic_refresh_mode_index); + + cpi->cyclic_refresh_mode_index = i; + +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0) { + if (cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive && + Q < (int)cpi->denoiser.denoise_pars.qp_thresh && + (cpi->frames_since_key > + 2 * cpi->denoiser.denoise_pars.consec_zerolast)) { + // Under aggressive denoising, use segmentation to turn off loop + // filter below some qp thresh. The filter is reduced for all + // blocks that have been encoded as ZEROMV LAST x frames in a row, + // where x is set by cpi->denoiser.denoise_pars.consec_zerolast. + // This is to avoid "dot" artifacts that can occur from repeated + // loop filtering on noisy input source. + cpi->cyclic_refresh_q = Q; + // lf_adjustment = -MAX_LOOP_FILTER; + lf_adjustment = -40; + for (i = 0; i < mbs_in_frame; ++i) { + seg_map[i] = (cpi->consec_zero_last[i] > + cpi->denoiser.denoise_pars.consec_zerolast) + ? 1 + : 0; + } + } + } +#endif + } + + /* Activate segmentation. */ + cpi->mb.e_mbd.update_mb_segmentation_map = 1; + cpi->mb.e_mbd.update_mb_segmentation_data = 1; + enable_segmentation(cpi); + + /* Set up the quant segment data */ + feature_data[MB_LVL_ALT_Q][0] = 0; + feature_data[MB_LVL_ALT_Q][1] = (cpi->cyclic_refresh_q - Q); + feature_data[MB_LVL_ALT_Q][2] = 0; + feature_data[MB_LVL_ALT_Q][3] = 0; + + /* Set up the loop segment data */ + feature_data[MB_LVL_ALT_LF][0] = 0; + feature_data[MB_LVL_ALT_LF][1] = lf_adjustment; + feature_data[MB_LVL_ALT_LF][2] = 0; + feature_data[MB_LVL_ALT_LF][3] = 0; + + /* Initialise the feature data structure */ + set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA); +} + +static void compute_skin_map(VP8_COMP *cpi) { + int mb_row, mb_col, num_bl; + VP8_COMMON *cm = &cpi->common; + const uint8_t *src_y = cpi->Source->y_buffer; + const uint8_t *src_u = cpi->Source->u_buffer; + const uint8_t *src_v = cpi->Source->v_buffer; + const int src_ystride = cpi->Source->y_stride; + const int src_uvstride = cpi->Source->uv_stride; + + const SKIN_DETECTION_BLOCK_SIZE bsize = + (cm->Width * cm->Height <= 352 * 288) ? SKIN_8X8 : SKIN_16X16; + + for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) { + num_bl = 0; + for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) { + const int bl_index = mb_row * cm->mb_cols + mb_col; + cpi->skin_map[bl_index] = + vp8_compute_skin_block(src_y, src_u, src_v, src_ystride, src_uvstride, + bsize, cpi->consec_zero_last[bl_index], 0); + num_bl++; + src_y += 16; + src_u += 8; + src_v += 8; + } + src_y += (src_ystride << 4) - (num_bl << 4); + src_u += (src_uvstride << 3) - (num_bl << 3); + src_v += (src_uvstride << 3) - (num_bl << 3); + } + + // Remove isolated skin blocks (none of its neighbors are skin) and isolated + // non-skin blocks (all of its neighbors are skin). Skip the boundary. + for (mb_row = 1; mb_row < cm->mb_rows - 1; mb_row++) { + for (mb_col = 1; mb_col < cm->mb_cols - 1; mb_col++) { + const int bl_index = mb_row * cm->mb_cols + mb_col; + int num_neighbor = 0; + int mi, mj; + int non_skin_threshold = 8; + + for (mi = -1; mi <= 1; mi += 1) { + for (mj = -1; mj <= 1; mj += 1) { + int bl_neighbor_index = (mb_row + mi) * cm->mb_cols + mb_col + mj; + if (cpi->skin_map[bl_neighbor_index]) num_neighbor++; + } + } + + if (cpi->skin_map[bl_index] && num_neighbor < 2) + cpi->skin_map[bl_index] = 0; + if (!cpi->skin_map[bl_index] && num_neighbor == non_skin_threshold) + cpi->skin_map[bl_index] = 1; + } + } +} + +static void set_default_lf_deltas(VP8_COMP *cpi) { + cpi->mb.e_mbd.mode_ref_lf_delta_enabled = 1; + cpi->mb.e_mbd.mode_ref_lf_delta_update = 1; + + memset(cpi->mb.e_mbd.ref_lf_deltas, 0, sizeof(cpi->mb.e_mbd.ref_lf_deltas)); + memset(cpi->mb.e_mbd.mode_lf_deltas, 0, sizeof(cpi->mb.e_mbd.mode_lf_deltas)); + + /* Test of ref frame deltas */ + cpi->mb.e_mbd.ref_lf_deltas[INTRA_FRAME] = 2; + cpi->mb.e_mbd.ref_lf_deltas[LAST_FRAME] = 0; + cpi->mb.e_mbd.ref_lf_deltas[GOLDEN_FRAME] = -2; + cpi->mb.e_mbd.ref_lf_deltas[ALTREF_FRAME] = -2; + + cpi->mb.e_mbd.mode_lf_deltas[0] = 4; /* BPRED */ + + if (cpi->oxcf.Mode == MODE_REALTIME) { + cpi->mb.e_mbd.mode_lf_deltas[1] = -12; /* Zero */ + } else { + cpi->mb.e_mbd.mode_lf_deltas[1] = -2; /* Zero */ + } + + cpi->mb.e_mbd.mode_lf_deltas[2] = 2; /* New mv */ + cpi->mb.e_mbd.mode_lf_deltas[3] = 4; /* Split mv */ +} + +/* Convenience macros for mapping speed and mode into a continuous + * range + */ +#define GOOD(x) ((x) + 1) +#define RT(x) ((x) + 7) + +static int speed_map(int speed, const int *map) { + int res; + + do { + res = *map++; + } while (speed >= *map++); + return res; +} + +static const int thresh_mult_map_znn[] = { + /* map common to zero, nearest, and near */ + 0, GOOD(2), 1500, GOOD(3), 2000, RT(0), 1000, RT(2), 2000, INT_MAX +}; + +static const int thresh_mult_map_vhpred[] = { 1000, GOOD(2), 1500, GOOD(3), + 2000, RT(0), 1000, RT(1), + 2000, RT(7), INT_MAX, INT_MAX }; + +static const int thresh_mult_map_bpred[] = { 2000, GOOD(0), 2500, GOOD(2), + 5000, GOOD(3), 7500, RT(0), + 2500, RT(1), 5000, RT(6), + INT_MAX, INT_MAX }; + +static const int thresh_mult_map_tm[] = { 1000, GOOD(2), 1500, GOOD(3), + 2000, RT(0), 0, RT(1), + 1000, RT(2), 2000, RT(7), + INT_MAX, INT_MAX }; + +static const int thresh_mult_map_new1[] = { 1000, GOOD(2), 2000, + RT(0), 2000, INT_MAX }; + +static const int thresh_mult_map_new2[] = { 1000, GOOD(2), 2000, GOOD(3), + 2500, GOOD(5), 4000, RT(0), + 2000, RT(2), 2500, RT(5), + 4000, INT_MAX }; + +static const int thresh_mult_map_split1[] = { + 2500, GOOD(0), 1700, GOOD(2), 10000, GOOD(3), 25000, GOOD(4), INT_MAX, + RT(0), 5000, RT(1), 10000, RT(2), 25000, RT(3), INT_MAX, INT_MAX +}; + +static const int thresh_mult_map_split2[] = { + 5000, GOOD(0), 4500, GOOD(2), 20000, GOOD(3), 50000, GOOD(4), INT_MAX, + RT(0), 10000, RT(1), 20000, RT(2), 50000, RT(3), INT_MAX, INT_MAX +}; + +static const int mode_check_freq_map_zn2[] = { + /* {zero,nearest}{2,3} */ + 0, RT(10), 1 << 1, RT(11), 1 << 2, RT(12), 1 << 3, INT_MAX +}; + +static const int mode_check_freq_map_vhbpred[] = { 0, GOOD(5), 2, RT(0), + 0, RT(3), 2, RT(5), + 4, INT_MAX }; + +static const int mode_check_freq_map_near2[] = { + 0, GOOD(5), 2, RT(0), 0, RT(3), 2, + RT(10), 1 << 2, RT(11), 1 << 3, RT(12), 1 << 4, INT_MAX +}; + +static const int mode_check_freq_map_new1[] = { + 0, RT(10), 1 << 1, RT(11), 1 << 2, RT(12), 1 << 3, INT_MAX +}; + +static const int mode_check_freq_map_new2[] = { 0, GOOD(5), 4, RT(0), + 0, RT(3), 4, RT(10), + 1 << 3, RT(11), 1 << 4, RT(12), + 1 << 5, INT_MAX }; + +static const int mode_check_freq_map_split1[] = { 0, GOOD(2), 2, GOOD(3), + 7, RT(1), 2, RT(2), + 7, INT_MAX }; + +static const int mode_check_freq_map_split2[] = { 0, GOOD(1), 2, GOOD(2), + 4, GOOD(3), 15, RT(1), + 4, RT(2), 15, INT_MAX }; + +void vp8_set_speed_features(VP8_COMP *cpi) { + SPEED_FEATURES *sf = &cpi->sf; + int Mode = cpi->compressor_speed; + int Speed = cpi->Speed; + int Speed2; + int i; + VP8_COMMON *cm = &cpi->common; + int last_improved_quant = sf->improved_quant; + int ref_frames; + + /* Initialise default mode frequency sampling variables */ + for (i = 0; i < MAX_MODES; ++i) { + cpi->mode_check_freq[i] = 0; + } + + cpi->mb.mbs_tested_so_far = 0; + cpi->mb.mbs_zero_last_dot_suppress = 0; + + /* best quality defaults */ + sf->RD = 1; + sf->search_method = NSTEP; + sf->improved_quant = 1; + sf->improved_dct = 1; + sf->auto_filter = 1; + sf->recode_loop = 1; + sf->quarter_pixel_search = 1; + sf->half_pixel_search = 1; + sf->iterative_sub_pixel = 1; + sf->optimize_coefficients = 1; + sf->use_fastquant_for_pick = 0; + sf->no_skip_block4x4_search = 1; + + sf->first_step = 0; + sf->max_step_search_steps = MAX_MVSEARCH_STEPS; + sf->improved_mv_pred = 1; + + /* default thresholds to 0 */ + for (i = 0; i < MAX_MODES; ++i) sf->thresh_mult[i] = 0; + + /* Count enabled references */ + ref_frames = 1; + if (cpi->ref_frame_flags & VP8_LAST_FRAME) ref_frames++; + if (cpi->ref_frame_flags & VP8_GOLD_FRAME) ref_frames++; + if (cpi->ref_frame_flags & VP8_ALTR_FRAME) ref_frames++; + + /* Convert speed to continuous range, with clamping */ + if (Mode == 0) { + Speed = 0; + } else if (Mode == 2) { + Speed = RT(Speed); + } else { + if (Speed > 5) Speed = 5; + Speed = GOOD(Speed); + } + + sf->thresh_mult[THR_ZERO1] = sf->thresh_mult[THR_NEAREST1] = + sf->thresh_mult[THR_NEAR1] = sf->thresh_mult[THR_DC] = 0; /* always */ + + sf->thresh_mult[THR_ZERO2] = sf->thresh_mult[THR_ZERO3] = + sf->thresh_mult[THR_NEAREST2] = sf->thresh_mult[THR_NEAREST3] = + sf->thresh_mult[THR_NEAR2] = sf->thresh_mult[THR_NEAR3] = + speed_map(Speed, thresh_mult_map_znn); + + sf->thresh_mult[THR_V_PRED] = sf->thresh_mult[THR_H_PRED] = + speed_map(Speed, thresh_mult_map_vhpred); + sf->thresh_mult[THR_B_PRED] = speed_map(Speed, thresh_mult_map_bpred); + sf->thresh_mult[THR_TM] = speed_map(Speed, thresh_mult_map_tm); + sf->thresh_mult[THR_NEW1] = speed_map(Speed, thresh_mult_map_new1); + sf->thresh_mult[THR_NEW2] = sf->thresh_mult[THR_NEW3] = + speed_map(Speed, thresh_mult_map_new2); + sf->thresh_mult[THR_SPLIT1] = speed_map(Speed, thresh_mult_map_split1); + sf->thresh_mult[THR_SPLIT2] = sf->thresh_mult[THR_SPLIT3] = + speed_map(Speed, thresh_mult_map_split2); + + // Special case for temporal layers. + // Reduce the thresholds for zero/nearest/near for GOLDEN, if GOLDEN is + // used as second reference. We don't modify thresholds for ALTREF case + // since ALTREF is usually used as long-term reference in temporal layers. + if ((cpi->Speed <= 6) && (cpi->oxcf.number_of_layers > 1) && + (cpi->ref_frame_flags & VP8_LAST_FRAME) && + (cpi->ref_frame_flags & VP8_GOLD_FRAME)) { + if (cpi->closest_reference_frame == GOLDEN_FRAME) { + sf->thresh_mult[THR_ZERO2] = sf->thresh_mult[THR_ZERO2] >> 3; + sf->thresh_mult[THR_NEAREST2] = sf->thresh_mult[THR_NEAREST2] >> 3; + sf->thresh_mult[THR_NEAR2] = sf->thresh_mult[THR_NEAR2] >> 3; + } else { + sf->thresh_mult[THR_ZERO2] = sf->thresh_mult[THR_ZERO2] >> 1; + sf->thresh_mult[THR_NEAREST2] = sf->thresh_mult[THR_NEAREST2] >> 1; + sf->thresh_mult[THR_NEAR2] = sf->thresh_mult[THR_NEAR2] >> 1; + } + } + + cpi->mode_check_freq[THR_ZERO1] = cpi->mode_check_freq[THR_NEAREST1] = + cpi->mode_check_freq[THR_NEAR1] = cpi->mode_check_freq[THR_TM] = + cpi->mode_check_freq[THR_DC] = 0; /* always */ + + cpi->mode_check_freq[THR_ZERO2] = cpi->mode_check_freq[THR_ZERO3] = + cpi->mode_check_freq[THR_NEAREST2] = cpi->mode_check_freq[THR_NEAREST3] = + speed_map(Speed, mode_check_freq_map_zn2); + + cpi->mode_check_freq[THR_NEAR2] = cpi->mode_check_freq[THR_NEAR3] = + speed_map(Speed, mode_check_freq_map_near2); + + cpi->mode_check_freq[THR_V_PRED] = cpi->mode_check_freq[THR_H_PRED] = + cpi->mode_check_freq[THR_B_PRED] = + speed_map(Speed, mode_check_freq_map_vhbpred); + + // For real-time mode at speed 10 keep the mode_check_freq threshold + // for NEW1 similar to that of speed 9. + Speed2 = Speed; + if (cpi->Speed == 10 && Mode == 2) Speed2 = RT(9); + cpi->mode_check_freq[THR_NEW1] = speed_map(Speed2, mode_check_freq_map_new1); + + cpi->mode_check_freq[THR_NEW2] = cpi->mode_check_freq[THR_NEW3] = + speed_map(Speed, mode_check_freq_map_new2); + + cpi->mode_check_freq[THR_SPLIT1] = + speed_map(Speed, mode_check_freq_map_split1); + cpi->mode_check_freq[THR_SPLIT2] = cpi->mode_check_freq[THR_SPLIT3] = + speed_map(Speed, mode_check_freq_map_split2); + Speed = cpi->Speed; + switch (Mode) { +#if !CONFIG_REALTIME_ONLY + case 0: /* best quality mode */ + sf->first_step = 0; + sf->max_step_search_steps = MAX_MVSEARCH_STEPS; + break; + case 1: + case 3: + if (Speed > 0) { + /* Disable coefficient optimization above speed 0 */ + sf->optimize_coefficients = 0; + sf->use_fastquant_for_pick = 1; + sf->no_skip_block4x4_search = 0; + + sf->first_step = 1; + } + + if (Speed > 2) { + sf->improved_quant = 0; + sf->improved_dct = 0; + + /* Only do recode loop on key frames, golden frames and + * alt ref frames + */ + sf->recode_loop = 2; + } + + if (Speed > 3) { + sf->auto_filter = 1; + sf->recode_loop = 0; /* recode loop off */ + sf->RD = 0; /* Turn rd off */ + } + + if (Speed > 4) { + sf->auto_filter = 0; /* Faster selection of loop filter */ + } + + break; +#endif + case 2: + sf->optimize_coefficients = 0; + sf->recode_loop = 0; + sf->auto_filter = 1; + sf->iterative_sub_pixel = 1; + sf->search_method = NSTEP; + + if (Speed > 0) { + sf->improved_quant = 0; + sf->improved_dct = 0; + + sf->use_fastquant_for_pick = 1; + sf->no_skip_block4x4_search = 0; + sf->first_step = 1; + } + + if (Speed > 2) sf->auto_filter = 0; /* Faster selection of loop filter */ + + if (Speed > 3) { + sf->RD = 0; + sf->auto_filter = 1; + } + + if (Speed > 4) { + sf->auto_filter = 0; /* Faster selection of loop filter */ + sf->search_method = HEX; + sf->iterative_sub_pixel = 0; + } + + if (Speed > 6) { + unsigned int sum = 0; + unsigned int total_mbs = cm->MBs; + int thresh; + unsigned int total_skip; + + int min = 2000; + + if (cpi->oxcf.encode_breakout > 2000) min = cpi->oxcf.encode_breakout; + + min >>= 7; + + for (i = 0; i < min; ++i) { + sum += cpi->mb.error_bins[i]; + } + + total_skip = sum; + sum = 0; + + /* i starts from 2 to make sure thresh started from 2048 */ + for (; i < 1024; ++i) { + sum += cpi->mb.error_bins[i]; + + if (10 * sum >= + (unsigned int)(cpi->Speed - 6) * (total_mbs - total_skip)) { + break; + } + } + + i--; + thresh = (i << 7); + + if (thresh < 2000) thresh = 2000; + + if (ref_frames > 1) { + sf->thresh_mult[THR_NEW1] = thresh; + sf->thresh_mult[THR_NEAREST1] = thresh >> 1; + sf->thresh_mult[THR_NEAR1] = thresh >> 1; + } + + if (ref_frames > 2) { + sf->thresh_mult[THR_NEW2] = thresh << 1; + sf->thresh_mult[THR_NEAREST2] = thresh; + sf->thresh_mult[THR_NEAR2] = thresh; + } + + if (ref_frames > 3) { + sf->thresh_mult[THR_NEW3] = thresh << 1; + sf->thresh_mult[THR_NEAREST3] = thresh; + sf->thresh_mult[THR_NEAR3] = thresh; + } + + sf->improved_mv_pred = 0; + } + + if (Speed > 8) sf->quarter_pixel_search = 0; + + if (cm->version == 0) { + cm->filter_type = NORMAL_LOOPFILTER; + + if (Speed >= 14) cm->filter_type = SIMPLE_LOOPFILTER; + } else { + cm->filter_type = SIMPLE_LOOPFILTER; + } + + /* This has a big hit on quality. Last resort */ + if (Speed >= 15) sf->half_pixel_search = 0; + + memset(cpi->mb.error_bins, 0, sizeof(cpi->mb.error_bins)); + + } /* switch */ + + /* Slow quant, dct and trellis not worthwhile for first pass + * so make sure they are always turned off. + */ + if (cpi->pass == 1) { + sf->improved_quant = 0; + sf->optimize_coefficients = 0; + sf->improved_dct = 0; + } + + if (cpi->sf.search_method == NSTEP) { + vp8_init3smotion_compensation(&cpi->mb, + cm->yv12_fb[cm->lst_fb_idx].y_stride); + } else if (cpi->sf.search_method == DIAMOND) { + vp8_init_dsmotion_compensation(&cpi->mb, + cm->yv12_fb[cm->lst_fb_idx].y_stride); + } + + if (cpi->sf.improved_dct) { + cpi->mb.short_fdct8x4 = vp8_short_fdct8x4; + cpi->mb.short_fdct4x4 = vp8_short_fdct4x4; + } else { + /* No fast FDCT defined for any platform at this time. */ + cpi->mb.short_fdct8x4 = vp8_short_fdct8x4; + cpi->mb.short_fdct4x4 = vp8_short_fdct4x4; + } + + cpi->mb.short_walsh4x4 = vp8_short_walsh4x4; + + if (cpi->sf.improved_quant) { + cpi->mb.quantize_b = vp8_regular_quantize_b; + } else { + cpi->mb.quantize_b = vp8_fast_quantize_b; + } + if (cpi->sf.improved_quant != last_improved_quant) vp8cx_init_quantizer(cpi); + + if (cpi->sf.iterative_sub_pixel == 1) { + cpi->find_fractional_mv_step = vp8_find_best_sub_pixel_step_iteratively; + } else if (cpi->sf.quarter_pixel_search) { + cpi->find_fractional_mv_step = vp8_find_best_sub_pixel_step; + } else if (cpi->sf.half_pixel_search) { + cpi->find_fractional_mv_step = vp8_find_best_half_pixel_step; + } else { + cpi->find_fractional_mv_step = vp8_skip_fractional_mv_step; + } + + if (cpi->sf.optimize_coefficients == 1 && cpi->pass != 1) { + cpi->mb.optimize = 1; + } else { + cpi->mb.optimize = 0; + } + + if (cpi->common.full_pixel) { + cpi->find_fractional_mv_step = vp8_skip_fractional_mv_step; + } + +#ifdef SPEEDSTATS + frames_at_speed[cpi->Speed]++; +#endif +} +#undef GOOD +#undef RT + +static void alloc_raw_frame_buffers(VP8_COMP *cpi) { +#if VP8_TEMPORAL_ALT_REF + int width = (cpi->oxcf.Width + 15) & ~15; + int height = (cpi->oxcf.Height + 15) & ~15; +#endif + + cpi->lookahead = vp8_lookahead_init(cpi->oxcf.Width, cpi->oxcf.Height, + cpi->oxcf.lag_in_frames); + if (!cpi->lookahead) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate lag buffers"); + } + +#if VP8_TEMPORAL_ALT_REF + + if (vp8_yv12_alloc_frame_buffer(&cpi->alt_ref_buffer, width, height, + VP8BORDERINPIXELS)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate altref buffer"); + } + +#endif +} + +static void dealloc_raw_frame_buffers(VP8_COMP *cpi) { +#if VP8_TEMPORAL_ALT_REF + vp8_yv12_de_alloc_frame_buffer(&cpi->alt_ref_buffer); +#endif + vp8_lookahead_destroy(cpi->lookahead); +} + +static int vp8_alloc_partition_data(VP8_COMP *cpi) { + vpx_free(cpi->mb.pip); + + cpi->mb.pip = + vpx_calloc((cpi->common.mb_cols + 1) * (cpi->common.mb_rows + 1), + sizeof(PARTITION_INFO)); + if (!cpi->mb.pip) return 1; + + cpi->mb.pi = cpi->mb.pip + cpi->common.mode_info_stride + 1; + + return 0; +} + +void vp8_alloc_compressor_data(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + int width = cm->Width; + int height = cm->Height; + + if (vp8_alloc_frame_buffers(cm, width, height)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate frame buffers"); + } + + if (vp8_alloc_partition_data(cpi)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate partition data"); + } + + if ((width & 0xf) != 0) width += 16 - (width & 0xf); + + if ((height & 0xf) != 0) height += 16 - (height & 0xf); + + if (vp8_yv12_alloc_frame_buffer(&cpi->pick_lf_lvl_frame, width, height, + VP8BORDERINPIXELS)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate last frame buffer"); + } + + if (vp8_yv12_alloc_frame_buffer(&cpi->scaled_source, width, height, + VP8BORDERINPIXELS)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate scaled source buffer"); + } + + vpx_free(cpi->tok); + + { +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + unsigned int tokens = 8 * 24 * 16; /* one MB for each thread */ +#else + unsigned int tokens = cm->mb_rows * cm->mb_cols * 24 * 16; +#endif + CHECK_MEM_ERROR(&cpi->common.error, cpi->tok, + vpx_calloc(tokens, sizeof(*cpi->tok))); + } + + /* Data used for real time vc mode to see if gf needs refreshing */ + cpi->zeromv_count = 0; + + /* Structures used to monitor GF usage */ + vpx_free(cpi->gf_active_flags); + CHECK_MEM_ERROR( + &cpi->common.error, cpi->gf_active_flags, + vpx_calloc(sizeof(*cpi->gf_active_flags), cm->mb_rows * cm->mb_cols)); + cpi->gf_active_count = cm->mb_rows * cm->mb_cols; + + vpx_free(cpi->mb_activity_map); + CHECK_MEM_ERROR( + &cpi->common.error, cpi->mb_activity_map, + vpx_calloc(sizeof(*cpi->mb_activity_map), cm->mb_rows * cm->mb_cols)); + + /* allocate memory for storing last frame's MVs for MV prediction. */ + vpx_free(cpi->lfmv); + CHECK_MEM_ERROR( + &cpi->common.error, cpi->lfmv, + vpx_calloc((cm->mb_rows + 2) * (cm->mb_cols + 2), sizeof(*cpi->lfmv))); + vpx_free(cpi->lf_ref_frame_sign_bias); + CHECK_MEM_ERROR(&cpi->common.error, cpi->lf_ref_frame_sign_bias, + vpx_calloc((cm->mb_rows + 2) * (cm->mb_cols + 2), + sizeof(*cpi->lf_ref_frame_sign_bias))); + vpx_free(cpi->lf_ref_frame); + CHECK_MEM_ERROR(&cpi->common.error, cpi->lf_ref_frame, + vpx_calloc((cm->mb_rows + 2) * (cm->mb_cols + 2), + sizeof(*cpi->lf_ref_frame))); + + /* Create the encoder segmentation map and set all entries to 0 */ + vpx_free(cpi->segmentation_map); + CHECK_MEM_ERROR( + &cpi->common.error, cpi->segmentation_map, + vpx_calloc(cm->mb_rows * cm->mb_cols, sizeof(*cpi->segmentation_map))); + cpi->cyclic_refresh_mode_index = 0; + vpx_free(cpi->active_map); + CHECK_MEM_ERROR( + &cpi->common.error, cpi->active_map, + vpx_calloc(cm->mb_rows * cm->mb_cols, sizeof(*cpi->active_map))); + memset(cpi->active_map, 1, (cm->mb_rows * cm->mb_cols)); + +#if CONFIG_MULTITHREAD + if (width < 640) { + cpi->mt_sync_range = 1; + } else if (width <= 1280) { + cpi->mt_sync_range = 4; + } else if (width <= 2560) { + cpi->mt_sync_range = 8; + } else { + cpi->mt_sync_range = 16; + } +#endif + + vpx_free(cpi->tplist); + CHECK_MEM_ERROR(&cpi->common.error, cpi->tplist, + vpx_malloc(sizeof(TOKENLIST) * cm->mb_rows)); + +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity > 0) { + vp8_denoiser_free(&cpi->denoiser); + if (vp8_denoiser_allocate(&cpi->denoiser, width, height, cm->mb_rows, + cm->mb_cols, cpi->oxcf.noise_sensitivity)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate denoiser"); + } + } +#endif +} + +/* Quant MOD */ +static const int q_trans[] = { + 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 15, 17, 18, 19, + 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 35, 37, 39, 41, + 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 64, 67, 70, 73, 76, 79, + 82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, +}; + +int vp8_reverse_trans(int x) { + int i; + + for (i = 0; i < 64; ++i) { + if (q_trans[i] >= x) return i; + } + + return 63; +} +void vp8_new_framerate(VP8_COMP *cpi, double framerate) { + if (framerate < .1) framerate = 30; + + cpi->framerate = framerate; + cpi->output_framerate = framerate; + cpi->per_frame_bandwidth = + (int)round(cpi->oxcf.target_bandwidth / cpi->output_framerate); + cpi->av_per_frame_bandwidth = cpi->per_frame_bandwidth; + cpi->min_frame_bandwidth = (int)(cpi->av_per_frame_bandwidth * + cpi->oxcf.two_pass_vbrmin_section / 100); + + /* Set Maximum gf/arf interval */ + cpi->max_gf_interval = ((int)(cpi->output_framerate / 2.0) + 2); + + if (cpi->max_gf_interval < 12) cpi->max_gf_interval = 12; + + /* Extended interval for genuinely static scenes */ + cpi->twopass.static_scene_max_gf_interval = cpi->key_frame_frequency >> 1; + + /* Special conditions when altr ref frame enabled in lagged compress mode */ + if (cpi->oxcf.play_alternate && cpi->oxcf.lag_in_frames) { + if (cpi->max_gf_interval > cpi->oxcf.lag_in_frames - 1) { + cpi->max_gf_interval = cpi->oxcf.lag_in_frames - 1; + } + + if (cpi->twopass.static_scene_max_gf_interval > + cpi->oxcf.lag_in_frames - 1) { + cpi->twopass.static_scene_max_gf_interval = cpi->oxcf.lag_in_frames - 1; + } + } + + if (cpi->max_gf_interval > cpi->twopass.static_scene_max_gf_interval) { + cpi->max_gf_interval = cpi->twopass.static_scene_max_gf_interval; + } +} + +static void init_config(VP8_COMP *cpi, const VP8_CONFIG *oxcf) { + VP8_COMMON *cm = &cpi->common; + + cpi->oxcf = *oxcf; + + cpi->auto_gold = 1; + cpi->auto_adjust_gold_quantizer = 1; + + cm->version = oxcf->Version; + vp8_setup_version(cm); + + /* Frame rate is not available on the first frame, as it's derived from + * the observed timestamps. The actual value used here doesn't matter + * too much, as it will adapt quickly. + */ + if (oxcf->timebase.num > 0) { + cpi->framerate = + (double)(oxcf->timebase.den) / (double)(oxcf->timebase.num); + } else { + cpi->framerate = 30; + } + + /* If the reciprocal of the timebase seems like a reasonable framerate, + * then use that as a guess, otherwise use 30. + */ + if (cpi->framerate > 180) cpi->framerate = 30; + + cpi->ref_framerate = cpi->framerate; + + cpi->ref_frame_flags = VP8_ALTR_FRAME | VP8_GOLD_FRAME | VP8_LAST_FRAME; + + cm->refresh_golden_frame = 0; + cm->refresh_last_frame = 1; + cm->refresh_entropy_probs = 1; + + /* change includes all joint functionality */ + vp8_change_config(cpi, oxcf); + + /* Initialize active best and worst q and average q values. */ + cpi->active_worst_quality = cpi->oxcf.worst_allowed_q; + cpi->active_best_quality = cpi->oxcf.best_allowed_q; + cpi->avg_frame_qindex = cpi->oxcf.worst_allowed_q; + + /* Initialise the starting buffer levels */ + cpi->buffer_level = cpi->oxcf.starting_buffer_level; + cpi->bits_off_target = cpi->oxcf.starting_buffer_level; + + cpi->rolling_target_bits = cpi->av_per_frame_bandwidth; + cpi->rolling_actual_bits = cpi->av_per_frame_bandwidth; + cpi->long_rolling_target_bits = cpi->av_per_frame_bandwidth; + cpi->long_rolling_actual_bits = cpi->av_per_frame_bandwidth; + + cpi->total_actual_bits = 0; + cpi->total_target_vs_actual = 0; + + /* Temporal scalabilty */ + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + double prev_layer_framerate = 0; + + for (i = 0; i < cpi->oxcf.number_of_layers; ++i) { + vp8_init_temporal_layer_context(cpi, oxcf, i, prev_layer_framerate); + prev_layer_framerate = + cpi->output_framerate / cpi->oxcf.rate_decimator[i]; + } + } + +#if VP8_TEMPORAL_ALT_REF + { + int i; + + cpi->fixed_divide[0] = 0; + + for (i = 1; i < 512; ++i) cpi->fixed_divide[i] = 0x80000 / i; + } +#endif +} + +void vp8_update_layer_contexts(VP8_COMP *cpi) { + VP8_CONFIG *oxcf = &cpi->oxcf; + + /* Update snapshots of the layer contexts to reflect new parameters */ + if (oxcf->number_of_layers > 1) { + unsigned int i; + double prev_layer_framerate = 0; + + assert(oxcf->number_of_layers <= VPX_TS_MAX_LAYERS); + for (i = 0; i < oxcf->number_of_layers && i < VPX_TS_MAX_LAYERS; ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + + lc->framerate = cpi->ref_framerate / oxcf->rate_decimator[i]; + lc->target_bandwidth = oxcf->target_bitrate[i] * 1000; + + lc->starting_buffer_level = rescale( + (int)oxcf->starting_buffer_level_in_ms, lc->target_bandwidth, 1000); + + if (oxcf->optimal_buffer_level == 0) { + lc->optimal_buffer_level = lc->target_bandwidth / 8; + } else { + lc->optimal_buffer_level = rescale( + (int)oxcf->optimal_buffer_level_in_ms, lc->target_bandwidth, 1000); + } + + if (oxcf->maximum_buffer_size == 0) { + lc->maximum_buffer_size = lc->target_bandwidth / 8; + } else { + lc->maximum_buffer_size = rescale((int)oxcf->maximum_buffer_size_in_ms, + lc->target_bandwidth, 1000); + } + + /* Work out the average size of a frame within this layer */ + if (i > 0) { + lc->avg_frame_size_for_layer = + (int)round((oxcf->target_bitrate[i] - oxcf->target_bitrate[i - 1]) * + 1000 / (lc->framerate - prev_layer_framerate)); + } + + prev_layer_framerate = lc->framerate; + } + } +} + +void vp8_change_config(VP8_COMP *cpi, const VP8_CONFIG *oxcf) { + VP8_COMMON *cm = &cpi->common; + int last_w, last_h; + unsigned int prev_number_of_layers; + double raw_target_rate; + + if (!cpi) return; + + if (!oxcf) return; + + if (cm->version != oxcf->Version) { + cm->version = oxcf->Version; + vp8_setup_version(cm); + } + + last_w = cpi->oxcf.Width; + last_h = cpi->oxcf.Height; + prev_number_of_layers = cpi->oxcf.number_of_layers; + + cpi->oxcf = *oxcf; + + switch (cpi->oxcf.Mode) { + case MODE_REALTIME: + cpi->pass = 0; + cpi->compressor_speed = 2; + + if (cpi->oxcf.cpu_used < -16) { + cpi->oxcf.cpu_used = -16; + } + + if (cpi->oxcf.cpu_used > 16) cpi->oxcf.cpu_used = 16; + + break; + + case MODE_GOODQUALITY: + cpi->pass = 0; + cpi->compressor_speed = 1; + + if (cpi->oxcf.cpu_used < -5) { + cpi->oxcf.cpu_used = -5; + } + + if (cpi->oxcf.cpu_used > 5) cpi->oxcf.cpu_used = 5; + + break; + + case MODE_BESTQUALITY: + cpi->pass = 0; + cpi->compressor_speed = 0; + break; + + case MODE_FIRSTPASS: + cpi->pass = 1; + cpi->compressor_speed = 1; + break; + case MODE_SECONDPASS: + cpi->pass = 2; + cpi->compressor_speed = 1; + + if (cpi->oxcf.cpu_used < -5) { + cpi->oxcf.cpu_used = -5; + } + + if (cpi->oxcf.cpu_used > 5) cpi->oxcf.cpu_used = 5; + + break; + case MODE_SECONDPASS_BEST: + cpi->pass = 2; + cpi->compressor_speed = 0; + break; + } + + if (cpi->pass == 0) cpi->auto_worst_q = 1; + + cpi->oxcf.worst_allowed_q = q_trans[oxcf->worst_allowed_q]; + cpi->oxcf.best_allowed_q = q_trans[oxcf->best_allowed_q]; + cpi->oxcf.cq_level = q_trans[cpi->oxcf.cq_level]; + + if (oxcf->fixed_q >= 0) { + if (oxcf->worst_allowed_q < 0) { + cpi->oxcf.fixed_q = q_trans[0]; + } else { + cpi->oxcf.fixed_q = q_trans[oxcf->worst_allowed_q]; + } + + if (oxcf->alt_q < 0) { + cpi->oxcf.alt_q = q_trans[0]; + } else { + cpi->oxcf.alt_q = q_trans[oxcf->alt_q]; + } + + if (oxcf->key_q < 0) { + cpi->oxcf.key_q = q_trans[0]; + } else { + cpi->oxcf.key_q = q_trans[oxcf->key_q]; + } + + if (oxcf->gold_q < 0) { + cpi->oxcf.gold_q = q_trans[0]; + } else { + cpi->oxcf.gold_q = q_trans[oxcf->gold_q]; + } + } + + cpi->ext_refresh_frame_flags_pending = 0; + + cpi->baseline_gf_interval = + cpi->oxcf.alt_freq ? cpi->oxcf.alt_freq : DEFAULT_GF_INTERVAL; + + // GF behavior for 1 pass CBR, used when error_resilience is off. + if (!cpi->oxcf.error_resilient_mode && + cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER && + cpi->oxcf.Mode == MODE_REALTIME) + cpi->baseline_gf_interval = cpi->gf_interval_onepass_cbr; + +#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING) + cpi->oxcf.token_partitions = 3; +#endif + + if (cpi->oxcf.token_partitions >= 0 && cpi->oxcf.token_partitions <= 3) { + cm->multi_token_partition = (TOKEN_PARTITION)cpi->oxcf.token_partitions; + } + + setup_features(cpi); + + if (!cpi->use_roi_static_threshold) { + int i; + for (i = 0; i < MAX_MB_SEGMENTS; ++i) { + cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout; + } + } + + /* At the moment the first order values may not be > MAXQ */ + if (cpi->oxcf.fixed_q > MAXQ) cpi->oxcf.fixed_q = MAXQ; + + /* local file playback mode == really big buffer */ + if (cpi->oxcf.end_usage == USAGE_LOCAL_FILE_PLAYBACK) { + cpi->oxcf.starting_buffer_level = 60000; + cpi->oxcf.optimal_buffer_level = 60000; + cpi->oxcf.maximum_buffer_size = 240000; + cpi->oxcf.starting_buffer_level_in_ms = 60000; + cpi->oxcf.optimal_buffer_level_in_ms = 60000; + cpi->oxcf.maximum_buffer_size_in_ms = 240000; + } + + raw_target_rate = ((int64_t)cpi->oxcf.Width * cpi->oxcf.Height * 8 * 3 * + cpi->framerate / 1000.0); + if (cpi->oxcf.target_bandwidth > raw_target_rate) + cpi->oxcf.target_bandwidth = (unsigned int)raw_target_rate; + /* Convert target bandwidth from Kbit/s to Bit/s */ + cpi->oxcf.target_bandwidth *= 1000; + + cpi->oxcf.starting_buffer_level = rescale( + (int)cpi->oxcf.starting_buffer_level, cpi->oxcf.target_bandwidth, 1000); + + /* Set or reset optimal and maximum buffer levels. */ + if (cpi->oxcf.optimal_buffer_level == 0) { + cpi->oxcf.optimal_buffer_level = cpi->oxcf.target_bandwidth / 8; + } else { + cpi->oxcf.optimal_buffer_level = rescale( + (int)cpi->oxcf.optimal_buffer_level, cpi->oxcf.target_bandwidth, 1000); + } + + if (cpi->oxcf.maximum_buffer_size == 0) { + cpi->oxcf.maximum_buffer_size = cpi->oxcf.target_bandwidth / 8; + } else { + cpi->oxcf.maximum_buffer_size = rescale((int)cpi->oxcf.maximum_buffer_size, + cpi->oxcf.target_bandwidth, 1000); + } + // Under a configuration change, where maximum_buffer_size may change, + // keep buffer level clipped to the maximum allowed buffer size. + if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size) { + cpi->bits_off_target = cpi->oxcf.maximum_buffer_size; + cpi->buffer_level = cpi->bits_off_target; + } + + /* Set up frame rate and related parameters rate control values. */ + vp8_new_framerate(cpi, cpi->framerate); + + /* Set absolute upper and lower quality limits */ + cpi->worst_quality = cpi->oxcf.worst_allowed_q; + cpi->best_quality = cpi->oxcf.best_allowed_q; + + /* active values should only be modified if out of new range */ + if (cpi->active_worst_quality > cpi->oxcf.worst_allowed_q) { + cpi->active_worst_quality = cpi->oxcf.worst_allowed_q; + } + /* less likely */ + else if (cpi->active_worst_quality < cpi->oxcf.best_allowed_q) { + cpi->active_worst_quality = cpi->oxcf.best_allowed_q; + } + if (cpi->active_best_quality < cpi->oxcf.best_allowed_q) { + cpi->active_best_quality = cpi->oxcf.best_allowed_q; + } + /* less likely */ + else if (cpi->active_best_quality > cpi->oxcf.worst_allowed_q) { + cpi->active_best_quality = cpi->oxcf.worst_allowed_q; + } + + cpi->buffered_mode = cpi->oxcf.optimal_buffer_level > 0; + + cpi->cq_target_quality = cpi->oxcf.cq_level; + + /* Only allow dropped frames in buffered mode */ + cpi->drop_frames_allowed = cpi->oxcf.allow_df && cpi->buffered_mode; + + cpi->target_bandwidth = cpi->oxcf.target_bandwidth; + + // Check if the number of temporal layers has changed, and if so reset the + // pattern counter and set/initialize the temporal layer context for the + // new layer configuration. + if (cpi->oxcf.number_of_layers != prev_number_of_layers) { + // If the number of temporal layers are changed we must start at the + // base of the pattern cycle, so set the layer id to 0 and reset + // the temporal pattern counter. + if (cpi->temporal_layer_id > 0) { + cpi->temporal_layer_id = 0; + } + cpi->temporal_pattern_counter = 0; + vp8_reset_temporal_layer_change(cpi, oxcf, prev_number_of_layers); + } + + if (!cpi->initial_width) { + cpi->initial_width = cpi->oxcf.Width; + cpi->initial_height = cpi->oxcf.Height; + } + + cm->Width = cpi->oxcf.Width; + cm->Height = cpi->oxcf.Height; + assert(cm->Width <= cpi->initial_width); + assert(cm->Height <= cpi->initial_height); + + /* TODO(jkoleszar): if an internal spatial resampling is active, + * and we downsize the input image, maybe we should clear the + * internal scale immediately rather than waiting for it to + * correct. + */ + + /* VP8 sharpness level mapping 0-7 (vs 0-10 in general VPx dialogs) */ + if (cpi->oxcf.Sharpness > 7) cpi->oxcf.Sharpness = 7; + + cm->sharpness_level = cpi->oxcf.Sharpness; + + if (cm->horiz_scale != VP8E_NORMAL || cm->vert_scale != VP8E_NORMAL) { + int hr, hs, vr, vs; + + Scale2Ratio(cm->horiz_scale, &hr, &hs); + Scale2Ratio(cm->vert_scale, &vr, &vs); + + /* always go to the next whole number */ + cm->Width = (hs - 1 + cpi->oxcf.Width * hr) / hs; + cm->Height = (vs - 1 + cpi->oxcf.Height * vr) / vs; + } + + if (last_w != cpi->oxcf.Width || last_h != cpi->oxcf.Height) { + cpi->force_next_frame_intra = 1; + } + + if (((cm->Width + 15) & ~15) != cm->yv12_fb[cm->lst_fb_idx].y_width || + ((cm->Height + 15) & ~15) != cm->yv12_fb[cm->lst_fb_idx].y_height || + cm->yv12_fb[cm->lst_fb_idx].y_width == 0) { + dealloc_raw_frame_buffers(cpi); + alloc_raw_frame_buffers(cpi); + vp8_alloc_compressor_data(cpi); + } + + if (cpi->oxcf.fixed_q >= 0) { + cpi->last_q[0] = cpi->oxcf.fixed_q; + cpi->last_q[1] = cpi->oxcf.fixed_q; + } + + cpi->Speed = cpi->oxcf.cpu_used; + + /* force to allowlag to 0 if lag_in_frames is 0; */ + if (cpi->oxcf.lag_in_frames == 0) { + cpi->oxcf.allow_lag = 0; + } + /* Limit on lag buffers as these are not currently dynamically allocated */ + else if (cpi->oxcf.lag_in_frames > MAX_LAG_BUFFERS) { + cpi->oxcf.lag_in_frames = MAX_LAG_BUFFERS; + } + + /* YX Temp */ + cpi->alt_ref_source = NULL; + cpi->is_src_frame_alt_ref = 0; + +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity) { + if (!cpi->denoiser.yv12_mc_running_avg.buffer_alloc) { + int width = (cpi->oxcf.Width + 15) & ~15; + int height = (cpi->oxcf.Height + 15) & ~15; + if (vp8_denoiser_allocate(&cpi->denoiser, width, height, cm->mb_rows, + cm->mb_cols, cpi->oxcf.noise_sensitivity)) { + vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, + "Failed to allocate denoiser"); + } + } + } +#endif + +#if 0 + /* Experimental RD Code */ + cpi->frame_distortion = 0; + cpi->last_frame_distortion = 0; +#endif +} + +#ifndef M_LOG2_E +#define M_LOG2_E 0.693147180559945309417 +#endif +#define log2f(x) (log(x) / (float)M_LOG2_E) + +static void cal_mvsadcosts(int *mvsadcost[2]) { + int i = 1; + + mvsadcost[0][0] = 300; + mvsadcost[1][0] = 300; + + do { + double z = 256 * (2 * (log2f(8 * i) + .6)); + mvsadcost[0][i] = (int)z; + mvsadcost[1][i] = (int)z; + mvsadcost[0][-i] = (int)z; + mvsadcost[1][-i] = (int)z; + } while (++i <= mvfp_max); +} + +struct VP8_COMP *vp8_create_compressor(const VP8_CONFIG *oxcf) { + int i; + + VP8_COMP *cpi; + VP8_COMMON *cm; + + cpi = vpx_memalign(32, sizeof(VP8_COMP)); + /* Check that the CPI instance is valid */ + if (!cpi) return 0; + + cm = &cpi->common; + + memset(cpi, 0, sizeof(VP8_COMP)); + + if (setjmp(cm->error.jmp)) { + cpi->common.error.setjmp = 0; + vp8_remove_compressor(&cpi); + return 0; + } + + cpi->common.error.setjmp = 1; + + CHECK_MEM_ERROR( + &cpi->common.error, cpi->mb.ss, + vpx_calloc(sizeof(search_site), (MAX_MVSEARCH_STEPS * 8) + 1)); + + vp8_create_common(&cpi->common); + + init_config(cpi, oxcf); + + memcpy(cpi->base_skip_false_prob, vp8cx_base_skip_false_prob, + sizeof(vp8cx_base_skip_false_prob)); + cpi->common.current_video_frame = 0; + cpi->temporal_pattern_counter = 0; + cpi->temporal_layer_id = -1; + cpi->kf_overspend_bits = 0; + cpi->kf_bitrate_adjustment = 0; + cpi->frames_till_gf_update_due = 0; + cpi->gf_overspend_bits = 0; + cpi->non_gf_bitrate_adjustment = 0; + cpi->prob_last_coded = 128; + cpi->prob_gf_coded = 128; + cpi->prob_intra_coded = 63; + + /* Prime the recent reference frame usage counters. + * Hereafter they will be maintained as a sort of moving average + */ + cpi->recent_ref_frame_usage[INTRA_FRAME] = 1; + cpi->recent_ref_frame_usage[LAST_FRAME] = 1; + cpi->recent_ref_frame_usage[GOLDEN_FRAME] = 1; + cpi->recent_ref_frame_usage[ALTREF_FRAME] = 1; + + /* Set reference frame sign bias for ALTREF frame to 1 (for now) */ + cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 1; + + cpi->twopass.gf_decay_rate = 0; + cpi->baseline_gf_interval = DEFAULT_GF_INTERVAL; + + cpi->gold_is_last = 0; + cpi->alt_is_last = 0; + cpi->gold_is_alt = 0; + + cpi->active_map_enabled = 0; + + cpi->use_roi_static_threshold = 0; + +#if 0 + /* Experimental code for lagged and one pass */ + /* Initialise one_pass GF frames stats */ + /* Update stats used for GF selection */ + if (cpi->pass == 0) + { + cpi->one_pass_frame_index = 0; + + for (i = 0; i < MAX_LAG_BUFFERS; ++i) + { + cpi->one_pass_frame_stats[i].frames_so_far = 0; + cpi->one_pass_frame_stats[i].frame_intra_error = 0.0; + cpi->one_pass_frame_stats[i].frame_coded_error = 0.0; + cpi->one_pass_frame_stats[i].frame_pcnt_inter = 0.0; + cpi->one_pass_frame_stats[i].frame_pcnt_motion = 0.0; + cpi->one_pass_frame_stats[i].frame_mvr = 0.0; + cpi->one_pass_frame_stats[i].frame_mvr_abs = 0.0; + cpi->one_pass_frame_stats[i].frame_mvc = 0.0; + cpi->one_pass_frame_stats[i].frame_mvc_abs = 0.0; + } + } +#endif + + cpi->mse_source_denoised = 0; + + /* Should we use the cyclic refresh method. + * Currently there is no external control for this. + * Enable it for error_resilient_mode, or for 1 pass CBR mode. + */ + cpi->cyclic_refresh_mode_enabled = + (cpi->oxcf.error_resilient_mode || + (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER && + cpi->oxcf.Mode <= 2)); + cpi->cyclic_refresh_mode_max_mbs_perframe = + (cpi->common.mb_rows * cpi->common.mb_cols) / 7; + if (cpi->oxcf.number_of_layers == 1) { + cpi->cyclic_refresh_mode_max_mbs_perframe = + (cpi->common.mb_rows * cpi->common.mb_cols) / 20; + } else if (cpi->oxcf.number_of_layers == 2) { + cpi->cyclic_refresh_mode_max_mbs_perframe = + (cpi->common.mb_rows * cpi->common.mb_cols) / 10; + } + cpi->cyclic_refresh_mode_index = 0; + cpi->cyclic_refresh_q = 32; + + // GF behavior for 1 pass CBR, used when error_resilience is off. + cpi->gf_update_onepass_cbr = 0; + cpi->gf_noboost_onepass_cbr = 0; + if (!cpi->oxcf.error_resilient_mode && + cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER && cpi->oxcf.Mode <= 2) { + cpi->gf_update_onepass_cbr = 1; + cpi->gf_noboost_onepass_cbr = 1; + cpi->gf_interval_onepass_cbr = + cpi->cyclic_refresh_mode_max_mbs_perframe > 0 + ? (2 * (cpi->common.mb_rows * cpi->common.mb_cols) / + cpi->cyclic_refresh_mode_max_mbs_perframe) + : 10; + cpi->gf_interval_onepass_cbr = + VPXMIN(40, VPXMAX(6, cpi->gf_interval_onepass_cbr)); + cpi->baseline_gf_interval = cpi->gf_interval_onepass_cbr; + } + + if (cpi->cyclic_refresh_mode_enabled) { + CHECK_MEM_ERROR(&cpi->common.error, cpi->cyclic_refresh_map, + vpx_calloc((cpi->common.mb_rows * cpi->common.mb_cols), 1)); + } else { + cpi->cyclic_refresh_map = (signed char *)NULL; + } + + CHECK_MEM_ERROR( + &cpi->common.error, cpi->skin_map, + vpx_calloc(cm->mb_rows * cm->mb_cols, sizeof(cpi->skin_map[0]))); + + CHECK_MEM_ERROR(&cpi->common.error, cpi->consec_zero_last, + vpx_calloc(cm->mb_rows * cm->mb_cols, 1)); + CHECK_MEM_ERROR(&cpi->common.error, cpi->consec_zero_last_mvbias, + vpx_calloc((cpi->common.mb_rows * cpi->common.mb_cols), 1)); + + /*Initialize the feed-forward activity masking.*/ + cpi->activity_avg = 90 << 12; + + /* Give a sensible default for the first frame. */ + cpi->frames_since_key = 8; + cpi->key_frame_frequency = cpi->oxcf.key_freq; + cpi->this_key_frame_forced = 0; + cpi->next_key_frame_forced = 0; + + cpi->source_alt_ref_pending = 0; + cpi->source_alt_ref_active = 0; + cpi->common.refresh_alt_ref_frame = 0; + + cpi->force_maxqp = 0; + cpi->frames_since_last_drop_overshoot = 0; + cpi->rt_always_update_correction_factor = 0; + cpi->rt_drop_recode_on_overshoot = 1; + + cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS; +#if CONFIG_INTERNAL_STATS + cpi->b_calculate_ssimg = 0; + + cpi->count = 0; + cpi->bytes = 0; + + if (cpi->b_calculate_psnr) { + cpi->total_sq_error = 0.0; + cpi->total_sq_error2 = 0.0; + cpi->total_y = 0.0; + cpi->total_u = 0.0; + cpi->total_v = 0.0; + cpi->total = 0.0; + cpi->totalp_y = 0.0; + cpi->totalp_u = 0.0; + cpi->totalp_v = 0.0; + cpi->totalp = 0.0; + cpi->tot_recode_hits = 0; + cpi->summed_quality = 0; + cpi->summed_weights = 0; + } + +#endif + + cpi->first_time_stamp_ever = 0x7FFFFFFF; + + cpi->frames_till_gf_update_due = 0; + cpi->key_frame_count = 1; + + cpi->ni_av_qi = cpi->oxcf.worst_allowed_q; + cpi->ni_tot_qi = 0; + cpi->ni_frames = 0; + cpi->total_byte_count = 0; + + cpi->drop_frame = 0; + + cpi->rate_correction_factor = 1.0; + cpi->key_frame_rate_correction_factor = 1.0; + cpi->gf_rate_correction_factor = 1.0; + cpi->twopass.est_max_qcorrection_factor = 1.0; + + for (i = 0; i < KEY_FRAME_CONTEXT; ++i) { + cpi->prior_key_frame_distance[i] = (int)cpi->output_framerate; + } + +#ifdef OUTPUT_YUV_SRC + yuv_file = fopen("bd.yuv", "ab"); +#endif +#ifdef OUTPUT_YUV_DENOISED + yuv_denoised_file = fopen("denoised.yuv", "ab"); +#endif +#ifdef OUTPUT_YUV_SKINMAP + yuv_skinmap_file = fopen("skinmap.yuv", "wb"); +#endif + +#if 0 + framepsnr = fopen("framepsnr.stt", "a"); + kf_list = fopen("kf_list.stt", "w"); +#endif + + cpi->output_pkt_list = oxcf->output_pkt_list; + +#if !CONFIG_REALTIME_ONLY + + if (cpi->pass == 1) { + vp8_init_first_pass(cpi); + } else if (cpi->pass == 2) { + size_t packet_sz = sizeof(FIRSTPASS_STATS); + int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz); + + cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf; + cpi->twopass.stats_in = cpi->twopass.stats_in_start; + cpi->twopass.stats_in_end = + (void *)((char *)cpi->twopass.stats_in + (packets - 1) * packet_sz); + vp8_init_second_pass(cpi); + } + +#endif + + if (cpi->compressor_speed == 2) { + cpi->avg_encode_time = 0; + cpi->avg_pick_mode_time = 0; + } + + vp8_set_speed_features(cpi); + + /* Set starting values of RD threshold multipliers (128 = *1) */ + for (i = 0; i < MAX_MODES; ++i) { + cpi->mb.rd_thresh_mult[i] = 128; + } + +#if CONFIG_MULTITHREAD + if (vp8cx_create_encoder_threads(cpi)) { + vp8_remove_compressor(&cpi); + return 0; + } +#endif + + cpi->fn_ptr[BLOCK_16X16].sdf = vpx_sad16x16; + cpi->fn_ptr[BLOCK_16X16].vf = vpx_variance16x16; + cpi->fn_ptr[BLOCK_16X16].svf = vpx_sub_pixel_variance16x16; + cpi->fn_ptr[BLOCK_16X16].sdx4df = vpx_sad16x16x4d; + + cpi->fn_ptr[BLOCK_16X8].sdf = vpx_sad16x8; + cpi->fn_ptr[BLOCK_16X8].vf = vpx_variance16x8; + cpi->fn_ptr[BLOCK_16X8].svf = vpx_sub_pixel_variance16x8; + cpi->fn_ptr[BLOCK_16X8].sdx4df = vpx_sad16x8x4d; + + cpi->fn_ptr[BLOCK_8X16].sdf = vpx_sad8x16; + cpi->fn_ptr[BLOCK_8X16].vf = vpx_variance8x16; + cpi->fn_ptr[BLOCK_8X16].svf = vpx_sub_pixel_variance8x16; + cpi->fn_ptr[BLOCK_8X16].sdx4df = vpx_sad8x16x4d; + + cpi->fn_ptr[BLOCK_8X8].sdf = vpx_sad8x8; + cpi->fn_ptr[BLOCK_8X8].vf = vpx_variance8x8; + cpi->fn_ptr[BLOCK_8X8].svf = vpx_sub_pixel_variance8x8; + cpi->fn_ptr[BLOCK_8X8].sdx4df = vpx_sad8x8x4d; + + cpi->fn_ptr[BLOCK_4X4].sdf = vpx_sad4x4; + cpi->fn_ptr[BLOCK_4X4].vf = vpx_variance4x4; + cpi->fn_ptr[BLOCK_4X4].svf = vpx_sub_pixel_variance4x4; + cpi->fn_ptr[BLOCK_4X4].sdx4df = vpx_sad4x4x4d; + +#if VPX_ARCH_X86 || VPX_ARCH_X86_64 + cpi->fn_ptr[BLOCK_16X16].copymem = vp8_copy32xn; + cpi->fn_ptr[BLOCK_16X8].copymem = vp8_copy32xn; + cpi->fn_ptr[BLOCK_8X16].copymem = vp8_copy32xn; + cpi->fn_ptr[BLOCK_8X8].copymem = vp8_copy32xn; + cpi->fn_ptr[BLOCK_4X4].copymem = vp8_copy32xn; +#endif + + cpi->diamond_search_sad = vp8_diamond_search_sad; + cpi->refining_search_sad = vp8_refining_search_sad; + + /* make sure frame 1 is okay */ + cpi->mb.error_bins[0] = cpi->common.MBs; + + /* vp8cx_init_quantizer() is first called here. Add check in + * vp8cx_frame_init_quantizer() so that vp8cx_init_quantizer is only + * called later when needed. This will avoid unnecessary calls of + * vp8cx_init_quantizer() for every frame. + */ + vp8cx_init_quantizer(cpi); + + vp8_loop_filter_init(cm); + + cpi->common.error.setjmp = 0; + +#if CONFIG_MULTI_RES_ENCODING + + /* Calculate # of MBs in a row in lower-resolution level image. */ + if (cpi->oxcf.mr_encoder_id > 0) vp8_cal_low_res_mb_cols(cpi); + +#endif + + /* setup RD costs to MACROBLOCK struct */ + + cpi->mb.mvcost[0] = &cpi->rd_costs.mvcosts[0][mv_max + 1]; + cpi->mb.mvcost[1] = &cpi->rd_costs.mvcosts[1][mv_max + 1]; + cpi->mb.mvsadcost[0] = &cpi->rd_costs.mvsadcosts[0][mvfp_max + 1]; + cpi->mb.mvsadcost[1] = &cpi->rd_costs.mvsadcosts[1][mvfp_max + 1]; + + cal_mvsadcosts(cpi->mb.mvsadcost); + + cpi->mb.mbmode_cost = cpi->rd_costs.mbmode_cost; + cpi->mb.intra_uv_mode_cost = cpi->rd_costs.intra_uv_mode_cost; + cpi->mb.bmode_costs = cpi->rd_costs.bmode_costs; + cpi->mb.inter_bmode_costs = cpi->rd_costs.inter_bmode_costs; + cpi->mb.token_costs = cpi->rd_costs.token_costs; + + /* setup block ptrs & offsets */ + vp8_setup_block_ptrs(&cpi->mb); + vp8_setup_block_dptrs(&cpi->mb.e_mbd); + + return cpi; +} + +void vp8_remove_compressor(VP8_COMP **comp) { + VP8_COMP *cpi = *comp; + + if (!cpi) return; + + if (cpi && (cpi->common.current_video_frame > 0)) { +#if !CONFIG_REALTIME_ONLY + + if (cpi->pass == 2) { + vp8_end_second_pass(cpi); + } + +#endif + +#if CONFIG_INTERNAL_STATS + + if (cpi->pass != 1) { + FILE *f = fopen("opsnr.stt", "a"); + double time_encoded = + (cpi->last_end_time_stamp_seen - cpi->first_time_stamp_ever) / + 10000000.000; + + if (cpi->b_calculate_psnr) { + if (cpi->oxcf.number_of_layers > 1) { + int i; + + fprintf(f, + "Layer\tBitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\t" + "GLPsnrP\tVPXSSIM\n"); + for (i = 0; i < (int)cpi->oxcf.number_of_layers; ++i) { + double dr = + (double)cpi->bytes_in_layer[i] * 8.0 / 1000.0 / time_encoded; + double samples = 3.0 / 2 * cpi->frames_in_layer[i] * + cpi->common.Width * cpi->common.Height; + double total_psnr = + vpx_sse_to_psnr(samples, 255.0, cpi->total_error2[i]); + double total_psnr2 = + vpx_sse_to_psnr(samples, 255.0, cpi->total_error2_p[i]); + double total_ssim = + 100 * pow(cpi->sum_ssim[i] / cpi->sum_weights[i], 8.0); + + fprintf(f, + "%5d\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t" + "%7.3f\t%7.3f\n", + i, dr, cpi->sum_psnr[i] / cpi->frames_in_layer[i], + total_psnr, cpi->sum_psnr_p[i] / cpi->frames_in_layer[i], + total_psnr2, total_ssim); + } + } else { + double dr = (double)cpi->bytes * 8.0 / 1000.0 / time_encoded; + double samples = + 3.0 / 2 * cpi->count * cpi->common.Width * cpi->common.Height; + double total_psnr = + vpx_sse_to_psnr(samples, 255.0, cpi->total_sq_error); + double total_psnr2 = + vpx_sse_to_psnr(samples, 255.0, cpi->total_sq_error2); + double total_ssim = + 100 * pow(cpi->summed_quality / cpi->summed_weights, 8.0); + + fprintf(f, + "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\t" + "GLPsnrP\tVPXSSIM\n"); + fprintf(f, + "%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t" + "%7.3f\n", + dr, cpi->total / cpi->count, total_psnr, + cpi->totalp / cpi->count, total_psnr2, total_ssim); + } + } + fclose(f); +#if 0 + f = fopen("qskip.stt", "a"); + fprintf(f, "minq:%d -maxq:%d skiptrue:skipfalse = %d:%d\n", cpi->oxcf.best_allowed_q, cpi->oxcf.worst_allowed_q, skiptruecount, skipfalsecount); + fclose(f); +#endif + } + +#endif + +#ifdef SPEEDSTATS + + if (cpi->compressor_speed == 2) { + int i; + FILE *f = fopen("cxspeed.stt", "a"); + cnt_pm /= cpi->common.MBs; + + for (i = 0; i < 16; ++i) fprintf(f, "%5d", frames_at_speed[i]); + + fprintf(f, "\n"); + fclose(f); + } + +#endif + +#ifdef MODE_STATS + { + extern int count_mb_seg[4]; + FILE *f = fopen("modes.stt", "a"); + double dr = (double)cpi->framerate * (double)bytes * (double)8 / + (double)count / (double)1000; + fprintf(f, "intra_mode in Intra Frames:\n"); + fprintf(f, "Y: %8d, %8d, %8d, %8d, %8d\n", y_modes[0], y_modes[1], + y_modes[2], y_modes[3], y_modes[4]); + fprintf(f, "UV:%8d, %8d, %8d, %8d\n", uv_modes[0], uv_modes[1], + uv_modes[2], uv_modes[3]); + fprintf(f, "B: "); + { + int i; + + for (i = 0; i < 10; ++i) fprintf(f, "%8d, ", b_modes[i]); + + fprintf(f, "\n"); + } + + fprintf(f, "Modes in Inter Frames:\n"); + fprintf(f, "Y: %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d, %8d\n", + inter_y_modes[0], inter_y_modes[1], inter_y_modes[2], + inter_y_modes[3], inter_y_modes[4], inter_y_modes[5], + inter_y_modes[6], inter_y_modes[7], inter_y_modes[8], + inter_y_modes[9]); + fprintf(f, "UV:%8d, %8d, %8d, %8d\n", inter_uv_modes[0], + inter_uv_modes[1], inter_uv_modes[2], inter_uv_modes[3]); + fprintf(f, "B: "); + { + int i; + + for (i = 0; i < 15; ++i) fprintf(f, "%8d, ", inter_b_modes[i]); + + fprintf(f, "\n"); + } + fprintf(f, "P:%8d, %8d, %8d, %8d\n", count_mb_seg[0], count_mb_seg[1], + count_mb_seg[2], count_mb_seg[3]); + fprintf(f, "PB:%8d, %8d, %8d, %8d\n", inter_b_modes[LEFT4X4], + inter_b_modes[ABOVE4X4], inter_b_modes[ZERO4X4], + inter_b_modes[NEW4X4]); + + fclose(f); + } +#endif + +#if defined(SECTIONBITS_OUTPUT) + + if (0) { + int i; + FILE *f = fopen("tokenbits.stt", "a"); + + for (i = 0; i < 28; ++i) fprintf(f, "%8d", (int)(Sectionbits[i] / 256)); + + fprintf(f, "\n"); + fclose(f); + } + +#endif + +#if 0 + { + printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000); + printf("\n_frames receive_data encod_mb_row compress_frame Total\n"); + printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame, cpi->time_receive_data / 1000, cpi->time_encode_mb_row / 1000, cpi->time_compress_data / 1000, (cpi->time_receive_data + cpi->time_compress_data) / 1000); + } +#endif + } + +#if CONFIG_MULTITHREAD + vp8cx_remove_encoder_threads(cpi); +#endif + +#if CONFIG_TEMPORAL_DENOISING + vp8_denoiser_free(&cpi->denoiser); +#endif + dealloc_compressor_data(cpi); + vpx_free(cpi->mb.ss); + vpx_free(cpi->tok); + vpx_free(cpi->skin_map); + vpx_free(cpi->cyclic_refresh_map); + vpx_free(cpi->consec_zero_last); + vpx_free(cpi->consec_zero_last_mvbias); + + vp8_remove_common(&cpi->common); + vpx_free(cpi); + *comp = 0; + +#ifdef OUTPUT_YUV_SRC + fclose(yuv_file); +#endif +#ifdef OUTPUT_YUV_DENOISED + fclose(yuv_denoised_file); +#endif +#ifdef OUTPUT_YUV_SKINMAP + fclose(yuv_skinmap_file); +#endif + +#if 0 + + if (keyfile) + fclose(keyfile); + + if (framepsnr) + fclose(framepsnr); + + if (kf_list) + fclose(kf_list); + +#endif +} + +static uint64_t calc_plane_error(unsigned char *orig, int orig_stride, + unsigned char *recon, int recon_stride, + unsigned int cols, unsigned int rows) { + unsigned int row, col; + uint64_t total_sse = 0; + int diff; + + for (row = 0; row + 16 <= rows; row += 16) { + for (col = 0; col + 16 <= cols; col += 16) { + unsigned int sse; + + vpx_mse16x16(orig + col, orig_stride, recon + col, recon_stride, &sse); + total_sse += sse; + } + + /* Handle odd-sized width */ + if (col < cols) { + unsigned int border_row, border_col; + unsigned char *border_orig = orig; + unsigned char *border_recon = recon; + + for (border_row = 0; border_row < 16; ++border_row) { + for (border_col = col; border_col < cols; ++border_col) { + diff = border_orig[border_col] - border_recon[border_col]; + total_sse += diff * diff; + } + + border_orig += orig_stride; + border_recon += recon_stride; + } + } + + orig += orig_stride * 16; + recon += recon_stride * 16; + } + + /* Handle odd-sized height */ + for (; row < rows; ++row) { + for (col = 0; col < cols; ++col) { + diff = orig[col] - recon[col]; + total_sse += diff * diff; + } + + orig += orig_stride; + recon += recon_stride; + } + + vpx_clear_system_state(); + return total_sse; +} + +static void generate_psnr_packet(VP8_COMP *cpi) { + YV12_BUFFER_CONFIG *orig = cpi->Source; + YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show; + struct vpx_codec_cx_pkt pkt; + uint64_t sse; + int i; + unsigned int width = cpi->common.Width; + unsigned int height = cpi->common.Height; + + pkt.kind = VPX_CODEC_PSNR_PKT; + sse = calc_plane_error(orig->y_buffer, orig->y_stride, recon->y_buffer, + recon->y_stride, width, height); + pkt.data.psnr.sse[0] = sse; + pkt.data.psnr.sse[1] = sse; + pkt.data.psnr.samples[0] = width * height; + pkt.data.psnr.samples[1] = width * height; + + width = (width + 1) / 2; + height = (height + 1) / 2; + + sse = calc_plane_error(orig->u_buffer, orig->uv_stride, recon->u_buffer, + recon->uv_stride, width, height); + pkt.data.psnr.sse[0] += sse; + pkt.data.psnr.sse[2] = sse; + pkt.data.psnr.samples[0] += width * height; + pkt.data.psnr.samples[2] = width * height; + + sse = calc_plane_error(orig->v_buffer, orig->uv_stride, recon->v_buffer, + recon->uv_stride, width, height); + pkt.data.psnr.sse[0] += sse; + pkt.data.psnr.sse[3] = sse; + pkt.data.psnr.samples[0] += width * height; + pkt.data.psnr.samples[3] = width * height; + + for (i = 0; i < 4; ++i) { + pkt.data.psnr.psnr[i] = vpx_sse_to_psnr(pkt.data.psnr.samples[i], 255.0, + (double)(pkt.data.psnr.sse[i])); + } + + vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt); +} + +int vp8_use_as_reference(VP8_COMP *cpi, int ref_frame_flags) { + if (ref_frame_flags > 7) return -1; + + cpi->ref_frame_flags = ref_frame_flags; + return 0; +} +int vp8_update_reference(VP8_COMP *cpi, int ref_frame_flags) { + if (ref_frame_flags > 7) return -1; + + cpi->common.refresh_golden_frame = 0; + cpi->common.refresh_alt_ref_frame = 0; + cpi->common.refresh_last_frame = 0; + + if (ref_frame_flags & VP8_LAST_FRAME) cpi->common.refresh_last_frame = 1; + + if (ref_frame_flags & VP8_GOLD_FRAME) cpi->common.refresh_golden_frame = 1; + + if (ref_frame_flags & VP8_ALTR_FRAME) cpi->common.refresh_alt_ref_frame = 1; + + cpi->ext_refresh_frame_flags_pending = 1; + return 0; +} + +int vp8_get_reference(VP8_COMP *cpi, enum vpx_ref_frame_type ref_frame_flag, + YV12_BUFFER_CONFIG *sd) { + VP8_COMMON *cm = &cpi->common; + int ref_fb_idx; + + if (ref_frame_flag == VP8_LAST_FRAME) { + ref_fb_idx = cm->lst_fb_idx; + } else if (ref_frame_flag == VP8_GOLD_FRAME) { + ref_fb_idx = cm->gld_fb_idx; + } else if (ref_frame_flag == VP8_ALTR_FRAME) { + ref_fb_idx = cm->alt_fb_idx; + } else { + return -1; + } + + vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd); + + return 0; +} +int vp8_set_reference(VP8_COMP *cpi, enum vpx_ref_frame_type ref_frame_flag, + YV12_BUFFER_CONFIG *sd) { + VP8_COMMON *cm = &cpi->common; + + int ref_fb_idx; + + if (ref_frame_flag == VP8_LAST_FRAME) { + ref_fb_idx = cm->lst_fb_idx; + } else if (ref_frame_flag == VP8_GOLD_FRAME) { + ref_fb_idx = cm->gld_fb_idx; + } else if (ref_frame_flag == VP8_ALTR_FRAME) { + ref_fb_idx = cm->alt_fb_idx; + } else { + return -1; + } + + vp8_yv12_copy_frame(sd, &cm->yv12_fb[ref_fb_idx]); + + return 0; +} +int vp8_update_entropy(VP8_COMP *cpi, int update) { + VP8_COMMON *cm = &cpi->common; + cm->refresh_entropy_probs = update; + + return 0; +} + +static void scale_and_extend_source(YV12_BUFFER_CONFIG *sd, VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + /* are we resizing the image */ + if (cm->horiz_scale != 0 || cm->vert_scale != 0) { +#if CONFIG_SPATIAL_RESAMPLING + int hr, hs, vr, vs; + int tmp_height; + + if (cm->vert_scale == 3) { + tmp_height = 9; + } else { + tmp_height = 11; + } + + Scale2Ratio(cm->horiz_scale, &hr, &hs); + Scale2Ratio(cm->vert_scale, &vr, &vs); + + vpx_scale_frame(sd, &cpi->scaled_source, cm->temp_scale_frame.y_buffer, + tmp_height, hs, hr, vs, vr, 0); + + vp8_yv12_extend_frame_borders(&cpi->scaled_source); + cpi->Source = &cpi->scaled_source; +#endif + } else { + cpi->Source = sd; + } +} + +static int resize_key_frame(VP8_COMP *cpi) { +#if CONFIG_SPATIAL_RESAMPLING + VP8_COMMON *cm = &cpi->common; + + /* Do we need to apply resampling for one pass cbr. + * In one pass this is more limited than in two pass cbr. + * The test and any change is only made once per key frame sequence. + */ + if (cpi->oxcf.allow_spatial_resampling && + (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER)) { + int hr, hs, vr, vs; + int new_width, new_height; + + /* If we are below the resample DOWN watermark then scale down a + * notch. + */ + if (cpi->buffer_level < (cpi->oxcf.resample_down_water_mark * + cpi->oxcf.optimal_buffer_level / 100)) { + cm->horiz_scale = + (cm->horiz_scale < VP8E_ONETWO) ? cm->horiz_scale + 1 : VP8E_ONETWO; + cm->vert_scale = + (cm->vert_scale < VP8E_ONETWO) ? cm->vert_scale + 1 : VP8E_ONETWO; + } + /* Should we now start scaling back up */ + else if (cpi->buffer_level > (cpi->oxcf.resample_up_water_mark * + cpi->oxcf.optimal_buffer_level / 100)) { + cm->horiz_scale = + (cm->horiz_scale > VP8E_NORMAL) ? cm->horiz_scale - 1 : VP8E_NORMAL; + cm->vert_scale = + (cm->vert_scale > VP8E_NORMAL) ? cm->vert_scale - 1 : VP8E_NORMAL; + } + + /* Get the new height and width */ + Scale2Ratio(cm->horiz_scale, &hr, &hs); + Scale2Ratio(cm->vert_scale, &vr, &vs); + new_width = ((hs - 1) + (cpi->oxcf.Width * hr)) / hs; + new_height = ((vs - 1) + (cpi->oxcf.Height * vr)) / vs; + + /* If the image size has changed we need to reallocate the buffers + * and resample the source image + */ + if ((cm->Width != new_width) || (cm->Height != new_height)) { + cm->Width = new_width; + cm->Height = new_height; + vp8_alloc_compressor_data(cpi); + scale_and_extend_source(cpi->un_scaled_source, cpi); + return 1; + } + } + +#endif + return 0; +} + +static void update_alt_ref_frame_stats(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + /* Select an interval before next GF or altref */ + if (!cpi->auto_gold) cpi->frames_till_gf_update_due = DEFAULT_GF_INTERVAL; + + if ((cpi->pass != 2) && cpi->frames_till_gf_update_due) { + cpi->current_gf_interval = cpi->frames_till_gf_update_due; + + /* Set the bits per frame that we should try and recover in + * subsequent inter frames to account for the extra GF spend... + * note that his does not apply for GF updates that occur + * coincident with a key frame as the extra cost of key frames is + * dealt with elsewhere. + */ + cpi->gf_overspend_bits += cpi->projected_frame_size; + cpi->non_gf_bitrate_adjustment = + cpi->gf_overspend_bits / cpi->frames_till_gf_update_due; + } + + /* Update data structure that monitors level of reference to last GF */ + memset(cpi->gf_active_flags, 1, (cm->mb_rows * cm->mb_cols)); + cpi->gf_active_count = cm->mb_rows * cm->mb_cols; + + /* this frame refreshes means next frames don't unless specified by user */ + cpi->frames_since_golden = 0; + + /* Clear the alternate reference update pending flag. */ + cpi->source_alt_ref_pending = 0; + + /* Set the alternate reference frame active flag */ + cpi->source_alt_ref_active = 1; +} +static void update_golden_frame_stats(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + /* Update the Golden frame usage counts. */ + if (cm->refresh_golden_frame) { + /* Select an interval before next GF */ + if (!cpi->auto_gold) cpi->frames_till_gf_update_due = DEFAULT_GF_INTERVAL; + + if ((cpi->pass != 2) && (cpi->frames_till_gf_update_due > 0)) { + cpi->current_gf_interval = cpi->frames_till_gf_update_due; + + /* Set the bits per frame that we should try and recover in + * subsequent inter frames to account for the extra GF spend... + * note that his does not apply for GF updates that occur + * coincident with a key frame as the extra cost of key frames + * is dealt with elsewhere. + */ + if ((cm->frame_type != KEY_FRAME) && !cpi->source_alt_ref_active) { + /* Calcluate GF bits to be recovered + * Projected size - av frame bits available for inter + * frames for clip as a whole + */ + cpi->gf_overspend_bits += + (cpi->projected_frame_size - cpi->inter_frame_target); + } + + cpi->non_gf_bitrate_adjustment = + cpi->gf_overspend_bits / cpi->frames_till_gf_update_due; + } + + /* Update data structure that monitors level of reference to last GF */ + memset(cpi->gf_active_flags, 1, (cm->mb_rows * cm->mb_cols)); + cpi->gf_active_count = cm->mb_rows * cm->mb_cols; + + /* this frame refreshes means next frames don't unless specified by + * user + */ + cm->refresh_golden_frame = 0; + cpi->frames_since_golden = 0; + + cpi->recent_ref_frame_usage[INTRA_FRAME] = 1; + cpi->recent_ref_frame_usage[LAST_FRAME] = 1; + cpi->recent_ref_frame_usage[GOLDEN_FRAME] = 1; + cpi->recent_ref_frame_usage[ALTREF_FRAME] = 1; + + /* ******** Fixed Q test code only ************ */ + /* If we are going to use the ALT reference for the next group of + * frames set a flag to say so. + */ + if (cpi->oxcf.fixed_q >= 0 && cpi->oxcf.play_alternate && + !cpi->common.refresh_alt_ref_frame) { + cpi->source_alt_ref_pending = 1; + cpi->frames_till_gf_update_due = cpi->baseline_gf_interval; + } + + if (!cpi->source_alt_ref_pending) cpi->source_alt_ref_active = 0; + + /* Decrement count down till next gf */ + if (cpi->frames_till_gf_update_due > 0) cpi->frames_till_gf_update_due--; + + } else if (!cpi->common.refresh_alt_ref_frame) { + /* Decrement count down till next gf */ + if (cpi->frames_till_gf_update_due > 0) cpi->frames_till_gf_update_due--; + + if (cpi->frames_till_alt_ref_frame) cpi->frames_till_alt_ref_frame--; + + cpi->frames_since_golden++; + + if (cpi->frames_since_golden > 1) { + cpi->recent_ref_frame_usage[INTRA_FRAME] += + cpi->mb.count_mb_ref_frame_usage[INTRA_FRAME]; + cpi->recent_ref_frame_usage[LAST_FRAME] += + cpi->mb.count_mb_ref_frame_usage[LAST_FRAME]; + cpi->recent_ref_frame_usage[GOLDEN_FRAME] += + cpi->mb.count_mb_ref_frame_usage[GOLDEN_FRAME]; + cpi->recent_ref_frame_usage[ALTREF_FRAME] += + cpi->mb.count_mb_ref_frame_usage[ALTREF_FRAME]; + } + } +} + +/* This function updates the reference frame probability estimates that + * will be used during mode selection + */ +static void update_rd_ref_frame_probs(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + const int *const rfct = cpi->mb.count_mb_ref_frame_usage; + const int rf_intra = rfct[INTRA_FRAME]; + const int rf_inter = + rfct[LAST_FRAME] + rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME]; + + if (cm->frame_type == KEY_FRAME) { + cpi->prob_intra_coded = 255; + cpi->prob_last_coded = 128; + cpi->prob_gf_coded = 128; + } else if (!(rf_intra + rf_inter)) { + cpi->prob_intra_coded = 63; + cpi->prob_last_coded = 128; + cpi->prob_gf_coded = 128; + } + + /* update reference frame costs since we can do better than what we got + * last frame. + */ + if (cpi->oxcf.number_of_layers == 1) { + if (cpi->common.refresh_alt_ref_frame) { + cpi->prob_intra_coded += 40; + if (cpi->prob_intra_coded > 255) cpi->prob_intra_coded = 255; + cpi->prob_last_coded = 200; + cpi->prob_gf_coded = 1; + } else if (cpi->frames_since_golden == 0) { + cpi->prob_last_coded = 214; + } else if (cpi->frames_since_golden == 1) { + cpi->prob_last_coded = 192; + cpi->prob_gf_coded = 220; + } else if (cpi->source_alt_ref_active) { + cpi->prob_gf_coded -= 20; + + if (cpi->prob_gf_coded < 10) cpi->prob_gf_coded = 10; + } + if (!cpi->source_alt_ref_active) cpi->prob_gf_coded = 255; + } +} + +#if !CONFIG_REALTIME_ONLY +/* 1 = key, 0 = inter */ +static int decide_key_frame(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + + int code_key_frame = 0; + + cpi->kf_boost = 0; + + if (cpi->Speed > 11) return 0; + + /* Clear down mmx registers */ + vpx_clear_system_state(); + + if ((cpi->compressor_speed == 2) && (cpi->Speed >= 5) && (cpi->sf.RD == 0)) { + double change = 1.0 * + abs((int)(cpi->mb.intra_error - cpi->last_intra_error)) / + (1 + cpi->last_intra_error); + double change2 = + 1.0 * + abs((int)(cpi->mb.prediction_error - cpi->last_prediction_error)) / + (1 + cpi->last_prediction_error); + double minerror = cm->MBs * 256; + + cpi->last_intra_error = cpi->mb.intra_error; + cpi->last_prediction_error = cpi->mb.prediction_error; + + if (10 * cpi->mb.intra_error / (1 + cpi->mb.prediction_error) < 15 && + cpi->mb.prediction_error > minerror && + (change > .25 || change2 > .25)) { + /*(change > 1.4 || change < .75)&& cpi->this_frame_percent_intra > + * cpi->last_frame_percent_intra + 3*/ + return 1; + } + + return 0; + } + + /* If the following are true we might as well code a key frame */ + if (((cpi->this_frame_percent_intra == 100) && + (cpi->this_frame_percent_intra > (cpi->last_frame_percent_intra + 2))) || + ((cpi->this_frame_percent_intra > 95) && + (cpi->this_frame_percent_intra >= + (cpi->last_frame_percent_intra + 5)))) { + code_key_frame = 1; + } + /* in addition if the following are true and this is not a golden frame + * then code a key frame Note that on golden frames there often seems + * to be a pop in intra usage anyway hence this restriction is + * designed to prevent spurious key frames. The Intra pop needs to be + * investigated. + */ + else if (((cpi->this_frame_percent_intra > 60) && + (cpi->this_frame_percent_intra > + (cpi->last_frame_percent_intra * 2))) || + ((cpi->this_frame_percent_intra > 75) && + (cpi->this_frame_percent_intra > + (cpi->last_frame_percent_intra * 3 / 2))) || + ((cpi->this_frame_percent_intra > 90) && + (cpi->this_frame_percent_intra > + (cpi->last_frame_percent_intra + 10)))) { + if (!cm->refresh_golden_frame) code_key_frame = 1; + } + + return code_key_frame; +} + +static void Pass1Encode(VP8_COMP *cpi) { + vp8_set_quantizer(cpi, 26); + vp8_first_pass(cpi); +} +#endif + +#if 0 +void write_cx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame) +{ + + /* write the frame */ + FILE *yframe; + int i; + char filename[255]; + + sprintf(filename, "cx\\y%04d.raw", this_frame); + yframe = fopen(filename, "wb"); + + for (i = 0; i < frame->y_height; ++i) + fwrite(frame->y_buffer + i * frame->y_stride, frame->y_width, 1, yframe); + + fclose(yframe); + sprintf(filename, "cx\\u%04d.raw", this_frame); + yframe = fopen(filename, "wb"); + + for (i = 0; i < frame->uv_height; ++i) + fwrite(frame->u_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe); + + fclose(yframe); + sprintf(filename, "cx\\v%04d.raw", this_frame); + yframe = fopen(filename, "wb"); + + for (i = 0; i < frame->uv_height; ++i) + fwrite(frame->v_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe); + + fclose(yframe); +} +#endif + +#if !CONFIG_REALTIME_ONLY +/* Function to test for conditions that indeicate we should loop + * back and recode a frame. + */ +static int recode_loop_test(VP8_COMP *cpi, int high_limit, int low_limit, int q, + int maxq, int minq) { + int force_recode = 0; + VP8_COMMON *cm = &cpi->common; + + /* Is frame recode allowed at all + * Yes if either recode mode 1 is selected or mode two is selcted + * and the frame is a key frame. golden frame or alt_ref_frame + */ + if ((cpi->sf.recode_loop == 1) || + ((cpi->sf.recode_loop == 2) && + ((cm->frame_type == KEY_FRAME) || cm->refresh_golden_frame || + cm->refresh_alt_ref_frame))) { + /* General over and under shoot tests */ + if (((cpi->projected_frame_size > high_limit) && (q < maxq)) || + ((cpi->projected_frame_size < low_limit) && (q > minq))) { + force_recode = 1; + } + /* Special Constrained quality tests */ + else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { + /* Undershoot and below auto cq level */ + if ((q > cpi->cq_target_quality) && + (cpi->projected_frame_size < ((cpi->this_frame_target * 7) >> 3))) { + force_recode = 1; + } + /* Severe undershoot and between auto and user cq level */ + else if ((q > cpi->oxcf.cq_level) && + (cpi->projected_frame_size < cpi->min_frame_bandwidth) && + (cpi->active_best_quality > cpi->oxcf.cq_level)) { + force_recode = 1; + cpi->active_best_quality = cpi->oxcf.cq_level; + } + } + } + + return force_recode; +} +#endif // !CONFIG_REALTIME_ONLY + +static void update_reference_frames(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + YV12_BUFFER_CONFIG *yv12_fb = cm->yv12_fb; + + /* At this point the new frame has been encoded. + * If any buffer copy / swapping is signaled it should be done here. + */ + + if (cm->frame_type == KEY_FRAME) { + yv12_fb[cm->new_fb_idx].flags |= VP8_GOLD_FRAME | VP8_ALTR_FRAME; + + yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME; + yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME; + + cm->alt_fb_idx = cm->gld_fb_idx = cm->new_fb_idx; + + cpi->current_ref_frames[GOLDEN_FRAME] = cm->current_video_frame; + cpi->current_ref_frames[ALTREF_FRAME] = cm->current_video_frame; + } else { + if (cm->refresh_alt_ref_frame) { + assert(!cm->copy_buffer_to_arf); + + cm->yv12_fb[cm->new_fb_idx].flags |= VP8_ALTR_FRAME; + cm->yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME; + cm->alt_fb_idx = cm->new_fb_idx; + + cpi->current_ref_frames[ALTREF_FRAME] = cm->current_video_frame; + } else if (cm->copy_buffer_to_arf) { + assert(!(cm->copy_buffer_to_arf & ~0x3)); + + if (cm->copy_buffer_to_arf == 1) { + if (cm->alt_fb_idx != cm->lst_fb_idx) { + yv12_fb[cm->lst_fb_idx].flags |= VP8_ALTR_FRAME; + yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME; + cm->alt_fb_idx = cm->lst_fb_idx; + + cpi->current_ref_frames[ALTREF_FRAME] = + cpi->current_ref_frames[LAST_FRAME]; + } + } else { + if (cm->alt_fb_idx != cm->gld_fb_idx) { + yv12_fb[cm->gld_fb_idx].flags |= VP8_ALTR_FRAME; + yv12_fb[cm->alt_fb_idx].flags &= ~VP8_ALTR_FRAME; + cm->alt_fb_idx = cm->gld_fb_idx; + + cpi->current_ref_frames[ALTREF_FRAME] = + cpi->current_ref_frames[GOLDEN_FRAME]; + } + } + } + + if (cm->refresh_golden_frame) { + assert(!cm->copy_buffer_to_gf); + + cm->yv12_fb[cm->new_fb_idx].flags |= VP8_GOLD_FRAME; + cm->yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME; + cm->gld_fb_idx = cm->new_fb_idx; + + cpi->current_ref_frames[GOLDEN_FRAME] = cm->current_video_frame; + } else if (cm->copy_buffer_to_gf) { + assert(!(cm->copy_buffer_to_arf & ~0x3)); + + if (cm->copy_buffer_to_gf == 1) { + if (cm->gld_fb_idx != cm->lst_fb_idx) { + yv12_fb[cm->lst_fb_idx].flags |= VP8_GOLD_FRAME; + yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME; + cm->gld_fb_idx = cm->lst_fb_idx; + + cpi->current_ref_frames[GOLDEN_FRAME] = + cpi->current_ref_frames[LAST_FRAME]; + } + } else { + if (cm->alt_fb_idx != cm->gld_fb_idx) { + yv12_fb[cm->alt_fb_idx].flags |= VP8_GOLD_FRAME; + yv12_fb[cm->gld_fb_idx].flags &= ~VP8_GOLD_FRAME; + cm->gld_fb_idx = cm->alt_fb_idx; + + cpi->current_ref_frames[GOLDEN_FRAME] = + cpi->current_ref_frames[ALTREF_FRAME]; + } + } + } + } + + if (cm->refresh_last_frame) { + cm->yv12_fb[cm->new_fb_idx].flags |= VP8_LAST_FRAME; + cm->yv12_fb[cm->lst_fb_idx].flags &= ~VP8_LAST_FRAME; + cm->lst_fb_idx = cm->new_fb_idx; + + cpi->current_ref_frames[LAST_FRAME] = cm->current_video_frame; + } + +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity) { + /* we shouldn't have to keep multiple copies as we know in advance which + * buffer we should start - for now to get something up and running + * I've chosen to copy the buffers + */ + if (cm->frame_type == KEY_FRAME) { + int i; + for (i = LAST_FRAME; i < MAX_REF_FRAMES; ++i) + vp8_yv12_copy_frame(cpi->Source, &cpi->denoiser.yv12_running_avg[i]); + } else { + vp8_yv12_extend_frame_borders( + &cpi->denoiser.yv12_running_avg[INTRA_FRAME]); + + if (cm->refresh_alt_ref_frame || cm->copy_buffer_to_arf) { + vp8_yv12_copy_frame(&cpi->denoiser.yv12_running_avg[INTRA_FRAME], + &cpi->denoiser.yv12_running_avg[ALTREF_FRAME]); + } + if (cm->refresh_golden_frame || cm->copy_buffer_to_gf) { + vp8_yv12_copy_frame(&cpi->denoiser.yv12_running_avg[INTRA_FRAME], + &cpi->denoiser.yv12_running_avg[GOLDEN_FRAME]); + } + if (cm->refresh_last_frame) { + vp8_yv12_copy_frame(&cpi->denoiser.yv12_running_avg[INTRA_FRAME], + &cpi->denoiser.yv12_running_avg[LAST_FRAME]); + } + } + if (cpi->oxcf.noise_sensitivity == 4) + vp8_yv12_copy_frame(cpi->Source, &cpi->denoiser.yv12_last_source); + } +#endif +} + +static int measure_square_diff_partial(YV12_BUFFER_CONFIG *source, + YV12_BUFFER_CONFIG *dest, + VP8_COMP *cpi) { + int i, j; + int Total = 0; + int num_blocks = 0; + int skip = 2; + int min_consec_zero_last = 10; + int tot_num_blocks = (source->y_height * source->y_width) >> 8; + unsigned char *src = source->y_buffer; + unsigned char *dst = dest->y_buffer; + + /* Loop through the Y plane, every |skip| blocks along rows and colmumns, + * summing the square differences, and only for blocks that have been + * zero_last mode at least |x| frames in a row. + */ + for (i = 0; i < source->y_height; i += 16 * skip) { + int block_index_row = (i >> 4) * cpi->common.mb_cols; + for (j = 0; j < source->y_width; j += 16 * skip) { + int index = block_index_row + (j >> 4); + if (cpi->consec_zero_last[index] >= min_consec_zero_last) { + unsigned int sse; + Total += vpx_mse16x16(src + j, source->y_stride, dst + j, + dest->y_stride, &sse); + num_blocks++; + } + } + src += 16 * skip * source->y_stride; + dst += 16 * skip * dest->y_stride; + } + // Only return non-zero if we have at least ~1/16 samples for estimate. + if (num_blocks > (tot_num_blocks >> 4)) { + assert(num_blocks != 0); + return (Total / num_blocks); + } else { + return 0; + } +} + +#if CONFIG_TEMPORAL_DENOISING +static void process_denoiser_mode_change(VP8_COMP *cpi) { + const VP8_COMMON *const cm = &cpi->common; + int i, j; + int total = 0; + int num_blocks = 0; + // Number of blocks skipped along row/column in computing the + // nmse (normalized mean square error) of source. + int skip = 2; + // Only select blocks for computing nmse that have been encoded + // as ZERO LAST min_consec_zero_last frames in a row. + // Scale with number of temporal layers. + int min_consec_zero_last = 12 / cpi->oxcf.number_of_layers; + // Decision is tested for changing the denoising mode every + // num_mode_change times this function is called. Note that this + // function called every 8 frames, so (8 * num_mode_change) is number + // of frames where denoising mode change is tested for switch. + int num_mode_change = 20; + // Framerate factor, to compensate for larger mse at lower framerates. + // Use ref_framerate, which is full source framerate for temporal layers. + // TODO(marpan): Adjust this factor. + int fac_framerate = cpi->ref_framerate < 25.0f ? 80 : 100; + int tot_num_blocks = cm->mb_rows * cm->mb_cols; + int ystride = cpi->Source->y_stride; + unsigned char *src = cpi->Source->y_buffer; + unsigned char *dst = cpi->denoiser.yv12_last_source.y_buffer; + static const unsigned char const_source[16] = { 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 128, + 128, 128, 128, 128 }; + int bandwidth = (int)(cpi->target_bandwidth); + // For temporal layers, use full bandwidth (top layer). + if (cpi->oxcf.number_of_layers > 1) { + LAYER_CONTEXT *lc = &cpi->layer_context[cpi->oxcf.number_of_layers - 1]; + bandwidth = (int)(lc->target_bandwidth); + } + // Loop through the Y plane, every skip blocks along rows and columns, + // summing the normalized mean square error, only for blocks that have + // been encoded as ZEROMV LAST at least min_consec_zero_last least frames in + // a row and have small sum difference between current and previous frame. + // Normalization here is by the contrast of the current frame block. + for (i = 0; i < cm->Height; i += 16 * skip) { + int block_index_row = (i >> 4) * cm->mb_cols; + for (j = 0; j < cm->Width; j += 16 * skip) { + int index = block_index_row + (j >> 4); + if (cpi->consec_zero_last[index] >= min_consec_zero_last) { + unsigned int sse; + const unsigned int var = + vpx_variance16x16(src + j, ystride, dst + j, ystride, &sse); + // Only consider this block as valid for noise measurement + // if the sum_diff average of the current and previous frame + // is small (to avoid effects from lighting change). + if ((sse - var) < 128) { + unsigned int sse2; + const unsigned int act = + vpx_variance16x16(src + j, ystride, const_source, 0, &sse2); + if (act > 0) total += sse / act; + num_blocks++; + } + } + } + src += 16 * skip * ystride; + dst += 16 * skip * ystride; + } + total = total * fac_framerate / 100; + + // Only consider this frame as valid sample if we have computed nmse over + // at least ~1/16 blocks, and Total > 0 (Total == 0 can happen if the + // application inputs duplicate frames, or contrast is all zero). + if (total > 0 && (num_blocks > (tot_num_blocks >> 4))) { + // Update the recursive mean square source_diff. + total = (total << 8) / num_blocks; + if (cpi->denoiser.nmse_source_diff_count == 0) { + // First sample in new interval. + cpi->denoiser.nmse_source_diff = total; + cpi->denoiser.qp_avg = cm->base_qindex; + } else { + // For subsequent samples, use average with weight ~1/4 for new sample. + cpi->denoiser.nmse_source_diff = + (int)((total + 3 * cpi->denoiser.nmse_source_diff) >> 2); + cpi->denoiser.qp_avg = + (int)((cm->base_qindex + 3 * cpi->denoiser.qp_avg) >> 2); + } + cpi->denoiser.nmse_source_diff_count++; + } + // Check for changing the denoiser mode, when we have obtained #samples = + // num_mode_change. Condition the change also on the bitrate and QP. + if (cpi->denoiser.nmse_source_diff_count == num_mode_change) { + // Check for going up: from normal to aggressive mode. + if ((cpi->denoiser.denoiser_mode == kDenoiserOnYUV) && + (cpi->denoiser.nmse_source_diff > + cpi->denoiser.threshold_aggressive_mode) && + (cpi->denoiser.qp_avg < cpi->denoiser.qp_threshold_up && + bandwidth > cpi->denoiser.bitrate_threshold)) { + vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUVAggressive); + } else { + // Check for going down: from aggressive to normal mode. + if (((cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive) && + (cpi->denoiser.nmse_source_diff < + cpi->denoiser.threshold_aggressive_mode)) || + ((cpi->denoiser.denoiser_mode == kDenoiserOnYUVAggressive) && + (cpi->denoiser.qp_avg > cpi->denoiser.qp_threshold_down || + bandwidth < cpi->denoiser.bitrate_threshold))) { + vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUV); + } + } + // Reset metric and counter for next interval. + cpi->denoiser.nmse_source_diff = 0; + cpi->denoiser.qp_avg = 0; + cpi->denoiser.nmse_source_diff_count = 0; + } +} +#endif + +void vp8_loopfilter_frame(VP8_COMP *cpi, VP8_COMMON *cm) { + const FRAME_TYPE frame_type = cm->frame_type; + + int update_any_ref_buffers = 1; + if (cpi->common.refresh_last_frame == 0 && + cpi->common.refresh_golden_frame == 0 && + cpi->common.refresh_alt_ref_frame == 0) { + update_any_ref_buffers = 0; + } + + if (cm->no_lpf) { + cm->filter_level = 0; + } else { + struct vpx_usec_timer timer; + + vpx_clear_system_state(); + + vpx_usec_timer_start(&timer); + if (cpi->sf.auto_filter == 0) { +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity && cm->frame_type != KEY_FRAME) { + // Use the denoised buffer for selecting base loop filter level. + // Denoised signal for current frame is stored in INTRA_FRAME. + // No denoising on key frames. + vp8cx_pick_filter_level_fast( + &cpi->denoiser.yv12_running_avg[INTRA_FRAME], cpi); + } else { + vp8cx_pick_filter_level_fast(cpi->Source, cpi); + } +#else + vp8cx_pick_filter_level_fast(cpi->Source, cpi); +#endif + } else { +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity && cm->frame_type != KEY_FRAME) { + // Use the denoised buffer for selecting base loop filter level. + // Denoised signal for current frame is stored in INTRA_FRAME. + // No denoising on key frames. + vp8cx_pick_filter_level(&cpi->denoiser.yv12_running_avg[INTRA_FRAME], + cpi); + } else { + vp8cx_pick_filter_level(cpi->Source, cpi); + } +#else + vp8cx_pick_filter_level(cpi->Source, cpi); +#endif + } + + if (cm->filter_level > 0) { + vp8cx_set_alt_lf_level(cpi, cm->filter_level); + } + + vpx_usec_timer_mark(&timer); + cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer); + } + +#if CONFIG_MULTITHREAD + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded)) { + sem_post(&cpi->h_event_end_lpf); /* signal that we have set filter_level */ + } +#endif + + // No need to apply loop-filter if the encoded frame does not update + // any reference buffers. + if (cm->filter_level > 0 && update_any_ref_buffers) { + vp8_loop_filter_frame(cm, &cpi->mb.e_mbd, frame_type); + } + + vp8_yv12_extend_frame_borders(cm->frame_to_show); +} +// Return 1 if frame is to be dropped. Update frame drop decimation +// counters. +int vp8_check_drop_buffer(VP8_COMP *cpi) { + VP8_COMMON *cm = &cpi->common; + int drop_mark = (int)(cpi->oxcf.drop_frames_water_mark * + cpi->oxcf.optimal_buffer_level / 100); + int drop_mark75 = drop_mark * 2 / 3; + int drop_mark50 = drop_mark / 4; + int drop_mark25 = drop_mark / 8; + if (cpi->drop_frames_allowed) { + /* The reset to decimation 0 is only done here for one pass. + * Once it is set two pass leaves decimation on till the next kf. + */ + if (cpi->buffer_level > drop_mark && cpi->decimation_factor > 0) { + cpi->decimation_factor--; + } + + if (cpi->buffer_level > drop_mark75 && cpi->decimation_factor > 0) { + cpi->decimation_factor = 1; + + } else if (cpi->buffer_level < drop_mark25 && + (cpi->decimation_factor == 2 || cpi->decimation_factor == 3)) { + cpi->decimation_factor = 3; + } else if (cpi->buffer_level < drop_mark50 && + (cpi->decimation_factor == 1 || cpi->decimation_factor == 2)) { + cpi->decimation_factor = 2; + } else if (cpi->buffer_level < drop_mark75 && + (cpi->decimation_factor == 0 || cpi->decimation_factor == 1)) { + cpi->decimation_factor = 1; + } + } + + /* The following decimates the frame rate according to a regular + * pattern (i.e. to 1/2 or 2/3 frame rate) This can be used to help + * prevent buffer under-run in CBR mode. Alternatively it might be + * desirable in some situations to drop frame rate but throw more bits + * at each frame. + * + * Note that dropping a key frame can be problematic if spatial + * resampling is also active + */ + if (cpi->decimation_factor > 0 && cpi->drop_frames_allowed) { + switch (cpi->decimation_factor) { + case 1: + cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 3 / 2; + break; + case 2: + cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 5 / 4; + break; + case 3: + cpi->per_frame_bandwidth = cpi->per_frame_bandwidth * 5 / 4; + break; + } + + /* Note that we should not throw out a key frame (especially when + * spatial resampling is enabled). + */ + if (cm->frame_type == KEY_FRAME) { + cpi->decimation_count = cpi->decimation_factor; + } else if (cpi->decimation_count > 0) { + cpi->decimation_count--; + + cpi->bits_off_target += cpi->av_per_frame_bandwidth; + if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size) { + cpi->bits_off_target = cpi->oxcf.maximum_buffer_size; + } + +#if CONFIG_MULTI_RES_ENCODING + vp8_store_drop_frame_info(cpi); +#endif + + cm->current_video_frame++; + cpi->frames_since_key++; + cpi->ext_refresh_frame_flags_pending = 0; + // We advance the temporal pattern for dropped frames. + cpi->temporal_pattern_counter++; + +#if CONFIG_INTERNAL_STATS + cpi->count++; +#endif + + cpi->buffer_level = cpi->bits_off_target; + + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + + /* Propagate bits saved by dropping the frame to higher + * layers + */ + for (i = cpi->current_layer + 1; i < cpi->oxcf.number_of_layers; ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + lc->bits_off_target += (int)(lc->target_bandwidth / lc->framerate); + if (lc->bits_off_target > lc->maximum_buffer_size) { + lc->bits_off_target = lc->maximum_buffer_size; + } + lc->buffer_level = lc->bits_off_target; + } + } + return 1; + } else { + cpi->decimation_count = cpi->decimation_factor; + } + } else { + cpi->decimation_count = 0; + } + return 0; +} + +static void encode_frame_to_data_rate(VP8_COMP *cpi, size_t *size, + unsigned char *dest, + unsigned char *dest_end, + unsigned int *frame_flags) { + int Q; + int frame_over_shoot_limit; + int frame_under_shoot_limit; + + int Loop = 0; + + VP8_COMMON *cm = &cpi->common; + int active_worst_qchanged = 0; + +#if !CONFIG_REALTIME_ONLY + int q_low; + int q_high; + int zbin_oq_high; + int zbin_oq_low = 0; + int top_index; + int bottom_index; + int overshoot_seen = 0; + int undershoot_seen = 0; +#endif + + /* Clear down mmx registers to allow floating point in what follows */ + vpx_clear_system_state(); + + if (cpi->force_next_frame_intra) { + cm->frame_type = KEY_FRAME; /* delayed intra frame */ + cpi->force_next_frame_intra = 0; + } + + /* For an alt ref frame in 2 pass we skip the call to the second pass + * function that sets the target bandwidth + */ + switch (cpi->pass) { +#if !CONFIG_REALTIME_ONLY + case 2: + if (cpi->common.refresh_alt_ref_frame) { + /* Per frame bit target for the alt ref frame */ + cpi->per_frame_bandwidth = cpi->twopass.gf_bits; + /* per second target bitrate */ + cpi->target_bandwidth = + (int)(cpi->twopass.gf_bits * cpi->output_framerate); + } + break; +#endif // !CONFIG_REALTIME_ONLY + default: + cpi->per_frame_bandwidth = + (int)round(cpi->target_bandwidth / cpi->output_framerate); + break; + } + + /* Default turn off buffer to buffer copying */ + cm->copy_buffer_to_gf = 0; + cm->copy_buffer_to_arf = 0; + + /* Clear zbin over-quant value and mode boost values. */ + cpi->mb.zbin_over_quant = 0; + cpi->mb.zbin_mode_boost = 0; + + /* Enable or disable mode based tweaking of the zbin + * For 2 Pass Only used where GF/ARF prediction quality + * is above a threshold + */ + cpi->mb.zbin_mode_boost_enabled = 1; + if (cpi->pass == 2) { + if (cpi->gfu_boost <= 400) { + cpi->mb.zbin_mode_boost_enabled = 0; + } + } + + /* Current default encoder behaviour for the altref sign bias */ + if (cpi->source_alt_ref_active) { + cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 1; + } else { + cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = 0; + } + + /* Check to see if a key frame is signaled + * For two pass with auto key frame enabled cm->frame_type may already + * be set, but not for one pass. + */ + if ((cm->current_video_frame == 0) || (cm->frame_flags & FRAMEFLAGS_KEY) || + (cpi->oxcf.auto_key && + (cpi->frames_since_key % cpi->key_frame_frequency == 0))) { + /* Key frame from VFW/auto-keyframe/first frame */ + cm->frame_type = KEY_FRAME; +#if CONFIG_TEMPORAL_DENOISING + if (cpi->oxcf.noise_sensitivity == 4) { + // For adaptive mode, reset denoiser to normal mode on key frame. + vp8_denoiser_set_parameters(&cpi->denoiser, kDenoiserOnYUV); + } +#endif + } + +#if CONFIG_MULTI_RES_ENCODING + if (cpi->oxcf.mr_total_resolutions > 1) { + LOWER_RES_FRAME_INFO *low_res_frame_info = + (LOWER_RES_FRAME_INFO *)cpi->oxcf.mr_low_res_mode_info; + + if (cpi->oxcf.mr_encoder_id) { + // Check if lower resolution is available for motion vector reuse. + if (cm->frame_type != KEY_FRAME) { + cpi->mr_low_res_mv_avail = 1; + cpi->mr_low_res_mv_avail &= !(low_res_frame_info->is_frame_dropped); + + if (cpi->ref_frame_flags & VP8_LAST_FRAME) + cpi->mr_low_res_mv_avail &= + (cpi->current_ref_frames[LAST_FRAME] == + low_res_frame_info->low_res_ref_frames[LAST_FRAME]); + + if (cpi->ref_frame_flags & VP8_GOLD_FRAME) + cpi->mr_low_res_mv_avail &= + (cpi->current_ref_frames[GOLDEN_FRAME] == + low_res_frame_info->low_res_ref_frames[GOLDEN_FRAME]); + + // Don't use altref to determine whether low res is available. + // TODO (marpan): Should we make this type of condition on a + // per-reference frame basis? + /* + if (cpi->ref_frame_flags & VP8_ALTR_FRAME) + cpi->mr_low_res_mv_avail &= (cpi->current_ref_frames[ALTREF_FRAME] + == low_res_frame_info->low_res_ref_frames[ALTREF_FRAME]); + */ + } + // Disable motion vector reuse (i.e., disable any usage of the low_res) + // if the previous lower stream is skipped/disabled. + if (low_res_frame_info->skip_encoding_prev_stream) { + cpi->mr_low_res_mv_avail = 0; + } + } + // This stream is not skipped (i.e., it's being encoded), so set this skip + // flag to 0. This is needed for the next stream (i.e., which is the next + // frame to be encoded). + low_res_frame_info->skip_encoding_prev_stream = 0; + + // On a key frame: For the lowest resolution, keep track of the key frame + // counter value. For the higher resolutions, reset the current video + // frame counter to that of the lowest resolution. + // This is done to the handle the case where we may stop/start encoding + // higher layer(s). The restart-encoding of higher layer is only signaled + // by a key frame for now. + // TODO (marpan): Add flag to indicate restart-encoding of higher layer. + if (cm->frame_type == KEY_FRAME) { + if (cpi->oxcf.mr_encoder_id) { + // If the initial starting value of the buffer level is zero (this can + // happen because we may have not started encoding this higher stream), + // then reset it to non-zero value based on |starting_buffer_level|. + if (cpi->common.current_video_frame == 0 && cpi->buffer_level == 0) { + unsigned int i; + cpi->bits_off_target = cpi->oxcf.starting_buffer_level; + cpi->buffer_level = cpi->oxcf.starting_buffer_level; + for (i = 0; i < cpi->oxcf.number_of_layers; ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + lc->bits_off_target = lc->starting_buffer_level; + lc->buffer_level = lc->starting_buffer_level; + } + } + cpi->common.current_video_frame = + low_res_frame_info->key_frame_counter_value; + } else { + low_res_frame_info->key_frame_counter_value = + cpi->common.current_video_frame; + } + } + } +#endif + + // Find the reference frame closest to the current frame. + cpi->closest_reference_frame = LAST_FRAME; + if (cm->frame_type != KEY_FRAME) { + int i; + MV_REFERENCE_FRAME closest_ref = INTRA_FRAME; + if (cpi->ref_frame_flags & VP8_LAST_FRAME) { + closest_ref = LAST_FRAME; + } else if (cpi->ref_frame_flags & VP8_GOLD_FRAME) { + closest_ref = GOLDEN_FRAME; + } else if (cpi->ref_frame_flags & VP8_ALTR_FRAME) { + closest_ref = ALTREF_FRAME; + } + for (i = 1; i <= 3; ++i) { + vpx_ref_frame_type_t ref_frame_type = + (vpx_ref_frame_type_t)((i == 3) ? 4 : i); + if (cpi->ref_frame_flags & ref_frame_type) { + if ((cm->current_video_frame - cpi->current_ref_frames[i]) < + (cm->current_video_frame - cpi->current_ref_frames[closest_ref])) { + closest_ref = i; + } + } + } + cpi->closest_reference_frame = closest_ref; + } + + /* Set various flags etc to special state if it is a key frame */ + if (cm->frame_type == KEY_FRAME) { + int i; + + // Set the loop filter deltas and segmentation map update + setup_features(cpi); + + /* The alternate reference frame cannot be active for a key frame */ + cpi->source_alt_ref_active = 0; + + /* Reset the RD threshold multipliers to default of * 1 (128) */ + for (i = 0; i < MAX_MODES; ++i) { + cpi->mb.rd_thresh_mult[i] = 128; + } + + // Reset the zero_last counter to 0 on key frame. + memset(cpi->consec_zero_last, 0, cm->mb_rows * cm->mb_cols); + memset(cpi->consec_zero_last_mvbias, 0, + (cpi->common.mb_rows * cpi->common.mb_cols)); + } + +#if 0 + /* Experimental code for lagged compress and one pass + * Initialise one_pass GF frames stats + * Update stats used for GF selection + */ + { + cpi->one_pass_frame_index = cm->current_video_frame % MAX_LAG_BUFFERS; + + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frames_so_far = 0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_intra_error = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_coded_error = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_pcnt_inter = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_pcnt_motion = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvr = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvr_abs = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvc = 0.0; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index ].frame_mvc_abs = 0.0; + } +#endif + + update_rd_ref_frame_probs(cpi); + + if (vp8_check_drop_buffer(cpi)) { + return; + } + + /* Decide how big to make the frame */ + if (!vp8_pick_frame_size(cpi)) { +/*TODO: 2 drop_frame and return code could be put together. */ +#if CONFIG_MULTI_RES_ENCODING + vp8_store_drop_frame_info(cpi); +#endif + cm->current_video_frame++; + cpi->frames_since_key++; + cpi->ext_refresh_frame_flags_pending = 0; + // We advance the temporal pattern for dropped frames. + cpi->temporal_pattern_counter++; + return; + } + + /* Reduce active_worst_allowed_q for CBR if our buffer is getting too full. + * This has a knock on effect on active best quality as well. + * For CBR if the buffer reaches its maximum level then we can no longer + * save up bits for later frames so we might as well use them up + * on the current frame. + */ + if ((cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) && + (cpi->buffer_level >= cpi->oxcf.optimal_buffer_level) && + cpi->buffered_mode) { + /* Max adjustment is 1/4 */ + int Adjustment = cpi->active_worst_quality / 4; + + if (Adjustment) { + int buff_lvl_step; + + if (cpi->buffer_level < cpi->oxcf.maximum_buffer_size) { + buff_lvl_step = (int)((cpi->oxcf.maximum_buffer_size - + cpi->oxcf.optimal_buffer_level) / + Adjustment); + + if (buff_lvl_step) { + Adjustment = + (int)((cpi->buffer_level - cpi->oxcf.optimal_buffer_level) / + buff_lvl_step); + } else { + Adjustment = 0; + } + } + + cpi->active_worst_quality -= Adjustment; + + if (cpi->active_worst_quality < cpi->active_best_quality) { + cpi->active_worst_quality = cpi->active_best_quality; + } + } + } + + /* Set an active best quality and if necessary active worst quality + * There is some odd behavior for one pass here that needs attention. + */ + if ((cpi->pass == 2) || (cpi->ni_frames > 150)) { + vpx_clear_system_state(); + + Q = cpi->active_worst_quality; + + if (cm->frame_type == KEY_FRAME) { + if (cpi->pass == 2) { + if (cpi->gfu_boost > 600) { + cpi->active_best_quality = kf_low_motion_minq[Q]; + } else { + cpi->active_best_quality = kf_high_motion_minq[Q]; + } + + /* Special case for key frames forced because we have reached + * the maximum key frame interval. Here force the Q to a range + * based on the ambient Q to reduce the risk of popping + */ + if (cpi->this_key_frame_forced) { + if (cpi->active_best_quality > cpi->avg_frame_qindex * 7 / 8) { + cpi->active_best_quality = cpi->avg_frame_qindex * 7 / 8; + } else if (cpi->active_best_quality < (cpi->avg_frame_qindex >> 2)) { + cpi->active_best_quality = cpi->avg_frame_qindex >> 2; + } + } + } + /* One pass more conservative */ + else { + cpi->active_best_quality = kf_high_motion_minq[Q]; + } + } + + else if (cpi->oxcf.number_of_layers == 1 && + (cm->refresh_golden_frame || cpi->common.refresh_alt_ref_frame)) { + /* Use the lower of cpi->active_worst_quality and recent + * average Q as basis for GF/ARF Q limit unless last frame was + * a key frame. + */ + if ((cpi->frames_since_key > 1) && + (cpi->avg_frame_qindex < cpi->active_worst_quality)) { + Q = cpi->avg_frame_qindex; + } + + /* For constrained quality don't allow Q less than the cq level */ + if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) && + (Q < cpi->cq_target_quality)) { + Q = cpi->cq_target_quality; + } + + if (cpi->pass == 2) { + if (cpi->gfu_boost > 1000) { + cpi->active_best_quality = gf_low_motion_minq[Q]; + } else if (cpi->gfu_boost < 400) { + cpi->active_best_quality = gf_high_motion_minq[Q]; + } else { + cpi->active_best_quality = gf_mid_motion_minq[Q]; + } + + /* Constrained quality use slightly lower active best. */ + if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { + cpi->active_best_quality = cpi->active_best_quality * 15 / 16; + } + } + /* One pass more conservative */ + else { + cpi->active_best_quality = gf_high_motion_minq[Q]; + } + } else { + cpi->active_best_quality = inter_minq[Q]; + + /* For the constant/constrained quality mode we don't want + * q to fall below the cq level. + */ + if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) && + (cpi->active_best_quality < cpi->cq_target_quality)) { + /* If we are strongly undershooting the target rate in the last + * frames then use the user passed in cq value not the auto + * cq value. + */ + if (cpi->rolling_actual_bits < cpi->min_frame_bandwidth) { + cpi->active_best_quality = cpi->oxcf.cq_level; + } else { + cpi->active_best_quality = cpi->cq_target_quality; + } + } + } + + /* If CBR and the buffer is as full then it is reasonable to allow + * higher quality on the frames to prevent bits just going to waste. + */ + if (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) { + /* Note that the use of >= here elliminates the risk of a divide + * by 0 error in the else if clause + */ + if (cpi->buffer_level >= cpi->oxcf.maximum_buffer_size) { + cpi->active_best_quality = cpi->best_quality; + + } else if (cpi->buffer_level > cpi->oxcf.optimal_buffer_level) { + int Fraction = + (int)(((cpi->buffer_level - cpi->oxcf.optimal_buffer_level) * 128) / + (cpi->oxcf.maximum_buffer_size - + cpi->oxcf.optimal_buffer_level)); + int min_qadjustment = + ((cpi->active_best_quality - cpi->best_quality) * Fraction) / 128; + + cpi->active_best_quality -= min_qadjustment; + } + } + } + /* Make sure constrained quality mode limits are adhered to for the first + * few frames of one pass encodes + */ + else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { + if ((cm->frame_type == KEY_FRAME) || cm->refresh_golden_frame || + cpi->common.refresh_alt_ref_frame) { + cpi->active_best_quality = cpi->best_quality; + } else if (cpi->active_best_quality < cpi->cq_target_quality) { + cpi->active_best_quality = cpi->cq_target_quality; + } + } + + /* Clip the active best and worst quality values to limits */ + if (cpi->active_worst_quality > cpi->worst_quality) { + cpi->active_worst_quality = cpi->worst_quality; + } + + if (cpi->active_best_quality < cpi->best_quality) { + cpi->active_best_quality = cpi->best_quality; + } + + if (cpi->active_worst_quality < cpi->active_best_quality) { + cpi->active_worst_quality = cpi->active_best_quality; + } + + /* Determine initial Q to try */ + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + +#if !CONFIG_REALTIME_ONLY + + /* Set highest allowed value for Zbin over quant */ + if (cm->frame_type == KEY_FRAME) { + zbin_oq_high = 0; + } else if ((cpi->oxcf.number_of_layers == 1) && + ((cm->refresh_alt_ref_frame || + (cm->refresh_golden_frame && !cpi->source_alt_ref_active)))) { + zbin_oq_high = 16; + } else { + zbin_oq_high = ZBIN_OQ_MAX; + } +#endif + + compute_skin_map(cpi); + + /* Setup background Q adjustment for error resilient mode. + * For multi-layer encodes only enable this for the base layer. + */ + if (cpi->cyclic_refresh_mode_enabled) { + // Special case for screen_content_mode with golden frame updates. + int disable_cr_gf = + (cpi->oxcf.screen_content_mode == 2 && cm->refresh_golden_frame); + if (cpi->current_layer == 0 && cpi->force_maxqp == 0 && !disable_cr_gf) { + cyclic_background_refresh(cpi, Q, 0); + } else { + disable_segmentation(cpi); + } + } + + vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, + &frame_over_shoot_limit); + +#if !CONFIG_REALTIME_ONLY + /* Limit Q range for the adaptive loop. */ + bottom_index = cpi->active_best_quality; + top_index = cpi->active_worst_quality; + q_low = cpi->active_best_quality; + q_high = cpi->active_worst_quality; +#endif + + vp8_save_coding_context(cpi); + + scale_and_extend_source(cpi->un_scaled_source, cpi); + +#if CONFIG_TEMPORAL_DENOISING && CONFIG_POSTPROC + // Option to apply spatial blur under the aggressive or adaptive + // (temporal denoising) mode. + if (cpi->oxcf.noise_sensitivity >= 3) { + if (cpi->denoiser.denoise_pars.spatial_blur != 0) { + vp8_de_noise(cm, cpi->Source, cpi->denoiser.denoise_pars.spatial_blur, 1); + } + } +#endif + +#if !(CONFIG_REALTIME_ONLY) && CONFIG_POSTPROC && !(CONFIG_TEMPORAL_DENOISING) + + if (cpi->oxcf.noise_sensitivity > 0) { + unsigned char *src; + int l = 0; + + switch (cpi->oxcf.noise_sensitivity) { + case 1: l = 20; break; + case 2: l = 40; break; + case 3: l = 60; break; + case 4: l = 80; break; + case 5: l = 100; break; + case 6: l = 150; break; + } + + if (cm->frame_type == KEY_FRAME) { + vp8_de_noise(cm, cpi->Source, l, 1); + } else { + vp8_de_noise(cm, cpi->Source, l, 1); + + src = cpi->Source->y_buffer; + + if (cpi->Source->y_stride < 0) { + src += cpi->Source->y_stride * (cpi->Source->y_height - 1); + } + } + } + +#endif + +#ifdef OUTPUT_YUV_SRC + vpx_write_yuv_frame(yuv_file, cpi->Source); +#endif + + do { + vpx_clear_system_state(); + + vp8_set_quantizer(cpi, Q); + + /* setup skip prob for costing in mode/mv decision */ + if (cpi->common.mb_no_coeff_skip) { + cpi->prob_skip_false = cpi->base_skip_false_prob[Q]; + + if (cm->frame_type != KEY_FRAME) { + if (cpi->common.refresh_alt_ref_frame) { + if (cpi->last_skip_false_probs[2] != 0) { + cpi->prob_skip_false = cpi->last_skip_false_probs[2]; + } + + /* + if(cpi->last_skip_false_probs[2]!=0 && abs(Q- + cpi->last_skip_probs_q[2])<=16 ) + cpi->prob_skip_false = cpi->last_skip_false_probs[2]; + else if (cpi->last_skip_false_probs[2]!=0) + cpi->prob_skip_false = (cpi->last_skip_false_probs[2] + + cpi->prob_skip_false ) / 2; + */ + } else if (cpi->common.refresh_golden_frame) { + if (cpi->last_skip_false_probs[1] != 0) { + cpi->prob_skip_false = cpi->last_skip_false_probs[1]; + } + + /* + if(cpi->last_skip_false_probs[1]!=0 && abs(Q- + cpi->last_skip_probs_q[1])<=16 ) + cpi->prob_skip_false = cpi->last_skip_false_probs[1]; + else if (cpi->last_skip_false_probs[1]!=0) + cpi->prob_skip_false = (cpi->last_skip_false_probs[1] + + cpi->prob_skip_false ) / 2; + */ + } else { + if (cpi->last_skip_false_probs[0] != 0) { + cpi->prob_skip_false = cpi->last_skip_false_probs[0]; + } + + /* + if(cpi->last_skip_false_probs[0]!=0 && abs(Q- + cpi->last_skip_probs_q[0])<=16 ) + cpi->prob_skip_false = cpi->last_skip_false_probs[0]; + else if(cpi->last_skip_false_probs[0]!=0) + cpi->prob_skip_false = (cpi->last_skip_false_probs[0] + + cpi->prob_skip_false ) / 2; + */ + } + + /* as this is for cost estimate, let's make sure it does not + * go extreme eitehr way + */ + if (cpi->prob_skip_false < 5) cpi->prob_skip_false = 5; + + if (cpi->prob_skip_false > 250) cpi->prob_skip_false = 250; + + if (cpi->oxcf.number_of_layers == 1 && cpi->is_src_frame_alt_ref) { + cpi->prob_skip_false = 1; + } + } + +#if 0 + + if (cpi->pass != 1) + { + FILE *f = fopen("skip.stt", "a"); + fprintf(f, "%d, %d, %4d ", cpi->common.refresh_golden_frame, cpi->common.refresh_alt_ref_frame, cpi->prob_skip_false); + fclose(f); + } + +#endif + } + + if (cm->frame_type == KEY_FRAME) { + if (resize_key_frame(cpi)) { + /* If the frame size has changed, need to reset Q, quantizer, + * and background refresh. + */ + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + if (cpi->cyclic_refresh_mode_enabled) { + if (cpi->current_layer == 0) { + cyclic_background_refresh(cpi, Q, 0); + } else { + disable_segmentation(cpi); + } + } + // Reset the zero_last counter to 0 on key frame. + memset(cpi->consec_zero_last, 0, cm->mb_rows * cm->mb_cols); + memset(cpi->consec_zero_last_mvbias, 0, + (cpi->common.mb_rows * cpi->common.mb_cols)); + vp8_set_quantizer(cpi, Q); + } + + vp8_setup_key_frame(cpi); + } + +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + { + if (cpi->oxcf.error_resilient_mode) cm->refresh_entropy_probs = 0; + + if (cpi->oxcf.error_resilient_mode & VPX_ERROR_RESILIENT_PARTITIONS) { + if (cm->frame_type == KEY_FRAME) cm->refresh_entropy_probs = 1; + } + + if (cm->refresh_entropy_probs == 0) { + /* save a copy for later refresh */ + memcpy(&cm->lfc, &cm->fc, sizeof(cm->fc)); + } + + vp8_update_coef_context(cpi); + + vp8_update_coef_probs(cpi); + + /* transform / motion compensation build reconstruction frame + * +pack coef partitions + */ + vp8_encode_frame(cpi); + + /* cpi->projected_frame_size is not needed for RT mode */ + } +#else + /* transform / motion compensation build reconstruction frame */ + vp8_encode_frame(cpi); + + if (cpi->pass == 0 && cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER && + cpi->rt_drop_recode_on_overshoot == 1) { + if (vp8_drop_encodedframe_overshoot(cpi, Q)) { + vpx_clear_system_state(); + return; + } + if (cm->frame_type != KEY_FRAME) + cpi->last_pred_err_mb = + (int)(cpi->mb.prediction_error / cpi->common.MBs); + } + + cpi->projected_frame_size -= vp8_estimate_entropy_savings(cpi); + cpi->projected_frame_size = + (cpi->projected_frame_size > 0) ? cpi->projected_frame_size : 0; +#endif + vpx_clear_system_state(); + + /* Test to see if the stats generated for this frame indicate that + * we should have coded a key frame (assuming that we didn't)! + */ + + if (cpi->pass != 2 && cpi->oxcf.auto_key && cm->frame_type != KEY_FRAME && + cpi->compressor_speed != 2) { +#if !CONFIG_REALTIME_ONLY + if (decide_key_frame(cpi)) { + /* Reset all our sizing numbers and recode */ + cm->frame_type = KEY_FRAME; + + vp8_pick_frame_size(cpi); + + /* Clear the Alt reference frame active flag when we have + * a key frame + */ + cpi->source_alt_ref_active = 0; + + // Set the loop filter deltas and segmentation map update + setup_features(cpi); + + vp8_restore_coding_context(cpi); + + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + + vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, + &frame_over_shoot_limit); + + /* Limit Q range for the adaptive loop. */ + bottom_index = cpi->active_best_quality; + top_index = cpi->active_worst_quality; + q_low = cpi->active_best_quality; + q_high = cpi->active_worst_quality; + + Loop = 1; + + continue; + } +#endif + } + + vpx_clear_system_state(); + + if (frame_over_shoot_limit == 0) frame_over_shoot_limit = 1; + + /* Are we are overshooting and up against the limit of active max Q. */ + if (!cpi->rt_always_update_correction_factor && + ((cpi->pass != 2) || + (cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER)) && + (Q == cpi->active_worst_quality) && + (cpi->active_worst_quality < cpi->worst_quality) && + (cpi->projected_frame_size > frame_over_shoot_limit)) { + int over_size_percent = + ((cpi->projected_frame_size - frame_over_shoot_limit) * 100) / + frame_over_shoot_limit; + + /* If so is there any scope for relaxing it */ + while ((cpi->active_worst_quality < cpi->worst_quality) && + (over_size_percent > 0)) { + cpi->active_worst_quality++; + /* Assume 1 qstep = about 4% on frame size. */ + over_size_percent = (int)(over_size_percent * 0.96); + } +#if !CONFIG_REALTIME_ONLY + top_index = cpi->active_worst_quality; +#endif // !CONFIG_REALTIME_ONLY + /* If we have updated the active max Q do not call + * vp8_update_rate_correction_factors() this loop. + */ + active_worst_qchanged = 1; + } else { + active_worst_qchanged = 0; + } + +#if CONFIG_REALTIME_ONLY + Loop = 0; +#else + /* Special case handling for forced key frames */ + if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) { + int last_q = Q; + int kf_err = vp8_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); + + /* The key frame is not good enough */ + if (kf_err > ((cpi->ambient_err * 7) >> 3)) { + /* Lower q_high */ + q_high = (Q > q_low) ? (Q - 1) : q_low; + + /* Adjust Q */ + Q = (q_high + q_low) >> 1; + } + /* The key frame is much better than the previous frame */ + else if (kf_err < (cpi->ambient_err >> 1)) { + /* Raise q_low */ + q_low = (Q < q_high) ? (Q + 1) : q_high; + + /* Adjust Q */ + Q = (q_high + q_low + 1) >> 1; + } + + /* Clamp Q to upper and lower limits: */ + if (Q > q_high) { + Q = q_high; + } else if (Q < q_low) { + Q = q_low; + } + + Loop = Q != last_q; + } + + /* Is the projected frame size out of range and are we allowed + * to attempt to recode. + */ + else if (recode_loop_test(cpi, frame_over_shoot_limit, + frame_under_shoot_limit, Q, top_index, + bottom_index)) { + int last_q = Q; + int Retries = 0; + + /* Frame size out of permitted range. Update correction factor + * & compute new Q to try... + */ + + /* Frame is too large */ + if (cpi->projected_frame_size > cpi->this_frame_target) { + /* Raise Qlow as to at least the current value */ + q_low = (Q < q_high) ? (Q + 1) : q_high; + + /* If we are using over quant do the same for zbin_oq_low */ + if (cpi->mb.zbin_over_quant > 0) { + zbin_oq_low = (cpi->mb.zbin_over_quant < zbin_oq_high) + ? (cpi->mb.zbin_over_quant + 1) + : zbin_oq_high; + } + + if (undershoot_seen) { + /* Update rate_correction_factor unless + * cpi->active_worst_quality has changed. + */ + if (!active_worst_qchanged) { + vp8_update_rate_correction_factors(cpi, 1); + } + + Q = (q_high + q_low + 1) / 2; + + /* Adjust cpi->zbin_over_quant (only allowed when Q + * is max) + */ + if (Q < MAXQ) { + cpi->mb.zbin_over_quant = 0; + } else { + zbin_oq_low = (cpi->mb.zbin_over_quant < zbin_oq_high) + ? (cpi->mb.zbin_over_quant + 1) + : zbin_oq_high; + cpi->mb.zbin_over_quant = (zbin_oq_high + zbin_oq_low) / 2; + } + } else { + /* Update rate_correction_factor unless + * cpi->active_worst_quality has changed. + */ + if (!active_worst_qchanged) { + vp8_update_rate_correction_factors(cpi, 0); + } + + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + + while (((Q < q_low) || (cpi->mb.zbin_over_quant < zbin_oq_low)) && + (Retries < 10)) { + vp8_update_rate_correction_factors(cpi, 0); + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + Retries++; + } + } + + overshoot_seen = 1; + } + /* Frame is too small */ + else { + if (cpi->mb.zbin_over_quant == 0) { + /* Lower q_high if not using over quant */ + q_high = (Q > q_low) ? (Q - 1) : q_low; + } else { + /* else lower zbin_oq_high */ + zbin_oq_high = (cpi->mb.zbin_over_quant > zbin_oq_low) + ? (cpi->mb.zbin_over_quant - 1) + : zbin_oq_low; + } + + if (overshoot_seen) { + /* Update rate_correction_factor unless + * cpi->active_worst_quality has changed. + */ + if (!active_worst_qchanged) { + vp8_update_rate_correction_factors(cpi, 1); + } + + Q = (q_high + q_low) / 2; + + /* Adjust cpi->zbin_over_quant (only allowed when Q + * is max) + */ + if (Q < MAXQ) { + cpi->mb.zbin_over_quant = 0; + } else { + cpi->mb.zbin_over_quant = (zbin_oq_high + zbin_oq_low) / 2; + } + } else { + /* Update rate_correction_factor unless + * cpi->active_worst_quality has changed. + */ + if (!active_worst_qchanged) { + vp8_update_rate_correction_factors(cpi, 0); + } + + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + + /* Special case reset for qlow for constrained quality. + * This should only trigger where there is very substantial + * undershoot on a frame and the auto cq level is above + * the user passsed in value. + */ + if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) && + (Q < q_low)) { + q_low = Q; + } + + while (((Q > q_high) || (cpi->mb.zbin_over_quant > zbin_oq_high)) && + (Retries < 10)) { + vp8_update_rate_correction_factors(cpi, 0); + Q = vp8_regulate_q(cpi, cpi->this_frame_target); + Retries++; + } + } + + undershoot_seen = 1; + } + + /* Clamp Q to upper and lower limits: */ + if (Q > q_high) { + Q = q_high; + } else if (Q < q_low) { + Q = q_low; + } + + /* Clamp cpi->zbin_over_quant */ + cpi->mb.zbin_over_quant = + (cpi->mb.zbin_over_quant < zbin_oq_low) ? zbin_oq_low + : (cpi->mb.zbin_over_quant > zbin_oq_high) ? zbin_oq_high + : cpi->mb.zbin_over_quant; + + Loop = Q != last_q; + } else { + Loop = 0; + } +#endif // CONFIG_REALTIME_ONLY + + if (cpi->is_src_frame_alt_ref) Loop = 0; + + if (Loop == 1) { + vp8_restore_coding_context(cpi); +#if CONFIG_INTERNAL_STATS + cpi->tot_recode_hits++; +#endif + } + } while (Loop == 1); + +#if defined(DROP_UNCODED_FRAMES) + /* if there are no coded macroblocks at all drop this frame */ + if (cpi->common.MBs == cpi->mb.skip_true_count && + (cpi->drop_frame_count & 7) != 7 && cm->frame_type != KEY_FRAME) { + cpi->common.current_video_frame++; + cpi->frames_since_key++; + cpi->drop_frame_count++; + cpi->ext_refresh_frame_flags_pending = 0; + // We advance the temporal pattern for dropped frames. + cpi->temporal_pattern_counter++; + return; + } + cpi->drop_frame_count = 0; +#endif + +#if 0 + /* Experimental code for lagged and one pass + * Update stats used for one pass GF selection + */ + { + cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_coded_error = (double)cpi->prediction_error; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_intra_error = (double)cpi->intra_error; + cpi->one_pass_frame_stats[cpi->one_pass_frame_index].frame_pcnt_inter = (double)(100 - cpi->this_frame_percent_intra) / 100.0; + } +#endif + + /* Special case code to reduce pulsing when key frames are forced at a + * fixed interval. Note the reconstruction error if it is the frame before + * the force key frame + */ + if (cpi->next_key_frame_forced && (cpi->twopass.frames_to_key == 0)) { + cpi->ambient_err = + vp8_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); + } + +/* This frame's MVs are saved and will be used in next frame's MV predictor. + * Last frame has one more line(add to bottom) and one more column(add to + * right) than cm->mip. The edge elements are initialized to 0. + */ +#if CONFIG_MULTI_RES_ENCODING + if (!cpi->oxcf.mr_encoder_id && cm->show_frame) +#else + if (cm->show_frame) /* do not save for altref frame */ +#endif + { + int mb_row; + int mb_col; + /* Point to beginning of allocated MODE_INFO arrays. */ + MODE_INFO *tmp = cm->mip; + + if (cm->frame_type != KEY_FRAME) { + for (mb_row = 0; mb_row < cm->mb_rows + 1; ++mb_row) { + for (mb_col = 0; mb_col < cm->mb_cols + 1; ++mb_col) { + if (tmp->mbmi.ref_frame != INTRA_FRAME) { + cpi->lfmv[mb_col + mb_row * (cm->mode_info_stride + 1)].as_int = + tmp->mbmi.mv.as_int; + } + + cpi->lf_ref_frame_sign_bias[mb_col + + mb_row * (cm->mode_info_stride + 1)] = + cm->ref_frame_sign_bias[tmp->mbmi.ref_frame]; + cpi->lf_ref_frame[mb_col + mb_row * (cm->mode_info_stride + 1)] = + tmp->mbmi.ref_frame; + tmp++; + } + } + } + } + + /* Count last ref frame 0,0 usage on current encoded frame. */ + { + int mb_row; + int mb_col; + /* Point to beginning of MODE_INFO arrays. */ + MODE_INFO *tmp = cm->mi; + + cpi->zeromv_count = 0; + + if (cm->frame_type != KEY_FRAME) { + for (mb_row = 0; mb_row < cm->mb_rows; ++mb_row) { + for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) { + if (tmp->mbmi.mode == ZEROMV && tmp->mbmi.ref_frame == LAST_FRAME) { + cpi->zeromv_count++; + } + tmp++; + } + tmp++; + } + } + } + +#if CONFIG_MULTI_RES_ENCODING + vp8_cal_dissimilarity(cpi); +#endif + + /* Update the GF usage maps. + * This is done after completing the compression of a frame when all + * modes etc. are finalized but before loop filter + */ + if (cpi->oxcf.number_of_layers == 1) { + vp8_update_gf_usage_maps(cpi, cm, &cpi->mb); + } + + if (cm->frame_type == KEY_FRAME) cm->refresh_last_frame = 1; + +#if 0 + { + FILE *f = fopen("gfactive.stt", "a"); + fprintf(f, "%8d %8d %8d %8d %8d\n", cm->current_video_frame, (100 * cpi->gf_active_count) / (cpi->common.mb_rows * cpi->common.mb_cols), cpi->this_iiratio, cpi->next_iiratio, cm->refresh_golden_frame); + fclose(f); + } +#endif + + /* For inter frames the current default behavior is that when + * cm->refresh_golden_frame is set we copy the old GF over to the ARF buffer + * This is purely an encoder decision at present. + * Avoid this behavior when refresh flags are set by the user. + */ + if (!cpi->oxcf.error_resilient_mode && cm->refresh_golden_frame && + !cpi->ext_refresh_frame_flags_pending) { + cm->copy_buffer_to_arf = 2; + } else { + cm->copy_buffer_to_arf = 0; + } + + cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; + +#if CONFIG_TEMPORAL_DENOISING + // Get some measure of the amount of noise, by measuring the (partial) mse + // between source and denoised buffer, for y channel. Partial refers to + // computing the sse for a sub-sample of the frame (i.e., skip x blocks along + // row/column), + // and only for blocks in that set that are consecutive ZEROMV_LAST mode. + // Do this every ~8 frames, to further reduce complexity. + // TODO(marpan): Keep this for now for the case cpi->oxcf.noise_sensitivity < + // 4, + // should be removed in favor of the process_denoiser_mode_change() function + // below. + if (cpi->oxcf.noise_sensitivity > 0 && cpi->oxcf.noise_sensitivity < 4 && + !cpi->oxcf.screen_content_mode && cpi->frames_since_key % 8 == 0 && + cm->frame_type != KEY_FRAME) { + cpi->mse_source_denoised = measure_square_diff_partial( + &cpi->denoiser.yv12_running_avg[INTRA_FRAME], cpi->Source, cpi); + } + + // For the adaptive denoising mode (noise_sensitivity == 4), sample the mse + // of source diff (between current and previous frame), and determine if we + // should switch the denoiser mode. Sampling refers to computing the mse for + // a sub-sample of the frame (i.e., skip x blocks along row/column), and + // only for blocks in that set that have used ZEROMV LAST, along with some + // constraint on the sum diff between blocks. This process is called every + // ~8 frames, to further reduce complexity. + if (cpi->oxcf.noise_sensitivity == 4 && !cpi->oxcf.screen_content_mode && + cpi->frames_since_key % 8 == 0 && cm->frame_type != KEY_FRAME) { + process_denoiser_mode_change(cpi); + } +#endif + +#ifdef OUTPUT_YUV_SKINMAP + if (cpi->common.current_video_frame > 1) { + vp8_compute_skin_map(cpi, yuv_skinmap_file); + } +#endif + +#if CONFIG_MULTITHREAD + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded)) { + /* start loopfilter in separate thread */ + sem_post(&cpi->h_event_start_lpf); + cpi->b_lpf_running = 1; + /* wait for the filter_level to be picked so that we can continue with + * stream packing */ + sem_wait(&cpi->h_event_end_lpf); + } else +#endif + { + vp8_loopfilter_frame(cpi, cm); + } + + update_reference_frames(cpi); + +#ifdef OUTPUT_YUV_DENOISED + vpx_write_yuv_frame(yuv_denoised_file, + &cpi->denoiser.yv12_running_avg[INTRA_FRAME]); +#endif + +#if !(CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING) + if (cpi->oxcf.error_resilient_mode) { + cm->refresh_entropy_probs = 0; + } +#endif + + /* build the bitstream */ + vp8_pack_bitstream(cpi, dest, dest_end, size); + + /* Move storing frame_type out of the above loop since it is also + * needed in motion search besides loopfilter */ + cm->last_frame_type = cm->frame_type; + + /* Update rate control heuristics */ + cpi->total_byte_count += (*size); + cpi->projected_frame_size = (int)(*size) << 3; + + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + for (i = cpi->current_layer + 1; i < cpi->oxcf.number_of_layers; ++i) { + cpi->layer_context[i].total_byte_count += (*size); + } + } + + if (!active_worst_qchanged) vp8_update_rate_correction_factors(cpi, 2); + + cpi->last_q[cm->frame_type] = cm->base_qindex; + + if (cm->frame_type == KEY_FRAME) { + vp8_adjust_key_frame_context(cpi); + } + + /* Keep a record of ambient average Q. */ + if (cm->frame_type != KEY_FRAME) { + cpi->avg_frame_qindex = + (2 + 3 * cpi->avg_frame_qindex + cm->base_qindex) >> 2; + } + + /* Keep a record from which we can calculate the average Q excluding + * GF updates and key frames + */ + if ((cm->frame_type != KEY_FRAME) && + ((cpi->oxcf.number_of_layers > 1) || + (!cm->refresh_golden_frame && !cm->refresh_alt_ref_frame))) { + cpi->ni_frames++; + + /* Calculate the average Q for normal inter frames (not key or GFU + * frames). + */ + if (cpi->pass == 2) { + cpi->ni_tot_qi += Q; + cpi->ni_av_qi = (cpi->ni_tot_qi / cpi->ni_frames); + } else { + /* Damp value for first few frames */ + if (cpi->ni_frames > 150) { + cpi->ni_tot_qi += Q; + cpi->ni_av_qi = (cpi->ni_tot_qi / cpi->ni_frames); + } + /* For one pass, early in the clip ... average the current frame Q + * value with the worstq entered by the user as a dampening measure + */ + else { + cpi->ni_tot_qi += Q; + cpi->ni_av_qi = + ((cpi->ni_tot_qi / cpi->ni_frames) + cpi->worst_quality + 1) / 2; + } + + /* If the average Q is higher than what was used in the last + * frame (after going through the recode loop to keep the frame + * size within range) then use the last frame value - 1. The -1 + * is designed to stop Q and hence the data rate, from + * progressively falling away during difficult sections, but at + * the same time reduce the number of iterations around the + * recode loop. + */ + if (Q > cpi->ni_av_qi) cpi->ni_av_qi = Q - 1; + } + } + + /* Update the buffer level variable. */ + /* Non-viewable frames are a special case and are treated as pure overhead. */ + if (!cm->show_frame) { + cpi->bits_off_target -= cpi->projected_frame_size; + } else { + cpi->bits_off_target += + cpi->av_per_frame_bandwidth - cpi->projected_frame_size; + } + + /* Clip the buffer level to the maximum specified buffer size */ + if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size) { + cpi->bits_off_target = cpi->oxcf.maximum_buffer_size; + } + + // Don't let the buffer level go below some threshold, given here + // by -|maximum_buffer_size|. For now we only do this for + // screen content input. + if (cpi->oxcf.screen_content_mode && + cpi->bits_off_target < -cpi->oxcf.maximum_buffer_size) { + cpi->bits_off_target = -cpi->oxcf.maximum_buffer_size; + } + + /* Rolling monitors of whether we are over or underspending used to + * help regulate min and Max Q in two pass. + */ + cpi->rolling_target_bits = (int)ROUND64_POWER_OF_TWO( + (int64_t)cpi->rolling_target_bits * 3 + cpi->this_frame_target, 2); + cpi->rolling_actual_bits = (int)ROUND64_POWER_OF_TWO( + (int64_t)cpi->rolling_actual_bits * 3 + cpi->projected_frame_size, 2); + cpi->long_rolling_target_bits = (int)ROUND64_POWER_OF_TWO( + (int64_t)cpi->long_rolling_target_bits * 31 + cpi->this_frame_target, 5); + cpi->long_rolling_actual_bits = (int)ROUND64_POWER_OF_TWO( + (int64_t)cpi->long_rolling_actual_bits * 31 + cpi->projected_frame_size, + 5); + + /* Actual bits spent */ + cpi->total_actual_bits += cpi->projected_frame_size; + +#if 0 && CONFIG_INTERNAL_STATS + /* Debug stats */ + cpi->total_target_vs_actual += + (cpi->this_frame_target - cpi->projected_frame_size); +#endif + + cpi->buffer_level = cpi->bits_off_target; + + /* Propagate values to higher temporal layers */ + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + + for (i = cpi->current_layer + 1; i < cpi->oxcf.number_of_layers; ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + int bits_off_for_this_layer = (int)round( + lc->target_bandwidth / lc->framerate - cpi->projected_frame_size); + + lc->bits_off_target += bits_off_for_this_layer; + + /* Clip buffer level to maximum buffer size for the layer */ + if (lc->bits_off_target > lc->maximum_buffer_size) { + lc->bits_off_target = lc->maximum_buffer_size; + } + + lc->total_actual_bits += cpi->projected_frame_size; + lc->total_target_vs_actual += bits_off_for_this_layer; + lc->buffer_level = lc->bits_off_target; + } + } + + /* Update bits left to the kf and gf groups to account for overshoot + * or undershoot on these frames + */ + if (cm->frame_type == KEY_FRAME) { + cpi->twopass.kf_group_bits += + cpi->this_frame_target - cpi->projected_frame_size; + + if (cpi->twopass.kf_group_bits < 0) cpi->twopass.kf_group_bits = 0; + } else if (cm->refresh_golden_frame || cm->refresh_alt_ref_frame) { + cpi->twopass.gf_group_bits += + cpi->this_frame_target - cpi->projected_frame_size; + + if (cpi->twopass.gf_group_bits < 0) cpi->twopass.gf_group_bits = 0; + } + + if (cm->frame_type != KEY_FRAME) { + if (cpi->common.refresh_alt_ref_frame) { + cpi->last_skip_false_probs[2] = cpi->prob_skip_false; + cpi->last_skip_probs_q[2] = cm->base_qindex; + } else if (cpi->common.refresh_golden_frame) { + cpi->last_skip_false_probs[1] = cpi->prob_skip_false; + cpi->last_skip_probs_q[1] = cm->base_qindex; + } else { + cpi->last_skip_false_probs[0] = cpi->prob_skip_false; + cpi->last_skip_probs_q[0] = cm->base_qindex; + + /* update the baseline */ + cpi->base_skip_false_prob[cm->base_qindex] = cpi->prob_skip_false; + } + } + +#if 0 && CONFIG_INTERNAL_STATS + { + FILE *f = fopen("tmp.stt", "a"); + + vpx_clear_system_state(); + + if (cpi->twopass.total_left_stats.coded_error != 0.0) + fprintf(f, "%10d %10d %10d %10d %10d %10"PRId64" %10"PRId64 + "%10"PRId64" %10d %6d %6d %6d %6d %5d %5d %5d %8d " + "%8.2lf %"PRId64" %10.3lf %10"PRId64" %8d\n", + cpi->common.current_video_frame, cpi->this_frame_target, + cpi->projected_frame_size, + (cpi->projected_frame_size - cpi->this_frame_target), + cpi->total_target_vs_actual, + cpi->buffer_level, + (cpi->oxcf.starting_buffer_level-cpi->bits_off_target), + cpi->total_actual_bits, cm->base_qindex, + cpi->active_best_quality, cpi->active_worst_quality, + cpi->ni_av_qi, cpi->cq_target_quality, + cm->refresh_golden_frame, cm->refresh_alt_ref_frame, + cm->frame_type, cpi->gfu_boost, + cpi->twopass.est_max_qcorrection_factor, + cpi->twopass.bits_left, + cpi->twopass.total_left_stats.coded_error, + (double)cpi->twopass.bits_left / + cpi->twopass.total_left_stats.coded_error, + cpi->tot_recode_hits); + else + fprintf(f, "%10d %10d %10d %10d %10d %10"PRId64" %10"PRId64 + "%10"PRId64" %10d %6d %6d %6d %6d %5d %5d %5d %8d " + "%8.2lf %"PRId64" %10.3lf %8d\n", + cpi->common.current_video_frame, cpi->this_frame_target, + cpi->projected_frame_size, + (cpi->projected_frame_size - cpi->this_frame_target), + cpi->total_target_vs_actual, + cpi->buffer_level, + (cpi->oxcf.starting_buffer_level-cpi->bits_off_target), + cpi->total_actual_bits, cm->base_qindex, + cpi->active_best_quality, cpi->active_worst_quality, + cpi->ni_av_qi, cpi->cq_target_quality, + cm->refresh_golden_frame, cm->refresh_alt_ref_frame, + cm->frame_type, cpi->gfu_boost, + cpi->twopass.est_max_qcorrection_factor, + cpi->twopass.bits_left, + cpi->twopass.total_left_stats.coded_error, + cpi->tot_recode_hits); + + fclose(f); + + { + FILE *fmodes = fopen("Modes.stt", "a"); + + fprintf(fmodes, "%6d:%1d:%1d:%1d ", + cpi->common.current_video_frame, + cm->frame_type, cm->refresh_golden_frame, + cm->refresh_alt_ref_frame); + + fprintf(fmodes, "\n"); + + fclose(fmodes); + } + } + +#endif + + cpi->ext_refresh_frame_flags_pending = 0; + + if (cm->refresh_golden_frame == 1) { + cm->frame_flags = cm->frame_flags | FRAMEFLAGS_GOLDEN; + } else { + cm->frame_flags = cm->frame_flags & ~FRAMEFLAGS_GOLDEN; + } + + if (cm->refresh_alt_ref_frame == 1) { + cm->frame_flags = cm->frame_flags | FRAMEFLAGS_ALTREF; + } else { + cm->frame_flags = cm->frame_flags & ~FRAMEFLAGS_ALTREF; + } + + if (cm->refresh_last_frame & cm->refresh_golden_frame) { /* both refreshed */ + cpi->gold_is_last = 1; + } else if (cm->refresh_last_frame ^ cm->refresh_golden_frame) { + /* 1 refreshed but not the other */ + cpi->gold_is_last = 0; + } + + if (cm->refresh_last_frame & cm->refresh_alt_ref_frame) { /* both refreshed */ + cpi->alt_is_last = 1; + } else if (cm->refresh_last_frame ^ cm->refresh_alt_ref_frame) { + /* 1 refreshed but not the other */ + cpi->alt_is_last = 0; + } + + if (cm->refresh_alt_ref_frame & + cm->refresh_golden_frame) { /* both refreshed */ + cpi->gold_is_alt = 1; + } else if (cm->refresh_alt_ref_frame ^ cm->refresh_golden_frame) { + /* 1 refreshed but not the other */ + cpi->gold_is_alt = 0; + } + + cpi->ref_frame_flags = VP8_ALTR_FRAME | VP8_GOLD_FRAME | VP8_LAST_FRAME; + + if (cpi->gold_is_last) cpi->ref_frame_flags &= ~VP8_GOLD_FRAME; + + if (cpi->alt_is_last) cpi->ref_frame_flags &= ~VP8_ALTR_FRAME; + + if (cpi->gold_is_alt) cpi->ref_frame_flags &= ~VP8_ALTR_FRAME; + + if (!cpi->oxcf.error_resilient_mode) { + if (cpi->oxcf.play_alternate && cm->refresh_alt_ref_frame && + (cm->frame_type != KEY_FRAME)) { + /* Update the alternate reference frame stats as appropriate. */ + update_alt_ref_frame_stats(cpi); + } else { + /* Update the Golden frame stats as appropriate. */ + update_golden_frame_stats(cpi); + } + } + + if (cm->frame_type == KEY_FRAME) { + /* Tell the caller that the frame was coded as a key frame */ + *frame_flags = cm->frame_flags | FRAMEFLAGS_KEY; + + /* As this frame is a key frame the next defaults to an inter frame. */ + cm->frame_type = INTER_FRAME; + + cpi->last_frame_percent_intra = 100; + } else { + *frame_flags = cm->frame_flags & ~FRAMEFLAGS_KEY; + + cpi->last_frame_percent_intra = cpi->this_frame_percent_intra; + } + + /* Clear the one shot update flags for segmentation map and mode/ref + * loop filter deltas. + */ + cpi->mb.e_mbd.update_mb_segmentation_map = 0; + cpi->mb.e_mbd.update_mb_segmentation_data = 0; + cpi->mb.e_mbd.mode_ref_lf_delta_update = 0; + + /* Don't increment frame counters if this was an altref buffer update + * not a real frame + */ + if (cm->show_frame) { + cm->current_video_frame++; + cpi->frames_since_key++; + cpi->temporal_pattern_counter++; + } + +#if 0 + { + char filename[512]; + FILE *recon_file; + sprintf(filename, "enc%04d.yuv", (int) cm->current_video_frame); + recon_file = fopen(filename, "wb"); + fwrite(cm->yv12_fb[cm->lst_fb_idx].buffer_alloc, + cm->yv12_fb[cm->lst_fb_idx].frame_size, 1, recon_file); + fclose(recon_file); + } +#endif + + /* DEBUG */ + /* vpx_write_yuv_frame("encoder_recon.yuv", cm->frame_to_show); */ +} +#if !CONFIG_REALTIME_ONLY +static void Pass2Encode(VP8_COMP *cpi, size_t *size, unsigned char *dest, + unsigned char *dest_end, unsigned int *frame_flags) { + if (!cpi->common.refresh_alt_ref_frame) vp8_second_pass(cpi); + + encode_frame_to_data_rate(cpi, size, dest, dest_end, frame_flags); + cpi->twopass.bits_left -= 8 * (int)(*size); + + if (!cpi->common.refresh_alt_ref_frame) { + double two_pass_min_rate = + (double)(cpi->oxcf.target_bandwidth * + cpi->oxcf.two_pass_vbrmin_section / 100); + cpi->twopass.bits_left += (int64_t)(two_pass_min_rate / cpi->framerate); + } +} +#endif + +int vp8_receive_raw_frame(VP8_COMP *cpi, unsigned int frame_flags, + YV12_BUFFER_CONFIG *sd, int64_t time_stamp, + int64_t end_time) { + struct vpx_usec_timer timer; + int res = 0; + + vpx_usec_timer_start(&timer); + + /* Reinit the lookahead buffer if the frame size changes */ + if (sd->y_width != cpi->oxcf.Width || sd->y_height != cpi->oxcf.Height) { + assert(cpi->oxcf.lag_in_frames < 2); + dealloc_raw_frame_buffers(cpi); + alloc_raw_frame_buffers(cpi); + } + + if (vp8_lookahead_push(cpi->lookahead, sd, time_stamp, end_time, frame_flags, + cpi->active_map_enabled ? cpi->active_map : NULL)) { + res = -1; + } + vpx_usec_timer_mark(&timer); + cpi->time_receive_data += vpx_usec_timer_elapsed(&timer); + + return res; +} + +static int frame_is_reference(const VP8_COMP *cpi) { + const VP8_COMMON *cm = &cpi->common; + const MACROBLOCKD *xd = &cpi->mb.e_mbd; + + return cm->frame_type == KEY_FRAME || cm->refresh_last_frame || + cm->refresh_golden_frame || cm->refresh_alt_ref_frame || + cm->copy_buffer_to_gf || cm->copy_buffer_to_arf || + cm->refresh_entropy_probs || xd->mode_ref_lf_delta_update || + xd->update_mb_segmentation_map || xd->update_mb_segmentation_data; +} + +int vp8_get_compressed_data(VP8_COMP *cpi, unsigned int *frame_flags, + size_t *size, unsigned char *dest, + unsigned char *dest_end, int64_t *time_stamp, + int64_t *time_end, int flush) { + VP8_COMMON *cm; + struct vpx_usec_timer tsctimer; + struct vpx_usec_timer ticktimer; + struct vpx_usec_timer cmptimer; + YV12_BUFFER_CONFIG *force_src_buffer = NULL; + + if (!cpi) return -1; + + cm = &cpi->common; + + vpx_usec_timer_start(&cmptimer); + + cpi->source = NULL; + +#if !CONFIG_REALTIME_ONLY + /* Should we code an alternate reference frame */ + if (cpi->oxcf.error_resilient_mode == 0 && cpi->oxcf.play_alternate && + cpi->source_alt_ref_pending) { + if ((cpi->source = vp8_lookahead_peek( + cpi->lookahead, cpi->frames_till_gf_update_due, PEEK_FORWARD))) { + cpi->alt_ref_source = cpi->source; + if (cpi->oxcf.arnr_max_frames > 0) { + vp8_temporal_filter_prepare_c(cpi, cpi->frames_till_gf_update_due); + force_src_buffer = &cpi->alt_ref_buffer; + } + cpi->frames_till_alt_ref_frame = cpi->frames_till_gf_update_due; + cm->refresh_alt_ref_frame = 1; + cm->refresh_golden_frame = 0; + cm->refresh_last_frame = 0; + cm->show_frame = 0; + /* Clear Pending alt Ref flag. */ + cpi->source_alt_ref_pending = 0; + cpi->is_src_frame_alt_ref = 0; + } + } +#endif + + if (!cpi->source) { + /* Read last frame source if we are encoding first pass. */ + if (cpi->pass == 1 && cm->current_video_frame > 0) { + if ((cpi->last_source = + vp8_lookahead_peek(cpi->lookahead, 1, PEEK_BACKWARD)) == NULL) { + return -1; + } + } + + if ((cpi->source = vp8_lookahead_pop(cpi->lookahead, flush))) { + cm->show_frame = 1; + + cpi->is_src_frame_alt_ref = + cpi->alt_ref_source && (cpi->source == cpi->alt_ref_source); + + if (cpi->is_src_frame_alt_ref) cpi->alt_ref_source = NULL; + } + } + + if (cpi->source) { + cpi->Source = force_src_buffer ? force_src_buffer : &cpi->source->img; + cpi->un_scaled_source = cpi->Source; + *time_stamp = cpi->source->ts_start; + *time_end = cpi->source->ts_end; + *frame_flags = cpi->source->flags; + + if (cpi->pass == 1 && cm->current_video_frame > 0) { + cpi->last_frame_unscaled_source = &cpi->last_source->img; + } + } else { + *size = 0; +#if !CONFIG_REALTIME_ONLY + + if (flush && cpi->pass == 1 && !cpi->twopass.first_pass_done) { + vp8_end_first_pass(cpi); /* get last stats packet */ + cpi->twopass.first_pass_done = 1; + } + +#endif + + return -1; + } + + if (cpi->source->ts_start < cpi->first_time_stamp_ever) { + cpi->first_time_stamp_ever = cpi->source->ts_start; + cpi->last_end_time_stamp_seen = cpi->source->ts_start; + } + + /* adjust frame rates based on timestamps given */ + if (cm->show_frame) { + int64_t this_duration; + int step = 0; + + if (cpi->source->ts_start == cpi->first_time_stamp_ever) { + this_duration = cpi->source->ts_end - cpi->source->ts_start; + step = 1; + } else { + int64_t last_duration; + + this_duration = cpi->source->ts_end - cpi->last_end_time_stamp_seen; + last_duration = cpi->last_end_time_stamp_seen - cpi->last_time_stamp_seen; + // Cap this to avoid overflow of (this_duration - last_duration) * 10 + this_duration = VPXMIN(this_duration, INT64_MAX / 10); + /* do a step update if the duration changes by 10% */ + if (last_duration) { + step = (int)(((this_duration - last_duration) * 10 / last_duration)); + } + } + + if (this_duration) { + if (step) { + cpi->ref_framerate = 10000000.0 / this_duration; + } else { + double avg_duration, interval; + + /* Average this frame's rate into the last second's average + * frame rate. If we haven't seen 1 second yet, then average + * over the whole interval seen. + */ + interval = (double)(cpi->source->ts_end - cpi->first_time_stamp_ever); + if (interval > 10000000.0) interval = 10000000; + + avg_duration = 10000000.0 / cpi->ref_framerate; + avg_duration *= (interval - avg_duration + this_duration); + avg_duration /= interval; + + cpi->ref_framerate = 10000000.0 / avg_duration; + } +#if CONFIG_MULTI_RES_ENCODING + if (cpi->oxcf.mr_total_resolutions > 1) { + LOWER_RES_FRAME_INFO *low_res_frame_info = + (LOWER_RES_FRAME_INFO *)cpi->oxcf.mr_low_res_mode_info; + // Frame rate should be the same for all spatial layers in + // multi-res-encoding (simulcast), so we constrain the frame for + // higher layers to be that of lowest resolution. This is needed + // as he application may decide to skip encoding a high layer and + // then start again, in which case a big jump in time-stamps will + // be received for that high layer, which will yield an incorrect + // frame rate (from time-stamp adjustment in above calculation). + if (cpi->oxcf.mr_encoder_id) { + if (!low_res_frame_info->skip_encoding_base_stream) + cpi->ref_framerate = low_res_frame_info->low_res_framerate; + } else { + // Keep track of frame rate for lowest resolution. + low_res_frame_info->low_res_framerate = cpi->ref_framerate; + // The base stream is being encoded so set skip flag to 0. + low_res_frame_info->skip_encoding_base_stream = 0; + } + } +#endif + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + + /* Update frame rates for each layer */ + assert(cpi->oxcf.number_of_layers <= VPX_TS_MAX_LAYERS); + for (i = 0; i < cpi->oxcf.number_of_layers && i < VPX_TS_MAX_LAYERS; + ++i) { + LAYER_CONTEXT *lc = &cpi->layer_context[i]; + lc->framerate = cpi->ref_framerate / cpi->oxcf.rate_decimator[i]; + } + } else { + vp8_new_framerate(cpi, cpi->ref_framerate); + } + } + + cpi->last_time_stamp_seen = cpi->source->ts_start; + cpi->last_end_time_stamp_seen = cpi->source->ts_end; + } + + if (cpi->oxcf.number_of_layers > 1) { + int layer; + + vp8_update_layer_contexts(cpi); + + /* Restore layer specific context & set frame rate */ + if (cpi->temporal_layer_id >= 0) { + layer = cpi->temporal_layer_id; + } else { + layer = + cpi->oxcf + .layer_id[cpi->temporal_pattern_counter % cpi->oxcf.periodicity]; + } + vp8_restore_layer_context(cpi, layer); + vp8_new_framerate(cpi, cpi->layer_context[layer].framerate); + } + + if (cpi->compressor_speed == 2) { + vpx_usec_timer_start(&tsctimer); + vpx_usec_timer_start(&ticktimer); + } + + cpi->lf_zeromv_pct = (cpi->zeromv_count * 100) / cm->MBs; + +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + { + int i; + const int num_part = (1 << cm->multi_token_partition); + /* the available bytes in dest */ + const unsigned long dest_size = dest_end - dest; + const int tok_part_buff_size = (dest_size * 9) / (10 * num_part); + + unsigned char *dp = dest; + + cpi->partition_d[0] = dp; + dp += dest_size / 10; /* reserve 1/10 for control partition */ + cpi->partition_d_end[0] = dp; + + for (i = 0; i < num_part; ++i) { + cpi->partition_d[i + 1] = dp; + dp += tok_part_buff_size; + cpi->partition_d_end[i + 1] = dp; + } + } +#endif + + /* start with a 0 size frame */ + *size = 0; + + /* Clear down mmx registers */ + vpx_clear_system_state(); + + cm->frame_type = INTER_FRAME; + cm->frame_flags = *frame_flags; + +#if 0 + + if (cm->refresh_alt_ref_frame) + { + cm->refresh_golden_frame = 0; + cm->refresh_last_frame = 0; + } + else + { + cm->refresh_golden_frame = 0; + cm->refresh_last_frame = 1; + } + +#endif + /* find a free buffer for the new frame */ + { + int i = 0; + for (; i < NUM_YV12_BUFFERS; ++i) { + if (!cm->yv12_fb[i].flags) { + cm->new_fb_idx = i; + break; + } + } + + assert(i < NUM_YV12_BUFFERS); + } + switch (cpi->pass) { +#if !CONFIG_REALTIME_ONLY + case 1: Pass1Encode(cpi); break; + case 2: Pass2Encode(cpi, size, dest, dest_end, frame_flags); break; +#endif // !CONFIG_REALTIME_ONLY + default: + encode_frame_to_data_rate(cpi, size, dest, dest_end, frame_flags); + break; + } + + if (cpi->compressor_speed == 2) { + unsigned int duration, duration2; + vpx_usec_timer_mark(&tsctimer); + vpx_usec_timer_mark(&ticktimer); + + duration = (int)(vpx_usec_timer_elapsed(&ticktimer)); + duration2 = (unsigned int)((double)duration / 2); + + if (cm->frame_type != KEY_FRAME) { + if (cpi->avg_encode_time == 0) { + cpi->avg_encode_time = duration; + } else { + cpi->avg_encode_time = (7 * cpi->avg_encode_time + duration) >> 3; + } + } + + if (duration2) { + { + if (cpi->avg_pick_mode_time == 0) { + cpi->avg_pick_mode_time = duration2; + } else { + cpi->avg_pick_mode_time = + (7 * cpi->avg_pick_mode_time + duration2) >> 3; + } + } + } + } + + if (cm->refresh_entropy_probs == 0) { + memcpy(&cm->fc, &cm->lfc, sizeof(cm->fc)); + } + + /* Save the contexts separately for alt ref, gold and last. */ + /* (TODO jbb -> Optimize this with pointers to avoid extra copies. ) */ + if (cm->refresh_alt_ref_frame) memcpy(&cpi->lfc_a, &cm->fc, sizeof(cm->fc)); + + if (cm->refresh_golden_frame) memcpy(&cpi->lfc_g, &cm->fc, sizeof(cm->fc)); + + if (cm->refresh_last_frame) memcpy(&cpi->lfc_n, &cm->fc, sizeof(cm->fc)); + + /* if it's a dropped frame honor the requests on subsequent frames */ + if (*size > 0) { + cpi->droppable = !frame_is_reference(cpi); + + /* return to normal state */ + cm->refresh_entropy_probs = 1; + cm->refresh_alt_ref_frame = 0; + cm->refresh_golden_frame = 0; + cm->refresh_last_frame = 1; + cm->frame_type = INTER_FRAME; + } + + /* Save layer specific state */ + if (cpi->oxcf.number_of_layers > 1) vp8_save_layer_context(cpi); + + vpx_usec_timer_mark(&cmptimer); + cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer); + + if (cpi->b_calculate_psnr && cpi->pass != 1 && cm->show_frame) { + generate_psnr_packet(cpi); + } + +#if CONFIG_INTERNAL_STATS + + if (cpi->pass != 1) { + cpi->bytes += *size; + + if (cm->show_frame) { + cpi->common.show_frame_mi = cpi->common.mi; + cpi->count++; + + if (cpi->b_calculate_psnr) { + uint64_t ye, ue, ve; + double frame_psnr; + YV12_BUFFER_CONFIG *orig = cpi->Source; + YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show; + unsigned int y_width = cpi->common.Width; + unsigned int y_height = cpi->common.Height; + unsigned int uv_width = (y_width + 1) / 2; + unsigned int uv_height = (y_height + 1) / 2; + int y_samples = y_height * y_width; + int uv_samples = uv_height * uv_width; + int t_samples = y_samples + 2 * uv_samples; + double sq_error; + + ye = calc_plane_error(orig->y_buffer, orig->y_stride, recon->y_buffer, + recon->y_stride, y_width, y_height); + + ue = calc_plane_error(orig->u_buffer, orig->uv_stride, recon->u_buffer, + recon->uv_stride, uv_width, uv_height); + + ve = calc_plane_error(orig->v_buffer, orig->uv_stride, recon->v_buffer, + recon->uv_stride, uv_width, uv_height); + + sq_error = (double)(ye + ue + ve); + + frame_psnr = vpx_sse_to_psnr(t_samples, 255.0, sq_error); + + cpi->total_y += vpx_sse_to_psnr(y_samples, 255.0, (double)ye); + cpi->total_u += vpx_sse_to_psnr(uv_samples, 255.0, (double)ue); + cpi->total_v += vpx_sse_to_psnr(uv_samples, 255.0, (double)ve); + cpi->total_sq_error += sq_error; + cpi->total += frame_psnr; +#if CONFIG_POSTPROC + { + YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer; + double sq_error2; + double frame_psnr2, frame_ssim2 = 0; + double weight = 0; + + vp8_deblock(cm, cm->frame_to_show, &cm->post_proc_buffer, + cm->filter_level * 10 / 6); + vpx_clear_system_state(); + + ye = calc_plane_error(orig->y_buffer, orig->y_stride, pp->y_buffer, + pp->y_stride, y_width, y_height); + + ue = calc_plane_error(orig->u_buffer, orig->uv_stride, pp->u_buffer, + pp->uv_stride, uv_width, uv_height); + + ve = calc_plane_error(orig->v_buffer, orig->uv_stride, pp->v_buffer, + pp->uv_stride, uv_width, uv_height); + + sq_error2 = (double)(ye + ue + ve); + + frame_psnr2 = vpx_sse_to_psnr(t_samples, 255.0, sq_error2); + + cpi->totalp_y += vpx_sse_to_psnr(y_samples, 255.0, (double)ye); + cpi->totalp_u += vpx_sse_to_psnr(uv_samples, 255.0, (double)ue); + cpi->totalp_v += vpx_sse_to_psnr(uv_samples, 255.0, (double)ve); + cpi->total_sq_error2 += sq_error2; + cpi->totalp += frame_psnr2; + + frame_ssim2 = + vpx_calc_ssim(cpi->Source, &cm->post_proc_buffer, &weight); + + cpi->summed_quality += frame_ssim2 * weight; + cpi->summed_weights += weight; + + if (cpi->oxcf.number_of_layers > 1) { + unsigned int i; + + for (i = cpi->current_layer; i < cpi->oxcf.number_of_layers; ++i) { + cpi->frames_in_layer[i]++; + + cpi->bytes_in_layer[i] += *size; + cpi->sum_psnr[i] += frame_psnr; + cpi->sum_psnr_p[i] += frame_psnr2; + cpi->total_error2[i] += sq_error; + cpi->total_error2_p[i] += sq_error2; + cpi->sum_ssim[i] += frame_ssim2 * weight; + cpi->sum_weights[i] += weight; + } + } + } +#endif + } + } + } + +#if 0 + + if (cpi->common.frame_type != 0 && cpi->common.base_qindex == cpi->oxcf.worst_allowed_q) + { + skiptruecount += cpi->skip_true_count; + skipfalsecount += cpi->skip_false_count; + } + +#endif +#if 0 + + if (cpi->pass != 1) + { + FILE *f = fopen("skip.stt", "a"); + fprintf(f, "frame:%4d flags:%4x Q:%4d P:%4d Size:%5d\n", cpi->common.current_video_frame, *frame_flags, cpi->common.base_qindex, cpi->prob_skip_false, *size); + + if (cpi->is_src_frame_alt_ref == 1) + fprintf(f, "skipcount: %4d framesize: %d\n", cpi->skip_true_count , *size); + + fclose(f); + } + +#endif +#endif + + cpi->common.error.setjmp = 0; + +#if CONFIG_MULTITHREAD + /* wait for the lpf thread done */ + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) && cpi->b_lpf_running) { + sem_wait(&cpi->h_event_end_lpf); + cpi->b_lpf_running = 0; + } +#endif + + return 0; +} + +int vp8_get_preview_raw_frame(VP8_COMP *cpi, YV12_BUFFER_CONFIG *dest, + vp8_ppflags_t *flags) { + if (cpi->common.refresh_alt_ref_frame) { + return -1; + } else { + int ret; + +#if CONFIG_POSTPROC + cpi->common.show_frame_mi = cpi->common.mi; + ret = vp8_post_proc_frame(&cpi->common, dest, flags); +#else + (void)flags; + + if (cpi->common.frame_to_show) { + *dest = *cpi->common.frame_to_show; + dest->y_width = cpi->common.Width; + dest->y_height = cpi->common.Height; + dest->uv_height = cpi->common.Height / 2; + ret = 0; + } else { + ret = -1; + } + +#endif + vpx_clear_system_state(); + return ret; + } +} + +int vp8_set_roimap(VP8_COMP *cpi, unsigned char *map, unsigned int rows, + unsigned int cols, int delta_q[4], int delta_lf[4], + unsigned int threshold[4]) { + signed char feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; + int internal_delta_q[MAX_MB_SEGMENTS]; + const int range = 63; + int i; + + // Check number of rows and columns match + if (cpi->common.mb_rows != (int)rows || cpi->common.mb_cols != (int)cols) { + return -1; + } + + for (i = 0; i < MAX_MB_SEGMENTS; ++i) { + // Note abs() alone can't be used as the behavior of abs(INT_MIN) is + // undefined. + if (delta_q[i] > range || delta_q[i] < -range || delta_lf[i] > range || + delta_lf[i] < -range) { + return -1; + } + } + + // Also disable segmentation if no deltas are specified. + if (!map || (delta_q[0] == 0 && delta_q[1] == 0 && delta_q[2] == 0 && + delta_q[3] == 0 && delta_lf[0] == 0 && delta_lf[1] == 0 && + delta_lf[2] == 0 && delta_lf[3] == 0 && threshold[0] == 0 && + threshold[1] == 0 && threshold[2] == 0 && threshold[3] == 0)) { + disable_segmentation(cpi); + return 0; + } + + // Translate the external delta q values to internal values. + for (i = 0; i < MAX_MB_SEGMENTS; ++i) { + internal_delta_q[i] = + (delta_q[i] >= 0) ? q_trans[delta_q[i]] : -q_trans[-delta_q[i]]; + } + + /* Set the segmentation Map */ + set_segmentation_map(cpi, map); + + /* Activate segmentation. */ + enable_segmentation(cpi); + + /* Set up the quant segment data */ + feature_data[MB_LVL_ALT_Q][0] = internal_delta_q[0]; + feature_data[MB_LVL_ALT_Q][1] = internal_delta_q[1]; + feature_data[MB_LVL_ALT_Q][2] = internal_delta_q[2]; + feature_data[MB_LVL_ALT_Q][3] = internal_delta_q[3]; + + /* Set up the loop segment data s */ + feature_data[MB_LVL_ALT_LF][0] = delta_lf[0]; + feature_data[MB_LVL_ALT_LF][1] = delta_lf[1]; + feature_data[MB_LVL_ALT_LF][2] = delta_lf[2]; + feature_data[MB_LVL_ALT_LF][3] = delta_lf[3]; + + cpi->segment_encode_breakout[0] = threshold[0]; + cpi->segment_encode_breakout[1] = threshold[1]; + cpi->segment_encode_breakout[2] = threshold[2]; + cpi->segment_encode_breakout[3] = threshold[3]; + + /* Initialise the feature data structure */ + set_segment_data(cpi, &feature_data[0][0], SEGMENT_DELTADATA); + + if (threshold[0] != 0 || threshold[1] != 0 || threshold[2] != 0 || + threshold[3] != 0) + cpi->use_roi_static_threshold = 1; + cpi->cyclic_refresh_mode_enabled = 0; + + return 0; +} + +int vp8_set_active_map(VP8_COMP *cpi, unsigned char *map, unsigned int rows, + unsigned int cols) { + if ((int)rows == cpi->common.mb_rows && (int)cols == cpi->common.mb_cols) { + if (map) { + memcpy(cpi->active_map, map, rows * cols); + cpi->active_map_enabled = 1; + } else { + cpi->active_map_enabled = 0; + } + + return 0; + } else { + return -1; + } +} + +int vp8_set_internal_size(VP8_COMP *cpi, VPX_SCALING_MODE horiz_mode, + VPX_SCALING_MODE vert_mode) { + if (horiz_mode <= VP8E_ONETWO) { + cpi->common.horiz_scale = horiz_mode; + } else { + return -1; + } + + if (vert_mode <= VP8E_ONETWO) { + cpi->common.vert_scale = vert_mode; + } else { + return -1; + } + + return 0; +} + +int vp8_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest) { + int i, j; + int Total = 0; + + unsigned char *src = source->y_buffer; + unsigned char *dst = dest->y_buffer; + + /* Loop through the Y plane raw and reconstruction data summing + * (square differences) + */ + for (i = 0; i < source->y_height; i += 16) { + for (j = 0; j < source->y_width; j += 16) { + unsigned int sse; + Total += vpx_mse16x16(src + j, source->y_stride, dst + j, dest->y_stride, + &sse); + } + + src += 16 * source->y_stride; + dst += 16 * dest->y_stride; + } + + return Total; +} + +int vp8_get_quantizer(VP8_COMP *cpi) { return cpi->common.base_qindex; } |