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Diffstat (limited to 'media/libvpx/libvpx/examples/vp8_multi_resolution_encoder.c')
| -rw-r--r-- | media/libvpx/libvpx/examples/vp8_multi_resolution_encoder.c | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/examples/vp8_multi_resolution_encoder.c b/media/libvpx/libvpx/examples/vp8_multi_resolution_encoder.c new file mode 100644 index 0000000000..62d96de557 --- /dev/null +++ b/media/libvpx/libvpx/examples/vp8_multi_resolution_encoder.c @@ -0,0 +1,666 @@ +/* + * 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. + */ + +/* + * This is an example demonstrating multi-resolution encoding in VP8. + * High-resolution input video is down-sampled to lower-resolutions. The + * encoder then encodes the video and outputs multiple bitstreams with + * different resolutions. + * + * This test also allows for settings temporal layers for each spatial layer. + * Different number of temporal layers per spatial stream may be used. + * Currently up to 3 temporal layers per spatial stream (encoder) are supported + * in this test. + */ + +#include "./vpx_config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <math.h> +#include <assert.h> +#include <sys/time.h> +#include "vpx_ports/vpx_timer.h" +#include "vpx/vpx_encoder.h" +#include "vpx/vp8cx.h" +#include "vpx_ports/mem_ops.h" +#include "../tools_common.h" +#define interface (vpx_codec_vp8_cx()) +#define fourcc 0x30385056 + +void usage_exit(void) { exit(EXIT_FAILURE); } + +/* + * The input video frame is downsampled several times to generate a multi-level + * hierarchical structure. NUM_ENCODERS is defined as the number of encoding + * levels required. For example, if the size of input video is 1280x720, + * NUM_ENCODERS is 3, and down-sampling factor is 2, the encoder outputs 3 + * bitstreams with resolution of 1280x720(level 0), 640x360(level 1), and + * 320x180(level 2) respectively. + */ + +/* Number of encoders (spatial resolutions) used in this test. */ +#define NUM_ENCODERS 3 + +/* Maximum number of temporal layers allowed for this test. */ +#define MAX_NUM_TEMPORAL_LAYERS 3 + +/* This example uses the scaler function in libyuv. */ +#include "third_party/libyuv/include/libyuv/basic_types.h" +#include "third_party/libyuv/include/libyuv/scale.h" +#include "third_party/libyuv/include/libyuv/cpu_id.h" + +int (*read_frame_p)(FILE *f, vpx_image_t *img); + +static int mulres_read_frame(FILE *f, vpx_image_t *img) { + size_t nbytes, to_read; + int res = 1; + + to_read = img->w * img->h * 3 / 2; + nbytes = fread(img->planes[0], 1, to_read, f); + if (nbytes != to_read) { + res = 0; + if (nbytes > 0) + printf("Warning: Read partial frame. Check your width & height!\n"); + } + return res; +} + +static int mulres_read_frame_by_row(FILE *f, vpx_image_t *img) { + size_t nbytes, to_read; + int res = 1; + int plane; + + for (plane = 0; plane < 3; plane++) { + unsigned char *ptr; + int w = (plane ? (1 + img->d_w) / 2 : img->d_w); + int h = (plane ? (1 + img->d_h) / 2 : img->d_h); + int r; + + /* Determine the correct plane based on the image format. The for-loop + * always counts in Y,U,V order, but this may not match the order of + * the data on disk. + */ + switch (plane) { + case 1: + ptr = img->planes[img->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V + : VPX_PLANE_U]; + break; + case 2: + ptr = img->planes[img->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U + : VPX_PLANE_V]; + break; + default: ptr = img->planes[plane]; + } + + for (r = 0; r < h; r++) { + to_read = w; + + nbytes = fread(ptr, 1, to_read, f); + if (nbytes != to_read) { + res = 0; + if (nbytes > 0) + printf("Warning: Read partial frame. Check your width & height!\n"); + break; + } + + ptr += img->stride[plane]; + } + if (!res) break; + } + + return res; +} + +static void write_ivf_file_header(FILE *outfile, const vpx_codec_enc_cfg_t *cfg, + int frame_cnt) { + char header[32]; + + if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS) return; + header[0] = 'D'; + header[1] = 'K'; + header[2] = 'I'; + header[3] = 'F'; + mem_put_le16(header + 4, 0); /* version */ + mem_put_le16(header + 6, 32); /* headersize */ + mem_put_le32(header + 8, fourcc); /* headersize */ + mem_put_le16(header + 12, cfg->g_w); /* width */ + mem_put_le16(header + 14, cfg->g_h); /* height */ + mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */ + mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */ + mem_put_le32(header + 24, frame_cnt); /* length */ + mem_put_le32(header + 28, 0); /* unused */ + + (void)fwrite(header, 1, 32, outfile); +} + +static void write_ivf_frame_header(FILE *outfile, + const vpx_codec_cx_pkt_t *pkt) { + char header[12]; + vpx_codec_pts_t pts; + + if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return; + + pts = pkt->data.frame.pts; + mem_put_le32(header, (int)pkt->data.frame.sz); + mem_put_le32(header + 4, pts & 0xFFFFFFFF); + mem_put_le32(header + 8, pts >> 32); + + (void)fwrite(header, 1, 12, outfile); +} + +/* Temporal scaling parameters */ +/* This sets all the temporal layer parameters given |num_temporal_layers|, + * including the target bit allocation across temporal layers. Bit allocation + * parameters will be passed in as user parameters in another version. + */ +static void set_temporal_layer_pattern(int num_temporal_layers, + vpx_codec_enc_cfg_t *cfg, int bitrate, + int *layer_flags) { + assert(num_temporal_layers <= MAX_NUM_TEMPORAL_LAYERS); + switch (num_temporal_layers) { + case 1: { + /* 1-layer */ + cfg->ts_number_layers = 1; + cfg->ts_periodicity = 1; + cfg->ts_rate_decimator[0] = 1; + cfg->ts_layer_id[0] = 0; + cfg->ts_target_bitrate[0] = bitrate; + + // Update L only. + layer_flags[0] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF; + break; + } + + case 2: { + /* 2-layers, with sync point at first frame of layer 1. */ + cfg->ts_number_layers = 2; + cfg->ts_periodicity = 2; + cfg->ts_rate_decimator[0] = 2; + cfg->ts_rate_decimator[1] = 1; + cfg->ts_layer_id[0] = 0; + cfg->ts_layer_id[1] = 1; + // Use 60/40 bit allocation as example. + cfg->ts_target_bitrate[0] = (int)(0.6f * bitrate); + cfg->ts_target_bitrate[1] = bitrate; + + /* 0=L, 1=GF */ + // ARF is used as predictor for all frames, and is only updated on + // key frame. Sync point every 8 frames. + + // Layer 0: predict from L and ARF, update L and G. + layer_flags[0] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_ARF; + + // Layer 1: sync point: predict from L and ARF, and update G. + layer_flags[1] = + VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF; + + // Layer 0, predict from L and ARF, update L. + layer_flags[2] = + VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF; + + // Layer 1: predict from L, G and ARF, and update G. + layer_flags[3] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST | + VP8_EFLAG_NO_UPD_ENTROPY; + + // Layer 0 + layer_flags[4] = layer_flags[2]; + + // Layer 1 + layer_flags[5] = layer_flags[3]; + + // Layer 0 + layer_flags[6] = layer_flags[4]; + + // Layer 1 + layer_flags[7] = layer_flags[5]; + break; + } + + case 3: + default: { + // 3-layers structure where ARF is used as predictor for all frames, + // and is only updated on key frame. + // Sync points for layer 1 and 2 every 8 frames. + cfg->ts_number_layers = 3; + cfg->ts_periodicity = 4; + cfg->ts_rate_decimator[0] = 4; + cfg->ts_rate_decimator[1] = 2; + cfg->ts_rate_decimator[2] = 1; + cfg->ts_layer_id[0] = 0; + cfg->ts_layer_id[1] = 2; + cfg->ts_layer_id[2] = 1; + cfg->ts_layer_id[3] = 2; + // Use 45/20/35 bit allocation as example. + cfg->ts_target_bitrate[0] = (int)(0.45f * bitrate); + cfg->ts_target_bitrate[1] = (int)(0.65f * bitrate); + cfg->ts_target_bitrate[2] = bitrate; + + /* 0=L, 1=GF, 2=ARF */ + + // Layer 0: predict from L and ARF; update L and G. + layer_flags[0] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF; + + // Layer 2: sync point: predict from L and ARF; update none. + layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | + VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST | + VP8_EFLAG_NO_UPD_ENTROPY; + + // Layer 1: sync point: predict from L and ARF; update G. + layer_flags[2] = + VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST; + + // Layer 2: predict from L, G, ARF; update none. + layer_flags[3] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | + VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ENTROPY; + + // Layer 0: predict from L and ARF; update L. + layer_flags[4] = + VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_REF_GF; + + // Layer 2: predict from L, G, ARF; update none. + layer_flags[5] = layer_flags[3]; + + // Layer 1: predict from L, G, ARF; update G. + layer_flags[6] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST; + + // Layer 2: predict from L, G, ARF; update none. + layer_flags[7] = layer_flags[3]; + break; + } + } +} + +/* The periodicity of the pattern given the number of temporal layers. */ +static int periodicity_to_num_layers[MAX_NUM_TEMPORAL_LAYERS] = { 1, 8, 8 }; + +int main(int argc, char **argv) { + FILE *infile, *outfile[NUM_ENCODERS]; + FILE *downsampled_input[NUM_ENCODERS - 1]; + char filename[50]; + vpx_codec_ctx_t codec[NUM_ENCODERS]; + vpx_codec_enc_cfg_t cfg[NUM_ENCODERS]; + int frame_cnt = 0; + vpx_image_t raw[NUM_ENCODERS]; + vpx_codec_err_t res[NUM_ENCODERS]; + + int i; + int width; + int height; + int length_frame; + int frame_avail; + int got_data; + int flags = 0; + int layer_id = 0; + + int layer_flags[VPX_TS_MAX_PERIODICITY * NUM_ENCODERS] = { 0 }; + int flag_periodicity; + + /*Currently, only realtime mode is supported in multi-resolution encoding.*/ + int arg_deadline = VPX_DL_REALTIME; + + /* Set show_psnr to 1/0 to show/not show PSNR. Choose show_psnr=0 if you + don't need to know PSNR, which will skip PSNR calculation and save + encoding time. */ + int show_psnr = 0; + int key_frame_insert = 0; + uint64_t psnr_sse_total[NUM_ENCODERS] = { 0 }; + uint64_t psnr_samples_total[NUM_ENCODERS] = { 0 }; + double psnr_totals[NUM_ENCODERS][4] = { { 0, 0 } }; + int psnr_count[NUM_ENCODERS] = { 0 }; + + int64_t cx_time = 0; + + /* Set the required target bitrates for each resolution level. + * If target bitrate for highest-resolution level is set to 0, + * (i.e. target_bitrate[0]=0), we skip encoding at that level. + */ + unsigned int target_bitrate[NUM_ENCODERS] = { 1000, 500, 100 }; + + /* Enter the frame rate of the input video */ + int framerate = 30; + + /* Set down-sampling factor for each resolution level. + dsf[0] controls down sampling from level 0 to level 1; + dsf[1] controls down sampling from level 1 to level 2; + dsf[2] is not used. */ + vpx_rational_t dsf[NUM_ENCODERS] = { { 2, 1 }, { 2, 1 }, { 1, 1 } }; + + /* Set the number of temporal layers for each encoder/resolution level, + * starting from highest resoln down to lowest resoln. */ + unsigned int num_temporal_layers[NUM_ENCODERS] = { 3, 3, 3 }; + + if (argc != (7 + 3 * NUM_ENCODERS)) + die("Usage: %s <width> <height> <frame_rate> <infile> <outfile(s)> " + "<rate_encoder(s)> <temporal_layer(s)> <key_frame_insert> <output " + "psnr?> \n", + argv[0]); + + printf("Using %s\n", vpx_codec_iface_name(interface)); + + width = (int)strtol(argv[1], NULL, 0); + height = (int)strtol(argv[2], NULL, 0); + framerate = (int)strtol(argv[3], NULL, 0); + + if (width < 16 || width % 2 || height < 16 || height % 2) + die("Invalid resolution: %dx%d", width, height); + + /* Open input video file for encoding */ + if (!(infile = fopen(argv[4], "rb"))) + die("Failed to open %s for reading", argv[4]); + + /* Open output file for each encoder to output bitstreams */ + for (i = 0; i < NUM_ENCODERS; i++) { + if (!target_bitrate[i]) { + outfile[i] = NULL; + continue; + } + + if (!(outfile[i] = fopen(argv[i + 5], "wb"))) + die("Failed to open %s for writing", argv[i + 4]); + } + + // Bitrates per spatial layer: overwrite default rates above. + for (i = 0; i < NUM_ENCODERS; i++) { + target_bitrate[i] = (int)strtol(argv[NUM_ENCODERS + 5 + i], NULL, 0); + } + + // Temporal layers per spatial layers: overwrite default settings above. + for (i = 0; i < NUM_ENCODERS; i++) { + num_temporal_layers[i] = + (int)strtol(argv[2 * NUM_ENCODERS + 5 + i], NULL, 0); + if (num_temporal_layers[i] < 1 || num_temporal_layers[i] > 3) + die("Invalid temporal layers: %d, Must be 1, 2, or 3. \n", + num_temporal_layers[i]); + } + + /* Open file to write out each spatially downsampled input stream. */ + for (i = 0; i < NUM_ENCODERS - 1; i++) { + // Highest resoln is encoder 0. + if (sprintf(filename, "ds%d.yuv", NUM_ENCODERS - i) < 0) { + return EXIT_FAILURE; + } + downsampled_input[i] = fopen(filename, "wb"); + } + + key_frame_insert = (int)strtol(argv[3 * NUM_ENCODERS + 5], NULL, 0); + + show_psnr = (int)strtol(argv[3 * NUM_ENCODERS + 6], NULL, 0); + + /* Populate default encoder configuration */ + for (i = 0; i < NUM_ENCODERS; i++) { + res[i] = vpx_codec_enc_config_default(interface, &cfg[i], 0); + if (res[i]) { + printf("Failed to get config: %s\n", vpx_codec_err_to_string(res[i])); + return EXIT_FAILURE; + } + } + + /* + * Update the default configuration according to needs of the application. + */ + /* Highest-resolution encoder settings */ + cfg[0].g_w = width; + cfg[0].g_h = height; + cfg[0].rc_dropframe_thresh = 0; + cfg[0].rc_end_usage = VPX_CBR; + cfg[0].rc_resize_allowed = 0; + cfg[0].rc_min_quantizer = 2; + cfg[0].rc_max_quantizer = 56; + cfg[0].rc_undershoot_pct = 100; + cfg[0].rc_overshoot_pct = 15; + cfg[0].rc_buf_initial_sz = 500; + cfg[0].rc_buf_optimal_sz = 600; + cfg[0].rc_buf_sz = 1000; + cfg[0].g_error_resilient = 1; /* Enable error resilient mode */ + cfg[0].g_lag_in_frames = 0; + + /* Disable automatic keyframe placement */ + /* Note: These 3 settings are copied to all levels. But, except the lowest + * resolution level, all other levels are set to VPX_KF_DISABLED internally. + */ + cfg[0].kf_mode = VPX_KF_AUTO; + cfg[0].kf_min_dist = 3000; + cfg[0].kf_max_dist = 3000; + + cfg[0].rc_target_bitrate = target_bitrate[0]; /* Set target bitrate */ + cfg[0].g_timebase.num = 1; /* Set fps */ + cfg[0].g_timebase.den = framerate; + + /* Other-resolution encoder settings */ + for (i = 1; i < NUM_ENCODERS; i++) { + memcpy(&cfg[i], &cfg[0], sizeof(vpx_codec_enc_cfg_t)); + + cfg[i].rc_target_bitrate = target_bitrate[i]; + + /* Note: Width & height of other-resolution encoders are calculated + * from the highest-resolution encoder's size and the corresponding + * down_sampling_factor. + */ + { + unsigned int iw = cfg[i - 1].g_w * dsf[i - 1].den + dsf[i - 1].num - 1; + unsigned int ih = cfg[i - 1].g_h * dsf[i - 1].den + dsf[i - 1].num - 1; + cfg[i].g_w = iw / dsf[i - 1].num; + cfg[i].g_h = ih / dsf[i - 1].num; + } + + /* Make width & height to be multiplier of 2. */ + // Should support odd size ??? + if ((cfg[i].g_w) % 2) cfg[i].g_w++; + if ((cfg[i].g_h) % 2) cfg[i].g_h++; + } + + // Set the number of threads per encode/spatial layer. + // (1, 1, 1) means no encoder threading. + cfg[0].g_threads = 1; + cfg[1].g_threads = 1; + cfg[2].g_threads = 1; + + /* Allocate image for each encoder */ + for (i = 0; i < NUM_ENCODERS; i++) + if (!vpx_img_alloc(&raw[i], VPX_IMG_FMT_I420, cfg[i].g_w, cfg[i].g_h, 32)) + die("Failed to allocate image (%dx%d)", cfg[i].g_w, cfg[i].g_h); + + if (raw[0].stride[VPX_PLANE_Y] == (int)raw[0].d_w) + read_frame_p = mulres_read_frame; + else + read_frame_p = mulres_read_frame_by_row; + + for (i = 0; i < NUM_ENCODERS; i++) + if (outfile[i]) write_ivf_file_header(outfile[i], &cfg[i], 0); + + /* Temporal layers settings */ + for (i = 0; i < NUM_ENCODERS; i++) { + set_temporal_layer_pattern(num_temporal_layers[i], &cfg[i], + cfg[i].rc_target_bitrate, + &layer_flags[i * VPX_TS_MAX_PERIODICITY]); + } + + /* Initialize multi-encoder */ + if (vpx_codec_enc_init_multi(&codec[0], interface, &cfg[0], NUM_ENCODERS, + (show_psnr ? VPX_CODEC_USE_PSNR : 0), &dsf[0])) + die_codec(&codec[0], "Failed to initialize encoder"); + + /* The extra encoding configuration parameters can be set as follows. */ + /* Set encoding speed */ + for (i = 0; i < NUM_ENCODERS; i++) { + int speed = -6; + /* Lower speed for the lowest resolution. */ + if (i == NUM_ENCODERS - 1) speed = -4; + if (vpx_codec_control(&codec[i], VP8E_SET_CPUUSED, speed)) + die_codec(&codec[i], "Failed to set cpu_used"); + } + + /* Set static threshold = 1 for all encoders */ + for (i = 0; i < NUM_ENCODERS; i++) { + if (vpx_codec_control(&codec[i], VP8E_SET_STATIC_THRESHOLD, 1)) + die_codec(&codec[i], "Failed to set static threshold"); + } + + /* Set NOISE_SENSITIVITY to do TEMPORAL_DENOISING */ + /* Enable denoising for the highest-resolution encoder. */ + if (vpx_codec_control(&codec[0], VP8E_SET_NOISE_SENSITIVITY, 1)) + die_codec(&codec[0], "Failed to set noise_sensitivity"); + if (vpx_codec_control(&codec[1], VP8E_SET_NOISE_SENSITIVITY, 1)) + die_codec(&codec[1], "Failed to set noise_sensitivity"); + for (i = 2; i < NUM_ENCODERS; i++) { + if (vpx_codec_control(&codec[i], VP8E_SET_NOISE_SENSITIVITY, 0)) + die_codec(&codec[i], "Failed to set noise_sensitivity"); + } + + /* Set the number of token partitions */ + for (i = 0; i < NUM_ENCODERS; i++) { + if (vpx_codec_control(&codec[i], VP8E_SET_TOKEN_PARTITIONS, 1)) + die_codec(&codec[i], "Failed to set static threshold"); + } + + /* Set the max intra target bitrate */ + for (i = 0; i < NUM_ENCODERS; i++) { + unsigned int max_intra_size_pct = + (int)(((double)cfg[0].rc_buf_optimal_sz * 0.5) * framerate / 10); + if (vpx_codec_control(&codec[i], VP8E_SET_MAX_INTRA_BITRATE_PCT, + max_intra_size_pct)) + die_codec(&codec[i], "Failed to set static threshold"); + // printf("%d %d \n",i,max_intra_size_pct); + } + + frame_avail = 1; + got_data = 0; + + while (frame_avail || got_data) { + struct vpx_usec_timer timer; + vpx_codec_iter_t iter[NUM_ENCODERS] = { NULL }; + const vpx_codec_cx_pkt_t *pkt[NUM_ENCODERS]; + + flags = 0; + frame_avail = read_frame_p(infile, &raw[0]); + + if (frame_avail) { + for (i = 1; i < NUM_ENCODERS; i++) { + /*Scale the image down a number of times by downsampling factor*/ + /* FilterMode 1 or 2 give better psnr than FilterMode 0. */ + I420Scale( + raw[i - 1].planes[VPX_PLANE_Y], raw[i - 1].stride[VPX_PLANE_Y], + raw[i - 1].planes[VPX_PLANE_U], raw[i - 1].stride[VPX_PLANE_U], + raw[i - 1].planes[VPX_PLANE_V], raw[i - 1].stride[VPX_PLANE_V], + raw[i - 1].d_w, raw[i - 1].d_h, raw[i].planes[VPX_PLANE_Y], + raw[i].stride[VPX_PLANE_Y], raw[i].planes[VPX_PLANE_U], + raw[i].stride[VPX_PLANE_U], raw[i].planes[VPX_PLANE_V], + raw[i].stride[VPX_PLANE_V], raw[i].d_w, raw[i].d_h, 1); + /* Write out down-sampled input. */ + length_frame = cfg[i].g_w * cfg[i].g_h * 3 / 2; + if (fwrite(raw[i].planes[0], 1, length_frame, + downsampled_input[NUM_ENCODERS - i - 1]) != + (unsigned int)length_frame) { + return EXIT_FAILURE; + } + } + } + + /* Set the flags (reference and update) for all the encoders.*/ + for (i = 0; i < NUM_ENCODERS; i++) { + layer_id = cfg[i].ts_layer_id[frame_cnt % cfg[i].ts_periodicity]; + flags = 0; + flag_periodicity = periodicity_to_num_layers[num_temporal_layers[i] - 1]; + flags = layer_flags[i * VPX_TS_MAX_PERIODICITY + + frame_cnt % flag_periodicity]; + // Key frame flag for first frame. + if (frame_cnt == 0) { + flags |= VPX_EFLAG_FORCE_KF; + } + if (frame_cnt > 0 && frame_cnt == key_frame_insert) { + flags = VPX_EFLAG_FORCE_KF; + } + + vpx_codec_control(&codec[i], VP8E_SET_FRAME_FLAGS, flags); + vpx_codec_control(&codec[i], VP8E_SET_TEMPORAL_LAYER_ID, layer_id); + } + + /* Encode each frame at multi-levels */ + /* Note the flags must be set to 0 in the encode call if they are set + for each frame with the vpx_codec_control(), as done above. */ + vpx_usec_timer_start(&timer); + if (vpx_codec_encode(&codec[0], frame_avail ? &raw[0] : NULL, frame_cnt, 1, + 0, arg_deadline)) { + die_codec(&codec[0], "Failed to encode frame"); + } + vpx_usec_timer_mark(&timer); + cx_time += vpx_usec_timer_elapsed(&timer); + + for (i = NUM_ENCODERS - 1; i >= 0; i--) { + got_data = 0; + while ((pkt[i] = vpx_codec_get_cx_data(&codec[i], &iter[i]))) { + got_data = 1; + switch (pkt[i]->kind) { + case VPX_CODEC_CX_FRAME_PKT: + write_ivf_frame_header(outfile[i], pkt[i]); + (void)fwrite(pkt[i]->data.frame.buf, 1, pkt[i]->data.frame.sz, + outfile[i]); + break; + case VPX_CODEC_PSNR_PKT: + if (show_psnr) { + int j; + + psnr_sse_total[i] += pkt[i]->data.psnr.sse[0]; + psnr_samples_total[i] += pkt[i]->data.psnr.samples[0]; + for (j = 0; j < 4; j++) { + psnr_totals[i][j] += pkt[i]->data.psnr.psnr[j]; + } + psnr_count[i]++; + } + + break; + default: break; + } + fflush(stdout); + } + } + frame_cnt++; + } + printf("\n"); + printf("Frame cnt and encoding time/FPS stats for encoding: %d %f %f \n", + frame_cnt, 1000 * (float)cx_time / (double)(frame_cnt * 1000000), + 1000000 * (double)frame_cnt / (double)cx_time); + + fclose(infile); + + printf("Processed %ld frames.\n", (long int)frame_cnt - 1); + for (i = 0; i < NUM_ENCODERS; i++) { + /* Calculate PSNR and print it out */ + if ((show_psnr) && (psnr_count[i] > 0)) { + int j; + double ovpsnr = + sse_to_psnr(psnr_samples_total[i], 255.0, psnr_sse_total[i]); + + fprintf(stderr, "\n ENC%d PSNR (Overall/Avg/Y/U/V)", i); + + fprintf(stderr, " %.3lf", ovpsnr); + for (j = 0; j < 4; j++) { + fprintf(stderr, " %.3lf", psnr_totals[i][j] / psnr_count[i]); + } + } + + if (vpx_codec_destroy(&codec[i])) + die_codec(&codec[i], "Failed to destroy codec"); + + vpx_img_free(&raw[i]); + + if (!outfile[i]) continue; + + /* Try to rewrite the file header with the actual frame count */ + if (!fseek(outfile[i], 0, SEEK_SET)) + write_ivf_file_header(outfile[i], &cfg[i], frame_cnt - 1); + fclose(outfile[i]); + } + + return EXIT_SUCCESS; +} |