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Diffstat (limited to 'media/libvpx/libvpx/vp9/vp9_dx_iface.c')
-rw-r--r--media/libvpx/libvpx/vp9/vp9_dx_iface.c743
1 files changed, 743 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/vp9_dx_iface.c b/media/libvpx/libvpx/vp9/vp9_dx_iface.c
new file mode 100644
index 0000000000..860f721dc5
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/vp9_dx_iface.c
@@ -0,0 +1,743 @@
+/*
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include "./vpx_config.h"
+#include "./vpx_version.h"
+
+#include "vpx/internal/vpx_codec_internal.h"
+#include "vpx/vp8dx.h"
+#include "vpx/vpx_decoder.h"
+#include "vpx_dsp/bitreader_buffer.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_util/vpx_thread.h"
+
+#include "vp9/common/vp9_alloccommon.h"
+#include "vp9/common/vp9_frame_buffers.h"
+
+#include "vp9/decoder/vp9_decodeframe.h"
+
+#include "vp9/vp9_dx_iface.h"
+#include "vp9/vp9_iface_common.h"
+
+#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
+
+static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
+ vpx_codec_priv_enc_mr_cfg_t *data) {
+ // This function only allocates space for the vpx_codec_alg_priv_t
+ // structure. More memory may be required at the time the stream
+ // information becomes known.
+ (void)data;
+
+ if (!ctx->priv) {
+ vpx_codec_alg_priv_t *const priv =
+ (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
+ if (priv == NULL) return VPX_CODEC_MEM_ERROR;
+
+ ctx->priv = (vpx_codec_priv_t *)priv;
+ ctx->priv->init_flags = ctx->init_flags;
+ priv->si.sz = sizeof(priv->si);
+ priv->flushed = 0;
+ if (ctx->config.dec) {
+ priv->cfg = *ctx->config.dec;
+ ctx->config.dec = &priv->cfg;
+ }
+ }
+
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
+ if (ctx->pbi != NULL) {
+ vp9_decoder_remove(ctx->pbi);
+ }
+
+ if (ctx->buffer_pool) {
+ vp9_free_ref_frame_buffers(ctx->buffer_pool);
+ vp9_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
+ }
+
+ vpx_free(ctx->buffer_pool);
+ vpx_free(ctx);
+ return VPX_CODEC_OK;
+}
+
+static int parse_bitdepth_colorspace_sampling(BITSTREAM_PROFILE profile,
+ struct vpx_read_bit_buffer *rb) {
+ vpx_color_space_t color_space;
+ if (profile >= PROFILE_2) rb->bit_offset += 1; // Bit-depth 10 or 12.
+ color_space = (vpx_color_space_t)vpx_rb_read_literal(rb, 3);
+ if (color_space != VPX_CS_SRGB) {
+ rb->bit_offset += 1; // [16,235] (including xvycc) vs [0,255] range.
+ if (profile == PROFILE_1 || profile == PROFILE_3) {
+ rb->bit_offset += 2; // subsampling x/y.
+ rb->bit_offset += 1; // unused.
+ }
+ } else {
+ if (profile == PROFILE_1 || profile == PROFILE_3) {
+ rb->bit_offset += 1; // unused
+ } else {
+ // RGB is only available in version 1.
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static vpx_codec_err_t decoder_peek_si_internal(
+ const uint8_t *data, unsigned int data_sz, vpx_codec_stream_info_t *si,
+ int *is_intra_only, vpx_decrypt_cb decrypt_cb, void *decrypt_state) {
+ int intra_only_flag = 0;
+ uint8_t clear_buffer[11];
+
+ if (data + data_sz <= data) return VPX_CODEC_INVALID_PARAM;
+
+ si->is_kf = 0;
+ si->w = si->h = 0;
+
+ if (decrypt_cb) {
+ data_sz = VPXMIN(sizeof(clear_buffer), data_sz);
+ decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
+ data = clear_buffer;
+ }
+
+ // A maximum of 6 bits are needed to read the frame marker, profile and
+ // show_existing_frame.
+ if (data_sz < 1) return VPX_CODEC_UNSUP_BITSTREAM;
+
+ {
+ int show_frame;
+ int error_resilient;
+ struct vpx_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
+ const int frame_marker = vpx_rb_read_literal(&rb, 2);
+ const BITSTREAM_PROFILE profile = vp9_read_profile(&rb);
+
+ if (frame_marker != VP9_FRAME_MARKER) return VPX_CODEC_UNSUP_BITSTREAM;
+
+ if (profile >= MAX_PROFILES) return VPX_CODEC_UNSUP_BITSTREAM;
+
+ if (vpx_rb_read_bit(&rb)) { // show an existing frame
+ // If profile is > 2 and show_existing_frame is true, then at least 1 more
+ // byte (6+3=9 bits) is needed.
+ if (profile > 2 && data_sz < 2) return VPX_CODEC_UNSUP_BITSTREAM;
+ vpx_rb_read_literal(&rb, 3); // Frame buffer to show.
+ return VPX_CODEC_OK;
+ }
+
+ // For the rest of the function, a maximum of 9 more bytes are needed
+ // (computed by taking the maximum possible bits needed in each case). Note
+ // that this has to be updated if we read any more bits in this function.
+ if (data_sz < 10) return VPX_CODEC_UNSUP_BITSTREAM;
+
+ si->is_kf = !vpx_rb_read_bit(&rb);
+ show_frame = vpx_rb_read_bit(&rb);
+ error_resilient = vpx_rb_read_bit(&rb);
+
+ if (si->is_kf) {
+ if (!vp9_read_sync_code(&rb)) return VPX_CODEC_UNSUP_BITSTREAM;
+
+ if (!parse_bitdepth_colorspace_sampling(profile, &rb))
+ return VPX_CODEC_UNSUP_BITSTREAM;
+ vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
+ } else {
+ intra_only_flag = show_frame ? 0 : vpx_rb_read_bit(&rb);
+
+ rb.bit_offset += error_resilient ? 0 : 2; // reset_frame_context
+
+ if (intra_only_flag) {
+ if (!vp9_read_sync_code(&rb)) return VPX_CODEC_UNSUP_BITSTREAM;
+ if (profile > PROFILE_0) {
+ if (!parse_bitdepth_colorspace_sampling(profile, &rb))
+ return VPX_CODEC_UNSUP_BITSTREAM;
+ // The colorspace info may cause vp9_read_frame_size() to need 11
+ // bytes.
+ if (data_sz < 11) return VPX_CODEC_UNSUP_BITSTREAM;
+ }
+ rb.bit_offset += REF_FRAMES; // refresh_frame_flags
+ vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
+ }
+ }
+ }
+ if (is_intra_only != NULL) *is_intra_only = intra_only_flag;
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
+ unsigned int data_sz,
+ vpx_codec_stream_info_t *si) {
+ return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL);
+}
+
+static vpx_codec_err_t decoder_get_si(vpx_codec_alg_priv_t *ctx,
+ vpx_codec_stream_info_t *si) {
+ const size_t sz = (si->sz >= sizeof(vp9_stream_info_t))
+ ? sizeof(vp9_stream_info_t)
+ : sizeof(vpx_codec_stream_info_t);
+ memcpy(si, &ctx->si, sz);
+ si->sz = (unsigned int)sz;
+
+ return VPX_CODEC_OK;
+}
+
+static void set_error_detail(vpx_codec_alg_priv_t *ctx,
+ const char *const error) {
+ ctx->base.err_detail = error;
+}
+
+static vpx_codec_err_t update_error_state(
+ vpx_codec_alg_priv_t *ctx, const struct vpx_internal_error_info *error) {
+ if (error->error_code)
+ set_error_detail(ctx, error->has_detail ? error->detail : NULL);
+
+ return error->error_code;
+}
+
+static vpx_codec_err_t init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
+ VP9_COMMON *const cm = &ctx->pbi->common;
+ BufferPool *const pool = cm->buffer_pool;
+
+ cm->new_fb_idx = INVALID_IDX;
+ cm->byte_alignment = ctx->byte_alignment;
+ cm->skip_loop_filter = ctx->skip_loop_filter;
+
+ if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
+ pool->get_fb_cb = ctx->get_ext_fb_cb;
+ pool->release_fb_cb = ctx->release_ext_fb_cb;
+ pool->cb_priv = ctx->ext_priv;
+ } else {
+ pool->get_fb_cb = vp9_get_frame_buffer;
+ pool->release_fb_cb = vp9_release_frame_buffer;
+
+ if (vp9_alloc_internal_frame_buffers(&pool->int_frame_buffers)) {
+ vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
+ "Failed to initialize internal frame buffers");
+ return VPX_CODEC_MEM_ERROR;
+ }
+
+ pool->cb_priv = &pool->int_frame_buffers;
+ }
+
+ return VPX_CODEC_OK;
+}
+
+static void set_default_ppflags(vp8_postproc_cfg_t *cfg) {
+ cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
+ cfg->deblocking_level = 4;
+ cfg->noise_level = 0;
+}
+
+static void set_ppflags(const vpx_codec_alg_priv_t *ctx, vp9_ppflags_t *flags) {
+ flags->post_proc_flag = ctx->postproc_cfg.post_proc_flag;
+
+ flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
+ flags->noise_level = ctx->postproc_cfg.noise_level;
+}
+
+#undef ERROR
+#define ERROR(str) \
+ do { \
+ ctx->base.err_detail = str; \
+ return VPX_CODEC_INVALID_PARAM; \
+ } while (0)
+
+#define RANGE_CHECK(p, memb, lo, hi) \
+ do { \
+ if (!(((p)->memb == (lo) || (p)->memb > (lo)) && (p)->memb <= (hi))) \
+ ERROR(#memb " out of range [" #lo ".." #hi "]"); \
+ } while (0)
+
+static vpx_codec_err_t init_decoder(vpx_codec_alg_priv_t *ctx) {
+ vpx_codec_err_t res;
+ ctx->last_show_frame = -1;
+ ctx->need_resync = 1;
+ ctx->flushed = 0;
+
+ ctx->buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
+ if (ctx->buffer_pool == NULL) return VPX_CODEC_MEM_ERROR;
+
+ ctx->pbi = vp9_decoder_create(ctx->buffer_pool);
+ if (ctx->pbi == NULL) {
+ vpx_free(ctx->buffer_pool);
+ ctx->buffer_pool = NULL;
+ set_error_detail(ctx, "Failed to allocate decoder");
+ return VPX_CODEC_MEM_ERROR;
+ }
+ ctx->pbi->max_threads = ctx->cfg.threads;
+ ctx->pbi->inv_tile_order = ctx->invert_tile_order;
+
+ RANGE_CHECK(ctx, row_mt, 0, 1);
+ ctx->pbi->row_mt = ctx->row_mt;
+
+ RANGE_CHECK(ctx, lpf_opt, 0, 1);
+ ctx->pbi->lpf_mt_opt = ctx->lpf_opt;
+
+ // If postprocessing was enabled by the application and a
+ // configuration has not been provided, default it.
+ if (!ctx->postproc_cfg_set && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
+ set_default_ppflags(&ctx->postproc_cfg);
+
+ res = init_buffer_callbacks(ctx);
+ if (res != VPX_CODEC_OK) {
+ vpx_free(ctx->buffer_pool);
+ ctx->buffer_pool = NULL;
+ vp9_decoder_remove(ctx->pbi);
+ ctx->pbi = NULL;
+ }
+ return res;
+}
+
+static INLINE void check_resync(vpx_codec_alg_priv_t *const ctx,
+ const VP9Decoder *const pbi) {
+ // Clear resync flag if the decoder got a key frame or intra only frame.
+ if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
+ (pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
+ ctx->need_resync = 0;
+}
+
+static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
+ const uint8_t **data, unsigned int data_sz,
+ void *user_priv) {
+ // Determine the stream parameters. Note that we rely on peek_si to
+ // validate that we have a buffer that does not wrap around the top
+ // of the heap.
+ if (!ctx->si.h) {
+ int is_intra_only = 0;
+ const vpx_codec_err_t res =
+ decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only,
+ ctx->decrypt_cb, ctx->decrypt_state);
+ if (res != VPX_CODEC_OK) return res;
+
+ if (!ctx->si.is_kf && !is_intra_only) return VPX_CODEC_ERROR;
+ }
+
+ ctx->user_priv = user_priv;
+
+ // Set these even if already initialized. The caller may have changed the
+ // decrypt config between frames.
+ ctx->pbi->decrypt_cb = ctx->decrypt_cb;
+ ctx->pbi->decrypt_state = ctx->decrypt_state;
+
+ if (vp9_receive_compressed_data(ctx->pbi, data_sz, data)) {
+ ctx->pbi->cur_buf->buf.corrupted = 1;
+ ctx->pbi->need_resync = 1;
+ ctx->need_resync = 1;
+ return update_error_state(ctx, &ctx->pbi->common.error);
+ }
+
+ check_resync(ctx, ctx->pbi);
+
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
+ const uint8_t *data, unsigned int data_sz,
+ void *user_priv) {
+ const uint8_t *data_start = data;
+ vpx_codec_err_t res;
+ uint32_t frame_sizes[8];
+ int frame_count;
+
+ if (data == NULL && data_sz == 0) {
+ ctx->flushed = 1;
+ return VPX_CODEC_OK;
+ }
+
+ // Reset flushed when receiving a valid frame.
+ ctx->flushed = 0;
+
+ // Initialize the decoder on the first frame.
+ if (ctx->pbi == NULL) {
+ res = init_decoder(ctx);
+ if (res != VPX_CODEC_OK) return res;
+ }
+
+ res = vp9_parse_superframe_index(data, data_sz, frame_sizes, &frame_count,
+ ctx->decrypt_cb, ctx->decrypt_state);
+ if (res != VPX_CODEC_OK) return res;
+
+ if (ctx->svc_decoding && ctx->svc_spatial_layer < frame_count - 1)
+ frame_count = ctx->svc_spatial_layer + 1;
+
+ // Decode in serial mode.
+ if (frame_count > 0) {
+ const uint8_t *const data_end = data + data_sz;
+ int i;
+
+ for (i = 0; i < frame_count; ++i) {
+ const uint8_t *data_start_copy = data_start;
+ const uint32_t frame_size = frame_sizes[i];
+ if (data_start < data || frame_size > (uint32_t)(data_end - data_start)) {
+ set_error_detail(ctx, "Invalid frame size in index");
+ return VPX_CODEC_CORRUPT_FRAME;
+ }
+
+ res = decode_one(ctx, &data_start_copy, frame_size, user_priv);
+ if (res != VPX_CODEC_OK) return res;
+
+ data_start += frame_size;
+ }
+ } else {
+ const uint8_t *const data_end = data + data_sz;
+ while (data_start < data_end) {
+ const uint32_t frame_size = (uint32_t)(data_end - data_start);
+ res = decode_one(ctx, &data_start, frame_size, user_priv);
+ if (res != VPX_CODEC_OK) return res;
+
+ // Account for suboptimal termination by the encoder.
+ while (data_start < data_end) {
+ const uint8_t marker =
+ read_marker(ctx->decrypt_cb, ctx->decrypt_state, data_start);
+ if (marker) break;
+ ++data_start;
+ }
+ }
+ }
+
+ return res;
+}
+
+static vpx_image_t *decoder_get_frame(vpx_codec_alg_priv_t *ctx,
+ vpx_codec_iter_t *iter) {
+ vpx_image_t *img = NULL;
+
+ // Legacy parameter carried over from VP8. Has no effect for VP9 since we
+ // always return only 1 frame per decode call.
+ (void)iter;
+
+ if (ctx->pbi != NULL) {
+ YV12_BUFFER_CONFIG sd;
+ vp9_ppflags_t flags = { 0, 0, 0 };
+ if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) set_ppflags(ctx, &flags);
+ if (vp9_get_raw_frame(ctx->pbi, &sd, &flags) == 0) {
+ VP9_COMMON *const cm = &ctx->pbi->common;
+ RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+ ctx->last_show_frame = ctx->pbi->common.new_fb_idx;
+ if (ctx->need_resync) return NULL;
+ yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
+ ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
+ img = &ctx->img;
+ return img;
+ }
+ }
+ return NULL;
+}
+
+static vpx_codec_err_t decoder_set_fb_fn(
+ vpx_codec_alg_priv_t *ctx, vpx_get_frame_buffer_cb_fn_t cb_get,
+ vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
+ if (cb_get == NULL || cb_release == NULL) {
+ return VPX_CODEC_INVALID_PARAM;
+ } else if (ctx->pbi == NULL) {
+ // If the decoder has already been initialized, do not accept changes to
+ // the frame buffer functions.
+ ctx->get_ext_fb_cb = cb_get;
+ ctx->release_ext_fb_cb = cb_release;
+ ctx->ext_priv = cb_priv;
+ return VPX_CODEC_OK;
+ }
+
+ return VPX_CODEC_ERROR;
+}
+
+static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *);
+
+ if (data) {
+ vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data;
+ YV12_BUFFER_CONFIG sd;
+ image2yuvconfig(&frame->img, &sd);
+ return vp9_set_reference_dec(
+ &ctx->pbi->common, ref_frame_to_vp9_reframe(frame->frame_type), &sd);
+ } else {
+ return VPX_CODEC_INVALID_PARAM;
+ }
+}
+
+static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
+
+ if (data) {
+ vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
+ YV12_BUFFER_CONFIG sd;
+ image2yuvconfig(&frame->img, &sd);
+ return vp9_copy_reference_dec(ctx->pbi, (VP9_REFFRAME)frame->frame_type,
+ &sd);
+ } else {
+ return VPX_CODEC_INVALID_PARAM;
+ }
+}
+
+static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
+
+ if (data) {
+ if (ctx->pbi) {
+ const int fb_idx = ctx->pbi->common.cur_show_frame_fb_idx;
+ YV12_BUFFER_CONFIG *fb = get_buf_frame(&ctx->pbi->common, fb_idx);
+ if (fb == NULL) return VPX_CODEC_ERROR;
+ yuvconfig2image(&data->img, fb, NULL);
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ } else {
+ return VPX_CODEC_INVALID_PARAM;
+ }
+}
+
+static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+#if CONFIG_VP9_POSTPROC
+ vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
+
+ if (data) {
+ ctx->postproc_cfg_set = 1;
+ ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_INVALID_PARAM;
+ }
+#else
+ (void)ctx;
+ (void)args;
+ return VPX_CODEC_INCAPABLE;
+#endif
+}
+
+static vpx_codec_err_t ctrl_get_quantizer(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *const arg = va_arg(args, int *);
+ if (arg == NULL || ctx->pbi == NULL) return VPX_CODEC_INVALID_PARAM;
+ *arg = ctx->pbi->common.base_qindex;
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *const update_info = va_arg(args, int *);
+
+ if (update_info) {
+ if (ctx->pbi != NULL) {
+ *update_info = ctx->pbi->refresh_frame_flags;
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ }
+
+ return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *corrupted = va_arg(args, int *);
+
+ if (corrupted) {
+ if (ctx->pbi != NULL) {
+ RefCntBuffer *const frame_bufs = ctx->pbi->common.buffer_pool->frame_bufs;
+ if (ctx->pbi->common.frame_to_show == NULL) return VPX_CODEC_ERROR;
+ if (ctx->last_show_frame >= 0)
+ *corrupted = frame_bufs[ctx->last_show_frame].buf.corrupted;
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ }
+
+ return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_frame_size(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *const frame_size = va_arg(args, int *);
+
+ if (frame_size) {
+ if (ctx->pbi != NULL) {
+ const VP9_COMMON *const cm = &ctx->pbi->common;
+ frame_size[0] = cm->width;
+ frame_size[1] = cm->height;
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ }
+
+ return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_render_size(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *const render_size = va_arg(args, int *);
+
+ if (render_size) {
+ if (ctx->pbi != NULL) {
+ const VP9_COMMON *const cm = &ctx->pbi->common;
+ render_size[0] = cm->render_width;
+ render_size[1] = cm->render_height;
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ }
+
+ return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_bit_depth(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ unsigned int *const bit_depth = va_arg(args, unsigned int *);
+
+ if (bit_depth) {
+ if (ctx->pbi != NULL) {
+ const VP9_COMMON *const cm = &ctx->pbi->common;
+ *bit_depth = cm->bit_depth;
+ return VPX_CODEC_OK;
+ } else {
+ return VPX_CODEC_ERROR;
+ }
+ }
+
+ return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ ctx->invert_tile_order = va_arg(args, int);
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
+ ctx->decrypt_cb = init ? init->decrypt_cb : NULL;
+ ctx->decrypt_state = init ? init->decrypt_state : NULL;
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_byte_alignment(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ const int legacy_byte_alignment = 0;
+ const int min_byte_alignment = 32;
+ const int max_byte_alignment = 1024;
+ const int byte_alignment = va_arg(args, int);
+
+ if (byte_alignment != legacy_byte_alignment &&
+ (byte_alignment < min_byte_alignment ||
+ byte_alignment > max_byte_alignment ||
+ (byte_alignment & (byte_alignment - 1)) != 0))
+ return VPX_CODEC_INVALID_PARAM;
+
+ ctx->byte_alignment = byte_alignment;
+ if (ctx->pbi != NULL) {
+ ctx->pbi->common.byte_alignment = byte_alignment;
+ }
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_skip_loop_filter(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ ctx->skip_loop_filter = va_arg(args, int);
+
+ if (ctx->pbi != NULL) {
+ ctx->pbi->common.skip_loop_filter = ctx->skip_loop_filter;
+ }
+
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_spatial_layer_svc(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ ctx->svc_decoding = 1;
+ ctx->svc_spatial_layer = va_arg(args, int);
+ if (ctx->svc_spatial_layer < 0)
+ return VPX_CODEC_INVALID_PARAM;
+ else
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_row_mt(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ ctx->row_mt = va_arg(args, int);
+
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_enable_lpf_opt(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ ctx->lpf_opt = va_arg(args, int);
+
+ return VPX_CODEC_OK;
+}
+
+static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
+ { VP8_COPY_REFERENCE, ctrl_copy_reference },
+
+ // Setters
+ { VP8_SET_REFERENCE, ctrl_set_reference },
+ { VP8_SET_POSTPROC, ctrl_set_postproc },
+ { VP9_INVERT_TILE_DECODE_ORDER, ctrl_set_invert_tile_order },
+ { VPXD_SET_DECRYPTOR, ctrl_set_decryptor },
+ { VP9_SET_BYTE_ALIGNMENT, ctrl_set_byte_alignment },
+ { VP9_SET_SKIP_LOOP_FILTER, ctrl_set_skip_loop_filter },
+ { VP9_DECODE_SVC_SPATIAL_LAYER, ctrl_set_spatial_layer_svc },
+ { VP9D_SET_ROW_MT, ctrl_set_row_mt },
+ { VP9D_SET_LOOP_FILTER_OPT, ctrl_enable_lpf_opt },
+
+ // Getters
+ { VPXD_GET_LAST_QUANTIZER, ctrl_get_quantizer },
+ { VP8D_GET_LAST_REF_UPDATES, ctrl_get_last_ref_updates },
+ { VP8D_GET_FRAME_CORRUPTED, ctrl_get_frame_corrupted },
+ { VP9_GET_REFERENCE, ctrl_get_reference },
+ { VP9D_GET_DISPLAY_SIZE, ctrl_get_render_size },
+ { VP9D_GET_BIT_DEPTH, ctrl_get_bit_depth },
+ { VP9D_GET_FRAME_SIZE, ctrl_get_frame_size },
+
+ { -1, NULL },
+};
+
+#ifndef VERSION_STRING
+#define VERSION_STRING
+#endif
+CODEC_INTERFACE(vpx_codec_vp9_dx) = {
+ "WebM Project VP9 Decoder" VERSION_STRING,
+ VPX_CODEC_INTERNAL_ABI_VERSION,
+#if CONFIG_VP9_HIGHBITDEPTH
+ VPX_CODEC_CAP_HIGHBITDEPTH |
+#endif
+ VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
+ VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER, // vpx_codec_caps_t
+ decoder_init, // vpx_codec_init_fn_t
+ decoder_destroy, // vpx_codec_destroy_fn_t
+ decoder_ctrl_maps, // vpx_codec_ctrl_fn_map_t
+ {
+ // NOLINT
+ decoder_peek_si, // vpx_codec_peek_si_fn_t
+ decoder_get_si, // vpx_codec_get_si_fn_t
+ decoder_decode, // vpx_codec_decode_fn_t
+ decoder_get_frame, // vpx_codec_frame_get_fn_t
+ decoder_set_fb_fn, // vpx_codec_set_fb_fn_t
+ },
+ {
+ // NOLINT
+ 0,
+ NULL, // vpx_codec_enc_cfg_map_t
+ NULL, // vpx_codec_encode_fn_t
+ NULL, // vpx_codec_get_cx_data_fn_t
+ NULL, // vpx_codec_enc_config_set_fn_t
+ NULL, // vpx_codec_get_global_headers_fn_t
+ NULL, // vpx_codec_get_preview_frame_fn_t
+ NULL // vpx_codec_enc_mr_get_mem_loc_fn_t
+ }
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 18:52:12 +0000