/* * 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; // Only do frame parallel decode when threads > 1. priv->frame_parallel_decode = (ctx->config.dec && (ctx->config.dec->threads > 1) && (ctx->init_flags & VPX_CODEC_USE_FRAME_THREADING)) ? 1 : 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->frame_workers != NULL) { int i; for (i = 0; i < ctx->num_frame_workers; ++i) { VPxWorker *const worker = &ctx->frame_workers[i]; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; vpx_get_worker_interface()->end(worker); vp9_remove_common(&frame_worker_data->pbi->common); #if CONFIG_VP9_POSTPROC vp9_free_postproc_buffers(&frame_worker_data->pbi->common); #endif vp9_decoder_remove(frame_worker_data->pbi); vpx_free(frame_worker_data->scratch_buffer); #if CONFIG_MULTITHREAD pthread_mutex_destroy(&frame_worker_data->stats_mutex); pthread_cond_destroy(&frame_worker_data->stats_cond); #endif vpx_free(frame_worker_data); } #if CONFIG_MULTITHREAD pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex); #endif } 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->frame_workers); 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[10]; 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; } 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 void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) { int i; for (i = 0; i < ctx->num_frame_workers; ++i) { VPxWorker *const worker = &ctx->frame_workers[i]; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; VP9_COMMON *const cm = &frame_worker_data->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"); pool->cb_priv = &pool->int_frame_buffers; } } } 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; } static int frame_worker_hook(void *arg1, void *arg2) { FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1; const uint8_t *data = frame_worker_data->data; (void)arg2; frame_worker_data->result = vp9_receive_compressed_data(frame_worker_data->pbi, frame_worker_data->data_size, &data); frame_worker_data->data_end = data; if (frame_worker_data->pbi->frame_parallel_decode) { // In frame parallel decoding, a worker thread must successfully decode all // the compressed data. if (frame_worker_data->result != 0 || frame_worker_data->data + frame_worker_data->data_size - 1 > data) { VPxWorker *const worker = frame_worker_data->pbi->frame_worker_owner; BufferPool *const pool = frame_worker_data->pbi->common.buffer_pool; // Signal all the other threads that are waiting for this frame. vp9_frameworker_lock_stats(worker); frame_worker_data->frame_context_ready = 1; lock_buffer_pool(pool); frame_worker_data->pbi->cur_buf->buf.corrupted = 1; unlock_buffer_pool(pool); frame_worker_data->pbi->need_resync = 1; vp9_frameworker_signal_stats(worker); vp9_frameworker_unlock_stats(worker); return 0; } } else if (frame_worker_data->result != 0) { // Check decode result in serial decode. frame_worker_data->pbi->cur_buf->buf.corrupted = 1; frame_worker_data->pbi->need_resync = 1; } return !frame_worker_data->result; } static vpx_codec_err_t init_decoder(vpx_codec_alg_priv_t *ctx) { int i; const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); ctx->last_show_frame = -1; ctx->next_submit_worker_id = 0; ctx->last_submit_worker_id = 0; ctx->next_output_worker_id = 0; ctx->frame_cache_read = 0; ctx->frame_cache_write = 0; ctx->num_cache_frames = 0; ctx->need_resync = 1; ctx->num_frame_workers = (ctx->frame_parallel_decode == 1) ? ctx->cfg.threads: 1; if (ctx->num_frame_workers > MAX_DECODE_THREADS) ctx->num_frame_workers = MAX_DECODE_THREADS; ctx->available_threads = ctx->num_frame_workers; ctx->flushed = 0; ctx->buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(BufferPool)); if (ctx->buffer_pool == NULL) return VPX_CODEC_MEM_ERROR; #if CONFIG_MULTITHREAD if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) { set_error_detail(ctx, "Failed to allocate buffer pool mutex"); return VPX_CODEC_MEM_ERROR; } #endif ctx->frame_workers = (VPxWorker *) vpx_malloc(ctx->num_frame_workers * sizeof(*ctx->frame_workers)); if (ctx->frame_workers == NULL) { set_error_detail(ctx, "Failed to allocate frame_workers"); return VPX_CODEC_MEM_ERROR; } for (i = 0; i < ctx->num_frame_workers; ++i) { VPxWorker *const worker = &ctx->frame_workers[i]; FrameWorkerData *frame_worker_data = NULL; winterface->init(worker); worker->data1 = vpx_memalign(32, sizeof(FrameWorkerData)); if (worker->data1 == NULL) { set_error_detail(ctx, "Failed to allocate frame_worker_data"); return VPX_CODEC_MEM_ERROR; } frame_worker_data = (FrameWorkerData *)worker->data1; frame_worker_data->pbi = vp9_decoder_create(ctx->buffer_pool); if (frame_worker_data->pbi == NULL) { set_error_detail(ctx, "Failed to allocate frame_worker_data"); return VPX_CODEC_MEM_ERROR; } frame_worker_data->pbi->frame_worker_owner = worker; frame_worker_data->worker_id = i; frame_worker_data->scratch_buffer = NULL; frame_worker_data->scratch_buffer_size = 0; frame_worker_data->frame_context_ready = 0; frame_worker_data->received_frame = 0; #if CONFIG_MULTITHREAD if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) { set_error_detail(ctx, "Failed to allocate frame_worker_data mutex"); return VPX_CODEC_MEM_ERROR; } if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) { set_error_detail(ctx, "Failed to allocate frame_worker_data cond"); return VPX_CODEC_MEM_ERROR; } #endif // If decoding in serial mode, FrameWorker thread could create tile worker // thread or loopfilter thread. frame_worker_data->pbi->max_threads = (ctx->frame_parallel_decode == 0) ? ctx->cfg.threads : 0; frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order; frame_worker_data->pbi->frame_parallel_decode = ctx->frame_parallel_decode; frame_worker_data->pbi->common.frame_parallel_decode = ctx->frame_parallel_decode; worker->hook = (VPxWorkerHook)frame_worker_hook; if (!winterface->reset(worker)) { set_error_detail(ctx, "Frame Worker thread creation failed"); return VPX_CODEC_MEM_ERROR; } } // 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); init_buffer_callbacks(ctx); return VPX_CODEC_OK; } static INLINE void check_resync(vpx_codec_alg_priv_t *const ctx, const VP9Decoder *const pbi) { // Clear resync flag if worker 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, int64_t deadline) { const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); (void)deadline; // 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; } if (!ctx->frame_parallel_decode) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; frame_worker_data->data = *data; frame_worker_data->data_size = data_sz; frame_worker_data->user_priv = user_priv; frame_worker_data->received_frame = 1; // Set these even if already initialized. The caller may have changed the // decrypt config between frames. frame_worker_data->pbi->decrypt_cb = ctx->decrypt_cb; frame_worker_data->pbi->decrypt_state = ctx->decrypt_state; worker->had_error = 0; winterface->execute(worker); // Update data pointer after decode. *data = frame_worker_data->data_end; if (worker->had_error) return update_error_state(ctx, &frame_worker_data->pbi->common.error); check_resync(ctx, frame_worker_data->pbi); } else { VPxWorker *const worker = &ctx->frame_workers[ctx->next_submit_worker_id]; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; // Copy context from last worker thread to next worker thread. if (ctx->next_submit_worker_id != ctx->last_submit_worker_id) vp9_frameworker_copy_context( &ctx->frame_workers[ctx->next_submit_worker_id], &ctx->frame_workers[ctx->last_submit_worker_id]); frame_worker_data->pbi->ready_for_new_data = 0; // Copy the compressed data into worker's internal buffer. // TODO(hkuang): Will all the workers allocate the same size // as the size of the first intra frame be better? This will // avoid too many deallocate and allocate. if (frame_worker_data->scratch_buffer_size < data_sz) { frame_worker_data->scratch_buffer = (uint8_t *)vpx_realloc(frame_worker_data->scratch_buffer, data_sz); if (frame_worker_data->scratch_buffer == NULL) { set_error_detail(ctx, "Failed to reallocate scratch buffer"); return VPX_CODEC_MEM_ERROR; } frame_worker_data->scratch_buffer_size = data_sz; } frame_worker_data->data_size = data_sz; memcpy(frame_worker_data->scratch_buffer, *data, data_sz); frame_worker_data->frame_decoded = 0; frame_worker_data->frame_context_ready = 0; frame_worker_data->received_frame = 1; frame_worker_data->data = frame_worker_data->scratch_buffer; frame_worker_data->user_priv = user_priv; if (ctx->next_submit_worker_id != ctx->last_submit_worker_id) ctx->last_submit_worker_id = (ctx->last_submit_worker_id + 1) % ctx->num_frame_workers; ctx->next_submit_worker_id = (ctx->next_submit_worker_id + 1) % ctx->num_frame_workers; --ctx->available_threads; worker->had_error = 0; winterface->launch(worker); } return VPX_CODEC_OK; } static void wait_worker_and_cache_frame(vpx_codec_alg_priv_t *ctx) { YV12_BUFFER_CONFIG sd; vp9_ppflags_t flags = {0, 0, 0}; const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id]; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; ctx->next_output_worker_id = (ctx->next_output_worker_id + 1) % ctx->num_frame_workers; // TODO(hkuang): Add worker error handling here. winterface->sync(worker); frame_worker_data->received_frame = 0; ++ctx->available_threads; check_resync(ctx, frame_worker_data->pbi); if (vp9_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) { VP9_COMMON *const cm = &frame_worker_data->pbi->common; RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; ctx->frame_cache[ctx->frame_cache_write].fb_idx = cm->new_fb_idx; yuvconfig2image(&ctx->frame_cache[ctx->frame_cache_write].img, &sd, frame_worker_data->user_priv); ctx->frame_cache[ctx->frame_cache_write].img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv; ctx->frame_cache_write = (ctx->frame_cache_write + 1) % FRAME_CACHE_SIZE; ++ctx->num_cache_frames; } } static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx, const uint8_t *data, unsigned int data_sz, void *user_priv, long deadline) { const uint8_t *data_start = data; const uint8_t * const data_end = data + data_sz; 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 workers on the first frame. if (ctx->frame_workers == NULL) { const vpx_codec_err_t 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->frame_parallel_decode) { // Decode in frame parallel mode. When decoding in this mode, the frame // passed to the decoder must be either a normal frame or a superframe with // superframe index so the decoder could get each frame's start position // in the superframe. if (frame_count > 0) { 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; } if (ctx->available_threads == 0) { // No more threads for decoding. Wait until the next output worker // finishes decoding. Then copy the decoded frame into cache. if (ctx->num_cache_frames < FRAME_CACHE_SIZE) { wait_worker_and_cache_frame(ctx); } else { // TODO(hkuang): Add unit test to test this path. set_error_detail(ctx, "Frame output cache is full."); return VPX_CODEC_ERROR; } } res = decode_one(ctx, &data_start_copy, frame_size, user_priv, deadline); if (res != VPX_CODEC_OK) return res; data_start += frame_size; } } else { if (ctx->available_threads == 0) { // No more threads for decoding. Wait until the next output worker // finishes decoding. Then copy the decoded frame into cache. if (ctx->num_cache_frames < FRAME_CACHE_SIZE) { wait_worker_and_cache_frame(ctx); } else { // TODO(hkuang): Add unit test to test this path. set_error_detail(ctx, "Frame output cache is full."); return VPX_CODEC_ERROR; } } res = decode_one(ctx, &data, data_sz, user_priv, deadline); if (res != VPX_CODEC_OK) return res; } } else { // Decode in serial mode. if (frame_count > 0) { 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]; vpx_codec_err_t res; 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, deadline); if (res != VPX_CODEC_OK) return res; data_start += frame_size; } } else { while (data_start < data_end) { const uint32_t frame_size = (uint32_t) (data_end - data_start); const vpx_codec_err_t res = decode_one(ctx, &data_start, frame_size, user_priv, deadline); 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 void release_last_output_frame(vpx_codec_alg_priv_t *ctx) { RefCntBuffer *const frame_bufs = ctx->buffer_pool->frame_bufs; // Decrease reference count of last output frame in frame parallel mode. if (ctx->frame_parallel_decode && ctx->last_show_frame >= 0) { BufferPool *const pool = ctx->buffer_pool; lock_buffer_pool(pool); decrease_ref_count(ctx->last_show_frame, frame_bufs, pool); unlock_buffer_pool(pool); } } static vpx_image_t *decoder_get_frame(vpx_codec_alg_priv_t *ctx, vpx_codec_iter_t *iter) { vpx_image_t *img = NULL; // Only return frame when all the cpu are busy or // application fluhsed the decoder in frame parallel decode. if (ctx->frame_parallel_decode && ctx->available_threads > 0 && !ctx->flushed) { return NULL; } // Output the frames in the cache first. if (ctx->num_cache_frames > 0) { release_last_output_frame(ctx); ctx->last_show_frame = ctx->frame_cache[ctx->frame_cache_read].fb_idx; if (ctx->need_resync) return NULL; img = &ctx->frame_cache[ctx->frame_cache_read].img; ctx->frame_cache_read = (ctx->frame_cache_read + 1) % FRAME_CACHE_SIZE; --ctx->num_cache_frames; return img; } // iter acts as a flip flop, so an image is only returned on the first // call to get_frame. if (*iter == NULL && ctx->frame_workers != NULL) { do { YV12_BUFFER_CONFIG sd; vp9_ppflags_t flags = {0, 0, 0}; const VPxWorkerInterface *const winterface = vpx_get_worker_interface(); VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id]; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; ctx->next_output_worker_id = (ctx->next_output_worker_id + 1) % ctx->num_frame_workers; if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) set_ppflags(ctx, &flags); // Wait for the frame from worker thread. if (winterface->sync(worker)) { // Check if worker has received any frames. if (frame_worker_data->received_frame == 1) { ++ctx->available_threads; frame_worker_data->received_frame = 0; check_resync(ctx, frame_worker_data->pbi); } if (vp9_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) { VP9_COMMON *const cm = &frame_worker_data->pbi->common; RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; release_last_output_frame(ctx); ctx->last_show_frame = frame_worker_data->pbi->common.new_fb_idx; if (ctx->need_resync) return NULL; yuvconfig2image(&ctx->img, &sd, frame_worker_data->user_priv); ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv; img = &ctx->img; return img; } } else { // Decoding failed. Release the worker thread. frame_worker_data->received_frame = 0; ++ctx->available_threads; ctx->need_resync = 1; if (ctx->flushed != 1) return NULL; } } while (ctx->next_output_worker_id != ctx->next_submit_worker_id); } 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->frame_workers == 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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (data) { vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data; YV12_BUFFER_CONFIG sd; VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; image2yuvconfig(&frame->img, &sd); return vp9_set_reference_dec(&frame_worker_data->pbi->common, (VP9_REFFRAME)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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (data) { vpx_ref_frame_t *frame = (vpx_ref_frame_t *) data; YV12_BUFFER_CONFIG sd; VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; image2yuvconfig(&frame->img, &sd); return vp9_copy_reference_dec(frame_worker_data->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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (data) { YV12_BUFFER_CONFIG* fb; VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx); if (fb == NULL) return VPX_CODEC_ERROR; yuvconfig2image(&data->img, fb, NULL); return VPX_CODEC_OK; } 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_set_dbg_options(vpx_codec_alg_priv_t *ctx, va_list args) { (void)ctx; (void)args; return VPX_CODEC_INCAPABLE; } 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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (update_info) { if (ctx->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; *update_info = frame_worker_data->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->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; RefCntBuffer *const frame_bufs = frame_worker_data->pbi->common.buffer_pool->frame_bufs; if (frame_worker_data->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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (frame_size) { if (ctx->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; const VP9_COMMON *const cm = &frame_worker_data->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 *); // Only support this function in serial decode. if (ctx->frame_parallel_decode) { set_error_detail(ctx, "Not supported in frame parallel decode"); return VPX_CODEC_INCAPABLE; } if (render_size) { if (ctx->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; const VP9_COMMON *const cm = &frame_worker_data->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 *); VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id]; if (bit_depth) { if (worker) { FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; const VP9_COMMON *const cm = &frame_worker_data->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->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; frame_worker_data->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->frame_workers) { VPxWorker *const worker = ctx->frame_workers; FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1; frame_worker_data->pbi->common.skip_loop_filter = ctx->skip_loop_filter; } 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}, {VP8_SET_DBG_COLOR_REF_FRAME, ctrl_set_dbg_options}, {VP8_SET_DBG_COLOR_MB_MODES, ctrl_set_dbg_options}, {VP8_SET_DBG_COLOR_B_MODES, ctrl_set_dbg_options}, {VP8_SET_DBG_DISPLAY_MV, ctrl_set_dbg_options}, {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}, // Getters {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, 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 } };