| /* |
| * 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[9]; |
| |
| 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; |
| } |
| |
| { |
| 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 ((profile >= 2 && data_sz <= 1) || data_sz < 1) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| |
| if (vpx_rb_read_bit(&rb)) { // show an existing frame |
| vpx_rb_read_literal(&rb, 3); // Frame buffer to show. |
| return VPX_CODEC_OK; |
| } |
| |
| if (data_sz <= 8) |
| 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 |
| } |
| }; |
