diff options
Diffstat (limited to 'thirdparty/libvpx/vp9/vp9_dx_iface.c')
| -rw-r--r-- | thirdparty/libvpx/vp9/vp9_dx_iface.c | 1093 |
1 files changed, 1093 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vp9/vp9_dx_iface.c b/thirdparty/libvpx/vp9/vp9_dx_iface.c new file mode 100644 index 0000000000..6531e2c618 --- /dev/null +++ b/thirdparty/libvpx/vp9/vp9_dx_iface.c @@ -0,0 +1,1093 @@ +/* + * 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 + } +}; |