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-rw-r--r--media/libvpx/vp9/vp9_dx_iface.c1131
1 files changed, 1131 insertions, 0 deletions
diff --git a/media/libvpx/vp9/vp9_dx_iface.c b/media/libvpx/vp9/vp9_dx_iface.c
new file mode 100644
index 000000000..4080d64c1
--- /dev/null
+++ b/media/libvpx/vp9/vp9_dx_iface.c
@@ -0,0 +1,1131 @@
+/*
+ * 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 "vp9/common/vp9_alloccommon.h"
+#include "vp9/common/vp9_frame_buffers.h"
+#include "vp9/common/vp9_thread.h"
+
+#include "vp9/decoder/vp9_decoder.h"
+#include "vp9/decoder/vp9_decodeframe.h"
+#include "vp9/decoder/vp9_read_bit_buffer.h"
+
+#include "vp9/vp9_iface_common.h"
+
+#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
+
+typedef vpx_codec_stream_info_t vp9_stream_info_t;
+
+// This limit is due to framebuffer numbers.
+// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
+#define FRAME_CACHE_SIZE 6 // Cache maximum 6 decoded frames.
+
+typedef struct cache_frame {
+ int fb_idx;
+ vpx_image_t img;
+} cache_frame;
+
+struct vpx_codec_alg_priv {
+ vpx_codec_priv_t base;
+ vpx_codec_dec_cfg_t cfg;
+ vp9_stream_info_t si;
+ int postproc_cfg_set;
+ vp8_postproc_cfg_t postproc_cfg;
+ vpx_decrypt_cb decrypt_cb;
+ void *decrypt_state;
+ vpx_image_t img;
+ int img_avail;
+ int flushed;
+ int invert_tile_order;
+ int last_show_frame; // Index of last output frame.
+ int byte_alignment;
+ int skip_loop_filter;
+
+ // Frame parallel related.
+ int frame_parallel_decode; // frame-based threading.
+ VP9Worker *frame_workers;
+ int num_frame_workers;
+ int next_submit_worker_id;
+ int last_submit_worker_id;
+ int next_output_worker_id;
+ int available_threads;
+ cache_frame frame_cache[FRAME_CACHE_SIZE];
+ int frame_cache_write;
+ int frame_cache_read;
+ int num_cache_frames;
+ int need_resync; // wait for key/intra-only frame
+ // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
+ BufferPool *buffer_pool;
+
+ // External frame buffer info to save for VP9 common.
+ void *ext_priv; // Private data associated with the external frame buffers.
+ vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
+ vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
+};
+
+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_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) {
+ VP9Worker *const worker = &ctx->frame_workers[i];
+ FrameWorkerData *const frame_worker_data =
+ (FrameWorkerData *)worker->data1;
+ vp9_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 vp9_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)vp9_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 = MIN(sizeof(clear_buffer), data_sz);
+ decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
+ data = clear_buffer;
+ }
+
+ {
+ int show_frame;
+ int error_resilient;
+ struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
+ const int frame_marker = vp9_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 (vp9_rb_read_bit(&rb)) { // show an existing frame
+ vp9_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 = !vp9_rb_read_bit(&rb);
+ show_frame = vp9_rb_read_bit(&rb);
+ error_resilient = vp9_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 : vp9_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) {
+ VP9Worker *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) {
+ VP9Worker *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 VP9WorkerInterface *const winterface = vp9_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 = (VP9Worker *)
+ 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) {
+ VP9Worker *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 = (VP9WorkerHook)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 VP9WorkerInterface *const winterface = vp9_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) {
+ VP9Worker *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 {
+ VP9Worker *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 VP9WorkerInterface *const winterface = vp9_get_worker_interface();
+ VP9Worker *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 VP9WorkerInterface *const winterface = vp9_get_worker_interface();
+ VP9Worker *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;
+ VP9Worker *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;
+ VP9Worker *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;
+ VP9Worker *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) {
+ VP9Worker *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) {
+ VP9Worker *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) {
+ VP9Worker *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_display_size(vpx_codec_alg_priv_t *ctx,
+ va_list args) {
+ int *const display_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 (display_size) {
+ if (ctx->frame_workers) {
+ VP9Worker *const worker = ctx->frame_workers;
+ FrameWorkerData *const frame_worker_data =
+ (FrameWorkerData *)worker->data1;
+ const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+ display_size[0] = cm->display_width;
+ display_size[1] = cm->display_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 *);
+ VP9Worker *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) {
+ VP9Worker *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) {
+ VP9Worker *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_display_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
+ }
+};