1093 lines
38 KiB
C
1093 lines
38 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "./vpx_config.h"
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#include "./vpx_version.h"
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#include "vpx/internal/vpx_codec_internal.h"
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#include "vpx/vp8dx.h"
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#include "vpx/vpx_decoder.h"
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#include "vpx_dsp/bitreader_buffer.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#include "vpx_util/vpx_thread.h"
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#include "vp9/common/vp9_alloccommon.h"
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#include "vp9/common/vp9_frame_buffers.h"
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#include "vp9/decoder/vp9_decodeframe.h"
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#include "vp9/vp9_dx_iface.h"
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#include "vp9/vp9_iface_common.h"
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#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
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static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
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vpx_codec_priv_enc_mr_cfg_t *data) {
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// This function only allocates space for the vpx_codec_alg_priv_t
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// structure. More memory may be required at the time the stream
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// information becomes known.
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(void)data;
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if (!ctx->priv) {
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vpx_codec_alg_priv_t *const priv =
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(vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
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if (priv == NULL)
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return VPX_CODEC_MEM_ERROR;
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ctx->priv = (vpx_codec_priv_t *)priv;
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ctx->priv->init_flags = ctx->init_flags;
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priv->si.sz = sizeof(priv->si);
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priv->flushed = 0;
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// Only do frame parallel decode when threads > 1.
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priv->frame_parallel_decode =
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(ctx->config.dec && (ctx->config.dec->threads > 1) &&
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(ctx->init_flags & VPX_CODEC_USE_FRAME_THREADING)) ? 1 : 0;
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if (ctx->config.dec) {
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priv->cfg = *ctx->config.dec;
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ctx->config.dec = &priv->cfg;
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}
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}
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return VPX_CODEC_OK;
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}
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static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
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if (ctx->frame_workers != NULL) {
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int i;
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for (i = 0; i < ctx->num_frame_workers; ++i) {
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VPxWorker *const worker = &ctx->frame_workers[i];
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FrameWorkerData *const frame_worker_data =
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(FrameWorkerData *)worker->data1;
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vpx_get_worker_interface()->end(worker);
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vp9_remove_common(&frame_worker_data->pbi->common);
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#if CONFIG_VP9_POSTPROC
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vp9_free_postproc_buffers(&frame_worker_data->pbi->common);
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#endif
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vp9_decoder_remove(frame_worker_data->pbi);
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vpx_free(frame_worker_data->scratch_buffer);
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#if CONFIG_MULTITHREAD
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pthread_mutex_destroy(&frame_worker_data->stats_mutex);
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pthread_cond_destroy(&frame_worker_data->stats_cond);
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#endif
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vpx_free(frame_worker_data);
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}
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#if CONFIG_MULTITHREAD
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pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
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#endif
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}
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if (ctx->buffer_pool) {
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vp9_free_ref_frame_buffers(ctx->buffer_pool);
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vp9_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
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}
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vpx_free(ctx->frame_workers);
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vpx_free(ctx->buffer_pool);
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vpx_free(ctx);
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return VPX_CODEC_OK;
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}
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static int parse_bitdepth_colorspace_sampling(
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BITSTREAM_PROFILE profile, struct vpx_read_bit_buffer *rb) {
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vpx_color_space_t color_space;
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if (profile >= PROFILE_2)
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rb->bit_offset += 1; // Bit-depth 10 or 12.
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color_space = (vpx_color_space_t)vpx_rb_read_literal(rb, 3);
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if (color_space != VPX_CS_SRGB) {
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rb->bit_offset += 1; // [16,235] (including xvycc) vs [0,255] range.
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if (profile == PROFILE_1 || profile == PROFILE_3) {
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rb->bit_offset += 2; // subsampling x/y.
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rb->bit_offset += 1; // unused.
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}
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} else {
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if (profile == PROFILE_1 || profile == PROFILE_3) {
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rb->bit_offset += 1; // unused
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} else {
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// RGB is only available in version 1.
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return 0;
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}
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}
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return 1;
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}
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static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
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unsigned int data_sz,
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vpx_codec_stream_info_t *si,
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int *is_intra_only,
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vpx_decrypt_cb decrypt_cb,
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void *decrypt_state) {
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int intra_only_flag = 0;
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uint8_t clear_buffer[10];
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if (data + data_sz <= data)
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return VPX_CODEC_INVALID_PARAM;
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si->is_kf = 0;
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si->w = si->h = 0;
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if (decrypt_cb) {
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data_sz = VPXMIN(sizeof(clear_buffer), data_sz);
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decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
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data = clear_buffer;
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}
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// A maximum of 6 bits are needed to read the frame marker, profile and
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// show_existing_frame.
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if (data_sz < 1)
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return VPX_CODEC_UNSUP_BITSTREAM;
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{
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int show_frame;
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int error_resilient;
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struct vpx_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
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const int frame_marker = vpx_rb_read_literal(&rb, 2);
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const BITSTREAM_PROFILE profile = vp9_read_profile(&rb);
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if (frame_marker != VP9_FRAME_MARKER)
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return VPX_CODEC_UNSUP_BITSTREAM;
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if (profile >= MAX_PROFILES)
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return VPX_CODEC_UNSUP_BITSTREAM;
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if (vpx_rb_read_bit(&rb)) { // show an existing frame
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// If profile is > 2 and show_existing_frame is true, then at least 1 more
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// byte (6+3=9 bits) is needed.
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if (profile > 2 && data_sz < 2)
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return VPX_CODEC_UNSUP_BITSTREAM;
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vpx_rb_read_literal(&rb, 3); // Frame buffer to show.
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return VPX_CODEC_OK;
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}
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// For the rest of the function, a maximum of 9 more bytes are needed
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// (computed by taking the maximum possible bits needed in each case). Note
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// that this has to be updated if we read any more bits in this function.
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if (data_sz < 10)
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return VPX_CODEC_UNSUP_BITSTREAM;
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si->is_kf = !vpx_rb_read_bit(&rb);
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show_frame = vpx_rb_read_bit(&rb);
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error_resilient = vpx_rb_read_bit(&rb);
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if (si->is_kf) {
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if (!vp9_read_sync_code(&rb))
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return VPX_CODEC_UNSUP_BITSTREAM;
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if (!parse_bitdepth_colorspace_sampling(profile, &rb))
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return VPX_CODEC_UNSUP_BITSTREAM;
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vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
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} else {
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intra_only_flag = show_frame ? 0 : vpx_rb_read_bit(&rb);
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rb.bit_offset += error_resilient ? 0 : 2; // reset_frame_context
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if (intra_only_flag) {
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if (!vp9_read_sync_code(&rb))
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return VPX_CODEC_UNSUP_BITSTREAM;
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if (profile > PROFILE_0) {
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if (!parse_bitdepth_colorspace_sampling(profile, &rb))
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return VPX_CODEC_UNSUP_BITSTREAM;
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}
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rb.bit_offset += REF_FRAMES; // refresh_frame_flags
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vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
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}
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}
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}
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if (is_intra_only != NULL)
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*is_intra_only = intra_only_flag;
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return VPX_CODEC_OK;
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}
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static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
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unsigned int data_sz,
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vpx_codec_stream_info_t *si) {
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return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL);
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}
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static vpx_codec_err_t decoder_get_si(vpx_codec_alg_priv_t *ctx,
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vpx_codec_stream_info_t *si) {
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const size_t sz = (si->sz >= sizeof(vp9_stream_info_t))
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? sizeof(vp9_stream_info_t)
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: sizeof(vpx_codec_stream_info_t);
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memcpy(si, &ctx->si, sz);
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si->sz = (unsigned int)sz;
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return VPX_CODEC_OK;
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}
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static void set_error_detail(vpx_codec_alg_priv_t *ctx,
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const char *const error) {
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ctx->base.err_detail = error;
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}
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static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
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const struct vpx_internal_error_info *error) {
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if (error->error_code)
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set_error_detail(ctx, error->has_detail ? error->detail : NULL);
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return error->error_code;
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}
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static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
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int i;
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for (i = 0; i < ctx->num_frame_workers; ++i) {
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VPxWorker *const worker = &ctx->frame_workers[i];
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FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
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VP9_COMMON *const cm = &frame_worker_data->pbi->common;
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BufferPool *const pool = cm->buffer_pool;
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cm->new_fb_idx = INVALID_IDX;
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cm->byte_alignment = ctx->byte_alignment;
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cm->skip_loop_filter = ctx->skip_loop_filter;
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if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
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pool->get_fb_cb = ctx->get_ext_fb_cb;
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pool->release_fb_cb = ctx->release_ext_fb_cb;
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pool->cb_priv = ctx->ext_priv;
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} else {
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pool->get_fb_cb = vp9_get_frame_buffer;
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pool->release_fb_cb = vp9_release_frame_buffer;
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if (vp9_alloc_internal_frame_buffers(&pool->int_frame_buffers))
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vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
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"Failed to initialize internal frame buffers");
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pool->cb_priv = &pool->int_frame_buffers;
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}
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}
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}
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static void set_default_ppflags(vp8_postproc_cfg_t *cfg) {
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cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
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cfg->deblocking_level = 4;
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cfg->noise_level = 0;
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}
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static void set_ppflags(const vpx_codec_alg_priv_t *ctx,
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vp9_ppflags_t *flags) {
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flags->post_proc_flag =
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ctx->postproc_cfg.post_proc_flag;
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flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
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flags->noise_level = ctx->postproc_cfg.noise_level;
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}
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static int frame_worker_hook(void *arg1, void *arg2) {
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FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
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const uint8_t *data = frame_worker_data->data;
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(void)arg2;
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frame_worker_data->result =
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vp9_receive_compressed_data(frame_worker_data->pbi,
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frame_worker_data->data_size,
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&data);
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frame_worker_data->data_end = data;
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if (frame_worker_data->pbi->frame_parallel_decode) {
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// In frame parallel decoding, a worker thread must successfully decode all
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// the compressed data.
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if (frame_worker_data->result != 0 ||
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frame_worker_data->data + frame_worker_data->data_size - 1 > data) {
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VPxWorker *const worker = frame_worker_data->pbi->frame_worker_owner;
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BufferPool *const pool = frame_worker_data->pbi->common.buffer_pool;
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// Signal all the other threads that are waiting for this frame.
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vp9_frameworker_lock_stats(worker);
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frame_worker_data->frame_context_ready = 1;
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lock_buffer_pool(pool);
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frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
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unlock_buffer_pool(pool);
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frame_worker_data->pbi->need_resync = 1;
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vp9_frameworker_signal_stats(worker);
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vp9_frameworker_unlock_stats(worker);
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return 0;
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}
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} else if (frame_worker_data->result != 0) {
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// Check decode result in serial decode.
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frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
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frame_worker_data->pbi->need_resync = 1;
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}
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return !frame_worker_data->result;
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}
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static vpx_codec_err_t init_decoder(vpx_codec_alg_priv_t *ctx) {
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int i;
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const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
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ctx->last_show_frame = -1;
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ctx->next_submit_worker_id = 0;
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ctx->last_submit_worker_id = 0;
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ctx->next_output_worker_id = 0;
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ctx->frame_cache_read = 0;
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ctx->frame_cache_write = 0;
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ctx->num_cache_frames = 0;
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ctx->need_resync = 1;
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ctx->num_frame_workers =
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(ctx->frame_parallel_decode == 1) ? ctx->cfg.threads: 1;
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if (ctx->num_frame_workers > MAX_DECODE_THREADS)
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ctx->num_frame_workers = MAX_DECODE_THREADS;
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ctx->available_threads = ctx->num_frame_workers;
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ctx->flushed = 0;
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ctx->buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
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if (ctx->buffer_pool == NULL)
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return VPX_CODEC_MEM_ERROR;
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#if CONFIG_MULTITHREAD
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if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
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set_error_detail(ctx, "Failed to allocate buffer pool mutex");
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return VPX_CODEC_MEM_ERROR;
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}
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#endif
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ctx->frame_workers = (VPxWorker *)
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vpx_malloc(ctx->num_frame_workers * sizeof(*ctx->frame_workers));
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if (ctx->frame_workers == NULL) {
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set_error_detail(ctx, "Failed to allocate frame_workers");
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return VPX_CODEC_MEM_ERROR;
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}
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for (i = 0; i < ctx->num_frame_workers; ++i) {
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VPxWorker *const worker = &ctx->frame_workers[i];
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FrameWorkerData *frame_worker_data = NULL;
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winterface->init(worker);
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worker->data1 = vpx_memalign(32, sizeof(FrameWorkerData));
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if (worker->data1 == NULL) {
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set_error_detail(ctx, "Failed to allocate frame_worker_data");
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return VPX_CODEC_MEM_ERROR;
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}
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frame_worker_data = (FrameWorkerData *)worker->data1;
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frame_worker_data->pbi = vp9_decoder_create(ctx->buffer_pool);
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if (frame_worker_data->pbi == NULL) {
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set_error_detail(ctx, "Failed to allocate frame_worker_data");
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return VPX_CODEC_MEM_ERROR;
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}
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frame_worker_data->pbi->frame_worker_owner = worker;
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frame_worker_data->worker_id = i;
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frame_worker_data->scratch_buffer = NULL;
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frame_worker_data->scratch_buffer_size = 0;
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frame_worker_data->frame_context_ready = 0;
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frame_worker_data->received_frame = 0;
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#if CONFIG_MULTITHREAD
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if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) {
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set_error_detail(ctx, "Failed to allocate frame_worker_data mutex");
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return VPX_CODEC_MEM_ERROR;
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}
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if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) {
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set_error_detail(ctx, "Failed to allocate frame_worker_data cond");
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return VPX_CODEC_MEM_ERROR;
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}
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#endif
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// If decoding in serial mode, FrameWorker thread could create tile worker
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// thread or loopfilter thread.
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frame_worker_data->pbi->max_threads =
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(ctx->frame_parallel_decode == 0) ? ctx->cfg.threads : 0;
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frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
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frame_worker_data->pbi->frame_parallel_decode = ctx->frame_parallel_decode;
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frame_worker_data->pbi->common.frame_parallel_decode =
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ctx->frame_parallel_decode;
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worker->hook = (VPxWorkerHook)frame_worker_hook;
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if (!winterface->reset(worker)) {
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set_error_detail(ctx, "Frame Worker thread creation failed");
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return VPX_CODEC_MEM_ERROR;
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}
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}
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// If postprocessing was enabled by the application and a
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// configuration has not been provided, default it.
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if (!ctx->postproc_cfg_set &&
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(ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
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set_default_ppflags(&ctx->postproc_cfg);
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init_buffer_callbacks(ctx);
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return VPX_CODEC_OK;
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}
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static INLINE void check_resync(vpx_codec_alg_priv_t *const ctx,
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const VP9Decoder *const pbi) {
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// Clear resync flag if worker got a key frame or intra only frame.
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if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
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(pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
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ctx->need_resync = 0;
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}
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static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
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const uint8_t **data, unsigned int data_sz,
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void *user_priv, int64_t deadline) {
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const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
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(void)deadline;
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// Determine the stream parameters. Note that we rely on peek_si to
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// validate that we have a buffer that does not wrap around the top
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// of the heap.
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if (!ctx->si.h) {
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int is_intra_only = 0;
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const vpx_codec_err_t res =
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decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only,
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ctx->decrypt_cb, ctx->decrypt_state);
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if (res != VPX_CODEC_OK)
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return res;
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if (!ctx->si.is_kf && !is_intra_only)
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return VPX_CODEC_ERROR;
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|
}
|
|
|
|
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
|
|
}
|
|
};
|