| Index: media/base/android/access_unit_queue.cc
|
| diff --git a/media/base/android/access_unit_queue.cc b/media/base/android/access_unit_queue.cc
|
| deleted file mode 100644
|
| index b98c89b11a16d5448345a608f47eedad21c6e49b..0000000000000000000000000000000000000000
|
| --- a/media/base/android/access_unit_queue.cc
|
| +++ /dev/null
|
| @@ -1,211 +0,0 @@
|
| -// Copyright 2015 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "media/base/android/access_unit_queue.h"
|
| -
|
| -#include "base/logging.h"
|
| -#include "base/stl_util.h"
|
| -#include "media/base/demuxer_stream.h"
|
| -
|
| -namespace media {
|
| -
|
| -namespace {
|
| -// Amount of history chunks we keep by default. The zero size means we do not
|
| -// keep chunks before the current one and the history is limited by the size
|
| -// of one chunk.
|
| -const int kDefaultHistoryChunksAmount = 0;
|
| -}
|
| -
|
| -AccessUnitQueue::AccessUnitQueue()
|
| - : index_in_chunk_(0),
|
| - history_chunks_amount_(kDefaultHistoryChunksAmount),
|
| - has_eos_(false) {
|
| - current_chunk_ = chunks_.end();
|
| -}
|
| -
|
| -AccessUnitQueue::~AccessUnitQueue() {
|
| - base::STLDeleteContainerPointers(chunks_.begin(), chunks_.end());
|
| -}
|
| -
|
| -void AccessUnitQueue::PushBack(const DemuxerData& data) {
|
| - // Media thread
|
| - DCHECK(!data.access_units.empty());
|
| -
|
| -#if DCHECK_IS_ON()
|
| - // If there is an AU with |kConfigChanged| status, it must be the last
|
| - // AU in the chunk and the data should have exactly one corresponding
|
| - // DemuxerConfigs.
|
| - for (size_t i = 0; i < data.access_units.size(); ++i) {
|
| - const AccessUnit& unit = data.access_units[i];
|
| -
|
| - // EOS must be the last unit in the chunk.
|
| - if (unit.is_end_of_stream) {
|
| - DCHECK(i == data.access_units.size() - 1);
|
| - }
|
| -
|
| - // kConfigChanged must be the last unit in the chunk.
|
| - if (unit.status == DemuxerStream::kConfigChanged) {
|
| - DCHECK(i == data.access_units.size() - 1);
|
| - DCHECK(data.demuxer_configs.size() == 1);
|
| - }
|
| -
|
| - if (unit.status == DemuxerStream::kAborted) {
|
| - DVLOG(1) << "AccessUnitQueue::" << __FUNCTION__ << " kAborted";
|
| - }
|
| - }
|
| -#endif
|
| -
|
| - // Create the next chunk and copy data to it.
|
| - DemuxerData* chunk = new DemuxerData(data);
|
| -
|
| - // EOS flag can only be in the last access unit.
|
| - bool has_eos = chunk->access_units.back().is_end_of_stream;
|
| -
|
| - // Append this chunk to the queue.
|
| - base::AutoLock lock(lock_);
|
| -
|
| - // Ignore the input after we have received EOS.
|
| - if (has_eos_) {
|
| - delete chunk;
|
| - return;
|
| - }
|
| -
|
| - bool was_empty = (current_chunk_ == chunks_.end());
|
| -
|
| - // The container |chunks_| will own the chunk.
|
| - chunks_.push_back(chunk);
|
| -
|
| - // Position the current chunk.
|
| - if (was_empty) {
|
| - current_chunk_ = --chunks_.end();
|
| - index_in_chunk_ = 0;
|
| - }
|
| -
|
| - // We expect that the chunk containing EOS is the last chunk.
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| - DCHECK(!has_eos_);
|
| - has_eos_ = has_eos;
|
| -}
|
| -
|
| -void AccessUnitQueue::Advance() {
|
| - // Decoder thread
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| - base::AutoLock lock(lock_);
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| -
|
| - if (current_chunk_ == chunks_.end())
|
| - return;
|
| -
|
| - ++index_in_chunk_;
|
| - if (index_in_chunk_ < (*current_chunk_)->access_units.size())
|
| - return;
|
| -
|
| - index_in_chunk_ = 0;
|
| - ++current_chunk_;
|
| -
|
| - // Keep only |history_chunks_amount_| before the current one.
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| - // std::distance() and std::advance() do not work efficiently with std::list,
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| - // but the history_size should be small (default is 0).
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| - size_t num_consumed_chunks = std::distance(chunks_.begin(), current_chunk_);
|
| - if (num_consumed_chunks > history_chunks_amount_) {
|
| - DataChunkQueue::iterator first_to_keep = chunks_.begin();
|
| - std::advance(first_to_keep, num_consumed_chunks - history_chunks_amount_);
|
| - base::STLDeleteContainerPointers(chunks_.begin(), first_to_keep);
|
| - chunks_.erase(chunks_.begin(), first_to_keep);
|
| - }
|
| -}
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| -
|
| -void AccessUnitQueue::Flush() {
|
| - // Media thread
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| - base::AutoLock lock(lock_);
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| -
|
| - base::STLDeleteContainerPointers(chunks_.begin(), chunks_.end());
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| - chunks_.clear();
|
| -
|
| - current_chunk_ = chunks_.end();
|
| - index_in_chunk_ = 0;
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| - has_eos_ = false;
|
| -}
|
| -
|
| -bool AccessUnitQueue::RewindToLastKeyFrame() {
|
| - // Media thread
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| - base::AutoLock lock(lock_);
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| -
|
| - // Search for the key frame backwards. Start with the current AU.
|
| -
|
| - // Start with current chunk.
|
| - if (current_chunk_ != chunks_.end()) {
|
| - for (int i = (int)index_in_chunk_; i >= 0; --i) {
|
| - if ((*current_chunk_)->access_units[i].is_key_frame) {
|
| - index_in_chunk_ = i;
|
| - return true;
|
| - }
|
| - }
|
| - }
|
| -
|
| - // Position reverse iterator before the current chunk.
|
| - DataChunkQueue::reverse_iterator rchunk(current_chunk_);
|
| -
|
| - for (; rchunk != chunks_.rend(); ++rchunk) {
|
| - int i = (int)(*rchunk)->access_units.size() - 1;
|
| - for (; i >= 0; --i) {
|
| - if ((*rchunk)->access_units[i].is_key_frame) {
|
| - index_in_chunk_ = i;
|
| - current_chunk_ = --rchunk.base();
|
| - return true;
|
| - }
|
| - }
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -AccessUnitQueue::Info AccessUnitQueue::GetInfo() const {
|
| - // Media thread, Decoder thread
|
| -
|
| - Info info;
|
| - base::AutoLock lock(lock_);
|
| -
|
| - GetUnconsumedAccessUnitLength(&info.length, &info.data_length);
|
| -
|
| - info.has_eos = has_eos_;
|
| - info.front_unit = nullptr;
|
| - info.configs = nullptr;
|
| -
|
| - if (info.length > 0) {
|
| - DCHECK(current_chunk_ != chunks_.end());
|
| - DCHECK(index_in_chunk_ < (*current_chunk_)->access_units.size());
|
| - info.front_unit = &(*current_chunk_)->access_units[index_in_chunk_];
|
| -
|
| - if (info.front_unit->status == DemuxerStream::kConfigChanged) {
|
| - DCHECK((*current_chunk_)->demuxer_configs.size() == 1);
|
| - info.configs = &(*current_chunk_)->demuxer_configs[0];
|
| - }
|
| - }
|
| - return info;
|
| -}
|
| -
|
| -void AccessUnitQueue::SetHistorySizeForTesting(size_t history_chunks_amount) {
|
| - history_chunks_amount_ = history_chunks_amount;
|
| -}
|
| -
|
| -void AccessUnitQueue::GetUnconsumedAccessUnitLength(int* total_length,
|
| - int* data_length) const {
|
| - *total_length = *data_length = 0;
|
| -
|
| - DataChunkQueue::const_iterator chunk;
|
| - for (chunk = current_chunk_; chunk != chunks_.end(); ++chunk) {
|
| - size_t chunk_size = (*chunk)->access_units.size();
|
| - *total_length += chunk_size;
|
| - *data_length += chunk_size;
|
| -
|
| - // Do not count configuration changes for |data_length|.
|
| - if (!(*chunk)->demuxer_configs.empty()) {
|
| - DCHECK((*chunk)->demuxer_configs.size() == 1);
|
| - --(*data_length);
|
| - }
|
| - }
|
| -
|
| - *total_length -= index_in_chunk_;
|
| - *data_length -= index_in_chunk_;
|
| -}
|
| -
|
| -} // namespace media
|
|
|