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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/filters/ffmpeg_demuxer.h" | 5 #include "media/filters/ffmpeg_demuxer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <memory> | 8 #include <memory> |
9 #include <set> | 9 #include <set> |
10 #include <utility> | 10 #include <utility> |
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1627 | 1627 |
1628 // Resume reading until capacity. | 1628 // Resume reading until capacity. |
1629 ReadFrameIfNeeded(); | 1629 ReadFrameIfNeeded(); |
1630 | 1630 |
1631 // Notify we're finished seeking. | 1631 // Notify we're finished seeking. |
1632 base::ResetAndReturn(&pending_seek_cb_).Run(PIPELINE_OK); | 1632 base::ResetAndReturn(&pending_seek_cb_).Run(PIPELINE_OK); |
1633 } | 1633 } |
1634 | 1634 |
1635 void FFmpegDemuxer::OnEnabledAudioTracksChanged( | 1635 void FFmpegDemuxer::OnEnabledAudioTracksChanged( |
1636 const std::vector<MediaTrack::Id>& track_ids, | 1636 const std::vector<MediaTrack::Id>& track_ids, |
1637 base::TimeDelta currTime) { | 1637 base::TimeDelta curr_time) { |
1638 DCHECK(task_runner_->BelongsToCurrentThread()); | 1638 DCHECK(task_runner_->BelongsToCurrentThread()); |
1639 | 1639 |
1640 std::set<FFmpegDemuxerStream*> enabled_streams; | 1640 std::set<FFmpegDemuxerStream*> enabled_streams; |
1641 for (const auto& id : track_ids) { | 1641 for (const auto& id : track_ids) { |
1642 FFmpegDemuxerStream* stream = track_id_to_demux_stream_map_[id]; | 1642 FFmpegDemuxerStream* stream = track_id_to_demux_stream_map_[id]; |
1643 DCHECK(stream); | 1643 DCHECK(stream); |
1644 DCHECK_EQ(DemuxerStream::AUDIO, stream->type()); | 1644 DCHECK_EQ(DemuxerStream::AUDIO, stream->type()); |
1645 enabled_streams.insert(stream); | 1645 enabled_streams.insert(stream); |
1646 } | 1646 } |
1647 | 1647 |
1648 // First disable all streams that need to be disabled and then enable streams | 1648 // First disable all streams that need to be disabled and then enable streams |
1649 // that are enabled. | 1649 // that are enabled. |
1650 for (const auto& stream : streams_) { | 1650 for (const auto& stream : streams_) { |
1651 if (stream && stream->type() == DemuxerStream::AUDIO && | 1651 if (stream && stream->type() == DemuxerStream::AUDIO && |
1652 enabled_streams.find(stream.get()) == enabled_streams.end()) { | 1652 enabled_streams.find(stream.get()) == enabled_streams.end()) { |
1653 DVLOG(1) << __func__ << ": disabling stream " << stream.get(); | 1653 DVLOG(1) << __func__ << ": disabling stream " << stream.get(); |
1654 stream->set_enabled(false, currTime); | 1654 stream->set_enabled(false, curr_time); |
1655 } | 1655 } |
1656 } | 1656 } |
1657 for (auto* stream : enabled_streams) { | 1657 for (auto* stream : enabled_streams) { |
1658 DCHECK(stream); | 1658 DCHECK(stream); |
1659 DVLOG(1) << __func__ << ": enabling stream " << stream; | 1659 DVLOG(1) << __func__ << ": enabling stream " << stream; |
1660 stream->set_enabled(true, currTime); | 1660 stream->set_enabled(true, curr_time); |
1661 } | 1661 } |
1662 } | 1662 } |
1663 | 1663 |
1664 void FFmpegDemuxer::OnSelectedVideoTrackChanged( | 1664 void FFmpegDemuxer::OnSelectedVideoTrackChanged( |
1665 const std::vector<MediaTrack::Id>& track_ids, | 1665 base::Optional<MediaTrack::Id> track_id, |
1666 base::TimeDelta currTime) { | 1666 base::TimeDelta curr_time) { |
1667 DCHECK(task_runner_->BelongsToCurrentThread()); | 1667 DCHECK(task_runner_->BelongsToCurrentThread()); |
1668 DCHECK_LE(track_ids.size(), 1u); | |
1669 | 1668 |
1670 FFmpegDemuxerStream* selected_stream = nullptr; | 1669 FFmpegDemuxerStream* selected_stream = nullptr; |
1671 if (!track_ids.empty()) { | 1670 if (track_id) { |
1672 selected_stream = track_id_to_demux_stream_map_[track_ids[0]]; | 1671 selected_stream = track_id_to_demux_stream_map_[*track_id]; |
1673 DCHECK(selected_stream); | 1672 DCHECK(selected_stream); |
1674 DCHECK_EQ(DemuxerStream::VIDEO, selected_stream->type()); | 1673 DCHECK_EQ(DemuxerStream::VIDEO, selected_stream->type()); |
1675 } | 1674 } |
1676 | 1675 |
1677 // First disable all streams that need to be disabled and then enable the | 1676 // First disable all streams that need to be disabled and then enable the |
1678 // stream that needs to be enabled (if any). | 1677 // stream that needs to be enabled (if any). |
1679 for (const auto& stream : streams_) { | 1678 for (const auto& stream : streams_) { |
1680 if (stream && stream->type() == DemuxerStream::VIDEO && | 1679 if (stream && stream->type() == DemuxerStream::VIDEO && |
1681 stream.get() != selected_stream) { | 1680 stream.get() != selected_stream) { |
1682 DVLOG(1) << __func__ << ": disabling stream " << stream.get(); | 1681 DVLOG(1) << __func__ << ": disabling stream " << stream.get(); |
1683 stream->set_enabled(false, currTime); | 1682 stream->set_enabled(false, curr_time); |
1684 } | 1683 } |
1685 } | 1684 } |
1686 if (selected_stream) { | 1685 if (selected_stream) { |
1687 DVLOG(1) << __func__ << ": enabling stream " << selected_stream; | 1686 DVLOG(1) << __func__ << ": enabling stream " << selected_stream; |
1688 selected_stream->set_enabled(true, currTime); | 1687 selected_stream->set_enabled(true, curr_time); |
1689 } | 1688 } |
1690 } | 1689 } |
1691 | 1690 |
1692 void FFmpegDemuxer::ReadFrameIfNeeded() { | 1691 void FFmpegDemuxer::ReadFrameIfNeeded() { |
1693 DCHECK(task_runner_->BelongsToCurrentThread()); | 1692 DCHECK(task_runner_->BelongsToCurrentThread()); |
1694 | 1693 |
1695 // Make sure we have work to do before reading. | 1694 // Make sure we have work to do before reading. |
1696 if (!blocking_thread_.IsRunning() || !StreamsHaveAvailableCapacity() || | 1695 if (!blocking_thread_.IsRunning() || !StreamsHaveAvailableCapacity() || |
1697 pending_read_ || !pending_seek_cb_.is_null()) { | 1696 pending_read_ || !pending_seek_cb_.is_null()) { |
1698 return; | 1697 return; |
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1837 | 1836 |
1838 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) { | 1837 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) { |
1839 DCHECK(task_runner_->BelongsToCurrentThread()); | 1838 DCHECK(task_runner_->BelongsToCurrentThread()); |
1840 for (const auto& stream : streams_) { | 1839 for (const auto& stream : streams_) { |
1841 if (stream) | 1840 if (stream) |
1842 stream->SetLiveness(liveness); | 1841 stream->SetLiveness(liveness); |
1843 } | 1842 } |
1844 } | 1843 } |
1845 | 1844 |
1846 } // namespace media | 1845 } // namespace media |
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