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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/renderers/audio_renderer_impl.h" | 5 #include "media/renderers/audio_renderer_impl.h" |
6 | 6 |
7 #include <math.h> | 7 #include <math.h> |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <utility> | 10 #include <utility> |
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29 #include "media/base/renderer_client.h" | 29 #include "media/base/renderer_client.h" |
30 #include "media/base/timestamp_constants.h" | 30 #include "media/base/timestamp_constants.h" |
31 #include "media/filters/audio_clock.h" | 31 #include "media/filters/audio_clock.h" |
32 #include "media/filters/decrypting_demuxer_stream.h" | 32 #include "media/filters/decrypting_demuxer_stream.h" |
33 | 33 |
34 namespace media { | 34 namespace media { |
35 | 35 |
36 AudioRendererImpl::AudioRendererImpl( | 36 AudioRendererImpl::AudioRendererImpl( |
37 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 37 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
38 media::AudioRendererSink* sink, | 38 media::AudioRendererSink* sink, |
39 ScopedVector<AudioDecoder> decoders, | 39 const CreateAudioDecodersCB& create_audio_decoders_cb, |
40 const scoped_refptr<MediaLog>& media_log) | 40 const scoped_refptr<MediaLog>& media_log) |
41 : task_runner_(task_runner), | 41 : task_runner_(task_runner), |
42 expecting_config_changes_(false), | 42 expecting_config_changes_(false), |
43 sink_(sink), | 43 sink_(sink), |
44 audio_buffer_stream_( | |
45 new AudioBufferStream(task_runner, std::move(decoders), media_log)), | |
46 media_log_(media_log), | 44 media_log_(media_log), |
47 client_(nullptr), | 45 client_(nullptr), |
48 tick_clock_(new base::DefaultTickClock()), | 46 tick_clock_(new base::DefaultTickClock()), |
49 last_audio_memory_usage_(0), | 47 last_audio_memory_usage_(0), |
50 last_decoded_sample_rate_(0), | 48 last_decoded_sample_rate_(0), |
51 last_decoded_channel_layout_(CHANNEL_LAYOUT_NONE), | 49 last_decoded_channel_layout_(CHANNEL_LAYOUT_NONE), |
52 playback_rate_(0.0), | 50 playback_rate_(0.0), |
53 state_(kUninitialized), | 51 state_(kUninitialized), |
| 52 create_audio_decoders_cb_(create_audio_decoders_cb), |
54 buffering_state_(BUFFERING_HAVE_NOTHING), | 53 buffering_state_(BUFFERING_HAVE_NOTHING), |
55 rendering_(false), | 54 rendering_(false), |
56 sink_playing_(false), | 55 sink_playing_(false), |
57 pending_read_(false), | 56 pending_read_(false), |
58 received_end_of_stream_(false), | 57 received_end_of_stream_(false), |
59 rendered_end_of_stream_(false), | 58 rendered_end_of_stream_(false), |
60 is_suspending_(false), | 59 is_suspending_(false), |
61 weak_factory_(this) { | 60 weak_factory_(this) { |
62 audio_buffer_stream_->set_config_change_observer(base::Bind( | 61 DCHECK(create_audio_decoders_cb_); |
63 &AudioRendererImpl::OnConfigChange, weak_factory_.GetWeakPtr())); | |
64 | |
65 // Tests may not have a power monitor. | 62 // Tests may not have a power monitor. |
66 base::PowerMonitor* monitor = base::PowerMonitor::Get(); | 63 base::PowerMonitor* monitor = base::PowerMonitor::Get(); |
67 if (!monitor) | 64 if (!monitor) |
68 return; | 65 return; |
69 | 66 |
70 // PowerObserver's must be added and removed from the same thread, but we | 67 // PowerObserver's must be added and removed from the same thread, but we |
71 // won't remove the observer until we're destructed on |task_runner_| so we | 68 // won't remove the observer until we're destructed on |task_runner_| so we |
72 // must post it here if we're on the wrong thread. | 69 // must post it here if we're on the wrong thread. |
73 if (task_runner_->BelongsToCurrentThread()) { | 70 if (task_runner_->BelongsToCurrentThread()) { |
74 monitor->AddObserver(this); | 71 monitor->AddObserver(this); |
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333 void AudioRendererImpl::Initialize(DemuxerStream* stream, | 330 void AudioRendererImpl::Initialize(DemuxerStream* stream, |
334 CdmContext* cdm_context, | 331 CdmContext* cdm_context, |
335 RendererClient* client, | 332 RendererClient* client, |
336 const PipelineStatusCB& init_cb) { | 333 const PipelineStatusCB& init_cb) { |
337 DVLOG(1) << __func__; | 334 DVLOG(1) << __func__; |
338 DCHECK(task_runner_->BelongsToCurrentThread()); | 335 DCHECK(task_runner_->BelongsToCurrentThread()); |
339 DCHECK(client); | 336 DCHECK(client); |
340 DCHECK(stream); | 337 DCHECK(stream); |
341 DCHECK_EQ(stream->type(), DemuxerStream::AUDIO); | 338 DCHECK_EQ(stream->type(), DemuxerStream::AUDIO); |
342 DCHECK(!init_cb.is_null()); | 339 DCHECK(!init_cb.is_null()); |
343 DCHECK_EQ(kUninitialized, state_); | 340 DCHECK(state_ == kUninitialized || state_ == kFlushed); |
344 DCHECK(sink_.get()); | 341 DCHECK(sink_.get()); |
345 | 342 |
| 343 // If we are re-initializing playback (e.g. switching media tracks), stop the |
| 344 // sink first. |
| 345 if (state_ == kFlushed) { |
| 346 sink_->Stop(); |
| 347 audio_clock_.reset(); |
| 348 } |
| 349 |
346 // Trying to track down AudioClock crash, http://crbug.com/674856. | 350 // Trying to track down AudioClock crash, http://crbug.com/674856. |
347 // AudioRenderImpl should only be initialized once to avoid destroying | 351 // AudioRenderImpl should only be initialized once to avoid destroying |
348 // AudioClock while the audio thread is still using it. | 352 // AudioClock while the audio thread is still using it. |
349 CHECK_EQ(audio_clock_.get(), nullptr); | 353 CHECK_EQ(audio_clock_.get(), nullptr); |
350 | 354 |
351 state_ = kInitializing; | 355 state_ = kInitializing; |
352 client_ = client; | 356 client_ = client; |
353 | 357 |
| 358 audio_buffer_stream_ = base::MakeUnique<AudioBufferStream>( |
| 359 task_runner_, create_audio_decoders_cb_.Run(), media_log_); |
| 360 |
| 361 audio_buffer_stream_->set_config_change_observer(base::Bind( |
| 362 &AudioRendererImpl::OnConfigChange, weak_factory_.GetWeakPtr())); |
| 363 |
354 // Always post |init_cb_| because |this| could be destroyed if initialization | 364 // Always post |init_cb_| because |this| could be destroyed if initialization |
355 // failed. | 365 // failed. |
356 init_cb_ = BindToCurrentLoop(init_cb); | 366 init_cb_ = BindToCurrentLoop(init_cb); |
357 | 367 |
358 auto output_device_info = sink_->GetOutputDeviceInfo(); | 368 auto output_device_info = sink_->GetOutputDeviceInfo(); |
359 const AudioParameters& hw_params = output_device_info.output_params(); | 369 const AudioParameters& hw_params = output_device_info.output_params(); |
360 expecting_config_changes_ = stream->SupportsConfigChanges(); | 370 expecting_config_changes_ = stream->SupportsConfigChanges(); |
361 if (!expecting_config_changes_ || !hw_params.IsValid() || | 371 if (!expecting_config_changes_ || !hw_params.IsValid() || |
362 hw_params.format() == AudioParameters::AUDIO_FAKE) { | 372 hw_params.format() == AudioParameters::AUDIO_FAKE) { |
363 // The actual buffer size is controlled via the size of the AudioBus | 373 // The actual buffer size is controlled via the size of the AudioBus |
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999 // All channels with a zero mix are muted and can be ignored. | 1009 // All channels with a zero mix are muted and can be ignored. |
1000 std::vector<bool> channel_mask(audio_parameters_.channels(), false); | 1010 std::vector<bool> channel_mask(audio_parameters_.channels(), false); |
1001 for (size_t ch = 0; ch < matrix.size(); ++ch) { | 1011 for (size_t ch = 0; ch < matrix.size(); ++ch) { |
1002 channel_mask[ch] = std::any_of(matrix[ch].begin(), matrix[ch].end(), | 1012 channel_mask[ch] = std::any_of(matrix[ch].begin(), matrix[ch].end(), |
1003 [](float mix) { return !!mix; }); | 1013 [](float mix) { return !!mix; }); |
1004 } | 1014 } |
1005 algorithm_->SetChannelMask(std::move(channel_mask)); | 1015 algorithm_->SetChannelMask(std::move(channel_mask)); |
1006 } | 1016 } |
1007 | 1017 |
1008 } // namespace media | 1018 } // namespace media |
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