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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/timestamp_constants.h" | 29 #include "media/base/timestamp_constants.h" |
30 #include "media/filters/audio_clock.h" | 30 #include "media/filters/audio_clock.h" |
31 #include "media/filters/decrypting_demuxer_stream.h" | 31 #include "media/filters/decrypting_demuxer_stream.h" |
32 | 32 |
33 namespace media { | 33 namespace media { |
34 | 34 |
35 AudioRendererImpl::AudioRendererImpl( | 35 AudioRendererImpl::AudioRendererImpl( |
36 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | 36 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
37 media::AudioRendererSink* sink, | 37 media::AudioRendererSink* sink, |
38 ScopedVector<AudioDecoder> decoders, | 38 ScopedVector<AudioDecoder> decoders, |
39 const AudioHardwareConfig& hardware_config, | |
40 const scoped_refptr<MediaLog>& media_log) | 39 const scoped_refptr<MediaLog>& media_log) |
41 : task_runner_(task_runner), | 40 : task_runner_(task_runner), |
42 expecting_config_changes_(false), | 41 expecting_config_changes_(false), |
43 sink_(sink), | 42 sink_(sink), |
44 audio_buffer_stream_( | 43 audio_buffer_stream_( |
45 new AudioBufferStream(task_runner, std::move(decoders), media_log)), | 44 new AudioBufferStream(task_runner, std::move(decoders), media_log)), |
46 hardware_config_(hardware_config), | |
47 media_log_(media_log), | 45 media_log_(media_log), |
48 client_(nullptr), | 46 client_(nullptr), |
49 tick_clock_(new base::DefaultTickClock()), | 47 tick_clock_(new base::DefaultTickClock()), |
50 last_audio_memory_usage_(0), | 48 last_audio_memory_usage_(0), |
51 last_decoded_sample_rate_(0), | 49 last_decoded_sample_rate_(0), |
52 playback_rate_(0.0), | 50 playback_rate_(0.0), |
53 state_(kUninitialized), | 51 state_(kUninitialized), |
54 buffering_state_(BUFFERING_HAVE_NOTHING), | 52 buffering_state_(BUFFERING_HAVE_NOTHING), |
55 rendering_(false), | 53 rendering_(false), |
56 sink_playing_(false), | 54 sink_playing_(false), |
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326 DCHECK_EQ(kUninitialized, state_); | 324 DCHECK_EQ(kUninitialized, state_); |
327 DCHECK(sink_.get()); | 325 DCHECK(sink_.get()); |
328 | 326 |
329 state_ = kInitializing; | 327 state_ = kInitializing; |
330 client_ = client; | 328 client_ = client; |
331 | 329 |
332 // Always post |init_cb_| because |this| could be destroyed if initialization | 330 // Always post |init_cb_| because |this| could be destroyed if initialization |
333 // failed. | 331 // failed. |
334 init_cb_ = BindToCurrentLoop(init_cb); | 332 init_cb_ = BindToCurrentLoop(init_cb); |
335 | 333 |
336 const AudioParameters& hw_params = hardware_config_.GetOutputConfig(); | 334 const AudioParameters& hw_params = |
| 335 sink_->GetOutputDeviceInfo().output_params(); |
337 expecting_config_changes_ = stream->SupportsConfigChanges(); | 336 expecting_config_changes_ = stream->SupportsConfigChanges(); |
338 if (!expecting_config_changes_ || !hw_params.IsValid() || | 337 if (!expecting_config_changes_ || !hw_params.IsValid() || |
339 hw_params.format() == AudioParameters::AUDIO_FAKE) { | 338 hw_params.format() == AudioParameters::AUDIO_FAKE) { |
340 // The actual buffer size is controlled via the size of the AudioBus | 339 // The actual buffer size is controlled via the size of the AudioBus |
341 // provided to Render(), so just choose something reasonable here for looks. | 340 // provided to Render(), so just choose something reasonable here for looks. |
342 int buffer_size = stream->audio_decoder_config().samples_per_second() / 100; | 341 int buffer_size = stream->audio_decoder_config().samples_per_second() / 100; |
343 audio_parameters_.Reset( | 342 audio_parameters_.Reset( |
344 AudioParameters::AUDIO_PCM_LOW_LATENCY, | 343 AudioParameters::AUDIO_PCM_LOW_LATENCY, |
345 stream->audio_decoder_config().channel_layout(), | 344 stream->audio_decoder_config().channel_layout(), |
346 stream->audio_decoder_config().samples_per_second(), | 345 stream->audio_decoder_config().samples_per_second(), |
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926 DCHECK_NE(buffering_state_, buffering_state); | 925 DCHECK_NE(buffering_state_, buffering_state); |
927 lock_.AssertAcquired(); | 926 lock_.AssertAcquired(); |
928 buffering_state_ = buffering_state; | 927 buffering_state_ = buffering_state; |
929 | 928 |
930 task_runner_->PostTask( | 929 task_runner_->PostTask( |
931 FROM_HERE, base::Bind(&AudioRendererImpl::OnBufferingStateChange, | 930 FROM_HERE, base::Bind(&AudioRendererImpl::OnBufferingStateChange, |
932 weak_factory_.GetWeakPtr(), buffering_state_)); | 931 weak_factory_.GetWeakPtr(), buffering_state_)); |
933 } | 932 } |
934 | 933 |
935 } // namespace media | 934 } // namespace media |
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