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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/logging.h" |
| 6 #include "content/renderer/media/webrtc/webrtc_audio_sink_adapter.h" |
| 7 #include "media/base/audio_bus.h" |
| 8 #include "third_party/webrtc/api/mediastreaminterface.h" |
| 9 |
| 10 namespace content { |
| 11 |
| 12 WebRtcAudioSinkAdapter::WebRtcAudioSinkAdapter( |
| 13 webrtc::AudioTrackSinkInterface* sink) |
| 14 : sink_(sink) { |
| 15 DCHECK(sink); |
| 16 } |
| 17 |
| 18 WebRtcAudioSinkAdapter::~WebRtcAudioSinkAdapter() { |
| 19 } |
| 20 |
| 21 bool WebRtcAudioSinkAdapter::IsEqual( |
| 22 const webrtc::AudioTrackSinkInterface* other) const { |
| 23 return (other == sink_); |
| 24 } |
| 25 |
| 26 void WebRtcAudioSinkAdapter::OnData(const media::AudioBus& audio_bus, |
| 27 base::TimeTicks estimated_capture_time) { |
| 28 DCHECK_EQ(audio_bus.frames(), params_.frames_per_buffer()); |
| 29 DCHECK_EQ(audio_bus.channels(), params_.channels()); |
| 30 // TODO(henrika): Remove this conversion once the interface in libjingle |
| 31 // supports float vectors. |
| 32 audio_bus.ToInterleaved(audio_bus.frames(), |
| 33 sizeof(interleaved_data_[0]), |
| 34 interleaved_data_.get()); |
| 35 sink_->OnData(interleaved_data_.get(), |
| 36 16, |
| 37 params_.sample_rate(), |
| 38 audio_bus.channels(), |
| 39 audio_bus.frames()); |
| 40 } |
| 41 |
| 42 void WebRtcAudioSinkAdapter::OnSetFormat( |
| 43 const media::AudioParameters& params) { |
| 44 DCHECK(params.IsValid()); |
| 45 params_ = params; |
| 46 const int num_pcm16_data_elements = |
| 47 params_.frames_per_buffer() * params_.channels(); |
| 48 interleaved_data_.reset(new int16_t[num_pcm16_data_elements]); |
| 49 } |
| 50 |
| 51 } // namespace content |
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