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Side by Side Diff: content/renderer/media/webrtc_local_audio_source_provider.h

Issue 63253002: Rename WebKit namespace to blink (part 3) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 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 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_ 5 #ifndef CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_
6 #define CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_ 6 #define CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_
7 7
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "base/synchronization/lock.h" 9 #include "base/synchronization/lock.h"
10 #include "base/threading/thread_checker.h" 10 #include "base/threading/thread_checker.h"
11 #include "base/time/time.h" 11 #include "base/time/time.h"
12 #include "content/common/content_export.h" 12 #include "content/common/content_export.h"
13 #include "media/base/audio_converter.h" 13 #include "media/base/audio_converter.h"
14 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h" 14 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h"
15 #include "third_party/WebKit/public/platform/WebVector.h" 15 #include "third_party/WebKit/public/platform/WebVector.h"
16 16
17 namespace media { 17 namespace media {
18 class AudioBus; 18 class AudioBus;
19 class AudioConverter; 19 class AudioConverter;
20 class AudioFifo; 20 class AudioFifo;
21 class AudioParameters; 21 class AudioParameters;
22 } 22 }
23 23
24 namespace WebKit { 24 namespace blink {
25 class WebAudioSourceProviderClient; 25 class WebAudioSourceProviderClient;
26 } 26 }
27 27
28 namespace content { 28 namespace content {
29 29
30 // WebRtcLocalAudioSourceProvider provides a bridge between classes: 30 // WebRtcLocalAudioSourceProvider provides a bridge between classes:
31 // WebRtcAudioCapturer ---> WebKit::WebAudioSourceProvider 31 // WebRtcAudioCapturer ---> blink::WebAudioSourceProvider
32 // 32 //
33 // WebRtcLocalAudioSourceProvider works as a sink to the WebRtcAudiocapturer 33 // WebRtcLocalAudioSourceProvider works as a sink to the WebRtcAudiocapturer
34 // and store the capture data to a FIFO. When the media stream is connected to 34 // and store the capture data to a FIFO. When the media stream is connected to
35 // WebAudio as a source provider, WebAudio will periodically call 35 // WebAudio as a source provider, WebAudio will periodically call
36 // provideInput() to get the data from the FIFO. 36 // provideInput() to get the data from the FIFO.
37 // 37 //
38 // All calls are protected by a lock. 38 // All calls are protected by a lock.
39 class CONTENT_EXPORT WebRtcLocalAudioSourceProvider 39 class CONTENT_EXPORT WebRtcLocalAudioSourceProvider
40 : NON_EXPORTED_BASE(public media::AudioConverter::InputCallback), 40 : NON_EXPORTED_BASE(public media::AudioConverter::InputCallback),
41 NON_EXPORTED_BASE(public WebKit::WebAudioSourceProvider) { 41 NON_EXPORTED_BASE(public blink::WebAudioSourceProvider) {
42 public: 42 public:
43 static const size_t kWebAudioRenderBufferSize; 43 static const size_t kWebAudioRenderBufferSize;
44 44
45 WebRtcLocalAudioSourceProvider(); 45 WebRtcLocalAudioSourceProvider();
46 virtual ~WebRtcLocalAudioSourceProvider(); 46 virtual ~WebRtcLocalAudioSourceProvider();
47 47
48 // Initialize function for the souce provider. This can be called multiple 48 // Initialize function for the souce provider. This can be called multiple
49 // times if the source format has changed. 49 // times if the source format has changed.
50 void Initialize(const media::AudioParameters& source_params); 50 void Initialize(const media::AudioParameters& source_params);
51 51
52 // Called by the WebRtcAudioCapturer to deliever captured data into fifo on 52 // Called by the WebRtcAudioCapturer to deliever captured data into fifo on
53 // the capture audio thread. 53 // the capture audio thread.
54 void DeliverData(media::AudioBus* audio_source, 54 void DeliverData(media::AudioBus* audio_source,
55 int audio_delay_milliseconds, 55 int audio_delay_milliseconds,
56 int volume, 56 int volume,
57 bool key_pressed); 57 bool key_pressed);
58 58
59 // Called by the WebAudioCapturerSource to get the audio processing params. 59 // Called by the WebAudioCapturerSource to get the audio processing params.
60 // This function is triggered by provideInput() on the WebAudio audio thread, 60 // This function is triggered by provideInput() on the WebAudio audio thread,
61 // so it has been under the protection of |lock_|. 61 // so it has been under the protection of |lock_|.
62 void GetAudioProcessingParams(int* delay_ms, int* volume, bool* key_pressed); 62 void GetAudioProcessingParams(int* delay_ms, int* volume, bool* key_pressed);
63 63
64 // WebKit::WebAudioSourceProvider implementation. 64 // blink::WebAudioSourceProvider implementation.
65 virtual void setClient(WebKit::WebAudioSourceProviderClient* client) OVERRIDE; 65 virtual void setClient(blink::WebAudioSourceProviderClient* client) OVERRIDE;
66 virtual void provideInput(const WebKit::WebVector<float*>& audio_data, 66 virtual void provideInput(const blink::WebVector<float*>& audio_data,
67 size_t number_of_frames) OVERRIDE; 67 size_t number_of_frames) OVERRIDE;
68 68
69 // media::AudioConverter::Inputcallback implementation. 69 // media::AudioConverter::Inputcallback implementation.
70 // This function is triggered by provideInput()on the WebAudio audio thread, 70 // This function is triggered by provideInput()on the WebAudio audio thread,
71 // so it has been under the protection of |lock_|. 71 // so it has been under the protection of |lock_|.
72 virtual double ProvideInput(media::AudioBus* audio_bus, 72 virtual double ProvideInput(media::AudioBus* audio_bus,
73 base::TimeDelta buffer_delay) OVERRIDE; 73 base::TimeDelta buffer_delay) OVERRIDE;
74 74
75 // Method to allow the unittests to inject its own sink parameters to avoid 75 // Method to allow the unittests to inject its own sink parameters to avoid
76 // query the hardware. 76 // query the hardware.
(...skipping 23 matching lines...) Expand all
100 100
101 // Used to report the correct delay to |webaudio_source_|. 101 // Used to report the correct delay to |webaudio_source_|.
102 base::TimeTicks last_fill_; 102 base::TimeTicks last_fill_;
103 103
104 DISALLOW_COPY_AND_ASSIGN(WebRtcLocalAudioSourceProvider); 104 DISALLOW_COPY_AND_ASSIGN(WebRtcLocalAudioSourceProvider);
105 }; 105 };
106 106
107 } // namespace content 107 } // namespace content
108 108
109 #endif // CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_ 109 #endif // CONTENT_RENDERER_MEDIA_WEBRTC_LOCAL_AUDIO_SOURCE_PROVIDER_H_
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