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1 // Copyright 2015 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 #ifndef CHROMECAST_MEDIA_AUDIO_CHROMECAST_DEVICE_AUDIO_OUTPUT_STREAM_H_ | |
6 #define CHROMECAST_MEDIA_AUDIO_CHROMECAST_DEVICE_AUDIO_OUTPUT_STREAM_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "chromecast/public/cast_audio_stream.h" | |
10 #include "media/audio/audio_io.h" | |
11 #include "media/audio/audio_manager.h" | |
12 #include "media/base/media_export.h" | |
13 | |
14 namespace chromecast { | |
15 | |
16 struct AudioParameters; | |
17 | |
18 // An implementation of media::AudioOutputStream for any Chromecast device. This | |
19 // passes control requests and data to an instance of the platform-independent | |
20 // chromecast::CastAudioOutputStream interface. | |
21 class ChromecastDeviceAudioOutputStream | |
22 : public chromecast::CastAudioOutputStream::AudioSourceCallback, | |
gunsch
2015/04/27 16:09:11
style nit: don't fully-qualify chromecast-namespac
byungchul
2015/04/27 17:38:06
And, it doesn't have to be public.
slan
2015/04/28 00:11:38
Done.
slan
2015/04/28 00:11:38
Done.
| |
23 public media::AudioOutputStream { | |
24 public: | |
25 ChromecastDeviceAudioOutputStream( | |
26 chromecast::CastAudioOutputStream* output_stream, | |
gunsch
2015/04/27 16:09:11
Describe the ownership model here, since you're pa
slan
2015/04/28 00:11:39
Documentation added clarifying the ownership model
| |
27 const chromecast::AudioParameters& params); | |
28 ~ChromecastDeviceAudioOutputStream() override; | |
29 | |
30 // media::AudioOutputStream implementation: | |
31 bool Open() override; | |
32 void Start(media::AudioOutputStream::AudioSourceCallback* callback) override; | |
33 void Stop() override; | |
34 void SetVolume(double volume) override; | |
35 void GetVolume(double* volume) override; | |
36 void Close() override; | |
37 | |
38 // chromecast::AudioSourceCallback implementation: | |
39 int OnMoreData(void* dest, | |
40 uint32_t len, | |
41 int32_t frames, | |
42 uint32_t total_bytes_delay) override; | |
43 void OnError(chromecast::CastAudioOutputStream* stream) override; | |
44 void OnClose() override; | |
45 | |
46 private: | |
47 // Calls to media::AudioOutputStream interface will be forwarded here. | |
48 chromecast::CastAudioOutputStream* output_stream_; | |
byungchul
2015/04/27 17:38:06
* const
slan
2015/04/28 00:11:38
Done.
| |
49 | |
50 // Calls to chromecast::AudioSourceCallback interface will be forwarded here. | |
51 media::AudioOutputStream::AudioSourceCallback* callback_; | |
52 | |
53 // The parameters describing the stream. | |
54 chromecast::AudioParameters params_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(ChromecastDeviceAudioOutputStream); | |
57 }; | |
58 | |
59 } // namespace chromecast | |
60 | |
61 #endif // CHROMECAST_MEDIA_AUDIO_CHROMECAST_DEVICE_AUDIO_OUTPUT_STREAM_H_ | |
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