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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 #ifndef TALK_MEDIA_BASE_AUDIORENDERER_H_ | 28 #ifndef TALK_MEDIA_BASE_AUDIORENDERER_H_ |
29 #define TALK_MEDIA_BASE_AUDIORENDERER_H_ | 29 #define TALK_MEDIA_BASE_AUDIORENDERER_H_ |
30 | 30 |
| 31 #include <cstddef> |
| 32 |
31 namespace cricket { | 33 namespace cricket { |
32 | 34 |
33 // Abstract interface for rendering the audio data. | 35 // Abstract interface for rendering the audio data. |
34 class AudioRenderer { | 36 class AudioRenderer { |
35 public: | 37 public: |
36 class Sink { | 38 class Sink { |
37 public: | 39 public: |
38 // Callback to receive data from the AudioRenderer. | 40 // Callback to receive data from the AudioRenderer. |
39 virtual void OnData(const void* audio_data, | 41 virtual void OnData(const void* audio_data, |
40 int bits_per_sample, | 42 int bits_per_sample, |
41 int sample_rate, | 43 int sample_rate, |
42 int number_of_channels, | 44 int number_of_channels, |
43 int number_of_frames) = 0; | 45 size_t number_of_frames) = 0; |
44 | 46 |
45 // Called when the AudioRenderer is going away. | 47 // Called when the AudioRenderer is going away. |
46 virtual void OnClose() = 0; | 48 virtual void OnClose() = 0; |
47 | 49 |
48 protected: | 50 protected: |
49 virtual ~Sink() {} | 51 virtual ~Sink() {} |
50 }; | 52 }; |
51 | 53 |
52 // Sets a sink to the AudioRenderer. There can be only one sink connected | 54 // Sets a sink to the AudioRenderer. There can be only one sink connected |
53 // to the renderer at a time. | 55 // to the renderer at a time. |
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67 // AudioRenderer::Sink interface. | 69 // AudioRenderer::Sink interface. |
68 virtual void RemoveChannel(int channel_id) {} | 70 virtual void RemoveChannel(int channel_id) {} |
69 | 71 |
70 protected: | 72 protected: |
71 virtual ~AudioRenderer() {} | 73 virtual ~AudioRenderer() {} |
72 }; | 74 }; |
73 | 75 |
74 } // namespace cricket | 76 } // namespace cricket |
75 | 77 |
76 #endif // TALK_MEDIA_BASE_AUDIORENDERER_H_ | 78 #endif // TALK_MEDIA_BASE_AUDIORENDERER_H_ |
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