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1 /* Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 /* Copyright (c) 2011 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 PPAPI_C_PPB_AUDIO_CONFIG_H_ | 5 #ifndef PPAPI_C_PPB_AUDIO_CONFIG_H_ |
6 #define PPAPI_C_PPB_AUDIO_CONFIG_H_ | 6 #define PPAPI_C_PPB_AUDIO_CONFIG_H_ |
7 | 7 |
8 #include "ppapi/c/pp_bool.h" | 8 #include "ppapi/c/pp_bool.h" |
9 #include "ppapi/c/pp_instance.h" | 9 #include "ppapi/c/pp_instance.h" |
10 #include "ppapi/c/pp_macros.h" | 10 #include "ppapi/c/pp_macros.h" |
11 #include "ppapi/c/pp_resource.h" | 11 #include "ppapi/c/pp_resource.h" |
12 #include "ppapi/c/pp_stdint.h" | 12 #include "ppapi/c/pp_stdint.h" |
13 | 13 |
14 #define PPB_AUDIO_CONFIG_INTERFACE "PPB_AudioConfig;0.5" | 14 #define PPB_AUDIO_CONFIG_INTERFACE "PPB_AudioConfig;0.5" |
15 | 15 |
| 16 /** |
| 17 * |
| 18 * @addtogroup Enums |
| 19 * @{ |
| 20 */ |
16 enum { | 21 enum { |
17 PP_AUDIOMINSAMPLEFRAMECOUNT = 64, | 22 PP_AUDIOMINSAMPLEFRAMECOUNT = 64, |
18 PP_AUDIOMAXSAMPLEFRAMECOUNT = 32768 | 23 PP_AUDIOMAXSAMPLEFRAMECOUNT = 32768 |
19 }; | 24 }; |
| 25 /** |
| 26 * @} |
| 27 */ |
20 | 28 |
| 29 /** |
| 30 * |
| 31 * @addtogroup Enums |
| 32 * @{ |
| 33 */ |
21 typedef enum { | 34 typedef enum { |
22 PP_AUDIOSAMPLERATE_NONE = 0, | 35 PP_AUDIOSAMPLERATE_NONE = 0, |
23 PP_AUDIOSAMPLERATE_44100 = 44100, | 36 PP_AUDIOSAMPLERATE_44100 = 44100, |
24 PP_AUDIOSAMPLERATE_48000 = 48000 | 37 PP_AUDIOSAMPLERATE_48000 = 48000 |
25 } PP_AudioSampleRate; | 38 } PP_AudioSampleRate; |
| 39 /** |
| 40 * @} |
| 41 */ |
| 42 |
26 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_AudioSampleRate, 4); | 43 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_AudioSampleRate, 4); |
27 | 44 |
28 /** | 45 /** |
| 46 * @addtogroup Interfaces |
| 47 * @{ |
| 48 */ |
| 49 |
| 50 /** |
29 * Audio configuration. This base configuration interface supports only stereo | 51 * Audio configuration. This base configuration interface supports only stereo |
30 * 16bit output. This class is not mutable, therefore it is okay to access | 52 * 16bit output. This class is not mutable, therefore it is okay to access |
31 * instances from different threads. | 53 * instances from different threads. |
32 */ | 54 */ |
33 struct PPB_AudioConfig { | 55 struct PPB_AudioConfig { |
34 /** | 56 /** |
35 * Create a 16 bit stereo config with the given sample rate. We guarantee | 57 * Create a 16 bit stereo config with the given sample rate. We guarantee |
36 * that PP_AUDIOSAMPLERATE_44100 and PP_AUDIOSAMPLERATE_48000 sample rates | 58 * that PP_AUDIOSAMPLERATE_44100 and PP_AUDIOSAMPLERATE_48000 sample rates |
37 * are supported. The |sample_frame_count| should be the result of calling | 59 * are supported. The |sample_frame_count| should be the result of calling |
38 * RecommendSampleFrameCount. If the sample frame count or bit rate aren't | 60 * RecommendSampleFrameCount. If the sample frame count or bit rate aren't |
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86 */ | 108 */ |
87 PP_AudioSampleRate (*GetSampleRate)(PP_Resource config); | 109 PP_AudioSampleRate (*GetSampleRate)(PP_Resource config); |
88 | 110 |
89 /** | 111 /** |
90 * Returns the sample frame count for the given AudioConfig resource. If the | 112 * Returns the sample frame count for the given AudioConfig resource. If the |
91 * resource is invalid, this will return 0. See RecommendSampleFrameCount for | 113 * resource is invalid, this will return 0. See RecommendSampleFrameCount for |
92 * more on sample frame counts. | 114 * more on sample frame counts. |
93 */ | 115 */ |
94 uint32_t (*GetSampleFrameCount)(PP_Resource config); | 116 uint32_t (*GetSampleFrameCount)(PP_Resource config); |
95 }; | 117 }; |
| 118 /** |
| 119 * @} |
| 120 */ |
96 | 121 |
97 #endif /* PPAPI_C_PPB_AUDIO_CONFIG_H_ */ | 122 #endif /* PPAPI_C_PPB_AUDIO_CONFIG_H_ */ |
98 | 123 |
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