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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_DEV_PPB_AUDIO_CONFIG_DEV_H_ | 5 #ifndef PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ |
| 6 #define PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ | 6 #define PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ |
| 7 | 7 |
| 8 #include "ppapi/c/pp_bool.h" |
| 8 #include "ppapi/c/pp_module.h" | 9 #include "ppapi/c/pp_module.h" |
| 9 #include "ppapi/c/pp_resource.h" | 10 #include "ppapi/c/pp_resource.h" |
| 10 #include "ppapi/c/pp_stdint.h" | 11 #include "ppapi/c/pp_stdint.h" |
| 11 | 12 |
| 12 #define PPB_AUDIO_CONFIG_DEV_INTERFACE "PPB_AudioConfig(Dev);0.2" | 13 #define PPB_AUDIO_CONFIG_DEV_INTERFACE "PPB_AudioConfig(Dev);0.3" |
| 13 | 14 |
| 14 enum { | 15 enum { |
| 15 PP_AUDIOMINSAMPLEFRAMECOUNT = 64, | 16 PP_AUDIOMINSAMPLEFRAMECOUNT = 64, |
| 16 PP_AUDIOMAXSAMPLEFRAMECOUNT = 32768 | 17 PP_AUDIOMAXSAMPLEFRAMECOUNT = 32768 |
| 17 }; | 18 }; |
| 18 | 19 |
| 19 typedef enum { | 20 typedef enum { |
| 20 PP_AUDIOSAMPLERATE_NONE = 0, | 21 PP_AUDIOSAMPLERATE_NONE = 0, |
| 21 PP_AUDIOSAMPLERATE_44100 = 44100, | 22 PP_AUDIOSAMPLERATE_44100 = 44100, |
| 22 PP_AUDIOSAMPLERATE_48000 = 48000 | 23 PP_AUDIOSAMPLERATE_48000 = 48000 |
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| 67 * will return a supported count closest to the requested value. | 68 * will return a supported count closest to the requested value. |
| 68 * | 69 * |
| 69 * If you pass 0 as the requested sample count, the recommended sample for | 70 * If you pass 0 as the requested sample count, the recommended sample for |
| 70 * the local system is returned. | 71 * the local system is returned. |
| 71 */ | 72 */ |
| 72 uint32_t (*RecommendSampleFrameCount)(uint32_t requested_sample_frame_count); | 73 uint32_t (*RecommendSampleFrameCount)(uint32_t requested_sample_frame_count); |
| 73 | 74 |
| 74 /** | 75 /** |
| 75 * Returns true if the given resource is an AudioConfig object. | 76 * Returns true if the given resource is an AudioConfig object. |
| 76 */ | 77 */ |
| 77 bool (*IsAudioConfig)(PP_Resource resource); | 78 PP_Bool (*IsAudioConfig)(PP_Resource resource); |
| 78 | 79 |
| 79 /** | 80 /** |
| 80 * Returns the sample rate for the given AudioConfig resource. If the | 81 * Returns the sample rate for the given AudioConfig resource. If the |
| 81 * resource is invalid, this will return PP_AUDIOSAMPLERATE_NONE. | 82 * resource is invalid, this will return PP_AUDIOSAMPLERATE_NONE. |
| 82 */ | 83 */ |
| 83 PP_AudioSampleRate_Dev (*GetSampleRate)(PP_Resource config); | 84 PP_AudioSampleRate_Dev (*GetSampleRate)(PP_Resource config); |
| 84 | 85 |
| 85 /** | 86 /** |
| 86 * Returns the sample frame count for the given AudioConfig resource. If the | 87 * Returns the sample frame count for the given AudioConfig resource. If the |
| 87 * resource is invalid, this will return 0. See RecommendSampleFrameCount for | 88 * resource is invalid, this will return 0. See RecommendSampleFrameCount for |
| 88 * more on sample frame counts. | 89 * more on sample frame counts. |
| 89 */ | 90 */ |
| 90 uint32_t (*GetSampleFrameCount)(PP_Resource config); | 91 uint32_t (*GetSampleFrameCount)(PP_Resource config); |
| 91 }; | 92 }; |
| 92 | 93 |
| 93 #endif // PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ | 94 #endif // PPAPI_C_DEV_PPB_AUDIO_CONFIG_DEV_H_ |
| 94 | |
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