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Side by Side Diff: ppapi/c/ppb_audio_buffer.h

Issue 156863005: [PPAPI][MediaStream] Rename AudioFrame to AudioBuffer (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@frame_to_buffer
Patch Set: Update Created 6 years, 10 months ago
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1 /* Copyright 2014 The Chromium Authors. All rights reserved. 1 /* Copyright 2014 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 5
6 /* From ppb_audio_frame.idl modified Wed Jan 29 13:24:24 2014. */ 6 /* From ppb_audio_buffer.idl modified Thu Feb 6 15:31:48 2014. */
7 7
8 #ifndef PPAPI_C_PPB_AUDIO_FRAME_H_ 8 #ifndef PPAPI_C_PPB_AUDIO_BUFFER_H_
9 #define PPAPI_C_PPB_AUDIO_FRAME_H_ 9 #define PPAPI_C_PPB_AUDIO_BUFFER_H_
10 10
11 #include "ppapi/c/pp_bool.h" 11 #include "ppapi/c/pp_bool.h"
12 #include "ppapi/c/pp_macros.h" 12 #include "ppapi/c/pp_macros.h"
13 #include "ppapi/c/pp_resource.h" 13 #include "ppapi/c/pp_resource.h"
14 #include "ppapi/c/pp_stdint.h" 14 #include "ppapi/c/pp_stdint.h"
15 #include "ppapi/c/pp_time.h" 15 #include "ppapi/c/pp_time.h"
16 16
17 #define PPB_AUDIOFRAME_INTERFACE_0_1 "PPB_AudioFrame;0.1" /* dev */ 17 #define PPB_AUDIOBUFFER_INTERFACE_0_1 "PPB_AudioBuffer;0.1" /* dev */
18 /** 18 /**
19 * @file 19 * @file
20 * Defines the <code>PPB_AudioFrame</code> interface. 20 * Defines the <code>PPB_AudioBuffer</code> interface.
21 */ 21 */
22 22
23 23
24 /** 24 /**
25 * @addtogroup Enums 25 * @addtogroup Enums
26 * @{ 26 * @{
27 */ 27 */
28 /** 28 /**
29 * PP_AudioFrame_SampleRate is an enumeration of the different audio sample 29 * PP_AudioBuffer_SampleRate is an enumeration of the different audio sample
30 * rates. 30 * rates.
31 */ 31 */
32 typedef enum { 32 typedef enum {
33 PP_AUDIOFRAME_SAMPLERATE_UNKNOWN = 0, 33 PP_AUDIOBUFFER_SAMPLERATE_UNKNOWN = 0,
34 PP_AUDIOFRAME_SAMPLERATE_8000 = 8000, 34 PP_AUDIOBUFFER_SAMPLERATE_8000 = 8000,
35 PP_AUDIOFRAME_SAMPLERATE_44100 = 44100 35 PP_AUDIOBUFFER_SAMPLERATE_44100 = 44100
36 } PP_AudioFrame_SampleRate; 36 } PP_AudioBuffer_SampleRate;
37 37
38 /** 38 /**
39 * PP_AudioFrame_SampleSize is an enumeration of the different audio sample 39 * PP_AudioBuffer_SampleSize is an enumeration of the different audio sample
40 * sizes. 40 * sizes.
41 */ 41 */
42 typedef enum { 42 typedef enum {
43 PP_AUDIOFRAME_SAMPLESIZE_UNKNOWN = 0, 43 PP_AUDIOBUFFER_SAMPLESIZE_UNKNOWN = 0,
44 PP_AUDIOFRAME_SAMPLESIZE_16_BITS = 2 44 PP_AUDIOBUFFER_SAMPLESIZE_16_BITS = 2
45 } PP_AudioFrame_SampleSize; 45 } PP_AudioBuffer_SampleSize;
46 /** 46 /**
47 * @} 47 * @}
48 */ 48 */
49 49
50 /** 50 /**
51 * @addtogroup Interfaces 51 * @addtogroup Interfaces
52 * @{ 52 * @{
53 */ 53 */
54 struct PPB_AudioFrame_0_1 { /* dev */ 54 struct PPB_AudioBuffer_0_1 { /* dev */
55 /** 55 /**
56 * Determines if a resource is an AudioFrame resource. 56 * Determines if a resource is an AudioBuffer resource.
57 * 57 *
58 * @param[in] resource The <code>PP_Resource</code> to test. 58 * @param[in] resource The <code>PP_Resource</code> to test.
59 * 59 *
60 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given 60 * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given
61 * resource is an AudioFrame resource or <code>PP_FALSE</code> otherwise. 61 * resource is an AudioBuffer resource or <code>PP_FALSE</code> otherwise.
62 */ 62 */
63 PP_Bool (*IsAudioFrame)(PP_Resource resource); 63 PP_Bool (*IsAudioBuffer)(PP_Resource resource);
64 /** 64 /**
65 * Gets the timestamp of the audio frame. 65 * Gets the timestamp of the audio buffer.
66 * 66 *
67 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 67 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
68 * resource. 68 * buffer resource.
69 * 69 *
70 * @return A <code>PP_TimeDelta</code> containing the timestamp of the audio 70 * @return A <code>PP_TimeDelta</code> containing the timestamp of the audio
71 * frame. Given in seconds since the start of the containing audio stream. 71 * buffer. Given in seconds since the start of the containing audio stream.
72 */ 72 */
73 PP_TimeDelta (*GetTimestamp)(PP_Resource frame); 73 PP_TimeDelta (*GetTimestamp)(PP_Resource buffer);
74 /** 74 /**
75 * Sets the timestamp of the audio frame. 75 * Sets the timestamp of the audio buffer.
76 * 76 *
77 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 77 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
78 * resource. 78 * buffer resource.
79 * @param[in] timestamp A <code>PP_TimeDelta</code> containing the timestamp 79 * @param[in] timestamp A <code>PP_TimeDelta</code> containing the timestamp
80 * of the audio frame. Given in seconds since the start of the containing 80 * of the audio buffer. Given in seconds since the start of the containing
81 * audio stream. 81 * audio stream.
82 */ 82 */
83 void (*SetTimestamp)(PP_Resource frame, PP_TimeDelta timestamp); 83 void (*SetTimestamp)(PP_Resource buffer, PP_TimeDelta timestamp);
84 /** 84 /**
85 * Gets the sample rate of the audio frame. 85 * Gets the sample rate of the audio buffer.
86 * 86 *
87 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 87 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
88 * resource. 88 * buffer resource.
89 * 89 *
90 * @return The sample rate of the audio frame. 90 * @return The sample rate of the audio buffer.
91 */ 91 */
92 PP_AudioFrame_SampleRate (*GetSampleRate)(PP_Resource frame); 92 PP_AudioBuffer_SampleRate (*GetSampleRate)(PP_Resource buffer);
93 /** 93 /**
94 * Gets the sample size of the audio frame. 94 * Gets the sample size of the audio buffer.
95 * 95 *
96 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 96 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
97 * resource. 97 * buffer resource.
98 * 98 *
99 * @return The sample size of the audio frame. 99 * @return The sample size of the audio buffer.
100 */ 100 */
101 PP_AudioFrame_SampleSize (*GetSampleSize)(PP_Resource frame); 101 PP_AudioBuffer_SampleSize (*GetSampleSize)(PP_Resource buffer);
102 /** 102 /**
103 * Gets the number of channels in the audio frame. 103 * Gets the number of channels in the audio buffer.
104 * 104 *
105 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 105 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
106 * resource. 106 * buffer resource.
107 * 107 *
108 * @return The number of channels in the audio frame. 108 * @return The number of channels in the audio buffer.
109 */ 109 */
110 uint32_t (*GetNumberOfChannels)(PP_Resource frame); 110 uint32_t (*GetNumberOfChannels)(PP_Resource buffer);
111 /** 111 /**
112 * Gets the number of samples in the audio frame. 112 * Gets the number of samples in the audio buffer.
113 * 113 *
114 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 114 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
115 * resource. 115 * buffer resource.
116 * 116 *
117 * @return The number of samples in the audio frame. 117 * @return The number of samples in the audio buffer.
118 * For example, at a sampling rate of 44,100 Hz in stereo audio, a frame 118 * For example, at a sampling rate of 44,100 Hz in stereo audio, a buffer
119 * containing 4410 * 2 samples would have a duration of 100 milliseconds. 119 * containing 4410 * 2 samples would have a duration of 100 milliseconds.
120 */ 120 */
121 uint32_t (*GetNumberOfSamples)(PP_Resource frame); 121 uint32_t (*GetNumberOfSamples)(PP_Resource buffer);
122 /** 122 /**
123 * Gets the data buffer containing the audio frame samples. 123 * Gets the data buffer containing the audio samples.
124 * 124 *
125 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 125 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
126 * resource. 126 * buffer resource.
127 * 127 *
128 * @return A pointer to the beginning of the data buffer. 128 * @return A pointer to the beginning of the data buffer.
129 */ 129 */
130 void* (*GetDataBuffer)(PP_Resource frame); 130 void* (*GetDataBuffer)(PP_Resource buffer);
131 /** 131 /**
132 * Gets the size of the data buffer in bytes. 132 * Gets the size of the data buffer in bytes.
133 * 133 *
134 * @param[in] frame A <code>PP_Resource</code> corresponding to an audio frame 134 * @param[in] buffer A <code>PP_Resource</code> corresponding to an audio
135 * resource. 135 * buffer resource.
136 * 136 *
137 * @return The size of the data buffer in bytes. 137 * @return The size of the data buffer in bytes.
138 */ 138 */
139 uint32_t (*GetDataBufferSize)(PP_Resource frame); 139 uint32_t (*GetDataBufferSize)(PP_Resource buffer);
140 }; 140 };
141 /** 141 /**
142 * @} 142 * @}
143 */ 143 */
144 144
145 #endif /* PPAPI_C_PPB_AUDIO_FRAME_H_ */ 145 #endif /* PPAPI_C_PPB_AUDIO_BUFFER_H_ */
146 146
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