2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__
18 #define __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__
24 namespace tizen_media_audio {
32 enum class EChannel : unsigned int {
33 CHANNEL_MONO = 1, /**< 1 channel, mono */
34 CHANNEL_STEREO, /**< 2 channel, stereo */
38 enum class ESampleType : unsigned int {
39 SAMPLE_TYPE_U8 = 1, /**< Unsigned 8-bit audio samples */
40 SAMPLE_TYPE_S16_LE, /**< Signed 16-bit audio samples */
44 enum class EAudioType : unsigned int {
46 AUDIO_IN_TYPE_MEDIA = 0,
47 //AUDIO_IN_TYPE_SYSTEM,
48 //AUDIO_IN_TYPE_ALARM,
49 //AUDIO_IN_TYPE_NOTIFICATION,
50 //AUDIO_IN_TYPE_EMERGENCY,
51 //AUDIO_IN_TYPE_VOICE_INFORMATION,
52 AUDIO_IN_TYPE_VOICE_RECOGNITION,
53 //AUDIO_IN_TYPE_RINGTONE_VOIP,
55 AUDIO_IN_TYPE_MEDIA_EXTERNAL_ONLY,
56 //AUDIO_IN_TYPE_RINGTONE_CALL,
57 //AUDIO_IN_TYPE_VOICE_CALL,
58 //AUDIO_IN_TYPE_VIDEO_CALL,
59 //AUDIO_IN_TYPE_RADIO,
60 AUDIO_IN_TYPE_LOOPBACK,
64 AUDIO_OUT_TYPE_SYSTEM,
66 AUDIO_OUT_TYPE_NOTIFICATION,
67 AUDIO_OUT_TYPE_EMERGENCY,
68 AUDIO_OUT_TYPE_VOICE_INFORMATION,
69 //AUDIO_OUT_TYPE_VOICE_RECOGNITION,
70 AUDIO_OUT_TYPE_RINGTONE_VOIP,
72 AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY,
73 AUDIO_OUT_TYPE_RINGTONE_CALL,
74 //AUDIO_OUT_TYPE_VOICE_CALL,
75 //AUDIO_OUT_TYPE_VIDEO_CALL,
76 //AUDIO_OUT_TYPE_RADIO,
77 //AUDIO_OUT_TYPE_LOOPBACK,
82 enum class EAudioIOState : unsigned int {
83 AUDIO_IO_STATE_NONE, /**< Audio-io handle is not created */
84 AUDIO_IO_STATE_IDLE, /**< Audio-io handle is created, but not prepared */
85 AUDIO_IO_STATE_RUNNING, /**< Audio-io handle is ready and the stream is running */
86 AUDIO_IO_STATE_PAUSED, /**< Audio-io handle is ready and the stream is paused */
90 enum class EAudioDirection : unsigned int {
91 AUDIO_DIRECTION_IN, /**< Audio direction input */
92 AUDIO_DIRECTION_OUT, /**< Audio direction output */
96 const static unsigned int MIN_SYSTEM_SAMPLERATE = 8000;
97 const static unsigned int MAX_SYSTEM_SAMPLERATE = 48000;
101 CAudioInfo(unsigned int sampleRate, EChannel channel, ESampleType sampleType, EAudioType audioType, int audioIndex) throw(CAudioError);
103 /* Setter & Getter */
104 unsigned int getSampleRate();
105 EChannel getChannel();
106 ESampleType getSampleType();
107 EAudioType getAudioType();
108 void setAudioType(EAudioType audioType);
110 void setAudioIndex(int audioIndex);
111 void convertAudioType2StreamType(CAudioInfo::EAudioType audioType, char **streamType);
112 void convertInputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
113 void convertOutputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
117 const char *__STREAM_TYPE_TABLE[(unsigned int)EAudioType::AUDIO_TYPE_MAX] = {
119 "media", /**< AUDIO_IN_TYPE_MEDIA */
120 //"system", /**< AUDIO_IN_TYPE_SYSTEM */
121 //"alarm", /**< AUDIO_IN_TYPE_ALARM */
122 //"notification", /**< AUDIO_IN_TYPE_NOTIFICATION */
123 //"emergency", /**< AUDIO_IN_TYPE_EMERGENCY */
124 //"voice-information", /**< AUDIO_IN_TYPE_VOICE_INFORMATION */
125 "voice-recognition", /**< AUDIO_IN_TYPE_VOICE_RECOGNITION */
126 //"ringtone-voip", /**< AUDIO_IN_TYPE_RINGTONE_VOIP */
127 "voip", /**< AUDIO_IN_TYPE_VOIP */
128 "ext-media", /**< AUDIO_IN_TYPE_MEDIA_EXTERNAL_ONLY */
129 //"ringtone-call", /**< AUDIO_IN_TYPE_RINGTONE_CALL */
130 //"call-voice", /**< AUDIO_IN_TYPE_VOICE_CALL */
131 //"call-video", /**< AUDIO_IN_TYPE_VIDEO_CALL */
132 //"radio", /**< AUDIO_IN_TYPE_RADIO */
133 "loopback-mirroring", /**< AUDIO_IN_TYPE_LOOPBACK */
136 "media", /**< AUDIO_OUT_TYPE_MEDIA */
137 "system", /**< AUDIO_OUT_TYPE_SYSTEM */
138 "alarm", /**< AUDIO_OUT_TYPE_ALARM */
139 "notification", /**< AUDIO_OUT_TYPE_NOTIFICATION */
140 "emergency", /**< AUDIO_OUT_TYPE_EMERGENCY */
141 "voice-information", /**< AUDIO_OUT_TYPE_VOICE_INFORMATION */
142 //"voice-recognition", /**< AUDIO_OUT_TYPE_VOICE_RECOGNITION */
143 "ringtone-voip", /**< AUDIO_OUT_TYPE_RINGTONE_VOIP */
144 "voip", /**< AUDIO_OUT_TYPE_VOIP */
145 "ext-media", /**< AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY */
146 "ringtone-call", /**< AUDIO_OUT_TYPE_RINGTONE_CALL */
147 //"call-voice", /**< AUDIO_OUT_TYPE_VOICE_CALL */
148 //"call-video", /**< AUDIO_OUT_TYPE_VIDEO_CALL */
149 //"radio", /**< AUDIO_OUT_TYPE_RADIO */
150 //"loopback-mirroring", /**< AUDIO_OUT_TYPE_LOOPBACK */
153 unsigned int __mSampleRate;
155 ESampleType __mSampleType;
156 EAudioType __mAudioType;
161 } /* namespace tizen_media_audio */
164 #endif /* __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__ */