include/CAudioInfo.h

   1 /*
   2  * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 #ifndef __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__
  18 #define __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__
  19
  20
  21 #ifdef __cplusplus
  22
  23
  24 namespace tizen_media_audio {
  25
  26
  27     /**
  28      * Audio Information
  29      */
  30     class CAudioInfo {
  31     public:
  32         enum class EChannel : unsigned int {
  33             CHANNEL_MONO = 1,               /**< 1 channel, mono */
  34             CHANNEL_STEREO,                 /**< 2 channel, stereo */
  35             CHANNEL_MAX
  36         };
  37
  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 */
  41             SAMPLE_TYPE_MAX
  42         };
  43
  44         enum class EAudioType : unsigned int {
  45             /* Input Type */
  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,
  54             AUDIO_IN_TYPE_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,
  61
  62             /* Output Type */
  63             AUDIO_OUT_TYPE_MEDIA,
  64             AUDIO_OUT_TYPE_SYSTEM,
  65             AUDIO_OUT_TYPE_ALARM,
  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,
  71             AUDIO_OUT_TYPE_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,
  78
  79             AUDIO_TYPE_MAX
  80         };
  81
  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 */
  87             AUDIO_IO_STATE_MAX
  88         };
  89
  90         enum class EAudioDirection : unsigned int {
  91             AUDIO_DIRECTION_IN,       /**< Audio direction input */
  92             AUDIO_DIRECTION_OUT,      /**< Audio direction output */
  93             AUDIO_DIRECTION_MAX
  94         };
  95
  96         const static unsigned int MIN_SYSTEM_SAMPLERATE = 8000;
  97         const static unsigned int MAX_SYSTEM_SAMPLERATE = 48000;
  98
  99         /* Constructors */
 100         CAudioInfo();
 101         CAudioInfo(unsigned int sampleRate, EChannel channel, ESampleType sampleType, EAudioType audioType, int audioIndex) throw(CAudioError);
 102
 103         /* Setter & Getter */
 104         unsigned int getSampleRate();
 105         EChannel getChannel();
 106         ESampleType getSampleType();
 107         EAudioType getAudioType();
 108         void setAudioType(EAudioType audioType);
 109         int getAudioIndex();
 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);
 114         int getSampleSize();
 115
 116     private:
 117         const char *__STREAM_TYPE_TABLE[(unsigned int)EAudioType::AUDIO_TYPE_MAX] = {
 118             /* Input Type */
 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 */
 134
 135             /* Output Type */
 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 */
 151         };
 152
 153         unsigned int __mSampleRate;
 154         EChannel     __mChannel;
 155         ESampleType  __mSampleType;
 156         EAudioType   __mAudioType;
 157         int          __mAudioIndex;
 158     };
 159
 160
 161 } /* namespace tizen_media_audio */
 162
 163 #endif
 164 #endif /* __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__ */