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 #include <type_traits>
  24
  25 namespace tizen_media_audio {
  26
  27     template<typename E>
  28     constexpr auto to_integral(E e) -> typename std::underlying_type<E>::type {
  29         return static_cast<typename std::underlying_type<E>::type>(e);
  30     }
  31
  32     /**
  33      * Audio Information
  34      */
  35     class CAudioInfo {
  36     public:
  37         enum class EChannel : unsigned int {
  38             CHANNEL_MONO = 1,               /**< 1 channel, mono */
  39             CHANNEL_STEREO,                 /**< 2 channel, stereo */
  40             CHANNEL_MULTI_3,                /**< 3 channel */
  41             CHANNEL_MULTI_4,                /**< 4 channel */
  42             CHANNEL_MULTI_5,                /**< 5 channel */
  43             CHANNEL_MULTI_6,                /**< 6 channel */
  44             CHANNEL_MULTI_7,                /**< 7 channel */
  45             CHANNEL_MULTI_8,                /**< 8 channel */
  46             CHANNEL_MAX
  47         };
  48
  49         enum class ESampleType : unsigned int {
  50             SAMPLE_TYPE_U8 = 1,             /**< Unsigned 8-bit audio samples */
  51             SAMPLE_TYPE_S16_LE,             /**< Signed 16-bit audio samples */
  52             SAMPLE_TYPE_S24_LE,             /**< Signed 24-bit audio samples */
  53             SAMPLE_TYPE_S24_32_LE,          /**< Signed 24-bit packed in 32-bit audio samples */
  54             SAMPLE_TYPE_S32_LE,             /**< Signed 32-bit audio samples */
  55             SAMPLE_TYPE_MAX
  56         };
  57
  58         enum class EAudioType : unsigned int {
  59             /* Input Type */
  60             AUDIO_IN_TYPE_MEDIA = 0,
  61             //AUDIO_IN_TYPE_SYSTEM,
  62             //AUDIO_IN_TYPE_ALARM,
  63             //AUDIO_IN_TYPE_NOTIFICATION,
  64             //AUDIO_IN_TYPE_EMERGENCY,
  65             //AUDIO_IN_TYPE_VOICE_INFORMATION,
  66             AUDIO_IN_TYPE_VOICE_RECOGNITION,
  67             //AUDIO_IN_TYPE_RINGTONE_VOIP,
  68             AUDIO_IN_TYPE_VOIP,
  69             AUDIO_IN_TYPE_MEDIA_EXTERNAL_ONLY,
  70             //AUDIO_IN_TYPE_RINGTONE_CALL,
  71             //AUDIO_IN_TYPE_VOICE_CALL,
  72             //AUDIO_IN_TYPE_VIDEO_CALL,
  73             //AUDIO_IN_TYPE_RADIO,
  74             AUDIO_IN_TYPE_LOOPBACK,
  75             AUDIO_IN_TYPE_VOICE_RECOGNITION_SERVICE,
  76             //AUDIO_IN_TYPE_MEDIA_NETWORK_SOURCE,
  77
  78             /* Output Type */
  79             AUDIO_OUT_TYPE_MEDIA,
  80             AUDIO_OUT_TYPE_SYSTEM,
  81             AUDIO_OUT_TYPE_ALARM,
  82             AUDIO_OUT_TYPE_NOTIFICATION,
  83             AUDIO_OUT_TYPE_EMERGENCY,
  84             AUDIO_OUT_TYPE_VOICE_INFORMATION,
  85             //AUDIO_OUT_TYPE_VOICE_RECOGNITION,
  86             AUDIO_OUT_TYPE_RINGTONE_VOIP,
  87             AUDIO_OUT_TYPE_VOIP,
  88             AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY,
  89             AUDIO_OUT_TYPE_RINGTONE_CALL,
  90             //AUDIO_OUT_TYPE_VOICE_CALL,
  91             //AUDIO_OUT_TYPE_VIDEO_CALL,
  92             //AUDIO_OUT_TYPE_RADIO,
  93             //AUDIO_OUT_TYPE_LOOPBACK,
  94             //AUDIO_OUT_TYPE_VOICE_RECOGNITION_SERVICE,
  95             AUDIO_OUT_TYPE_MEDIA_NETWORK_SOURCE,
  96
  97             AUDIO_TYPE_MAX
  98         };
  99
 100         enum class EAudioIOState : unsigned int {
 101             AUDIO_IO_STATE_NONE,      /**< Audio-io handle is not created */
 102             AUDIO_IO_STATE_IDLE,      /**< Audio-io handle is created, but not prepared */
 103             AUDIO_IO_STATE_RUNNING,   /**< Audio-io handle is ready and the stream is running */
 104             AUDIO_IO_STATE_PAUSED,    /**< Audio-io handle is ready and the stream is paused */
 105             AUDIO_IO_STATE_MAX
 106         };
 107
 108         enum class EAudioDirection : unsigned int {
 109             AUDIO_DIRECTION_IN,       /**< Audio direction input */
 110             AUDIO_DIRECTION_OUT,      /**< Audio direction output */
 111             AUDIO_DIRECTION_MAX
 112         };
 113
 114         const static unsigned int MIN_SYSTEM_SAMPLERATE = 8000;
 115         const static unsigned int MAX_SYSTEM_SAMPLERATE = 192000;
 116
 117         /* Constructors */
 118         CAudioInfo();
 119         CAudioInfo(unsigned int sampleRate, EChannel channel, ESampleType sampleType, EAudioType audioType, int audioIndex);
 120
 121         /* Setter & Getter */
 122         unsigned int getSampleRate();
 123         EChannel getChannel();
 124         ESampleType getSampleType();
 125         EAudioType getAudioType();
 126         void setAudioType(EAudioType audioType);
 127         int getAudioIndex();
 128         void setAudioIndex(int audioIndex);
 129         void convertAudioType2StreamType(CAudioInfo::EAudioType audioType, char **streamType);
 130         void convertInputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
 131         void convertOutputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
 132         int getSampleSize();
 133
 134     private:
 135         const char *__STREAM_TYPE_TABLE[(unsigned int)EAudioType::AUDIO_TYPE_MAX] = {
 136             /* Input Type */
 137             "media",                  /**< AUDIO_IN_TYPE_MEDIA */
 138             //"system",               /**< AUDIO_IN_TYPE_SYSTEM */
 139             //"alarm",                /**< AUDIO_IN_TYPE_ALARM */
 140             //"notification",         /**< AUDIO_IN_TYPE_NOTIFICATION */
 141             //"emergency",            /**< AUDIO_IN_TYPE_EMERGENCY */
 142             //"voice-information",    /**< AUDIO_IN_TYPE_VOICE_INFORMATION */
 143             "voice-recognition",      /**< AUDIO_IN_TYPE_VOICE_RECOGNITION */
 144             //"ringtone-voip",        /**< AUDIO_IN_TYPE_RINGTONE_VOIP */
 145             "voip",                   /**< AUDIO_IN_TYPE_VOIP */
 146             "ext-media",              /**< AUDIO_IN_TYPE_MEDIA_EXTERNAL_ONLY */
 147             //"ringtone-call",        /**< AUDIO_IN_TYPE_RINGTONE_CALL */
 148             //"call-voice",           /**< AUDIO_IN_TYPE_VOICE_CALL */
 149             //"call-video",           /**< AUDIO_IN_TYPE_VIDEO_CALL */
 150             //"radio",                /**< AUDIO_IN_TYPE_RADIO */
 151             "loopback-mirroring",     /**< AUDIO_IN_TYPE_LOOPBACK */
 152             "voice-recognition-service",     /**< AUDIO_IN_TYPE_VOICE_RECOGNITION_SERVICE */
 153             //"network-source-media", /**< AUDIO_IN_TYPE_MEDIA_NETWORK_SOURCE */
 154
 155             /* Output Type */
 156             "media",                  /**< AUDIO_OUT_TYPE_MEDIA */
 157             "system",                 /**< AUDIO_OUT_TYPE_SYSTEM */
 158             "alarm",                  /**< AUDIO_OUT_TYPE_ALARM */
 159             "notification",           /**< AUDIO_OUT_TYPE_NOTIFICATION */
 160             "emergency",              /**< AUDIO_OUT_TYPE_EMERGENCY */
 161             "voice-information",      /**< AUDIO_OUT_TYPE_VOICE_INFORMATION */
 162             //"voice-recognition",    /**< AUDIO_OUT_TYPE_VOICE_RECOGNITION */
 163             "ringtone-voip",          /**< AUDIO_OUT_TYPE_RINGTONE_VOIP */
 164             "voip",                   /**< AUDIO_OUT_TYPE_VOIP */
 165             "ext-media",              /**< AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY */
 166             "ringtone-call",          /**< AUDIO_OUT_TYPE_RINGTONE_CALL */
 167             //"call-voice",           /**< AUDIO_OUT_TYPE_VOICE_CALL */
 168             //"call-video",           /**< AUDIO_OUT_TYPE_VIDEO_CALL */
 169             //"radio",                /**< AUDIO_OUT_TYPE_RADIO */
 170             //"loopback-mirroring",   /**< AUDIO_OUT_TYPE_LOOPBACK */
 171             //"voice-recognition-service",/**< AUDIO_OUT_TYPE_VOICE_RECOGNITION_SERVICE */
 172             "network-source-media",   /**< AUDIO_OUT_TYPE_MEDIA_NETWORK_SOURCE */
 173         };
 174
 175         unsigned int __mSampleRate;
 176         EChannel     __mChannel;
 177         ESampleType  __mSampleType;
 178         EAudioType   __mAudioType;
 179         int          __mAudioIndex;
 180     };
 181
 182
 183 } /* namespace tizen_media_audio */
 184
 185 #endif
 186 #endif /* __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__ */