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