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             //AUDIO_IN_TYPE_MEDIA_NETWORK_SOURCE,
  70
  71             /* Output Type */
  72             AUDIO_OUT_TYPE_MEDIA,
  73             AUDIO_OUT_TYPE_SYSTEM,
  74             AUDIO_OUT_TYPE_ALARM,
  75             AUDIO_OUT_TYPE_NOTIFICATION,
  76             AUDIO_OUT_TYPE_EMERGENCY,
  77             AUDIO_OUT_TYPE_VOICE_INFORMATION,
  78             //AUDIO_OUT_TYPE_VOICE_RECOGNITION,
  79             AUDIO_OUT_TYPE_RINGTONE_VOIP,
  80             AUDIO_OUT_TYPE_VOIP,
  81             AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY,
  82             AUDIO_OUT_TYPE_RINGTONE_CALL,
  83             //AUDIO_OUT_TYPE_VOICE_CALL,
  84             //AUDIO_OUT_TYPE_VIDEO_CALL,
  85             //AUDIO_OUT_TYPE_RADIO,
  86             //AUDIO_OUT_TYPE_LOOPBACK,
  87             //AUDIO_OUT_TYPE_VOICE_RECOGNITION_SERVICE,
  88             AUDIO_OUT_TYPE_MEDIA_NETWORK_SOURCE,
  89
  90             AUDIO_TYPE_MAX
  91         };
  92
  93         enum class EAudioIOState : unsigned int {
  94             AUDIO_IO_STATE_NONE,      /**< Audio-io handle is not created */
  95             AUDIO_IO_STATE_IDLE,      /**< Audio-io handle is created, but not prepared */
  96             AUDIO_IO_STATE_RUNNING,   /**< Audio-io handle is ready and the stream is running */
  97             AUDIO_IO_STATE_PAUSED,    /**< Audio-io handle is ready and the stream is paused */
  98             AUDIO_IO_STATE_MAX
  99         };
 100
 101         enum class EAudioDirection : unsigned int {
 102             AUDIO_DIRECTION_IN,       /**< Audio direction input */
 103             AUDIO_DIRECTION_OUT,      /**< Audio direction output */
 104             AUDIO_DIRECTION_MAX
 105         };
 106
 107         const static unsigned int MIN_SYSTEM_SAMPLERATE = 8000;
 108         const static unsigned int MAX_SYSTEM_SAMPLERATE = 192000;
 109
 110         /* Constructors */
 111         CAudioInfo();
 112         CAudioInfo(unsigned int sampleRate, EChannel channel, ESampleType sampleType, EAudioType audioType, int audioIndex);
 113
 114         /* Setter & Getter */
 115         unsigned int getSampleRate();
 116         EChannel getChannel();
 117         ESampleType getSampleType();
 118         EAudioType getAudioType();
 119         void setAudioType(EAudioType audioType);
 120         int getAudioIndex();
 121         void setAudioIndex(int audioIndex);
 122         void convertAudioType2StreamType(CAudioInfo::EAudioType audioType, char **streamType);
 123         void convertInputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
 124         void convertOutputStreamType2AudioType(char *streamType, CAudioInfo::EAudioType *audioType);
 125         int getSampleSize();
 126
 127     private:
 128         const char *__STREAM_TYPE_TABLE[(unsigned int)EAudioType::AUDIO_TYPE_MAX] = {
 129             /* Input Type */
 130             "media",                  /**< AUDIO_IN_TYPE_MEDIA */
 131             //"system",               /**< AUDIO_IN_TYPE_SYSTEM */
 132             //"alarm",                /**< AUDIO_IN_TYPE_ALARM */
 133             //"notification",         /**< AUDIO_IN_TYPE_NOTIFICATION */
 134             //"emergency",            /**< AUDIO_IN_TYPE_EMERGENCY */
 135             //"voice-information",    /**< AUDIO_IN_TYPE_VOICE_INFORMATION */
 136             "voice-recognition",      /**< AUDIO_IN_TYPE_VOICE_RECOGNITION */
 137             //"ringtone-voip",        /**< AUDIO_IN_TYPE_RINGTONE_VOIP */
 138             "voip",                   /**< AUDIO_IN_TYPE_VOIP */
 139             "ext-media",              /**< AUDIO_IN_TYPE_MEDIA_EXTERNAL_ONLY */
 140             //"ringtone-call",        /**< AUDIO_IN_TYPE_RINGTONE_CALL */
 141             //"call-voice",           /**< AUDIO_IN_TYPE_VOICE_CALL */
 142             //"call-video",           /**< AUDIO_IN_TYPE_VIDEO_CALL */
 143             //"radio",                /**< AUDIO_IN_TYPE_RADIO */
 144             "loopback-mirroring",     /**< AUDIO_IN_TYPE_LOOPBACK */
 145             "voice-recognition-service",     /**< AUDIO_IN_TYPE_VOICE_RECOGNITION_SERVICE */
 146             //"network-source-media", /**< AUDIO_IN_TYPE_MEDIA_NETWORK_SOURCE */
 147
 148             /* Output Type */
 149             "media",                  /**< AUDIO_OUT_TYPE_MEDIA */
 150             "system",                 /**< AUDIO_OUT_TYPE_SYSTEM */
 151             "alarm",                  /**< AUDIO_OUT_TYPE_ALARM */
 152             "notification",           /**< AUDIO_OUT_TYPE_NOTIFICATION */
 153             "emergency",              /**< AUDIO_OUT_TYPE_EMERGENCY */
 154             "voice-information",      /**< AUDIO_OUT_TYPE_VOICE_INFORMATION */
 155             //"voice-recognition",    /**< AUDIO_OUT_TYPE_VOICE_RECOGNITION */
 156             "ringtone-voip",          /**< AUDIO_OUT_TYPE_RINGTONE_VOIP */
 157             "voip",                   /**< AUDIO_OUT_TYPE_VOIP */
 158             "ext-media",              /**< AUDIO_OUT_TYPE_MEDIA_EXTERNAL_ONLY */
 159             "ringtone-call",          /**< AUDIO_OUT_TYPE_RINGTONE_CALL */
 160             //"call-voice",           /**< AUDIO_OUT_TYPE_VOICE_CALL */
 161             //"call-video",           /**< AUDIO_OUT_TYPE_VIDEO_CALL */
 162             //"radio",                /**< AUDIO_OUT_TYPE_RADIO */
 163             //"loopback-mirroring",   /**< AUDIO_OUT_TYPE_LOOPBACK */
 164             //"voice-recognition-service",/**< AUDIO_OUT_TYPE_VOICE_RECOGNITION_SERVICE */
 165             "network-source-media",   /**< AUDIO_OUT_TYPE_MEDIA_NETWORK_SOURCE */
 166         };
 167
 168         unsigned int __mSampleRate;
 169         EChannel     __mChannel;
 170         ESampleType  __mSampleType;
 171         EAudioType   __mAudioType;
 172         int          __mAudioIndex;
 173     };
 174
 175
 176 } /* namespace tizen_media_audio */
 177
 178 #endif
 179 #endif /* __TIZEN_MEDIA_AUDIO__IO_CAUDIO_INFO_H__ */