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AAudio.h File Reference

Typedefs | Enumerations | Functions
AAudio.h File Reference
Audio

Typedefs

typedef int32_t aaudio_direction_t
 
typedef int32_t aaudio_format_t
 
typedef int32_t aaudio_result_t
 
typedef int32_t aaudio_stream_state_t
 
typedef int32_t aaudio_sharing_mode_t
 
typedef int32_t aaudio_performance_mode_t
 
typedef int32_t aaudio_usage_t
 
typedef int32_t aaudio_content_type_t
 
typedef int32_t aaudio_input_preset_t
 
typedef int32_t aaudio_session_id_t
 
typedef struct AAudioStreamStruct AAudioStream
 
typedef struct AAudioStreamBuilderStruct AAudioStreamBuilder
 
typedef int32_t aaudio_data_callback_result_t
 
typedef aaudio_data_callback_result_t(* AAudioStream_dataCallback) (AAudioStream *stream, void *userData, void *audioData, int32_t numFrames)
 
typedef void(* AAudioStream_errorCallback) (AAudioStream *stream, void *userData, aaudio_result_t error)
 

Enumerations

enum  { AAUDIO_DIRECTION_OUTPUT, AAUDIO_DIRECTION_INPUT }
 
enum  { AAUDIO_FORMAT_INVALID = -1, AAUDIO_FORMAT_UNSPECIFIED = 0, AAUDIO_FORMAT_PCM_I16, AAUDIO_FORMAT_PCM_FLOAT }
 
enum  {
  AAUDIO_OK, AAUDIO_ERROR_BASE = -900, AAUDIO_ERROR_DISCONNECTED, AAUDIO_ERROR_ILLEGAL_ARGUMENT,
  AAUDIO_ERROR_INTERNAL = AAUDIO_ERROR_ILLEGAL_ARGUMENT + 2, AAUDIO_ERROR_INVALID_STATE, AAUDIO_ERROR_INVALID_HANDLE = AAUDIO_ERROR_INVALID_STATE + 3, AAUDIO_ERROR_UNIMPLEMENTED = AAUDIO_ERROR_INVALID_HANDLE + 2,
  AAUDIO_ERROR_UNAVAILABLE, AAUDIO_ERROR_NO_FREE_HANDLES, AAUDIO_ERROR_NO_MEMORY, AAUDIO_ERROR_NULL,
  AAUDIO_ERROR_TIMEOUT, AAUDIO_ERROR_WOULD_BLOCK, AAUDIO_ERROR_INVALID_FORMAT, AAUDIO_ERROR_OUT_OF_RANGE,
  AAUDIO_ERROR_NO_SERVICE, AAUDIO_ERROR_INVALID_RATE
}
 
enum  {
  AAUDIO_STREAM_STATE_UNINITIALIZED = 0, AAUDIO_STREAM_STATE_UNKNOWN, AAUDIO_STREAM_STATE_OPEN, AAUDIO_STREAM_STATE_STARTING,
  AAUDIO_STREAM_STATE_STARTED, AAUDIO_STREAM_STATE_PAUSING, AAUDIO_STREAM_STATE_PAUSED, AAUDIO_STREAM_STATE_FLUSHING,
  AAUDIO_STREAM_STATE_FLUSHED, AAUDIO_STREAM_STATE_STOPPING, AAUDIO_STREAM_STATE_STOPPED, AAUDIO_STREAM_STATE_CLOSING,
  AAUDIO_STREAM_STATE_CLOSED, AAUDIO_STREAM_STATE_DISCONNECTED
}
 
enum  { AAUDIO_SHARING_MODE_EXCLUSIVE, AAUDIO_SHARING_MODE_SHARED }
 
enum  { AAUDIO_PERFORMANCE_MODE_NONE = 10, AAUDIO_PERFORMANCE_MODE_POWER_SAVING, AAUDIO_PERFORMANCE_MODE_LOW_LATENCY }
 
enum  {
  AAUDIO_USAGE_MEDIA = 1, AAUDIO_USAGE_VOICE_COMMUNICATION = 2, AAUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING = 3, AAUDIO_USAGE_ALARM = 4,
  AAUDIO_USAGE_NOTIFICATION = 5, AAUDIO_USAGE_NOTIFICATION_RINGTONE = 6, AAUDIO_USAGE_NOTIFICATION_EVENT = 10, AAUDIO_USAGE_ASSISTANCE_ACCESSIBILITY = 11,
  AAUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE = 12, AAUDIO_USAGE_ASSISTANCE_SONIFICATION = 13, AAUDIO_USAGE_GAME = 14, AAUDIO_USAGE_ASSISTANT = 16
}
 
enum  { AAUDIO_CONTENT_TYPE_SPEECH = 1, AAUDIO_CONTENT_TYPE_MUSIC = 2, AAUDIO_CONTENT_TYPE_MOVIE = 3, AAUDIO_CONTENT_TYPE_SONIFICATION = 4 }
 
enum  {
  AAUDIO_INPUT_PRESET_GENERIC = 1, AAUDIO_INPUT_PRESET_CAMCORDER = 5, AAUDIO_INPUT_PRESET_VOICE_RECOGNITION = 6, AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION = 7,
  AAUDIO_INPUT_PRESET_UNPROCESSED = 9
}
 
enum  { AAUDIO_SESSION_ID_NONE = -1, AAUDIO_SESSION_ID_ALLOCATE = 0 }
 
enum  { AAUDIO_CALLBACK_RESULT_CONTINUE = 0, AAUDIO_CALLBACK_RESULT_STOP }
 

Functions

AAUDIO_API const char * AAudio_convertResultToText (aaudio_result_t returnCode)
 
AAUDIO_API const char * AAudio_convertStreamStateToText (aaudio_stream_state_t state)
 
AAUDIO_API aaudio_result_t AAudio_createStreamBuilder (AAudioStreamBuilder **builder)
 
AAUDIO_API void AAudioStreamBuilder_setDeviceId (AAudioStreamBuilder *builder, int32_t deviceId)
 
AAUDIO_API void AAudioStreamBuilder_setSampleRate (AAudioStreamBuilder *builder, int32_t sampleRate)
 
AAUDIO_API void AAudioStreamBuilder_setChannelCount (AAudioStreamBuilder *builder, int32_t channelCount)
 
AAUDIO_API void AAudioStreamBuilder_setSamplesPerFrame (AAudioStreamBuilder *builder, int32_t samplesPerFrame)
 
AAUDIO_API void AAudioStreamBuilder_setFormat (AAudioStreamBuilder *builder, aaudio_format_t format)
 
AAUDIO_API void AAudioStreamBuilder_setSharingMode (AAudioStreamBuilder *builder, aaudio_sharing_mode_t sharingMode)
 
AAUDIO_API void AAudioStreamBuilder_setDirection (AAudioStreamBuilder *builder, aaudio_direction_t direction)
 
AAUDIO_API void AAudioStreamBuilder_setBufferCapacityInFrames (AAudioStreamBuilder *builder, int32_t numFrames)
 
AAUDIO_API void AAudioStreamBuilder_setPerformanceMode (AAudioStreamBuilder *builder, aaudio_performance_mode_t mode)
 
AAUDIO_API void AAudioStreamBuilder_setUsage (AAudioStreamBuilder *builder, aaudio_usage_t usage)
 
AAUDIO_API void AAudioStreamBuilder_setContentType (AAudioStreamBuilder *builder, aaudio_content_type_t contentType)
 
AAUDIO_API void AAudioStreamBuilder_setInputPreset (AAudioStreamBuilder *builder, aaudio_input_preset_t inputPreset)
 
AAUDIO_API void AAudioStreamBuilder_setSessionId (AAudioStreamBuilder *builder, aaudio_session_id_t sessionId)
 
AAUDIO_API void AAudioStreamBuilder_setDataCallback (AAudioStreamBuilder *builder, AAudioStream_dataCallback callback, void *userData)
 
AAUDIO_API void AAudioStreamBuilder_setFramesPerDataCallback (AAudioStreamBuilder *builder, int32_t numFrames)
 
AAUDIO_API void AAudioStreamBuilder_setErrorCallback (AAudioStreamBuilder *builder, AAudioStream_errorCallback callback, void *userData)
 
AAUDIO_API aaudio_result_t AAudioStreamBuilder_openStream (AAudioStreamBuilder *builder, AAudioStream **stream)
 
AAUDIO_API aaudio_result_t AAudioStreamBuilder_delete (AAudioStreamBuilder *builder)
 
AAUDIO_API aaudio_result_t AAudioStream_close (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_requestStart (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_requestPause (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_requestFlush (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_requestStop (AAudioStream *stream)
 
AAUDIO_API aaudio_stream_state_t AAudioStream_getState (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_waitForStateChange (AAudioStream *stream, aaudio_stream_state_t inputState, aaudio_stream_state_t *nextState, int64_t timeoutNanoseconds)
 
AAUDIO_API aaudio_result_t AAudioStream_read (AAudioStream *stream, void *buffer, int32_t numFrames, int64_t timeoutNanoseconds)
 
AAUDIO_API aaudio_result_t AAudioStream_write (AAudioStream *stream, const void *buffer, int32_t numFrames, int64_t timeoutNanoseconds)
 
AAUDIO_API aaudio_result_t AAudioStream_setBufferSizeInFrames (AAudioStream *stream, int32_t numFrames)
 
AAUDIO_API int32_t AAudioStream_getBufferSizeInFrames (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getFramesPerBurst (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getBufferCapacityInFrames (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getFramesPerDataCallback (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getXRunCount (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getSampleRate (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getChannelCount (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getSamplesPerFrame (AAudioStream *stream)
 
AAUDIO_API int32_t AAudioStream_getDeviceId (AAudioStream *stream)
 
AAUDIO_API aaudio_format_t AAudioStream_getFormat (AAudioStream *stream)
 
AAUDIO_API aaudio_sharing_mode_t AAudioStream_getSharingMode (AAudioStream *stream)
 
AAUDIO_API aaudio_performance_mode_t AAudioStream_getPerformanceMode (AAudioStream *stream)
 
AAUDIO_API aaudio_direction_t AAudioStream_getDirection (AAudioStream *stream)
 
AAUDIO_API int64_t AAudioStream_getFramesWritten (AAudioStream *stream)
 
AAUDIO_API int64_t AAudioStream_getFramesRead (AAudioStream *stream)
 
AAUDIO_API aaudio_session_id_t AAudioStream_getSessionId (AAudioStream *stream)
 
AAUDIO_API aaudio_result_t AAudioStream_getTimestamp (AAudioStream *stream, clockid_t clockid, int64_t *framePosition, int64_t *timeNanoseconds)
 
AAUDIO_API aaudio_usage_t AAudioStream_getUsage (AAudioStream *stream)
 
AAUDIO_API aaudio_content_type_t AAudioStream_getContentType (AAudioStream *stream)
 
AAUDIO_API aaudio_input_preset_t AAudioStream_getInputPreset (AAudioStream *stream)
 
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