87 řádky
2.1 KiB
C
87 řádky
2.1 KiB
C
#ifndef cmAudioFileDev_h
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#define cmAudioFileDev_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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//( { file_desc:"Implements cmAudioFileDev for reading and writing audio files under control of cmAudioPort.", kw:[audio file rt]}
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enum
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{
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kOkAfdRC = cmOkRC,
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kAudioFileFailAfdRC,
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kThreadFailAfdRC,
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kRestartFailAfdRC
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};
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typedef unsigned cmAfdRC_t;
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typedef cmHandle_t cmAfdH_t;
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extern cmAfdH_t cmAfdNullHandle;
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/// Initialize an audio file device.
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/// Called by cmApPortInitialize().
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cmAfdRC_t cmAudioFileDevInitialize(
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cmAfdH_t* hp,
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const cmChar_t* label,
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unsigned devIdx,
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const cmChar_t* iFn,
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const cmChar_t* oFn,
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unsigned oBits,
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unsigned oChCnt,
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cmRpt_t* rpt );
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/// Finalize an audio file device.
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/// Called by cmApPortFinalize().
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cmAfdRC_t cmAudioFileDevFinalize( cmAfdH_t* hp );
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/// Return true if 'h' represents a successfully initialized audio file device.
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bool cmAudioFileDevIsValid( cmAfdH_t h );
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/// Setup the device. This function must be called prior to cmAudioFileDevStart().
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cmAfdRC_t cmAudioFileDevSetup(
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cmAfdH_t h,
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unsigned baseApDevIdx,
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double srate,
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unsigned framesPerCycle,
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cmApCallbackPtr_t callbackPtr,
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void* cbDataPtr );
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/// Return a device label.
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const char* cmAudioFileDevLabel( cmAfdH_t h );
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/// Return a channel count.
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unsigned cmAudioFileDevChannelCount( cmAfdH_t h, bool inputFl );
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/// Return the sample rate.
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double cmAudioFileDevSampleRate( cmAfdH_t h );
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/// Return frames per cycle.
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unsigned cmAudioFileDevFramesPerCycle( cmAfdH_t h, bool inputFl );
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/// Rewind the input file.
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cmAfdRC_t cmAudioFileDevRewind( cmAfdH_t h );
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/// Start the file device playing/recording.
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cmAfdRC_t cmAudioFileDevStart( cmAfdH_t h );
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/// Stop the file device playing/recording.
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cmAfdRC_t cmAudioFileDevStop( cmAfdH_t h );
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/// Return true if the file device is currently started.
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bool cmAudioFileDevIsStarted( cmAfdH_t h );
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///
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void cmAudioFileDevReport( cmAfdH_t h, cmRpt_t* rpt );
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void cmAudioFileDevTest( cmRpt_t* rpt );
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//)
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#ifdef __cplusplus
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}
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#endif
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#endif
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