libcw/cwAudioDeviceFile.h

56 lines
2.3 KiB
C++

#ifndef cwAudioDeviceFile_H
#define cwAudioDeviceFile_H
namespace cw
{
namespace audio
{
namespace device
{
namespace file
{
typedef handle<struct dev_mgr_str> handle_t;
rc_t create( handle_t& hRef, struct driver_str*& drvRef );
rc_t destroy( handle_t& hRef );
rc_t start( handle_t h );
rc_t stop( handle_t h );
unsigned deviceCount( struct driver_str* drv);
const char* deviceLabel( struct driver_str* drv, unsigned devIdx );
unsigned deviceChannelCount( struct driver_str* drv, unsigned devIdx, bool inputFl );
double deviceSampleRate( struct driver_str* drv, unsigned devIdx );
unsigned deviceFramesPerCycle( struct driver_str* drv, unsigned devIdx, bool inputFl );
rc_t deviceSetup( struct driver_str* drv, unsigned devIdx, double sr, unsigned frmPerCycle, cbFunc_t cbFunc, void* cbArg, unsigned cbDevIdx );
rc_t deviceStart( struct driver_str* drv, unsigned devIdx );
rc_t deviceStop( struct driver_str* drv, unsigned devIdx );
bool deviceIsStarted( struct driver_str* drv, unsigned devIdx );
rc_t deviceExecute( struct driver_str* drv, unsigned devIdx );
void deviceRealTimeReport( struct driver_str* drv, unsigned devIdx );
enum {
kRewindOnStartFl = 0x01,
};
// A device may have an input, an output or both.
// A device with both an input and output can be created by assigning both to the same label
rc_t createInDevice( handle_t& h, const char* label, const char* audioInFName, unsigned flags );
// Set bitsPerSample to 0 to write in single prec. float.
rc_t createOutDevice( handle_t& h, const char* label, const char* audioOutFName, unsigned flags, unsigned chCnt, unsigned bitsPerSample );
// Generate an audio callback on the specified device.
rc_t deviceExec( handle_t& h, unsigned devIdx );
rc_t report(handle_t h );
rc_t report();
rc_t test( const object_t* cfg );
}
}
}
}
#endif