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pa_host.h File Reference

Go to the source code of this file.

Data Structures
struct	internalPortAudioStream
Defines
#define	SUPPORT_AUDIO_CAPTURE   (1)
#define	PA_MAGIC   (0x18273645)
#define	PA_DITHER_BITS   (15)
#define	PA_DITHER_SCALE   (1.0f / ((1<<PA_DITHER_BITS)-1))
Typedefs
typedef long	int32
typedef unsigned long	uint32
typedef short	int16
typedef unsigned short	uint16
typedef void(	PortAudioConverter )(void *inputBuffer, int inputStride, void *outputBuffer, int outputStride, int numSamples)
typedef internalPortAudioStream	internalPortAudioStream
Functions
PaError	PaHost_Init (void)
PaError	PaHost_Term (void)
PaError	PaHost_OpenStream (internalPortAudioStream *past)
PaError	PaHost_CloseStream (internalPortAudioStream *past)
PaError	PaHost_StartOutput (internalPortAudioStream *past)
PaError	PaHost_StopOutput (internalPortAudioStream *past, int abort)
PaError	PaHost_StartInput (internalPortAudioStream *past)
PaError	PaHost_StopInput (internalPortAudioStream *past, int abort)
PaError	PaHost_StartEngine (internalPortAudioStream *past)
PaError	PaHost_StopEngine (internalPortAudioStream *past, int abort)
PaError	PaHost_StreamActive (internalPortAudioStream *past)
void *	PaHost_AllocateFastMemory (long numBytes)
void	PaHost_FreeFastMemory (void *addr, long numBytes)
PaError	PaHost_ValidateSampleRate (PaDeviceID id, double requestedFrameRate, double *closestFrameRatePtr)
int	PaHost_IsInitialized (void)
internalPortAudioStream *	PaHost_GetStreamRepresentation (PortAudioStream *stream)
int	PaHost_FindClosestTableEntry (double allowableError, const double *rateTable, int numRates, double frameRate)
long	Pa_CallConvertInt16 (internalPortAudioStream *past, short *nativeInputBuffer, short *nativeOutputBuffer)
long	PaConvert_TriangularDither (void)
PaError	PaConvert_SetupInput (internalPortAudioStream *past, PaSampleFormat nativeInputSampleFormat)
PaError	PaConvert_SetupOutput (internalPortAudioStream *past, PaSampleFormat nativeOutputSampleFormat)
long	PaConvert_Process (internalPortAudioStream *past, void *nativeInputBuffer, void *nativeOutputBuffer)

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Define Documentation

#define PA_DITHER_BITS   (15)

#define PA_DITHER_SCALE   (1.0f / ((1<<PA_DITHER_BITS)-1))

#define PA_MAGIC   (0x18273645)

#define SUPPORT_AUDIO_CAPTURE   (1)

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Typedef Documentation

typedef short int16

typedef long int32

typedef struct internalPortAudioStream internalPortAudioStream

typedef void( PortAudioConverter)( void *inputBuffer, int inputStride, void *outputBuffer, int outputStride, int numSamples )

typedef unsigned short uint16

typedef unsigned long uint32

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Function Documentation

long Pa_CallConvertInt16 (  internalPortAudioStream *  past, short *  nativeInputBuffer, short *  nativeOutputBuffer )

long PaConvert_Process (  internalPortAudioStream *  past, void *  nativeInputBuffer, void *  nativeOutputBuffer )

PaError PaConvert_SetupInput (  internalPortAudioStream *  past, PaSampleFormat  nativeInputSampleFormat )

PaError PaConvert_SetupOutput (  internalPortAudioStream *  past, PaSampleFormat  nativeOutputSampleFormat )

long PaConvert_TriangularDither (  void   )

void* PaHost_AllocateFastMemory (  long  numBytes  )

PaError PaHost_CloseStream (  internalPortAudioStream *  past  )

int PaHost_FindClosestTableEntry (  double  allowableError, const double *  rateTable, int  numRates, double  frameRate )

void PaHost_FreeFastMemory (  void *  addr, long  numBytes )

internalPortAudioStream* PaHost_GetStreamRepresentation (  PortAudioStream *  stream  )

PaError PaHost_Init (  void   )

int PaHost_IsInitialized (  void   )

PaError PaHost_OpenStream (  internalPortAudioStream *  past  )

PaError PaHost_StartEngine (  internalPortAudioStream *  past  )

PaError PaHost_StartInput (  internalPortAudioStream *  past  )

PaError PaHost_StartOutput (  internalPortAudioStream *  past  )

PaError PaHost_StopEngine (  internalPortAudioStream *  past, int  abort )

PaError PaHost_StopInput (  internalPortAudioStream *  past, int  abort )

PaError PaHost_StopOutput (  internalPortAudioStream *  past, int  abort )

PaError PaHost_StreamActive (  internalPortAudioStream *  past  )

PaError PaHost_Term (  void   )

PaError PaHost_ValidateSampleRate (  PaDeviceID  id, double  requestedFrameRate, double *  closestFrameRatePtr )

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