diff options
Diffstat (limited to 'pd/portaudio/pa_common/pa_process.h')
| -rw-r--r-- | pd/portaudio/pa_common/pa_process.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/pd/portaudio/pa_common/pa_process.h b/pd/portaudio/pa_common/pa_process.h index a54eccd7..c52e9ea0 100644 --- a/pd/portaudio/pa_common/pa_process.h +++ b/pd/portaudio/pa_common/pa_process.h @@ -1,7 +1,7 @@ #ifndef PA_PROCESS_H #define PA_PROCESS_H /* - * $Id: pa_process.h,v 1.1.2.27 2004/05/28 21:13:10 aknudsen Exp $ + * $Id: pa_process.h,v 1.1.2.30 2004/12/13 09:48:44 rossbencina Exp $ * Portable Audio I/O Library callback buffer processing adapters * * Based on the Open Source API proposed by Ross Bencina @@ -279,9 +279,17 @@ typedef struct { PaStreamCallbackFlags callbackStatusFlags; unsigned long hostInputFrameCount[2]; - PaUtilChannelDescriptor *hostInputChannels[2]; + PaUtilChannelDescriptor *hostInputChannels[2]; /**< pointers to arrays of channel descriptors. + pointers are NULL for half-duplex output processing. + hostInputChannels[i].data is NULL when the caller + calls PaUtil_SetNoInput() + */ unsigned long hostOutputFrameCount[2]; - PaUtilChannelDescriptor *hostOutputChannels[2]; + PaUtilChannelDescriptor *hostOutputChannels[2]; /**< pointers to arrays of channel descriptors. + pointers are NULL for half-duplex input processing. + hostOutputChannels[i].data is NULL when the caller + calls PaUtil_SetNoOutput() + */ PaUtilTriangularDitherGenerator ditherGenerator; @@ -540,7 +548,7 @@ void PaUtil_SetOutputChannel( PaUtilBufferProcessor* bufferProcessor, unsigned int channel, void *data, unsigned int stride ); -/** Provide the buffer processor with a pointer to an number of interleaved +/** Provide the buffer processor with a pointer to a number of interleaved host output channels. @param bufferProcessor The buffer processor. @@ -623,7 +631,7 @@ void PaUtil_BeginBufferProcessing( PaUtilBufferProcessor* bufferProcessor, paAbort}. If paComplete is passed, the stream callback will not be called but any audio that was generated by previous stream callbacks will be copied to the output buffer(s). You can check whether the buffer processor's internal - buffer is empty by calling PaUtil_IsBufferProcessorOuputEmpty. + buffer is empty by calling PaUtil_IsBufferProcessorOutputEmpty. If the stream callback is called its result is stored in *callbackResult. If the stream callback returns paComplete or paAbort, all output buffers will be @@ -650,7 +658,7 @@ unsigned long PaUtil_EndBufferProcessing( PaUtilBufferProcessor* bufferProcessor buffer and zero (0) when there internal buffer contains no callback generated data. */ -int PaUtil_IsBufferProcessorOuputEmpty( PaUtilBufferProcessor* bufferProcessor ); +int PaUtil_IsBufferProcessorOutputEmpty( PaUtilBufferProcessor* bufferProcessor ); /*@}*/ |