PortAudio 2.0

pa_asio.h

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00001 #ifndef PA_ASIO_H
00002 #define PA_ASIO_H
00003 /*
00004  * $Id: pa_asio.h 1667 2011-05-02 15:49:20Z rossb $
00005  * PortAudio Portable Real-Time Audio Library
00006  * ASIO specific extensions
00007  *
00008  * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
00009  *
00010  * Permission is hereby granted, free of charge, to any person obtaining
00011  * a copy of this software and associated documentation files
00012  * (the "Software"), to deal in the Software without restriction,
00013  * including without limitation the rights to use, copy, modify, merge,
00014  * publish, distribute, sublicense, and/or sell copies of the Software,
00015  * and to permit persons to whom the Software is furnished to do so,
00016  * subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be
00019  * included in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00022  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00023  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00024  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
00025  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00026  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00027  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00028  */
00029 
00030 /*
00031  * The text above constitutes the entire PortAudio license; however, 
00032  * the PortAudio community also makes the following non-binding requests:
00033  *
00034  * Any person wishing to distribute modifications to the Software is
00035  * requested to send the modifications to the original developer so that
00036  * they can be incorporated into the canonical version. It is also 
00037  * requested that these non-binding requests be included along with the 
00038  * license above.
00039  */
00040 
00041 
00047 #include "portaudio.h"
00048 
00049 #ifdef __cplusplus
00050 extern "C"
00051 {
00052 #endif /* __cplusplus */
00053 
00054 
00070 PaError PaAsio_GetAvailableBufferSizes( PaDeviceIndex device,
00071                 long *minBufferSizeFrames, long *maxBufferSizeFrames, long *preferredBufferSizeFrames, long *granularity );
00072 
00073 
00078 #define PaAsio_GetAvailableLatencyValues PaAsio_GetAvailableBufferSizes
00079 
00080 
00087 PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
00088 
00089 
00090 
00091 
00097 PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
00098         const char** channelName );
00099 
00100         
00106 PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
00107         const char** channelName );
00108 
00109 
00120 PaError PaAsio_SetStreamSampleRate( PaStream* stream, double sampleRate );
00121 
00122 
00123 #define paAsioUseChannelSelectors      (0x01)
00124 
00125 typedef struct PaAsioStreamInfo{
00126     unsigned long size;             
00127     PaHostApiTypeId hostApiType;    
00128     unsigned long version;          
00130     unsigned long flags;
00131 
00132     /* Support for opening only specific channels of an ASIO device.
00133         If the paAsioUseChannelSelectors flag is set, channelSelectors is a
00134         pointer to an array of integers specifying the device channels to use.
00135         When used, the length of the channelSelectors array must match the
00136         corresponding channelCount parameter to Pa_OpenStream() otherwise a
00137         crash may result.
00138         The values in the selectors array must specify channels within the
00139         range of supported channels for the device or paInvalidChannelCount will
00140         result.
00141     */
00142     int *channelSelectors;
00143 }PaAsioStreamInfo;
00144 
00145 
00146 #ifdef __cplusplus
00147 }
00148 #endif /* __cplusplus */
00149 
00150 #endif /* PA_ASIO_H */