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 1592 2011-02-04 10:41:58Z 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_GetAvailableLatencyValues( PaDeviceIndex device,
00071                 long *minLatency, long *maxLatency, long *preferredLatency, long *granularity );
00072 
00073         
00080 PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
00081 
00082 
00083 
00084 
00090 PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
00091         const char** channelName );
00092 
00093         
00099 PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
00100         const char** channelName );
00101 
00102 
00113 PaError PaAsio_SetStreamSampleRate( PaStream* stream, double sampleRate );
00114 
00115 
00116 #define paAsioUseChannelSelectors      (0x01)
00117 
00118 typedef struct PaAsioStreamInfo{
00119     unsigned long size;             
00120     PaHostApiTypeId hostApiType;    
00121     unsigned long version;          
00123     unsigned long flags;
00124 
00125     /* Support for opening only specific channels of an ASIO device.
00126         If the paAsioUseChannelSelectors flag is set, channelSelectors is a
00127         pointer to an array of integers specifying the device channels to use.
00128         When used, the length of the channelSelectors array must match the
00129         corresponding channelCount parameter to Pa_OpenStream() otherwise a
00130         crash may result.
00131         The values in the selectors array must specify channels within the
00132         range of supported channels for the device or paInvalidChannelCount will
00133         result.
00134     */
00135     int *channelSelectors;
00136 }PaAsioStreamInfo;
00137 
00138 
00139 #ifdef __cplusplus
00140 }
00141 #endif /* __cplusplus */
00142 
00143 #endif /* PA_ASIO_H */

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