Jack2 1.9.6

pa_asio.h

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00001 #ifndef PA_ASIO_H
00002 #define PA_ASIO_H
00003 /*
00004  * $Id: pa_asio.h,v 1.1.2.2 2006/06/20 14:44:48 letz Exp $
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  * Any person wishing to distribute modifications to the Software is
00022  * requested to send the modifications to the original developer so that
00023  * they can be incorporated into the canonical version.
00024  *
00025  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00026  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00027  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00028  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
00029  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00030  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00031  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00032  *
00033  */
00034 
00040 #include "portaudio.h"
00041 
00042 #ifdef __cplusplus
00043 extern "C"
00044 {
00045 #endif /* __cplusplus */
00046 
00047 
00062     PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
00063             long *minLatency, long *maxLatency, long *preferredLatency, long *granularity );
00064 
00065 
00072     PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
00073 
00074 
00075 
00076 
00082     PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
00083                                         const char** channelName );
00084 
00085 
00091     PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
00092                                          const char** channelName );
00093 
00094 
00095 #define paAsioUseChannelSelectors      (0x01)
00096 
00097     typedef struct PaAsioStreamInfo {
00098         unsigned long size;             
00099         PaHostApiTypeId hostApiType;    
00100         unsigned long version;          
00102         unsigned long flags;
00103 
00104         /* Support for opening only specific channels of an ASIO device.
00105             If the paAsioUseChannelSelectors flag is set, channelSelectors is a
00106             pointer to an array of integers specifying the device channels to use.
00107             When used, the length of the channelSelectors array must match the
00108             corresponding channelCount parameter to Pa_OpenStream() otherwise a
00109             crash may result.
00110             The values in the selectors array must specify channels within the
00111             range of supported channels for the device or paInvalidChannelCount will
00112             result.
00113         */
00114         int *channelSelectors;
00115     }
00116     PaAsioStreamInfo;
00117 
00118 
00119 #ifdef __cplusplus
00120 }
00121 #endif /* __cplusplus */
00122 
00123 #endif /* PA_ASIO_H */