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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@247 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
123 lines
4.5 KiB
C
123 lines
4.5 KiB
C
#ifndef PA_ASIO_H
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#define PA_ASIO_H
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/*
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* $Id$
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* PortAudio Portable Real-Time Audio Library
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* ASIO specific extensions
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*
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* Copyright (c) 1999-2000 Ross Bencina and Phil Burk
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/** @file
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@brief ASIO-specific PortAudio API extension header file.
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*/
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#include "portaudio.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/** Retrieve legal latency settings for the specificed device, in samples.
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@param device The global index of the device about which the query is being made.
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@param minLatency A pointer to the location which will recieve the minimum latency value.
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@param maxLatency A pointer to the location which will recieve the maximum latency value.
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@param preferredLatency A pointer to the location which will recieve the preferred latency value.
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@param granularity A pointer to the location which will recieve the granularity. This value
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determines which values between minLatency and maxLatency are available. ie the step size,
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if granularity is -1 then available latency settings are powers of two.
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@see ASIOGetBufferSize in the ASIO SDK.
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@todo This function should have a better name, any suggestions?
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*/
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PaError PaAsio_GetAvailableLatencyValues( PaDeviceIndex device,
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long *minLatency, long *maxLatency, long *preferredLatency, long *granularity );
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/** Display the ASIO control panel for the specified device.
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@param device The global index of the device whose control panel is to be displayed.
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@param systemSpecific On Windows, the calling application's main window handle,
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on Macintosh this value should be zero.
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*/
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PaError PaAsio_ShowControlPanel( PaDeviceIndex device, void* systemSpecific );
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/** Retrieve a pointer to a string containing the name of the specified
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input channel. The string is valid until Pa_Terminate is called.
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The string will be no longer than 32 characters including the null terminator.
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*/
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PaError PaAsio_GetInputChannelName( PaDeviceIndex device, int channelIndex,
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const char** channelName );
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/** Retrieve a pointer to a string containing the name of the specified
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input channel. The string is valid until Pa_Terminate is called.
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The string will be no longer than 32 characters including the null terminator.
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*/
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PaError PaAsio_GetOutputChannelName( PaDeviceIndex device, int channelIndex,
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const char** channelName );
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#define paAsioUseChannelSelectors (0x01)
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typedef struct PaAsioStreamInfo{
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unsigned long size; /**< sizeof(PaAsioStreamInfo) */
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PaHostApiTypeId hostApiType; /**< paASIO */
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unsigned long version; /**< 1 */
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unsigned long flags;
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/* Support for opening only specific channels of an ASIO device.
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If the paAsioUseChannelSelectors flag is set, channelSelectors is a
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pointer to an array of integers specifying the device channels to use.
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When used, the length of the channelSelectors array must match the
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corresponding channelCount parameter to Pa_OpenStream() otherwise a
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crash may result.
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The values in the selectors array must specify channels within the
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range of supported channels for the device or paInvalidChannelCount will
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result.
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*/
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int *channelSelectors;
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}PaAsioStreamInfo;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PA_ASIO_H */
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