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Delete pa_linux_alsa.h

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Deleting Windows build
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James Cowdery 2020-08-03 20:14:32 -07:00 committed by GitHub
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wavplay_am824/include/pa_linux_alsa.h
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#ifndef PA_LINUX_ALSA_H
#define PA_LINUX_ALSA_H
/*
* $Id$
* PortAudio Portable Real-Time Audio Library
* ALSA-specific extensions
*
* Copyright (c) 1999-2000 Ross Bencina and Phil Burk
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* The text above constitutes the entire PortAudio license; however,
* the PortAudio community also makes the following non-binding requests:
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version. It is also
* requested that these non-binding requests be included along with the
* license above.
*/
/** @file
* @ingroup public_header
* @brief ALSA-specific PortAudio API extension header file.
*/
#include "portaudio.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct PaAlsaStreamInfo
{
unsigned long size;
PaHostApiTypeId hostApiType;
unsigned long version;
const char *deviceString;
}
PaAlsaStreamInfo;
/** Initialize host API specific structure, call this before setting relevant attributes. */
void PaAlsa_InitializeStreamInfo( PaAlsaStreamInfo *info );
/** Instruct whether to enable real-time priority when starting the audio thread.
*
* If this is turned on by the stream is started, the audio callback thread will be created
* with the FIFO scheduling policy, which is suitable for realtime operation.
**/
void PaAlsa_EnableRealtimeScheduling( PaStream *s, int enable );
#if 0
void PaAlsa_EnableWatchdog( PaStream *s, int enable );
#endif
/** Get the ALSA-lib card index of this stream's input device. */
PaError PaAlsa_GetStreamInputCard( PaStream *s, int *card );
/** Get the ALSA-lib card index of this stream's output device. */
PaError PaAlsa_GetStreamOutputCard( PaStream *s, int *card );
/** Set the number of periods (buffer fragments) to configure devices with.
*
* By default the number of periods is 4, this is the lowest number of periods that works well on
* the author's soundcard.
* @param numPeriods The number of periods.
*/
PaError PaAlsa_SetNumPeriods( int numPeriods );
/** Set the maximum number of times to retry opening busy device (sleeping for a
* short interval inbetween).
*/
PaError PaAlsa_SetRetriesBusy( int retries );
/** Set the path and name of ALSA library file if PortAudio is configured to load it dynamically (see
* PA_ALSA_DYNAMIC). This setting will overwrite the default name set by PA_ALSA_PATHNAME define.
* @param pathName Full path with filename. Only filename can be used, but dlopen() will lookup default
* searchable directories (/usr/lib;/usr/local/lib) then.
*/
void PaAlsa_SetLibraryPathName( const char *pathName );
#ifdef __cplusplus
}
#endif
#endif