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99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
#ifndef PA_WIN_DS_H
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#define PA_WIN_DS_H
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/*
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* $Id: $
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* PortAudio Portable Real-Time Audio Library
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* DirectSound specific extensions
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*
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* Copyright (c) 1999-2007 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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* 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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* The text above constitutes the entire PortAudio license; however,
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* the PortAudio community also makes the following non-binding requests:
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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. It is also
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* requested that these non-binding requests be included along with the
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* license above.
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*/
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/** @file
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@ingroup public_header
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@brief DirectSound-specific PortAudio API extension header file.
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*/
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#include "portaudio.h"
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#include "pa_win_waveformat.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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#define paWinDirectSoundUseLowLevelLatencyParameters (0x01)
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#define paWinDirectSoundUseChannelMask (0x04)
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typedef struct PaWinDirectSoundStreamInfo{
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unsigned long size; /**< sizeof(PaWinDirectSoundStreamInfo) */
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PaHostApiTypeId hostApiType; /**< paDirectSound */
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unsigned long version; /**< 2 */
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unsigned long flags;
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/* low-level latency setting support
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Control the size of host buffers in order to set latency. They will
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be used instead of the generic parameters to Pa_OpenStream() if
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flags contains the paWinDirectSoundUseLowLevelLatencyParameters
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flag.
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If PaWinDirectSoundStreamInfo structures with paWinDirectSoundUseLowLevelLatencyParameters
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are supplied for both input and output in a full duplex stream, then the
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input and output framesPerBuffer must be the same, or the larger of the
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two must be a multiple of the smaller, otherwise a
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paIncompatibleHostApiSpecificStreamInfo error will be returned from
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Pa_OpenStream().
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*/
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unsigned long framesPerBuffer; /* NOT IMPLEMENTED see http://www.portaudio.com/trac/ticket/129 */
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/*
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support for WAVEFORMATEXTENSIBLE channel masks. If flags contains
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paWinDirectSoundUseChannelMask this allows you to specify which speakers
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to address in a multichannel stream. Constants for channelMask
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are specified in pa_win_waveformat.h
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*/
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PaWinWaveFormatChannelMask channelMask;
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}PaWinDirectSoundStreamInfo;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PA_WIN_DS_H */
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