Delete pa_win_wmme.h
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#ifndef PA_WIN_WMME_H
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#define PA_WIN_WMME_H
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/*
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* $Id$
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* PortAudio Portable Real-Time Audio Library
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* MME 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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* 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 WMME-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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/* The following are flags which can be set in
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PaWinMmeStreamInfo's flags field.
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*/
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#define paWinMmeUseLowLevelLatencyParameters (0x01)
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#define paWinMmeUseMultipleDevices (0x02) /* use mme specific multiple device feature */
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#define paWinMmeUseChannelMask (0x04)
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/* By default, the mme implementation drops the processing thread's priority
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to THREAD_PRIORITY_NORMAL and sleeps the thread if the CPU load exceeds 100%
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This flag disables any priority throttling. The processing thread will always
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run at THREAD_PRIORITY_TIME_CRITICAL.
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*/
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#define paWinMmeDontThrottleOverloadedProcessingThread (0x08)
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/* Flags for non-PCM spdif passthrough.
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*/
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#define paWinMmeWaveFormatDolbyAc3Spdif (0x10)
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#define paWinMmeWaveFormatWmaSpdif (0x20)
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typedef struct PaWinMmeDeviceAndChannelCount{
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PaDeviceIndex device;
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int channelCount;
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}PaWinMmeDeviceAndChannelCount;
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typedef struct PaWinMmeStreamInfo{
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unsigned long size; /**< sizeof(PaWinMmeStreamInfo) */
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PaHostApiTypeId hostApiType; /**< paMME */
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unsigned long version; /**< 1 */
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unsigned long flags;
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/* low-level latency setting support
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These settings control the number and size of host buffers in order
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to set latency. They will be used instead of the generic parameters
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to Pa_OpenStream() if flags contains the PaWinMmeUseLowLevelLatencyParameters
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flag.
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If PaWinMmeStreamInfo structures with PaWinMmeUseLowLevelLatencyParameters
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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;
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unsigned long bufferCount; /* formerly numBuffers */
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/* multiple devices per direction support
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If flags contains the PaWinMmeUseMultipleDevices flag,
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this functionality will be used, otherwise the device parameter to
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Pa_OpenStream() will be used instead.
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If devices are specified here, the corresponding device parameter
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to Pa_OpenStream() should be set to paUseHostApiSpecificDeviceSpecification,
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otherwise an paInvalidDevice error will result.
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The total number of channels accross all specified devices
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must agree with the corresponding channelCount parameter to
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Pa_OpenStream() otherwise a paInvalidChannelCount error will result.
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*/
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PaWinMmeDeviceAndChannelCount *devices;
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unsigned long deviceCount;
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/*
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support for WAVEFORMATEXTENSIBLE channel masks. If flags contains
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paWinMmeUseChannelMask 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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}PaWinMmeStreamInfo;
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/** Retrieve the number of wave in handles used by a PortAudio WinMME stream.
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Returns zero if the stream is output only.
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@return A non-negative value indicating the number of wave in handles
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or, a PaErrorCode (which are always negative) if PortAudio is not initialized
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or an error is encountered.
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@see PaWinMME_GetStreamInputHandle
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*/
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int PaWinMME_GetStreamInputHandleCount( PaStream* stream );
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/** Retrieve a wave in handle used by a PortAudio WinMME stream.
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@param stream The stream to query.
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@param handleIndex The zero based index of the wave in handle to retrieve. This
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should be in the range [0, PaWinMME_GetStreamInputHandleCount(stream)-1].
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@return A valid wave in handle, or NULL if an error occurred.
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@see PaWinMME_GetStreamInputHandle
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*/
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HWAVEIN PaWinMME_GetStreamInputHandle( PaStream* stream, int handleIndex );
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/** Retrieve the number of wave out handles used by a PortAudio WinMME stream.
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Returns zero if the stream is input only.
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@return A non-negative value indicating the number of wave out handles
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or, a PaErrorCode (which are always negative) if PortAudio is not initialized
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or an error is encountered.
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@see PaWinMME_GetStreamOutputHandle
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*/
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int PaWinMME_GetStreamOutputHandleCount( PaStream* stream );
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/** Retrieve a wave out handle used by a PortAudio WinMME stream.
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@param stream The stream to query.
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@param handleIndex The zero based index of the wave out handle to retrieve.
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This should be in the range [0, PaWinMME_GetStreamOutputHandleCount(stream)-1].
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@return A valid wave out handle, or NULL if an error occurred.
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@see PaWinMME_GetStreamOutputHandleCount
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*/
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HWAVEOUT PaWinMME_GetStreamOutputHandle( PaStream* stream, int handleIndex );
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* PA_WIN_WMME_H */
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