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137 lines
4.8 KiB
C
137 lines
4.8 KiB
C
#ifndef PA_WIN_WDMKS_H
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#define PA_WIN_WDMKS_H
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/*
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* $Id$
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* PortAudio Portable Real-Time Audio Library
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* WDM/KS 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 WDM Kernel Streaming-specific PortAudio API extension header file.
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*/
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#include "portaudio.h"
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#include <windows.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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/** Flags to indicate valid fields in PaWinWDMKSInfo.
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@see PaWinWDMKSInfo
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@version Available as of 19.5.0.
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*/
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typedef enum PaWinWDMKSFlags
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{
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/** Makes WDMKS use the supplied latency figures instead of relying on the frame size reported
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by the WaveCyclic device. Use at own risk!
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*/
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paWinWDMKSOverrideFramesize = (1 << 0),
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/** Makes WDMKS (output stream) use the given channelMask instead of the default.
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@version Available as of 19.5.0.
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*/
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paWinWDMKSUseGivenChannelMask = (1 << 1),
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} PaWinWDMKSFlags;
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typedef struct PaWinWDMKSInfo{
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unsigned long size; /**< sizeof(PaWinWDMKSInfo) */
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PaHostApiTypeId hostApiType; /**< paWDMKS */
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unsigned long version; /**< 1 */
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/** Flags indicate which fields are valid.
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@see PaWinWDMKSFlags
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@version Available as of 19.5.0.
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*/
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unsigned long flags;
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/** The number of packets to use for WaveCyclic devices, range is [2, 8]. Set to zero for default value of 2. */
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unsigned noOfPackets;
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/** If paWinWDMKSUseGivenChannelMask bit is set in flags, use this as channelMask instead of default.
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@see PaWinWDMKSFlags
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@version Available as of 19.5.0.
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*/
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unsigned channelMask;
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} PaWinWDMKSInfo;
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typedef enum PaWDMKSType
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{
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Type_kNotUsed,
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Type_kWaveCyclic,
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Type_kWaveRT,
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Type_kCnt,
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} PaWDMKSType;
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typedef enum PaWDMKSSubType
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{
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SubType_kUnknown,
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SubType_kNotification,
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SubType_kPolled,
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SubType_kCnt,
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} PaWDMKSSubType;
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typedef struct PaWinWDMKSDeviceInfo {
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wchar_t filterPath[MAX_PATH]; /**< KS filter path in Unicode! */
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wchar_t topologyPath[MAX_PATH]; /**< Topology filter path in Unicode! */
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PaWDMKSType streamingType;
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GUID deviceProductGuid; /**< The product GUID of the device (if supported) */
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} PaWinWDMKSDeviceInfo;
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typedef struct PaWDMKSDirectionSpecificStreamInfo
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{
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PaDeviceIndex device;
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unsigned channels; /**< No of channels the device is opened with */
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unsigned framesPerHostBuffer; /**< No of frames of the device buffer */
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int endpointPinId; /**< Endpoint pin ID (on topology filter if topologyName is not empty) */
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int muxNodeId; /**< Only valid for input */
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PaWDMKSSubType streamingSubType; /**< Not known until device is opened for streaming */
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} PaWDMKSDirectionSpecificStreamInfo;
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typedef struct PaWDMKSSpecificStreamInfo {
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PaWDMKSDirectionSpecificStreamInfo input;
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PaWDMKSDirectionSpecificStreamInfo output;
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} PaWDMKSSpecificStreamInfo;
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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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