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Diffstat (limited to 'portaudio/include/pa_win_wdmks.h')
-rw-r--r-- | portaudio/include/pa_win_wdmks.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/portaudio/include/pa_win_wdmks.h b/portaudio/include/pa_win_wdmks.h new file mode 100644 index 0000000..bc2f689 --- /dev/null +++ b/portaudio/include/pa_win_wdmks.h @@ -0,0 +1,137 @@ +#ifndef PA_WIN_WDMKS_H +#define PA_WIN_WDMKS_H +/* + * $Id$ + * PortAudio Portable Real-Time Audio Library + * WDM/KS specific extensions + * + * Copyright (c) 1999-2007 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 WDM Kernel Streaming-specific PortAudio API extension header file. +*/ + + +#include "portaudio.h" + +#include <windows.h> + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + + /** Flags to indicate valid fields in PaWinWDMKSInfo. + @see PaWinWDMKSInfo + @version Available as of 19.5.0. + */ + typedef enum PaWinWDMKSFlags + { + /** Makes WDMKS use the supplied latency figures instead of relying on the frame size reported + by the WaveCyclic device. Use at own risk! + */ + paWinWDMKSOverrideFramesize = (1 << 0), + + /** Makes WDMKS (output stream) use the given channelMask instead of the default. + @version Available as of 19.5.0. + */ + paWinWDMKSUseGivenChannelMask = (1 << 1), + + } PaWinWDMKSFlags; + + typedef struct PaWinWDMKSInfo{ + unsigned long size; /**< sizeof(PaWinWDMKSInfo) */ + PaHostApiTypeId hostApiType; /**< paWDMKS */ + unsigned long version; /**< 1 */ + + /** Flags indicate which fields are valid. + @see PaWinWDMKSFlags + @version Available as of 19.5.0. + */ + unsigned long flags; + + /** The number of packets to use for WaveCyclic devices, range is [2, 8]. Set to zero for default value of 2. */ + unsigned noOfPackets; + + /** If paWinWDMKSUseGivenChannelMask bit is set in flags, use this as channelMask instead of default. + @see PaWinWDMKSFlags + @version Available as of 19.5.0. + */ + unsigned channelMask; + } PaWinWDMKSInfo; + + typedef enum PaWDMKSType + { + Type_kNotUsed, + Type_kWaveCyclic, + Type_kWaveRT, + Type_kCnt, + } PaWDMKSType; + + typedef enum PaWDMKSSubType + { + SubType_kUnknown, + SubType_kNotification, + SubType_kPolled, + SubType_kCnt, + } PaWDMKSSubType; + + typedef struct PaWinWDMKSDeviceInfo { + wchar_t filterPath[MAX_PATH]; /**< KS filter path in Unicode! */ + wchar_t topologyPath[MAX_PATH]; /**< Topology filter path in Unicode! */ + PaWDMKSType streamingType; + GUID deviceProductGuid; /**< The product GUID of the device (if supported) */ + } PaWinWDMKSDeviceInfo; + + typedef struct PaWDMKSDirectionSpecificStreamInfo + { + PaDeviceIndex device; + unsigned channels; /**< No of channels the device is opened with */ + unsigned framesPerHostBuffer; /**< No of frames of the device buffer */ + int endpointPinId; /**< Endpoint pin ID (on topology filter if topologyName is not empty) */ + int muxNodeId; /**< Only valid for input */ + PaWDMKSSubType streamingSubType; /**< Not known until device is opened for streaming */ + } PaWDMKSDirectionSpecificStreamInfo; + + typedef struct PaWDMKSSpecificStreamInfo { + PaWDMKSDirectionSpecificStreamInfo input; + PaWDMKSDirectionSpecificStreamInfo output; + } PaWDMKSSpecificStreamInfo; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* PA_WIN_DS_H */ |