| 1 | /* |
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| 2 | * Portable Audio I/O Library WASAPI implementation |
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| 3 | * Copyright (c) 2006 David Viens |
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| 4 | * |
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| 5 | * Based on the Open Source API proposed by Ross Bencina |
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| 6 | * Copyright (c) 1999-2002 Ross Bencina, Phil Burk |
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| 7 | * |
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| 8 | * Permission is hereby granted, free of charge, to any person obtaining |
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| 9 | * a copy of this software and associated documentation files |
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| 10 | * (the "Software"), to deal in the Software without restriction, |
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| 11 | * including without limitation the rights to use, copy, modify, merge, |
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| 12 | * publish, distribute, sublicense, and/or sell copies of the Software, |
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| 13 | * and to permit persons to whom the Software is furnished to do so, |
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| 14 | * subject to the following conditions: |
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| 15 | * |
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| 16 | * The above copyright notice and this permission notice shall be |
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| 17 | * included in all copies or substantial portions of the Software. |
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| 18 | * |
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| 19 | * Any person wishing to distribute modifications to the Software is |
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| 20 | * requested to send the modifications to the original developer so that |
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| 21 | * they can be incorporated into the canonical version. |
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| 22 | * |
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| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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| 26 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR |
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| 27 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
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| 28 | * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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| 29 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 30 | */ |
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| 31 | |
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| 32 | /** @file |
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| 33 | @brief WASAPI implementation of support for a host API. |
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| 34 | |
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| 35 | @note This file is provided as a starting point for implementing support for |
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| 36 | a new host API. IMPLEMENT ME comments are used to indicate functionality |
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| 37 | which much be customised for each implementation. |
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| 38 | */ |
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| 39 | |
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| 40 | |
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| 41 | |
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| 42 | //these headers are only in Windows SDK CTP Feb 2006 and only work in VC 2005! |
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| 43 | #if _MSC_VER >= 1400 |
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| 44 | #include <windows.h> |
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| 45 | #include <MMReg.h> //must be before other Wasapi headers |
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| 46 | #include <strsafe.h> |
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| 47 | #include <mmdeviceapi.h> |
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| 48 | #include <Avrt.h> |
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| 49 | #include <audioclient.h> |
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| 50 | #include <KsMedia.h> |
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| 51 | #include <propkey.h> // PKEY_Device_FriendlyName |
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| 52 | #endif |
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| 53 | |
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| 54 | |
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| 55 | |
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| 56 | #include "pa_util.h" |
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| 57 | #include "pa_allocation.h" |
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| 58 | #include "pa_hostapi.h" |
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| 59 | #include "pa_stream.h" |
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| 60 | #include "pa_cpuload.h" |
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| 61 | #include "pa_process.h" |
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| 62 | |
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| 63 | |
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| 64 | |
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| 65 | /* prototypes for functions declared in this file */ |
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| 66 | |
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| 67 | #ifdef __cplusplus |
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| 68 | extern "C" |
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| 69 | { |
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| 70 | #endif /* __cplusplus */ |
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| 71 | |
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| 72 | PaError PaWinWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index ); |
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| 73 | |
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| 74 | #ifdef __cplusplus |
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| 75 | } |
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| 76 | #endif /* __cplusplus */ |
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| 77 | |
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| 78 | |
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| 79 | |
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| 80 | |
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| 81 | static void Terminate( struct PaUtilHostApiRepresentation *hostApi ); |
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| 82 | static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, |
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| 83 | const PaStreamParameters *inputParameters, |
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| 84 | const PaStreamParameters *outputParameters, |
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| 85 | double sampleRate ); |
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| 86 | static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, |
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| 87 | PaStream** s, |
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| 88 | const PaStreamParameters *inputParameters, |
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| 89 | const PaStreamParameters *outputParameters, |
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| 90 | double sampleRate, |
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| 91 | unsigned long framesPerBuffer, |
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| 92 | PaStreamFlags streamFlags, |
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| 93 | PaStreamCallback *streamCallback, |
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| 94 | void *userData ); |
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| 95 | static PaError CloseStream( PaStream* stream ); |
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| 96 | static PaError StartStream( PaStream *stream ); |
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| 97 | static PaError StopStream( PaStream *stream ); |
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| 98 | static PaError AbortStream( PaStream *stream ); |
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| 99 | static PaError IsStreamStopped( PaStream *s ); |
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| 100 | static PaError IsStreamActive( PaStream *stream ); |
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| 101 | static PaTime GetStreamTime( PaStream *stream ); |
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| 102 | static double GetStreamCpuLoad( PaStream* stream ); |
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| 103 | static PaError ReadStream( PaStream* stream, void *buffer, unsigned long frames ); |
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| 104 | static PaError WriteStream( PaStream* stream, const void *buffer, unsigned long frames ); |
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| 105 | static signed long GetStreamReadAvailable( PaStream* stream ); |
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| 106 | static signed long GetStreamWriteAvailable( PaStream* stream ); |
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| 107 | |
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| 108 | |
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| 109 | /* IMPLEMENT ME: a macro like the following one should be used for reporting |
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| 110 | host errors */ |
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| 111 | #define PA_SKELETON_SET_LAST_HOST_ERROR( errorCode, errorText ) \ |
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| 112 | PaUtil_SetLastHostErrorInfo( paInDevelopment, errorCode, errorText ) |
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| 113 | |
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| 114 | /* PaWinWasapiHostApiRepresentation - host api datastructure specific to this implementation */ |
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| 115 | |
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| 116 | |
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| 117 | |
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| 118 | //dummy entry point for other compilers and sdks |
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| 119 | //only in Windows SDK CTP Feb 2006 and only work in VC 2005! |
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| 120 | #if _MSC_VER < 1400 |
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| 121 | |
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| 122 | PaError PaWinWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex ){ |
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| 123 | return paNoError; |
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| 124 | } |
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| 125 | |
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| 126 | #else |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | |
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| 131 | #define MAX_STR_LEN 512 |
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| 132 | |
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| 133 | /* |
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| 134 | These are fields that can be gathered from IDevice |
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| 135 | and IAudioDevice PRIOR to Initialize, and done in first pass |
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| 136 | i assume that neither of these will cause the Driver to "load", |
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| 137 | but again, who knows how they implement their stuff |
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| 138 | */ |
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| 139 | typedef struct PaWinWasapiDeviceInfo |
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| 140 | { |
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| 141 | //hmm is it wise to keep a reference until Terminate? |
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| 142 | //TODO Check if that interface requires the driver to be loaded! |
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| 143 | IMMDevice * device; |
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| 144 | |
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| 145 | //Fields filled from IDevice |
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| 146 | //from GetId |
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| 147 | WCHAR szDeviceID[MAX_STR_LEN]; |
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| 148 | //from GetState |
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| 149 | DWORD state; |
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| 150 | |
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| 151 | //Fields filled from IMMEndpoint'sGetDataFlow |
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| 152 | EDataFlow flow; |
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| 153 | |
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| 154 | //Fields filled from IAudioDevice (_prior_ to Initialize) |
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| 155 | //from GetDevicePeriod( |
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| 156 | REFERENCE_TIME DefaultDevicePeriod; |
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| 157 | REFERENCE_TIME MinimumDevicePeriod; |
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| 158 | //from GetMixFormat |
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| 159 | WAVEFORMATEX *MixFormat;//needs to be CoTaskMemFree'd after use! |
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| 160 | |
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| 161 | } PaWinWasapiDeviceInfo; |
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| 162 | |
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| 163 | |
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| 164 | typedef struct |
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| 165 | { |
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| 166 | PaUtilHostApiRepresentation inheritedHostApiRep; |
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| 167 | PaUtilStreamInterface callbackStreamInterface; |
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| 168 | PaUtilStreamInterface blockingStreamInterface; |
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| 169 | |
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| 170 | PaUtilAllocationGroup *allocations; |
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| 171 | |
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| 172 | /* implementation specific data goes here */ |
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| 173 | |
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| 174 | //in case we later need the synch |
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| 175 | IMMDeviceEnumerator * enumerator; |
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| 176 | |
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| 177 | //this is the REAL number of devices, whether they are usefull to PA or not! |
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| 178 | UINT deviceCount; |
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| 179 | |
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| 180 | WCHAR defaultRenderer [MAX_STR_LEN]; |
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| 181 | WCHAR defaultCapturer [MAX_STR_LEN]; |
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| 182 | |
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| 183 | PaWinWasapiDeviceInfo *devInfo; |
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| 184 | }PaWinWasapiHostApiRepresentation; |
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| 185 | |
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| 186 | |
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| 187 | /* PaWinWasapiStream - a stream data structure specifically for this implementation */ |
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| 188 | |
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| 189 | typedef struct PaWinWasapiSubStream{ |
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| 190 | IAudioClient *client; |
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| 191 | WAVEFORMATEXTENSIBLE wavex; |
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| 192 | UINT32 bufferSize; |
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| 193 | REFERENCE_TIME latency; |
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| 194 | REFERENCE_TIME period; |
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| 195 | unsigned long framesPerHostCallback; /* just an example */ |
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| 196 | }PaWinWasapiSubStream; |
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| 197 | |
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| 198 | typedef struct PaWinWasapiStream |
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| 199 | { /* IMPLEMENT ME: rename this */ |
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| 200 | PaUtilStreamRepresentation streamRepresentation; |
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| 201 | PaUtilCpuLoadMeasurer cpuLoadMeasurer; |
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| 202 | PaUtilBufferProcessor bufferProcessor; |
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| 203 | |
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| 204 | /* IMPLEMENT ME: |
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| 205 | - implementation specific data goes here |
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| 206 | */ |
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| 207 | |
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| 208 | |
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| 209 | //input |
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| 210 | PaWinWasapiSubStream in; |
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| 211 | IAudioCaptureClient *cclient; |
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| 212 | |
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| 213 | //output |
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| 214 | PaWinWasapiSubStream out; |
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| 215 | IAudioRenderClient *rclient; |
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| 216 | |
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| 217 | |
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| 218 | bool running; |
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| 219 | bool closeRequest; |
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| 220 | |
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| 221 | DWORD dwThreadId; |
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| 222 | HANDLE hThread; |
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| 223 | |
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| 224 | GUID session; |
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| 225 | |
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| 226 | }PaWinWasapiStream; |
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| 227 | |
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| 228 | #define PRINT(x) PA_DEBUG(x); |
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| 229 | |
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| 230 | void |
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| 231 | logAUDCLNT_E(HRESULT res){ |
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| 232 | |
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| 233 | char *text = 0; |
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| 234 | switch(res){ |
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| 235 | case S_OK: return; break; |
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| 236 | case E_POINTER :text ="E_POINTER"; break; |
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| 237 | case E_INVALIDARG :text ="E_INVALIDARG"; break; |
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| 238 | case AUDCLNT_E_NOT_INITIALIZED :text ="AUDCLNT_E_NOT_INITIALIZED"; break; |
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| 239 | case AUDCLNT_E_ALREADY_INITIALIZED :text ="AUDCLNT_E_ALREADY_INITIALIZED"; break; |
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| 240 | case AUDCLNT_E_WRONG_ENDPOINT_TYPE :text ="AUDCLNT_E_WRONG_ENDPOINT_TYPE"; break; |
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| 241 | case AUDCLNT_E_DEVICE_INVALIDATED :text ="AUDCLNT_E_DEVICE_INVALIDATED"; break; |
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| 242 | case AUDCLNT_E_NOT_STOPPED :text ="AUDCLNT_E_NOT_STOPPED"; break; |
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| 243 | case AUDCLNT_E_BUFFER_TOO_LARGE :text ="AUDCLNT_E_BUFFER_TOO_LARGE"; break; |
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| 244 | case AUDCLNT_E_OUT_OF_ORDER :text ="AUDCLNT_E_OUT_OF_ORDER"; break; |
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| 245 | case AUDCLNT_E_UNSUPPORTED_FORMAT :text ="AUDCLNT_E_UNSUPPORTED_FORMAT"; break; |
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| 246 | case AUDCLNT_E_INVALID_SIZE :text ="AUDCLNT_E_INVALID_SIZE"; break; |
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| 247 | case AUDCLNT_E_DEVICE_IN_USE :text ="AUDCLNT_E_DEVICE_IN_USE"; break; |
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| 248 | case AUDCLNT_E_BUFFER_OPERATION_PENDING :text ="AUDCLNT_E_BUFFER_OPERATION_PENDING"; break; |
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| 249 | case AUDCLNT_E_THREAD_NOT_REGISTERED :text ="AUDCLNT_E_THREAD_NOT_REGISTERED"; break; |
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| 250 | case AUDCLNT_E_NO_SINGLE_PROCESS :text ="AUDCLNT_E_NO_SINGLE_PROCESS"; break; |
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| 251 | case AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED :text ="AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED"; break; |
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| 252 | case AUDCLNT_E_ENDPOINT_CREATE_FAILED :text ="AUDCLNT_E_ENDPOINT_CREATE_FAILED"; break; |
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| 253 | default: |
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| 254 | text =" dunno!"; |
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| 255 | return ; |
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| 256 | break; |
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| 257 | |
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| 258 | } |
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| 259 | PRINT(("WASAPI ERROR HRESULT: 0x%X : %s\n",res,text)); |
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| 260 | } |
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| 261 | |
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| 262 | inline double |
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| 263 | nano100ToMillis(const REFERENCE_TIME &ref){ |
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| 264 | // 1 nano = 0.000000001 seconds |
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| 265 | //100 nano = 0.0000001 seconds |
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| 266 | //100 nano = 0.0001 milliseconds |
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| 267 | return ((double)ref)*0.0001; |
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| 268 | } |
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| 269 | |
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| 270 | inline double |
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| 271 | nano100ToSeconds(const REFERENCE_TIME &ref){ |
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| 272 | // 1 nano = 0.000000001 seconds |
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| 273 | //100 nano = 0.0000001 seconds |
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| 274 | //100 nano = 0.0001 milliseconds |
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| 275 | return ((double)ref)*0.0000001; |
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| 276 | } |
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| 277 | |
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| 278 | #ifndef IF_FAILED_JUMP |
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| 279 | #define IF_FAILED_JUMP(hr, label) if(FAILED(hr)) goto label; |
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| 280 | #endif |
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| 281 | |
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| 282 | |
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| 283 | |
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| 284 | //AVRT is the new "multimedia schedulling stuff" |
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| 285 | |
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| 286 | typedef BOOL (WINAPI *FAvRtCreateThreadOrderingGroup) (PHANDLE,PLARGE_INTEGER,GUID*,PLARGE_INTEGER); |
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| 287 | typedef BOOL (WINAPI *FAvRtDeleteThreadOrderingGroup) (HANDLE); |
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| 288 | typedef BOOL (WINAPI *FAvRtWaitOnThreadOrderingGroup) (HANDLE); |
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| 289 | typedef HANDLE (WINAPI *FAvSetMmThreadCharacteristics) (LPCTSTR,LPDWORD); |
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| 290 | typedef BOOL (WINAPI *FAvSetMmThreadPriority) (HANDLE,AVRT_PRIORITY); |
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| 291 | |
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| 292 | HMODULE hDInputDLL = 0; |
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| 293 | FAvRtCreateThreadOrderingGroup pAvRtCreateThreadOrderingGroup=0; |
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| 294 | FAvRtDeleteThreadOrderingGroup pAvRtDeleteThreadOrderingGroup=0; |
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| 295 | FAvRtWaitOnThreadOrderingGroup pAvRtWaitOnThreadOrderingGroup=0; |
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| 296 | FAvSetMmThreadCharacteristics pAvSetMmThreadCharacteristics=0; |
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| 297 | FAvSetMmThreadPriority pAvSetMmThreadPriority=0; |
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| 298 | |
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| 299 | #define setupPTR(fun, type, name) { \ |
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| 300 | fun = (type) GetProcAddress(hDInputDLL,name); \ |
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| 301 | if(fun == NULL) { \ |
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| 302 | PRINT(("GetProcAddr failed for %s" ,name)); \ |
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| 303 | return false; \ |
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| 304 | } \ |
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| 305 | } \ |
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| 306 | |
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| 307 | bool |
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| 308 | setupAVRT(){ |
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| 309 | |
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| 310 | hDInputDLL = LoadLibraryA("avrt.dll"); |
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| 311 | if(hDInputDLL == NULL) |
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| 312 | return false; |
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| 313 | |
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| 314 | setupPTR(pAvRtCreateThreadOrderingGroup, FAvRtCreateThreadOrderingGroup, "AvRtCreateThreadOrderingGroup"); |
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| 315 | setupPTR(pAvRtDeleteThreadOrderingGroup, FAvRtDeleteThreadOrderingGroup, "AvRtDeleteThreadOrderingGroup"); |
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| 316 | setupPTR(pAvRtWaitOnThreadOrderingGroup, FAvRtWaitOnThreadOrderingGroup, "AvRtWaitOnThreadOrderingGroup"); |
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| 317 | setupPTR(pAvSetMmThreadCharacteristics, FAvSetMmThreadCharacteristics, "AvSetMmThreadCharacteristicsA"); |
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| 318 | setupPTR(pAvSetMmThreadPriority, FAvSetMmThreadPriority, "AvSetMmThreadPriority"); |
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| 319 | |
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| 320 | return true; |
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| 321 | } |
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| 322 | |
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| 323 | |
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| 324 | |
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| 325 | PaError PaWinWasapi_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex ) |
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| 326 | { |
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| 327 | if (!setupAVRT()){ |
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| 328 | PRINT(("Windows WASAPI : No AVRT! (not VISTA?)")); |
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| 329 | return paNoError; |
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| 330 | } |
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| 331 | |
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| 332 | CoInitialize(NULL); |
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| 333 | |
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| 334 | PaError result = paNoError; |
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| 335 | PaWinWasapiHostApiRepresentation *paWasapi; |
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| 336 | PaDeviceInfo *deviceInfoArray; |
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| 337 | |
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| 338 | paWasapi = (PaWinWasapiHostApiRepresentation*)PaUtil_AllocateMemory( sizeof(PaWinWasapiHostApiRepresentation) ); |
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| 339 | if( !paWasapi ){ |
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| 340 | result = paInsufficientMemory; |
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| 341 | goto error; |
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| 342 | } |
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| 343 | |
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| 344 | paWasapi->allocations = PaUtil_CreateAllocationGroup(); |
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| 345 | if( !paWasapi->allocations ){ |
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| 346 | result = paInsufficientMemory; |
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| 347 | goto error; |
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| 348 | } |
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| 349 | |
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| 350 | *hostApi = &paWasapi->inheritedHostApiRep; |
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| 351 | (*hostApi)->info.structVersion = 1; |
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| 352 | (*hostApi)->info.type = paWASAPI; |
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| 353 | (*hostApi)->info.name = "Windows WASAPI"; |
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| 354 | (*hostApi)->info.deviceCount = 0; //so far, we must investigate each |
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| 355 | (*hostApi)->info.defaultInputDevice = paNoDevice; /* IMPLEMENT ME */ |
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| 356 | (*hostApi)->info.defaultOutputDevice = paNoDevice; /* IMPLEMENT ME */ |
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| 357 | |
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| 358 | |
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| 359 | HRESULT hResult = S_OK; |
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| 360 | IMMDeviceCollection* spEndpoints=0; |
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| 361 | paWasapi->enumerator = 0; |
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| 362 | |
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| 363 | if (!setupAVRT()){ |
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| 364 | PRINT(("Windows WASAPI : No AVRT! (not VISTA?)")); |
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| 365 | goto error; |
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| 366 | } |
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| 367 | |
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| 368 | hResult = CoCreateInstance( |
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| 369 | __uuidof(MMDeviceEnumerator), NULL,CLSCTX_INPROC_SERVER, |
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| 370 | __uuidof(IMMDeviceEnumerator), |
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| 371 | (void**)&paWasapi->enumerator); |
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| 372 | |
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| 373 | IF_FAILED_JUMP(hResult, error); |
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| 374 | |
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| 375 | //getting default device ids in the eMultimedia "role" |
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| 376 | { |
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| 377 | { |
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| 378 | IMMDevice* defaultRenderer=0; |
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| 379 | hResult = paWasapi->enumerator->GetDefaultAudioEndpoint(eRender, eMultimedia, &defaultRenderer); |
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| 380 | IF_FAILED_JUMP(hResult, error); |
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| 381 | WCHAR* pszDeviceId = NULL; |
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| 382 | hResult = defaultRenderer->GetId(&pszDeviceId); |
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| 383 | IF_FAILED_JUMP(hResult, error); |
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| 384 | StringCchCopyW(paWasapi->defaultRenderer, MAX_STR_LEN-1, pszDeviceId); |
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| 385 | CoTaskMemFree(pszDeviceId); |
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| 386 | defaultRenderer->Release(); |
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| 387 | } |
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| 388 | |
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| 389 | { |
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| 390 | IMMDevice* defaultCapturer=0; |
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| 391 | hResult = paWasapi->enumerator->GetDefaultAudioEndpoint(eCapture, eMultimedia, &defaultCapturer); |
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| 392 | IF_FAILED_JUMP(hResult, error); |
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| 393 | WCHAR* pszDeviceId = NULL; |
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| 394 | hResult = defaultCapturer->GetId(&pszDeviceId); |
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| 395 | IF_FAILED_JUMP(hResult, error); |
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| 396 | StringCchCopyW(paWasapi->defaultCapturer, MAX_STR_LEN-1, pszDeviceId); |
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| 397 | CoTaskMemFree(pszDeviceId); |
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| 398 | defaultCapturer->Release(); |
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| 399 | } |
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| 400 | } |
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| 401 | |
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| 402 | |
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| 403 | hResult = paWasapi->enumerator->EnumAudioEndpoints(eAll, DEVICE_STATE_ACTIVE, &spEndpoints); |
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| 404 | IF_FAILED_JUMP(hResult, error); |
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| 405 | |
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| 406 | hResult = spEndpoints->GetCount(&paWasapi->deviceCount); |
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| 407 | IF_FAILED_JUMP(hResult, error); |
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| 408 | |
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| 409 | paWasapi->devInfo = new PaWinWasapiDeviceInfo[paWasapi->deviceCount]; |
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| 410 | { |
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| 411 | for (size_t step=0;step<paWasapi->deviceCount;++step) |
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| 412 | memset(&paWasapi->devInfo[step],0,sizeof(PaWinWasapiDeviceInfo)); |
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| 413 | } |
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| 414 | |
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| 415 | |
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| 416 | |
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| 417 | if( paWasapi->deviceCount > 0 ) |
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| 418 | { |
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| 419 | (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory( |
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| 420 | paWasapi->allocations, sizeof(PaDeviceInfo*) * paWasapi->deviceCount ); |
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| 421 | if( !(*hostApi)->deviceInfos ){ |
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| 422 | result = paInsufficientMemory; |
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| 423 | goto error; |
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| 424 | } |
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| 425 | |
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| 426 | /* allocate all device info structs in a contiguous block */ |
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| 427 | deviceInfoArray = (PaDeviceInfo*)PaUtil_GroupAllocateMemory( |
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| 428 | paWasapi->allocations, sizeof(PaDeviceInfo) * paWasapi->deviceCount ); |
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| 429 | if( !deviceInfoArray ){ |
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| 430 | result = paInsufficientMemory; |
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| 431 | goto error; |
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| 432 | } |
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| 433 | |
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| 434 | for( UINT i=0; i < paWasapi->deviceCount; ++i ){ |
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| 435 | |
|---|
| 436 | PaDeviceInfo *deviceInfo = &deviceInfoArray[i]; |
|---|
| 437 | deviceInfo->structVersion = 2; |
|---|
| 438 | deviceInfo->hostApi = hostApiIndex; |
|---|
| 439 | |
|---|
| 440 | hResult = spEndpoints->Item(i, &paWasapi->devInfo[i].device); |
|---|
| 441 | IF_FAILED_JUMP(hResult, error); |
|---|
| 442 | |
|---|
| 443 | //getting ID |
|---|
| 444 | { |
|---|
| 445 | WCHAR* pszDeviceId = NULL; |
|---|
| 446 | hResult = paWasapi->devInfo[i].device->GetId(&pszDeviceId); |
|---|
| 447 | IF_FAILED_JUMP(hResult, error); |
|---|
| 448 | StringCchCopyW(paWasapi->devInfo[i].szDeviceID, MAX_STR_LEN-1, pszDeviceId); |
|---|
| 449 | CoTaskMemFree(pszDeviceId); |
|---|
| 450 | |
|---|
| 451 | if (lstrcmpW(paWasapi->devInfo[i].szDeviceID, paWasapi->defaultCapturer)==0){ |
|---|
| 452 | //we found the default input! |
|---|
| 453 | (*hostApi)->info.defaultInputDevice = (*hostApi)->info.deviceCount; |
|---|
| 454 | } |
|---|
| 455 | if (lstrcmpW(paWasapi->devInfo[i].szDeviceID, paWasapi->defaultRenderer)==0){ |
|---|
| 456 | //we found the default output! |
|---|
| 457 | (*hostApi)->info.defaultOutputDevice = (*hostApi)->info.deviceCount; |
|---|
| 458 | } |
|---|
| 459 | } |
|---|
| 460 | |
|---|
| 461 | DWORD state=0; |
|---|
| 462 | hResult = paWasapi->devInfo[i].device->GetState(&paWasapi->devInfo[i].state); |
|---|
| 463 | IF_FAILED_JUMP(hResult, error); |
|---|
| 464 | |
|---|
| 465 | if (paWasapi->devInfo[i].state != DEVICE_STATE_ACTIVE){ |
|---|
| 466 | PRINT(("WASAPI device:%d is not currently available (state:%d)\n",i,state)); |
|---|
| 467 | //spDevice->Release(); |
|---|
| 468 | //continue; |
|---|
| 469 | } |
|---|
| 470 | |
|---|
| 471 | { |
|---|
| 472 | IPropertyStore* spProperties; |
|---|
| 473 | hResult = paWasapi->devInfo[i].device->OpenPropertyStore(STGM_READ, &spProperties); |
|---|
| 474 | IF_FAILED_JUMP(hResult, error); |
|---|
| 475 | |
|---|
| 476 | //getting "Friendly" Name |
|---|
| 477 | { |
|---|
| 478 | PROPVARIANT value; |
|---|
| 479 | PropVariantInit(&value); |
|---|
| 480 | hResult = spProperties->GetValue(PKEY_Device_FriendlyName, &value); |
|---|
| 481 | IF_FAILED_JUMP(hResult, error); |
|---|
| 482 | deviceInfo->name = 0; |
|---|
| 483 | char* deviceName = (char*)PaUtil_GroupAllocateMemory( paWasapi->allocations, MAX_STR_LEN + 1 ); |
|---|
| 484 | if( !deviceName ){ |
|---|
| 485 | result = paInsufficientMemory; |
|---|
| 486 | goto error; |
|---|
| 487 | } |
|---|
| 488 | |
|---|
| 489 | wcstombs(deviceName, value.pwszVal,MAX_STR_LEN-1); //todo proper size |
|---|
| 490 | |
|---|
| 491 | deviceInfo->name = deviceName; |
|---|
| 492 | PropVariantClear(&value); |
|---|
| 493 | } |
|---|
| 494 | |
|---|
| 495 | #if 0 |
|---|
| 496 | DWORD numProps = 0; |
|---|
| 497 | hResult = spProperties->GetCount(&numProps); |
|---|
| 498 | IF_FAILED_JUMP(hResult, error); |
|---|
| 499 | { |
|---|
| 500 | for (DWORD i=0;i<numProps;++i){ |
|---|
| 501 | PROPERTYKEY pkey; |
|---|
| 502 | hResult = spProperties->GetAt(i,&pkey); |
|---|
| 503 | |
|---|
| 504 | PROPVARIANT value; |
|---|
| 505 | PropVariantInit(&value); |
|---|
| 506 | hResult = spProperties->GetValue(pkey, &value); |
|---|
| 507 | |
|---|
| 508 | switch(value.vt){ |
|---|
| 509 | case 11: |
|---|
| 510 | PRINT(("property*%u*\n",value.ulVal)); |
|---|
| 511 | break; |
|---|
| 512 | case 19: |
|---|
| 513 | PRINT(("property*%d*\n",value.boolVal)); |
|---|
| 514 | break; |
|---|
| 515 | case 31: |
|---|
| 516 | { |
|---|
| 517 | char temp[512]; |
|---|
| 518 | wcstombs(temp, value.pwszVal,MAX_STR_LEN-1); |
|---|
| 519 | PRINT(("property*%s*\n",temp)); |
|---|
| 520 | } |
|---|
| 521 | break; |
|---|
| 522 | default:break; |
|---|
| 523 | } |
|---|
| 524 | |
|---|
| 525 | PropVariantClear(&value); |
|---|
| 526 | } |
|---|
| 527 | } |
|---|
| 528 | #endif |
|---|
| 529 | |
|---|
| 530 | /* These look interresting... but they are undocumented |
|---|
| 531 | PKEY_AudioEndpoint_FormFactor |
|---|
| 532 | PKEY_AudioEndpoint_ControlPanelPageProvider |
|---|
| 533 | PKEY_AudioEndpoint_Association |
|---|
| 534 | PKEY_AudioEndpoint_PhysicalSpeakerConfig |
|---|
| 535 | PKEY_AudioEngine_DeviceFormat |
|---|
| 536 | */ |
|---|
| 537 | spProperties->Release(); |
|---|
| 538 | } |
|---|
| 539 | |
|---|
| 540 | |
|---|
| 541 | //getting the Endpoint data |
|---|
| 542 | { |
|---|
| 543 | IMMEndpoint *endpoint=0; |
|---|
| 544 | hResult = paWasapi->devInfo[i].device->QueryInterface(__uuidof(IMMEndpoint),(void **)&endpoint); |
|---|
| 545 | if (SUCCEEDED(hResult)){ |
|---|
| 546 | hResult = endpoint->GetDataFlow(&paWasapi->devInfo[i].flow); |
|---|
| 547 | endpoint->Release(); |
|---|
| 548 | } |
|---|
| 549 | } |
|---|
| 550 | |
|---|
| 551 | //Getting a temporary IAudioDevice for more fields |
|---|
| 552 | //we make sure NOT to call Initialize yet! |
|---|
| 553 | { |
|---|
| 554 | IAudioClient *myClient=0; |
|---|
| 555 | |
|---|
| 556 | hResult = paWasapi->devInfo[i].device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL, (void**)&myClient); |
|---|
| 557 | IF_FAILED_JUMP(hResult, error); |
|---|
| 558 | |
|---|
| 559 | hResult = myClient->GetDevicePeriod( |
|---|
| 560 | &paWasapi->devInfo[i].DefaultDevicePeriod, |
|---|
| 561 | &paWasapi->devInfo[i].MinimumDevicePeriod); |
|---|
| 562 | IF_FAILED_JUMP(hResult, error); |
|---|
| 563 | |
|---|
| 564 | hResult = myClient->GetMixFormat(&paWasapi->devInfo[i].MixFormat); |
|---|
| 565 | |
|---|
| 566 | IF_FAILED_JUMP(hResult, error); |
|---|
| 567 | myClient->Release(); |
|---|
| 568 | } |
|---|
| 569 | |
|---|
| 570 | //we can now fill in portaudio device data |
|---|
| 571 | deviceInfo->maxInputChannels = 0; //for now |
|---|
| 572 | deviceInfo->maxOutputChannels = 0; //for now |
|---|
| 573 | |
|---|
| 574 | switch(paWasapi->devInfo[i].flow){ |
|---|
| 575 | case eRender: |
|---|
| 576 | //hum not exaclty maximum, more like "default" |
|---|
| 577 | deviceInfo->maxOutputChannels = paWasapi->devInfo[i].MixFormat->nChannels; |
|---|
| 578 | |
|---|
| 579 | deviceInfo->defaultHighOutputLatency = nano100ToSeconds(paWasapi->devInfo[i].DefaultDevicePeriod); |
|---|
| 580 | deviceInfo->defaultLowOutputLatency = nano100ToSeconds(paWasapi->devInfo[i].MinimumDevicePeriod); |
|---|
| 581 | break; |
|---|
| 582 | case eCapture: |
|---|
| 583 | //hum not exaclty maximum, more like "default" |
|---|
| 584 | deviceInfo->maxInputChannels = paWasapi->devInfo[i].MixFormat->nChannels; |
|---|
| 585 | |
|---|
| 586 | deviceInfo->defaultHighInputLatency = nano100ToSeconds(paWasapi->devInfo[i].DefaultDevicePeriod); |
|---|
| 587 | deviceInfo->defaultLowInputLatency = nano100ToSeconds(paWasapi->devInfo[i].MinimumDevicePeriod); |
|---|
| 588 | break; |
|---|
| 589 | default: |
|---|
| 590 | PRINT(("WASAPI device:%d bad Data FLow! \n",i)); |
|---|
| 591 | goto error; |
|---|
| 592 | break; |
|---|
| 593 | } |
|---|
| 594 | |
|---|
| 595 | deviceInfo->defaultSampleRate = (double)paWasapi->devInfo[i].MixFormat->nSamplesPerSec; |
|---|
| 596 | |
|---|
| 597 | (*hostApi)->deviceInfos[i] = deviceInfo; |
|---|
| 598 | ++(*hostApi)->info.deviceCount; |
|---|
| 599 | } |
|---|
| 600 | } |
|---|
| 601 | |
|---|
| 602 | spEndpoints->Release(); |
|---|
| 603 | |
|---|
| 604 | (*hostApi)->Terminate = Terminate; |
|---|
| 605 | (*hostApi)->OpenStream = OpenStream; |
|---|
| 606 | (*hostApi)->IsFormatSupported = IsFormatSupported; |
|---|
| 607 | |
|---|
| 608 | PaUtil_InitializeStreamInterface( &paWasapi->callbackStreamInterface, CloseStream, StartStream, |
|---|
| 609 | StopStream, AbortStream, IsStreamStopped, IsStreamActive, |
|---|
| 610 | GetStreamTime, GetStreamCpuLoad, |
|---|
| 611 | PaUtil_DummyRead, PaUtil_DummyWrite, |
|---|
| 612 | PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable ); |
|---|
| 613 | |
|---|
| 614 | PaUtil_InitializeStreamInterface( &paWasapi->blockingStreamInterface, CloseStream, StartStream, |
|---|
| 615 | StopStream, AbortStream, IsStreamStopped, IsStreamActive, |
|---|
| 616 | GetStreamTime, PaUtil_DummyGetCpuLoad, |
|---|
| 617 | ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable ); |
|---|
| 618 | |
|---|
| 619 | return result; |
|---|
| 620 | |
|---|
| 621 | error: |
|---|
| 622 | |
|---|
| 623 | if (spEndpoints) |
|---|
| 624 | spEndpoints->Release(); |
|---|
| 625 | |
|---|
| 626 | if (paWasapi->enumerator) |
|---|
| 627 | paWasapi->enumerator->Release(); |
|---|
| 628 | |
|---|
| 629 | if( paWasapi ) |
|---|
| 630 | { |
|---|
| 631 | if( paWasapi->allocations ) |
|---|
| 632 | { |
|---|
| 633 | PaUtil_FreeAllAllocations( paWasapi->allocations ); |
|---|
| 634 | PaUtil_DestroyAllocationGroup( paWasapi->allocations ); |
|---|
| 635 | } |
|---|
| 636 | |
|---|
| 637 | PaUtil_FreeMemory( paWasapi ); |
|---|
| 638 | } |
|---|
| 639 | return result; |
|---|
| 640 | } |
|---|
| 641 | |
|---|
| 642 | |
|---|
| 643 | static void Terminate( struct PaUtilHostApiRepresentation *hostApi ) |
|---|
| 644 | { |
|---|
| 645 | PaWinWasapiHostApiRepresentation *paWasapi = (PaWinWasapiHostApiRepresentation*)hostApi; |
|---|
| 646 | |
|---|
| 647 | paWasapi->enumerator->Release(); |
|---|
| 648 | |
|---|
| 649 | for (UINT i=0;i<paWasapi->deviceCount;++i){ |
|---|
| 650 | PaWinWasapiDeviceInfo *info = &paWasapi->devInfo[i]; |
|---|
| 651 | |
|---|
| 652 | if (info->device) |
|---|
| 653 | info->device->Release(); |
|---|
| 654 | |
|---|
| 655 | if (info->MixFormat) |
|---|
| 656 | CoTaskMemFree(info->MixFormat); |
|---|
| 657 | } |
|---|
| 658 | delete [] paWasapi->devInfo; |
|---|
| 659 | |
|---|
| 660 | CoUninitialize(); |
|---|
| 661 | |
|---|
| 662 | if( paWasapi->allocations ){ |
|---|
| 663 | PaUtil_FreeAllAllocations( paWasapi->allocations ); |
|---|
| 664 | PaUtil_DestroyAllocationGroup( paWasapi->allocations ); |
|---|
| 665 | } |
|---|
| 666 | |
|---|
| 667 | PaUtil_FreeMemory( paWasapi ); |
|---|
| 668 | } |
|---|
| 669 | |
|---|
| 670 | static void |
|---|
| 671 | LogWAVEFORMATEXTENSIBLE(const WAVEFORMATEXTENSIBLE &in){ |
|---|
| 672 | |
|---|
| 673 | const WAVEFORMATEX *old = (WAVEFORMATEX *)∈ |
|---|
| 674 | |
|---|
| 675 | switch (old->wFormatTag){ |
|---|
| 676 | case WAVE_FORMAT_EXTENSIBLE:{ |
|---|
| 677 | |
|---|
| 678 | PRINT(("wFormatTag=WAVE_FORMAT_EXTENSIBLE\n")); |
|---|
| 679 | |
|---|
| 680 | if (in.SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT){ |
|---|
| 681 | PRINT(("SubFormat=KSDATAFORMAT_SUBTYPE_IEEE_FLOAT\n")); |
|---|
| 682 | } |
|---|
| 683 | else if (in.SubFormat == KSDATAFORMAT_SUBTYPE_PCM){ |
|---|
| 684 | PRINT(("SubFormat=KSDATAFORMAT_SUBTYPE_PCM\n")); |
|---|
| 685 | } |
|---|
| 686 | else{ |
|---|
| 687 | PRINT(("SubFormat=CUSTOM GUID{%d:%d:%d:%d%d%d%d%d%d%d%d}\n", |
|---|
| 688 | in.SubFormat.Data1, |
|---|
| 689 | in.SubFormat.Data2, |
|---|
| 690 | in.SubFormat.Data3, |
|---|
| 691 | (int)in.SubFormat.Data4[0], |
|---|
| 692 | (int)in.SubFormat.Data4[1], |
|---|
| 693 | (int)in.SubFormat.Data4[2], |
|---|
| 694 | (int)in.SubFormat.Data4[3], |
|---|
| 695 | (int)in.SubFormat.Data4[4], |
|---|
| 696 | (int)in.SubFormat.Data4[5], |
|---|
| 697 | (int)in.SubFormat.Data4[6], |
|---|
| 698 | (int)in.SubFormat.Data4[7])); |
|---|
| 699 | } |
|---|
| 700 | PRINT(("Samples.wValidBitsPerSample=%d\n", in.Samples.wValidBitsPerSample)); |
|---|
| 701 | PRINT(("dwChannelMask=0x%X\n",in.dwChannelMask)); |
|---|
| 702 | }break; |
|---|
| 703 | |
|---|
| 704 | case WAVE_FORMAT_PCM: PRINT(("wFormatTag=WAVE_FORMAT_PCM\n")); break; |
|---|
| 705 | case WAVE_FORMAT_IEEE_FLOAT: PRINT(("wFormatTag=WAVE_FORMAT_IEEE_FLOAT\n")); break; |
|---|
| 706 | default : PRINT(("wFormatTag=UNKNOWN(%d)\n",old->wFormatTag)); break; |
|---|
| 707 | } |
|---|
| 708 | |
|---|
| 709 | PRINT(("nChannels =%d\n",old->nChannels)); |
|---|
| 710 | PRINT(("nSamplesPerSec =%d\n",old->nSamplesPerSec)); |
|---|
| 711 | PRINT(("nAvgBytesPerSec=%d\n",old->nAvgBytesPerSec)); |
|---|
| 712 | PRINT(("nBlockAlign =%d\n",old->nBlockAlign)); |
|---|
| 713 | PRINT(("wBitsPerSample =%d\n",old->wBitsPerSample)); |
|---|
| 714 | PRINT(("cbSize =%d\n",old->cbSize)); |
|---|
| 715 | } |
|---|
| 716 | |
|---|
| 717 | |
|---|
| 718 | |
|---|
| 719 | /* |
|---|
| 720 | WAVEFORMATXXX is always interleaved |
|---|
| 721 | */ |
|---|
| 722 | static PaSampleFormat |
|---|
| 723 | waveformatToPaFormat(const WAVEFORMATEXTENSIBLE &in){ |
|---|
| 724 | |
|---|
| 725 | const WAVEFORMATEX *old = (WAVEFORMATEX *)∈ |
|---|
| 726 | |
|---|
| 727 | switch (old->wFormatTag){ |
|---|
| 728 | |
|---|
| 729 | case WAVE_FORMAT_EXTENSIBLE: |
|---|
| 730 | { |
|---|
| 731 | if (in.SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT){ |
|---|
| 732 | if (in.Samples.wValidBitsPerSample == 32) |
|---|
| 733 | return paFloat32; |
|---|
| 734 | else |
|---|
| 735 | return paCustomFormat; |
|---|
| 736 | } |
|---|
| 737 | else if (in.SubFormat == KSDATAFORMAT_SUBTYPE_PCM){ |
|---|
| 738 | switch (old->wBitsPerSample){ |
|---|
| 739 | case 32: return paInt32; break; |
|---|
| 740 | case 24: return paInt24;break; |
|---|
| 741 | case 8: return paUInt8;break; |
|---|
| 742 | case 16: return paInt16;break; |
|---|
| 743 | default: return paCustomFormat;break; |
|---|
| 744 | } |
|---|
| 745 | } |
|---|
| 746 | else |
|---|
| 747 | return paCustomFormat; |
|---|
| 748 | } |
|---|
| 749 | break; |
|---|
| 750 | |
|---|
| 751 | case WAVE_FORMAT_IEEE_FLOAT: |
|---|
| 752 | return paFloat32; |
|---|
| 753 | break; |
|---|
| 754 | |
|---|
| 755 | case WAVE_FORMAT_PCM: |
|---|
| 756 | { |
|---|
| 757 | switch (old->wBitsPerSample){ |
|---|
| 758 | case 32: return paInt32; break; |
|---|
| 759 | case 24: return paInt24;break; |
|---|
| 760 | case 8: return paUInt8;break; |
|---|
| 761 | case 16: return paInt16;break; |
|---|
| 762 | default: return paCustomFormat;break; |
|---|
| 763 | } |
|---|
| 764 | } |
|---|
| 765 | break; |
|---|
| 766 | |
|---|
| 767 | default: |
|---|
| 768 | return paCustomFormat; |
|---|
| 769 | break; |
|---|
| 770 | } |
|---|
| 771 | |
|---|
| 772 | return paCustomFormat; |
|---|
| 773 | } |
|---|
| 774 | |
|---|
| 775 | |
|---|
| 776 | |
|---|
| 777 | static PaError |
|---|
| 778 | waveformatFromParams(WAVEFORMATEXTENSIBLE &wav, |
|---|
| 779 | const PaStreamParameters * params, |
|---|
| 780 | double sampleRate){ |
|---|
| 781 | |
|---|
| 782 | size_t bytesPerSample = 0; |
|---|
| 783 | switch( params->sampleFormat & ~paNonInterleaved ){ |
|---|
| 784 | case paFloat32: |
|---|
| 785 | case paInt32: bytesPerSample=4;break; |
|---|
| 786 | case paInt16: bytesPerSample=2;break; |
|---|
| 787 | case paInt24: bytesPerSample=3;break; |
|---|
| 788 | case paInt8: |
|---|
| 789 | case paUInt8: bytesPerSample=1;break; |
|---|
| 790 | case paCustomFormat: |
|---|
| 791 | default: return paSampleFormatNotSupported;break; |
|---|
| 792 | } |
|---|
| 793 | |
|---|
| 794 | memset(&wav,0,sizeof(WAVEFORMATEXTENSIBLE)); |
|---|
| 795 | |
|---|
| 796 | WAVEFORMATEX *old = (WAVEFORMATEX *)&wav; |
|---|
| 797 | old->nChannels = (WORD)params->channelCount; |
|---|
| 798 | old->nSamplesPerSec = (DWORD)sampleRate; |
|---|
| 799 | old->wBitsPerSample = bytesPerSample*8; |
|---|
| 800 | old->nAvgBytesPerSec = old->nSamplesPerSec * old->nChannels * bytesPerSample; |
|---|
| 801 | old->nBlockAlign = (WORD)(old->nChannels * bytesPerSample); |
|---|
| 802 | |
|---|
| 803 | //WAVEFORMATEX |
|---|
| 804 | if (params->channelCount <=2 && (bytesPerSample == 2 || bytesPerSample == 1)){ |
|---|
| 805 | old->cbSize = 0; |
|---|
| 806 | old->wFormatTag = WAVE_FORMAT_PCM; |
|---|
| 807 | } |
|---|
| 808 | //WAVEFORMATEXTENSIBLE |
|---|
| 809 | else{ |
|---|
| 810 | old->wFormatTag = WAVE_FORMAT_EXTENSIBLE; |
|---|
| 811 | |
|---|
| 812 | old->cbSize = sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX); |
|---|
| 813 | |
|---|
| 814 | if ((params->sampleFormat & ~paNonInterleaved) == paFloat32) |
|---|
| 815 | wav.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; |
|---|
| 816 | else |
|---|
| 817 | wav.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; |
|---|
| 818 | |
|---|
| 819 | wav.Samples.wValidBitsPerSample = old->wBitsPerSample; //no extra padding! |
|---|
| 820 | |
|---|
| 821 | switch(params->channelCount){ |
|---|
| 822 | case 1: wav.dwChannelMask = SPEAKER_FRONT_CENTER; break; |
|---|
| 823 | case 2: wav.dwChannelMask = 0x1 | 0x2; break; |
|---|
| 824 | case 4: wav.dwChannelMask = 0x1 | 0x2 | 0x10 | 0x20; break; |
|---|
| 825 | case 6: wav.dwChannelMask = 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20; break; |
|---|
| 826 | case 8: wav.dwChannelMask = 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80; break; |
|---|
| 827 | default: wav.dwChannelMask = 0; break; |
|---|
| 828 | } |
|---|
| 829 | } |
|---|
| 830 | |
|---|
| 831 | return paNoError; |
|---|
| 832 | } |
|---|
| 833 | |
|---|
| 834 | |
|---|
| 835 | enum PaWasapiFormatAnswer {PWFA_OK,PWFA_NO,PWFA_SUGGESTED}; |
|---|
| 836 | |
|---|
| 837 | |
|---|
| 838 | static PaWasapiFormatAnswer |
|---|
| 839 | IsFormatSupportedInternal(IAudioClient * myClient, WAVEFORMATEXTENSIBLE &wavex){ |
|---|
| 840 | |
|---|
| 841 | PaWasapiFormatAnswer answer = PWFA_OK; |
|---|
| 842 | |
|---|
| 843 | WAVEFORMATEX *closestMatch=0; |
|---|
| 844 | HRESULT hResult = myClient->IsFormatSupported( |
|---|
| 845 | //AUDCLNT_SHAREMODE_EXCLUSIVE, |
|---|
| 846 | AUDCLNT_SHAREMODE_SHARED, |
|---|
| 847 | (WAVEFORMATEX*)&wavex,&closestMatch); |
|---|
| 848 | |
|---|
| 849 | if (hResult == S_OK) |
|---|
| 850 | answer = PWFA_OK; |
|---|
| 851 | else if (closestMatch){ |
|---|
| 852 | WAVEFORMATEXTENSIBLE* ext = (WAVEFORMATEXTENSIBLE*)closestMatch; |
|---|
| 853 | |
|---|
| 854 | if (closestMatch->wFormatTag == WAVE_FORMAT_EXTENSIBLE) |
|---|
| 855 | memcpy(&wavex,closestMatch,sizeof(WAVEFORMATEXTENSIBLE)); |
|---|
| 856 | else |
|---|
| 857 | memcpy(&wavex,closestMatch,sizeof(WAVEFORMATEX)); |
|---|
| 858 | |
|---|
| 859 | CoTaskMemFree(closestMatch); |
|---|
| 860 | answer = PWFA_SUGGESTED; |
|---|
| 861 | |
|---|
| 862 | }else if (hResult != S_OK){ |
|---|
| 863 | logAUDCLNT_E(hResult); |
|---|
| 864 | answer = PWFA_NO; |
|---|
| 865 | } |
|---|
| 866 | |
|---|
| 867 | return answer; |
|---|
| 868 | } |
|---|
| 869 | |
|---|
| 870 | |
|---|
| 871 | static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, |
|---|
| 872 | const PaStreamParameters *inputParameters, |
|---|
| 873 | const PaStreamParameters *outputParameters, |
|---|
| 874 | double sampleRate ) |
|---|
| 875 | { |
|---|
| 876 | int inputChannelCount, outputChannelCount; |
|---|
| 877 | PaSampleFormat inputSampleFormat, outputSampleFormat; |
|---|
| 878 | |
|---|
| 879 | if( inputParameters ) |
|---|
| 880 | { |
|---|
| 881 | inputChannelCount = inputParameters->channelCount; |
|---|
| 882 | inputSampleFormat = inputParameters->sampleFormat; |
|---|
| 883 | |
|---|
| 884 | /* all standard sample formats are supported by the buffer adapter, |
|---|
| 885 | this implementation doesn't support any custom sample formats */ |
|---|
| 886 | if( inputSampleFormat & paCustomFormat ) |
|---|
| 887 | return paSampleFormatNotSupported; |
|---|
| 888 | |
|---|
| 889 | /* unless alternate device specification is supported, reject the use of |
|---|
| 890 | paUseHostApiSpecificDeviceSpecification */ |
|---|
| 891 | |
|---|
| 892 | if( inputParameters->device == paUseHostApiSpecificDeviceSpecification ) |
|---|
| 893 | return paInvalidDevice; |
|---|
| 894 | |
|---|
| 895 | /* check that input device can support inputChannelCount */ |
|---|
| 896 | if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels ) |
|---|
| 897 | return paInvalidChannelCount; |
|---|
| 898 | |
|---|
| 899 | /* validate inputStreamInfo */ |
|---|
| 900 | if( inputParameters->hostApiSpecificStreamInfo ) |
|---|
| 901 | return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ |
|---|
| 902 | |
|---|
| 903 | |
|---|
| 904 | PaWinWasapiHostApiRepresentation *paWasapi = (PaWinWasapiHostApiRepresentation*)hostApi; |
|---|
| 905 | |
|---|
| 906 | WAVEFORMATEXTENSIBLE wavex; |
|---|
| 907 | waveformatFromParams(wavex,inputParameters,sampleRate); |
|---|
| 908 | |
|---|
| 909 | IAudioClient *myClient=0; |
|---|
| 910 | HRESULT hResult = paWasapi->devInfo[inputParameters->device].device->Activate( |
|---|
| 911 | __uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL, (void**)&myClient); |
|---|
| 912 | if (hResult != S_OK){ |
|---|
| 913 | logAUDCLNT_E(hResult); |
|---|
| 914 | return paInvalidDevice; |
|---|
| 915 | } |
|---|
| 916 | |
|---|
| 917 | PaWasapiFormatAnswer answer = IsFormatSupportedInternal(myClient,wavex); |
|---|
| 918 | myClient->Release(); |
|---|
| 919 | |
|---|
| 920 | switch (answer){ |
|---|
| 921 | case PWFA_OK: break; |
|---|
| 922 | case PWFA_NO: return paSampleFormatNotSupported; |
|---|
| 923 | case PWFA_SUGGESTED: |
|---|
| 924 | { |
|---|
| 925 | PRINT(("Suggested format:")); |
|---|
| 926 | LogWAVEFORMATEXTENSIBLE(wavex); |
|---|
| 927 | if (wavex.Format.nSamplesPerSec == (DWORD)sampleRate){ |
|---|
| 928 | //no problem its a format issue only |
|---|
| 929 | } |
|---|
| 930 | else{ |
|---|
| 931 | return paInvalidSampleRate; |
|---|
| 932 | } |
|---|
| 933 | } |
|---|
| 934 | } |
|---|
| 935 | |
|---|
| 936 | |
|---|
| 937 | } |
|---|
| 938 | else |
|---|
| 939 | { |
|---|
| 940 | inputChannelCount = 0; |
|---|
| 941 | } |
|---|
| 942 | |
|---|
| 943 | if( outputParameters ) |
|---|
| 944 | { |
|---|
| 945 | outputChannelCount = outputParameters->channelCount; |
|---|
| 946 | outputSampleFormat = outputParameters->sampleFormat; |
|---|
| 947 | |
|---|
| 948 | /* all standard sample formats are supported by the buffer adapter, |
|---|
| 949 | this implementation doesn't support any custom sample formats */ |
|---|
| 950 | if( outputSampleFormat & paCustomFormat ) |
|---|
| 951 | return paSampleFormatNotSupported; |
|---|
| 952 | |
|---|
| 953 | /* unless alternate device specification is supported, reject the use of |
|---|
| 954 | paUseHostApiSpecificDeviceSpecification */ |
|---|
| 955 | |
|---|
| 956 | if( outputParameters->device == paUseHostApiSpecificDeviceSpecification ) |
|---|
| 957 | return paInvalidDevice; |
|---|
| 958 | |
|---|
| 959 | /* check that output device can support outputChannelCount */ |
|---|
| 960 | if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels ) |
|---|
| 961 | return paInvalidChannelCount; |
|---|
| 962 | |
|---|
| 963 | /* validate outputStreamInfo */ |
|---|
| 964 | if( outputParameters->hostApiSpecificStreamInfo ) |
|---|
| 965 | return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ |
|---|
| 966 | |
|---|
| 967 | |
|---|
| 968 | PaWinWasapiHostApiRepresentation *paWasapi = (PaWinWasapiHostApiRepresentation*)hostApi; |
|---|
| 969 | |
|---|
| 970 | WAVEFORMATEXTENSIBLE wavex; |
|---|
| 971 | waveformatFromParams(wavex,outputParameters,sampleRate); |
|---|
| 972 | |
|---|
| 973 | IAudioClient *myClient=0; |
|---|
| 974 | HRESULT hResult = paWasapi->devInfo[outputParameters->device].device->Activate( |
|---|
| 975 | __uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL, (void**)&myClient); |
|---|
| 976 | if (hResult != S_OK){ |
|---|
| 977 | logAUDCLNT_E(hResult); |
|---|
| 978 | return paInvalidDevice; |
|---|
| 979 | } |
|---|
| 980 | |
|---|
| 981 | PaWasapiFormatAnswer answer = IsFormatSupportedInternal(myClient,wavex); |
|---|
| 982 | myClient->Release(); |
|---|
| 983 | |
|---|
| 984 | switch (answer){ |
|---|
| 985 | case PWFA_OK: break; |
|---|
| 986 | case PWFA_NO: return paSampleFormatNotSupported; |
|---|
| 987 | case PWFA_SUGGESTED: |
|---|
| 988 | { |
|---|
| 989 | PRINT(("Suggested format:")); |
|---|
| 990 | LogWAVEFORMATEXTENSIBLE(wavex); |
|---|
| 991 | if (wavex.Format.nSamplesPerSec == (DWORD)sampleRate){ |
|---|
| 992 | //no problem its a format issue only |
|---|
| 993 | } |
|---|
| 994 | else{ |
|---|
| 995 | return paInvalidSampleRate; |
|---|
| 996 | } |
|---|
| 997 | } |
|---|
| 998 | } |
|---|
| 999 | |
|---|
| 1000 | |
|---|
| 1001 | } |
|---|
| 1002 | else |
|---|
| 1003 | { |
|---|
| 1004 | outputChannelCount = 0; |
|---|
| 1005 | } |
|---|
| 1006 | |
|---|
| 1007 | |
|---|
| 1008 | return paFormatIsSupported; |
|---|
| 1009 | } |
|---|
| 1010 | |
|---|
| 1011 | |
|---|
| 1012 | |
|---|
| 1013 | /* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */ |
|---|
| 1014 | |
|---|
| 1015 | static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, |
|---|
| 1016 | PaStream** s, |
|---|
| 1017 | const PaStreamParameters *inputParameters, |
|---|
| 1018 | const PaStreamParameters *outputParameters, |
|---|
| 1019 | double sampleRate, |
|---|
| 1020 | unsigned long framesPerBuffer, |
|---|
| 1021 | PaStreamFlags streamFlags, |
|---|
| 1022 | PaStreamCallback *streamCallback, |
|---|
| 1023 | void *userData ) |
|---|
| 1024 | { |
|---|
| 1025 | PaError result = paNoError; |
|---|
| 1026 | PaWinWasapiHostApiRepresentation *paWasapi = (PaWinWasapiHostApiRepresentation*)hostApi; |
|---|
| 1027 | PaWinWasapiStream *stream = 0; |
|---|
| 1028 | int inputChannelCount, outputChannelCount; |
|---|
| 1029 | PaSampleFormat inputSampleFormat, outputSampleFormat; |
|---|
| 1030 | PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat; |
|---|
| 1031 | |
|---|
| 1032 | |
|---|
| 1033 | stream = (PaWinWasapiStream*)PaUtil_AllocateMemory( sizeof(PaWinWasapiStream) ); |
|---|
| 1034 | if( !stream ){ |
|---|
| 1035 | result = paInsufficientMemory; |
|---|
| 1036 | goto error; |
|---|
| 1037 | } |
|---|
| 1038 | |
|---|
| 1039 | if( inputParameters ) |
|---|
| 1040 | { |
|---|
| 1041 | inputChannelCount = inputParameters->channelCount; |
|---|
| 1042 | inputSampleFormat = inputParameters->sampleFormat; |
|---|
| 1043 | |
|---|
| 1044 | /* unless alternate device specification is supported, reject the use of |
|---|
| 1045 | paUseHostApiSpecificDeviceSpecification */ |
|---|
| 1046 | |
|---|
| 1047 | if( inputParameters->device == paUseHostApiSpecificDeviceSpecification ) |
|---|
| 1048 | return paInvalidDevice; |
|---|
| 1049 | |
|---|
| 1050 | /* check that input device can support inputChannelCount */ |
|---|
| 1051 | if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels ) |
|---|
| 1052 | return paInvalidChannelCount; |
|---|
| 1053 | |
|---|
| 1054 | /* validate inputStreamInfo */ |
|---|
| 1055 | if( inputParameters->hostApiSpecificStreamInfo ) |
|---|
| 1056 | return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ |
|---|
| 1057 | |
|---|
| 1058 | |
|---|
| 1059 | PaWinWasapiDeviceInfo &info = paWasapi->devInfo[inputParameters->device]; |
|---|
| 1060 | |
|---|
| 1061 | HRESULT hResult = info.device->Activate( |
|---|
| 1062 | __uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL, |
|---|
| 1063 | (void**)&stream->in.client); |
|---|
| 1064 | |
|---|
| 1065 | if (hResult != S_OK) |
|---|
| 1066 | return paInvalidDevice; |
|---|
| 1067 | |
|---|
| 1068 | waveformatFromParams(stream->in.wavex,outputParameters,sampleRate); |
|---|
| 1069 | |
|---|
| 1070 | PaWasapiFormatAnswer answer = IsFormatSupportedInternal(stream->in.client, |
|---|
| 1071 | stream->in.wavex); |
|---|
| 1072 | |
|---|
| 1073 | switch (answer){ |
|---|
| 1074 | case PWFA_OK: break; |
|---|
| 1075 | case PWFA_NO: return paSampleFormatNotSupported; |
|---|
| 1076 | case PWFA_SUGGESTED: |
|---|
| 1077 | { |
|---|
| 1078 | PRINT(("Suggested format:")); |
|---|
| 1079 | LogWAVEFORMATEXTENSIBLE(stream->in.wavex); |
|---|
| 1080 | if (stream->in.wavex.Format.nSamplesPerSec == (DWORD)sampleRate){ |
|---|
| 1081 | //no problem its a format issue only |
|---|
| 1082 | } |
|---|
| 1083 | else{ |
|---|
| 1084 | return paInvalidSampleRate; |
|---|
| 1085 | } |
|---|
| 1086 | } |
|---|
| 1087 | } |
|---|
| 1088 | |
|---|
| 1089 | //stream->out.period = info.DefaultDevicePeriod; |
|---|
| 1090 | stream->in.period = info.MinimumDevicePeriod; |
|---|
| 1091 | |
|---|
| 1092 | hResult = stream->in.client->Initialize( |
|---|
| 1093 | AUDCLNT_SHAREMODE_SHARED, |
|---|
| 1094 | //AUDCLNT_SHAREMODE_EXCLUSIVE, |
|---|
| 1095 | 0, //no flags |
|---|
| 1096 | stream->in.period*3, //tripple buffer |
|---|
| 1097 | 0,//stream->out.period, |
|---|
| 1098 | (WAVEFORMATEX*)&stream->in.wavex, |
|---|
| 1099 | &stream->session |
|---|
| 1100 | ); |
|---|
| 1101 | |
|---|
| 1102 | if (hResult != S_OK){ |
|---|
| 1103 | logAUDCLNT_E(hResult); |
|---|
| 1104 | return paInvalidDevice; |
|---|
| 1105 | } |
|---|
| 1106 | |
|---|
| 1107 | hResult = stream->in.client->GetBufferSize(&stream->in.bufferSize); |
|---|
| 1108 | if (hResult != S_OK) |
|---|
| 1109 | return paInvalidDevice; |
|---|
| 1110 | |
|---|
| 1111 | hResult = stream->in.client->GetStreamLatency(&stream->in.latency); |
|---|
| 1112 | if (hResult != S_OK) |
|---|
| 1113 | return paInvalidDevice; |
|---|
| 1114 | |
|---|
| 1115 | double periodsPerSecond = 1.0/nano100ToSeconds(stream->in.period); |
|---|
| 1116 | double samplesPerPeriod = (double)(stream->in.wavex.Format.nSamplesPerSec)/periodsPerSecond; |
|---|
| 1117 | |
|---|
| 1118 | //this is the number of samples that are required at each period |
|---|
| 1119 | stream->in.framesPerHostCallback = (unsigned long)samplesPerPeriod;//unrelated to channels |
|---|
| 1120 | |
|---|
| 1121 | /* IMPLEMENT ME - establish which host formats are available */ |
|---|
| 1122 | hostInputSampleFormat = |
|---|
| 1123 | PaUtil_SelectClosestAvailableFormat( waveformatToPaFormat(stream->in.wavex), inputSampleFormat ); |
|---|
| 1124 | } |
|---|
| 1125 | else |
|---|
| 1126 | { |
|---|
| 1127 | inputChannelCount = 0; |
|---|
| 1128 | inputSampleFormat = hostInputSampleFormat = paInt16; /* Surpress 'uninitialised var' warnings. */ |
|---|
| 1129 | } |
|---|
| 1130 | |
|---|
| 1131 | if( outputParameters ) |
|---|
| 1132 | { |
|---|
| 1133 | outputChannelCount = outputParameters->channelCount; |
|---|
| 1134 | outputSampleFormat = outputParameters->sampleFormat; |
|---|
| 1135 | |
|---|
| 1136 | /* unless alternate device specification is supported, reject the use of |
|---|
| 1137 | paUseHostApiSpecificDeviceSpecification */ |
|---|
| 1138 | |
|---|
| 1139 | if( outputParameters->device == paUseHostApiSpecificDeviceSpecification ) |
|---|
| 1140 | return paInvalidDevice; |
|---|
| 1141 | |
|---|
| 1142 | /* check that output device can support inputChannelCount */ |
|---|
| 1143 | if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels ) |
|---|
| 1144 | return paInvalidChannelCount; |
|---|
| 1145 | |
|---|
| 1146 | /* validate outputStreamInfo */ |
|---|
| 1147 | if( outputParameters->hostApiSpecificStreamInfo ) |
|---|
| 1148 | return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ |
|---|
| 1149 | |
|---|
| 1150 | |
|---|
| 1151 | PaWinWasapiDeviceInfo &info = paWasapi->devInfo[outputParameters->device]; |
|---|
| 1152 | |
|---|
| 1153 | HRESULT hResult = info.device->Activate( |
|---|
| 1154 | __uuidof(IAudioClient), CLSCTX_INPROC_SERVER, NULL, |
|---|
| 1155 | (void**)&stream->out.client); |
|---|
| 1156 | |
|---|
| 1157 | if (hResult != S_OK) |
|---|
| 1158 | return paInvalidDevice; |
|---|
| 1159 | |
|---|
| 1160 | waveformatFromParams(stream->out.wavex,outputParameters,sampleRate); |
|---|
| 1161 | |
|---|
| 1162 | PaWasapiFormatAnswer answer = IsFormatSupportedInternal(stream->out.client, |
|---|
| 1163 | stream->out.wavex); |
|---|
| 1164 | |
|---|
| 1165 | switch (answer){ |
|---|
| 1166 | case PWFA_OK: break; |
|---|
| 1167 | case PWFA_NO: return paSampleFormatNotSupported; |
|---|
| 1168 | case PWFA_SUGGESTED: |
|---|
| 1169 | { |
|---|
| 1170 | PRINT(("Suggested format:")); |
|---|
| 1171 | LogWAVEFORMATEXTENSIBLE(stream->out.wavex); |
|---|
| 1172 | if (stream->out.wavex.Format.nSamplesPerSec == (DWORD)sampleRate){ |
|---|
| 1173 | //no problem its a format issue only |
|---|
| 1174 | } |
|---|
| 1175 | else{ |
|---|
| 1176 | return paInvalidSampleRate; |
|---|
| 1177 | } |
|---|
| 1178 | } |
|---|
| 1179 | } |
|---|
| 1180 | |
|---|
| 1181 | //stream->out.period = info.DefaultDevicePeriod; |
|---|
| 1182 | stream->out.period = info.MinimumDevicePeriod; |
|---|
| 1183 | |
|---|
| 1184 | hResult = stream->out.client->Initialize( |
|---|
| 1185 | AUDCLNT_SHAREMODE_SHARED, |
|---|
| 1186 | //AUDCLNT_SHAREMODE_EXCLUSIVE, |
|---|
| 1187 | 0, //no flags |
|---|
| 1188 | stream->out.period*3, //tripple buffer |
|---|
| 1189 | 0,//stream->out.period, |
|---|
| 1190 | (WAVEFORMATEX*)&stream->out.wavex, |
|---|
| 1191 | &stream->session |
|---|
| 1192 | ); |
|---|
| 1193 | |
|---|
| 1194 | if (hResult != S_OK){ |
|---|
| 1195 | logAUDCLNT_E(hResult); |
|---|
| 1196 | return paInvalidDevice; |
|---|
| 1197 | } |
|---|
| 1198 | |
|---|
| 1199 | hResult = stream->out.client->GetBufferSize(&stream->out.bufferSize); |
|---|
| 1200 | if (hResult != S_OK) |
|---|
| 1201 | return paInvalidDevice; |
|---|
| 1202 | |
|---|
| 1203 | hResult = stream->out.client->GetStreamLatency(&stream->out.latency); |
|---|
| 1204 | if (hResult != S_OK) |
|---|
| 1205 | return paInvalidDevice; |
|---|
| 1206 | |
|---|
| 1207 | double periodsPerSecond = 1.0/nano100ToSeconds(stream->out.period); |
|---|
| 1208 | double samplesPerPeriod = (double)(stream->out.wavex.Format.nSamplesPerSec)/periodsPerSecond; |
|---|
| 1209 | |
|---|
| 1210 | //this is the number of samples that are required at each period |
|---|
| 1211 | stream->out.framesPerHostCallback = (unsigned long)samplesPerPeriod;//unrelated to channels |
|---|
| 1212 | |
|---|
| 1213 | /* IMPLEMENT ME - establish which host formats are available */ |
|---|
| 1214 | hostOutputSampleFormat = |
|---|
| 1215 | PaUtil_SelectClosestAvailableFormat( waveformatToPaFormat(stream->out.wavex), outputSampleFormat ); |
|---|
| 1216 | } |
|---|
| 1217 | else |
|---|
| 1218 | { |
|---|
| 1219 | outputChannelCount = 0; |
|---|
| 1220 | outputSampleFormat = hostOutputSampleFormat = paInt16; /* Surpress 'uninitialized var' warnings. */ |
|---|
| 1221 | } |
|---|
| 1222 | |
|---|
| 1223 | |
|---|
| 1224 | |
|---|
| 1225 | /* |
|---|
| 1226 | IMPLEMENT ME: |
|---|
| 1227 | |
|---|
| 1228 | ( the following two checks are taken care of by PaUtil_InitializeBufferProcessor() FIXME - checks needed? ) |
|---|
| 1229 | |
|---|
| 1230 | - check that input device can support inputSampleFormat, or that |
|---|
| 1231 | we have the capability to convert from outputSampleFormat to |
|---|
| 1232 | a native format |
|---|
| 1233 | |
|---|
| 1234 | - check that output device can support outputSampleFormat, or that |
|---|
| 1235 | we have the capability to convert from outputSampleFormat to |
|---|
| 1236 | a native format |
|---|
| 1237 | |
|---|
| 1238 | - if a full duplex stream is requested, check that the combination |
|---|
| 1239 | of input and output parameters is supported |
|---|
| 1240 | |
|---|
| 1241 | - check that the device supports sampleRate |
|---|
| 1242 | |
|---|
| 1243 | - alter sampleRate to a close allowable rate if possible / necessary |
|---|
| 1244 | |
|---|
| 1245 | - validate suggestedInputLatency and suggestedOutputLatency parameters, |
|---|
| 1246 | use default values where necessary |
|---|
| 1247 | */ |
|---|
| 1248 | |
|---|
| 1249 | |
|---|
| 1250 | |
|---|
| 1251 | /* validate platform specific flags */ |
|---|
| 1252 | if( (streamFlags & paPlatformSpecificFlags) != 0 ) |
|---|
| 1253 | return paInvalidFlag; /* unexpected platform specific flag */ |
|---|
| 1254 | |
|---|
| 1255 | |
|---|
| 1256 | |
|---|
| 1257 | if( streamCallback ) |
|---|
| 1258 | { |
|---|
| 1259 | PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation, |
|---|
| 1260 | &paWasapi->callbackStreamInterface, streamCallback, userData ); |
|---|
| 1261 | } |
|---|
| 1262 | else |
|---|
| 1263 | { |
|---|
| 1264 | PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation, |
|---|
| 1265 | &paWasapi->blockingStreamInterface, streamCallback, userData ); |
|---|
| 1266 | } |
|---|
| 1267 | |
|---|
| 1268 | PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate ); |
|---|
| 1269 | |
|---|
| 1270 | |
|---|
| 1271 | if (outputParameters && inputParameters){ |
|---|
| 1272 | |
|---|
| 1273 | //serious problem #1 |
|---|
| 1274 | if (stream->in.period != stream->out.period){ |
|---|
| 1275 | PRINT(("OpenStream: period discrepancy\n")); |
|---|
| 1276 | goto error; |
|---|
| 1277 | } |
|---|
| 1278 | |
|---|
| 1279 | //serious problem #2 |
|---|
| 1280 | if (stream->out.framesPerHostCallback != stream->in.framesPerHostCallback){ |
|---|
| 1281 | PRINT(("OpenStream: framesPerHostCallback discrepancy\n")); |
|---|
| 1282 | goto error; |
|---|
| 1283 | } |
|---|
| 1284 | } |
|---|
| 1285 | |
|---|
| 1286 | unsigned long framesPerHostCallback = (outputParameters)? |
|---|
| 1287 | stream->out.framesPerHostCallback: |
|---|
| 1288 | stream->in.framesPerHostCallback; |
|---|
| 1289 | |
|---|
| 1290 | /* we assume a fixed host buffer size in this example, but the buffer processor |
|---|
| 1291 | can also support bounded and unknown host buffer sizes by passing |
|---|
| 1292 | paUtilBoundedHostBufferSize or paUtilUnknownHostBufferSize instead of |
|---|
| 1293 | paUtilFixedHostBufferSize below. */ |
|---|
| 1294 | |
|---|
| 1295 | result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor, |
|---|
| 1296 | inputChannelCount, inputSampleFormat, hostInputSampleFormat, |
|---|
| 1297 | outputChannelCount, outputSampleFormat, hostOutputSampleFormat, |
|---|
| 1298 | sampleRate, streamFlags, framesPerBuffer, |
|---|
| 1299 | framesPerHostCallback, paUtilFixedHostBufferSize, |
|---|
| 1300 | streamCallback, userData ); |
|---|
| 1301 | if( result != paNoError ) |
|---|
| 1302 | goto error; |
|---|
| 1303 | |
|---|
| 1304 | |
|---|
| 1305 | /* |
|---|
| 1306 | IMPLEMENT ME: initialise the following fields with estimated or actual |
|---|
| 1307 | values. |
|---|
| 1308 | */ |
|---|
| 1309 | stream->streamRepresentation.streamInfo.inputLatency = |
|---|
| 1310 | PaUtil_GetBufferProcessorInputLatency(&stream->bufferProcessor) |
|---|
| 1311 | + ((inputParameters)?nano100ToSeconds(stream->in.latency) :0); |
|---|
| 1312 | |
|---|
| 1313 | stream->streamRepresentation.streamInfo.outputLatency = |
|---|
| 1314 | PaUtil_GetBufferProcessorOutputLatency(&stream->bufferProcessor) |
|---|
| 1315 | + ((outputParameters)?nano100ToSeconds(stream->out.latency) :0); |
|---|
| 1316 | |
|---|
| 1317 | stream->streamRepresentation.streamInfo.sampleRate = sampleRate; |
|---|
| 1318 | |
|---|
| 1319 | |
|---|
| 1320 | *s = (PaStream*)stream; |
|---|
| 1321 | |
|---|
| 1322 | |
|---|
| 1323 | return result; |
|---|
| 1324 | |
|---|
| 1325 | error: |
|---|
| 1326 | if( stream ) |
|---|
| 1327 | PaUtil_FreeMemory( stream ); |
|---|
| 1328 | |
|---|
| 1329 | return result; |
|---|
| 1330 | } |
|---|
| 1331 | |
|---|
| 1332 | |
|---|
| 1333 | |
|---|
| 1334 | /* |
|---|
| 1335 | When CloseStream() is called, the multi-api layer ensures that |
|---|
| 1336 | the stream has already been stopped or aborted. |
|---|
| 1337 | */ |
|---|
| 1338 | |
|---|
| 1339 | #define SAFE_RELEASE(punk) \ |
|---|
| 1340 | if ((punk) != NULL) \ |
|---|
| 1341 | { (punk)->Release(); (punk) = NULL; } |
|---|
| 1342 | |
|---|
| 1343 | static PaError CloseStream( PaStream* s ) |
|---|
| 1344 | { |
|---|
| 1345 | PaError result = paNoError; |
|---|
| 1346 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1347 | |
|---|
| 1348 | /* |
|---|
| 1349 | IMPLEMENT ME: |
|---|
| 1350 | - additional stream closing + cleanup |
|---|
| 1351 | */ |
|---|
| 1352 | |
|---|
| 1353 | SAFE_RELEASE(stream->out.client); |
|---|
| 1354 | SAFE_RELEASE(stream->in.client); |
|---|
| 1355 | SAFE_RELEASE(stream->cclient); |
|---|
| 1356 | SAFE_RELEASE(stream->rclient); |
|---|
| 1357 | CloseHandle(stream->hThread); |
|---|
| 1358 | |
|---|
| 1359 | PaUtil_TerminateBufferProcessor( &stream->bufferProcessor ); |
|---|
| 1360 | PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation ); |
|---|
| 1361 | PaUtil_FreeMemory( stream ); |
|---|
| 1362 | |
|---|
| 1363 | return result; |
|---|
| 1364 | } |
|---|
| 1365 | |
|---|
| 1366 | VOID ProcThread(void *client); |
|---|
| 1367 | |
|---|
| 1368 | static PaError StartStream( PaStream *s ) |
|---|
| 1369 | { |
|---|
| 1370 | PaError result = paNoError; |
|---|
| 1371 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1372 | |
|---|
| 1373 | PaUtil_ResetBufferProcessor( &stream->bufferProcessor ); |
|---|
| 1374 | |
|---|
| 1375 | HRESULT hResult=S_OK; |
|---|
| 1376 | |
|---|
| 1377 | if (stream->out.client){ |
|---|
| 1378 | hResult = stream->out.client->GetService(__uuidof(IAudioRenderClient),(void**)&stream->rclient); |
|---|
| 1379 | logAUDCLNT_E(hResult); |
|---|
| 1380 | if (hResult!=S_OK) |
|---|
| 1381 | return paUnanticipatedHostError; |
|---|
| 1382 | } |
|---|
| 1383 | |
|---|
| 1384 | if (stream->in.client){ |
|---|
| 1385 | hResult = stream->in.client->GetService(__uuidof(IAudioCaptureClient),(void**)&stream->cclient); |
|---|
| 1386 | logAUDCLNT_E(hResult); |
|---|
| 1387 | if (hResult!=S_OK) |
|---|
| 1388 | return paUnanticipatedHostError; |
|---|
| 1389 | } |
|---|
| 1390 | |
|---|
| 1391 | // Create a thread for this client. |
|---|
| 1392 | stream->hThread = CreateThread( |
|---|
| 1393 | NULL, // no security attribute |
|---|
| 1394 | 0, // default stack size |
|---|
| 1395 | (LPTHREAD_START_ROUTINE) ProcThread, |
|---|
| 1396 | (LPVOID) stream, // thread parameter |
|---|
| 1397 | 0, // not suspended |
|---|
| 1398 | &stream->dwThreadId); // returns thread ID |
|---|
| 1399 | |
|---|
| 1400 | if (stream->hThread == NULL) |
|---|
| 1401 | return paUnanticipatedHostError; |
|---|
| 1402 | |
|---|
| 1403 | return paNoError; |
|---|
| 1404 | } |
|---|
| 1405 | |
|---|
| 1406 | |
|---|
| 1407 | static PaError StopStream( PaStream *s ) |
|---|
| 1408 | { |
|---|
| 1409 | PaError result = paNoError; |
|---|
| 1410 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1411 | |
|---|
| 1412 | /* suppress unused variable warnings */ |
|---|
| 1413 | stream->closeRequest = true; |
|---|
| 1414 | //todo something MUCH better than this |
|---|
| 1415 | while(stream->closeRequest) |
|---|
| 1416 | Sleep(100); |
|---|
| 1417 | |
|---|
| 1418 | /* IMPLEMENT ME, see portaudio.h for required behavior */ |
|---|
| 1419 | |
|---|
| 1420 | stream->running = false; |
|---|
| 1421 | |
|---|
| 1422 | return result; |
|---|
| 1423 | } |
|---|
| 1424 | |
|---|
| 1425 | |
|---|
| 1426 | static PaError AbortStream( PaStream *s ) |
|---|
| 1427 | { |
|---|
| 1428 | PaError result = paNoError; |
|---|
| 1429 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1430 | |
|---|
| 1431 | /* suppress unused variable warnings */ |
|---|
| 1432 | stream->closeRequest = true; |
|---|
| 1433 | //todo something MUCH better than this |
|---|
| 1434 | while(stream->closeRequest) |
|---|
| 1435 | Sleep(100); |
|---|
| 1436 | |
|---|
| 1437 | /* IMPLEMENT ME, see portaudio.h for required behavior */ |
|---|
| 1438 | |
|---|
| 1439 | return result; |
|---|
| 1440 | } |
|---|
| 1441 | |
|---|
| 1442 | |
|---|
| 1443 | static PaError IsStreamStopped( PaStream *s ) |
|---|
| 1444 | { |
|---|
| 1445 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1446 | |
|---|
| 1447 | return !stream->running; |
|---|
| 1448 | } |
|---|
| 1449 | |
|---|
| 1450 | |
|---|
| 1451 | static PaError IsStreamActive( PaStream *s ) |
|---|
| 1452 | { |
|---|
| 1453 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1454 | return stream->running; |
|---|
| 1455 | } |
|---|
| 1456 | |
|---|
| 1457 | |
|---|
| 1458 | static PaTime GetStreamTime( PaStream *s ) |
|---|
| 1459 | { |
|---|
| 1460 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1461 | |
|---|
| 1462 | /* suppress unused variable warnings */ |
|---|
| 1463 | (void) stream; |
|---|
| 1464 | |
|---|
| 1465 | /* IMPLEMENT ME, see portaudio.h for required behavior*/ |
|---|
| 1466 | |
|---|
| 1467 | //this is lame ds and mme does the same thing, quite useless method imho |
|---|
| 1468 | //why dont we fetch the time in the pa callbacks? |
|---|
| 1469 | //at least its doing to be clocked to something |
|---|
| 1470 | return PaUtil_GetTime(); |
|---|
| 1471 | } |
|---|
| 1472 | |
|---|
| 1473 | |
|---|
| 1474 | static double GetStreamCpuLoad( PaStream* s ) |
|---|
| 1475 | { |
|---|
| 1476 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1477 | |
|---|
| 1478 | return PaUtil_GetCpuLoad( &stream->cpuLoadMeasurer ); |
|---|
| 1479 | } |
|---|
| 1480 | |
|---|
| 1481 | |
|---|
| 1482 | /* |
|---|
| 1483 | As separate stream interfaces are used for blocking and callback |
|---|
| 1484 | streams, the following functions can be guaranteed to only be called |
|---|
| 1485 | for blocking streams. |
|---|
| 1486 | */ |
|---|
| 1487 | |
|---|
| 1488 | static PaError ReadStream( PaStream* s, |
|---|
| 1489 | void *buffer, |
|---|
| 1490 | unsigned long frames ) |
|---|
| 1491 | { |
|---|
| 1492 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1493 | |
|---|
| 1494 | /* suppress unused variable warnings */ |
|---|
| 1495 | (void) buffer; |
|---|
| 1496 | (void) frames; |
|---|
| 1497 | (void) stream; |
|---|
| 1498 | |
|---|
| 1499 | /* IMPLEMENT ME, see portaudio.h for required behavior*/ |
|---|
| 1500 | |
|---|
| 1501 | return paNoError; |
|---|
| 1502 | } |
|---|
| 1503 | |
|---|
| 1504 | |
|---|
| 1505 | static PaError WriteStream( PaStream* s, |
|---|
| 1506 | const void *buffer, |
|---|
| 1507 | unsigned long frames ) |
|---|
| 1508 | { |
|---|
| 1509 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1510 | |
|---|
| 1511 | /* suppress unused variable warnings */ |
|---|
| 1512 | (void) buffer; |
|---|
| 1513 | (void) frames; |
|---|
| 1514 | (void) stream; |
|---|
| 1515 | |
|---|
| 1516 | /* IMPLEMENT ME, see portaudio.h for required behavior*/ |
|---|
| 1517 | |
|---|
| 1518 | return paNoError; |
|---|
| 1519 | } |
|---|
| 1520 | |
|---|
| 1521 | |
|---|
| 1522 | static signed long GetStreamReadAvailable( PaStream* s ) |
|---|
| 1523 | { |
|---|
| 1524 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1525 | |
|---|
| 1526 | /* suppress unused variable warnings */ |
|---|
| 1527 | (void) stream; |
|---|
| 1528 | |
|---|
| 1529 | /* IMPLEMENT ME, see portaudio.h for required behavior*/ |
|---|
| 1530 | |
|---|
| 1531 | return 0; |
|---|
| 1532 | } |
|---|
| 1533 | |
|---|
| 1534 | |
|---|
| 1535 | static signed long GetStreamWriteAvailable( PaStream* s ) |
|---|
| 1536 | { |
|---|
| 1537 | PaWinWasapiStream *stream = (PaWinWasapiStream*)s; |
|---|
| 1538 | |
|---|
| 1539 | /* suppress unused variable warnings */ |
|---|
| 1540 | (void) stream; |
|---|
| 1541 | |
|---|
| 1542 | /* IMPLEMENT ME, see portaudio.h for required behavior*/ |
|---|
| 1543 | |
|---|
| 1544 | return 0; |
|---|
| 1545 | } |
|---|
| 1546 | |
|---|
| 1547 | |
|---|
| 1548 | |
|---|
| 1549 | /* |
|---|
| 1550 | ExampleHostProcessingLoop() illustrates the kind of processing which may |
|---|
| 1551 | occur in a host implementation. |
|---|
| 1552 | |
|---|
| 1553 | */ |
|---|
| 1554 | static void WaspiHostProcessingLoop( void *inputBuffer, long inputFrames, |
|---|
| 1555 | void *outputBuffer, long outputFrames, |
|---|
| 1556 | void *userData ) |
|---|
| 1557 | { |
|---|
| 1558 | PaWinWasapiStream *stream = (PaWinWasapiStream*)userData; |
|---|
| 1559 | PaStreamCallbackTimeInfo timeInfo = {0,0,0}; /* IMPLEMENT ME */ |
|---|
| 1560 | int callbackResult; |
|---|
| 1561 | unsigned long framesProcessed; |
|---|
| 1562 | |
|---|
| 1563 | PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer ); |
|---|
| 1564 | |
|---|
| 1565 | |
|---|
| 1566 | /* |
|---|
| 1567 | IMPLEMENT ME: |
|---|
| 1568 | - generate timing information |
|---|
| 1569 | - handle buffer slips |
|---|
| 1570 | */ |
|---|
| 1571 | |
|---|
| 1572 | /* |
|---|
| 1573 | If you need to byte swap or shift inputBuffer to convert it into a |
|---|
| 1574 | portaudio format, do it here. |
|---|
| 1575 | */ |
|---|
| 1576 | |
|---|
| 1577 | |
|---|
| 1578 | |
|---|
| 1579 | PaUtil_BeginBufferProcessing( &stream->bufferProcessor, &timeInfo, 0 /* IMPLEMENT ME: pass underflow/overflow flags when necessary */ ); |
|---|
| 1580 | |
|---|
| 1581 | /* |
|---|
| 1582 | depending on whether the host buffers are interleaved, non-interleaved |
|---|
| 1583 | or a mixture, you will want to call PaUtil_SetInterleaved*Channels(), |
|---|
| 1584 | PaUtil_SetNonInterleaved*Channel() or PaUtil_Set*Channel() here. |
|---|
| 1585 | */ |
|---|
| 1586 | |
|---|
| 1587 | if( stream->bufferProcessor.inputChannelCount > 0 ) |
|---|
| 1588 | { |
|---|
| 1589 | PaUtil_SetInputFrameCount( &stream->bufferProcessor, inputFrames ); |
|---|
| 1590 | PaUtil_SetInterleavedInputChannels( &stream->bufferProcessor, |
|---|
| 1591 | 0, /* first channel of inputBuffer is channel 0 */ |
|---|
| 1592 | inputBuffer, |
|---|
| 1593 | 0 ); /* 0 - use inputChannelCount passed to init buffer processor */ |
|---|
| 1594 | } |
|---|
| 1595 | |
|---|
| 1596 | if( stream->bufferProcessor.outputChannelCount > 0 ) |
|---|
| 1597 | { |
|---|
| 1598 | PaUtil_SetOutputFrameCount( &stream->bufferProcessor, outputFrames); |
|---|
| 1599 | PaUtil_SetInterleavedOutputChannels( &stream->bufferProcessor, |
|---|
| 1600 | 0, /* first channel of outputBuffer is channel 0 */ |
|---|
| 1601 | outputBuffer, |
|---|
| 1602 | 0 ); /* 0 - use outputChannelCount passed to init buffer processor */ |
|---|
| 1603 | } |
|---|
| 1604 | |
|---|
| 1605 | /* you must pass a valid value of callback result to PaUtil_EndBufferProcessing() |
|---|
| 1606 | in general you would pass paContinue for normal operation, and |
|---|
| 1607 | paComplete to drain the buffer processor's internal output buffer. |
|---|
| 1608 | You can check whether the buffer processor's output buffer is empty |
|---|
| 1609 | using PaUtil_IsBufferProcessorOuputEmpty( bufferProcessor ) |
|---|
| 1610 | */ |
|---|
| 1611 | callbackResult = paContinue; |
|---|
| 1612 | framesProcessed = PaUtil_EndBufferProcessing( &stream->bufferProcessor, &callbackResult ); |
|---|
| 1613 | |
|---|
| 1614 | |
|---|
| 1615 | /* |
|---|
| 1616 | If you need to byte swap or shift outputBuffer to convert it to |
|---|
| 1617 | host format, do it here. |
|---|
| 1618 | */ |
|---|
| 1619 | |
|---|
| 1620 | PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed ); |
|---|
| 1621 | |
|---|
| 1622 | |
|---|
| 1623 | if( callbackResult == paContinue ) |
|---|
| 1624 | { |
|---|
| 1625 | /* nothing special to do */ |
|---|
| 1626 | } |
|---|
| 1627 | else if( callbackResult == paAbort ) |
|---|
| 1628 | { |
|---|
| 1629 | /* IMPLEMENT ME - finish playback immediately */ |
|---|
| 1630 | |
|---|
| 1631 | /* once finished, call the finished callback */ |
|---|
| 1632 | if( stream->streamRepresentation.streamFinishedCallback != 0 ) |
|---|
| 1633 | stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData ); |
|---|
| 1634 | } |
|---|
| 1635 | else |
|---|
| 1636 | { |
|---|
| 1637 | /* User callback has asked us to stop with paComplete or other non-zero value */ |
|---|
| 1638 | |
|---|
| 1639 | /* IMPLEMENT ME - finish playback once currently queued audio has completed */ |
|---|
| 1640 | |
|---|
| 1641 | /* once finished, call the finished callback */ |
|---|
| 1642 | if( stream->streamRepresentation.streamFinishedCallback != 0 ) |
|---|
| 1643 | stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData ); |
|---|
| 1644 | } |
|---|
| 1645 | } |
|---|
| 1646 | |
|---|
| 1647 | |
|---|
| 1648 | |
|---|
| 1649 | VOID |
|---|
| 1650 | ProcThread(void *param){ |
|---|
| 1651 | |
|---|
| 1652 | HRESULT hResult; |
|---|
| 1653 | |
|---|
| 1654 | DWORD stuff=0; |
|---|
| 1655 | HANDLE thCarac = pAvSetMmThreadCharacteristics("Pro Audio",&stuff); |
|---|
| 1656 | if (!thCarac){ |
|---|
| 1657 | PRINT(("AvSetMmThreadCharacteristics failed!\n")); |
|---|
| 1658 | } |
|---|
| 1659 | |
|---|
| 1660 | BOOL prio = pAvSetMmThreadPriority(thCarac,AVRT_PRIORITY_NORMAL); |
|---|
| 1661 | if (!prio){ |
|---|
| 1662 | PRINT(("AvSetMmThreadPriority failed!\n")); |
|---|
| 1663 | } |
|---|
| 1664 | |
|---|
| 1665 | |
|---|
| 1666 | PaWinWasapiStream *stream = (PaWinWasapiStream*)param; |
|---|
| 1667 | |
|---|
| 1668 | HANDLE context; |
|---|
| 1669 | GUID threadOrderGUID; |
|---|
| 1670 | memset(&threadOrderGUID,0,sizeof(GUID)); |
|---|
| 1671 | LARGE_INTEGER large; |
|---|
| 1672 | |
|---|
| 1673 | large.QuadPart = stream->out.period; |
|---|
| 1674 | |
|---|
| 1675 | BOOL ok = pAvRtCreateThreadOrderingGroup(&context, |
|---|
| 1676 | &large, |
|---|
| 1677 | &threadOrderGUID, |
|---|
| 1678 | #ifdef _DEBUG |
|---|
| 1679 | 0 //THREAD_ORDER_GROUP_INFINITE_TIMEOUT |
|---|
| 1680 | #else |
|---|
| 1681 | 0 //default is 5 times the 2nd param |
|---|
| 1682 | #endif |
|---|
| 1683 | //TEXT("Audio") |
|---|
| 1684 | ); |
|---|
| 1685 | |
|---|
| 1686 | if (!ok){ |
|---|
| 1687 | PRINT(("AvRtCreateThreadOrderingGroup failed!\n")); |
|---|
| 1688 | } |
|---|
| 1689 | |
|---|
| 1690 | //debug |
|---|
| 1691 | { |
|---|
| 1692 | HANDLE hh = GetCurrentThread(); |
|---|
| 1693 | int currprio = GetThreadPriority(hh); |
|---|
| 1694 | DWORD currclass = GetPriorityClass(GetCurrentProcess()); |
|---|
| 1695 | PRINT(("currprio 0x%X currclass 0x%X\n",currprio,currclass)); |
|---|
| 1696 | } |
|---|
| 1697 | |
|---|
| 1698 | |
|---|
| 1699 | //fill up initial buffer latency?? |
|---|
| 1700 | |
|---|
| 1701 | if (stream->out.client){ |
|---|
| 1702 | hResult = stream->out.client->Start(); |
|---|
| 1703 | if (hResult != S_OK) |
|---|
| 1704 | logAUDCLNT_E(hResult); |
|---|
| 1705 | } |
|---|
| 1706 | |
|---|
| 1707 | stream->running = true; |
|---|
| 1708 | |
|---|
| 1709 | while(!stream->closeRequest){ |
|---|
| 1710 | BOOL answer = pAvRtWaitOnThreadOrderingGroup(context); |
|---|
| 1711 | if (!answer){ |
|---|
| 1712 | PRINT(("AvRtWaitOnThreadOrderingGroup failed\n")); |
|---|
| 1713 | } |
|---|
| 1714 | |
|---|
| 1715 | unsigned long usingBS = stream->out.framesPerHostCallback; |
|---|
| 1716 | |
|---|
| 1717 | UINT32 padding=0; |
|---|
| 1718 | hResult = stream->out.client->GetCurrentPadding(&padding); |
|---|
| 1719 | logAUDCLNT_E(hResult); |
|---|
| 1720 | |
|---|
| 1721 | //buffer full dont pursue |
|---|
| 1722 | if (padding == stream->out.bufferSize) |
|---|
| 1723 | continue; |
|---|
| 1724 | |
|---|
| 1725 | //if something is already inside |
|---|
| 1726 | if (padding > 0){ |
|---|
| 1727 | usingBS = stream->out.bufferSize-padding; |
|---|
| 1728 | if (usingBS > stream->out.framesPerHostCallback){ |
|---|
| 1729 | //PRINT(("underflow! %d\n",usingBS)); |
|---|
| 1730 | } |
|---|
| 1731 | else if (usingBS < stream->out.framesPerHostCallback){ |
|---|
| 1732 | //PRINT(("overflow! %d\n",usingBS)); |
|---|
| 1733 | } |
|---|
| 1734 | } |
|---|
| 1735 | else |
|---|
| 1736 | usingBS = stream->out.framesPerHostCallback; |
|---|
| 1737 | |
|---|
| 1738 | |
|---|
| 1739 | BYTE*indata =0; |
|---|
| 1740 | BYTE*outdata=0; |
|---|
| 1741 | |
|---|
| 1742 | hResult = stream->rclient->GetBuffer(usingBS,&outdata); |
|---|
| 1743 | |
|---|
| 1744 | if (hResult != S_OK || !outdata) { |
|---|
| 1745 | logAUDCLNT_E(hResult); |
|---|
| 1746 | continue; |
|---|
| 1747 | } |
|---|
| 1748 | |
|---|
| 1749 | WaspiHostProcessingLoop(indata, usingBS |
|---|
| 1750 | ,outdata,usingBS,stream); |
|---|
| 1751 | |
|---|
| 1752 | hResult = stream->rclient->ReleaseBuffer(usingBS,0); |
|---|
| 1753 | if (hResult != S_OK) |
|---|
| 1754 | logAUDCLNT_E(hResult); |
|---|
| 1755 | |
|---|
| 1756 | } |
|---|
| 1757 | |
|---|
| 1758 | |
|---|
| 1759 | BOOL bRes = pAvRtDeleteThreadOrderingGroup(context); |
|---|
| 1760 | if (!bRes){ |
|---|
| 1761 | PRINT(("AvRtDeleteThreadOrderingGroup failure\n")); |
|---|
| 1762 | } |
|---|
| 1763 | |
|---|
| 1764 | stream->closeRequest = false; |
|---|
| 1765 | } |
|---|
| 1766 | |
|---|
| 1767 | |
|---|
| 1768 | |
|---|
| 1769 | |
|---|
| 1770 | #endif //VC 2005 |
|---|