/////////////////////////////////////////////////////////////////////////////// // Copyright (c) Winnov L.P., 1996, All rights reserved // sharemem.h: Shared memory definition for wave driver /////////////////////////////////////////////////////////////////////////////// #ifndef _SHAREMEM_INCLUDED #define _SHAREMEM_INCLUDED #define SHARED_READ_BUFFER_SIZE 0x10000 #define SHARED_WRITE_BUFFER_SIZE 0x10000 // do not localize the following strings #define SHARED_MEMORY_NAME TEXT("WNVSHARE") #define RECORD_SEMAPHORE_NAME TEXT("RECORD_SEMAPHORE") #define PLAYBACK_SEMAPHORE_NAME TEXT("PLAYBACK_SEMAPHORE") #define SHAREMEM_RADIX 10 #define MAX_SHARED_NAME_SIZE 128 /* in TCHARs */ #define MAKESHAREDMEMORYNAME(tzName,nBoard)( \ tzName[0] = 0, \ _tcscat (tzName,SHARED_MEMORY_NAME), \ _itot (nBoard, &tzName[_tcslen (tzName)], SHAREMEM_RADIX) \ ) #define MAKERECORDSEMAPHORENAME(tzName,nBoard)( \ tzName[0] = 0, \ _tcscat (tzName,RECORD_SEMAPHORE_NAME), \ _itot (nBoard, &tzName[_tcslen (tzName)], SHAREMEM_RADIX) \ ) #define MAKEPLAYBACKSEMAPHORENAME(tzName,nBoard)( \ tzName[0] = 0, \ _tcscat (tzName,PLAYBACK_SEMAPHORE_NAME), \ _itot (nBoard, &tzName[_tcslen (tzName)], SHAREMEM_RADIX) \ ) // pause control, see dwPauseState below #define PAUSESTATE_NOTPAUSED 0 /* normal playback */ #define PAUSESTATE_PAUSEREQUESTED 1 /* client has requested playback pause */ #define PAUSESTATE_PAUSED 2 /* playback is paused (output is zero) */ typedef struct tag_SHARED_HEADER { // offset in read buffer of last data read from hardware // and written read buffer by server process DWORD dwServerReadOffset; // offset in read buffer of last data read from read buffer // by client process. DWORD dwClientReadOffset; // offset in write buffer of last data read from write buffer // and written to hardware by service process DWORD dwServerWriteOffset; // offset in write buffer of last data written to write buffer // by client process. DWORD dwClientWriteOffset; // pausing causes the output to be zero filled, // even if there is data in the write buffer. DWORD dwPauseState; // see PAUSESTATE_XXX defines // sample rate control DWORD dwSampleRate; // current sampling rate (samples/second) DWORD dwNewSampleRate; // if non-zero, client is requesting // that the sample rate be changed // lock word DWORD dwLock; // the shared memory buffer is locked if non-zero // position tracking DWORD dwServerReadPosition; DWORD dwClientReadPosition; DWORD dwServerWritePosition; DWORD dwClientWritePosition; // Reset commands DWORD dwResetWrite; // reset output DWORD dwResetRead; // reset input DWORD dwServiceStarted; // wnvirq32 is running // fill to mixer area DWORD dwFill1[512-15-100-100-100-5-32-32-32-3-2]; __int64 llTime; // time of last dispatch in 100ns units DWORD dwFillToQuadWord [3]; // get to quad word boundary DWORD dwHWQStats [32]; DWORD dwXferStats [32]; DWORD dwVAStats [32]; DWORD dwElapsedTime; // since audio started DWORD dwSynchTime; // time since last synch DWORD dwElapsedBytes; // bytes during elapsed time BOOL f11kXtal; BOOL f8kXtal; DWORD dwIntervalHistogram [100]; DWORD dwDurationHistogram [100]; DWORD dwJitterHistogram [100]; //////////////////// ////// MIXER ///// //////////////////// // stream driver states DWORD dwWaveOutState; // playback driver state #define WAVEOUTSTATE_IDLE 0 #define WAVEOUTSTATE_PLAYING 1 DWORD dwWaveInState; // record driver state #define WAVEINSTATE_IDLE 0 #define WAVEINSTATE_RECORDING 1 // ASCO specific muting DWORD fMuteInput; // FALSE=pass thru, TRUE=fill output with zeros // speaker DWORD fSpeakerPresent; DWORD fSpeakerStereo; DWORD dwLeftSpeakerVolumeRequested; DWORD dwLeftSpeakerVolume; DWORD dwRightSpeakerVolumeRequested; DWORD dwRightSpeakerVolume; DWORD dwLeftSpeakerMuteState; DWORD dwRightSpeakerMuteState; // fill to page boundary DWORD dwFill2 [512-11]; #ifdef NEWMIXER // wave out DWORD fWaveOutPresent; DWORD fWaveOutStereo; DWORD dwLeftWaveOutVolumeRequested; DWORD dwLeftWaveOutVolume; DWORD dwRightWaveOutVolumeRequested; DWORD dwRightWaveOutVolume; DWORD dwLeftWaveOutMuteState; DWORD dwRightWaveOutMuteState; // wave in DWORD fWaveInPresent; DWORD fWaveInStereo; DWORD dwLeftWaveInVolumeRequested; DWORD dwLeftWaveInVolume; DWORD dwRightWaveInVolumeRequested; DWORD dwRightWaveInVolume; DWORD dwLeftWaveInMuteState; DWORD dwRightWaveInMuteState; // monitor A DWORD fMonitorAPresent; DWORD fMonitorAStereo; DWORD dwLeftMonitorAVolumeRequested; DWORD dwLeftMonitorAVolume; DWORD dwRightMonitorAVolumeRequested; DWORD dwRightMonitorAVolume; DWORD dwLeftMonitorAMuteState; DWORD dwRightMonitorAMuteState; // monitor B DWORD fMonitorBPresent; DWORD fMonitorBStereo; DWORD dwLeftMonitorBVolumeRequested; DWORD dwLeftMonitorBVolume; DWORD dwRightMonitorBVolumeRequested; DWORD dwRightMonitorBVolume; DWORD dwLeftMonitorBMuteState; DWORD dwRightMonitorBMuteState; // monitor C DWORD fMonitorCPresent; DWORD fMonitorCStereo; DWORD dwLeftMonitorCVolumeRequested; DWORD dwLeftMonitorCVolume; DWORD dwRightMonitorCVolumeRequested; DWORD dwRightMonitorCVolume; DWORD dwLeftMonitorCMuteState; DWORD dwRightMonitorCMuteState; // monitor D DWORD fMonitorDPresent; DWORD fMonitorDStereo; DWORD dwLeftMonitorDVolumeRequested; DWORD dwLeftMonitorDVolume; DWORD dwRightMonitorDVolumeRequested; DWORD dwRightMonitorDVolume; DWORD dwLeftMonitorDMuteState; DWORD dwRightMonitorDMuteState; // monitor E DWORD fMonitorEPresent; DWORD fMonitorEStereo; DWORD dwLeftMonitorEVolumeRequested; DWORD dwLeftMonitorEVolume; DWORD dwRightMonitorEVolumeRequested; DWORD dwRightMonitorEVolume; DWORD dwLeftMonitorEMuteState; DWORD dwRightMonitorEMuteState; // internal sources (maps to ASRC_XXX), on bracket or host card #define SOURCE_INT_CAMERA 0x00 /* direct camera, may map to SOURCE_MXC_CAMERA */ #define SOURCE_INT_MIC 0x01 /* microphone level */ #define SOURCE_INT_TUNER 0x02 /* direct tuner, map map to SOURCE_MXC_TUNER */ #define SOURCE_INT_LINE 0x03 /* line level */ #define SOURCE_INT_CD 0x04 /* CD, etc */ #define SOURCE_INT_AUX 0x05 /* pass thru */ #define SOURCE_INT_MXC 0x06 /* MXC interface SOURCE_MXC_XXX */ #define SOURCE_INT_SYNTH 0x07 /* internal synthesizer */ // 0x08 to 0x1F are reserved for other internal source selects // internal mux as source definitions #define SOURCE_MUX_A 0x20 /* internal mux */ #define SOURCE_MUX_B 0x21 #define SOURCE_MUX_C 0x22 #define SOURCE_MUX_D 0x23 #define SOURCE_MUX_E 0x24 #define SOURCE_MUX_F 0x25 #define SOURCE_MUX_G 0x26 #define SOURCE_MUX_H 0x27 // fixed sources #define SOURCE_OUTPUT_MIXER 0x70 /* sum of WaveOut, WaveIn, MonitorA... */ #define SOURCE_WAVEOUT 0x71 /* DtoA output */ #define SOURCE_WAVEIN 0x72 /* AtoD input */ // external sources #define SOURCE_MXC_CAMERA 0x80 /* some other external mux */ #define SOURCE_MXC_AUX_A 0x81 /* some other external mux */ #define SOURCE_MXC_TUNER 0x82 /* some other external mux */ #define SOURCE_MXC_AUX_B 0x83 /* some other external mux */ #define SOURCE_MXC_AUX_C 0x84 /* some other external mux */ #define SOURCE_MXC_AUX_D 0x85 /* some other external mux */ #define SOURCE_MXC_AUX_E 0x86 /* some other external mux */ #define SOURCE_MXC_AUX_F 0x87 /* some other external mux */ // input mixer hardware configuration DWORD dwSpeakerSourceSelect; // SOURCE_OUTPUT_MIXER DWORD dwWaveOutSourceSelect; // SOURCE_WAVEOUT DWORD dwWaveInSourceSelect; // SOURCE_MUX_XXX DWORD dwMonitorASourceSelect; // SOURCE_MUX_XXX DWORD dwMonitorBSourceSelect; // SOURCE_MUX_XXX DWORD dwMonitorCSourceSelect; // SOURCE_MUX_XXX DWORD dwMonitorDSourceSelect; // SOURCE_MUX_XXX DWORD dwMonitorESourceSelect; // SOURCE_MUX_XXX // internal mux source mux input configuration // each source connected to each input mux is bit encoded from SOURCE_INT_XXX // if the value is all zero, then the mux does not exist DWORD dwSourceMuxAConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxBConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxCConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxDConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxEConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxFConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxGConfig; // 1 << SOURCE_INT_XXX DWORD dwSourceMuxHConfig; // 1 << SOURCE_INT_XXX // internal mux source select DWORD dwSourceMuxASelect; // SOURCE_INT_XXX DWORD dwSourceMuxBSelect; // SOURCE_INT_XXX DWORD dwSourceMuxCSelect; // SOURCE_INT_XXX DWORD dwSourceMuxDSelect; // SOURCE_INT_XXX DWORD dwSourceMuxESelect; // SOURCE_INT_XXX DWORD dwSourceMuxFSelect; // SOURCE_INT_XXX DWORD dwSourceMuxGSelect; // SOURCE_INT_XXX DWORD dwSourceMuxHSelect; // SOURCE_INT_XXX // fill to page boundary DWORD dwFill2 [512-6]; #endif // NEWMIXER // Read = Record buffer BYTE bReadBuf [SHARED_READ_BUFFER_SIZE]; // Write = Playback buffer BYTE bWriteBuf [SHARED_WRITE_BUFFER_SIZE]; } SHARED_HEADER, *PSHARED_HEADER; #endif // ndef _SHAREMEM_INCLUDED