mirror of
https://github.com/libsdl-org/SDL.git
synced 2025-09-22 11:18:14 +00:00
os2: a _lot_ of coding style cleanup, sot that they match the SDL style.
also renamed the 'debug' macro to debug_os2: the former was dangerously a common name. the binary (dll) output is precisely the same as before.
This commit is contained in:
Ozkan Sezer
@@ -34,443 +34,417 @@
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/*
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void lockIncr(volatile int *piVal);
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#pragma aux lockIncr = \
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" lock add [eax], 1 "\
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parm [eax];
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" lock add [eax], 1 "\
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parm [eax];
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void lockDecr(volatile int *piVal);
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#pragma aux lockDecr = \
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" lock sub [eax], 1 "\
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parm [eax];
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" lock sub [eax], 1 "\
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parm [eax];
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*/
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static ULONG _getEnvULong(PSZ pszName, ULONG ulMax, ULONG ulDefault)
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{
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ULONG ulValue;
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PCHAR pcEnd;
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PSZ pszEnvVal = SDL_getenv( pszName );
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ULONG ulValue;
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PCHAR pcEnd;
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PSZ pszEnvVal = SDL_getenv(pszName);
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if ( pszEnvVal == NULL )
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return ulDefault;
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if (pszEnvVal == NULL)
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return ulDefault;
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ulValue = SDL_strtoul( (const char *)pszEnvVal, &pcEnd, 10 );
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return ( pcEnd == pszEnvVal ) || ( ulValue > ulMax ) ? ulDefault : ulMax;
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ulValue = SDL_strtoul((const char *)pszEnvVal, &pcEnd, 10);
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return (pcEnd == pszEnvVal) || (ulValue > ulMax)? ulDefault : ulMax;
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}
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static int _MCIError(PSZ pszFunc, ULONG ulResult)
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{
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CHAR acBuf[128];
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mciGetErrorString( ulResult, acBuf, sizeof(acBuf) );
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return SDL_SetError( "[%s] %s", pszFunc, acBuf );
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CHAR acBuf[128];
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mciGetErrorString(ulResult, acBuf, sizeof(acBuf));
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return SDL_SetError("[%s] %s", pszFunc, acBuf);
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}
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static void _mixIOError(PSZ pszFunction, ULONG ulRC)
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{
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debug( "%s() - failed, rc = 0x%X (%s)",
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pszFunction, ulRC,
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ulRC == MCIERR_INVALID_MODE ? "Mixer mode does not match request"
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: ulRC == MCIERR_INVALID_BUFFER ? "Caller sent an invalid buffer"
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: "unknown" );
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debug_os2("%s() - failed, rc = 0x%X (%s)",
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pszFunction, ulRC,
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(ulRC == MCIERR_INVALID_MODE) ? "Mixer mode does not match request" :
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(ulRC == MCIERR_INVALID_BUFFER) ? "Caller sent an invalid buffer" : "unknown");
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}
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LONG APIENTRY cbAudioWriteEvent(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer,
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ULONG ulFlags)
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{
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)pBuffer->ulUserParm;
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ULONG ulRC;
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)pBuffer->ulUserParm;
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ULONG ulRC;
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if ( ulFlags != MIX_WRITE_COMPLETE )
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{
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debug( "flags = 0x%X", ulFlags );
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return 0;
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}
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if (ulFlags != MIX_WRITE_COMPLETE) {
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debug_os2("flags = 0x%X", ulFlags);
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return 0;
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}
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// lockDecr( (int *)&pAData->ulQueuedBuf );
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ulRC = DosPostEventSem( pAData->hevBuf );
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if ( ( ulRC != NO_ERROR ) && ( ulRC != ERROR_ALREADY_POSTED ) )
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debug( "DosPostEventSem(), rc = %u", ulRC );
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/*lockDecr((int *)&pAData->ulQueuedBuf);*/
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ulRC = DosPostEventSem(pAData->hevBuf);
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if (ulRC != NO_ERROR && ulRC != ERROR_ALREADY_POSTED) {
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debug_os2("DosPostEventSem(), rc = %u", ulRC);
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}
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return 1; // It seems, return value is not matter.
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return 1; // It seems, return value is not matter.
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}
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LONG APIENTRY cbAudioReadEvent(ULONG ulStatus, PMCI_MIX_BUFFER pBuffer,
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ULONG ulFlags)
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{
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)pBuffer->ulUserParm;
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ULONG ulRC;
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)pBuffer->ulUserParm;
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ULONG ulRC;
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if ( ulFlags != MIX_READ_COMPLETE )
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{
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debug( "flags = 0x%X", ulFlags );
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return 0;
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}
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if (ulFlags != MIX_READ_COMPLETE) {
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debug_os2("flags = 0x%X", ulFlags);
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return 0;
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}
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pAData->stMCIMixSetup.pmixRead( pAData->stMCIMixSetup.ulMixHandle, pBuffer,
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1 );
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pAData->stMCIMixSetup.pmixRead(pAData->stMCIMixSetup.ulMixHandle, pBuffer, 1);
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ulRC = DosPostEventSem( pAData->hevBuf );
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if ( ( ulRC != NO_ERROR ) && ( ulRC != ERROR_ALREADY_POSTED ) )
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debug( "DosPostEventSem(), rc = %u", ulRC );
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ulRC = DosPostEventSem(pAData->hevBuf);
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if (ulRC != NO_ERROR && ulRC != ERROR_ALREADY_POSTED) {
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debug_os2("DosPostEventSem(), rc = %u", ulRC);
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}
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return 1;
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return 1;
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}
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static void OS2_DetectDevices(void)
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{
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MCI_SYSINFO_PARMS stMCISysInfo;
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CHAR acBuf[256];
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ULONG ulDevicesNum;
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MCI_SYSINFO_LOGDEVICE stLogDevice;
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MCI_SYSINFO_PARMS stSysInfoParams;
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ULONG ulRC;
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ULONG ulHandle = 0;
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MCI_SYSINFO_PARMS stMCISysInfo;
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CHAR acBuf[256];
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ULONG ulDevicesNum;
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MCI_SYSINFO_LOGDEVICE stLogDevice;
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MCI_SYSINFO_PARMS stSysInfoParams;
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ULONG ulRC;
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ULONG ulHandle = 0;
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acBuf[0] = '\0';
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stMCISysInfo.pszReturn = acBuf;
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stMCISysInfo.ulRetSize = sizeof(acBuf);
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stMCISysInfo.usDeviceType = MCI_DEVTYPE_AUDIO_AMPMIX;
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ulRC = mciSendCommand( 0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_QUANTITY,
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&stMCISysInfo, 0 );
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if ( ulRC != NO_ERROR )
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{
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debug( "MCI_SYSINFO, MCI_SYSINFO_QUANTITY - failed, rc = 0x%X", ulRC );
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return;
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}
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ulDevicesNum = atol( stMCISysInfo.pszReturn );
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for( stSysInfoParams.ulNumber = 0; stSysInfoParams.ulNumber < ulDevicesNum;
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stSysInfoParams.ulNumber++ )
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{
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// Get device install name.
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stSysInfoParams.pszReturn = acBuf;
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stSysInfoParams.ulRetSize = sizeof( acBuf );
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stSysInfoParams.usDeviceType = MCI_DEVTYPE_AUDIO_AMPMIX;
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ulRC = mciSendCommand( 0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_INSTALLNAME,
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&stSysInfoParams, 0 );
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if ( ulRC != NO_ERROR )
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{
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debug( "MCI_SYSINFO, MCI_SYSINFO_INSTALLNAME - failed, rc = 0x%X", ulRC );
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continue;
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acBuf[0] = '\0';
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stMCISysInfo.pszReturn = acBuf;
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stMCISysInfo.ulRetSize = sizeof(acBuf);
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stMCISysInfo.usDeviceType = MCI_DEVTYPE_AUDIO_AMPMIX;
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ulRC = mciSendCommand(0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_QUANTITY,
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&stMCISysInfo, 0);
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if (ulRC != NO_ERROR) {
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debug_os2("MCI_SYSINFO, MCI_SYSINFO_QUANTITY - failed, rc = 0x%X", ulRC);
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return;
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}
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// Get textual product description.
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stSysInfoParams.ulItem = MCI_SYSINFO_QUERY_DRIVER;
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stSysInfoParams.pSysInfoParm = &stLogDevice;
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strcpy( stLogDevice.szInstallName, stSysInfoParams.pszReturn );
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ulRC = mciSendCommand( 0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_ITEM,
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&stSysInfoParams, 0 );
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if ( ulRC != NO_ERROR )
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{
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debug( "MCI_SYSINFO, MCI_SYSINFO_ITEM - failed, rc = 0x%X", ulRC );
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continue;
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}
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ulDevicesNum = atol(stMCISysInfo.pszReturn);
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ulHandle++;
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SDL_AddAudioDevice( 0, stLogDevice.szProductInfo, (void *)(ulHandle) );
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ulHandle++;
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SDL_AddAudioDevice( 1, stLogDevice.szProductInfo, (void *)(ulHandle) );
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}
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for (stSysInfoParams.ulNumber = 0; stSysInfoParams.ulNumber < ulDevicesNum;
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stSysInfoParams.ulNumber++) {
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/* Get device install name. */
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stSysInfoParams.pszReturn = acBuf;
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stSysInfoParams.ulRetSize = sizeof(acBuf);
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stSysInfoParams.usDeviceType = MCI_DEVTYPE_AUDIO_AMPMIX;
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ulRC = mciSendCommand(0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_INSTALLNAME,
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&stSysInfoParams, 0);
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if (ulRC != NO_ERROR) {
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debug_os2("MCI_SYSINFO, MCI_SYSINFO_INSTALLNAME - failed, rc = 0x%X", ulRC);
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continue;
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}
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/* Get textual product description. */
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stSysInfoParams.ulItem = MCI_SYSINFO_QUERY_DRIVER;
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stSysInfoParams.pSysInfoParm = &stLogDevice;
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strcpy(stLogDevice.szInstallName, stSysInfoParams.pszReturn);
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ulRC = mciSendCommand(0, MCI_SYSINFO, MCI_WAIT | MCI_SYSINFO_ITEM,
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&stSysInfoParams, 0);
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if (ulRC != NO_ERROR) {
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debug_os2("MCI_SYSINFO, MCI_SYSINFO_ITEM - failed, rc = 0x%X", ulRC);
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continue;
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}
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ulHandle++;
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SDL_AddAudioDevice(0, stLogDevice.szProductInfo, (void *)(ulHandle));
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ulHandle++;
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SDL_AddAudioDevice(1, stLogDevice.szProductInfo, (void *)(ulHandle));
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}
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}
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static void OS2_WaitDevice(_THIS)
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{
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)this->hidden;
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ULONG ulRC;
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)this->hidden;
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ULONG ulRC;
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/* Wait for an audio chunk to finish */
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ulRC = DosWaitEventSem( pAData->hevBuf, 5000 );
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if ( ulRC != NO_ERROR )
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debug( "DosWaitEventSem(), rc = %u", ulRC );
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/* Wait for an audio chunk to finish */
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ulRC = DosWaitEventSem(pAData->hevBuf, 5000);
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if (ulRC != NO_ERROR) {
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debug_os2("DosWaitEventSem(), rc = %u", ulRC);
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}
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}
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static Uint8 *OS2_GetDeviceBuf(_THIS)
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{
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)this->hidden;
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return pAData->aMixBuffers[pAData->ulNextBuf].pBuffer;
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)this->hidden;
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return pAData->aMixBuffers[pAData->ulNextBuf].pBuffer;
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}
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static void OS2_PlayDevice(_THIS)
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{
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)this->hidden;
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ULONG ulRC;
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PMCI_MIX_BUFFER pMixBuffer = &pAData->aMixBuffers[pAData->ulNextBuf];
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)this->hidden;
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ULONG ulRC;
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PMCI_MIX_BUFFER pMixBuffer = &pAData->aMixBuffers[pAData->ulNextBuf];
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/* Queue it up */
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// lockIncr( (int *)&pAData->ulQueuedBuf );
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ulRC = pAData->stMCIMixSetup.pmixWrite( pAData->stMCIMixSetup.ulMixHandle,
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pMixBuffer, 1 );
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if ( ulRC != MCIERR_SUCCESS )
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_mixIOError( "pmixWrite", ulRC );
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else
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pAData->ulNextBuf = (pAData->ulNextBuf + 1) % pAData->cMixBuffers;
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/* Queue it up */
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/*lockIncr((int *)&pAData->ulQueuedBuf);*/
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ulRC = pAData->stMCIMixSetup.pmixWrite(pAData->stMCIMixSetup.ulMixHandle,
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pMixBuffer, 1);
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if (ulRC != MCIERR_SUCCESS) {
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_mixIOError("pmixWrite", ulRC);
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} else {
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pAData->ulNextBuf = (pAData->ulNextBuf + 1) % pAData->cMixBuffers;
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}
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||||
}
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static void OS2_CloseDevice(_THIS)
|
||||
{
|
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PSDL_PrivateAudioData pAData = (PSDL_PrivateAudioData)this->hidden;
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MCI_GENERIC_PARMS sMCIGenericParms;
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ULONG ulRC;
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SDL_PrivateAudioData *pAData = (SDL_PrivateAudioData *)this->hidden;
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MCI_GENERIC_PARMS sMCIGenericParms;
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||||
ULONG ulRC;
|
||||
|
||||
if ( pAData == NULL )
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return;
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if (pAData == NULL)
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return;
|
||||
|
||||
/* Close up audio */
|
||||
if ( pAData->usDeviceId != (USHORT)~0 )
|
||||
{
|
||||
// Device is open.
|
||||
if ( pAData->stMCIMixSetup.ulBitsPerSample != 0 )
|
||||
{
|
||||
// Mixer was initialized.
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_DEINIT,
|
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&pAData->stMCIMixSetup, 0 );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
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debug( "MCI_MIXSETUP, MCI_MIXSETUP_DEINIT - failed" );
|
||||
/* Close up audio */
|
||||
if (pAData->usDeviceId != (USHORT)~0) {
|
||||
/* Device is open. */
|
||||
if (pAData->stMCIMixSetup.ulBitsPerSample != 0) {
|
||||
/* Mixer was initialized. */
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_DEINIT,
|
||||
&pAData->stMCIMixSetup, 0);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
debug_os2("MCI_MIXSETUP, MCI_MIXSETUP_DEINIT - failed");
|
||||
}
|
||||
}
|
||||
|
||||
if (pAData->cMixBuffers != 0) {
|
||||
/* Buffers was allocated. */
|
||||
MCI_BUFFER_PARMS stMCIBuffer;
|
||||
|
||||
stMCIBuffer.ulBufferSize = pAData->aMixBuffers[0].ulBufferLength;
|
||||
stMCIBuffer.ulNumBuffers = pAData->cMixBuffers;
|
||||
stMCIBuffer.pBufList = &pAData->aMixBuffers;
|
||||
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_BUFFER,
|
||||
MCI_WAIT | MCI_DEALLOCATE_MEMORY, &stMCIBuffer, 0);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
debug_os2("MCI_BUFFER, MCI_DEALLOCATE_MEMORY - failed");
|
||||
}
|
||||
}
|
||||
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_CLOSE, MCI_WAIT,
|
||||
&sMCIGenericParms, 0);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
debug_os2("MCI_CLOSE - failed");
|
||||
}
|
||||
}
|
||||
|
||||
if ( pAData->cMixBuffers != 0 )
|
||||
{
|
||||
// Buffers was allocated.
|
||||
MCI_BUFFER_PARMS stMCIBuffer;
|
||||
if (pAData->hevBuf != NULLHANDLE)
|
||||
DosCloseEventSem(pAData->hevBuf);
|
||||
|
||||
stMCIBuffer.ulBufferSize = pAData->aMixBuffers[0].ulBufferLength;
|
||||
stMCIBuffer.ulNumBuffers = pAData->cMixBuffers;
|
||||
stMCIBuffer.pBufList = &pAData->aMixBuffers;
|
||||
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_BUFFER,
|
||||
MCI_WAIT | MCI_DEALLOCATE_MEMORY, &stMCIBuffer, 0 );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
debug( "MCI_BUFFER, MCI_DEALLOCATE_MEMORY - failed" );
|
||||
}
|
||||
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_CLOSE, MCI_WAIT,
|
||||
&sMCIGenericParms, 0 );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
debug( "MCI_CLOSE - failed" );
|
||||
}
|
||||
|
||||
if ( pAData->hevBuf != NULLHANDLE )
|
||||
DosCloseEventSem( pAData->hevBuf );
|
||||
|
||||
SDL_free( pAData );
|
||||
SDL_free(pAData);
|
||||
}
|
||||
|
||||
static int OS2_OpenDevice(_THIS, void *handle, const char *devname,
|
||||
int iscapture)
|
||||
{
|
||||
PSDL_PrivateAudioData pAData;
|
||||
SDL_AudioFormat SDLAudioFmt;
|
||||
MCI_AMP_OPEN_PARMS stMCIAmpOpen;
|
||||
MCI_BUFFER_PARMS stMCIBuffer;
|
||||
ULONG ulRC;
|
||||
ULONG ulIdx;
|
||||
BOOL new_freq;
|
||||
SDL_PrivateAudioData *pAData;
|
||||
SDL_AudioFormat SDLAudioFmt;
|
||||
MCI_AMP_OPEN_PARMS stMCIAmpOpen;
|
||||
MCI_BUFFER_PARMS stMCIBuffer;
|
||||
ULONG ulRC;
|
||||
ULONG ulIdx;
|
||||
BOOL new_freq;
|
||||
|
||||
new_freq = FALSE;
|
||||
SDL_zero(stMCIAmpOpen);
|
||||
SDL_zero(stMCIBuffer);
|
||||
new_freq = FALSE;
|
||||
SDL_zero(stMCIAmpOpen);
|
||||
SDL_zero(stMCIBuffer);
|
||||
|
||||
for( SDLAudioFmt = SDL_FirstAudioFormat( this->spec.format );
|
||||
SDLAudioFmt != 0; SDLAudioFmt = SDL_NextAudioFormat() )
|
||||
{
|
||||
if ( ( SDLAudioFmt == AUDIO_U8 ) || ( SDLAudioFmt == AUDIO_S16 ) )
|
||||
break;
|
||||
}
|
||||
|
||||
if ( SDLAudioFmt == 0 )
|
||||
{
|
||||
debug( "Unsupported audio format, AUDIO_S16 used" );
|
||||
SDLAudioFmt = AUDIO_S16;
|
||||
}
|
||||
|
||||
pAData = SDL_calloc( 1, sizeof(SDL_PrivateAudioData) );
|
||||
if ( pAData == NULL )
|
||||
return SDL_OutOfMemory();
|
||||
this->hidden = pAData;
|
||||
|
||||
ulRC = DosCreateEventSem( NULL, &pAData->hevBuf, DCE_AUTORESET, TRUE );
|
||||
if ( ulRC != NO_ERROR )
|
||||
{
|
||||
debug( "DosCreateEventSem() failed, rc = %u", ulRC );
|
||||
return -1;
|
||||
}
|
||||
|
||||
// Open audio device
|
||||
stMCIAmpOpen.usDeviceID = handle != NULL ? ( ((ULONG)handle) - 1 ) : 0;
|
||||
stMCIAmpOpen.pszDeviceType = (PSZ)MCI_DEVTYPE_AUDIO_AMPMIX;
|
||||
ulRC = mciSendCommand( 0, MCI_OPEN,
|
||||
_getEnvULong( "SDL_AUDIO_SHARE", 1, 0 ) != 0
|
||||
? MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE
|
||||
: MCI_WAIT | MCI_OPEN_TYPE_ID,
|
||||
&stMCIAmpOpen, 0 );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
{
|
||||
stMCIAmpOpen.usDeviceID = (USHORT)~0;
|
||||
return _MCIError( "MCI_OPEN", ulRC );
|
||||
}
|
||||
pAData->usDeviceId = stMCIAmpOpen.usDeviceID;
|
||||
|
||||
if ( iscapture != 0 )
|
||||
{
|
||||
MCI_CONNECTOR_PARMS stMCIConnector;
|
||||
MCI_AMP_SET_PARMS stMCIAmpSet;
|
||||
BOOL fLineIn = _getEnvULong( "SDL_AUDIO_LINEIN", 1, 0 );
|
||||
|
||||
// Set particular connector.
|
||||
SDL_zero(stMCIConnector);
|
||||
stMCIConnector.ulConnectorType = fLineIn ? MCI_LINE_IN_CONNECTOR
|
||||
: MCI_MICROPHONE_CONNECTOR;
|
||||
mciSendCommand( stMCIAmpOpen.usDeviceID, MCI_CONNECTOR,
|
||||
MCI_WAIT | MCI_ENABLE_CONNECTOR |
|
||||
MCI_CONNECTOR_TYPE, &stMCIConnector, 0 );
|
||||
|
||||
// Disable monitor.
|
||||
SDL_zero(stMCIAmpSet);
|
||||
stMCIAmpSet.ulItem = MCI_AMP_SET_MONITOR;
|
||||
mciSendCommand( stMCIAmpOpen.usDeviceID, MCI_SET,
|
||||
MCI_WAIT | MCI_SET_OFF | MCI_SET_ITEM,
|
||||
&stMCIAmpSet, 0 );
|
||||
|
||||
// Set record volume.
|
||||
stMCIAmpSet.ulLevel = _getEnvULong( "SDL_AUDIO_RECVOL", 100, 90 );
|
||||
stMCIAmpSet.ulItem = MCI_AMP_SET_AUDIO;
|
||||
stMCIAmpSet.ulAudio = MCI_SET_AUDIO_ALL; // Both cnannels.
|
||||
stMCIAmpSet.ulValue = fLineIn ? MCI_LINE_IN_CONNECTOR
|
||||
: MCI_MICROPHONE_CONNECTOR ;
|
||||
|
||||
mciSendCommand( stMCIAmpOpen.usDeviceID, MCI_SET,
|
||||
MCI_WAIT | MCI_SET_AUDIO | MCI_AMP_SET_GAIN,
|
||||
&stMCIAmpSet, 0 );
|
||||
}
|
||||
|
||||
this->spec.format = SDLAudioFmt;
|
||||
this->spec.channels = this->spec.channels > 1 ? 2 : 1;
|
||||
if ( this->spec.freq < 8000 )
|
||||
{
|
||||
this->spec.freq = 8000;
|
||||
new_freq = TRUE;
|
||||
}
|
||||
else if ( this->spec.freq > 48000 )
|
||||
{
|
||||
this->spec.freq = 48000;
|
||||
new_freq = TRUE;
|
||||
}
|
||||
|
||||
// Setup mixer.
|
||||
pAData->stMCIMixSetup.ulFormatTag = MCI_WAVE_FORMAT_PCM;
|
||||
pAData->stMCIMixSetup.ulBitsPerSample = SDL_AUDIO_BITSIZE( SDLAudioFmt );
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec = this->spec.freq;
|
||||
pAData->stMCIMixSetup.ulChannels = this->spec.channels;
|
||||
pAData->stMCIMixSetup.ulDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;
|
||||
if ( iscapture == 0 )
|
||||
{
|
||||
pAData->stMCIMixSetup.ulFormatMode = MCI_PLAY;
|
||||
pAData->stMCIMixSetup.pmixEvent = cbAudioWriteEvent;
|
||||
}
|
||||
else
|
||||
{
|
||||
pAData->stMCIMixSetup.ulFormatMode = MCI_RECORD;
|
||||
pAData->stMCIMixSetup.pmixEvent = cbAudioReadEvent;
|
||||
}
|
||||
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_INIT, &pAData->stMCIMixSetup, 0 );
|
||||
if ( ( ulRC != MCIERR_SUCCESS ) && ( this->spec.freq > 44100 ) )
|
||||
{
|
||||
new_freq = TRUE;
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec = 44100;
|
||||
this->spec.freq = 44100;
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_INIT, &pAData->stMCIMixSetup, 0 );
|
||||
}
|
||||
|
||||
debug( "Setup mixer [BPS: %u, Freq.: %u, Channels: %u]: %s",
|
||||
pAData->stMCIMixSetup.ulBitsPerSample,
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec,
|
||||
pAData->stMCIMixSetup.ulChannels,
|
||||
ulRC == MCIERR_SUCCESS ? "SUCCESS" : "FAIL" );
|
||||
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
{
|
||||
pAData->stMCIMixSetup.ulBitsPerSample = 0;
|
||||
return _MCIError( "MCI_MIXSETUP", ulRC );
|
||||
}
|
||||
|
||||
if (this->spec.samples == 0 || new_freq == TRUE) {
|
||||
/* also see SDL_audio.c:prepare_audiospec() */
|
||||
/* Pick a default of ~46 ms at desired frequency */
|
||||
Uint32 samples = (this->spec.freq / 1000) * 46;
|
||||
Uint32 power2 = 1;
|
||||
while (power2 < samples) {
|
||||
power2 <<= 1;
|
||||
for (SDLAudioFmt = SDL_FirstAudioFormat(this->spec.format);
|
||||
SDLAudioFmt != 0; SDLAudioFmt = SDL_NextAudioFormat()) {
|
||||
if (SDLAudioFmt == AUDIO_U8 || SDLAudioFmt == AUDIO_S16)
|
||||
break;
|
||||
}
|
||||
if (SDLAudioFmt == 0) {
|
||||
debug_os2("Unsupported audio format, AUDIO_S16 used");
|
||||
SDLAudioFmt = AUDIO_S16;
|
||||
}
|
||||
this->spec.samples = power2;
|
||||
}
|
||||
/* Update the fragment size as size in bytes */
|
||||
SDL_CalculateAudioSpec( &this->spec );
|
||||
|
||||
// Allocate memory buffers
|
||||
pAData = SDL_calloc(1, sizeof(SDL_PrivateAudioData));
|
||||
if (pAData == NULL)
|
||||
return SDL_OutOfMemory();
|
||||
this->hidden = pAData;
|
||||
|
||||
stMCIBuffer.ulBufferSize = this->spec.size;// (this->spec.freq / 1000) * 100;
|
||||
stMCIBuffer.ulNumBuffers = NUM_BUFFERS;
|
||||
stMCIBuffer.pBufList = &pAData->aMixBuffers;
|
||||
ulRC = DosCreateEventSem(NULL, &pAData->hevBuf, DCE_AUTORESET, TRUE);
|
||||
if (ulRC != NO_ERROR) {
|
||||
debug_os2("DosCreateEventSem() failed, rc = %u", ulRC);
|
||||
return -1;
|
||||
}
|
||||
|
||||
ulRC = mciSendCommand( pAData->usDeviceId, MCI_BUFFER,
|
||||
MCI_WAIT | MCI_ALLOCATE_MEMORY, &stMCIBuffer, 0 );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
{
|
||||
return _MCIError( "MCI_BUFFER", ulRC );
|
||||
}
|
||||
pAData->cMixBuffers = stMCIBuffer.ulNumBuffers;
|
||||
this->spec.size = stMCIBuffer.ulBufferSize;
|
||||
/* Open audio device */
|
||||
stMCIAmpOpen.usDeviceID = (handle != NULL) ? ((ULONG)handle - 1) : 0;
|
||||
stMCIAmpOpen.pszDeviceType = (PSZ)MCI_DEVTYPE_AUDIO_AMPMIX;
|
||||
ulRC = mciSendCommand(0, MCI_OPEN,
|
||||
(_getEnvULong("SDL_AUDIO_SHARE", 1, 0) != 0)?
|
||||
MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE :
|
||||
MCI_WAIT | MCI_OPEN_TYPE_ID,
|
||||
&stMCIAmpOpen, 0);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
stMCIAmpOpen.usDeviceID = (USHORT)~0;
|
||||
return _MCIError("MCI_OPEN", ulRC);
|
||||
}
|
||||
pAData->usDeviceId = stMCIAmpOpen.usDeviceID;
|
||||
|
||||
// Fill all device buffers with data
|
||||
if (iscapture != 0) {
|
||||
MCI_CONNECTOR_PARMS stMCIConnector;
|
||||
MCI_AMP_SET_PARMS stMCIAmpSet;
|
||||
BOOL fLineIn = _getEnvULong("SDL_AUDIO_LINEIN", 1, 0);
|
||||
|
||||
for( ulIdx = 0; ulIdx < stMCIBuffer.ulNumBuffers; ulIdx++ )
|
||||
{
|
||||
pAData->aMixBuffers[ulIdx].ulFlags = 0;
|
||||
pAData->aMixBuffers[ulIdx].ulBufferLength = stMCIBuffer.ulBufferSize;
|
||||
pAData->aMixBuffers[ulIdx].ulUserParm = (ULONG)pAData;
|
||||
/* Set particular connector. */
|
||||
SDL_zero(stMCIConnector);
|
||||
stMCIConnector.ulConnectorType = (fLineIn)? MCI_LINE_IN_CONNECTOR :
|
||||
MCI_MICROPHONE_CONNECTOR;
|
||||
mciSendCommand(stMCIAmpOpen.usDeviceID, MCI_CONNECTOR,
|
||||
MCI_WAIT | MCI_ENABLE_CONNECTOR |
|
||||
MCI_CONNECTOR_TYPE, &stMCIConnector, 0);
|
||||
|
||||
memset( ((PMCI_MIX_BUFFER)stMCIBuffer.pBufList)[ulIdx].pBuffer,
|
||||
this->spec.silence, stMCIBuffer.ulBufferSize );
|
||||
}
|
||||
/* Disable monitor. */
|
||||
SDL_zero(stMCIAmpSet);
|
||||
stMCIAmpSet.ulItem = MCI_AMP_SET_MONITOR;
|
||||
mciSendCommand(stMCIAmpOpen.usDeviceID, MCI_SET,
|
||||
MCI_WAIT | MCI_SET_OFF | MCI_SET_ITEM,
|
||||
&stMCIAmpSet, 0);
|
||||
|
||||
// Write buffers to kick off the amp mixer
|
||||
// pAData->ulQueuedBuf = 1;//stMCIBuffer.ulNumBuffers;
|
||||
ulRC = pAData->stMCIMixSetup.pmixWrite( pAData->stMCIMixSetup.ulMixHandle,
|
||||
&pAData->aMixBuffers,
|
||||
1 );//stMCIBuffer.ulNumBuffers );
|
||||
if ( ulRC != MCIERR_SUCCESS )
|
||||
{
|
||||
_mixIOError( "pmixWrite", ulRC );
|
||||
return -1;
|
||||
}
|
||||
/* Set record volume. */
|
||||
stMCIAmpSet.ulLevel = _getEnvULong("SDL_AUDIO_RECVOL", 100, 90);
|
||||
stMCIAmpSet.ulItem = MCI_AMP_SET_AUDIO;
|
||||
stMCIAmpSet.ulAudio = MCI_SET_AUDIO_ALL; /* Both cnannels. */
|
||||
stMCIAmpSet.ulValue = (fLineIn) ? MCI_LINE_IN_CONNECTOR :
|
||||
MCI_MICROPHONE_CONNECTOR ;
|
||||
|
||||
return 0;
|
||||
mciSendCommand(stMCIAmpOpen.usDeviceID, MCI_SET,
|
||||
MCI_WAIT | MCI_SET_AUDIO | MCI_AMP_SET_GAIN,
|
||||
&stMCIAmpSet, 0);
|
||||
}
|
||||
|
||||
this->spec.format = SDLAudioFmt;
|
||||
this->spec.channels = this->spec.channels > 1 ? 2 : 1;
|
||||
if (this->spec.freq < 8000) {
|
||||
this->spec.freq = 8000;
|
||||
new_freq = TRUE;
|
||||
} else if (this->spec.freq > 48000) {
|
||||
this->spec.freq = 48000;
|
||||
new_freq = TRUE;
|
||||
}
|
||||
|
||||
/* Setup mixer. */
|
||||
pAData->stMCIMixSetup.ulFormatTag = MCI_WAVE_FORMAT_PCM;
|
||||
pAData->stMCIMixSetup.ulBitsPerSample = SDL_AUDIO_BITSIZE(SDLAudioFmt);
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec = this->spec.freq;
|
||||
pAData->stMCIMixSetup.ulChannels = this->spec.channels;
|
||||
pAData->stMCIMixSetup.ulDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;
|
||||
if (iscapture == 0) {
|
||||
pAData->stMCIMixSetup.ulFormatMode= MCI_PLAY;
|
||||
pAData->stMCIMixSetup.pmixEvent = cbAudioWriteEvent;
|
||||
} else {
|
||||
pAData->stMCIMixSetup.ulFormatMode= MCI_RECORD;
|
||||
pAData->stMCIMixSetup.pmixEvent = cbAudioReadEvent;
|
||||
}
|
||||
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_INIT, &pAData->stMCIMixSetup, 0);
|
||||
if (ulRC != MCIERR_SUCCESS && this->spec.freq > 44100) {
|
||||
new_freq = TRUE;
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec = 44100;
|
||||
this->spec.freq = 44100;
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_MIXSETUP,
|
||||
MCI_WAIT | MCI_MIXSETUP_INIT, &pAData->stMCIMixSetup, 0);
|
||||
}
|
||||
|
||||
debug_os2("Setup mixer [BPS: %u, Freq.: %u, Channels: %u]: %s",
|
||||
pAData->stMCIMixSetup.ulBitsPerSample,
|
||||
pAData->stMCIMixSetup.ulSamplesPerSec,
|
||||
pAData->stMCIMixSetup.ulChannels,
|
||||
(ulRC == MCIERR_SUCCESS)? "SUCCESS" : "FAIL");
|
||||
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
pAData->stMCIMixSetup.ulBitsPerSample = 0;
|
||||
return _MCIError("MCI_MIXSETUP", ulRC);
|
||||
}
|
||||
|
||||
if (this->spec.samples == 0 || new_freq == TRUE) {
|
||||
/* also see SDL_audio.c:prepare_audiospec() */
|
||||
/* Pick a default of ~46 ms at desired frequency */
|
||||
Uint32 samples = (this->spec.freq / 1000) * 46;
|
||||
Uint32 power2 = 1;
|
||||
while (power2 < samples) {
|
||||
power2 <<= 1;
|
||||
}
|
||||
this->spec.samples = power2;
|
||||
}
|
||||
/* Update the fragment size as size in bytes */
|
||||
SDL_CalculateAudioSpec(&this->spec);
|
||||
|
||||
/* Allocate memory buffers */
|
||||
stMCIBuffer.ulBufferSize = this->spec.size;/* (this->spec.freq / 1000) * 100 */
|
||||
stMCIBuffer.ulNumBuffers = NUM_BUFFERS;
|
||||
stMCIBuffer.pBufList = &pAData->aMixBuffers;
|
||||
|
||||
ulRC = mciSendCommand(pAData->usDeviceId, MCI_BUFFER,
|
||||
MCI_WAIT | MCI_ALLOCATE_MEMORY, &stMCIBuffer, 0);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
return _MCIError("MCI_BUFFER", ulRC);
|
||||
}
|
||||
pAData->cMixBuffers = stMCIBuffer.ulNumBuffers;
|
||||
this->spec.size = stMCIBuffer.ulBufferSize;
|
||||
|
||||
/* Fill all device buffers with data */
|
||||
for (ulIdx = 0; ulIdx < stMCIBuffer.ulNumBuffers; ulIdx++) {
|
||||
pAData->aMixBuffers[ulIdx].ulFlags = 0;
|
||||
pAData->aMixBuffers[ulIdx].ulBufferLength = stMCIBuffer.ulBufferSize;
|
||||
pAData->aMixBuffers[ulIdx].ulUserParm = (ULONG)pAData;
|
||||
|
||||
memset(((PMCI_MIX_BUFFER)stMCIBuffer.pBufList)[ulIdx].pBuffer,
|
||||
this->spec.silence, stMCIBuffer.ulBufferSize);
|
||||
}
|
||||
|
||||
/* Write buffers to kick off the amp mixer */
|
||||
/*pAData->ulQueuedBuf = 1;//stMCIBuffer.ulNumBuffers;*/
|
||||
ulRC = pAData->stMCIMixSetup.pmixWrite(pAData->stMCIMixSetup.ulMixHandle,
|
||||
&pAData->aMixBuffers,
|
||||
1 /*stMCIBuffer.ulNumBuffers*/);
|
||||
if (ulRC != MCIERR_SUCCESS) {
|
||||
_mixIOError("pmixWrite", ulRC);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int OS2_Init(SDL_AudioDriverImpl * impl)
|
||||
{
|
||||
/* Set the function pointers */
|
||||
impl->DetectDevices = OS2_DetectDevices;
|
||||
impl->OpenDevice = OS2_OpenDevice;
|
||||
impl->PlayDevice = OS2_PlayDevice;
|
||||
impl->WaitDevice = OS2_WaitDevice;
|
||||
impl->GetDeviceBuf = OS2_GetDeviceBuf;
|
||||
impl->CloseDevice = OS2_CloseDevice;
|
||||
/* Set the function pointers */
|
||||
impl->DetectDevices = OS2_DetectDevices;
|
||||
impl->OpenDevice = OS2_OpenDevice;
|
||||
impl->PlayDevice = OS2_PlayDevice;
|
||||
impl->WaitDevice = OS2_WaitDevice;
|
||||
impl->GetDeviceBuf = OS2_GetDeviceBuf;
|
||||
impl->CloseDevice = OS2_CloseDevice;
|
||||
|
||||
// TODO: IMPLEMENT CAPTURE SUPPORT:
|
||||
// impl->CaptureFromDevice = ;
|
||||
// impl->FlushCapture = ;
|
||||
// impl->HasCaptureSupport = SDL_TRUE;
|
||||
|
||||
return 1; /* this audio target is available. */
|
||||
/* TODO: IMPLEMENT CAPTURE SUPPORT:
|
||||
impl->CaptureFromDevice = ;
|
||||
impl->FlushCapture = ;
|
||||
impl->HasCaptureSupport = SDL_TRUE;
|
||||
*/
|
||||
return 1; /* this audio target is available. */
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user