📄 wavemain.cpp
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}
else
{
pDeviceContext = g_pHWContext->GetOutputDeviceContext(uDeviceId);
}
dwRet = pDeviceContext->GetExtDevCaps((PVOID)dwParam1,dwParam2);
break;
}
case WODM_OPEN:
{
DEBUGMSG(1, (TEXT("WODM_OPEN\r\n")));
DeviceContext *pDeviceContext = g_pHWContext->GetOutputDeviceContext(uDeviceId);
dwRet = pDeviceContext->OpenStream((LPWAVEOPENDESC)dwParam1, dwParam2, (StreamContext **)dwUser);
break;
}
case WIDM_OPEN:
{
DEBUGMSG(1, (TEXT("WIDM_OPEN\r\n")));
DeviceContext *pDeviceContext = g_pHWContext->GetInputDeviceContext(uDeviceId);
dwRet = pDeviceContext->OpenStream((LPWAVEOPENDESC)dwParam1, dwParam2, (StreamContext **)dwUser);
break;
}
case WODM_CLOSE:
case WIDM_CLOSE:
{
DEBUGMSG(1, (TEXT("WIDM_CLOSE/WODM_CLOSE\r\n")));
dwRet = pStreamContext->Close();
// Release stream context here, rather than inside StreamContext::Close, so that if someone
// (like CMidiStream) has subclassed Close there's no chance that the object will get released
// out from under them.
if (dwRet==MMSYSERR_NOERROR)
{
pStreamContext->Release();
}
break;
}
case WODM_RESTART:
case WIDM_START:
{
DEBUGMSG(1, (TEXT("WIDM_START/WODM_START\r\n")));
dwRet = pStreamContext->Run();
break;
}
case WODM_PAUSE:
case WIDM_STOP:
{
DEBUGMSG(1, (TEXT("WIDM_STOP/WODM_STOP\r\n")));
dwRet = pStreamContext->Stop();
break;
}
case WODM_GETPOS:
case WIDM_GETPOS:
{
DEBUGMSG(1, (TEXT("WIDM_GETPOS/WODM_GETPOS\r\n")));
dwRet = pStreamContext->GetPos((PMMTIME)dwParam1);
break;
}
case WODM_RESET:
case WIDM_RESET:
{
DEBUGMSG(1, (TEXT("WIDM_RESET/WODM_RESET\r\n")));
dwRet = pStreamContext->Reset();
break;
}
case WODM_WRITE:
case WIDM_ADDBUFFER:
{
DEBUGMSG(1, (TEXT("WODM_WRITE/WIDM_ADDBUFFER, Buffer=0x%x\r\n"),dwParam1));
dwRet = pStreamContext->QueueBuffer((LPWAVEHDR)dwParam1);
break;
}
case WODM_GETVOLUME:
{
DEBUGMSG(ZONE_FUNCTION, (TEXT("WODM_GETVOLUME\r\n")));
PULONG pdwGain = (PULONG)dwParam1;
UINT NumDevs = g_pHWContext->GetNumOutputDevices();
if (pStreamContext)
{
*pdwGain = pStreamContext->GetGain();
}
else
{
DeviceContext *pDeviceContext = g_pHWContext->GetOutputDeviceContext(uDeviceId);
*pdwGain = pDeviceContext->GetGain();
}
dwRet = MMSYSERR_NOERROR;
break;
}
case WODM_SETVOLUME:
{
DEBUGMSG(1, (TEXT("WODM_SETVOLUME\r\n")));
UINT NumDevs = g_pHWContext->GetNumOutputDevices();
LONG dwGain = dwParam1;
DEBUGMSG(1, (TEXT("dwGain=0x%x\r\n"), dwGain));
if (pStreamContext)
{
dwRet = pStreamContext->SetGain(dwGain);
}
else
{
DeviceContext *pDeviceContext = g_pHWContext->GetOutputDeviceContext(uDeviceId);
dwRet = pDeviceContext->SetGain(dwGain);
}
break;
}
case WODM_BREAKLOOP:
{
dwRet = pStreamContext->BreakLoop();
break;
}
case WODM_SETPLAYBACKRATE:
{
WaveStreamContext *pWaveStream = (WaveStreamContext *)dwUser;
dwRet = pWaveStream->SetRate(dwParam1);
break;
}
case WODM_GETPLAYBACKRATE:
{
WaveStreamContext *pWaveStream = (WaveStreamContext *)dwUser;
dwRet = pWaveStream->GetRate((DWORD *)dwParam1);
break;
}
case MM_WOM_SETSECONDARYGAINCLASS:
{
dwRet = pStreamContext->SetSecondaryGainClass(dwParam1);
break;
}
case MM_WOM_SETSECONDARYGAINLIMIT:
{
DeviceContext *pDeviceContext;
if (pStreamContext)
{
pDeviceContext = pStreamContext->GetDeviceContext();
}
else
{
pDeviceContext = g_pHWContext->GetOutputDeviceContext(uDeviceId);
}
dwRet = pDeviceContext->SetSecondaryGainLimit(dwParam1,dwParam2);
break;
}
case MM_WOM_FORCESPEAKER:
{
if (pStreamContext)
{
dwRet = pStreamContext->ForceSpeaker((BOOL)dwParam1);
}
else
{
dwRet = g_pHWContext->ForceSpeaker((BOOL)dwParam1);
}
break;
}
case MM_MOM_MIDIMESSAGE:
{
CMidiStream *pMidiStream = (CMidiStream *)dwUser;
dwRet = pMidiStream->MidiMessage(dwParam1);
break;
}
// Disabled - these pose a security risk.
case WPDM_PRIVATE_WRITE_CODEC:
dwRet = g_pHWContext->MsgWriteCodec(dwParam1,dwParam2 );
break;
case WPDM_PRIVATE_READ_CODEC:
dwRet = g_pHWContext->MsgReadCodec( dwParam1,dwParam2 );
break;
case WPDM_PRIVATE_CONFIG_HW_EQ: //To enable/disable HW EQ
case WPDM_PRIVATE_ENABLE_3D: //To enable 3D
case WPDM_PRIVATE_DISABLE_3D: //To disable 3D
case WPDM_PRIVATE_CONFIG_PSEUDO: //To enable/disable Pseudo stereo
case WPDM_PRIVATE_CONFIG_AVC: //To enable/disable Auto Volume Control of inpust stream
dwRet = g_pHWContext->RT_AudioMessage(uMsg,dwParam1,dwParam2);
break;
/* case WPDM_PRIVATE_SETUP_PHONE_PATH:
NKDbgPrintfW(TEXT("call path enable\r\n"));
switch(dwParam1)
{
case RIL_AUDIO_NONE: // (0x00000000)
g_pHWContext->SetCfgNone();
break;
case RIL_AUDIO_HANDSET: // (0x00000001)
g_pHWContext->SetCfgHandSet();
break;
case RIL_AUDIO_SPEAKERPHONE: // (0x00000002)
g_pHWContext->SetCfgSpeakerPhone();
break;
case RIL_AUDIO_HEADSET: // (0x00000003)
g_pHWContext->SetCfgHeadSet();
break;
case RIL_AUDIO_CARKIT: // (0x00000004)
g_pHWContext->SetCfgCarKit();
break;
default:
ASSERT(FALSE);
}
//g_pHWContext->SetupCallPath(dwParam1);
break;*/
/*
case WPDM_PRIVATE_DISABLE_PHONE_PATH:
NKDbgPrintfW(TEXT("call path disable\r\n"));
//g_pHWContext->DisableCallPath(dwParam1);
break;
*/
case WODM_GETPITCH:
case WODM_SETPITCH:
case WODM_PREPARE:
case WODM_UNPREPARE:
case WIDM_PREPARE:
case WIDM_UNPREPARE:
default:
dwRet = MMSYSERR_NOTSUPPORTED;
}
g_pHWContext->Unlock();
// Pass the return code back via pBufOut
if (pdwResult)
{
*pdwResult = dwRet;
}
return TRUE;
}
// -----------------------------------------------------------------------------
//
// @doc WDEV_EXT
//
// @func BOOL | WAV_IOControl | Device IO control routine
//
// @parm DWORD | dwOpenData | Value returned from WAV_Open call
//
// @parm DWORD | dwCode |
// IO control code for the function to be performed. WAV_IOControl only
// supports one IOCTL value (IOCTL_WAV_MESSAGE)
//
// @parm PBYTE | pBufIn |
// Pointer to the input parameter structure (<t MMDRV_MESSAGE_PARAMS>).
//
// @parm DWORD | dwLenIn |
// Size in bytes of input parameter structure (sizeof(<t MMDRV_MESSAGE_PARAMS>)).
//
// @parm PBYTE | pBufOut | Pointer to the return value (DWORD).
//
// @parm DWORD | dwLenOut | Size of the return value variable (sizeof(DWORD)).
//
// @parm PDWORD | pdwActualOut | Unused
//
// @rdesc Returns TRUE for success, FALSE for failure
//
// @xref <t Wave Input Driver Messages> (WIDM_XXX) <nl>
// <t Wave Output Driver Messages> (WODM_XXX)
//
// -----------------------------------------------------------------------------
BOOL WAV_IOControl(
PDWORD pdwOpenData,
DWORD dwCode,
PBYTE pBufIn,
DWORD dwLenIn,
PBYTE pBufOut,
DWORD dwLenOut,
PDWORD pdwActualOut)
{
DWORD dwResult = MMSYSERR_NOERROR;
// ACL needed?
if (GetDirectCallerProcessId() != GetCurrentProcessId())
{
RETAILMSG(ZONE_WARN, (TEXT("WAV_IoControl: User mode calls not allowed.\r\n")));
SetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
// set the error code to be no error first
SetLastError(MMSYSERR_NOERROR);
_try
{
switch (dwCode)
{
case IOCTL_WAV_MESSAGE:
return HandleWaveMessage((PMMDRV_MESSAGE_PARAMS)pBufIn, (DWORD *)pBufOut);
//
// Power Management Support.
//
case IOCTL_POWER_CAPABILITIES:
DEBUGMSG(ZONE_VERBOSE, (TEXT("WAV: IOCTL_POWER_CAPABILITIES\r\n")));
if ( pBufOut == NULL || dwLenOut < sizeof(POWER_CAPABILITIES) )
dwResult = MMSYSERR_INVALPARAM;
else
{
g_pHWContext->GetPowerCapabilities(pBufOut);
*pdwActualOut = sizeof(POWER_CAPABILITIES);
}
break;
case IOCTL_POWER_QUERY:
DEBUGMSG(ZONE_VERBOSE, (TEXT("WAV: IOCTL_POWER_QUERY\r\n")));
if ( pBufOut == NULL || dwLenOut < sizeof(CEDEVICE_POWER_STATE) )
dwResult = MMSYSERR_INVALPARAM;
else
{
PCEDEVICE_POWER_STATE pState = (PCEDEVICE_POWER_STATE) pBufOut;
// Check if hardware handles this power state.
if ( ! g_pHWContext->QueryPowerState(*pState) )
dwResult = MMSYSERR_INVALPARAM;
}
break;
case IOCTL_POWER_SET:
DEBUGMSG(ZONE_VERBOSE, (TEXT("WAV: IOCTL_POWER_SET\r\n")));
if ( pBufOut == NULL || dwLenOut < sizeof(CEDEVICE_POWER_STATE) )
dwResult = MMSYSERR_INVALPARAM;
else
{
PCEDEVICE_POWER_STATE pState = (PCEDEVICE_POWER_STATE) pBufOut;
dwResult = g_pHWContext->SetPowerState(*pState);
if ( dwResult == MMSYSERR_NOERROR )
{
*pState = g_pHWContext->GetPowerState();
*pdwActualOut = sizeof(CEDEVICE_POWER_STATE);
}
else
dwResult = MMSYSERR_INVALPARAM;
}
break;
case IOCTL_POWER_GET:
DEBUGMSG(ZONE_VERBOSE, (TEXT("WAV: IOCTL_POWER_GET\r\n")));
if ( pBufOut == NULL || dwLenOut < sizeof(CEDEVICE_POWER_STATE) )
dwResult = MMSYSERR_INVALPARAM;
else
{
*((PCEDEVICE_POWER_STATE) pBufOut) = g_pHWContext->GetPowerState();
*pdwActualOut = sizeof(CEDEVICE_POWER_STATE);
}
break;
}
}
_except (GetExceptionCode() == STATUS_ACCESS_VIOLATION ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH)
{
RETAILMSG(1, (TEXT("EXCEPTION IN WAV_IOControl!!!!\r\n")));
dwResult = E_FAIL;
}
if (dwResult != MMSYSERR_NOERROR)
{
SetLastError(dwResult);
return FALSE;
}
return TRUE;
}
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