int PlatChangeCDDAVolume(int volume)
{
MMRESULT mmres;
unsigned int newVolume;
/* check the cdDeviceId */
if(cdDeviceID==NO_DEVICE) return SOUND_PLATFORMERROR;
/* check the mixer device id */
if(cdAuxDeviceID==NO_DEVICE) return SOUND_PLATFORMERROR;
/* scale and set the new volume */
{
int channelVolume;
channelVolume = VOLUME_CDDA_MINPLAT + WideMulNarrowDiv(volume,
(VOLUME_CDDA_MAXPLAT-VOLUME_CDDA_MINPLAT), (CDDA_VOLUME_MAX-CDDA_VOLUME_MIN));
if(channelVolume < VOLUME_CDDA_MINPLAT) channelVolume = VOLUME_CDDA_MINPLAT;
if(channelVolume > VOLUME_CDDA_MAXPLAT) channelVolume = VOLUME_CDDA_MAXPLAT;
/* set left and right channels (if there is only one channel,
should still work ok)*/
newVolume = channelVolume|(channelVolume<<16);
}
PlatGetCDDAVolumeControl();
mmres = auxSetVolume((UINT)cdAuxDeviceID,(DWORD)newVolume);
if(mmres==MMSYSERR_NOERROR) return 1;
else return SOUND_PLATFORMERROR;
}
bool Win32RedBookDevice::setVolume(F32 volume)
{
if(!mAcquired)
{
setLastError("Device has not been acquired");
return(false);
}
if(!mVolumeInitialized)
{
setLastError("Volume failed to initialize");
return(false);
}
// move into a U32 - left/right U16 volumes
U32 vol = U32(volume * 65536.f);
if(vol > 0xffff)
vol = 0xffff;
if(mUsingMixer)
{
mMixerVolumeValue.dwValue = vol;
mixerSetControlDetails(mVolumeDeviceId, &mMixerVolumeDetails, MIXER_SETCONTROLDETAILSF_VALUE);
}
else
{
vol |= vol << 16;
auxSetVolume(mAuxVolumeDeviceId, vol);
}
setLastError("");
return(true);
}
/*------------------------------------------------------------------------
*
* PROTOTYPE : void DriverSampleSetVolume(float volume)
*
* DESCRIPTION : Master volume controle
*
*/
static void SetVolume(float volume)
{
LPDIRECTSOUNDBUFFER pDS = g_lpPrimaryBuffer;
if (!pDS)
return;
SYS_DXTRACE(pDS->SetVolume(GetVol(volume)));
int v = (int)(volume*255.f);
auxSetVolume(0, v|(v<<8)|(v<<16)|(v<<24));
}
void CDAudio_Shutdown(void)
{
if (!initialized)
return;
if (playing) // Manoel Kasimier
CDAudio_Stop();
if (CD_ID != -1) // Manoel Kasimier
auxSetVolume(CD_ID,CD_OrigVolume); // Manoel Kasimier
if (mciSendCommand(wDeviceID, MCI_CLOSE, MCI_WAIT, (DWORD)NULL))
Con_DPrintf("CDAudio_Shutdown: MCI_CLOSE failed\n");
}
void Win32RedBookDevice::closeVolume()
{
setLastError("");
if(!mVolumeInitialized)
return;
if(mUsingMixer)
{
mMixerVolumeValue.dwValue = mOriginalVolume;
mixerSetControlDetails(mVolumeDeviceId, &mMixerVolumeDetails, MIXER_SETCONTROLDETAILSF_VALUE);
mixerClose((HMIXER)mVolumeDeviceId);
}
else
auxSetVolume(mAuxVolumeDeviceId, mOriginalVolume);
mVolumeInitialized = false;
}
void CD_SetVolume(unsigned long Volume)
{
if (CD_ID != -1)
auxSetVolume(CD_ID,(Volume<<16)+Volume);
}
