QueryWaveDeviceFormatSupport

SetWaveDeviceFormat

MMRESULT QueryWaveDeviceFormatSupport	(	IN PSOUND_DEVICE	SoundDevice,
		IN LPWAVEFORMATEX	Format,
		IN DWORD	FormatSize
	)

Definition at line 14 of file format.c.

Referenced by MmeOpenDevice().

{
    MMRESULT Result;
    MMDEVICE_TYPE DeviceType;
    PMMFUNCTION_TABLE FunctionTable;

    SND_TRACE(L"Querying wave format support\n");

    VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
    VALIDATE_MMSYS_PARAMETER( Format );
    VALIDATE_MMSYS_PARAMETER( FormatSize >= sizeof(WAVEFORMATEX) );

    Result = GetSoundDeviceType(SoundDevice, &DeviceType);
    SND_ASSERT( Result == MMSYSERR_NOERROR );

    /* Ensure we have a wave device (TODO: check if this applies to wavein as well) */
    VALIDATE_MMSYS_PARAMETER( IS_WAVE_DEVICE_TYPE(DeviceType) );

    /* Obtain the function table */
    Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
    SND_ASSERT( Result == MMSYSERR_NOERROR );

    if ( ! MMSUCCESS(Result) )
        return TranslateInternalMmResult(Result);

    if ( ! FunctionTable->QueryWaveFormatSupport )
        return MMSYSERR_NOTSUPPORTED;

    return FunctionTable->QueryWaveFormatSupport(SoundDevice, Format, FormatSize);
}

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