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93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
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* PROJECT: ReactOS Sound System "MME Buddy" Library
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: lib/drivers/sound/mmebuddy/wave/format.c
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*
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* PURPOSE: Queries and sets wave device format (sample rate, etc.)
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*
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* PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
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*/
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#include <windows.h>
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#include <mmsystem.h>
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#include <mmddk.h>
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#include <ntddsnd.h>
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#include <sndtypes.h>
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#include <mmebuddy.h>
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MMRESULT
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QueryWaveDeviceFormatSupport(
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IN PSOUND_DEVICE SoundDevice,
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IN LPWAVEFORMATEX Format,
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IN DWORD FormatSize)
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{
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MMRESULT Result;
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MMDEVICE_TYPE DeviceType;
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PMMFUNCTION_TABLE FunctionTable;
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SND_TRACE(L"Querying wave format support\n");
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VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
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VALIDATE_MMSYS_PARAMETER( Format );
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VALIDATE_MMSYS_PARAMETER( FormatSize >= sizeof(WAVEFORMATEX) );
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Result = GetSoundDeviceType(SoundDevice, &DeviceType);
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SND_ASSERT( Result == MMSYSERR_NOERROR );
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/* Ensure we have a wave device (TODO: check if this applies to wavein as well) */
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VALIDATE_MMSYS_PARAMETER( IS_WAVE_DEVICE_TYPE(DeviceType) );
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/* Obtain the function table */
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Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
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SND_ASSERT( Result == MMSYSERR_NOERROR );
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if ( ! MMSUCCESS(Result) )
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return TranslateInternalMmResult(Result);
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if ( ! FunctionTable->QueryWaveFormatSupport )
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return MMSYSERR_NOTSUPPORTED;
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return FunctionTable->QueryWaveFormatSupport(SoundDevice, Format, FormatSize);
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}
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MMRESULT
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SetWaveDeviceFormat(
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IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
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IN DWORD DeviceId,
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IN LPWAVEFORMATEX Format,
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IN DWORD FormatSize)
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{
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MMRESULT Result;
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MMDEVICE_TYPE DeviceType;
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PMMFUNCTION_TABLE FunctionTable;
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PSOUND_DEVICE SoundDevice;
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SND_TRACE(L"Setting wave format\n");
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VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
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VALIDATE_MMSYS_PARAMETER( Format );
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VALIDATE_MMSYS_PARAMETER( FormatSize >= sizeof(WAVEFORMATEX) );
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Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
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if ( ! MMSUCCESS(Result) )
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return TranslateInternalMmResult(Result);
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Result = GetSoundDeviceType(SoundDevice, &DeviceType);
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SND_ASSERT( Result == MMSYSERR_NOERROR );
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/* Ensure we have a wave device (TODO: check if this applies to wavein as well) */
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VALIDATE_MMSYS_PARAMETER( IS_WAVE_DEVICE_TYPE(DeviceType) );
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/* Obtain the function table */
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Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
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SND_ASSERT( Result == MMSYSERR_NOERROR );
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if ( ! MMSUCCESS(Result) )
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return TranslateInternalMmResult(Result);
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if ( ! FunctionTable->SetWaveFormat )
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return MMSYSERR_NOTSUPPORTED;
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return FunctionTable->SetWaveFormat(SoundDeviceInstance, DeviceId, Format, FormatSize);
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}
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