mirror of
https://github.com/reactos/reactos.git
synced 2024-08-04 18:40:59 +00:00
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*
|
|
* PROJECT: ReactOS Sound System "MME Buddy" Library
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* FILE: lib/drivers/sound/mmebuddy/wave/format.c
|
|
*
|
|
* PURPOSE: Queries and sets wave device format (sample rate, etc.)
|
|
*
|
|
* PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
MMRESULT
|
|
QueryWaveDeviceFormatSupport(
|
|
IN PSOUND_DEVICE SoundDevice,
|
|
IN LPWAVEFORMATEX Format,
|
|
IN DWORD FormatSize)
|
|
{
|
|
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);
|
|
}
|
|
|
|
MMRESULT
|
|
SetWaveDeviceFormat(
|
|
IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
|
|
IN DWORD DeviceId,
|
|
IN LPWAVEFORMATEX Format,
|
|
IN DWORD FormatSize)
|
|
{
|
|
MMRESULT Result;
|
|
MMDEVICE_TYPE DeviceType;
|
|
PMMFUNCTION_TABLE FunctionTable;
|
|
PSOUND_DEVICE SoundDevice;
|
|
|
|
SND_TRACE(L"Setting wave format\n");
|
|
|
|
VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
|
|
|
|
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
|
|
if ( ! MMSUCCESS(Result) )
|
|
return TranslateInternalMmResult(Result);
|
|
|
|
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
|
|
SND_ASSERT( Result == MMSYSERR_NOERROR );
|
|
if (DeviceType == WAVE_IN_DEVICE_TYPE || DeviceType == WAVE_OUT_DEVICE_TYPE)
|
|
{
|
|
VALIDATE_MMSYS_PARAMETER( Format );
|
|
VALIDATE_MMSYS_PARAMETER( FormatSize >= sizeof(WAVEFORMATEX) );
|
|
}
|
|
|
|
/* Ensure we have a wave device (TODO: check if this applies to wavein as well) */
|
|
VALIDATE_MMSYS_PARAMETER( IS_WAVE_DEVICE_TYPE(DeviceType) || IS_MIDI_DEVICE_TYPE(DeviceType) || IS_MIXER_DEVICE_TYPE(DeviceType));
|
|
|
|
/* Obtain the function table */
|
|
Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
|
|
SND_ASSERT( Result == MMSYSERR_NOERROR );
|
|
|
|
if ( ! MMSUCCESS(Result) )
|
|
return TranslateInternalMmResult(Result);
|
|
|
|
if ( ! FunctionTable->SetWaveFormat )
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
return FunctionTable->SetWaveFormat(SoundDeviceInstance, DeviceId, Format, FormatSize);
|
|
}
|