reactos/lib/drivers/sound/mmebuddy/wave/header.c

   1 /*
   2  * PROJECT:     ReactOS Sound System "MME Buddy" Library
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        lib/drivers/sound/mmebuddy/header.c
   5  *
   6  * PURPOSE:     Wave header preparation routines
   7  *
   8  * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
   9 */
  10
  11 #include <windows.h>
  12 #include <mmsystem.h>
  13 #include <mmddk.h>
  14 #include <ntddsnd.h>
  15 #include <mmebuddy.h>
  16
  17 MMRESULT
  18 PrepareWaveHeader(
  19     IN  PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
  20     IN  PWAVEHDR Header)
  21 {
  22     MMRESULT Result;
  23     PSOUND_DEVICE SoundDevice;
  24     PMMFUNCTION_TABLE FunctionTable;
  25
  26     VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
  27     VALIDATE_MMSYS_PARAMETER( Header );
  28
  29     SND_TRACE(L"Preparing wave header\n");
  30
  31     Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
  32     if ( ! MMSUCCESS(Result) )
  33         return TranslateInternalMmResult(Result);
  34
  35     Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
  36     if ( ! MMSUCCESS(Result) )
  37         return TranslateInternalMmResult(Result);
  38
  39     if ( ! FunctionTable->PrepareWaveHeader )
  40         return MMSYSERR_NOTSUPPORTED;
  41
  42     return FunctionTable->PrepareWaveHeader(SoundDeviceInstance, Header);
  43 }
  44
  45 MMRESULT
  46 UnprepareWaveHeader(
  47     IN  PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
  48     IN  PWAVEHDR Header)
  49 {
  50     MMRESULT Result;
  51     PSOUND_DEVICE SoundDevice;
  52     PMMFUNCTION_TABLE FunctionTable;
  53
  54     VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
  55     VALIDATE_MMSYS_PARAMETER( Header );
  56
  57     SND_TRACE(L"Un-preparing wave header\n");
  58
  59     Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
  60     if ( ! MMSUCCESS(Result) )
  61         return TranslateInternalMmResult(Result);
  62
  63     Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
  64     if ( ! MMSUCCESS(Result) )
  65         return TranslateInternalMmResult(Result);
  66
  67     if ( ! FunctionTable->UnprepareWaveHeader )
  68         return MMSYSERR_NOTSUPPORTED;
  69
  70     return FunctionTable->UnprepareWaveHeader(SoundDeviceInstance, Header);
  71 }
  72
  73 MMRESULT
  74 SubmitWaveHeader(
  75     IN  PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
  76     IN  PWAVEHDR Header)
  77 {
  78     MMRESULT Result;
  79     PSOUND_DEVICE SoundDevice;
  80     PMMFUNCTION_TABLE FunctionTable;
  81
  82     VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
  83     VALIDATE_MMSYS_PARAMETER( Header );
  84
  85     SND_TRACE(L"Submitting wave header\n");
  86
  87     Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
  88     if ( ! MMSUCCESS(Result) )
  89         return TranslateInternalMmResult(Result);
  90
  91     Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
  92     if ( ! MMSUCCESS(Result) )
  93         return TranslateInternalMmResult(Result);
  94
  95     if ( ! FunctionTable->SubmitWaveHeader )
  96         return MMSYSERR_NOTSUPPORTED;
  97
  98     return FunctionTable->SubmitWaveHeader(SoundDeviceInstance, Header);
  99 }
 100