[ros-diffs] [silverblade] 34587: Starting again (existing code backed-up and will be used as a reference for the new re-write).
silverblade at svn.reactos.org
silverblade at svn.reactos.org
Sat Jul 19 13:02:19 CEST 2008
Author: silverblade
Date: Sat Jul 19 06:02:19 2008
New Revision: 34587
URL: http://svn.reactos.org/svn/reactos?rev=34587&view=rev
Log:
Starting again (existing code backed-up and will be used as a reference for
the new re-write).
Removed:
branches/silverblade-audio/lib/drivers/sound/mmebuddy/auxiliary/
branches/silverblade-audio/lib/drivers/sound/mmebuddy/capabilities.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/devices.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/instances.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/kernel.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/midi/
branches/silverblade-audio/lib/drivers/sound/mmebuddy/mixer/
branches/silverblade-audio/lib/drivers/sound/mmebuddy/mme/
branches/silverblade-audio/lib/drivers/sound/mmebuddy/mmebuddy.rbuild
branches/silverblade-audio/lib/drivers/sound/mmebuddy/nt4.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/thread.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/utility.c
branches/silverblade-audio/lib/drivers/sound/mmebuddy/wave/
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/capabilities.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/capabilities.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/capabilities.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/capabilities.c (removed)
@@ -1,109 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/capabilities.c
- *
- * PURPOSE: Queries sound devices for their capabilities.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <mmsystem.h>
-#include <ntddk.h> /* needed for ioctl stuff */
-#include <ntddsnd.h>
-
-#include <mmebuddy.h>
-
-MMRESULT
-GetSoundDeviceCapabilities(
- IN PSOUND_DEVICE SoundDevice,
- OUT PUNIVERSAL_CAPS Capabilities)
-{
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( Capabilities );
-
- return SoundDevice->Functions.GetCapabilities(SoundDevice, Capabilities);
-}
-
-MMRESULT
-DefaultGetSoundDeviceCapabilities(
- IN PSOUND_DEVICE SoundDevice,
- OUT PUNIVERSAL_CAPS Capabilities)
-{
- HANDLE Handle;
- PVOID RawCapsPtr = NULL;
- ULONG CapsSize = 0;
- DWORD Ioctl;
- MMRESULT Result;
- DWORD BytesReturned;
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( Capabilities );
-
- ZeroMemory(Capabilities, sizeof(UNIVERSAL_CAPS));
-
- /* Select appropriate IOCTL and capabilities structure */
- switch ( SoundDevice->DeviceType )
- {
- case WAVE_OUT_DEVICE_TYPE :
- Ioctl = IOCTL_WAVE_GET_CAPABILITIES;
- RawCapsPtr = (PVOID) &Capabilities->WaveOut;
- CapsSize = sizeof(WAVEOUTCAPS);
- break;
-
- case WAVE_IN_DEVICE_TYPE :
- Ioctl = IOCTL_WAVE_GET_CAPABILITIES;
- RawCapsPtr = (PVOID) &Capabilities->WaveIn;
- CapsSize = sizeof(WAVEINCAPS);
- break;
-
- case MIDI_OUT_DEVICE_TYPE :
- Ioctl = IOCTL_MIDI_GET_CAPABILITIES;
- RawCapsPtr = (PVOID) &Capabilities->MidiOut;
- CapsSize = sizeof(MIDIOUTCAPS);
- break;
-
- case MIDI_IN_DEVICE_TYPE :
- Ioctl = IOCTL_MIDI_GET_CAPABILITIES;
- RawCapsPtr = (PVOID) &Capabilities->MidiIn;
- CapsSize = sizeof(MIDIINCAPS);
- break;
-
- case MIXER_DEVICE_TYPE :
- /* TODO */
- /*Ioctl = IOCTL_MIX_GET_CAPABILITIES;*/
- return MMSYSERR_NOTSUPPORTED;
-
- case AUX_DEVICE_TYPE :
- /* TODO */
- Ioctl = IOCTL_AUX_GET_CAPABILITIES;
- return MMSYSERR_NOTSUPPORTED;
-
- default :
- return MMSYSERR_NOTSUPPORTED;
- }
-
- Result = OpenKernelSoundDevice(SoundDevice,
- GENERIC_READ,
- &Handle);
-
- if ( Result != MMSYSERR_NOERROR )
- {
- Result = TranslateInternalMmResult(Result);
- return Result;
- }
-
- /* Call the driver */
- Result = RetrieveFromDeviceHandle(
- Handle,
- Ioctl,
- (LPVOID) RawCapsPtr,
- CapsSize,
- &BytesReturned,
- NULL);
-
- CloseKernelSoundDevice(Handle);
-
- return Result;
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/devices.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/devices.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/devices.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/devices.c (removed)
@@ -1,542 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/devices.c
- *
- * PURPOSE: Manages lists of sound devices.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-/*
- TODO:
- The removal of devices from the list needs to be separated from
- the destruction of the device structure.
-*/
-
-#include <windows.h>
-#include <ntddsnd.h>
-
-#include <mmebuddy.h>
-
-/* Device Lists */
-ULONG SoundDeviceTotals[SOUND_DEVICE_TYPES];
-PSOUND_DEVICE SoundDeviceLists[SOUND_DEVICE_TYPES];
-
-#define DEVICE_TYPE_TO_INDEX(device_type) \
- ( device_type - MIN_SOUND_DEVICE_TYPE )
-
-
-ULONG
-GetSoundDeviceCount(
- IN UCHAR DeviceType)
-{
- ULONG Count;
- TRACE_ENTRY();
-
- if ( ! VALID_SOUND_DEVICE_TYPE(DeviceType) )
- {
- TRACE_EXIT(0);
- return 0;
- }
-
- Count = SoundDeviceTotals[DeviceType - MIN_SOUND_DEVICE_TYPE];
-
- TRACE_EXIT(Count);
- return Count;
-}
-
-
-VOID
-InitSoundDeviceFunctionTable(
- IN PSOUND_DEVICE Device,
- IN PMMFUNCTION_TABLE SourceFunctionTable)
-{
- TRACE_ENTRY();
-
- Device->Functions.Constructor = DefaultInstanceConstructor;
- Device->Functions.Destructor = DefaultInstanceDestructor;
-
- Device->Functions.GetCapabilities = DefaultGetSoundDeviceCapabilities;
-
- /* Wave device specific */
- Device->Functions.QueryWaveFormat = DefaultQueryWaveDeviceFormatSupport;
- Device->Functions.SetWaveFormat = DefaultSetWaveDeviceFormat;
-
- Device->Functions.GetWaveDeviceState = DefaultGetWaveDeviceState;
- Device->Functions.PauseWaveDevice = DefaultPauseWaveDevice;
- Device->Functions.RestartWaveDevice = DefaultRestartWaveDevice;
- Device->Functions.ResetWaveDevice = DefaultResetWaveDevice;
- Device->Functions.BreakWaveDeviceLoop = DefaultBreakWaveDeviceLoop;
-
- if ( ! SourceFunctionTable )
- {
- TRACE_EXIT(0);
- return;
- }
-
- /* If we get here, the function table is being over-ridden */
-
- if ( SourceFunctionTable->Constructor )
- {
- Device->Functions.Constructor =
- SourceFunctionTable->Constructor;
- }
-
- if ( SourceFunctionTable->Destructor )
- {
- Device->Functions.Destructor =
- SourceFunctionTable->Destructor;
- }
-
- if ( SourceFunctionTable->GetCapabilities )
- {
- Device->Functions.GetCapabilities =
- SourceFunctionTable->GetCapabilities;
- }
-
- if ( SourceFunctionTable->QueryWaveFormat )
- {
- Device->Functions.QueryWaveFormat =
- SourceFunctionTable->QueryWaveFormat;
- }
-
- if ( SourceFunctionTable->SetWaveFormat )
- {
- Device->Functions.SetWaveFormat =
- SourceFunctionTable->SetWaveFormat;
- }
-
- if ( SourceFunctionTable->GetWaveDeviceState )
- {
- Device->Functions.GetWaveDeviceState =
- SourceFunctionTable->GetWaveDeviceState;
- }
-
- if ( SourceFunctionTable->PauseWaveDevice )
- {
- Device->Functions.PauseWaveDevice =
- SourceFunctionTable->PauseWaveDevice;
- }
-
- if ( SourceFunctionTable->RestartWaveDevice )
- {
- Device->Functions.RestartWaveDevice =
- SourceFunctionTable->RestartWaveDevice;
- }
-
- if ( SourceFunctionTable->ResetWaveDevice )
- {
- Device->Functions.ResetWaveDevice =
- SourceFunctionTable->ResetWaveDevice;
- }
-
- if ( SourceFunctionTable->BreakWaveDeviceLoop )
- {
- Device->Functions.BreakWaveDeviceLoop =
- SourceFunctionTable->BreakWaveDeviceLoop;
- }
-
- TRACE_EXIT(0);
-}
-
-
-BOOLEAN
-AddSoundDevice(
- IN UCHAR DeviceType,
- IN LPWSTR DevicePath,
- IN PMMFUNCTION_TABLE FunctionTable)
-{
- PSOUND_DEVICE NewDevice;
- UCHAR TypeIndex;
-
- TRACE_ENTRY();
-
- TRACE_("Adding a sound device to list %d\n", DeviceType);
-
- if ( ! VALID_SOUND_DEVICE_TYPE(DeviceType) )
- {
- TRACE_EXIT(FALSE);
- return FALSE;
- }
-
- TypeIndex = DeviceType - MIN_SOUND_DEVICE_TYPE;
-
- NewDevice = AllocateMemoryFor(SOUND_DEVICE);
-/*
- NewDevice = (PSOUND_DEVICE)
- HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SOUND_DEVICE));
-*/
-
- if ( ! NewDevice )
- {
- TRACE_EXIT(FALSE);
- return FALSE;
- }
-
- NewDevice->Next = NULL;
- NewDevice->FirstInstance = NULL;
- NewDevice->DeviceType = DeviceType;
-
- NewDevice->DevicePath = AllocateWideString(wcslen(DevicePath));
-/*
- NewDevice->DevicePath = (LPWSTR)
- HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, DevicePathSize);
-*/
-
- if ( ! NewDevice->DevicePath )
- {
- FreeMemory(NewDevice);
- /*HeapFree(GetProcessHeap(), 0, NewDevice);*/
- TRACE_EXIT(FALSE);
- return FALSE;
- }
-
- CopyWideString(NewDevice->DevicePath, DevicePath);
- /*CopyMemory(NewDevice->DevicePath, DevicePath, DevicePathSize);*/
-
- /* Set up function table */
- InitSoundDeviceFunctionTable(NewDevice, FunctionTable);
-
- /* Start or add to list */
- if ( ! SoundDeviceLists[TypeIndex] )
- {
- TRACE_("Starting device list\n");
- SoundDeviceLists[TypeIndex] = NewDevice;
- }
- else
- {
- PSOUND_DEVICE CurrentDevice = SoundDeviceLists[TypeIndex];
-
- TRACE_("Adding to device list\n");
-
- while ( CurrentDevice != NULL )
- {
- if ( ! CurrentDevice->Next )
- {
- CurrentDevice->Next = NewDevice;
- break;
- }
-
- CurrentDevice = CurrentDevice->Next;
- }
- }
-
- ++ SoundDeviceTotals[TypeIndex];
- TRACE_("Now %d devices of type %d\n", (int) SoundDeviceTotals[TypeIndex], DeviceType);
-
- TRACE_EXIT(TRUE);
- return TRUE;
-}
-
-
-MMRESULT
-RemoveSoundDevice(
- IN PSOUND_DEVICE SoundDevice)
-{
- ULONG TypeIndex;
- BOOLEAN Done = FALSE;
- PSOUND_DEVICE CurrentDevice = NULL;
- PSOUND_DEVICE PreviousDevice = NULL;
-
- /*TRACE_("Removing a sound device from list %d\n", DeviceType);*/
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
-
- TypeIndex = SoundDevice->DeviceType - MIN_SOUND_DEVICE_TYPE;
-
- /* Clean up any instances */
- if ( SoundDevice->FirstInstance != NULL )
- {
- TRACE_("About to destroy all instances of this sound device\n");
- DestroyAllInstancesOfSoundDevice(SoundDevice);
- }
-
- if ( SoundDeviceLists[TypeIndex] == SoundDevice )
- {
- TRACE_("Removing head of list\n");
- SoundDeviceLists[TypeIndex] = SoundDevice->Next;
- Done = TRUE;
- }
- else
- {
- /* Remove from list */
- CurrentDevice = SoundDeviceLists[TypeIndex];
- PreviousDevice = NULL;
-
- TRACE_("Removing from list\n");
-
- while ( CurrentDevice )
- {
- if ( CurrentDevice == SoundDevice )
- {
- ASSERT(PreviousDevice != NULL);
- PreviousDevice->Next = CurrentDevice->Next;
- Done = TRUE;
-
- break;
- }
-
- PreviousDevice = CurrentDevice;
- CurrentDevice = CurrentDevice->Next;
- }
- }
-
- ASSERT(Done);
-
- TRACE_("Freeing path at %p\n", SoundDevice->DevicePath);
- /* Free the memory associated with the device info */
- FreeMemory(SoundDevice->DevicePath);
-
- TRACE_("Freeing struct\n");
- FreeMemory(SoundDevice);
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;;
-}
-
-
-MMRESULT
-RemoveSoundDevices(
- IN UCHAR DeviceType)
-{
- MMRESULT Result;
- PSOUND_DEVICE CurrentDevice;
-
- TRACE_ENTRY();
-
- TRACE_("Emptying device list for device type %d\n", DeviceType);
-
- VALIDATE_MMSYS_PARAMETER( VALID_SOUND_DEVICE_TYPE(DeviceType) );
-
- /*
- Clean out the device list. This works by repeatedly removing the
- first entry.
- */
- while ( (CurrentDevice =
- SoundDeviceLists[DeviceType - MIN_SOUND_DEVICE_TYPE]) )
- {
- Result = RemoveSoundDevice(CurrentDevice);
- ASSERT(Result == MMSYSERR_NOERROR);
- }
-
- /* Reset the list content and item count */
- SoundDeviceLists[DeviceType - MIN_SOUND_DEVICE_TYPE] = NULL;
- SoundDeviceTotals[DeviceType - MIN_SOUND_DEVICE_TYPE] = 0;
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-
-VOID
-RemoveAllSoundDevices()
-{
- ULONG i;
- TRACE_ENTRY();
-
- TRACE_("RemoveAllSoundDevices\n");
-
- for ( i = MIN_SOUND_DEVICE_TYPE; i <= MAX_SOUND_DEVICE_TYPE; ++ i )
- {
- RemoveSoundDevices(i);
- }
-
- TRACE_EXIT(0);
-}
-
-BOOLEAN
-IsValidSoundDevice(
- IN PSOUND_DEVICE SoundDevice)
-{
- UCHAR DeviceType;
- PSOUND_DEVICE CurrentDevice;
-
- /* TRACE_ENTRY(); */
-
- if ( ! SoundDevice )
- {
- TRACE_EXIT(FALSE);
- return FALSE;
- }
-
- for ( DeviceType = MIN_SOUND_DEVICE_TYPE;
- DeviceType <= MAX_SOUND_DEVICE_TYPE;
- ++DeviceType )
- {
- CurrentDevice = SoundDeviceLists[DEVICE_TYPE_TO_INDEX(DeviceType)];
-
- while ( CurrentDevice )
- {
- if ( CurrentDevice == SoundDevice )
- {
- /* TRACE_EXIT(TRUE); */
- return TRUE;
- }
-
- CurrentDevice = CurrentDevice->Next;
- }
- }
-
- /* Not found in list */
- TRACE_EXIT(FALSE);
- return FALSE;
-}
-
-
-MMRESULT
-GetSoundDevice(
- IN UCHAR DeviceType,
- IN ULONG DeviceIndex,
- OUT PSOUND_DEVICE* Device)
-{
- ULONG Count = 0;
- PSOUND_DEVICE CurrentDevice = NULL;
-
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( VALID_SOUND_DEVICE_TYPE(DeviceType) );
- VALIDATE_MMSYS_PARAMETER( Device );
-
- if ( DeviceIndex >= SoundDeviceTotals[DeviceType - MIN_SOUND_DEVICE_TYPE] )
- {
- TRACE_EXIT(MMSYSERR_BADDEVICEID);
- return MMSYSERR_BADDEVICEID;
- }
-
- /*
- We know by now that a device at the index should exist
- so just loop around until we reach that index.
- */
-
- CurrentDevice = SoundDeviceLists[DeviceType - MIN_SOUND_DEVICE_TYPE];
-
- for ( Count = 0; Count <= DeviceIndex; ++ Count )
- {
- *Device = CurrentDevice;
- CurrentDevice = CurrentDevice->Next;
- }
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-
-MMRESULT
-GetSoundDevicePath(
- IN PSOUND_DEVICE SoundDevice,
- OUT LPWSTR* DevicePath)
-{
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( DevicePath );
-
- MessageBox(0, SoundDevice->DevicePath, L"Foo", MB_TASKMODAL | MB_OK);
- *DevicePath = SoundDevice->DevicePath;
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-
-MMRESULT
-GetSoundDeviceType(
- IN PSOUND_DEVICE SoundDevice,
- OUT PUCHAR DeviceType)
-{
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( DeviceType );
-
- *DeviceType = SoundDevice->DeviceType;
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-GetSoundDeviceFunctionTable(
- IN PSOUND_DEVICE SoundDevice,
- OUT PMMFUNCTION_TABLE* FunctionTable)
-{
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( FunctionTable );
-
- *FunctionTable = &SoundDevice->Functions;
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-
-#include <ntddk.h> /* How do I avoid this? */
-
-/* Should these go somewhere else? */
-
-MMRESULT
-DefaultInstanceConstructor(
- IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance)
-{
- PSOUND_DEVICE SoundDevice;
- UCHAR DeviceType;
- DWORD AccessRights = GENERIC_READ;
- MMRESULT Result;
-
- TRACE_ENTRY();
-
- ASSERT(SoundDeviceInstance != NULL);
- GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
- ASSERT(SoundDevice != NULL);
-
- /* If this fails, we have an internal error somewhere */
- Result = GetSoundDeviceType(SoundDevice, &DeviceType);
- ASSERT(Result == MMSYSERR_NOERROR);
- if ( Result != MMSYSERR_NOERROR )
- {
- Result = TranslateInternalMmResult(Result);
- TRACE_EXIT(Result);
- return Result;
- }
-
- if ( DeviceType == WAVE_OUT_DEVICE_TYPE )
- AccessRights |= GENERIC_WRITE;
-
- Result = OpenKernelSoundDevice(SoundDevice,
- AccessRights,
- &SoundDeviceInstance->Handle);
-
- if ( Result != MMSYSERR_NOERROR )
- {
- Result = TranslateInternalMmResult(Result);
- TRACE_EXIT(MMSYSERR_NOERROR);
- return Result;
- }
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-
-VOID
-DefaultInstanceDestructor(
- IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance)
-{
- PSOUND_DEVICE SoundDevice;
- MMRESULT Result;
-
- TRACE_ENTRY();
-
- ASSERT(SoundDeviceInstance);
- GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
- ASSERT(SoundDevice);
-
- Result = CloseKernelSoundDevice(SoundDevice);
- ASSERT(Result == MMSYSERR_NOERROR);
-
- TRACE_EXIT(0);
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/instances.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/instances.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/instances.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/instances.c (removed)
@@ -1,333 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/instances.c
- *
- * PURPOSE: Handles construction/destruction of sound device instances,
- * along with tracking of existing instances.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <ntddsnd.h>
-
-#include <mmebuddy.h>
-
-/*
- Init / New / Delete handlers
-*/
-
-VOID
-InitSoundDeviceInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- /* Initialise */
- SoundDeviceInstance->Next = NULL;
- SoundDeviceInstance->Device = NULL;
- /* TODO: WinMM callback entry */
-}
-
-PSOUND_DEVICE_INSTANCE
-AllocateSoundDeviceInstance()
-{
- PSOUND_DEVICE_INSTANCE ptr;
- ptr = AllocateMemoryFor(SOUND_DEVICE_INSTANCE);
-
- if ( ! ptr )
- return NULL;
-
- InitSoundDeviceInstance(ptr);
-
- return ptr;
-}
-
-VOID
-FreeSoundDeviceInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- FreeMemory(SoundDeviceInstance);
-}
-
-
-/*
- List management
-*/
-
-VOID
-ListSoundDeviceInstance(
- IN PSOUND_DEVICE SoundDevice,
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- MMRESULT Result;
- PSOUND_DEVICE_INSTANCE CurrentInstance = NULL;
-
- TRACE_ENTRY();
-
- ASSERT(SoundDevice != NULL);
- ASSERT(SoundDeviceInstance != NULL);
- ASSERT(SoundDeviceInstance->Device == NULL);
-
- SoundDeviceInstance->Device = SoundDevice;
-
- if ( IS_WAVE_DEVICE_TYPE(SoundDevice->DeviceType) )
- {
- Result = InitWaveStreamData(SoundDeviceInstance);
- ASSERT(Result == MMSYSERR_NOERROR);
- }
- else if ( IS_MIDI_DEVICE_TYPE(SoundDevice->DeviceType) )
- {
- /* TODO ... */
- ASSERT(FALSE);
- }
- else if ( IS_MIXER_DEVICE_TYPE(SoundDevice->DeviceType) )
- {
- /* TODO ... */
- ASSERT(FALSE);
- }
- else if ( IS_AUX_DEVICE_TYPE(SoundDevice->DeviceType) )
- {
- /* TODO ... */
- ASSERT(FALSE);
- }
- else
- {
- /* What kind of device do we have, then?!?! */
- ASSERT(FALSE);
- }
-
- /* Search for an appropriate place in the list to put this instance */
- if ( ! SoundDevice->FirstInstance )
- {
- /* This is going to be the first instance */
- SoundDevice->FirstInstance = SoundDeviceInstance;
- }
- else
- {
- /* There is already one or more instances */
- CurrentInstance = SoundDevice->FirstInstance;
-
- while ( CurrentInstance )
- {
- if ( ! CurrentInstance->Next )
- {
- /* Add to the end and get outta here */
- CurrentInstance->Next = SoundDeviceInstance;
- break;
- }
-
- CurrentInstance = CurrentInstance->Next;
- }
- }
-
- TRACE_EXIT(0);
-}
-
-VOID
-UnlistSoundDeviceInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- PSOUND_DEVICE SoundDevice;
- PSOUND_DEVICE_INSTANCE CurrentInstance;
-
- TRACE_ENTRY();
-
- ASSERT(SoundDeviceInstance != NULL);
- ASSERT(SoundDeviceInstance->Device != NULL);
-
- SoundDevice = SoundDeviceInstance->Device;
-
- if ( SoundDevice->FirstInstance == SoundDeviceInstance )
- {
- /* Removing the first instance */
- SoundDevice->FirstInstance = NULL;
- }
- else
- {
- /* Removing an instance beyond the first */
- CurrentInstance = SoundDevice->FirstInstance;
-
- /* If we hit the end of the list, evidently there's a bug */
- while ( CurrentInstance->Next != SoundDeviceInstance )
- {
- CurrentInstance = CurrentInstance->Next;
- ASSERT(CurrentInstance != NULL);
- }
-
- /* This is actually the one before the one we want to remove */
- CurrentInstance->Next = SoundDeviceInstance->Next;
- }
-
- TRACE_EXIT(0);
-}
-
-
-/*
- Public routines
-*/
-
-MMRESULT
-CreateSoundDeviceInstance(
- IN PSOUND_DEVICE SoundDevice,
- OUT PSOUND_DEVICE_INSTANCE* SoundDeviceInstance)
-{
- PSOUND_DEVICE_INSTANCE CreatedInstance = NULL;
- MMRESULT Result;
-
- TRACE_ENTRY();
-
- TRACE_("Creating instance of PSOUND_DEVICE %p\n", SoundDevice);
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( SoundDeviceInstance );
-
- CreatedInstance = AllocateSoundDeviceInstance();
-
- if ( ! CreatedInstance )
- {
- TRACE_EXIT(MMSYSERR_NOMEM);
- return MMSYSERR_NOMEM;
- }
-
- /* Add the new instance to the device's instance list */
- ListSoundDeviceInstance(SoundDevice, CreatedInstance);
-
- /* Consult the custom construction function */
- Result = SoundDevice->Functions.Constructor(CreatedInstance);
- if ( Result != MMSYSERR_NOERROR )
- {
- ERR_("Custom ctor returned failure - unlisting");
- UnlistSoundDeviceInstance(CreatedInstance);
- TRACE_("Freeing");
- FreeSoundDeviceInstance(CreatedInstance);
- CreatedInstance = NULL;
- //DestroySoundDeviceInstance(CreatedInstance);
-
- Result = TranslateInternalMmResult(Result);
- }
-
- /* Fill the output parameter with this */
- *SoundDeviceInstance = CreatedInstance;
-
- TRACE_EXIT(Result);
-
- return Result;
-}
-
-MMRESULT
-GetSoundDeviceFromInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- OUT PSOUND_DEVICE* SoundDevice)
-{
- ASSERT(SoundDeviceInstance);
- ASSERT(SoundDevice);
-
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
- VALIDATE_MMSYS_PARAMETER( SoundDevice );
-
- *SoundDevice = SoundDeviceInstance->Device;
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-DestroySoundDeviceInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- PSOUND_DEVICE SoundDevice = NULL;
-
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
-
- SoundDevice = SoundDeviceInstance->Device;
-
- /* TODO - Perform cleanup, stop playback etc. */
-
- /* Call the custom destructor */
- SoundDevice->Functions.Destructor(SoundDeviceInstance);
-
- /* Remove the isntance from the device's instance list */
- UnlistSoundDeviceInstance(SoundDeviceInstance);
-
- /* Kill it! */
- FreeSoundDeviceInstance(SoundDeviceInstance);
- /*HeapFree(GetProcessHeap(), 0, Instance);*/
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-DestroyAllInstancesOfSoundDevice(
- IN PSOUND_DEVICE SoundDevice)
-{
- PSOUND_DEVICE_INSTANCE CurrentInstance = NULL;
- MMRESULT Result;
-
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
-
- /* Just munch away at the first item repeatedly */
- while ( (CurrentInstance = SoundDevice->FirstInstance) )
- {
- Result = DestroySoundDeviceInstance(CurrentInstance);
- ASSERT(Result == MMSYSERR_NOERROR);
- }
-
- TRACE_EXIT(MMSYSERR_NOERROR);
- return MMSYSERR_NOERROR;
-}
-
-BOOLEAN
-IsValidSoundDeviceInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
-{
- /* TRACE_ENTRY(); */
-
- if ( ! SoundDeviceInstance )
- {
- TRACE_EXIT(FALSE);
- return FALSE;
- }
-
- /* Now what? */
- return TRUE;
-
- /* TRACE_EXIT(12345678); */
-
- TRACE_EXIT(FALSE);
- return ( FALSE );
-}
-
-MMRESULT
-GetSoundDeviceTypeFromInstance(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- OUT PUCHAR DeviceType)
-{
- MMRESULT Result;
- PSOUND_DEVICE SoundDevice;
-
- TRACE_ENTRY();
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
- VALIDATE_MMSYS_PARAMETER( DeviceType );
-
- Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
-
- if ( Result != MMSYSERR_NOERROR )
- {
- TRACE_EXIT(Result);
- return Result;
- }
-
- Result = GetSoundDeviceType(SoundDevice, DeviceType);
- Result = TranslateInternalMmResult(Result);
-
- TRACE_EXIT(Result);
- return Result;
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/kernel.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/kernel.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/kernel.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/kernel.c (removed)
@@ -1,303 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/kernel.c
- *
- * PURPOSE: Routines assisting with device I/O between user-mode and
- * kernel-mode.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <mmsystem.h>
-#include <ntddsnd.h>
-
-#include <mmebuddy.h>
-
-
-MMRESULT
-OpenKernelSoundDeviceByName(
- PWSTR DeviceName,
- DWORD AccessRights,
- PHANDLE Handle)
-{
- DWORD OpenFlags = 0;
-
- VALIDATE_MMSYS_PARAMETER( Handle );
- VALIDATE_MMSYS_PARAMETER( DeviceName );
-
- if ( AccessRights != GENERIC_READ )
- {
- OpenFlags = FILE_FLAG_OVERLAPPED;
- }
-
- /*TRACE_("Attempting to open '%ws'\n", DeviceName);*/
-
- *Handle = CreateFile(DeviceName,
- AccessRights,
- FILE_SHARE_WRITE,
- NULL,
- OPEN_EXISTING,
- OpenFlags,
- NULL);
-
- if ( *Handle == INVALID_HANDLE_VALUE )
- {
- ERR_("Failed to open\n");
- return Win32ErrorToMmResult(GetLastError());
- }
-
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-OpenKernelSoundDevice(
- PSOUND_DEVICE SoundDevice,
- DWORD AccessRights,
- PHANDLE Handle)
-{
- MMRESULT Result;
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
- VALIDATE_MMSYS_PARAMETER( Handle );
-
- Result = OpenKernelSoundDeviceByName(SoundDevice->DevicePath,
- AccessRights,
- Handle);
-
- Result = TranslateInternalMmResult(Result);
- return Result;
-}
-
-MMRESULT
-CloseKernelSoundDevice(
- HANDLE Handle)
-{
- if ( Handle == INVALID_HANDLE_VALUE )
- return MMSYSERR_INVALPARAM;
-
- CloseHandle(Handle);
-
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-PerformDeviceIo(
- IN HANDLE Handle,
- IN DWORD IoControlCode,
- IN LPVOID InBuffer,
- IN DWORD InBufferSize,
- OUT LPVOID OutBuffer,
- IN DWORD OutBufferSize,
- OUT LPDWORD BytesReturned,
- IN LPOVERLAPPED Overlapped)
-{
- BOOLEAN IoResult = FALSE;
-
- VALIDATE_MMSYS_PARAMETER( Handle != INVALID_HANDLE_VALUE );
-
- /*MessageBox(0, L"Doing IO", L"Info", MB_OK | MB_TASKMODAL);*/
-
- TRACE_("IoCtl on handle %d - in %p (%d), out %p (%d)\n",
- (int) Handle, InBuffer, (int) InBufferSize, OutBuffer,
- (int) OutBufferSize);
-
- IoResult = DeviceIoControl(
- Handle,
- IoControlCode,
- InBuffer,
- InBufferSize,
- OutBuffer,
- OutBufferSize,
- BytesReturned,
- Overlapped);
-
-
- if ( ! IoResult )
- {
- TRACE_("IoCtl result %d\n", (int) GetLastError());
- return Win32ErrorToMmResult(GetLastError());
- }
-
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-RetrieveFromDeviceHandle(
- IN HANDLE Handle,
- IN DWORD IoControlCode,
- OUT LPVOID OutBuffer,
- IN DWORD OutBufferSize,
- OUT LPDWORD BytesReturned,
- IN LPOVERLAPPED Overlapped)
-{
- return PerformDeviceIo(Handle,
- IoControlCode,
- NULL,
- 0,
- OutBuffer,
- OutBufferSize,
- BytesReturned,
- Overlapped);
-}
-
-MMRESULT
-SendToDeviceHandle(
- IN HANDLE Handle,
- IN DWORD IoControlCode,
- IN LPVOID InBuffer,
- IN DWORD InBufferSize,
- OUT LPDWORD BytesReturned,
- IN LPOVERLAPPED Overlapped)
-{
- return PerformDeviceIo(Handle,
- IoControlCode,
- InBuffer,
- InBufferSize,
- NULL,
- 0,
- BytesReturned,
- Overlapped);
-}
-
-MMRESULT
-PerformSoundDeviceIo(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- IN DWORD IoControlCode,
- IN LPVOID InBuffer,
- IN DWORD InBufferSize,
- OUT LPVOID OutBuffer,
- IN DWORD OutBufferSize,
- OUT LPDWORD BytesTransferred)
-{
- /*
- NOTE: This will always do overlapped I/O, which we wait for.
- */
-
- OVERLAPPED Overlapped;
- BOOLEAN IoResult;
- MMRESULT Result;
- DWORD Transferred;
-
- if ( ! IsValidSoundDeviceInstance(SoundDeviceInstance) )
- return MMSYSERR_INVALPARAM;
-
- if ( SoundDeviceInstance->Handle == INVALID_HANDLE_VALUE )
- return MMSYSERR_ERROR;
-
- ZeroMemory(&Overlapped, sizeof(OVERLAPPED));
-
- /* This event is used for announcing the I/O operation completed */
- Overlapped.hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
-
- if ( Overlapped.hEvent == INVALID_HANDLE_VALUE )
- return Win32ErrorToMmResult(GetLastError());
-
- TRACE_("** Overlapped at %p\n", &Overlapped);
-
- Result = PerformDeviceIo(SoundDeviceInstance->Handle,
- IoControlCode,
- InBuffer,
- InBufferSize,
- OutBuffer,
- OutBufferSize,
- NULL,
- &Overlapped);
-
- if ( Result != MMSYSERR_NOERROR )
- {
- return Result;
- }
-
- /* Wait for I/O completion */
- IoResult = GetOverlappedResult(SoundDeviceInstance->Handle,
- &Overlapped,
- &Transferred,
- TRUE);
-
- CloseHandle(Overlapped.hEvent);
-
- if ( ! IoResult )
- {
- return Win32ErrorToMmResult(GetLastError());
- }
-
- if ( BytesTransferred )
- {
- *BytesTransferred = Transferred;
- }
-
- return Result;
-}
-
-MMRESULT
-RetrieveFromSoundDevice(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- IN DWORD IoControlCode,
- OUT LPVOID OutBuffer,
- IN DWORD OutBufferSize,
- OUT LPDWORD BytesReturned)
-{
- return PerformSoundDeviceIo(SoundDeviceInstance,
- IoControlCode,
- NULL,
- 0,
- OutBuffer,
- OutBufferSize,
- BytesReturned);
-}
-
-MMRESULT
-SendToSoundDevice(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- IN DWORD IoControlCode,
- IN LPVOID InBuffer,
- IN DWORD InBufferSize,
- OUT LPDWORD BytesReturned)
-{
- return PerformSoundDeviceIo(SoundDeviceInstance,
- IoControlCode,
- InBuffer,
- InBufferSize,
- NULL,
- 0,
- BytesReturned);
-}
-
-
-/* TODO: move somewhere else */
-MMRESULT
-WriteSoundDeviceBuffer(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- IN LPVOID Buffer,
- IN DWORD BufferSize,
- IN LPOVERLAPPED_COMPLETION_ROUTINE CompletionRoutine,
- IN LPOVERLAPPED Overlapped)
-{
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
- VALIDATE_MMSYS_PARAMETER( Buffer );
- VALIDATE_MMSYS_PARAMETER( BufferSize > 0 );
-
- /*wsprintf(msg, L"Writing to handle %x", SoundDeviceInstance->Device->Handle);*/
- /*SOUND_DEBUG(msg);*/
-
- TRACE_("WriteFileEx(%p, %p, %d, %p, %p)\n",
- SoundDeviceInstance->Handle,
- Buffer,
- (int) BufferSize,
- Overlapped,
- CompletionRoutine);
-
- if ( ! WriteFileEx(SoundDeviceInstance->Handle,
- Buffer,
- BufferSize,
- Overlapped,
- CompletionRoutine) )
- {
- ERR_("WriteFileEx -- Win32 Error %d", (int) GetLastError());
- return Win32ErrorToMmResult(GetLastError());
- }
-
- return MMSYSERR_NOERROR;
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/mmebuddy.rbuild
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/mmebuddy.rbuild?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/mmebuddy.rbuild [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/mmebuddy.rbuild (removed)
@@ -1,33 +1,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE module SYSTEM "../../../../tools/rbuild/project.dtd">
-<module name="mmebuddy" type="staticlibrary" allowwarnings="false" unicode="yes">
- <include base="ReactOS">include/reactos/libs/sound</include>
- <file>kernel.c</file>
- <file>nt4.c</file>
- <file>devices.c</file>
- <file>instances.c</file>
- <file>capabilities.c</file>
- <file>thread.c</file>
- <file>utility.c</file>
- <directory name="mme">
- <file>DriverProc.c</file>
- <file>callback.c</file>
- </directory>
- <directory name="wave">
- <file>wodMessage.c</file>
- <file>widMessage.c</file>
- <file>format.c</file>
- <file>streaming.c</file>
- <file>streamcontrol.c</file>
- </directory>
- <directory name="midi">
- <file>modMessage.c</file>
- <file>midMessage.c</file>
- </directory>
- <directory name="mixer">
- <file>mxdMessage.c</file>
- </directory>
- <directory name="auxiliary">
- <file>auxMessage.c</file>
- </directory>
-</module>
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/nt4.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/nt4.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/nt4.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/nt4.c (removed)
@@ -1,325 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/nt4.c
- *
- * PURPOSE: Assists in locating Windows NT4 compatible sound devices,
- * which mostly use the same device naming convention and/or
- * store their created device names within their service key
- * within the registry.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <mmsystem.h>
-#include <ntddsnd.h>
-
-#include <mmebuddy.h>
-
-/*
- Open the parameters key of a sound driver.
- NT4 only.
-*/
-MMRESULT
-OpenSoundDriverParametersRegKey(
- IN LPWSTR ServiceName,
- OUT PHKEY KeyHandle)
-{
- ULONG KeyLength;
- PWCHAR ParametersKeyName;
-
- VALIDATE_MMSYS_PARAMETER( ServiceName );
- VALIDATE_MMSYS_PARAMETER( KeyHandle );
-
- /* Work out how long the string will be */
- KeyLength = wcslen(REG_SERVICES_KEY_NAME_U) + 1
- + wcslen(ServiceName) + 1
- + wcslen(REG_PARAMETERS_KEY_NAME_U);
-
- /* Allocate memory for the string */
- ParametersKeyName = AllocateWideString(KeyLength);
-
- if ( ! ParametersKeyName )
- return MMSYSERR_NOMEM;
-
- /* Construct the registry path */
- wsprintf(ParametersKeyName,
- L"%s\\%s\\%s",
- REG_SERVICES_KEY_NAME_U,
- ServiceName,
- REG_PARAMETERS_KEY_NAME_U);
-
- MessageBox(0, ParametersKeyName, L"Parameters key is...", MB_OK | MB_TASKMODAL);
-
- /* Perform the open */
- if ( RegOpenKeyEx(HKEY_LOCAL_MACHINE,
- ParametersKeyName,
- 0,
- KEY_READ,
- KeyHandle) != ERROR_SUCCESS )
- {
- /* Couldn't open the key */
- FreeMemory(ParametersKeyName);
- return MMSYSERR_ERROR;
- }
-
- FreeMemory(ParametersKeyName);
-
- return MMSYSERR_NOERROR;
-}
-
-/*
- Open one of the Device sub-keys belonging to the sound driver.
- NT4 only.
-*/
-MMRESULT
-OpenSoundDeviceRegKey(
- IN LPWSTR ServiceName,
- IN DWORD DeviceIndex,
- OUT PHKEY KeyHandle)
-{
- DWORD PathLength;
- PWCHAR RegPath;
-
- VALIDATE_MMSYS_PARAMETER( ServiceName );
- VALIDATE_MMSYS_PARAMETER( KeyHandle );
-
- /*
- Work out the space required to hold the path:
-
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
- sndblst\
- Parameters\
- Device123\
- */
- PathLength = wcslen(REG_SERVICES_KEY_NAME_U) + 1
- + wcslen(ServiceName) + 1
- + wcslen(REG_PARAMETERS_KEY_NAME_U) + 1
- + wcslen(REG_DEVICE_KEY_NAME_U)
- + GetDigitCount(DeviceIndex);
-
- /* Allocate storage for the string */
- RegPath = AllocateWideString(PathLength);
-
- if ( ! RegPath )
- {
- return MMSYSERR_NOMEM;
- }
-
- /* Write the path */
- wsprintf(RegPath,
- L"%ls\\%ls\\%ls\\%ls%d",
- REG_SERVICES_KEY_NAME_U,
- ServiceName,
- REG_PARAMETERS_KEY_NAME_U,
- REG_DEVICE_KEY_NAME_U,
- DeviceIndex);
-
- MessageBox(0, RegPath, L"Opening registry path", MB_OK | MB_TASKMODAL);
-
- /* Perform the open */
- if ( RegOpenKeyEx(HKEY_LOCAL_MACHINE,
- RegPath,
- 0,
- KEY_READ,
- KeyHandle) != ERROR_SUCCESS )
- {
- /* Couldn't open the key */
- FreeMemory(RegPath);
- return MMSYSERR_ERROR;
- }
-
- FreeMemory(RegPath);
-
- return MMSYSERR_NOERROR;
-}
-
-/*
- This is the "nice" way to discover audio devices in NT4 - go into the
- service registry key and enumerate the Parameters\Device*\Devices
- values. The value names represent the device name, whereas the data
- assigned to them identifies the type of device.
-*/
-MMRESULT
-EnumerateNt4ServiceSoundDevices(
- IN LPWSTR ServiceName,
- IN UCHAR DeviceType,
- IN SOUND_DEVICE_DETECTED_PROC SoundDeviceDetectedProc)
-{
- HKEY Key;
- DWORD KeyIndex = 0;
-
- VALIDATE_MMSYS_PARAMETER( ServiceName );
-
- /* Device type zero means "all" */
- VALIDATE_MMSYS_PARAMETER( VALID_SOUND_DEVICE_TYPE(DeviceType) ||
- DeviceType == 0 );
-
- MessageBox(0, ServiceName, L"Looking for devices", MB_OK | MB_TASKMODAL);
-
- while ( OpenSoundDeviceRegKey(ServiceName, KeyIndex, &Key) == MMSYSERR_NOERROR )
- {
- HKEY DevicesKey;
- DWORD ValueType = REG_NONE, ValueIndex = 0;
- DWORD MaxNameLength = 0, ValueNameLength = 0;
- PWSTR DevicePath = NULL, ValueName = NULL;
- DWORD ValueDataLength = sizeof(DWORD);
- DWORD ValueData;
-
- if ( RegOpenKeyEx(Key,
- REG_DEVICES_KEY_NAME_U,
- 0,
- KEY_READ,
- &DevicesKey) == ERROR_SUCCESS )
- {
- /* Find out how much memory is needed for the key name */
- if ( RegQueryInfoKey(DevicesKey,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- &MaxNameLength,
- NULL, NULL, NULL) != ERROR_SUCCESS )
- {
- RegCloseKey(DevicesKey);
- RegCloseKey(Key);
-
- return MMSYSERR_ERROR;
- }
-
- DevicePath = AllocateWideString(MaxNameLength +
- strlen("\\\\.\\"));
-
- /* Check that the memory allocation was successful */
- if ( ! DevicePath )
- {
- /* There's no point in going further */
- RegCloseKey(DevicesKey);
- RegCloseKey(Key);
-
- return MMSYSERR_NOMEM;
- }
-
- /* Insert the device path prefix */
- wsprintf(DevicePath, L"\\\\.\\");
-
- /* The offset of the string following this prefix */
- ValueName = DevicePath + strlen("\\\\.\\");
-
- /* Copy this so that it may be overwritten - include NULL */
- ValueNameLength = MaxNameLength + sizeof(WCHAR);
-
- while ( RegEnumValue(DevicesKey,
- ValueIndex,
- ValueName,
- &ValueNameLength,
- NULL,
- &ValueType,
- (LPBYTE) &ValueData,
- &ValueDataLength) == ERROR_SUCCESS )
- {
- /* Device types are stored as DWORDs */
- if ( ( ValueType == REG_DWORD ) &&
- ( ValueDataLength == sizeof(DWORD) ) )
- {
- if ( ( DeviceType == 0 ) ||
- ( DeviceType == ValueData ) )
- {
- SoundDeviceDetectedProc(
- ValueData,
- DevicePath,
- INVALID_HANDLE_VALUE);
- }
- }
-
- /* Reset variables for the next iteration */
- ValueNameLength = MaxNameLength + sizeof(WCHAR);
- ZeroMemory(ValueName, (MaxNameLength+1)*sizeof(WCHAR));
- /*ZeroWideString(ValueName);*/
- ValueDataLength = sizeof(DWORD);
- ValueData = 0;
- ValueType = REG_NONE;
-
- ++ ValueIndex;
- }
-
- FreeMemory(DevicePath);
-
- RegCloseKey(DevicesKey);
- }
-
- ++ KeyIndex;
-
- RegCloseKey(Key);
- }
-
- return MMSYSERR_NOERROR;
-}
-
-/*
- Brute-force device detection, using a base device name (eg: \\.\WaveOut).
-
- This will add the device number as a suffix to the end of the string and
- attempt to open the device based on that name. On success, it will
- increment the device number and repeat this process.
-
- When it runs out of devices, it will give up.
-*/
-MMRESULT
-DetectNt4SoundDevices(
- IN UCHAR DeviceType,
- IN PWSTR BaseDeviceName,
- IN SOUND_DEVICE_DETECTED_PROC SoundDeviceDetectedProc)
-{
- ULONG DeviceNameLength = 0;
- PWSTR DeviceName = NULL;
- ULONG Index = 0, Count = 0;
- HANDLE DeviceHandle;
- BOOLEAN DoSearch = TRUE;
-
- TRACE_("Detecting NT4 style sound devices of type %d\n", DeviceType);
-
- VALIDATE_MMSYS_PARAMETER( VALID_SOUND_DEVICE_TYPE(DeviceType) );
-
- DeviceNameLength = wcslen(BaseDeviceName);
- /* Consider the length of the number */
- DeviceNameLength += GetDigitCount(Index);
-
- DeviceName = AllocateWideString(DeviceNameLength);
-
- if ( ! DeviceName )
- {
- return MMSYSERR_NOMEM;
- }
-
- while ( DoSearch )
- {
- /* Nothing like a nice clean device name */
- ZeroWideString(DeviceName);
- wsprintf(DeviceName, L"%ls%d", BaseDeviceName, Index);
-
- if ( OpenKernelSoundDeviceByName(DeviceName,
- GENERIC_READ,
- &DeviceHandle) == MMSYSERR_NOERROR )
- {
- //DPRINT("Found device %d\n", Index);
- MessageBox(0, DeviceName, L"Opened device", MB_OK | MB_TASKMODAL);
-
- /* Notify the callback function */
- if ( SoundDeviceDetectedProc(DeviceType, DeviceName, DeviceHandle) )
- {
- ++ Count;
- }
-
- CloseHandle(DeviceHandle);
-
- ++ Index;
- }
- else
- {
- DoSearch = FALSE;
- }
- }
-
- FreeMemory(DeviceName);
-
- return MMSYSERR_NOERROR;
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/thread.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/thread.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/thread.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/thread.c (removed)
@@ -1,395 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/thread.c
- *
- * PURPOSE: Manages a thread to assist with the streaming of sound data.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <mmsystem.h>
-
-#include <mmebuddy.h>
-
-static BOOLEAN ThreadRunning = FALSE;
-static HANDLE SoundThread = INVALID_HANDLE_VALUE;
-static HANDLE ReadyEvent = INVALID_HANDLE_VALUE;
-static HANDLE RequestEvent = INVALID_HANDLE_VALUE;
-static HANDLE DoneEvent = INVALID_HANDLE_VALUE;
-
-static SOUND_THREAD_REQUEST CurrentRequest =
-{
- NULL,
- NULL,
- NULL,
- MMSYSERR_NOERROR
-};
-
-static SOUND_THREAD_COMPLETED_IO* CompletedIoListHead = NULL;
-static SOUND_THREAD_COMPLETED_IO* CompletedIoListTail = NULL;
-
-
-VOID
-CleanupThreadEvents();
-
-VOID CALLBACK
-CompleteSoundThreadIo(
- IN DWORD dwErrorCode,
- IN DWORD dwNumberOfBytesTransferred,
- IN LPOVERLAPPED lpOverlapped)
-{
- PSOUND_THREAD_COMPLETED_IO CompletionData;
- PSOUND_THREAD_OVERLAPPED SoundOverlapped;
-
- TRACE_("** I/O has completed\n");
- TRACE_("** Returned overlapped at %p\n", lpOverlapped);
-
- SoundOverlapped = (PSOUND_THREAD_OVERLAPPED) lpOverlapped;
- ASSERT(SoundOverlapped);
-
- CompletionData = SoundOverlapped->CompletionData;
- ASSERT(CompletionData);
-
- CompletionData->BytesTransferred = dwNumberOfBytesTransferred;
-
- /* Is this the first completion? */
- if ( ! CompletedIoListHead )
- {
- TRACE_("First completion - making new head and tail\n");
- /* This is the first completion */
- ASSERT(! CompletedIoListTail);
-
- CompletionData->Previous = NULL;
- CompletionData->Next = NULL;
-
- CompletedIoListHead = CompletionData;
- CompletedIoListTail = CompletionData;
- }
- else
- {
- TRACE_("Not the first completion - making new tail\n");
- ASSERT(CompletionData);
- /* This is not the first completion */
- CompletionData->Previous = CompletedIoListTail;
- CompletionData->Next = NULL;
-
- /* Completion data gets made the new tail */
- ASSERT(CompletedIoListTail);
- CompletedIoListTail->Next = CompletionData;
- CompletedIoListTail = CompletionData;
- }
-
- /* We keep the completion data, but no longer need this: */
- FreeMemory(SoundOverlapped);
-
- TRACE_("** Leaving completion routine\n");
-}
-
-MMRESULT
-OverlappedSoundDeviceIo(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
- IN PVOID Buffer,
- IN DWORD BufferSize,
- IN SOUND_THREAD_IO_COMPLETION_HANDLER IoCompletionHandler,
- IN PVOID CompletionParameter OPTIONAL)
-{
- PSOUND_THREAD_OVERLAPPED Overlapped;
-
- VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
- VALIDATE_MMSYS_PARAMETER( Buffer );
- VALIDATE_MMSYS_PARAMETER( BufferSize > 0 );
- VALIDATE_MMSYS_PARAMETER( IoCompletionHandler );
-
- /* Allocate memory for the overlapped I/O structure (auto-zeroed) */
- Overlapped = AllocateMemoryFor(SOUND_THREAD_OVERLAPPED);
-
- if ( ! Overlapped )
- return MMSYSERR_NOMEM;
-
- /* We also need memory for the completion data (auto-zeroed) */
- Overlapped->CompletionData = AllocateMemoryFor(SOUND_THREAD_COMPLETED_IO);
-
- if ( ! Overlapped->CompletionData )
- {
- FreeMemory(Overlapped);
- return MMSYSERR_NOMEM;
- }
-
- /* Information to be passed to the completion routine */
- Overlapped->CompletionData->SoundDeviceInstance = SoundDeviceInstance;
- Overlapped->CompletionData->CompletionHandler = IoCompletionHandler;
- Overlapped->CompletionData->Parameter = CompletionParameter;
- Overlapped->CompletionData->BytesTransferred = 0;
-
- TRACE_("Performing overlapped I/O\n");
- return WriteSoundDeviceBuffer(SoundDeviceInstance,
- Buffer,
- BufferSize,
- CompleteSoundThreadIo,
- (LPOVERLAPPED) Overlapped);
-}
-
-MMRESULT
-ProcessThreadExitRequest(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance OPTIONAL,
- IN PVOID Parameter OPTIONAL)
-{
- TRACE_("ProcessThreadExitRequest called\n");
- ThreadRunning = FALSE;
- return MMSYSERR_NOERROR;
-}
-
-DWORD WINAPI
-SoundThreadProc(
- IN LPVOID lpParameter OPTIONAL)
-{
- ThreadRunning = TRUE;
-
- /* We're ready to do work */
- SetEvent(ReadyEvent);
-
- TRACE_("SoundThreadProc entered\n");
-
- while ( ThreadRunning )
- {
- DWORD WaitResult;
-
- /* Wait for a request, or an I/O completion */
- WaitResult = WaitForSingleObjectEx(RequestEvent, INFINITE, TRUE);
- TRACE_("Came out of waiting\n");
-
- if ( WaitResult == WAIT_OBJECT_0 )
- {
- /* Process the request */
-
- TRACE_("Processing request\n");
-
- ASSERT(CurrentRequest.RequestHandler);
- if ( CurrentRequest.RequestHandler )
- {
- TRACE_("Calling function %p\n", CurrentRequest.RequestHandler);
- CurrentRequest.ReturnValue = CurrentRequest.RequestHandler(
- CurrentRequest.SoundDeviceInstance,
- CurrentRequest.Parameter);
- }
- else
- {
- CurrentRequest.ReturnValue = MMSYSERR_ERROR;
- }
-
- /* Announce completion of the request */
- SetEvent(DoneEvent);
- /* Accept new requests */
- SetEvent(ReadyEvent);
- }
- else if ( WaitResult == WAIT_IO_COMPLETION )
- {
- PSOUND_THREAD_COMPLETED_IO CurrentCompletion;
-
- /* Process the I/O Completion */
- TRACE_("Returned from I/O completion APC\n");
-
- CurrentCompletion = CompletedIoListHead;
- ASSERT(CurrentCompletion);
-
- TRACE_("Beginning enumeration of completions\n");
- while ( CurrentCompletion )
- {
- PSOUND_THREAD_COMPLETED_IO PreviousCompletion;
-
- TRACE_("Calling completion handler\n");
- /* Call the completion handler */
- CurrentCompletion->CompletionHandler(
- CurrentCompletion->SoundDeviceInstance,
- CurrentCompletion->Parameter,
- CurrentCompletion->BytesTransferred);
-
- TRACE_("Advancing to next completion\n");
- /* Get the next completion but destroy the previous */
- PreviousCompletion = CurrentCompletion;
- CurrentCompletion = CurrentCompletion->Next;
- /*CompletedIoListHead = CurrentCompletion;*/
-
- FreeMemory(PreviousCompletion);
- }
-
- /* Nothing in the completion queue/list now */
- CompletedIoListHead = NULL;
- CompletedIoListTail = NULL;
- TRACE_("Ended enumeration of completions\n");
- }
- else
- {
- /* Shouldn't happen! */
- ASSERT(FALSE);
- }
- }
-
- TRACE_("THREAD: Exiting\n");
-
- ExitThread(0);
- return 0;
-}
-
-MMRESULT
-CreateThreadEvents()
-{
- ReadyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
-
- if ( ReadyEvent == INVALID_HANDLE_VALUE )
- {
- CleanupThreadEvents();
- return MMSYSERR_NOMEM;
- }
-
- RequestEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
-
- if ( RequestEvent == INVALID_HANDLE_VALUE )
- {
- CleanupThreadEvents();
- return MMSYSERR_NOMEM;
- }
-
- DoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
-
- if ( DoneEvent == INVALID_HANDLE_VALUE )
- {
- CleanupThreadEvents();
- return MMSYSERR_NOMEM;
- }
-
- return MMSYSERR_NOERROR;
-}
-
-VOID
-CleanupThreadEvents()
-{
- if ( ReadyEvent != INVALID_HANDLE_VALUE )
- {
- CloseHandle(ReadyEvent);
- ReadyEvent = INVALID_HANDLE_VALUE;
- }
-
- if ( RequestEvent != INVALID_HANDLE_VALUE )
- {
- CloseHandle(RequestEvent);
- RequestEvent = INVALID_HANDLE_VALUE;
- }
-
- if ( DoneEvent != INVALID_HANDLE_VALUE )
- {
- CloseHandle(DoneEvent);
- DoneEvent = INVALID_HANDLE_VALUE;
- }
-}
-
-MMRESULT
-StartSoundThread()
-{
- MMRESULT Result;
-
- /* Create the thread events */
- Result = CreateThreadEvents();
-
- if ( Result != MMSYSERR_NOERROR )
- {
- return Result;
- }
-
- /* Create the thread */
- SoundThread = CreateThread(NULL,
- 0,
- &SoundThreadProc,
- (LPVOID) NULL, /* Parameter */
- CREATE_SUSPENDED,
- NULL);
-
- if ( SoundThread == INVALID_HANDLE_VALUE )
- {
- CleanupThreadEvents();
- return Win32ErrorToMmResult(GetLastError());
- }
-
- TRACE_("Starting sound thread\n");
-
- /* We're all set to go, so let's start the thread up */
- if ( ResumeThread(SoundThread) == -1 )
- {
- CloseHandle(SoundThread);
- SoundThread = INVALID_HANDLE_VALUE;
- CleanupThreadEvents();
- ERR_("Error %d\n", (int) GetLastError());
- return Win32ErrorToMmResult(GetLastError());
- }
-
- return MMSYSERR_NOERROR;
-}
-
-MMRESULT
-CallUsingSoundThread(
- IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance OPTIONAL,
- IN SOUND_THREAD_REQUEST_HANDLER RequestHandler,
- IN PVOID Parameter OPTIONAL)
-{
- VALIDATE_MMSYS_PARAMETER( RequestHandler );
-
- ASSERT(SoundThread != INVALID_HANDLE_VALUE);
- if ( SoundThread == INVALID_HANDLE_VALUE )
- {
- return MMSYSERR_ERROR;
- }
-
- TRACE_("Waiting for ready event\n");
- /* Wait for the sound thread to be ready for a request */
- WaitForSingleObject(ReadyEvent, INFINITE);
-
- /* Fill in the information about the request */
- CurrentRequest.SoundDeviceInstance = SoundDeviceInstance;
- CurrentRequest.RequestHandler = RequestHandler;
- CurrentRequest.Parameter = Parameter;
- CurrentRequest.ReturnValue = MMSYSERR_ERROR;
-
- /* Tell the sound thread there is a request waiting */
- SetEvent(RequestEvent);
-
- TRACE_("Waiting for done event\n");
- /* Wait for our request to be dealt with */
- WaitForSingleObject(DoneEvent, INFINITE);
-
- return CurrentRequest.ReturnValue;
-}
-
-MMRESULT
-StopSoundThread()
-{
- MMRESULT Result;
-
- ASSERT(SoundThread != INVALID_HANDLE_VALUE);
- if ( SoundThread == INVALID_HANDLE_VALUE )
- {
- return MMSYSERR_ERROR;
- }
-
- TRACE_("Calling thread shutdown function\n");
-
- Result = CallUsingSoundThread(NULL,
- ProcessThreadExitRequest,
- NULL);
-
- /* Our request didn't get processed? */
- ASSERT(Result == MMSYSERR_NOERROR);
- if ( Result != MMSYSERR_NOERROR )
- return Result;
-
- WaitForSingleObject(SoundThread, INFINITE);
-
- TRACE_("Sound thread has quit\n");
-
- /* Clean up */
- CloseHandle(SoundThread);
- CleanupThreadEvents();
-
- return MMSYSERR_NOERROR;
-}
Removed: branches/silverblade-audio/lib/drivers/sound/mmebuddy/utility.c
URL: http://svn.reactos.org/svn/reactos/branches/silverblade-audio/lib/drivers/sound/mmebuddy/utility.c?rev=34586&view=auto
==============================================================================
--- branches/silverblade-audio/lib/drivers/sound/mmebuddy/utility.c [iso-8859-1] (original)
+++ branches/silverblade-audio/lib/drivers/sound/mmebuddy/utility.c (removed)
@@ -1,266 +1,0 @@
-/*
- * PROJECT: ReactOS Sound System "MME Buddy" Library
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: lib/sound/mmebuddy/utility.c
- *
- * PURPOSE: Provides utility functions used by the library.
- *
- * PROGRAMMERS: Andrew Greenwood (silverblade at reactos.org)
-*/
-
-#include <windows.h>
-#include <mmsystem.h>
-
-#include <mmebuddy.h>
-
-/*
- Memory
-*/
-
-static HANDLE ProcessHeapHandle = INVALID_HANDLE_VALUE;
-static DWORD CurrentAllocations = 0;
-
-/* Makes the entry-points safe */
-static HANDLE BigMmLock = NULL;
-
-#if 0
-typedef struct _ALLOCATION
-{
- DWORD Tag;
- DWORD Size;
-} ALLOCATION;
-
-PVOID
-AllocateTaggedMemory(
- IN DWORD Tag,
- IN DWORD Size)
-{
- PVOID Pointer = NULL;
-
- Size += sizeof(ALLOCATION);
-
- if ( ProcessHeapHandle == INVALID_HANDLE_VALUE )
- ProcessHeapHandle = GetProcessHeap();
-
- Pointer = HeapAlloc(ProcessHeapHandle, HEAP_ZERO_MEMORY, Size);
-
- if ( ! Pointer )
- return NULL;
-
- /* Store the tag and size */
- ((ALLOCATION*)Pointer)->Tag = Tag;
- ((ALLOCATION*)Pointer)->Size = Size;
-
- ++ CurrentAllocations;
-
- return ((PCHAR)Pointer) + sizeof(ALLOCATION);
-}
-
-VOID
-FreeTaggedMemory(
- IN DWORD Tag,
- IN PVOID Pointer)
-{
- ALLOCATION* AllocationInfo;
-
- ASSERT(ProcessHeapHandle != INVALID_HANDLE_VALUE);
- ASSERT(Pointer);
-
- AllocationInfo = (ALLOCATION*)((PCHAR)Pointer - sizeof(ALLOCATION));
-
- ASSERT( AllocationInfo->Tag == Tag );
-
- ZeroMemory(AllocationInfo, AllocationInfo->Size + sizeof(ALLOCATION));
- HeapFree(ProcessHeapHandle, 0, AllocationInfo);
-
- -- CurrentAllocations;
-}
-#endif
-
-PVOID
-AllocateTaggedMemory(
- IN DWORD Tag,
- IN DWORD Size)
-{
- PVOID Pointer = NULL;
-
- if ( ProcessHeapHandle == INVALID_HANDLE_VALUE )
- ProcessHeapHandle = GetProcessHeap();
-
- Pointer = HeapAlloc(ProcessHeapHandle, HEAP_ZERO_MEMORY, Size);
-
- if ( ! Pointer )
- return NULL;
-
- ++ CurrentAllocations;
-
- return Pointer;
-}
-
-VOID
-FreeTaggedMemory(
- IN DWORD Tag,
- IN PVOID Pointer)
-{
- ASSERT(ProcessHeapHandle != INVALID_HANDLE_VALUE);
- ASSERT(Pointer);
-
- HeapFree(ProcessHeapHandle, 0, Pointer);
-
- -- CurrentAllocations;
-}
-
-DWORD
-GetMemoryAllocations()
-{
- return CurrentAllocations;
-}
-
-
-/*
- Other
-*/
-
-ULONG
-GetDigitCount(
- ULONG Number)
-{
- ULONG Value = Number;
- ULONG Digits = 1;
-
- while ( Value > 9 )
- {
- Value /= 10;
- ++ Digits;
- }
-
- return Digits;
-}
-
-
-
-/*
- Result codes
-*/
-
-MMRESULT
-Win32ErrorToMmResult(UINT error_code)
-{
- switch ( error_code )
- {
- case NO_ERROR :
- case ERROR_IO_PENDING :
- return MMSYSERR_NOERROR;
-
- case ERROR_BUSY :
- return MMSYSERR_ALLOCATED;
-
- case ERROR_NOT_SUPPORTED :
- case ERROR_INVALID_FUNCTION :
- return MMSYSERR_NOTSUPPORTED;
-
- case ERROR_NOT_ENOUGH_MEMORY :
- return MMSYSERR_NOMEM;
-
- case ERROR_ACCESS_DENIED :
- return MMSYSERR_BADDEVICEID;
-
- case ERROR_INSUFFICIENT_BUFFER :
- return MMSYSERR_INVALPARAM;
- };
-
- /* If all else fails, it's just a plain old error */
-
- return MMSYSERR_ERROR;
-}
-
-/*
- If a function invokes another function, this aids in translating the result
- code so that it is applicable in the context of the original caller. For
- example, specifying that an invalid parameter was passed probably does not
- make much sense if the parameter wasn't passed by the original caller!
-
- However, things like MMSYSERR_NOMEM make sense to return to the caller.
-
- This could potentially highlight internal logic problems.
-*/
-MMRESULT
-TranslateInternalMmResult(MMRESULT Result)
-{
- switch ( Result )
- {
- case MMSYSERR_INVALPARAM :
- case MMSYSERR_INVALFLAG :
- {
- ERR_("MMRESULT from an internal routine failed with error %d\n",
- (int) Result);
-
- return MMSYSERR_ERROR;
- }
- }
-
- return Result;
-}
-
-
-
-/*
- Entrypoint mutex management
-*/
-
-MMRESULT
-InitEntrypointMutex()
-{
- BigMmLock = CreateMutex(NULL, FALSE, NULL);
-
- if ( BigMmLock == NULL )
- {
- return Win32ErrorToMmResult(GetLastError());
- }
-
- return MMSYSERR_NOERROR;
-}
-
-VOID
-CleanupEntrypointMutex()
-{
- if ( BigMmLock )
- {
- CloseHandle(BigMmLock);
- }
-}
-
-VOID
-AcquireEntrypointMutex()
-{
- ASSERT(BigMmLock);
- WaitForSingleObject(BigMmLock, INFINITE);
-}
-
-VOID
-ReleaseEntrypointMutex()
-{
- ASSERT(BigMmLock);
- ReleaseMutex(BigMmLock);
-}
-
-
-/*
- MME Buddy init/cleanup
- NOTE: We don't do thread start/stop here...
-*/
-
-BOOLEAN
-InitMmeBuddyLib()
-{
- if ( InitEntrypointMutex() != MMSYSERR_NOERROR )
- return FALSE;
-
- return TRUE;
-}
-
-VOID
-CleanupMmeBuddyLib()
-{
- ReleaseEntrypointMutex();
-}
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