PMIXER_LIST MixerList;
MIXER_STATUS Status;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
- // grab mixer list
+ /* grab mixer list */
MixerList = (PMIXER_LIST)MixerContext->MixerContext;
// return number of mixers
MIXER_STATUS Status;
LPMIXER_INFO MixerInfo;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
- // get mixer info
+ /* get mixer info */
MixerInfo = MMixerGetMixerInfoByIndex(MixerContext, MixerIndex);
if (!MixerInfo)
MixerCaps->vDriverVersion = MixerInfo->MixCaps.vDriverVersion;
MixerCaps->fdwSupport = MixerInfo->MixCaps.fdwSupport;
MixerCaps->cDestinations = MixerInfo->MixCaps.cDestinations;
+
+ ASSERT(MixerInfo->MixCaps.szPname[MAXPNAMELEN-1] == 0);
wcscpy(MixerCaps->szPname, MixerInfo->MixCaps.szPname);
return MM_STATUS_SUCCESS;
MMixerOpen(
IN PMIXER_CONTEXT MixerContext,
IN ULONG MixerId,
- IN PVOID MixerEvent,
+ IN PVOID MixerEventContext,
IN PMIXER_EVENT MixerEventRoutine,
OUT PHANDLE MixerHandle)
{
MIXER_STATUS Status;
LPMIXER_INFO MixerInfo;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
+ DPRINT1("invalid context\n");
return Status;
}
+ /* get mixer info */
MixerInfo = (LPMIXER_INFO)MMixerGetMixerInfoByIndex(MixerContext, MixerId);
if (!MixerInfo)
{
- // invalid mixer id
+ /* invalid mixer id */
+ DPRINT1("invalid mixer id %lu\n", MixerId);
return MM_STATUS_INVALID_PARAMETER;
}
- // FIXME
- // handle event notification
-
- Status = MMixerAddEvents(MixerContext, MixerInfo);
+ /* add the event */
+ Status = MMixerAddEvent(MixerContext, MixerInfo, MixerEventContext, MixerEventRoutine);
- // store result
+ /* store result */
*MixerHandle = (HANDLE)MixerInfo;
return MM_STATUS_SUCCESS;
MIXER_STATUS
MMixerGetLineInfo(
IN PMIXER_CONTEXT MixerContext,
- IN HANDLE MixerHandle,
- IN ULONG Flags,
+ IN HANDLE MixerHandle,
+ IN ULONG MixerId,
+ IN ULONG Flags,
OUT LPMIXERLINEW MixerLine)
{
MIXER_STATUS Status;
LPMIXER_INFO MixerInfo;
LPMIXERLINE_EXT MixerLineSrc;
+ ULONG DestinationLineID;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
+ if ((Flags & (MIXER_OBJECTF_MIXER | MIXER_OBJECTF_HMIXER)) == MIXER_OBJECTF_MIXER)
+ {
+ /* caller passed mixer id */
+ MixerHandle = (HANDLE)MMixerGetMixerInfoByIndex(MixerContext, MixerId);
+
+ if (!MixerHandle)
+ {
+ /* invalid parameter */
+ return MM_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ if (MixerLine->cbStruct != sizeof(MIXERLINEW))
+ {
+ DPRINT1("MixerLine Expected %lu but got %lu\n", sizeof(MIXERLINEW), MixerLine->cbStruct);
+ return MM_STATUS_INVALID_PARAMETER;
+ }
- // clear hmixer from flags
+
+ /* clear hmixer from flags */
Flags &=~MIXER_OBJECTF_HMIXER;
+ DPRINT1("MMixerGetLineInfo MixerId %lu Flags %lu\n", MixerId, Flags);
+
if (Flags == MIXER_GETLINEINFOF_DESTINATION)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
- if (MixerLine->dwDestination != 0)
+ /* calculate destination line id */
+ DestinationLineID = (MixerLine->dwDestination + DESTINATION_LINE);
+
+ /* get destination line */
+ MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, DestinationLineID);
+
+ if (MixerLineSrc == NULL)
{
- // destination line member must be zero
- return MM_STATUS_INVALID_PARAMETER;
+ DPRINT1("MixerCaps Name %S DestinationLineCount %lu dwDestination %lu not found\n", MixerInfo->MixCaps.szPname, MixerInfo->MixCaps.cDestinations, MixerLine->dwDestination);
+ return MM_STATUS_UNSUCCESSFUL;
}
-
- MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, DESTINATION_LINE);
- ASSERT(MixerLineSrc);
+ /* copy mixer line */
MixerContext->Copy(MixerLine, &MixerLineSrc->Line, sizeof(MIXERLINEW));
+ /* make sure it is null terminated */
+ MixerLine->szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
+ MixerLine->szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
+ MixerLine->Target.szPname[MAXPNAMELEN-1] = L'\0';
+
+ /* done */
return MM_STATUS_SUCCESS;
}
else if (Flags == MIXER_GETLINEINFOF_SOURCE)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
+ /* calculate destination line id */
+ DestinationLineID = (MixerLine->dwDestination + DESTINATION_LINE);
- MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, DESTINATION_LINE);
- ASSERT(MixerLineSrc);
+ /* get destination line */
+ MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, DestinationLineID);
- if (MixerLine->dwSource >= MixerLineSrc->Line.cConnections)
+ if (MixerLineSrc == NULL)
{
- DPRINT1("dwSource %u > Destinations %u\n", MixerLine->dwSource, MixerLineSrc->Line.cConnections);
-
- // invalid parameter
- return MM_STATUS_INVALID_PARAMETER;
+ DPRINT1("MixerCaps Name %S DestinationLineCount %lu dwDestination %lu not found\n", MixerInfo->MixCaps.szPname, MixerInfo->MixCaps.cDestinations, MixerLine->dwDestination);
+ return MM_STATUS_UNSUCCESSFUL;
}
- MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, MixerLine->dwSource * 0x10000);
- if (MixerLineSrc)
+ /* check if dwSource is out of bounds */
+ if (MixerLine->dwSource >= MixerLineSrc->Line.cConnections)
{
- DPRINT("Line %u Name %S\n", MixerLineSrc->Line.dwSource, MixerLineSrc->Line.szName);
- MixerContext->Copy(MixerLine, &MixerLineSrc->Line, sizeof(MIXERLINEW));
- return MM_STATUS_SUCCESS;
+ DPRINT1("MixerCaps Name %S MixerLineName %S Connections %lu dwSource %lu not found\n", MixerInfo->MixCaps.szPname, MixerLineSrc->Line.szName, MixerLineSrc->Line.cConnections, MixerLine->dwSource);
+ return MM_STATUS_UNSUCCESSFUL;
}
- return MM_STATUS_UNSUCCESSFUL;
+
+ /* calculate destination line id */
+ DestinationLineID = (MixerLine->dwSource * DESTINATION_LINE) + MixerLine->dwDestination;
+
+ /* get target destination line id */
+ MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, DestinationLineID);
+
+ /* sanity check */
+ ASSERT(MixerLineSrc);
+
+ DPRINT("Line %u Name %S\n", MixerLineSrc->Line.dwSource, MixerLineSrc->Line.szName);
+
+ /* copy mixer line */
+ MixerContext->Copy(MixerLine, &MixerLineSrc->Line, sizeof(MIXERLINEW));
+
+ /* make sure it is null terminated */
+ MixerLine->szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
+ MixerLine->szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
+ MixerLine->Target.szPname[MAXPNAMELEN-1] = L'\0';
+
+ /* done */
+ return MM_STATUS_SUCCESS;
}
else if (Flags == MIXER_GETLINEINFOF_LINEID)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
+ /* try to find line */
MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, MixerLine->dwLineID);
if (!MixerLineSrc)
{
- // invalid parameter
+ /* invalid parameter */
+ DPRINT1("MixerName %S Line not found %lu\n", MixerInfo->MixCaps.szPname, MixerLine->dwLineID);
return MM_STATUS_INVALID_PARAMETER;
}
- /* copy cached data */
+ DPRINT("Line %u Name %S\n", MixerLineSrc->Line.dwSource, MixerLineSrc->Line.szName);
+
+ /* copy mixer line*/
MixerContext->Copy(MixerLine, &MixerLineSrc->Line, sizeof(MIXERLINEW));
+
+ /* make sure it is null terminated */
+ MixerLine->szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
+ MixerLine->szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
+ MixerLine->Target.szPname[MAXPNAMELEN-1] = L'\0';
+
return MM_STATUS_SUCCESS;
}
else if (Flags == MIXER_GETLINEINFOF_COMPONENTTYPE)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
+ /* find mixer line by component type */
MixerLineSrc = MMixerGetSourceMixerLineByComponentType(MixerInfo, MixerLine->dwComponentType);
if (!MixerLineSrc)
{
return MM_STATUS_UNSUCCESSFUL;
}
- ASSERT(MixerLineSrc);
-
- /* copy cached data */
+ /* copy mixer line */
MixerContext->Copy(MixerLine, &MixerLineSrc->Line, sizeof(MIXERLINEW));
+
+ /* make sure it is null terminated */
+ MixerLine->szName[MIXER_LONG_NAME_CHARS-1] = L'\0';
+ MixerLine->szShortName[MIXER_SHORT_NAME_CHARS-1] = L'\0';
+ MixerLine->Target.szPname[MAXPNAMELEN-1] = L'\0';
+
+ /* done */
return MM_STATUS_SUCCESS;
}
+ else if (Flags == MIXER_GETLINEINFOF_TARGETTYPE)
+ {
+ DPRINT1("MIXER_GETLINEINFOF_TARGETTYPE handling is unimplemented\n");
+ }
+ else
+ {
+ DPRINT1("Unknown Flags %lx handling is unimplemented\n", Flags);
+ }
return MM_STATUS_NOT_IMPLEMENTED;
}
MMixerGetLineControls(
IN PMIXER_CONTEXT MixerContext,
IN HANDLE MixerHandle,
+ IN ULONG MixerId,
IN ULONG Flags,
OUT LPMIXERLINECONTROLSW MixerLineControls)
{
MIXER_STATUS Status;
ULONG Index;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
+ if ((Flags & (MIXER_OBJECTF_MIXER | MIXER_OBJECTF_HMIXER)) == MIXER_OBJECTF_MIXER)
+ {
+ /* caller passed mixer id */
+ MixerHandle = (HANDLE)MMixerGetMixerInfoByIndex(MixerContext, MixerId);
+
+ if (!MixerHandle)
+ {
+ /* invalid parameter */
+ return MM_STATUS_INVALID_PARAMETER;
+ }
+ }
+
Flags &= ~MIXER_OBJECTF_HMIXER;
if (Flags == MIXER_GETLINECONTROLSF_ALL)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, MixerLineControls->dwLineID);
if (!MixerLineSrc)
{
- // invalid line id
+ /* invalid line id */
return MM_STATUS_INVALID_PARAMETER;
}
- // copy line control(s)
+ /* copy line control(s) */
MixerContext->Copy(MixerLineControls->pamxctrl, MixerLineSrc->LineControls, min(MixerLineSrc->Line.cControls, MixerLineControls->cControls) * sizeof(MIXERCONTROLW));
return MM_STATUS_SUCCESS;
}
else if (Flags == MIXER_GETLINECONTROLSF_ONEBYTYPE)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
MixerLineSrc = MMixerGetSourceMixerLineByLineId(MixerInfo, MixerLineControls->dwLineID);
if (!MixerLineSrc)
{
- // invalid line id
+ /* invalid line id */
return MM_STATUS_INVALID_PARAMETER;
}
DPRINT("dwControlType %x\n", MixerLineSrc->LineControls[Index].dwControlType);
if (MixerLineControls->dwControlType == MixerLineSrc->LineControls[Index].dwControlType)
{
- // found a control with that type
+ /* found a control with that type */
MixerContext->Copy(MixerLineControls->pamxctrl, &MixerLineSrc->LineControls[Index], sizeof(MIXERCONTROLW));
return MM_STATUS_SUCCESS;
}
}
else if (Flags == MIXER_GETLINECONTROLSF_ONEBYID)
{
- // cast to mixer info
+ /* cast to mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
Status = MMixerGetMixerControlById(MixerInfo, MixerLineControls->dwControlID, NULL, &MixerControl, NULL);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid parameter
+ /* invalid parameter */
return MM_STATUS_INVALID_PARAMETER;
}
- // copy the controls
+ /* copy the controls */
MixerContext->Copy(MixerLineControls->pamxctrl, MixerControl, sizeof(MIXERCONTROLW));
return MM_STATUS_SUCCESS;
}
MMixerSetControlDetails(
IN PMIXER_CONTEXT MixerContext,
IN HANDLE MixerHandle,
+ IN ULONG MixerId,
IN ULONG Flags,
OUT LPMIXERCONTROLDETAILS MixerControlDetails)
{
LPMIXERLINE_EXT MixerLine;
LPMIXERCONTROLW MixerControl;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
- // get mixer info
+ if ((Flags & (MIXER_OBJECTF_MIXER | MIXER_OBJECTF_HMIXER)) == MIXER_OBJECTF_MIXER)
+ {
+ /* caller passed mixer id */
+ MixerHandle = (HANDLE)MMixerGetMixerInfoByIndex(MixerContext, MixerId);
+
+ if (!MixerHandle)
+ {
+ /* invalid parameter */
+ return MM_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ /* get mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
- // get mixer control
+ /* get mixer control */
Status = MMixerGetMixerControlById(MixerInfo, MixerControlDetails->dwControlID, &MixerLine, &MixerControl, &NodeId);
- // check for success
+ /* check for success */
if (Status != MM_STATUS_SUCCESS)
{
- // failed to find control id
+ /* failed to find control id */
return MM_STATUS_INVALID_PARAMETER;
}
MMixerGetControlDetails(
IN PMIXER_CONTEXT MixerContext,
IN HANDLE MixerHandle,
+ IN ULONG MixerId,
IN ULONG Flags,
OUT LPMIXERCONTROLDETAILS MixerControlDetails)
{
LPMIXERLINE_EXT MixerLine;
LPMIXERCONTROLW MixerControl;
- // verify mixer context
+ /* verify mixer context */
Status = MMixerVerifyContext(MixerContext);
if (Status != MM_STATUS_SUCCESS)
{
- // invalid context passed
+ /* invalid context passed */
return Status;
}
- // get mixer info
+ if ((Flags & (MIXER_OBJECTF_MIXER | MIXER_OBJECTF_HMIXER)) == MIXER_OBJECTF_MIXER)
+ {
+ /* caller passed mixer id */
+ MixerHandle = (HANDLE)MMixerGetMixerInfoByIndex(MixerContext, MixerId);
+
+ if (!MixerHandle)
+ {
+ /* invalid parameter */
+ return MM_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ /* get mixer info */
MixerInfo = (LPMIXER_INFO)MixerHandle;
- // get mixer control
+ /* get mixer control */
Status = MMixerGetMixerControlById(MixerInfo, MixerControlDetails->dwControlID, &MixerLine, &MixerControl, &NodeId);
- // check for success
+ /* check for success */
if (Status != MM_STATUS_SUCCESS)
{
- // failed to find control id
+ /* failed to find control id */
return MM_STATUS_INVALID_PARAMETER;
}
switch(MixerControl->dwControlType)
{
case MIXERCONTROL_CONTROLTYPE_MUTE:
- Status = MMixerSetGetMuteControlDetails(MixerContext, MixerInfo->hMixer, NodeId, MixerLine->Line.dwLineID, MixerControlDetails, FALSE);
+ Status = MMixerSetGetMuteControlDetails(MixerContext, MixerInfo, NodeId, MixerLine->Line.dwLineID, MixerControlDetails, FALSE);
break;
case MIXERCONTROL_CONTROLTYPE_VOLUME:
- Status = MMixerSetGetVolumeControlDetails(MixerContext, MixerInfo->hMixer, NodeId, FALSE, MixerControl, MixerControlDetails, MixerLine);
+ Status = MMixerSetGetVolumeControlDetails(MixerContext, MixerInfo, NodeId, FALSE, MixerControl, MixerControlDetails, MixerLine);
break;
default:
Status = MM_STATUS_NOT_IMPLEMENTED;
return Status;
}
+VOID
+MMixerPrintMixers(
+ IN PMIXER_CONTEXT MixerContext,
+ IN PMIXER_LIST MixerList)
+{
+ ULONG Index, SubIndex, DestinationLineID;
+ LPMIXER_INFO MixerInfo;
+ LPMIXERLINE_EXT DstMixerLine;
+
+ DPRINT1("MixerList %p\n", MixerList);
+ DPRINT1("MidiInCount %lu\n", MixerList->MidiInListCount);
+ DPRINT1("MidiOutCount %lu\n", MixerList->MidiOutListCount);
+ DPRINT1("WaveInCount %lu\n", MixerList->WaveInListCount);
+ DPRINT1("WaveOutCount %lu\n", MixerList->WaveOutListCount);
+ DPRINT1("MixerCount %p\n", MixerList->MixerListCount);
+
+
+ for(Index = 0; Index < MixerList->MixerListCount; Index++)
+ {
+ /* get mixer info */
+ MixerInfo = MMixerGetMixerInfoByIndex(MixerContext, Index);
+
+ ASSERT(MixerInfo);
+ DPRINT1("\n");
+ DPRINT1("Name :%S\n", MixerInfo->MixCaps.szPname);
+ DPRINT1("cDestinations: %lu\n", MixerInfo->MixCaps.cDestinations);
+ DPRINT1("fdwSupport %lu\n", MixerInfo->MixCaps.fdwSupport);
+ DPRINT1("vDriverVersion %lx\n", MixerInfo->MixCaps.vDriverVersion);
+ DPRINT1("wMid %lx\n", MixerInfo->MixCaps.wMid);
+ DPRINT1("wPid %lx\n", MixerInfo->MixCaps.wPid);
+
+ for(SubIndex = 0; SubIndex < MixerInfo->MixCaps.cDestinations; SubIndex++)
+ {
+ /* calculate destination line id */
+ DestinationLineID = (SubIndex + DESTINATION_LINE);
+
+ /* get destination line */
+ DstMixerLine = MMixerGetSourceMixerLineByLineId(MixerInfo, DestinationLineID);
+ DPRINT1("\n");
+ DPRINT1("cChannels %lu\n", DstMixerLine->Line.cChannels);
+ DPRINT1("cConnections %lu\n", DstMixerLine->Line.cConnections);
+ DPRINT1("cControls %lu\n", DstMixerLine->Line.cControls);
+ DPRINT1("dwComponentType %lx\n", DstMixerLine->Line.dwComponentType);
+ DPRINT1("dwDestination %lu\n", DstMixerLine->Line.dwDestination);
+ DPRINT1("dwLineID %lx\n", DstMixerLine->Line.dwLineID);
+ DPRINT1("dwSource %lx\n", DstMixerLine->Line.dwSource);
+ DPRINT1("dwUser %lu\n", DstMixerLine->Line.dwUser);
+ DPRINT1("fdwLine %lu\n", DstMixerLine->Line.fdwLine);
+ DPRINT1("szName %S\n", DstMixerLine->Line.szName);
+ DPRINT1("szShortName %S\n", DstMixerLine->Line.szShortName);
+ DPRINT1("Target.dwDeviceId %lu\n", DstMixerLine->Line.Target.dwDeviceID);
+ DPRINT1("Target.dwType %lu\n", DstMixerLine->Line.Target.dwType);
+ DPRINT1("Target.szName %S\n", DstMixerLine->Line.Target.szPname);
+ DPRINT1("Target.vDriverVersion %lx\n", DstMixerLine->Line.Target.vDriverVersion);
+ DPRINT1("Target.wMid %lx\n", DstMixerLine->Line.Target.wMid );
+ DPRINT1("Target.wPid %lx\n", DstMixerLine->Line.Target.wPid);
+ }
+ }
+}
+
MIXER_STATUS
MMixerInitialize(
IN PMIXER_CONTEXT MixerContext,
if (!MixerContext || !EnumFunction || !EnumContext)
{
- // invalid parameter
+ /* invalid parameter */
return MM_STATUS_INVALID_PARAMETER;
}
!MixerContext->AllocEventData || !MixerContext->FreeEventData ||
!MixerContext->Close || !MixerContext->OpenKey || !MixerContext->QueryKeyValue || !MixerContext->CloseKey)
{
- // invalid parameter
+ /* invalid parameter */
return MM_STATUS_INVALID_PARAMETER;
}
- // allocate a mixer list
+ /* allocate a mixer list */
MixerList = (PMIXER_LIST)MixerContext->Alloc(sizeof(MIXER_LIST));
if (!MixerList)
{
- // no memory
+ /* no memory */
return MM_STATUS_NO_MEMORY;
}
- //initialize mixer list
+ /* initialize mixer list */
MixerList->MixerListCount = 0;
MixerList->MixerDataCount = 0;
MixerList->WaveInListCount = 0;
MixerList->WaveOutListCount = 0;
+ MixerList->MidiInListCount = 0;
+ MixerList->MidiOutListCount = 0;
InitializeListHead(&MixerList->MixerList);
InitializeListHead(&MixerList->MixerData);
InitializeListHead(&MixerList->WaveInList);
InitializeListHead(&MixerList->WaveOutList);
+ InitializeListHead(&MixerList->MidiInList);
+ InitializeListHead(&MixerList->MidiOutList);
-
- // store mixer list
+ /* store mixer list */
MixerContext->MixerContext = (PVOID)MixerList;
- // start enumerating all available devices
+ /* start enumerating all available devices */
Count = 0;
DeviceIndex = 0;
do
{
- // enumerate a device
+ /* enumerate a device */
Status = EnumFunction(EnumContext, DeviceIndex, &DeviceName, &hMixer, &hKey);
if (Status != MM_STATUS_SUCCESS)
{
- //check error code
+ /* check error code */
if (Status == MM_STATUS_NO_MORE_DEVICES)
{
- // enumeration has finished
+ /* enumeration has finished */
break;
}
+ else
+ {
+ DPRINT1("Failed to enumerate device %lu\n", DeviceIndex);
+
+ /* TODO cleanup */
+ return Status;
+ }
}
else
{
- // create a mixer data entry
+ /* create a mixer data entry */
Status = MMixerCreateMixerData(MixerContext, MixerList, DeviceIndex, DeviceName, hMixer, hKey);
if (Status != MM_STATUS_SUCCESS)
break;
}
- // increment device index
+ /* increment device index */
DeviceIndex++;
}while(TRUE);
- //now all filters have been pre-opened
- // lets enumerate the filters
+ /* now all filters have been pre-opened
+ * lets enumerate the filters
+ */
Entry = MixerList->MixerData.Flink;
while(Entry != &MixerList->MixerData)
{
Entry = Entry->Flink;
}
- // done
+ MMixerPrintMixers(MixerContext, MixerList);
+
+ /* done */
return MM_STATUS_SUCCESS;
}