mirror of
https://github.com/reactos/reactos.git
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60b0afc3af
bdasup: Addendum to40c15ec(r46632). kmixer: Addendum to3e489bf(r42143). mmixer: Addendum toc42d9f2(r44872). stream: Addendum to4a0debf(r41662). Serge plans a follow up that will remove all other remaining YDEBUG in the source tree. The ones covered here he considered to be the most trivial ones.
544 lines
14 KiB
C
544 lines
14 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Kernel Streaming
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* FILE: lib/drivers/sound/mmixer/midi.c
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* PURPOSE: Midi Support Functions
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* PROGRAMMER: Johannes Anderwald
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*/
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#include "precomp.h"
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// #define NDEBUG
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#include <debug.h>
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MIXER_STATUS
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MMixerGetPinDataFlowAndCommunication(
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IN PMIXER_CONTEXT MixerContext,
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IN HANDLE hDevice,
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IN ULONG PinId,
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OUT PKSPIN_DATAFLOW DataFlow,
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OUT PKSPIN_COMMUNICATION Communication)
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{
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KSP_PIN Pin;
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ULONG BytesReturned;
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MIXER_STATUS Status;
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/* setup request */
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Pin.PinId = PinId;
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Pin.Reserved = 0;
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Pin.Property.Flags = KSPROPERTY_TYPE_GET;
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Pin.Property.Id = KSPROPERTY_PIN_DATAFLOW;
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Pin.Property.Set = KSPROPSETID_Pin;
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/* get pin dataflow */
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Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin, sizeof(KSP_PIN), (PVOID)DataFlow, sizeof(KSPIN_DATAFLOW), &BytesReturned);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* failed to retrieve dataflow */
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return Status;
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}
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/* setup communication request */
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Pin.Property.Id = KSPROPERTY_PIN_COMMUNICATION;
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/* get pin communication */
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Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin, sizeof(KSP_PIN), (PVOID)Communication, sizeof(KSPIN_COMMUNICATION), &BytesReturned);
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return Status;
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}
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MIXER_STATUS
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MMixerAddMidiPin(
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IN PMIXER_CONTEXT MixerContext,
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IN PMIXER_LIST MixerList,
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IN ULONG DeviceId,
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IN ULONG PinId,
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IN ULONG bInput,
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IN LPWSTR DeviceName)
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{
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LPMIDI_INFO MidiInfo;
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/* allocate midi info */
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MidiInfo = MixerContext->Alloc(sizeof(MIDI_INFO));
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if (!MidiInfo)
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{
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/* no memory */
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return MM_STATUS_NO_MEMORY;
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}
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/* initialize midi info */
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MidiInfo->DeviceId = DeviceId;
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MidiInfo->PinId = PinId;
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/* sanity check */
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ASSERT(!DeviceName || (wcslen(DeviceName) < MAXPNAMELEN));
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/* copy device name */
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if (bInput && DeviceName)
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{
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wcscpy(MidiInfo->u.InCaps.szPname, DeviceName);
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}
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else if (!bInput && DeviceName)
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{
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wcscpy(MidiInfo->u.OutCaps.szPname, DeviceName);
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}
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/* FIXME determine manufacturer / product id */
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if (bInput)
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{
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MidiInfo->u.InCaps.dwSupport = 0;
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MidiInfo->u.InCaps.wMid = MM_MICROSOFT;
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MidiInfo->u.InCaps.wPid = MM_PID_UNMAPPED;
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MidiInfo->u.InCaps.vDriverVersion = 1;
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}
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else
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{
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MidiInfo->u.OutCaps.dwSupport = 0;
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MidiInfo->u.OutCaps.wMid = MM_MICROSOFT;
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MidiInfo->u.OutCaps.wPid = MM_PID_UNMAPPED;
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MidiInfo->u.OutCaps.vDriverVersion = 1;
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}
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if (bInput)
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{
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/* insert into list */
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InsertTailList(&MixerList->MidiInList, &MidiInfo->Entry);
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MixerList->MidiInListCount++;
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}
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else
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{
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/* insert into list */
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InsertTailList(&MixerList->MidiOutList, &MidiInfo->Entry);
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MixerList->MidiOutListCount++;
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}
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return MM_STATUS_SUCCESS;
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}
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VOID
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MMixerCheckFilterPinMidiSupport(
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IN PMIXER_CONTEXT MixerContext,
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IN PMIXER_LIST MixerList,
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IN LPMIXER_DATA MixerData,
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IN ULONG PinId,
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IN PKSMULTIPLE_ITEM MultipleItem,
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IN LPWSTR szPname)
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{
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ULONG Index;
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PKSDATARANGE DataRange;
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KSPIN_COMMUNICATION Communication;
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KSPIN_DATAFLOW DataFlow;
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/* get first datarange */
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DataRange = (PKSDATARANGE)(MultipleItem + 1);
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/* alignment assert */
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ASSERT(((ULONG_PTR)DataRange & 0x7) == 0);
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/* iterate through all data ranges */
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for(Index = 0; Index < MultipleItem->Count; Index++)
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{
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if (IsEqualGUIDAligned(&DataRange->MajorFormat, &KSDATAFORMAT_TYPE_MUSIC) &&
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IsEqualGUIDAligned(&DataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_MIDI) &&
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IsEqualGUIDAligned(&DataRange->Specifier, &KSDATAFORMAT_SPECIFIER_NONE))
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{
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/* pin supports midi datarange */
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if (MMixerGetPinDataFlowAndCommunication(MixerContext, MixerData->hDevice, PinId, &DataFlow, &Communication) == MM_STATUS_SUCCESS)
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{
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if (DataFlow == KSPIN_DATAFLOW_IN && Communication == KSPIN_COMMUNICATION_SINK)
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{
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MMixerAddMidiPin(MixerContext, MixerList, MixerData->DeviceId, PinId, FALSE, szPname);
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}
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else if (DataFlow == KSPIN_DATAFLOW_OUT && Communication == KSPIN_COMMUNICATION_SOURCE)
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{
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MMixerAddMidiPin(MixerContext, MixerList, MixerData->DeviceId, PinId, TRUE, szPname);
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}
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}
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}
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/* move to next datarange */
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DataRange = (PKSDATARANGE)((ULONG_PTR)DataRange + DataRange->FormatSize);
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/* alignment assert */
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ASSERT(((ULONG_PTR)DataRange & 0x7) == 0);
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/* data ranges are 64-bit aligned */
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DataRange = (PVOID)(((ULONG_PTR)DataRange + 0x7) & ~0x7);
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}
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}
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VOID
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MMixerInitializeMidiForFilter(
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IN PMIXER_CONTEXT MixerContext,
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IN PMIXER_LIST MixerList,
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IN LPMIXER_DATA MixerData,
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IN PTOPOLOGY Topology)
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{
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ULONG PinCount, Index;
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MIXER_STATUS Status;
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PKSMULTIPLE_ITEM MultipleItem;
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WCHAR szPname[MAXPNAMELEN];
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/* get filter pin count */
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MMixerGetTopologyPinCount(Topology, &PinCount);
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/* get mixer name */
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if (MMixerGetDeviceName(MixerContext, szPname, MixerData->hDeviceInterfaceKey) != MM_STATUS_SUCCESS)
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{
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/* clear name */
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szPname[0] = 0;
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}
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/* iterate all pins and check for KSDATARANGE_MUSIC support */
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for(Index = 0; Index < PinCount; Index++)
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{
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/* get audio pin data ranges */
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Status = MMixerGetAudioPinDataRanges(MixerContext, MixerData->hDevice, Index, &MultipleItem);
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/* check for success */
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if (Status == MM_STATUS_SUCCESS)
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{
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/* check if there is support KSDATARANGE_MUSIC */
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MMixerCheckFilterPinMidiSupport(MixerContext, MixerList, MixerData, Index, MultipleItem, szPname);
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}
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}
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}
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MIXER_STATUS
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MMixerOpenMidiPin(
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IN PMIXER_CONTEXT MixerContext,
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IN PMIXER_LIST MixerList,
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IN ULONG DeviceId,
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IN ULONG PinId,
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IN ACCESS_MASK DesiredAccess,
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IN PIN_CREATE_CALLBACK CreateCallback,
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IN PVOID Context,
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OUT PHANDLE PinHandle)
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{
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PKSPIN_CONNECT PinConnect;
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PKSDATAFORMAT DataFormat;
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LPMIXER_DATA MixerData;
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NTSTATUS Status;
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MIXER_STATUS MixerStatus;
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MixerData = MMixerGetDataByDeviceId(MixerList, DeviceId);
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if (!MixerData)
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return MM_STATUS_INVALID_PARAMETER;
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/* allocate pin connect */
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PinConnect = MMixerAllocatePinConnect(MixerContext, sizeof(KSDATAFORMAT));
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if (!PinConnect)
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{
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/* no memory */
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return MM_STATUS_NO_MEMORY;
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}
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/* initialize pin connect struct */
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MMixerInitializePinConnect(PinConnect, PinId);
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/* get offset to dataformat */
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DataFormat = (PKSDATAFORMAT) (PinConnect + 1);
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/* initialize data format */
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RtlMoveMemory(&DataFormat->MajorFormat, &KSDATAFORMAT_TYPE_MUSIC, sizeof(GUID));
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RtlMoveMemory(&DataFormat->SubFormat, &KSDATAFORMAT_SUBTYPE_MIDI, sizeof(GUID));
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RtlMoveMemory(&DataFormat->Specifier, &KSDATAFORMAT_SPECIFIER_NONE, sizeof(GUID));
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if (CreateCallback)
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{
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/* let the callback handle the creation */
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MixerStatus = CreateCallback(Context, DeviceId, PinId, MixerData->hDevice, PinConnect, DesiredAccess, PinHandle);
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}
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else
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{
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/* now create the pin */
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Status = KsCreatePin(MixerData->hDevice, PinConnect, DesiredAccess, PinHandle);
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/* normalize status */
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if (Status == STATUS_SUCCESS)
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MixerStatus = MM_STATUS_SUCCESS;
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else
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MixerStatus = MM_STATUS_UNSUCCESSFUL;
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}
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/* free create info */
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MixerContext->Free(PinConnect);
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/* done */
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return MixerStatus;
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}
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MIXER_STATUS
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MMixerGetMidiInfoByIndexAndType(
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IN PMIXER_LIST MixerList,
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IN ULONG DeviceIndex,
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IN ULONG bMidiInputType,
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OUT LPMIDI_INFO *OutMidiInfo)
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{
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ULONG Index = 0;
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PLIST_ENTRY Entry, ListHead;
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LPMIDI_INFO MidiInfo;
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if (bMidiInputType)
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ListHead = &MixerList->MidiInList;
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else
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ListHead = &MixerList->MidiOutList;
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/* get first entry */
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Entry = ListHead->Flink;
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while(Entry != ListHead)
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{
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MidiInfo = (LPMIDI_INFO)CONTAINING_RECORD(Entry, MIDI_INFO, Entry);
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if (Index == DeviceIndex)
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{
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*OutMidiInfo = MidiInfo;
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return MM_STATUS_SUCCESS;
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}
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Index++;
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Entry = Entry->Flink;
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}
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return MM_STATUS_INVALID_PARAMETER;
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}
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MIXER_STATUS
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MMixerMidiOutCapabilities(
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IN PMIXER_CONTEXT MixerContext,
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IN ULONG DeviceIndex,
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OUT LPMIDIOUTCAPSW Caps)
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{
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PMIXER_LIST MixerList;
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MIXER_STATUS Status;
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LPMIDI_INFO MidiInfo;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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/* find destination midi */
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Status = MMixerGetMidiInfoByIndexAndType(MixerList, DeviceIndex, FALSE, &MidiInfo);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* failed to find midi info */
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return MM_STATUS_UNSUCCESSFUL;
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}
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/* copy capabilities */
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MixerContext->Copy(Caps, &MidiInfo->u.OutCaps, sizeof(MIDIOUTCAPSW));
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return MM_STATUS_SUCCESS;
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}
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MIXER_STATUS
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MMixerMidiInCapabilities(
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IN PMIXER_CONTEXT MixerContext,
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IN ULONG DeviceIndex,
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OUT LPMIDIINCAPSW Caps)
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{
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PMIXER_LIST MixerList;
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MIXER_STATUS Status;
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LPMIDI_INFO MidiInfo;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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/* find destination midi */
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Status = MMixerGetMidiInfoByIndexAndType(MixerList, DeviceIndex, TRUE, &MidiInfo);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* failed to find midi info */
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return MM_STATUS_UNSUCCESSFUL;
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}
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/* copy capabilities */
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MixerContext->Copy(Caps, &MidiInfo->u.InCaps, sizeof(MIDIINCAPSW));
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return MM_STATUS_SUCCESS;
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}
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MIXER_STATUS
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MMixerGetMidiDevicePath(
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IN PMIXER_CONTEXT MixerContext,
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IN ULONG bMidiIn,
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IN ULONG DeviceId,
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OUT LPWSTR * DevicePath)
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{
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PMIXER_LIST MixerList;
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LPMIXER_DATA MixerData;
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LPMIDI_INFO MidiInfo;
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SIZE_T Length;
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MIXER_STATUS Status;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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/* find destination midi */
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Status = MMixerGetMidiInfoByIndexAndType(MixerList, DeviceId, bMidiIn, &MidiInfo);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* failed to find midi info */
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return MM_STATUS_INVALID_PARAMETER;
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}
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/* get associated device id */
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MixerData = MMixerGetDataByDeviceId(MixerList, MidiInfo->DeviceId);
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if (!MixerData)
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return MM_STATUS_INVALID_PARAMETER;
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/* calculate length */
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Length = wcslen(MixerData->DeviceName)+1;
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/* allocate destination buffer */
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*DevicePath = MixerContext->Alloc(Length * sizeof(WCHAR));
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if (!*DevicePath)
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{
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/* no memory */
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return MM_STATUS_NO_MEMORY;
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}
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/* copy device path */
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MixerContext->Copy(*DevicePath, MixerData->DeviceName, Length * sizeof(WCHAR));
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/* done */
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return MM_STATUS_SUCCESS;
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}
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MIXER_STATUS
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MMixerSetMidiStatus(
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IN PMIXER_CONTEXT MixerContext,
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IN HANDLE PinHandle,
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IN KSSTATE State)
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{
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KSPROPERTY Property;
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ULONG Length;
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/* setup property request */
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Property.Set = KSPROPSETID_Connection;
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Property.Id = KSPROPERTY_CONNECTION_STATE;
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Property.Flags = KSPROPERTY_TYPE_SET;
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return MixerContext->Control(PinHandle, IOCTL_KS_PROPERTY, &Property, sizeof(KSPROPERTY), &State, sizeof(KSSTATE), &Length);
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}
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MIXER_STATUS
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MMixerOpenMidi(
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IN PMIXER_CONTEXT MixerContext,
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IN ULONG DeviceIndex,
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IN ULONG bMidiIn,
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IN PIN_CREATE_CALLBACK CreateCallback,
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IN PVOID Context,
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OUT PHANDLE PinHandle)
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{
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PMIXER_LIST MixerList;
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MIXER_STATUS Status;
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LPMIDI_INFO MidiInfo;
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ACCESS_MASK DesiredAccess = 0;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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/* find destination midi */
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Status = MMixerGetMidiInfoByIndexAndType(MixerList, DeviceIndex, bMidiIn, &MidiInfo);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* failed to find midi info */
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return MM_STATUS_INVALID_PARAMETER;
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}
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/* get desired access */
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if (bMidiIn)
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{
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DesiredAccess |= GENERIC_READ;
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}
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else
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{
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DesiredAccess |= GENERIC_WRITE;
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}
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/* now try open the pin */
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return MMixerOpenMidiPin(MixerContext, MixerList, MidiInfo->DeviceId, MidiInfo->PinId, DesiredAccess, CreateCallback, Context, PinHandle);
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}
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ULONG
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MMixerGetMidiInCount(
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IN PMIXER_CONTEXT MixerContext)
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{
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PMIXER_LIST MixerList;
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MIXER_STATUS Status;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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return MixerList->MidiInListCount;
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}
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ULONG
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MMixerGetMidiOutCount(
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IN PMIXER_CONTEXT MixerContext)
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{
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PMIXER_LIST MixerList;
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MIXER_STATUS Status;
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/* verify mixer context */
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Status = MMixerVerifyContext(MixerContext);
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if (Status != MM_STATUS_SUCCESS)
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{
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/* invalid context passed */
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return Status;
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}
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/* grab mixer list */
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MixerList = (PMIXER_LIST)MixerContext->MixerContext;
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return MixerList->MidiOutListCount;
|
|
}
|