ULONG m_StopCount;
KSAUDIO_POSITION m_Position;
KSALLOCATOR_FRAMING m_AllocatorFraming;
- SUBDEVICE_DESCRIPTOR m_Descriptor;
+ PSUBDEVICE_DESCRIPTOR m_Descriptor;
KSPIN_LOCK m_EventListLock;
LIST_ENTRY m_EventList;
NTSTATUS NTAPI PinWaveCyclicAllocatorFraming(IN PIRP Irp, IN PKSIDENTIFIER Request, IN OUT PVOID Data);
NTSTATUS NTAPI PinWaveCyclicAddEndOfStreamEvent(IN PIRP Irp, IN PKSEVENTDATA EventData, IN PKSEVENT_ENTRY EventEntry);
NTSTATUS NTAPI PinWaveCyclicAddLoopedStreamEvent(IN PIRP Irp, IN PKSEVENTDATA EventData, IN PKSEVENT_ENTRY EventEntry);
+NTSTATUS NTAPI PinWaveCyclicDRMHandler(IN PIRP Irp, IN PKSIDENTIFIER Request, IN OUT PVOID Data);
DEFINE_KSPROPERTY_CONNECTIONSET(PinWaveCyclicConnectionSet, PinWaveCyclicState, PinWaveCyclicDataFormat, PinWaveCyclicAllocatorFraming);
DEFINE_KSPROPERTY_AUDIOSET(PinWaveCyclicAudioSet, PinWaveCyclicAudioPosition);
+DEFINE_KSPROPERTY_DRMSET(PinWaveCyclicDRMSet, PinWaveCyclicDRMHandler);
KSEVENT_ITEM PinWaveCyclicConnectionEventSet =
{
(const KSPROPERTY_ITEM*)&PinWaveCyclicAudioSet,
0,
NULL
+ },
+ {
+ &KSPROPSETID_DrmAudioStream,
+ sizeof(PinWaveCyclicDRMSet) / sizeof(KSPROPERTY_ITEM),
+ (const KSPROPERTY_ITEM*)&PinWaveCyclicDRMSet,
+ 0,
+ NULL
}
};
return STATUS_UNSUCCESSFUL;
}
+NTSTATUS
+NTAPI
+PinWaveCyclicDRMHandler(
+ IN PIRP Irp,
+ IN PKSIDENTIFIER Request,
+ IN OUT PVOID Data)
+{
+ DPRINT1("PinWaveCyclicDRMHandler\n");
+ ASSERT(0);
+ return STATUS_INVALID_PARAMETER;
+}
+
+
NTSTATUS
NTAPI
PinWaveCyclicAddEndOfStreamEvent(
{
// FIXME
// complete with successful state
+ Pin->m_Stream->Silence(Pin->m_CommonBuffer, Pin->m_CommonBufferSize);
Pin->m_IrpQueue->CancelBuffers();
Pin->m_Position.PlayOffset = 0;
Pin->m_Position.WriteOffset = 0;
}
else if (Pin->m_State == KSSTATE_STOP)
{
+ Pin->m_Stream->Silence(Pin->m_CommonBuffer, Pin->m_CommonBufferSize);
Pin->m_IrpQueue->CancelBuffers();
Pin->m_Position.PlayOffset = 0;
Pin->m_Position.WriteOffset = 0;
ULONG BufferLength;
ULONG BytesToCopy;
ULONG BufferSize;
+ ULONG Gap;
PUCHAR Buffer;
NTSTATUS Status;
{
Status = m_IrpQueue->GetMapping(&Buffer, &BufferSize);
if (!NT_SUCCESS(Status))
- return;
+ {
+ Gap = Position - m_CommonBufferOffset;
+ if (Gap > BufferLength)
+ {
+ // insert silence samples
+ DPRINT("Inserting Silence Buffer Offset %lu GapLength %lu\n", m_CommonBufferOffset, BufferLength);
+ m_Stream->Silence((PUCHAR)m_CommonBuffer + m_CommonBufferOffset, BufferLength);
+
+ m_CommonBufferOffset += BufferLength;
+ }
+ break;
+ }
BytesToCopy = min(BufferLength, BufferSize);
m_IrpQueue->UpdateMapping(BytesToCopy);
m_CommonBufferOffset += BytesToCopy;
- BufferLength = Position - m_CommonBufferOffset;
+ BufferLength -= BytesToCopy;
m_Position.PlayOffset += BytesToCopy;
if (m_ConnectDetails->Interface.Id == KSINTERFACE_STANDARD_LOOPED_STREAMING)
{
Status = m_IrpQueue->GetMapping(&Buffer, &BufferSize);
if (!NT_SUCCESS(Status))
- return;
+ {
+ Gap = m_CommonBufferSize - m_CommonBufferOffset + Position;
+ if (Gap > BufferLength)
+ {
+ // insert silence samples
+ DPRINT("Overlap Inserting Silence Buffer Size %lu Offset %lu Gap %lu Position %lu\n", m_CommonBufferSize, m_CommonBufferOffset, Gap, Position);
+ m_Stream->Silence((PUCHAR)m_CommonBuffer + m_CommonBufferOffset, BufferLength);
+
+ m_CommonBufferOffset += BufferLength;
+ }
+ break;
+ }
BytesToCopy = min(BufferLength, BufferSize);
- if (m_Capture)
+ if (m_Capture)
{
m_DmaChannel->CopyFrom(Buffer,
(PUCHAR)m_CommonBuffer + m_CommonBufferOffset,
m_CommonBufferOffset += BytesToCopy;
m_Position.PlayOffset += BytesToCopy;
- BufferLength = m_CommonBufferSize - m_CommonBufferOffset;
+ BufferLength -=BytesToCopy;
if (m_ConnectDetails->Interface.Id == KSINTERFACE_STANDARD_LOOPED_STREAMING)
{
m_Position.PlayOffset = m_Position.PlayOffset % m_Position.WriteOffset;
}
}
-
}
if (Gap == Length)
{
ULONG Position;
NTSTATUS Status;
- PUCHAR Buffer;
- ULONG BufferSize;
ULONGLONG OldOffset, NewOffset;
PC_ASSERT_IRQL(DISPATCH_LEVEL);
if (m_State == KSSTATE_RUN)
{
- Status = m_IrpQueue->GetMapping(&Buffer, &BufferSize);
- if (!NT_SUCCESS(Status))
- {
- return;
- }
-
Status = m_Stream->GetPosition(&Position);
- DPRINT("Position %u Buffer %p BufferSize %u ActiveIrpOffset %u Capture %u\n", Position, Buffer, m_CommonBufferSize, BufferSize, m_Capture);
OldOffset = m_Position.PlayOffset;
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_KS_PROPERTY)
{
/* handle property with subdevice descriptor */
- Status = PcHandlePropertyWithTable(Irp, m_Descriptor.FilterPropertySetCount, m_Descriptor.FilterPropertySet, &m_Descriptor);
+ Status = PcHandlePropertyWithTable(Irp, m_Descriptor->FilterPropertySetCount, m_Descriptor->FilterPropertySet, m_Descriptor);
if (Status == STATUS_NOT_FOUND)
{
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_KS_ENABLE_EVENT)
{
- Status = PcHandleEnableEventWithTable(Irp, &m_Descriptor);
+ Status = PcHandleEnableEventWithTable(Irp, m_Descriptor);
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_KS_DISABLE_EVENT)
{
- Status = PcHandleDisableEventWithTable(Irp, &m_Descriptor);
+ Status = PcHandleDisableEventWithTable(Irp, m_Descriptor);
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_KS_RESET_STATE)
{
if (m_Format)
{
// free format
- ExFreePool(m_Format);
+ FreeItem(m_Format, TAG_PORTCLASS);
+
+ // format is freed
m_Format = NULL;
}
if (m_IrpQueue)
{
- // fixme cancel irps
- m_IrpQueue->Release();
- }
+ // cancel remaining irps
+ m_IrpQueue->CancelBuffers();
+ // release irp queue
+ m_IrpQueue->Release();
- if (m_Port)
- {
- // release reference to port driver
- m_Port->Release();
- m_Port = NULL;
+ // queue is freed
+ m_IrpQueue = NULL;
}
if (m_ServiceGroup)
{
// remove member from service group
m_ServiceGroup->RemoveMember(PSERVICESINK(this));
+
+ // do not release service group, it is released by the miniport object
m_ServiceGroup = NULL;
}
// set state to stop
m_State = KSSTATE_STOP;
-
DPRINT("Closing stream at Irql %u\n", KeGetCurrentIrql());
+
// release stream
m_Stream->Release();
+ // stream is now freed
+ m_Stream = NULL;
}
if (m_Filter)
{
- // release reference to filter instance
+ // disconnect pin from filter
m_Filter->FreePin((PPORTPINWAVECYCLIC)this);
+
+ // release filter reference
m_Filter->Release();
+
+ // pin is done with filter
m_Filter = NULL;
}
+ if (m_Port)
+ {
+ // release reference to port driver
+ m_Port->Release();
+
+ // work is done for port
+ m_Port = NULL;
+ }
+
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
PKSDATAFORMAT DataFormat;
PDEVICE_OBJECT DeviceObject;
BOOLEAN Capture;
- PVOID SilenceBuffer;
PSUBDEVICE_DESCRIPTOR SubDeviceDescriptor = NULL;
//IDrmAudioStream * DrmAudio = NULL;
#endif
DPRINT1("CPortPinWaveCyclic::Init Status %x PinId %u Capture %u\n", Status, ConnectDetails->PinId, Capture);
- DPRINT1("Bits %u Samples %u Channels %u Tag %u FrameSize %u\n", ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.wBitsPerSample, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.nSamplesPerSec, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.nChannels, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.wFormatTag, m_FrameSize);
if (!NT_SUCCESS(Status))
return Status;
InitializeListHead(&m_EventList);
KeInitializeSpinLock(&m_EventListLock);
- /* set up subdevice descriptor */
- RtlZeroMemory(&m_Descriptor, sizeof(SUBDEVICE_DESCRIPTOR));
- m_Descriptor.FilterPropertySet = PinWaveCyclicPropertySet;
- m_Descriptor.FilterPropertySetCount = sizeof(PinWaveCyclicPropertySet) / sizeof(KSPROPERTY_SET);
- m_Descriptor.UnknownStream = (PUNKNOWN)m_Stream;
- m_Descriptor.DeviceDescriptor = SubDeviceDescriptor->DeviceDescriptor;
- m_Descriptor.UnknownMiniport = SubDeviceDescriptor->UnknownMiniport;
- m_Descriptor.PortPin = (PVOID)this;
- m_Descriptor.EventSetCount = sizeof(PinWaveCyclicEventSet) / sizeof(KSEVENT_SET);
- m_Descriptor.EventSet = PinWaveCyclicEventSet;
- m_Descriptor.EventList = &m_EventList;
- m_Descriptor.EventListLock = &m_EventListLock;
+ Status = PcCreateSubdeviceDescriptor(&m_Descriptor,
+ SubDeviceDescriptor->InterfaceCount,
+ SubDeviceDescriptor->Interfaces,
+ 0, /* FIXME KSINTERFACE_STANDARD with KSINTERFACE_STANDARD_STREAMING / KSINTERFACE_STANDARD_LOOPED_STREAMING */
+ NULL,
+ sizeof(PinWaveCyclicPropertySet) / sizeof(KSPROPERTY_SET),
+ PinWaveCyclicPropertySet,
+ 0,
+ 0,
+ 0,
+ NULL,
+ sizeof(PinWaveCyclicEventSet) / sizeof(KSEVENT_SET),
+ PinWaveCyclicEventSet,
+ SubDeviceDescriptor->DeviceDescriptor);
+
+ m_Descriptor->UnknownStream = (PUNKNOWN)m_Stream;
+ m_Descriptor->UnknownMiniport = SubDeviceDescriptor->UnknownMiniport;
+ m_Descriptor->PortPin = (PVOID)this;
+ m_Descriptor->EventList = &m_EventList;
+ m_Descriptor->EventListLock = &m_EventListLock;
// initialize reset state
m_ResetState = KSRESET_END;
// delay of 10 milisec
m_Delay = Int32x32To64(10, -10000);
+ // sanity checks
+ PC_ASSERT(m_CommonBufferSize);
+ PC_ASSERT(m_CommonBuffer);
+
Status = m_Stream->SetNotificationFreq(10, &m_FrameSize);
PC_ASSERT(NT_SUCCESS(Status));
PC_ASSERT(m_FrameSize);
- SilenceBuffer = AllocateItem(NonPagedPool, m_FrameSize, TAG_PORTCLASS);
- if (!SilenceBuffer)
- return STATUS_INSUFFICIENT_RESOURCES;
+ DPRINT1("Bits %u Samples %u Channels %u Tag %u FrameSize %u CommonBufferSize %lu, CommonBuffer %p\n", ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.wBitsPerSample, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.nSamplesPerSec, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.nChannels, ((PKSDATAFORMAT_WAVEFORMATEX)(DataFormat))->WaveFormatEx.wFormatTag, m_FrameSize, m_CommonBufferSize, m_DmaChannel->SystemAddress());
/* set up allocator framing */
m_AllocatorFraming.Reserved = 0;
m_AllocatorFraming.FrameSize = m_FrameSize;
- m_Stream->Silence(SilenceBuffer, m_FrameSize);
m_Stream->Silence(m_CommonBuffer, m_CommonBufferSize);
- Status = m_IrpQueue->Init(ConnectDetails, m_FrameSize, 0, SilenceBuffer);
+ Status = m_IrpQueue->Init(ConnectDetails, KsPinDescriptor, m_FrameSize, 0, FALSE);
if (!NT_SUCCESS(Status))
{
m_IrpQueue->Release();
m_Port = Port;
m_Filter = Filter;
- //DPRINT("Setting state to acquire %x\n", m_Stream->SetState(KSSTATE_ACQUIRE));
- //DPRINT("Setting state to pause %x\n", m_Stream->SetState(KSSTATE_PAUSE));
-
return STATUS_SUCCESS;
}