NULL
};
+ULONG
+CountTopologyComponents(
+ IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
+ OUT PULONG OutDescriptorCount)
+{
+ PUSB_INTERFACE_DESCRIPTOR Descriptor;
+ PUSB_AUDIO_CONTROL_INTERFACE_HEADER_DESCRIPTOR InterfaceHeaderDescriptor;
+ PUSB_COMMON_DESCRIPTOR CommonDescriptor;
+ PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR InputTerminalDescriptor;
+ PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR FeatureUnitDescriptor;
+ PUSB_AUDIO_CONTROL_MIXER_UNIT_DESCRIPTOR MixerUnitDescriptor;
+ ULONG NodeCount = 0;
+ ULONG DescriptorCount = 0;
+ UCHAR Value;
+
+ for (Descriptor = USBD_ParseConfigurationDescriptorEx(ConfigurationDescriptor, ConfigurationDescriptor, -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1);
+ Descriptor != NULL;
+ Descriptor = USBD_ParseConfigurationDescriptorEx(ConfigurationDescriptor, (PVOID)((ULONG_PTR)Descriptor + Descriptor->bLength), -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1))
+ {
+ if (Descriptor->bInterfaceSubClass == 0x01) /* AUDIO_CONTROL */
+ {
+ InterfaceHeaderDescriptor = (PUSB_AUDIO_CONTROL_INTERFACE_HEADER_DESCRIPTOR)USBD_ParseDescriptors(ConfigurationDescriptor, ConfigurationDescriptor->wTotalLength, Descriptor, USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ if (InterfaceHeaderDescriptor != NULL)
+ {
+ CommonDescriptor = USBD_ParseDescriptors(InterfaceHeaderDescriptor, InterfaceHeaderDescriptor->wTotalLength, (PVOID)((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->bLength), USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ while (CommonDescriptor)
+ {
+ InputTerminalDescriptor = (PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR)CommonDescriptor;
+ if (InputTerminalDescriptor->bDescriptorSubtype == 0x02 /* INPUT TERMINAL*/ || InputTerminalDescriptor->bDescriptorSubtype == 0x03 /* OUTPUT_TERMINAL*/)
+ {
+ NodeCount++;
+ DescriptorCount++;
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x06 /* FEATURE_UNIT*/)
+ {
+ FeatureUnitDescriptor = (PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR)InputTerminalDescriptor;
+ DescriptorCount++;
+ Value = FeatureUnitDescriptor->bmaControls[0];
+ if (Value & 0x01) /* MUTE*/
+ NodeCount++;
+ if (Value & 0x02) /* VOLUME */
+ NodeCount++;
+ if (Value & 0x04) /* BASS */
+ NodeCount++;
+ if (Value & 0x08) /* MID */
+ NodeCount++;
+ if (Value & 0x10) /* TREBLE */
+ NodeCount++;
+ if (Value & 0x20) /* GRAPHIC EQUALIZER */
+ NodeCount++;
+ if (Value & 0x40) /* AUTOMATIC GAIN */
+ NodeCount++;
+ if (Value & 0x80) /* DELAY */
+ NodeCount++;
+
+ /* FIXME handle logical channels too */
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x04 /* MIXER_UNIT */)
+ {
+ MixerUnitDescriptor = (PUSB_AUDIO_CONTROL_MIXER_UNIT_DESCRIPTOR)InputTerminalDescriptor;
+ DescriptorCount++;
+ NodeCount += MixerUnitDescriptor->bNrInPins + 1; /* KSNODETYPE_SUPERMIX for each source pin and KSNODETYPE_SUM for target */
+ }
+ else
+ {
+ UNIMPLEMENTED
+ }
+ CommonDescriptor = (PUSB_COMMON_DESCRIPTOR)((ULONG_PTR)CommonDescriptor + CommonDescriptor->bLength);
+ if ((ULONG_PTR)CommonDescriptor >= ((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->wTotalLength))
+ break;
+ }
+ }
+ }
+ }
+ *OutDescriptorCount = DescriptorCount;
+ return NodeCount;
+}
+
+PNODE_CONTEXT
+FindNodeContextWithId(
+ IN PNODE_CONTEXT NodeContext,
+ IN ULONG NodeContextCount,
+ IN UCHAR TerminalId)
+{
+ ULONG Index;
+ PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR TerminalDescriptor;
+
+ for (Index = 0; Index < NodeContextCount; Index++)
+ {
+ TerminalDescriptor = (PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR)NodeContext[Index].Descriptor;
+ if (TerminalDescriptor->bTerminalID == TerminalId)
+ return &NodeContext[Index];
+ }
+ return NULL;
+}
NTSTATUS
BuildUSBAudioFilterTopology(
- PKSDEVICE Device)
+ PKSDEVICE Device,
+ PKSFILTER_DESCRIPTOR FilterDescriptor)
{
- UNIMPLEMENTED
- return STATUS_NOT_IMPLEMENTED;
+ PDEVICE_EXTENSION DeviceExtension;
+ ULONG NodeCount, Index, DescriptorCount, StreamingTerminalIndex, NonStreamingTerminalDescriptorCount, TotalTerminalDescriptorCount, StreamingTerminalPinOffset, ControlDescriptorCount;
+ UCHAR Value;
+ PUSB_INTERFACE_DESCRIPTOR Descriptor;
+ PUSB_AUDIO_CONTROL_INTERFACE_HEADER_DESCRIPTOR InterfaceHeaderDescriptor;
+ PUSB_COMMON_DESCRIPTOR CommonDescriptor;
+ PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR InputTerminalDescriptor;
+ PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR FeatureUnitDescriptor;
+ PUSB_AUDIO_CONTROL_MIXER_UNIT_DESCRIPTOR MixerUnitDescriptor;
+ PUSB_AUDIO_CONTROL_OUTPUT_TERMINAL_DESCRIPTOR OutputTerminalDescriptor;
+ PKSNODE_DESCRIPTOR NodeDescriptors;
+ PNODE_CONTEXT NodeContext, PreviousNodeContext;
+ PKSTOPOLOGY_CONNECTION Connections;
+
+ /* get device extension */
+ DeviceExtension = Device->Context;
+
+ /* count topology nodes */
+ NodeCount = CountTopologyComponents(DeviceExtension->ConfigurationDescriptor, &ControlDescriptorCount);
+
+ /* init node descriptors*/
+ FilterDescriptor->NodeDescriptors = NodeDescriptors = AllocFunction(NodeCount * sizeof(KSNODE_DESCRIPTOR));
+ if (FilterDescriptor->NodeDescriptors == NULL)
+ {
+ /* no memory */
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ FilterDescriptor->NodeDescriptorSize = sizeof(KSNODE_DESCRIPTOR);
+
+ NodeContext = AllocFunction(sizeof(NODE_CONTEXT) * ControlDescriptorCount);
+ if (!NodeContext)
+ {
+ /* no memory */
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ DescriptorCount = 0;
+
+ /* first enumerate all topology nodes */
+ for (Descriptor = USBD_ParseConfigurationDescriptorEx(DeviceExtension->ConfigurationDescriptor, DeviceExtension->ConfigurationDescriptor, -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1);
+ Descriptor != NULL;
+ Descriptor = USBD_ParseConfigurationDescriptorEx(DeviceExtension->ConfigurationDescriptor, (PVOID)((ULONG_PTR)Descriptor + Descriptor->bLength), -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1))
+ {
+ if (Descriptor->bInterfaceSubClass == 0x01) /* AUDIO_CONTROL */
+ {
+ InterfaceHeaderDescriptor = (PUSB_AUDIO_CONTROL_INTERFACE_HEADER_DESCRIPTOR)USBD_ParseDescriptors(DeviceExtension->ConfigurationDescriptor, DeviceExtension->ConfigurationDescriptor->wTotalLength, Descriptor, USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ if (InterfaceHeaderDescriptor != NULL)
+ {
+ CommonDescriptor = USBD_ParseDescriptors(InterfaceHeaderDescriptor, InterfaceHeaderDescriptor->wTotalLength, (PVOID)((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->bLength), USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ while (CommonDescriptor)
+ {
+ InputTerminalDescriptor = (PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR)CommonDescriptor;
+ if (InputTerminalDescriptor->bDescriptorSubtype == 0x02 /* INPUT TERMINAL*/)
+ {
+ if (InputTerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_SRC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_SRC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ NodeContext[DescriptorCount].NodeCount = 1;
+ NodeContext[DescriptorCount].Nodes[0] = FilterDescriptor->NodeDescriptorsCount;
+ DescriptorCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else if ((InputTerminalDescriptor->wTerminalType & 0xFF00) == 0x200)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_ADC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_ADC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ NodeContext[DescriptorCount].NodeCount = 1;
+ NodeContext[DescriptorCount].Nodes[0] = FilterDescriptor->NodeDescriptorsCount;
+ DescriptorCount++;
+
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else if ((InputTerminalDescriptor->wTerminalType & 0xFF00) == 0x300)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_DAC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_DAC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ NodeContext[DescriptorCount].NodeCount = 1;
+ NodeContext[DescriptorCount].Nodes[0] = FilterDescriptor->NodeDescriptorsCount;
+ DescriptorCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else
+ {
+ DPRINT1("Unexpected input terminal type %x\n", InputTerminalDescriptor->wTerminalType);
+ }
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x03 /* OUTPUT_TERMINAL*/)
+ {
+ if (InputTerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_SRC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_SRC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ NodeContext[DescriptorCount].NodeCount = 1;
+ NodeContext[DescriptorCount].Nodes[0] = FilterDescriptor->NodeDescriptorsCount;
+ DescriptorCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else if ((InputTerminalDescriptor->wTerminalType & 0xFF00) == 0x300)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_DAC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_DAC;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ NodeContext[DescriptorCount].NodeCount = 1;
+ NodeContext[DescriptorCount].Nodes[0] = FilterDescriptor->NodeDescriptorsCount;
+ DescriptorCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else
+ {
+ DPRINT1("Unexpected output terminal type %x\n", InputTerminalDescriptor->wTerminalType);
+ }
+ }
+
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x06 /* FEATURE_UNIT*/)
+ {
+ FeatureUnitDescriptor = (PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR)CommonDescriptor;
+ Value = FeatureUnitDescriptor->bmaControls[0];
+ if (Value & 0x01) /* MUTE*/
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_MUTE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_MUTE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ if (Value & 0x02) /* VOLUME */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_VOLUME;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_VOLUME;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x04) /* BASS */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x08) /* MID */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x10) /* TREBLE */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x20) /* GRAPHIC EQUALIZER */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x40) /* AUTOMATIC GAIN */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ if (Value & 0x80) /* DELAY */
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_TONE;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ DescriptorCount++;
+
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x04 /* MIXER_UNIT */)
+ {
+ MixerUnitDescriptor = (PUSB_AUDIO_CONTROL_MIXER_UNIT_DESCRIPTOR)CommonDescriptor;
+ for (Index = 0; Index < MixerUnitDescriptor->bNrInPins; Index++)
+ {
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_SUPERMIX;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_SUPERMIX;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Type = &KSNODETYPE_SUM;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].Name = &KSNODETYPE_SUM;
+ NodeDescriptors[FilterDescriptor->NodeDescriptorsCount].AutomationTable = AllocFunction(sizeof(KSAUTOMATION_TABLE));
+
+ /* insert into node context*/
+ NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount] = FilterDescriptor->NodeDescriptorsCount;
+ NodeContext[DescriptorCount].NodeCount++;
+ NodeContext[DescriptorCount].Descriptor = CommonDescriptor;
+ DescriptorCount++;
+
+ FilterDescriptor->NodeDescriptorsCount++;
+ }
+ else
+ {
+ UNIMPLEMENTED
+ }
+ CommonDescriptor = (PUSB_COMMON_DESCRIPTOR)((ULONG_PTR)CommonDescriptor + CommonDescriptor->bLength);
+ if ((ULONG_PTR)CommonDescriptor >= ((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->wTotalLength))
+ break;
+ }
+ }
+ }
+ }
+
+ /* FIXME determine connections count*/
+ FilterDescriptor->Connections = Connections = AllocFunction(sizeof(KSTOPOLOGY_CONNECTION) * FilterDescriptor->NodeDescriptorsCount * 2);
+ if (!FilterDescriptor->Connections)
+ {
+ /* no memory */
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+ FilterDescriptor->ConnectionsCount = 0;
+
+ /* now build connections array */
+ DescriptorCount = 0;
+ StreamingTerminalIndex = 0;
+ NodeCount = 0;
+
+ CountTerminalUnits(DeviceExtension->ConfigurationDescriptor, &NonStreamingTerminalDescriptorCount, &TotalTerminalDescriptorCount);
+ StreamingTerminalPinOffset = TotalTerminalDescriptorCount - NonStreamingTerminalDescriptorCount;
+
+ for (Descriptor = USBD_ParseConfigurationDescriptorEx(DeviceExtension->ConfigurationDescriptor, DeviceExtension->ConfigurationDescriptor, -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1);
+ Descriptor != NULL;
+ Descriptor = USBD_ParseConfigurationDescriptorEx(DeviceExtension->ConfigurationDescriptor, (PVOID)((ULONG_PTR)Descriptor + Descriptor->bLength), -1, -1, USB_DEVICE_CLASS_AUDIO, -1, -1))
+ {
+ if (Descriptor->bInterfaceSubClass == 0x01) /* AUDIO_CONTROL */
+ {
+ InterfaceHeaderDescriptor = (PUSB_AUDIO_CONTROL_INTERFACE_HEADER_DESCRIPTOR)USBD_ParseDescriptors(DeviceExtension->ConfigurationDescriptor, DeviceExtension->ConfigurationDescriptor->wTotalLength, Descriptor, USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ if (InterfaceHeaderDescriptor != NULL)
+ {
+ CommonDescriptor = USBD_ParseDescriptors(InterfaceHeaderDescriptor, InterfaceHeaderDescriptor->wTotalLength, (PVOID)((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->bLength), USB_AUDIO_CONTROL_TERMINAL_DESCRIPTOR_TYPE);
+ while (CommonDescriptor)
+ {
+ InputTerminalDescriptor = (PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR)CommonDescriptor;
+ if (InputTerminalDescriptor->bDescriptorSubtype == 0x02 /* INPUT TERMINAL*/)
+ {
+ if (InputTerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = KSFILTER_NODE;
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = StreamingTerminalIndex;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[0];
+ FilterDescriptor->ConnectionsCount++;
+ StreamingTerminalIndex++;
+
+ }
+ else
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = KSFILTER_NODE;
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = StreamingTerminalPinOffset;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[0];
+ FilterDescriptor->ConnectionsCount++;
+ StreamingTerminalPinOffset++;
+ }
+ DescriptorCount++;
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x03 /* OUTPUT_TERMINAL*/)
+ {
+ OutputTerminalDescriptor = (PUSB_AUDIO_CONTROL_OUTPUT_TERMINAL_DESCRIPTOR)CommonDescriptor;
+ PreviousNodeContext = FindNodeContextWithId(NodeContext, ControlDescriptorCount, OutputTerminalDescriptor->bSourceID);
+ if (PreviousNodeContext)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = PreviousNodeContext->Nodes[PreviousNodeContext->NodeCount - 1];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[0];
+ FilterDescriptor->ConnectionsCount++;
+ }
+
+ if (InputTerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = NodeContext[DescriptorCount].Nodes[0];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = StreamingTerminalIndex;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = KSFILTER_NODE;
+ FilterDescriptor->ConnectionsCount++;
+ StreamingTerminalIndex++;
+ }
+ else
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = NodeContext[DescriptorCount].Nodes[0];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = StreamingTerminalPinOffset;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = KSFILTER_NODE;
+ FilterDescriptor->ConnectionsCount++;
+
+ StreamingTerminalPinOffset++;
+ }
+ DescriptorCount++;
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x06 /* FEATURE_UNIT*/)
+ {
+ FeatureUnitDescriptor = (PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR)InputTerminalDescriptor;
+ PreviousNodeContext = FindNodeContextWithId(NodeContext, ControlDescriptorCount, FeatureUnitDescriptor->bSourceID);
+ if (PreviousNodeContext)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = PreviousNodeContext->Nodes[PreviousNodeContext->NodeCount-1];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[0];
+ FilterDescriptor->ConnectionsCount++;
+ }
+ for (Index = 1; Index < NodeContext[DescriptorCount].NodeCount; Index++)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = NodeContext[DescriptorCount].Nodes[Index - 1];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[Index];
+ FilterDescriptor->ConnectionsCount++;
+ }
+
+ DescriptorCount++;
+ }
+ else if (InputTerminalDescriptor->bDescriptorSubtype == 0x04 /* MIXER_UNIT */)
+ {
+ MixerUnitDescriptor = (PUSB_AUDIO_CONTROL_MIXER_UNIT_DESCRIPTOR)InputTerminalDescriptor;
+ for (Index = 0; Index < MixerUnitDescriptor->bNrInPins; Index++)
+ {
+ Value = MixerUnitDescriptor->baSourceID[Index];
+ PreviousNodeContext = FindNodeContextWithId(NodeContext, ControlDescriptorCount, Value);
+ if (PreviousNodeContext)
+ {
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = PreviousNodeContext->Nodes[PreviousNodeContext->NodeCount - 1];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[Index];
+ FilterDescriptor->ConnectionsCount++;
+ }
+
+ Connections[FilterDescriptor->ConnectionsCount].FromNode = NodeContext[DescriptorCount].Nodes[Index];
+ Connections[FilterDescriptor->ConnectionsCount].FromNodePin = 0;
+ Connections[FilterDescriptor->ConnectionsCount].ToNodePin = 1 + Index;
+ Connections[FilterDescriptor->ConnectionsCount].ToNode = NodeContext[DescriptorCount].Nodes[NodeContext[DescriptorCount].NodeCount-1];
+ FilterDescriptor->ConnectionsCount++;
+ }
+ DescriptorCount++;
+ }
+ else
+ {
+ UNIMPLEMENTED
+ }
+ CommonDescriptor = (PUSB_COMMON_DESCRIPTOR)((ULONG_PTR)CommonDescriptor + CommonDescriptor->bLength);
+ if ((ULONG_PTR)CommonDescriptor >= ((ULONG_PTR)InterfaceHeaderDescriptor + InterfaceHeaderDescriptor->wTotalLength))
+ break;
+ }
+ }
+ }
+ }
+
+
+
+ return STATUS_SUCCESS;
}
NTSTATUS
VOID
+NTAPI
CountTerminalUnits(
IN PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor,
OUT PULONG NonStreamingTerminalDescriptorCount,
DeviceExtension = Device->Context;
CountTerminalUnits(DeviceExtension->ConfigurationDescriptor, &NonStreamingTerminalDescriptorCount, &TotalTerminalDescriptorCount);
- DPRINT1("TotalTerminalDescriptorCount %lu NonStreamingTerminalDescriptorCount %lu", TotalTerminalDescriptorCount, NonStreamingTerminalDescriptorCount);
+ DPRINT("TotalTerminalDescriptorCount %lu NonStreamingTerminalDescriptorCount %lu\n", TotalTerminalDescriptorCount, NonStreamingTerminalDescriptorCount);
/* allocate pins */
Pins = AllocFunction(sizeof(KSPIN_DESCRIPTOR_EX) * TotalTerminalDescriptorCount);
Pins[Index].PinDescriptor.DataFlow = KSPIN_DATAFLOW_IN;
}
+ /* data intersect handler */
+ Pins[Index].IntersectHandler = UsbAudioPinDataIntersect;
+ /* pin flags */
Pins[Index].Flags = KSPIN_FLAG_PROCESS_IN_RUN_STATE_ONLY | KSFILTER_FLAG_CRITICAL_PROCESSING;
/* irp sinks / sources can be instantiated */
}
/* build topology */
- Status = BuildUSBAudioFilterTopology(Device);
+ Status = BuildUSBAudioFilterTopology(Device, FilterDescriptor);
if (!NT_SUCCESS(Status))
{
/* failed*/
/* lets create the filter */
Status = KsCreateFilterFactory(Device->FunctionalDeviceObject, FilterDescriptor, ReferenceString, NULL, KSCREATE_ITEM_FREEONSTOP, NULL, NULL, NULL);
- DPRINT1("KsCreateFilterFactory: %x\n", Status);
+ DPRINT("KsCreateFilterFactory: %x\n", Status);
return Status;
}
projects / reactos.git / blobdiff