-/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS Kernel Streaming
- * FILE: lib/drivers/sound/libusbaudio/libusbaudio.c
- * PURPOSE: USB AUDIO Parser
- * PROGRAMMER: Johannes Anderwald
- */
-#include "priv.h"
-
-GUID NodeTypeMicrophone = {STATIC_KSNODETYPE_MICROPHONE};
-GUID NodeTypeDesktopMicrophone = {STATIC_KSNODETYPE_DESKTOP_MICROPHONE};
-GUID NodeTypePersonalMicrophone = {STATIC_KSNODETYPE_PERSONAL_MICROPHONE};
-GUID NodeTypeOmmniMicrophone = {STATIC_KSNODETYPE_OMNI_DIRECTIONAL_MICROPHONE};
-GUID NodeTypeArrayMicrophone = {STATIC_KSNODETYPE_MICROPHONE_ARRAY};
-GUID NodeTypeProcessingArrayMicrophone = {STATIC_KSNODETYPE_PROCESSING_MICROPHONE_ARRAY};
-GUID NodeTypeSpeaker = {STATIC_KSNODETYPE_SPEAKER};
-GUID NodeTypeHeadphonesSpeaker = {STATIC_KSNODETYPE_HEADPHONES};
-GUID NodeTypeHMDA = {STATIC_KSNODETYPE_HEAD_MOUNTED_DISPLAY_AUDIO};
-GUID NodeTypeDesktopSpeaker = {STATIC_KSNODETYPE_DESKTOP_SPEAKER};
-GUID NodeTypeRoomSpeaker = {STATIC_KSNODETYPE_ROOM_SPEAKER};
-GUID NodeTypeCommunicationSpeaker = {STATIC_KSNODETYPE_COMMUNICATION_SPEAKER};
-GUID NodeTypeSubwoofer = {STATIC_KSNODETYPE_LOW_FREQUENCY_EFFECTS_SPEAKER};
-GUID NodeTypeCapture = {STATIC_PINNAME_CAPTURE};
-GUID NodeTypePlayback = {STATIC_KSCATEGORY_AUDIO};
-
-
-KSPIN_INTERFACE StandardPinInterface =
-{
- {STATIC_KSINTERFACESETID_Standard},
- KSINTERFACE_STANDARD_STREAMING,
- 0
-};
-
-KSPIN_MEDIUM StandardPinMedium =
-{
- {STATIC_KSMEDIUMSETID_Standard},
- KSMEDIUM_TYPE_ANYINSTANCE,
- 0
-};
-
-USBAUDIO_STATUS
-UsbAudio_InitializeContext(
- IN PUSBAUDIO_CONTEXT Context,
- IN PUSBAUDIO_ALLOC Alloc,
- IN PUSBAUDIO_FREE Free,
- IN PUSBAUDIO_COPY Copy)
-{
-
- /* verify parameters */
- if (!Context || !Alloc || !Free || !Copy)
- {
- /* invalid parameter */
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* initialize context */
- Context->Size = sizeof(USBAUDIO_CONTEXT);
- Context->Alloc = Alloc;
- Context->Free = Free;
- Context->Copy = Copy;
-
- /* done */
- return UA_STATUS_SUCCESS;
-}
-
-LPGUID
-UsbAudio_GetPinCategoryFromTerminalDescriptor(
- IN PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR TerminalDescriptor)
-{
- if (TerminalDescriptor->wTerminalType == USB_AUDIO_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypeMicrophone;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_DESKTOP_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypeDesktopMicrophone;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_PERSONAL_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypePersonalMicrophone;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_OMMNI_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypeOmmniMicrophone;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_ARRAY_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypeArrayMicrophone;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_ARRAY_PROCESSING_MICROPHONE_TERMINAL_TYPE)
- return &NodeTypeProcessingArrayMicrophone;
-
- /* playback types */
- if (TerminalDescriptor->wTerminalType == USB_AUDIO_SPEAKER_TERMINAL_TYPE)
- return &NodeTypeSpeaker;
- else if (TerminalDescriptor->wTerminalType == USB_HEADPHONES_SPEAKER_TERMINAL_TYPE)
- return &NodeTypeHeadphonesSpeaker;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_HMDA_TERMINAL_TYPE)
- return &NodeTypeHMDA;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_DESKTOP_SPEAKER_TERMINAL_TYPE)
- return &NodeTypeDesktopSpeaker;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_ROOM_SPEAKER_TERMINAL_TYPE)
- return &NodeTypeRoomSpeaker;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_COMMUNICATION_SPEAKER_TERMINAL_TYPE)
- return &NodeTypeCommunicationSpeaker;
- else if (TerminalDescriptor->wTerminalType == USB_AUDIO_SUBWOOFER_TERMINAL_TYPE)
- return &NodeTypeSubwoofer;
-
- if (TerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
- {
- if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_OUTPUT_TERMINAL)
- return &NodeTypeCapture;
- else if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_INPUT_TERMINAL)
- return &NodeTypePlayback;
-
- }
- return NULL;
-}
-
-USBAUDIO_STATUS
-UsbAudio_InitPinDescriptor(
- IN PUCHAR ConfigurationDescriptor,
- IN ULONG ConfigurationDescriptorLength,
- IN PKSPIN_DESCRIPTOR_EX PinDescriptor,
- IN ULONG TerminalCount,
- IN PUSB_COMMON_DESCRIPTOR * Descriptors,
- IN ULONG TerminalId)
-{
- PUSB_AUDIO_CONTROL_INPUT_TERMINAL_DESCRIPTOR TerminalDescriptor;
-
- TerminalDescriptor = UsbAudio_GetTerminalDescriptorById(Descriptors, TerminalCount, TerminalId);
- if (!TerminalDescriptor)
- {
- /* failed to find terminal descriptor */
- return UA_STATUS_UNSUCCESSFUL;
- }
-
- /* init pin descriptor */
- PinDescriptor->PinDescriptor.InterfacesCount = 1;
- PinDescriptor->PinDescriptor.Interfaces = &StandardPinInterface;
- PinDescriptor->PinDescriptor.MediumsCount = 1;
- PinDescriptor->PinDescriptor.Mediums = &StandardPinMedium;
- PinDescriptor->PinDescriptor.Category = UsbAudio_GetPinCategoryFromTerminalDescriptor(TerminalDescriptor);
-
- if (TerminalDescriptor->wTerminalType == USB_AUDIO_STREAMING_TERMINAL_TYPE)
- {
- if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_OUTPUT_TERMINAL)
- {
- PinDescriptor->PinDescriptor.Communication = KSPIN_COMMUNICATION_SINK;
- PinDescriptor->PinDescriptor.DataFlow = KSPIN_DATAFLOW_OUT;
- }
- else if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_INPUT_TERMINAL)
- {
- PinDescriptor->PinDescriptor.Communication = KSPIN_COMMUNICATION_SINK;
- PinDescriptor->PinDescriptor.DataFlow = KSPIN_DATAFLOW_IN;
- }
-
- /* irp sinks / sources can be instantiated */
- PinDescriptor->InstancesPossible = 1;
-
- }
- else if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_INPUT_TERMINAL)
- {
- PinDescriptor->PinDescriptor.Communication = KSPIN_COMMUNICATION_BRIDGE;
- PinDescriptor->PinDescriptor.DataFlow = KSPIN_DATAFLOW_IN;
- }
- else if (TerminalDescriptor->bDescriptorSubtype == USB_AUDIO_OUTPUT_TERMINAL)
- {
- PinDescriptor->PinDescriptor.Communication = KSPIN_COMMUNICATION_BRIDGE;
- PinDescriptor->PinDescriptor.DataFlow = KSPIN_DATAFLOW_OUT;
- }
-
- return UA_STATUS_SUCCESS;
-}
-
-USBAUDIO_STATUS
-UsbAudio_ParseConfigurationDescriptor(
- IN PUSBAUDIO_CONTEXT Context,
- IN PUCHAR ConfigurationDescriptor,
- IN ULONG ConfigurationDescriptorSize)
-{
- USBAUDIO_STATUS Status;
- PKSFILTER_DESCRIPTOR FilterDescriptor;
- PUSB_COMMON_DESCRIPTOR * Descriptors;
- PUSB_COMMON_DESCRIPTOR * InterfaceDescriptors;
- PULONG TerminalIds;
- ULONG Index, AudioControlInterfaceIndex;
- ULONG InterfaceCount, DescriptorCount, NewDescriptorCount;
- PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
-
-
- if (!Context || !ConfigurationDescriptor || !ConfigurationDescriptorSize)
- {
- /* invalid parameter */
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* count usb interface descriptors */
- Status = UsbAudio_CountInterfaceDescriptors(ConfigurationDescriptor, ConfigurationDescriptorSize, &InterfaceCount);
- if (Status != UA_STATUS_SUCCESS || InterfaceCount == 0)
- {
- /* invalid parameter */
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* construct interface array */
- Status = UsbAudio_CreateInterfaceDescriptorsArray(Context, ConfigurationDescriptor, ConfigurationDescriptorSize, InterfaceCount, &InterfaceDescriptors);
- if (Status != UA_STATUS_SUCCESS)
- {
- /* invalid parameter */
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* get audio control interface index */
- AudioControlInterfaceIndex = UsbAudio_GetAudioControlInterfaceIndex(InterfaceDescriptors, InterfaceCount);
- if (AudioControlInterfaceIndex == MAXULONG)
- {
- /* invalid configuration descriptor */
- Context->Free(InterfaceDescriptors);
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* count audio terminal descriptors */
- Status = UsbAudio_CountAudioDescriptors(ConfigurationDescriptor, ConfigurationDescriptorSize, InterfaceDescriptors, InterfaceCount, AudioControlInterfaceIndex, &DescriptorCount);
- if (Status != UA_STATUS_SUCCESS || DescriptorCount == 0)
- {
- /* invalid parameter */
- Context->Free(InterfaceDescriptors);
- return UA_STATUS_INVALID_PARAMETER;
- }
-
- /* construct terminal descriptor array */
- Status = UsbAudio_CreateAudioDescriptorArray(Context, ConfigurationDescriptor, ConfigurationDescriptorSize, InterfaceDescriptors, InterfaceCount, AudioControlInterfaceIndex, DescriptorCount, &Descriptors);
- if (Status != UA_STATUS_SUCCESS)
- {
- /* no memory */
- Context->Free(InterfaceDescriptors);
- //DPRINT("[LIBUSBAUDIO] Failed to create descriptor array with %x\n", Status);
- return Status;
- }
-
- /* construct filter */
- FilterDescriptor = (PKSFILTER_DESCRIPTOR)Context->Alloc(sizeof(KSFILTER_DESCRIPTOR));
- if (!FilterDescriptor)
- {
- /* no memory */
- Context->Free(InterfaceDescriptors);
- Context->Free(Descriptors);
- return UA_STATUS_NO_MEMORY;
- }
-
-
- /* construct pin id array */
- TerminalIds = (PULONG)Context->Alloc(sizeof(ULONG) * DescriptorCount);
- if (!TerminalIds)
- {
- /* no memory */
- Context->Free(InterfaceDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- return UA_STATUS_NO_MEMORY;
- }
-
- /* now assign terminal ids */
- Status = UsbAudio_AssignTerminalIds(Context, DescriptorCount, Descriptors, TerminalIds, &NewDescriptorCount);
- if(Status != UA_STATUS_SUCCESS || NewDescriptorCount == 0)
- {
- /* failed to initialize */
- Context->Free(InterfaceDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- Context->Free(TerminalIds);
- DPRINT1("[LIBUSBAUDIO] Failed to assign terminal ids with %x DescriptorCount %lx\n", Status, DescriptorCount);
- return UA_STATUS_UNSUCCESSFUL;
- }
-
-
- /* init filter */
- FilterDescriptor->Version = KSFILTER_DESCRIPTOR_VERSION;
- FilterDescriptor->Flags = 0; /* FIXME */
- FilterDescriptor->PinDescriptorsCount = NewDescriptorCount;
- FilterDescriptor->PinDescriptorSize = sizeof(KSPIN_DESCRIPTOR_EX);
- FilterDescriptor->PinDescriptors = Context->Alloc(sizeof(KSPIN_DESCRIPTOR_EX) * FilterDescriptor->PinDescriptorsCount);
- if (!FilterDescriptor->PinDescriptors)
- {
- /* no memory */
- Context->Free(InterfaceDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- Context->Free(TerminalIds);
- return UA_STATUS_NO_MEMORY;
- }
-
- /* now init pin properties */
- for(Index = 0; Index < FilterDescriptor->PinDescriptorsCount; Index++)
- {
- /* now init every pin descriptor */
- Status = UsbAudio_InitPinDescriptor(ConfigurationDescriptor, ConfigurationDescriptorSize, (PKSPIN_DESCRIPTOR_EX)&FilterDescriptor->PinDescriptors[Index], DescriptorCount, Descriptors, TerminalIds[Index]);
- if (Status != UA_STATUS_SUCCESS)
- break;
- }
-
- if (Status != UA_STATUS_SUCCESS)
- {
- /* failed to init pin descriptor */
- Context->Free(InterfaceDescriptors);
- Context->Free((PVOID)FilterDescriptor->PinDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- Context->Free(TerminalIds);
- DPRINT1("[LIBUSBAUDIO] Failed to init pin with %x\n", Status);
- return Status;
- }
-
-
- /* now assign data ranges to the pins */
- for(Index = 0; Index < InterfaceCount; Index++)
- {
- /* get descriptor */
- InterfaceDescriptor = (PUSB_INTERFACE_DESCRIPTOR)InterfaceDescriptors[Index];
-
- /* sanity check */
- ASSERT(InterfaceDescriptor->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE);
- DPRINT1("InterfaceNumber %d bInterfaceClass %x bInterfaceSubClass %x\n", InterfaceDescriptor->bInterfaceNumber, InterfaceDescriptor->bInterfaceClass, InterfaceDescriptor->bInterfaceSubClass);
-
- if (InterfaceDescriptor->bInterfaceClass != 0x01 && InterfaceDescriptor->bInterfaceSubClass != 0x02)
- continue;
-
- /* assign data ranges */
- Status = UsbAudio_AssignDataRanges(Context, ConfigurationDescriptor, ConfigurationDescriptorSize, FilterDescriptor, InterfaceDescriptors, InterfaceCount, Index, TerminalIds);
- if (Status != UA_STATUS_SUCCESS)
- break;
- }
-
- if (Status != UA_STATUS_SUCCESS)
- {
- /* failed to init pin descriptor */
- Context->Free(InterfaceDescriptors);
- Context->Free((PVOID)FilterDescriptor->PinDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- Context->Free(TerminalIds);
- return Status;
- }
-
-
-
- if (Status != UA_STATUS_SUCCESS)
- {
- /* failed to init pin descriptor */
- Context->Free(InterfaceDescriptors);
- Context->Free((PVOID)FilterDescriptor->PinDescriptors);
- Context->Free(FilterDescriptor);
- Context->Free(Descriptors);
- Context->Free(TerminalIds);
- return Status;
- }
-
- Context->Context = FilterDescriptor;
- return Status;
-
-}
-
-USBAUDIO_STATUS
-UsbAudio_GetFilter(
- IN PUSBAUDIO_CONTEXT Context,
- OUT PVOID * OutFilterDescriptor)
-{
- if (!OutFilterDescriptor)
- return UA_STATUS_INVALID_PARAMETER;
-
- *OutFilterDescriptor = Context->Context;
- return UA_STATUS_SUCCESS;
-}
\ No newline at end of file
projects / reactos.git / commitdiff