reactos/sdk/lib/drivers/sound/libusbaudio/libusbaudio.h

   1 #pragma once
   2
   3 typedef enum
   4 {
   5     UA_STATUS_SUCCESS = 0,
   6     UA_STATUS_NOTINITIALIZED,
   7     UA_STATUS_NOT_IMPLEMENTED,
   8     UA_STATUS_NO_MORE_DEVICES,
   9     UA_STATUS_MORE_ENTRIES,
  10     UA_STATUS_INVALID_PARAMETER,
  11     UA_STATUS_UNSUCCESSFUL,
  12     UA_STATUS_NO_MEMORY
  13 }USBAUDIO_STATUS;
  14
  15 typedef PVOID (*PUSBAUDIO_ALLOC)(
  16     IN ULONG NumberOfBytes);
  17
  18 typedef VOID (*PUSBAUDIO_FREE)(
  19     IN PVOID Block);
  20
  21 typedef VOID (*PUSBAUDIO_COPY)(
  22     IN PVOID Dst,
  23     IN PVOID Src,
  24     IN ULONG Length);
  25
  26 typedef struct
  27 {
  28     ULONG Size;
  29     PVOID Context;
  30
  31     PUSBAUDIO_ALLOC Alloc;
  32     PUSBAUDIO_FREE  Free;
  33     PUSBAUDIO_COPY  Copy;
  34
  35
  36 }USBAUDIO_CONTEXT, *PUSBAUDIO_CONTEXT;
  37
  38 USBAUDIO_STATUS
  39 UsbAudio_InitializeContext(
  40     IN PUSBAUDIO_CONTEXT Context,
  41     IN PUSBAUDIO_ALLOC Alloc,
  42     IN PUSBAUDIO_FREE Free,
  43     IN PUSBAUDIO_COPY Copy);
  44
  45
  46 USBAUDIO_STATUS
  47 UsbAudio_ParseConfigurationDescriptor(
  48     IN PUSBAUDIO_CONTEXT Context,
  49     IN PUCHAR ConfigurationDescriptor,
  50     IN ULONG ConfigurationDescriptorSize);
  51
  52 USBAUDIO_STATUS
  53 UsbAudio_GetFilter(
  54     IN PUSBAUDIO_CONTEXT Context,
  55     OUT PVOID * OutFilterDescriptor);
  56