/*
 * Copyright 2011, Haiku Inc. All Rights Reserved.
 * Copyright 2009, Ithamar Adema, <ithamar.adema@team-embedded.nl>.
 * Distributed under the terms of the MIT License.
 */
#ifndef _USB_VIDEO_H
#define _USB_VIDEO_H


#define VC_CONTROL_UNDEFINED            0x0
#define VC_VIDEO_POWER_MODE_CONTROL     0x1
#define VC_REQUEST_ERROR_CODE_CONTROL   0x2

typedef struct usbvc_class_descriptor {
        uint8   length;
        uint8   descriptorType;
        uint8   descriptorSubtype;
} _PACKED usbvc_class_descriptor;

typedef uint8 usbvc_guid[16];

struct usbvc_format_descriptor {
        uint8   length;
        uint8   descriptorType;
        uint8   descriptorSubtype;
        uint8   formatIndex;
        uint8   numFrameDescriptors;
        union {
                struct {
                        usbvc_guid format;
                        uint8   bytesPerPixel;
                        uint8   defaultFrameIndex;
                        uint8   aspectRatioX;
                        uint8   aspectRatioY;
                        uint8   interlaceFlags;
                        uint8   copyProtect;
                } uncompressed;
                struct {
                        uint8   flags;
                        uint8   defaultFrameIndex;
                        uint8   aspectRatioX;
                        uint8   aspectRatioY;
                        uint8   interlaceFlags;
                        uint8   copyProtect;
                } mjpeg;
        };
} _PACKED;

struct usbvc_interface_header_descriptor {
        uint8   length;
        uint8   descriptorType;
        uint8   descriptorSubtype;
        uint16  version;
        uint16  totalLength;
        uint32  clockFrequency;
        uint8   numInterfacesNumbers;
        uint8   interfaceNumbers[0];
} _PACKED;

struct usbvc_input_terminal_descriptor {
        uint8   length;
        uint8   descriptorType;
        uint8   descriptorSubtype;
        uint8   terminalID;
        uint16  terminalType;
        uint8   associatedTerminal;
        uint8   terminal;
} _PACKED;


#endif /* _USB_VIDEO_H */