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esp32-s2_dfu/src/class/video/video.h

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/*
* The MIT License (MIT)
*
* Copyright (c) 2021 Koji KITAYAMA
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#ifndef TUSB_VIDEO_H_
#define TUSB_VIDEO_H_
#include "common/tusb_common.h"
// Table 3-19 Color Matching Descriptor
typedef enum {
VIDEO_COLOR_PRIMARIES_UNDEFINED = 0x00,
VIDEO_COLOR_PRIMARIES_BT709, // sRGB (default)
VIDEO_COLOR_PRIMARIES_BT470_2M,
VIDEO_COLOR_PRIMARIES_BT470_2BG,
VIDEO_COLOR_PRIMARIES_SMPTE170M,
VIDEO_COLOR_PRIMARIES_SMPTE240M,
} video_color_primaries_t;
// Table 3-19 Color Matching Descriptor
typedef enum {
VIDEO_COLOR_XFER_CH_UNDEFINED = 0x00,
VIDEO_COLOR_XFER_CH_BT709, // default
VIDEO_COLOR_XFER_CH_BT470_2M,
VIDEO_COLOR_XFER_CH_BT470_2BG,
VIDEO_COLOR_XFER_CH_SMPTE170M,
VIDEO_COLOR_XFER_CH_SMPTE240M,
VIDEO_COLOR_XFER_CH_LINEAR,
VIDEO_COLOR_XFER_CH_SRGB,
} video_color_transfer_characteristics_t;
// Table 3-19 Color Matching Descriptor
typedef enum {
VIDEO_COLOR_COEF_UNDEFINED = 0x00,
VIDEO_COLOR_COEF_BT709,
VIDEO_COLOR_COEF_FCC,
VIDEO_COLOR_COEF_BT470_2BG,
VIDEO_COLOR_COEF_SMPTE170M, // BT.601 default
VIDEO_COLOR_COEF_SMPTE240M,
} video_color_matrix_coefficients_t;
/* 4.2.1.2 Request Error Code Control */
typedef enum {
VIDEO_ERROR_NONE = 0, /* The request succeeded. */
VIDEO_ERROR_NOT_READY,
VIDEO_ERROR_WRONG_STATE,
VIDEO_ERROR_POWER,
VIDEO_ERROR_OUT_OF_RANGE,
VIDEO_ERROR_INVALID_UNIT,
VIDEO_ERROR_INVALID_CONTROL,
VIDEO_ERROR_INVALID_REQUEST,
VIDEO_ERROR_INVALID_VALUE_WITHIN_RANGE,
VIDEO_ERROR_UNKNOWN = 0xFF,
} video_error_code_t;
/* A.2 Interface Subclass */
typedef enum {
VIDEO_SUBCLASS_UNDEFINED = 0x00,
VIDEO_SUBCLASS_CONTROL,
VIDEO_SUBCLASS_STREAMING,
VIDEO_SUBCLASS_INTERFACE_COLLECTION,
} video_subclass_type_t;
/* A.3 Interface Protocol */
typedef enum {
VIDEO_ITF_PROTOCOL_UNDEFINED = 0x00,
VIDEO_ITF_PROTOCOL_15,
} video_interface_protocol_code_t;
/* A.5 Class-Specific VideoControl Interface Descriptor Subtypes */
typedef enum {
VIDEO_CS_ITF_VC_UNDEFINED = 0x00,
VIDEO_CS_ITF_VC_HEADER,
VIDEO_CS_ITF_VC_INPUT_TERMINAL,
VIDEO_CS_ITF_VC_OUTPUT_TERMINAL,
VIDEO_CS_ITF_VC_SELECTOR_UNIT,
VIDEO_CS_ITF_VC_PROCESSING_UNIT,
VIDEO_CS_ITF_VC_EXTENSION_UNIT,
VIDEO_CS_ITF_VC_ENCODING_UNIT,
VIDEO_CS_ITF_VC_MAX,
} video_cs_vc_interface_subtype_t;
/* A.6 Class-Specific VideoStreaming Interface Descriptor Subtypes */
typedef enum {
VIDEO_CS_ITF_VS_UNDEFINED = 0x00,
VIDEO_CS_ITF_VS_INPUT_HEADER = 0x01,
VIDEO_CS_ITF_VS_OUTPUT_HEADER = 0x02,
VIDEO_CS_ITF_VS_STILL_IMAGE_FRAME = 0x03,
VIDEO_CS_ITF_VS_FORMAT_UNCOMPRESSED = 0x04,
VIDEO_CS_ITF_VS_FRAME_UNCOMPRESSED = 0x05,
VIDEO_CS_ITF_VS_FORMAT_MJPEG = 0x06,
VIDEO_CS_ITF_VS_FRAME_MJPEG = 0x07,
VIDEO_CS_ITF_VS_FORMAT_MPEG2TS = 0x0A,
VIDEO_CS_ITF_VS_FORMAT_DV = 0x0C,
VIDEO_CS_ITF_VS_COLORFORMAT = 0x0D,
VIDEO_CS_ITF_VS_FORMAT_FRAME_BASED = 0x10,
VIDEO_CS_ITF_VS_FRAME_FRAME_BASED = 0x11,
VIDEO_CS_ITF_VS_FORMAT_STREAM_BASED = 0x12,
VIDEO_CS_ITF_VS_FORMAT_H264 = 0x13,
VIDEO_CS_ITF_VS_FRAME_H264 = 0x14,
VIDEO_CS_ITF_VS_FORMAT_H264_SIMULCAST = 0x15,
VIDEO_CS_ITF_VS_FORMAT_VP8 = 0x16,
VIDEO_CS_ITF_VS_FRAME_VP8 = 0x17,
VIDEO_CS_ITF_VS_FORMAT_VP8_SIMULCAST = 0x18,
} video_cs_vs_interface_subtype_t;
/* A.7. Class-Specific Endpoint Descriptor Subtypes */
typedef enum {
VIDEO_CS_EP_UNDEFINED = 0x00,
VIDEO_CS_EP_GENERAL,
VIDEO_CS_EP_ENDPOINT,
VIDEO_CS_EP_INTERRUPT
} video_cs_ep_subtype_t;
/* A.8 Class-Specific Request Codes */
typedef enum {
VIDEO_REQUEST_UNDEFINED = 0x00,
VIDEO_REQUEST_SET_CUR = 0x01,
VIDEO_REQUEST_SET_CUR_ALL = 0x11,
VIDEO_REQUEST_GET_CUR = 0x81,
VIDEO_REQUEST_GET_MIN = 0x82,
VIDEO_REQUEST_GET_MAX = 0x83,
VIDEO_REQUEST_GET_RES = 0x84,
VIDEO_REQUEST_GET_LEN = 0x85,
VIDEO_REQUEST_GET_INFO = 0x86,
VIDEO_REQUEST_GET_DEF = 0x87,
VIDEO_REQUEST_GET_CUR_ALL = 0x91,
VIDEO_REQUEST_GET_MIN_ALL = 0x92,
VIDEO_REQUEST_GET_MAX_ALL = 0x93,
VIDEO_REQUEST_GET_RES_ALL = 0x94,
VIDEO_REQUEST_GET_DEF_ALL = 0x97
} video_control_request_t;
/* A.9.1 VideoControl Interface Control Selectors */
typedef enum {
VIDEO_VC_CTL_UNDEFINED = 0x00,
VIDEO_VC_CTL_VIDEO_POWER_MODE,
VIDEO_VC_CTL_REQUEST_ERROR_CODE,
} video_interface_control_selector_t;
/* A.9.8 VideoStreaming Interface Control Selectors */
typedef enum {
VIDEO_VS_CTL_UNDEFINED = 0x00,
VIDEO_VS_CTL_PROBE,
VIDEO_VS_CTL_COMMIT,
VIDEO_VS_CTL_STILL_PROBE,
VIDEO_VS_CTL_STILL_COMMIT,
VIDEO_VS_CTL_STILL_IMAGE_TRIGGER,
VIDEO_VS_CTL_STREAM_ERROR_CODE,
VIDEO_VS_CTL_GENERATE_KEY_FRAME,
VIDEO_VS_CTL_UPDATE_FRAME_SEGMENT,
VIDEO_VS_CTL_SYNCH_DELAY_CONTROL,
} video_interface_streaming_selector_t;
/* B. Terminal Types */
typedef enum {
// Terminal
VIDEO_TT_VENDOR_SPECIFIC = 0x0100,
VIDEO_TT_STREAMING = 0x0101,
// Input
VIDEO_ITT_VENDOR_SPECIFIC = 0x0200,
VIDEO_ITT_CAMERA = 0x0201,
VIDEO_ITT_MEDIA_TRANSPORT_INPUT = 0x0202,
// Output
VIDEO_OTT_VENDOR_SPECIFIC = 0x0300,
VIDEO_OTT_DISPLAY = 0x0301,
VIDEO_OTT_MEDIA_TRANSPORT_OUTPUT = 0x0302,
// External
VIDEO_ETT_VENDOR_SPEIFIC = 0x0400,
VIDEO_ETT_COMPOSITE_CONNECTOR = 0x0401,
VIDEO_ETT_SVIDEO_CONNECTOR = 0x0402,
VIDEO_ETT_COMPONENT_CONNECTOR = 0x0403,
} video_terminal_type_t;
//--------------------------------------------------------------------+
// Descriptors
//--------------------------------------------------------------------+
/* 2.3.4.2 */
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint16_t bcdUVC;
uint16_t wTotalLength;
uint32_t dwClockFrequency;
uint8_t bInCollection;
uint8_t baInterfaceNr[];
} tusb_desc_cs_video_ctl_itf_hdr_t;
/* 2.4.3.3 */
typedef struct TU_ATTR_PACKED {
uint8_t bHeaderLength;
union {
uint8_t bmHeaderInfo;
struct {
uint8_t FrameID: 1;
uint8_t EndOfFrame: 1;
uint8_t PresentationTime: 1;
uint8_t SourceClockReference: 1;
uint8_t PayloadSpecific: 1;
uint8_t StillImage: 1;
uint8_t Error: 1;
uint8_t EndOfHeader: 1;
};
};
} tusb_video_payload_header_t;
/* 3.9.2.1 */
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bmInfo;
uint8_t bTerminalLink;
uint8_t bStillCaptureMethod;
uint8_t bTriggerSupport;
uint8_t bTriggerUsage;
uint8_t bControlSize;
uint8_t bmaControls[];
} tusb_desc_cs_video_stm_itf_in_hdr_t;
/* 3.9.2.2 */
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
uint8_t bTerminalLink;
uint8_t bControlSize;
uint8_t bmaControls[];
} tusb_desc_cs_video_stm_itf_out_hdr_t;
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bNumFormats;
uint16_t wTotalLength;
uint8_t bEndpointAddress;
union {
struct {
uint8_t bmInfo;
uint8_t bTerminalLink;
uint8_t bStillCaptureMethod;
uint8_t bTriggerSupport;
uint8_t bTriggerUsage;
uint8_t bControlSize;
uint8_t bmaControls[];
} input;
struct {
uint8_t bEndpointAddress;
uint8_t bTerminalLink;
uint8_t bControlSize;
uint8_t bmaControls[];
} output;
};
} tusb_desc_cs_video_stm_itf_hdr_t;
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bFormatIndex;
uint8_t bNumFrameDescriptors;
uint8_t guidFormat[16];
uint8_t bBitsPerPixel;
uint8_t bDefaultFrameIndex;
uint8_t bAspectRatioX;
uint8_t bAspectRatioY;
uint8_t bmInterlaceFlags;
uint8_t bCopyProtect;
} tusb_desc_cs_video_fmt_uncompressed_t;
typedef struct TU_ATTR_PACKED {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDescriptorSubType;
uint8_t bFrameIndex;
uint8_t bmCapabilities;
uint16_t wWidth;
uint16_t wHeight;
uint32_t dwMinBitRate;
uint32_t dwMaxBitRate;
uint32_t dwMaxVideoFrameBufferSize; /* deprecated */
uint32_t dwDefaultFrameInterval;
uint8_t bFrameIntervalType;
uint32_t dwFrameInterval[];
} tusb_desc_cs_video_frm_uncompressed_t;
//--------------------------------------------------------------------+
// Requests
//--------------------------------------------------------------------+
/* 4.3.1.1 */
typedef struct TU_ATTR_PACKED {
union {
uint8_t bmHint;
struct TU_ATTR_PACKED {
uint16_t dwFrameInterval: 1;
uint16_t wKeyFrameRatel : 1;
uint16_t wPFrameRate : 1;
uint16_t wCompQuality : 1;
uint16_t wCompWindowSize: 1;
uint16_t : 0;
} Hint;
};
uint8_t bFormatIndex;
uint8_t bFrameIndex;
uint32_t dwFrameInterval;
uint16_t wKeyFrameRate;
uint16_t wPFrameRate;
uint16_t wCompQuality;
uint16_t wCompWindowSize;
uint16_t wDelay;
uint32_t dwMaxVideoFrameSize;
uint32_t dwMaxPayloadTransferSize;
uint32_t dwClockFrequency;
union {
uint8_t bmFramingInfo;
struct TU_ATTR_PACKED {
uint8_t FrameID : 1;
uint8_t EndOfFrame: 1;
uint8_t EndOfSlice: 1;
uint8_t : 0;
} FramingInfo;
};
uint8_t bPreferedVersion;
uint8_t bMinVersion;
uint8_t bMaxVersion;
uint8_t bUsage;
uint8_t bBitDepthLuma;
uint8_t bmSettings;
uint8_t bMaxNumberOfRefFramesPlus1;
uint16_t bmRateControlModes;
uint64_t bmLayoutPerStream;
} video_probe_and_commit_control_t;
TU_VERIFY_STATIC( sizeof(video_probe_and_commit_control_t) == 48, "size is not correct");
#define TUD_VIDEO_DESC_IAD_LEN 8
#define TUD_VIDEO_DESC_STD_VC_LEN 9
#define TUD_VIDEO_DESC_CS_VC_LEN 12
#define TUD_VIDEO_DESC_INPUT_TERM_LEN 8
#define TUD_VIDEO_DESC_OUTPUT_TERM_LEN 9
#define TUD_VIDEO_DESC_CAMERA_TERM_LEN 18
#define TUD_VIDEO_DESC_STD_VS_LEN 9
#define TUD_VIDEO_DESC_CS_VS_IN_LEN 13
#define TUD_VIDEO_DESC_CS_VS_OUT_LEN 9
#define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN 27
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN 38
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_DISC_LEN 26
#define TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN 6
/* 2.2 compression formats */
#define TUD_VIDEO_GUID_YUY2 0x59,0x55,0x59,0x32,0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
#define TUD_VIDEO_GUID_NV12 0x4E,0x56,0x31,0x32,0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
#define TUD_VIDEO_GUID_M420 0x4D,0x34,0x32,0x30,0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
#define TUD_VIDEO_GUID_I420 0x49,0x34,0x32,0x30,0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
#define TUD_VIDEO_DESC_IAD(_firstitfs, _nitfs, _stridx) \
TUD_VIDEO_DESC_IAD_LEN, TUSB_DESC_INTERFACE_ASSOCIATION, \
_firstitfs, _nitfs, TUSB_CLASS_VIDEO, VIDEO_SUBCLASS_INTERFACE_COLLECTION, \
VIDEO_ITF_PROTOCOL_UNDEFINED, _stridx
#define TUD_VIDEO_DESC_STD_VC(_itfnum, _nEPs, _stridx) \
TUD_VIDEO_DESC_STD_VC_LEN, TUSB_DESC_INTERFACE, _itfnum, /* fixed to zero */ 0x00, \
_nEPs, TUSB_CLASS_VIDEO, VIDEO_SUBCLASS_CONTROL, VIDEO_ITF_PROTOCOL_15, _stridx
/* 3.7.2 */
#define TUD_VIDEO_DESC_CS_VC(_bcdUVC, _totallen, _clkfreq, ...) \
TUD_VIDEO_DESC_CS_VC_LEN + (TU_ARGS_NUM(__VA_ARGS__)), TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VC_HEADER, \
U16_TO_U8S_LE(_bcdUVC), U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VC_LEN + (TU_ARGS_NUM(__VA_ARGS__))), \
U32_TO_U8S_LE(_clkfreq), TU_ARGS_NUM(__VA_ARGS__), __VA_ARGS__
/* 3.7.2.1 */
#define TUD_VIDEO_DESC_INPUT_TERM(_tid, _tt, _at, _stridx) \
TUD_VIDEO_DESC_INPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VC_INPUT_TERMINAL, \
_tid, U16_TO_U8S_LE(_tt), _at, _stridx
/* 3.7.2.2 */
#define TUD_VIDEO_DESC_OUTPUT_TERM(_tid, _tt, _at, _srcid, _stridx) \
TUD_VIDEO_DESC_OUTPUT_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VC_OUTPUT_TERMINAL, \
_tid, U16_TO_U8S_LE(_tt), _at, _srcid, _stridx
/* 3.7.2.3 */
#define TUD_VIDEO_DESC_CAMERA_TERM(_tid, _at, _stridx, _focal_min, _focal_max, _focal, _ctls) \
TUD_VIDEO_DESC_CAMERA_TERM_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VC_INPUT_TERMINAL, \
_tid, U16_TO_U8S_LE(VIDEO_ITT_CAMERA), _at, _stridx, \
U16_TO_U8S_LE(_focal_min), U16_TO_U8S_LE(_focal_max), U16_TO_U8S_LE(_focal), 3, \
TU_U32_BYTE0(_ctls), TU_U32_BYTE1(_ctls), TU_U32_BYTE2(_ctls)
/* 3.9.1 */
#define TUD_VIDEO_DESC_STD_VS(_itfnum, _alt, _epn, _stridx) \
TUD_VIDEO_DESC_STD_VS_LEN, TUSB_DESC_INTERFACE, _itfnum, _alt, \
_epn, TUSB_CLASS_VIDEO, VIDEO_SUBCLASS_STREAMING, VIDEO_ITF_PROTOCOL_15, _stridx
/* 3.9.2.1 */
#define TUD_VIDEO_DESC_CS_VS_INPUT(_numfmt, _totallen, _ep, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, ...) \
TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (TU_ARGS_NUM(__VA_ARGS__)), TUSB_DESC_CS_INTERFACE, \
VIDEO_CS_ITF_VS_INPUT_HEADER, _numfmt, \
U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VS_IN_LEN + (_numfmt) * (TU_ARGS_NUM(__VA_ARGS__))), \
_ep, _inf, _termlnk, _sticaptmeth, _trgspt, _trgusg, (TU_ARGS_NUM(__VA_ARGS__)), __VA_ARGS__
/* 3.9.2.2 */
#define TUD_VIDEO_DESC_CS_VS_OUTPUT(_numfmt, _totallen, _ep, _inf, _termlnk, ...) \
TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (TU_ARGS_NUM(__VA_ARGS__)), TUSB_DESC_CS_INTERFACE, \
VIDEO_CS_ITF_VS_OUTPUT_HEADER, _numfmt, \
U16_TO_U8S_LE((_totallen) + TUD_VIDEO_DESC_CS_VS_OUT_LEN + (_numfmt) * (TU_ARGS_NUM(__VA_ARGS__))), \
_ep, _inf, _termlnk, (TU_ARGS_NUM(__VA_ARGS__)), __VA_ARGS__
/* Uncompressed 3.1.1 */
#define TUD_VIDEO_GUID(_g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15) _g0,_g1,_g2,_g3,_g4,_g5,_g6,_g7,_g8,_g9,_g10,_g11,_g12,_g13,_g14,_g15
#define TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfrmdesc, \
_guid, _bitsperpix, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VS_FORMAT_UNCOMPRESSED, \
_fmtidx, _numfrmdesc, TUD_VIDEO_GUID(_guid), \
_bitsperpix, _frmidx, _asrx, _asry, _interlace, _cp
/* Uncompressed 3.1.2 Table 3-3 */
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT(_frmidx, _cap, _width, _height, _minbr, _maxbr, _maxfrmbufsz, _frminterval, _minfrminterval, _maxfrminterval, _frmintervalstep) \
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN, TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VS_FRAME_UNCOMPRESSED, \
_frmidx, _cap, U16_TO_U8S_LE(_width), U16_TO_U8S_LE(_height), U32_TO_U8S_LE(_minbr), U32_TO_U8S_LE(_maxbr), \
U32_TO_U8S_LE(_maxfrmbufsz), U32_TO_U8S_LE(_frminterval), 0, \
U32_TO_U8S_LE(_minfrminterval), U32_TO_U8S_LE(_maxfrminterval), U32_TO_U8S_LE(_frmintervalstep)
/* Uncompressed 3.1.2 Table 3-4 */
#define TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_DISC(_frmidx, _cap, _width, _height, _minbr, _maxbr, _maxfrmbufsz, _frminterval, ...) \
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_DISC_LEN + (TU_ARGS_NUM(__VA_ARGS__)) * 4, \
TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VS_FRAME_UNCOMPRESSED, \
_frmidx, _cap, U16_TO_U8S_LE(_width), U16_TO_U8S_LE(_height), U32_TO_U8S_LE(_minbr), U32_TO_U8S_LE(_maxbr), \
U32_TO_U8S_LE(_maxfrmbufsz), U32_TO_U8S_LE(_frminterval), (TU_ARGS_NUM(__VA_ARGS__)), __VA_ARGS__
/* 3.9.2.6 */
#define TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(_color, _trns, _mat) \
TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN, \
TUSB_DESC_CS_INTERFACE, VIDEO_CS_ITF_VS_COLORFORMAT, \
_color, _trns, _mat
/* 3.10.1.1 */
#define TUD_VIDEO_DESC_EP_ISO(_ep, _epsize, _ep_interval) \
7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_ISOCHRONOUS | TUSB_ISO_EP_ATT_ASYNCHRONOUS,\
U16_TO_U8S_LE(_epsize), _ep_interval
/* 3.10.1.2 */
#define TUD_VIDEO_DESC_EP_BULK(_ep, _epsize, _ep_interval) \
7, TUSB_DESC_ENDPOINT, _ep, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), _ep_interval
#endif
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