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usb_descriptors.h
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usb_descriptors.h
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/*
* The MIT License (MIT)
*
* Copyright (c) 2020 Jerzy Kasenbreg
* 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.
*
*/
#ifndef _USB_DESCRIPTORS_H_
#define _USB_DESCRIPTORS_H_
/* Time stamp base clock. It is a deprecated parameter. */
#define UVC_CLOCK_FREQUENCY 27000000
/* video capture path */
#define UVC_ENTITY_CAP_INPUT_TERMINAL 0x01
#define UVC_ENTITY_CAP_OUTPUT_TERMINAL 0x02
#define FRAME_WIDTH 128
#define FRAME_HEIGHT 96
#define FRAME_RATE 10
enum {
ITF_NUM_VIDEO_CONTROL = 0,
ITF_NUM_VIDEO_STREAMING,
ITF_NUM_TOTAL
};
#define TUD_VIDEO_CAPTURE_DESC_LEN (\
TUD_VIDEO_DESC_IAD_LEN\
/* control */\
+ TUD_VIDEO_DESC_STD_VC_LEN\
+ (TUD_VIDEO_DESC_CS_VC_LEN + 1/*bInCollection*/)\
+ TUD_VIDEO_DESC_INPUT_TERM_LEN\
+ TUD_VIDEO_DESC_OUTPUT_TERM_LEN\
/* Interface 1, Alternate 0 */\
+ TUD_VIDEO_DESC_STD_VS_LEN\
+ (TUD_VIDEO_DESC_CS_VS_IN_LEN + 1/*bNumFormats x bControlSize*/)\
+ TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN\
+ TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN\
+ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN\
/* Interface 1, Alternate 1 */\
+ TUD_VIDEO_DESC_STD_VS_LEN\
+ 7/* Endpoint */\
)
/* Windows support YUY2 and NV12
* https://docs.microsoft.com/en-us/windows-hardware/drivers/stream/usb-video-class-driver-overview */
#define TUD_VIDEO_DESC_CS_VS_FMT_YUY2(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_YUY2, 16, _frmidx, _asrx, _asry, _interlace, _cp)
#define TUD_VIDEO_DESC_CS_VS_FMT_NV12(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_NV12, 12, _frmidx, _asrx, _asry, _interlace, _cp)
#define TUD_VIDEO_DESC_CS_VS_FMT_M420(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_M420, 12, _frmidx, _asrx, _asry, _interlace, _cp)
#define TUD_VIDEO_DESC_CS_VS_FMT_I420(_fmtidx, _numfmtdesc, _frmidx, _asrx, _asry, _interlace, _cp) \
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR(_fmtidx, _numfmtdesc, TUD_VIDEO_GUID_I420, 12, _frmidx, _asrx, _asry, _interlace, _cp)
#define TUD_VIDEO_CAPTURE_DESCRIPTOR(_stridx, _epin, _width, _height, _fps, _epsize) \
TUD_VIDEO_DESC_IAD(ITF_NUM_VIDEO_CONTROL, ITF_NUM_TOTAL, _stridx), \
/* Video control 0 */ \
TUD_VIDEO_DESC_STD_VC(ITF_NUM_VIDEO_CONTROL, 0, _stridx), \
TUD_VIDEO_DESC_CS_VC( /* UVC 1.5*/ 0x0150, \
/* wTotalLength - bLength */ \
TUD_VIDEO_DESC_INPUT_TERM_LEN + TUD_VIDEO_DESC_OUTPUT_TERM_LEN, \
UVC_CLOCK_FREQUENCY, 1), \
TUD_VIDEO_DESC_INPUT_TERM(UVC_ENTITY_CAP_INPUT_TERMINAL, VIDEO_ETT_COMPOSITE_CONNECTOR, 0, 0), \
TUD_VIDEO_DESC_OUTPUT_TERM(UVC_ENTITY_CAP_OUTPUT_TERMINAL, VIDEO_TT_STREAMING, 0, 1, 0), \
/* Video stream alt. 0 */ \
TUD_VIDEO_DESC_STD_VS( 1, 0, 0, 0), \
/* Video stream header for without still image capture */ \
TUD_VIDEO_DESC_CS_VS_INPUT( /*bNumFormats*/1, \
/*wTotalLength - bLength */\
TUD_VIDEO_DESC_CS_VS_FMT_UNCOMPR_LEN\
+ TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT_LEN\
+ TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING_LEN,\
_epin, /*bmInfo*/0, /*bTerminalLink*/UVC_ENTITY_CAP_OUTPUT_TERMINAL, \
/*bStillCaptureMethod*/0, /*bTriggerSupport*/0, /*bTriggerUsage*/0, \
/*bmaControls(1)*/0), \
/* Video stream format */ \
TUD_VIDEO_DESC_CS_VS_FMT_YUY2(/*bFormatIndex*/1, /*bNumFrameDescriptors*/1, \
/*bDefaultFrameIndex*/1, 0, 0, 0, /*bCopyProtect*/0), \
/* Video stream frame format */ \
TUD_VIDEO_DESC_CS_VS_FRM_UNCOMPR_CONT(/*bFrameIndex */1, 0, _width, _height, \
_width * _height * 16, _width * _height * 16 * _fps, \
_width * _height * 16, \
(10000000/_fps), (10000000/_fps), 10000000, 100000), \
TUD_VIDEO_DESC_CS_VS_COLOR_MATCHING(VIDEO_COLOR_PRIMARIES_BT709, VIDEO_COLOR_XFER_CH_BT709, VIDEO_COLOR_COEF_SMPTE170M), \
/* VS alt 1 */\
TUD_VIDEO_DESC_STD_VS(1, 1, 1, 0), \
/* EP */ \
TUD_VIDEO_DESC_EP_ISO(_epin, _epsize, 1)
#endif