368 lines
10 KiB
C
368 lines
10 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* v4l2 uvc internal API header
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*
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* Some commonly needed functions for uvc drivers
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*/
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#ifndef __LINUX_V4L2_UVC_H
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#define __LINUX_V4L2_UVC_H
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/* ------------------------------------------------------------------------
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* GUIDs
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*/
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#define UVC_GUID_UVC_CAMERA \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}
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#define UVC_GUID_UVC_OUTPUT \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}
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#define UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
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#define UVC_GUID_UVC_PROCESSING \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01}
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#define UVC_GUID_UVC_SELECTOR \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02}
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#define UVC_GUID_EXT_GPIO_CONTROLLER \
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03}
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#define UVC_GUID_FORMAT_MJPEG \
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{ 'M', 'J', 'P', 'G', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_YUY2 \
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{ 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_YUY2_ISIGHT \
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{ 'Y', 'U', 'Y', '2', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0x00, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_NV12 \
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{ 'N', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_YV12 \
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{ 'Y', 'V', '1', '2', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_I420 \
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{ 'I', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_UYVY \
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{ 'U', 'Y', 'V', 'Y', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y800 \
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{ 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y8 \
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{ 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y10 \
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{ 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y12 \
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{ 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y16 \
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{ 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_BY8 \
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{ 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_BA81 \
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{ 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_GBRG \
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{ 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_GRBG \
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{ 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_RGGB \
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{ 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_BG16 \
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{ 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_GB16 \
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{ 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_RG16 \
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{ 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_GR16 \
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{ 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_RGBP \
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{ 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_BGR3 \
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{ 0x7d, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
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0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
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#define UVC_GUID_FORMAT_BGR4 \
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{ 0x7e, 0xeb, 0x36, 0xe4, 0x4f, 0x52, 0xce, 0x11, \
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0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}
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#define UVC_GUID_FORMAT_M420 \
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{ 'M', '4', '2', '0', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_H264 \
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{ 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_H265 \
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{ 'H', '2', '6', '5', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y8I \
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{ 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Y12I \
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{ 'Y', '1', '2', 'I', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_Z16 \
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{ 'Z', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_RW10 \
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{ 'R', 'W', '1', '0', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_INVZ \
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{ 'I', 'N', 'V', 'Z', 0x90, 0x2d, 0x58, 0x4a, \
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0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b}
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#define UVC_GUID_FORMAT_INZI \
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{ 'I', 'N', 'Z', 'I', 0x66, 0x1a, 0x42, 0xa2, \
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0x90, 0x65, 0xd0, 0x18, 0x14, 0xa8, 0xef, 0x8a}
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#define UVC_GUID_FORMAT_INVI \
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{ 'I', 'N', 'V', 'I', 0xdb, 0x57, 0x49, 0x5e, \
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0x8e, 0x3f, 0xf4, 0x79, 0x53, 0x2b, 0x94, 0x6f}
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#define UVC_GUID_FORMAT_CNF4 \
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{ 'C', ' ', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_D3DFMT_L8 \
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{0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_KSMEDIA_L8_IR \
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{0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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#define UVC_GUID_FORMAT_HEVC \
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{ 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \
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0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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/* ------------------------------------------------------------------------
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* Video formats
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*/
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struct uvc_format_desc {
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char *name;
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u8 guid[16];
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u32 fcc;
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};
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static struct uvc_format_desc uvc_fmts[] = {
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{
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.name = "YUV 4:2:2 (YUYV)",
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.guid = UVC_GUID_FORMAT_YUY2,
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.fcc = V4L2_PIX_FMT_YUYV,
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},
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{
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.name = "YUV 4:2:2 (YUYV)",
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.guid = UVC_GUID_FORMAT_YUY2_ISIGHT,
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.fcc = V4L2_PIX_FMT_YUYV,
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},
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{
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.name = "YUV 4:2:0 (NV12)",
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.guid = UVC_GUID_FORMAT_NV12,
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.fcc = V4L2_PIX_FMT_NV12,
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},
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{
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.name = "MJPEG",
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.guid = UVC_GUID_FORMAT_MJPEG,
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.fcc = V4L2_PIX_FMT_MJPEG,
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},
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{
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.name = "YVU 4:2:0 (YV12)",
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.guid = UVC_GUID_FORMAT_YV12,
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.fcc = V4L2_PIX_FMT_YVU420,
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},
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{
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.name = "YUV 4:2:0 (I420)",
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.guid = UVC_GUID_FORMAT_I420,
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.fcc = V4L2_PIX_FMT_YUV420,
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},
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{
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.name = "YUV 4:2:0 (M420)",
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.guid = UVC_GUID_FORMAT_M420,
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.fcc = V4L2_PIX_FMT_M420,
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},
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{
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.name = "YUV 4:2:2 (UYVY)",
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.guid = UVC_GUID_FORMAT_UYVY,
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.fcc = V4L2_PIX_FMT_UYVY,
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},
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{
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.name = "Greyscale 8-bit (Y800)",
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.guid = UVC_GUID_FORMAT_Y800,
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.fcc = V4L2_PIX_FMT_GREY,
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},
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{
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.name = "Greyscale 8-bit (Y8 )",
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.guid = UVC_GUID_FORMAT_Y8,
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.fcc = V4L2_PIX_FMT_GREY,
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},
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{
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.name = "Greyscale 8-bit (D3DFMT_L8)",
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.guid = UVC_GUID_FORMAT_D3DFMT_L8,
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.fcc = V4L2_PIX_FMT_GREY,
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},
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{
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.name = "IR 8-bit (L8_IR)",
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.guid = UVC_GUID_FORMAT_KSMEDIA_L8_IR,
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.fcc = V4L2_PIX_FMT_GREY,
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},
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{
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.name = "Greyscale 10-bit (Y10 )",
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.guid = UVC_GUID_FORMAT_Y10,
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.fcc = V4L2_PIX_FMT_Y10,
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},
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{
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.name = "Greyscale 12-bit (Y12 )",
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.guid = UVC_GUID_FORMAT_Y12,
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.fcc = V4L2_PIX_FMT_Y12,
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},
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{
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.name = "Greyscale 16-bit (Y16 )",
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.guid = UVC_GUID_FORMAT_Y16,
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.fcc = V4L2_PIX_FMT_Y16,
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},
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{
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.name = "BGGR Bayer (BY8 )",
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.guid = UVC_GUID_FORMAT_BY8,
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.fcc = V4L2_PIX_FMT_SBGGR8,
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},
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{
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.name = "BGGR Bayer (BA81)",
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.guid = UVC_GUID_FORMAT_BA81,
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.fcc = V4L2_PIX_FMT_SBGGR8,
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},
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{
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.name = "GBRG Bayer (GBRG)",
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.guid = UVC_GUID_FORMAT_GBRG,
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.fcc = V4L2_PIX_FMT_SGBRG8,
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},
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{
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.name = "GRBG Bayer (GRBG)",
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.guid = UVC_GUID_FORMAT_GRBG,
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.fcc = V4L2_PIX_FMT_SGRBG8,
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},
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{
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.name = "RGGB Bayer (RGGB)",
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.guid = UVC_GUID_FORMAT_RGGB,
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.fcc = V4L2_PIX_FMT_SRGGB8,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "RGB565",
|
||
|
|
.guid = UVC_GUID_FORMAT_RGBP,
|
||
|
|
.fcc = V4L2_PIX_FMT_RGB565,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "BGR 8:8:8 (BGR3)",
|
||
|
|
.guid = UVC_GUID_FORMAT_BGR3,
|
||
|
|
.fcc = V4L2_PIX_FMT_BGR24,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "BGRA/X 8:8:8:8 (BGR4)",
|
||
|
|
.guid = UVC_GUID_FORMAT_BGR4,
|
||
|
|
.fcc = V4L2_PIX_FMT_XBGR32,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "H.264",
|
||
|
|
.guid = UVC_GUID_FORMAT_H264,
|
||
|
|
.fcc = V4L2_PIX_FMT_H264,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "H.265",
|
||
|
|
.guid = UVC_GUID_FORMAT_H265,
|
||
|
|
.fcc = V4L2_PIX_FMT_HEVC,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Greyscale 8 L/R (Y8I)",
|
||
|
|
.guid = UVC_GUID_FORMAT_Y8I,
|
||
|
|
.fcc = V4L2_PIX_FMT_Y8I,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Greyscale 12 L/R (Y12I)",
|
||
|
|
.guid = UVC_GUID_FORMAT_Y12I,
|
||
|
|
.fcc = V4L2_PIX_FMT_Y12I,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Depth data 16-bit (Z16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_Z16,
|
||
|
|
.fcc = V4L2_PIX_FMT_Z16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bayer 10-bit (SRGGB10P)",
|
||
|
|
.guid = UVC_GUID_FORMAT_RW10,
|
||
|
|
.fcc = V4L2_PIX_FMT_SRGGB10P,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bayer 16-bit (SBGGR16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_BG16,
|
||
|
|
.fcc = V4L2_PIX_FMT_SBGGR16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bayer 16-bit (SGBRG16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_GB16,
|
||
|
|
.fcc = V4L2_PIX_FMT_SGBRG16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bayer 16-bit (SRGGB16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_RG16,
|
||
|
|
.fcc = V4L2_PIX_FMT_SRGGB16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Bayer 16-bit (SGRBG16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_GR16,
|
||
|
|
.fcc = V4L2_PIX_FMT_SGRBG16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Depth data 16-bit (Z16)",
|
||
|
|
.guid = UVC_GUID_FORMAT_INVZ,
|
||
|
|
.fcc = V4L2_PIX_FMT_Z16,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "Greyscale 10-bit (Y10 )",
|
||
|
|
.guid = UVC_GUID_FORMAT_INVI,
|
||
|
|
.fcc = V4L2_PIX_FMT_Y10,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "IR:Depth 26-bit (INZI)",
|
||
|
|
.guid = UVC_GUID_FORMAT_INZI,
|
||
|
|
.fcc = V4L2_PIX_FMT_INZI,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "4-bit Depth Confidence (Packed)",
|
||
|
|
.guid = UVC_GUID_FORMAT_CNF4,
|
||
|
|
.fcc = V4L2_PIX_FMT_CNF4,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.name = "HEVC",
|
||
|
|
.guid = UVC_GUID_FORMAT_HEVC,
|
||
|
|
.fcc = V4L2_PIX_FMT_HEVC,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16])
|
||
|
|
{
|
||
|
|
unsigned int len = ARRAY_SIZE(uvc_fmts);
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
for (i = 0; i < len; ++i) {
|
||
|
|
if (memcmp(guid, uvc_fmts[i].guid, 16) == 0)
|
||
|
|
return &uvc_fmts[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __LINUX_V4L2_UVC_H */
|