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Subject: media: uvcvideo: Add UVC_GUID_FORMAT_H265 Author: James_Lin <[email protected]> Date: Mon Apr 18 11:06:52 2022 +0200 This patch aims to add UVC_GUID_FORMAT_H265 High Efficiency Video Coding (HEVC), also known as H.265 and MPEG-H Part 2. They describe the same video encoding method. So for handling their behavior is the same. However, when external camera device describes this encoding method, some use hevc, some use h265. There is no uniform specification to describe this encoding method. So if an external camera device use h265 to describe this encoding method, driver will not recognize it. Therefore, this patch is to enable driver to read HEVC/H265 and convert it to V4L2_PIX_FMT_HEVC. Signed-off-by: James_Lin <[email protected]> Reviewed-by: Ricardo Ribalda <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/usb/uvc/uvc_driver.c | 5 +++++ drivers/media/usb/uvc/uvcvideo.h | 3 +++ 2 files changed, 8 insertions(+) --- diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index c780394059e7..6c86faecbea2 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -154,6 +154,11 @@ static struct uvc_format_desc uvc_fmts[] = { .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, diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 28eb337a6cfb..c5b4febd2d94 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -139,6 +139,9 @@ #define UVC_GUID_FORMAT_H264 \ { 'H', '2', '6', '4', 0x00, 0x00, 0x10, 0x00, \ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} +#define UVC_GUID_FORMAT_H265 \ + { 'H', '2', '6', '5', 0x00, 0x00, 0x10, 0x00, \ + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} #define UVC_GUID_FORMAT_Y8I \ { 'Y', '8', 'I', ' ', 0x00, 0x00, 0x10, 0x00, \ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71} _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
