Commit be938c70 authored by James_Lin's avatar James_Lin Committed by Mauro Carvalho Chehab
Browse files

media: uvcvideo: Add UVC_GUID_FORMAT_H265 



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: default avatarJames_Lin <Ping-lei.Lin@mediatek.com>
Reviewed-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 5b9c75c7

drivers/media/usb/uvc/uvc_driver.c

+5 −0
Original line number Diff line number Diff line
@@ -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,

drivers/media/usb/uvc/uvcvideo.h

+3 −0
Original line number Diff line number Diff line
@@ -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}