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UPSTREAM: media: uvcvideo: Add UVC_GUID_FORMAT_H265

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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.

Change-Id: I8316ccbf09014d38eb1becbc3c5f54f29ad497b6
Signed-off-by: James_Lin <Ping-lei.Lin@mediatek.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: William Wu <william.wu@rock-chips.com>
(cherry picked from commit be938c70e2)
This commit is contained in:
James_Lin
2022-04-18 11:06:52 +02:00
committed by Tao Huang
parent 8edddd07cb
commit 82befae92c
2 changed files with 8 additions and 0 deletions
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5
drivers/media/usb/uvc/uvc_driver.c
View File

@@ -155,6 +155,11 @@ 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,

3
drivers/media/usb/uvc/uvcvideo.h
View File

@@ -133,6 +133,9 @@
#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}