[RFC PATCH] uvcvideo: Add mapping for HEVC payloads

From: Dmitry Buzdyk
Date: Thu May 28 2020 - 21:05:59 EST


Add HEVC GUID and assotiate with HEVC pixel format so that frame
based format descriptors recognized by the UVC video driver.

Signed-off-by: Dmitry Buzdyk <dima.buzdyk@xxxxxxxxx>
---
drivers/media/usb/uvc/uvc_driver.c | 5 +++++
drivers/media/usb/uvc/uvcvideo.h | 4 ++++
2 files changed, 9 insertions(+)

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 431d86e1c94b..825ee3601661 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -214,6 +214,11 @@ static struct uvc_format_desc uvc_fmts[] = {
.guid = UVC_GUID_FORMAT_CNF4,
.fcc = V4L2_PIX_FMT_CNF4,
},
+ {
+ .name = "HEVC",
+ .guid = UVC_GUID_FORMAT_HEVC,
+ .fcc = V4L2_PIX_FMT_HEVC,
+ },
};

/* ------------------------------------------------------------------------
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 6ab972c643e3..c7f043121b41 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -165,6 +165,10 @@
{0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}

+#define UVC_GUID_FORMAT_HEVC \
+ { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+

/* ------------------------------------------------------------------------
* Driver specific constants.
--
Dmitry Buzdyk
Rhonda Software