lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 20 Sep 2022 16:08:07 +0200 From: Ricardo Ribalda <ribalda@...omium.org> To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, Mauro Carvalho Chehab <mchehab@...nel.org> Cc: "hn.chen" <hn.chen@...plusit.com>, Ricardo Ribalda <ribalda@...omium.org>, linux-kernel@...r.kernel.org, linux-media@...r.kernel.org Subject: [PATCH v1 1/8] media: uvc: Extend documentation of uvc_video_clock_decode() Make a explicit reference to uvc 1.5, explaining how the algorithm supports the different behaviour of uvc 1.1 and 1.5. Tested-by: hn.chen <hn.chen@...plusit.com> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org> diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 170a008f4006..ab56e65ca324 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -517,6 +517,9 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, /* * To limit the amount of data, drop SCRs with an SOF identical to the * previous one. + * This filtering is also needed for supporting UVC 1.5. Where all the + * data packages of the same frame contains the same sof. In that case + * only the first one will match the host_sof. */ dev_sof = get_unaligned_le16(&data[header_size - 2]); if (dev_sof == stream->clock.last_sof) -- b4 0.11.0-dev-d93f8
Powered by blists - more mailing lists