[FFmpeg-devel] [RFC]lavc/mjpegenc_common: Fix aspect ratio

[Michael Niedermayer]

On Mon, Dec 10, 2018 at 02:54:54AM +0100, Carl Eugen Hoyos wrote:
> Hi!
> 
> Reading the specification and Wikipedia, it appears to me that FFmpeg
> is writing wrong values as aspect ratio for jfif files.
> I hope somebody can prove me wrong!
> 
> This would need a slightly more sophisticated update to the decoder.
> 
> Please comment, Carl Eugen
>  mjpegenc_common.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 03077e11ffcc0b2faf5a2be46b0cb2ea224eca57  0001-lavc-mjpegenc_common-Fix-aspect-ratio.patch
> From 9c42114da17c20ef6d81d3989b5521eaefc15819 Mon Sep 17 00:00:00 2001
> From: Carl Eugen Hoyos <ceffmpeg at gmail.com>
> Date: Mon, 10 Dec 2018 02:50:39 +0100
> Subject: [PATCH] lavc/mjpegenc_common: Fix aspect ratio.
> 
> Reported-by: Ulf Zibis
> ---
>  libavcodec/mjpegenc_common.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

if its correct, this requires a bump to the version of libavcodec so
the decoder can detect if a file is from before or after the change
[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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