[FFmpeg-devel] [PATCH]lavc/pnmdec: Fix 16bit decoding

Michael Niedermayer michael at niedermayer.cc
Sat Dec 14 00:06:22 EET 2019


On Fri, Dec 13, 2019 at 07:13:20PM +0100, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch fixes decoding a sample provided on irc.
> 
> Please comment, Carl Eugen

>  pnmdec.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> b5422d22058919ba63c80c3070660ab1f0908069  0001-lavc-pnmdec-Fix-16bit-decoding.patch
> From 9bf070aab1a88fb37db3c9322665edee9f90919f Mon Sep 17 00:00:00 2001
> From: Carl Eugen Hoyos <ceffmpeg at gmail.com>
> Date: Fri, 13 Dec 2019 19:10:15 +0100
> Subject: [PATCH] lavc/pnmdec: Fix 16bit decoding.
> 
> Regression since cdb5479c
> Reported by irc user tTh from Mixart-Myrys
> ---
>  libavcodec/pnmdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/pnmdec.c b/libavcodec/pnmdec.c
> index 958c5e43b0..dbcaef3884 100644
> --- a/libavcodec/pnmdec.c
> +++ b/libavcodec/pnmdec.c
> @@ -143,7 +143,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
>                          v = (*s->bytestream++)&1;
>                      } else {
>                          /* read a sequence of digits */
> -                        for (k = 0; k < 5 && c <= 9; k += 1) {
> +                        for (k = 0; k < 6 && c <= 9; k += 1) {

should be ok

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Good people do not need laws to tell them to act responsibly, while bad
people will find a way around the laws. -- Plato
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