[FFmpeg-devel] [PATCH 1/8] libavcodec/jpeg2000_parser: Speed up long skips

Michael Niedermayer michael at niedermayer.cc
Wed Jun 1 19:23:08 EEST 2022


On Wed, Jun 01, 2022 at 06:21:19PM +0200, Michael Niedermayer wrote:
> On Tue, May 31, 2022 at 11:58:39AM +0200, Tomas Härdin wrote:
> > 
> 
> >  jpeg2000_parser.c |   11 +++++++++++
> >  1 file changed, 11 insertions(+)
> > 634546fb5a0eb281eea87ad7471c503f5bc9e8ab  0001-libavcodec-jpeg2000_parser-Speed-up-long-skips.patch
> > From fedd7f9ae2c691a25c37be935d7547be61d46017 Mon Sep 17 00:00:00 2001
> > From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git at haerdin.se>
> > Date: Fri, 20 May 2022 11:38:25 +0200
> > Subject: [PATCH 1/8] libavcodec/jpeg2000_parser: Speed up long skips
> > 
> > ---
> >  libavcodec/jpeg2000_parser.c | 11 +++++++++++
> >  1 file changed, 11 insertions(+)
> 
> breaks
> j2kref/codestreams_profile1/p1_04.j2k

[jpeg2000 @ 0x7fb0b8002600] Psot 66195 too big
[jpeg2000 @ 0x7fb0b8002600] error during processing marker segment ff90
Input #0, j2k_pipe, from 'j2kref/codestreams_profile1/p1_04.j2k':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 1), gray16le(12 bpc), 1024x1024, 25 fps, 25 tbr, 25 tbn
[jpeg2000 @ 0x7fb0b8003240] unsupported marker 0x97C8 at pos 0x6F0
[jpeg2000 @ 0x7fb0b8003240] Missing EOC Marker.
[jpeg2000 @ 0x7fb0b8032280] unsupported marker 0x97C8 at pos 0x6F0
[jpeg2000 @ 0x7fb0b8032280] Missing EOC Marker.
[jpeg2000 @ 0x7fb0b8006280] Psot 66195 too big
[jpeg2000 @ 0x7fb0b8006280] error during processing marker segment ff90


[...]


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