On Sun, Mar 29, 2020 at 6:12 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > Am So., 29. März 2020 um 14:23 Uhr schrieb Gautam Ramakrishnan > <gautamr...@gmail.com>: > > > I had gone through ticket #7445 > > Better tickets are imo: > https://trac.ffmpeg.org/ticket/4669 > https://trac.ffmpeg.org/ticket/4679 > sample in http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket4679/ > https://trac.ffmpeg.org/ticket/4827 > https://trac.ffmpeg.org/ticket/5360 > > Two of them look easy to fix, the difficulty could be to explain > why your fix is correct (in the commit message). > Sure, i shall work on them then. I thought it would be difficult to fix these. > > and it mentions about JPEG2000 parser. > > What exactly does a parser do and how is it different from a decoder? > > I am unable to understand the exact use case of a parser. > > Try the following: > $ cat 1.jpg 2.jpg | ffmpeg -i -f null - > (Is expected to decode two frames as can be seen in the console output, > also works for example with png) > > $ cat 1.j2k 2.j2k | ffmpeg -i - -f null - > Will only decode one frame because there is no parser to split the > input. > So does it basically try to find the SOC marker and EOC markers and split the streams into frames? > Carl Eugen > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
-- ------------- Gautam | _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
