[FFmpeg-devel] [PATCH v2 1/2] libavcodec/jpeg2000dec.c: Add functions and modify structs for PPT marker support

[Gautam Ramakrishnan]

On Sat, Mar 28, 2020 at 12:45 AM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
> Am Fr., 27. März 2020 um 19:24 Uhr schrieb Gautam Ramakrishnan
> <gautamramk at gmail.com>:
>
> > > > > Did you already look at the sample file I pointed out?
> > > > Yep, am going through the sample file. I shall try to see what
> > > > is causing those errors. However I am assuming that the errors
> > > > could be due to other bugs in the decoder or due to some
> > > > unimplemented features?
> > >
> > > Could be, I don't know, please find out.
> > >
> > The mxf demuxer says: error getting stream index 67174400
> > Does this mean that the mxf demuxer is unable to read the mxf
> > packet itself? Looking at the error thrown by the jpeg2000 decoder,
> > looks like the jpeg2000 frame is corrupt.
>
> I don't think so, you can test with libopenjpeg.
>
I tried using libopenjpeg as the decoder. I run the command
./ffmpeg -c:v libopenjpeg -i ~/Downloads/jpeg2000_mxf_first_10mb.mxf
-r 1/1 out%03d.bmp
I get only 3 .bmp images as output.
I get the same images compared to when I use the native decoder.
> Carl Eugen
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".



-- 
-------------
Gautam |