On Mon, Jun 22, 2020 at 11:30 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > Am Mo., 22. Juni 2020 um 19:40 Uhr schrieb Gautam Ramakrishnan > <gautamr...@gmail.com>: > > > > On Mon, Jun 22, 2020 at 8:07 PM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > > > > > > > > > > > > Am 22.06.2020 um 12:42 schrieb Moritz Barsnick <barsn...@gmx.net>: > > > > > > > >> On Mon, Jun 22, 2020 at 12:47:11 +0530, Gautam Ramakrishnan wrote: > > > >> On Mon, Jun 22, 2020 at 12:38 PM Carl Eugen Hoyos <ceffm...@gmail.com> > > > >> wrote: > > > >>>> Am 22.06.2020 um 07:32 schrieb Gautam Ramakrishnan > > > >>>> <gautamr...@gmail.com>: > > > >>>> JPEG2000 uses .pgx format for conformance testing. Is it a good idea > > > >>>> to allow the ffmpeg native decoder to have an option to dump .pgx > > > >>>> files? > > > >>> I believe it would be more useful if FFmpeg could read pgx files. > > > >> So could a new Codec be created for reading and writing pgx files? > > > > > > > > Actually, probably a very simple demuxer/muxer, as the payload seems > > > > to be uncompressed/raw. > > > > > > Most likely a decoder as for pnm or tga. > > > I shall work on this. The format seems really simple. However, > > how do I make the encoder write multiple files and the decoder > > read multiple files? Each component would map to one .pgx file. > > You only read one of the files at a time, the extractplanes filter can > be used to compare the content. > > 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".
So what you mean to say is if I am given say 3 pgx files for r g and b components respectively, the decoder would not decode all of them into one image. But as this is a testing format and only for conformance testing, that should not be an issue? -- ------------- 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".
