[FFmpeg-devel] Support for dumping pgx for JPEG2000

[Gautam Ramakrishnan]

On Mon, Jun 22, 2020 at 8:07 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>
>
>
> > Am 22.06.2020 um 12:42 schrieb Moritz Barsnick <barsnick at 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 <ceffmpeg at gmail.com> wrote:
> >>>> Am 22.06.2020 um 07:32 schrieb Gautam Ramakrishnan <gautamramk at 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.
>
> Carl Eugen
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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.

-- 
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Gautam |