[FFmpeg-devel] [PATCH] avcodec/jpeg2000dec Support for PPT marker

[Carl Eugen Hoyos]

Am Fr., 27. März 2020 um 15:29 Uhr schrieb Carl Eugen Hoyos
<ceffmpeg at gmail.com>:
>
> Am Fr., 27. März 2020 um 14:47 Uhr schrieb <gautamramk at gmail.com>:
> >
> > From: Gautam Ramakrishnan <gautamramk at gmail.com>
> >
> > This patch adds support for the JPEG2000 PPT marker. This patch hence,
> > fixes #4610. The patch was tested on the samples posted along with
> > ticket #4610.
>
> Your patch adds a compile-time warning here, please fix that.
>
> @Michael: Both samples from ticket #4610 are decoded visually correct,
> the sample from the testsrc (p1_02.j2k) is not lossless afaict (jasper and
> openjpeg produce different output), the samma sample is lossless but
> since it is yuv, it will take a little time to test for bit-exactness.

Not so difficult: The samma sample produces bit-exact output with the patch.

Carl Eugen