[FFmpeg-devel] [PATCH]lavc/jpeg2000dec: Scale 4-7bit output to 8 bits

Michael Niedermayer michael at niedermayer.cc
Sun Apr 26 01:59:53 EEST 2020


On Sat, Apr 25, 2020 at 07:26:08PM +0200, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch makes the output of the reference sample p0_03.j2k
> bit-exact with opj_decompress and kdu_render and more similar to
> jasper's output.
> 
> Please comment, Carl Eugen

can these per pixel computations be avoided by adjusting
f_stepsize / i_stepsize ?

thx

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The bravest are surely those who have the clearest vision
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notwithstanding go out to meet it. -- Thucydides
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