On Mon, 20 Jan 2020, Guo, Yejun wrote:
-----Original Message-----
From: ffmpeg-devel [mailto:[email protected]] On Behalf Of
Carl Eugen Hoyos
Sent: Monday, January 20, 2020 10:14 PM
To: FFmpeg development discussions and patches <[email protected]>
Subject: Re: [FFmpeg-devel] [PATCH] fate/filter-video.mak: do not use bit-exact
check for dnn_processing
Am Mo., 20. Jan. 2020 um 14:25 Uhr schrieb Martin Storsjö
<[email protected]>:
Keep in mind that ideally, you shouldn't be changing the reference files
in the separate samples directory incrementially; ideally they should be
fairly static.
Since not everybody is a native speaker:
You cannot change reference files once they are used by fate, they have
to be static and remain where they are.
thanks Carl.
Just had a chance to test on IBM PowerPC (big end) and found the new gray float
test fails,
the reason is that the reference file is generated in little end machine and
grayf32 contains 4 bytes.
Just FWIW, for such cases, you should add something like "-pixfmt
grayf32le", so that the output is independent of the host endianness and
set e.g. CMP_UNIT=f32 and e.g. FUZZ=<value>, to make the oneoff test
actually do the right thing, otherwise you'd just compare individual bytes
in the float representation.
// Martin
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