#3902: FFmpeg MD5 output different with same data #3
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Reporter: | Owner:
ahthovaikied | Status: new
Type: defect | Component: avformat
Priority: normal | Resolution:
Version: git-master | Blocked By:
Keywords: md5 mpeg2 | Reproduced by developer: 0
ac3 mkv |
Blocking: |
Analyzed by developer: 0 |
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Comment (by ahthovaikied):
Replying to [comment:27 Cigaes]:
> Good. Now you must try and spot differences in the
{{{extradata_hash=MD5:...}}} values. If not, you will need to do the same
with {{{-show_packets}}}. If you do not find differences, that means that
the output part is producing different output, not the input part.
Without {{{--disable-vaapi --disable-vdpau}}}:
{{{
$ ffprobe -show_packets -show_data_hash md5 cut.mkv 2>&1 | grep -F
'data_hash=MD5:' > /tmp/data_hashes1.txt
}}}
With {{{--disable-vaapi --disable-vdpau}}}:
{{{
$ ffprobe -show_packets -show_data_hash md5 cut.mkv 2>&1 | grep -F
'data_hash=MD5:' > /tmp/data_hashes2.txt
}}}
No difference:
{{{
$ diff /tmp/data_hashes{1,2}.txt
$
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3902#comment:28>
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