Re: [FFmpeg-user] Different MD5 hashes for identical tracks

2020-06-30 Thread raistlin . mlists
Hello Moritz,

Tuesday, June 30, 2020, 11:12:13 PM, you wrote:

> 192 kb/s stereo vs. 448 kb/s stereo.
> They can't be identical, can they?

I got it now. I defined stream numbers using tsMuxer and considered
TrueHD stream with embedded AC3 stream as one stream while ffmpeg
considers them as two separate streams.
Thanks!

-- 
Best regards,
raistlin.mli...@yandex.ru

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Re: [FFmpeg-user] Different MD5 hashes for identical tracks

2020-06-30 Thread raistlin . mlists
Hello Reindl,

Tuesday, June 30, 2020, 10:23:54 PM, you wrote:

> are you mentally ill

No why? It's probably just you who can't read. Yes I used diff and it
says files are identical.

-- 
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raistlin.mli...@yandex.ru

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Re: [FFmpeg-user] Different MD5 hashes for identical tracks

2020-06-30 Thread raistlin . mlists
Hello Reindl,

Tuesday, June 30, 2020, 9:58:33 PM, you wrote:



> Am 30.06.20 um 20:51 schrieb raistlin.mli...@yandex.ru:
>> Hello Reindl,
>> 
 There are 2 sample m2ts files (about 84 MB each):
 https://mir.cr/0Y8ROTYT (1)
 https://mir.cr/RFI1MNOM (2)

 Stream a:5 in (1) and stream a:4 in (2) are identical (being binary
 compared). Though ffmpeg reports they have different MD5 hashes:

 ffmpeg -loglevel 4 -i 1.m2ts -map 0:a:5 -codec copy -f md5 -
 MD5=cee9775826b81d395c7d012e69309270

 ffmpeg -loglevel 4 -i 0.m2ts  -map 0:a:4 -codec copy -f md5 -
 MD5=32ccb6d7af46bfdd2100cd68c7622171

 MD5 hashes for these streams being decoded (without '-codec copy') are
 also different.

 How could it be
>> 
>>> most files have timestamps inside
>> 
>> Are these timestamps removed by demuxing? As I wrote demuxed tracks
>> are byte-to-byte identical

> you use diff?
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> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Yes. You can try yourself, that's why I gave the links.

-- 
Best regards,
raistlin.mli...@yandex.ru

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Re: [FFmpeg-user] Different MD5 hashes for identical tracks

2020-06-30 Thread raistlin . mlists
Hello Reindl,

>> There are 2 sample m2ts files (about 84 MB each):
>> https://mir.cr/0Y8ROTYT (1)
>> https://mir.cr/RFI1MNOM (2)
>> 
>> Stream a:5 in (1) and stream a:4 in (2) are identical (being binary
>> compared). Though ffmpeg reports they have different MD5 hashes:
>> 
>> ffmpeg -loglevel 4 -i 1.m2ts -map 0:a:5 -codec copy -f md5 -
>> MD5=cee9775826b81d395c7d012e69309270
>> 
>> ffmpeg -loglevel 4 -i 0.m2ts  -map 0:a:4 -codec copy -f md5 -
>> MD5=32ccb6d7af46bfdd2100cd68c7622171
>> 
>> MD5 hashes for these streams being decoded (without '-codec copy') are
>> also different.
>> 
>> How could it be

> most files have timestamps inside

Are these timestamps removed by demuxing? As I wrote demuxed tracks
are byte-to-byte identical.

-- 
Best regards,
raistlin.mli...@yandex.ru

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[FFmpeg-user] Different MD5 hashes for identical tracks

2020-06-30 Thread raistlin . mlists
Hello Ffmpeg-user,

There are 2 sample m2ts files (about 84 MB each):
https://mir.cr/0Y8ROTYT (1)
https://mir.cr/RFI1MNOM (2)

Stream a:5 in (1) and stream a:4 in (2) are identical (being binary
compared). Though ffmpeg reports they have different MD5 hashes:

ffmpeg -loglevel 4 -i 1.m2ts -map 0:a:5 -codec copy -f md5 -
MD5=cee9775826b81d395c7d012e69309270

ffmpeg -loglevel 4 -i 0.m2ts  -map 0:a:4 -codec copy -f md5 -
MD5=32ccb6d7af46bfdd2100cd68c7622171

MD5 hashes for these streams being decoded (without '-codec copy') are
also different.

How could it be?

-- 
Best regards,
raistlin.mli...@yandex.ru

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