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 Reindl Harald


Am 30.06.20 um 21:54 schrieb raistlin.mli...@yandex.ru:
> 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

if they are identical they have the same checksum
it's that easy

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

2020-06-30 Thread Moritz Barsnick
On Tue, Jun 30, 2020 at 19:31:24 +0300, raistlin.mli...@yandex.ru wrote:
> 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

Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p(tv, 
bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k 
tbn, 47.95 tbc
Stream #0:1[0x1100](rus): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 
5.1(side), fltp, 384 kb/s
Stream #0:2[0x1101](rus): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 
5.1(side), fltp, 448 kb/s
Stream #0:3[0x1102](rus): Audio: dts (DTS) ([130][0][0][0] / 0x0082), 48000 
Hz, 5.1(side), fltp, 1536 kb/s
Stream #0:4[0x1103](eng): Audio: truehd (AC-3 / 0x332D4341), 48000 Hz, 
5.1(side), s32 (24 bit)
Stream #0:5[0x1103]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), 
fltp, 640 kb/s
Stream #0:6[0x1104](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, 
fltp, 192 kb/s

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

Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p(tv, 
bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k 
tbn, 47.95 tbc
Stream #0:1[0x1100](eng): Audio: truehd (AC-3 / 0x332D4341), 48000 Hz, 
5.1(side), s32 (24 bit)
Stream #0:2[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), 
fltp, 640 kb/s
Stream #0:3[0x1101](rus): Audio: dts (DTS) ([130][0][0][0] / 0x0082), 48000 
Hz, 5.1(side), fltp, 1536 kb/s
Stream #0:4[0x1102](rus): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 
5.1(side), fltp, 640 kb/s
Stream #0:5[0x1103](ukr): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, 
fltp, 448 kb/s

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

Moritz
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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.

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

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

2020-06-30 Thread Reindl Harald


Am 30.06.20 um 21:17 schrieb raistlin.mli...@yandex.ru:
> There are 2 sample m2ts files (about 84 MB each):
> https://mir.cr/0Y8ROTYT (1)
> https://mir.cr/RFI1MNOM (2)
>
>> you use diff?
>> ___
>> ffmpeg-user mailing list
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>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
> 
>> To unsubscribe, visit link above, or email
>> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
> 
> Yes. You can try yourself, that's why I gave the links

are you mentally ill or why do you think someone goes through all that
fuckup of your links enable javasript for half of the world when you
just xould do "diff -uNr a b > diff.diff" and post the result as
plaintext on a service which don#t require shields down?
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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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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 Reindl Harald


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

2020-06-30 Thread Reindl Harald


Am 30.06.20 um 18:31 schrieb raistlin.mli...@yandex.ru:
> 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

most files have timestamps inside
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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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