Re: [FFmpeg-user] FFmpeg & hashing algorithm speed

2019-11-07 Thread Peter B.
Thanks for the infos! And "yes": My PHP/Python examples were not related to FFmpeg, but this discovery led me to become curious how FFmpeg does it - and therefore ask this question :) Will read the Giorgio-Thread and maybe return with reproducible (commandline + uncut console output)

Re: [FFmpeg-user] FFmpeg & hashing algorithm speed

2019-11-06 Thread Carl Eugen Hoyos
Am Do., 7. Nov. 2019 um 00:09 Uhr schrieb Carl Eugen Hoyos : > > Am Mi., 6. Nov. 2019 um 23:40 Uhr schrieb Peter B. : > > > Hashing for fixity and transfer-checking seems to be quite a bottleneck > > for archiving big video/film files for archiving. > > > > Therefore I was considering if using

Re: [FFmpeg-user] FFmpeg & hashing algorithm speed

2019-11-06 Thread Nicolas George
Carl Eugen Hoyos (12019-11-07): > There is an email with a script to compare the implementation's speeds, > I don't know when it was sent to the development mailing list though. If you mean tools/crypto_bench.c, it was not only sent to the list but applied. Regards, -- Nicolas George

Re: [FFmpeg-user] FFmpeg & hashing algorithm speed

2019-11-06 Thread Carl Eugen Hoyos
Am Mi., 6. Nov. 2019 um 23:40 Uhr schrieb Peter B. : > Hashing for fixity and transfer-checking seems to be quite a bottleneck > for archiving big video/film files for archiving. > > Therefore I was considering if using "simpler" algorithms (like CRC > instead of SHA256) could speed up the