On 6/28/19, Moritz Barsnick <[email protected]> wrote: > On Thu, Jun 27, 2019 at 23:36:12 +0100, Kieran O Leary wrote: >> On Thu, 27 Jun 2019, 23:32 Moritz Barsnick, <[email protected]> wrote: >> > $ ffmpeg -i input -map 0:a -c:a copy -f hash - >> > or >> > $ ffmpeg -i input -map 0:a -c:a copy -hash md5 -f hash - >> > if you prefer MD5 >> >> Out of curiosity,what is the difference between this and -f md5 - > > Nothing. (I did mention the word "alias" in my text. ;-)) > As the docs say: > 21.18 md5 > > MD5 testing format. > > This is a variant of the hash muxer. Unlike that muxer, it defaults to > using the MD5 hash function. > > I was one of those who converted the "md5" muxer to a more generic > "hash" muxer with various hashing algorithms, defaulting to a more > modern algorithm (SHA256). The "md5" muxer was retained as an alias for > backward compatibility. > > (Analogously for "framehash" and "framemd5".)
People just follow old bad habits, its hard to change them. > > Cheers, > Moritz > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
