2017-11-30 11:24 GMT+01:00 <nerbr...@free.fr>: > I'm encoding my audio files to opus, with the following command: >> ffmpeg -i test.mp3 -acodec libopus -b:a 64000 -vbr on test.opus > (Debian squeeze, ffmpeg version 3.3.5) > > According to wikipedia, the "opus" container should just be an ogg > container (https://en.wikipedia.org/wiki/Opus_%28audio_format%29). > However, encoding my file with an ogg extension : >> ffmpeg -i test.mp3 -acodec libopus -b:a 64000 -vbr on test.ogg > produces a different file from the previous one (md5 are mismatched).
Use -fflags +bitexact to get identical files, you will also get different files when writing to out1.ogg and out2.ogg. The file suffix ".opus" is just a shorthander for "-acodec opus -f ogg". Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".