Kieran O Leary: > On Fri, 20 Sep 2019, 08:58 Adam Johnson, <[email protected]> wrote: > >> I have some aiff files in my music production library that I'd like to >> convert to flac. However they aren't recognized by ffmpeg: >> >> $ ffmpeg -i Raylon-190-Full.aif >> ... >> [aiff @ 0x7fc3ce800000] unknown or unsupported codec tag: able is not >> implemented. Update your FFmpeg version to the newest one from Git. If the >> problem still occurs, it means that your file has a feature which has not >> been implemented. >> [aiff @ 0x7fc3ce800000] If you want to help, upload a sample of this file >> to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing >> list. ([email protected]) >> [aiff @ 0x7fc3ce800000] could not find COMM tag or invalid block_align >> value >> Raylon-190-Full.aif: Operation not permitted >> >> These files can only be decoded by Ableton Live. Quicktime, VLC, MPlayer, >> and ffmpeg can't read them. I believe the 'able' tag is Ableton's >> proprietary format. I know it's 24 bit but no more. >> >> I exported one through Ableton to a 44.1khz 24 bit wav and the filesize >> comes out exactly the same so I know the format is not compressed. Also the >> exported wav matches the waveform precisely since if I add it back with >> inverted phase I hear nothing. >> >> Here is a sample file, in aif format and wav format: >> >> https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.aif >> https://files-adamj-eu.s3.amazonaws.com/ffmpeg-devel/Raylon-190-Full.wav > > > This list is for posting patches,you should post on ffmpeg-user instead. It > might make sense to also post an aiff output if possible via Ableton. I > wasn't clear from your post of the aiff file was an export from Ableton, or > raw capture files stores in a working directory. > > Best, > > Kieran.
The message from avpriv_request_sample explicitly says that one should contact ffmpeg-devel, so this is the right ML for his message. - Andreas _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
