Hi Marina, On 08/07/2012 04:27 AM, Zimmermann Marina wrote: > Hello everyone, > > I just started using avconv in order to mix two audio files. So in the > online documentation I found the following command: > > |avconv -i INPUT1 -i INPUT2 -filter_complex > amix=inputs=2:duration=first:dropout_transition=3 OUTPUT > > However, running this gives me the following error: > > ||Unrecognized option 'filter_complex' > Failed to set value 'amix=inputs=2:duration=first:dropout_transition=3' for > option 'filter_complex'| > | > If I understand this correctly, also by reading the manual on ubuntu, the > filter-complex part is not defined (not configured?). > I have been trying to find a solution for some time now, but can't find > anything. > > I currently have version 0.8.3-4:0.8.3-0ubuntu0.12.04.1 of avconv. > Unfortunately, I'm not very experienced with this so maybe someone can tell > me if I have to change something in the configurations > or use a different version of avconv. In case you know any other methods with > which I could mix the audio files, please let me know.
The amix filter is fairly new and is not part of the most recent Libav release, so you can either build the latest Libav from source or use the Ubuntu daily build PPA at https://launchpad.net/~motumedia/+archive/libav-daily Cheers, Justin _______________________________________________ libav-tools mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-tools
