[FFmpeg-user] amix filter hanging

Jonathan Girven jonathan.girven at trickbook.com
Fri Aug 25 11:58:51 EEST 2017

> Is the issue also reproducible if you use the native mpeg4
> encoder instead of an external library?
> $ ffmpeg -i BigBuckBunny_320x180_t10.mp4
> -i full_dillon_in_pro_audio.mp3
> -filter_complex "[1:a][0:a]amix=inputs=2[m]" -map 0:v -map [m]
> -vcodec mpeg4 -qscale 2 out.mp4

It is not reproducible with the native mpeg4 library, no. Should I
contact the x264 mailing list instead?

> Its not reproducible if one disables video with -vn.


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