[libav-tools] How to use avconv merge video with multi-language audio and subtitile files

Dongsheng Song dongsheng.song at gmail.com
Wed Jun 6 10:09:18 CEST 2012

Hi all,

The avconv man page is not very clear: http://libav.org/avconv.html

For example, if I have one video file and 2 languages audio and subtitle files:

video.mp4 eng.aac eng.srt chi.aac chi.srt

How can I merge these 5 files to one mkv file ?
How can I mask which is the default audio and subtitle?
Should I attach an Chinese font file to render chi.srt ?


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