[FFmpeg-user] channelsplit seems to mute one channel
Carl Eugen Hoyos
cehoyos at ag.or.at
Tue Apr 16 11:07:29 CEST 2013
Owen Jones <asorti6 <at> gmail.com> writes:
> On 13 Apr 2013, at 08:16, Carl Eugen Hoyos wrote:
> > The reason is that FFmpeg only marks the first
> > audio track as default.
> Is there any possibility of a fix or a way around this?
You can either revert 981cf0c or search for the
line "avio_wb24(pb, track->secondary ? 0x2 : 0xf);"
in libavformat/movenc.c and make is always write
"0xF" or - ideally - as a temporary workaround,
you add a new flag to movenc.c to force all
tracks as primary: See the "AVOption"s on top of
the file and MOVMuxContext in libavformat/movenc.h
(and don't forget to send the result to
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