[FFmpeg-devel] [PATCH] amerge audio filter [WIP]
ubitux at gmail.com
Sun Nov 6 21:46:19 CET 2011
On Sun, Nov 06, 2011 at 09:32:55PM +0100, Nicolas George wrote:
> Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
> libavfilter/Makefile | 1 +
> libavfilter/af_amerge.c | 177 ++++++++++++++++++++++++++++++++++++++++++++++
> libavfilter/allfilters.c | 1 +
> 3 files changed, 179 insertions(+), 0 deletions(-)
> create mode 100644 libavfilter/af_amerge.c
> This is early work in progress, just in case someone would happen to work on
> the same thing at the same time, and because I will not be able to come back
> on it for a few days.
> The following command works for me:
> ./ffmpeg_g -f lavfi -i 'amovie=1.wav [b] ; amovie=2.mp3 [a] ;
> [a] [b] amerge, pan=5.1:1:0:0:0:0:0:0:1:0:0:0:0:0:0:0:0:1:0:0:0:0:0:0:1' \
> -f alsa surround51
> (On the other hand, amovie segfaults on Ogg Vorbis files.)
Oh great, this will put an end to the -map_channel limitation of one input
stream as source. I guess you could replace the paragraph mentionning that
limitation to a redirection to this filter.
BTW, would it be possible to select N sources instead of two?
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