De: "Raffaella Traniello" :
> Ciao!
>
> Thank you - Julien and August - for your replies.
>
> Unfortunately, I was not able to use any of your recipes to convert
> MPEG-4 AVC/H 264 footage to something Cinelerra could accept.
> (dnxhd was good for video but I couldn't find the ffmpeg magic spell for
> audio; only some h264 files are readable by CinelerraCV - video only)
>
> I needed a quick and easy solutions for newbies.
> I ended up using Kino to convert SD footage to RawDV and
> Kdenlive to render HD footage to HDV.
>
> I sense you recipes might ensure better quality, so I'll spend some time
> to study them better.
>
> Ciao
> Raffaella
It seems you cannot have both dnxhd video stream and an audio stream in the
same .mov file, at least when it's created with ffmpeg.
Nevertheless, you can easily separate audio into another file, either by
demuxing it or by reencoding it to another format.
I use to demux my camcorder's AC3 5.1 audio stream with mplayer without
reencoding it (it's done almost instantly) :
mplayer -dumpaudio -dumpfile
"audio.ac3" can then be loaded in cinelerra, and is in sync with dnxhd video
produced by ffmpeg.
Ciao
Julien
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