[FFmpeg-user] ffmpeg how to set stream layout

[Francois Visagie]

> -----Original Message-----
> From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-
> bounces at ffmpeg.org] On Behalf Of Soho Soho123
> Sent: 23 July 2013 14:25
> To: FFmpeg user questions
> Subject: Re: [FFmpeg-user] ffmpeg how to set stream layout
> 
> > I use ffmpeg command to generate audio and video stream.
> > > ffmpeg -loglevel debug -f video4linux2 -r 30 -s 640x480
> > > -input_format
> > h264
> > > -i /dev/video1 -f alsa -ar 44100 -ac 2 -i hw:0 -vcodec copy -acodec
> > > copy http://localhost:8090/feed1.ffm
> > >
> > > I got the stream layout :
> > >  Stream #0:0, 0, 1/1000000: Audio: pcm_s16be, 44100 Hz, stereo, 1411
> kb/s
> > >     Stream #0:1, 0, 1/1000000: Video: h264, yuv420p, 640x480, 1/30,
> > q=2-31,
> > > -5 kb/s, 30 fps, 1000k tbn, 30 tbc
> > >
> > > Can I modify the layout to
> > > Stream 0 is video , and stream 1 is audio?
> >
> > Yes, use the -map option to enumerate streams in the order you want
> > them to appear in the output.
> >
> > Cheers,
> > Francois
> >
> > Hi,
> Excuse me!
> Do you know where is the example about "-map" option usage?

http://www.ffmpeg.org/ffmpeg-all.html#Advanced-options

> 
> Thanks!
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