[Ffmpeg-devel] Re: FFMPEG: How to encore audio and mix (merge) audio and video file

Michel Bardiaux mbardiaux
Mon Oct 23 11:16:11 CEST 2006

Paul wrote:
> I need source code sample.. . Please help me if you can
> Thanks again
>   ----- Original Message ----- 
>   From: Paul 
>   To: ffmpeg-devel at mplayerhq.hu 
>   Sent: Saturday, October 21, 2006 4:29 PM
>   Subject: FFMPEG: How to encore audio and mix (merge) audio and video file
>   Hi all member,
>   i am using FFMPEG library (thank for free)
>   I have used this lib to record video file (MPEG1 codec). The video file call video.mpg
>   I can use directsound to get sound data buffer.
>   Now i want to use FFMPEG to encore the sound buffer, and then i can get encoded audio file (MPEG1 or any codec).
>   Can you show me how to do this? Assume i call the encoded audio file is audio.mp3 

Look in output_example.c.

Note that if you want mp3 audio, you will need to install lame, and 
configure ffmpeg to use it.

>   And final, i would like to mix (merge) audio.mp3 and video.mpg, how can i do this????

ffmpeg -i video.mpg -i output.mp3 -acodec copy -vcodec copy final.mpg

>   These are urgent for me and many thank for your help. 

Michel Bardiaux
R&D Director
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