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  1. Member
    Join Date
    Aug 2006
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    United States
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    EDIT: I fixed it, I'm a happy camper

    Hi guys,

    I'm creating a movie from images and trying to add audio. The movie comes out perfectly but when I add audio it's not only way out of sync but the movie comes out longer than it should be.

    Here is the setup:

    300 bitmaps at 30 fps make a 10 sec video perfectly
    a .wav file that's exactly 10 secs at sample rate 44100 with 2 channels and 16-bit (standard CD PCM)

    When I add in the audio the movie becomes 12 secs and the sound events occur much too early.

    Here is the code:

    Code:
    // this works great:
    ffmpeg -r 30 -i frame_%d.bmp -vcodec rawvideo -y movie.avi
    
    // trying to add audio:
    ffmpeg -r 30 -i frame_%d.bmp -i audio.wav -vcodec rawvideo -acodec copy -y movie.avi
    This is killing me, please help. Thank you.
    Last edited by Endemoniada; 30th Jan 2013 at 21:31. Reason: Solved
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
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    Aug 2000
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    Sweden
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    You could try mux the audio after

    Code:
    ffmpeg -i movie.avi -i audio.wav -vcodec copy -acodec copy newmovie.avi
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  3. I'm a MEGA Super Moderator Baldrick's Avatar
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    Aug 2000
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    Sweden
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    I see you solved it.....it would would be good if you told how also. It might help others who searches for same problem.
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  4. untested:
    Code:
    ffmpeg -r 30 -i frame_%d.bmp -i audio.wav -map 0:0 -map 1:1 -c:v:0 rawvideo -c:a:1 copy -y movie.avi
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