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I have a vp6 codec flv. I have a wav file that I want to convert into mp3 and added to the vp6 flv. So when I play the flv the audio is added and the video quality is not changed.

I tried:

ffmpeg -i 20.flv -i 20.wav -vcodec copy -acodec libmp3lame new_file.flv

but I an error "Could not write header for output file #0 (incorrect codec parameters ?)". I'm guessing because it is a vp6 flv codec.

Is there a way to just add an audio file to the flv? There is no audio in the current flv. I cannot lose any quality in the video.

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migrated from stackoverflow.com May 3 '11 at 14:04

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1 Answer

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See here. This has been answered here before.

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I saw that before I posted. It was never answered in that post either. – Rich May 3 '11 at 11:15
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