How To Solve Codec Type Mismatch Error When Converting Videos With ffmpegX

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ffmpegx logo For a video conversion tool that’s so powerful and easy-to-use, ffmpegX is something that throws up occasional errors that just frustrate you to no end until you discover what it means. One such error that I get is when I convert video files to Flash video (FLV). Here’s the error:

Codec type mismatch for mapping #0.0 -> #0.0

Turns out that this has got to do with the audio of your original video file, and how it was mapped together with the video segment. All you have to do to fix this problem is simple: just go to the audio tab, and check the “Invert Mapping” box. Re-encode your video again, and this problem should be gone.

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Alvin Poh

I've over 17 years of entrepreneurship experience, having built a tech company to be the top in the country, which was subsequently acquired for an 8-figure sum. As CEO, I led the company through robust growth to 150 employees across 4 countries. After the acquisition, I embraced minimalism, sold off my personal possessions, and started living around the world.

Read more about my story here.

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By Alvin Poh

About Author

I've over 17 years of entrepreneurship experience, having built a tech company to be the top in the country, which was subsequently acquired for an 8-figure sum. As CEO, I led the company through robust growth to 150 employees across 4 countries. After the acquisition, I embraced minimalism, sold off my personal possessions, and started living around the world.

Read more about my story here.