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FAQ: MP4 file does not support time seeking

Yury Udovichenko 2014-03-23 23:38:21 UTC in Nimble Streamer

Nimble Streamer supports pseudo-streaming, e.g. seeking through MP4 files using "start" time parameter.

Check this article at JWPlayer website for details: http://support.jwplayer.com/customer/portal/articles/1430518-pseudo-streaming-in-flash

Some MP4 files cannot be streamed like that. How can this be fixed?

Yury Udovichenko 2014-03-23 23:39:48 UTC

The problem is that for some files the seeking-related information required for this kind of scrolling is located in the end of the file. So the player cannot seek through the file until it downloads the entire file.

To fix this, you can use FFMPEG. Please check this reference example:

ffmpeg -i input.mp4 -vcodec copy -acodec copy -movflags faststart output.mp4

Here the "input.mp4" is the file you'd like to fix.

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