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Why is H.264 video so much faster in an FLV container than in an MP4 container?

Fresh5 days ago
Mar 15, 20264826 views
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Problem

I am developing a tube site, and currently having issues with H.264 format. I noticed that YouTube put their hi-def videos into an MP4 container, so logically I did the same. Next, I installed for lighttpd to make streaming and timeline-scrubbing work. The problem is that large files (>500MB at som…

Error Output

mod_h264_streaming

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1 Fix

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New Fix – Awaiting Verification

Fix for: Why is H.264 video so much faster in an FLV container than in an MP4 container?

Low Risk

TL;DR: MP4 is used when the video site stores more metadata in the video than FLV supports, or uses an audio codec that FLV doesn't support. FLV's simplicity and for-streaming design makes it a good choice if you don't have a good reason to use MP4.…

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