[x264-devel] Re: x264 encoding for streaming

[Måns Rullgård]

Loren Merritt <lorenm at u.washington.edu> writes:

> On Tue, 17 Apr 2007, Emanuele Fumagalli wrote:
>
>> is it possible to encode videos in order to have the header at the
>> beginning, what I found is that even using same x264 encoding on
>> some videos the header is at the end of the file so it would not be
>> possible for me to stream that.
>> Ar there any settings to use when encoding to make sure the video
>> will be good for streaming (header at the beginning, no long jumps),
>> I read there's an Extended Profile (XP) is that implemented in x264?
>
> Your question is related to the MP4 muxing, not the video
> stream. Remux the file after encoding. There's some GPAC option you
> could set in muxers.c to do that automatically, but GPAC will still
> write the file once the way it is now and only move the header to the
> beginning after it's done.

There's a little tool in the FFmpeg repository that will move the
headers to the start of a MOV/MP4 file.  IIRC it's called
qt-faststart.c.

-- 
Måns Rullgård
mans at mansr.com

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