[vlc] Re: How is H.264 indicated?

[Måns Rullgård]

Benjamin Pracht <bigben+spam at videolan.org> writes:

> On Thu, Sep 01, 2005, Chhaya, Harshal wrote :
>> 
>> Hello,
>> 
>> Does vlc use 'mp4v' in the 'stream information' window
>> to indicate an H.264 video? 
>> 
>> I am having some trouble convincing someone else that vlc
>> can play H.264 because the stream information never
>> explicity says H.264. Some other players show 'H.264' as
>> the stream type.
>
> fourcc for H264 are avc1 and h264 (maybe some others too).

VSSH is also used.  Varying capitalization is also to be expected.

>> Is there some standard naming system that various players 
>> use to show the video format?
>
> Well, fourcc is a standard (not very user firendly) name. Have a look at
> www.fourcc.org

I wouldn't call it a standard.  It's something used by AVI files.
Quicktime also uses four-byte codes, but they are not always the same
as those found in AVI.  Most other formats use entirely different
means of indicating the codec.  How the players represent the
information internally, and how they present it to the user, is yet
another independent matter.

-- 
Måns Rullgård
mru at inprovide.com

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