H.264 encoded videos

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Hi All,

How to detect H.264 encoded video programmatically?

Thanks.....

Posted 24-Jun-10 21:22pm

vinodkalanji

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Adrabi Abderrahim · Accepted Answer · 2010-06-25T06:40:00

Solution 1

I don't use H.264 but you can combine between some tools/techniques to get what you want:

[Method-0 : hard]
you read start bytes of file (maybe this like BOM, and compare it with H.264 signature)

[Method-1 : easy]
you FFMPEG command "ffmpeg -i yourfile" get output by using your preferred programming language, and search for video format in output.

Posted 25-Jun-10 6:40am

Adrabi Abderrahim

Comments

vinodkalanji 28-Jun-10 1:15am

Hi Adrabi,

Thanks a lot for suggestion.

vinodkalanji 28-Jun-10 1:21am

Hi Adrabi,
I am making a plugin using javascript in which I have to put the logic to detect H.264 encoded video. Is it possible to use ffmpeg command's in other than programming languages(I mean in javascript?)?

Adrabi Abderrahim 28-Jun-10 5:23am

I think if you use "JavaScript OLE Automation", you can do it, but can work only in local and windows.

or you can use Ajax technique, by creating php or like for executing command, and returns formated results as XML or like to manipulating it by javascript.

vinodkalanji 28-Jun-10 23:32pm

Hi Adrabi,
Thanks for the guidance. But my lead told to go with Method-0 as mentioned by you. But I didn't get a proper link to read about H.264 signature. Can you please suggest some links for that?...

Thanks...

Adrabi Abderrahim 29-Jun-10 3:01am

maybe here : http://www.garykessler.net/library/file_sigs.html
example all my mp3s started with (494433)
also
source x264 : http://git.videolan.org/?p=x264.git;a=tree;
source JM: http://iphome.hhi.de/suehring/tml/doc/ldec/html/files.html
RTP Payload Format for H.264 Video : http://tools.ietf.org/html/rfc3984

Good-luck

vinodkalanji 29-Jun-10 3:26am

Thanks a lot for the suggestion Adrabi...I will look into it..