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MPEG4 header information?

inchul lee
Intellectual 675 points


Hi everyone,

I am using dm6446 evm. I want to know mpeg4 header information. The decode demo program just display a recoded mpeg4 file. I want to display a recoded mpeg4 file makred with total display time and progress time. And I want to do fast-forward and rewind. Would you give me some information about the following questions?

1) Where can I get the mpeg4 technical document including header information and so on?

2) How can I display a recorded mpeg4 file marked with total time and progress time?

3) How can I do fast-forward and rewind?

Thank you and BR,

Inchul.

  • 0
    TI__Expert 5000 points

    inchul lee said:

    1) Where can I get the mpeg4 technical document including header information and so on?

    MPEG4 Technical document where header information etc is available is not a public domain document.

    inchul lee said:

    2) How can I display a recorded mpeg4 file marked with total time and progress time?

    3) How can I do fast-forward and rewind?

    For the above two you can try many publicly avaialble players such as ffmpeg, vlc player etc.

     

    Regards,

    Venu

     

  • 0
    Genius 5240 points

    Information on the documents you are looking for can be found with a google search on...

    ISO IEC 14496

    The specific document is 14496-2, which describes the elementary video stream format.  Part 1 or 14496-1 describes the multiplexing of audio and video into the MPEG-4 file format.  So you need to understand this to create a recorded file.

    This Wiki link gives you more info on the documents.

    http://en.wikipedia.org/wiki/MPEG-4

    John