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How to achieve a ultra-low h.264 encode delay in DVR-RDK 3.0?

SuitJune Young
Genius 3985 points

Hello,TI man.

according to TI's doc: dm8168's h.264 codec can use in sub-frame mode to get a ultra-low delay encoding.And,how to do that?

What parameter need we to set?

Thanks in advance for any reply.

  • 0
    TI__Guru 59700 points

    Refer the encoder user guide under ti_tools/codec/REL.500.V.H264AVC.E.IVAHD.02.00.04.01 (Version will be different depending on RDK release you are using). The H264 encoder user guide has details of the dataSynch API which are used for slice based encoding. Apart from encoder configuration enabling slice based encoding requires several changes in encLink level as well to notify next link of availability of slice. The changes are not simple.

     

  • 0 in reply to Badri Narayanan
    Genius 3985 points

    thank you.I'll try that.

  • 0 in reply to Badri Narayanan
    Prodigy 80 points

    Dear Badri Narayan,

    I happen to see the post while I was searching for an article to enable sub frame encoding.

    Can you please elaborate on the steps needed to support sub frame encoding. It would be really helpful.

    I see in the VPSS drivers source(On Linux side) that the sub frame encoding is disabled. Whats the reason for that? Is it not available as a configuration through OMX call?

    Your help is very much appreciated.

    Regards,

    Vijay