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Dose hvenc depends on the fdc?

feng xiao ming
Expert 1445 points

Other Parts Discussed in Thread: TVP7002

I close fdc in my MTB oms file,then the hvenc will not output anything to the encoded file.

Dose hvenc depends on the fdc?

  • 0
    Expert 1445 points

    I do it in the dual_display_encode_decode.oms.

    Are the fvcc depending on hvenc?

  • 0 in reply to feng xiao ming
    TI__Intellectual 2910 points

    Feng,

     

    Looking at the part of the pipeline where you are trying out your changes, (dei here is a dual out component)

    vfcc->dei(->h264venc) (->vfdc),

    the dei omx component needs all the three ports enabled (one input and two output) and buffers being available at those ports to function. If you close the vfdc component, then one of the output ports of dei starves of buffers and this will stall the entire pipeline. Hence you would see that h264 encoder has stalled as well.\

    Archith

     

     

  • 0 in reply to Archith John Bency
    Expert 1445 points

    Dose  this means that the vfdc is necessory in the capture+encode case ?

  • 0 in reply to feng xiao ming
    TI__Intellectual 2910 points

    In the present pipeline as in the capture_encode demo as in EZSDK 5.2.1.59, yes. This because of DEI component's requirement of all input and output ports being populated with buffers for functionality (as explained in my previous post).

     

    But it should be possible to construct a pipeline with

    OMX-VFCC, OMX-TVP_CTRL (420SP, TVP7002 component-in)->OMX-H.264 VENC.

     

    Here OMX-TVP_CTRL is for configuration purposes and VFCC and H.264 exchnage buffers with the ILclient. Same configuration for H.264 VENC, VFCC and TVP can be used as from the capture_encode demo. You will have to modify the demo code to route buffers from the VFCC to the H.264VENC.

    Here there would be no dependency on vfdc, dei or any other OMX component.

     

    Archith