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OMAP™ Applications Processors

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omx_h264enc
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  • Forum Post: Re: Omap4 gstreamer omx_h264enc paramter regulate

    Chintan Patel
    Aaron, There are several parameters you can control using omx_h264enc/omx_h264dec. The parameters like bitrate, profile, level etc. Type the following commands it will list out all the parameters supported. #gst-inspect omx_h264enc #gst-inspect omx_h264dec Regards, Chintan
    on Mar 30, 2012

  • Forum Post: Re: OMX H264 Encoder cropping

    Chintan Patel
    Janak, Answer to your questions: No you can not use ducati h264 encoder to crop before encoding. The only thing you might be able to change is the width and height with assuming your (top,left) is always (0,0). But this has to be checked before making any conclusion. To support this feature...
    on Mar 30, 2012

  • Forum Post: Re: Omap4 gstreamer omx_h264enc paramter regulate

    Chintan Patel
    Aaron, Thanks for the clarification. I have noticed that you are changing bit-rate on-the-fly from 1024*100 bps to just 200 bps. I think 200 bps it too low and may not be supported under the level & profile you have selected. Please try at least 1000*100 or 512*100 and see if it changes. Meanwhile...
    on Apr 2, 2012

  • Forum Post: Re: regarding omx h264 decoder delay in live video stream on omap4(pandaboard)

    Chintan Patel
    In DM368 dvsdk4 there are separate components to support dmaibuffer mechanism. In OMAP4430 releases these components are not present. Instead the standard GStreamer components are patched to support strided NV12 buffer support. I suggest that have a look into the tuning parameters of the different...
    on Apr 10, 2012

  • Forum Post: Re: delay in h264 decoder while live video streaming on omap4 (pandaboard)

    Chintan Patel
    I suggest that have a look into the tuning parameters of the different components used in the pipe line. For example as mentioned below: 1. rtph264depay – check queue-delay 2. udpsrc – check buffer-size 3. rtspsrc – check buffer-mode, udp-buffer-size Regards, Chintan
    on Apr 10, 2012

  • Forum Post: Re: Omap4 gstreamer omx_h264enc paramter regulate

    Chintan Patel
    Aaron, I have confirmed that the bit-rate of omx_h264enc can be changed on-the-fly. The encoder component does not have such restriction. Regards, Chintan
    on Apr 12, 2012

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