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issue in playing back video files back to back using Gstreamer playbin2 element

Rajnikant Jachak
Intellectual 380 points

Hi,

I'm trying to build playback application using GStreamer framework to play video files one after other. I'm using Gstreamer element playbin2 to playback video files. Once I receive EOS event of currently playing video file, I'm changing the playbin2 element uri to next video file and changing state of element to 'PLAYING'. But I see the application is getting stuck giving following two logs:

0:00:20.993270199  1493   0x222370 WARN                oggdemux gstoggdemux.c:3486:gst_ogg_demux_loop:<oggdemux0> error: Internal data stream error.
0:00:20.993337749  1493   0x222370 WARN                oggdemux gstoggdemux.c:3486:gst_ogg_demux_loop:<oggdemux0> error: stream stopped, reason not-negotiated
Error received from element oggdemux0: Internal data stream error.
Debugging information: gstoggdemux.c(3486): gst_ogg_demux_loop (): /GstPlayBin2:playbin/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstOggDemux:oggdemux0:
stream stopped, reason not-negotiated

My questions are:

1. Do I need to rebuild the pipeline and re-link all elements before starting playback of new video file?

2. As per documentation for playbin2, it supports 'about-to-finish' signal. I wrote code in my application to handle that signal and tried changing URI in this signal handler, but this also did not solved the issue.

Gstreamer version: 0.10.30

EZSDK Version: 5.03.01.15

Platform: DM814x_EVM

Thanks,

  • 0
    TI__Guru* 80190 points

    Hello,

    My first suggest to is to move to the latest EZSDK 5.05.

    0:00:20.993270199  1493   0x222370 WARN                oggdemux gstoggdemux.c:3486:gst_ogg_demux_loop:<oggdemux0> error: Internal data stream error.
    0:00:20.993337749  1493   0x222370 WARN                oggdemux gstoggdemux.c:3486:gst_ogg_demux_loop:<oggdemux0> error: stream stopped, reason not-negotiated
    Error received from element oggdemux0: Internal data stream error.
    Debugging information: gstoggdemux.c(3486): gst_ogg_demux_loop (): /GstPlayBin2:playbin/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstOggDemux:oggdemux0:stream stopped, reason not-negotiated

    This error usually means there's a problem with caps somewhere. But error log indicates that it has something to do with your demuxer. Looks like demuxer is passing unsupported  type.

    Could you add to your pipelines --gst-debug=3 and provide all log files or add playbin2:5.

    Best Regards,

    Margarita