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Linux/AM3358: AM335x Yocto 2.4 Plays Video Abnormally

zhengguang yang
Expert 1390 points
Part Number: AM3358

Tool/software: Linux

We use gst-launch-1.0 to play video on EVMSK. There is an exception.

The playback instructions are as follows：

gst-launch-1.0 playbin uri=file:///usr/share/ti/video/TearOfSteel-AV-Short-400x240.mp4

SDK version: 05.03.00.07

  • 0
    TI__Guru* 80190 points

    Hello,

    Please try something like these pipelines:

    gst-launch-1.0 playbin uri=file:///usr/share/ti/video/TearOfSteel-AV-Short-720x420.mp4 video-sink="videoconvert ! videoscale ! autovideosink" -v

    and

    gst-launch-1.0 filesrc location=TearOfSteel-AV-Short-720x420.mp4 ! qtdemux ! mpeg4videoparse ! avdec_mpeg4 ! videoconvert ! videoscale ! autovideosink -v

    Best Regards,

    Margarita

  • 0 in reply to Margarita Gashova
    TI__Guru* 80190 points

    Hello,

    I am sorry I forgot please stop weston first in this case.

     /etc/init.d/weston stop

    BR
    Margarita

  • 0 in reply to Margarita Gashova
    TI__Guru* 80190 points

    Hello,

    This is the pipeline when weston is running:

    gst-launch-1.0 filesrc location=TearOfSteel-AV-Short-720x420.mp4 ! qtdemux ! mpeg4videoparse ! avdec_mpeg4 ! videoconvert ! 'video/x-raw,format=(string)NV12, width=720,height=420' ! videoscale ! waylandsink

    You must set the capsfilter after videoconvert.

    If you want to scale the video you must set the one more capsfilter but after videoscale like this:

    gst-launch-1.0 filesrc location=TearOfSteel-AV-Short-720x420.mp4 ! qtdemux ! mpeg4videoparse ! avdec_mpeg4 ! videoconvert ! 'video/x-raw,format=(string)NV12, width=720,height=420' ! videoscale !  'video/x-raw,format=(string)NV12, width=420,height=240' ! waylandsink

    Here is the same pipeline but with playbin

    gst-launch-1.0 playbin uri=file:///usr/share/ti/video/TearOfSteel-AV-Short-720x420.mp4 video-sink=" videoconvert ! 'video/x-raw,format=(string)NV12, width=720,height=420' ! videoscale !  'video/x-raw,format=(string)NV12, width=420,height=240' ! waylandsink"

    Hope this helps.

    BR
    Margarita