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can not play videos with QT multimedia widgets, Buffers are dropped and the video lags Platform EGLFS

Question asked by Sriraman Ravi on Aug 18, 2015
Latest reply on Mar 22, 2016 by Sriraman Ravi

Hi All ,
I have built yocto image with

DISTRO_FEATURE_remove = " x11 wayland"

gstreamer1.0 support for QT5.5 for imx6q board from freescale.

Kernel version built is 3.10.17

Platform EGLFS

 

I tried to run the example applications from QT5.5 such as QMLvideo from multimedia and it plays video smoothly without any delays.

 

but when i try to play video with videowidget from multimediawidgets example then i get a Warning: "A lot of buffers are being dropped."

 

This occurs only when i try to play mp4 video 1280x720, 1080x720 any video with higher pixel size.

and when i play video with lesser video image size it plays ok for example video with 360x240.

 

Note: videosink used above is qgstvideorenderersink.

 

Also, i would like to point out that the same video with 1280x720 plays well when i play it with gstreamer 1.0 with the following command

 

gst-launch-1.0 playbin uri=file:///home/root/mini.mp4

 

Any help or pointers related to this issue will be helpful!

 

Thanks & Regards
Sriraman Ravi

 

P.S the video sample is also attached.

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