Fbdevsink Low Framerate on Raspberry Pi

Dave Johnstone dave at digits.tv
Mon Jun 27 01:38:23 UTC 2016


I meant avconv, of course.

I also tried a mjpeg file in a quicktime container which plays but drops 
frames.  It also exhibits the brief flash at the start and does not exit 
when finished.

Dave.

On 27/06/2016 10:46 AM, Dave Johnstone wrote:
> Ok, I tried a new file in an mp4 container (created in prores, 
> converted with avprobe libx264 -pix_fmt yuv420p) and this will play.  
> When starting playback there is a flash on screen, the file then plays 
> OK until the end when one of the last few frames stays on screen for 
> around 3 seconds before it stops (my file starts and ends in black).  
> Gst-launch-1.0 then exits with an error:
>
>
> gst-launch-1.0 playbin uri=file:///home/digits/footy/testGFX/noise.mp4
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> Got context from element 'sink': gst.gl.GLDisplay=context, 
> gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayEGL\)\ gldisplayegl0";
> Got context from element 'playsink': gst.gl.GLDisplay=context, 
> gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayEGL\)\ gldisplayegl0";
> Pipeline is PREROLLED ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> 0:00:04.559570252 13167 0x73d224f0 ERROR               glmemory 
> gstglmemoryegl.c:201:_gl_mem_copy: GstGLMemoryEGL does not support copy
> Got EOS from element "playbin0".
> Execution ended after 0:00:03.813062393
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
> Regards,
>
> Dave.
> On 27/06/2016 9:38 AM, Nicolas Dufresne wrote:
>> This file has no container, hence require special treatment. You should
>> be able to play it, but since there is no timestamp information, the
>> behaviour will be slightly undefined.
>>
>> gst-launch-1.0 filesrc location=test.h264 ! h264parse ! decodebin !
>> glimagsink
>>
>> Nicolas
>>
>

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