Gaussianblur causes large latency

[landy]

Hi Edward, 


Thanks for you help. 
I added queue elements as you said, but no luck.
It informed that there was a timestamping problem. I have no idea what problem it is. 
Do you know that?


-Landy
------------------ Original ------------------
From:  "Edward Hervey-4 [via GStreamer-devel]";<ml-node+s966125n4667601h63 at n4.nabble.com>;
Date:  Fri, Jun 20, 2014 06:02 PM
To:  "僵尸还魂"<280896541 at qq.com>; 

Subject:  Re: Gaussianblur causes large latency



 	Hi, 

On Fri, 2014-06-20 at 01:50 -0700, landy wrote: 
> Hi all,  
>  
> I wanna to add a blur effect onto my video, but when I did it with plugin 
> gaussianblur, the performance turned very low. I searched a lot via google, 
> but no luck.  
>  
> Here is the commandlines:  
>  
> gst-launch-0.10.exe videotestsrc ! video/x-raw-yuv, framerate=25/1, 
> width=1024, height=768 ! ffmpegcolorspace ! gaussianblur sigma=10 ! 
> autovideoconvert ! autovideosink 

  All the processing is happening in one thread, which is not very 
optimal. 
  Put queue elements: 
    * just after videotestsrc 
    * just before autovideosink 
    * just before gaussianblur 

  That will spread out the load accross 4 threads. 

    Edward 

>  
> and logs:  
>  
> Setting pipeline to PAUSED ...  
> Pipeline is PREROLLING ...  
> Pipeline is PREROLLED ...  
> Setting pipeline to PLAYING ...  
> New clock: GstSystemClock  
> WARNING: from element 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo: 
> A lot of buffers are being dropped.  
> Additional debug info:  
> gstbasesink.c(2873): gst_base_sink_is_too_late (): 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo:  
> There may be a timestamping problem, or this computer is too slow.  
> WARNING: from element 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo: 
> A lot of buffers are being dropped.  
> Additional debug info:  
> gstbasesink.c(2873): gst_base_sink_is_too_late (): 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo:  
> There may be a timestamping problem, or this computer is too slow.  
> WARNING: from element 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo: 
> A lot of buffers are being dropped.  
> Additional debug info:  
> gstbasesink.c(2873): gst_base_sink_is_too_late (): 
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstD3DVideoSink:autovideosink0-actual-sink-d3dvideo:  
> There may be a timestamping problem, or this computer is too slow. 
>  
> The problem only occurs when the size of video is big, like 1024x768. If I 
> resize video to small one, for instance, 320x160, it's OK.  
>  
> I know that if I add "sync=false" to autovideosink element will solve a 
> little, but since i am going to play audio in the same time, so this is not 
> suitable to me. It will cause sync problem.  
>  
> So, guys, please give me a hand.  
> Thanks a lot.  
>  
> -Landy 
>  
>  
>  
> -- 
> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Gaussianblur-causes-large-latency-tp4667599.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com. 
> _______________________________________________ 
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--  
Edward Hervey 
[hidden email] 

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