Decrease latency between different branches of pipeline

[sielf]

Nicolas Dufresne-5 wrote
> Le jeudi 23 mars 2017 à 06:57 -0700, sielf a écrit :
>> 
> 
> Expose the full pipeline, because I think you break the performance at
> the "tee", which drops allocation query, hence breaks zero-copy.
> 
> Nicolas
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The full pipeline is:
imxv4l2videosrc-videoconvert(colorspace)-queue--tee--queue-videoconvert(colorspace)-imxg2dvideosink                                                                           
                                                                         
|--queue--videoconvert (colorspace) ---imxg2dvideotransform
(rescale)---videoconvert(colorspace)--imxvpuenc_h264---avimux--filesink
                                                                         
|--queue--videoconvert-appsink


Queues have parameters: max-size-time=10s, max-size-bytes=100M
max-size-buffers-500 , I've changed this without any effect. All sink were
tried with sync false and true. Qos everywhere is true. Coder has bitrate=0,
gop-size=16 quant-param=24 idr=16.



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