Hello,<br> I'm trying to write an application playing video files (using filesrc+decodebin+videobox..etc encapsulated into a 'sourceBin'), mixing them (videomixer )and displaying the result on screen. Each source can be added and removed dynamically from the pipeline, each source has to be controlled independently.<br> <br> Adding sources dynamically works fine, but :<br> - what is the right way to remove a source without disturbing all elements in pipeline ? (Should i block pads/pause videomixer/pause pipeline ?)<br> - How can i pause a source without disturbing others ?<br> <br> Thanks.<br> <br> <br> <br> <p> 
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