legend of pipeline graph dot file

[Bruce Tsai]

According to https://cgit.freedesktop.org/gstreamer/gstreamer/tree/gst/gstdebugutils.c#n777

Element-States: [~] void-pending, [0] null, [-] ready, [=] paused, [>] playing
Pad-Activation: [-] none, [>] push, [<] pull
Pad-Flags: [b]locked, [f]lushing, [b]locking; upper-case is set
Pad-Task: [T] has started task, [t] has paused task


--
Yi-Lung (Bruce) Tsai
wagamama.tsai at gmail.com





> On Apr 17, 2017, at 5:18 PM, Liu Xin <liuxin8166 at hotmail.com> wrote:
> 
> hi folks,
> 
> As a beginner, I find the dot file of pipeline graph is a really powerful debugging tool. However, I can't find any legend or detailed descriptions about all the meaning behind the graphical feature. For example, some pads are box with solid line, some are box with dashed line, what's the difference? "[>]" seems to indicate PLAYING state, what about other state? What's "[bfb]" means?
> 
> Any help is appreciated.
> 
> Thanks,
> Xin
> 
> 
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