legend of pipeline graph dot file

[Liu Xin]

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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[Yi-Lung 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

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Yi-Lung (Bruce) Tsai

[hidden email]

On Apr 17, 2017, at 5:18 PM, Liu Xin <[hidden email]> 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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[wreuven]

On Apr 17, 2017, at 5:18 PM, Liu Xin <[hidden email]> wrote:
"For example, some pads are box with solid line, some are box with dashed
line, what's the difference?"

Dashed lines are used in 2 cases:
1) To show a request pad (a pad that was added due to an application
request)
2) To show the direction (e.g. push, pull) where a pad is connected to a
ghostpad



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