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debugutils: add a legend to pipeline dumps

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We use a couple of symbols to represent states/flags. Add a short explanation for them.
This commit is contained in:
Stefan Sauer 2014-02-26 20:24:41 +01:00
parent e3d57dc11d
commit 8355a9034b
1 changed files with 6 additions and 0 deletions
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6
gst/gstdebugutils.c
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@ -664,6 +664,12 @@ gst_debug_bin_to_dot_file (GstBin * bin, GstDebugGraphDetails details,
" label=\"<%s>\\n%s%s%s\";\n"
" node [style=filled, shape=box, fontsize=\"9\", fontname=\"sans\", margin=\"0.0,0.0\"];\n"
" edge [labelfontsize=\"6\", fontsize=\"9\", fontname=\"monospace\"];\n"
" \n"
" legend [\n"
" pos=\"0,0!\",\n"
" margin=\"0.05,0.05\",\n"
" label=\"Legend\\lElement-States: [~] void-pending, [0] null, [-] ready, [=] paused, [>] playing\\lPad-Activation: [-] none, [>] push, [<] pull\\lPad-Flags: [b]locked, [f]lushing, [b]locking; upper-case is set\\lPad-Task: [T] has started task, [t] has paused task\\l\"\n,"
" ];"
"\n", G_OBJECT_TYPE_NAME (bin), GST_OBJECT_NAME (bin),
(state_name ? state_name : ""), (param_name ? param_name : "")
);