text overlay

[Andrey Nechypurenko]

> GST_DEBUG_DUMP_DOT_DIR=$PWD gst-launch playbin uri=/path/to/file

> ERRORE: dall'elemento /GstPlayBin:playbin0: URI «/home/boss/test/video.avi»
> non valido

/path/to/file is not a valid URI.

try uri=file:///path/to/file
instead of
uri=/path/to/file