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GStreamer Bad Plugins 0.10 Plugins Reference Manual | ![]() |
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Top | Description | Properties |
Detect bar codes in the video streams and send them as element messages to
the GstBus if ."message" property is TRUE
.
The element generate messages named
"barcode"
. The structure containes these
fields:
GstClockTime
"timestamp"
:
the timestamp of the buffer that triggered the message.
gchar*
"type"
:
the symbol type.
gchar*
"symbol"
:
the deteted bar code data.
gint
"quality"
:
an unscaled, relative quantity: larger values are better than smaller
values.
1 |
gst-launch -m v4l2src ! ffmpegcolorspace ! zbar ! ffmpegcolorspace ! xvimagesink |
1 |
gst-launch -m v4l2src ! tee name=t ! queue ! ffmpegcolorspace ! zbar ! fakesink t. ! queue ! xvimagesink |
"message"
property"message" gboolean : Read / Write
Post a barcode message for each detected code.
Default value: TRUE