| GStreamer Bad Plugins 0.10 Plugins Reference Manual | ||||
|---|---|---|---|---|
| Top | Description | Object Hierarchy | Properties | ||||
GObject +----GstObject +----GstElement +----GstBaseTransform +----GstVideoFilter +----GstVideoAnalyse
This plugin analyses every video frame and if the "message"
property is TRUE, posts an element message with video statistics called
"GstVideoAnalyse".
The message's structure contains these fields:
GstClockTime
"timestamp":
the timestamp of the buffer that triggered the message.
GstClockTime
"stream-time":
the stream time of the buffer.
GstClockTime
"running-time":
the running_time of the buffer.
GstClockTime
"duration":
the duration of the buffer.
gdouble
"brightness":
the average brightness of the frame.
gdouble
"brightness-variance":
the brightness variance of the frame.
1 |
gst-launch -m videotestsrc ! videoanalyse ! ffmpegcolorspace ! ximagesink |
Last reviewed on 2007-05-30 (0.10.5)
"message" property"message" gboolean : Read / Write / Construct
Post statics messages.
Default value: TRUE