| GStreamer Bad Plugins 0.10 Plugins Reference Manual | ||||
|---|---|---|---|---|
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.
gst-launch -m videotestsrc ! videoanalyse ! ffmpegcolorspace ! ximagesink
Last reviewed on 2007-05-30 (0.10.5)
plugin |
videosignal |
author |
Wim Taymans <wim@fluendo.com> |
class |
Filter/Effect/Video |
name |
src |
direction |
source |
presence |
always |
details |
video/x-raw-yuv, format=(fourcc){ I420, YV12 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
name |
sink |
direction |
sink |
presence |
always |
details |
video/x-raw-yuv, format=(fourcc){ I420, YV12 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ] |
"message" property"message" gboolean : Read / Write / Construct
Post statics messages.
Default value: TRUE