shmsink

Send data over shared memory to the matching source.

Example launch lines

 gst-launch-1.0 -v videotestsrc ! "video/x-raw, format=YUY2, color-matrix=sdtv, \
 chroma-site=mpeg2, width=(int)320, height=(int)240, framerate=(fraction)30/1" \
 ! shmsink socket-path=/tmp/blah shm-size=2000000

Send video to shm buffers.

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseSink
                    ╰──shmsink

Factory details

Authors: – Olivier Crete

Classification: – Sink

Rank – none

Plugin – shm

Package – GStreamer Bad Plug-ins

Pad Templates

sink

ANY

Presence – always

Direction – sink

Object type – GstPad

Signals

client-connected 

client_connected_callback (GstElement * param_0,
                           gint arg0,
                           gpointer udata)
def client_connected_callback (param_0, arg0, udata):
    #python callback for the 'client-connected' signal
function client_connected_callback(param_0: GstElement * param_0, arg0: gint arg0, udata: gpointer udata): {
    // javascript callback for the 'client-connected' signal
}

Parameters:

param_0 –
No description available
arg0 –
No description available
udata –
No description available

Flags: Run Last

client-disconnected 

client_disconnected_callback (GstElement * param_0,
                              gint arg0,
                              gpointer udata)
def client_disconnected_callback (param_0, arg0, udata):
    #python callback for the 'client-disconnected' signal
function client_disconnected_callback(param_0: GstElement * param_0, arg0: gint arg0, udata: gpointer udata): {
    // javascript callback for the 'client-disconnected' signal
}

Parameters:

param_0 –
No description available
arg0 –
No description available
udata –
No description available

Flags: Run Last

Properties

buffer-time 

“buffer-time” gint64

Maximum Size of the shm buffer in nanoseconds (-1 to disable)

Flags : Read / Write / Construct

Default value : 18446744073709551615

perms 

“perms” guint

Permissions to set on the shm area

Flags : Read / Write

Default value : 416

shm-size 

“shm-size” guint

Size of the shared memory area

Flags : Read / Write

Default value : 67108864

socket-path 

“socket-path” gchararray

The path to the control socket used to control the shared memory transport. This may be modified during the NULL->READY transition

Flags : Read / Write

Default value : NULL

wait-for-connection 

“wait-for-connection” gboolean

Block the stream until the shm pipe is connected

Flags : Read / Write

Default value : true

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