shmsink

shmsink

Properties

guint perms Read / Write
guint shm-size Read / Write
gchar * socket-path Read / Write
gboolean wait-for-connection Read / Write
gint64 buffer-time Read / Write / Construct

Signals

Types and Values

struct GstShmSink

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstElement
                ╰── GstBaseSink
                    ╰── GstShmSink

Description

Send data over shared memory to the matching source.

Example launch lines

1
gst-launch-1.0 -v videotestsrc !  shmsink socket-path=/tmp/blah shm-size=1000000
Send video to shm buffers.

Synopsis

Element Information

plugin

shm

author

Olivier Crete <olivier.crete@collabora.co.uk>

class

Sink

Element Pads

name

sink

direction

sink

presence

always

details

ANY

Functions

Types and Values

struct GstShmSink

struct GstShmSink;

Property Details

The “perms” property

  “perms”                    guint

Permissions to set on the shm area.

Flags: Read / Write

Allowed values: <= 4095

Default value: 416


The “shm-size” property

  “shm-size”                 guint

Size of the shared memory area.

Flags: Read / Write

Default value: 67108864


The “socket-path” property

  “socket-path”              gchar *

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


The “wait-for-connection” property

  “wait-for-connection”      gboolean

Block the stream until the shm pipe is connected.

Flags: Read / Write

Default value: TRUE


The “buffer-time” property

  “buffer-time”              gint64

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

Flags: Read / Write / Construct

Allowed values: >= G_MAXULONG

Default value: -1

Signal Details

The “client-connected” signal

void
user_function (GstShmSink *gstshmsink,
               gint        arg1,
               gpointer    user_data)

Flags: Run Last


The “client-disconnected” signal

void
user_function (GstShmSink *gstshmsink,
               gint        arg1,
               gpointer    user_data)

Flags: Run Last