终于找到你了gstreamer appsink

beijing:~ # gst-inspect-1.0 appsink

Factory Details:

Rank none (0)

Long-name AppSink

Klass Generic/Sink

Description Allow the application to get access to raw buffer

Author David Schleef <ds@schleef.org>, Wim Taymans <wim.taymans@gmail.com>

Plugin Details:

Name app

Description Elements used to communicate with applications

Filename /usr/lib64/gstreamer-1.0/libgstapp.so

Version 1.4.3

License LGPL

Source module gst-plugins-base

Source release date 2014-09-24

Binary package GStreamer Base Plug-ins source release

Origin URL Unknown package origin

GObject

+----GInitiallyUnowned

+----GstObject

+----GstElement

+----GstBaseSink

+----GstAppSink

实现的接口:

GstURIHandler

Pad Templates:

SINK template: 'sink'

Availability: Always

Capabilities:

ANY

Element Flags:

no flags set

Element Implementation:

Has change_state() function: gst_base_sink_change_state

Element has no clocking capabilities.

URI handling capabilities:

Element can act as sink.

Supported URI protocols:

appsink

Pads:

SINK: 'sink'

Implementation:

Has chainfunc(): gst_base_sink_chain

Has custom eventfunc(): gst_base_sink_event

Has custom queryfunc(): gst_base_sink_sink_query

Has custom iterintlinkfunc(): gst_pad_iterate_internal_links_default

Pad Template: 'sink'

Element Properties:

name : The name of the object

flags: 可读, 可写

String. Default: "appsink0"

parent : The parent of the object

flags: 可读, 可写

Object of type "GstObject"

sync : Sync on the clock

flags: 可读, 可写

Boolean. Default: true

max-lateness : Maximum number of nanoseconds that a buffer can be late before it is dropped (-1 unlimited)

flags: 可读, 可写

Integer64. Range: -1 - 9223372036854775807 Default: -1

qos : Generate Quality-of-Service events upstream

flags: 可读, 可写

Boolean. Default: false

async : Go asynchronously to PAUSED

flags: 可读, 可写

Boolean. Default: true

ts-offset : Timestamp offset in nanoseconds

flags: 可读, 可写

Integer64. Range: -9223372036854775808 - 9223372036854775807 Default: 0

enable-last-sample : Enable the last-sample property

flags: 可读, 可写

Boolean. Default: true

last-sample : The last sample received in the sink

flags: 可读

Boxed pointer of type "GstSample"

blocksize : Size in bytes to pull per buffer (0 = default)

flags: 可读, 可写

Unsigned Integer. Range: 0 - 4294967295 Default: 4096

render-delay : Additional render delay of the sink in nanoseconds

flags: 可读, 可写

Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0

throttle-time : The time to keep between rendered buffers (0 = disabled)

flags: 可读, 可写

Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0

max-bitrate : The maximum bits per second to render (0 = disabled)

flags: 可读, 可写

Unsigned Integer64. Range: 0 - 18446744073709551615 Default: 0

caps : The allowed caps for the sink pad

flags: 可读, 可写

Caps (NULL)

eos : Check if the sink is EOS or not started

flags: 可读

Boolean. Default: true

emit-signals : Emit new-preroll and new-sample signals

flags: 可读, 可写

Boolean. Default: false

max-buffers : The maximum number of buffers to queue internally (0 = unlimited)

flags: 可读, 可写

Unsigned Integer. Range: 0 - 4294967295 Default: 0

drop : Drop old buffers when the buffer queue is filled

flags: 可读, 可写

Boolean. Default: false

Element Signals:

"eos" : void user_function (GstElement* object,

gpointer user_data);

"new-preroll" : GstFlowReturn user_function (GstElement* object,

gpointer user_data);

"new-sample" : GstFlowReturn user_function (GstElement* object,

gpointer user_data);

Element Actions:

"pull-preroll" : GstSample * user_function (GstElement* object);

"pull-sample" : GstSample * user_function (GstElement* object);

beijing:~ #