| Top |  |
 |
 |
 |
Properties
| GstCaps * | caps | Read / Write |
| gboolean | drop | Read / Write |
| gboolean | emit-signals | Read / Write |
| gboolean | eos | Read |
| guint | max-buffers | Read / Write |
| gboolean | wait-on-eos | Read / Write |
| gboolean | buffer-list | Read / Write |
Object Hierarchy
GObject ╰── GInitiallyUnowned ╰── GstObject ╰── GstElement ╰── GstBaseSink ╰── GstAppSink
Description
Appsink is a sink plugin that supports many different methods for making the application get a handle on the GStreamer data in a pipeline. Unlike most GStreamer elements, Appsink provides external API functions.
For the documentation of the API, please see the
libgstapp section inthe GStreamer Plugins Base Libraries documentation.
Synopsis
Element Information
plugin |
app |
author |
David Schleef <ds@schleef.org>, Wim Taymans <wim.taymans@gmail.com> |
class |
Generic/Sink |
Property Details
The “drop” property
“drop” gboolean
Drop old buffers when the buffer queue is filled.
Flags: Read / Write
Default value: FALSE
The “emit-signals” property
“emit-signals” gboolean
Emit new-preroll and new-sample signals.
Flags: Read / Write
Default value: FALSE
The “eos” property
“eos” gboolean
Check if the sink is EOS or not started.
Flags: Read
Default value: TRUE
The “max-buffers” property
“max-buffers” guint
The maximum number of buffers to queue internally (0 = unlimited).
Flags: Read / Write
Default value: 0
The “wait-on-eos” property
“wait-on-eos” gboolean
Wait for all buffers to be processed after receiving an EOS.
Flags: Read / Write
Default value: TRUE
The “buffer-list” property
“buffer-list” gboolean
Use buffer lists.
Flags: Read / Write
Default value: FALSE
Signal Details
The “new-preroll” signal
GstFlowReturn user_function (GstAppSink *gstappsink, gpointer user_data)
Flags: Run Last
The “new-sample” signal
GstFlowReturn user_function (GstAppSink *gstappsink, gpointer user_data)
Flags: Run Last
The “pull-preroll” signal
GstSample* user_function (GstAppSink *gstappsink, gpointer user_data)
Flags: Action
The “pull-sample” signal
GstSample* user_function (GstAppSink *gstappsink, gpointer user_data)
Flags: Action
The “try-pull-preroll” signal
GstSample* user_function (GstAppSink *gstappsink, guint64 arg1, gpointer user_data)
Flags: Action
The “try-pull-sample” signal
GstSample* user_function (GstAppSink *gstappsink, guint64 arg1, gpointer user_data)
Flags: Action