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<title>appsink: GStreamer Base Plugins 1.0 Plugins Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Plugins Reference Manual">
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<link rel="up" href="ch01.html" title="gst-plugins-base Elements">
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<link rel="prev" href="gst-plugins-base-plugins-alsasink.html" title="alsasink">
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<link rel="next" href="gst-plugins-base-plugins-alsasrc.html" title="alsasrc">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy |
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Implemented Interfaces |
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Properties |
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Signals
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appsink
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appsink
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Properties
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GstCaps *
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caps
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Read / Write
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gboolean
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drop
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Read / Write
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gboolean
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emit-signals
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Read / Write
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gboolean
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eos
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Read
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guint
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max-buffers
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Read / Write
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gboolean
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wait-on-eos
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Read / Write
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gboolean
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buffer-list
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Read / Write
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Signals
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void
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eos
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Run Last
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GstFlowReturn
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new-preroll
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Run Last
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GstFlowReturn
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new-sample
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Run Last
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GstSample*
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pull-preroll
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Action
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GstSample*
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pull-sample
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Action
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GstSample*
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try-pull-preroll
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Action
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GstSample*
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try-pull-sample
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Action
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Types and Values
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struct
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GstAppSink
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Object Hierarchy
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GObject
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╰── GInitiallyUnowned
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╰── GstObject
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╰── GstElement
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╰── GstBaseSink
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╰── GstAppSink
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Implemented Interfaces
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GstAppSink implements
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GstURIHandler.
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Description
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Appsink is a sink plugin that supports many different methods for making
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the application get a handle on the GStreamer data in a pipeline. Unlike
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most GStreamer elements, Appsink provides external API functions.
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For the documentation of the API, please see the
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libgstapp section in
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the GStreamer Plugins Base Libraries documentation.
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Synopsis
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Element Information
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plugin
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app
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author
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David Schleef <ds@schleef.org>, Wim Taymans <wim.taymans@gmail.com>
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class
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Generic/Sink
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Element Pads
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name
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sink
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direction
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sink
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presence
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always
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details
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ANY
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Functions
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Types and Values
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struct GstAppSink
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struct GstAppSink;
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Property Details
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The “caps” property
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“caps” GstCaps *
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The allowed caps for the sink pad.
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Flags: Read / Write
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The “drop” property
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“drop” gboolean
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Drop old buffers when the buffer queue is filled.
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Flags: Read / Write
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Default value: FALSE
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The “emit-signals” property
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“emit-signals” gboolean
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Emit new-preroll and new-sample signals.
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Flags: Read / Write
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Default value: FALSE
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The “eos” property
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“eos” gboolean
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Check if the sink is EOS or not started.
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Flags: Read
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Default value: TRUE
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The “max-buffers” property
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“max-buffers” guint
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The maximum number of buffers to queue internally (0 = unlimited).
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Flags: Read / Write
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Default value: 0
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The “wait-on-eos” property
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“wait-on-eos” gboolean
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Wait for all buffers to be processed after receiving an EOS.
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Flags: Read / Write
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Default value: TRUE
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The “buffer-list” property
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“buffer-list” gboolean
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Use buffer lists.
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Flags: Read / Write
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Default value: FALSE
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Signal Details
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The “eos” signal
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void
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user_function (GstAppSink *gstappsink,
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gpointer user_data)
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Flags: Run Last
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The “new-preroll” signal
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GstFlowReturn
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user_function (GstAppSink *gstappsink,
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gpointer user_data)
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Flags: Run Last
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The “new-sample” signal
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GstFlowReturn
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user_function (GstAppSink *gstappsink,
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gpointer user_data)
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Flags: Run Last
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The “pull-preroll” signal
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GstSample*
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user_function (GstAppSink *gstappsink,
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gpointer user_data)
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Flags: Action
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The “pull-sample” signal
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GstSample*
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user_function (GstAppSink *gstappsink,
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gpointer user_data)
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Flags: Action
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The “try-pull-preroll” signal
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GstSample*
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user_function (GstAppSink *gstappsink,
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guint64 arg1,
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gpointer user_data)
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Flags: Action
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The “try-pull-sample” signal
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GstSample*
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user_function (GstAppSink *gstappsink,
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guint64 arg1,
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gpointer user_data)
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Flags: Action
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Generated by GTK-Doc V1.27
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</body>
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