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<title>GstAggregatorPad: GStreamer 1.0 Library Reference Manual</title>
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<link rel="up" href="gstreamer-base.html" title="GStreamer Base and Utility Classes">
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<link rel="prev" href="GstAggregator.html" title="GstAggregator">
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Top |
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Description |
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Object Hierarchy |
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Properties |
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Signals
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GstAggregatorPad
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GstAggregatorPad — GstPad subclass for pads managed by GstAggregator
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GstBuffer *
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gst_aggregator_pad_pop_buffer ()
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GstBuffer *
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gst_aggregator_pad_peek_buffer ()
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gboolean
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gst_aggregator_pad_drop_buffer ()
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gboolean
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gst_aggregator_pad_is_eos ()
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gboolean
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gst_aggregator_pad_has_buffer ()
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gboolean
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emit-signals
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Read / Write
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Signals
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void
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buffer-consumed
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Run First
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Types and Values
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struct
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GstAggregatorPad
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struct
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GstAggregatorPadClass
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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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╰── GstPad
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╰── GstAggregatorPad
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Includes
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#include <gst/base/base.h>
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Description
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Pads managed by a GstAggregor subclass.
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This class used to live in gst-plugins-bad and was moved to core.
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gst_aggregator_pad_pop_buffer ()
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GstBuffer *
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gst_aggregator_pad_pop_buffer (GstAggregatorPad *pad);
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Steal the ref to the buffer currently queued in pad
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Parameters
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pad
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the pad to get buffer from
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Returns
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The buffer in pad
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or NULL if no buffer was
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queued. You should unref the buffer after usage.
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[transfer full]
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gst_aggregator_pad_peek_buffer ()
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GstBuffer *
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gst_aggregator_pad_peek_buffer (GstAggregatorPad *pad);
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Parameters
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pad
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the pad to get buffer from
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Returns
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A reference to the buffer in pad
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or
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NULL if no buffer was queued. You should unref the buffer after
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usage.
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[transfer full]
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gst_aggregator_pad_drop_buffer ()
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gboolean
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gst_aggregator_pad_drop_buffer (GstAggregatorPad *pad);
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Drop the buffer currently queued in pad
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pad
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the pad where to drop any pending buffer
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Returns
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TRUE if there was a buffer queued in pad
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, or FALSE if not.
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gst_aggregator_pad_is_eos ()
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gboolean
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gst_aggregator_pad_is_eos (GstAggregatorPad *pad);
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pad
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an aggregator pad
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Returns
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TRUE if the pad is EOS, otherwise FALSE.
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gst_aggregator_pad_has_buffer ()
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gboolean
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gst_aggregator_pad_has_buffer (GstAggregatorPad *pad);
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This checks if a pad has a buffer available that will be returned by
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a call to gst_aggregator_pad_peek_buffer() or
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gst_aggregator_pad_pop_buffer().
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Parameters
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pad
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the pad to check the buffer on
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Returns
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TRUE if the pad has a buffer available as the next thing.
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Since: 1.14.1
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Types and Values
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struct GstAggregatorPad
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struct GstAggregatorPad {
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/* Protected by the OBJECT_LOCK */
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GstSegment segment;
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};
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The implementation the GstPad to use with GstAggregator
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Members
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GstSegment segment;
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last segment received.
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Since: 1.14
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struct GstAggregatorPadClass
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struct GstAggregatorPadClass {
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GstPadClass parent_class;
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GstFlowReturn (*flush) (GstAggregatorPad * aggpad, GstAggregator * aggregator);
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gboolean (*skip_buffer) (GstAggregatorPad * aggpad, GstAggregator * aggregator, GstBuffer * buffer);
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};
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flush ()
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Optional
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Called when the pad has received a flush stop, this is the place
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to flush any information specific to the pad, it allows for individual
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pads to be flushed while others might not be.
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skip_buffer ()
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Optional
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Called before input buffers are queued in the pad, return TRUE
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if the buffer should be skipped.
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Since: 1.14
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Property Details
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The “emit-signals” property
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“emit-signals” gboolean
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Enables the emission of signals such as “buffer-consumed”
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Flags: Read / Write
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Default value: FALSE
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Since: 1.16
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Signal Details
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The “buffer-consumed” signal
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void
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user_function (GstAggregatorPad *gstaggregatorpad,
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GstBuffer *arg1,
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gpointer user_data)
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Flags: Run First
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See Also
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gstcollectpads for historical reasons.
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Generated by GTK-Doc V1.28
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</body>
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