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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GstRTPBaseDepayload: GStreamer Base Plugins 1.0 Library 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 Library Reference Manual">
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<link rel="up" href="gstreamer-rtp.html" title="RTP Library">
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<link rel="prev" href="GstRTPBaseAudioPayload.html" title="GstRTPBaseAudioPayload">
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<link rel="next" href="GstRTPBasePayload.html" title="GstRTPBasePayload">
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<meta name="generator" content="GTK-Doc V1.27 (XML mode)">
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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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Properties
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GstRTPBaseDepayload
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GstRTPBaseDepayload — Base class for RTP depayloader
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Functions
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#define
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GST_RTP_BASE_DEPAYLOAD_SINKPAD()
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#define
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GST_RTP_BASE_DEPAYLOAD_SRCPAD()
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GstFlowReturn
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gst_rtp_base_depayload_push ()
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GstFlowReturn
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gst_rtp_base_depayload_push_list ()
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Properties
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GstStructure *
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stats
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Read
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Types and Values
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struct
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GstRTPBaseDepayload
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struct
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GstRTPBaseDepayloadClass
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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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╰── GstRTPBaseDepayload
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Includes
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#include <gst/rtp/gstrtpbasedepayload.h>
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Description
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Provides a base class for RTP depayloaders
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Functions
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GST_RTP_BASE_DEPAYLOAD_SINKPAD()
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#define GST_RTP_BASE_DEPAYLOAD_SINKPAD(depayload) (GST_RTP_BASE_DEPAYLOAD_CAST (depayload)->sinkpad)
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GST_RTP_BASE_DEPAYLOAD_SRCPAD()
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#define GST_RTP_BASE_DEPAYLOAD_SRCPAD(depayload) (GST_RTP_BASE_DEPAYLOAD_CAST (depayload)->srcpad)
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gst_rtp_base_depayload_push ()
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GstFlowReturn
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gst_rtp_base_depayload_push (GstRTPBaseDepayload *filter,
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GstBuffer *out_buf);
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Push out_buf
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to the peer of filter
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. This function takes ownership of
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out_buf
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.
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This function will by default apply the last incomming timestamp on
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the outgoing buffer when it didn't have a timestamp already.
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Parameters
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filter
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a GstRTPBaseDepayload
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out_buf
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a GstBuffer
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Returns
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a GstFlowReturn.
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gst_rtp_base_depayload_push_list ()
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GstFlowReturn
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gst_rtp_base_depayload_push_list (GstRTPBaseDepayload *filter,
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GstBufferList *out_list);
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Push out_list
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to the peer of filter
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. This function takes ownership of
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out_list
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.
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Parameters
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filter
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a GstRTPBaseDepayload
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out_list
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a GstBufferList
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Returns
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a GstFlowReturn.
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Types and Values
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struct GstRTPBaseDepayload
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struct GstRTPBaseDepayload;
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struct GstRTPBaseDepayloadClass
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struct GstRTPBaseDepayloadClass {
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GstElementClass parent_class;
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/* virtuals, inform the subclass of the caps. */
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gboolean (*set_caps) (GstRTPBaseDepayload *filter, GstCaps *caps);
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/* pure virtual function, child must implement either this method
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* or the process_rtp_packet virtual method to process incoming
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* rtp packets. If the child returns a buffer without a valid timestamp,
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* the timestamp of @in will be applied to the result buffer and the
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* buffer will be pushed. If this function returns %NULL, nothing is
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* pushed. */
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GstBuffer * (*process) (GstRTPBaseDepayload *base, GstBuffer *in);
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/* non-pure function used to to signal the depayloader about packet loss. the
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* timestamp and duration are the estimated values of the lost packet.
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* The default implementation of this message pushes a segment update. */
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gboolean (*packet_lost) (GstRTPBaseDepayload *filter, GstEvent *event);
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/* the default implementation does the default actions for events but
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* implementation can override. */
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gboolean (*handle_event) (GstRTPBaseDepayload * filter, GstEvent * event);
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/* Optional. Same as the process virtual function, but slightly more
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* efficient, since it is passed the rtp buffer structure that has already
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* been mapped (with GST_MAP_READ) by the base class and thus does not have
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* to be mapped again by the subclass. Can be used by the subclass to process
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* incoming rtp packets. If the subclass returns a buffer without a valid
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* timestamp, the timestamp of the input buffer will be applied to the result
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* buffer and the output buffer will be pushed out. If this function returns
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* %NULL, nothing is pushed out.
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*
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* Since: 1.6
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*/
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GstBuffer * (*process_rtp_packet) (GstRTPBaseDepayload *base, GstRTPBuffer * rtp_buffer);
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};
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Base class for RTP depayloaders.
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Members
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set_caps ()
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configure the depayloader
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process ()
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process incoming rtp packets
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packet_lost ()
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signal the depayloader about packet loss
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handle_event ()
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custom event handling
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process_rtp_packet ()
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Property Details
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The “stats” property
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“stats” GstStructure *
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Various depayloader statistics retrieved atomically (and are therefore
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synchroized with each other). This property return a GstStructure named
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application/x-rtp-depayload-stats containing the following fields relating to
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the last processed buffer and current state of the stream being depayloaded:
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clock-rate: G_TYPE_UINT, clock-rate of the stream
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npt-start: G_TYPE_UINT64, time of playback start
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npt-stop: G_TYPE_UINT64, time of playback stop
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play-speed: G_TYPE_DOUBLE, the playback speed
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play-scale: G_TYPE_DOUBLE, the playback scale
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running-time-dts: G_TYPE_UINT64, the last running-time of the
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last DTS
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running-time-pts: G_TYPE_UINT64, the last running-time of the
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last PTS
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seqnum: G_TYPE_UINT, the last seen seqnum
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timestamp: G_TYPE_UINT, the last seen RTP timestamp
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Flags: Read
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Generated by GTK-Doc V1.27
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