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118 lines
4 KiB
C
118 lines
4 KiB
C
/* GStreamer
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* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_BASE_RTP_PAYLOAD_H__
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#define __GST_BASE_RTP_PAYLOAD_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_BASE_RTP_PAYLOAD \
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(gst_basertppayload_get_type())
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#define GST_BASE_RTP_PAYLOAD(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayload))
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#define GST_BASE_RTP_PAYLOAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayload))
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#define GST_BASE_RTP_PAYLOAD_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_RTP_PAYLOAD, GstBaseRTPPayloadClass))
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#define GST_IS_BASE_RTP_PAYLOAD(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_RTP_PAYLOAD))
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#define GST_IS_BASE_RTP_PAYLOAD_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_RTP_PAYLOAD))
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typedef struct _GstBaseRTPPayload GstBaseRTPPayload;
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typedef struct _GstBaseRTPPayloadClass GstBaseRTPPayloadClass;
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#define GST_BASE_RTP_PAYLOAD_SINKPAD(payload) (GST_BASE_RTP_PAYLOAD (payload)->sinkpad)
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#define GST_BASE_RTP_PAYLOAD_SRCPAD(payload) (GST_BASE_RTP_PAYLOAD (payload)->srcpad)
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#define GST_BASE_RTP_PAYLOAD_PT(payload) (GST_BASE_RTP_PAYLOAD (payload)->pt)
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#define GST_BASE_RTP_PAYLOAD_MTU(payload) (GST_BASE_RTP_PAYLOAD (payload)->mtu)
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struct _GstBaseRTPPayload
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{
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GstElement element;
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/*< private >*/
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GstPad *sinkpad;
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GstPad *srcpad;
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GRand *seq_rand;
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GRand *ssrc_rand;
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GRand *ts_rand;
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guint32 ts_base;
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guint16 seqnum_base;
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gchar *media;
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gchar *encoding_name;
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gboolean dynamic;
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guint32 clock_rate;
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gint32 ts_offset;
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guint32 timestamp;
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gint16 seqnum_offset;
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guint16 seqnum;
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gint64 max_ptime;
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guint pt;
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guint ssrc;
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guint current_ssrc;
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guint mtu;
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GstSegment segment;
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstBaseRTPPayloadClass
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{
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GstElementClass parent_class;
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/* receive caps on the sink pad, configure the payloader. */
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gboolean (*set_caps) (GstBaseRTPPayload *payload, GstCaps *caps);
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/* handle a buffer, perform 0 or more gst_basertppayload_push() on
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* the RTP buffers */
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GstFlowReturn (*handle_buffer) (GstBaseRTPPayload *payload,
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GstBuffer *buffer);
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/*< private >*/
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gpointer _gst_reserved[GST_PADDING];
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};
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GType gst_basertppayload_get_type (void);
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void gst_basertppayload_set_options (GstBaseRTPPayload *payload,
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gchar *media, gboolean dynamic,
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gchar *encoding_name,
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guint32 clock_rate);
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gboolean gst_basertppayload_set_outcaps (GstBaseRTPPayload *payload,
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gchar *fieldname, ...);
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gboolean gst_basertppayload_is_filled (GstBaseRTPPayload *payload,
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guint size, GstClockTime duration);
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GstFlowReturn gst_basertppayload_push (GstBaseRTPPayload *payload,
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GstBuffer *buffer);
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G_END_DECLS
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#endif /* __GST_BASE_RTP_PAYLOAD_H__ */
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