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/* GStreamer
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_BASE_RTP_PAYLOAD_H__
#define __GST_BASE_RTP_PAYLOAD_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_BASE_RTP_PAYLOAD \
(gst_basertppayload_get_type())
#define GST_BASE_RTP_PAYLOAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayload))
#define GST_BASE_RTP_PAYLOAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_RTP_PAYLOAD,GstBaseRTPPayloadClass))
#define GST_BASE_RTP_PAYLOAD_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_BASE_RTP_PAYLOAD, GstBaseRTPPayloadClass))
#define GST_IS_BASE_RTP_PAYLOAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_RTP_PAYLOAD))
#define GST_IS_BASE_RTP_PAYLOAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_RTP_PAYLOAD))
#define GST_BASE_RTP_PAYLOAD_CAST(obj) \
((GstBaseRTPPayload*)(obj))
typedef struct _GstBaseRTPPayload GstBaseRTPPayload;
typedef struct _GstBaseRTPPayloadPrivate GstBaseRTPPayloadPrivate;
typedef struct _GstBaseRTPPayloadClass GstBaseRTPPayloadClass;
/**
* GST_BASE_RTP_PAYLOAD_SINKPAD:
* @payload: a #GstBaseRTPPayload
*
* Get access to the sinkpad of @payload.
*/
#define GST_BASE_RTP_PAYLOAD_SINKPAD(payload) (GST_BASE_RTP_PAYLOAD (payload)->sinkpad)
/**
* GST_BASE_RTP_PAYLOAD_SRCPAD:
* @payload: a #GstBaseRTPPayload
*
* Get access to the srcpad of @payload.
*/
#define GST_BASE_RTP_PAYLOAD_SRCPAD(payload) (GST_BASE_RTP_PAYLOAD (payload)->srcpad)
/**
* GST_BASE_RTP_PAYLOAD_PT:
* @payload: a #GstBaseRTPPayload
*
* Get access to the configured payload type of @payload.
*/
#define GST_BASE_RTP_PAYLOAD_PT(payload) (GST_BASE_RTP_PAYLOAD (payload)->pt)
/**
* GST_BASE_RTP_PAYLOAD_MTU:
* @payload: a #GstBaseRTPPayload
*
* Get access to the configured MTU of @payload.
*/
#define GST_BASE_RTP_PAYLOAD_MTU(payload) (GST_BASE_RTP_PAYLOAD (payload)->mtu)
struct _GstBaseRTPPayload
{
GstElement element;
/*< private >*/
GstPad *sinkpad;
GstPad *srcpad;
/* FIXME 0.11: none of these GRands are used anymore, remove them */
GRand *seq_rand;
GRand *ssrc_rand;
GRand *ts_rand;
guint32 ts_base;
guint16 seqnum_base;
gchar *media;
gchar *encoding_name;
gboolean dynamic;
guint32 clock_rate;
gint32 ts_offset;
guint32 timestamp;
gint16 seqnum_offset;
guint16 seqnum;
gint64 max_ptime;
guint pt;
guint ssrc;
guint current_ssrc;
guint mtu;
GstSegment segment;
guint64 min_ptime;
/*< private >*/
GstBaseRTPPayloadPrivate *priv;
union {
struct {
guint64 ptime; /* in ns */
} ABI;
gpointer _gst_reserved[GST_PADDING - (sizeof(guint64)/sizeof(gpointer)) - 1];
} abidata;
};
struct _GstBaseRTPPayloadClass
{
GstElementClass parent_class;
/* receive caps on the sink pad, configure the payloader. */
gboolean (*set_caps) (GstBaseRTPPayload *payload, GstCaps *caps);
/* handle a buffer, perform 0 or more gst_basertppayload_push() on
* the RTP buffers. This function takes ownership of the buffer. */
GstFlowReturn (*handle_buffer) (GstBaseRTPPayload *payload,
GstBuffer *buffer);
gboolean (*handle_event) (GstPad * pad, GstEvent * event);
GstCaps * (*get_caps) (GstBaseRTPPayload *payload, GstPad * pad);
/*< private >*/
gpointer _gst_reserved[GST_PADDING-2];
};
GType gst_basertppayload_get_type (void);
void gst_basertppayload_set_options (GstBaseRTPPayload *payload,
gchar *media, gboolean dynamic,
gchar *encoding_name,
guint32 clock_rate);
gboolean gst_basertppayload_set_outcaps (GstBaseRTPPayload *payload,
gchar *fieldname, ...);
gboolean gst_basertppayload_is_filled (GstBaseRTPPayload *payload,
guint size, GstClockTime duration);
GstFlowReturn gst_basertppayload_push (GstBaseRTPPayload *payload,
GstBuffer *buffer);
GstFlowReturn gst_basertppayload_push_list (GstBaseRTPPayload *payload,
GstBufferList *list);
G_END_DECLS
#endif /* __GST_BASE_RTP_PAYLOAD_H__ */
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