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/* RTP Retransmission sender element for GStreamer
*
* gstrtprtxsend.h:
*
* Copyright (C) 2013 Collabora Ltd.
* @author Julien Isorce <julien.isorce@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_RTP_RTX_SEND_H__
#define __GST_RTP_RTX_SEND_H__
#include <gst/gst.h>
#include <gst/rtp/gstrtpbuffer.h>
#include <gst/base/gstdataqueue.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_RTX_SEND (gst_rtp_rtx_send_get_type())
#define GST_RTP_RTX_SEND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_RTX_SEND, GstRtpRtxSend))
#define GST_RTP_RTX_SEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_RTX_SEND, GstRtpRtxSendClass))
#define GST_RTP_RTX_SEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTP_RTX_SEND, GstRtpRtxSendClass))
#define GST_IS_RTP_RTX_SEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_RTX_SEND))
#define GST_IS_RTP_RTX_SEND_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_RTX_SEND))
typedef struct _GstRtpRtxSend GstRtpRtxSend;
typedef struct _GstRtpRtxSendClass GstRtpRtxSendClass;
struct _GstRtpRtxSend
{
GstElement element;
/* pad */
GstPad *sinkpad;
GstPad *srcpad;
/* rtp packets that will be pushed out */
GstDataQueue *queue;
/* ssrc -> SSRCRtxData */
GHashTable *ssrc_data;
/* rtx ssrc -> master ssrc */
GHashTable *rtx_ssrcs;
/* master ssrc -> rtx ssrc (property) */
GstStructure *external_ssrc_map;
/* orig pt (uint) -> rtx pt (uint) */
GHashTable *rtx_pt_map;
/* orig pt (string) -> rtx pt (uint) */
GstStructure *rtx_pt_map_structure;
/* orig pt (uint) -> clock rate (uint) */
GHashTable *clock_rate_map;
/* orig pt (string) -> clock rate (uint) */
GstStructure *clock_rate_map_structure;
/* buffering control properties */
guint max_size_time;
guint max_size_packets;
/* statistics */
guint num_rtx_requests;
guint num_rtx_packets;
};
struct _GstRtpRtxSendClass
{
GstElementClass parent_class;
};
GType gst_rtp_rtx_send_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (rtprtxsend);
G_END_DECLS
#endif /* __GST_RTP_RTX_SEND_H__ */
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