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/* GStreamer plugin for forward error correction
* Copyright (C) 2017 Pexip
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Mikhail Fludkov <misha@pexip.com>
*/
#ifndef __GST_FEC_H__
#define __GST_FEC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_RTP_ULPFEC_ENC \
(gst_rtp_ulpfec_enc_get_type())
#define GST_RTP_ULPFEC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_ULPFEC_ENC,GstRtpUlpFecEnc))
#define GST_RTP_ULPFEC_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_ULPFEC_ENC,GstRtpUlpFecEncClass))
#define GST_IS_RTP_ULPFEC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_ULPFEC_ENC))
#define GST_IS_RTP_ULPFEC_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_ULPFEC_ENC))
typedef struct _GstRtpUlpFecEnc GstRtpUlpFecEnc;
typedef struct _GstRtpUlpFecEncClass GstRtpUlpFecEncClass;
struct _GstRtpUlpFecEncClass {
GstElementClass parent_class;
};
struct _GstRtpUlpFecEnc {
GstElement parent;
GstPad *srcpad;
GstPad *sinkpad;
GHashTable *ssrc_to_ctx;
/* properties */
guint pt;
guint32 ssrc;
guint percentage;
guint percentage_important;
gboolean multipacket;
guint num_packets_protected;
};
typedef struct {
guint ssrc;
GstElement *parent;
GstPad *srcpad;
/* settings */
guint pt;
guint percentage;
guint percentage_important;
gboolean multipacket;
gboolean mux_seq;
guint num_packets_protected;
guint16 seqnum;
guint seqnum_offset;
guint num_packets_received;
guint num_packets_fec;
guint fec_nth;
GQueue packets_buf;
gdouble budget;
gdouble budget_inc;
gdouble budget_important;
gdouble budget_inc_important;
GArray *info_arr;
GArray *scratch_buf;
guint fec_packets;
guint fec_packet_idx;
} GstRtpUlpFecEncStreamCtx;
GType gst_rtp_ulpfec_enc_get_type (void);
G_END_DECLS
#endif /* __GST_FEC_H__ */
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