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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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5dc280de9f
In redenc, when input buffers have a header for the TWCC extension, we now add one to our wrapper buffers. In ulpfecenc we add one in that case to our protection buffers. This makes TWCC functional when UlpRed is used in webrtcbin. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1414>
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* GStreamer plugin for forward error correction
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* Copyright (C) 2017 Pexip
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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 Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Author: Mikhail Fludkov <misha@pexip.com>
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*/
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#ifndef __GST_FEC_H__
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#define __GST_FEC_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_RTP_ULPFEC_ENC \
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(gst_rtp_ulpfec_enc_get_type())
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#define GST_RTP_ULPFEC_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_ULPFEC_ENC,GstRtpUlpFecEnc))
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#define GST_RTP_ULPFEC_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_ULPFEC_ENC,GstRtpUlpFecEncClass))
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#define GST_IS_RTP_ULPFEC_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_ULPFEC_ENC))
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#define GST_IS_RTP_ULPFEC_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_ULPFEC_ENC))
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typedef struct _GstRtpUlpFecEnc GstRtpUlpFecEnc;
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typedef struct _GstRtpUlpFecEncClass GstRtpUlpFecEncClass;
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struct _GstRtpUlpFecEncClass {
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GstElementClass parent_class;
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};
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struct _GstRtpUlpFecEnc {
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GstElement parent;
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GstPad *srcpad;
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GstPad *sinkpad;
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guint8 twcc_ext_id;
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GHashTable *ssrc_to_ctx;
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/* properties */
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guint pt;
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guint32 ssrc;
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guint percentage;
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guint percentage_important;
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gboolean multipacket;
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guint num_packets_protected;
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};
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typedef struct {
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guint ssrc;
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GstElement *parent;
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GstPad *srcpad;
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/* settings */
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guint pt;
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guint percentage;
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guint percentage_important;
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gboolean multipacket;
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gboolean mux_seq;
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guint num_packets_protected;
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guint16 seqnum;
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guint seqnum_offset;
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guint num_packets_received;
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guint num_packets_fec;
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guint fec_nth;
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GQueue packets_buf;
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gdouble budget;
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gdouble budget_inc;
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gdouble budget_important;
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gdouble budget_inc_important;
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GArray *info_arr;
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GArray *scratch_buf;
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guint fec_packets;
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guint fec_packet_idx;
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} GstRtpUlpFecEncStreamCtx;
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GType gst_rtp_ulpfec_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_FEC_H__ */
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