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d5ad50bd61
We expose a set of new elements: * ULPFEC encoder / decoder * A storage element, which should be placed before jitterbuffers, and is used to store packets in order to attempt reconstruction after the jitterbuffer has sent PacketLost events * RED encoder / decoder (RFC 2198), these are necessary to use FEC in webrtc, as browsers will propose and expect ulpfec packets to be wrapped in red packets With contributions from: Mathieu Duponchelle <mathieu@centricular.com> Sebastian Dröge <sebastian@centricular.com> https://bugzilla.gnome.org/show_bug.cgi?id=792696
62 lines
1.8 KiB
C
62 lines
1.8 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_RTP_RED_DEC_H__
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#define __GST_RTP_RED_DEC_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#define GST_TYPE_RTP_RED_DEC \
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(gst_rtp_red_dec_get_type())
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#define GST_RTP_RED_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RTP_RED_DEC,GstRtpRedDec))
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#define GST_RTP_RED_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RTP_RED_DEC,GstRtpRedDecClass))
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#define GST_IS_RTP_RED_DEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RTP_RED_DEC))
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#define GST_IS_RTP_RED_DEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RTP_RED_DEC))
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typedef struct _GstRtpRedDec GstRtpRedDec;
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typedef struct _GstRtpRedDecClass GstRtpRedDecClass;
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struct _GstRtpRedDecClass {
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GstElementClass parent_class;
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};
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struct _GstRtpRedDec {
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GstElement parent;
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GstPad *srcpad;
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GstPad *sinkpad;
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gint pt;
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guint num_received;
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GQueue *rtp_history;
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};
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GType gst_rtp_red_dec_get_type (void);
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G_END_DECLS
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#endif /* __GST_RTP_RED_DEC_H__ */
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