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86d9181cf4
This sends NACK for missed packets and PLI (picture loss indication) if a depacketizer indicates that it needs a new keyframe, according to RFC 4585. This is only enabled if the SDP indicated that feedback is supported (via the AVPF or SAVPF profile names). The feedback packets are throttled to a certain maximum interval (currently 250 ms) to make sure the feedback packets don't eat up too much bandwidth (which might be counterproductive). The RFC specifies a more elaborate feedback packet scheduling. The feedback packets are currently sent independently from normal RTCP RR packets, which is not totally spec compliant, but works fine in the environments I've tested it in. (RFC 5506 allows this, but requires a SDP attribute for enabling it.) Signed-off-by: Martin Storsjö <martin@martin.st>
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/*
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* Version macros.
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVFORMAT_VERSION_H
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#define AVFORMAT_VERSION_H
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/**
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* @file
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* @ingroup libavf
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* Libavformat version macros
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*/
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#include "libavutil/avutil.h"
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#define LIBAVFORMAT_VERSION_MAJOR 54
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#define LIBAVFORMAT_VERSION_MINOR 20
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#define LIBAVFORMAT_VERSION_MICRO 4
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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LIBAVFORMAT_VERSION_MICRO)
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#define LIBAVFORMAT_VERSION AV_VERSION(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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LIBAVFORMAT_VERSION_MICRO)
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#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
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#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
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/**
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* FF_API_* defines may be placed below to indicate public API that will be
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* dropped at a future version bump. The defines themselves are not part of
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* the public API and may change, break or disappear at any time.
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*/
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#ifndef FF_API_CLOSE_INPUT_FILE
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#define FF_API_CLOSE_INPUT_FILE (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_APPLEHTTP_PROTO
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#define FF_API_APPLEHTTP_PROTO (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_READ_PACKET
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#define FF_API_READ_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_INTERLEAVE_PACKET
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#define FF_API_INTERLEAVE_PACKET (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_AV_GETTIME
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#define FF_API_AV_GETTIME (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#ifndef FF_API_R_FRAME_RATE
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#define FF_API_R_FRAME_RATE (LIBAVFORMAT_VERSION_MAJOR < 55)
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#endif
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#endif /* AVFORMAT_VERSION_H */
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