00001 /* 00002 * RTP definitions 00003 * Copyright (c) 2002 Fabrice Bellard 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 #ifndef AVFORMAT_RTP_H 00022 #define AVFORMAT_RTP_H 00023 00024 #include "libavformat/avformat.h" 00025 #include "libavcodec/avcodec.h" 00026 00034 int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec); 00035 00048 int ff_rtp_get_codec_info(AVCodecContext *codec, int payload_type); 00049 00059 const char *ff_rtp_enc_name(int payload_type); 00060 00069 enum AVCodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type); 00070 00071 #define RTP_PT_PRIVATE 96 00072 #define RTP_VERSION 2 00073 #define RTP_MAX_SDES 256 00075 /* RTCP packets use 0.5% of the bandwidth */ 00076 #define RTCP_TX_RATIO_NUM 5 00077 #define RTCP_TX_RATIO_DEN 1000 00078 00079 /* An arbitrary id value for RTP Xiph streams - only relevant to indicate 00080 * that the configuration has changed within a stream (by changing the 00081 * ident value sent). 00082 */ 00083 #define RTP_XIPH_IDENT 0xfecdba 00084 00085 /* RTCP packet types */ 00086 enum RTCPType { 00087 RTCP_SR = 200, 00088 RTCP_RR, // 201 00089 RTCP_SDES, // 202 00090 RTCP_BYE, // 203 00091 RTCP_APP // 204 00092 }; 00093 00094 #define RTP_PT_IS_RTCP(x) ((x) >= RTCP_SR && (x) <= RTCP_APP) 00095 00096 #endif /* AVFORMAT_RTP_H */
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