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Diffstat (limited to 'ffmpeg/libavformat/rtp.h')
| -rw-r--r-- | ffmpeg/libavformat/rtp.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/ffmpeg/libavformat/rtp.h b/ffmpeg/libavformat/rtp.h deleted file mode 100644 index 66a4f3a..0000000 --- a/ffmpeg/libavformat/rtp.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - * RTP definitions - * Copyright (c) 2002 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg 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. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef AVFORMAT_RTP_H -#define AVFORMAT_RTP_H - -#include "libavformat/avformat.h" -#include "libavcodec/avcodec.h" -#include "libavutil/mathematics.h" - -/** - * Return the payload type for a given stream used in the given format context. - * Static payload types are derived from the codec. - * Dynamic payload type are derived from the id field in AVStream. - * The format context private option payload_type overrides both. - * - * @param fmt The context of the format - * @param codec The context of the codec - * @param idx The stream index - * @return The payload type (the 'PT' field in the RTP header). - */ -int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec, - int idx); - -/** - * Initialize a codec context based on the payload type. - * - * Fill the codec_type and codec_id fields of a codec context with - * information depending on the payload type; for audio codecs, the - * channels and sample_rate fields are also filled. - * - * @param codec The context of the codec - * @param payload_type The payload type (the 'PT' field in the RTP header) - * @return In case of unknown payload type or dynamic payload type, a - * negative value is returned; otherwise, 0 is returned - */ -int ff_rtp_get_codec_info(AVCodecContext *codec, int payload_type); - -/** - * Return the encoding name (as defined in - * http://www.iana.org/assignments/rtp-parameters) for a given payload type. - * - * @param payload_type The payload type (the 'PT' field in the RTP header) - * @return In case of unknown payload type or dynamic payload type, a pointer - * to an empty string is returned; otherwise, a pointer to a string containing - * the encoding name is returned - */ -const char *ff_rtp_enc_name(int payload_type); - -/** - * Return the codec id for the given encoding name and codec type. - * - * @param buf A pointer to the string containing the encoding name - * @param codec_type The codec type - * @return In case of unknown encoding name, AV_CODEC_ID_NONE is returned; - * otherwise, the codec id is returned - */ -enum AVCodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type); - -#define RTP_PT_PRIVATE 96 -#define RTP_VERSION 2 -#define RTP_MAX_SDES 256 /**< maximum text length for SDES */ - -/* RTCP packets use 0.5% of the bandwidth */ -#define RTCP_TX_RATIO_NUM 5 -#define RTCP_TX_RATIO_DEN 1000 - -/* An arbitrary id value for RTP Xiph streams - only relevant to indicate - * that the configuration has changed within a stream (by changing the - * ident value sent). - */ -#define RTP_XIPH_IDENT 0xfecdba - -/* RTCP packet types */ -enum RTCPType { - RTCP_FIR = 192, - RTCP_NACK, // 193 - RTCP_SMPTETC,// 194 - RTCP_IJ, // 195 - RTCP_SR = 200, - RTCP_RR, // 201 - RTCP_SDES, // 202 - RTCP_BYE, // 203 - RTCP_APP, // 204 - RTCP_RTPFB,// 205 - RTCP_PSFB, // 206 - RTCP_XR, // 207 - RTCP_AVB, // 208 - RTCP_RSI, // 209 - RTCP_TOKEN,// 210 -}; - -#define RTP_PT_IS_RTCP(x) (((x) >= RTCP_FIR && (x) <= RTCP_IJ) || \ - ((x) >= RTCP_SR && (x) <= RTCP_TOKEN)) - -#define NTP_TO_RTP_FORMAT(x) av_rescale((x), INT64_C(1) << 32, 1000000) - -#endif /* AVFORMAT_RTP_H */ |