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/*-
* Copyright (c) 1993-1994 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and the Network Research Group at
* Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef vic_rtp_h
#define vic_rtp_h
#ifndef WIN32
#include <sys/param.h>
#endif
#include "sys-time.h"
#define RTP_PT_RAW 126 /* XXX */
#define RTP_PT_BVC 22 /* Berkeley video codec */
/* RTP standard content encodings for video */
#define RTP_PT_RGB8 23 /* 8-bit dithered RGB */
#define RTP_PT_HDCC 24 /* SGI proprietary */
#define RTP_PT_CELLB 25 /* Sun CellB */
#define RTP_PT_JPEG 26 /* JPEG */
#define RTP_PT_CUSEEME 27 /* Cornell CU-SeeMe */
#define RTP_PT_NV 28 /* Xerox PARC nv */
#define RTP_PT_PICW 29 /* BB&N PictureWindow */
#define RTP_PT_CPV 30 /* Concept/Bolter/Viewpoint codec */
#define RTP_PT_H261 31 /* ITU H.261 */
#define RTP_PT_MPEG 32 /* MPEG-I & MPEG-II */
#define RTP_PT_MP2T 33 /* MPEG-II either audio or video */
#define RTP_PT_H263P 42 /* ITU H.263 */
#define RTP_PT_H263 34 /* ITU H.263 */
/* backward compat hack for decoding RTPv1 ivs streams */
#define RTP_PT_H261_COMPAT 127
/* RTP standard content encodings for audio */
#define RTP_PT_PCMU 0
#define RTP_PT_CELP 1
#define RTP_PT_GSM 3
#define RTP_PT_DVI 5
#define RTP_PT_LPC 7
/* Offset from UNIX's epoch to the NTP epoch in seconds (NTP's JAN_1970) */
#define RTP_EPOCH_OFFSET 2208988800UL
#define RTP_VERSION 2
#define RTP_M 0x0080 /* Marker: significant event <e.g. frame boundary> */
#define RTP_P 0x2000 /* Padding is present */
#define RTP_X 0x1000 /* Extension Header is present */
/* Basic RTP header */
struct rtphdr {
u_int16_t rh_flags; /* T:2 P:1 X:1 CC:4 M:1 PT:7 */
u_int16_t rh_seqno; /* sequence number */
u_int32_t rh_ts; /* media-specific time stamp */
u_int32_t rh_ssrc; /* synchronization src id */
/* data sources follow per cc */
};
struct rtcphdr {
u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
u_int16_t rh_len; /* length of message (in bytes) */
u_int32_t rh_ssrc; /* synchronization src id */
};
typedef struct {
u_int32_t upper; /* more significant 32 bits */
u_int32_t lower; /* less significant 32 bits */
} ntp64;
/*
* Sender report.
*/
struct rtcp_sr {
ntp64 sr_ntp; /* 64-bit ntp timestamp */
u_int32_t sr_ts; /* reference media timestamp */
u_int32_t sr_np; /* no. packets sent */
u_int32_t sr_nb; /* no. bytes sent */
};
/*
* Receiver report.
* Time stamps are middle 32-bits of ntp timestamp.
*/
struct rtcp_rr {
u_int32_t rr_srcid; /* sender being reported */
u_int32_t rr_loss; /* loss stats (8:fraction, 24:cumulative)*/
u_int32_t rr_ehsr; /* ext. highest seqno received */
u_int32_t rr_dv; /* jitter (delay variance) */
u_int32_t rr_lsr; /* orig. ts from last rr from this src */
u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */
};
#define RTCP_PT_SR 200 /* sender report */
#define RTCP_PT_RR 201 /* receiver report */
#define RTCP_PT_SDES 202 /* source description */
#define RTCP_SDES_CNAME 1 /* official name (mandatory) */
#define RTCP_SDES_NAME 2 /* personal name (optional) */
#define RTCP_SDES_EMAIL 3 /* e-mail addr (optional) */
#define RTCP_SDES_PHONE 4 /* telephone # (optional) */
#define RTCP_SDES_LOC 5 /* geographical location */
#define RTCP_SDES_TOOL 6 /* name/(vers) of app */
#define RTCP_SDES_NOTE 7 /* transient messages */
#define RTCP_SDES_PRIV 8 /* private SDES extensions */
#define RTCP_PT_BYE 203 /* end of participation */
#define RTCP_PT_APP 204 /* application specific functions */
#define RTCP_SDES_MIN 1
#define RTCP_SDES_MAX 7
/*
* Parameters controling the RTCP report rate timer.
*/
#define RTCP_SESSION_BW_FRACTION (0.05)
#define RTCP_MIN_RPT_TIME (5.)
#define RTCP_SENDER_BW_FRACTION (0.25)
#define RTCP_RECEIVER_BW_FRACTION (1. - RTCP_SENDER_BW_FRACTION)
#define RTCP_SIZE_GAIN (1./8.)
/*
* Largest (user-level) packet size generated by our rtp applications.
* Individual video formats may use smaller mtu's.
*/
#define RTP_MTU 1024
#define MAXHDR 24
/*
* Motion JPEG encapsulation.
*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | MBZ | frag offset |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Type | Q | Width | Height |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* Type = Index into a table of predefined JPEG parameters
* Width = Width of input in 8-pixel blocks
* Height = Height of input in 8-pixel blocks
* Q = Quality factor (0-100 = std, >100 = custom)
* Frag offset = The byte offset into the frame for the data in
* this packet
*/
struct jpeghdr {
u_int32_t off; /* fragment offset */
u_int8_t type; /* id of jpeg decoder params */
u_int8_t q; /* quantization factor (or table id) */
u_int8_t width; /* 1/8 frame width */
u_int8_t height; /* 1/8 frame height */
};
/*
* NV encapsulation.
*/
struct nvhdr {
u_int16_t width;
u_int16_t height;
/* nv data */
};
/*
* CellB encapsulation.
*/
struct cellbhdr {
u_int16_t x;
u_int16_t y;
u_int16_t width;
u_int16_t height;
/* cells */
};
/*
* H.261 encapsulation.
* See Internet draft.
*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* |SBIT |EBIT |I|V| GOBN | MBAP | QUANT | HMVD | VMVD |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
#ifdef notdef
struct h261hdr {
u_int16_t flags;
u_int16_t off;
};
#endif
struct bvchdr {
u_int8_t version;
u_int8_t pad;
u_int8_t width;
u_int8_t height;
u_int32_t quant;
u_int8_t sbit;
u_int8_t ebit;
u_int16_t blkno;
};
#endif
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