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/*
* RTP muxer definitions
* Copyright (c) 2002 Fabrice Bellard
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_RTPENC_H
#define AVFORMAT_RTPENC_H
#include "avformat.h"
#include "rtp.h"
struct RTPMuxContext {
const AVClass *av_class;
AVFormatContext *ic;
AVStream *st;
int payload_type;
uint32_t ssrc;
uint16_t seq;
uint32_t timestamp;
uint32_t base_timestamp;
uint32_t cur_timestamp;
int max_packet_size;
int max_payload_size;
int num_frames;
/* rtcp sender statistics receive */
int64_t last_rtcp_ntp_time; // TODO: move into statistics
int64_t first_rtcp_ntp_time; // TODO: move into statistics
/* rtcp sender statistics */
unsigned int packet_count; // TODO: move into statistics (outgoing)
unsigned int octet_count; // TODO: move into statistics (outgoing)
unsigned int last_octet_count; // TODO: move into statistics (outgoing)
int first_packet;
/* buffer for output */
uint8_t *buf;
uint8_t *buf_ptr;
int max_frames_per_packet;
/**
* Number of bytes used for H.264 NAL length, if the MP4 syntax is used
* (1, 2 or 4)
*/
int nal_length_size;
int flags;
};
typedef struct RTPMuxContext RTPMuxContext;
#define FF_RTP_FLAG_MP4A_LATM 1
#define FF_RTP_FLAG_RFC2190 2
#define FF_RTP_FLAG_SKIP_RTCP 4
#define FF_RTP_FLAG_OPTS(ctx, fieldname) \
{ "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
{ "latm", "Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_MP4A_LATM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
{ "rfc2190", "Use RFC 2190 packetization instead of RFC 4629 for H.263", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_RFC2190}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
{ "skip_rtcp", "Don't send RTCP sender reports", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_SKIP_RTCP}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size);
void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size,
const uint8_t *mb_info, int mb_info_size);
void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size);
void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size);
void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size);
void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size);
void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size);
void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size);
const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *restrict start,
const uint8_t *restrict end);
#endif /* AVFORMAT_RTPENC_H */
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