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https://github.com/FFmpeg/FFmpeg.git
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101 lines
4.2 KiB
C
101 lines
4.2 KiB
C
/*
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* RTP muxer definitions
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* Copyright (c) 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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_RTPENC_H
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#define AVFORMAT_RTPENC_H
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#include "avformat.h"
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#include "rtp.h"
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struct RTPMuxContext {
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const AVClass *av_class;
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AVFormatContext *ic;
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AVStream *st;
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int payload_type;
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uint32_t ssrc;
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const char *cname;
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int seq;
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uint32_t timestamp;
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uint32_t base_timestamp;
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uint32_t cur_timestamp;
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int max_payload_size;
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int num_frames;
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/* rtcp sender statistics */
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int64_t last_rtcp_ntp_time;
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int64_t first_rtcp_ntp_time;
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unsigned int packet_count;
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unsigned int octet_count;
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unsigned int last_octet_count;
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int first_packet;
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/* buffer for output */
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uint8_t *buf;
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uint8_t *buf_ptr;
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int max_frames_per_packet;
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/**
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* Number of bytes used for H.264 NAL length, if the MP4 syntax is used
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* (1, 2 or 4)
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*/
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int nal_length_size;
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int flags;
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unsigned int frame_count;
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};
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typedef struct RTPMuxContext RTPMuxContext;
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#define FF_RTP_FLAG_MP4A_LATM 1
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#define FF_RTP_FLAG_RFC2190 2
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#define FF_RTP_FLAG_SKIP_RTCP 4
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#define FF_RTP_FLAG_H264_MODE0 8
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#define FF_RTP_FLAG_SEND_BYE 16
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#define FF_RTP_FLAG_OPTS(ctx, fieldname) \
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{ "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
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{ "latm", "Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_MP4A_LATM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
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{ "rfc2190", "Use RFC 2190 packetization instead of RFC 4629 for H.263", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_RFC2190}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
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{ "skip_rtcp", "Don't send RTCP sender reports", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_SKIP_RTCP}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
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{ "h264_mode0", "Use mode 0 for H264 in RTP", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_H264_MODE0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
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{ "send_bye", "Send RTCP BYE packets when finishing", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_SEND_BYE}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" } \
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void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
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void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
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void ff_rtp_send_h261(AVFormatContext *s1, const uint8_t *buf1, int size);
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void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size);
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void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size,
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const uint8_t *mb_info, int mb_info_size);
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void ff_rtp_send_hevc(AVFormatContext *s1, const uint8_t *buf1, int size);
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void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size);
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void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size);
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void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size);
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void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size);
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void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size);
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void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size);
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void ff_rtp_send_jpeg(AVFormatContext *s1, const uint8_t *buff, int size);
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const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *av_restrict start,
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const uint8_t *av_restrict end);
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#endif /* AVFORMAT_RTPENC_H */
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