2 * RTP muxer definitions
3 * Copyright (c) 2002 Fabrice Bellard
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVFORMAT_RTPENC_H
22 #define AVFORMAT_RTPENC_H
27 struct RTPMuxContext {
28 const AVClass *av_class;
35 uint32_t base_timestamp;
36 uint32_t cur_timestamp;
40 /* rtcp sender statistics receive */
41 int64_t last_rtcp_ntp_time; // TODO: move into statistics
42 int64_t first_rtcp_ntp_time; // TODO: move into statistics
44 /* rtcp sender statistics */
45 unsigned int packet_count; // TODO: move into statistics (outgoing)
46 unsigned int octet_count; // TODO: move into statistics (outgoing)
47 unsigned int last_octet_count; // TODO: move into statistics (outgoing)
49 /* buffer for output */
53 int max_frames_per_packet;
56 * Number of bytes used for H.264 NAL length, if the MP4 syntax is used
64 typedef struct RTPMuxContext RTPMuxContext;
66 #define FF_RTP_FLAG_MP4A_LATM 1
67 #define FF_RTP_FLAG_RFC2190 2
68 #define FF_RTP_FLAG_SKIP_RTCP 4
70 #define FF_RTP_FLAG_OPTS(ctx, fieldname) \
71 { "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
72 { "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" }, \
73 { "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" }, \
74 { "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" }, \
76 void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
78 void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
79 void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size);
80 void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size,
81 const uint8_t *mb_info, int mb_info_size);
82 void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size);
83 void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size);
84 void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size);
85 void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size);
86 void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size);
87 void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size);
89 const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *restrict start,
90 const uint8_t *restrict end);
92 #endif /* AVFORMAT_RTPENC_H */