1 /* 2 * RTP muxer definitions 3 * Copyright (c) 2002 Fabrice Bellard 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg 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. 11 * 12 * FFmpeg 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. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 #ifndef AVFORMAT_RTPENC_H 22 #define AVFORMAT_RTPENC_H 23 24 #include "avformat.h" 25 #include "rtp.h" 26 27 struct RTPMuxContext { 28 const AVClass *av_class; 29 AVFormatContext *ic; 30 AVStream *st; 31 int payload_type; 32 uint32_t ssrc; 33 const char *cname; 34 int seq; 35 uint32_t timestamp; 36 uint32_t base_timestamp; 37 uint32_t cur_timestamp; 38 int max_payload_size; 39 int num_frames; 40 41 /* rtcp sender statistics */ 42 int64_t last_rtcp_ntp_time; 43 int64_t first_rtcp_ntp_time; 44 unsigned int packet_count; 45 unsigned int octet_count; 46 unsigned int last_octet_count; 47 int first_packet; 48 /* buffer for output */ 49 uint8_t *buf; 50 uint8_t *buf_ptr; 51 52 int max_frames_per_packet; 53 54 /** 55 * Number of bytes used for H.264 NAL length, if the MP4 syntax is used 56 * (1, 2 or 4) 57 */ 58 int nal_length_size; 59 int buffered_nals; 60 61 int flags; 62 63 unsigned int frame_count; 64 }; 65 66 typedef struct RTPMuxContext RTPMuxContext; 67 68 #define FF_RTP_FLAG_MP4A_LATM 1 69 #define FF_RTP_FLAG_RFC2190 2 70 #define FF_RTP_FLAG_SKIP_RTCP 4 71 #define FF_RTP_FLAG_H264_MODE0 8 72 #define FF_RTP_FLAG_SEND_BYE 16 73 74 #define FF_RTP_FLAG_OPTS(ctx, fieldname) \ 75 { "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \ 76 { "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" }, \ 77 { "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" }, \ 78 { "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" }, \ 79 { "h264_mode0", "Use mode 0 for H.264 in RTP", 0, AV_OPT_TYPE_CONST, {.i64 = FF_RTP_FLAG_H264_MODE0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \ 80 { "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" } \ 81 82 void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m); 83 84 void ff_rtp_send_h264_hevc(AVFormatContext *s1, const uint8_t *buf1, int size); 85 void ff_rtp_send_h261(AVFormatContext *s1, const uint8_t *buf1, int size); 86 void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size); 87 void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size, 88 const uint8_t *mb_info, int mb_info_size); 89 void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size); 90 void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size); 91 void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size); 92 void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size); 93 void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size); 94 void ff_rtp_send_vc2hq(AVFormatContext *s1, const uint8_t *buf, int size, int interlaced); 95 void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size); 96 void ff_rtp_send_vp9(AVFormatContext *s1, const uint8_t *buff, int size); 97 void ff_rtp_send_jpeg(AVFormatContext *s1, const uint8_t *buff, int size); 98 99 const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *av_restrict start, 100 const uint8_t *av_restrict end); 101 102 #endif /* AVFORMAT_RTPENC_H */ 103