| 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 | |
| 60 | int flags; |
| 61 | |
| 62 | unsigned int frame_count; |
| 63 | }; |
| 64 | |
| 65 | typedef struct RTPMuxContext RTPMuxContext; |
| 66 | |
| 67 | #define FF_RTP_FLAG_MP4A_LATM 1 |
| 68 | #define FF_RTP_FLAG_RFC2190 2 |
| 69 | #define FF_RTP_FLAG_SKIP_RTCP 4 |
| 70 | #define FF_RTP_FLAG_H264_MODE0 8 |
| 71 | #define FF_RTP_FLAG_SEND_BYE 16 |
| 72 | |
| 73 | #define FF_RTP_FLAG_OPTS(ctx, fieldname) \ |
| 74 | { "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \ |
| 75 | { "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" }, \ |
| 76 | { "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" }, \ |
| 77 | { "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" }, \ |
| 78 | { "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" }, \ |
| 79 | { "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" } \ |
| 80 | |
| 81 | void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m); |
| 82 | |
| 83 | void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size); |
| 84 | void ff_rtp_send_h261(AVFormatContext *s1, const uint8_t *buf1, int size); |
| 85 | void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size); |
| 86 | void ff_rtp_send_h263_rfc2190(AVFormatContext *s1, const uint8_t *buf1, int size, |
| 87 | const uint8_t *mb_info, int mb_info_size); |
| 88 | void ff_rtp_send_hevc(AVFormatContext *s1, const uint8_t *buf1, int 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_vp8(AVFormatContext *s1, const uint8_t *buff, int size); |
| 95 | void ff_rtp_send_jpeg(AVFormatContext *s1, const uint8_t *buff, int size); |
| 96 | |
| 97 | const uint8_t *ff_h263_find_resync_marker_reverse(const uint8_t *av_restrict start, |
| 98 | const uint8_t *av_restrict end); |
| 99 | |
| 100 | #endif /* AVFORMAT_RTPENC_H */ |