blob: 62dc9ab10a825f12f6fada8e75360cf968351324
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 |