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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); | |
f6fa7814 | 88 | void ff_rtp_send_hevc(AVFormatContext *s1, const uint8_t *buf1, int size); |
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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 */ |