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1 | /* |
2 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef FFSERVER_CONFIG_H | |
22 | #define FFSERVER_CONFIG_H | |
23 | ||
24 | #include "libavutil/dict.h" | |
25 | #include "libavformat/avformat.h" | |
26 | #include "libavformat/network.h" | |
27 | ||
28 | #define FFSERVER_MAX_STREAMS 20 | |
29 | ||
30 | /* each generated stream is described here */ | |
31 | enum FFServerStreamType { | |
32 | STREAM_TYPE_LIVE, | |
33 | STREAM_TYPE_STATUS, | |
34 | STREAM_TYPE_REDIRECT, | |
35 | }; | |
36 | ||
37 | enum FFServerIPAddressAction { | |
38 | IP_ALLOW = 1, | |
39 | IP_DENY, | |
40 | }; | |
41 | ||
42 | typedef struct FFServerIPAddressACL { | |
43 | struct FFServerIPAddressACL *next; | |
44 | enum FFServerIPAddressAction action; | |
45 | /* These are in host order */ | |
46 | struct in_addr first; | |
47 | struct in_addr last; | |
48 | } FFServerIPAddressACL; | |
49 | ||
50 | /* description of each stream of the ffserver.conf file */ | |
51 | typedef struct FFServerStream { | |
52 | enum FFServerStreamType stream_type; | |
53 | char filename[1024]; /* stream filename */ | |
54 | struct FFServerStream *feed; /* feed we are using (can be null if coming from file) */ | |
55 | AVDictionary *in_opts; /* input parameters */ | |
56 | AVDictionary *metadata; /* metadata to set on the stream */ | |
57 | AVInputFormat *ifmt; /* if non NULL, force input format */ | |
58 | AVOutputFormat *fmt; | |
59 | FFServerIPAddressACL *acl; | |
60 | char dynamic_acl[1024]; | |
61 | int nb_streams; | |
62 | int prebuffer; /* Number of milliseconds early to start */ | |
63 | int64_t max_time; /* Number of milliseconds to run */ | |
64 | int send_on_key; | |
65 | AVStream *streams[FFSERVER_MAX_STREAMS]; | |
66 | int feed_streams[FFSERVER_MAX_STREAMS]; /* index of streams in the feed */ | |
67 | char feed_filename[1024]; /* file name of the feed storage, or | |
68 | input file name for a stream */ | |
69 | pid_t pid; /* Of ffmpeg process */ | |
70 | time_t pid_start; /* Of ffmpeg process */ | |
71 | char **child_argv; | |
72 | struct FFServerStream *next; | |
73 | unsigned bandwidth; /* bandwidth, in kbits/s */ | |
74 | /* RTSP options */ | |
75 | char *rtsp_option; | |
76 | /* multicast specific */ | |
77 | int is_multicast; | |
78 | struct in_addr multicast_ip; | |
79 | int multicast_port; /* first port used for multicast */ | |
80 | int multicast_ttl; | |
81 | int loop; /* if true, send the stream in loops (only meaningful if file) */ | |
82 | ||
83 | /* feed specific */ | |
84 | int feed_opened; /* true if someone is writing to the feed */ | |
85 | int is_feed; /* true if it is a feed */ | |
86 | int readonly; /* True if writing is prohibited to the file */ | |
87 | int truncate; /* True if feeder connection truncate the feed file */ | |
88 | int conns_served; | |
89 | int64_t bytes_served; | |
90 | int64_t feed_max_size; /* maximum storage size, zero means unlimited */ | |
91 | int64_t feed_write_index; /* current write position in feed (it wraps around) */ | |
92 | int64_t feed_size; /* current size of feed */ | |
93 | struct FFServerStream *next_feed; | |
94 | } FFServerStream; | |
95 | ||
96 | typedef struct FFServerConfig { | |
97 | char *filename; | |
98 | FFServerStream *first_feed; /* contains only feeds */ | |
99 | FFServerStream *first_stream; /* contains all streams, including feeds */ | |
100 | unsigned int nb_max_http_connections; | |
101 | unsigned int nb_max_connections; | |
102 | uint64_t max_bandwidth; | |
103 | int debug; | |
104 | char logfilename[1024]; | |
105 | struct sockaddr_in http_addr; | |
106 | struct sockaddr_in rtsp_addr; | |
107 | int errors; | |
108 | int warnings; | |
109 | int use_defaults; | |
110 | // Following variables MUST NOT be used outside configuration parsing code. | |
111 | enum AVCodecID guessed_audio_codec_id; | |
112 | enum AVCodecID guessed_video_codec_id; | |
113 | AVDictionary *video_opts; /* AVOptions for video encoder */ | |
114 | AVDictionary *audio_opts; /* AVOptions for audio encoder */ | |
115 | AVCodecContext *dummy_actx; /* Used internally to test audio AVOptions. */ | |
116 | AVCodecContext *dummy_vctx; /* Used internally to test video AVOptions. */ | |
117 | int no_audio; | |
118 | int no_video; | |
119 | int line_num; | |
120 | int stream_use_defaults; | |
121 | } FFServerConfig; | |
122 | ||
123 | void ffserver_get_arg(char *buf, int buf_size, const char **pp); | |
124 | ||
125 | void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed, | |
126 | FFServerIPAddressACL *ext_acl, | |
127 | const char *p, const char *filename, int line_num); | |
128 | ||
129 | int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config); | |
130 | ||
131 | void ffserver_free_child_args(void *argsp); | |
132 | ||
133 | #endif /* FFSERVER_CONFIG_H */ |