path: root/ffserver_config.h (plain)
blob: 48d38dc3250b313cbdbe1bd31640ec167b992f7b

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	#define FFM_PACKET_SIZE 4096
25
26	#include "libavutil/dict.h"
27	#include "libavformat/avformat.h"
28	#include "libavformat/network.h"
29
30	#define FFSERVER_MAX_STREAMS 20
31
32	/* each generated stream is described here */
33	enum FFServerStreamType {
34	STREAM_TYPE_LIVE,
35	STREAM_TYPE_STATUS,
36	STREAM_TYPE_REDIRECT,
37	};
38
39	enum FFServerIPAddressAction {
40	IP_ALLOW = 1,
41	IP_DENY,
42	};
43
44	typedef struct FFServerIPAddressACL {
45	struct FFServerIPAddressACL *next;
46	enum FFServerIPAddressAction action;
47	/* These are in host order */
48	struct in_addr first;
49	struct in_addr last;
50	} FFServerIPAddressACL;
51
52	/**
53	* This holds the stream parameters for an AVStream, it cannot be a AVStream
54	* because AVStreams cannot be instanciated without a AVFormatContext, especially
55	* not outside libavformat.
56	*
57	* The fields of this struct have the same semantics as the fields of an AVStream.
58	*/
59	typedef struct LayeredAVStream {
60	int index;
61	int id;
62	AVCodecParameters *codecpar;
63	AVCodecContext *codec;
64	AVRational time_base;
65	int pts_wrap_bits;
66	AVRational sample_aspect_ratio;
67	char *recommended_encoder_configuration;
68	} LayeredAVStream;
69
70	/* description of each stream of the ffserver.conf file */
71	typedef struct FFServerStream {
72	enum FFServerStreamType stream_type;
73	char filename[1024]; /* stream filename */
74	struct FFServerStream *feed; /* feed we are using (can be null if coming from file) */
75	AVDictionary *in_opts; /* input parameters */
76	AVDictionary *metadata; /* metadata to set on the stream */
77	AVInputFormat *ifmt; /* if non NULL, force input format */
78	AVOutputFormat *fmt;
79	FFServerIPAddressACL *acl;
80	char dynamic_acl[1024];
81	int nb_streams;
82	int prebuffer; /* Number of milliseconds early to start */
83	int64_t max_time; /* Number of milliseconds to run */
84	int send_on_key;
85	LayeredAVStream *streams[FFSERVER_MAX_STREAMS];
86	int feed_streams[FFSERVER_MAX_STREAMS]; /* index of streams in the feed */
87	char feed_filename[1024]; /* file name of the feed storage, or
88	input file name for a stream */
89	pid_t pid; /* Of ffmpeg process */
90	time_t pid_start; /* Of ffmpeg process */
91	char **child_argv;
92	struct FFServerStream *next;
93	unsigned bandwidth; /* bandwidth, in kbits/s */
94	/* RTSP options */
95	char *rtsp_option;
96	/* multicast specific */
97	int is_multicast;
98	struct in_addr multicast_ip;
99	int multicast_port; /* first port used for multicast */
100	int multicast_ttl;
101	int loop; /* if true, send the stream in loops (only meaningful if file) */
102	char single_frame; /* only single frame */
103
104	/* feed specific */
105	int feed_opened; /* true if someone is writing to the feed */
106	int is_feed; /* true if it is a feed */
107	int readonly; /* True if writing is prohibited to the file */
108	int truncate; /* True if feeder connection truncate the feed file */
109	int conns_served;
110	int64_t bytes_served;
111	int64_t feed_max_size; /* maximum storage size, zero means unlimited */
112	int64_t feed_write_index; /* current write position in feed (it wraps around) */
113	int64_t feed_size; /* current size of feed */
114	struct FFServerStream *next_feed;
115	} FFServerStream;
116
117	typedef struct FFServerConfig {
118	char *filename;
119	FFServerStream *first_feed; /* contains only feeds */
120	FFServerStream *first_stream; /* contains all streams, including feeds */
121	unsigned int nb_max_http_connections;
122	unsigned int nb_max_connections;
123	uint64_t max_bandwidth;
124	int debug;
125	int bitexact;
126	char logfilename[1024];
127	struct sockaddr_in http_addr;
128	struct sockaddr_in rtsp_addr;
129	int errors;
130	int warnings;
131	int use_defaults;
132	// Following variables MUST NOT be used outside configuration parsing code.
133	enum AVCodecID guessed_audio_codec_id;
134	enum AVCodecID guessed_video_codec_id;
135	AVDictionary *video_opts; /* AVOptions for video encoder */
136	AVDictionary *audio_opts; /* AVOptions for audio encoder */
137	AVCodecContext *dummy_actx; /* Used internally to test audio AVOptions. */
138	AVCodecContext *dummy_vctx; /* Used internally to test video AVOptions. */
139	int no_audio;
140	int no_video;
141	int line_num;
142	int stream_use_defaults;
143	} FFServerConfig;
144
145	void ffserver_get_arg(char *buf, int buf_size, const char **pp);
146
147	void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed,
148	FFServerIPAddressACL *ext_acl,
149	const char *p, const char *filename, int line_num);
150
151	int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config);
152
153	void ffserver_free_child_args(void *argsp);
154
155	#endif /* FFSERVER_CONFIG_H */
156