2 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * This file is part of FFmpeg.
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.
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.
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
21 #ifndef FFSERVER_CONFIG_H
22 #define FFSERVER_CONFIG_H
24 #define FFM_PACKET_SIZE 4096
26 #include "libavutil/dict.h"
27 #include "libavformat/avformat.h"
28 #include "libavformat/network.h"
30 #define FFSERVER_MAX_STREAMS 20
32 /* each generated stream is described here */
33 enum FFServerStreamType {
39 enum FFServerIPAddressAction {
44 typedef struct FFServerIPAddressACL {
45 struct FFServerIPAddressACL *next;
46 enum FFServerIPAddressAction action;
47 /* These are in host order */
50 } FFServerIPAddressACL;
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.
57 * The fields of this struct have the same semantics as the fields of an AVStream.
59 typedef struct LayeredAVStream {
62 AVCodecParameters *codecpar;
63 AVCodecContext *codec;
66 AVRational sample_aspect_ratio;
67 char *recommended_encoder_configuration;
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 */
79 FFServerIPAddressACL *acl;
80 char dynamic_acl[1024];
82 int prebuffer; /* Number of milliseconds early to start */
83 int64_t max_time; /* Number of milliseconds to run */
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 */
92 struct FFServerStream *next;
93 unsigned bandwidth; /* bandwidth, in kbits/s */
96 /* multicast specific */
98 struct in_addr multicast_ip;
99 int multicast_port; /* first port used for multicast */
101 int loop; /* if true, send the stream in loops (only meaningful if file) */
102 char single_frame; /* only single frame */
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 */
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;
117 typedef struct FFServerConfig {
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;
126 char logfilename[1024];
127 struct sockaddr_in http_addr;
128 struct sockaddr_in rtsp_addr;
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. */
142 int stream_use_defaults;
145 void ffserver_get_arg(char *buf, int buf_size, const char **pp);
147 void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed,
148 FFServerIPAddressACL *ext_acl,
149 const char *p, const char *filename, int line_num);
151 int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config);
153 void ffserver_free_child_args(void *argsp);
155 #endif /* FFSERVER_CONFIG_H */