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
22 #include "libavutil/opt.h"
23 #include "libavutil/parseutils.h"
24 #include "libavutil/avstring.h"
25 #include "libavutil/pixdesc.h"
26 #include "libavutil/avassert.h"
29 #include "ffserver_config.h"
31 #define MAX_CHILD_ARGS 64
33 static int ffserver_save_avoption(const char *opt, const char *arg, int type,
34 FFServerConfig *config);
35 static void vreport_config_error(const char *filename, int line_num,
36 int log_level, int *errors, const char *fmt,
38 static void report_config_error(const char *filename, int line_num,
39 int log_level, int *errors, const char *fmt,
42 #define ERROR(...) report_config_error(config->filename, config->line_num,\
43 AV_LOG_ERROR, &config->errors, __VA_ARGS__)
44 #define WARNING(...) report_config_error(config->filename, config->line_num,\
45 AV_LOG_WARNING, &config->warnings, __VA_ARGS__)
47 /* FIXME: make ffserver work with IPv6 */
48 /* resolve host with also IP address parsing */
49 static int resolve_host(struct in_addr *sin_addr, const char *hostname)
52 if (!ff_inet_aton(hostname, sin_addr)) {
54 struct addrinfo *ai, *cur;
55 struct addrinfo hints = { 0 };
56 hints.ai_family = AF_INET;
57 if (getaddrinfo(hostname, NULL, &hints, &ai))
59 /* getaddrinfo returns a linked list of addrinfo structs.
60 * Even if we set ai_family = AF_INET above, make sure
61 * that the returned one actually is of the correct type. */
62 for (cur = ai; cur; cur = cur->ai_next) {
63 if (cur->ai_family == AF_INET) {
64 *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
73 hp = gethostbyname(hostname);
76 memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
82 void ffserver_get_arg(char *buf, int buf_size, const char **pp)
91 while (av_isspace(*p)) p++;
93 if (*p == '\"' || *p == '\'')
97 if (quote && *p == quote || !quote && av_isspace(*p))
99 if ((q - buf) < buf_size - 1)
105 if (quote && *p == quote)
110 void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed,
111 FFServerIPAddressACL *ext_acl,
112 const char *p, const char *filename, int line_num)
115 FFServerIPAddressACL acl;
116 FFServerIPAddressACL *nacl;
117 FFServerIPAddressACL **naclp;
119 ffserver_get_arg(arg, sizeof(arg), &p);
120 if (av_strcasecmp(arg, "allow") == 0)
121 acl.action = IP_ALLOW;
122 else if (av_strcasecmp(arg, "deny") == 0)
123 acl.action = IP_DENY;
125 fprintf(stderr, "%s:%d: ACL action '%s' should be ALLOW or DENY.\n",
126 filename, line_num, arg);
130 ffserver_get_arg(arg, sizeof(arg), &p);
132 if (resolve_host(&acl.first, arg)) {
134 "%s:%d: ACL refers to invalid host or IP address '%s'\n",
135 filename, line_num, arg);
139 acl.last = acl.first;
141 ffserver_get_arg(arg, sizeof(arg), &p);
144 if (resolve_host(&acl.last, arg)) {
146 "%s:%d: ACL refers to invalid host or IP address '%s'\n",
147 filename, line_num, arg);
152 nacl = av_mallocz(sizeof(*nacl));
159 naclp = &stream->acl;
165 fprintf(stderr, "%s:%d: ACL found not in <Stream> or <Feed>\n",
170 naclp = &(*naclp)->next;
181 /* add a codec and set the default parameters */
182 static void add_codec(FFServerStream *stream, AVCodecContext *av,
183 FFServerConfig *config)
186 AVDictionary **opts, *recommended = NULL;
189 if(stream->nb_streams >= FF_ARRAY_ELEMS(stream->streams))
192 opts = av->codec_type == AVMEDIA_TYPE_AUDIO ?
193 &config->audio_opts : &config->video_opts;
194 av_dict_copy(&recommended, *opts, 0);
195 av_opt_set_dict2(av->priv_data, opts, AV_OPT_SEARCH_CHILDREN);
196 av_opt_set_dict2(av, opts, AV_OPT_SEARCH_CHILDREN);
198 if (av_dict_count(*opts))
199 av_log(NULL, AV_LOG_WARNING,
200 "Something is wrong, %d options are not set!\n",
201 av_dict_count(*opts));
203 if (!config->stream_use_defaults) {
204 switch(av->codec_type) {
205 case AVMEDIA_TYPE_AUDIO:
206 if (av->bit_rate == 0)
207 report_config_error(config->filename, config->line_num,
208 AV_LOG_ERROR, &config->errors,
209 "audio bit rate is not set\n");
210 if (av->sample_rate == 0)
211 report_config_error(config->filename, config->line_num,
212 AV_LOG_ERROR, &config->errors,
213 "audio sample rate is not set\n");
215 case AVMEDIA_TYPE_VIDEO:
216 if (av->width == 0 || av->height == 0)
217 report_config_error(config->filename, config->line_num,
218 AV_LOG_ERROR, &config->errors,
219 "video size is not set\n");
227 /* stream_use_defaults = true */
229 /* compute default parameters */
230 switch(av->codec_type) {
231 case AVMEDIA_TYPE_AUDIO:
232 if (!av_dict_get(recommended, "b", NULL, 0)) {
233 av->bit_rate = 64000;
234 av_dict_set_int(&recommended, "b", av->bit_rate, 0);
235 WARNING("Setting default value for audio bit rate = %d. "
236 "Use NoDefaults to disable it.\n",
239 if (!av_dict_get(recommended, "ar", NULL, 0)) {
240 av->sample_rate = 22050;
241 av_dict_set_int(&recommended, "ar", av->sample_rate, 0);
242 WARNING("Setting default value for audio sample rate = %d. "
243 "Use NoDefaults to disable it.\n",
246 if (!av_dict_get(recommended, "ac", NULL, 0)) {
248 av_dict_set_int(&recommended, "ac", av->channels, 0);
249 WARNING("Setting default value for audio channel count = %d. "
250 "Use NoDefaults to disable it.\n",
254 case AVMEDIA_TYPE_VIDEO:
255 if (!av_dict_get(recommended, "b", NULL, 0)) {
256 av->bit_rate = 64000;
257 av_dict_set_int(&recommended, "b", av->bit_rate, 0);
258 WARNING("Setting default value for video bit rate = %d. "
259 "Use NoDefaults to disable it.\n",
262 if (!av_dict_get(recommended, "time_base", NULL, 0)){
263 av->time_base.den = 5;
264 av->time_base.num = 1;
265 av_dict_set(&recommended, "time_base", "1/5", 0);
266 WARNING("Setting default value for video frame rate = %d. "
267 "Use NoDefaults to disable it.\n",
270 if (!av_dict_get(recommended, "video_size", NULL, 0)) {
273 av_dict_set(&recommended, "video_size", "160x128", 0);
274 WARNING("Setting default value for video size = %dx%d. "
275 "Use NoDefaults to disable it.\n",
276 av->width, av->height);
278 /* Bitrate tolerance is less for streaming */
279 if (!av_dict_get(recommended, "bt", NULL, 0)) {
280 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
281 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
282 av_dict_set_int(&recommended, "bt", av->bit_rate_tolerance, 0);
283 WARNING("Setting default value for video bit rate tolerance = %d. "
284 "Use NoDefaults to disable it.\n",
285 av->bit_rate_tolerance);
288 if (!av_dict_get(recommended, "rc_eq", NULL, 0)) {
289 av->rc_eq = av_strdup("tex^qComp");
290 av_dict_set(&recommended, "rc_eq", "tex^qComp", 0);
291 WARNING("Setting default value for video rate control equation = "
292 "%s. Use NoDefaults to disable it.\n",
295 if (!av_dict_get(recommended, "maxrate", NULL, 0)) {
296 av->rc_max_rate = av->bit_rate * 2;
297 av_dict_set_int(&recommended, "maxrate", av->rc_max_rate, 0);
298 WARNING("Setting default value for video max rate = %d. "
299 "Use NoDefaults to disable it.\n",
303 if (av->rc_max_rate && !av_dict_get(recommended, "bufsize", NULL, 0)) {
304 av->rc_buffer_size = av->rc_max_rate;
305 av_dict_set_int(&recommended, "bufsize", av->rc_buffer_size, 0);
306 WARNING("Setting default value for video buffer size = %d. "
307 "Use NoDefaults to disable it.\n",
316 st = av_mallocz(sizeof(AVStream));
319 av_dict_get_string(recommended, &enc_config, '=', ',');
320 av_dict_free(&recommended);
321 av_stream_set_recommended_encoder_configuration(st, enc_config);
323 stream->streams[stream->nb_streams++] = st;
326 static int ffserver_set_codec(AVCodecContext *ctx, const char *codec_name,
327 FFServerConfig *config)
330 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
331 if (!codec || codec->type != ctx->codec_type) {
332 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
334 "Invalid codec name: '%s'\n", codec_name);
337 if (ctx->codec_id == AV_CODEC_ID_NONE && !ctx->priv_data) {
338 if ((ret = avcodec_get_context_defaults3(ctx, codec)) < 0)
342 if (ctx->codec_id != codec->id)
343 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
345 "Inconsistent configuration: trying to set '%s' "
346 "codec option, but '%s' codec is used previously\n",
347 codec_name, avcodec_get_name(ctx->codec_id));
351 static int ffserver_opt_preset(const char *arg, int type, FFServerConfig *config)
354 char filename[1000], tmp[1000], tmp2[1000], line[1000];
356 AVCodecContext *avctx;
357 const AVCodec *codec;
360 case AV_OPT_FLAG_AUDIO_PARAM:
361 avctx = config->dummy_actx;
363 case AV_OPT_FLAG_VIDEO_PARAM:
364 avctx = config->dummy_vctx;
369 codec = avcodec_find_encoder(avctx->codec_id);
371 if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
372 codec ? codec->name : NULL))) {
373 av_log(NULL, AV_LOG_ERROR, "File for preset '%s' not found\n", arg);
374 return AVERROR(EINVAL);
378 int e= fscanf(f, "%999[^\n]\n", line) - 1;
379 if(line[0] == '#' && !e)
381 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
383 av_log(NULL, AV_LOG_ERROR, "%s: Invalid syntax: '%s'\n", filename,
385 ret = AVERROR(EINVAL);
388 if (!strcmp(tmp, "acodec") && avctx->codec_type == AVMEDIA_TYPE_AUDIO ||
389 !strcmp(tmp, "vcodec") && avctx->codec_type == AVMEDIA_TYPE_VIDEO)
391 if (ffserver_set_codec(avctx, tmp2, config) < 0)
393 } else if (!strcmp(tmp, "scodec")) {
394 av_log(NULL, AV_LOG_ERROR, "Subtitles preset found.\n");
395 ret = AVERROR(EINVAL);
397 } else if (ffserver_save_avoption(tmp, tmp2, type, config) < 0)
406 static AVOutputFormat *ffserver_guess_format(const char *short_name,
407 const char *filename,
408 const char *mime_type)
410 AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
413 AVOutputFormat *stream_fmt;
414 char stream_format_name[64];
416 snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream",
418 stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
427 static void vreport_config_error(const char *filename, int line_num,
428 int log_level, int *errors, const char *fmt,
431 av_log(NULL, log_level, "%s:%d: ", filename, line_num);
432 av_vlog(NULL, log_level, fmt, vl);
437 static void report_config_error(const char *filename, int line_num,
438 int log_level, int *errors,
439 const char *fmt, ...)
443 vreport_config_error(filename, line_num, log_level, errors, fmt, vl);
447 static int ffserver_set_int_param(int *dest, const char *value, int factor,
448 int min, int max, FFServerConfig *config,
449 const char *error_msg, ...)
453 if (!value || !value[0])
456 tmp = strtol(value, &tailp, 0);
457 if (tmp < min || tmp > max)
460 if (tmp == INT_MIN || FFABS(tmp) > INT_MAX / FFABS(factor))
464 if (tailp[0] || errno)
472 va_start(vl, error_msg);
473 vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR,
474 &config->errors, error_msg, vl);
477 return AVERROR(EINVAL);
480 static int ffserver_set_float_param(float *dest, const char *value,
481 float factor, float min, float max,
482 FFServerConfig *config,
483 const char *error_msg, ...)
487 if (!value || !value[0])
490 tmp = strtod(value, &tailp);
491 if (tmp < min || tmp > max)
495 if (tailp[0] || errno)
503 va_start(vl, error_msg);
504 vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR,
505 &config->errors, error_msg, vl);
508 return AVERROR(EINVAL);
511 static int ffserver_save_avoption(const char *opt, const char *arg, int type,
512 FFServerConfig *config)
514 static int hinted = 0;
516 AVDictionaryEntry *e;
517 const AVOption *o = NULL;
518 const char *option = NULL;
519 const char *codec_name = NULL;
523 enum AVCodecID guessed_codec_id;
526 case AV_OPT_FLAG_VIDEO_PARAM:
527 ctx = config->dummy_vctx;
528 dict = &config->video_opts;
529 guessed_codec_id = config->guessed_video_codec_id != AV_CODEC_ID_NONE ?
530 config->guessed_video_codec_id : AV_CODEC_ID_H264;
532 case AV_OPT_FLAG_AUDIO_PARAM:
533 ctx = config->dummy_actx;
534 dict = &config->audio_opts;
535 guessed_codec_id = config->guessed_audio_codec_id != AV_CODEC_ID_NONE ?
536 config->guessed_audio_codec_id : AV_CODEC_ID_AAC;
542 if (strchr(opt, ':')) {
543 //explicit private option
544 snprintf(buff, sizeof(buff), "%s", opt);
546 if(!(option = strchr(buff, ':'))){
547 report_config_error(config->filename, config->line_num,
548 AV_LOG_ERROR, &config->errors,
549 "Syntax error. Unmatched ':'\n");
553 buff[option - buff] = '\0';
555 if ((ret = ffserver_set_codec(ctx, codec_name, config)) < 0)
557 if (!ctx->codec || !ctx->priv_data)
563 o = av_opt_find(ctx, option, NULL, type | AV_OPT_FLAG_ENCODING_PARAM,
564 AV_OPT_SEARCH_CHILDREN);
566 (!strcmp(option, "time_base") || !strcmp(option, "pixel_format") ||
567 !strcmp(option, "video_size") || !strcmp(option, "codec_tag")))
568 o = av_opt_find(ctx, option, NULL, 0, 0);
570 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
571 &config->errors, "Option not found: '%s'\n", opt);
572 if (!hinted && ctx->codec_id == AV_CODEC_ID_NONE) {
574 report_config_error(config->filename, config->line_num,
575 AV_LOG_ERROR, NULL, "If '%s' is a codec private"
576 "option, then prefix it with codec name, for "
577 "example '%s:%s %s' or define codec earlier.\n",
578 opt, avcodec_get_name(guessed_codec_id) ,opt,
581 } else if ((ret = av_opt_set(ctx, option, arg, AV_OPT_SEARCH_CHILDREN)) < 0) {
582 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
583 &config->errors, "Invalid value for option %s (%s): %s\n", opt,
584 arg, av_err2str(ret));
585 } else if ((e = av_dict_get(*dict, option, NULL, 0))) {
586 if ((o->type == AV_OPT_TYPE_FLAGS) && arg &&
587 (arg[0] == '+' || arg[0] == '-'))
588 return av_dict_set(dict, option, arg, AV_DICT_APPEND);
589 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
590 &config->errors, "Redeclaring value of option '%s'."
591 "Previous value was: '%s'.\n", opt, e->value);
592 } else if (av_dict_set(dict, option, arg, 0) < 0) {
593 return AVERROR(ENOMEM);
598 static int ffserver_save_avoption_int(const char *opt, int64_t arg,
599 int type, FFServerConfig *config)
602 snprintf(buf, sizeof(buf), "%"PRId64, arg);
603 return ffserver_save_avoption(opt, buf, type, config);
606 static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd,
611 if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) {
612 if (!av_strcasecmp(cmd, "Port"))
613 WARNING("Port option is deprecated. Use HTTPPort instead.\n");
614 ffserver_get_arg(arg, sizeof(arg), p);
615 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
616 "Invalid port: %s\n", arg);
618 WARNING("Trying to use IETF assigned system port: '%d'\n", val);
619 config->http_addr.sin_port = htons(val);
620 } else if (!av_strcasecmp(cmd, "HTTPBindAddress") ||
621 !av_strcasecmp(cmd, "BindAddress")) {
622 if (!av_strcasecmp(cmd, "BindAddress"))
623 WARNING("BindAddress option is deprecated. Use HTTPBindAddress "
625 ffserver_get_arg(arg, sizeof(arg), p);
626 if (resolve_host(&config->http_addr.sin_addr, arg))
627 ERROR("Invalid host/IP address: '%s'\n", arg);
628 } else if (!av_strcasecmp(cmd, "NoDaemon")) {
629 WARNING("NoDaemon option has no effect. You should remove it.\n");
630 } else if (!av_strcasecmp(cmd, "RTSPPort")) {
631 ffserver_get_arg(arg, sizeof(arg), p);
632 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
633 "Invalid port: %s\n", arg);
634 config->rtsp_addr.sin_port = htons(val);
635 } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
636 ffserver_get_arg(arg, sizeof(arg), p);
637 if (resolve_host(&config->rtsp_addr.sin_addr, arg))
638 ERROR("Invalid host/IP address: %s\n", arg);
639 } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
640 ffserver_get_arg(arg, sizeof(arg), p);
641 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
642 "Invalid MaxHTTPConnections: %s\n", arg);
643 config->nb_max_http_connections = val;
644 if (config->nb_max_connections > config->nb_max_http_connections) {
645 ERROR("Inconsistent configuration: MaxClients(%d) > "
646 "MaxHTTPConnections(%d)\n", config->nb_max_connections,
647 config->nb_max_http_connections);
649 } else if (!av_strcasecmp(cmd, "MaxClients")) {
650 ffserver_get_arg(arg, sizeof(arg), p);
651 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
652 "Invalid MaxClients: '%s'\n", arg);
653 config->nb_max_connections = val;
654 if (config->nb_max_connections > config->nb_max_http_connections) {
655 ERROR("Inconsistent configuration: MaxClients(%d) > "
656 "MaxHTTPConnections(%d)\n", config->nb_max_connections,
657 config->nb_max_http_connections);
659 } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
662 ffserver_get_arg(arg, sizeof(arg), p);
664 llval = strtoll(arg, &tailp, 10);
665 if (llval < 10 || llval > 10000000 || tailp[0] || errno)
666 ERROR("Invalid MaxBandwidth: '%s'\n", arg);
668 config->max_bandwidth = llval;
669 } else if (!av_strcasecmp(cmd, "CustomLog")) {
670 if (!config->debug) {
671 ffserver_get_arg(config->logfilename, sizeof(config->logfilename),
674 } else if (!av_strcasecmp(cmd, "LoadModule")) {
675 ERROR("Loadable modules are no longer supported\n");
676 } else if (!av_strcasecmp(cmd, "NoDefaults")) {
677 config->use_defaults = 0;
678 } else if (!av_strcasecmp(cmd, "UseDefaults")) {
679 config->use_defaults = 1;
681 ERROR("Incorrect keyword: '%s'\n", cmd);
685 static int ffserver_parse_config_feed(FFServerConfig *config, const char *cmd,
686 const char **p, FFServerStream **pfeed)
688 FFServerStream *feed;
692 if (!av_strcasecmp(cmd, "<Feed")) {
695 feed = av_mallocz(sizeof(FFServerStream));
697 return AVERROR(ENOMEM);
698 ffserver_get_arg(feed->filename, sizeof(feed->filename), p);
699 q = strrchr(feed->filename, '>');
703 for (s = config->first_feed; s; s = s->next) {
704 if (!strcmp(feed->filename, s->filename))
705 ERROR("Feed '%s' already registered\n", s->filename);
708 feed->fmt = av_guess_format("ffm", NULL, NULL);
709 /* default feed file */
710 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
711 "/tmp/%s.ffm", feed->filename);
712 feed->feed_max_size = 5 * 1024 * 1024;
714 feed->feed = feed; /* self feeding :-) */
719 if (!av_strcasecmp(cmd, "Launch")) {
722 feed->child_argv = av_mallocz_array(MAX_CHILD_ARGS, sizeof(char *));
723 if (!feed->child_argv)
724 return AVERROR(ENOMEM);
725 for (i = 0; i < MAX_CHILD_ARGS - 2; i++) {
726 ffserver_get_arg(arg, sizeof(arg), p);
730 feed->child_argv[i] = av_strdup(arg);
731 if (!feed->child_argv[i])
732 return AVERROR(ENOMEM);
735 feed->child_argv[i] =
736 av_asprintf("http://%s:%d/%s",
737 (config->http_addr.sin_addr.s_addr == INADDR_ANY) ?
738 "127.0.0.1" : inet_ntoa(config->http_addr.sin_addr),
739 ntohs(config->http_addr.sin_port), feed->filename);
740 if (!feed->child_argv[i])
741 return AVERROR(ENOMEM);
742 } else if (!av_strcasecmp(cmd, "ACL")) {
743 ffserver_parse_acl_row(NULL, feed, NULL, *p, config->filename,
745 } else if (!av_strcasecmp(cmd, "File") ||
746 !av_strcasecmp(cmd, "ReadOnlyFile")) {
747 ffserver_get_arg(feed->feed_filename, sizeof(feed->feed_filename), p);
748 feed->readonly = !av_strcasecmp(cmd, "ReadOnlyFile");
749 } else if (!av_strcasecmp(cmd, "Truncate")) {
750 ffserver_get_arg(arg, sizeof(arg), p);
751 /* assume Truncate is true in case no argument is specified */
755 WARNING("Truncate N syntax in configuration file is deprecated. "
756 "Use Truncate alone with no arguments.\n");
757 feed->truncate = strtod(arg, NULL);
759 } else if (!av_strcasecmp(cmd, "FileMaxSize")) {
763 ffserver_get_arg(arg, sizeof(arg), p);
765 fsize = strtod(p1, &p1);
766 switch(av_toupper(*p1)) {
771 fsize *= 1024 * 1024;
774 fsize *= 1024 * 1024 * 1024;
777 ERROR("Invalid file size: '%s'\n", arg);
780 feed->feed_max_size = (int64_t)fsize;
781 if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
782 ERROR("Feed max file size is too small. Must be at least %d.\n",
785 } else if (!av_strcasecmp(cmd, "</Feed>")) {
788 ERROR("Invalid entry '%s' inside <Feed></Feed>\n", cmd);
793 static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
795 FFServerStream **pstream)
797 char arg[1024], arg2[1024];
798 FFServerStream *stream;
804 if (!av_strcasecmp(cmd, "<Stream")) {
807 stream = av_mallocz(sizeof(FFServerStream));
809 return AVERROR(ENOMEM);
810 config->dummy_actx = avcodec_alloc_context3(NULL);
811 config->dummy_vctx = avcodec_alloc_context3(NULL);
812 if (!config->dummy_vctx || !config->dummy_actx) {
814 avcodec_free_context(&config->dummy_vctx);
815 avcodec_free_context(&config->dummy_actx);
816 return AVERROR(ENOMEM);
818 config->dummy_actx->codec_type = AVMEDIA_TYPE_AUDIO;
819 config->dummy_vctx->codec_type = AVMEDIA_TYPE_VIDEO;
820 ffserver_get_arg(stream->filename, sizeof(stream->filename), p);
821 q = strrchr(stream->filename, '>');
825 for (s = config->first_stream; s; s = s->next) {
826 if (!strcmp(stream->filename, s->filename))
827 ERROR("Stream '%s' already registered\n", s->filename);
830 stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
832 config->guessed_audio_codec_id = stream->fmt->audio_codec;
833 config->guessed_video_codec_id = stream->fmt->video_codec;
835 config->guessed_audio_codec_id = AV_CODEC_ID_NONE;
836 config->guessed_video_codec_id = AV_CODEC_ID_NONE;
838 config->stream_use_defaults = config->use_defaults;
843 if (!av_strcasecmp(cmd, "Feed")) {
844 FFServerStream *sfeed;
845 ffserver_get_arg(arg, sizeof(arg), p);
846 sfeed = config->first_feed;
848 if (!strcmp(sfeed->filename, arg))
850 sfeed = sfeed->next_feed;
853 ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg,
856 stream->feed = sfeed;
857 } else if (!av_strcasecmp(cmd, "Format")) {
858 ffserver_get_arg(arg, sizeof(arg), p);
859 if (!strcmp(arg, "status")) {
860 stream->stream_type = STREAM_TYPE_STATUS;
863 stream->stream_type = STREAM_TYPE_LIVE;
864 /* JPEG cannot be used here, so use single frame MJPEG */
865 if (!strcmp(arg, "jpeg")) {
866 strcpy(arg, "singlejpeg");
867 stream->single_frame=1;
869 stream->fmt = ffserver_guess_format(arg, NULL, NULL);
871 ERROR("Unknown Format: '%s'\n", arg);
874 config->guessed_audio_codec_id = stream->fmt->audio_codec;
875 config->guessed_video_codec_id = stream->fmt->video_codec;
877 } else if (!av_strcasecmp(cmd, "InputFormat")) {
878 ffserver_get_arg(arg, sizeof(arg), p);
879 stream->ifmt = av_find_input_format(arg);
881 ERROR("Unknown input format: '%s'\n", arg);
882 } else if (!av_strcasecmp(cmd, "FaviconURL")) {
883 if (stream->stream_type == STREAM_TYPE_STATUS)
884 ffserver_get_arg(stream->feed_filename,
885 sizeof(stream->feed_filename), p);
887 ERROR("FaviconURL only permitted for status streams\n");
888 } else if (!av_strcasecmp(cmd, "Author") ||
889 !av_strcasecmp(cmd, "Comment") ||
890 !av_strcasecmp(cmd, "Copyright") ||
891 !av_strcasecmp(cmd, "Title")) {
894 ffserver_get_arg(arg, sizeof(arg), p);
895 for (i = 0; i < strlen(cmd); i++)
896 key[i] = av_tolower(cmd[i]);
898 WARNING("Deprecated '%s' option in configuration file. Use "
899 "'Metadata %s VALUE' instead.\n", cmd, key);
900 if (av_dict_set(&stream->metadata, key, arg, 0) < 0)
902 } else if (!av_strcasecmp(cmd, "Metadata")) {
903 ffserver_get_arg(arg, sizeof(arg), p);
904 ffserver_get_arg(arg2, sizeof(arg2), p);
905 if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0)
907 } else if (!av_strcasecmp(cmd, "Preroll")) {
908 ffserver_get_arg(arg, sizeof(arg), p);
909 stream->prebuffer = atof(arg) * 1000;
910 } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
911 stream->send_on_key = 1;
912 } else if (!av_strcasecmp(cmd, "AudioCodec")) {
913 ffserver_get_arg(arg, sizeof(arg), p);
914 ffserver_set_codec(config->dummy_actx, arg, config);
915 } else if (!av_strcasecmp(cmd, "VideoCodec")) {
916 ffserver_get_arg(arg, sizeof(arg), p);
917 ffserver_set_codec(config->dummy_vctx, arg, config);
918 } else if (!av_strcasecmp(cmd, "MaxTime")) {
919 ffserver_get_arg(arg, sizeof(arg), p);
920 stream->max_time = atof(arg) * 1000;
921 } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
923 ffserver_get_arg(arg, sizeof(arg), p);
924 ffserver_set_float_param(&f, arg, 1000, -FLT_MAX, FLT_MAX, config,
925 "Invalid %s: '%s'\n", cmd, arg);
926 if (ffserver_save_avoption_int("b", (int64_t)lrintf(f),
927 AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
929 } else if (!av_strcasecmp(cmd, "AudioChannels")) {
930 ffserver_get_arg(arg, sizeof(arg), p);
931 if (ffserver_save_avoption("ac", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
933 } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
934 ffserver_get_arg(arg, sizeof(arg), p);
935 if (ffserver_save_avoption("ar", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
937 } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
938 int minrate, maxrate;
940 ffserver_get_arg(arg, sizeof(arg), p);
941 dash = strchr(arg, '-');
945 if (ffserver_set_int_param(&minrate, arg, 1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0 &&
946 ffserver_set_int_param(&maxrate, dash, 1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0) {
947 if (ffserver_save_avoption_int("minrate", minrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
948 ffserver_save_avoption_int("maxrate", maxrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
952 ERROR("Incorrect format for VideoBitRateRange. It should be "
953 "<min>-<max>: '%s'.\n", arg);
954 } else if (!av_strcasecmp(cmd, "Debug")) {
955 ffserver_get_arg(arg, sizeof(arg), p);
956 if (ffserver_save_avoption("debug", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
957 ffserver_save_avoption("debug", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
959 } else if (!av_strcasecmp(cmd, "Strict")) {
960 ffserver_get_arg(arg, sizeof(arg), p);
961 if (ffserver_save_avoption("strict", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
962 ffserver_save_avoption("strict", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
964 } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
965 ffserver_get_arg(arg, sizeof(arg), p);
966 ffserver_set_int_param(&val, arg, 8*1024, 0, INT_MAX, config,
967 "Invalid %s: '%s'", cmd, arg);
968 if (ffserver_save_avoption_int("bufsize", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
970 } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
971 ffserver_get_arg(arg, sizeof(arg), p);
972 ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
973 "Invalid %s: '%s'", cmd, arg);
974 if (ffserver_save_avoption_int("bt", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
976 } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
977 ffserver_get_arg(arg, sizeof(arg), p);
978 ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
979 "Invalid %s: '%s'", cmd, arg);
980 if (ffserver_save_avoption_int("b", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
982 } else if (!av_strcasecmp(cmd, "VideoSize")) {
984 ffserver_get_arg(arg, sizeof(arg), p);
985 ret = av_parse_video_size(&w, &h, arg);
987 ERROR("Invalid video size '%s'\n", arg);
990 WARNING("Image size is not a multiple of 2\n");
991 if (ffserver_save_avoption("video_size", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
994 } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
995 ffserver_get_arg(&arg[2], sizeof(arg) - 2, p);
996 arg[0] = '1'; arg[1] = '/';
997 if (ffserver_save_avoption("time_base", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
999 } else if (!av_strcasecmp(cmd, "PixelFormat")) {
1000 enum AVPixelFormat pix_fmt;
1001 ffserver_get_arg(arg, sizeof(arg), p);
1002 pix_fmt = av_get_pix_fmt(arg);
1003 if (pix_fmt == AV_PIX_FMT_NONE)
1004 ERROR("Unknown pixel format: '%s'\n", arg);
1005 else if (ffserver_save_avoption("pixel_format", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1007 } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
1008 ffserver_get_arg(arg, sizeof(arg), p);
1009 if (ffserver_save_avoption("g", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1011 } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
1012 if (ffserver_save_avoption("g", "1", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1014 } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
1015 if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1017 } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
1018 if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || //FIXME remove
1019 ffserver_save_avoption("flags", "+mv4", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1021 } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
1022 !av_strcasecmp(cmd, "AVOptionAudio")) {
1024 ffserver_get_arg(arg, sizeof(arg), p);
1025 ffserver_get_arg(arg2, sizeof(arg2), p);
1026 if (!av_strcasecmp(cmd, "AVOptionVideo"))
1027 ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_VIDEO_PARAM,
1030 ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_AUDIO_PARAM,
1034 } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
1035 !av_strcasecmp(cmd, "AVPresetAudio")) {
1036 ffserver_get_arg(arg, sizeof(arg), p);
1037 if (!av_strcasecmp(cmd, "AVPresetVideo"))
1038 ffserver_opt_preset(arg, AV_OPT_FLAG_VIDEO_PARAM, config);
1040 ffserver_opt_preset(arg, AV_OPT_FLAG_AUDIO_PARAM, config);
1041 } else if (!av_strcasecmp(cmd, "VideoTag")) {
1042 ffserver_get_arg(arg, sizeof(arg), p);
1043 if (strlen(arg) == 4 &&
1044 ffserver_save_avoption_int("codec_tag",
1045 MKTAG(arg[0], arg[1], arg[2], arg[3]),
1046 AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1048 } else if (!av_strcasecmp(cmd, "BitExact")) {
1049 if (ffserver_save_avoption("flags", "+bitexact", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1051 } else if (!av_strcasecmp(cmd, "DctFastint")) {
1052 if (ffserver_save_avoption("dct", "fastint", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1054 } else if (!av_strcasecmp(cmd, "IdctSimple")) {
1055 if (ffserver_save_avoption("idct", "simple", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1057 } else if (!av_strcasecmp(cmd, "Qscale")) {
1058 ffserver_get_arg(arg, sizeof(arg), p);
1059 ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
1060 "Invalid Qscale: '%s'\n", arg);
1061 if (ffserver_save_avoption("flags", "+qscale", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
1062 ffserver_save_avoption_int("global_quality", FF_QP2LAMBDA * val,
1063 AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1065 } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
1066 ffserver_get_arg(arg, sizeof(arg), p);
1067 if (ffserver_save_avoption("qdiff", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1069 } else if (!av_strcasecmp(cmd, "VideoQMax")) {
1070 ffserver_get_arg(arg, sizeof(arg), p);
1071 if (ffserver_save_avoption("qmax", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1073 } else if (!av_strcasecmp(cmd, "VideoQMin")) {
1074 ffserver_get_arg(arg, sizeof(arg), p);
1075 if (ffserver_save_avoption("qmin", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1077 } else if (!av_strcasecmp(cmd, "LumiMask")) {
1078 ffserver_get_arg(arg, sizeof(arg), p);
1079 if (ffserver_save_avoption("lumi_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1081 } else if (!av_strcasecmp(cmd, "DarkMask")) {
1082 ffserver_get_arg(arg, sizeof(arg), p);
1083 if (ffserver_save_avoption("dark_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1085 } else if (!av_strcasecmp(cmd, "NoVideo")) {
1086 config->no_video = 1;
1087 } else if (!av_strcasecmp(cmd, "NoAudio")) {
1088 config->no_audio = 1;
1089 } else if (!av_strcasecmp(cmd, "ACL")) {
1090 ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename,
1092 } else if (!av_strcasecmp(cmd, "DynamicACL")) {
1093 ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p);
1094 } else if (!av_strcasecmp(cmd, "RTSPOption")) {
1095 ffserver_get_arg(arg, sizeof(arg), p);
1096 av_freep(&stream->rtsp_option);
1097 stream->rtsp_option = av_strdup(arg);
1098 } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
1099 ffserver_get_arg(arg, sizeof(arg), p);
1100 if (resolve_host(&stream->multicast_ip, arg))
1101 ERROR("Invalid host/IP address: '%s'\n", arg);
1102 stream->is_multicast = 1;
1103 stream->loop = 1; /* default is looping */
1104 } else if (!av_strcasecmp(cmd, "MulticastPort")) {
1105 ffserver_get_arg(arg, sizeof(arg), p);
1106 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
1107 "Invalid MulticastPort: '%s'\n", arg);
1108 stream->multicast_port = val;
1109 } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
1110 ffserver_get_arg(arg, sizeof(arg), p);
1111 ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
1112 "Invalid MulticastTTL: '%s'\n", arg);
1113 stream->multicast_ttl = val;
1114 } else if (!av_strcasecmp(cmd, "NoLoop")) {
1116 } else if (!av_strcasecmp(cmd, "</Stream>")) {
1117 config->stream_use_defaults &= 1;
1118 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) {
1119 if (config->dummy_actx->codec_id == AV_CODEC_ID_NONE)
1120 config->dummy_actx->codec_id = config->guessed_audio_codec_id;
1121 if (!config->no_audio &&
1122 config->dummy_actx->codec_id != AV_CODEC_ID_NONE) {
1123 AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id));
1124 add_codec(stream, audio_enc, config);
1126 if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE)
1127 config->dummy_vctx->codec_id = config->guessed_video_codec_id;
1128 if (!config->no_video &&
1129 config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) {
1130 AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id));
1131 add_codec(stream, video_enc, config);
1134 av_dict_free(&config->video_opts);
1135 av_dict_free(&config->audio_opts);
1136 avcodec_free_context(&config->dummy_vctx);
1137 avcodec_free_context(&config->dummy_actx);
1138 config->no_video = 0;
1139 config->no_audio = 0;
1141 } else if (!av_strcasecmp(cmd, "File") ||
1142 !av_strcasecmp(cmd, "ReadOnlyFile")) {
1143 ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename),
1145 } else if (!av_strcasecmp(cmd, "UseDefaults")) {
1146 if (config->stream_use_defaults > 1)
1147 WARNING("Multiple UseDefaults/NoDefaults entries.\n");
1148 config->stream_use_defaults = 3;
1149 } else if (!av_strcasecmp(cmd, "NoDefaults")) {
1150 if (config->stream_use_defaults > 1)
1151 WARNING("Multiple UseDefaults/NoDefaults entries.\n");
1152 config->stream_use_defaults = 2;
1154 ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd);
1158 av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n");
1159 av_dict_free(&config->video_opts);
1160 av_dict_free(&config->audio_opts);
1161 avcodec_free_context(&config->dummy_vctx);
1162 avcodec_free_context(&config->dummy_actx);
1163 return AVERROR(ENOMEM);
1166 static int ffserver_parse_config_redirect(FFServerConfig *config,
1167 const char *cmd, const char **p,
1168 FFServerStream **predirect)
1170 FFServerStream *redirect;
1171 av_assert0(predirect);
1172 redirect = *predirect;
1174 if (!av_strcasecmp(cmd, "<Redirect")) {
1176 redirect = av_mallocz(sizeof(FFServerStream));
1178 return AVERROR(ENOMEM);
1180 ffserver_get_arg(redirect->filename, sizeof(redirect->filename), p);
1181 q = strrchr(redirect->filename, '>');
1184 redirect->stream_type = STREAM_TYPE_REDIRECT;
1185 *predirect = redirect;
1188 av_assert0(redirect);
1189 if (!av_strcasecmp(cmd, "URL")) {
1190 ffserver_get_arg(redirect->feed_filename,
1191 sizeof(redirect->feed_filename), p);
1192 } else if (!av_strcasecmp(cmd, "</Redirect>")) {
1193 if (!redirect->feed_filename[0])
1194 ERROR("No URL found for <Redirect>\n");
1197 ERROR("Invalid entry '%s' inside <Redirect></Redirect>\n", cmd);
1202 int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config)
1208 FFServerStream **last_stream, *stream = NULL, *redirect = NULL;
1209 FFServerStream **last_feed, *feed = NULL;
1214 f = fopen(filename, "r");
1216 ret = AVERROR(errno);
1217 av_log(NULL, AV_LOG_ERROR,
1218 "Could not open the configuration file '%s'\n", filename);
1222 config->first_stream = NULL;
1223 config->first_feed = NULL;
1224 config->errors = config->warnings = 0;
1226 last_stream = &config->first_stream;
1227 last_feed = &config->first_feed;
1229 config->line_num = 0;
1230 while (fgets(line, sizeof(line), f) != NULL) {
1233 while (av_isspace(*p))
1235 if (*p == '\0' || *p == '#')
1238 ffserver_get_arg(cmd, sizeof(cmd), &p);
1240 if (feed || !av_strcasecmp(cmd, "<Feed")) {
1241 int opening = !av_strcasecmp(cmd, "<Feed");
1242 if (opening && (stream || feed || redirect)) {
1243 ERROR("Already in a tag\n");
1245 ret = ffserver_parse_config_feed(config, cmd, &p, &feed);
1249 /* add in stream & feed list */
1250 *last_stream = feed;
1252 last_stream = &feed->next;
1253 last_feed = &feed->next_feed;
1256 } else if (stream || !av_strcasecmp(cmd, "<Stream")) {
1257 int opening = !av_strcasecmp(cmd, "<Stream");
1258 if (opening && (stream || feed || redirect)) {
1259 ERROR("Already in a tag\n");
1261 ret = ffserver_parse_config_stream(config, cmd, &p, &stream);
1265 /* add in stream list */
1266 *last_stream = stream;
1267 last_stream = &stream->next;
1270 } else if (redirect || !av_strcasecmp(cmd, "<Redirect")) {
1271 int opening = !av_strcasecmp(cmd, "<Redirect");
1272 if (opening && (stream || feed || redirect))
1273 ERROR("Already in a tag\n");
1275 ret = ffserver_parse_config_redirect(config, cmd, &p,
1280 /* add in stream list */
1281 *last_stream = redirect;
1282 last_stream = &redirect->next;
1286 ffserver_parse_config_global(config, cmd, &p);
1289 if (stream || feed || redirect)
1290 ERROR("Missing closing </%s> tag\n",
1291 stream ? "Stream" : (feed ? "Feed" : "Redirect"));
1297 return AVERROR(EINVAL);
1305 void ffserver_free_child_args(void *argsp)
1311 args = *(char ***)argsp;
1314 for (i = 0; i < MAX_CHILD_ARGS; i++)