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Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / ffserver_config.c
CommitLineData
f6fa7814
DM		 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#include <float.h>
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"
27
28// FIXME those are internal headers, ffserver _really_ shouldn't use them
29#include "libavformat/ffm.h"
30
31#include "cmdutils.h"
32#include "ffserver_config.h"
33
34#define MAX_CHILD_ARGS 64
35
36static int ffserver_save_avoption(const char *opt, const char *arg, int type,
37 FFServerConfig *config);
38static void vreport_config_error(const char *filename, int line_num, int log_level,
39 int *errors, const char *fmt, va_list vl);
40static void report_config_error(const char *filename, int line_num, int log_level,
41 int *errors, const char *fmt, ...);
42
43#define ERROR(...) report_config_error(config->filename, config->line_num,\
44 AV_LOG_ERROR, &config->errors, __VA_ARGS__)
45#define WARNING(...) report_config_error(config->filename, config->line_num,\
46 AV_LOG_WARNING, &config->warnings, __VA_ARGS__)
47
48/* FIXME: make ffserver work with IPv6 */
49/* resolve host with also IP address parsing */
50static int resolve_host(struct in_addr *sin_addr, const char *hostname)
51{
52
53 if (!ff_inet_aton(hostname, sin_addr)) {
54#if HAVE_GETADDRINFO
55 struct addrinfo *ai, *cur;
56 struct addrinfo hints = { 0 };
57 hints.ai_family = AF_INET;
58 if (getaddrinfo(hostname, NULL, &hints, &ai))
59 return -1;
60 /* getaddrinfo returns a linked list of addrinfo structs.
61 * Even if we set ai_family = AF_INET above, make sure
62 * that the returned one actually is of the correct type. */
63 for (cur = ai; cur; cur = cur->ai_next) {
64 if (cur->ai_family == AF_INET) {
65 *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
66 freeaddrinfo(ai);
67 return 0;
68 }
69 }
70 freeaddrinfo(ai);
71 return -1;
72#else
73 struct hostent *hp;
74 hp = gethostbyname(hostname);
75 if (!hp)
76 return -1;
77 memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
78#endif
79 }
80 return 0;
81}
82
83void ffserver_get_arg(char *buf, int buf_size, const char **pp)
84{
85 const char *p;
86 char *q;
87 int quote;
88
89 p = *pp;
90 while (av_isspace(*p)) p++;
91 q = buf;
92 quote = 0;
93 if (*p == '\"' || *p == '\'')
94 quote = *p++;
95 for(;;) {
96 if (quote) {
97 if (*p == quote)
98 break;
99 } else {
100 if (av_isspace(*p))
101 break;
102 }
103 if (*p == '\0')
104 break;
105 if ((q - buf) < buf_size - 1)
106 *q++ = *p;
107 p++;
108 }
109 *q = '\0';
110 if (quote && *p == quote)
111 p++;
112 *pp = p;
113}
114
115void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed,
116 FFServerIPAddressACL *ext_acl,
117 const char *p, const char *filename, int line_num)
118{
119 char arg[1024];
120 FFServerIPAddressACL acl;
121 int errors = 0;
122
123 ffserver_get_arg(arg, sizeof(arg), &p);
124 if (av_strcasecmp(arg, "allow") == 0)
125 acl.action = IP_ALLOW;
126 else if (av_strcasecmp(arg, "deny") == 0)
127 acl.action = IP_DENY;
128 else {
129 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
130 filename, line_num, arg);
131 errors++;
132 }
133
134 ffserver_get_arg(arg, sizeof(arg), &p);
135
136 if (resolve_host(&acl.first, arg)) {
137 fprintf(stderr, "%s:%d: ACL refers to invalid host or IP address '%s'\n",
138 filename, line_num, arg);
139 errors++;
140 } else
141 acl.last = acl.first;
142
143 ffserver_get_arg(arg, sizeof(arg), &p);
144
145 if (arg[0]) {
146 if (resolve_host(&acl.last, arg)) {
147 fprintf(stderr,
148 "%s:%d: ACL refers to invalid host or IP address '%s'\n",
149 filename, line_num, arg);
150 errors++;
151 }
152 }
153
154 if (!errors) {
155 FFServerIPAddressACL *nacl = av_mallocz(sizeof(*nacl));
156 FFServerIPAddressACL **naclp = 0;
157
158 acl.next = 0;
159 *nacl = acl;
160
161 if (stream)
162 naclp = &stream->acl;
163 else if (feed)
164 naclp = &feed->acl;
165 else if (ext_acl)
166 naclp = &ext_acl;
167 else {
168 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
169 filename, line_num);
170 errors++;
171 }
172
173 if (naclp) {
174 while (*naclp)
175 naclp = &(*naclp)->next;
176
177 *naclp = nacl;
178 } else
179 av_free(nacl);
180 }
181}
182
183/* add a codec and set the default parameters */
184static void add_codec(FFServerStream *stream, AVCodecContext *av,
185 FFServerConfig *config)
186{
187 AVStream *st;
188 AVDictionary **opts, *recommended = NULL;
189 char *enc_config;
190
191 if(stream->nb_streams >= FF_ARRAY_ELEMS(stream->streams))
192 return;
193
194 opts = av->codec_type == AVMEDIA_TYPE_AUDIO ?
195 &config->audio_opts : &config->video_opts;
196 av_dict_copy(&recommended, *opts, 0);
197 av_opt_set_dict2(av->priv_data, opts, AV_OPT_SEARCH_CHILDREN);
198 av_opt_set_dict2(av, opts, AV_OPT_SEARCH_CHILDREN);
199 if (av_dict_count(*opts))
200 av_log(NULL, AV_LOG_WARNING,
201 "Something is wrong, %d options are not set!\n", av_dict_count(*opts));
202
203 if (config->stream_use_defaults) {
204 //TODO: reident
205 /* compute default parameters */
206 switch(av->codec_type) {
207 case AVMEDIA_TYPE_AUDIO:
208 if (!av_dict_get(recommended, "ab", NULL, 0)) {
209 av->bit_rate = 64000;
210 av_dict_set_int(&recommended, "ab", av->bit_rate, 0);
211 WARNING("Setting default value for audio bit rate = %d. "
212 "Use NoDefaults to disable it.\n",
213 av->bit_rate);
214 }
215 if (!av_dict_get(recommended, "ar", NULL, 0)) {
216 av->sample_rate = 22050;
217 av_dict_set_int(&recommended, "ar", av->sample_rate, 0);
218 WARNING("Setting default value for audio sample rate = %d. "
219 "Use NoDefaults to disable it.\n",
220 av->sample_rate);
221 }
222 if (!av_dict_get(recommended, "ac", NULL, 0)) {
223 av->channels = 1;
224 av_dict_set_int(&recommended, "ac", av->channels, 0);
225 WARNING("Setting default value for audio channel count = %d. "
226 "Use NoDefaults to disable it.\n",
227 av->channels);
228 }
229 break;
230 case AVMEDIA_TYPE_VIDEO:
231 if (!av_dict_get(recommended, "b", NULL, 0)) {
232 av->bit_rate = 64000;
233 av_dict_set_int(&recommended, "b", av->bit_rate, 0);
234 WARNING("Setting default value for video bit rate = %d. "
235 "Use NoDefaults to disable it.\n",
236 av->bit_rate);
237 }
238 if (!av_dict_get(recommended, "time_base", NULL, 0)){
239 av->time_base.den = 5;
240 av->time_base.num = 1;
241 av_dict_set(&recommended, "time_base", "1/5", 0);
242 WARNING("Setting default value for video frame rate = %d. "
243 "Use NoDefaults to disable it.\n",
244 av->time_base.den);
245 }
246 if (!av_dict_get(recommended, "video_size", NULL, 0)) {
247 av->width = 160;
248 av->height = 128;
249 av_dict_set(&recommended, "video_size", "160x128", 0);
250 WARNING("Setting default value for video size = %dx%d. "
251 "Use NoDefaults to disable it.\n",
252 av->width, av->height);
253 }
254 /* Bitrate tolerance is less for streaming */
255 if (!av_dict_get(recommended, "bt", NULL, 0)) {
256 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
257 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
258 av_dict_set_int(&recommended, "bt", av->bit_rate_tolerance, 0);
259 WARNING("Setting default value for video bit rate tolerance = %d. "
260 "Use NoDefaults to disable it.\n",
261 av->bit_rate_tolerance);
262 }
263
264 if (!av_dict_get(recommended, "rc_eq", NULL, 0)) {
265 av->rc_eq = av_strdup("tex^qComp");
266 av_dict_set(&recommended, "rc_eq", "tex^qComp", 0);
267 WARNING("Setting default value for video rate control equation = %s. "
268 "Use NoDefaults to disable it.\n",
269 av->rc_eq);
270 }
271 if (!av_dict_get(recommended, "maxrate", NULL, 0)) {
272 av->rc_max_rate = av->bit_rate * 2;
273 av_dict_set_int(&recommended, "maxrate", av->rc_max_rate, 0);
274 WARNING("Setting default value for video max rate = %d. "
275 "Use NoDefaults to disable it.\n",
276 av->rc_max_rate);
277 }
278
279 if (av->rc_max_rate && !av_dict_get(recommended, "bufsize", NULL, 0)) {
280 av->rc_buffer_size = av->rc_max_rate;
281 av_dict_set_int(&recommended, "bufsize", av->rc_buffer_size, 0);
282 WARNING("Setting default value for video buffer size = %d. "
283 "Use NoDefaults to disable it.\n",
284 av->rc_buffer_size);
285 }
286 break;
287 default:
288 abort();
289 }
290 } else {
291 switch(av->codec_type) {
292 case AVMEDIA_TYPE_AUDIO:
293 if (av->bit_rate == 0)
294 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
295 &config->errors, "audio bit rate is not set\n");
296 if (av->sample_rate == 0)
297 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
298 &config->errors, "audio sample rate is not set\n");
299 break;
300 case AVMEDIA_TYPE_VIDEO:
301 if (av->width == 0 || av->height == 0)
302 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
303 &config->errors, "video size is not set\n");
304 break;
305 default:
306 av_assert0(0);
307 }
308 }
309
310 st = av_mallocz(sizeof(AVStream));
311 if (!st)
312 return;
313 av_dict_get_string(recommended, &enc_config, '=', ',');
314 av_dict_free(&recommended);
315 av_stream_set_recommended_encoder_configuration(st, enc_config);
316 st->codec = av;
317 stream->streams[stream->nb_streams++] = st;
318}
319
320static int ffserver_set_codec(AVCodecContext *ctx, const char *codec_name, FFServerConfig *config)
321{
322 int ret;
323 AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
324 if (!codec || codec->type != ctx->codec_type) {
325 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
326 &config->errors, "Invalid codec name: %s\n", codec_name);
327 return 0;
328 }
329 if (ctx->codec_id == AV_CODEC_ID_NONE && !ctx->priv_data) {
330 if ((ret = avcodec_get_context_defaults3(ctx, codec)) < 0)
331 return ret;
332 ctx->codec = codec;
333 }
334 if (ctx->codec_id != codec->id)
335 report_config_error(config->filename, config->line_num, AV_LOG_ERROR, &config->errors,
336 "Inconsistent configuration: trying to set %s codec option, but %s codec is used previously\n",
337 codec_name, avcodec_get_name(ctx->codec_id));
338 return 0;
339}
340
341static int ffserver_opt_preset(const char *arg, int type, FFServerConfig *config)
342{
343 FILE *f=NULL;
344 char filename[1000], tmp[1000], tmp2[1000], line[1000];
345 int ret = 0;
346 AVCodecContext *avctx;
347 const AVCodec *codec;
348
349 switch(type) {
350 case AV_OPT_FLAG_AUDIO_PARAM:
351 avctx = config->dummy_actx;
352 break;
353 case AV_OPT_FLAG_VIDEO_PARAM:
354 avctx = config->dummy_vctx;
355 break;
356 default:
357 av_assert0(0);
358 }
359 codec = avcodec_find_encoder(avctx->codec_id);
360
361 if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
362 codec ? codec->name : NULL))) {
363 av_log(NULL, AV_LOG_ERROR, "File for preset '%s' not found\n", arg);
364 return AVERROR(EINVAL);
365 }
366
367 while(!feof(f)){
368 int e= fscanf(f, "%999[^\n]\n", line) - 1;
369 if(line[0] == '#' && !e)
370 continue;
371 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
372 if(e){
373 av_log(NULL, AV_LOG_ERROR, "%s: Invalid syntax: '%s'\n", filename, line);
374 ret = AVERROR(EINVAL);
375 break;
376 }
377 if ((!strcmp(tmp, "acodec") && avctx->codec_type == AVMEDIA_TYPE_AUDIO) ||
378 !strcmp(tmp, "vcodec") && avctx->codec_type == AVMEDIA_TYPE_VIDEO)
379 {
380 if (ffserver_set_codec(avctx, tmp2, config) < 0)
381 break;
382 } else if (!strcmp(tmp, "scodec")) {
383 av_log(NULL, AV_LOG_ERROR, "Subtitles preset found.\n");
384 ret = AVERROR(EINVAL);
385 break;
386 } else if (ffserver_save_avoption(tmp, tmp2, type, config) < 0)
387 break;
388 }
389
390 fclose(f);
391
392 return ret;
393}
394
395static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename, const char *mime_type)
396{
397 AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
398
399 if (fmt) {
400 AVOutputFormat *stream_fmt;
401 char stream_format_name[64];
402
403 snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream",
404 fmt->name);
405 stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
406
407 if (stream_fmt)
408 fmt = stream_fmt;
409 }
410
411 return fmt;
412}
413
414static void vreport_config_error(const char *filename, int line_num, int log_level, int *errors, const char *fmt, va_list vl)
415{
416 av_log(NULL, log_level, "%s:%d: ", filename, line_num);
417 av_vlog(NULL, log_level, fmt, vl);
418 if (errors)
419 (*errors)++;
420}
421
422static void report_config_error(const char *filename, int line_num, int log_level, int *errors, const char *fmt, ...)
423{
424 va_list vl;
425 va_start(vl, fmt);
426 vreport_config_error(filename, line_num, log_level, errors, fmt, vl);
427 va_end(vl);
428}
429
430static int ffserver_set_int_param(int *dest, const char *value, int factor, int min, int max,
431 FFServerConfig *config, const char *error_msg, ...)
432{
433 int tmp;
434 char *tailp;
435 if (!value || !value[0])
436 goto error;
437 errno = 0;
438 tmp = strtol(value, &tailp, 0);
439 if (tmp < min || tmp > max)
440 goto error;
441 if (factor) {
442 if (FFABS(tmp) > INT_MAX / FFABS(factor))
443 goto error;
444 tmp *= factor;
445 }
446 if (tailp[0] || errno)
447 goto error;
448 if (dest)
449 *dest = tmp;
450 return 0;
451 error:
452 if (config) {
453 va_list vl;
454 va_start(vl, error_msg);
455 vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR,
456 &config->errors, error_msg, vl);
457 va_end(vl);
458 }
459 return AVERROR(EINVAL);
460}
461
462static int ffserver_set_float_param(float *dest, const char *value, float factor, float min, float max,
463 FFServerConfig *config, const char *error_msg, ...)
464{
465 double tmp;
466 char *tailp;
467 if (!value || !value[0])
468 goto error;
469 errno = 0;
470 tmp = strtod(value, &tailp);
471 if (tmp < min || tmp > max)
472 goto error;
473 if (factor)
474 tmp *= factor;
475 if (tailp[0] || errno)
476 goto error;
477 if (dest)
478 *dest = tmp;
479 return 0;
480 error:
481 if (config) {
482 va_list vl;
483 va_start(vl, error_msg);
484 vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR,
485 &config->errors, error_msg, vl);
486 va_end(vl);
487 }
488 return AVERROR(EINVAL);
489}
490
491static int ffserver_save_avoption(const char *opt, const char *arg, int type, FFServerConfig *config)
492{
493 static int hinted = 0;
494 int ret = 0;
495 AVDictionaryEntry *e;
496 const AVOption *o = NULL;
497 const char *option = NULL;
498 const char *codec_name = NULL;
499 char buff[1024];
500 AVCodecContext *ctx;
501 AVDictionary **dict;
502 enum AVCodecID guessed_codec_id;
503
504 switch (type) {
505 case AV_OPT_FLAG_VIDEO_PARAM:
506 ctx = config->dummy_vctx;
507 dict = &config->video_opts;
508 guessed_codec_id = config->guessed_video_codec_id != AV_CODEC_ID_NONE ?
509 config->guessed_video_codec_id : AV_CODEC_ID_H264;
510 break;
511 case AV_OPT_FLAG_AUDIO_PARAM:
512 ctx = config->dummy_actx;
513 dict = &config->audio_opts;
514 guessed_codec_id = config->guessed_audio_codec_id != AV_CODEC_ID_NONE ?
515 config->guessed_audio_codec_id : AV_CODEC_ID_AAC;
516 break;
517 default:
518 av_assert0(0);
519 }
520
521 if (strchr(opt, ':')) {
522 //explicit private option
523 snprintf(buff, sizeof(buff), "%s", opt);
524 codec_name = buff;
525 option = strchr(buff, ':');
526 buff[option - buff] = '\0';
527 option++;
528 if ((ret = ffserver_set_codec(ctx, codec_name, config)) < 0)
529 return ret;
530 if (!ctx->codec || !ctx->priv_data)
531 return -1;
532 } else {
533 option = opt;
534 }
535
536 o = av_opt_find(ctx, option, NULL, type | AV_OPT_FLAG_ENCODING_PARAM, AV_OPT_SEARCH_CHILDREN);
537 if (!o && (!strcmp(option, "time_base") || !strcmp(option, "pixel_format") ||
538 !strcmp(option, "video_size") || !strcmp(option, "codec_tag")))
539 o = av_opt_find(ctx, option, NULL, 0, 0);
540 if (!o) {
541 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
542 &config->errors, "Option not found: %s\n", opt);
543 if (!hinted && ctx->codec_id == AV_CODEC_ID_NONE) {
544 hinted = 1;
545 report_config_error(config->filename, config->line_num, AV_LOG_ERROR, NULL,
546 "If '%s' is a codec private option, then prefix it with codec name, "
547 "for example '%s:%s %s' or define codec earlier.\n",
548 opt, avcodec_get_name(guessed_codec_id) ,opt, arg);
549 }
550 } else if ((ret = av_opt_set(ctx, option, arg, AV_OPT_SEARCH_CHILDREN)) < 0) {
551 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
552 &config->errors, "Invalid value for option %s (%s): %s\n", opt,
553 arg, av_err2str(ret));
554 } else if ((e = av_dict_get(*dict, option, NULL, 0))) {
555 if ((o->type == AV_OPT_TYPE_FLAGS) && arg && (arg[0] == '+' || arg[0] == '-'))
556 return av_dict_set(dict, option, arg, AV_DICT_APPEND);
557 report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
558 &config->errors,
559 "Redeclaring value of the option %s, previous value: %s\n",
560 opt, e->value);
561 } else if (av_dict_set(dict, option, arg, 0) < 0) {
562 return AVERROR(ENOMEM);
563 }
564 return 0;
565}
566
567static int ffserver_save_avoption_int(const char *opt, int64_t arg,
568 int type, FFServerConfig *config)
569{
570 char buf[22];
571 snprintf(buf, sizeof(buf), "%"PRId64, arg);
572 return ffserver_save_avoption(opt, buf, type, config);
573}
574
575static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd,
576 const char **p)
577{
578 int val;
579 char arg[1024];
580 if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) {
581 if (!av_strcasecmp(cmd, "Port"))
582 WARNING("Port option is deprecated, use HTTPPort instead\n");
583 ffserver_get_arg(arg, sizeof(arg), p);
584 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
585 "Invalid port: %s\n", arg);
586 if (val < 1024)
587 WARNING("Trying to use IETF assigned system port: %d\n", val);
588 config->http_addr.sin_port = htons(val);
589 } else if (!av_strcasecmp(cmd, "HTTPBindAddress") || !av_strcasecmp(cmd, "BindAddress")) {
590 if (!av_strcasecmp(cmd, "BindAddress"))
591 WARNING("BindAddress option is deprecated, use HTTPBindAddress instead\n");
592 ffserver_get_arg(arg, sizeof(arg), p);
593 if (resolve_host(&config->http_addr.sin_addr, arg))
594 ERROR("Invalid host/IP address: %s\n", arg);
595 } else if (!av_strcasecmp(cmd, "NoDaemon")) {
596 WARNING("NoDaemon option has no effect, you should remove it\n");
597 } else if (!av_strcasecmp(cmd, "RTSPPort")) {
598 ffserver_get_arg(arg, sizeof(arg), p);
599 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
600 "Invalid port: %s\n", arg);
601 config->rtsp_addr.sin_port = htons(val);
602 } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
603 ffserver_get_arg(arg, sizeof(arg), p);
604 if (resolve_host(&config->rtsp_addr.sin_addr, arg))
605 ERROR("Invalid host/IP address: %s\n", arg);
606 } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
607 ffserver_get_arg(arg, sizeof(arg), p);
608 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
609 "Invalid MaxHTTPConnections: %s\n", arg);
610 config->nb_max_http_connections = val;
611 if (config->nb_max_connections > config->nb_max_http_connections)
612 ERROR("Inconsistent configuration: MaxClients(%d) > MaxHTTPConnections(%d)\n",
613 config->nb_max_connections, config->nb_max_http_connections);
614 } else if (!av_strcasecmp(cmd, "MaxClients")) {
615 ffserver_get_arg(arg, sizeof(arg), p);
616 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
617 "Invalid MaxClients: %s\n", arg);
618 config->nb_max_connections = val;
619 if (config->nb_max_connections > config->nb_max_http_connections)
620 ERROR("Inconsistent configuration: MaxClients(%d) > MaxHTTPConnections(%d)\n",
621 config->nb_max_connections, config->nb_max_http_connections);
622 } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
623 int64_t llval;
624 char *tailp;
625 ffserver_get_arg(arg, sizeof(arg), p);
626 errno = 0;
627 llval = strtoll(arg, &tailp, 10);
628 if (llval < 10 || llval > 10000000 || tailp[0] || errno)
629 ERROR("Invalid MaxBandwidth: %s\n", arg);
630 else
631 config->max_bandwidth = llval;
632 } else if (!av_strcasecmp(cmd, "CustomLog")) {
633 if (!config->debug)
634 ffserver_get_arg(config->logfilename, sizeof(config->logfilename), p);
635 } else if (!av_strcasecmp(cmd, "LoadModule")) {
636 ERROR("Loadable modules are no longer supported\n");
637 } else if (!av_strcasecmp(cmd, "NoDefaults")) {
638 config->use_defaults = 0;
639 } else if (!av_strcasecmp(cmd, "UseDefaults")) {
640 config->use_defaults = 1;
641 } else
642 ERROR("Incorrect keyword: '%s'\n", cmd);
643 return 0;
644}
645
646static int ffserver_parse_config_feed(FFServerConfig *config, const char *cmd, const char **p,
647 FFServerStream **pfeed)
648{
649 FFServerStream *feed;
650 char arg[1024];
651 av_assert0(pfeed);
652 feed = *pfeed;
653 if (!av_strcasecmp(cmd, "<Feed")) {
654 char *q;
655 FFServerStream *s;
656 feed = av_mallocz(sizeof(FFServerStream));
657 if (!feed)
658 return AVERROR(ENOMEM);
659 ffserver_get_arg(feed->filename, sizeof(feed->filename), p);
660 q = strrchr(feed->filename, '>');
661 if (*q)
662 *q = '\0';
663
664 for (s = config->first_feed; s; s = s->next) {
665 if (!strcmp(feed->filename, s->filename))
666 ERROR("Feed '%s' already registered\n", s->filename);
667 }
668
669 feed->fmt = av_guess_format("ffm", NULL, NULL);
670 /* default feed file */
671 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
672 "/tmp/%s.ffm", feed->filename);
673 feed->feed_max_size = 5 * 1024 * 1024;
674 feed->is_feed = 1;
675 feed->feed = feed; /* self feeding :-) */
676 *pfeed = feed;
677 return 0;
678 }
679 av_assert0(feed);
680 if (!av_strcasecmp(cmd, "Launch")) {
681 int i;
682
683 feed->child_argv = av_mallocz_array(MAX_CHILD_ARGS, sizeof(char *));
684 if (!feed->child_argv)
685 return AVERROR(ENOMEM);
686 for (i = 0; i < MAX_CHILD_ARGS - 2; i++) {
687 ffserver_get_arg(arg, sizeof(arg), p);
688 if (!arg[0])
689 break;
690
691 feed->child_argv[i] = av_strdup(arg);
692 if (!feed->child_argv[i])
693 return AVERROR(ENOMEM);
694 }
695
696 feed->child_argv[i] =
697 av_asprintf("http://%s:%d/%s",
698 (config->http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
699 inet_ntoa(config->http_addr.sin_addr), ntohs(config->http_addr.sin_port),
700 feed->filename);
701 if (!feed->child_argv[i])
702 return AVERROR(ENOMEM);
703 } else if (!av_strcasecmp(cmd, "ACL")) {
704 ffserver_parse_acl_row(NULL, feed, NULL, *p, config->filename,
705 config->line_num);
706 } else if (!av_strcasecmp(cmd, "File") || !av_strcasecmp(cmd, "ReadOnlyFile")) {
707 ffserver_get_arg(feed->feed_filename, sizeof(feed->feed_filename), p);
708 feed->readonly = !av_strcasecmp(cmd, "ReadOnlyFile");
709 } else if (!av_strcasecmp(cmd, "Truncate")) {
710 ffserver_get_arg(arg, sizeof(arg), p);
711 /* assume Truncate is true in case no argument is specified */
712 if (!arg[0]) {
713 feed->truncate = 1;
714 } else {
715 WARNING("Truncate N syntax in configuration file is deprecated, "
716 "use Truncate alone with no arguments\n");
717 feed->truncate = strtod(arg, NULL);
718 }
719 } else if (!av_strcasecmp(cmd, "FileMaxSize")) {
720 char *p1;
721 double fsize;
722
723 ffserver_get_arg(arg, sizeof(arg), p);
724 p1 = arg;
725 fsize = strtod(p1, &p1);
726 switch(av_toupper(*p1)) {
727 case 'K':
728 fsize *= 1024;
729 break;
730 case 'M':
731 fsize *= 1024 * 1024;
732 break;
733 case 'G':
734 fsize *= 1024 * 1024 * 1024;
735 break;
736 default:
737 ERROR("Invalid file size: %s\n", arg);
738 break;
739 }
740 feed->feed_max_size = (int64_t)fsize;
741 if (feed->feed_max_size < FFM_PACKET_SIZE*4)
742 ERROR("Feed max file size is too small, must be at least %d\n",
743 FFM_PACKET_SIZE*4);
744 } else if (!av_strcasecmp(cmd, "</Feed>")) {
745 *pfeed = NULL;
746 } else {
747 ERROR("Invalid entry '%s' inside <Feed></Feed>\n", cmd);
748 }
749 return 0;
750}
751
752static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd, const char **p,
753 FFServerStream **pstream)
754{
755 char arg[1024], arg2[1024];
756 FFServerStream *stream;
757 int val;
758
759 av_assert0(pstream);
760 stream = *pstream;
761
762 if (!av_strcasecmp(cmd, "<Stream")) {
763 char *q;
764 FFServerStream *s;
765 stream = av_mallocz(sizeof(FFServerStream));
766 if (!stream)
767 return AVERROR(ENOMEM);
768 config->dummy_actx = avcodec_alloc_context3(NULL);
769 config->dummy_vctx = avcodec_alloc_context3(NULL);
770 if (!config->dummy_vctx || !config->dummy_actx) {
771 av_free(stream);
772 avcodec_free_context(&config->dummy_vctx);
773 avcodec_free_context(&config->dummy_actx);
774 return AVERROR(ENOMEM);
775 }
776 config->dummy_actx->codec_type = AVMEDIA_TYPE_AUDIO;
777 config->dummy_vctx->codec_type = AVMEDIA_TYPE_VIDEO;
778 ffserver_get_arg(stream->filename, sizeof(stream->filename), p);
779 q = strrchr(stream->filename, '>');
780 if (q)
781 *q = '\0';
782
783 for (s = config->first_stream; s; s = s->next) {
784 if (!strcmp(stream->filename, s->filename))
785 ERROR("Stream '%s' already registered\n", s->filename);
786 }
787
788 stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
789 if (stream->fmt) {
790 config->guessed_audio_codec_id = stream->fmt->audio_codec;
791 config->guessed_video_codec_id = stream->fmt->video_codec;
792 } else {
793 config->guessed_audio_codec_id = AV_CODEC_ID_NONE;
794 config->guessed_video_codec_id = AV_CODEC_ID_NONE;
795 }
796 config->stream_use_defaults = config->use_defaults;
797 *pstream = stream;
798 return 0;
799 }
800 av_assert0(stream);
801 if (!av_strcasecmp(cmd, "Feed")) {
802 FFServerStream *sfeed;
803 ffserver_get_arg(arg, sizeof(arg), p);
804 sfeed = config->first_feed;
805 while (sfeed) {
806 if (!strcmp(sfeed->filename, arg))
807 break;
808 sfeed = sfeed->next_feed;
809 }
810 if (!sfeed)
811 ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg,
812 stream->filename);
813 else
814 stream->feed = sfeed;
815 } else if (!av_strcasecmp(cmd, "Format")) {
816 ffserver_get_arg(arg, sizeof(arg), p);
817 if (!strcmp(arg, "status")) {
818 stream->stream_type = STREAM_TYPE_STATUS;
819 stream->fmt = NULL;
820 } else {
821 stream->stream_type = STREAM_TYPE_LIVE;
822 /* JPEG cannot be used here, so use single frame MJPEG */
823 if (!strcmp(arg, "jpeg"))
824 strcpy(arg, "mjpeg");
825 stream->fmt = ffserver_guess_format(arg, NULL, NULL);
826 if (!stream->fmt)
827 ERROR("Unknown Format: %s\n", arg);
828 }
829 if (stream->fmt) {
830 config->guessed_audio_codec_id = stream->fmt->audio_codec;
831 config->guessed_video_codec_id = stream->fmt->video_codec;
832 }
833 } else if (!av_strcasecmp(cmd, "InputFormat")) {
834 ffserver_get_arg(arg, sizeof(arg), p);
835 stream->ifmt = av_find_input_format(arg);
836 if (!stream->ifmt)
837 ERROR("Unknown input format: %s\n", arg);
838 } else if (!av_strcasecmp(cmd, "FaviconURL")) {
839 if (stream->stream_type == STREAM_TYPE_STATUS)
840 ffserver_get_arg(stream->feed_filename,
841 sizeof(stream->feed_filename), p);
842 else
843 ERROR("FaviconURL only permitted for status streams\n");
844 } else if (!av_strcasecmp(cmd, "Author") ||
845 !av_strcasecmp(cmd, "Comment") ||
846 !av_strcasecmp(cmd, "Copyright") ||
847 !av_strcasecmp(cmd, "Title")) {
848 char key[32];
849 int i;
850 ffserver_get_arg(arg, sizeof(arg), p);
851 for (i = 0; i < strlen(cmd); i++)
852 key[i] = av_tolower(cmd[i]);
853 key[i] = 0;
854 WARNING("'%s' option in configuration file is deprecated, "
855 "use 'Metadata %s VALUE' instead\n", cmd, key);
856 if (av_dict_set(&stream->metadata, key, arg, 0) < 0)
857 goto nomem;
858 } else if (!av_strcasecmp(cmd, "Metadata")) {
859 ffserver_get_arg(arg, sizeof(arg), p);
860 ffserver_get_arg(arg2, sizeof(arg2), p);
861 if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0)
862 goto nomem;
863 } else if (!av_strcasecmp(cmd, "Preroll")) {
864 ffserver_get_arg(arg, sizeof(arg), p);
865 stream->prebuffer = atof(arg) * 1000;
866 } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
867 stream->send_on_key = 1;
868 } else if (!av_strcasecmp(cmd, "AudioCodec")) {
869 ffserver_get_arg(arg, sizeof(arg), p);
870 ffserver_set_codec(config->dummy_actx, arg, config);
871 } else if (!av_strcasecmp(cmd, "VideoCodec")) {
872 ffserver_get_arg(arg, sizeof(arg), p);
873 ffserver_set_codec(config->dummy_vctx, arg, config);
874 } else if (!av_strcasecmp(cmd, "MaxTime")) {
875 ffserver_get_arg(arg, sizeof(arg), p);
876 stream->max_time = atof(arg) * 1000;
877 } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
878 float f;
879 ffserver_get_arg(arg, sizeof(arg), p);
880 ffserver_set_float_param(&f, arg, 1000, -FLT_MAX, FLT_MAX, config,
881 "Invalid %s: %s\n", cmd, arg);
882 if (ffserver_save_avoption_int("ab", (int64_t)lrintf(f), AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
883 goto nomem;
884 } else if (!av_strcasecmp(cmd, "AudioChannels")) {
885 ffserver_get_arg(arg, sizeof(arg), p);
886 if (ffserver_save_avoption("ac", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
887 goto nomem;
888 } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
889 ffserver_get_arg(arg, sizeof(arg), p);
890 if (ffserver_save_avoption("ar", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
891 goto nomem;
892 } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
893 int minrate, maxrate;
894 char *dash;
895 ffserver_get_arg(arg, sizeof(arg), p);
896 dash = strchr(arg, '-');
897 if (dash) {
898 *dash = '\0';
899 dash++;
900 if (ffserver_set_int_param(&minrate, arg, 1000, 0, INT_MAX, config, "Invalid %s: %s", cmd, arg) >= 0 &&
901 ffserver_set_int_param(&maxrate, dash, 1000, 0, INT_MAX, config, "Invalid %s: %s", cmd, arg) >= 0) {
902 if (ffserver_save_avoption_int("minrate", minrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
903 ffserver_save_avoption_int("maxrate", maxrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
904 goto nomem;
905 }
906 } else
907 ERROR("Incorrect format for VideoBitRateRange -- should be "
908 "<min>-<max>: %s\n", arg);
909 } else if (!av_strcasecmp(cmd, "Debug")) {
910 ffserver_get_arg(arg, sizeof(arg), p);
911 if (ffserver_save_avoption("debug", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
912 ffserver_save_avoption("debug", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
913 goto nomem;
914 } else if (!av_strcasecmp(cmd, "Strict")) {
915 ffserver_get_arg(arg, sizeof(arg), p);
916 if (ffserver_save_avoption("strict", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
917 ffserver_save_avoption("strict", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
918 goto nomem;
919 } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
920 ffserver_get_arg(arg, sizeof(arg), p);
921 ffserver_set_int_param(&val, arg, 8*1024, 0, INT_MAX, config,
922 "Invalid %s: %s", cmd, arg);
923 if (ffserver_save_avoption_int("bufsize", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
924 goto nomem;
925 } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
926 ffserver_get_arg(arg, sizeof(arg), p);
927 ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
928 "Invalid %s: %s", cmd, arg);
929 if (ffserver_save_avoption_int("bt", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
930 goto nomem;
931 } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
932 ffserver_get_arg(arg, sizeof(arg), p);
933 ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
934 "Invalid %s: %s", cmd, arg);
935 if (ffserver_save_avoption_int("b", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
936 goto nomem;
937 } else if (!av_strcasecmp(cmd, "VideoSize")) {
938 int ret, w, h;
939 ffserver_get_arg(arg, sizeof(arg), p);
940 ret = av_parse_video_size(&w, &h, arg);
941 if (ret < 0)
942 ERROR("Invalid video size '%s'\n", arg);
943 else {
944 if (w % 2 || h % 2)
945 WARNING("Image size is not a multiple of 2\n");
946 if (ffserver_save_avoption("video_size", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
947 goto nomem;
948 }
949 } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
950 ffserver_get_arg(&arg[2], sizeof(arg) - 2, p);
951 arg[0] = '1'; arg[1] = '/';
952 if (ffserver_save_avoption("time_base", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
953 goto nomem;
954 } else if (!av_strcasecmp(cmd, "PixelFormat")) {
955 enum AVPixelFormat pix_fmt;
956 ffserver_get_arg(arg, sizeof(arg), p);
957 pix_fmt = av_get_pix_fmt(arg);
958 if (pix_fmt == AV_PIX_FMT_NONE)
959 ERROR("Unknown pixel format: %s\n", arg);
960 else if (ffserver_save_avoption("pixel_format", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
961 goto nomem;
962 } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
963 ffserver_get_arg(arg, sizeof(arg), p);
964 if (ffserver_save_avoption("g", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
965 goto nomem;
966 } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
967 if (ffserver_save_avoption("g", "1", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
968 goto nomem;
969 } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
970 if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
971 goto nomem;
972 } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
973 if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || //FIXME remove
974 ffserver_save_avoption("flags", "+mv4", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
975 goto nomem;
976 } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
977 !av_strcasecmp(cmd, "AVOptionAudio")) {
978 int ret;
979 ffserver_get_arg(arg, sizeof(arg), p);
980 ffserver_get_arg(arg2, sizeof(arg2), p);
981 if (!av_strcasecmp(cmd, "AVOptionVideo"))
982 ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_VIDEO_PARAM, config);
983 else
984 ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_AUDIO_PARAM, config);
985 if (ret < 0)
986 goto nomem;
987 } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
988 !av_strcasecmp(cmd, "AVPresetAudio")) {
989 ffserver_get_arg(arg, sizeof(arg), p);
990 if (!av_strcasecmp(cmd, "AVPresetVideo"))
991 ffserver_opt_preset(arg, AV_OPT_FLAG_VIDEO_PARAM, config);
992 else
993 ffserver_opt_preset(arg, AV_OPT_FLAG_AUDIO_PARAM, config);
994 } else if (!av_strcasecmp(cmd, "VideoTag")) {
995 ffserver_get_arg(arg, sizeof(arg), p);
996 if (strlen(arg) == 4 &&
997 ffserver_save_avoption_int("codec_tag", MKTAG(arg[0], arg[1], arg[2], arg[3]),
998 AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
999 goto nomem;
1000 } else if (!av_strcasecmp(cmd, "BitExact")) {
1001 if (ffserver_save_avoption("flags", "+bitexact", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1002 goto nomem;
1003 } else if (!av_strcasecmp(cmd, "DctFastint")) {
1004 if (ffserver_save_avoption("dct", "fastint", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1005 goto nomem;
1006 } else if (!av_strcasecmp(cmd, "IdctSimple")) {
1007 if (ffserver_save_avoption("idct", "simple", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1008 goto nomem;
1009 } else if (!av_strcasecmp(cmd, "Qscale")) {
1010 ffserver_get_arg(arg, sizeof(arg), p);
1011 ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
1012 "Invalid Qscale: %s\n", arg);
1013 if (ffserver_save_avoption("flags", "+qscale", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
1014 ffserver_save_avoption_int("global_quality", FF_QP2LAMBDA * val,
1015 AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1016 goto nomem;
1017 } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
1018 ffserver_get_arg(arg, sizeof(arg), p);
1019 if (ffserver_save_avoption("qdiff", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1020 goto nomem;
1021 } else if (!av_strcasecmp(cmd, "VideoQMax")) {
1022 ffserver_get_arg(arg, sizeof(arg), p);
1023 if (ffserver_save_avoption("qmax", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1024 goto nomem;
1025 } else if (!av_strcasecmp(cmd, "VideoQMin")) {
1026 ffserver_get_arg(arg, sizeof(arg), p);
1027 if (ffserver_save_avoption("qmin", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1028 goto nomem;
1029 } else if (!av_strcasecmp(cmd, "LumiMask")) {
1030 ffserver_get_arg(arg, sizeof(arg), p);
1031 if (ffserver_save_avoption("lumi_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1032 goto nomem;
1033 } else if (!av_strcasecmp(cmd, "DarkMask")) {
1034 ffserver_get_arg(arg, sizeof(arg), p);
1035 if (ffserver_save_avoption("dark_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
1036 goto nomem;
1037 } else if (!av_strcasecmp(cmd, "NoVideo")) {
1038 config->no_video = 1;
1039 } else if (!av_strcasecmp(cmd, "NoAudio")) {
1040 config->no_audio = 1;
1041 } else if (!av_strcasecmp(cmd, "ACL")) {
1042 ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename,
1043 config->line_num);
1044 } else if (!av_strcasecmp(cmd, "DynamicACL")) {
1045 ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p);
1046 } else if (!av_strcasecmp(cmd, "RTSPOption")) {
1047 ffserver_get_arg(arg, sizeof(arg), p);
1048 av_freep(&stream->rtsp_option);
1049 stream->rtsp_option = av_strdup(arg);
1050 } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
1051 ffserver_get_arg(arg, sizeof(arg), p);
1052 if (resolve_host(&stream->multicast_ip, arg))
1053 ERROR("Invalid host/IP address: %s\n", arg);
1054 stream->is_multicast = 1;
1055 stream->loop = 1; /* default is looping */
1056 } else if (!av_strcasecmp(cmd, "MulticastPort")) {
1057 ffserver_get_arg(arg, sizeof(arg), p);
1058 ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
1059 "Invalid MulticastPort: %s\n", arg);
1060 stream->multicast_port = val;
1061 } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
1062 ffserver_get_arg(arg, sizeof(arg), p);
1063 ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
1064 "Invalid MulticastTTL: %s\n", arg);
1065 stream->multicast_ttl = val;
1066 } else if (!av_strcasecmp(cmd, "NoLoop")) {
1067 stream->loop = 0;
1068 } else if (!av_strcasecmp(cmd, "</Stream>")) {
1069 config->stream_use_defaults &= 1;
1070 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) {
1071 if (config->dummy_actx->codec_id == AV_CODEC_ID_NONE)
1072 config->dummy_actx->codec_id = config->guessed_audio_codec_id;
1073 if (!config->no_audio && config->dummy_actx->codec_id != AV_CODEC_ID_NONE) {
1074 AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id));
1075 add_codec(stream, audio_enc, config);
1076 }
1077 if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE)
1078 config->dummy_vctx->codec_id = config->guessed_video_codec_id;
1079 if (!config->no_video && config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) {
1080 AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id));
1081 add_codec(stream, video_enc, config);
1082 }
1083 }
1084 av_dict_free(&config->video_opts);
1085 av_dict_free(&config->audio_opts);
1086 avcodec_free_context(&config->dummy_vctx);
1087 avcodec_free_context(&config->dummy_actx);
1088 *pstream = NULL;
1089 } else if (!av_strcasecmp(cmd, "File") || !av_strcasecmp(cmd, "ReadOnlyFile")) {
1090 ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename),
1091 p);
1092 } else if (!av_strcasecmp(cmd, "UseDefaults")) {
1093 if (config->stream_use_defaults > 1)
1094 WARNING("Multiple UseDefaults/NoDefaults entries.\n");
1095 config->stream_use_defaults = 3;
1096 } else if (!av_strcasecmp(cmd, "NoDefaults")) {
1097 if (config->stream_use_defaults > 1)
1098 WARNING("Multiple UseDefaults/NoDefaults entries.\n");
1099 config->stream_use_defaults = 2;
1100 } else {
1101 ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd);
1102 }
1103 return 0;
1104 nomem:
1105 av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n");
1106 av_dict_free(&config->video_opts);
1107 av_dict_free(&config->audio_opts);
1108 avcodec_free_context(&config->dummy_vctx);
1109 avcodec_free_context(&config->dummy_actx);
1110 return AVERROR(ENOMEM);
1111}
1112
1113static int ffserver_parse_config_redirect(FFServerConfig *config, const char *cmd, const char **p,
1114 FFServerStream **predirect)
1115{
1116 FFServerStream *redirect;
1117 av_assert0(predirect);
1118 redirect = *predirect;
1119
1120 if (!av_strcasecmp(cmd, "<Redirect")) {
1121 char *q;
1122 redirect = av_mallocz(sizeof(FFServerStream));
1123 if (!redirect)
1124 return AVERROR(ENOMEM);
1125
1126 ffserver_get_arg(redirect->filename, sizeof(redirect->filename), p);
1127 q = strrchr(redirect->filename, '>');
1128 if (*q)
1129 *q = '\0';
1130 redirect->stream_type = STREAM_TYPE_REDIRECT;
1131 *predirect = redirect;
1132 return 0;
1133 }
1134 av_assert0(redirect);
1135 if (!av_strcasecmp(cmd, "URL")) {
1136 ffserver_get_arg(redirect->feed_filename,
1137 sizeof(redirect->feed_filename), p);
1138 } else if (!av_strcasecmp(cmd, "</Redirect>")) {
1139 if (!redirect->feed_filename[0])
1140 ERROR("No URL found for <Redirect>\n");
1141 *predirect = NULL;
1142 } else {
1143 ERROR("Invalid entry '%s' inside <Redirect></Redirect>\n", cmd);
1144 }
1145 return 0;
1146}
1147
1148int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config)
1149{
1150 FILE *f;
1151 char line[1024];
1152 char cmd[64];
1153 const char *p;
1154 FFServerStream **last_stream, *stream = NULL, *redirect = NULL;
1155 FFServerStream **last_feed, *feed = NULL;
1156 int ret = 0;
1157
1158 av_assert0(config);
1159
1160 config->line_num = 0;
1161 f = fopen(filename, "r");
1162 if (!f) {
1163 ret = AVERROR(errno);
1164 av_log(NULL, AV_LOG_ERROR,
1165 "Could not open the configuration file '%s'\n", filename);
1166 return ret;
1167 }
1168
1169 config->first_stream = NULL;
1170 last_stream = &config->first_stream;
1171 config->first_feed = NULL;
1172 last_feed = &config->first_feed;
1173 config->errors = config->warnings = 0;
1174
1175 for(;;) {
1176 if (fgets(line, sizeof(line), f) == NULL)
1177 break;
1178 config->line_num++;
1179 p = line;
1180 while (av_isspace(*p))
1181 p++;
1182 if (*p == '\0' || *p == '#')
1183 continue;
1184
1185 ffserver_get_arg(cmd, sizeof(cmd), &p);
1186
1187 if (feed || !av_strcasecmp(cmd, "<Feed")) {
1188 int opening = !av_strcasecmp(cmd, "<Feed");
1189 if (opening && (stream || feed || redirect)) {
1190 ERROR("Already in a tag\n");
1191 } else {
1192 if ((ret = ffserver_parse_config_feed(config, cmd, &p, &feed)) < 0)
1193 break;
1194 if (opening) {
1195 /* add in stream list */
1196 *last_stream = feed;
1197 last_stream = &feed->next;
1198 /* add in feed list */
1199 *last_feed = feed;
1200 last_feed = &feed->next_feed;
1201 }
1202 }
1203 } else if (stream || !av_strcasecmp(cmd, "<Stream")) {
1204 int opening = !av_strcasecmp(cmd, "<Stream");
1205 if (opening && (stream || feed || redirect)) {
1206 ERROR("Already in a tag\n");
1207 } else {
1208 if ((ret = ffserver_parse_config_stream(config, cmd, &p, &stream)) < 0)
1209 break;
1210 if (opening) {
1211 /* add in stream list */
1212 *last_stream = stream;
1213 last_stream = &stream->next;
1214 }
1215 }
1216 } else if (redirect || !av_strcasecmp(cmd, "<Redirect")) {
1217 int opening = !av_strcasecmp(cmd, "<Redirect");
1218 if (opening && (stream || feed || redirect))
1219 ERROR("Already in a tag\n");
1220 else {
1221 if ((ret = ffserver_parse_config_redirect(config, cmd, &p, &redirect)) < 0)
1222 break;
1223 if (opening) {
1224 /* add in stream list */
1225 *last_stream = redirect;
1226 last_stream = &redirect->next;
1227 }
1228 }
1229 } else {
1230 ffserver_parse_config_global(config, cmd, &p);
1231 }
1232 }
1233 if (stream || feed || redirect)
1234 ERROR("Not closed tag %s\n", stream ? "<Stream>" : (feed ? "<Feed>" : "<Redirect>"));
1235
1236 fclose(f);
1237 if (ret < 0)
1238 return ret;
1239 if (config->errors)
1240 return AVERROR(EINVAL);
1241 else
1242 return 0;
1243}
1244
1245#undef ERROR
1246#undef WARNING
1247
1248void ffserver_free_child_args(void *argsp)
1249{
1250 int i;
1251 char **args;
1252 if (!argsp)
1253 return;
1254 args = *(char ***)argsp;
1255 if (!args)
1256 return;
1257 for (i = 0; i < MAX_CHILD_ARGS; i++)
1258 av_free(args[i]);
1259 av_freep(argsp);
1260}
ffmpeg Piment Noir Debian package repository