| 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 | |
| 36 | static int ffserver_save_avoption(const char *opt, const char *arg, int type, |
| 37 | FFServerConfig *config); |
| 38 | static void vreport_config_error(const char *filename, int line_num, int log_level, |
| 39 | int *errors, const char *fmt, va_list vl); |
| 40 | static 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 */ |
| 50 | static 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 | |
| 83 | void 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 | |
| 115 | void 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 */ |
| 184 | static 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 | |
| 320 | static 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 | |
| 341 | static 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 | |
| 395 | static 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 | |
| 414 | static 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 | |
| 422 | static 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 | |
| 430 | static 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 | |
| 462 | static 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 | |
| 491 | static 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 | |
| 567 | static 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 | |
| 575 | static 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 | |
| 646 | static 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 | |
| 752 | static 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 | |
| 1113 | static 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 | |
| 1148 | int 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 | |
| 1248 | void 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 | } |