diff options
Diffstat (limited to 'ffserver_config.c')
| -rw-r--r-- | ffserver_config.c | 1313 |
1 files changed, 1313 insertions, 0 deletions
diff --git a/ffserver_config.c b/ffserver_config.c new file mode 100644 index 0000000000..017af48434 --- /dev/null +++ b/ffserver_config.c @@ -0,0 +1,1313 @@ +/* + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <float.h> +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "libavutil/avstring.h" +#include "libavutil/pixdesc.h" +#include "libavutil/avassert.h" + +// FIXME those are internal headers, ffserver _really_ shouldn't use them +#include "libavformat/ffm.h" + +#include "cmdutils.h" +#include "ffserver_config.h" + +#define MAX_CHILD_ARGS 64 + +static int ffserver_save_avoption(const char *opt, const char *arg, int type, + FFServerConfig *config); +static void vreport_config_error(const char *filename, int line_num, + int log_level, int *errors, const char *fmt, + va_list vl); +static void report_config_error(const char *filename, int line_num, + int log_level, int *errors, const char *fmt, + ...); + +#define ERROR(...) report_config_error(config->filename, config->line_num,\ + AV_LOG_ERROR, &config->errors, __VA_ARGS__) +#define WARNING(...) report_config_error(config->filename, config->line_num,\ + AV_LOG_WARNING, &config->warnings, __VA_ARGS__) + +/* FIXME: make ffserver work with IPv6 */ +/* resolve host with also IP address parsing */ +static int resolve_host(struct in_addr *sin_addr, const char *hostname) +{ + + if (!ff_inet_aton(hostname, sin_addr)) { +#if HAVE_GETADDRINFO + struct addrinfo *ai, *cur; + struct addrinfo hints = { 0 }; + hints.ai_family = AF_INET; + if (getaddrinfo(hostname, NULL, &hints, &ai)) + return -1; + /* getaddrinfo returns a linked list of addrinfo structs. + * Even if we set ai_family = AF_INET above, make sure + * that the returned one actually is of the correct type. */ + for (cur = ai; cur; cur = cur->ai_next) { + if (cur->ai_family == AF_INET) { + *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr; + freeaddrinfo(ai); + return 0; + } + } + freeaddrinfo(ai); + return -1; +#else + struct hostent *hp; + hp = gethostbyname(hostname); + if (!hp) + return -1; + memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr)); +#endif + } + return 0; +} + +void ffserver_get_arg(char *buf, int buf_size, const char **pp) +{ + const char *p; + char *q; + int quote = 0; + + p = *pp; + q = buf; + + while (av_isspace(*p)) p++; + + if (*p == '\"' || *p == '\'') + quote = *p++; + + while (*p != '\0') { + if (quote && *p == quote || !quote && av_isspace(*p)) + break; + if ((q - buf) < buf_size - 1) + *q++ = *p; + p++; + } + + *q = '\0'; + if (quote && *p == quote) + p++; + *pp = p; +} + +void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed, + FFServerIPAddressACL *ext_acl, + const char *p, const char *filename, int line_num) +{ + char arg[1024]; + FFServerIPAddressACL acl; + int errors = 0; + + ffserver_get_arg(arg, sizeof(arg), &p); + if (av_strcasecmp(arg, "allow") == 0) + acl.action = IP_ALLOW; + else if (av_strcasecmp(arg, "deny") == 0) + acl.action = IP_DENY; + else { + fprintf(stderr, "%s:%d: ACL action '%s' should be ALLOW or DENY.\n", + filename, line_num, arg); + errors++; + } + + ffserver_get_arg(arg, sizeof(arg), &p); + + if (resolve_host(&acl.first, arg)) { + fprintf(stderr, + "%s:%d: ACL refers to invalid host or IP address '%s'\n", + filename, line_num, arg); + errors++; + } else + acl.last = acl.first; + + ffserver_get_arg(arg, sizeof(arg), &p); + + if (arg[0]) { + if (resolve_host(&acl.last, arg)) { + fprintf(stderr, + "%s:%d: ACL refers to invalid host or IP address '%s'\n", + filename, line_num, arg); + errors++; + } + } + + if (!errors) { + FFServerIPAddressACL *nacl = av_mallocz(sizeof(*nacl)); + FFServerIPAddressACL **naclp = 0; + + acl.next = 0; + *nacl = acl; + + if (stream) + naclp = &stream->acl; + else if (feed) + naclp = &feed->acl; + else if (ext_acl) + naclp = &ext_acl; + else { + fprintf(stderr, "%s:%d: ACL found not in <Stream> or <Feed>\n", + filename, line_num); + errors++; + } + + if (naclp) { + while (*naclp) + naclp = &(*naclp)->next; + + *naclp = nacl; + } else + av_free(nacl); + } +} + +/* add a codec and set the default parameters */ +static void add_codec(FFServerStream *stream, AVCodecContext *av, + FFServerConfig *config) +{ + AVStream *st; + AVDictionary **opts, *recommended = NULL; + char *enc_config; + + if(stream->nb_streams >= FF_ARRAY_ELEMS(stream->streams)) + return; + + opts = av->codec_type == AVMEDIA_TYPE_AUDIO ? + &config->audio_opts : &config->video_opts; + av_dict_copy(&recommended, *opts, 0); + av_opt_set_dict2(av->priv_data, opts, AV_OPT_SEARCH_CHILDREN); + av_opt_set_dict2(av, opts, AV_OPT_SEARCH_CHILDREN); + + if (av_dict_count(*opts)) + av_log(NULL, AV_LOG_WARNING, + "Something is wrong, %d options are not set!\n", + av_dict_count(*opts)); + + if (!config->stream_use_defaults) { + switch(av->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (av->bit_rate == 0) + report_config_error(config->filename, config->line_num, + AV_LOG_ERROR, &config->errors, + "audio bit rate is not set\n"); + if (av->sample_rate == 0) + report_config_error(config->filename, config->line_num, + AV_LOG_ERROR, &config->errors, + "audio sample rate is not set\n"); + break; + case AVMEDIA_TYPE_VIDEO: + if (av->width == 0 || av->height == 0) + report_config_error(config->filename, config->line_num, + AV_LOG_ERROR, &config->errors, + "video size is not set\n"); + break; + default: + av_assert0(0); + } + goto done; + } + + /* stream_use_defaults = true */ + + /* compute default parameters */ + switch(av->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (!av_dict_get(recommended, "ab", NULL, 0)) { + av->bit_rate = 64000; + av_dict_set_int(&recommended, "ab", av->bit_rate, 0); + WARNING("Setting default value for audio bit rate = %d. " + "Use NoDefaults to disable it.\n", + av->bit_rate); + } + if (!av_dict_get(recommended, "ar", NULL, 0)) { + av->sample_rate = 22050; + av_dict_set_int(&recommended, "ar", av->sample_rate, 0); + WARNING("Setting default value for audio sample rate = %d. " + "Use NoDefaults to disable it.\n", + av->sample_rate); + } + if (!av_dict_get(recommended, "ac", NULL, 0)) { + av->channels = 1; + av_dict_set_int(&recommended, "ac", av->channels, 0); + WARNING("Setting default value for audio channel count = %d. " + "Use NoDefaults to disable it.\n", + av->channels); + } + break; + case AVMEDIA_TYPE_VIDEO: + if (!av_dict_get(recommended, "b", NULL, 0)) { + av->bit_rate = 64000; + av_dict_set_int(&recommended, "b", av->bit_rate, 0); + WARNING("Setting default value for video bit rate = %d. " + "Use NoDefaults to disable it.\n", + av->bit_rate); + } + if (!av_dict_get(recommended, "time_base", NULL, 0)){ + av->time_base.den = 5; + av->time_base.num = 1; + av_dict_set(&recommended, "time_base", "1/5", 0); + WARNING("Setting default value for video frame rate = %d. " + "Use NoDefaults to disable it.\n", + av->time_base.den); + } + if (!av_dict_get(recommended, "video_size", NULL, 0)) { + av->width = 160; + av->height = 128; + av_dict_set(&recommended, "video_size", "160x128", 0); + WARNING("Setting default value for video size = %dx%d. " + "Use NoDefaults to disable it.\n", + av->width, av->height); + } + /* Bitrate tolerance is less for streaming */ + if (!av_dict_get(recommended, "bt", NULL, 0)) { + av->bit_rate_tolerance = FFMAX(av->bit_rate / 4, + (int64_t)av->bit_rate*av->time_base.num/av->time_base.den); + av_dict_set_int(&recommended, "bt", av->bit_rate_tolerance, 0); + WARNING("Setting default value for video bit rate tolerance = %d. " + "Use NoDefaults to disable it.\n", + av->bit_rate_tolerance); + } + + if (!av_dict_get(recommended, "rc_eq", NULL, 0)) { + av->rc_eq = av_strdup("tex^qComp"); + av_dict_set(&recommended, "rc_eq", "tex^qComp", 0); + WARNING("Setting default value for video rate control equation = " + "%s. Use NoDefaults to disable it.\n", + av->rc_eq); + } + if (!av_dict_get(recommended, "maxrate", NULL, 0)) { + av->rc_max_rate = av->bit_rate * 2; + av_dict_set_int(&recommended, "maxrate", av->rc_max_rate, 0); + WARNING("Setting default value for video max rate = %d. " + "Use NoDefaults to disable it.\n", + av->rc_max_rate); + } + + if (av->rc_max_rate && !av_dict_get(recommended, "bufsize", NULL, 0)) { + av->rc_buffer_size = av->rc_max_rate; + av_dict_set_int(&recommended, "bufsize", av->rc_buffer_size, 0); + WARNING("Setting default value for video buffer size = %d. " + "Use NoDefaults to disable it.\n", + av->rc_buffer_size); + } + break; + default: + abort(); + } + +done: + st = av_mallocz(sizeof(AVStream)); + if (!st) + return; + av_dict_get_string(recommended, &enc_config, '=', ','); + av_dict_free(&recommended); + av_stream_set_recommended_encoder_configuration(st, enc_config); + st->codec = av; + stream->streams[stream->nb_streams++] = st; +} + +static int ffserver_set_codec(AVCodecContext *ctx, const char *codec_name, + FFServerConfig *config) +{ + int ret; + AVCodec *codec = avcodec_find_encoder_by_name(codec_name); + if (!codec || codec->type != ctx->codec_type) { + report_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, + "Invalid codec name: '%s'\n", codec_name); + return 0; + } + if (ctx->codec_id == AV_CODEC_ID_NONE && !ctx->priv_data) { + if ((ret = avcodec_get_context_defaults3(ctx, codec)) < 0) + return ret; + ctx->codec = codec; + } + if (ctx->codec_id != codec->id) + report_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, + "Inconsistent configuration: trying to set '%s' " + "codec option, but '%s' codec is used previously\n", + codec_name, avcodec_get_name(ctx->codec_id)); + return 0; +} + +static int ffserver_opt_preset(const char *arg, int type, FFServerConfig *config) +{ + FILE *f=NULL; + char filename[1000], tmp[1000], tmp2[1000], line[1000]; + int ret = 0; + AVCodecContext *avctx; + const AVCodec *codec; + + switch(type) { + case AV_OPT_FLAG_AUDIO_PARAM: + avctx = config->dummy_actx; + break; + case AV_OPT_FLAG_VIDEO_PARAM: + avctx = config->dummy_vctx; + break; + default: + av_assert0(0); + } + codec = avcodec_find_encoder(avctx->codec_id); + + if (!(f = get_preset_file(filename, sizeof(filename), arg, 0, + codec ? codec->name : NULL))) { + av_log(NULL, AV_LOG_ERROR, "File for preset '%s' not found\n", arg); + return AVERROR(EINVAL); + } + + while(!feof(f)){ + int e= fscanf(f, "%999[^\n]\n", line) - 1; + if(line[0] == '#' && !e) + continue; + e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2; + if(e){ + av_log(NULL, AV_LOG_ERROR, "%s: Invalid syntax: '%s'\n", filename, + line); + ret = AVERROR(EINVAL); + break; + } + if (!strcmp(tmp, "acodec") && avctx->codec_type == AVMEDIA_TYPE_AUDIO || + !strcmp(tmp, "vcodec") && avctx->codec_type == AVMEDIA_TYPE_VIDEO) + { + if (ffserver_set_codec(avctx, tmp2, config) < 0) + break; + } else if (!strcmp(tmp, "scodec")) { + av_log(NULL, AV_LOG_ERROR, "Subtitles preset found.\n"); + ret = AVERROR(EINVAL); + break; + } else if (ffserver_save_avoption(tmp, tmp2, type, config) < 0) + break; + } + + fclose(f); + + return ret; +} + +static AVOutputFormat *ffserver_guess_format(const char *short_name, + const char *filename, + const char *mime_type) +{ + AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type); + + if (fmt) { + AVOutputFormat *stream_fmt; + char stream_format_name[64]; + + snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", + fmt->name); + stream_fmt = av_guess_format(stream_format_name, NULL, NULL); + + if (stream_fmt) + fmt = stream_fmt; + } + + return fmt; +} + +static void vreport_config_error(const char *filename, int line_num, + int log_level, int *errors, const char *fmt, + va_list vl) +{ + av_log(NULL, log_level, "%s:%d: ", filename, line_num); + av_vlog(NULL, log_level, fmt, vl); + if (errors) + (*errors)++; +} + +static void report_config_error(const char *filename, int line_num, + int log_level, int *errors, + const char *fmt, ...) +{ + va_list vl; + va_start(vl, fmt); + vreport_config_error(filename, line_num, log_level, errors, fmt, vl); + va_end(vl); +} + +static int ffserver_set_int_param(int *dest, const char *value, int factor, + int min, int max, FFServerConfig *config, + const char *error_msg, ...) +{ + int tmp; + char *tailp; + if (!value || !value[0]) + goto error; + errno = 0; + tmp = strtol(value, &tailp, 0); + if (tmp < min || tmp > max) + goto error; + if (factor) { + if (FFABS(tmp) > INT_MAX / FFABS(factor)) + goto error; + tmp *= factor; + } + if (tailp[0] || errno) + goto error; + if (dest) + *dest = tmp; + return 0; + error: + if (config) { + va_list vl; + va_start(vl, error_msg); + vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, error_msg, vl); + va_end(vl); + } + return AVERROR(EINVAL); +} + +static int ffserver_set_float_param(float *dest, const char *value, + float factor, float min, float max, + FFServerConfig *config, + const char *error_msg, ...) +{ + double tmp; + char *tailp; + if (!value || !value[0]) + goto error; + errno = 0; + tmp = strtod(value, &tailp); + if (tmp < min || tmp > max) + goto error; + if (factor) + tmp *= factor; + if (tailp[0] || errno) + goto error; + if (dest) + *dest = tmp; + return 0; + error: + if (config) { + va_list vl; + va_start(vl, error_msg); + vreport_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, error_msg, vl); + va_end(vl); + } + return AVERROR(EINVAL); +} + +static int ffserver_save_avoption(const char *opt, const char *arg, int type, + FFServerConfig *config) +{ + static int hinted = 0; + int ret = 0; + AVDictionaryEntry *e; + const AVOption *o = NULL; + const char *option = NULL; + const char *codec_name = NULL; + char buff[1024]; + AVCodecContext *ctx; + AVDictionary **dict; + enum AVCodecID guessed_codec_id; + + switch (type) { + case AV_OPT_FLAG_VIDEO_PARAM: + ctx = config->dummy_vctx; + dict = &config->video_opts; + guessed_codec_id = config->guessed_video_codec_id != AV_CODEC_ID_NONE ? + config->guessed_video_codec_id : AV_CODEC_ID_H264; + break; + case AV_OPT_FLAG_AUDIO_PARAM: + ctx = config->dummy_actx; + dict = &config->audio_opts; + guessed_codec_id = config->guessed_audio_codec_id != AV_CODEC_ID_NONE ? + config->guessed_audio_codec_id : AV_CODEC_ID_AAC; + break; + default: + av_assert0(0); + } + + if (strchr(opt, ':')) { + //explicit private option + snprintf(buff, sizeof(buff), "%s", opt); + codec_name = buff; + if(!(option = strchr(buff, ':'))){ + report_config_error(config->filename, config->line_num, + AV_LOG_ERROR, &config->errors, + "Syntax error. Unmatched ':'\n"); + return -1; + + } + buff[option - buff] = '\0'; + option++; + if ((ret = ffserver_set_codec(ctx, codec_name, config)) < 0) + return ret; + if (!ctx->codec || !ctx->priv_data) + return -1; + } else { + option = opt; + } + + o = av_opt_find(ctx, option, NULL, type | AV_OPT_FLAG_ENCODING_PARAM, + AV_OPT_SEARCH_CHILDREN); + if (!o && + (!strcmp(option, "time_base") || !strcmp(option, "pixel_format") || + !strcmp(option, "video_size") || !strcmp(option, "codec_tag"))) + o = av_opt_find(ctx, option, NULL, 0, 0); + if (!o) { + report_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, "Option not found: '%s'\n", opt); + if (!hinted && ctx->codec_id == AV_CODEC_ID_NONE) { + hinted = 1; + report_config_error(config->filename, config->line_num, + AV_LOG_ERROR, NULL, "If '%s' is a codec private" + "option, then prefix it with codec name, for " + "example '%s:%s %s' or define codec earlier.\n", + opt, avcodec_get_name(guessed_codec_id) ,opt, + arg); + } + } else if ((ret = av_opt_set(ctx, option, arg, AV_OPT_SEARCH_CHILDREN)) < 0) { + report_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, "Invalid value for option %s (%s): %s\n", opt, + arg, av_err2str(ret)); + } else if ((e = av_dict_get(*dict, option, NULL, 0))) { + if ((o->type == AV_OPT_TYPE_FLAGS) && arg && + (arg[0] == '+' || arg[0] == '-')) + return av_dict_set(dict, option, arg, AV_DICT_APPEND); + report_config_error(config->filename, config->line_num, AV_LOG_ERROR, + &config->errors, "Redeclaring value of option '%s'." + "Previous value was: '%s'.\n", opt, e->value); + } else if (av_dict_set(dict, option, arg, 0) < 0) { + return AVERROR(ENOMEM); + } + return 0; +} + +static int ffserver_save_avoption_int(const char *opt, int64_t arg, + int type, FFServerConfig *config) +{ + char buf[22]; + snprintf(buf, sizeof(buf), "%"PRId64, arg); + return ffserver_save_avoption(opt, buf, type, config); +} + +static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd, + const char **p) +{ + int val; + char arg[1024]; + if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) { + if (!av_strcasecmp(cmd, "Port")) + WARNING("Port option is deprecated. Use HTTPPort instead.\n"); + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, 1, 65535, config, + "Invalid port: %s\n", arg); + if (val < 1024) + WARNING("Trying to use IETF assigned system port: '%d'\n", val); + config->http_addr.sin_port = htons(val); + } else if (!av_strcasecmp(cmd, "HTTPBindAddress") || + !av_strcasecmp(cmd, "BindAddress")) { + if (!av_strcasecmp(cmd, "BindAddress")) + WARNING("BindAddress option is deprecated. Use HTTPBindAddress " + "instead.\n"); + ffserver_get_arg(arg, sizeof(arg), p); + if (resolve_host(&config->http_addr.sin_addr, arg)) + ERROR("Invalid host/IP address: '%s'\n", arg); + } else if (!av_strcasecmp(cmd, "NoDaemon")) { + WARNING("NoDaemon option has no effect. You should remove it.\n"); + } else if (!av_strcasecmp(cmd, "RTSPPort")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, 1, 65535, config, + "Invalid port: %s\n", arg); + config->rtsp_addr.sin_port = htons(val); + } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (resolve_host(&config->rtsp_addr.sin_addr, arg)) + ERROR("Invalid host/IP address: %s\n", arg); + } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, 1, 65535, config, + "Invalid MaxHTTPConnections: %s\n", arg); + config->nb_max_http_connections = val; + if (config->nb_max_connections > config->nb_max_http_connections) { + ERROR("Inconsistent configuration: MaxClients(%d) > " + "MaxHTTPConnections(%d)\n", config->nb_max_connections, + config->nb_max_http_connections); + } + } else if (!av_strcasecmp(cmd, "MaxClients")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, 1, 65535, config, + "Invalid MaxClients: '%s'\n", arg); + config->nb_max_connections = val; + if (config->nb_max_connections > config->nb_max_http_connections) { + ERROR("Inconsistent configuration: MaxClients(%d) > " + "MaxHTTPConnections(%d)\n", config->nb_max_connections, + config->nb_max_http_connections); + } + } else if (!av_strcasecmp(cmd, "MaxBandwidth")) { + int64_t llval; + char *tailp; + ffserver_get_arg(arg, sizeof(arg), p); + errno = 0; + llval = strtoll(arg, &tailp, 10); + if (llval < 10 || llval > 10000000 || tailp[0] || errno) + ERROR("Invalid MaxBandwidth: '%s'\n", arg); + else + config->max_bandwidth = llval; + } else if (!av_strcasecmp(cmd, "CustomLog")) { + if (!config->debug) { + ffserver_get_arg(config->logfilename, sizeof(config->logfilename), + p); + } + } else if (!av_strcasecmp(cmd, "LoadModule")) { + ERROR("Loadable modules are no longer supported\n"); + } else if (!av_strcasecmp(cmd, "NoDefaults")) { + config->use_defaults = 0; + } else if (!av_strcasecmp(cmd, "UseDefaults")) { + config->use_defaults = 1; + } else + ERROR("Incorrect keyword: '%s'\n", cmd); + return 0; +} + +static int ffserver_parse_config_feed(FFServerConfig *config, const char *cmd, const char **p, + FFServerStream **pfeed) +{ + FFServerStream *feed; + char arg[1024]; + av_assert0(pfeed); + feed = *pfeed; + if (!av_strcasecmp(cmd, "<Feed")) { + char *q; + FFServerStream *s; + feed = av_mallocz(sizeof(FFServerStream)); + if (!feed) + return AVERROR(ENOMEM); + ffserver_get_arg(feed->filename, sizeof(feed->filename), p); + q = strrchr(feed->filename, '>'); + if (*q) + *q = '\0'; + + for (s = config->first_feed; s; s = s->next) { + if (!strcmp(feed->filename, s->filename)) + ERROR("Feed '%s' already registered\n", s->filename); + } + + feed->fmt = av_guess_format("ffm", NULL, NULL); + /* default feed file */ + snprintf(feed->feed_filename, sizeof(feed->feed_filename), + "/tmp/%s.ffm", feed->filename); + feed->feed_max_size = 5 * 1024 * 1024; + feed->is_feed = 1; + feed->feed = feed; /* self feeding :-) */ + *pfeed = feed; + return 0; + } + av_assert0(feed); + if (!av_strcasecmp(cmd, "Launch")) { + int i; + + feed->child_argv = av_mallocz_array(MAX_CHILD_ARGS, sizeof(char *)); + if (!feed->child_argv) + return AVERROR(ENOMEM); + for (i = 0; i < MAX_CHILD_ARGS - 2; i++) { + ffserver_get_arg(arg, sizeof(arg), p); + if (!arg[0]) + break; + + feed->child_argv[i] = av_strdup(arg); + if (!feed->child_argv[i]) + return AVERROR(ENOMEM); + } + + feed->child_argv[i] = + av_asprintf("http://%s:%d/%s", + (config->http_addr.sin_addr.s_addr == INADDR_ANY) ? + "127.0.0.1" : inet_ntoa(config->http_addr.sin_addr), + ntohs(config->http_addr.sin_port), feed->filename); + if (!feed->child_argv[i]) + return AVERROR(ENOMEM); + } else if (!av_strcasecmp(cmd, "ACL")) { + ffserver_parse_acl_row(NULL, feed, NULL, *p, config->filename, + config->line_num); + } else if (!av_strcasecmp(cmd, "File") || + !av_strcasecmp(cmd, "ReadOnlyFile")) { + ffserver_get_arg(feed->feed_filename, sizeof(feed->feed_filename), p); + feed->readonly = !av_strcasecmp(cmd, "ReadOnlyFile"); + } else if (!av_strcasecmp(cmd, "Truncate")) { + ffserver_get_arg(arg, sizeof(arg), p); + /* assume Truncate is true in case no argument is specified */ + if (!arg[0]) { + feed->truncate = 1; + } else { + WARNING("Truncate N syntax in configuration file is deprecated. " + "Use Truncate alone with no arguments.\n"); + feed->truncate = strtod(arg, NULL); + } + } else if (!av_strcasecmp(cmd, "FileMaxSize")) { + char *p1; + double fsize; + + ffserver_get_arg(arg, sizeof(arg), p); + p1 = arg; + fsize = strtod(p1, &p1); + switch(av_toupper(*p1)) { + case 'K': + fsize *= 1024; + break; + case 'M': + fsize *= 1024 * 1024; + break; + case 'G': + fsize *= 1024 * 1024 * 1024; + break; + default: + ERROR("Invalid file size: '%s'\n", arg); + break; + } + feed->feed_max_size = (int64_t)fsize; + if (feed->feed_max_size < FFM_PACKET_SIZE*4) { + ERROR("Feed max file size is too small. Must be at least %d.\n", + FFM_PACKET_SIZE*4); + } + } else if (!av_strcasecmp(cmd, "</Feed>")) { + *pfeed = NULL; + } else { + ERROR("Invalid entry '%s' inside <Feed></Feed>\n", cmd); + } + return 0; +} + +static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd, const char **p, + FFServerStream **pstream) +{ + char arg[1024], arg2[1024]; + FFServerStream *stream; + int val; + + av_assert0(pstream); + stream = *pstream; + + if (!av_strcasecmp(cmd, "<Stream")) { + char *q; + FFServerStream *s; + stream = av_mallocz(sizeof(FFServerStream)); + if (!stream) + return AVERROR(ENOMEM); + config->dummy_actx = avcodec_alloc_context3(NULL); + config->dummy_vctx = avcodec_alloc_context3(NULL); + if (!config->dummy_vctx || !config->dummy_actx) { + av_free(stream); + avcodec_free_context(&config->dummy_vctx); + avcodec_free_context(&config->dummy_actx); + return AVERROR(ENOMEM); + } + config->dummy_actx->codec_type = AVMEDIA_TYPE_AUDIO; + config->dummy_vctx->codec_type = AVMEDIA_TYPE_VIDEO; + ffserver_get_arg(stream->filename, sizeof(stream->filename), p); + q = strrchr(stream->filename, '>'); + if (q) + *q = '\0'; + + for (s = config->first_stream; s; s = s->next) { + if (!strcmp(stream->filename, s->filename)) + ERROR("Stream '%s' already registered\n", s->filename); + } + + stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL); + if (stream->fmt) { + config->guessed_audio_codec_id = stream->fmt->audio_codec; + config->guessed_video_codec_id = stream->fmt->video_codec; + } else { + config->guessed_audio_codec_id = AV_CODEC_ID_NONE; + config->guessed_video_codec_id = AV_CODEC_ID_NONE; + } + config->stream_use_defaults = config->use_defaults; + *pstream = stream; + return 0; + } + av_assert0(stream); + if (!av_strcasecmp(cmd, "Feed")) { + FFServerStream *sfeed; + ffserver_get_arg(arg, sizeof(arg), p); + sfeed = config->first_feed; + while (sfeed) { + if (!strcmp(sfeed->filename, arg)) + break; + sfeed = sfeed->next_feed; + } + if (!sfeed) + ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg, + stream->filename); + else + stream->feed = sfeed; + } else if (!av_strcasecmp(cmd, "Format")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (!strcmp(arg, "status")) { + stream->stream_type = STREAM_TYPE_STATUS; + stream->fmt = NULL; + } else { + stream->stream_type = STREAM_TYPE_LIVE; + /* JPEG cannot be used here, so use single frame MJPEG */ + if (!strcmp(arg, "jpeg")) + strcpy(arg, "mjpeg"); + stream->fmt = ffserver_guess_format(arg, NULL, NULL); + if (!stream->fmt) + ERROR("Unknown Format: '%s'\n", arg); + } + if (stream->fmt) { + config->guessed_audio_codec_id = stream->fmt->audio_codec; + config->guessed_video_codec_id = stream->fmt->video_codec; + } + } else if (!av_strcasecmp(cmd, "InputFormat")) { + ffserver_get_arg(arg, sizeof(arg), p); + stream->ifmt = av_find_input_format(arg); + if (!stream->ifmt) + ERROR("Unknown input format: '%s'\n", arg); + } else if (!av_strcasecmp(cmd, "FaviconURL")) { + if (stream->stream_type == STREAM_TYPE_STATUS) + ffserver_get_arg(stream->feed_filename, + sizeof(stream->feed_filename), p); + else + ERROR("FaviconURL only permitted for status streams\n"); + } else if (!av_strcasecmp(cmd, "Author") || + !av_strcasecmp(cmd, "Comment") || + !av_strcasecmp(cmd, "Copyright") || + !av_strcasecmp(cmd, "Title")) { + char key[32]; + int i; + ffserver_get_arg(arg, sizeof(arg), p); + for (i = 0; i < strlen(cmd); i++) + key[i] = av_tolower(cmd[i]); + key[i] = 0; + WARNING("Deprecated '%s' option in configuration file. Use " + "'Metadata %s VALUE' instead.\n", cmd, key); + if (av_dict_set(&stream->metadata, key, arg, 0) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "Metadata")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_get_arg(arg2, sizeof(arg2), p); + if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "Preroll")) { + ffserver_get_arg(arg, sizeof(arg), p); + stream->prebuffer = atof(arg) * 1000; + } else if (!av_strcasecmp(cmd, "StartSendOnKey")) { + stream->send_on_key = 1; + } else if (!av_strcasecmp(cmd, "AudioCodec")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_codec(config->dummy_actx, arg, config); + } else if (!av_strcasecmp(cmd, "VideoCodec")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_codec(config->dummy_vctx, arg, config); + } else if (!av_strcasecmp(cmd, "MaxTime")) { + ffserver_get_arg(arg, sizeof(arg), p); + stream->max_time = atof(arg) * 1000; + } else if (!av_strcasecmp(cmd, "AudioBitRate")) { + float f; + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_float_param(&f, arg, 1000, -FLT_MAX, FLT_MAX, config, + "Invalid %s: '%s'\n", cmd, arg); + if (ffserver_save_avoption_int("ab", (int64_t)lrintf(f), + AV_OPT_FLAG_AUDIO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "AudioChannels")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("ac", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "AudioSampleRate")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("ar", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) { + int minrate, maxrate; + char *dash; + ffserver_get_arg(arg, sizeof(arg), p); + dash = strchr(arg, '-'); + if (dash) { + *dash = '\0'; + dash++; + if (ffserver_set_int_param(&minrate, arg, 1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0 && + ffserver_set_int_param(&maxrate, dash, 1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0) { + if (ffserver_save_avoption_int("minrate", minrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || + ffserver_save_avoption_int("maxrate", maxrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } + } else + ERROR("Incorrect format for VideoBitRateRange. It should be " + "<min>-<max>: '%s'.\n", arg); + } else if (!av_strcasecmp(cmd, "Debug")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("debug", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 || + ffserver_save_avoption("debug", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "Strict")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("strict", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 || + ffserver_save_avoption("strict", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoBufferSize")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 8*1024, 0, INT_MAX, config, + "Invalid %s: '%s'", cmd, arg); + if (ffserver_save_avoption_int("bufsize", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config, + "Invalid %s: '%s'", cmd, arg); + if (ffserver_save_avoption_int("bt", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoBitRate")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config, + "Invalid %s: '%s'", cmd, arg); + if (ffserver_save_avoption_int("b", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoSize")) { + int ret, w, h; + ffserver_get_arg(arg, sizeof(arg), p); + ret = av_parse_video_size(&w, &h, arg); + if (ret < 0) + ERROR("Invalid video size '%s'\n", arg); + else { + if (w % 2 || h % 2) + WARNING("Image size is not a multiple of 2\n"); + if (ffserver_save_avoption("video_size", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } + } else if (!av_strcasecmp(cmd, "VideoFrameRate")) { + ffserver_get_arg(&arg[2], sizeof(arg) - 2, p); + arg[0] = '1'; arg[1] = '/'; + if (ffserver_save_avoption("time_base", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "PixelFormat")) { + enum AVPixelFormat pix_fmt; + ffserver_get_arg(arg, sizeof(arg), p); + pix_fmt = av_get_pix_fmt(arg); + if (pix_fmt == AV_PIX_FMT_NONE) + ERROR("Unknown pixel format: '%s'\n", arg); + else if (ffserver_save_avoption("pixel_format", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoGopSize")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("g", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) { + if (ffserver_save_avoption("g", "1", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoHighQuality")) { + if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "Video4MotionVector")) { + if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || //FIXME remove + ffserver_save_avoption("flags", "+mv4", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "AVOptionVideo") || + !av_strcasecmp(cmd, "AVOptionAudio")) { + int ret; + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_get_arg(arg2, sizeof(arg2), p); + if (!av_strcasecmp(cmd, "AVOptionVideo")) + ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_VIDEO_PARAM, + config); + else + ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_AUDIO_PARAM, + config); + if (ret < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "AVPresetVideo") || + !av_strcasecmp(cmd, "AVPresetAudio")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (!av_strcasecmp(cmd, "AVPresetVideo")) + ffserver_opt_preset(arg, AV_OPT_FLAG_VIDEO_PARAM, config); + else + ffserver_opt_preset(arg, AV_OPT_FLAG_AUDIO_PARAM, config); + } else if (!av_strcasecmp(cmd, "VideoTag")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (strlen(arg) == 4 && + ffserver_save_avoption_int("codec_tag", + MKTAG(arg[0], arg[1], arg[2], arg[3]), + AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "BitExact")) { + if (ffserver_save_avoption("flags", "+bitexact", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "DctFastint")) { + if (ffserver_save_avoption("dct", "fastint", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "IdctSimple")) { + if (ffserver_save_avoption("idct", "simple", AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "Qscale")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config, + "Invalid Qscale: '%s'\n", arg); + if (ffserver_save_avoption("flags", "+qscale", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || + ffserver_save_avoption_int("global_quality", FF_QP2LAMBDA * val, + AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoQDiff")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("qdiff", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoQMax")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("qmax", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "VideoQMin")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("qmin", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "LumiMask")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("lumi_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "DarkMask")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (ffserver_save_avoption("dark_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0) + goto nomem; + } else if (!av_strcasecmp(cmd, "NoVideo")) { + config->no_video = 1; + } else if (!av_strcasecmp(cmd, "NoAudio")) { + config->no_audio = 1; + } else if (!av_strcasecmp(cmd, "ACL")) { + ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename, + config->line_num); + } else if (!av_strcasecmp(cmd, "DynamicACL")) { + ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p); + } else if (!av_strcasecmp(cmd, "RTSPOption")) { + ffserver_get_arg(arg, sizeof(arg), p); + av_freep(&stream->rtsp_option); + stream->rtsp_option = av_strdup(arg); + } else if (!av_strcasecmp(cmd, "MulticastAddress")) { + ffserver_get_arg(arg, sizeof(arg), p); + if (resolve_host(&stream->multicast_ip, arg)) + ERROR("Invalid host/IP address: '%s'\n", arg); + stream->is_multicast = 1; + stream->loop = 1; /* default is looping */ + } else if (!av_strcasecmp(cmd, "MulticastPort")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, 1, 65535, config, + "Invalid MulticastPort: '%s'\n", arg); + stream->multicast_port = val; + } else if (!av_strcasecmp(cmd, "MulticastTTL")) { + ffserver_get_arg(arg, sizeof(arg), p); + ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config, + "Invalid MulticastTTL: '%s'\n", arg); + stream->multicast_ttl = val; + } else if (!av_strcasecmp(cmd, "NoLoop")) { + stream->loop = 0; + } else if (!av_strcasecmp(cmd, "</Stream>")) { + config->stream_use_defaults &= 1; + if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) { + if (config->dummy_actx->codec_id == AV_CODEC_ID_NONE) + config->dummy_actx->codec_id = config->guessed_audio_codec_id; + if (!config->no_audio && + config->dummy_actx->codec_id != AV_CODEC_ID_NONE) { + AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id)); + add_codec(stream, audio_enc, config); + } + if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE) + config->dummy_vctx->codec_id = config->guessed_video_codec_id; + if (!config->no_video && + config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) { + AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id)); + add_codec(stream, video_enc, config); + } + } + av_dict_free(&config->video_opts); + av_dict_free(&config->audio_opts); + avcodec_free_context(&config->dummy_vctx); + avcodec_free_context(&config->dummy_actx); + *pstream = NULL; + } else if (!av_strcasecmp(cmd, "File") || + !av_strcasecmp(cmd, "ReadOnlyFile")) { + ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename), + p); + } else if (!av_strcasecmp(cmd, "UseDefaults")) { + if (config->stream_use_defaults > 1) + WARNING("Multiple UseDefaults/NoDefaults entries.\n"); + config->stream_use_defaults = 3; + } else if (!av_strcasecmp(cmd, "NoDefaults")) { + if (config->stream_use_defaults > 1) + WARNING("Multiple UseDefaults/NoDefaults entries.\n"); + config->stream_use_defaults = 2; + } else { + ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd); + } + return 0; + nomem: + av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n"); + av_dict_free(&config->video_opts); + av_dict_free(&config->audio_opts); + avcodec_free_context(&config->dummy_vctx); + avcodec_free_context(&config->dummy_actx); + return AVERROR(ENOMEM); +} + +static int ffserver_parse_config_redirect(FFServerConfig *config, + const char *cmd, const char **p, + FFServerStream **predirect) +{ + FFServerStream *redirect; + av_assert0(predirect); + redirect = *predirect; + + if (!av_strcasecmp(cmd, "<Redirect")) { + char *q; + redirect = av_mallocz(sizeof(FFServerStream)); + if (!redirect) + return AVERROR(ENOMEM); + + ffserver_get_arg(redirect->filename, sizeof(redirect->filename), p); + q = strrchr(redirect->filename, '>'); + if (*q) + *q = '\0'; + redirect->stream_type = STREAM_TYPE_REDIRECT; + *predirect = redirect; + return 0; + } + av_assert0(redirect); + if (!av_strcasecmp(cmd, "URL")) { + ffserver_get_arg(redirect->feed_filename, + sizeof(redirect->feed_filename), p); + } else if (!av_strcasecmp(cmd, "</Redirect>")) { + if (!redirect->feed_filename[0]) + ERROR("No URL found for <Redirect>\n"); + *predirect = NULL; + } else { + ERROR("Invalid entry '%s' inside <Redirect></Redirect>\n", cmd); + } + return 0; +} + +int ffserver_parse_ffconfig(const char *filename, FFServerConfig *config) +{ + FILE *f; + char line[1024]; + char cmd[64]; + const char *p; + FFServerStream **last_stream, *stream = NULL, *redirect = NULL; + FFServerStream **last_feed, *feed = NULL; + int ret = 0; + + av_assert0(config); + + f = fopen(filename, "r"); + if (!f) { + ret = AVERROR(errno); + av_log(NULL, AV_LOG_ERROR, + "Could not open the configuration file '%s'\n", filename); + return ret; + } + + config->first_stream = NULL; + config->first_feed = NULL; + config->errors = config->warnings = 0; + + last_stream = &config->first_stream; + last_feed = &config->first_feed; + + config->line_num = 0; + while (fgets(line, sizeof(line), f) != NULL) { + config->line_num++; + p = line; + while (av_isspace(*p)) + p++; + if (*p == '\0' || *p == '#') + continue; + + ffserver_get_arg(cmd, sizeof(cmd), &p); + + if (feed || !av_strcasecmp(cmd, "<Feed")) { + int opening = !av_strcasecmp(cmd, "<Feed"); + if (opening && (stream || feed || redirect)) { + ERROR("Already in a tag\n"); + } else { + ret = ffserver_parse_config_feed(config, cmd, &p, &feed); + if (ret < 0) + break; + if (opening) { + /* add in stream & feed list */ + *last_stream = feed; + *last_feed = feed; + last_stream = &feed->next; + last_feed = &feed->next_feed; + } + } + } else if (stream || !av_strcasecmp(cmd, "<Stream")) { + int opening = !av_strcasecmp(cmd, "<Stream"); + if (opening && (stream || feed || redirect)) { + ERROR("Already in a tag\n"); + } else { + ret = ffserver_parse_config_stream(config, cmd, &p, &stream); + if (ret < 0) + break; + if (opening) { + /* add in stream list */ + *last_stream = stream; + last_stream = &stream->next; + } + } + } else if (redirect || !av_strcasecmp(cmd, "<Redirect")) { + int opening = !av_strcasecmp(cmd, "<Redirect"); + if (opening && (stream || feed || redirect)) + ERROR("Already in a tag\n"); + else { + ret = ffserver_parse_config_redirect(config, cmd, &p, + &redirect); + if (ret < 0) + break; + if (opening) { + /* add in stream list */ + *last_stream = redirect; + last_stream = &redirect->next; + } + } + } else { + ffserver_parse_config_global(config, cmd, &p); + } + } + if (stream || feed || redirect) + ERROR("Missing closing </%s> tag\n", + stream ? "Stream" : (feed ? "Feed" : "Redirect")); + + fclose(f); + if (ret < 0) + return ret; + if (config->errors) + return AVERROR(EINVAL); + else + return 0; +} + +#undef ERROR +#undef WARNING + +void ffserver_free_child_args(void *argsp) +{ + int i; + char **args; + if (!argsp) + return; + args = *(char ***)argsp; + if (!args) + return; + for (i = 0; i < MAX_CHILD_ARGS; i++) + av_free(args[i]); + av_freep(argsp); +} |