| /* |
| * 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; |
| FFServerIPAddressACL *nacl; |
| FFServerIPAddressACL **naclp; |
| |
| 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); |
| goto bail; |
| } |
| |
| 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); |
| goto bail; |
| } |
| |
| 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); |
| goto bail; |
| } |
| } |
| |
| nacl = av_mallocz(sizeof(*nacl)); |
| 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); |
| |
| if (naclp) { |
| while (*naclp) |
| naclp = &(*naclp)->next; |
| |
| *naclp = nacl; |
| } else |
| av_free(nacl); |
| |
| bail: |
| return; |
| |
| } |
| |
| /* 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, "b", NULL, 0)) { |
| av->bit_rate = 64000; |
| av_dict_set_int(&recommended, "b", 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 (tmp == INT_MIN || 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, "singlejpeg"); |
| stream->single_frame=1; |
| } |
| 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("b", (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); |
| } |
