mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-09-10 09:31:06 +02:00
1131 lines
43 KiB
C
1131 lines
43 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <float.h>
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#include "libavutil/opt.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/avstring.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/avassert.h"
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// FIXME those are internal headers, ffserver _really_ shouldn't use them
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#include "libavformat/ffm.h"
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#include "cmdutils.h"
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#include "ffserver_config.h"
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/* FIXME: make ffserver work with IPv6 */
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/* resolve host with also IP address parsing */
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static int resolve_host(struct in_addr *sin_addr, const char *hostname)
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{
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if (!ff_inet_aton(hostname, sin_addr)) {
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#if HAVE_GETADDRINFO
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struct addrinfo *ai, *cur;
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struct addrinfo hints = { 0 };
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hints.ai_family = AF_INET;
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if (getaddrinfo(hostname, NULL, &hints, &ai))
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return -1;
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/* getaddrinfo returns a linked list of addrinfo structs.
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* Even if we set ai_family = AF_INET above, make sure
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* that the returned one actually is of the correct type. */
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for (cur = ai; cur; cur = cur->ai_next) {
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if (cur->ai_family == AF_INET) {
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*sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
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freeaddrinfo(ai);
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return 0;
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}
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}
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freeaddrinfo(ai);
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return -1;
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#else
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struct hostent *hp;
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hp = gethostbyname(hostname);
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if (!hp)
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return -1;
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memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
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#endif
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}
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return 0;
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}
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void ffserver_get_arg(char *buf, int buf_size, const char **pp)
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{
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const char *p;
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char *q;
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int quote;
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p = *pp;
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while (av_isspace(*p)) p++;
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q = buf;
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quote = 0;
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if (*p == '\"' || *p == '\'')
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quote = *p++;
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for(;;) {
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if (quote) {
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if (*p == quote)
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break;
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} else {
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if (av_isspace(*p))
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break;
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}
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if (*p == '\0')
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break;
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if ((q - buf) < buf_size - 1)
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*q++ = *p;
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p++;
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}
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*q = '\0';
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if (quote && *p == quote)
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p++;
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*pp = p;
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}
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void ffserver_parse_acl_row(FFServerStream *stream, FFServerStream* feed,
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FFServerIPAddressACL *ext_acl,
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const char *p, const char *filename, int line_num)
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{
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char arg[1024];
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FFServerIPAddressACL acl;
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int errors = 0;
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ffserver_get_arg(arg, sizeof(arg), &p);
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if (av_strcasecmp(arg, "allow") == 0)
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acl.action = IP_ALLOW;
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else if (av_strcasecmp(arg, "deny") == 0)
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acl.action = IP_DENY;
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else {
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fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
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filename, line_num, arg);
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errors++;
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}
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ffserver_get_arg(arg, sizeof(arg), &p);
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if (resolve_host(&acl.first, arg) != 0) {
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fprintf(stderr, "%s:%d: ACL refers to invalid host or IP address '%s'\n",
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filename, line_num, arg);
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errors++;
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} else
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acl.last = acl.first;
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ffserver_get_arg(arg, sizeof(arg), &p);
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if (arg[0]) {
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if (resolve_host(&acl.last, arg) != 0) {
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fprintf(stderr, "%s:%d: ACL refers to invalid host or IP address '%s'\n",
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filename, line_num, arg);
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errors++;
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}
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}
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if (!errors) {
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FFServerIPAddressACL *nacl = av_mallocz(sizeof(*nacl));
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FFServerIPAddressACL **naclp = 0;
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acl.next = 0;
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*nacl = acl;
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if (stream)
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naclp = &stream->acl;
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else if (feed)
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naclp = &feed->acl;
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else if (ext_acl)
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naclp = &ext_acl;
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else {
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fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
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filename, line_num);
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errors++;
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}
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if (naclp) {
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while (*naclp)
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naclp = &(*naclp)->next;
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*naclp = nacl;
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} else
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av_free(nacl);
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}
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}
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/* add a codec and set the default parameters */
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static void add_codec(FFServerStream *stream, AVCodecContext *av)
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{
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AVStream *st;
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if(stream->nb_streams >= FF_ARRAY_ELEMS(stream->streams))
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return;
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/* compute default parameters */
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switch(av->codec_type) {
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case AVMEDIA_TYPE_AUDIO:
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if (av->bit_rate == 0)
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av->bit_rate = 64000;
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if (av->sample_rate == 0)
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av->sample_rate = 22050;
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if (av->channels == 0)
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av->channels = 1;
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break;
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case AVMEDIA_TYPE_VIDEO:
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if (av->bit_rate == 0)
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av->bit_rate = 64000;
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if (av->time_base.num == 0){
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av->time_base.den = 5;
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av->time_base.num = 1;
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}
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if (av->width == 0 || av->height == 0) {
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av->width = 160;
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av->height = 128;
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}
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/* Bitrate tolerance is less for streaming */
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if (av->bit_rate_tolerance == 0)
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av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
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(int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
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if (av->qmin == 0)
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av->qmin = 3;
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if (av->qmax == 0)
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av->qmax = 31;
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if (av->max_qdiff == 0)
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av->max_qdiff = 3;
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av->qcompress = 0.5;
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av->qblur = 0.5;
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if (!av->nsse_weight)
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av->nsse_weight = 8;
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av->frame_skip_cmp = FF_CMP_DCTMAX;
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if (!av->me_method)
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av->me_method = ME_EPZS;
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av->rc_buffer_aggressivity = 1.0;
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if (!av->rc_eq)
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av->rc_eq = av_strdup("tex^qComp");
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if (!av->i_quant_factor)
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av->i_quant_factor = -0.8;
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if (!av->b_quant_factor)
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av->b_quant_factor = 1.25;
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if (!av->b_quant_offset)
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av->b_quant_offset = 1.25;
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if (!av->rc_max_rate)
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av->rc_max_rate = av->bit_rate * 2;
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if (av->rc_max_rate && !av->rc_buffer_size) {
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av->rc_buffer_size = av->rc_max_rate;
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}
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break;
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default:
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abort();
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}
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st = av_mallocz(sizeof(AVStream));
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if (!st)
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return;
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st->codec = av;
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stream->streams[stream->nb_streams++] = st;
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}
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static enum AVCodecID opt_codec(const char *name, enum AVMediaType type)
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{
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AVCodec *codec = avcodec_find_encoder_by_name(name);
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if (!codec || codec->type != type)
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return AV_CODEC_ID_NONE;
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return codec->id;
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}
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static int ffserver_opt_default(const char *opt, const char *arg,
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AVCodecContext *avctx, int type)
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{
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int ret = 0;
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const AVOption *o = av_opt_find(avctx, opt, NULL, type, 0);
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if(o)
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ret = av_opt_set(avctx, opt, arg, 0);
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return ret;
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}
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static int ffserver_opt_preset(const char *arg,
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AVCodecContext *avctx, int type,
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enum AVCodecID *audio_id, enum AVCodecID *video_id)
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{
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FILE *f=NULL;
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char filename[1000], tmp[1000], tmp2[1000], line[1000];
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int ret = 0;
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AVCodec *codec = NULL;
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if (avctx)
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codec = avcodec_find_encoder(avctx->codec_id);
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if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
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codec ? codec->name : NULL))) {
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fprintf(stderr, "File for preset '%s' not found\n", arg);
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return AVERROR(EINVAL);
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}
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while(!feof(f)){
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int e= fscanf(f, "%999[^\n]\n", line) - 1;
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if(line[0] == '#' && !e)
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continue;
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e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
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if(e){
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fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
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ret = AVERROR(EINVAL);
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break;
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}
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if (audio_id && !strcmp(tmp, "acodec")) {
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*audio_id = opt_codec(tmp2, AVMEDIA_TYPE_AUDIO);
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} else if (video_id && !strcmp(tmp, "vcodec")){
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*video_id = opt_codec(tmp2, AVMEDIA_TYPE_VIDEO);
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} else if(!strcmp(tmp, "scodec")) {
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/* opt_subtitle_codec(tmp2); */
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} else if (avctx && (ret = ffserver_opt_default(tmp, tmp2, avctx, type)) < 0) {
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fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
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break;
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}
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}
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fclose(f);
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return ret;
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}
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static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename, const char *mime_type)
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{
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AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
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if (fmt) {
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AVOutputFormat *stream_fmt;
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char stream_format_name[64];
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snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
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stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
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if (stream_fmt)
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fmt = stream_fmt;
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}
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return fmt;
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}
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static void vreport_config_error(const char *filename, int line_num, int log_level, int *errors, const char *fmt, va_list vl)
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{
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av_log(NULL, log_level, "%s:%d: ", filename, line_num);
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av_vlog(NULL, log_level, fmt, vl);
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(*errors)++;
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}
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static void report_config_error(const char *filename, int line_num, int log_level, int *errors, const char *fmt, ...)
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{
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va_list vl;
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va_start(vl, fmt);
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vreport_config_error(filename, line_num, log_level, errors, fmt, vl);
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va_end(vl);
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}
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static int ffserver_set_int_param(int *dest, const char *value, int factor, int min, int max,
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FFServerConfig *config, int line_num, const char *error_msg, ...)
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{
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int tmp;
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char *tailp;
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if (!value || !value[0])
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goto error;
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errno = 0;
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tmp = strtol(value, &tailp, 0);
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if (tmp < min || tmp > max)
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goto error;
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if (factor) {
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if (FFABS(tmp) > INT_MAX / FFABS(factor))
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goto error;
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tmp *= factor;
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}
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if (tailp[0] || errno)
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goto error;
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if (dest)
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*dest = tmp;
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return 0;
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error:
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if (config) {
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va_list vl;
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va_start(vl, error_msg);
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vreport_config_error(config->filename, line_num, AV_LOG_ERROR, &config->errors, error_msg, vl);
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va_end(vl);
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}
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return AVERROR(EINVAL);
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}
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static int ffserver_set_float_param(float *dest, const char *value, float factor, float min, float max,
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FFServerConfig *config, int line_num, const char *error_msg, ...)
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{
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double tmp;
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char *tailp;
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if (!value || !value[0])
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goto error;
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errno = 0;
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tmp = strtod(value, &tailp);
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if (tmp < min || tmp > max)
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goto error;
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if (factor)
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tmp *= factor;
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if (tailp[0] || errno)
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goto error;
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if (dest)
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*dest = tmp;
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return 0;
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error:
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if (config) {
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va_list vl;
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va_start(vl, error_msg);
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vreport_config_error(config->filename, line_num, AV_LOG_ERROR, &config->errors, error_msg, vl);
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va_end(vl);
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}
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return AVERROR(EINVAL);
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}
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#define ERROR(...) report_config_error(config->filename, line_num, AV_LOG_ERROR, &config->errors, __VA_ARGS__)
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#define WARNING(...) report_config_error(config->filename, line_num, AV_LOG_WARNING, &config->warnings, __VA_ARGS__)
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static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd,
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const char **p, int line_num)
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{
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int val;
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char arg[1024];
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if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) {
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if (!av_strcasecmp(cmd, "Port"))
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WARNING("Port option is deprecated, use HTTPPort instead\n");
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ffserver_get_arg(arg, sizeof(arg), p);
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val = atoi(arg);
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if (val < 1 || val > 65536)
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ERROR("Invalid port: %s\n", arg);
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if (val < 1024)
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WARNING("Trying to use IETF assigned system port: %d\n", val);
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config->http_addr.sin_port = htons(val);
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} else if (!av_strcasecmp(cmd, "HTTPBindAddress") || !av_strcasecmp(cmd, "BindAddress")) {
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if (!av_strcasecmp(cmd, "BindAddress"))
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WARNING("BindAddress option is deprecated, use HTTPBindAddress instead\n");
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ffserver_get_arg(arg, sizeof(arg), p);
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if (resolve_host(&config->http_addr.sin_addr, arg) != 0)
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ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
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} else if (!av_strcasecmp(cmd, "NoDaemon")) {
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WARNING("NoDaemon option has no effect, you should remove it\n");
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} else if (!av_strcasecmp(cmd, "RTSPPort")) {
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ffserver_get_arg(arg, sizeof(arg), p);
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val = atoi(arg);
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if (val < 1 || val > 65536)
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ERROR("%s:%d: Invalid port: %s\n", arg);
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config->rtsp_addr.sin_port = htons(atoi(arg));
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} else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
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ffserver_get_arg(arg, sizeof(arg), p);
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if (resolve_host(&config->rtsp_addr.sin_addr, arg) != 0)
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ERROR("Invalid host/IP address: %s\n", arg);
|
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} else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
|
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ffserver_get_arg(arg, sizeof(arg), p);
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val = atoi(arg);
|
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if (val < 1 || val > 65536)
|
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ERROR("Invalid MaxHTTPConnections: %s\n", arg);
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config->nb_max_http_connections = val;
|
|
} else if (!av_strcasecmp(cmd, "MaxClients")) {
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|
ffserver_get_arg(arg, sizeof(arg), p);
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val = atoi(arg);
|
|
if (val < 1 || val > config->nb_max_http_connections)
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ERROR("Invalid MaxClients: %s\n", arg);
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else
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config->nb_max_connections = val;
|
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} else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
|
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int64_t llval;
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ffserver_get_arg(arg, sizeof(arg), p);
|
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llval = strtoll(arg, NULL, 10);
|
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if (llval < 10 || llval > 10000000)
|
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ERROR("Invalid MaxBandwidth: %s\n", arg);
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else
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config->max_bandwidth = llval;
|
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} else if (!av_strcasecmp(cmd, "CustomLog")) {
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if (!config->debug)
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ffserver_get_arg(config->logfilename, sizeof(config->logfilename), p);
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} else if (!av_strcasecmp(cmd, "LoadModule")) {
|
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ERROR("Loadable modules no longer supported\n");
|
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} else
|
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ERROR("Incorrect keyword: '%s'\n", cmd);
|
|
return 0;
|
|
}
|
|
|
|
static int ffserver_parse_config_feed(FFServerConfig *config, const char *cmd, const char **p,
|
|
int line_num, FFServerStream **pfeed)
|
|
{
|
|
FFServerStream *feed;
|
|
char arg[1024];
|
|
av_assert0(pfeed);
|
|
feed = *pfeed;
|
|
if (!av_strcasecmp(cmd, "<Feed")) {
|
|
char *q;
|
|
FFServerStream *s;
|
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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(64 * sizeof(char *));
|
|
if (!feed->child_argv)
|
|
return AVERROR(ENOMEM);
|
|
for (i = 0; i < 62; 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, 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;
|
|
}
|
|
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_apply_stream_config(AVCodecContext *enc, const AVDictionary *conf, AVDictionary **opts)
|
|
{
|
|
AVDictionaryEntry *e;
|
|
int ret = 0;
|
|
|
|
/* Return values from ffserver_set_*_param are ignored.
|
|
Values are initially parsed and checked before inserting to AVDictionary. */
|
|
|
|
//video params
|
|
if ((e = av_dict_get(conf, "VideoBitRateRangeMin", NULL, 0)))
|
|
ffserver_set_int_param(&enc->rc_min_rate, e->value, 1000, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoBitRateRangeMax", NULL, 0)))
|
|
ffserver_set_int_param(&enc->rc_max_rate, e->value, 1000, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "Debug", NULL, 0)))
|
|
ffserver_set_int_param(&enc->debug, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "Strict", NULL, 0)))
|
|
ffserver_set_int_param(&enc->strict_std_compliance, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoBufferSize", NULL, 0)))
|
|
ffserver_set_int_param(&enc->rc_buffer_size, e->value, 8*1024, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoBitRateTolerance", NULL, 0)))
|
|
ffserver_set_int_param(&enc->bit_rate_tolerance, e->value, 1000, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoBitRate", NULL, 0)))
|
|
ffserver_set_int_param(&enc->bit_rate, e->value, 1000, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoSizeWidth", NULL, 0)))
|
|
ffserver_set_int_param(&enc->width, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoSizeHeight", NULL, 0)))
|
|
ffserver_set_int_param(&enc->height, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "PixelFormat", NULL, 0)))
|
|
ffserver_set_int_param(&enc->pix_fmt, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoGopSize", NULL, 0)))
|
|
ffserver_set_int_param(&enc->gop_size, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoFrameRateNum", NULL, 0)))
|
|
ffserver_set_int_param(&enc->time_base.num, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoFrameRateDen", NULL, 0)))
|
|
ffserver_set_int_param(&enc->time_base.den, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoQDiff", NULL, 0)))
|
|
ffserver_set_int_param(&enc->max_qdiff, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoQMax", NULL, 0)))
|
|
ffserver_set_int_param(&enc->qmax, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "VideoQMin", NULL, 0)))
|
|
ffserver_set_int_param(&enc->qmin, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "LumiMask", NULL, 0)))
|
|
ffserver_set_float_param(&enc->lumi_masking, e->value, 0, -FLT_MAX, FLT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "DarkMask", NULL, 0)))
|
|
ffserver_set_float_param(&enc->dark_masking, e->value, 0, -FLT_MAX, FLT_MAX, NULL, 0, NULL);
|
|
if (av_dict_get(conf, "BitExact", NULL, 0))
|
|
enc->flags |= CODEC_FLAG_BITEXACT;
|
|
if (av_dict_get(conf, "DctFastint", NULL, 0))
|
|
enc->dct_algo = FF_DCT_FASTINT;
|
|
if (av_dict_get(conf, "IdctSimple", NULL, 0))
|
|
enc->idct_algo = FF_IDCT_SIMPLE;
|
|
if (av_dict_get(conf, "VideoHighQuality", NULL, 0))
|
|
enc->mb_decision = FF_MB_DECISION_BITS;
|
|
if ((e = av_dict_get(conf, "VideoTag", NULL, 0)))
|
|
enc->codec_tag = MKTAG(e->value[0], e->value[1], e->value[2], e->value[3]);
|
|
if (av_dict_get(conf, "Qscale", NULL, 0)) {
|
|
enc->flags |= CODEC_FLAG_QSCALE;
|
|
ffserver_set_int_param(&enc->global_quality, e->value, FF_QP2LAMBDA, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
}
|
|
if (av_dict_get(conf, "Video4MotionVector", NULL, 0)) {
|
|
enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
|
|
enc->flags |= CODEC_FLAG_4MV;
|
|
}
|
|
//audio params
|
|
if ((e = av_dict_get(conf, "AudioChannels", NULL, 0)))
|
|
ffserver_set_int_param(&enc->channels, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "AudioSampleRate", NULL, 0)))
|
|
ffserver_set_int_param(&enc->sample_rate, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
if ((e = av_dict_get(conf, "AudioBitRate", NULL, 0)))
|
|
ffserver_set_int_param(&enc->bit_rate, e->value, 0, INT_MIN, INT_MAX, NULL, 0, NULL);
|
|
|
|
av_opt_set_dict2(enc, opts, AV_OPT_SEARCH_CHILDREN);
|
|
e = NULL;
|
|
while (e = av_dict_get(*opts, "", e, AV_DICT_IGNORE_SUFFIX)) {
|
|
av_log(NULL, AV_LOG_ERROR, "Provided AVOption '%s' doesn't match any existing option.\n", e->key);
|
|
ret = AVERROR(EINVAL);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd, const char **p,
|
|
int line_num, FFServerStream **pstream)
|
|
{
|
|
char arg[1024], arg2[1024];
|
|
FFServerStream *stream;
|
|
|
|
av_assert0(pstream);
|
|
stream = *pstream;
|
|
|
|
if (!av_strcasecmp(cmd, "<Stream")) {
|
|
char *q;
|
|
FFServerStream *s;
|
|
stream = av_mallocz(sizeof(FFServerStream));
|
|
if (!stream)
|
|
return AVERROR(ENOMEM);
|
|
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->audio_id = stream->fmt->audio_codec;
|
|
config->video_id = stream->fmt->video_codec;
|
|
} else {
|
|
config->audio_id = AV_CODEC_ID_NONE;
|
|
config->video_id = AV_CODEC_ID_NONE;
|
|
}
|
|
*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->audio_id = stream->fmt->audio_codec;
|
|
config->video_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("'%s' option in configuration file is deprecated, "
|
|
"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);
|
|
config->audio_id = opt_codec(arg, AVMEDIA_TYPE_AUDIO);
|
|
if (config->audio_id == AV_CODEC_ID_NONE)
|
|
ERROR("Unknown AudioCodec: %s\n", arg);
|
|
} else if (!av_strcasecmp(cmd, "VideoCodec")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
config->video_id = opt_codec(arg, AVMEDIA_TYPE_VIDEO);
|
|
if (config->video_id == AV_CODEC_ID_NONE)
|
|
ERROR("Unknown VideoCodec: %s\n", arg);
|
|
} 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, 0, FLT_MAX, config, line_num, "Invalid %s: %s\n", cmd, arg);
|
|
if (av_dict_set_int(&config->audio_conf, cmd, lrintf(f), 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "AudioChannels")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, 1, 8, config, line_num, "Invalid %s: %s, valid range is 1-8.", cmd, arg);
|
|
if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
|
|
int minrate, maxrate;
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
|
|
if (av_dict_set_int(&config->video_conf, "VideoBitRateRangeMin", minrate, 0) < 0 ||
|
|
av_dict_set_int(&config->video_conf, "VideoBitRateRangeMax", maxrate, 0) < 0)
|
|
goto nomem;
|
|
} else
|
|
ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
|
|
} else if (!av_strcasecmp(cmd, "Debug")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "Strict")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 8*1024, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 1000, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoBitRate")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 1000, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 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 % 16) || (h % 16))
|
|
ERROR("Image size must be a multiple of 16\n");
|
|
if (av_dict_set_int(&config->video_conf, "VideoSizeWidth", w, 0) < 0 ||
|
|
av_dict_set_int(&config->video_conf, "VideoSizeHeight", h, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
|
|
AVRational frame_rate;
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
if (av_parse_video_rate(&frame_rate, arg) < 0) {
|
|
ERROR("Incorrect frame rate: %s\n", arg);
|
|
} else {
|
|
if (av_dict_set_int(&config->video_conf, "VideoFrameRateNum", frame_rate.num, 0) < 0 ||
|
|
av_dict_set_int(&config->video_conf, "VideoFrameRateDen", frame_rate.den, 0) < 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);
|
|
if (av_dict_set_int(&config->video_conf, cmd, pix_fmt, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoGopSize")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "1", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
|
|
!av_strcasecmp(cmd, "AVOptionAudio")) {
|
|
AVDictionary **dict;
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_get_arg(arg2, sizeof(arg2), p);
|
|
if (!av_strcasecmp(cmd, "AVOptionVideo"))
|
|
dict = &config->video_opts;
|
|
else
|
|
dict = &config->audio_opts;
|
|
if (av_dict_set(dict, arg, arg2, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
|
|
!av_strcasecmp(cmd, "AVPresetAudio")) {
|
|
char **preset = NULL;
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
if (!av_strcasecmp(cmd, "AVPresetVideo")) {
|
|
preset = &config->video_preset;
|
|
ffserver_opt_preset(arg, NULL, 0, NULL, &config->video_id);
|
|
} else {
|
|
preset = &config->audio_preset;
|
|
ffserver_opt_preset(arg, NULL, 0, &config->audio_id, NULL);
|
|
}
|
|
*preset = av_strdup(arg);
|
|
if (!preset)
|
|
return AVERROR(ENOMEM);
|
|
} else if (!av_strcasecmp(cmd, "VideoTag")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
if (strlen(arg) == 4) {
|
|
if (av_dict_set(&config->video_conf, "VideoTag", "arg", 0) < 0)
|
|
goto nomem;
|
|
}
|
|
} else if (!av_strcasecmp(cmd, "BitExact")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "DctFastint")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "IdctSimple")) {
|
|
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "Qscale")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoQDiff")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoQMax")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "VideoQMin")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "LumiMask")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "DarkMask")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config, line_num, "Invalid %s: %s", cmd, arg);
|
|
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
|
|
goto nomem;
|
|
} else if (!av_strcasecmp(cmd, "NoVideo")) {
|
|
config->video_id = AV_CODEC_ID_NONE;
|
|
} else if (!av_strcasecmp(cmd, "NoAudio")) {
|
|
config->audio_id = AV_CODEC_ID_NONE;
|
|
} else if (!av_strcasecmp(cmd, "ACL")) {
|
|
ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename, 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) != 0)
|
|
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);
|
|
stream->multicast_port = atoi(arg);
|
|
} else if (!av_strcasecmp(cmd, "MulticastTTL")) {
|
|
ffserver_get_arg(arg, sizeof(arg), p);
|
|
stream->multicast_ttl = atoi(arg);
|
|
} else if (!av_strcasecmp(cmd, "NoLoop")) {
|
|
stream->loop = 0;
|
|
} else if (!av_strcasecmp(cmd, "</Stream>")) {
|
|
if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
|
|
if (config->audio_id != AV_CODEC_ID_NONE) {
|
|
AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->audio_id));
|
|
if (config->audio_preset &&
|
|
ffserver_opt_preset(arg, audio_enc, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_ENCODING_PARAM,
|
|
NULL, NULL) < 0)
|
|
ERROR("Could not apply preset '%s'\n", arg);
|
|
if (ffserver_apply_stream_config(audio_enc, config->audio_conf, &config->audio_opts) < 0)
|
|
config->errors++;
|
|
add_codec(stream, audio_enc);
|
|
}
|
|
if (config->video_id != AV_CODEC_ID_NONE) {
|
|
AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->video_id));
|
|
if (config->video_preset &&
|
|
ffserver_opt_preset(arg, video_enc, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_ENCODING_PARAM,
|
|
NULL, NULL) < 0)
|
|
ERROR("Could not apply preset '%s'\n", arg);
|
|
if (ffserver_apply_stream_config(video_enc, config->video_conf, &config->video_opts) < 0)
|
|
config->errors++;
|
|
add_codec(stream, video_enc);
|
|
}
|
|
}
|
|
av_dict_free(&config->video_opts);
|
|
av_dict_free(&config->video_conf);
|
|
av_dict_free(&config->audio_opts);
|
|
av_dict_free(&config->audio_conf);
|
|
av_freep(&config->video_preset);
|
|
av_freep(&config->audio_preset);
|
|
*pstream = NULL;
|
|
} else if (!av_strcasecmp(cmd, "File") || !av_strcasecmp(cmd, "ReadOnlyFile")) {
|
|
ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename), p);
|
|
} 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->video_conf);
|
|
av_dict_free(&config->audio_opts);
|
|
av_dict_free(&config->audio_conf);
|
|
av_freep(&config->video_preset);
|
|
av_freep(&config->audio_preset);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
static int ffserver_parse_config_redirect(FFServerConfig *config, const char *cmd, const char **p,
|
|
int line_num, 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;
|
|
int line_num = 0;
|
|
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;
|
|
last_stream = &config->first_stream;
|
|
config->first_feed = NULL;
|
|
last_feed = &config->first_feed;
|
|
config->errors = config->warnings = 0;
|
|
|
|
for(;;) {
|
|
if (fgets(line, sizeof(line), f) == NULL)
|
|
break;
|
|
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 {
|
|
if ((ret = ffserver_parse_config_feed(config, cmd, &p, line_num, &feed)) < 0)
|
|
break;
|
|
if (opening) {
|
|
/* add in stream list */
|
|
*last_stream = feed;
|
|
last_stream = &feed->next;
|
|
/* add in feed list */
|
|
*last_feed = feed;
|
|
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 {
|
|
if ((ret = ffserver_parse_config_stream(config, cmd, &p, line_num, &stream)) < 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 {
|
|
if ((ret = ffserver_parse_config_redirect(config, cmd, &p, line_num, &redirect)) < 0)
|
|
break;
|
|
if (opening) {
|
|
/* add in stream list */
|
|
*last_stream = redirect;
|
|
last_stream = &redirect->next;
|
|
}
|
|
}
|
|
} else {
|
|
ffserver_parse_config_global(config, cmd, &p, line_num);
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (config->errors)
|
|
return AVERROR(EINVAL);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
#undef ERROR
|
|
#undef WARNING
|