2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
25 #include <sys/ioctl.h>
30 #include <sys/types.h>
31 #include <sys/socket.h>
33 #include <netinet/in.h>
34 #include <arpa/inet.h>
37 #ifdef CONFIG_HAVE_DLFCN
43 /* maximum number of simultaneous HTTP connections */
44 #define HTTP_MAX_CONNECTIONS 2000
47 HTTPSTATE_WAIT_REQUEST,
48 HTTPSTATE_SEND_HEADER,
49 HTTPSTATE_SEND_DATA_HEADER,
50 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
51 HTTPSTATE_SEND_DATA_TRAILER,
52 HTTPSTATE_RECEIVE_DATA,
53 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
56 RTSPSTATE_WAIT_REQUEST,
58 RTSPSTATE_SEND_PACKET,
61 const char *http_state[] = {
77 #define IOBUFFER_INIT_SIZE 8192
79 /* coef for exponential mean for bitrate estimation in statistics */
82 /* timeouts are in ms */
83 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
84 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
86 #define SYNC_TIMEOUT (10 * 1000)
89 int64_t count1, count2;
93 /* context associated with one connection */
94 typedef struct HTTPContext {
96 int fd; /* socket file descriptor */
97 struct sockaddr_in from_addr; /* origin */
98 struct pollfd *poll_entry; /* used when polling */
100 uint8_t *buffer_ptr, *buffer_end;
102 struct HTTPContext *next;
103 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
107 /* input format handling */
108 AVFormatContext *fmt_in;
109 long start_time; /* In milliseconds - this wraps fairly often */
110 int64_t first_pts; /* initial pts value */
111 int64_t cur_pts; /* current pts value from the stream in us */
112 int64_t cur_frame_duration; /* duration of the current frame in us */
113 int cur_frame_bytes; /* output frame size, needed to compute
114 the time at which we send each
116 int pts_stream_index; /* stream we choose as clock reference */
117 int64_t cur_clock; /* current clock reference value in us */
118 /* output format handling */
119 struct FFStream *stream;
120 /* -1 is invalid stream */
121 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
122 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
124 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
125 int last_packet_sent; /* true if last data packet was sent */
127 DataRateData datarate;
134 int is_packetized; /* if true, the stream is packetized */
135 int packet_stream_index; /* current stream for output in state machine */
137 /* RTSP state specific */
138 uint8_t *pb_buffer; /* XXX: use that in all the code */
140 int seq; /* RTSP sequence number */
142 /* RTP state specific */
143 enum RTSPProtocol rtp_protocol;
144 char session_id[32]; /* session id */
145 AVFormatContext *rtp_ctx[MAX_STREAMS];
147 /* RTP/UDP specific */
148 URLContext *rtp_handles[MAX_STREAMS];
150 /* RTP/TCP specific */
151 struct HTTPContext *rtsp_c;
152 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
155 static AVFrame dummy_frame;
157 /* each generated stream is described here */
161 STREAM_TYPE_REDIRECT,
164 enum IPAddressAction {
169 typedef struct IPAddressACL {
170 struct IPAddressACL *next;
171 enum IPAddressAction action;
172 /* These are in host order */
173 struct in_addr first;
177 /* description of each stream of the ffserver.conf file */
178 typedef struct FFStream {
179 enum StreamType stream_type;
180 char filename[1024]; /* stream filename */
181 struct FFStream *feed; /* feed we are using (can be null if
183 AVFormatParameters *ap_in; /* input parameters */
184 AVInputFormat *ifmt; /* if non NULL, force input format */
188 int prebuffer; /* Number of millseconds early to start */
189 long max_time; /* Number of milliseconds to run */
191 AVStream *streams[MAX_STREAMS];
192 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
193 char feed_filename[1024]; /* file name of the feed storage, or
194 input file name for a stream */
199 pid_t pid; /* Of ffmpeg process */
200 time_t pid_start; /* Of ffmpeg process */
202 struct FFStream *next;
203 int bandwidth; /* bandwidth, in kbits/s */
206 /* multicast specific */
208 struct in_addr multicast_ip;
209 int multicast_port; /* first port used for multicast */
211 int loop; /* if true, send the stream in loops (only meaningful if file) */
214 int feed_opened; /* true if someone is writing to the feed */
215 int is_feed; /* true if it is a feed */
216 int readonly; /* True if writing is prohibited to the file */
218 int64_t bytes_served;
219 int64_t feed_max_size; /* maximum storage size */
220 int64_t feed_write_index; /* current write position in feed (it wraps round) */
221 int64_t feed_size; /* current size of feed */
222 struct FFStream *next_feed;
225 typedef struct FeedData {
226 long long data_count;
227 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
230 struct sockaddr_in my_http_addr;
231 struct sockaddr_in my_rtsp_addr;
233 char logfilename[1024];
234 HTTPContext *first_http_ctx;
235 FFStream *first_feed; /* contains only feeds */
236 FFStream *first_stream; /* contains all streams, including feeds */
238 static void new_connection(int server_fd, int is_rtsp);
239 static void close_connection(HTTPContext *c);
242 static int handle_connection(HTTPContext *c);
243 static int http_parse_request(HTTPContext *c);
244 static int http_send_data(HTTPContext *c);
245 static void compute_stats(HTTPContext *c);
246 static int open_input_stream(HTTPContext *c, const char *info);
247 static int http_start_receive_data(HTTPContext *c);
248 static int http_receive_data(HTTPContext *c);
251 static int rtsp_parse_request(HTTPContext *c);
252 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
253 static void rtsp_cmd_options(HTTPContext *c, const char *url);
254 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
255 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
256 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
257 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
260 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
261 struct in_addr my_ip);
264 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
265 FFStream *stream, const char *session_id,
266 enum RTSPProtocol rtp_protocol);
267 static int rtp_new_av_stream(HTTPContext *c,
268 int stream_index, struct sockaddr_in *dest_addr,
269 HTTPContext *rtsp_c);
271 static const char *my_program_name;
272 static const char *my_program_dir;
274 static int ffserver_debug;
275 static int ffserver_daemon;
276 static int no_launch;
277 static int need_to_start_children;
279 int nb_max_connections;
283 int current_bandwidth;
285 static long cur_time; // Making this global saves on passing it around everywhere
287 static long gettime_ms(void)
291 gettimeofday(&tv,NULL);
292 return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
295 static FILE *logfile = NULL;
297 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
303 vfprintf(logfile, fmt, ap);
309 static char *ctime1(char *buf2)
317 p = buf2 + strlen(p) - 1;
323 static void log_connection(HTTPContext *c)
330 http_log("%s - - [%s] \"%s %s %s\" %d %lld\n",
331 inet_ntoa(c->from_addr.sin_addr),
332 ctime1(buf2), c->method, c->url,
333 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
336 static void update_datarate(DataRateData *drd, int64_t count)
338 if (!drd->time1 && !drd->count1) {
339 drd->time1 = drd->time2 = cur_time;
340 drd->count1 = drd->count2 = count;
342 if (cur_time - drd->time2 > 5000) {
343 drd->time1 = drd->time2;
344 drd->count1 = drd->count2;
345 drd->time2 = cur_time;
351 /* In bytes per second */
352 static int compute_datarate(DataRateData *drd, int64_t count)
354 if (cur_time == drd->time1)
357 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
360 static int get_longterm_datarate(DataRateData *drd, int64_t count)
362 /* You get the first 3 seconds flat out */
363 if (cur_time - drd->time1 < 3000)
365 return compute_datarate(drd, count);
369 static void start_children(FFStream *feed)
374 for (; feed; feed = feed->next) {
375 if (feed->child_argv && !feed->pid) {
376 feed->pid_start = time(0);
381 fprintf(stderr, "Unable to create children\n");
390 for (i = 3; i < 256; i++) {
394 if (!ffserver_debug) {
395 i = open("/dev/null", O_RDWR);
404 pstrcpy(pathname, sizeof(pathname), my_program_name);
406 slash = strrchr(pathname, '/');
412 strcpy(slash, "ffmpeg");
414 /* This is needed to make relative pathnames work */
415 chdir(my_program_dir);
417 signal(SIGPIPE, SIG_DFL);
419 execvp(pathname, feed->child_argv);
427 /* open a listening socket */
428 static int socket_open_listen(struct sockaddr_in *my_addr)
432 server_fd = socket(AF_INET,SOCK_STREAM,0);
439 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
441 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
443 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
449 if (listen (server_fd, 5) < 0) {
454 fcntl(server_fd, F_SETFL, O_NONBLOCK);
459 /* start all multicast streams */
460 static void start_multicast(void)
465 struct sockaddr_in dest_addr;
466 int default_port, stream_index;
469 for(stream = first_stream; stream != NULL; stream = stream->next) {
470 if (stream->is_multicast) {
471 /* open the RTP connection */
472 snprintf(session_id, sizeof(session_id),
473 "%08x%08x", (int)random(), (int)random());
475 /* choose a port if none given */
476 if (stream->multicast_port == 0) {
477 stream->multicast_port = default_port;
481 dest_addr.sin_family = AF_INET;
482 dest_addr.sin_addr = stream->multicast_ip;
483 dest_addr.sin_port = htons(stream->multicast_port);
485 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
486 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
490 if (open_input_stream(rtp_c, "") < 0) {
491 fprintf(stderr, "Could not open input stream for stream '%s'\n",
496 /* open each RTP stream */
497 for(stream_index = 0; stream_index < stream->nb_streams;
499 dest_addr.sin_port = htons(stream->multicast_port +
501 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
502 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
503 stream->filename, stream_index);
508 /* change state to send data */
509 rtp_c->state = HTTPSTATE_SEND_DATA;
514 /* main loop of the http server */
515 static int http_server(void)
517 int server_fd, ret, rtsp_server_fd, delay, delay1;
518 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
519 HTTPContext *c, *c_next;
521 server_fd = socket_open_listen(&my_http_addr);
525 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
526 if (rtsp_server_fd < 0)
529 http_log("ffserver started.\n");
531 start_children(first_feed);
533 first_http_ctx = NULL;
539 poll_entry = poll_table;
540 poll_entry->fd = server_fd;
541 poll_entry->events = POLLIN;
544 poll_entry->fd = rtsp_server_fd;
545 poll_entry->events = POLLIN;
548 /* wait for events on each HTTP handle */
555 case HTTPSTATE_SEND_HEADER:
556 case RTSPSTATE_SEND_REPLY:
557 case RTSPSTATE_SEND_PACKET:
558 c->poll_entry = poll_entry;
560 poll_entry->events = POLLOUT;
563 case HTTPSTATE_SEND_DATA_HEADER:
564 case HTTPSTATE_SEND_DATA:
565 case HTTPSTATE_SEND_DATA_TRAILER:
566 if (!c->is_packetized) {
567 /* for TCP, we output as much as we can (may need to put a limit) */
568 c->poll_entry = poll_entry;
570 poll_entry->events = POLLOUT;
573 /* when ffserver is doing the timing, we work by
574 looking at which packet need to be sent every
576 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
581 case HTTPSTATE_WAIT_REQUEST:
582 case HTTPSTATE_RECEIVE_DATA:
583 case HTTPSTATE_WAIT_FEED:
584 case RTSPSTATE_WAIT_REQUEST:
585 /* need to catch errors */
586 c->poll_entry = poll_entry;
588 poll_entry->events = POLLIN;/* Maybe this will work */
592 c->poll_entry = NULL;
598 /* wait for an event on one connection. We poll at least every
599 second to handle timeouts */
601 ret = poll(poll_table, poll_entry - poll_table, delay);
604 cur_time = gettime_ms();
606 if (need_to_start_children) {
607 need_to_start_children = 0;
608 start_children(first_feed);
611 /* now handle the events */
612 for(c = first_http_ctx; c != NULL; c = c_next) {
614 if (handle_connection(c) < 0) {
615 /* close and free the connection */
621 poll_entry = poll_table;
622 /* new HTTP connection request ? */
623 if (poll_entry->revents & POLLIN) {
624 new_connection(server_fd, 0);
627 /* new RTSP connection request ? */
628 if (poll_entry->revents & POLLIN) {
629 new_connection(rtsp_server_fd, 1);
634 /* start waiting for a new HTTP/RTSP request */
635 static void start_wait_request(HTTPContext *c, int is_rtsp)
637 c->buffer_ptr = c->buffer;
638 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
641 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
642 c->state = RTSPSTATE_WAIT_REQUEST;
644 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
645 c->state = HTTPSTATE_WAIT_REQUEST;
649 static void new_connection(int server_fd, int is_rtsp)
651 struct sockaddr_in from_addr;
653 HTTPContext *c = NULL;
655 len = sizeof(from_addr);
656 fd = accept(server_fd, (struct sockaddr *)&from_addr,
660 fcntl(fd, F_SETFL, O_NONBLOCK);
662 /* XXX: should output a warning page when coming
663 close to the connection limit */
664 if (nb_connections >= nb_max_connections)
667 /* add a new connection */
668 c = av_mallocz(sizeof(HTTPContext));
673 c->poll_entry = NULL;
674 c->from_addr = from_addr;
675 c->buffer_size = IOBUFFER_INIT_SIZE;
676 c->buffer = av_malloc(c->buffer_size);
680 c->next = first_http_ctx;
684 start_wait_request(c, is_rtsp);
696 static void close_connection(HTTPContext *c)
698 HTTPContext **cp, *c1;
700 AVFormatContext *ctx;
704 /* remove connection from list */
705 cp = &first_http_ctx;
706 while ((*cp) != NULL) {
715 /* remove references, if any (XXX: do it faster) */
716 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
721 /* remove connection associated resources */
725 /* close each frame parser */
726 for(i=0;i<c->fmt_in->nb_streams;i++) {
727 st = c->fmt_in->streams[i];
728 if (st->codec.codec) {
729 avcodec_close(&st->codec);
732 av_close_input_file(c->fmt_in);
735 /* free RTP output streams if any */
738 nb_streams = c->stream->nb_streams;
740 for(i=0;i<nb_streams;i++) {
743 av_write_trailer(ctx);
746 h = c->rtp_handles[i];
754 if (!c->last_packet_sent) {
757 if (url_open_dyn_buf(&ctx->pb) >= 0) {
758 av_write_trailer(ctx);
759 url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
764 for(i=0; i<ctx->nb_streams; i++)
765 av_free(ctx->streams[i]) ;
768 current_bandwidth -= c->stream->bandwidth;
769 av_freep(&c->pb_buffer);
770 av_freep(&c->packet_buffer);
776 static int handle_connection(HTTPContext *c)
781 case HTTPSTATE_WAIT_REQUEST:
782 case RTSPSTATE_WAIT_REQUEST:
784 if ((c->timeout - cur_time) < 0)
786 if (c->poll_entry->revents & (POLLERR | POLLHUP))
789 /* no need to read if no events */
790 if (!(c->poll_entry->revents & POLLIN))
794 len = read(c->fd, c->buffer_ptr, 1);
796 if (errno != EAGAIN && errno != EINTR)
798 } else if (len == 0) {
801 /* search for end of request. */
803 c->buffer_ptr += len;
805 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
806 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
807 /* request found : parse it and reply */
808 if (c->state == HTTPSTATE_WAIT_REQUEST) {
809 ret = http_parse_request(c);
811 ret = rtsp_parse_request(c);
815 } else if (ptr >= c->buffer_end) {
816 /* request too long: cannot do anything */
818 } else goto read_loop;
822 case HTTPSTATE_SEND_HEADER:
823 if (c->poll_entry->revents & (POLLERR | POLLHUP))
826 /* no need to write if no events */
827 if (!(c->poll_entry->revents & POLLOUT))
829 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
831 if (errno != EAGAIN && errno != EINTR) {
832 /* error : close connection */
833 av_freep(&c->pb_buffer);
837 c->buffer_ptr += len;
839 c->stream->bytes_served += len;
840 c->data_count += len;
841 if (c->buffer_ptr >= c->buffer_end) {
842 av_freep(&c->pb_buffer);
847 /* all the buffer was sent : synchronize to the incoming stream */
848 c->state = HTTPSTATE_SEND_DATA_HEADER;
849 c->buffer_ptr = c->buffer_end = c->buffer;
854 case HTTPSTATE_SEND_DATA:
855 case HTTPSTATE_SEND_DATA_HEADER:
856 case HTTPSTATE_SEND_DATA_TRAILER:
857 /* for packetized output, we consider we can always write (the
858 input streams sets the speed). It may be better to verify
859 that we do not rely too much on the kernel queues */
860 if (!c->is_packetized) {
861 if (c->poll_entry->revents & (POLLERR | POLLHUP))
864 /* no need to read if no events */
865 if (!(c->poll_entry->revents & POLLOUT))
868 if (http_send_data(c) < 0)
871 case HTTPSTATE_RECEIVE_DATA:
872 /* no need to read if no events */
873 if (c->poll_entry->revents & (POLLERR | POLLHUP))
875 if (!(c->poll_entry->revents & POLLIN))
877 if (http_receive_data(c) < 0)
880 case HTTPSTATE_WAIT_FEED:
881 /* no need to read if no events */
882 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
885 /* nothing to do, we'll be waken up by incoming feed packets */
888 case RTSPSTATE_SEND_REPLY:
889 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
890 av_freep(&c->pb_buffer);
893 /* no need to write if no events */
894 if (!(c->poll_entry->revents & POLLOUT))
896 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
898 if (errno != EAGAIN && errno != EINTR) {
899 /* error : close connection */
900 av_freep(&c->pb_buffer);
904 c->buffer_ptr += len;
905 c->data_count += len;
906 if (c->buffer_ptr >= c->buffer_end) {
907 /* all the buffer was sent : wait for a new request */
908 av_freep(&c->pb_buffer);
909 start_wait_request(c, 1);
913 case RTSPSTATE_SEND_PACKET:
914 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
915 av_freep(&c->packet_buffer);
918 /* no need to write if no events */
919 if (!(c->poll_entry->revents & POLLOUT))
921 len = write(c->fd, c->packet_buffer_ptr,
922 c->packet_buffer_end - c->packet_buffer_ptr);
924 if (errno != EAGAIN && errno != EINTR) {
925 /* error : close connection */
926 av_freep(&c->packet_buffer);
930 c->packet_buffer_ptr += len;
931 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
932 /* all the buffer was sent : wait for a new request */
933 av_freep(&c->packet_buffer);
934 c->state = RTSPSTATE_WAIT_REQUEST;
938 case HTTPSTATE_READY:
947 static int extract_rates(char *rates, int ratelen, const char *request)
951 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
952 if (strncasecmp(p, "Pragma:", 7) == 0) {
953 const char *q = p + 7;
955 while (*q && *q != '\n' && isspace(*q))
958 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
964 memset(rates, 0xff, ratelen);
967 while (*q && *q != '\n' && *q != ':')
970 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
974 if (stream_no < ratelen && stream_no >= 0) {
975 rates[stream_no] = rate_no;
978 while (*q && *q != '\n' && !isspace(*q))
995 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
998 int best_bitrate = 100000000;
1001 for (i = 0; i < feed->nb_streams; i++) {
1002 AVCodecContext *feed_codec = &feed->streams[i]->codec;
1004 if (feed_codec->codec_id != codec->codec_id ||
1005 feed_codec->sample_rate != codec->sample_rate ||
1006 feed_codec->width != codec->width ||
1007 feed_codec->height != codec->height) {
1011 /* Potential stream */
1013 /* We want the fastest stream less than bit_rate, or the slowest
1014 * faster than bit_rate
1017 if (feed_codec->bit_rate <= bit_rate) {
1018 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1019 best_bitrate = feed_codec->bit_rate;
1023 if (feed_codec->bit_rate < best_bitrate) {
1024 best_bitrate = feed_codec->bit_rate;
1033 static int modify_current_stream(HTTPContext *c, char *rates)
1036 FFStream *req = c->stream;
1037 int action_required = 0;
1039 /* Not much we can do for a feed */
1043 for (i = 0; i < req->nb_streams; i++) {
1044 AVCodecContext *codec = &req->streams[i]->codec;
1048 c->switch_feed_streams[i] = req->feed_streams[i];
1051 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1054 /* Wants off or slow */
1055 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1057 /* This doesn't work well when it turns off the only stream! */
1058 c->switch_feed_streams[i] = -2;
1059 c->feed_streams[i] = -2;
1064 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1065 action_required = 1;
1068 return action_required;
1072 static void do_switch_stream(HTTPContext *c, int i)
1074 if (c->switch_feed_streams[i] >= 0) {
1076 c->feed_streams[i] = c->switch_feed_streams[i];
1079 /* Now update the stream */
1081 c->switch_feed_streams[i] = -1;
1084 /* XXX: factorize in utils.c ? */
1085 /* XXX: take care with different space meaning */
1086 static void skip_spaces(const char **pp)
1090 while (*p == ' ' || *p == '\t')
1095 static void get_word(char *buf, int buf_size, const char **pp)
1103 while (!isspace(*p) && *p != '\0') {
1104 if ((q - buf) < buf_size - 1)
1113 static int validate_acl(FFStream *stream, HTTPContext *c)
1115 enum IPAddressAction last_action = IP_DENY;
1117 struct in_addr *src = &c->from_addr.sin_addr;
1118 unsigned long src_addr = ntohl(src->s_addr);
1120 for (acl = stream->acl; acl; acl = acl->next) {
1121 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
1122 return (acl->action == IP_ALLOW) ? 1 : 0;
1124 last_action = acl->action;
1127 /* Nothing matched, so return not the last action */
1128 return (last_action == IP_DENY) ? 1 : 0;
1131 /* compute the real filename of a file by matching it without its
1132 extensions to all the stream filenames */
1133 static void compute_real_filename(char *filename, int max_size)
1140 /* compute filename by matching without the file extensions */
1141 pstrcpy(file1, sizeof(file1), filename);
1142 p = strrchr(file1, '.');
1145 for(stream = first_stream; stream != NULL; stream = stream->next) {
1146 pstrcpy(file2, sizeof(file2), stream->filename);
1147 p = strrchr(file2, '.');
1150 if (!strcmp(file1, file2)) {
1151 pstrcpy(filename, max_size, stream->filename);
1166 /* parse http request and prepare header */
1167 static int http_parse_request(HTTPContext *c)
1171 enum RedirType redir_type;
1173 char info[1024], *filename;
1177 const char *mime_type;
1181 char *useragent = 0;
1184 get_word(cmd, sizeof(cmd), (const char **)&p);
1185 pstrcpy(c->method, sizeof(c->method), cmd);
1187 if (!strcmp(cmd, "GET"))
1189 else if (!strcmp(cmd, "POST"))
1194 get_word(url, sizeof(url), (const char **)&p);
1195 pstrcpy(c->url, sizeof(c->url), url);
1197 get_word(protocol, sizeof(protocol), (const char **)&p);
1198 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1201 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
1203 /* find the filename and the optional info string in the request */
1210 pstrcpy(info, sizeof(info), p);
1216 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1217 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1219 if (*useragent && *useragent != '\n' && isspace(*useragent))
1223 p = strchr(p, '\n');
1230 redir_type = REDIR_NONE;
1231 if (match_ext(filename, "asx")) {
1232 redir_type = REDIR_ASX;
1233 filename[strlen(filename)-1] = 'f';
1234 } else if (match_ext(filename, "asf") &&
1235 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1236 /* if this isn't WMP or lookalike, return the redirector file */
1237 redir_type = REDIR_ASF;
1238 } else if (match_ext(filename, "rpm,ram")) {
1239 redir_type = REDIR_RAM;
1240 strcpy(filename + strlen(filename)-2, "m");
1241 } else if (match_ext(filename, "rtsp")) {
1242 redir_type = REDIR_RTSP;
1243 compute_real_filename(filename, sizeof(url) - 1);
1244 } else if (match_ext(filename, "sdp")) {
1245 redir_type = REDIR_SDP;
1246 compute_real_filename(filename, sizeof(url) - 1);
1249 stream = first_stream;
1250 while (stream != NULL) {
1251 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1253 stream = stream->next;
1255 if (stream == NULL) {
1256 sprintf(msg, "File '%s' not found", url);
1261 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1262 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1264 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1265 c->http_error = 301;
1267 q += sprintf(q, "HTTP/1.0 301 Moved\r\n");
1268 q += sprintf(q, "Location: %s\r\n", stream->feed_filename);
1269 q += sprintf(q, "Content-type: text/html\r\n");
1270 q += sprintf(q, "\r\n");
1271 q += sprintf(q, "<html><head><title>Moved</title></head><body>\r\n");
1272 q += sprintf(q, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1273 q += sprintf(q, "</body></html>\r\n");
1275 /* prepare output buffer */
1276 c->buffer_ptr = c->buffer;
1278 c->state = HTTPSTATE_SEND_HEADER;
1282 /* If this is WMP, get the rate information */
1283 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1284 if (modify_current_stream(c, ratebuf)) {
1285 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1286 if (c->switch_feed_streams[i] >= 0)
1287 do_switch_stream(c, i);
1292 if (post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
1293 current_bandwidth += stream->bandwidth;
1296 if (post == 0 && max_bandwidth < current_bandwidth) {
1297 c->http_error = 200;
1299 q += sprintf(q, "HTTP/1.0 200 Server too busy\r\n");
1300 q += sprintf(q, "Content-type: text/html\r\n");
1301 q += sprintf(q, "\r\n");
1302 q += sprintf(q, "<html><head><title>Too busy</title></head><body>\r\n");
1303 q += sprintf(q, "The server is too busy to serve your request at this time.<p>\r\n");
1304 q += sprintf(q, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
1305 current_bandwidth, max_bandwidth);
1306 q += sprintf(q, "</body></html>\r\n");
1308 /* prepare output buffer */
1309 c->buffer_ptr = c->buffer;
1311 c->state = HTTPSTATE_SEND_HEADER;
1315 if (redir_type != REDIR_NONE) {
1318 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1319 if (strncasecmp(p, "Host:", 5) == 0) {
1323 p = strchr(p, '\n');
1334 while (isspace(*hostinfo))
1337 eoh = strchr(hostinfo, '\n');
1339 if (eoh[-1] == '\r')
1342 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1343 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1344 hostbuf[eoh - hostinfo] = 0;
1346 c->http_error = 200;
1348 switch(redir_type) {
1350 q += sprintf(q, "HTTP/1.0 200 ASX Follows\r\n");
1351 q += sprintf(q, "Content-type: video/x-ms-asf\r\n");
1352 q += sprintf(q, "\r\n");
1353 q += sprintf(q, "<ASX Version=\"3\">\r\n");
1354 q += sprintf(q, "<!-- Autogenerated by ffserver -->\r\n");
1355 q += sprintf(q, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1356 hostbuf, filename, info);
1357 q += sprintf(q, "</ASX>\r\n");
1360 q += sprintf(q, "HTTP/1.0 200 RAM Follows\r\n");
1361 q += sprintf(q, "Content-type: audio/x-pn-realaudio\r\n");
1362 q += sprintf(q, "\r\n");
1363 q += sprintf(q, "# Autogenerated by ffserver\r\n");
1364 q += sprintf(q, "http://%s/%s%s\r\n",
1365 hostbuf, filename, info);
1368 q += sprintf(q, "HTTP/1.0 200 ASF Redirect follows\r\n");
1369 q += sprintf(q, "Content-type: video/x-ms-asf\r\n");
1370 q += sprintf(q, "\r\n");
1371 q += sprintf(q, "[Reference]\r\n");
1372 q += sprintf(q, "Ref1=http://%s/%s%s\r\n",
1373 hostbuf, filename, info);
1377 char hostname[256], *p;
1378 /* extract only hostname */
1379 pstrcpy(hostname, sizeof(hostname), hostbuf);
1380 p = strrchr(hostname, ':');
1383 q += sprintf(q, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1384 /* XXX: incorrect mime type ? */
1385 q += sprintf(q, "Content-type: application/x-rtsp\r\n");
1386 q += sprintf(q, "\r\n");
1387 q += sprintf(q, "rtsp://%s:%d/%s\r\n",
1388 hostname, ntohs(my_rtsp_addr.sin_port),
1395 int sdp_data_size, len;
1396 struct sockaddr_in my_addr;
1398 q += sprintf(q, "HTTP/1.0 200 OK\r\n");
1399 q += sprintf(q, "Content-type: application/sdp\r\n");
1400 q += sprintf(q, "\r\n");
1402 len = sizeof(my_addr);
1403 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1405 /* XXX: should use a dynamic buffer */
1406 sdp_data_size = prepare_sdp_description(stream,
1409 if (sdp_data_size > 0) {
1410 memcpy(q, sdp_data, sdp_data_size);
1422 /* prepare output buffer */
1423 c->buffer_ptr = c->buffer;
1425 c->state = HTTPSTATE_SEND_HEADER;
1431 sprintf(msg, "ASX/RAM file not handled");
1435 stream->conns_served++;
1437 /* XXX: add there authenticate and IP match */
1440 /* if post, it means a feed is being sent */
1441 if (!stream->is_feed) {
1442 /* However it might be a status report from WMP! Lets log the data
1443 * as it might come in handy one day
1448 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1449 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1453 if (strncasecmp(p, "Pragma: client-id=", 18) == 0) {
1454 client_id = strtol(p + 18, 0, 10);
1456 p = strchr(p, '\n');
1464 char *eol = strchr(logline, '\n');
1469 if (eol[-1] == '\r')
1471 http_log("%.*s\n", eol - logline, logline);
1472 c->suppress_log = 1;
1477 http_log("\nGot request:\n%s\n", c->buffer);
1480 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1483 /* Now we have to find the client_id */
1484 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1485 if (wmpc->wmp_client_id == client_id)
1490 if (modify_current_stream(wmpc, ratebuf)) {
1491 wmpc->switch_pending = 1;
1496 sprintf(msg, "POST command not handled");
1500 if (http_start_receive_data(c) < 0) {
1501 sprintf(msg, "could not open feed");
1505 c->state = HTTPSTATE_RECEIVE_DATA;
1510 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0) {
1511 http_log("\nGot request:\n%s\n", c->buffer);
1515 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1518 /* open input stream */
1519 if (open_input_stream(c, info) < 0) {
1520 sprintf(msg, "Input stream corresponding to '%s' not found", url);
1524 /* prepare http header */
1526 q += sprintf(q, "HTTP/1.0 200 OK\r\n");
1527 mime_type = c->stream->fmt->mime_type;
1529 mime_type = "application/x-octet_stream";
1530 q += sprintf(q, "Pragma: no-cache\r\n");
1532 /* for asf, we need extra headers */
1533 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1534 /* Need to allocate a client id */
1536 c->wmp_client_id = random() & 0x7fffffff;
1538 q += sprintf(q, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1540 q += sprintf(q, "Content-Type: %s\r\n", mime_type);
1541 q += sprintf(q, "\r\n");
1543 /* prepare output buffer */
1545 c->buffer_ptr = c->buffer;
1547 c->state = HTTPSTATE_SEND_HEADER;
1550 c->http_error = 404;
1552 q += sprintf(q, "HTTP/1.0 404 Not Found\r\n");
1553 q += sprintf(q, "Content-type: %s\r\n", "text/html");
1554 q += sprintf(q, "\r\n");
1555 q += sprintf(q, "<HTML>\n");
1556 q += sprintf(q, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1557 q += sprintf(q, "<BODY>%s</BODY>\n", msg);
1558 q += sprintf(q, "</HTML>\n");
1560 /* prepare output buffer */
1561 c->buffer_ptr = c->buffer;
1563 c->state = HTTPSTATE_SEND_HEADER;
1567 c->http_error = 200; /* horrible : we use this value to avoid
1568 going to the send data state */
1569 c->state = HTTPSTATE_SEND_HEADER;
1573 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1575 static const char *suffix = " kMGTP";
1578 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++) {
1581 url_fprintf(pb, "%lld%c", count, *s);
1584 static void compute_stats(HTTPContext *c)
1591 ByteIOContext pb1, *pb = &pb1;
1593 if (url_open_dyn_buf(pb) < 0) {
1594 /* XXX: return an error ? */
1595 c->buffer_ptr = c->buffer;
1596 c->buffer_end = c->buffer;
1600 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1601 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1602 url_fprintf(pb, "Pragma: no-cache\r\n");
1603 url_fprintf(pb, "\r\n");
1605 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1606 if (c->stream->feed_filename) {
1607 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1609 url_fprintf(pb, "</HEAD>\n<BODY>");
1610 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1612 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1613 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1614 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1615 stream = first_stream;
1616 while (stream != NULL) {
1617 char sfilename[1024];
1620 if (stream->feed != stream) {
1621 pstrcpy(sfilename, sizeof(sfilename) - 10, stream->filename);
1622 eosf = sfilename + strlen(sfilename);
1623 if (eosf - sfilename >= 4) {
1624 if (strcmp(eosf - 4, ".asf") == 0) {
1625 strcpy(eosf - 4, ".asx");
1626 } else if (strcmp(eosf - 3, ".rm") == 0) {
1627 strcpy(eosf - 3, ".ram");
1628 } else if (stream->fmt == &rtp_mux) {
1629 /* generate a sample RTSP director if
1630 unicast. Generate an SDP redirector if
1632 eosf = strrchr(sfilename, '.');
1634 eosf = sfilename + strlen(sfilename);
1635 if (stream->is_multicast)
1636 strcpy(eosf, ".sdp");
1638 strcpy(eosf, ".rtsp");
1642 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1643 sfilename, stream->filename);
1644 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1645 stream->conns_served);
1646 fmt_bytecount(pb, stream->bytes_served);
1647 switch(stream->stream_type) {
1648 case STREAM_TYPE_LIVE:
1650 int audio_bit_rate = 0;
1651 int video_bit_rate = 0;
1652 const char *audio_codec_name = "";
1653 const char *video_codec_name = "";
1654 const char *audio_codec_name_extra = "";
1655 const char *video_codec_name_extra = "";
1657 for(i=0;i<stream->nb_streams;i++) {
1658 AVStream *st = stream->streams[i];
1659 AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
1660 switch(st->codec.codec_type) {
1661 case CODEC_TYPE_AUDIO:
1662 audio_bit_rate += st->codec.bit_rate;
1664 if (*audio_codec_name)
1665 audio_codec_name_extra = "...";
1666 audio_codec_name = codec->name;
1669 case CODEC_TYPE_VIDEO:
1670 video_bit_rate += st->codec.bit_rate;
1672 if (*video_codec_name)
1673 video_codec_name_extra = "...";
1674 video_codec_name = codec->name;
1677 case CODEC_TYPE_DATA:
1678 video_bit_rate += st->codec.bit_rate;
1684 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1687 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1688 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1690 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1692 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1694 url_fprintf(pb, "\n");
1698 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1702 stream = stream->next;
1704 url_fprintf(pb, "</TABLE>\n");
1706 stream = first_stream;
1707 while (stream != NULL) {
1708 if (stream->feed == stream) {
1709 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1711 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1713 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1718 /* This is somewhat linux specific I guess */
1719 snprintf(ps_cmd, sizeof(ps_cmd),
1720 "ps -o \"%%cpu,cputime\" --no-headers %d",
1723 pid_stat = popen(ps_cmd, "r");
1728 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1730 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1738 url_fprintf(pb, "<p>");
1740 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1742 for (i = 0; i < stream->nb_streams; i++) {
1743 AVStream *st = stream->streams[i];
1744 AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
1745 const char *type = "unknown";
1746 char parameters[64];
1750 switch(st->codec.codec_type) {
1751 case CODEC_TYPE_AUDIO:
1754 case CODEC_TYPE_VIDEO:
1756 sprintf(parameters, "%dx%d, q=%d-%d, fps=%d", st->codec.width, st->codec.height,
1757 st->codec.qmin, st->codec.qmax, st->codec.frame_rate / st->codec.frame_rate_base);
1762 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1763 i, type, st->codec.bit_rate/1000, codec ? codec->name : "", parameters);
1765 url_fprintf(pb, "</table>\n");
1768 stream = stream->next;
1774 AVCodecContext *enc;
1778 stream = first_feed;
1779 while (stream != NULL) {
1780 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1781 url_fprintf(pb, "<TABLE>\n");
1782 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1783 for(i=0;i<stream->nb_streams;i++) {
1784 AVStream *st = stream->streams[i];
1785 FeedData *fdata = st->priv_data;
1788 avcodec_string(buf, sizeof(buf), enc);
1789 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1790 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1791 avg /= enc->frame_size;
1792 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
1793 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1795 url_fprintf(pb, "</TABLE>\n");
1796 stream = stream->next_feed;
1801 /* connection status */
1802 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1804 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1805 nb_connections, nb_max_connections);
1807 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1808 current_bandwidth, max_bandwidth);
1810 url_fprintf(pb, "<TABLE>\n");
1811 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1812 c1 = first_http_ctx;
1814 while (c1 != NULL) {
1820 for (j = 0; j < c1->stream->nb_streams; j++) {
1821 if (!c1->stream->feed) {
1822 bitrate += c1->stream->streams[j]->codec.bit_rate;
1824 if (c1->feed_streams[j] >= 0) {
1825 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec.bit_rate;
1832 p = inet_ntoa(c1->from_addr.sin_addr);
1833 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1835 c1->stream ? c1->stream->filename : "",
1836 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1839 http_state[c1->state]);
1840 fmt_bytecount(pb, bitrate);
1841 url_fprintf(pb, "<td align=right>");
1842 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1843 url_fprintf(pb, "<td align=right>");
1844 fmt_bytecount(pb, c1->data_count);
1845 url_fprintf(pb, "\n");
1848 url_fprintf(pb, "</TABLE>\n");
1853 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1854 url_fprintf(pb, "</BODY>\n</HTML>\n");
1856 len = url_close_dyn_buf(pb, &c->pb_buffer);
1857 c->buffer_ptr = c->pb_buffer;
1858 c->buffer_end = c->pb_buffer + len;
1861 /* check if the parser needs to be opened for stream i */
1862 static void open_parser(AVFormatContext *s, int i)
1864 AVStream *st = s->streams[i];
1867 if (!st->codec.codec) {
1868 codec = avcodec_find_decoder(st->codec.codec_id);
1869 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1870 st->codec.parse_only = 1;
1871 if (avcodec_open(&st->codec, codec) < 0) {
1872 st->codec.parse_only = 0;
1878 static int open_input_stream(HTTPContext *c, const char *info)
1881 char input_filename[1024];
1886 /* find file name */
1887 if (c->stream->feed) {
1888 strcpy(input_filename, c->stream->feed->feed_filename);
1889 buf_size = FFM_PACKET_SIZE;
1890 /* compute position (absolute time) */
1891 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1892 stream_pos = parse_date(buf, 0);
1893 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1894 int prebuffer = strtol(buf, 0, 10);
1895 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1897 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1900 strcpy(input_filename, c->stream->feed_filename);
1902 /* compute position (relative time) */
1903 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1904 stream_pos = parse_date(buf, 1);
1909 if (input_filename[0] == '\0')
1913 { time_t when = stream_pos / 1000000;
1914 http_log("Stream pos = %lld, time=%s", stream_pos, ctime(&when));
1919 if (av_open_input_file(&s, input_filename, c->stream->ifmt,
1920 buf_size, c->stream->ap_in) < 0) {
1921 http_log("%s not found", input_filename);
1926 /* open each parser */
1927 for(i=0;i<s->nb_streams;i++)
1930 /* choose stream as clock source (we favorize video stream if
1931 present) for packet sending */
1932 c->pts_stream_index = 0;
1933 for(i=0;i<c->stream->nb_streams;i++) {
1934 if (c->pts_stream_index == 0 &&
1935 c->stream->streams[i]->codec.codec_type == CODEC_TYPE_VIDEO) {
1936 c->pts_stream_index = i;
1941 if (c->fmt_in->iformat->read_seek) {
1942 c->fmt_in->iformat->read_seek(c->fmt_in, stream_pos);
1945 /* set the start time (needed for maxtime and RTP packet timing) */
1946 c->start_time = cur_time;
1947 c->first_pts = AV_NOPTS_VALUE;
1951 /* return the server clock (in us) */
1952 static int64_t get_server_clock(HTTPContext *c)
1954 /* compute current pts value from system time */
1955 return (int64_t)(cur_time - c->start_time) * 1000LL;
1958 /* return the estimated time at which the current packet must be sent
1960 static int64_t get_packet_send_clock(HTTPContext *c)
1962 int bytes_left, bytes_sent, frame_bytes;
1964 frame_bytes = c->cur_frame_bytes;
1965 if (frame_bytes <= 0) {
1968 bytes_left = c->buffer_end - c->buffer_ptr;
1969 bytes_sent = frame_bytes - bytes_left;
1970 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1975 static int http_prepare_data(HTTPContext *c)
1978 AVFormatContext *ctx;
1980 av_freep(&c->pb_buffer);
1982 case HTTPSTATE_SEND_DATA_HEADER:
1983 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1984 pstrcpy(c->fmt_ctx.author, sizeof(c->fmt_ctx.author),
1986 pstrcpy(c->fmt_ctx.comment, sizeof(c->fmt_ctx.comment),
1987 c->stream->comment);
1988 pstrcpy(c->fmt_ctx.copyright, sizeof(c->fmt_ctx.copyright),
1989 c->stream->copyright);
1990 pstrcpy(c->fmt_ctx.title, sizeof(c->fmt_ctx.title),
1993 /* open output stream by using specified codecs */
1994 c->fmt_ctx.oformat = c->stream->fmt;
1995 c->fmt_ctx.nb_streams = c->stream->nb_streams;
1996 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
1998 st = av_mallocz(sizeof(AVStream));
1999 c->fmt_ctx.streams[i] = st;
2000 /* if file or feed, then just take streams from FFStream struct */
2001 if (!c->stream->feed ||
2002 c->stream->feed == c->stream)
2003 memcpy(st, c->stream->streams[i], sizeof(AVStream));
2005 memcpy(st, c->stream->feed->streams[c->stream->feed_streams[i]],
2007 st->codec.frame_number = 0; /* XXX: should be done in
2008 AVStream, not in codec */
2009 /* I'm pretty sure that this is not correct...
2010 * However, without it, we crash
2012 st->codec.coded_frame = &dummy_frame;
2014 c->got_key_frame = 0;
2016 /* prepare header and save header data in a stream */
2017 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2018 /* XXX: potential leak */
2021 c->fmt_ctx.pb.is_streamed = 1;
2023 av_set_parameters(&c->fmt_ctx, NULL);
2024 av_write_header(&c->fmt_ctx);
2026 len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
2027 c->buffer_ptr = c->pb_buffer;
2028 c->buffer_end = c->pb_buffer + len;
2030 c->state = HTTPSTATE_SEND_DATA;
2031 c->last_packet_sent = 0;
2033 case HTTPSTATE_SEND_DATA:
2034 /* find a new packet */
2038 /* read a packet from the input stream */
2039 if (c->stream->feed) {
2040 ffm_set_write_index(c->fmt_in,
2041 c->stream->feed->feed_write_index,
2042 c->stream->feed->feed_size);
2045 if (c->stream->max_time &&
2046 c->stream->max_time + c->start_time - cur_time < 0) {
2047 /* We have timed out */
2048 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2051 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2052 if (c->stream->feed && c->stream->feed->feed_opened) {
2053 /* if coming from feed, it means we reached the end of the
2054 ffm file, so must wait for more data */
2055 c->state = HTTPSTATE_WAIT_FEED;
2056 return 1; /* state changed */
2058 if (c->stream->loop) {
2059 av_close_input_file(c->fmt_in);
2061 if (open_input_stream(c, "") < 0)
2066 /* must send trailer now because eof or error */
2067 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2071 /* update first pts if needed */
2072 if (c->first_pts == AV_NOPTS_VALUE) {
2073 c->first_pts = pkt.dts;
2074 c->start_time = cur_time;
2076 /* send it to the appropriate stream */
2077 if (c->stream->feed) {
2078 /* if coming from a feed, select the right stream */
2079 if (c->switch_pending) {
2080 c->switch_pending = 0;
2081 for(i=0;i<c->stream->nb_streams;i++) {
2082 if (c->switch_feed_streams[i] == pkt.stream_index) {
2083 if (pkt.flags & PKT_FLAG_KEY) {
2084 do_switch_stream(c, i);
2087 if (c->switch_feed_streams[i] >= 0) {
2088 c->switch_pending = 1;
2092 for(i=0;i<c->stream->nb_streams;i++) {
2093 if (c->feed_streams[i] == pkt.stream_index) {
2094 pkt.stream_index = i;
2095 if (pkt.flags & PKT_FLAG_KEY) {
2096 c->got_key_frame |= 1 << i;
2098 /* See if we have all the key frames, then
2099 * we start to send. This logic is not quite
2100 * right, but it works for the case of a
2101 * single video stream with one or more
2102 * audio streams (for which every frame is
2103 * typically a key frame).
2105 if (!c->stream->send_on_key ||
2106 ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
2112 AVCodecContext *codec;
2115 /* specific handling for RTP: we use several
2116 output stream (one for each RTP
2117 connection). XXX: need more abstract handling */
2118 if (c->is_packetized) {
2120 /* compute send time and duration */
2121 st = c->fmt_in->streams[pkt.stream_index];
2122 c->cur_pts = pkt.dts;
2123 if (st->start_time != AV_NOPTS_VALUE)
2124 c->cur_pts -= st->start_time;
2125 c->cur_frame_duration = pkt.duration;
2127 printf("index=%d pts=%0.3f duration=%0.6f\n",
2129 (double)c->cur_pts /
2131 (double)c->cur_frame_duration /
2134 /* find RTP context */
2135 c->packet_stream_index = pkt.stream_index;
2136 ctx = c->rtp_ctx[c->packet_stream_index];
2138 av_free_packet(&pkt);
2141 codec = &ctx->streams[0]->codec;
2142 /* only one stream per RTP connection */
2143 pkt.stream_index = 0;
2147 codec = &ctx->streams[pkt.stream_index]->codec;
2150 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2151 if (c->is_packetized) {
2152 int max_packet_size;
2153 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2154 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2156 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2157 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2159 ret = url_open_dyn_buf(&ctx->pb);
2162 /* XXX: potential leak */
2165 if (av_write_frame(ctx, pkt.stream_index, pkt.data, pkt.size)) {
2166 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2169 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2170 c->cur_frame_bytes = len;
2171 c->buffer_ptr = c->pb_buffer;
2172 c->buffer_end = c->pb_buffer + len;
2174 codec->frame_number++;
2178 av_free_packet(&pkt);
2184 case HTTPSTATE_SEND_DATA_TRAILER:
2185 /* last packet test ? */
2186 if (c->last_packet_sent || c->is_packetized)
2189 /* prepare header */
2190 if (url_open_dyn_buf(&ctx->pb) < 0) {
2191 /* XXX: potential leak */
2194 av_write_trailer(ctx);
2195 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2196 c->buffer_ptr = c->pb_buffer;
2197 c->buffer_end = c->pb_buffer + len;
2199 c->last_packet_sent = 1;
2206 #define SHORT_TERM_BANDWIDTH 8000000
2208 /* should convert the format at the same time */
2209 /* send data starting at c->buffer_ptr to the output connection
2210 (either UDP or TCP connection) */
2211 static int http_send_data(HTTPContext *c)
2216 if (c->buffer_ptr >= c->buffer_end) {
2217 ret = http_prepare_data(c);
2220 else if (ret != 0) {
2221 /* state change requested */
2225 if (c->is_packetized) {
2226 /* RTP data output */
2227 len = c->buffer_end - c->buffer_ptr;
2229 /* fail safe - should never happen */
2231 c->buffer_ptr = c->buffer_end;
2234 len = (c->buffer_ptr[0] << 24) |
2235 (c->buffer_ptr[1] << 16) |
2236 (c->buffer_ptr[2] << 8) |
2238 if (len > (c->buffer_end - c->buffer_ptr))
2240 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2241 /* nothing to send yet: we can wait */
2245 c->data_count += len;
2246 update_datarate(&c->datarate, c->data_count);
2248 c->stream->bytes_served += len;
2250 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2251 /* RTP packets are sent inside the RTSP TCP connection */
2252 ByteIOContext pb1, *pb = &pb1;
2253 int interleaved_index, size;
2255 HTTPContext *rtsp_c;
2258 /* if no RTSP connection left, error */
2261 /* if already sending something, then wait. */
2262 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
2265 if (url_open_dyn_buf(pb) < 0)
2267 interleaved_index = c->packet_stream_index * 2;
2268 /* RTCP packets are sent at odd indexes */
2269 if (c->buffer_ptr[1] == 200)
2270 interleaved_index++;
2271 /* write RTSP TCP header */
2273 header[1] = interleaved_index;
2274 header[2] = len >> 8;
2276 put_buffer(pb, header, 4);
2277 /* write RTP packet data */
2279 put_buffer(pb, c->buffer_ptr, len);
2280 size = url_close_dyn_buf(pb, &c->packet_buffer);
2281 /* prepare asynchronous TCP sending */
2282 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2283 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2284 c->buffer_ptr += len;
2286 /* send everything we can NOW */
2287 len = write(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2288 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr);
2290 rtsp_c->packet_buffer_ptr += len;
2292 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2293 /* if we could not send all the data, we will
2294 send it later, so a new state is needed to
2295 "lock" the RTSP TCP connection */
2296 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2299 /* all data has been sent */
2300 av_freep(&c->packet_buffer);
2303 /* send RTP packet directly in UDP */
2305 url_write(c->rtp_handles[c->packet_stream_index],
2306 c->buffer_ptr, len);
2307 c->buffer_ptr += len;
2308 /* here we continue as we can send several packets per 10 ms slot */
2311 /* TCP data output */
2312 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2314 if (errno != EAGAIN && errno != EINTR) {
2315 /* error : close connection */
2321 c->buffer_ptr += len;
2323 c->data_count += len;
2324 update_datarate(&c->datarate, c->data_count);
2326 c->stream->bytes_served += len;
2334 static int http_start_receive_data(HTTPContext *c)
2338 if (c->stream->feed_opened)
2341 /* Don't permit writing to this one */
2342 if (c->stream->readonly)
2346 fd = open(c->stream->feed_filename, O_RDWR);
2351 c->stream->feed_write_index = ffm_read_write_index(fd);
2352 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2353 lseek(fd, 0, SEEK_SET);
2355 /* init buffer input */
2356 c->buffer_ptr = c->buffer;
2357 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2358 c->stream->feed_opened = 1;
2362 static int http_receive_data(HTTPContext *c)
2366 if (c->buffer_end > c->buffer_ptr) {
2369 len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2371 if (errno != EAGAIN && errno != EINTR) {
2372 /* error : close connection */
2375 } else if (len == 0) {
2376 /* end of connection : close it */
2379 c->buffer_ptr += len;
2380 c->data_count += len;
2381 update_datarate(&c->datarate, c->data_count);
2385 if (c->buffer_ptr >= c->buffer_end) {
2386 FFStream *feed = c->stream;
2387 /* a packet has been received : write it in the store, except
2389 if (c->data_count > FFM_PACKET_SIZE) {
2391 // printf("writing pos=0x%Lx size=0x%Lx\n", feed->feed_write_index, feed->feed_size);
2392 /* XXX: use llseek or url_seek */
2393 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2394 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2396 feed->feed_write_index += FFM_PACKET_SIZE;
2397 /* update file size */
2398 if (feed->feed_write_index > c->stream->feed_size)
2399 feed->feed_size = feed->feed_write_index;
2401 /* handle wrap around if max file size reached */
2402 if (feed->feed_write_index >= c->stream->feed_max_size)
2403 feed->feed_write_index = FFM_PACKET_SIZE;
2406 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2408 /* wake up any waiting connections */
2409 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2410 if (c1->state == HTTPSTATE_WAIT_FEED &&
2411 c1->stream->feed == c->stream->feed) {
2412 c1->state = HTTPSTATE_SEND_DATA;
2416 /* We have a header in our hands that contains useful data */
2418 AVInputFormat *fmt_in;
2419 ByteIOContext *pb = &s.pb;
2422 memset(&s, 0, sizeof(s));
2424 url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2425 pb->buf_end = c->buffer_end; /* ?? */
2426 pb->is_streamed = 1;
2428 /* use feed output format name to find corresponding input format */
2429 fmt_in = av_find_input_format(feed->fmt->name);
2433 if (fmt_in->priv_data_size > 0) {
2434 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2440 if (fmt_in->read_header(&s, 0) < 0) {
2441 av_freep(&s.priv_data);
2445 /* Now we have the actual streams */
2446 if (s.nb_streams != feed->nb_streams) {
2447 av_freep(&s.priv_data);
2450 for (i = 0; i < s.nb_streams; i++) {
2451 memcpy(&feed->streams[i]->codec,
2452 &s.streams[i]->codec, sizeof(AVCodecContext));
2454 av_freep(&s.priv_data);
2456 c->buffer_ptr = c->buffer;
2461 c->stream->feed_opened = 0;
2466 /********************************************************************/
2469 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2476 switch(error_number) {
2477 #define DEF(n, c, s) case c: str = s; break;
2478 #include "rtspcodes.h"
2481 str = "Unknown Error";
2485 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2486 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2488 /* output GMT time */
2492 p = buf2 + strlen(p) - 1;
2495 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2498 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2500 rtsp_reply_header(c, error_number);
2501 url_fprintf(c->pb, "\r\n");
2504 static int rtsp_parse_request(HTTPContext *c)
2506 const char *p, *p1, *p2;
2513 RTSPHeader header1, *header = &header1;
2515 c->buffer_ptr[0] = '\0';
2518 get_word(cmd, sizeof(cmd), &p);
2519 get_word(url, sizeof(url), &p);
2520 get_word(protocol, sizeof(protocol), &p);
2522 pstrcpy(c->method, sizeof(c->method), cmd);
2523 pstrcpy(c->url, sizeof(c->url), url);
2524 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
2527 if (url_open_dyn_buf(c->pb) < 0) {
2528 /* XXX: cannot do more */
2529 c->pb = NULL; /* safety */
2533 /* check version name */
2534 if (strcmp(protocol, "RTSP/1.0") != 0) {
2535 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2539 /* parse each header line */
2540 memset(header, 0, sizeof(RTSPHeader));
2541 /* skip to next line */
2542 while (*p != '\n' && *p != '\0')
2546 while (*p != '\0') {
2547 p1 = strchr(p, '\n');
2551 if (p2 > p && p2[-1] == '\r')
2553 /* skip empty line */
2557 if (len > sizeof(line) - 1)
2558 len = sizeof(line) - 1;
2559 memcpy(line, p, len);
2561 rtsp_parse_line(header, line);
2565 /* handle sequence number */
2566 c->seq = header->seq;
2568 if (!strcmp(cmd, "DESCRIBE")) {
2569 rtsp_cmd_describe(c, url);
2570 } else if (!strcmp(cmd, "OPTIONS")) {
2571 rtsp_cmd_options(c, url);
2572 } else if (!strcmp(cmd, "SETUP")) {
2573 rtsp_cmd_setup(c, url, header);
2574 } else if (!strcmp(cmd, "PLAY")) {
2575 rtsp_cmd_play(c, url, header);
2576 } else if (!strcmp(cmd, "PAUSE")) {
2577 rtsp_cmd_pause(c, url, header);
2578 } else if (!strcmp(cmd, "TEARDOWN")) {
2579 rtsp_cmd_teardown(c, url, header);
2581 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2584 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2585 c->pb = NULL; /* safety */
2587 /* XXX: cannot do more */
2590 c->buffer_ptr = c->pb_buffer;
2591 c->buffer_end = c->pb_buffer + len;
2592 c->state = RTSPSTATE_SEND_REPLY;
2596 /* XXX: move that to rtsp.c, but would need to replace FFStream by
2598 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2599 struct in_addr my_ip)
2601 ByteIOContext pb1, *pb = &pb1;
2602 int i, payload_type, port, private_payload_type, j;
2603 const char *ipstr, *title, *mediatype;
2606 if (url_open_dyn_buf(pb) < 0)
2609 /* general media info */
2611 url_fprintf(pb, "v=0\n");
2612 ipstr = inet_ntoa(my_ip);
2613 url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
2614 title = stream->title;
2615 if (title[0] == '\0')
2617 url_fprintf(pb, "s=%s\n", title);
2618 if (stream->comment[0] != '\0')
2619 url_fprintf(pb, "i=%s\n", stream->comment);
2620 if (stream->is_multicast) {
2621 url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
2623 /* for each stream, we output the necessary info */
2624 private_payload_type = RTP_PT_PRIVATE;
2625 for(i = 0; i < stream->nb_streams; i++) {
2626 st = stream->streams[i];
2627 if (st->codec.codec_id == CODEC_ID_MPEG2TS) {
2628 mediatype = "video";
2630 switch(st->codec.codec_type) {
2631 case CODEC_TYPE_AUDIO:
2632 mediatype = "audio";
2634 case CODEC_TYPE_VIDEO:
2635 mediatype = "video";
2638 mediatype = "application";
2642 /* NOTE: the port indication is not correct in case of
2643 unicast. It is not an issue because RTSP gives it */
2644 payload_type = rtp_get_payload_type(&st->codec);
2645 if (payload_type < 0)
2646 payload_type = private_payload_type++;
2647 if (stream->is_multicast) {
2648 port = stream->multicast_port + 2 * i;
2652 url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
2653 mediatype, port, payload_type);
2654 if (payload_type >= RTP_PT_PRIVATE) {
2655 /* for private payload type, we need to give more info */
2656 switch(st->codec.codec_id) {
2657 case CODEC_ID_MPEG4:
2660 url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
2661 payload_type, 90000);
2662 /* we must also add the mpeg4 header */
2663 data = st->codec.extradata;
2665 url_fprintf(pb, "a=fmtp:%d config=", payload_type);
2666 for(j=0;j<st->codec.extradata_size;j++) {
2667 url_fprintf(pb, "%02x", data[j]);
2669 url_fprintf(pb, "\n");
2674 /* XXX: add other codecs ? */
2678 url_fprintf(pb, "a=control:streamid=%d\n", i);
2680 return url_close_dyn_buf(pb, pbuffer);
2682 url_close_dyn_buf(pb, pbuffer);
2687 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2689 // rtsp_reply_header(c, RTSP_STATUS_OK);
2690 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2691 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2692 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2693 url_fprintf(c->pb, "\r\n");
2696 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2702 int content_length, len;
2703 struct sockaddr_in my_addr;
2705 /* find which url is asked */
2706 url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2711 for(stream = first_stream; stream != NULL; stream = stream->next) {
2712 if (!stream->is_feed && stream->fmt == &rtp_mux &&
2713 !strcmp(path, stream->filename)) {
2717 /* no stream found */
2718 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2722 /* prepare the media description in sdp format */
2724 /* get the host IP */
2725 len = sizeof(my_addr);
2726 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2727 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2728 if (content_length < 0) {
2729 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2732 rtsp_reply_header(c, RTSP_STATUS_OK);
2733 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2734 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2735 url_fprintf(c->pb, "\r\n");
2736 put_buffer(c->pb, content, content_length);
2739 static HTTPContext *find_rtp_session(const char *session_id)
2743 if (session_id[0] == '\0')
2746 for(c = first_http_ctx; c != NULL; c = c->next) {
2747 if (!strcmp(c->session_id, session_id))
2753 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2755 RTSPTransportField *th;
2758 for(i=0;i<h->nb_transports;i++) {
2759 th = &h->transports[i];
2760 if (th->protocol == protocol)
2766 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2770 int stream_index, port;
2775 RTSPTransportField *th;
2776 struct sockaddr_in dest_addr;
2777 RTSPActionServerSetup setup;
2779 /* find which url is asked */
2780 url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2785 /* now check each stream */
2786 for(stream = first_stream; stream != NULL; stream = stream->next) {
2787 if (!stream->is_feed && stream->fmt == &rtp_mux) {
2788 /* accept aggregate filenames only if single stream */
2789 if (!strcmp(path, stream->filename)) {
2790 if (stream->nb_streams != 1) {
2791 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2798 for(stream_index = 0; stream_index < stream->nb_streams;
2800 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2801 stream->filename, stream_index);
2802 if (!strcmp(path, buf))
2807 /* no stream found */
2808 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2812 /* generate session id if needed */
2813 if (h->session_id[0] == '\0') {
2814 snprintf(h->session_id, sizeof(h->session_id),
2815 "%08x%08x", (int)random(), (int)random());
2818 /* find rtp session, and create it if none found */
2819 rtp_c = find_rtp_session(h->session_id);
2821 /* always prefer UDP */
2822 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2824 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2826 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2831 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2834 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2838 /* open input stream */
2839 if (open_input_stream(rtp_c, "") < 0) {
2840 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2845 /* test if stream is OK (test needed because several SETUP needs
2846 to be done for a given file) */
2847 if (rtp_c->stream != stream) {
2848 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2852 /* test if stream is already set up */
2853 if (rtp_c->rtp_ctx[stream_index]) {
2854 rtsp_reply_error(c, RTSP_STATUS_STATE);
2858 /* check transport */
2859 th = find_transport(h, rtp_c->rtp_protocol);
2860 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2861 th->client_port_min <= 0)) {
2862 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2866 /* setup default options */
2867 setup.transport_option[0] = '\0';
2868 dest_addr = rtp_c->from_addr;
2869 dest_addr.sin_port = htons(th->client_port_min);
2871 /* add transport option if needed */
2872 if (ff_rtsp_callback) {
2873 setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
2874 if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
2875 (char *)&setup, sizeof(setup),
2876 stream->rtsp_option) < 0) {
2877 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2880 dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
2884 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2885 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2889 /* now everything is OK, so we can send the connection parameters */
2890 rtsp_reply_header(c, RTSP_STATUS_OK);
2892 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2894 switch(rtp_c->rtp_protocol) {
2895 case RTSP_PROTOCOL_RTP_UDP:
2896 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2897 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2898 "client_port=%d-%d;server_port=%d-%d",
2899 th->client_port_min, th->client_port_min + 1,
2902 case RTSP_PROTOCOL_RTP_TCP:
2903 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2904 stream_index * 2, stream_index * 2 + 1);
2909 if (setup.transport_option[0] != '\0') {
2910 url_fprintf(c->pb, ";%s", setup.transport_option);
2912 url_fprintf(c->pb, "\r\n");
2915 url_fprintf(c->pb, "\r\n");
2919 /* find an rtp connection by using the session ID. Check consistency
2921 static HTTPContext *find_rtp_session_with_url(const char *url,
2922 const char *session_id)
2930 rtp_c = find_rtp_session(session_id);
2934 /* find which url is asked */
2935 url_split(NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2939 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2940 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2941 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2942 rtp_c->stream->filename, s);
2943 if(!strncmp(path, buf, sizeof(buf))) {
2944 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2951 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2955 rtp_c = find_rtp_session_with_url(url, h->session_id);
2957 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2961 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2962 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2963 rtp_c->state != HTTPSTATE_READY) {
2964 rtsp_reply_error(c, RTSP_STATUS_STATE);
2969 /* XXX: seek in stream */
2970 if (h->range_start != AV_NOPTS_VALUE) {
2971 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2972 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2976 rtp_c->state = HTTPSTATE_SEND_DATA;
2978 /* now everything is OK, so we can send the connection parameters */
2979 rtsp_reply_header(c, RTSP_STATUS_OK);
2981 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2982 url_fprintf(c->pb, "\r\n");
2985 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
2989 rtp_c = find_rtp_session_with_url(url, h->session_id);
2991 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2995 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2996 rtp_c->state != HTTPSTATE_WAIT_FEED) {
2997 rtsp_reply_error(c, RTSP_STATUS_STATE);
3001 rtp_c->state = HTTPSTATE_READY;
3002 rtp_c->first_pts = AV_NOPTS_VALUE;
3003 /* now everything is OK, so we can send the connection parameters */
3004 rtsp_reply_header(c, RTSP_STATUS_OK);
3006 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3007 url_fprintf(c->pb, "\r\n");
3010 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3014 rtp_c = find_rtp_session_with_url(url, h->session_id);
3016 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3020 /* abort the session */
3021 close_connection(rtp_c);
3023 if (ff_rtsp_callback) {
3024 ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
3026 rtp_c->stream->rtsp_option);
3029 /* now everything is OK, so we can send the connection parameters */
3030 rtsp_reply_header(c, RTSP_STATUS_OK);
3032 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3033 url_fprintf(c->pb, "\r\n");
3037 /********************************************************************/
3040 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3041 FFStream *stream, const char *session_id,
3042 enum RTSPProtocol rtp_protocol)
3044 HTTPContext *c = NULL;
3045 const char *proto_str;
3047 /* XXX: should output a warning page when coming
3048 close to the connection limit */
3049 if (nb_connections >= nb_max_connections)
3052 /* add a new connection */
3053 c = av_mallocz(sizeof(HTTPContext));
3058 c->poll_entry = NULL;
3059 c->from_addr = *from_addr;
3060 c->buffer_size = IOBUFFER_INIT_SIZE;
3061 c->buffer = av_malloc(c->buffer_size);
3066 pstrcpy(c->session_id, sizeof(c->session_id), session_id);
3067 c->state = HTTPSTATE_READY;
3068 c->is_packetized = 1;
3069 c->rtp_protocol = rtp_protocol;
3071 /* protocol is shown in statistics */
3072 switch(c->rtp_protocol) {
3073 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3074 proto_str = "MCAST";
3076 case RTSP_PROTOCOL_RTP_UDP:
3079 case RTSP_PROTOCOL_RTP_TCP:
3086 pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
3087 pstrcat(c->protocol, sizeof(c->protocol), proto_str);
3089 current_bandwidth += stream->bandwidth;
3091 c->next = first_http_ctx;
3103 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3104 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3106 static int rtp_new_av_stream(HTTPContext *c,
3107 int stream_index, struct sockaddr_in *dest_addr,
3108 HTTPContext *rtsp_c)
3110 AVFormatContext *ctx;
3116 int max_packet_size;
3118 /* now we can open the relevant output stream */
3119 ctx = av_mallocz(sizeof(AVFormatContext));
3122 ctx->oformat = &rtp_mux;
3124 st = av_mallocz(sizeof(AVStream));
3127 ctx->nb_streams = 1;
3128 ctx->streams[0] = st;
3130 if (!c->stream->feed ||
3131 c->stream->feed == c->stream) {
3132 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3135 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3139 /* build destination RTP address */
3140 ipaddr = inet_ntoa(dest_addr->sin_addr);
3142 switch(c->rtp_protocol) {
3143 case RTSP_PROTOCOL_RTP_UDP:
3144 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3147 /* XXX: also pass as parameter to function ? */
3148 if (c->stream->is_multicast) {
3150 ttl = c->stream->multicast_ttl;
3153 snprintf(ctx->filename, sizeof(ctx->filename),
3154 "rtp://%s:%d?multicast=1&ttl=%d",
3155 ipaddr, ntohs(dest_addr->sin_port), ttl);
3157 snprintf(ctx->filename, sizeof(ctx->filename),
3158 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3161 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3163 c->rtp_handles[stream_index] = h;
3164 max_packet_size = url_get_max_packet_size(h);
3166 case RTSP_PROTOCOL_RTP_TCP:
3169 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3175 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3176 ipaddr, ntohs(dest_addr->sin_port),
3178 c->stream->filename, stream_index, c->protocol);
3180 /* normally, no packets should be output here, but the packet size may be checked */
3181 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3182 /* XXX: close stream */
3185 av_set_parameters(ctx, NULL);
3186 if (av_write_header(ctx) < 0) {
3193 url_close_dyn_buf(&ctx->pb, &dummy_buf);
3196 c->rtp_ctx[stream_index] = ctx;
3200 /********************************************************************/
3201 /* ffserver initialization */
3203 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3207 fst = av_mallocz(sizeof(AVStream));
3210 fst->priv_data = av_mallocz(sizeof(FeedData));
3211 memcpy(&fst->codec, codec, sizeof(AVCodecContext));
3212 fst->codec.coded_frame = &dummy_frame;
3213 stream->streams[stream->nb_streams++] = fst;
3217 /* return the stream number in the feed */
3218 static int add_av_stream(FFStream *feed, AVStream *st)
3221 AVCodecContext *av, *av1;
3225 for(i=0;i<feed->nb_streams;i++) {
3226 st = feed->streams[i];
3228 if (av1->codec_id == av->codec_id &&
3229 av1->codec_type == av->codec_type &&
3230 av1->bit_rate == av->bit_rate) {
3232 switch(av->codec_type) {
3233 case CODEC_TYPE_AUDIO:
3234 if (av1->channels == av->channels &&
3235 av1->sample_rate == av->sample_rate)
3238 case CODEC_TYPE_VIDEO:
3239 if (av1->width == av->width &&
3240 av1->height == av->height &&
3241 av1->frame_rate == av->frame_rate &&
3242 av1->frame_rate_base == av->frame_rate_base &&
3243 av1->gop_size == av->gop_size)
3252 fst = add_av_stream1(feed, av);
3255 return feed->nb_streams - 1;
3260 static void remove_stream(FFStream *stream)
3264 while (*ps != NULL) {
3265 if (*ps == stream) {
3273 /* specific mpeg4 handling : we extract the raw parameters */
3274 static void extract_mpeg4_header(AVFormatContext *infile)
3276 int mpeg4_count, i, size;
3282 for(i=0;i<infile->nb_streams;i++) {
3283 st = infile->streams[i];
3284 if (st->codec.codec_id == CODEC_ID_MPEG4 &&
3285 st->codec.extradata_size == 0) {
3292 printf("MPEG4 without extra data: trying to find header\n");
3293 while (mpeg4_count > 0) {
3294 if (av_read_packet(infile, &pkt) < 0)
3296 st = infile->streams[pkt.stream_index];
3297 if (st->codec.codec_id == CODEC_ID_MPEG4 &&
3298 st->codec.extradata_size == 0) {
3299 av_freep(&st->codec.extradata);
3300 /* fill extradata with the header */
3301 /* XXX: we make hard suppositions here ! */
3303 while (p < pkt.data + pkt.size - 4) {
3304 /* stop when vop header is found */
3305 if (p[0] == 0x00 && p[1] == 0x00 &&
3306 p[2] == 0x01 && p[3] == 0xb6) {
3307 size = p - pkt.data;
3308 // av_hex_dump(pkt.data, size);
3309 st->codec.extradata = av_malloc(size);
3310 st->codec.extradata_size = size;
3311 memcpy(st->codec.extradata, pkt.data, size);
3318 av_free_packet(&pkt);
3322 /* compute the needed AVStream for each file */
3323 static void build_file_streams(void)
3325 FFStream *stream, *stream_next;
3326 AVFormatContext *infile;
3329 /* gather all streams */
3330 for(stream = first_stream; stream != NULL; stream = stream_next) {
3331 stream_next = stream->next;
3332 if (stream->stream_type == STREAM_TYPE_LIVE &&
3334 /* the stream comes from a file */
3335 /* try to open the file */
3337 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3338 if (stream->fmt == &rtp_mux) {
3339 /* specific case : if transport stream output to RTP,
3340 we use a raw transport stream reader */
3341 stream->ap_in->mpeg2ts_raw = 1;
3342 stream->ap_in->mpeg2ts_compute_pcr = 1;
3345 if (av_open_input_file(&infile, stream->feed_filename,
3346 stream->ifmt, 0, stream->ap_in) < 0) {
3347 http_log("%s not found", stream->feed_filename);
3348 /* remove stream (no need to spend more time on it) */
3350 remove_stream(stream);
3352 /* find all the AVStreams inside and reference them in
3354 if (av_find_stream_info(infile) < 0) {
3355 http_log("Could not find codec parameters from '%s'",
3356 stream->feed_filename);
3357 av_close_input_file(infile);
3360 extract_mpeg4_header(infile);
3362 for(i=0;i<infile->nb_streams;i++) {
3363 add_av_stream1(stream, &infile->streams[i]->codec);
3365 av_close_input_file(infile);
3371 /* compute the needed AVStream for each feed */
3372 static void build_feed_streams(void)
3374 FFStream *stream, *feed;
3377 /* gather all streams */
3378 for(stream = first_stream; stream != NULL; stream = stream->next) {
3379 feed = stream->feed;
3381 if (!stream->is_feed) {
3382 /* we handle a stream coming from a feed */
3383 for(i=0;i<stream->nb_streams;i++) {
3384 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3390 /* gather all streams */
3391 for(stream = first_stream; stream != NULL; stream = stream->next) {
3392 feed = stream->feed;
3394 if (stream->is_feed) {
3395 for(i=0;i<stream->nb_streams;i++) {
3396 stream->feed_streams[i] = i;
3402 /* create feed files if needed */
3403 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3406 if (url_exist(feed->feed_filename)) {
3407 /* See if it matches */
3411 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3412 /* Now see if it matches */
3413 if (s->nb_streams == feed->nb_streams) {
3415 for(i=0;i<s->nb_streams;i++) {
3417 sf = feed->streams[i];
3420 if (sf->index != ss->index ||
3422 printf("Index & Id do not match for stream %d (%s)\n",
3423 i, feed->feed_filename);
3426 AVCodecContext *ccf, *ccs;
3430 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3432 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3433 printf("Codecs do not match for stream %d\n", i);
3435 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3436 printf("Codec bitrates do not match for stream %d\n", i);
3438 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3439 if (CHECK_CODEC(frame_rate) ||
3440 CHECK_CODEC(frame_rate_base) ||
3441 CHECK_CODEC(width) ||
3442 CHECK_CODEC(height)) {
3443 printf("Codec width, height and framerate do not match for stream %d\n", i);
3446 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3447 if (CHECK_CODEC(sample_rate) ||
3448 CHECK_CODEC(channels) ||
3449 CHECK_CODEC(frame_size)) {
3450 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3454 printf("Unknown codec type\n");
3463 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3464 feed->feed_filename, s->nb_streams, feed->nb_streams);
3467 av_close_input_file(s);
3469 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3470 feed->feed_filename);
3473 if (feed->readonly) {
3474 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3475 feed->feed_filename);
3478 unlink(feed->feed_filename);
3481 if (!url_exist(feed->feed_filename)) {
3482 AVFormatContext s1, *s = &s1;
3484 if (feed->readonly) {
3485 printf("Unable to create feed file '%s' as it is marked readonly\n",
3486 feed->feed_filename);
3490 /* only write the header of the ffm file */
3491 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3492 fprintf(stderr, "Could not open output feed file '%s'\n",
3493 feed->feed_filename);
3496 s->oformat = feed->fmt;
3497 s->nb_streams = feed->nb_streams;
3498 for(i=0;i<s->nb_streams;i++) {
3500 st = feed->streams[i];
3503 av_set_parameters(s, NULL);
3505 /* XXX: need better api */
3506 av_freep(&s->priv_data);
3509 /* get feed size and write index */
3510 fd = open(feed->feed_filename, O_RDONLY);
3512 fprintf(stderr, "Could not open output feed file '%s'\n",
3513 feed->feed_filename);
3517 feed->feed_write_index = ffm_read_write_index(fd);
3518 feed->feed_size = lseek(fd, 0, SEEK_END);
3519 /* ensure that we do not wrap before the end of file */
3520 if (feed->feed_max_size < feed->feed_size)
3521 feed->feed_max_size = feed->feed_size;
3527 /* compute the bandwidth used by each stream */
3528 static void compute_bandwidth(void)
3533 for(stream = first_stream; stream != NULL; stream = stream->next) {
3535 for(i=0;i<stream->nb_streams;i++) {
3536 AVStream *st = stream->streams[i];
3537 switch(st->codec.codec_type) {
3538 case CODEC_TYPE_AUDIO:
3539 case CODEC_TYPE_VIDEO:
3540 bandwidth += st->codec.bit_rate;
3546 stream->bandwidth = (bandwidth + 999) / 1000;
3550 static void get_arg(char *buf, int buf_size, const char **pp)
3557 while (isspace(*p)) p++;
3560 if (*p == '\"' || *p == '\'')
3572 if ((q - buf) < buf_size - 1)
3577 if (quote && *p == quote)
3582 /* add a codec and set the default parameters */
3583 static void add_codec(FFStream *stream, AVCodecContext *av)
3587 /* compute default parameters */
3588 switch(av->codec_type) {
3589 case CODEC_TYPE_AUDIO:
3590 if (av->bit_rate == 0)
3591 av->bit_rate = 64000;
3592 if (av->sample_rate == 0)
3593 av->sample_rate = 22050;
3594 if (av->channels == 0)
3597 case CODEC_TYPE_VIDEO:
3598 if (av->bit_rate == 0)
3599 av->bit_rate = 64000;
3600 if (av->frame_rate == 0){
3602 av->frame_rate_base = 1;
3604 if (av->width == 0 || av->height == 0) {
3608 /* Bitrate tolerance is less for streaming */
3609 if (av->bit_rate_tolerance == 0)
3610 av->bit_rate_tolerance = av->bit_rate / 4;
3615 if (av->max_qdiff == 0)
3617 av->qcompress = 0.5;
3621 av->rc_eq = "tex^qComp";
3622 if (!av->i_quant_factor)
3623 av->i_quant_factor = -0.8;
3624 if (!av->b_quant_factor)
3625 av->b_quant_factor = 1.25;
3626 if (!av->b_quant_offset)
3627 av->b_quant_offset = 1.25;
3628 if (!av->rc_min_rate)
3629 av->rc_min_rate = av->bit_rate / 2;
3630 if (!av->rc_max_rate)
3631 av->rc_max_rate = av->bit_rate * 2;
3638 st = av_mallocz(sizeof(AVStream));
3641 stream->streams[stream->nb_streams++] = st;
3642 memcpy(&st->codec, av, sizeof(AVCodecContext));
3645 static int opt_audio_codec(const char *arg)
3651 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3656 return CODEC_ID_NONE;
3662 static int opt_video_codec(const char *arg)
3668 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3673 return CODEC_ID_NONE;
3679 /* simplistic plugin support */
3681 #ifdef CONFIG_HAVE_DLOPEN
3682 void load_module(const char *filename)
3685 void (*init_func)(void);
3686 dll = dlopen(filename, RTLD_NOW);
3688 fprintf(stderr, "Could not load module '%s' - %s\n",
3689 filename, dlerror());
3693 init_func = dlsym(dll, "ffserver_module_init");
3696 "%s: init function 'ffserver_module_init()' not found\n",
3705 static int parse_ffconfig(const char *filename)
3712 int val, errors, line_num;
3713 FFStream **last_stream, *stream, *redirect;
3714 FFStream **last_feed, *feed;
3715 AVCodecContext audio_enc, video_enc;
3716 int audio_id, video_id;
3718 f = fopen(filename, "r");
3726 first_stream = NULL;
3727 last_stream = &first_stream;
3729 last_feed = &first_feed;
3733 audio_id = CODEC_ID_NONE;
3734 video_id = CODEC_ID_NONE;
3736 if (fgets(line, sizeof(line), f) == NULL)
3742 if (*p == '\0' || *p == '#')
3745 get_arg(cmd, sizeof(cmd), &p);
3747 if (!strcasecmp(cmd, "Port")) {
3748 get_arg(arg, sizeof(arg), &p);
3749 my_http_addr.sin_port = htons (atoi(arg));
3750 } else if (!strcasecmp(cmd, "BindAddress")) {
3751 get_arg(arg, sizeof(arg), &p);
3752 if (!inet_aton(arg, &my_http_addr.sin_addr)) {
3753 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3754 filename, line_num, arg);
3757 } else if (!strcasecmp(cmd, "NoDaemon")) {
3758 ffserver_daemon = 0;
3759 } else if (!strcasecmp(cmd, "RTSPPort")) {
3760 get_arg(arg, sizeof(arg), &p);
3761 my_rtsp_addr.sin_port = htons (atoi(arg));
3762 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3763 get_arg(arg, sizeof(arg), &p);
3764 if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
3765 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3766 filename, line_num, arg);
3769 } else if (!strcasecmp(cmd, "MaxClients")) {
3770 get_arg(arg, sizeof(arg), &p);
3772 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3773 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3774 filename, line_num, arg);
3777 nb_max_connections = val;
3779 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3780 get_arg(arg, sizeof(arg), &p);
3782 if (val < 10 || val > 100000) {
3783 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3784 filename, line_num, arg);
3787 max_bandwidth = val;
3789 } else if (!strcasecmp(cmd, "CustomLog")) {
3790 get_arg(logfilename, sizeof(logfilename), &p);
3791 } else if (!strcasecmp(cmd, "<Feed")) {
3792 /*********************************************/
3793 /* Feed related options */
3795 if (stream || feed) {
3796 fprintf(stderr, "%s:%d: Already in a tag\n",
3797 filename, line_num);
3799 feed = av_mallocz(sizeof(FFStream));
3800 /* add in stream list */
3801 *last_stream = feed;
3802 last_stream = &feed->next;
3803 /* add in feed list */
3805 last_feed = &feed->next_feed;
3807 get_arg(feed->filename, sizeof(feed->filename), &p);
3808 q = strrchr(feed->filename, '>');
3811 feed->fmt = guess_format("ffm", NULL, NULL);
3812 /* defaut feed file */
3813 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3814 "/tmp/%s.ffm", feed->filename);
3815 feed->feed_max_size = 5 * 1024 * 1024;
3817 feed->feed = feed; /* self feeding :-) */
3819 } else if (!strcasecmp(cmd, "Launch")) {
3823 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3825 feed->child_argv[0] = av_malloc(7);
3826 strcpy(feed->child_argv[0], "ffmpeg");
3828 for (i = 1; i < 62; i++) {
3831 get_arg(argbuf, sizeof(argbuf), &p);
3835 feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
3836 strcpy(feed->child_argv[i], argbuf);
3839 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3841 snprintf(feed->child_argv[i], 256, "http://127.0.0.1:%d/%s",
3842 ntohs(my_http_addr.sin_port), feed->filename);
3844 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3846 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3848 } else if (stream) {
3849 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3851 } else if (!strcasecmp(cmd, "File")) {
3853 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3854 } else if (stream) {
3855 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3857 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3862 get_arg(arg, sizeof(arg), &p);
3864 fsize = strtod(p1, (char **)&p1);
3865 switch(toupper(*p1)) {
3870 fsize *= 1024 * 1024;
3873 fsize *= 1024 * 1024 * 1024;
3876 feed->feed_max_size = (int64_t)fsize;
3878 } else if (!strcasecmp(cmd, "</Feed>")) {
3880 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3881 filename, line_num);
3885 /* Make sure that we start out clean */
3886 if (unlink(feed->feed_filename) < 0
3887 && errno != ENOENT) {
3888 fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
3889 filename, line_num, feed->feed_filename, strerror(errno));
3895 } else if (!strcasecmp(cmd, "<Stream")) {
3896 /*********************************************/
3897 /* Stream related options */
3899 if (stream || feed) {
3900 fprintf(stderr, "%s:%d: Already in a tag\n",
3901 filename, line_num);
3903 stream = av_mallocz(sizeof(FFStream));
3904 *last_stream = stream;
3905 last_stream = &stream->next;
3907 get_arg(stream->filename, sizeof(stream->filename), &p);
3908 q = strrchr(stream->filename, '>');
3911 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3912 memset(&audio_enc, 0, sizeof(AVCodecContext));
3913 memset(&video_enc, 0, sizeof(AVCodecContext));
3914 audio_id = CODEC_ID_NONE;
3915 video_id = CODEC_ID_NONE;
3917 audio_id = stream->fmt->audio_codec;
3918 video_id = stream->fmt->video_codec;
3921 } else if (!strcasecmp(cmd, "Feed")) {
3922 get_arg(arg, sizeof(arg), &p);
3927 while (sfeed != NULL) {
3928 if (!strcmp(sfeed->filename, arg))
3930 sfeed = sfeed->next_feed;
3933 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3934 filename, line_num, arg);
3936 stream->feed = sfeed;
3939 } else if (!strcasecmp(cmd, "Format")) {
3940 get_arg(arg, sizeof(arg), &p);
3941 if (!strcmp(arg, "status")) {
3942 stream->stream_type = STREAM_TYPE_STATUS;
3945 stream->stream_type = STREAM_TYPE_LIVE;
3946 /* jpeg cannot be used here, so use single frame jpeg */
3947 if (!strcmp(arg, "jpeg"))
3948 strcpy(arg, "singlejpeg");
3949 stream->fmt = guess_stream_format(arg, NULL, NULL);
3951 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3952 filename, line_num, arg);
3957 audio_id = stream->fmt->audio_codec;
3958 video_id = stream->fmt->video_codec;
3960 } else if (!strcasecmp(cmd, "InputFormat")) {
3961 stream->ifmt = av_find_input_format(arg);
3962 if (!stream->ifmt) {
3963 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3964 filename, line_num, arg);
3966 } else if (!strcasecmp(cmd, "FaviconURL")) {
3967 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3968 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3970 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3971 filename, line_num);
3974 } else if (!strcasecmp(cmd, "Author")) {
3976 get_arg(stream->author, sizeof(stream->author), &p);
3978 } else if (!strcasecmp(cmd, "Comment")) {
3980 get_arg(stream->comment, sizeof(stream->comment), &p);
3982 } else if (!strcasecmp(cmd, "Copyright")) {
3984 get_arg(stream->copyright, sizeof(stream->copyright), &p);
3986 } else if (!strcasecmp(cmd, "Title")) {
3988 get_arg(stream->title, sizeof(stream->title), &p);
3990 } else if (!strcasecmp(cmd, "Preroll")) {
3991 get_arg(arg, sizeof(arg), &p);
3993 stream->prebuffer = atof(arg) * 1000;
3995 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
3997 stream->send_on_key = 1;
3999 } else if (!strcasecmp(cmd, "AudioCodec")) {
4000 get_arg(arg, sizeof(arg), &p);
4001 audio_id = opt_audio_codec(arg);
4002 if (audio_id == CODEC_ID_NONE) {
4003 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4004 filename, line_num, arg);
4007 } else if (!strcasecmp(cmd, "VideoCodec")) {
4008 get_arg(arg, sizeof(arg), &p);
4009 video_id = opt_video_codec(arg);
4010 if (video_id == CODEC_ID_NONE) {
4011 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4012 filename, line_num, arg);
4015 } else if (!strcasecmp(cmd, "MaxTime")) {
4016 get_arg(arg, sizeof(arg), &p);
4018 stream->max_time = atof(arg) * 1000;
4020 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4021 get_arg(arg, sizeof(arg), &p);
4023 audio_enc.bit_rate = atoi(arg) * 1000;
4025 } else if (!strcasecmp(cmd, "AudioChannels")) {
4026 get_arg(arg, sizeof(arg), &p);
4028 audio_enc.channels = atoi(arg);
4030 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4031 get_arg(arg, sizeof(arg), &p);
4033 audio_enc.sample_rate = atoi(arg);
4035 } else if (!strcasecmp(cmd, "AudioQuality")) {
4036 get_arg(arg, sizeof(arg), &p);
4038 // audio_enc.quality = atof(arg) * 1000;
4040 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4042 int minrate, maxrate;
4044 get_arg(arg, sizeof(arg), &p);
4046 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4047 video_enc.rc_min_rate = minrate * 1000;
4048 video_enc.rc_max_rate = maxrate * 1000;
4050 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4051 filename, line_num, arg);
4055 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4057 get_arg(arg, sizeof(arg), &p);
4058 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4060 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4061 get_arg(arg, sizeof(arg), &p);
4063 video_enc.bit_rate = atoi(arg) * 1000;
4065 } else if (!strcasecmp(cmd, "VideoSize")) {
4066 get_arg(arg, sizeof(arg), &p);
4068 parse_image_size(&video_enc.width, &video_enc.height, arg);
4069 if ((video_enc.width % 16) != 0 ||
4070 (video_enc.height % 16) != 0) {
4071 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4072 filename, line_num);
4076 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4077 get_arg(arg, sizeof(arg), &p);
4079 video_enc.frame_rate_base= DEFAULT_FRAME_RATE_BASE;
4080 video_enc.frame_rate = (int)(strtod(arg, NULL) * video_enc.frame_rate_base);
4082 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4083 get_arg(arg, sizeof(arg), &p);
4085 video_enc.gop_size = atoi(arg);
4087 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4089 video_enc.gop_size = 1;
4091 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4093 video_enc.mb_decision = FF_MB_DECISION_BITS;
4095 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4097 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4098 video_enc.flags |= CODEC_FLAG_4MV;
4100 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4101 get_arg(arg, sizeof(arg), &p);
4103 video_enc.max_qdiff = atoi(arg);
4104 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4105 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4106 filename, line_num);
4110 } else if (!strcasecmp(cmd, "VideoQMax")) {
4111 get_arg(arg, sizeof(arg), &p);
4113 video_enc.qmax = atoi(arg);
4114 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4115 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4116 filename, line_num);
4120 } else if (!strcasecmp(cmd, "VideoQMin")) {
4121 get_arg(arg, sizeof(arg), &p);
4123 video_enc.qmin = atoi(arg);
4124 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4125 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4126 filename, line_num);
4130 } else if (!strcasecmp(cmd, "LumaElim")) {
4131 get_arg(arg, sizeof(arg), &p);
4133 video_enc.luma_elim_threshold = atoi(arg);
4135 } else if (!strcasecmp(cmd, "ChromaElim")) {
4136 get_arg(arg, sizeof(arg), &p);
4138 video_enc.chroma_elim_threshold = atoi(arg);
4140 } else if (!strcasecmp(cmd, "LumiMask")) {
4141 get_arg(arg, sizeof(arg), &p);
4143 video_enc.lumi_masking = atof(arg);
4145 } else if (!strcasecmp(cmd, "DarkMask")) {
4146 get_arg(arg, sizeof(arg), &p);
4148 video_enc.dark_masking = atof(arg);
4150 } else if (!strcasecmp(cmd, "NoVideo")) {
4151 video_id = CODEC_ID_NONE;
4152 } else if (!strcasecmp(cmd, "NoAudio")) {
4153 audio_id = CODEC_ID_NONE;
4154 } else if (!strcasecmp(cmd, "ACL")) {
4158 get_arg(arg, sizeof(arg), &p);
4159 if (strcasecmp(arg, "allow") == 0) {
4160 acl.action = IP_ALLOW;
4161 } else if (strcasecmp(arg, "deny") == 0) {
4162 acl.action = IP_DENY;
4164 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4165 filename, line_num, arg);
4169 get_arg(arg, sizeof(arg), &p);
4171 he = gethostbyname(arg);
4173 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4174 filename, line_num, arg);
4177 /* Only take the first */
4178 acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4179 acl.last = acl.first;
4182 get_arg(arg, sizeof(arg), &p);
4185 he = gethostbyname(arg);
4187 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4188 filename, line_num, arg);
4191 /* Only take the first */
4192 acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4197 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4198 IPAddressACL **naclp = 0;
4204 naclp = &stream->acl;
4208 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4209 filename, line_num);
4215 naclp = &(*naclp)->next;
4220 } else if (!strcasecmp(cmd, "RTSPOption")) {
4221 get_arg(arg, sizeof(arg), &p);
4223 av_freep(&stream->rtsp_option);
4224 /* XXX: av_strdup ? */
4225 stream->rtsp_option = av_malloc(strlen(arg) + 1);
4226 if (stream->rtsp_option) {
4227 strcpy(stream->rtsp_option, arg);
4230 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4231 get_arg(arg, sizeof(arg), &p);
4233 if (!inet_aton(arg, &stream->multicast_ip)) {
4234 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
4235 filename, line_num, arg);
4238 stream->is_multicast = 1;
4239 stream->loop = 1; /* default is looping */
4241 } else if (!strcasecmp(cmd, "MulticastPort")) {
4242 get_arg(arg, sizeof(arg), &p);
4244 stream->multicast_port = atoi(arg);
4246 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4247 get_arg(arg, sizeof(arg), &p);
4249 stream->multicast_ttl = atoi(arg);
4251 } else if (!strcasecmp(cmd, "NoLoop")) {
4255 } else if (!strcasecmp(cmd, "</Stream>")) {
4257 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4258 filename, line_num);
4261 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4262 if (audio_id != CODEC_ID_NONE) {
4263 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4264 audio_enc.codec_id = audio_id;
4265 add_codec(stream, &audio_enc);
4267 if (video_id != CODEC_ID_NONE) {
4268 video_enc.codec_type = CODEC_TYPE_VIDEO;
4269 video_enc.codec_id = video_id;
4270 add_codec(stream, &video_enc);
4274 } else if (!strcasecmp(cmd, "<Redirect")) {
4275 /*********************************************/
4277 if (stream || feed || redirect) {
4278 fprintf(stderr, "%s:%d: Already in a tag\n",
4279 filename, line_num);
4282 redirect = av_mallocz(sizeof(FFStream));
4283 *last_stream = redirect;
4284 last_stream = &redirect->next;
4286 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4287 q = strrchr(redirect->filename, '>');
4290 redirect->stream_type = STREAM_TYPE_REDIRECT;
4292 } else if (!strcasecmp(cmd, "URL")) {
4294 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4296 } else if (!strcasecmp(cmd, "</Redirect>")) {
4298 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4299 filename, line_num);
4302 if (!redirect->feed_filename[0]) {
4303 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4304 filename, line_num);
4308 } else if (!strcasecmp(cmd, "LoadModule")) {
4309 get_arg(arg, sizeof(arg), &p);
4310 #ifdef CONFIG_HAVE_DLOPEN
4313 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4314 filename, line_num, arg);
4318 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4319 filename, line_num, cmd);
4333 static void write_packet(FFCodec *ffenc,
4334 uint8_t *buf, int size)
4337 AVCodecContext *enc = &ffenc->enc;
4339 mk_header(&hdr, enc, size);
4340 wptr = http_fifo.wptr;
4341 fifo_write(&http_fifo, (uint8_t *)&hdr, sizeof(hdr), &wptr);
4342 fifo_write(&http_fifo, buf, size, &wptr);
4343 /* atomic modification of wptr */
4344 http_fifo.wptr = wptr;
4345 ffenc->data_count += size;
4346 ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
4350 static void show_banner(void)
4352 printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
4355 static void show_help(void)
4358 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4359 "Hyper fast multi format Audio/Video streaming server\n"
4361 "-L : print the LICENSE\n"
4363 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4367 static void show_license(void)
4371 "This library is free software; you can redistribute it and/or\n"
4372 "modify it under the terms of the GNU Lesser General Public\n"
4373 "License as published by the Free Software Foundation; either\n"
4374 "version 2 of the License, or (at your option) any later version.\n"
4376 "This library is distributed in the hope that it will be useful,\n"
4377 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4378 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4379 "Lesser General Public License for more details.\n"
4381 "You should have received a copy of the GNU Lesser General Public\n"
4382 "License along with this library; if not, write to the Free Software\n"
4383 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4387 static void handle_child_exit(int sig)
4392 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4395 for (feed = first_feed; feed; feed = feed->next) {
4396 if (feed->pid == pid) {
4397 int uptime = time(0) - feed->pid_start;
4400 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4403 /* Turn off any more restarts */
4404 feed->child_argv = 0;
4410 need_to_start_children = 1;
4413 int main(int argc, char **argv)
4415 const char *config_filename;
4417 struct sigaction sigact;
4421 config_filename = "/etc/ffserver.conf";
4423 my_program_name = argv[0];
4424 my_program_dir = getcwd(0, 0);
4425 ffserver_daemon = 1;
4428 c = getopt(argc, argv, "ndLh?f:");
4444 ffserver_daemon = 0;
4447 config_filename = optarg;
4454 putenv("http_proxy"); /* Kill the http_proxy */
4456 srandom(gettime_ms() + (getpid() << 16));
4458 /* address on which the server will handle HTTP connections */
4459 my_http_addr.sin_family = AF_INET;
4460 my_http_addr.sin_port = htons (8080);
4461 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4463 /* address on which the server will handle RTSP connections */
4464 my_rtsp_addr.sin_family = AF_INET;
4465 my_rtsp_addr.sin_port = htons (5454);
4466 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4468 nb_max_connections = 5;
4469 max_bandwidth = 1000;
4470 first_stream = NULL;
4471 logfilename[0] = '\0';
4473 memset(&sigact, 0, sizeof(sigact));
4474 sigact.sa_handler = handle_child_exit;
4475 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4476 sigaction(SIGCHLD, &sigact, 0);
4478 if (parse_ffconfig(config_filename) < 0) {
4479 fprintf(stderr, "Incorrect config file - exiting.\n");
4483 build_file_streams();
4485 build_feed_streams();
4487 compute_bandwidth();
4489 /* put the process in background and detach it from its TTY */
4490 if (ffserver_daemon) {
4497 } else if (pid > 0) {
4505 open("/dev/null", O_RDWR);
4506 if (strcmp(logfilename, "-") != 0) {
4516 signal(SIGPIPE, SIG_IGN);
4518 /* open log file if needed */
4519 if (logfilename[0] != '\0') {
4520 if (!strcmp(logfilename, "-"))
4523 logfile = fopen(logfilename, "w");
4526 if (http_server() < 0) {
4527 fprintf(stderr, "Could not start server\n");