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>
29 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
31 #include <sys/types.h>
32 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
38 #ifdef CONFIG_HAVE_DLFCN
44 /* maximum number of simultaneous HTTP connections */
45 #define HTTP_MAX_CONNECTIONS 2000
48 HTTPSTATE_WAIT_REQUEST,
49 HTTPSTATE_SEND_HEADER,
50 HTTPSTATE_SEND_DATA_HEADER,
51 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
52 HTTPSTATE_SEND_DATA_TRAILER,
53 HTTPSTATE_RECEIVE_DATA,
54 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
57 RTSPSTATE_WAIT_REQUEST,
59 RTSPSTATE_SEND_PACKET,
62 const char *http_state[] = {
78 #define IOBUFFER_INIT_SIZE 8192
80 /* coef for exponential mean for bitrate estimation in statistics */
83 /* timeouts are in ms */
84 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
85 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
87 #define SYNC_TIMEOUT (10 * 1000)
90 int64_t count1, count2;
94 /* context associated with one connection */
95 typedef struct HTTPContext {
97 int fd; /* socket file descriptor */
98 struct sockaddr_in from_addr; /* origin */
99 struct pollfd *poll_entry; /* used when polling */
101 uint8_t *buffer_ptr, *buffer_end;
103 struct HTTPContext *next;
104 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
108 /* input format handling */
109 AVFormatContext *fmt_in;
110 long start_time; /* In milliseconds - this wraps fairly often */
111 int64_t first_pts; /* initial pts value */
112 int64_t cur_pts; /* current pts value from the stream in us */
113 int64_t cur_frame_duration; /* duration of the current frame in us */
114 int cur_frame_bytes; /* output frame size, needed to compute
115 the time at which we send each
117 int pts_stream_index; /* stream we choose as clock reference */
118 int64_t cur_clock; /* current clock reference value in us */
119 /* output format handling */
120 struct FFStream *stream;
121 /* -1 is invalid stream */
122 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
123 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
125 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
126 int last_packet_sent; /* true if last data packet was sent */
128 DataRateData datarate;
135 int is_packetized; /* if true, the stream is packetized */
136 int packet_stream_index; /* current stream for output in state machine */
138 /* RTSP state specific */
139 uint8_t *pb_buffer; /* XXX: use that in all the code */
141 int seq; /* RTSP sequence number */
143 /* RTP state specific */
144 enum RTSPProtocol rtp_protocol;
145 char session_id[32]; /* session id */
146 AVFormatContext *rtp_ctx[MAX_STREAMS];
148 /* RTP/UDP specific */
149 URLContext *rtp_handles[MAX_STREAMS];
151 /* RTP/TCP specific */
152 struct HTTPContext *rtsp_c;
153 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
156 static AVFrame dummy_frame;
158 /* each generated stream is described here */
162 STREAM_TYPE_REDIRECT,
165 enum IPAddressAction {
170 typedef struct IPAddressACL {
171 struct IPAddressACL *next;
172 enum IPAddressAction action;
173 /* These are in host order */
174 struct in_addr first;
178 /* description of each stream of the ffserver.conf file */
179 typedef struct FFStream {
180 enum StreamType stream_type;
181 char filename[1024]; /* stream filename */
182 struct FFStream *feed; /* feed we are using (can be null if
184 AVFormatParameters *ap_in; /* input parameters */
185 AVInputFormat *ifmt; /* if non NULL, force input format */
189 int prebuffer; /* Number of millseconds early to start */
190 long max_time; /* Number of milliseconds to run */
192 AVStream *streams[MAX_STREAMS];
193 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
194 char feed_filename[1024]; /* file name of the feed storage, or
195 input file name for a stream */
200 pid_t pid; /* Of ffmpeg process */
201 time_t pid_start; /* Of ffmpeg process */
203 struct FFStream *next;
204 int bandwidth; /* bandwidth, in kbits/s */
207 /* multicast specific */
209 struct in_addr multicast_ip;
210 int multicast_port; /* first port used for multicast */
212 int loop; /* if true, send the stream in loops (only meaningful if file) */
215 int feed_opened; /* true if someone is writing to the feed */
216 int is_feed; /* true if it is a feed */
217 int readonly; /* True if writing is prohibited to the file */
219 int64_t bytes_served;
220 int64_t feed_max_size; /* maximum storage size */
221 int64_t feed_write_index; /* current write position in feed (it wraps round) */
222 int64_t feed_size; /* current size of feed */
223 struct FFStream *next_feed;
226 typedef struct FeedData {
227 long long data_count;
228 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
231 struct sockaddr_in my_http_addr;
232 struct sockaddr_in my_rtsp_addr;
234 char logfilename[1024];
235 HTTPContext *first_http_ctx;
236 FFStream *first_feed; /* contains only feeds */
237 FFStream *first_stream; /* contains all streams, including feeds */
239 static void new_connection(int server_fd, int is_rtsp);
240 static void close_connection(HTTPContext *c);
243 static int handle_connection(HTTPContext *c);
244 static int http_parse_request(HTTPContext *c);
245 static int http_send_data(HTTPContext *c);
246 static void compute_stats(HTTPContext *c);
247 static int open_input_stream(HTTPContext *c, const char *info);
248 static int http_start_receive_data(HTTPContext *c);
249 static int http_receive_data(HTTPContext *c);
252 static int rtsp_parse_request(HTTPContext *c);
253 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
254 static void rtsp_cmd_options(HTTPContext *c, const char *url);
255 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
256 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
257 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
258 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
261 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
262 struct in_addr my_ip);
265 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
266 FFStream *stream, const char *session_id,
267 enum RTSPProtocol rtp_protocol);
268 static int rtp_new_av_stream(HTTPContext *c,
269 int stream_index, struct sockaddr_in *dest_addr,
270 HTTPContext *rtsp_c);
272 static const char *my_program_name;
273 static const char *my_program_dir;
275 static int ffserver_debug;
276 static int ffserver_daemon;
277 static int no_launch;
278 static int need_to_start_children;
280 int nb_max_connections;
284 int current_bandwidth;
286 static long cur_time; // Making this global saves on passing it around everywhere
288 static long gettime_ms(void)
292 gettimeofday(&tv,NULL);
293 return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
296 static FILE *logfile = NULL;
298 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
304 vfprintf(logfile, fmt, ap);
310 static char *ctime1(char *buf2)
318 p = buf2 + strlen(p) - 1;
324 static void log_connection(HTTPContext *c)
331 http_log("%s - - [%s] \"%s %s %s\" %d %lld\n",
332 inet_ntoa(c->from_addr.sin_addr),
333 ctime1(buf2), c->method, c->url,
334 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
337 static void update_datarate(DataRateData *drd, int64_t count)
339 if (!drd->time1 && !drd->count1) {
340 drd->time1 = drd->time2 = cur_time;
341 drd->count1 = drd->count2 = count;
343 if (cur_time - drd->time2 > 5000) {
344 drd->time1 = drd->time2;
345 drd->count1 = drd->count2;
346 drd->time2 = cur_time;
352 /* In bytes per second */
353 static int compute_datarate(DataRateData *drd, int64_t count)
355 if (cur_time == drd->time1)
358 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
361 static int get_longterm_datarate(DataRateData *drd, int64_t count)
363 /* You get the first 3 seconds flat out */
364 if (cur_time - drd->time1 < 3000)
366 return compute_datarate(drd, count);
370 static void start_children(FFStream *feed)
375 for (; feed; feed = feed->next) {
376 if (feed->child_argv && !feed->pid) {
377 feed->pid_start = time(0);
382 fprintf(stderr, "Unable to create children\n");
391 for (i = 3; i < 256; i++) {
395 if (!ffserver_debug) {
396 i = open("/dev/null", O_RDWR);
405 pstrcpy(pathname, sizeof(pathname), my_program_name);
407 slash = strrchr(pathname, '/');
413 strcpy(slash, "ffmpeg");
415 /* This is needed to make relative pathnames work */
416 chdir(my_program_dir);
418 signal(SIGPIPE, SIG_DFL);
420 execvp(pathname, feed->child_argv);
428 /* open a listening socket */
429 static int socket_open_listen(struct sockaddr_in *my_addr)
433 server_fd = socket(AF_INET,SOCK_STREAM,0);
440 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
442 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
444 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
450 if (listen (server_fd, 5) < 0) {
455 fcntl(server_fd, F_SETFL, O_NONBLOCK);
460 /* start all multicast streams */
461 static void start_multicast(void)
466 struct sockaddr_in dest_addr;
467 int default_port, stream_index;
470 for(stream = first_stream; stream != NULL; stream = stream->next) {
471 if (stream->is_multicast) {
472 /* open the RTP connection */
473 snprintf(session_id, sizeof(session_id),
474 "%08x%08x", (int)random(), (int)random());
476 /* choose a port if none given */
477 if (stream->multicast_port == 0) {
478 stream->multicast_port = default_port;
482 dest_addr.sin_family = AF_INET;
483 dest_addr.sin_addr = stream->multicast_ip;
484 dest_addr.sin_port = htons(stream->multicast_port);
486 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
487 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
491 if (open_input_stream(rtp_c, "") < 0) {
492 fprintf(stderr, "Could not open input stream for stream '%s'\n",
497 /* open each RTP stream */
498 for(stream_index = 0; stream_index < stream->nb_streams;
500 dest_addr.sin_port = htons(stream->multicast_port +
502 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
503 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
504 stream->filename, stream_index);
509 /* change state to send data */
510 rtp_c->state = HTTPSTATE_SEND_DATA;
515 /* main loop of the http server */
516 static int http_server(void)
518 int server_fd, ret, rtsp_server_fd, delay, delay1;
519 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
520 HTTPContext *c, *c_next;
522 server_fd = socket_open_listen(&my_http_addr);
526 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
527 if (rtsp_server_fd < 0)
530 http_log("ffserver started.\n");
532 start_children(first_feed);
534 first_http_ctx = NULL;
540 poll_entry = poll_table;
541 poll_entry->fd = server_fd;
542 poll_entry->events = POLLIN;
545 poll_entry->fd = rtsp_server_fd;
546 poll_entry->events = POLLIN;
549 /* wait for events on each HTTP handle */
556 case HTTPSTATE_SEND_HEADER:
557 case RTSPSTATE_SEND_REPLY:
558 case RTSPSTATE_SEND_PACKET:
559 c->poll_entry = poll_entry;
561 poll_entry->events = POLLOUT;
564 case HTTPSTATE_SEND_DATA_HEADER:
565 case HTTPSTATE_SEND_DATA:
566 case HTTPSTATE_SEND_DATA_TRAILER:
567 if (!c->is_packetized) {
568 /* for TCP, we output as much as we can (may need to put a limit) */
569 c->poll_entry = poll_entry;
571 poll_entry->events = POLLOUT;
574 /* when ffserver is doing the timing, we work by
575 looking at which packet need to be sent every
577 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
582 case HTTPSTATE_WAIT_REQUEST:
583 case HTTPSTATE_RECEIVE_DATA:
584 case HTTPSTATE_WAIT_FEED:
585 case RTSPSTATE_WAIT_REQUEST:
586 /* need to catch errors */
587 c->poll_entry = poll_entry;
589 poll_entry->events = POLLIN;/* Maybe this will work */
593 c->poll_entry = NULL;
599 /* wait for an event on one connection. We poll at least every
600 second to handle timeouts */
602 ret = poll(poll_table, poll_entry - poll_table, delay);
603 if (ret < 0 && errno != EAGAIN && errno != EINTR)
607 cur_time = gettime_ms();
609 if (need_to_start_children) {
610 need_to_start_children = 0;
611 start_children(first_feed);
614 /* now handle the events */
615 for(c = first_http_ctx; c != NULL; c = c_next) {
617 if (handle_connection(c) < 0) {
618 /* close and free the connection */
624 poll_entry = poll_table;
625 /* new HTTP connection request ? */
626 if (poll_entry->revents & POLLIN) {
627 new_connection(server_fd, 0);
630 /* new RTSP connection request ? */
631 if (poll_entry->revents & POLLIN) {
632 new_connection(rtsp_server_fd, 1);
637 /* start waiting for a new HTTP/RTSP request */
638 static void start_wait_request(HTTPContext *c, int is_rtsp)
640 c->buffer_ptr = c->buffer;
641 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
644 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
645 c->state = RTSPSTATE_WAIT_REQUEST;
647 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
648 c->state = HTTPSTATE_WAIT_REQUEST;
652 static void new_connection(int server_fd, int is_rtsp)
654 struct sockaddr_in from_addr;
656 HTTPContext *c = NULL;
658 len = sizeof(from_addr);
659 fd = accept(server_fd, (struct sockaddr *)&from_addr,
663 fcntl(fd, F_SETFL, O_NONBLOCK);
665 /* XXX: should output a warning page when coming
666 close to the connection limit */
667 if (nb_connections >= nb_max_connections)
670 /* add a new connection */
671 c = av_mallocz(sizeof(HTTPContext));
676 c->poll_entry = NULL;
677 c->from_addr = from_addr;
678 c->buffer_size = IOBUFFER_INIT_SIZE;
679 c->buffer = av_malloc(c->buffer_size);
683 c->next = first_http_ctx;
687 start_wait_request(c, is_rtsp);
699 static void close_connection(HTTPContext *c)
701 HTTPContext **cp, *c1;
703 AVFormatContext *ctx;
707 /* remove connection from list */
708 cp = &first_http_ctx;
709 while ((*cp) != NULL) {
718 /* remove references, if any (XXX: do it faster) */
719 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
724 /* remove connection associated resources */
728 /* close each frame parser */
729 for(i=0;i<c->fmt_in->nb_streams;i++) {
730 st = c->fmt_in->streams[i];
731 if (st->codec.codec) {
732 avcodec_close(&st->codec);
735 av_close_input_file(c->fmt_in);
738 /* free RTP output streams if any */
741 nb_streams = c->stream->nb_streams;
743 for(i=0;i<nb_streams;i++) {
746 av_write_trailer(ctx);
749 h = c->rtp_handles[i];
757 if (!c->last_packet_sent) {
760 if (url_open_dyn_buf(&ctx->pb) >= 0) {
761 av_write_trailer(ctx);
762 url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
767 for(i=0; i<ctx->nb_streams; i++)
768 av_free(ctx->streams[i]) ;
771 current_bandwidth -= c->stream->bandwidth;
772 av_freep(&c->pb_buffer);
773 av_freep(&c->packet_buffer);
779 static int handle_connection(HTTPContext *c)
784 case HTTPSTATE_WAIT_REQUEST:
785 case RTSPSTATE_WAIT_REQUEST:
787 if ((c->timeout - cur_time) < 0)
789 if (c->poll_entry->revents & (POLLERR | POLLHUP))
792 /* no need to read if no events */
793 if (!(c->poll_entry->revents & POLLIN))
797 len = read(c->fd, c->buffer_ptr, 1);
799 if (errno != EAGAIN && errno != EINTR)
801 } else if (len == 0) {
804 /* search for end of request. */
806 c->buffer_ptr += len;
808 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
809 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
810 /* request found : parse it and reply */
811 if (c->state == HTTPSTATE_WAIT_REQUEST) {
812 ret = http_parse_request(c);
814 ret = rtsp_parse_request(c);
818 } else if (ptr >= c->buffer_end) {
819 /* request too long: cannot do anything */
821 } else goto read_loop;
825 case HTTPSTATE_SEND_HEADER:
826 if (c->poll_entry->revents & (POLLERR | POLLHUP))
829 /* no need to write if no events */
830 if (!(c->poll_entry->revents & POLLOUT))
832 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
834 if (errno != EAGAIN && errno != EINTR) {
835 /* error : close connection */
836 av_freep(&c->pb_buffer);
840 c->buffer_ptr += len;
842 c->stream->bytes_served += len;
843 c->data_count += len;
844 if (c->buffer_ptr >= c->buffer_end) {
845 av_freep(&c->pb_buffer);
850 /* all the buffer was sent : synchronize to the incoming stream */
851 c->state = HTTPSTATE_SEND_DATA_HEADER;
852 c->buffer_ptr = c->buffer_end = c->buffer;
857 case HTTPSTATE_SEND_DATA:
858 case HTTPSTATE_SEND_DATA_HEADER:
859 case HTTPSTATE_SEND_DATA_TRAILER:
860 /* for packetized output, we consider we can always write (the
861 input streams sets the speed). It may be better to verify
862 that we do not rely too much on the kernel queues */
863 if (!c->is_packetized) {
864 if (c->poll_entry->revents & (POLLERR | POLLHUP))
867 /* no need to read if no events */
868 if (!(c->poll_entry->revents & POLLOUT))
871 if (http_send_data(c) < 0)
874 case HTTPSTATE_RECEIVE_DATA:
875 /* no need to read if no events */
876 if (c->poll_entry->revents & (POLLERR | POLLHUP))
878 if (!(c->poll_entry->revents & POLLIN))
880 if (http_receive_data(c) < 0)
883 case HTTPSTATE_WAIT_FEED:
884 /* no need to read if no events */
885 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
888 /* nothing to do, we'll be waken up by incoming feed packets */
891 case RTSPSTATE_SEND_REPLY:
892 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
893 av_freep(&c->pb_buffer);
896 /* no need to write if no events */
897 if (!(c->poll_entry->revents & POLLOUT))
899 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
901 if (errno != EAGAIN && errno != EINTR) {
902 /* error : close connection */
903 av_freep(&c->pb_buffer);
907 c->buffer_ptr += len;
908 c->data_count += len;
909 if (c->buffer_ptr >= c->buffer_end) {
910 /* all the buffer was sent : wait for a new request */
911 av_freep(&c->pb_buffer);
912 start_wait_request(c, 1);
916 case RTSPSTATE_SEND_PACKET:
917 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
918 av_freep(&c->packet_buffer);
921 /* no need to write if no events */
922 if (!(c->poll_entry->revents & POLLOUT))
924 len = write(c->fd, c->packet_buffer_ptr,
925 c->packet_buffer_end - c->packet_buffer_ptr);
927 if (errno != EAGAIN && errno != EINTR) {
928 /* error : close connection */
929 av_freep(&c->packet_buffer);
933 c->packet_buffer_ptr += len;
934 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
935 /* all the buffer was sent : wait for a new request */
936 av_freep(&c->packet_buffer);
937 c->state = RTSPSTATE_WAIT_REQUEST;
941 case HTTPSTATE_READY:
950 static int extract_rates(char *rates, int ratelen, const char *request)
954 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
955 if (strncasecmp(p, "Pragma:", 7) == 0) {
956 const char *q = p + 7;
958 while (*q && *q != '\n' && isspace(*q))
961 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
967 memset(rates, 0xff, ratelen);
970 while (*q && *q != '\n' && *q != ':')
973 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
977 if (stream_no < ratelen && stream_no >= 0) {
978 rates[stream_no] = rate_no;
981 while (*q && *q != '\n' && !isspace(*q))
998 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1001 int best_bitrate = 100000000;
1004 for (i = 0; i < feed->nb_streams; i++) {
1005 AVCodecContext *feed_codec = &feed->streams[i]->codec;
1007 if (feed_codec->codec_id != codec->codec_id ||
1008 feed_codec->sample_rate != codec->sample_rate ||
1009 feed_codec->width != codec->width ||
1010 feed_codec->height != codec->height) {
1014 /* Potential stream */
1016 /* We want the fastest stream less than bit_rate, or the slowest
1017 * faster than bit_rate
1020 if (feed_codec->bit_rate <= bit_rate) {
1021 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1022 best_bitrate = feed_codec->bit_rate;
1026 if (feed_codec->bit_rate < best_bitrate) {
1027 best_bitrate = feed_codec->bit_rate;
1036 static int modify_current_stream(HTTPContext *c, char *rates)
1039 FFStream *req = c->stream;
1040 int action_required = 0;
1042 /* Not much we can do for a feed */
1046 for (i = 0; i < req->nb_streams; i++) {
1047 AVCodecContext *codec = &req->streams[i]->codec;
1051 c->switch_feed_streams[i] = req->feed_streams[i];
1054 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1057 /* Wants off or slow */
1058 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1060 /* This doesn't work well when it turns off the only stream! */
1061 c->switch_feed_streams[i] = -2;
1062 c->feed_streams[i] = -2;
1067 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1068 action_required = 1;
1071 return action_required;
1075 static void do_switch_stream(HTTPContext *c, int i)
1077 if (c->switch_feed_streams[i] >= 0) {
1079 c->feed_streams[i] = c->switch_feed_streams[i];
1082 /* Now update the stream */
1084 c->switch_feed_streams[i] = -1;
1087 /* XXX: factorize in utils.c ? */
1088 /* XXX: take care with different space meaning */
1089 static void skip_spaces(const char **pp)
1093 while (*p == ' ' || *p == '\t')
1098 static void get_word(char *buf, int buf_size, const char **pp)
1106 while (!isspace(*p) && *p != '\0') {
1107 if ((q - buf) < buf_size - 1)
1116 static int validate_acl(FFStream *stream, HTTPContext *c)
1118 enum IPAddressAction last_action = IP_DENY;
1120 struct in_addr *src = &c->from_addr.sin_addr;
1121 unsigned long src_addr = ntohl(src->s_addr);
1123 for (acl = stream->acl; acl; acl = acl->next) {
1124 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
1125 return (acl->action == IP_ALLOW) ? 1 : 0;
1127 last_action = acl->action;
1130 /* Nothing matched, so return not the last action */
1131 return (last_action == IP_DENY) ? 1 : 0;
1134 /* compute the real filename of a file by matching it without its
1135 extensions to all the stream filenames */
1136 static void compute_real_filename(char *filename, int max_size)
1143 /* compute filename by matching without the file extensions */
1144 pstrcpy(file1, sizeof(file1), filename);
1145 p = strrchr(file1, '.');
1148 for(stream = first_stream; stream != NULL; stream = stream->next) {
1149 pstrcpy(file2, sizeof(file2), stream->filename);
1150 p = strrchr(file2, '.');
1153 if (!strcmp(file1, file2)) {
1154 pstrcpy(filename, max_size, stream->filename);
1169 /* parse http request and prepare header */
1170 static int http_parse_request(HTTPContext *c)
1174 enum RedirType redir_type;
1176 char info[1024], *filename;
1180 const char *mime_type;
1184 char *useragent = 0;
1187 get_word(cmd, sizeof(cmd), (const char **)&p);
1188 pstrcpy(c->method, sizeof(c->method), cmd);
1190 if (!strcmp(cmd, "GET"))
1192 else if (!strcmp(cmd, "POST"))
1197 get_word(url, sizeof(url), (const char **)&p);
1198 pstrcpy(c->url, sizeof(c->url), url);
1200 get_word(protocol, sizeof(protocol), (const char **)&p);
1201 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1204 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
1206 /* find the filename and the optional info string in the request */
1213 pstrcpy(info, sizeof(info), p);
1219 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1220 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1222 if (*useragent && *useragent != '\n' && isspace(*useragent))
1226 p = strchr(p, '\n');
1233 redir_type = REDIR_NONE;
1234 if (match_ext(filename, "asx")) {
1235 redir_type = REDIR_ASX;
1236 filename[strlen(filename)-1] = 'f';
1237 } else if (match_ext(filename, "asf") &&
1238 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1239 /* if this isn't WMP or lookalike, return the redirector file */
1240 redir_type = REDIR_ASF;
1241 } else if (match_ext(filename, "rpm,ram")) {
1242 redir_type = REDIR_RAM;
1243 strcpy(filename + strlen(filename)-2, "m");
1244 } else if (match_ext(filename, "rtsp")) {
1245 redir_type = REDIR_RTSP;
1246 compute_real_filename(filename, sizeof(url) - 1);
1247 } else if (match_ext(filename, "sdp")) {
1248 redir_type = REDIR_SDP;
1249 compute_real_filename(filename, sizeof(url) - 1);
1252 stream = first_stream;
1253 while (stream != NULL) {
1254 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1256 stream = stream->next;
1258 if (stream == NULL) {
1259 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1264 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1265 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1267 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1268 c->http_error = 301;
1270 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1271 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1272 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1273 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1274 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1275 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1276 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1278 /* prepare output buffer */
1279 c->buffer_ptr = c->buffer;
1281 c->state = HTTPSTATE_SEND_HEADER;
1285 /* If this is WMP, get the rate information */
1286 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1287 if (modify_current_stream(c, ratebuf)) {
1288 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1289 if (c->switch_feed_streams[i] >= 0)
1290 do_switch_stream(c, i);
1295 if (post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
1296 current_bandwidth += stream->bandwidth;
1299 if (post == 0 && max_bandwidth < current_bandwidth) {
1300 c->http_error = 200;
1302 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1303 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1304 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1305 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1306 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "The server is too busy to serve your request at this time.<p>\r\n");
1307 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
1308 current_bandwidth, max_bandwidth);
1309 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1311 /* prepare output buffer */
1312 c->buffer_ptr = c->buffer;
1314 c->state = HTTPSTATE_SEND_HEADER;
1318 if (redir_type != REDIR_NONE) {
1321 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1322 if (strncasecmp(p, "Host:", 5) == 0) {
1326 p = strchr(p, '\n');
1337 while (isspace(*hostinfo))
1340 eoh = strchr(hostinfo, '\n');
1342 if (eoh[-1] == '\r')
1345 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1346 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1347 hostbuf[eoh - hostinfo] = 0;
1349 c->http_error = 200;
1351 switch(redir_type) {
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1357 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1359 hostbuf, filename, info);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1363 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1364 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1368 hostbuf, filename, info);
1371 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1372 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1373 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1374 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1376 hostbuf, filename, info);
1380 char hostname[256], *p;
1381 /* extract only hostname */
1382 pstrcpy(hostname, sizeof(hostname), hostbuf);
1383 p = strrchr(hostname, ':');
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1387 /* XXX: incorrect mime type ? */
1388 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1389 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1390 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1391 hostname, ntohs(my_rtsp_addr.sin_port),
1398 int sdp_data_size, len;
1399 struct sockaddr_in my_addr;
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1402 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1403 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1405 len = sizeof(my_addr);
1406 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1408 /* XXX: should use a dynamic buffer */
1409 sdp_data_size = prepare_sdp_description(stream,
1412 if (sdp_data_size > 0) {
1413 memcpy(q, sdp_data, sdp_data_size);
1425 /* prepare output buffer */
1426 c->buffer_ptr = c->buffer;
1428 c->state = HTTPSTATE_SEND_HEADER;
1434 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1438 stream->conns_served++;
1440 /* XXX: add there authenticate and IP match */
1443 /* if post, it means a feed is being sent */
1444 if (!stream->is_feed) {
1445 /* However it might be a status report from WMP! Lets log the data
1446 * as it might come in handy one day
1451 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1452 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1456 if (strncasecmp(p, "Pragma: client-id=", 18) == 0) {
1457 client_id = strtol(p + 18, 0, 10);
1459 p = strchr(p, '\n');
1467 char *eol = strchr(logline, '\n');
1472 if (eol[-1] == '\r')
1474 http_log("%.*s\n", (int) (eol - logline), logline);
1475 c->suppress_log = 1;
1480 http_log("\nGot request:\n%s\n", c->buffer);
1483 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1486 /* Now we have to find the client_id */
1487 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1488 if (wmpc->wmp_client_id == client_id)
1493 if (modify_current_stream(wmpc, ratebuf)) {
1494 wmpc->switch_pending = 1;
1499 snprintf(msg, sizeof(msg), "POST command not handled");
1503 if (http_start_receive_data(c) < 0) {
1504 snprintf(msg, sizeof(msg), "could not open feed");
1508 c->state = HTTPSTATE_RECEIVE_DATA;
1513 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0) {
1514 http_log("\nGot request:\n%s\n", c->buffer);
1518 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1521 /* open input stream */
1522 if (open_input_stream(c, info) < 0) {
1523 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1527 /* prepare http header */
1529 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1530 mime_type = c->stream->fmt->mime_type;
1532 mime_type = "application/x-octet_stream";
1533 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1535 /* for asf, we need extra headers */
1536 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1537 /* Need to allocate a client id */
1539 c->wmp_client_id = random() & 0x7fffffff;
1541 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "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);
1543 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1544 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1546 /* prepare output buffer */
1548 c->buffer_ptr = c->buffer;
1550 c->state = HTTPSTATE_SEND_HEADER;
1553 c->http_error = 404;
1555 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1556 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1557 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1558 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1559 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1560 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1561 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1563 /* prepare output buffer */
1564 c->buffer_ptr = c->buffer;
1566 c->state = HTTPSTATE_SEND_HEADER;
1570 c->http_error = 200; /* horrible : we use this value to avoid
1571 going to the send data state */
1572 c->state = HTTPSTATE_SEND_HEADER;
1576 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1578 static const char *suffix = " kMGTP";
1581 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++) {
1584 url_fprintf(pb, "%lld%c", count, *s);
1587 static void compute_stats(HTTPContext *c)
1594 ByteIOContext pb1, *pb = &pb1;
1596 if (url_open_dyn_buf(pb) < 0) {
1597 /* XXX: return an error ? */
1598 c->buffer_ptr = c->buffer;
1599 c->buffer_end = c->buffer;
1603 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1604 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1605 url_fprintf(pb, "Pragma: no-cache\r\n");
1606 url_fprintf(pb, "\r\n");
1608 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1609 if (c->stream->feed_filename) {
1610 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1612 url_fprintf(pb, "</HEAD>\n<BODY>");
1613 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1615 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1616 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1617 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");
1618 stream = first_stream;
1619 while (stream != NULL) {
1620 char sfilename[1024];
1623 if (stream->feed != stream) {
1624 pstrcpy(sfilename, sizeof(sfilename) - 10, stream->filename);
1625 eosf = sfilename + strlen(sfilename);
1626 if (eosf - sfilename >= 4) {
1627 if (strcmp(eosf - 4, ".asf") == 0) {
1628 strcpy(eosf - 4, ".asx");
1629 } else if (strcmp(eosf - 3, ".rm") == 0) {
1630 strcpy(eosf - 3, ".ram");
1631 } else if (stream->fmt == &rtp_mux) {
1632 /* generate a sample RTSP director if
1633 unicast. Generate an SDP redirector if
1635 eosf = strrchr(sfilename, '.');
1637 eosf = sfilename + strlen(sfilename);
1638 if (stream->is_multicast)
1639 strcpy(eosf, ".sdp");
1641 strcpy(eosf, ".rtsp");
1645 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1646 sfilename, stream->filename);
1647 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1648 stream->conns_served);
1649 fmt_bytecount(pb, stream->bytes_served);
1650 switch(stream->stream_type) {
1651 case STREAM_TYPE_LIVE:
1653 int audio_bit_rate = 0;
1654 int video_bit_rate = 0;
1655 const char *audio_codec_name = "";
1656 const char *video_codec_name = "";
1657 const char *audio_codec_name_extra = "";
1658 const char *video_codec_name_extra = "";
1660 for(i=0;i<stream->nb_streams;i++) {
1661 AVStream *st = stream->streams[i];
1662 AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
1663 switch(st->codec.codec_type) {
1664 case CODEC_TYPE_AUDIO:
1665 audio_bit_rate += st->codec.bit_rate;
1667 if (*audio_codec_name)
1668 audio_codec_name_extra = "...";
1669 audio_codec_name = codec->name;
1672 case CODEC_TYPE_VIDEO:
1673 video_bit_rate += st->codec.bit_rate;
1675 if (*video_codec_name)
1676 video_codec_name_extra = "...";
1677 video_codec_name = codec->name;
1680 case CODEC_TYPE_DATA:
1681 video_bit_rate += st->codec.bit_rate;
1687 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",
1690 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1691 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1693 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1695 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1697 url_fprintf(pb, "\n");
1701 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1705 stream = stream->next;
1707 url_fprintf(pb, "</TABLE>\n");
1709 stream = first_stream;
1710 while (stream != NULL) {
1711 if (stream->feed == stream) {
1712 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1714 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1716 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1721 /* This is somewhat linux specific I guess */
1722 snprintf(ps_cmd, sizeof(ps_cmd),
1723 "ps -o \"%%cpu,cputime\" --no-headers %d",
1726 pid_stat = popen(ps_cmd, "r");
1731 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1733 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1741 url_fprintf(pb, "<p>");
1743 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");
1745 for (i = 0; i < stream->nb_streams; i++) {
1746 AVStream *st = stream->streams[i];
1747 AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
1748 const char *type = "unknown";
1749 char parameters[64];
1753 switch(st->codec.codec_type) {
1754 case CODEC_TYPE_AUDIO:
1757 case CODEC_TYPE_VIDEO:
1759 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec.width, st->codec.height,
1760 st->codec.qmin, st->codec.qmax, st->codec.frame_rate / st->codec.frame_rate_base);
1765 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1766 i, type, st->codec.bit_rate/1000, codec ? codec->name : "", parameters);
1768 url_fprintf(pb, "</table>\n");
1771 stream = stream->next;
1777 AVCodecContext *enc;
1781 stream = first_feed;
1782 while (stream != NULL) {
1783 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1784 url_fprintf(pb, "<TABLE>\n");
1785 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1786 for(i=0;i<stream->nb_streams;i++) {
1787 AVStream *st = stream->streams[i];
1788 FeedData *fdata = st->priv_data;
1791 avcodec_string(buf, sizeof(buf), enc);
1792 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1793 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1794 avg /= enc->frame_size;
1795 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
1796 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1798 url_fprintf(pb, "</TABLE>\n");
1799 stream = stream->next_feed;
1804 /* connection status */
1805 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1807 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1808 nb_connections, nb_max_connections);
1810 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1811 current_bandwidth, max_bandwidth);
1813 url_fprintf(pb, "<TABLE>\n");
1814 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");
1815 c1 = first_http_ctx;
1817 while (c1 != NULL) {
1823 for (j = 0; j < c1->stream->nb_streams; j++) {
1824 if (!c1->stream->feed) {
1825 bitrate += c1->stream->streams[j]->codec.bit_rate;
1827 if (c1->feed_streams[j] >= 0) {
1828 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec.bit_rate;
1835 p = inet_ntoa(c1->from_addr.sin_addr);
1836 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1838 c1->stream ? c1->stream->filename : "",
1839 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1842 http_state[c1->state]);
1843 fmt_bytecount(pb, bitrate);
1844 url_fprintf(pb, "<td align=right>");
1845 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1846 url_fprintf(pb, "<td align=right>");
1847 fmt_bytecount(pb, c1->data_count);
1848 url_fprintf(pb, "\n");
1851 url_fprintf(pb, "</TABLE>\n");
1856 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1857 url_fprintf(pb, "</BODY>\n</HTML>\n");
1859 len = url_close_dyn_buf(pb, &c->pb_buffer);
1860 c->buffer_ptr = c->pb_buffer;
1861 c->buffer_end = c->pb_buffer + len;
1864 /* check if the parser needs to be opened for stream i */
1865 static void open_parser(AVFormatContext *s, int i)
1867 AVStream *st = s->streams[i];
1870 if (!st->codec.codec) {
1871 codec = avcodec_find_decoder(st->codec.codec_id);
1872 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1873 st->codec.parse_only = 1;
1874 if (avcodec_open(&st->codec, codec) < 0) {
1875 st->codec.parse_only = 0;
1881 static int open_input_stream(HTTPContext *c, const char *info)
1884 char input_filename[1024];
1889 /* find file name */
1890 if (c->stream->feed) {
1891 strcpy(input_filename, c->stream->feed->feed_filename);
1892 buf_size = FFM_PACKET_SIZE;
1893 /* compute position (absolute time) */
1894 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1895 stream_pos = parse_date(buf, 0);
1896 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1897 int prebuffer = strtol(buf, 0, 10);
1898 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1900 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1903 strcpy(input_filename, c->stream->feed_filename);
1905 /* compute position (relative time) */
1906 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1907 stream_pos = parse_date(buf, 1);
1912 if (input_filename[0] == '\0')
1916 { time_t when = stream_pos / 1000000;
1917 http_log("Stream pos = %lld, time=%s", stream_pos, ctime(&when));
1922 if (av_open_input_file(&s, input_filename, c->stream->ifmt,
1923 buf_size, c->stream->ap_in) < 0) {
1924 http_log("%s not found", input_filename);
1929 /* open each parser */
1930 for(i=0;i<s->nb_streams;i++)
1933 /* choose stream as clock source (we favorize video stream if
1934 present) for packet sending */
1935 c->pts_stream_index = 0;
1936 for(i=0;i<c->stream->nb_streams;i++) {
1937 if (c->pts_stream_index == 0 &&
1938 c->stream->streams[i]->codec.codec_type == CODEC_TYPE_VIDEO) {
1939 c->pts_stream_index = i;
1944 if (c->fmt_in->iformat->read_seek) {
1945 c->fmt_in->iformat->read_seek(c->fmt_in, stream_pos);
1948 /* set the start time (needed for maxtime and RTP packet timing) */
1949 c->start_time = cur_time;
1950 c->first_pts = AV_NOPTS_VALUE;
1954 /* return the server clock (in us) */
1955 static int64_t get_server_clock(HTTPContext *c)
1957 /* compute current pts value from system time */
1958 return (int64_t)(cur_time - c->start_time) * 1000LL;
1961 /* return the estimated time at which the current packet must be sent
1963 static int64_t get_packet_send_clock(HTTPContext *c)
1965 int bytes_left, bytes_sent, frame_bytes;
1967 frame_bytes = c->cur_frame_bytes;
1968 if (frame_bytes <= 0) {
1971 bytes_left = c->buffer_end - c->buffer_ptr;
1972 bytes_sent = frame_bytes - bytes_left;
1973 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1978 static int http_prepare_data(HTTPContext *c)
1981 AVFormatContext *ctx;
1983 av_freep(&c->pb_buffer);
1985 case HTTPSTATE_SEND_DATA_HEADER:
1986 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1987 pstrcpy(c->fmt_ctx.author, sizeof(c->fmt_ctx.author),
1989 pstrcpy(c->fmt_ctx.comment, sizeof(c->fmt_ctx.comment),
1990 c->stream->comment);
1991 pstrcpy(c->fmt_ctx.copyright, sizeof(c->fmt_ctx.copyright),
1992 c->stream->copyright);
1993 pstrcpy(c->fmt_ctx.title, sizeof(c->fmt_ctx.title),
1996 /* open output stream by using specified codecs */
1997 c->fmt_ctx.oformat = c->stream->fmt;
1998 c->fmt_ctx.nb_streams = c->stream->nb_streams;
1999 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2002 st = av_mallocz(sizeof(AVStream));
2003 c->fmt_ctx.streams[i] = st;
2004 /* if file or feed, then just take streams from FFStream struct */
2005 if (!c->stream->feed ||
2006 c->stream->feed == c->stream)
2007 src = c->stream->streams[i];
2009 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2013 st->codec.frame_number = 0; /* XXX: should be done in
2014 AVStream, not in codec */
2015 /* I'm pretty sure that this is not correct...
2016 * However, without it, we crash
2018 st->codec.coded_frame = &dummy_frame;
2020 c->got_key_frame = 0;
2022 /* prepare header and save header data in a stream */
2023 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2024 /* XXX: potential leak */
2027 c->fmt_ctx.pb.is_streamed = 1;
2029 av_set_parameters(&c->fmt_ctx, NULL);
2030 av_write_header(&c->fmt_ctx);
2032 len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
2033 c->buffer_ptr = c->pb_buffer;
2034 c->buffer_end = c->pb_buffer + len;
2036 c->state = HTTPSTATE_SEND_DATA;
2037 c->last_packet_sent = 0;
2039 case HTTPSTATE_SEND_DATA:
2040 /* find a new packet */
2044 /* read a packet from the input stream */
2045 if (c->stream->feed) {
2046 ffm_set_write_index(c->fmt_in,
2047 c->stream->feed->feed_write_index,
2048 c->stream->feed->feed_size);
2051 if (c->stream->max_time &&
2052 c->stream->max_time + c->start_time - cur_time < 0) {
2053 /* We have timed out */
2054 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2057 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2058 if (c->stream->feed && c->stream->feed->feed_opened) {
2059 /* if coming from feed, it means we reached the end of the
2060 ffm file, so must wait for more data */
2061 c->state = HTTPSTATE_WAIT_FEED;
2062 return 1; /* state changed */
2064 if (c->stream->loop) {
2065 av_close_input_file(c->fmt_in);
2067 if (open_input_stream(c, "") < 0)
2072 /* must send trailer now because eof or error */
2073 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2077 /* update first pts if needed */
2078 if (c->first_pts == AV_NOPTS_VALUE) {
2079 c->first_pts = pkt.dts;
2080 c->start_time = cur_time;
2082 /* send it to the appropriate stream */
2083 if (c->stream->feed) {
2084 /* if coming from a feed, select the right stream */
2085 if (c->switch_pending) {
2086 c->switch_pending = 0;
2087 for(i=0;i<c->stream->nb_streams;i++) {
2088 if (c->switch_feed_streams[i] == pkt.stream_index) {
2089 if (pkt.flags & PKT_FLAG_KEY) {
2090 do_switch_stream(c, i);
2093 if (c->switch_feed_streams[i] >= 0) {
2094 c->switch_pending = 1;
2098 for(i=0;i<c->stream->nb_streams;i++) {
2099 if (c->feed_streams[i] == pkt.stream_index) {
2100 pkt.stream_index = i;
2101 if (pkt.flags & PKT_FLAG_KEY) {
2102 c->got_key_frame |= 1 << i;
2104 /* See if we have all the key frames, then
2105 * we start to send. This logic is not quite
2106 * right, but it works for the case of a
2107 * single video stream with one or more
2108 * audio streams (for which every frame is
2109 * typically a key frame).
2111 if (!c->stream->send_on_key ||
2112 ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
2118 AVCodecContext *codec;
2121 /* specific handling for RTP: we use several
2122 output stream (one for each RTP
2123 connection). XXX: need more abstract handling */
2124 if (c->is_packetized) {
2126 /* compute send time and duration */
2127 st = c->fmt_in->streams[pkt.stream_index];
2128 c->cur_pts = pkt.dts;
2129 if (st->start_time != AV_NOPTS_VALUE)
2130 c->cur_pts -= st->start_time;
2131 c->cur_frame_duration = pkt.duration;
2133 printf("index=%d pts=%0.3f duration=%0.6f\n",
2135 (double)c->cur_pts /
2137 (double)c->cur_frame_duration /
2140 /* find RTP context */
2141 c->packet_stream_index = pkt.stream_index;
2142 ctx = c->rtp_ctx[c->packet_stream_index];
2144 av_free_packet(&pkt);
2147 codec = &ctx->streams[0]->codec;
2148 /* only one stream per RTP connection */
2149 pkt.stream_index = 0;
2153 codec = &ctx->streams[pkt.stream_index]->codec;
2156 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2157 if (c->is_packetized) {
2158 int max_packet_size;
2159 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2160 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2162 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2163 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2165 ret = url_open_dyn_buf(&ctx->pb);
2168 /* XXX: potential leak */
2171 if (av_write_frame(ctx, &pkt)) {
2172 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2175 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2176 c->cur_frame_bytes = len;
2177 c->buffer_ptr = c->pb_buffer;
2178 c->buffer_end = c->pb_buffer + len;
2180 codec->frame_number++;
2184 av_free_packet(&pkt);
2190 case HTTPSTATE_SEND_DATA_TRAILER:
2191 /* last packet test ? */
2192 if (c->last_packet_sent || c->is_packetized)
2195 /* prepare header */
2196 if (url_open_dyn_buf(&ctx->pb) < 0) {
2197 /* XXX: potential leak */
2200 av_write_trailer(ctx);
2201 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2202 c->buffer_ptr = c->pb_buffer;
2203 c->buffer_end = c->pb_buffer + len;
2205 c->last_packet_sent = 1;
2212 #define SHORT_TERM_BANDWIDTH 8000000
2214 /* should convert the format at the same time */
2215 /* send data starting at c->buffer_ptr to the output connection
2216 (either UDP or TCP connection) */
2217 static int http_send_data(HTTPContext *c)
2222 if (c->buffer_ptr >= c->buffer_end) {
2223 ret = http_prepare_data(c);
2226 else if (ret != 0) {
2227 /* state change requested */
2231 if (c->is_packetized) {
2232 /* RTP data output */
2233 len = c->buffer_end - c->buffer_ptr;
2235 /* fail safe - should never happen */
2237 c->buffer_ptr = c->buffer_end;
2240 len = (c->buffer_ptr[0] << 24) |
2241 (c->buffer_ptr[1] << 16) |
2242 (c->buffer_ptr[2] << 8) |
2244 if (len > (c->buffer_end - c->buffer_ptr))
2246 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2247 /* nothing to send yet: we can wait */
2251 c->data_count += len;
2252 update_datarate(&c->datarate, c->data_count);
2254 c->stream->bytes_served += len;
2256 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2257 /* RTP packets are sent inside the RTSP TCP connection */
2258 ByteIOContext pb1, *pb = &pb1;
2259 int interleaved_index, size;
2261 HTTPContext *rtsp_c;
2264 /* if no RTSP connection left, error */
2267 /* if already sending something, then wait. */
2268 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
2271 if (url_open_dyn_buf(pb) < 0)
2273 interleaved_index = c->packet_stream_index * 2;
2274 /* RTCP packets are sent at odd indexes */
2275 if (c->buffer_ptr[1] == 200)
2276 interleaved_index++;
2277 /* write RTSP TCP header */
2279 header[1] = interleaved_index;
2280 header[2] = len >> 8;
2282 put_buffer(pb, header, 4);
2283 /* write RTP packet data */
2285 put_buffer(pb, c->buffer_ptr, len);
2286 size = url_close_dyn_buf(pb, &c->packet_buffer);
2287 /* prepare asynchronous TCP sending */
2288 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2289 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2290 c->buffer_ptr += len;
2292 /* send everything we can NOW */
2293 len = write(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2294 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr);
2296 rtsp_c->packet_buffer_ptr += len;
2298 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2299 /* if we could not send all the data, we will
2300 send it later, so a new state is needed to
2301 "lock" the RTSP TCP connection */
2302 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2305 /* all data has been sent */
2306 av_freep(&c->packet_buffer);
2309 /* send RTP packet directly in UDP */
2311 url_write(c->rtp_handles[c->packet_stream_index],
2312 c->buffer_ptr, len);
2313 c->buffer_ptr += len;
2314 /* here we continue as we can send several packets per 10 ms slot */
2317 /* TCP data output */
2318 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2320 if (errno != EAGAIN && errno != EINTR) {
2321 /* error : close connection */
2327 c->buffer_ptr += len;
2329 c->data_count += len;
2330 update_datarate(&c->datarate, c->data_count);
2332 c->stream->bytes_served += len;
2340 static int http_start_receive_data(HTTPContext *c)
2344 if (c->stream->feed_opened)
2347 /* Don't permit writing to this one */
2348 if (c->stream->readonly)
2352 fd = open(c->stream->feed_filename, O_RDWR);
2357 c->stream->feed_write_index = ffm_read_write_index(fd);
2358 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2359 lseek(fd, 0, SEEK_SET);
2361 /* init buffer input */
2362 c->buffer_ptr = c->buffer;
2363 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2364 c->stream->feed_opened = 1;
2368 static int http_receive_data(HTTPContext *c)
2372 if (c->buffer_end > c->buffer_ptr) {
2375 len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2377 if (errno != EAGAIN && errno != EINTR) {
2378 /* error : close connection */
2381 } else if (len == 0) {
2382 /* end of connection : close it */
2385 c->buffer_ptr += len;
2386 c->data_count += len;
2387 update_datarate(&c->datarate, c->data_count);
2391 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2392 if (c->buffer[0] != 'f' ||
2393 c->buffer[1] != 'm') {
2394 http_log("Feed stream has become desynchronized -- disconnecting\n");
2399 if (c->buffer_ptr >= c->buffer_end) {
2400 FFStream *feed = c->stream;
2401 /* a packet has been received : write it in the store, except
2403 if (c->data_count > FFM_PACKET_SIZE) {
2405 // printf("writing pos=0x%Lx size=0x%Lx\n", feed->feed_write_index, feed->feed_size);
2406 /* XXX: use llseek or url_seek */
2407 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2408 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2410 feed->feed_write_index += FFM_PACKET_SIZE;
2411 /* update file size */
2412 if (feed->feed_write_index > c->stream->feed_size)
2413 feed->feed_size = feed->feed_write_index;
2415 /* handle wrap around if max file size reached */
2416 if (feed->feed_write_index >= c->stream->feed_max_size)
2417 feed->feed_write_index = FFM_PACKET_SIZE;
2420 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2422 /* wake up any waiting connections */
2423 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2424 if (c1->state == HTTPSTATE_WAIT_FEED &&
2425 c1->stream->feed == c->stream->feed) {
2426 c1->state = HTTPSTATE_SEND_DATA;
2430 /* We have a header in our hands that contains useful data */
2432 AVInputFormat *fmt_in;
2433 ByteIOContext *pb = &s.pb;
2436 memset(&s, 0, sizeof(s));
2438 url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2439 pb->buf_end = c->buffer_end; /* ?? */
2440 pb->is_streamed = 1;
2442 /* use feed output format name to find corresponding input format */
2443 fmt_in = av_find_input_format(feed->fmt->name);
2447 if (fmt_in->priv_data_size > 0) {
2448 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2454 if (fmt_in->read_header(&s, 0) < 0) {
2455 av_freep(&s.priv_data);
2459 /* Now we have the actual streams */
2460 if (s.nb_streams != feed->nb_streams) {
2461 av_freep(&s.priv_data);
2464 for (i = 0; i < s.nb_streams; i++) {
2465 memcpy(&feed->streams[i]->codec,
2466 &s.streams[i]->codec, sizeof(AVCodecContext));
2468 av_freep(&s.priv_data);
2470 c->buffer_ptr = c->buffer;
2475 c->stream->feed_opened = 0;
2480 /********************************************************************/
2483 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2490 switch(error_number) {
2491 #define DEF(n, c, s) case c: str = s; break;
2492 #include "rtspcodes.h"
2495 str = "Unknown Error";
2499 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2500 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2502 /* output GMT time */
2506 p = buf2 + strlen(p) - 1;
2509 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2512 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2514 rtsp_reply_header(c, error_number);
2515 url_fprintf(c->pb, "\r\n");
2518 static int rtsp_parse_request(HTTPContext *c)
2520 const char *p, *p1, *p2;
2527 RTSPHeader header1, *header = &header1;
2529 c->buffer_ptr[0] = '\0';
2532 get_word(cmd, sizeof(cmd), &p);
2533 get_word(url, sizeof(url), &p);
2534 get_word(protocol, sizeof(protocol), &p);
2536 pstrcpy(c->method, sizeof(c->method), cmd);
2537 pstrcpy(c->url, sizeof(c->url), url);
2538 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
2541 if (url_open_dyn_buf(c->pb) < 0) {
2542 /* XXX: cannot do more */
2543 c->pb = NULL; /* safety */
2547 /* check version name */
2548 if (strcmp(protocol, "RTSP/1.0") != 0) {
2549 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2553 /* parse each header line */
2554 memset(header, 0, sizeof(RTSPHeader));
2555 /* skip to next line */
2556 while (*p != '\n' && *p != '\0')
2560 while (*p != '\0') {
2561 p1 = strchr(p, '\n');
2565 if (p2 > p && p2[-1] == '\r')
2567 /* skip empty line */
2571 if (len > sizeof(line) - 1)
2572 len = sizeof(line) - 1;
2573 memcpy(line, p, len);
2575 rtsp_parse_line(header, line);
2579 /* handle sequence number */
2580 c->seq = header->seq;
2582 if (!strcmp(cmd, "DESCRIBE")) {
2583 rtsp_cmd_describe(c, url);
2584 } else if (!strcmp(cmd, "OPTIONS")) {
2585 rtsp_cmd_options(c, url);
2586 } else if (!strcmp(cmd, "SETUP")) {
2587 rtsp_cmd_setup(c, url, header);
2588 } else if (!strcmp(cmd, "PLAY")) {
2589 rtsp_cmd_play(c, url, header);
2590 } else if (!strcmp(cmd, "PAUSE")) {
2591 rtsp_cmd_pause(c, url, header);
2592 } else if (!strcmp(cmd, "TEARDOWN")) {
2593 rtsp_cmd_teardown(c, url, header);
2595 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2598 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2599 c->pb = NULL; /* safety */
2601 /* XXX: cannot do more */
2604 c->buffer_ptr = c->pb_buffer;
2605 c->buffer_end = c->pb_buffer + len;
2606 c->state = RTSPSTATE_SEND_REPLY;
2610 /* XXX: move that to rtsp.c, but would need to replace FFStream by
2612 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2613 struct in_addr my_ip)
2615 ByteIOContext pb1, *pb = &pb1;
2616 int i, payload_type, port, private_payload_type, j;
2617 const char *ipstr, *title, *mediatype;
2620 if (url_open_dyn_buf(pb) < 0)
2623 /* general media info */
2625 url_fprintf(pb, "v=0\n");
2626 ipstr = inet_ntoa(my_ip);
2627 url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
2628 title = stream->title;
2629 if (title[0] == '\0')
2631 url_fprintf(pb, "s=%s\n", title);
2632 if (stream->comment[0] != '\0')
2633 url_fprintf(pb, "i=%s\n", stream->comment);
2634 if (stream->is_multicast) {
2635 url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
2637 /* for each stream, we output the necessary info */
2638 private_payload_type = RTP_PT_PRIVATE;
2639 for(i = 0; i < stream->nb_streams; i++) {
2640 st = stream->streams[i];
2641 if (st->codec.codec_id == CODEC_ID_MPEG2TS) {
2642 mediatype = "video";
2644 switch(st->codec.codec_type) {
2645 case CODEC_TYPE_AUDIO:
2646 mediatype = "audio";
2648 case CODEC_TYPE_VIDEO:
2649 mediatype = "video";
2652 mediatype = "application";
2656 /* NOTE: the port indication is not correct in case of
2657 unicast. It is not an issue because RTSP gives it */
2658 payload_type = rtp_get_payload_type(&st->codec);
2659 if (payload_type < 0)
2660 payload_type = private_payload_type++;
2661 if (stream->is_multicast) {
2662 port = stream->multicast_port + 2 * i;
2666 url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
2667 mediatype, port, payload_type);
2668 if (payload_type >= RTP_PT_PRIVATE) {
2669 /* for private payload type, we need to give more info */
2670 switch(st->codec.codec_id) {
2671 case CODEC_ID_MPEG4:
2674 url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
2675 payload_type, 90000);
2676 /* we must also add the mpeg4 header */
2677 data = st->codec.extradata;
2679 url_fprintf(pb, "a=fmtp:%d config=", payload_type);
2680 for(j=0;j<st->codec.extradata_size;j++) {
2681 url_fprintf(pb, "%02x", data[j]);
2683 url_fprintf(pb, "\n");
2688 /* XXX: add other codecs ? */
2692 url_fprintf(pb, "a=control:streamid=%d\n", i);
2694 return url_close_dyn_buf(pb, pbuffer);
2696 url_close_dyn_buf(pb, pbuffer);
2701 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2703 // rtsp_reply_header(c, RTSP_STATUS_OK);
2704 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2705 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2706 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2707 url_fprintf(c->pb, "\r\n");
2710 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2716 int content_length, len;
2717 struct sockaddr_in my_addr;
2719 /* find which url is asked */
2720 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2725 for(stream = first_stream; stream != NULL; stream = stream->next) {
2726 if (!stream->is_feed && stream->fmt == &rtp_mux &&
2727 !strcmp(path, stream->filename)) {
2731 /* no stream found */
2732 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2736 /* prepare the media description in sdp format */
2738 /* get the host IP */
2739 len = sizeof(my_addr);
2740 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2741 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2742 if (content_length < 0) {
2743 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2746 rtsp_reply_header(c, RTSP_STATUS_OK);
2747 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2748 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2749 url_fprintf(c->pb, "\r\n");
2750 put_buffer(c->pb, content, content_length);
2753 static HTTPContext *find_rtp_session(const char *session_id)
2757 if (session_id[0] == '\0')
2760 for(c = first_http_ctx; c != NULL; c = c->next) {
2761 if (!strcmp(c->session_id, session_id))
2767 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2769 RTSPTransportField *th;
2772 for(i=0;i<h->nb_transports;i++) {
2773 th = &h->transports[i];
2774 if (th->protocol == protocol)
2780 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2784 int stream_index, port;
2789 RTSPTransportField *th;
2790 struct sockaddr_in dest_addr;
2791 RTSPActionServerSetup setup;
2793 /* find which url is asked */
2794 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2799 /* now check each stream */
2800 for(stream = first_stream; stream != NULL; stream = stream->next) {
2801 if (!stream->is_feed && stream->fmt == &rtp_mux) {
2802 /* accept aggregate filenames only if single stream */
2803 if (!strcmp(path, stream->filename)) {
2804 if (stream->nb_streams != 1) {
2805 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2812 for(stream_index = 0; stream_index < stream->nb_streams;
2814 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2815 stream->filename, stream_index);
2816 if (!strcmp(path, buf))
2821 /* no stream found */
2822 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2826 /* generate session id if needed */
2827 if (h->session_id[0] == '\0') {
2828 snprintf(h->session_id, sizeof(h->session_id),
2829 "%08x%08x", (int)random(), (int)random());
2832 /* find rtp session, and create it if none found */
2833 rtp_c = find_rtp_session(h->session_id);
2835 /* always prefer UDP */
2836 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2838 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2840 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2845 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2848 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2852 /* open input stream */
2853 if (open_input_stream(rtp_c, "") < 0) {
2854 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2859 /* test if stream is OK (test needed because several SETUP needs
2860 to be done for a given file) */
2861 if (rtp_c->stream != stream) {
2862 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2866 /* test if stream is already set up */
2867 if (rtp_c->rtp_ctx[stream_index]) {
2868 rtsp_reply_error(c, RTSP_STATUS_STATE);
2872 /* check transport */
2873 th = find_transport(h, rtp_c->rtp_protocol);
2874 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2875 th->client_port_min <= 0)) {
2876 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2880 /* setup default options */
2881 setup.transport_option[0] = '\0';
2882 dest_addr = rtp_c->from_addr;
2883 dest_addr.sin_port = htons(th->client_port_min);
2885 /* add transport option if needed */
2886 if (ff_rtsp_callback) {
2887 setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
2888 if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
2889 (char *)&setup, sizeof(setup),
2890 stream->rtsp_option) < 0) {
2891 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2894 dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
2898 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2899 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2903 /* now everything is OK, so we can send the connection parameters */
2904 rtsp_reply_header(c, RTSP_STATUS_OK);
2906 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2908 switch(rtp_c->rtp_protocol) {
2909 case RTSP_PROTOCOL_RTP_UDP:
2910 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2911 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2912 "client_port=%d-%d;server_port=%d-%d",
2913 th->client_port_min, th->client_port_min + 1,
2916 case RTSP_PROTOCOL_RTP_TCP:
2917 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2918 stream_index * 2, stream_index * 2 + 1);
2923 if (setup.transport_option[0] != '\0') {
2924 url_fprintf(c->pb, ";%s", setup.transport_option);
2926 url_fprintf(c->pb, "\r\n");
2929 url_fprintf(c->pb, "\r\n");
2933 /* find an rtp connection by using the session ID. Check consistency
2935 static HTTPContext *find_rtp_session_with_url(const char *url,
2936 const char *session_id)
2944 rtp_c = find_rtp_session(session_id);
2948 /* find which url is asked */
2949 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2953 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2954 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2955 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2956 rtp_c->stream->filename, s);
2957 if(!strncmp(path, buf, sizeof(buf))) {
2958 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2965 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2969 rtp_c = find_rtp_session_with_url(url, h->session_id);
2971 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2975 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2976 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2977 rtp_c->state != HTTPSTATE_READY) {
2978 rtsp_reply_error(c, RTSP_STATUS_STATE);
2983 /* XXX: seek in stream */
2984 if (h->range_start != AV_NOPTS_VALUE) {
2985 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2986 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2990 rtp_c->state = HTTPSTATE_SEND_DATA;
2992 /* now everything is OK, so we can send the connection parameters */
2993 rtsp_reply_header(c, RTSP_STATUS_OK);
2995 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2996 url_fprintf(c->pb, "\r\n");
2999 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3003 rtp_c = find_rtp_session_with_url(url, h->session_id);
3005 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3009 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3010 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3011 rtsp_reply_error(c, RTSP_STATUS_STATE);
3015 rtp_c->state = HTTPSTATE_READY;
3016 rtp_c->first_pts = AV_NOPTS_VALUE;
3017 /* now everything is OK, so we can send the connection parameters */
3018 rtsp_reply_header(c, RTSP_STATUS_OK);
3020 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3021 url_fprintf(c->pb, "\r\n");
3024 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3028 rtp_c = find_rtp_session_with_url(url, h->session_id);
3030 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3034 /* abort the session */
3035 close_connection(rtp_c);
3037 if (ff_rtsp_callback) {
3038 ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
3040 rtp_c->stream->rtsp_option);
3043 /* now everything is OK, so we can send the connection parameters */
3044 rtsp_reply_header(c, RTSP_STATUS_OK);
3046 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3047 url_fprintf(c->pb, "\r\n");
3051 /********************************************************************/
3054 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3055 FFStream *stream, const char *session_id,
3056 enum RTSPProtocol rtp_protocol)
3058 HTTPContext *c = NULL;
3059 const char *proto_str;
3061 /* XXX: should output a warning page when coming
3062 close to the connection limit */
3063 if (nb_connections >= nb_max_connections)
3066 /* add a new connection */
3067 c = av_mallocz(sizeof(HTTPContext));
3072 c->poll_entry = NULL;
3073 c->from_addr = *from_addr;
3074 c->buffer_size = IOBUFFER_INIT_SIZE;
3075 c->buffer = av_malloc(c->buffer_size);
3080 pstrcpy(c->session_id, sizeof(c->session_id), session_id);
3081 c->state = HTTPSTATE_READY;
3082 c->is_packetized = 1;
3083 c->rtp_protocol = rtp_protocol;
3085 /* protocol is shown in statistics */
3086 switch(c->rtp_protocol) {
3087 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3088 proto_str = "MCAST";
3090 case RTSP_PROTOCOL_RTP_UDP:
3093 case RTSP_PROTOCOL_RTP_TCP:
3100 pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
3101 pstrcat(c->protocol, sizeof(c->protocol), proto_str);
3103 current_bandwidth += stream->bandwidth;
3105 c->next = first_http_ctx;
3117 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3118 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3120 static int rtp_new_av_stream(HTTPContext *c,
3121 int stream_index, struct sockaddr_in *dest_addr,
3122 HTTPContext *rtsp_c)
3124 AVFormatContext *ctx;
3130 int max_packet_size;
3132 /* now we can open the relevant output stream */
3133 ctx = av_alloc_format_context();
3136 ctx->oformat = &rtp_mux;
3138 st = av_mallocz(sizeof(AVStream));
3141 ctx->nb_streams = 1;
3142 ctx->streams[0] = st;
3144 if (!c->stream->feed ||
3145 c->stream->feed == c->stream) {
3146 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3149 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3153 /* build destination RTP address */
3154 ipaddr = inet_ntoa(dest_addr->sin_addr);
3156 switch(c->rtp_protocol) {
3157 case RTSP_PROTOCOL_RTP_UDP:
3158 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3161 /* XXX: also pass as parameter to function ? */
3162 if (c->stream->is_multicast) {
3164 ttl = c->stream->multicast_ttl;
3167 snprintf(ctx->filename, sizeof(ctx->filename),
3168 "rtp://%s:%d?multicast=1&ttl=%d",
3169 ipaddr, ntohs(dest_addr->sin_port), ttl);
3171 snprintf(ctx->filename, sizeof(ctx->filename),
3172 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3175 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3177 c->rtp_handles[stream_index] = h;
3178 max_packet_size = url_get_max_packet_size(h);
3180 case RTSP_PROTOCOL_RTP_TCP:
3183 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3189 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3190 ipaddr, ntohs(dest_addr->sin_port),
3192 c->stream->filename, stream_index, c->protocol);
3194 /* normally, no packets should be output here, but the packet size may be checked */
3195 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3196 /* XXX: close stream */
3199 av_set_parameters(ctx, NULL);
3200 if (av_write_header(ctx) < 0) {
3207 url_close_dyn_buf(&ctx->pb, &dummy_buf);
3210 c->rtp_ctx[stream_index] = ctx;
3214 /********************************************************************/
3215 /* ffserver initialization */
3217 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3221 fst = av_mallocz(sizeof(AVStream));
3224 fst->priv_data = av_mallocz(sizeof(FeedData));
3225 memcpy(&fst->codec, codec, sizeof(AVCodecContext));
3226 fst->codec.coded_frame = &dummy_frame;
3227 fst->index = stream->nb_streams;
3228 av_set_pts_info(fst, 33, 1, 90000);
3229 stream->streams[stream->nb_streams++] = fst;
3233 /* return the stream number in the feed */
3234 static int add_av_stream(FFStream *feed, AVStream *st)
3237 AVCodecContext *av, *av1;
3241 for(i=0;i<feed->nb_streams;i++) {
3242 st = feed->streams[i];
3244 if (av1->codec_id == av->codec_id &&
3245 av1->codec_type == av->codec_type &&
3246 av1->bit_rate == av->bit_rate) {
3248 switch(av->codec_type) {
3249 case CODEC_TYPE_AUDIO:
3250 if (av1->channels == av->channels &&
3251 av1->sample_rate == av->sample_rate)
3254 case CODEC_TYPE_VIDEO:
3255 if (av1->width == av->width &&
3256 av1->height == av->height &&
3257 av1->frame_rate == av->frame_rate &&
3258 av1->frame_rate_base == av->frame_rate_base &&
3259 av1->gop_size == av->gop_size)
3268 fst = add_av_stream1(feed, av);
3271 return feed->nb_streams - 1;
3276 static void remove_stream(FFStream *stream)
3280 while (*ps != NULL) {
3281 if (*ps == stream) {
3289 /* specific mpeg4 handling : we extract the raw parameters */
3290 static void extract_mpeg4_header(AVFormatContext *infile)
3292 int mpeg4_count, i, size;
3298 for(i=0;i<infile->nb_streams;i++) {
3299 st = infile->streams[i];
3300 if (st->codec.codec_id == CODEC_ID_MPEG4 &&
3301 st->codec.extradata_size == 0) {
3308 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3309 while (mpeg4_count > 0) {
3310 if (av_read_packet(infile, &pkt) < 0)
3312 st = infile->streams[pkt.stream_index];
3313 if (st->codec.codec_id == CODEC_ID_MPEG4 &&
3314 st->codec.extradata_size == 0) {
3315 av_freep(&st->codec.extradata);
3316 /* fill extradata with the header */
3317 /* XXX: we make hard suppositions here ! */
3319 while (p < pkt.data + pkt.size - 4) {
3320 /* stop when vop header is found */
3321 if (p[0] == 0x00 && p[1] == 0x00 &&
3322 p[2] == 0x01 && p[3] == 0xb6) {
3323 size = p - pkt.data;
3324 // av_hex_dump(pkt.data, size);
3325 st->codec.extradata = av_malloc(size);
3326 st->codec.extradata_size = size;
3327 memcpy(st->codec.extradata, pkt.data, size);
3334 av_free_packet(&pkt);
3338 /* compute the needed AVStream for each file */
3339 static void build_file_streams(void)
3341 FFStream *stream, *stream_next;
3342 AVFormatContext *infile;
3345 /* gather all streams */
3346 for(stream = first_stream; stream != NULL; stream = stream_next) {
3347 stream_next = stream->next;
3348 if (stream->stream_type == STREAM_TYPE_LIVE &&
3350 /* the stream comes from a file */
3351 /* try to open the file */
3353 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3354 if (stream->fmt == &rtp_mux) {
3355 /* specific case : if transport stream output to RTP,
3356 we use a raw transport stream reader */
3357 stream->ap_in->mpeg2ts_raw = 1;
3358 stream->ap_in->mpeg2ts_compute_pcr = 1;
3361 if (av_open_input_file(&infile, stream->feed_filename,
3362 stream->ifmt, 0, stream->ap_in) < 0) {
3363 http_log("%s not found", stream->feed_filename);
3364 /* remove stream (no need to spend more time on it) */
3366 remove_stream(stream);
3368 /* find all the AVStreams inside and reference them in
3370 if (av_find_stream_info(infile) < 0) {
3371 http_log("Could not find codec parameters from '%s'",
3372 stream->feed_filename);
3373 av_close_input_file(infile);
3376 extract_mpeg4_header(infile);
3378 for(i=0;i<infile->nb_streams;i++) {
3379 add_av_stream1(stream, &infile->streams[i]->codec);
3381 av_close_input_file(infile);
3387 /* compute the needed AVStream for each feed */
3388 static void build_feed_streams(void)
3390 FFStream *stream, *feed;
3393 /* gather all streams */
3394 for(stream = first_stream; stream != NULL; stream = stream->next) {
3395 feed = stream->feed;
3397 if (!stream->is_feed) {
3398 /* we handle a stream coming from a feed */
3399 for(i=0;i<stream->nb_streams;i++) {
3400 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3406 /* gather all streams */
3407 for(stream = first_stream; stream != NULL; stream = stream->next) {
3408 feed = stream->feed;
3410 if (stream->is_feed) {
3411 for(i=0;i<stream->nb_streams;i++) {
3412 stream->feed_streams[i] = i;
3418 /* create feed files if needed */
3419 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3422 if (url_exist(feed->feed_filename)) {
3423 /* See if it matches */
3427 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3428 /* Now see if it matches */
3429 if (s->nb_streams == feed->nb_streams) {
3431 for(i=0;i<s->nb_streams;i++) {
3433 sf = feed->streams[i];
3436 if (sf->index != ss->index ||
3438 printf("Index & Id do not match for stream %d (%s)\n",
3439 i, feed->feed_filename);
3442 AVCodecContext *ccf, *ccs;
3446 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3448 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3449 printf("Codecs do not match for stream %d\n", i);
3451 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3452 printf("Codec bitrates do not match for stream %d\n", i);
3454 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3455 if (CHECK_CODEC(frame_rate) ||
3456 CHECK_CODEC(frame_rate_base) ||
3457 CHECK_CODEC(width) ||
3458 CHECK_CODEC(height)) {
3459 printf("Codec width, height and framerate do not match for stream %d\n", i);
3462 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3463 if (CHECK_CODEC(sample_rate) ||
3464 CHECK_CODEC(channels) ||
3465 CHECK_CODEC(frame_size)) {
3466 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3470 printf("Unknown codec type\n");
3479 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3480 feed->feed_filename, s->nb_streams, feed->nb_streams);
3483 av_close_input_file(s);
3485 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3486 feed->feed_filename);
3489 if (feed->readonly) {
3490 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3491 feed->feed_filename);
3494 unlink(feed->feed_filename);
3497 if (!url_exist(feed->feed_filename)) {
3498 AVFormatContext s1, *s = &s1;
3500 if (feed->readonly) {
3501 printf("Unable to create feed file '%s' as it is marked readonly\n",
3502 feed->feed_filename);
3506 /* only write the header of the ffm file */
3507 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3508 fprintf(stderr, "Could not open output feed file '%s'\n",
3509 feed->feed_filename);
3512 s->oformat = feed->fmt;
3513 s->nb_streams = feed->nb_streams;
3514 for(i=0;i<s->nb_streams;i++) {
3516 st = feed->streams[i];
3519 av_set_parameters(s, NULL);
3521 /* XXX: need better api */
3522 av_freep(&s->priv_data);
3525 /* get feed size and write index */
3526 fd = open(feed->feed_filename, O_RDONLY);
3528 fprintf(stderr, "Could not open output feed file '%s'\n",
3529 feed->feed_filename);
3533 feed->feed_write_index = ffm_read_write_index(fd);
3534 feed->feed_size = lseek(fd, 0, SEEK_END);
3535 /* ensure that we do not wrap before the end of file */
3536 if (feed->feed_max_size < feed->feed_size)
3537 feed->feed_max_size = feed->feed_size;
3543 /* compute the bandwidth used by each stream */
3544 static void compute_bandwidth(void)
3549 for(stream = first_stream; stream != NULL; stream = stream->next) {
3551 for(i=0;i<stream->nb_streams;i++) {
3552 AVStream *st = stream->streams[i];
3553 switch(st->codec.codec_type) {
3554 case CODEC_TYPE_AUDIO:
3555 case CODEC_TYPE_VIDEO:
3556 bandwidth += st->codec.bit_rate;
3562 stream->bandwidth = (bandwidth + 999) / 1000;
3566 static void get_arg(char *buf, int buf_size, const char **pp)
3573 while (isspace(*p)) p++;
3576 if (*p == '\"' || *p == '\'')
3588 if ((q - buf) < buf_size - 1)
3593 if (quote && *p == quote)
3598 /* add a codec and set the default parameters */
3599 static void add_codec(FFStream *stream, AVCodecContext *av)
3603 /* compute default parameters */
3604 switch(av->codec_type) {
3605 case CODEC_TYPE_AUDIO:
3606 if (av->bit_rate == 0)
3607 av->bit_rate = 64000;
3608 if (av->sample_rate == 0)
3609 av->sample_rate = 22050;
3610 if (av->channels == 0)
3613 case CODEC_TYPE_VIDEO:
3614 if (av->bit_rate == 0)
3615 av->bit_rate = 64000;
3616 if (av->frame_rate == 0){
3618 av->frame_rate_base = 1;
3620 if (av->width == 0 || av->height == 0) {
3624 /* Bitrate tolerance is less for streaming */
3625 if (av->bit_rate_tolerance == 0)
3626 av->bit_rate_tolerance = av->bit_rate / 4;
3631 if (av->max_qdiff == 0)
3633 av->qcompress = 0.5;
3637 av->rc_eq = "tex^qComp";
3638 if (!av->i_quant_factor)
3639 av->i_quant_factor = -0.8;
3640 if (!av->b_quant_factor)
3641 av->b_quant_factor = 1.25;
3642 if (!av->b_quant_offset)
3643 av->b_quant_offset = 1.25;
3644 if (!av->rc_max_rate)
3645 av->rc_max_rate = av->bit_rate * 2;
3652 st = av_mallocz(sizeof(AVStream));
3655 stream->streams[stream->nb_streams++] = st;
3656 memcpy(&st->codec, av, sizeof(AVCodecContext));
3659 static int opt_audio_codec(const char *arg)
3665 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3670 return CODEC_ID_NONE;
3676 static int opt_video_codec(const char *arg)
3682 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3687 return CODEC_ID_NONE;
3693 /* simplistic plugin support */
3695 #ifdef CONFIG_HAVE_DLOPEN
3696 void load_module(const char *filename)
3699 void (*init_func)(void);
3700 dll = dlopen(filename, RTLD_NOW);
3702 fprintf(stderr, "Could not load module '%s' - %s\n",
3703 filename, dlerror());
3707 init_func = dlsym(dll, "ffserver_module_init");
3710 "%s: init function 'ffserver_module_init()' not found\n",
3719 static int parse_ffconfig(const char *filename)
3726 int val, errors, line_num;
3727 FFStream **last_stream, *stream, *redirect;
3728 FFStream **last_feed, *feed;
3729 AVCodecContext audio_enc, video_enc;
3730 int audio_id, video_id;
3732 f = fopen(filename, "r");
3740 first_stream = NULL;
3741 last_stream = &first_stream;
3743 last_feed = &first_feed;
3747 audio_id = CODEC_ID_NONE;
3748 video_id = CODEC_ID_NONE;
3750 if (fgets(line, sizeof(line), f) == NULL)
3756 if (*p == '\0' || *p == '#')
3759 get_arg(cmd, sizeof(cmd), &p);
3761 if (!strcasecmp(cmd, "Port")) {
3762 get_arg(arg, sizeof(arg), &p);
3763 my_http_addr.sin_port = htons (atoi(arg));
3764 } else if (!strcasecmp(cmd, "BindAddress")) {
3765 get_arg(arg, sizeof(arg), &p);
3766 if (!inet_aton(arg, &my_http_addr.sin_addr)) {
3767 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3768 filename, line_num, arg);
3771 } else if (!strcasecmp(cmd, "NoDaemon")) {
3772 ffserver_daemon = 0;
3773 } else if (!strcasecmp(cmd, "RTSPPort")) {
3774 get_arg(arg, sizeof(arg), &p);
3775 my_rtsp_addr.sin_port = htons (atoi(arg));
3776 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3777 get_arg(arg, sizeof(arg), &p);
3778 if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
3779 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3780 filename, line_num, arg);
3783 } else if (!strcasecmp(cmd, "MaxClients")) {
3784 get_arg(arg, sizeof(arg), &p);
3786 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3787 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3788 filename, line_num, arg);
3791 nb_max_connections = val;
3793 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3794 get_arg(arg, sizeof(arg), &p);
3796 if (val < 10 || val > 100000) {
3797 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3798 filename, line_num, arg);
3801 max_bandwidth = val;
3803 } else if (!strcasecmp(cmd, "CustomLog")) {
3804 get_arg(logfilename, sizeof(logfilename), &p);
3805 } else if (!strcasecmp(cmd, "<Feed")) {
3806 /*********************************************/
3807 /* Feed related options */
3809 if (stream || feed) {
3810 fprintf(stderr, "%s:%d: Already in a tag\n",
3811 filename, line_num);
3813 feed = av_mallocz(sizeof(FFStream));
3814 /* add in stream list */
3815 *last_stream = feed;
3816 last_stream = &feed->next;
3817 /* add in feed list */
3819 last_feed = &feed->next_feed;
3821 get_arg(feed->filename, sizeof(feed->filename), &p);
3822 q = strrchr(feed->filename, '>');
3825 feed->fmt = guess_format("ffm", NULL, NULL);
3826 /* defaut feed file */
3827 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3828 "/tmp/%s.ffm", feed->filename);
3829 feed->feed_max_size = 5 * 1024 * 1024;
3831 feed->feed = feed; /* self feeding :-) */
3833 } else if (!strcasecmp(cmd, "Launch")) {
3837 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3839 feed->child_argv[0] = av_malloc(7);
3840 strcpy(feed->child_argv[0], "ffmpeg");
3842 for (i = 1; i < 62; i++) {
3845 get_arg(argbuf, sizeof(argbuf), &p);
3849 feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
3850 strcpy(feed->child_argv[i], argbuf);
3853 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3855 snprintf(feed->child_argv[i], 256, "http://127.0.0.1:%d/%s",
3856 ntohs(my_http_addr.sin_port), feed->filename);
3858 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3860 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3862 } else if (stream) {
3863 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3865 } else if (!strcasecmp(cmd, "File")) {
3867 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3868 } else if (stream) {
3869 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3871 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3876 get_arg(arg, sizeof(arg), &p);
3878 fsize = strtod(p1, (char **)&p1);
3879 switch(toupper(*p1)) {
3884 fsize *= 1024 * 1024;
3887 fsize *= 1024 * 1024 * 1024;
3890 feed->feed_max_size = (int64_t)fsize;
3892 } else if (!strcasecmp(cmd, "</Feed>")) {
3894 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3895 filename, line_num);
3899 /* Make sure that we start out clean */
3900 if (unlink(feed->feed_filename) < 0
3901 && errno != ENOENT) {
3902 fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
3903 filename, line_num, feed->feed_filename, strerror(errno));
3909 } else if (!strcasecmp(cmd, "<Stream")) {
3910 /*********************************************/
3911 /* Stream related options */
3913 if (stream || feed) {
3914 fprintf(stderr, "%s:%d: Already in a tag\n",
3915 filename, line_num);
3917 stream = av_mallocz(sizeof(FFStream));
3918 *last_stream = stream;
3919 last_stream = &stream->next;
3921 get_arg(stream->filename, sizeof(stream->filename), &p);
3922 q = strrchr(stream->filename, '>');
3925 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3926 memset(&audio_enc, 0, sizeof(AVCodecContext));
3927 memset(&video_enc, 0, sizeof(AVCodecContext));
3928 audio_id = CODEC_ID_NONE;
3929 video_id = CODEC_ID_NONE;
3931 audio_id = stream->fmt->audio_codec;
3932 video_id = stream->fmt->video_codec;
3935 } else if (!strcasecmp(cmd, "Feed")) {
3936 get_arg(arg, sizeof(arg), &p);
3941 while (sfeed != NULL) {
3942 if (!strcmp(sfeed->filename, arg))
3944 sfeed = sfeed->next_feed;
3947 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3948 filename, line_num, arg);
3950 stream->feed = sfeed;
3953 } else if (!strcasecmp(cmd, "Format")) {
3954 get_arg(arg, sizeof(arg), &p);
3955 if (!strcmp(arg, "status")) {
3956 stream->stream_type = STREAM_TYPE_STATUS;
3959 stream->stream_type = STREAM_TYPE_LIVE;
3960 /* jpeg cannot be used here, so use single frame jpeg */
3961 if (!strcmp(arg, "jpeg"))
3962 strcpy(arg, "singlejpeg");
3963 stream->fmt = guess_stream_format(arg, NULL, NULL);
3965 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3966 filename, line_num, arg);
3971 audio_id = stream->fmt->audio_codec;
3972 video_id = stream->fmt->video_codec;
3974 } else if (!strcasecmp(cmd, "InputFormat")) {
3975 stream->ifmt = av_find_input_format(arg);
3976 if (!stream->ifmt) {
3977 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3978 filename, line_num, arg);
3980 } else if (!strcasecmp(cmd, "FaviconURL")) {
3981 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3982 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3984 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3985 filename, line_num);
3988 } else if (!strcasecmp(cmd, "Author")) {
3990 get_arg(stream->author, sizeof(stream->author), &p);
3992 } else if (!strcasecmp(cmd, "Comment")) {
3994 get_arg(stream->comment, sizeof(stream->comment), &p);
3996 } else if (!strcasecmp(cmd, "Copyright")) {
3998 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4000 } else if (!strcasecmp(cmd, "Title")) {
4002 get_arg(stream->title, sizeof(stream->title), &p);
4004 } else if (!strcasecmp(cmd, "Preroll")) {
4005 get_arg(arg, sizeof(arg), &p);
4007 stream->prebuffer = atof(arg) * 1000;
4009 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4011 stream->send_on_key = 1;
4013 } else if (!strcasecmp(cmd, "AudioCodec")) {
4014 get_arg(arg, sizeof(arg), &p);
4015 audio_id = opt_audio_codec(arg);
4016 if (audio_id == CODEC_ID_NONE) {
4017 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4018 filename, line_num, arg);
4021 } else if (!strcasecmp(cmd, "VideoCodec")) {
4022 get_arg(arg, sizeof(arg), &p);
4023 video_id = opt_video_codec(arg);
4024 if (video_id == CODEC_ID_NONE) {
4025 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4026 filename, line_num, arg);
4029 } else if (!strcasecmp(cmd, "MaxTime")) {
4030 get_arg(arg, sizeof(arg), &p);
4032 stream->max_time = atof(arg) * 1000;
4034 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4035 get_arg(arg, sizeof(arg), &p);
4037 audio_enc.bit_rate = atoi(arg) * 1000;
4039 } else if (!strcasecmp(cmd, "AudioChannels")) {
4040 get_arg(arg, sizeof(arg), &p);
4042 audio_enc.channels = atoi(arg);
4044 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4045 get_arg(arg, sizeof(arg), &p);
4047 audio_enc.sample_rate = atoi(arg);
4049 } else if (!strcasecmp(cmd, "AudioQuality")) {
4050 get_arg(arg, sizeof(arg), &p);
4052 // audio_enc.quality = atof(arg) * 1000;
4054 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4056 int minrate, maxrate;
4058 get_arg(arg, sizeof(arg), &p);
4060 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4061 video_enc.rc_min_rate = minrate * 1000;
4062 video_enc.rc_max_rate = maxrate * 1000;
4064 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4065 filename, line_num, arg);
4069 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4071 get_arg(arg, sizeof(arg), &p);
4072 video_enc.rc_buffer_size = atoi(arg) * 1024;
4074 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4076 get_arg(arg, sizeof(arg), &p);
4077 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4079 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4080 get_arg(arg, sizeof(arg), &p);
4082 video_enc.bit_rate = atoi(arg) * 1000;
4084 } else if (!strcasecmp(cmd, "VideoSize")) {
4085 get_arg(arg, sizeof(arg), &p);
4087 parse_image_size(&video_enc.width, &video_enc.height, arg);
4088 if ((video_enc.width % 16) != 0 ||
4089 (video_enc.height % 16) != 0) {
4090 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4091 filename, line_num);
4095 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4096 get_arg(arg, sizeof(arg), &p);
4098 video_enc.frame_rate_base= DEFAULT_FRAME_RATE_BASE;
4099 video_enc.frame_rate = (int)(strtod(arg, NULL) * video_enc.frame_rate_base);
4101 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4102 get_arg(arg, sizeof(arg), &p);
4104 video_enc.gop_size = atoi(arg);
4106 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4108 video_enc.gop_size = 1;
4110 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4112 video_enc.mb_decision = FF_MB_DECISION_BITS;
4114 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4116 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4117 video_enc.flags |= CODEC_FLAG_4MV;
4119 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4120 get_arg(arg, sizeof(arg), &p);
4122 video_enc.max_qdiff = atoi(arg);
4123 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4124 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4125 filename, line_num);
4129 } else if (!strcasecmp(cmd, "VideoQMax")) {
4130 get_arg(arg, sizeof(arg), &p);
4132 video_enc.qmax = atoi(arg);
4133 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4134 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4135 filename, line_num);
4139 } else if (!strcasecmp(cmd, "VideoQMin")) {
4140 get_arg(arg, sizeof(arg), &p);
4142 video_enc.qmin = atoi(arg);
4143 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4144 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4145 filename, line_num);
4149 } else if (!strcasecmp(cmd, "LumaElim")) {
4150 get_arg(arg, sizeof(arg), &p);
4152 video_enc.luma_elim_threshold = atoi(arg);
4154 } else if (!strcasecmp(cmd, "ChromaElim")) {
4155 get_arg(arg, sizeof(arg), &p);
4157 video_enc.chroma_elim_threshold = atoi(arg);
4159 } else if (!strcasecmp(cmd, "LumiMask")) {
4160 get_arg(arg, sizeof(arg), &p);
4162 video_enc.lumi_masking = atof(arg);
4164 } else if (!strcasecmp(cmd, "DarkMask")) {
4165 get_arg(arg, sizeof(arg), &p);
4167 video_enc.dark_masking = atof(arg);
4169 } else if (!strcasecmp(cmd, "NoVideo")) {
4170 video_id = CODEC_ID_NONE;
4171 } else if (!strcasecmp(cmd, "NoAudio")) {
4172 audio_id = CODEC_ID_NONE;
4173 } else if (!strcasecmp(cmd, "ACL")) {
4177 get_arg(arg, sizeof(arg), &p);
4178 if (strcasecmp(arg, "allow") == 0) {
4179 acl.action = IP_ALLOW;
4180 } else if (strcasecmp(arg, "deny") == 0) {
4181 acl.action = IP_DENY;
4183 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4184 filename, line_num, arg);
4188 get_arg(arg, sizeof(arg), &p);
4190 he = gethostbyname(arg);
4192 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4193 filename, line_num, arg);
4196 /* Only take the first */
4197 acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4198 acl.last = acl.first;
4201 get_arg(arg, sizeof(arg), &p);
4204 he = gethostbyname(arg);
4206 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4207 filename, line_num, arg);
4210 /* Only take the first */
4211 acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4216 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4217 IPAddressACL **naclp = 0;
4223 naclp = &stream->acl;
4227 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4228 filename, line_num);
4234 naclp = &(*naclp)->next;
4239 } else if (!strcasecmp(cmd, "RTSPOption")) {
4240 get_arg(arg, sizeof(arg), &p);
4242 av_freep(&stream->rtsp_option);
4243 /* XXX: av_strdup ? */
4244 stream->rtsp_option = av_malloc(strlen(arg) + 1);
4245 if (stream->rtsp_option) {
4246 strcpy(stream->rtsp_option, arg);
4249 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4250 get_arg(arg, sizeof(arg), &p);
4252 if (!inet_aton(arg, &stream->multicast_ip)) {
4253 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
4254 filename, line_num, arg);
4257 stream->is_multicast = 1;
4258 stream->loop = 1; /* default is looping */
4260 } else if (!strcasecmp(cmd, "MulticastPort")) {
4261 get_arg(arg, sizeof(arg), &p);
4263 stream->multicast_port = atoi(arg);
4265 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4266 get_arg(arg, sizeof(arg), &p);
4268 stream->multicast_ttl = atoi(arg);
4270 } else if (!strcasecmp(cmd, "NoLoop")) {
4274 } else if (!strcasecmp(cmd, "</Stream>")) {
4276 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4277 filename, line_num);
4280 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4281 if (audio_id != CODEC_ID_NONE) {
4282 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4283 audio_enc.codec_id = audio_id;
4284 add_codec(stream, &audio_enc);
4286 if (video_id != CODEC_ID_NONE) {
4287 video_enc.codec_type = CODEC_TYPE_VIDEO;
4288 video_enc.codec_id = video_id;
4289 if (!video_enc.rc_buffer_size) {
4290 video_enc.rc_buffer_size = 40 * 1024;
4292 add_codec(stream, &video_enc);
4296 } else if (!strcasecmp(cmd, "<Redirect")) {
4297 /*********************************************/
4299 if (stream || feed || redirect) {
4300 fprintf(stderr, "%s:%d: Already in a tag\n",
4301 filename, line_num);
4304 redirect = av_mallocz(sizeof(FFStream));
4305 *last_stream = redirect;
4306 last_stream = &redirect->next;
4308 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4309 q = strrchr(redirect->filename, '>');
4312 redirect->stream_type = STREAM_TYPE_REDIRECT;
4314 } else if (!strcasecmp(cmd, "URL")) {
4316 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4318 } else if (!strcasecmp(cmd, "</Redirect>")) {
4320 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4321 filename, line_num);
4324 if (!redirect->feed_filename[0]) {
4325 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4326 filename, line_num);
4330 } else if (!strcasecmp(cmd, "LoadModule")) {
4331 get_arg(arg, sizeof(arg), &p);
4332 #ifdef CONFIG_HAVE_DLOPEN
4335 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4336 filename, line_num, arg);
4340 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4341 filename, line_num, cmd);
4355 static void write_packet(FFCodec *ffenc,
4356 uint8_t *buf, int size)
4359 AVCodecContext *enc = &ffenc->enc;
4361 mk_header(&hdr, enc, size);
4362 wptr = http_fifo.wptr;
4363 fifo_write(&http_fifo, (uint8_t *)&hdr, sizeof(hdr), &wptr);
4364 fifo_write(&http_fifo, buf, size, &wptr);
4365 /* atomic modification of wptr */
4366 http_fifo.wptr = wptr;
4367 ffenc->data_count += size;
4368 ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
4372 static void show_banner(void)
4374 printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
4377 static void show_help(void)
4380 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4381 "Hyper fast multi format Audio/Video streaming server\n"
4383 "-L : print the LICENSE\n"
4385 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4389 static void show_license(void)
4393 "This library is free software; you can redistribute it and/or\n"
4394 "modify it under the terms of the GNU Lesser General Public\n"
4395 "License as published by the Free Software Foundation; either\n"
4396 "version 2 of the License, or (at your option) any later version.\n"
4398 "This library is distributed in the hope that it will be useful,\n"
4399 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4400 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4401 "Lesser General Public License for more details.\n"
4403 "You should have received a copy of the GNU Lesser General Public\n"
4404 "License along with this library; if not, write to the Free Software\n"
4405 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4409 static void handle_child_exit(int sig)
4414 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4417 for (feed = first_feed; feed; feed = feed->next) {
4418 if (feed->pid == pid) {
4419 int uptime = time(0) - feed->pid_start;
4422 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4425 /* Turn off any more restarts */
4426 feed->child_argv = 0;
4432 need_to_start_children = 1;
4435 int main(int argc, char **argv)
4437 const char *config_filename;
4439 struct sigaction sigact;
4443 config_filename = "/etc/ffserver.conf";
4445 my_program_name = argv[0];
4446 my_program_dir = getcwd(0, 0);
4447 ffserver_daemon = 1;
4450 c = getopt(argc, argv, "ndLh?f:");
4466 ffserver_daemon = 0;
4469 config_filename = optarg;
4476 putenv("http_proxy"); /* Kill the http_proxy */
4478 srandom(gettime_ms() + (getpid() << 16));
4480 /* address on which the server will handle HTTP connections */
4481 my_http_addr.sin_family = AF_INET;
4482 my_http_addr.sin_port = htons (8080);
4483 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4485 /* address on which the server will handle RTSP connections */
4486 my_rtsp_addr.sin_family = AF_INET;
4487 my_rtsp_addr.sin_port = htons (5454);
4488 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4490 nb_max_connections = 5;
4491 max_bandwidth = 1000;
4492 first_stream = NULL;
4493 logfilename[0] = '\0';
4495 memset(&sigact, 0, sizeof(sigact));
4496 sigact.sa_handler = handle_child_exit;
4497 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4498 sigaction(SIGCHLD, &sigact, 0);
4500 if (parse_ffconfig(config_filename) < 0) {
4501 fprintf(stderr, "Incorrect config file - exiting.\n");
4505 build_file_streams();
4507 build_feed_streams();
4509 compute_bandwidth();
4511 /* put the process in background and detach it from its TTY */
4512 if (ffserver_daemon) {
4519 } else if (pid > 0) {
4527 open("/dev/null", O_RDWR);
4528 if (strcmp(logfilename, "-") != 0) {
4538 signal(SIGPIPE, SIG_IGN);
4540 /* open log file if needed */
4541 if (logfilename[0] != '\0') {
4542 if (!strcmp(logfilename, "-"))
4545 logfile = fopen(logfilename, "w");
4548 if (http_server() < 0) {
4549 fprintf(stderr, "Could not start server\n");