2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #define HAVE_AV_CONFIG_H
27 #include <sys/ioctl.h>
28 #ifdef HAVE_SYS_POLL_H
33 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
35 #include <sys/types.h>
36 #include <sys/socket.h>
38 #include <netinet/in.h>
39 #include <arpa/inet.h>
49 /* maximum number of simultaneous HTTP connections */
50 #define HTTP_MAX_CONNECTIONS 2000
53 HTTPSTATE_WAIT_REQUEST,
54 HTTPSTATE_SEND_HEADER,
55 HTTPSTATE_SEND_DATA_HEADER,
56 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
57 HTTPSTATE_SEND_DATA_TRAILER,
58 HTTPSTATE_RECEIVE_DATA,
59 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
62 RTSPSTATE_WAIT_REQUEST,
64 RTSPSTATE_SEND_PACKET,
67 const char *http_state[] = {
83 #define IOBUFFER_INIT_SIZE 8192
85 /* coef for exponential mean for bitrate estimation in statistics */
88 /* timeouts are in ms */
89 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
90 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
92 #define SYNC_TIMEOUT (10 * 1000)
95 int64_t count1, count2;
99 /* context associated with one connection */
100 typedef struct HTTPContext {
101 enum HTTPState state;
102 int fd; /* socket file descriptor */
103 struct sockaddr_in from_addr; /* origin */
104 struct pollfd *poll_entry; /* used when polling */
106 uint8_t *buffer_ptr, *buffer_end;
109 struct HTTPContext *next;
110 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
114 /* input format handling */
115 AVFormatContext *fmt_in;
116 long start_time; /* In milliseconds - this wraps fairly often */
117 int64_t first_pts; /* initial pts value */
118 int64_t cur_pts; /* current pts value from the stream in us */
119 int64_t cur_frame_duration; /* duration of the current frame in us */
120 int cur_frame_bytes; /* output frame size, needed to compute
121 the time at which we send each
123 int pts_stream_index; /* stream we choose as clock reference */
124 int64_t cur_clock; /* current clock reference value in us */
125 /* output format handling */
126 struct FFStream *stream;
127 /* -1 is invalid stream */
128 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
129 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
131 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
132 int last_packet_sent; /* true if last data packet was sent */
134 DataRateData datarate;
141 int is_packetized; /* if true, the stream is packetized */
142 int packet_stream_index; /* current stream for output in state machine */
144 /* RTSP state specific */
145 uint8_t *pb_buffer; /* XXX: use that in all the code */
147 int seq; /* RTSP sequence number */
149 /* RTP state specific */
150 enum RTSPProtocol rtp_protocol;
151 char session_id[32]; /* session id */
152 AVFormatContext *rtp_ctx[MAX_STREAMS];
154 /* RTP/UDP specific */
155 URLContext *rtp_handles[MAX_STREAMS];
157 /* RTP/TCP specific */
158 struct HTTPContext *rtsp_c;
159 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
162 static AVFrame dummy_frame;
164 /* each generated stream is described here */
168 STREAM_TYPE_REDIRECT,
171 enum IPAddressAction {
176 typedef struct IPAddressACL {
177 struct IPAddressACL *next;
178 enum IPAddressAction action;
179 /* These are in host order */
180 struct in_addr first;
184 /* description of each stream of the ffserver.conf file */
185 typedef struct FFStream {
186 enum StreamType stream_type;
187 char filename[1024]; /* stream filename */
188 struct FFStream *feed; /* feed we are using (can be null if
190 AVFormatParameters *ap_in; /* input parameters */
191 AVInputFormat *ifmt; /* if non NULL, force input format */
195 int prebuffer; /* Number of millseconds early to start */
196 long max_time; /* Number of milliseconds to run */
198 AVStream *streams[MAX_STREAMS];
199 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
200 char feed_filename[1024]; /* file name of the feed storage, or
201 input file name for a stream */
206 pid_t pid; /* Of ffmpeg process */
207 time_t pid_start; /* Of ffmpeg process */
209 struct FFStream *next;
210 int bandwidth; /* bandwidth, in kbits/s */
213 /* multicast specific */
215 struct in_addr multicast_ip;
216 int multicast_port; /* first port used for multicast */
218 int loop; /* if true, send the stream in loops (only meaningful if file) */
221 int feed_opened; /* true if someone is writing to the feed */
222 int is_feed; /* true if it is a feed */
223 int readonly; /* True if writing is prohibited to the file */
225 int64_t bytes_served;
226 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
227 int64_t feed_write_index; /* current write position in feed (it wraps round) */
228 int64_t feed_size; /* current size of feed */
229 struct FFStream *next_feed;
232 typedef struct FeedData {
233 long long data_count;
234 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
237 struct sockaddr_in my_http_addr;
238 struct sockaddr_in my_rtsp_addr;
240 static char logfilename[1024];
241 static HTTPContext *first_http_ctx;
242 static FFStream *first_feed; /* contains only feeds */
243 static FFStream *first_stream; /* contains all streams, including feeds */
245 static void new_connection(int server_fd, int is_rtsp);
246 static void close_connection(HTTPContext *c);
249 static int handle_connection(HTTPContext *c);
250 static int http_parse_request(HTTPContext *c);
251 static int http_send_data(HTTPContext *c);
252 static void compute_stats(HTTPContext *c);
253 static int open_input_stream(HTTPContext *c, const char *info);
254 static int http_start_receive_data(HTTPContext *c);
255 static int http_receive_data(HTTPContext *c);
258 static int rtsp_parse_request(HTTPContext *c);
259 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
260 static void rtsp_cmd_options(HTTPContext *c, const char *url);
261 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
262 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
263 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
264 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
267 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
268 struct in_addr my_ip);
271 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
272 FFStream *stream, const char *session_id,
273 enum RTSPProtocol rtp_protocol);
274 static int rtp_new_av_stream(HTTPContext *c,
275 int stream_index, struct sockaddr_in *dest_addr,
276 HTTPContext *rtsp_c);
278 static const char *my_program_name;
279 static const char *my_program_dir;
281 static int ffserver_debug;
282 static int ffserver_daemon;
283 static int no_launch;
284 static int need_to_start_children;
286 static int nb_max_connections;
287 static int nb_connections;
289 static int max_bandwidth;
290 static int current_bandwidth;
292 static long cur_time; // Making this global saves on passing it around everywhere
294 static long gettime_ms(void)
298 gettimeofday(&tv,NULL);
299 return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
302 static FILE *logfile = NULL;
304 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
310 vfprintf(logfile, fmt, ap);
316 static char *ctime1(char *buf2)
324 p = buf2 + strlen(p) - 1;
330 static void log_connection(HTTPContext *c)
337 http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
338 inet_ntoa(c->from_addr.sin_addr),
339 ctime1(buf2), c->method, c->url,
340 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
343 static void update_datarate(DataRateData *drd, int64_t count)
345 if (!drd->time1 && !drd->count1) {
346 drd->time1 = drd->time2 = cur_time;
347 drd->count1 = drd->count2 = count;
349 if (cur_time - drd->time2 > 5000) {
350 drd->time1 = drd->time2;
351 drd->count1 = drd->count2;
352 drd->time2 = cur_time;
358 /* In bytes per second */
359 static int compute_datarate(DataRateData *drd, int64_t count)
361 if (cur_time == drd->time1)
364 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
368 static void start_children(FFStream *feed)
373 for (; feed; feed = feed->next) {
374 if (feed->child_argv && !feed->pid) {
375 feed->pid_start = time(0);
380 fprintf(stderr, "Unable to create children\n");
389 for (i = 3; i < 256; i++) {
393 if (!ffserver_debug) {
394 i = open("/dev/null", O_RDWR);
403 pstrcpy(pathname, sizeof(pathname), my_program_name);
405 slash = strrchr(pathname, '/');
411 strcpy(slash, "ffmpeg");
413 /* This is needed to make relative pathnames work */
414 chdir(my_program_dir);
416 signal(SIGPIPE, SIG_DFL);
418 execvp(pathname, feed->child_argv);
426 /* open a listening socket */
427 static int socket_open_listen(struct sockaddr_in *my_addr)
431 server_fd = socket(AF_INET,SOCK_STREAM,0);
438 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
440 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
442 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
448 if (listen (server_fd, 5) < 0) {
453 fcntl(server_fd, F_SETFL, O_NONBLOCK);
458 /* start all multicast streams */
459 static void start_multicast(void)
464 struct sockaddr_in dest_addr;
465 int default_port, stream_index;
468 for(stream = first_stream; stream != NULL; stream = stream->next) {
469 if (stream->is_multicast) {
470 /* open the RTP connection */
471 snprintf(session_id, sizeof(session_id),
472 "%08x%08x", (int)random(), (int)random());
474 /* choose a port if none given */
475 if (stream->multicast_port == 0) {
476 stream->multicast_port = default_port;
480 dest_addr.sin_family = AF_INET;
481 dest_addr.sin_addr = stream->multicast_ip;
482 dest_addr.sin_port = htons(stream->multicast_port);
484 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
485 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
489 if (open_input_stream(rtp_c, "") < 0) {
490 fprintf(stderr, "Could not open input stream for stream '%s'\n",
495 /* open each RTP stream */
496 for(stream_index = 0; stream_index < stream->nb_streams;
498 dest_addr.sin_port = htons(stream->multicast_port +
500 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
501 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
502 stream->filename, stream_index);
507 /* change state to send data */
508 rtp_c->state = HTTPSTATE_SEND_DATA;
513 /* main loop of the http server */
514 static int http_server(void)
516 int server_fd, ret, rtsp_server_fd, delay, delay1;
517 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
518 HTTPContext *c, *c_next;
520 server_fd = socket_open_listen(&my_http_addr);
524 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
525 if (rtsp_server_fd < 0)
528 http_log("ffserver started.\n");
530 start_children(first_feed);
532 first_http_ctx = NULL;
538 poll_entry = poll_table;
539 poll_entry->fd = server_fd;
540 poll_entry->events = POLLIN;
543 poll_entry->fd = rtsp_server_fd;
544 poll_entry->events = POLLIN;
547 /* wait for events on each HTTP handle */
554 case HTTPSTATE_SEND_HEADER:
555 case RTSPSTATE_SEND_REPLY:
556 case RTSPSTATE_SEND_PACKET:
557 c->poll_entry = poll_entry;
559 poll_entry->events = POLLOUT;
562 case HTTPSTATE_SEND_DATA_HEADER:
563 case HTTPSTATE_SEND_DATA:
564 case HTTPSTATE_SEND_DATA_TRAILER:
565 if (!c->is_packetized) {
566 /* for TCP, we output as much as we can (may need to put a limit) */
567 c->poll_entry = poll_entry;
569 poll_entry->events = POLLOUT;
572 /* when ffserver is doing the timing, we work by
573 looking at which packet need to be sent every
575 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
580 case HTTPSTATE_WAIT_REQUEST:
581 case HTTPSTATE_RECEIVE_DATA:
582 case HTTPSTATE_WAIT_FEED:
583 case RTSPSTATE_WAIT_REQUEST:
584 /* need to catch errors */
585 c->poll_entry = poll_entry;
587 poll_entry->events = POLLIN;/* Maybe this will work */
591 c->poll_entry = NULL;
597 /* wait for an event on one connection. We poll at least every
598 second to handle timeouts */
600 ret = poll(poll_table, poll_entry - poll_table, delay);
601 if (ret < 0 && errno != EAGAIN && errno != EINTR)
605 cur_time = gettime_ms();
607 if (need_to_start_children) {
608 need_to_start_children = 0;
609 start_children(first_feed);
612 /* now handle the events */
613 for(c = first_http_ctx; c != NULL; c = c_next) {
615 if (handle_connection(c) < 0) {
616 /* close and free the connection */
622 poll_entry = poll_table;
623 /* new HTTP connection request ? */
624 if (poll_entry->revents & POLLIN) {
625 new_connection(server_fd, 0);
628 /* new RTSP connection request ? */
629 if (poll_entry->revents & POLLIN) {
630 new_connection(rtsp_server_fd, 1);
635 /* start waiting for a new HTTP/RTSP request */
636 static void start_wait_request(HTTPContext *c, int is_rtsp)
638 c->buffer_ptr = c->buffer;
639 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
642 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
643 c->state = RTSPSTATE_WAIT_REQUEST;
645 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
646 c->state = HTTPSTATE_WAIT_REQUEST;
650 static void new_connection(int server_fd, int is_rtsp)
652 struct sockaddr_in from_addr;
654 HTTPContext *c = NULL;
656 len = sizeof(from_addr);
657 fd = accept(server_fd, (struct sockaddr *)&from_addr,
661 fcntl(fd, F_SETFL, O_NONBLOCK);
663 /* XXX: should output a warning page when coming
664 close to the connection limit */
665 if (nb_connections >= nb_max_connections)
668 /* add a new connection */
669 c = av_mallocz(sizeof(HTTPContext));
674 c->poll_entry = NULL;
675 c->from_addr = from_addr;
676 c->buffer_size = IOBUFFER_INIT_SIZE;
677 c->buffer = av_malloc(c->buffer_size);
681 c->next = first_http_ctx;
685 start_wait_request(c, is_rtsp);
697 static void close_connection(HTTPContext *c)
699 HTTPContext **cp, *c1;
701 AVFormatContext *ctx;
705 /* remove connection from list */
706 cp = &first_http_ctx;
707 while ((*cp) != NULL) {
716 /* remove references, if any (XXX: do it faster) */
717 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
722 /* remove connection associated resources */
726 /* close each frame parser */
727 for(i=0;i<c->fmt_in->nb_streams;i++) {
728 st = c->fmt_in->streams[i];
729 if (st->codec->codec) {
730 avcodec_close(st->codec);
733 av_close_input_file(c->fmt_in);
736 /* free RTP output streams if any */
739 nb_streams = c->stream->nb_streams;
741 for(i=0;i<nb_streams;i++) {
744 av_write_trailer(ctx);
747 h = c->rtp_handles[i];
755 if (!c->last_packet_sent) {
758 if (url_open_dyn_buf(&ctx->pb) >= 0) {
759 av_write_trailer(ctx);
760 url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
765 for(i=0; i<ctx->nb_streams; i++)
766 av_free(ctx->streams[i]) ;
768 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
769 current_bandwidth -= c->stream->bandwidth;
770 av_freep(&c->pb_buffer);
771 av_freep(&c->packet_buffer);
777 static int handle_connection(HTTPContext *c)
782 case HTTPSTATE_WAIT_REQUEST:
783 case RTSPSTATE_WAIT_REQUEST:
785 if ((c->timeout - cur_time) < 0)
787 if (c->poll_entry->revents & (POLLERR | POLLHUP))
790 /* no need to read if no events */
791 if (!(c->poll_entry->revents & POLLIN))
795 len = read(c->fd, c->buffer_ptr, 1);
797 if (errno != EAGAIN && errno != EINTR)
799 } else if (len == 0) {
802 /* search for end of request. */
804 c->buffer_ptr += len;
806 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
807 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
808 /* request found : parse it and reply */
809 if (c->state == HTTPSTATE_WAIT_REQUEST) {
810 ret = http_parse_request(c);
812 ret = rtsp_parse_request(c);
816 } else if (ptr >= c->buffer_end) {
817 /* request too long: cannot do anything */
819 } else goto read_loop;
823 case HTTPSTATE_SEND_HEADER:
824 if (c->poll_entry->revents & (POLLERR | POLLHUP))
827 /* no need to write if no events */
828 if (!(c->poll_entry->revents & POLLOUT))
830 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
832 if (errno != EAGAIN && errno != EINTR) {
833 /* error : close connection */
834 av_freep(&c->pb_buffer);
838 c->buffer_ptr += len;
840 c->stream->bytes_served += len;
841 c->data_count += len;
842 if (c->buffer_ptr >= c->buffer_end) {
843 av_freep(&c->pb_buffer);
848 /* all the buffer was sent : synchronize to the incoming stream */
849 c->state = HTTPSTATE_SEND_DATA_HEADER;
850 c->buffer_ptr = c->buffer_end = c->buffer;
855 case HTTPSTATE_SEND_DATA:
856 case HTTPSTATE_SEND_DATA_HEADER:
857 case HTTPSTATE_SEND_DATA_TRAILER:
858 /* for packetized output, we consider we can always write (the
859 input streams sets the speed). It may be better to verify
860 that we do not rely too much on the kernel queues */
861 if (!c->is_packetized) {
862 if (c->poll_entry->revents & (POLLERR | POLLHUP))
865 /* no need to read if no events */
866 if (!(c->poll_entry->revents & POLLOUT))
869 if (http_send_data(c) < 0)
872 case HTTPSTATE_RECEIVE_DATA:
873 /* no need to read if no events */
874 if (c->poll_entry->revents & (POLLERR | POLLHUP))
876 if (!(c->poll_entry->revents & POLLIN))
878 if (http_receive_data(c) < 0)
881 case HTTPSTATE_WAIT_FEED:
882 /* no need to read if no events */
883 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
886 /* nothing to do, we'll be waken up by incoming feed packets */
889 case RTSPSTATE_SEND_REPLY:
890 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
891 av_freep(&c->pb_buffer);
894 /* no need to write if no events */
895 if (!(c->poll_entry->revents & POLLOUT))
897 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
899 if (errno != EAGAIN && errno != EINTR) {
900 /* error : close connection */
901 av_freep(&c->pb_buffer);
905 c->buffer_ptr += len;
906 c->data_count += len;
907 if (c->buffer_ptr >= c->buffer_end) {
908 /* all the buffer was sent : wait for a new request */
909 av_freep(&c->pb_buffer);
910 start_wait_request(c, 1);
914 case RTSPSTATE_SEND_PACKET:
915 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
916 av_freep(&c->packet_buffer);
919 /* no need to write if no events */
920 if (!(c->poll_entry->revents & POLLOUT))
922 len = write(c->fd, c->packet_buffer_ptr,
923 c->packet_buffer_end - c->packet_buffer_ptr);
925 if (errno != EAGAIN && errno != EINTR) {
926 /* error : close connection */
927 av_freep(&c->packet_buffer);
931 c->packet_buffer_ptr += len;
932 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
933 /* all the buffer was sent : wait for a new request */
934 av_freep(&c->packet_buffer);
935 c->state = RTSPSTATE_WAIT_REQUEST;
939 case HTTPSTATE_READY:
948 static int extract_rates(char *rates, int ratelen, const char *request)
952 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
953 if (strncasecmp(p, "Pragma:", 7) == 0) {
954 const char *q = p + 7;
956 while (*q && *q != '\n' && isspace(*q))
959 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
965 memset(rates, 0xff, ratelen);
968 while (*q && *q != '\n' && *q != ':')
971 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
975 if (stream_no < ratelen && stream_no >= 0) {
976 rates[stream_no] = rate_no;
979 while (*q && *q != '\n' && !isspace(*q))
996 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
999 int best_bitrate = 100000000;
1002 for (i = 0; i < feed->nb_streams; i++) {
1003 AVCodecContext *feed_codec = feed->streams[i]->codec;
1005 if (feed_codec->codec_id != codec->codec_id ||
1006 feed_codec->sample_rate != codec->sample_rate ||
1007 feed_codec->width != codec->width ||
1008 feed_codec->height != codec->height) {
1012 /* Potential stream */
1014 /* We want the fastest stream less than bit_rate, or the slowest
1015 * faster than bit_rate
1018 if (feed_codec->bit_rate <= bit_rate) {
1019 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1020 best_bitrate = feed_codec->bit_rate;
1024 if (feed_codec->bit_rate < best_bitrate) {
1025 best_bitrate = feed_codec->bit_rate;
1034 static int modify_current_stream(HTTPContext *c, char *rates)
1037 FFStream *req = c->stream;
1038 int action_required = 0;
1040 /* Not much we can do for a feed */
1044 for (i = 0; i < req->nb_streams; i++) {
1045 AVCodecContext *codec = req->streams[i]->codec;
1049 c->switch_feed_streams[i] = req->feed_streams[i];
1052 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1055 /* Wants off or slow */
1056 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1058 /* This doesn't work well when it turns off the only stream! */
1059 c->switch_feed_streams[i] = -2;
1060 c->feed_streams[i] = -2;
1065 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1066 action_required = 1;
1069 return action_required;
1073 static void do_switch_stream(HTTPContext *c, int i)
1075 if (c->switch_feed_streams[i] >= 0) {
1077 c->feed_streams[i] = c->switch_feed_streams[i];
1080 /* Now update the stream */
1082 c->switch_feed_streams[i] = -1;
1085 /* XXX: factorize in utils.c ? */
1086 /* XXX: take care with different space meaning */
1087 static void skip_spaces(const char **pp)
1091 while (*p == ' ' || *p == '\t')
1096 static void get_word(char *buf, int buf_size, const char **pp)
1104 while (!isspace(*p) && *p != '\0') {
1105 if ((q - buf) < buf_size - 1)
1114 static int validate_acl(FFStream *stream, HTTPContext *c)
1116 enum IPAddressAction last_action = IP_DENY;
1118 struct in_addr *src = &c->from_addr.sin_addr;
1119 unsigned long src_addr = ntohl(src->s_addr);
1121 for (acl = stream->acl; acl; acl = acl->next) {
1122 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
1123 return (acl->action == IP_ALLOW) ? 1 : 0;
1125 last_action = acl->action;
1128 /* Nothing matched, so return not the last action */
1129 return (last_action == IP_DENY) ? 1 : 0;
1132 /* compute the real filename of a file by matching it without its
1133 extensions to all the stream filenames */
1134 static void compute_real_filename(char *filename, int max_size)
1141 /* compute filename by matching without the file extensions */
1142 pstrcpy(file1, sizeof(file1), filename);
1143 p = strrchr(file1, '.');
1146 for(stream = first_stream; stream != NULL; stream = stream->next) {
1147 pstrcpy(file2, sizeof(file2), stream->filename);
1148 p = strrchr(file2, '.');
1151 if (!strcmp(file1, file2)) {
1152 pstrcpy(filename, max_size, stream->filename);
1167 /* parse http request and prepare header */
1168 static int http_parse_request(HTTPContext *c)
1171 enum RedirType redir_type;
1173 char info[1024], *filename;
1177 const char *mime_type;
1181 char *useragent = 0;
1184 get_word(cmd, sizeof(cmd), (const char **)&p);
1185 pstrcpy(c->method, sizeof(c->method), cmd);
1187 if (!strcmp(cmd, "GET"))
1189 else if (!strcmp(cmd, "POST"))
1194 get_word(url, sizeof(url), (const char **)&p);
1195 pstrcpy(c->url, sizeof(c->url), url);
1197 get_word(protocol, sizeof(protocol), (const char **)&p);
1198 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1201 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
1204 http_log("New connection: %s %s\n", cmd, url);
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 (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
1296 current_bandwidth += stream->bandwidth;
1299 if (c->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, "<p>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, "<p>The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec.</p>\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, "%"PRId64"%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_muxer) {
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->time_base.den / st->codec->time_base.num);
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> %"PRId64" <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 = %"PRId64", 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, 0, stream_pos, 0);
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 st->codec= avcodec_alloc_context();
2004 c->fmt_ctx.streams[i] = st;
2005 /* if file or feed, then just take streams from FFStream struct */
2006 if (!c->stream->feed ||
2007 c->stream->feed == c->stream)
2008 src = c->stream->streams[i];
2010 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2014 st->codec->frame_number = 0; /* XXX: should be done in
2015 AVStream, not in codec */
2016 /* I'm pretty sure that this is not correct...
2017 * However, without it, we crash
2019 st->codec->coded_frame = &dummy_frame;
2021 c->got_key_frame = 0;
2023 /* prepare header and save header data in a stream */
2024 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2025 /* XXX: potential leak */
2028 c->fmt_ctx.pb.is_streamed = 1;
2030 av_set_parameters(&c->fmt_ctx, NULL);
2031 av_write_header(&c->fmt_ctx);
2033 len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
2034 c->buffer_ptr = c->pb_buffer;
2035 c->buffer_end = c->pb_buffer + len;
2037 c->state = HTTPSTATE_SEND_DATA;
2038 c->last_packet_sent = 0;
2040 case HTTPSTATE_SEND_DATA:
2041 /* find a new packet */
2045 /* read a packet from the input stream */
2046 if (c->stream->feed) {
2047 ffm_set_write_index(c->fmt_in,
2048 c->stream->feed->feed_write_index,
2049 c->stream->feed->feed_size);
2052 if (c->stream->max_time &&
2053 c->stream->max_time + c->start_time - cur_time < 0) {
2054 /* We have timed out */
2055 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2058 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2059 if (c->stream->feed && c->stream->feed->feed_opened) {
2060 /* if coming from feed, it means we reached the end of the
2061 ffm file, so must wait for more data */
2062 c->state = HTTPSTATE_WAIT_FEED;
2063 return 1; /* state changed */
2065 if (c->stream->loop) {
2066 av_close_input_file(c->fmt_in);
2068 if (open_input_stream(c, "") < 0)
2073 /* must send trailer now because eof or error */
2074 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2078 /* update first pts if needed */
2079 if (c->first_pts == AV_NOPTS_VALUE) {
2080 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2081 c->start_time = cur_time;
2083 /* send it to the appropriate stream */
2084 if (c->stream->feed) {
2085 /* if coming from a feed, select the right stream */
2086 if (c->switch_pending) {
2087 c->switch_pending = 0;
2088 for(i=0;i<c->stream->nb_streams;i++) {
2089 if (c->switch_feed_streams[i] == pkt.stream_index) {
2090 if (pkt.flags & PKT_FLAG_KEY) {
2091 do_switch_stream(c, i);
2094 if (c->switch_feed_streams[i] >= 0) {
2095 c->switch_pending = 1;
2099 for(i=0;i<c->stream->nb_streams;i++) {
2100 if (c->feed_streams[i] == pkt.stream_index) {
2101 pkt.stream_index = i;
2102 if (pkt.flags & PKT_FLAG_KEY) {
2103 c->got_key_frame |= 1 << i;
2105 /* See if we have all the key frames, then
2106 * we start to send. This logic is not quite
2107 * right, but it works for the case of a
2108 * single video stream with one or more
2109 * audio streams (for which every frame is
2110 * typically a key frame).
2112 if (!c->stream->send_on_key ||
2113 ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
2119 AVCodecContext *codec;
2122 /* specific handling for RTP: we use several
2123 output stream (one for each RTP
2124 connection). XXX: need more abstract handling */
2125 if (c->is_packetized) {
2127 /* compute send time and duration */
2128 st = c->fmt_in->streams[pkt.stream_index];
2129 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2130 if (st->start_time != AV_NOPTS_VALUE)
2131 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2132 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2134 printf("index=%d pts=%0.3f duration=%0.6f\n",
2136 (double)c->cur_pts /
2138 (double)c->cur_frame_duration /
2141 /* find RTP context */
2142 c->packet_stream_index = pkt.stream_index;
2143 ctx = c->rtp_ctx[c->packet_stream_index];
2145 av_free_packet(&pkt);
2148 codec = ctx->streams[0]->codec;
2149 /* only one stream per RTP connection */
2150 pkt.stream_index = 0;
2154 codec = ctx->streams[pkt.stream_index]->codec;
2157 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2158 if (c->is_packetized) {
2159 int max_packet_size;
2160 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2161 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2163 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2164 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2166 ret = url_open_dyn_buf(&ctx->pb);
2169 /* XXX: potential leak */
2172 if (av_write_frame(ctx, &pkt)) {
2173 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2176 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2177 c->cur_frame_bytes = len;
2178 c->buffer_ptr = c->pb_buffer;
2179 c->buffer_end = c->pb_buffer + len;
2181 codec->frame_number++;
2185 av_free_packet(&pkt);
2191 case HTTPSTATE_SEND_DATA_TRAILER:
2192 /* last packet test ? */
2193 if (c->last_packet_sent || c->is_packetized)
2196 /* prepare header */
2197 if (url_open_dyn_buf(&ctx->pb) < 0) {
2198 /* XXX: potential leak */
2201 av_write_trailer(ctx);
2202 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2203 c->buffer_ptr = c->pb_buffer;
2204 c->buffer_end = c->pb_buffer + len;
2206 c->last_packet_sent = 1;
2213 #define SHORT_TERM_BANDWIDTH 8000000
2215 /* should convert the format at the same time */
2216 /* send data starting at c->buffer_ptr to the output connection
2217 (either UDP or TCP connection) */
2218 static int http_send_data(HTTPContext *c)
2223 if (c->buffer_ptr >= c->buffer_end) {
2224 ret = http_prepare_data(c);
2227 else if (ret != 0) {
2228 /* state change requested */
2232 if (c->is_packetized) {
2233 /* RTP data output */
2234 len = c->buffer_end - c->buffer_ptr;
2236 /* fail safe - should never happen */
2238 c->buffer_ptr = c->buffer_end;
2241 len = (c->buffer_ptr[0] << 24) |
2242 (c->buffer_ptr[1] << 16) |
2243 (c->buffer_ptr[2] << 8) |
2245 if (len > (c->buffer_end - c->buffer_ptr))
2247 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2248 /* nothing to send yet: we can wait */
2252 c->data_count += len;
2253 update_datarate(&c->datarate, c->data_count);
2255 c->stream->bytes_served += len;
2257 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2258 /* RTP packets are sent inside the RTSP TCP connection */
2259 ByteIOContext pb1, *pb = &pb1;
2260 int interleaved_index, size;
2262 HTTPContext *rtsp_c;
2265 /* if no RTSP connection left, error */
2268 /* if already sending something, then wait. */
2269 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
2272 if (url_open_dyn_buf(pb) < 0)
2274 interleaved_index = c->packet_stream_index * 2;
2275 /* RTCP packets are sent at odd indexes */
2276 if (c->buffer_ptr[1] == 200)
2277 interleaved_index++;
2278 /* write RTSP TCP header */
2280 header[1] = interleaved_index;
2281 header[2] = len >> 8;
2283 put_buffer(pb, header, 4);
2284 /* write RTP packet data */
2286 put_buffer(pb, c->buffer_ptr, len);
2287 size = url_close_dyn_buf(pb, &c->packet_buffer);
2288 /* prepare asynchronous TCP sending */
2289 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2290 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2291 c->buffer_ptr += len;
2293 /* send everything we can NOW */
2294 len = write(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2295 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr);
2297 rtsp_c->packet_buffer_ptr += len;
2299 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2300 /* if we could not send all the data, we will
2301 send it later, so a new state is needed to
2302 "lock" the RTSP TCP connection */
2303 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2306 /* all data has been sent */
2307 av_freep(&c->packet_buffer);
2310 /* send RTP packet directly in UDP */
2312 url_write(c->rtp_handles[c->packet_stream_index],
2313 c->buffer_ptr, len);
2314 c->buffer_ptr += len;
2315 /* here we continue as we can send several packets per 10 ms slot */
2318 /* TCP data output */
2319 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2321 if (errno != EAGAIN && errno != EINTR) {
2322 /* error : close connection */
2328 c->buffer_ptr += len;
2330 c->data_count += len;
2331 update_datarate(&c->datarate, c->data_count);
2333 c->stream->bytes_served += len;
2341 static int http_start_receive_data(HTTPContext *c)
2345 if (c->stream->feed_opened)
2348 /* Don't permit writing to this one */
2349 if (c->stream->readonly)
2353 fd = open(c->stream->feed_filename, O_RDWR);
2358 c->stream->feed_write_index = ffm_read_write_index(fd);
2359 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2360 lseek(fd, 0, SEEK_SET);
2362 /* init buffer input */
2363 c->buffer_ptr = c->buffer;
2364 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2365 c->stream->feed_opened = 1;
2369 static int http_receive_data(HTTPContext *c)
2373 if (c->buffer_end > c->buffer_ptr) {
2376 len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2378 if (errno != EAGAIN && errno != EINTR) {
2379 /* error : close connection */
2382 } else if (len == 0) {
2383 /* end of connection : close it */
2386 c->buffer_ptr += len;
2387 c->data_count += len;
2388 update_datarate(&c->datarate, c->data_count);
2392 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2393 if (c->buffer[0] != 'f' ||
2394 c->buffer[1] != 'm') {
2395 http_log("Feed stream has become desynchronized -- disconnecting\n");
2400 if (c->buffer_ptr >= c->buffer_end) {
2401 FFStream *feed = c->stream;
2402 /* a packet has been received : write it in the store, except
2404 if (c->data_count > FFM_PACKET_SIZE) {
2406 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2407 /* XXX: use llseek or url_seek */
2408 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2409 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2411 feed->feed_write_index += FFM_PACKET_SIZE;
2412 /* update file size */
2413 if (feed->feed_write_index > c->stream->feed_size)
2414 feed->feed_size = feed->feed_write_index;
2416 /* handle wrap around if max file size reached */
2417 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2418 feed->feed_write_index = FFM_PACKET_SIZE;
2421 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2423 /* wake up any waiting connections */
2424 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2425 if (c1->state == HTTPSTATE_WAIT_FEED &&
2426 c1->stream->feed == c->stream->feed) {
2427 c1->state = HTTPSTATE_SEND_DATA;
2431 /* We have a header in our hands that contains useful data */
2433 AVInputFormat *fmt_in;
2434 ByteIOContext *pb = &s.pb;
2437 memset(&s, 0, sizeof(s));
2439 url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2440 pb->buf_end = c->buffer_end; /* ?? */
2441 pb->is_streamed = 1;
2443 /* use feed output format name to find corresponding input format */
2444 fmt_in = av_find_input_format(feed->fmt->name);
2448 if (fmt_in->priv_data_size > 0) {
2449 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2455 if (fmt_in->read_header(&s, 0) < 0) {
2456 av_freep(&s.priv_data);
2460 /* Now we have the actual streams */
2461 if (s.nb_streams != feed->nb_streams) {
2462 av_freep(&s.priv_data);
2465 for (i = 0; i < s.nb_streams; i++) {
2466 memcpy(feed->streams[i]->codec,
2467 s.streams[i]->codec, sizeof(AVCodecContext));
2469 av_freep(&s.priv_data);
2471 c->buffer_ptr = c->buffer;
2476 c->stream->feed_opened = 0;
2481 /********************************************************************/
2484 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2491 switch(error_number) {
2492 #define DEF(n, c, s) case c: str = s; break;
2493 #include "rtspcodes.h"
2496 str = "Unknown Error";
2500 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2501 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2503 /* output GMT time */
2507 p = buf2 + strlen(p) - 1;
2510 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2513 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2515 rtsp_reply_header(c, error_number);
2516 url_fprintf(c->pb, "\r\n");
2519 static int rtsp_parse_request(HTTPContext *c)
2521 const char *p, *p1, *p2;
2528 RTSPHeader header1, *header = &header1;
2530 c->buffer_ptr[0] = '\0';
2533 get_word(cmd, sizeof(cmd), &p);
2534 get_word(url, sizeof(url), &p);
2535 get_word(protocol, sizeof(protocol), &p);
2537 pstrcpy(c->method, sizeof(c->method), cmd);
2538 pstrcpy(c->url, sizeof(c->url), url);
2539 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
2542 if (url_open_dyn_buf(c->pb) < 0) {
2543 /* XXX: cannot do more */
2544 c->pb = NULL; /* safety */
2548 /* check version name */
2549 if (strcmp(protocol, "RTSP/1.0") != 0) {
2550 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2554 /* parse each header line */
2555 memset(header, 0, sizeof(RTSPHeader));
2556 /* skip to next line */
2557 while (*p != '\n' && *p != '\0')
2561 while (*p != '\0') {
2562 p1 = strchr(p, '\n');
2566 if (p2 > p && p2[-1] == '\r')
2568 /* skip empty line */
2572 if (len > sizeof(line) - 1)
2573 len = sizeof(line) - 1;
2574 memcpy(line, p, len);
2576 rtsp_parse_line(header, line);
2580 /* handle sequence number */
2581 c->seq = header->seq;
2583 if (!strcmp(cmd, "DESCRIBE")) {
2584 rtsp_cmd_describe(c, url);
2585 } else if (!strcmp(cmd, "OPTIONS")) {
2586 rtsp_cmd_options(c, url);
2587 } else if (!strcmp(cmd, "SETUP")) {
2588 rtsp_cmd_setup(c, url, header);
2589 } else if (!strcmp(cmd, "PLAY")) {
2590 rtsp_cmd_play(c, url, header);
2591 } else if (!strcmp(cmd, "PAUSE")) {
2592 rtsp_cmd_pause(c, url, header);
2593 } else if (!strcmp(cmd, "TEARDOWN")) {
2594 rtsp_cmd_teardown(c, url, header);
2596 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2599 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2600 c->pb = NULL; /* safety */
2602 /* XXX: cannot do more */
2605 c->buffer_ptr = c->pb_buffer;
2606 c->buffer_end = c->pb_buffer + len;
2607 c->state = RTSPSTATE_SEND_REPLY;
2611 /* XXX: move that to rtsp.c, but would need to replace FFStream by
2613 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2614 struct in_addr my_ip)
2616 ByteIOContext pb1, *pb = &pb1;
2617 int i, payload_type, port, private_payload_type, j;
2618 const char *ipstr, *title, *mediatype;
2621 if (url_open_dyn_buf(pb) < 0)
2624 /* general media info */
2626 url_fprintf(pb, "v=0\n");
2627 ipstr = inet_ntoa(my_ip);
2628 url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
2629 title = stream->title;
2630 if (title[0] == '\0')
2632 url_fprintf(pb, "s=%s\n", title);
2633 if (stream->comment[0] != '\0')
2634 url_fprintf(pb, "i=%s\n", stream->comment);
2635 if (stream->is_multicast) {
2636 url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
2638 /* for each stream, we output the necessary info */
2639 private_payload_type = RTP_PT_PRIVATE;
2640 for(i = 0; i < stream->nb_streams; i++) {
2641 st = stream->streams[i];
2642 if (st->codec->codec_id == CODEC_ID_MPEG2TS) {
2643 mediatype = "video";
2645 switch(st->codec->codec_type) {
2646 case CODEC_TYPE_AUDIO:
2647 mediatype = "audio";
2649 case CODEC_TYPE_VIDEO:
2650 mediatype = "video";
2653 mediatype = "application";
2657 /* NOTE: the port indication is not correct in case of
2658 unicast. It is not an issue because RTSP gives it */
2659 payload_type = rtp_get_payload_type(st->codec);
2660 if (payload_type < 0)
2661 payload_type = private_payload_type++;
2662 if (stream->is_multicast) {
2663 port = stream->multicast_port + 2 * i;
2667 url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
2668 mediatype, port, payload_type);
2669 if (payload_type >= RTP_PT_PRIVATE) {
2670 /* for private payload type, we need to give more info */
2671 switch(st->codec->codec_id) {
2672 case CODEC_ID_MPEG4:
2675 url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
2676 payload_type, 90000);
2677 /* we must also add the mpeg4 header */
2678 data = st->codec->extradata;
2680 url_fprintf(pb, "a=fmtp:%d config=", payload_type);
2681 for(j=0;j<st->codec->extradata_size;j++) {
2682 url_fprintf(pb, "%02x", data[j]);
2684 url_fprintf(pb, "\n");
2689 /* XXX: add other codecs ? */
2693 url_fprintf(pb, "a=control:streamid=%d\n", i);
2695 return url_close_dyn_buf(pb, pbuffer);
2697 url_close_dyn_buf(pb, pbuffer);
2702 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2704 // rtsp_reply_header(c, RTSP_STATUS_OK);
2705 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2706 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2707 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2708 url_fprintf(c->pb, "\r\n");
2711 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2717 int content_length, len;
2718 struct sockaddr_in my_addr;
2720 /* find which url is asked */
2721 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2726 for(stream = first_stream; stream != NULL; stream = stream->next) {
2727 if (!stream->is_feed && stream->fmt == &rtp_muxer &&
2728 !strcmp(path, stream->filename)) {
2732 /* no stream found */
2733 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2737 /* prepare the media description in sdp format */
2739 /* get the host IP */
2740 len = sizeof(my_addr);
2741 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2742 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2743 if (content_length < 0) {
2744 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2747 rtsp_reply_header(c, RTSP_STATUS_OK);
2748 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2749 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2750 url_fprintf(c->pb, "\r\n");
2751 put_buffer(c->pb, content, content_length);
2754 static HTTPContext *find_rtp_session(const char *session_id)
2758 if (session_id[0] == '\0')
2761 for(c = first_http_ctx; c != NULL; c = c->next) {
2762 if (!strcmp(c->session_id, session_id))
2768 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2770 RTSPTransportField *th;
2773 for(i=0;i<h->nb_transports;i++) {
2774 th = &h->transports[i];
2775 if (th->protocol == protocol)
2781 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2785 int stream_index, port;
2790 RTSPTransportField *th;
2791 struct sockaddr_in dest_addr;
2792 RTSPActionServerSetup setup;
2794 /* find which url is asked */
2795 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2800 /* now check each stream */
2801 for(stream = first_stream; stream != NULL; stream = stream->next) {
2802 if (!stream->is_feed && stream->fmt == &rtp_muxer) {
2803 /* accept aggregate filenames only if single stream */
2804 if (!strcmp(path, stream->filename)) {
2805 if (stream->nb_streams != 1) {
2806 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2813 for(stream_index = 0; stream_index < stream->nb_streams;
2815 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2816 stream->filename, stream_index);
2817 if (!strcmp(path, buf))
2822 /* no stream found */
2823 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2827 /* generate session id if needed */
2828 if (h->session_id[0] == '\0') {
2829 snprintf(h->session_id, sizeof(h->session_id),
2830 "%08x%08x", (int)random(), (int)random());
2833 /* find rtp session, and create it if none found */
2834 rtp_c = find_rtp_session(h->session_id);
2836 /* always prefer UDP */
2837 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2839 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2841 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2846 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2849 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2853 /* open input stream */
2854 if (open_input_stream(rtp_c, "") < 0) {
2855 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2860 /* test if stream is OK (test needed because several SETUP needs
2861 to be done for a given file) */
2862 if (rtp_c->stream != stream) {
2863 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2867 /* test if stream is already set up */
2868 if (rtp_c->rtp_ctx[stream_index]) {
2869 rtsp_reply_error(c, RTSP_STATUS_STATE);
2873 /* check transport */
2874 th = find_transport(h, rtp_c->rtp_protocol);
2875 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2876 th->client_port_min <= 0)) {
2877 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2881 /* setup default options */
2882 setup.transport_option[0] = '\0';
2883 dest_addr = rtp_c->from_addr;
2884 dest_addr.sin_port = htons(th->client_port_min);
2886 /* add transport option if needed */
2887 if (ff_rtsp_callback) {
2888 setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
2889 if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
2890 (char *)&setup, sizeof(setup),
2891 stream->rtsp_option) < 0) {
2892 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2895 dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
2899 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2900 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2904 /* now everything is OK, so we can send the connection parameters */
2905 rtsp_reply_header(c, RTSP_STATUS_OK);
2907 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2909 switch(rtp_c->rtp_protocol) {
2910 case RTSP_PROTOCOL_RTP_UDP:
2911 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2912 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2913 "client_port=%d-%d;server_port=%d-%d",
2914 th->client_port_min, th->client_port_min + 1,
2917 case RTSP_PROTOCOL_RTP_TCP:
2918 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2919 stream_index * 2, stream_index * 2 + 1);
2924 if (setup.transport_option[0] != '\0') {
2925 url_fprintf(c->pb, ";%s", setup.transport_option);
2927 url_fprintf(c->pb, "\r\n");
2930 url_fprintf(c->pb, "\r\n");
2934 /* find an rtp connection by using the session ID. Check consistency
2936 static HTTPContext *find_rtp_session_with_url(const char *url,
2937 const char *session_id)
2945 rtp_c = find_rtp_session(session_id);
2949 /* find which url is asked */
2950 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2954 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2955 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2956 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2957 rtp_c->stream->filename, s);
2958 if(!strncmp(path, buf, sizeof(buf))) {
2959 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2966 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2970 rtp_c = find_rtp_session_with_url(url, h->session_id);
2972 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2976 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2977 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2978 rtp_c->state != HTTPSTATE_READY) {
2979 rtsp_reply_error(c, RTSP_STATUS_STATE);
2984 /* XXX: seek in stream */
2985 if (h->range_start != AV_NOPTS_VALUE) {
2986 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2987 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2991 rtp_c->state = HTTPSTATE_SEND_DATA;
2993 /* now everything is OK, so we can send the connection parameters */
2994 rtsp_reply_header(c, RTSP_STATUS_OK);
2996 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2997 url_fprintf(c->pb, "\r\n");
3000 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3004 rtp_c = find_rtp_session_with_url(url, h->session_id);
3006 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3010 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3011 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3012 rtsp_reply_error(c, RTSP_STATUS_STATE);
3016 rtp_c->state = HTTPSTATE_READY;
3017 rtp_c->first_pts = AV_NOPTS_VALUE;
3018 /* now everything is OK, so we can send the connection parameters */
3019 rtsp_reply_header(c, RTSP_STATUS_OK);
3021 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3022 url_fprintf(c->pb, "\r\n");
3025 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3029 rtp_c = find_rtp_session_with_url(url, h->session_id);
3031 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3035 /* abort the session */
3036 close_connection(rtp_c);
3038 if (ff_rtsp_callback) {
3039 ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
3041 rtp_c->stream->rtsp_option);
3044 /* now everything is OK, so we can send the connection parameters */
3045 rtsp_reply_header(c, RTSP_STATUS_OK);
3047 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3048 url_fprintf(c->pb, "\r\n");
3052 /********************************************************************/
3055 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3056 FFStream *stream, const char *session_id,
3057 enum RTSPProtocol rtp_protocol)
3059 HTTPContext *c = NULL;
3060 const char *proto_str;
3062 /* XXX: should output a warning page when coming
3063 close to the connection limit */
3064 if (nb_connections >= nb_max_connections)
3067 /* add a new connection */
3068 c = av_mallocz(sizeof(HTTPContext));
3073 c->poll_entry = NULL;
3074 c->from_addr = *from_addr;
3075 c->buffer_size = IOBUFFER_INIT_SIZE;
3076 c->buffer = av_malloc(c->buffer_size);
3081 pstrcpy(c->session_id, sizeof(c->session_id), session_id);
3082 c->state = HTTPSTATE_READY;
3083 c->is_packetized = 1;
3084 c->rtp_protocol = rtp_protocol;
3086 /* protocol is shown in statistics */
3087 switch(c->rtp_protocol) {
3088 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3089 proto_str = "MCAST";
3091 case RTSP_PROTOCOL_RTP_UDP:
3094 case RTSP_PROTOCOL_RTP_TCP:
3101 pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
3102 pstrcat(c->protocol, sizeof(c->protocol), proto_str);
3104 current_bandwidth += stream->bandwidth;
3106 c->next = first_http_ctx;
3118 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3119 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3121 static int rtp_new_av_stream(HTTPContext *c,
3122 int stream_index, struct sockaddr_in *dest_addr,
3123 HTTPContext *rtsp_c)
3125 AVFormatContext *ctx;
3131 int max_packet_size;
3133 /* now we can open the relevant output stream */
3134 ctx = av_alloc_format_context();
3137 ctx->oformat = &rtp_muxer;
3139 st = av_mallocz(sizeof(AVStream));
3142 st->codec= avcodec_alloc_context();
3143 ctx->nb_streams = 1;
3144 ctx->streams[0] = st;
3146 if (!c->stream->feed ||
3147 c->stream->feed == c->stream) {
3148 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3151 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3155 /* build destination RTP address */
3156 ipaddr = inet_ntoa(dest_addr->sin_addr);
3158 switch(c->rtp_protocol) {
3159 case RTSP_PROTOCOL_RTP_UDP:
3160 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3163 /* XXX: also pass as parameter to function ? */
3164 if (c->stream->is_multicast) {
3166 ttl = c->stream->multicast_ttl;
3169 snprintf(ctx->filename, sizeof(ctx->filename),
3170 "rtp://%s:%d?multicast=1&ttl=%d",
3171 ipaddr, ntohs(dest_addr->sin_port), ttl);
3173 snprintf(ctx->filename, sizeof(ctx->filename),
3174 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3177 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3179 c->rtp_handles[stream_index] = h;
3180 max_packet_size = url_get_max_packet_size(h);
3182 case RTSP_PROTOCOL_RTP_TCP:
3185 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3191 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3192 ipaddr, ntohs(dest_addr->sin_port),
3194 c->stream->filename, stream_index, c->protocol);
3196 /* normally, no packets should be output here, but the packet size may be checked */
3197 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3198 /* XXX: close stream */
3201 av_set_parameters(ctx, NULL);
3202 if (av_write_header(ctx) < 0) {
3209 url_close_dyn_buf(&ctx->pb, &dummy_buf);
3212 c->rtp_ctx[stream_index] = ctx;
3216 /********************************************************************/
3217 /* ffserver initialization */
3219 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3223 fst = av_mallocz(sizeof(AVStream));
3226 fst->codec= avcodec_alloc_context();
3227 fst->priv_data = av_mallocz(sizeof(FeedData));
3228 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3229 fst->codec->coded_frame = &dummy_frame;
3230 fst->index = stream->nb_streams;
3231 av_set_pts_info(fst, 33, 1, 90000);
3232 stream->streams[stream->nb_streams++] = fst;
3236 /* return the stream number in the feed */
3237 static int add_av_stream(FFStream *feed, AVStream *st)
3240 AVCodecContext *av, *av1;
3244 for(i=0;i<feed->nb_streams;i++) {
3245 st = feed->streams[i];
3247 if (av1->codec_id == av->codec_id &&
3248 av1->codec_type == av->codec_type &&
3249 av1->bit_rate == av->bit_rate) {
3251 switch(av->codec_type) {
3252 case CODEC_TYPE_AUDIO:
3253 if (av1->channels == av->channels &&
3254 av1->sample_rate == av->sample_rate)
3257 case CODEC_TYPE_VIDEO:
3258 if (av1->width == av->width &&
3259 av1->height == av->height &&
3260 av1->time_base.den == av->time_base.den &&
3261 av1->time_base.num == av->time_base.num &&
3262 av1->gop_size == av->gop_size)
3271 fst = add_av_stream1(feed, av);
3274 return feed->nb_streams - 1;
3279 static void remove_stream(FFStream *stream)
3283 while (*ps != NULL) {
3284 if (*ps == stream) {
3292 /* specific mpeg4 handling : we extract the raw parameters */
3293 static void extract_mpeg4_header(AVFormatContext *infile)
3295 int mpeg4_count, i, size;
3301 for(i=0;i<infile->nb_streams;i++) {
3302 st = infile->streams[i];
3303 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3304 st->codec->extradata_size == 0) {
3311 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3312 while (mpeg4_count > 0) {
3313 if (av_read_packet(infile, &pkt) < 0)
3315 st = infile->streams[pkt.stream_index];
3316 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3317 st->codec->extradata_size == 0) {
3318 av_freep(&st->codec->extradata);
3319 /* fill extradata with the header */
3320 /* XXX: we make hard suppositions here ! */
3322 while (p < pkt.data + pkt.size - 4) {
3323 /* stop when vop header is found */
3324 if (p[0] == 0x00 && p[1] == 0x00 &&
3325 p[2] == 0x01 && p[3] == 0xb6) {
3326 size = p - pkt.data;
3327 // av_hex_dump(pkt.data, size);
3328 st->codec->extradata = av_malloc(size);
3329 st->codec->extradata_size = size;
3330 memcpy(st->codec->extradata, pkt.data, size);
3337 av_free_packet(&pkt);
3341 /* compute the needed AVStream for each file */
3342 static void build_file_streams(void)
3344 FFStream *stream, *stream_next;
3345 AVFormatContext *infile;
3348 /* gather all streams */
3349 for(stream = first_stream; stream != NULL; stream = stream_next) {
3350 stream_next = stream->next;
3351 if (stream->stream_type == STREAM_TYPE_LIVE &&
3353 /* the stream comes from a file */
3354 /* try to open the file */
3356 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3357 if (stream->fmt == &rtp_muxer) {
3358 /* specific case : if transport stream output to RTP,
3359 we use a raw transport stream reader */
3360 stream->ap_in->mpeg2ts_raw = 1;
3361 stream->ap_in->mpeg2ts_compute_pcr = 1;
3364 if (av_open_input_file(&infile, stream->feed_filename,
3365 stream->ifmt, 0, stream->ap_in) < 0) {
3366 http_log("%s not found", stream->feed_filename);
3367 /* remove stream (no need to spend more time on it) */
3369 remove_stream(stream);
3371 /* find all the AVStreams inside and reference them in
3373 if (av_find_stream_info(infile) < 0) {
3374 http_log("Could not find codec parameters from '%s'",
3375 stream->feed_filename);
3376 av_close_input_file(infile);
3379 extract_mpeg4_header(infile);
3381 for(i=0;i<infile->nb_streams;i++) {
3382 add_av_stream1(stream, infile->streams[i]->codec);
3384 av_close_input_file(infile);
3390 /* compute the needed AVStream for each feed */
3391 static void build_feed_streams(void)
3393 FFStream *stream, *feed;
3396 /* gather all streams */
3397 for(stream = first_stream; stream != NULL; stream = stream->next) {
3398 feed = stream->feed;
3400 if (!stream->is_feed) {
3401 /* we handle a stream coming from a feed */
3402 for(i=0;i<stream->nb_streams;i++) {
3403 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3409 /* gather all streams */
3410 for(stream = first_stream; stream != NULL; stream = stream->next) {
3411 feed = stream->feed;
3413 if (stream->is_feed) {
3414 for(i=0;i<stream->nb_streams;i++) {
3415 stream->feed_streams[i] = i;
3421 /* create feed files if needed */
3422 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3425 if (url_exist(feed->feed_filename)) {
3426 /* See if it matches */
3430 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3431 /* Now see if it matches */
3432 if (s->nb_streams == feed->nb_streams) {
3434 for(i=0;i<s->nb_streams;i++) {
3436 sf = feed->streams[i];
3439 if (sf->index != ss->index ||
3441 printf("Index & Id do not match for stream %d (%s)\n",
3442 i, feed->feed_filename);
3445 AVCodecContext *ccf, *ccs;
3449 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3451 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3452 printf("Codecs do not match for stream %d\n", i);
3454 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3455 printf("Codec bitrates do not match for stream %d\n", i);
3457 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3458 if (CHECK_CODEC(time_base.den) ||
3459 CHECK_CODEC(time_base.num) ||
3460 CHECK_CODEC(width) ||
3461 CHECK_CODEC(height)) {
3462 printf("Codec width, height and framerate do not match for stream %d\n", i);
3465 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3466 if (CHECK_CODEC(sample_rate) ||
3467 CHECK_CODEC(channels) ||
3468 CHECK_CODEC(frame_size)) {
3469 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3473 printf("Unknown codec type\n");
3482 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3483 feed->feed_filename, s->nb_streams, feed->nb_streams);
3486 av_close_input_file(s);
3488 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3489 feed->feed_filename);
3492 if (feed->readonly) {
3493 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3494 feed->feed_filename);
3497 unlink(feed->feed_filename);
3500 if (!url_exist(feed->feed_filename)) {
3501 AVFormatContext s1, *s = &s1;
3503 if (feed->readonly) {
3504 printf("Unable to create feed file '%s' as it is marked readonly\n",
3505 feed->feed_filename);
3509 /* only write the header of the ffm file */
3510 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3511 fprintf(stderr, "Could not open output feed file '%s'\n",
3512 feed->feed_filename);
3515 s->oformat = feed->fmt;
3516 s->nb_streams = feed->nb_streams;
3517 for(i=0;i<s->nb_streams;i++) {
3519 st = feed->streams[i];
3522 av_set_parameters(s, NULL);
3524 /* XXX: need better api */
3525 av_freep(&s->priv_data);
3528 /* get feed size and write index */
3529 fd = open(feed->feed_filename, O_RDONLY);
3531 fprintf(stderr, "Could not open output feed file '%s'\n",
3532 feed->feed_filename);
3536 feed->feed_write_index = ffm_read_write_index(fd);
3537 feed->feed_size = lseek(fd, 0, SEEK_END);
3538 /* ensure that we do not wrap before the end of file */
3539 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3540 feed->feed_max_size = feed->feed_size;
3546 /* compute the bandwidth used by each stream */
3547 static void compute_bandwidth(void)
3552 for(stream = first_stream; stream != NULL; stream = stream->next) {
3554 for(i=0;i<stream->nb_streams;i++) {
3555 AVStream *st = stream->streams[i];
3556 switch(st->codec->codec_type) {
3557 case CODEC_TYPE_AUDIO:
3558 case CODEC_TYPE_VIDEO:
3559 bandwidth += st->codec->bit_rate;
3565 stream->bandwidth = (bandwidth + 999) / 1000;
3569 static void get_arg(char *buf, int buf_size, const char **pp)
3576 while (isspace(*p)) p++;
3579 if (*p == '\"' || *p == '\'')
3591 if ((q - buf) < buf_size - 1)
3596 if (quote && *p == quote)
3601 /* add a codec and set the default parameters */
3602 static void add_codec(FFStream *stream, AVCodecContext *av)
3606 /* compute default parameters */
3607 switch(av->codec_type) {
3608 case CODEC_TYPE_AUDIO:
3609 if (av->bit_rate == 0)
3610 av->bit_rate = 64000;
3611 if (av->sample_rate == 0)
3612 av->sample_rate = 22050;
3613 if (av->channels == 0)
3616 case CODEC_TYPE_VIDEO:
3617 if (av->bit_rate == 0)
3618 av->bit_rate = 64000;
3619 if (av->time_base.num == 0){
3620 av->time_base.den = 5;
3621 av->time_base.num = 1;
3623 if (av->width == 0 || av->height == 0) {
3627 /* Bitrate tolerance is less for streaming */
3628 if (av->bit_rate_tolerance == 0)
3629 av->bit_rate_tolerance = av->bit_rate / 4;
3634 if (av->max_qdiff == 0)
3636 av->qcompress = 0.5;
3639 if (!av->nsse_weight)
3640 av->nsse_weight = 8;
3642 av->frame_skip_cmp = FF_CMP_DCTMAX;
3643 av->me_method = ME_EPZS;
3644 av->rc_buffer_aggressivity = 1.0;
3647 av->rc_eq = "tex^qComp";
3648 if (!av->i_quant_factor)
3649 av->i_quant_factor = -0.8;
3650 if (!av->b_quant_factor)
3651 av->b_quant_factor = 1.25;
3652 if (!av->b_quant_offset)
3653 av->b_quant_offset = 1.25;
3654 if (!av->rc_max_rate)
3655 av->rc_max_rate = av->bit_rate * 2;
3657 if (av->rc_max_rate && !av->rc_buffer_size) {
3658 av->rc_buffer_size = av->rc_max_rate;
3667 st = av_mallocz(sizeof(AVStream));
3670 st->codec = avcodec_alloc_context();
3671 stream->streams[stream->nb_streams++] = st;
3672 memcpy(st->codec, av, sizeof(AVCodecContext));
3675 static int opt_audio_codec(const char *arg)
3681 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3686 return CODEC_ID_NONE;
3692 static int opt_video_codec(const char *arg)
3698 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3703 return CODEC_ID_NONE;
3709 /* simplistic plugin support */
3712 static void load_module(const char *filename)
3715 void (*init_func)(void);
3716 dll = dlopen(filename, RTLD_NOW);
3718 fprintf(stderr, "Could not load module '%s' - %s\n",
3719 filename, dlerror());
3723 init_func = dlsym(dll, "ffserver_module_init");
3726 "%s: init function 'ffserver_module_init()' not found\n",
3735 static int parse_ffconfig(const char *filename)
3742 int val, errors, line_num;
3743 FFStream **last_stream, *stream, *redirect;
3744 FFStream **last_feed, *feed;
3745 AVCodecContext audio_enc, video_enc;
3746 int audio_id, video_id;
3748 f = fopen(filename, "r");
3756 first_stream = NULL;
3757 last_stream = &first_stream;
3759 last_feed = &first_feed;
3763 audio_id = CODEC_ID_NONE;
3764 video_id = CODEC_ID_NONE;
3766 if (fgets(line, sizeof(line), f) == NULL)
3772 if (*p == '\0' || *p == '#')
3775 get_arg(cmd, sizeof(cmd), &p);
3777 if (!strcasecmp(cmd, "Port")) {
3778 get_arg(arg, sizeof(arg), &p);
3779 my_http_addr.sin_port = htons (atoi(arg));
3780 } else if (!strcasecmp(cmd, "BindAddress")) {
3781 get_arg(arg, sizeof(arg), &p);
3782 if (!inet_aton(arg, &my_http_addr.sin_addr)) {
3783 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3784 filename, line_num, arg);
3787 } else if (!strcasecmp(cmd, "NoDaemon")) {
3788 ffserver_daemon = 0;
3789 } else if (!strcasecmp(cmd, "RTSPPort")) {
3790 get_arg(arg, sizeof(arg), &p);
3791 my_rtsp_addr.sin_port = htons (atoi(arg));
3792 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3793 get_arg(arg, sizeof(arg), &p);
3794 if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
3795 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3796 filename, line_num, arg);
3799 } else if (!strcasecmp(cmd, "MaxClients")) {
3800 get_arg(arg, sizeof(arg), &p);
3802 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3803 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3804 filename, line_num, arg);
3807 nb_max_connections = val;
3809 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3810 get_arg(arg, sizeof(arg), &p);
3812 if (val < 10 || val > 100000) {
3813 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3814 filename, line_num, arg);
3817 max_bandwidth = val;
3819 } else if (!strcasecmp(cmd, "CustomLog")) {
3820 get_arg(logfilename, sizeof(logfilename), &p);
3821 } else if (!strcasecmp(cmd, "<Feed")) {
3822 /*********************************************/
3823 /* Feed related options */
3825 if (stream || feed) {
3826 fprintf(stderr, "%s:%d: Already in a tag\n",
3827 filename, line_num);
3829 feed = av_mallocz(sizeof(FFStream));
3830 /* add in stream list */
3831 *last_stream = feed;
3832 last_stream = &feed->next;
3833 /* add in feed list */
3835 last_feed = &feed->next_feed;
3837 get_arg(feed->filename, sizeof(feed->filename), &p);
3838 q = strrchr(feed->filename, '>');
3841 feed->fmt = guess_format("ffm", NULL, NULL);
3842 /* defaut feed file */
3843 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3844 "/tmp/%s.ffm", feed->filename);
3845 feed->feed_max_size = 5 * 1024 * 1024;
3847 feed->feed = feed; /* self feeding :-) */
3849 } else if (!strcasecmp(cmd, "Launch")) {
3853 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3855 for (i = 0; i < 62; i++) {
3858 get_arg(argbuf, sizeof(argbuf), &p);
3862 feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
3863 strcpy(feed->child_argv[i], argbuf);
3866 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3868 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3870 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3871 inet_ntoa(my_http_addr.sin_addr),
3872 ntohs(my_http_addr.sin_port), feed->filename);
3877 fprintf(stdout, "Launch commandline: ");
3878 for (j = 0; j <= i; j++)
3879 fprintf(stdout, "%s ", feed->child_argv[j]);
3880 fprintf(stdout, "\n");
3883 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3885 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3887 } else if (stream) {
3888 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3890 } else if (!strcasecmp(cmd, "File")) {
3892 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3893 } else if (stream) {
3894 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3896 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3901 get_arg(arg, sizeof(arg), &p);
3903 fsize = strtod(p1, (char **)&p1);
3904 switch(toupper(*p1)) {
3909 fsize *= 1024 * 1024;
3912 fsize *= 1024 * 1024 * 1024;
3915 feed->feed_max_size = (int64_t)fsize;
3917 } else if (!strcasecmp(cmd, "</Feed>")) {
3919 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3920 filename, line_num);
3924 /* Make sure that we start out clean */
3925 if (unlink(feed->feed_filename) < 0
3926 && errno != ENOENT) {
3927 fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
3928 filename, line_num, feed->feed_filename, strerror(errno));
3934 } else if (!strcasecmp(cmd, "<Stream")) {
3935 /*********************************************/
3936 /* Stream related options */
3938 if (stream || feed) {
3939 fprintf(stderr, "%s:%d: Already in a tag\n",
3940 filename, line_num);
3942 stream = av_mallocz(sizeof(FFStream));
3943 *last_stream = stream;
3944 last_stream = &stream->next;
3946 get_arg(stream->filename, sizeof(stream->filename), &p);
3947 q = strrchr(stream->filename, '>');
3950 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3951 memset(&audio_enc, 0, sizeof(AVCodecContext));
3952 memset(&video_enc, 0, sizeof(AVCodecContext));
3953 audio_id = CODEC_ID_NONE;
3954 video_id = CODEC_ID_NONE;
3956 audio_id = stream->fmt->audio_codec;
3957 video_id = stream->fmt->video_codec;
3960 } else if (!strcasecmp(cmd, "Feed")) {
3961 get_arg(arg, sizeof(arg), &p);
3966 while (sfeed != NULL) {
3967 if (!strcmp(sfeed->filename, arg))
3969 sfeed = sfeed->next_feed;
3972 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3973 filename, line_num, arg);
3975 stream->feed = sfeed;
3978 } else if (!strcasecmp(cmd, "Format")) {
3979 get_arg(arg, sizeof(arg), &p);
3980 if (!strcmp(arg, "status")) {
3981 stream->stream_type = STREAM_TYPE_STATUS;
3984 stream->stream_type = STREAM_TYPE_LIVE;
3985 /* jpeg cannot be used here, so use single frame jpeg */
3986 if (!strcmp(arg, "jpeg"))
3987 strcpy(arg, "mjpeg");
3988 stream->fmt = guess_stream_format(arg, NULL, NULL);
3990 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3991 filename, line_num, arg);
3996 audio_id = stream->fmt->audio_codec;
3997 video_id = stream->fmt->video_codec;
3999 } else if (!strcasecmp(cmd, "InputFormat")) {
4000 stream->ifmt = av_find_input_format(arg);
4001 if (!stream->ifmt) {
4002 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4003 filename, line_num, arg);
4005 } else if (!strcasecmp(cmd, "FaviconURL")) {
4006 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4007 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4009 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4010 filename, line_num);
4013 } else if (!strcasecmp(cmd, "Author")) {
4015 get_arg(stream->author, sizeof(stream->author), &p);
4017 } else if (!strcasecmp(cmd, "Comment")) {
4019 get_arg(stream->comment, sizeof(stream->comment), &p);
4021 } else if (!strcasecmp(cmd, "Copyright")) {
4023 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4025 } else if (!strcasecmp(cmd, "Title")) {
4027 get_arg(stream->title, sizeof(stream->title), &p);
4029 } else if (!strcasecmp(cmd, "Preroll")) {
4030 get_arg(arg, sizeof(arg), &p);
4032 stream->prebuffer = atof(arg) * 1000;
4034 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4036 stream->send_on_key = 1;
4038 } else if (!strcasecmp(cmd, "AudioCodec")) {
4039 get_arg(arg, sizeof(arg), &p);
4040 audio_id = opt_audio_codec(arg);
4041 if (audio_id == CODEC_ID_NONE) {
4042 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4043 filename, line_num, arg);
4046 } else if (!strcasecmp(cmd, "VideoCodec")) {
4047 get_arg(arg, sizeof(arg), &p);
4048 video_id = opt_video_codec(arg);
4049 if (video_id == CODEC_ID_NONE) {
4050 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4051 filename, line_num, arg);
4054 } else if (!strcasecmp(cmd, "MaxTime")) {
4055 get_arg(arg, sizeof(arg), &p);
4057 stream->max_time = atof(arg) * 1000;
4059 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4060 get_arg(arg, sizeof(arg), &p);
4062 audio_enc.bit_rate = atoi(arg) * 1000;
4064 } else if (!strcasecmp(cmd, "AudioChannels")) {
4065 get_arg(arg, sizeof(arg), &p);
4067 audio_enc.channels = atoi(arg);
4069 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4070 get_arg(arg, sizeof(arg), &p);
4072 audio_enc.sample_rate = atoi(arg);
4074 } else if (!strcasecmp(cmd, "AudioQuality")) {
4075 get_arg(arg, sizeof(arg), &p);
4077 // audio_enc.quality = atof(arg) * 1000;
4079 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4081 int minrate, maxrate;
4083 get_arg(arg, sizeof(arg), &p);
4085 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4086 video_enc.rc_min_rate = minrate * 1000;
4087 video_enc.rc_max_rate = maxrate * 1000;
4089 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4090 filename, line_num, arg);
4094 } else if (!strcasecmp(cmd, "Debug")) {
4096 get_arg(arg, sizeof(arg), &p);
4097 video_enc.debug = strtol(arg,0,0);
4099 } else if (!strcasecmp(cmd, "Strict")) {
4101 get_arg(arg, sizeof(arg), &p);
4102 video_enc.strict_std_compliance = atoi(arg);
4104 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4106 get_arg(arg, sizeof(arg), &p);
4107 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4109 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4111 get_arg(arg, sizeof(arg), &p);
4112 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4114 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4115 get_arg(arg, sizeof(arg), &p);
4117 video_enc.bit_rate = atoi(arg) * 1000;
4119 } else if (!strcasecmp(cmd, "VideoSize")) {
4120 get_arg(arg, sizeof(arg), &p);
4122 parse_image_size(&video_enc.width, &video_enc.height, arg);
4123 if ((video_enc.width % 16) != 0 ||
4124 (video_enc.height % 16) != 0) {
4125 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4126 filename, line_num);
4130 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4131 get_arg(arg, sizeof(arg), &p);
4133 video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
4134 video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
4136 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4137 get_arg(arg, sizeof(arg), &p);
4139 video_enc.gop_size = atoi(arg);
4141 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4143 video_enc.gop_size = 1;
4145 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4147 video_enc.mb_decision = FF_MB_DECISION_BITS;
4149 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4151 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4152 video_enc.flags |= CODEC_FLAG_4MV;
4154 } else if (!strcasecmp(cmd, "BitExact")) {
4156 video_enc.flags |= CODEC_FLAG_BITEXACT;
4158 } else if (!strcasecmp(cmd, "DctFastint")) {
4160 video_enc.dct_algo = FF_DCT_FASTINT;
4162 } else if (!strcasecmp(cmd, "IdctSimple")) {
4164 video_enc.idct_algo = FF_IDCT_SIMPLE;
4166 } else if (!strcasecmp(cmd, "Qscale")) {
4167 get_arg(arg, sizeof(arg), &p);
4169 video_enc.flags |= CODEC_FLAG_QSCALE;
4170 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4172 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4173 get_arg(arg, sizeof(arg), &p);
4175 video_enc.max_qdiff = atoi(arg);
4176 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4177 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4178 filename, line_num);
4182 } else if (!strcasecmp(cmd, "VideoQMax")) {
4183 get_arg(arg, sizeof(arg), &p);
4185 video_enc.qmax = atoi(arg);
4186 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4187 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4188 filename, line_num);
4192 } else if (!strcasecmp(cmd, "VideoQMin")) {
4193 get_arg(arg, sizeof(arg), &p);
4195 video_enc.qmin = atoi(arg);
4196 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4197 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4198 filename, line_num);
4202 } else if (!strcasecmp(cmd, "LumaElim")) {
4203 get_arg(arg, sizeof(arg), &p);
4205 video_enc.luma_elim_threshold = atoi(arg);
4207 } else if (!strcasecmp(cmd, "ChromaElim")) {
4208 get_arg(arg, sizeof(arg), &p);
4210 video_enc.chroma_elim_threshold = atoi(arg);
4212 } else if (!strcasecmp(cmd, "LumiMask")) {
4213 get_arg(arg, sizeof(arg), &p);
4215 video_enc.lumi_masking = atof(arg);
4217 } else if (!strcasecmp(cmd, "DarkMask")) {
4218 get_arg(arg, sizeof(arg), &p);
4220 video_enc.dark_masking = atof(arg);
4222 } else if (!strcasecmp(cmd, "NoVideo")) {
4223 video_id = CODEC_ID_NONE;
4224 } else if (!strcasecmp(cmd, "NoAudio")) {
4225 audio_id = CODEC_ID_NONE;
4226 } else if (!strcasecmp(cmd, "ACL")) {
4230 get_arg(arg, sizeof(arg), &p);
4231 if (strcasecmp(arg, "allow") == 0) {
4232 acl.action = IP_ALLOW;
4233 } else if (strcasecmp(arg, "deny") == 0) {
4234 acl.action = IP_DENY;
4236 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4237 filename, line_num, arg);
4241 get_arg(arg, sizeof(arg), &p);
4243 he = gethostbyname(arg);
4245 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4246 filename, line_num, arg);
4249 /* Only take the first */
4250 acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4251 acl.last = acl.first;
4254 get_arg(arg, sizeof(arg), &p);
4257 he = gethostbyname(arg);
4259 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4260 filename, line_num, arg);
4263 /* Only take the first */
4264 acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4269 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4270 IPAddressACL **naclp = 0;
4276 naclp = &stream->acl;
4280 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4281 filename, line_num);
4287 naclp = &(*naclp)->next;
4292 } else if (!strcasecmp(cmd, "RTSPOption")) {
4293 get_arg(arg, sizeof(arg), &p);
4295 av_freep(&stream->rtsp_option);
4296 /* XXX: av_strdup ? */
4297 stream->rtsp_option = av_malloc(strlen(arg) + 1);
4298 if (stream->rtsp_option) {
4299 strcpy(stream->rtsp_option, arg);
4302 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4303 get_arg(arg, sizeof(arg), &p);
4305 if (!inet_aton(arg, &stream->multicast_ip)) {
4306 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
4307 filename, line_num, arg);
4310 stream->is_multicast = 1;
4311 stream->loop = 1; /* default is looping */
4313 } else if (!strcasecmp(cmd, "MulticastPort")) {
4314 get_arg(arg, sizeof(arg), &p);
4316 stream->multicast_port = atoi(arg);
4318 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4319 get_arg(arg, sizeof(arg), &p);
4321 stream->multicast_ttl = atoi(arg);
4323 } else if (!strcasecmp(cmd, "NoLoop")) {
4327 } else if (!strcasecmp(cmd, "</Stream>")) {
4329 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4330 filename, line_num);
4333 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4334 if (audio_id != CODEC_ID_NONE) {
4335 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4336 audio_enc.codec_id = audio_id;
4337 add_codec(stream, &audio_enc);
4339 if (video_id != CODEC_ID_NONE) {
4340 video_enc.codec_type = CODEC_TYPE_VIDEO;
4341 video_enc.codec_id = video_id;
4342 add_codec(stream, &video_enc);
4346 } else if (!strcasecmp(cmd, "<Redirect")) {
4347 /*********************************************/
4349 if (stream || feed || redirect) {
4350 fprintf(stderr, "%s:%d: Already in a tag\n",
4351 filename, line_num);
4354 redirect = av_mallocz(sizeof(FFStream));
4355 *last_stream = redirect;
4356 last_stream = &redirect->next;
4358 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4359 q = strrchr(redirect->filename, '>');
4362 redirect->stream_type = STREAM_TYPE_REDIRECT;
4364 } else if (!strcasecmp(cmd, "URL")) {
4366 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4368 } else if (!strcasecmp(cmd, "</Redirect>")) {
4370 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4371 filename, line_num);
4374 if (!redirect->feed_filename[0]) {
4375 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4376 filename, line_num);
4380 } else if (!strcasecmp(cmd, "LoadModule")) {
4381 get_arg(arg, sizeof(arg), &p);
4385 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4386 filename, line_num, arg);
4390 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4391 filename, line_num, cmd);
4405 static void write_packet(FFCodec *ffenc,
4406 uint8_t *buf, int size)
4409 AVCodecContext *enc = &ffenc->enc;
4411 mk_header(&hdr, enc, size);
4412 wptr = http_fifo.wptr;
4413 fifo_write(&http_fifo, (uint8_t *)&hdr, sizeof(hdr), &wptr);
4414 fifo_write(&http_fifo, buf, size, &wptr);
4415 /* atomic modification of wptr */
4416 http_fifo.wptr = wptr;
4417 ffenc->data_count += size;
4418 ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
4422 static void show_banner(void)
4424 printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2006 Fabrice Bellard, et al.\n");
4427 static void show_help(void)
4430 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4431 "Hyper fast multi format Audio/Video streaming server\n"
4433 "-L : print the LICENSE\n"
4435 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4439 static void show_license(void)
4443 "FFmpeg is free software; you can redistribute it and/or\n"
4444 "modify it under the terms of the GNU Lesser General Public\n"
4445 "License as published by the Free Software Foundation; either\n"
4446 "version 2.1 of the License, or (at your option) any later version.\n"
4448 "FFmpeg is distributed in the hope that it will be useful,\n"
4449 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4450 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4451 "Lesser General Public License for more details.\n"
4453 "You should have received a copy of the GNU Lesser General Public\n"
4454 "License along with FFmpeg; if not, write to the Free Software\n"
4455 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
4459 static void handle_child_exit(int sig)
4464 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4467 for (feed = first_feed; feed; feed = feed->next) {
4468 if (feed->pid == pid) {
4469 int uptime = time(0) - feed->pid_start;
4472 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4475 /* Turn off any more restarts */
4476 feed->child_argv = 0;
4482 need_to_start_children = 1;
4485 int main(int argc, char **argv)
4487 const char *config_filename;
4489 struct sigaction sigact;
4493 config_filename = "/etc/ffserver.conf";
4495 my_program_name = argv[0];
4496 my_program_dir = getcwd(0, 0);
4497 ffserver_daemon = 1;
4500 c = getopt(argc, argv, "ndLh?f:");
4516 ffserver_daemon = 0;
4519 config_filename = optarg;
4526 putenv("http_proxy"); /* Kill the http_proxy */
4528 srandom(gettime_ms() + (getpid() << 16));
4530 /* address on which the server will handle HTTP connections */
4531 my_http_addr.sin_family = AF_INET;
4532 my_http_addr.sin_port = htons (8080);
4533 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4535 /* address on which the server will handle RTSP connections */
4536 my_rtsp_addr.sin_family = AF_INET;
4537 my_rtsp_addr.sin_port = htons (5454);
4538 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4540 nb_max_connections = 5;
4541 max_bandwidth = 1000;
4542 first_stream = NULL;
4543 logfilename[0] = '\0';
4545 memset(&sigact, 0, sizeof(sigact));
4546 sigact.sa_handler = handle_child_exit;
4547 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4548 sigaction(SIGCHLD, &sigact, 0);
4550 if (parse_ffconfig(config_filename) < 0) {
4551 fprintf(stderr, "Incorrect config file - exiting.\n");
4555 build_file_streams();
4557 build_feed_streams();
4559 compute_bandwidth();
4561 /* put the process in background and detach it from its TTY */
4562 if (ffserver_daemon) {
4569 } else if (pid > 0) {
4577 open("/dev/null", O_RDWR);
4578 if (strcmp(logfilename, "-") != 0) {
4588 signal(SIGPIPE, SIG_IGN);
4590 /* open log file if needed */
4591 if (logfilename[0] != '\0') {
4592 if (!strcmp(logfilename, "-"))
4595 logfile = fopen(logfilename, "w");
4598 if (http_server() < 0) {
4599 fprintf(stderr, "Could not start server\n");