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
23 #ifndef HAVE_CLOSESOCKET
24 #define closesocket close
35 #include <sys/ioctl.h>
36 #ifdef HAVE_SYS_POLL_H
41 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
58 static const char program_name[] = "FFserver";
59 static const int program_birth_year = 2000;
61 /* maximum number of simultaneous HTTP connections */
62 #define HTTP_MAX_CONNECTIONS 2000
65 HTTPSTATE_WAIT_REQUEST,
66 HTTPSTATE_SEND_HEADER,
67 HTTPSTATE_SEND_DATA_HEADER,
68 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
69 HTTPSTATE_SEND_DATA_TRAILER,
70 HTTPSTATE_RECEIVE_DATA,
71 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
74 RTSPSTATE_WAIT_REQUEST,
76 RTSPSTATE_SEND_PACKET,
79 const char *http_state[] = {
95 #define IOBUFFER_INIT_SIZE 8192
97 /* timeouts are in ms */
98 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
99 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
101 #define SYNC_TIMEOUT (10 * 1000)
104 int64_t count1, count2;
105 int64_t time1, time2;
108 /* context associated with one connection */
109 typedef struct HTTPContext {
110 enum HTTPState state;
111 int fd; /* socket file descriptor */
112 struct sockaddr_in from_addr; /* origin */
113 struct pollfd *poll_entry; /* used when polling */
115 uint8_t *buffer_ptr, *buffer_end;
118 struct HTTPContext *next;
119 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
123 /* input format handling */
124 AVFormatContext *fmt_in;
125 int64_t start_time; /* In milliseconds - this wraps fairly often */
126 int64_t first_pts; /* initial pts value */
127 int64_t cur_pts; /* current pts value from the stream in us */
128 int64_t cur_frame_duration; /* duration of the current frame in us */
129 int cur_frame_bytes; /* output frame size, needed to compute
130 the time at which we send each
132 int pts_stream_index; /* stream we choose as clock reference */
133 int64_t cur_clock; /* current clock reference value in us */
134 /* output format handling */
135 struct FFStream *stream;
136 /* -1 is invalid stream */
137 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
138 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
140 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
141 int last_packet_sent; /* true if last data packet was sent */
143 DataRateData datarate;
150 int is_packetized; /* if true, the stream is packetized */
151 int packet_stream_index; /* current stream for output in state machine */
153 /* RTSP state specific */
154 uint8_t *pb_buffer; /* XXX: use that in all the code */
156 int seq; /* RTSP sequence number */
158 /* RTP state specific */
159 enum RTSPProtocol rtp_protocol;
160 char session_id[32]; /* session id */
161 AVFormatContext *rtp_ctx[MAX_STREAMS];
163 /* RTP/UDP specific */
164 URLContext *rtp_handles[MAX_STREAMS];
166 /* RTP/TCP specific */
167 struct HTTPContext *rtsp_c;
168 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
171 static AVFrame dummy_frame;
173 /* each generated stream is described here */
177 STREAM_TYPE_REDIRECT,
180 enum IPAddressAction {
185 typedef struct IPAddressACL {
186 struct IPAddressACL *next;
187 enum IPAddressAction action;
188 /* These are in host order */
189 struct in_addr first;
193 /* description of each stream of the ffserver.conf file */
194 typedef struct FFStream {
195 enum StreamType stream_type;
196 char filename[1024]; /* stream filename */
197 struct FFStream *feed; /* feed we are using (can be null if
199 AVFormatParameters *ap_in; /* input parameters */
200 AVInputFormat *ifmt; /* if non NULL, force input format */
204 int prebuffer; /* Number of millseconds early to start */
205 int64_t max_time; /* Number of milliseconds to run */
207 AVStream *streams[MAX_STREAMS];
208 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
209 char feed_filename[1024]; /* file name of the feed storage, or
210 input file name for a stream */
215 pid_t pid; /* Of ffmpeg process */
216 time_t pid_start; /* Of ffmpeg process */
218 struct FFStream *next;
219 int bandwidth; /* bandwidth, in kbits/s */
222 /* multicast specific */
224 struct in_addr multicast_ip;
225 int multicast_port; /* first port used for multicast */
227 int loop; /* if true, send the stream in loops (only meaningful if file) */
230 int feed_opened; /* true if someone is writing to the feed */
231 int is_feed; /* true if it is a feed */
232 int readonly; /* True if writing is prohibited to the file */
234 int64_t bytes_served;
235 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
236 int64_t feed_write_index; /* current write position in feed (it wraps round) */
237 int64_t feed_size; /* current size of feed */
238 struct FFStream *next_feed;
241 typedef struct FeedData {
242 long long data_count;
243 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
246 static struct sockaddr_in my_http_addr;
247 static struct sockaddr_in my_rtsp_addr;
249 static char logfilename[1024];
250 static HTTPContext *first_http_ctx;
251 static FFStream *first_feed; /* contains only feeds */
252 static FFStream *first_stream; /* contains all streams, including feeds */
254 static void new_connection(int server_fd, int is_rtsp);
255 static void close_connection(HTTPContext *c);
258 static int handle_connection(HTTPContext *c);
259 static int http_parse_request(HTTPContext *c);
260 static int http_send_data(HTTPContext *c);
261 static void compute_stats(HTTPContext *c);
262 static int open_input_stream(HTTPContext *c, const char *info);
263 static int http_start_receive_data(HTTPContext *c);
264 static int http_receive_data(HTTPContext *c);
267 static int rtsp_parse_request(HTTPContext *c);
268 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
269 static void rtsp_cmd_options(HTTPContext *c, const char *url);
270 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
273 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
276 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
277 struct in_addr my_ip);
280 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
281 FFStream *stream, const char *session_id,
282 enum RTSPProtocol rtp_protocol);
283 static int rtp_new_av_stream(HTTPContext *c,
284 int stream_index, struct sockaddr_in *dest_addr,
285 HTTPContext *rtsp_c);
287 static const char *my_program_name;
288 static const char *my_program_dir;
290 static int ffserver_debug;
291 static int ffserver_daemon;
292 static int no_launch;
293 static int need_to_start_children;
295 static int nb_max_connections;
296 static int nb_connections;
298 static int max_bandwidth;
299 static int current_bandwidth;
301 static int64_t cur_time; // Making this global saves on passing it around everywhere
303 static AVRandomState random_state;
305 static FILE *logfile = NULL;
307 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
313 vfprintf(logfile, fmt, ap);
319 static char *ctime1(char *buf2)
327 p = buf2 + strlen(p) - 1;
333 static void log_connection(HTTPContext *c)
340 http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
341 inet_ntoa(c->from_addr.sin_addr),
342 ctime1(buf2), c->method, c->url,
343 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
346 static void update_datarate(DataRateData *drd, int64_t count)
348 if (!drd->time1 && !drd->count1) {
349 drd->time1 = drd->time2 = cur_time;
350 drd->count1 = drd->count2 = count;
351 } else if (cur_time - drd->time2 > 5000) {
352 drd->time1 = drd->time2;
353 drd->count1 = drd->count2;
354 drd->time2 = cur_time;
359 /* In bytes per second */
360 static int compute_datarate(DataRateData *drd, int64_t count)
362 if (cur_time == drd->time1)
365 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
369 static void start_children(FFStream *feed)
374 for (; feed; feed = feed->next) {
375 if (feed->child_argv && !feed->pid) {
376 feed->pid_start = time(0);
381 fprintf(stderr, "Unable to create children\n");
390 for (i = 3; i < 256; i++)
393 if (!ffserver_debug) {
394 i = open("/dev/null", O_RDWR);
403 av_strlcpy(pathname, my_program_name, sizeof(pathname));
405 slash = strrchr(pathname, '/');
410 strcpy(slash, "ffmpeg");
412 /* This is needed to make relative pathnames work */
413 chdir(my_program_dir);
415 signal(SIGPIPE, SIG_DFL);
417 execvp(pathname, feed->child_argv);
425 /* open a listening socket */
426 static int socket_open_listen(struct sockaddr_in *my_addr)
430 server_fd = socket(AF_INET,SOCK_STREAM,0);
437 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
439 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
441 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
443 closesocket(server_fd);
447 if (listen (server_fd, 5) < 0) {
449 closesocket(server_fd);
452 ff_socket_nonblock(server_fd, 1);
457 /* start all multicast streams */
458 static void start_multicast(void)
463 struct sockaddr_in dest_addr;
464 int default_port, stream_index;
467 for(stream = first_stream; stream != NULL; stream = stream->next) {
468 if (stream->is_multicast) {
469 /* open the RTP connection */
470 snprintf(session_id, sizeof(session_id), "%08x%08x",
471 av_random(&random_state), av_random(&random_state));
473 /* choose a port if none given */
474 if (stream->multicast_port == 0) {
475 stream->multicast_port = default_port;
479 dest_addr.sin_family = AF_INET;
480 dest_addr.sin_addr = stream->multicast_ip;
481 dest_addr.sin_port = htons(stream->multicast_port);
483 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
484 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
488 if (open_input_stream(rtp_c, "") < 0) {
489 fprintf(stderr, "Could not open input stream for stream '%s'\n",
494 /* open each RTP stream */
495 for(stream_index = 0; stream_index < stream->nb_streams;
497 dest_addr.sin_port = htons(stream->multicast_port +
499 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
500 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
501 stream->filename, stream_index);
506 /* change state to send data */
507 rtp_c->state = HTTPSTATE_SEND_DATA;
512 /* main loop of the http server */
513 static int http_server(void)
515 int server_fd, ret, rtsp_server_fd, delay, delay1;
516 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
517 HTTPContext *c, *c_next;
519 server_fd = socket_open_listen(&my_http_addr);
523 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
524 if (rtsp_server_fd < 0)
527 http_log("ffserver started.\n");
529 start_children(first_feed);
531 first_http_ctx = NULL;
537 poll_entry = poll_table;
538 poll_entry->fd = server_fd;
539 poll_entry->events = POLLIN;
542 poll_entry->fd = rtsp_server_fd;
543 poll_entry->events = POLLIN;
546 /* wait for events on each HTTP handle */
553 case HTTPSTATE_SEND_HEADER:
554 case RTSPSTATE_SEND_REPLY:
555 case RTSPSTATE_SEND_PACKET:
556 c->poll_entry = poll_entry;
558 poll_entry->events = POLLOUT;
561 case HTTPSTATE_SEND_DATA_HEADER:
562 case HTTPSTATE_SEND_DATA:
563 case HTTPSTATE_SEND_DATA_TRAILER:
564 if (!c->is_packetized) {
565 /* for TCP, we output as much as we can (may need to put a limit) */
566 c->poll_entry = poll_entry;
568 poll_entry->events = POLLOUT;
571 /* when ffserver is doing the timing, we work by
572 looking at which packet need to be sent every
574 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
579 case HTTPSTATE_WAIT_REQUEST:
580 case HTTPSTATE_RECEIVE_DATA:
581 case HTTPSTATE_WAIT_FEED:
582 case RTSPSTATE_WAIT_REQUEST:
583 /* need to catch errors */
584 c->poll_entry = poll_entry;
586 poll_entry->events = POLLIN;/* Maybe this will work */
590 c->poll_entry = NULL;
596 /* wait for an event on one connection. We poll at least every
597 second to handle timeouts */
599 ret = poll(poll_table, poll_entry - poll_table, delay);
600 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
601 ff_neterrno() != FF_NETERROR(EINTR))
605 cur_time = av_gettime() / 1000;
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);
627 /* new RTSP connection request ? */
628 if (poll_entry->revents & POLLIN)
629 new_connection(rtsp_server_fd, 1);
633 /* start waiting for a new HTTP/RTSP request */
634 static void start_wait_request(HTTPContext *c, int is_rtsp)
636 c->buffer_ptr = c->buffer;
637 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
640 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
641 c->state = RTSPSTATE_WAIT_REQUEST;
643 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
644 c->state = HTTPSTATE_WAIT_REQUEST;
648 static void new_connection(int server_fd, int is_rtsp)
650 struct sockaddr_in from_addr;
652 HTTPContext *c = NULL;
654 len = sizeof(from_addr);
655 fd = accept(server_fd, (struct sockaddr *)&from_addr,
659 ff_socket_nonblock(fd, 1);
661 /* XXX: should output a warning page when coming
662 close to the connection limit */
663 if (nb_connections >= nb_max_connections)
666 /* add a new connection */
667 c = av_mallocz(sizeof(HTTPContext));
672 c->poll_entry = NULL;
673 c->from_addr = from_addr;
674 c->buffer_size = IOBUFFER_INIT_SIZE;
675 c->buffer = av_malloc(c->buffer_size);
679 c->next = first_http_ctx;
683 start_wait_request(c, is_rtsp);
695 static void close_connection(HTTPContext *c)
697 HTTPContext **cp, *c1;
699 AVFormatContext *ctx;
703 /* remove connection from list */
704 cp = &first_http_ctx;
705 while ((*cp) != NULL) {
713 /* remove references, if any (XXX: do it faster) */
714 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
719 /* remove connection associated resources */
723 /* close each frame parser */
724 for(i=0;i<c->fmt_in->nb_streams;i++) {
725 st = c->fmt_in->streams[i];
726 if (st->codec->codec)
727 avcodec_close(st->codec);
729 av_close_input_file(c->fmt_in);
732 /* free RTP output streams if any */
735 nb_streams = c->stream->nb_streams;
737 for(i=0;i<nb_streams;i++) {
740 av_write_trailer(ctx);
743 h = c->rtp_handles[i];
750 if (!c->last_packet_sent) {
753 if (url_open_dyn_buf(&ctx->pb) >= 0) {
754 av_write_trailer(ctx);
755 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
760 for(i=0; i<ctx->nb_streams; i++)
761 av_free(ctx->streams[i]);
763 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
764 current_bandwidth -= c->stream->bandwidth;
766 /* signal that there is no feed if we are the feeder socket */
767 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
768 c->stream->feed_opened = 0;
772 av_freep(&c->pb_buffer);
773 av_freep(&c->packet_buffer);
779 static int handle_connection(HTTPContext *c)
784 case HTTPSTATE_WAIT_REQUEST:
785 case RTSPSTATE_WAIT_REQUEST:
787 if ((c->timeout - cur_time) < 0)
789 if (c->poll_entry->revents & (POLLERR | POLLHUP))
792 /* no need to read if no events */
793 if (!(c->poll_entry->revents & POLLIN))
797 len = recv(c->fd, c->buffer_ptr, 1, 0);
799 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
800 ff_neterrno() != FF_NETERROR(EINTR))
802 } else if (len == 0) {
805 /* search for end of request. */
807 c->buffer_ptr += len;
809 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
810 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
811 /* request found : parse it and reply */
812 if (c->state == HTTPSTATE_WAIT_REQUEST) {
813 ret = http_parse_request(c);
815 ret = rtsp_parse_request(c);
819 } else if (ptr >= c->buffer_end) {
820 /* request too long: cannot do anything */
822 } else goto read_loop;
826 case HTTPSTATE_SEND_HEADER:
827 if (c->poll_entry->revents & (POLLERR | POLLHUP))
830 /* no need to write if no events */
831 if (!(c->poll_entry->revents & POLLOUT))
833 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
835 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
836 ff_neterrno() != FF_NETERROR(EINTR)) {
837 /* error : close connection */
838 av_freep(&c->pb_buffer);
842 c->buffer_ptr += len;
844 c->stream->bytes_served += len;
845 c->data_count += len;
846 if (c->buffer_ptr >= c->buffer_end) {
847 av_freep(&c->pb_buffer);
851 /* all the buffer was sent : synchronize to the incoming stream */
852 c->state = HTTPSTATE_SEND_DATA_HEADER;
853 c->buffer_ptr = c->buffer_end = c->buffer;
858 case HTTPSTATE_SEND_DATA:
859 case HTTPSTATE_SEND_DATA_HEADER:
860 case HTTPSTATE_SEND_DATA_TRAILER:
861 /* for packetized output, we consider we can always write (the
862 input streams sets the speed). It may be better to verify
863 that we do not rely too much on the kernel queues */
864 if (!c->is_packetized) {
865 if (c->poll_entry->revents & (POLLERR | POLLHUP))
868 /* no need to read if no events */
869 if (!(c->poll_entry->revents & POLLOUT))
872 if (http_send_data(c) < 0)
874 /* close connection if trailer sent */
875 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
878 case HTTPSTATE_RECEIVE_DATA:
879 /* no need to read if no events */
880 if (c->poll_entry->revents & (POLLERR | POLLHUP))
882 if (!(c->poll_entry->revents & POLLIN))
884 if (http_receive_data(c) < 0)
887 case HTTPSTATE_WAIT_FEED:
888 /* no need to read if no events */
889 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
892 /* nothing to do, we'll be waken up by incoming feed packets */
895 case RTSPSTATE_SEND_REPLY:
896 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
897 av_freep(&c->pb_buffer);
900 /* no need to write if no events */
901 if (!(c->poll_entry->revents & POLLOUT))
903 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
905 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
906 ff_neterrno() != FF_NETERROR(EINTR)) {
907 /* error : close connection */
908 av_freep(&c->pb_buffer);
912 c->buffer_ptr += len;
913 c->data_count += len;
914 if (c->buffer_ptr >= c->buffer_end) {
915 /* all the buffer was sent : wait for a new request */
916 av_freep(&c->pb_buffer);
917 start_wait_request(c, 1);
921 case RTSPSTATE_SEND_PACKET:
922 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
923 av_freep(&c->packet_buffer);
926 /* no need to write if no events */
927 if (!(c->poll_entry->revents & POLLOUT))
929 len = send(c->fd, c->packet_buffer_ptr,
930 c->packet_buffer_end - c->packet_buffer_ptr, 0);
932 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
933 ff_neterrno() != FF_NETERROR(EINTR)) {
934 /* error : close connection */
935 av_freep(&c->packet_buffer);
939 c->packet_buffer_ptr += len;
940 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
941 /* all the buffer was sent : wait for a new request */
942 av_freep(&c->packet_buffer);
943 c->state = RTSPSTATE_WAIT_REQUEST;
947 case HTTPSTATE_READY:
956 static int extract_rates(char *rates, int ratelen, const char *request)
960 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
961 if (strncasecmp(p, "Pragma:", 7) == 0) {
962 const char *q = p + 7;
964 while (*q && *q != '\n' && isspace(*q))
967 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
973 memset(rates, 0xff, ratelen);
976 while (*q && *q != '\n' && *q != ':')
979 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
983 if (stream_no < ratelen && stream_no >= 0)
984 rates[stream_no] = rate_no;
986 while (*q && *q != '\n' && !isspace(*q))
1003 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1006 int best_bitrate = 100000000;
1009 for (i = 0; i < feed->nb_streams; i++) {
1010 AVCodecContext *feed_codec = feed->streams[i]->codec;
1012 if (feed_codec->codec_id != codec->codec_id ||
1013 feed_codec->sample_rate != codec->sample_rate ||
1014 feed_codec->width != codec->width ||
1015 feed_codec->height != codec->height)
1018 /* Potential stream */
1020 /* We want the fastest stream less than bit_rate, or the slowest
1021 * faster than bit_rate
1024 if (feed_codec->bit_rate <= bit_rate) {
1025 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1026 best_bitrate = feed_codec->bit_rate;
1030 if (feed_codec->bit_rate < best_bitrate) {
1031 best_bitrate = feed_codec->bit_rate;
1040 static int modify_current_stream(HTTPContext *c, char *rates)
1043 FFStream *req = c->stream;
1044 int action_required = 0;
1046 /* Not much we can do for a feed */
1050 for (i = 0; i < req->nb_streams; i++) {
1051 AVCodecContext *codec = req->streams[i]->codec;
1055 c->switch_feed_streams[i] = req->feed_streams[i];
1058 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1061 /* Wants off or slow */
1062 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1064 /* This doesn't work well when it turns off the only stream! */
1065 c->switch_feed_streams[i] = -2;
1066 c->feed_streams[i] = -2;
1071 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1072 action_required = 1;
1075 return action_required;
1079 static void do_switch_stream(HTTPContext *c, int i)
1081 if (c->switch_feed_streams[i] >= 0) {
1083 c->feed_streams[i] = c->switch_feed_streams[i];
1086 /* Now update the stream */
1088 c->switch_feed_streams[i] = -1;
1091 /* XXX: factorize in utils.c ? */
1092 /* XXX: take care with different space meaning */
1093 static void skip_spaces(const char **pp)
1097 while (*p == ' ' || *p == '\t')
1102 static void get_word(char *buf, int buf_size, const char **pp)
1110 while (!isspace(*p) && *p != '\0') {
1111 if ((q - buf) < buf_size - 1)
1120 static int validate_acl(FFStream *stream, HTTPContext *c)
1122 enum IPAddressAction last_action = IP_DENY;
1124 struct in_addr *src = &c->from_addr.sin_addr;
1125 unsigned long src_addr = src->s_addr;
1127 for (acl = stream->acl; acl; acl = acl->next) {
1128 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1129 return (acl->action == IP_ALLOW) ? 1 : 0;
1130 last_action = acl->action;
1133 /* Nothing matched, so return not the last action */
1134 return (last_action == IP_DENY) ? 1 : 0;
1137 /* compute the real filename of a file by matching it without its
1138 extensions to all the stream filenames */
1139 static void compute_real_filename(char *filename, int max_size)
1146 /* compute filename by matching without the file extensions */
1147 av_strlcpy(file1, filename, sizeof(file1));
1148 p = strrchr(file1, '.');
1151 for(stream = first_stream; stream != NULL; stream = stream->next) {
1152 av_strlcpy(file2, stream->filename, sizeof(file2));
1153 p = strrchr(file2, '.');
1156 if (!strcmp(file1, file2)) {
1157 av_strlcpy(filename, stream->filename, max_size);
1172 /* parse http request and prepare header */
1173 static int http_parse_request(HTTPContext *c)
1176 enum RedirType redir_type;
1178 char info[1024], filename[1024];
1182 const char *mime_type;
1186 char *useragent = 0;
1189 get_word(cmd, sizeof(cmd), (const char **)&p);
1190 av_strlcpy(c->method, cmd, sizeof(c->method));
1192 if (!strcmp(cmd, "GET"))
1194 else if (!strcmp(cmd, "POST"))
1199 get_word(url, sizeof(url), (const char **)&p);
1200 av_strlcpy(c->url, url, sizeof(c->url));
1202 get_word(protocol, sizeof(protocol), (const char **)&p);
1203 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1206 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1209 http_log("New connection: %s %s\n", cmd, url);
1211 /* find the filename and the optional info string in the request */
1212 p = strchr(url, '?');
1214 av_strlcpy(info, p, sizeof(info));
1219 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1221 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1222 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1224 if (*useragent && *useragent != '\n' && isspace(*useragent))
1228 p = strchr(p, '\n');
1235 redir_type = REDIR_NONE;
1236 if (match_ext(filename, "asx")) {
1237 redir_type = REDIR_ASX;
1238 filename[strlen(filename)-1] = 'f';
1239 } else if (match_ext(filename, "asf") &&
1240 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1241 /* if this isn't WMP or lookalike, return the redirector file */
1242 redir_type = REDIR_ASF;
1243 } else if (match_ext(filename, "rpm,ram")) {
1244 redir_type = REDIR_RAM;
1245 strcpy(filename + strlen(filename)-2, "m");
1246 } else if (match_ext(filename, "rtsp")) {
1247 redir_type = REDIR_RTSP;
1248 compute_real_filename(filename, sizeof(filename) - 1);
1249 } else if (match_ext(filename, "sdp")) {
1250 redir_type = REDIR_SDP;
1251 compute_real_filename(filename, sizeof(filename) - 1);
1254 // "redirect" / request to index.html
1255 if (!strlen(filename))
1256 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1258 stream = first_stream;
1259 while (stream != NULL) {
1260 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1262 stream = stream->next;
1264 if (stream == NULL) {
1265 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1270 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1271 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1273 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1274 c->http_error = 301;
1276 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1277 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1278 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1279 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1280 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1281 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1282 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1284 /* prepare output buffer */
1285 c->buffer_ptr = c->buffer;
1287 c->state = HTTPSTATE_SEND_HEADER;
1291 /* If this is WMP, get the rate information */
1292 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1293 if (modify_current_stream(c, ratebuf)) {
1294 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1295 if (c->switch_feed_streams[i] >= 0)
1296 do_switch_stream(c, i);
1301 /* If already streaming this feed, do not let start another feeder. */
1302 if (stream->feed_opened) {
1303 snprintf(msg, sizeof(msg), "This feed is already being received.");
1307 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1308 current_bandwidth += stream->bandwidth;
1310 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1311 c->http_error = 200;
1313 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1314 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1315 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1317 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");
1318 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",
1319 current_bandwidth, max_bandwidth);
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1322 /* prepare output buffer */
1323 c->buffer_ptr = c->buffer;
1325 c->state = HTTPSTATE_SEND_HEADER;
1329 if (redir_type != REDIR_NONE) {
1332 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1333 if (strncasecmp(p, "Host:", 5) == 0) {
1337 p = strchr(p, '\n');
1348 while (isspace(*hostinfo))
1351 eoh = strchr(hostinfo, '\n');
1353 if (eoh[-1] == '\r')
1356 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1357 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1358 hostbuf[eoh - hostinfo] = 0;
1360 c->http_error = 200;
1362 switch(redir_type) {
1364 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1368 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1369 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1370 hostbuf, filename, info);
1371 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1374 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1376 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1377 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1378 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1379 hostbuf, filename, info);
1382 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1383 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1384 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1385 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1387 hostbuf, filename, info);
1391 char hostname[256], *p;
1392 /* extract only hostname */
1393 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1394 p = strrchr(hostname, ':');
1397 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1398 /* XXX: incorrect mime type ? */
1399 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1400 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1402 hostname, ntohs(my_rtsp_addr.sin_port),
1409 int sdp_data_size, len;
1410 struct sockaddr_in my_addr;
1412 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1413 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1416 len = sizeof(my_addr);
1417 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1419 /* XXX: should use a dynamic buffer */
1420 sdp_data_size = prepare_sdp_description(stream,
1423 if (sdp_data_size > 0) {
1424 memcpy(q, sdp_data, sdp_data_size);
1436 /* prepare output buffer */
1437 c->buffer_ptr = c->buffer;
1439 c->state = HTTPSTATE_SEND_HEADER;
1445 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1449 stream->conns_served++;
1451 /* XXX: add there authenticate and IP match */
1454 /* if post, it means a feed is being sent */
1455 if (!stream->is_feed) {
1456 /* However it might be a status report from WMP! Lets log the data
1457 * as it might come in handy one day
1462 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1463 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1467 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1468 client_id = strtol(p + 18, 0, 10);
1469 p = strchr(p, '\n');
1477 char *eol = strchr(logline, '\n');
1482 if (eol[-1] == '\r')
1484 http_log("%.*s\n", (int) (eol - logline), logline);
1485 c->suppress_log = 1;
1490 http_log("\nGot request:\n%s\n", c->buffer);
1493 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1496 /* Now we have to find the client_id */
1497 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1498 if (wmpc->wmp_client_id == client_id)
1502 if (wmpc && modify_current_stream(wmpc, ratebuf))
1503 wmpc->switch_pending = 1;
1506 snprintf(msg, sizeof(msg), "POST command not handled");
1510 if (http_start_receive_data(c) < 0) {
1511 snprintf(msg, sizeof(msg), "could not open feed");
1515 c->state = HTTPSTATE_RECEIVE_DATA;
1520 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1521 http_log("\nGot request:\n%s\n", c->buffer);
1524 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1527 /* open input stream */
1528 if (open_input_stream(c, info) < 0) {
1529 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1533 /* prepare http header */
1535 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1536 mime_type = c->stream->fmt->mime_type;
1538 mime_type = "application/x-octet-stream";
1539 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1541 /* for asf, we need extra headers */
1542 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1543 /* Need to allocate a client id */
1545 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1547 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);
1549 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1550 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1552 /* prepare output buffer */
1554 c->buffer_ptr = c->buffer;
1556 c->state = HTTPSTATE_SEND_HEADER;
1559 c->http_error = 404;
1561 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1562 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1563 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1564 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1565 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1566 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1567 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1569 /* prepare output buffer */
1570 c->buffer_ptr = c->buffer;
1572 c->state = HTTPSTATE_SEND_HEADER;
1576 c->http_error = 200; /* horrible : we use this value to avoid
1577 going to the send data state */
1578 c->state = HTTPSTATE_SEND_HEADER;
1582 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1584 static const char *suffix = " kMGTP";
1587 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1589 url_fprintf(pb, "%"PRId64"%c", count, *s);
1592 static void compute_stats(HTTPContext *c)
1601 if (url_open_dyn_buf(&pb) < 0) {
1602 /* XXX: return an error ? */
1603 c->buffer_ptr = c->buffer;
1604 c->buffer_end = c->buffer;
1608 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1609 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1610 url_fprintf(pb, "Pragma: no-cache\r\n");
1611 url_fprintf(pb, "\r\n");
1613 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1614 if (c->stream->feed_filename)
1615 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1616 url_fprintf(pb, "</HEAD>\n<BODY>");
1617 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1619 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1620 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1621 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");
1622 stream = first_stream;
1623 while (stream != NULL) {
1624 char sfilename[1024];
1627 if (stream->feed != stream) {
1628 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1629 eosf = sfilename + strlen(sfilename);
1630 if (eosf - sfilename >= 4) {
1631 if (strcmp(eosf - 4, ".asf") == 0)
1632 strcpy(eosf - 4, ".asx");
1633 else if (strcmp(eosf - 3, ".rm") == 0)
1634 strcpy(eosf - 3, ".ram");
1635 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1636 /* generate a sample RTSP director if
1637 unicast. Generate an SDP redirector if
1639 eosf = strrchr(sfilename, '.');
1641 eosf = sfilename + strlen(sfilename);
1642 if (stream->is_multicast)
1643 strcpy(eosf, ".sdp");
1645 strcpy(eosf, ".rtsp");
1649 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1650 sfilename, stream->filename);
1651 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1652 stream->conns_served);
1653 fmt_bytecount(pb, stream->bytes_served);
1654 switch(stream->stream_type) {
1655 case STREAM_TYPE_LIVE:
1657 int audio_bit_rate = 0;
1658 int video_bit_rate = 0;
1659 const char *audio_codec_name = "";
1660 const char *video_codec_name = "";
1661 const char *audio_codec_name_extra = "";
1662 const char *video_codec_name_extra = "";
1664 for(i=0;i<stream->nb_streams;i++) {
1665 AVStream *st = stream->streams[i];
1666 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1667 switch(st->codec->codec_type) {
1668 case CODEC_TYPE_AUDIO:
1669 audio_bit_rate += st->codec->bit_rate;
1671 if (*audio_codec_name)
1672 audio_codec_name_extra = "...";
1673 audio_codec_name = codec->name;
1676 case CODEC_TYPE_VIDEO:
1677 video_bit_rate += st->codec->bit_rate;
1679 if (*video_codec_name)
1680 video_codec_name_extra = "...";
1681 video_codec_name = codec->name;
1684 case CODEC_TYPE_DATA:
1685 video_bit_rate += st->codec->bit_rate;
1691 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",
1694 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1695 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1697 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1699 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1700 url_fprintf(pb, "\n");
1704 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1708 stream = stream->next;
1710 url_fprintf(pb, "</TABLE>\n");
1712 stream = first_stream;
1713 while (stream != NULL) {
1714 if (stream->feed == stream) {
1715 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1717 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1719 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1724 /* This is somewhat linux specific I guess */
1725 snprintf(ps_cmd, sizeof(ps_cmd),
1726 "ps -o \"%%cpu,cputime\" --no-headers %d",
1729 pid_stat = popen(ps_cmd, "r");
1734 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1736 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1744 url_fprintf(pb, "<p>");
1746 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");
1748 for (i = 0; i < stream->nb_streams; i++) {
1749 AVStream *st = stream->streams[i];
1750 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1751 const char *type = "unknown";
1752 char parameters[64];
1756 switch(st->codec->codec_type) {
1757 case CODEC_TYPE_AUDIO:
1759 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1761 case CODEC_TYPE_VIDEO:
1763 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1764 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1769 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1770 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1772 url_fprintf(pb, "</table>\n");
1775 stream = stream->next;
1781 AVCodecContext *enc;
1785 stream = first_feed;
1786 while (stream != NULL) {
1787 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1788 url_fprintf(pb, "<TABLE>\n");
1789 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1790 for(i=0;i<stream->nb_streams;i++) {
1791 AVStream *st = stream->streams[i];
1792 FeedData *fdata = st->priv_data;
1795 avcodec_string(buf, sizeof(buf), enc);
1796 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1797 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1798 avg /= enc->frame_size;
1799 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1800 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1802 url_fprintf(pb, "</TABLE>\n");
1803 stream = stream->next_feed;
1808 /* connection status */
1809 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1811 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1812 nb_connections, nb_max_connections);
1814 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1815 current_bandwidth, max_bandwidth);
1817 url_fprintf(pb, "<TABLE>\n");
1818 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");
1819 c1 = first_http_ctx;
1821 while (c1 != NULL) {
1827 for (j = 0; j < c1->stream->nb_streams; j++) {
1828 if (!c1->stream->feed)
1829 bitrate += c1->stream->streams[j]->codec->bit_rate;
1830 else if (c1->feed_streams[j] >= 0)
1831 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1836 p = inet_ntoa(c1->from_addr.sin_addr);
1837 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1839 c1->stream ? c1->stream->filename : "",
1840 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1843 http_state[c1->state]);
1844 fmt_bytecount(pb, bitrate);
1845 url_fprintf(pb, "<td align=right>");
1846 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1847 url_fprintf(pb, "<td align=right>");
1848 fmt_bytecount(pb, c1->data_count);
1849 url_fprintf(pb, "\n");
1852 url_fprintf(pb, "</TABLE>\n");
1857 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1858 url_fprintf(pb, "</BODY>\n</HTML>\n");
1860 len = url_close_dyn_buf(pb, &c->pb_buffer);
1861 c->buffer_ptr = c->pb_buffer;
1862 c->buffer_end = c->pb_buffer + len;
1865 /* check if the parser needs to be opened for stream i */
1866 static void open_parser(AVFormatContext *s, int i)
1868 AVStream *st = s->streams[i];
1871 if (!st->codec->codec) {
1872 codec = avcodec_find_decoder(st->codec->codec_id);
1873 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1874 st->codec->parse_only = 1;
1875 if (avcodec_open(st->codec, codec) < 0)
1876 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))
1896 stream_pos = parse_date(buf, 0);
1897 if (stream_pos == INT64_MIN)
1900 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1901 int prebuffer = strtol(buf, 0, 10);
1902 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1904 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1906 strcpy(input_filename, c->stream->feed_filename);
1908 /* compute position (relative time) */
1909 if (find_info_tag(buf, sizeof(buf), "date", info))
1911 stream_pos = parse_date(buf, 1);
1912 if (stream_pos == INT64_MIN)
1918 if (input_filename[0] == '\0')
1922 { time_t when = stream_pos / 1000000;
1923 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1928 if (av_open_input_file(&s, input_filename, c->stream->ifmt,
1929 buf_size, c->stream->ap_in) < 0) {
1930 http_log("%s not found", input_filename);
1933 s->flags |= AVFMT_FLAG_GENPTS;
1935 av_find_stream_info(c->fmt_in);
1937 /* open each parser */
1938 for(i=0;i<s->nb_streams;i++)
1941 /* choose stream as clock source (we favorize video stream if
1942 present) for packet sending */
1943 c->pts_stream_index = 0;
1944 for(i=0;i<c->stream->nb_streams;i++) {
1945 if (c->pts_stream_index == 0 &&
1946 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1947 c->pts_stream_index = i;
1952 if (c->fmt_in->iformat->read_seek)
1953 c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
1955 /* set the start time (needed for maxtime and RTP packet timing) */
1956 c->start_time = cur_time;
1957 c->first_pts = AV_NOPTS_VALUE;
1961 /* return the server clock (in us) */
1962 static int64_t get_server_clock(HTTPContext *c)
1964 /* compute current pts value from system time */
1965 return (cur_time - c->start_time) * 1000;
1968 /* return the estimated time at which the current packet must be sent
1970 static int64_t get_packet_send_clock(HTTPContext *c)
1972 int bytes_left, bytes_sent, frame_bytes;
1974 frame_bytes = c->cur_frame_bytes;
1975 if (frame_bytes <= 0)
1978 bytes_left = c->buffer_end - c->buffer_ptr;
1979 bytes_sent = frame_bytes - bytes_left;
1980 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1985 static int http_prepare_data(HTTPContext *c)
1988 AVFormatContext *ctx;
1990 av_freep(&c->pb_buffer);
1992 case HTTPSTATE_SEND_DATA_HEADER:
1993 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1994 av_strlcpy(c->fmt_ctx.author, c->stream->author,
1995 sizeof(c->fmt_ctx.author));
1996 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
1997 sizeof(c->fmt_ctx.comment));
1998 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
1999 sizeof(c->fmt_ctx.copyright));
2000 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2001 sizeof(c->fmt_ctx.title));
2003 /* open output stream by using specified codecs */
2004 c->fmt_ctx.oformat = c->stream->fmt;
2005 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2006 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2009 st = av_mallocz(sizeof(AVStream));
2010 st->codec= avcodec_alloc_context();
2011 c->fmt_ctx.streams[i] = st;
2012 /* if file or feed, then just take streams from FFStream struct */
2013 if (!c->stream->feed ||
2014 c->stream->feed == c->stream)
2015 src = c->stream->streams[i];
2017 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2021 st->codec->frame_number = 0; /* XXX: should be done in
2022 AVStream, not in codec */
2023 /* I'm pretty sure that this is not correct...
2024 * However, without it, we crash
2026 st->codec->coded_frame = &dummy_frame;
2028 c->got_key_frame = 0;
2030 /* prepare header and save header data in a stream */
2031 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2032 /* XXX: potential leak */
2035 c->fmt_ctx.pb->is_streamed = 1;
2037 av_set_parameters(&c->fmt_ctx, NULL);
2038 if (av_write_header(&c->fmt_ctx) < 0)
2041 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2042 c->buffer_ptr = c->pb_buffer;
2043 c->buffer_end = c->pb_buffer + len;
2045 c->state = HTTPSTATE_SEND_DATA;
2046 c->last_packet_sent = 0;
2048 case HTTPSTATE_SEND_DATA:
2049 /* find a new packet */
2053 /* read a packet from the input stream */
2054 if (c->stream->feed)
2055 ffm_set_write_index(c->fmt_in,
2056 c->stream->feed->feed_write_index,
2057 c->stream->feed->feed_size);
2059 if (c->stream->max_time &&
2060 c->stream->max_time + c->start_time - cur_time < 0)
2061 /* We have timed out */
2062 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2065 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2066 if (c->stream->feed && c->stream->feed->feed_opened) {
2067 /* if coming from feed, it means we reached the end of the
2068 ffm file, so must wait for more data */
2069 c->state = HTTPSTATE_WAIT_FEED;
2070 return 1; /* state changed */
2072 if (c->stream->loop) {
2073 av_close_input_file(c->fmt_in);
2075 if (open_input_stream(c, "") < 0)
2080 /* must send trailer now because eof or error */
2081 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2085 /* update first pts if needed */
2086 if (c->first_pts == AV_NOPTS_VALUE) {
2087 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2088 c->start_time = cur_time;
2090 /* send it to the appropriate stream */
2091 if (c->stream->feed) {
2092 /* if coming from a feed, select the right stream */
2093 if (c->switch_pending) {
2094 c->switch_pending = 0;
2095 for(i=0;i<c->stream->nb_streams;i++) {
2096 if (c->switch_feed_streams[i] == pkt.stream_index)
2097 if (pkt.flags & PKT_FLAG_KEY)
2098 do_switch_stream(c, i);
2099 if (c->switch_feed_streams[i] >= 0)
2100 c->switch_pending = 1;
2103 for(i=0;i<c->stream->nb_streams;i++) {
2104 if (c->feed_streams[i] == pkt.stream_index) {
2105 pkt.stream_index = i;
2106 if (pkt.flags & PKT_FLAG_KEY)
2107 c->got_key_frame |= 1 << i;
2108 /* See if we have all the key frames, then
2109 * we start to send. This logic is not quite
2110 * right, but it works for the case of a
2111 * single video stream with one or more
2112 * audio streams (for which every frame is
2113 * typically a key frame).
2115 if (!c->stream->send_on_key ||
2116 ((c->got_key_frame + 1) >> c->stream->nb_streams))
2121 AVCodecContext *codec;
2124 /* specific handling for RTP: we use several
2125 output stream (one for each RTP
2126 connection). XXX: need more abstract handling */
2127 if (c->is_packetized) {
2129 /* compute send time and duration */
2130 st = c->fmt_in->streams[pkt.stream_index];
2131 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2132 if (st->start_time != AV_NOPTS_VALUE)
2133 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2134 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2136 printf("index=%d pts=%0.3f duration=%0.6f\n",
2138 (double)c->cur_pts /
2140 (double)c->cur_frame_duration /
2143 /* find RTP context */
2144 c->packet_stream_index = pkt.stream_index;
2145 ctx = c->rtp_ctx[c->packet_stream_index];
2147 av_free_packet(&pkt);
2150 codec = ctx->streams[0]->codec;
2151 /* only one stream per RTP connection */
2152 pkt.stream_index = 0;
2156 codec = ctx->streams[pkt.stream_index]->codec;
2159 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2160 if (c->is_packetized) {
2161 int max_packet_size;
2162 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2163 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2165 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2166 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2168 ret = url_open_dyn_buf(&ctx->pb);
2171 /* XXX: potential leak */
2174 if (pkt.dts != AV_NOPTS_VALUE)
2175 pkt.dts = av_rescale_q(pkt.dts,
2176 c->fmt_in->streams[pkt.stream_index]->time_base,
2177 ctx->streams[pkt.stream_index]->time_base);
2178 if (pkt.pts != AV_NOPTS_VALUE)
2179 pkt.pts = av_rescale_q(pkt.pts,
2180 c->fmt_in->streams[pkt.stream_index]->time_base,
2181 ctx->streams[pkt.stream_index]->time_base);
2182 if (av_write_frame(ctx, &pkt))
2183 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2185 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2186 c->cur_frame_bytes = len;
2187 c->buffer_ptr = c->pb_buffer;
2188 c->buffer_end = c->pb_buffer + len;
2190 codec->frame_number++;
2194 av_free_packet(&pkt);
2200 case HTTPSTATE_SEND_DATA_TRAILER:
2201 /* last packet test ? */
2202 if (c->last_packet_sent || c->is_packetized)
2205 /* prepare header */
2206 if (url_open_dyn_buf(&ctx->pb) < 0) {
2207 /* XXX: potential leak */
2210 av_write_trailer(ctx);
2211 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2212 c->buffer_ptr = c->pb_buffer;
2213 c->buffer_end = c->pb_buffer + len;
2215 c->last_packet_sent = 1;
2221 /* should convert the format at the same time */
2222 /* send data starting at c->buffer_ptr to the output connection
2223 (either UDP or TCP connection) */
2224 static int http_send_data(HTTPContext *c)
2229 if (c->buffer_ptr >= c->buffer_end) {
2230 ret = http_prepare_data(c);
2234 /* state change requested */
2237 if (c->is_packetized) {
2238 /* RTP data output */
2239 len = c->buffer_end - c->buffer_ptr;
2241 /* fail safe - should never happen */
2243 c->buffer_ptr = c->buffer_end;
2246 len = (c->buffer_ptr[0] << 24) |
2247 (c->buffer_ptr[1] << 16) |
2248 (c->buffer_ptr[2] << 8) |
2250 if (len > (c->buffer_end - c->buffer_ptr))
2252 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2253 /* nothing to send yet: we can wait */
2257 c->data_count += len;
2258 update_datarate(&c->datarate, c->data_count);
2260 c->stream->bytes_served += len;
2262 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2263 /* RTP packets are sent inside the RTSP TCP connection */
2265 int interleaved_index, size;
2267 HTTPContext *rtsp_c;
2270 /* if no RTSP connection left, error */
2273 /* if already sending something, then wait. */
2274 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2276 if (url_open_dyn_buf(&pb) < 0)
2278 interleaved_index = c->packet_stream_index * 2;
2279 /* RTCP packets are sent at odd indexes */
2280 if (c->buffer_ptr[1] == 200)
2281 interleaved_index++;
2282 /* write RTSP TCP header */
2284 header[1] = interleaved_index;
2285 header[2] = len >> 8;
2287 put_buffer(pb, header, 4);
2288 /* write RTP packet data */
2290 put_buffer(pb, c->buffer_ptr, len);
2291 size = url_close_dyn_buf(pb, &c->packet_buffer);
2292 /* prepare asynchronous TCP sending */
2293 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2294 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2295 c->buffer_ptr += len;
2297 /* send everything we can NOW */
2298 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2299 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2301 rtsp_c->packet_buffer_ptr += len;
2302 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2303 /* if we could not send all the data, we will
2304 send it later, so a new state is needed to
2305 "lock" the RTSP TCP connection */
2306 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2309 /* all data has been sent */
2310 av_freep(&c->packet_buffer);
2312 /* send RTP packet directly in UDP */
2314 url_write(c->rtp_handles[c->packet_stream_index],
2315 c->buffer_ptr, len);
2316 c->buffer_ptr += len;
2317 /* here we continue as we can send several packets per 10 ms slot */
2320 /* TCP data output */
2321 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2323 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2324 ff_neterrno() != FF_NETERROR(EINTR))
2325 /* error : close connection */
2330 c->buffer_ptr += len;
2332 c->data_count += len;
2333 update_datarate(&c->datarate, c->data_count);
2335 c->stream->bytes_served += len;
2343 static int http_start_receive_data(HTTPContext *c)
2347 if (c->stream->feed_opened)
2350 /* Don't permit writing to this one */
2351 if (c->stream->readonly)
2355 fd = open(c->stream->feed_filename, O_RDWR);
2360 c->stream->feed_write_index = ffm_read_write_index(fd);
2361 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2362 lseek(fd, 0, SEEK_SET);
2364 /* init buffer input */
2365 c->buffer_ptr = c->buffer;
2366 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2367 c->stream->feed_opened = 1;
2371 static int http_receive_data(HTTPContext *c)
2375 if (c->buffer_end > c->buffer_ptr) {
2378 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2380 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2381 ff_neterrno() != FF_NETERROR(EINTR))
2382 /* error : close connection */
2384 } else if (len == 0)
2385 /* end of connection : close it */
2388 c->buffer_ptr += len;
2389 c->data_count += len;
2390 update_datarate(&c->datarate, c->data_count);
2394 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2395 if (c->buffer[0] != 'f' ||
2396 c->buffer[1] != 'm') {
2397 http_log("Feed stream has become desynchronized -- disconnecting\n");
2402 if (c->buffer_ptr >= c->buffer_end) {
2403 FFStream *feed = c->stream;
2404 /* a packet has been received : write it in the store, except
2406 if (c->data_count > FFM_PACKET_SIZE) {
2408 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2409 /* XXX: use llseek or url_seek */
2410 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2411 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2413 feed->feed_write_index += FFM_PACKET_SIZE;
2414 /* update file size */
2415 if (feed->feed_write_index > c->stream->feed_size)
2416 feed->feed_size = feed->feed_write_index;
2418 /* handle wrap around if max file size reached */
2419 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2420 feed->feed_write_index = FFM_PACKET_SIZE;
2423 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2425 /* wake up any waiting connections */
2426 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2427 if (c1->state == HTTPSTATE_WAIT_FEED &&
2428 c1->stream->feed == c->stream->feed)
2429 c1->state = HTTPSTATE_SEND_DATA;
2432 /* We have a header in our hands that contains useful data */
2434 AVInputFormat *fmt_in;
2437 memset(&s, 0, sizeof(s));
2439 url_open_buf(&s.pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2440 s.pb->buf_end = c->buffer_end; /* ?? */
2441 s.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));
2468 av_freep(&s.priv_data);
2470 c->buffer_ptr = c->buffer;
2475 c->stream->feed_opened = 0;
2480 /********************************************************************/
2483 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2490 switch(error_number) {
2491 case RTSP_STATUS_OK:
2494 case RTSP_STATUS_METHOD:
2495 str = "Method Not Allowed";
2497 case RTSP_STATUS_BANDWIDTH:
2498 str = "Not Enough Bandwidth";
2500 case RTSP_STATUS_SESSION:
2501 str = "Session Not Found";
2503 case RTSP_STATUS_STATE:
2504 str = "Method Not Valid in This State";
2506 case RTSP_STATUS_AGGREGATE:
2507 str = "Aggregate operation not allowed";
2509 case RTSP_STATUS_ONLY_AGGREGATE:
2510 str = "Only aggregate operation allowed";
2512 case RTSP_STATUS_TRANSPORT:
2513 str = "Unsupported transport";
2515 case RTSP_STATUS_INTERNAL:
2516 str = "Internal Server Error";
2518 case RTSP_STATUS_SERVICE:
2519 str = "Service Unavailable";
2521 case RTSP_STATUS_VERSION:
2522 str = "RTSP Version not supported";
2525 str = "Unknown Error";
2529 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2530 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2532 /* output GMT time */
2536 p = buf2 + strlen(p) - 1;
2539 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2542 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2544 rtsp_reply_header(c, error_number);
2545 url_fprintf(c->pb, "\r\n");
2548 static int rtsp_parse_request(HTTPContext *c)
2550 const char *p, *p1, *p2;
2556 RTSPHeader header1, *header = &header1;
2558 c->buffer_ptr[0] = '\0';
2561 get_word(cmd, sizeof(cmd), &p);
2562 get_word(url, sizeof(url), &p);
2563 get_word(protocol, sizeof(protocol), &p);
2565 av_strlcpy(c->method, cmd, sizeof(c->method));
2566 av_strlcpy(c->url, url, sizeof(c->url));
2567 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2569 if (url_open_dyn_buf(&c->pb) < 0) {
2570 /* XXX: cannot do more */
2571 c->pb = NULL; /* safety */
2575 /* check version name */
2576 if (strcmp(protocol, "RTSP/1.0") != 0) {
2577 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2581 /* parse each header line */
2582 memset(header, 0, sizeof(RTSPHeader));
2583 /* skip to next line */
2584 while (*p != '\n' && *p != '\0')
2588 while (*p != '\0') {
2589 p1 = strchr(p, '\n');
2593 if (p2 > p && p2[-1] == '\r')
2595 /* skip empty line */
2599 if (len > sizeof(line) - 1)
2600 len = sizeof(line) - 1;
2601 memcpy(line, p, len);
2603 rtsp_parse_line(header, line);
2607 /* handle sequence number */
2608 c->seq = header->seq;
2610 if (!strcmp(cmd, "DESCRIBE"))
2611 rtsp_cmd_describe(c, url);
2612 else if (!strcmp(cmd, "OPTIONS"))
2613 rtsp_cmd_options(c, url);
2614 else if (!strcmp(cmd, "SETUP"))
2615 rtsp_cmd_setup(c, url, header);
2616 else if (!strcmp(cmd, "PLAY"))
2617 rtsp_cmd_play(c, url, header);
2618 else if (!strcmp(cmd, "PAUSE"))
2619 rtsp_cmd_pause(c, url, header);
2620 else if (!strcmp(cmd, "TEARDOWN"))
2621 rtsp_cmd_teardown(c, url, header);
2623 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2626 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2627 c->pb = NULL; /* safety */
2629 /* XXX: cannot do more */
2632 c->buffer_ptr = c->pb_buffer;
2633 c->buffer_end = c->pb_buffer + len;
2634 c->state = RTSPSTATE_SEND_REPLY;
2638 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2639 struct in_addr my_ip)
2641 AVFormatContext *avc;
2642 AVStream avs[MAX_STREAMS];
2645 avc = av_alloc_format_context();
2649 if (stream->title[0] != 0) {
2650 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2652 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2654 avc->nb_streams = stream->nb_streams;
2655 if (stream->is_multicast) {
2656 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2657 inet_ntoa(stream->multicast_ip),
2658 stream->multicast_port, stream->multicast_ttl);
2661 for(i = 0; i < stream->nb_streams; i++) {
2662 avc->streams[i] = &avs[i];
2663 avc->streams[i]->codec = stream->streams[i]->codec;
2665 *pbuffer = av_mallocz(2048);
2666 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2669 return strlen(*pbuffer);
2672 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2674 // rtsp_reply_header(c, RTSP_STATUS_OK);
2675 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2676 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2677 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2678 url_fprintf(c->pb, "\r\n");
2681 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2687 int content_length, len;
2688 struct sockaddr_in my_addr;
2690 /* find which url is asked */
2691 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2696 for(stream = first_stream; stream != NULL; stream = stream->next) {
2697 if (!stream->is_feed &&
2698 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2699 !strcmp(path, stream->filename)) {
2703 /* no stream found */
2704 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2708 /* prepare the media description in sdp format */
2710 /* get the host IP */
2711 len = sizeof(my_addr);
2712 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2713 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2714 if (content_length < 0) {
2715 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2718 rtsp_reply_header(c, RTSP_STATUS_OK);
2719 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2720 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2721 url_fprintf(c->pb, "\r\n");
2722 put_buffer(c->pb, content, content_length);
2725 static HTTPContext *find_rtp_session(const char *session_id)
2729 if (session_id[0] == '\0')
2732 for(c = first_http_ctx; c != NULL; c = c->next) {
2733 if (!strcmp(c->session_id, session_id))
2739 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2741 RTSPTransportField *th;
2744 for(i=0;i<h->nb_transports;i++) {
2745 th = &h->transports[i];
2746 if (th->protocol == protocol)
2752 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2756 int stream_index, port;
2761 RTSPTransportField *th;
2762 struct sockaddr_in dest_addr;
2763 RTSPActionServerSetup setup;
2765 /* find which url is asked */
2766 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2771 /* now check each stream */
2772 for(stream = first_stream; stream != NULL; stream = stream->next) {
2773 if (!stream->is_feed &&
2774 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2775 /* accept aggregate filenames only if single stream */
2776 if (!strcmp(path, stream->filename)) {
2777 if (stream->nb_streams != 1) {
2778 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2785 for(stream_index = 0; stream_index < stream->nb_streams;
2787 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2788 stream->filename, stream_index);
2789 if (!strcmp(path, buf))
2794 /* no stream found */
2795 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2799 /* generate session id if needed */
2800 if (h->session_id[0] == '\0')
2801 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2802 av_random(&random_state), av_random(&random_state));
2804 /* find rtp session, and create it if none found */
2805 rtp_c = find_rtp_session(h->session_id);
2807 /* always prefer UDP */
2808 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2810 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2812 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2817 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2820 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2824 /* open input stream */
2825 if (open_input_stream(rtp_c, "") < 0) {
2826 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2831 /* test if stream is OK (test needed because several SETUP needs
2832 to be done for a given file) */
2833 if (rtp_c->stream != stream) {
2834 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2838 /* test if stream is already set up */
2839 if (rtp_c->rtp_ctx[stream_index]) {
2840 rtsp_reply_error(c, RTSP_STATUS_STATE);
2844 /* check transport */
2845 th = find_transport(h, rtp_c->rtp_protocol);
2846 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2847 th->client_port_min <= 0)) {
2848 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2852 /* setup default options */
2853 setup.transport_option[0] = '\0';
2854 dest_addr = rtp_c->from_addr;
2855 dest_addr.sin_port = htons(th->client_port_min);
2858 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2859 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2863 /* now everything is OK, so we can send the connection parameters */
2864 rtsp_reply_header(c, RTSP_STATUS_OK);
2866 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2868 switch(rtp_c->rtp_protocol) {
2869 case RTSP_PROTOCOL_RTP_UDP:
2870 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2871 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2872 "client_port=%d-%d;server_port=%d-%d",
2873 th->client_port_min, th->client_port_min + 1,
2876 case RTSP_PROTOCOL_RTP_TCP:
2877 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2878 stream_index * 2, stream_index * 2 + 1);
2883 if (setup.transport_option[0] != '\0')
2884 url_fprintf(c->pb, ";%s", setup.transport_option);
2885 url_fprintf(c->pb, "\r\n");
2888 url_fprintf(c->pb, "\r\n");
2892 /* find an rtp connection by using the session ID. Check consistency
2894 static HTTPContext *find_rtp_session_with_url(const char *url,
2895 const char *session_id)
2903 rtp_c = find_rtp_session(session_id);
2907 /* find which url is asked */
2908 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2912 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2913 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2914 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2915 rtp_c->stream->filename, s);
2916 if(!strncmp(path, buf, sizeof(buf))) {
2917 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2924 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2928 rtp_c = find_rtp_session_with_url(url, h->session_id);
2930 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2934 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2935 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2936 rtp_c->state != HTTPSTATE_READY) {
2937 rtsp_reply_error(c, RTSP_STATUS_STATE);
2942 /* XXX: seek in stream */
2943 if (h->range_start != AV_NOPTS_VALUE) {
2944 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2945 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2949 rtp_c->state = HTTPSTATE_SEND_DATA;
2951 /* now everything is OK, so we can send the connection parameters */
2952 rtsp_reply_header(c, RTSP_STATUS_OK);
2954 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2955 url_fprintf(c->pb, "\r\n");
2958 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
2962 rtp_c = find_rtp_session_with_url(url, h->session_id);
2964 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2968 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2969 rtp_c->state != HTTPSTATE_WAIT_FEED) {
2970 rtsp_reply_error(c, RTSP_STATUS_STATE);
2974 rtp_c->state = HTTPSTATE_READY;
2975 rtp_c->first_pts = AV_NOPTS_VALUE;
2976 /* now everything is OK, so we can send the connection parameters */
2977 rtsp_reply_header(c, RTSP_STATUS_OK);
2979 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2980 url_fprintf(c->pb, "\r\n");
2983 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
2986 char session_id[32];
2988 rtp_c = find_rtp_session_with_url(url, h->session_id);
2990 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2994 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
2996 /* abort the session */
2997 close_connection(rtp_c);
2999 /* now everything is OK, so we can send the connection parameters */
3000 rtsp_reply_header(c, RTSP_STATUS_OK);
3002 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3003 url_fprintf(c->pb, "\r\n");
3007 /********************************************************************/
3010 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3011 FFStream *stream, const char *session_id,
3012 enum RTSPProtocol rtp_protocol)
3014 HTTPContext *c = NULL;
3015 const char *proto_str;
3017 /* XXX: should output a warning page when coming
3018 close to the connection limit */
3019 if (nb_connections >= nb_max_connections)
3022 /* add a new connection */
3023 c = av_mallocz(sizeof(HTTPContext));
3028 c->poll_entry = NULL;
3029 c->from_addr = *from_addr;
3030 c->buffer_size = IOBUFFER_INIT_SIZE;
3031 c->buffer = av_malloc(c->buffer_size);
3036 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3037 c->state = HTTPSTATE_READY;
3038 c->is_packetized = 1;
3039 c->rtp_protocol = rtp_protocol;
3041 /* protocol is shown in statistics */
3042 switch(c->rtp_protocol) {
3043 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3044 proto_str = "MCAST";
3046 case RTSP_PROTOCOL_RTP_UDP:
3049 case RTSP_PROTOCOL_RTP_TCP:
3056 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3057 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3059 current_bandwidth += stream->bandwidth;
3061 c->next = first_http_ctx;
3073 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3074 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3076 static int rtp_new_av_stream(HTTPContext *c,
3077 int stream_index, struct sockaddr_in *dest_addr,
3078 HTTPContext *rtsp_c)
3080 AVFormatContext *ctx;
3086 int max_packet_size;
3088 /* now we can open the relevant output stream */
3089 ctx = av_alloc_format_context();
3092 ctx->oformat = guess_format("rtp", NULL, NULL);
3094 st = av_mallocz(sizeof(AVStream));
3097 st->codec= avcodec_alloc_context();
3098 ctx->nb_streams = 1;
3099 ctx->streams[0] = st;
3101 if (!c->stream->feed ||
3102 c->stream->feed == c->stream)
3103 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3106 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3108 st->priv_data = NULL;
3110 /* build destination RTP address */
3111 ipaddr = inet_ntoa(dest_addr->sin_addr);
3113 switch(c->rtp_protocol) {
3114 case RTSP_PROTOCOL_RTP_UDP:
3115 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3118 /* XXX: also pass as parameter to function ? */
3119 if (c->stream->is_multicast) {
3121 ttl = c->stream->multicast_ttl;
3124 snprintf(ctx->filename, sizeof(ctx->filename),
3125 "rtp://%s:%d?multicast=1&ttl=%d",
3126 ipaddr, ntohs(dest_addr->sin_port), ttl);
3128 snprintf(ctx->filename, sizeof(ctx->filename),
3129 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3132 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3134 c->rtp_handles[stream_index] = h;
3135 max_packet_size = url_get_max_packet_size(h);
3137 case RTSP_PROTOCOL_RTP_TCP:
3140 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3146 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3147 ipaddr, ntohs(dest_addr->sin_port),
3149 c->stream->filename, stream_index, c->protocol);
3151 /* normally, no packets should be output here, but the packet size may be checked */
3152 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3153 /* XXX: close stream */
3156 av_set_parameters(ctx, NULL);
3157 if (av_write_header(ctx) < 0) {
3164 url_close_dyn_buf(ctx->pb, &dummy_buf);
3167 c->rtp_ctx[stream_index] = ctx;
3171 /********************************************************************/
3172 /* ffserver initialization */
3174 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3178 fst = av_mallocz(sizeof(AVStream));
3181 fst->codec= avcodec_alloc_context();
3182 fst->priv_data = av_mallocz(sizeof(FeedData));
3183 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3184 fst->codec->coded_frame = &dummy_frame;
3185 fst->index = stream->nb_streams;
3186 av_set_pts_info(fst, 33, 1, 90000);
3187 stream->streams[stream->nb_streams++] = fst;
3191 /* return the stream number in the feed */
3192 static int add_av_stream(FFStream *feed, AVStream *st)
3195 AVCodecContext *av, *av1;
3199 for(i=0;i<feed->nb_streams;i++) {
3200 st = feed->streams[i];
3202 if (av1->codec_id == av->codec_id &&
3203 av1->codec_type == av->codec_type &&
3204 av1->bit_rate == av->bit_rate) {
3206 switch(av->codec_type) {
3207 case CODEC_TYPE_AUDIO:
3208 if (av1->channels == av->channels &&
3209 av1->sample_rate == av->sample_rate)
3212 case CODEC_TYPE_VIDEO:
3213 if (av1->width == av->width &&
3214 av1->height == av->height &&
3215 av1->time_base.den == av->time_base.den &&
3216 av1->time_base.num == av->time_base.num &&
3217 av1->gop_size == av->gop_size)
3226 fst = add_av_stream1(feed, av);
3229 return feed->nb_streams - 1;
3234 static void remove_stream(FFStream *stream)
3238 while (*ps != NULL) {
3246 /* specific mpeg4 handling : we extract the raw parameters */
3247 static void extract_mpeg4_header(AVFormatContext *infile)
3249 int mpeg4_count, i, size;
3255 for(i=0;i<infile->nb_streams;i++) {
3256 st = infile->streams[i];
3257 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3258 st->codec->extradata_size == 0) {
3265 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3266 while (mpeg4_count > 0) {
3267 if (av_read_packet(infile, &pkt) < 0)
3269 st = infile->streams[pkt.stream_index];
3270 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3271 st->codec->extradata_size == 0) {
3272 av_freep(&st->codec->extradata);
3273 /* fill extradata with the header */
3274 /* XXX: we make hard suppositions here ! */
3276 while (p < pkt.data + pkt.size - 4) {
3277 /* stop when vop header is found */
3278 if (p[0] == 0x00 && p[1] == 0x00 &&
3279 p[2] == 0x01 && p[3] == 0xb6) {
3280 size = p - pkt.data;
3281 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3282 st->codec->extradata = av_malloc(size);
3283 st->codec->extradata_size = size;
3284 memcpy(st->codec->extradata, pkt.data, size);
3291 av_free_packet(&pkt);
3295 /* compute the needed AVStream for each file */
3296 static void build_file_streams(void)
3298 FFStream *stream, *stream_next;
3299 AVFormatContext *infile;
3302 /* gather all streams */
3303 for(stream = first_stream; stream != NULL; stream = stream_next) {
3304 stream_next = stream->next;
3305 if (stream->stream_type == STREAM_TYPE_LIVE &&
3307 /* the stream comes from a file */
3308 /* try to open the file */
3310 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3311 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3312 /* specific case : if transport stream output to RTP,
3313 we use a raw transport stream reader */
3314 stream->ap_in->mpeg2ts_raw = 1;
3315 stream->ap_in->mpeg2ts_compute_pcr = 1;
3318 if (av_open_input_file(&infile, stream->feed_filename,
3319 stream->ifmt, 0, stream->ap_in) < 0) {
3320 http_log("%s not found", stream->feed_filename);
3321 /* remove stream (no need to spend more time on it) */
3323 remove_stream(stream);
3325 /* find all the AVStreams inside and reference them in
3327 if (av_find_stream_info(infile) < 0) {
3328 http_log("Could not find codec parameters from '%s'",
3329 stream->feed_filename);
3330 av_close_input_file(infile);
3333 extract_mpeg4_header(infile);
3335 for(i=0;i<infile->nb_streams;i++)
3336 add_av_stream1(stream, infile->streams[i]->codec);
3338 av_close_input_file(infile);
3344 /* compute the needed AVStream for each feed */
3345 static void build_feed_streams(void)
3347 FFStream *stream, *feed;
3350 /* gather all streams */
3351 for(stream = first_stream; stream != NULL; stream = stream->next) {
3352 feed = stream->feed;
3354 if (!stream->is_feed) {
3355 /* we handle a stream coming from a feed */
3356 for(i=0;i<stream->nb_streams;i++)
3357 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3362 /* gather all streams */
3363 for(stream = first_stream; stream != NULL; stream = stream->next) {
3364 feed = stream->feed;
3366 if (stream->is_feed) {
3367 for(i=0;i<stream->nb_streams;i++)
3368 stream->feed_streams[i] = i;
3373 /* create feed files if needed */
3374 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3377 if (url_exist(feed->feed_filename)) {
3378 /* See if it matches */
3382 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3383 /* Now see if it matches */
3384 if (s->nb_streams == feed->nb_streams) {
3386 for(i=0;i<s->nb_streams;i++) {
3388 sf = feed->streams[i];
3391 if (sf->index != ss->index ||
3393 printf("Index & Id do not match for stream %d (%s)\n",
3394 i, feed->feed_filename);
3397 AVCodecContext *ccf, *ccs;
3401 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3403 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3404 printf("Codecs do not match for stream %d\n", i);
3406 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3407 printf("Codec bitrates do not match for stream %d\n", i);
3409 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3410 if (CHECK_CODEC(time_base.den) ||
3411 CHECK_CODEC(time_base.num) ||
3412 CHECK_CODEC(width) ||
3413 CHECK_CODEC(height)) {
3414 printf("Codec width, height and framerate do not match for stream %d\n", i);
3417 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3418 if (CHECK_CODEC(sample_rate) ||
3419 CHECK_CODEC(channels) ||
3420 CHECK_CODEC(frame_size)) {
3421 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3425 printf("Unknown codec type\n");
3433 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3434 feed->feed_filename, s->nb_streams, feed->nb_streams);
3436 av_close_input_file(s);
3438 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3439 feed->feed_filename);
3442 if (feed->readonly) {
3443 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3444 feed->feed_filename);
3447 unlink(feed->feed_filename);
3450 if (!url_exist(feed->feed_filename)) {
3451 AVFormatContext s1, *s = &s1;
3453 if (feed->readonly) {
3454 printf("Unable to create feed file '%s' as it is marked readonly\n",
3455 feed->feed_filename);
3459 /* only write the header of the ffm file */
3460 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3461 fprintf(stderr, "Could not open output feed file '%s'\n",
3462 feed->feed_filename);
3465 s->oformat = feed->fmt;
3466 s->nb_streams = feed->nb_streams;
3467 for(i=0;i<s->nb_streams;i++) {
3469 st = feed->streams[i];
3472 av_set_parameters(s, NULL);
3473 if (av_write_header(s) < 0) {
3474 fprintf(stderr, "Container doesn't supports the required parameters\n");
3477 /* XXX: need better api */
3478 av_freep(&s->priv_data);
3481 /* get feed size and write index */
3482 fd = open(feed->feed_filename, O_RDONLY);
3484 fprintf(stderr, "Could not open output feed file '%s'\n",
3485 feed->feed_filename);
3489 feed->feed_write_index = ffm_read_write_index(fd);
3490 feed->feed_size = lseek(fd, 0, SEEK_END);
3491 /* ensure that we do not wrap before the end of file */
3492 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3493 feed->feed_max_size = feed->feed_size;
3499 /* compute the bandwidth used by each stream */
3500 static void compute_bandwidth(void)
3505 for(stream = first_stream; stream != NULL; stream = stream->next) {
3507 for(i=0;i<stream->nb_streams;i++) {
3508 AVStream *st = stream->streams[i];
3509 switch(st->codec->codec_type) {
3510 case CODEC_TYPE_AUDIO:
3511 case CODEC_TYPE_VIDEO:
3512 bandwidth += st->codec->bit_rate;
3518 stream->bandwidth = (bandwidth + 999) / 1000;
3522 static void get_arg(char *buf, int buf_size, const char **pp)
3529 while (isspace(*p)) p++;
3532 if (*p == '\"' || *p == '\'')
3544 if ((q - buf) < buf_size - 1)
3549 if (quote && *p == quote)
3554 /* add a codec and set the default parameters */
3555 static void add_codec(FFStream *stream, AVCodecContext *av)
3559 /* compute default parameters */
3560 switch(av->codec_type) {
3561 case CODEC_TYPE_AUDIO:
3562 if (av->bit_rate == 0)
3563 av->bit_rate = 64000;
3564 if (av->sample_rate == 0)
3565 av->sample_rate = 22050;
3566 if (av->channels == 0)
3569 case CODEC_TYPE_VIDEO:
3570 if (av->bit_rate == 0)
3571 av->bit_rate = 64000;
3572 if (av->time_base.num == 0){
3573 av->time_base.den = 5;
3574 av->time_base.num = 1;
3576 if (av->width == 0 || av->height == 0) {
3580 /* Bitrate tolerance is less for streaming */
3581 if (av->bit_rate_tolerance == 0)
3582 av->bit_rate_tolerance = av->bit_rate / 4;
3587 if (av->max_qdiff == 0)
3589 av->qcompress = 0.5;
3592 if (!av->nsse_weight)
3593 av->nsse_weight = 8;
3595 av->frame_skip_cmp = FF_CMP_DCTMAX;
3596 av->me_method = ME_EPZS;
3597 av->rc_buffer_aggressivity = 1.0;
3600 av->rc_eq = "tex^qComp";
3601 if (!av->i_quant_factor)
3602 av->i_quant_factor = -0.8;
3603 if (!av->b_quant_factor)
3604 av->b_quant_factor = 1.25;
3605 if (!av->b_quant_offset)
3606 av->b_quant_offset = 1.25;
3607 if (!av->rc_max_rate)
3608 av->rc_max_rate = av->bit_rate * 2;
3610 if (av->rc_max_rate && !av->rc_buffer_size) {
3611 av->rc_buffer_size = av->rc_max_rate;
3620 st = av_mallocz(sizeof(AVStream));
3623 st->codec = avcodec_alloc_context();
3624 stream->streams[stream->nb_streams++] = st;
3625 memcpy(st->codec, av, sizeof(AVCodecContext));
3628 static int opt_audio_codec(const char *arg)
3634 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3639 return CODEC_ID_NONE;
3644 static int opt_video_codec(const char *arg)
3650 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3655 return CODEC_ID_NONE;
3660 /* simplistic plugin support */
3663 static void load_module(const char *filename)
3666 void (*init_func)(void);
3667 dll = dlopen(filename, RTLD_NOW);
3669 fprintf(stderr, "Could not load module '%s' - %s\n",
3670 filename, dlerror());
3674 init_func = dlsym(dll, "ffserver_module_init");
3677 "%s: init function 'ffserver_module_init()' not found\n",
3686 static int parse_ffconfig(const char *filename)
3693 int val, errors, line_num;
3694 FFStream **last_stream, *stream, *redirect;
3695 FFStream **last_feed, *feed;
3696 AVCodecContext audio_enc, video_enc;
3697 int audio_id, video_id;
3699 f = fopen(filename, "r");
3707 first_stream = NULL;
3708 last_stream = &first_stream;
3710 last_feed = &first_feed;
3714 audio_id = CODEC_ID_NONE;
3715 video_id = CODEC_ID_NONE;
3717 if (fgets(line, sizeof(line), f) == NULL)
3723 if (*p == '\0' || *p == '#')
3726 get_arg(cmd, sizeof(cmd), &p);
3728 if (!strcasecmp(cmd, "Port")) {
3729 get_arg(arg, sizeof(arg), &p);
3731 if (val < 1 || val > 65536) {
3732 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3733 filename, line_num, arg);
3736 my_http_addr.sin_port = htons(val);
3737 } else if (!strcasecmp(cmd, "BindAddress")) {
3738 get_arg(arg, sizeof(arg), &p);
3739 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3740 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3741 filename, line_num, arg);
3744 } else if (!strcasecmp(cmd, "NoDaemon")) {
3745 ffserver_daemon = 0;
3746 } else if (!strcasecmp(cmd, "RTSPPort")) {
3747 get_arg(arg, sizeof(arg), &p);
3749 if (val < 1 || val > 65536) {
3750 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3751 filename, line_num, arg);
3754 my_rtsp_addr.sin_port = htons(atoi(arg));
3755 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3756 get_arg(arg, sizeof(arg), &p);
3757 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3758 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3759 filename, line_num, arg);
3762 } else if (!strcasecmp(cmd, "MaxClients")) {
3763 get_arg(arg, sizeof(arg), &p);
3765 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3766 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3767 filename, line_num, arg);
3770 nb_max_connections = val;
3772 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3773 get_arg(arg, sizeof(arg), &p);
3775 if (val < 10 || val > 100000) {
3776 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3777 filename, line_num, arg);
3780 max_bandwidth = val;
3781 } else if (!strcasecmp(cmd, "CustomLog")) {
3782 get_arg(logfilename, sizeof(logfilename), &p);
3783 } else if (!strcasecmp(cmd, "<Feed")) {
3784 /*********************************************/
3785 /* Feed related options */
3787 if (stream || feed) {
3788 fprintf(stderr, "%s:%d: Already in a tag\n",
3789 filename, line_num);
3791 feed = av_mallocz(sizeof(FFStream));
3792 /* add in stream list */
3793 *last_stream = feed;
3794 last_stream = &feed->next;
3795 /* add in feed list */
3797 last_feed = &feed->next_feed;
3799 get_arg(feed->filename, sizeof(feed->filename), &p);
3800 q = strrchr(feed->filename, '>');
3803 feed->fmt = guess_format("ffm", NULL, NULL);
3804 /* defaut feed file */
3805 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3806 "/tmp/%s.ffm", feed->filename);
3807 feed->feed_max_size = 5 * 1024 * 1024;
3809 feed->feed = feed; /* self feeding :-) */
3811 } else if (!strcasecmp(cmd, "Launch")) {
3815 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3817 for (i = 0; i < 62; i++) {
3818 get_arg(arg, sizeof(arg), &p);
3822 feed->child_argv[i] = av_strdup(arg);
3825 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3827 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3829 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3830 inet_ntoa(my_http_addr.sin_addr),
3831 ntohs(my_http_addr.sin_port), feed->filename);
3836 fprintf(stdout, "Launch commandline: ");
3837 for (j = 0; j <= i; j++)
3838 fprintf(stdout, "%s ", feed->child_argv[j]);
3839 fprintf(stdout, "\n");
3842 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3844 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3846 } else if (stream) {
3847 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3849 } else if (!strcasecmp(cmd, "File")) {
3851 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3853 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3854 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3859 get_arg(arg, sizeof(arg), &p);
3861 fsize = strtod(p1, (char **)&p1);
3862 switch(toupper(*p1)) {
3867 fsize *= 1024 * 1024;
3870 fsize *= 1024 * 1024 * 1024;
3873 feed->feed_max_size = (int64_t)fsize;
3875 } else if (!strcasecmp(cmd, "</Feed>")) {
3877 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3878 filename, line_num);
3882 } else if (!strcasecmp(cmd, "<Stream")) {
3883 /*********************************************/
3884 /* Stream related options */
3886 if (stream || feed) {
3887 fprintf(stderr, "%s:%d: Already in a tag\n",
3888 filename, line_num);
3890 stream = av_mallocz(sizeof(FFStream));
3891 *last_stream = stream;
3892 last_stream = &stream->next;
3894 get_arg(stream->filename, sizeof(stream->filename), &p);
3895 q = strrchr(stream->filename, '>');
3898 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3899 memset(&audio_enc, 0, sizeof(AVCodecContext));
3900 memset(&video_enc, 0, sizeof(AVCodecContext));
3901 audio_id = CODEC_ID_NONE;
3902 video_id = CODEC_ID_NONE;
3904 audio_id = stream->fmt->audio_codec;
3905 video_id = stream->fmt->video_codec;
3908 } else if (!strcasecmp(cmd, "Feed")) {
3909 get_arg(arg, sizeof(arg), &p);
3914 while (sfeed != NULL) {
3915 if (!strcmp(sfeed->filename, arg))
3917 sfeed = sfeed->next_feed;
3920 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3921 filename, line_num, arg);
3923 stream->feed = sfeed;
3925 } else if (!strcasecmp(cmd, "Format")) {
3926 get_arg(arg, sizeof(arg), &p);
3927 if (!strcmp(arg, "status")) {
3928 stream->stream_type = STREAM_TYPE_STATUS;
3931 stream->stream_type = STREAM_TYPE_LIVE;
3932 /* jpeg cannot be used here, so use single frame jpeg */
3933 if (!strcmp(arg, "jpeg"))
3934 strcpy(arg, "mjpeg");
3935 stream->fmt = guess_stream_format(arg, NULL, NULL);
3937 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3938 filename, line_num, arg);
3943 audio_id = stream->fmt->audio_codec;
3944 video_id = stream->fmt->video_codec;
3946 } else if (!strcasecmp(cmd, "InputFormat")) {
3947 get_arg(arg, sizeof(arg), &p);
3948 stream->ifmt = av_find_input_format(arg);
3949 if (!stream->ifmt) {
3950 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3951 filename, line_num, arg);
3953 } else if (!strcasecmp(cmd, "FaviconURL")) {
3954 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3955 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3957 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3958 filename, line_num);
3961 } else if (!strcasecmp(cmd, "Author")) {
3963 get_arg(stream->author, sizeof(stream->author), &p);
3964 } else if (!strcasecmp(cmd, "Comment")) {
3966 get_arg(stream->comment, sizeof(stream->comment), &p);
3967 } else if (!strcasecmp(cmd, "Copyright")) {
3969 get_arg(stream->copyright, sizeof(stream->copyright), &p);
3970 } else if (!strcasecmp(cmd, "Title")) {
3972 get_arg(stream->title, sizeof(stream->title), &p);
3973 } else if (!strcasecmp(cmd, "Preroll")) {
3974 get_arg(arg, sizeof(arg), &p);
3976 stream->prebuffer = atof(arg) * 1000;
3977 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
3979 stream->send_on_key = 1;
3980 } else if (!strcasecmp(cmd, "AudioCodec")) {
3981 get_arg(arg, sizeof(arg), &p);
3982 audio_id = opt_audio_codec(arg);
3983 if (audio_id == CODEC_ID_NONE) {
3984 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
3985 filename, line_num, arg);
3988 } else if (!strcasecmp(cmd, "VideoCodec")) {
3989 get_arg(arg, sizeof(arg), &p);
3990 video_id = opt_video_codec(arg);
3991 if (video_id == CODEC_ID_NONE) {
3992 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
3993 filename, line_num, arg);
3996 } else if (!strcasecmp(cmd, "MaxTime")) {
3997 get_arg(arg, sizeof(arg), &p);
3999 stream->max_time = atof(arg) * 1000;
4000 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4001 get_arg(arg, sizeof(arg), &p);
4003 audio_enc.bit_rate = atoi(arg) * 1000;
4004 } else if (!strcasecmp(cmd, "AudioChannels")) {
4005 get_arg(arg, sizeof(arg), &p);
4007 audio_enc.channels = atoi(arg);
4008 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4009 get_arg(arg, sizeof(arg), &p);
4011 audio_enc.sample_rate = atoi(arg);
4012 } else if (!strcasecmp(cmd, "AudioQuality")) {
4013 get_arg(arg, sizeof(arg), &p);
4015 // audio_enc.quality = atof(arg) * 1000;
4017 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4019 int minrate, maxrate;
4021 get_arg(arg, sizeof(arg), &p);
4023 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4024 video_enc.rc_min_rate = minrate * 1000;
4025 video_enc.rc_max_rate = maxrate * 1000;
4027 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4028 filename, line_num, arg);
4032 } else if (!strcasecmp(cmd, "Debug")) {
4034 get_arg(arg, sizeof(arg), &p);
4035 video_enc.debug = strtol(arg,0,0);
4037 } else if (!strcasecmp(cmd, "Strict")) {
4039 get_arg(arg, sizeof(arg), &p);
4040 video_enc.strict_std_compliance = atoi(arg);
4042 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4044 get_arg(arg, sizeof(arg), &p);
4045 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4047 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4049 get_arg(arg, sizeof(arg), &p);
4050 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4052 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4053 get_arg(arg, sizeof(arg), &p);
4055 video_enc.bit_rate = atoi(arg) * 1000;
4057 } else if (!strcasecmp(cmd, "VideoSize")) {
4058 get_arg(arg, sizeof(arg), &p);
4060 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4061 if ((video_enc.width % 16) != 0 ||
4062 (video_enc.height % 16) != 0) {
4063 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4064 filename, line_num);
4068 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4069 get_arg(arg, sizeof(arg), &p);
4071 video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
4072 video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
4074 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4075 get_arg(arg, sizeof(arg), &p);
4077 video_enc.gop_size = atoi(arg);
4078 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4080 video_enc.gop_size = 1;
4081 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4083 video_enc.mb_decision = FF_MB_DECISION_BITS;
4084 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4086 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4087 video_enc.flags |= CODEC_FLAG_4MV;
4089 } else if (!strcasecmp(cmd, "VideoTag")) {
4090 get_arg(arg, sizeof(arg), &p);
4091 if ((strlen(arg) == 4) && stream)
4092 video_enc.codec_tag = ff_get_fourcc(arg);
4093 } else if (!strcasecmp(cmd, "BitExact")) {
4095 video_enc.flags |= CODEC_FLAG_BITEXACT;
4096 } else if (!strcasecmp(cmd, "DctFastint")) {
4098 video_enc.dct_algo = FF_DCT_FASTINT;
4099 } else if (!strcasecmp(cmd, "IdctSimple")) {
4101 video_enc.idct_algo = FF_IDCT_SIMPLE;
4102 } else if (!strcasecmp(cmd, "Qscale")) {
4103 get_arg(arg, sizeof(arg), &p);
4105 video_enc.flags |= CODEC_FLAG_QSCALE;
4106 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4108 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4109 get_arg(arg, sizeof(arg), &p);
4111 video_enc.max_qdiff = atoi(arg);
4112 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4113 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4114 filename, line_num);
4118 } else if (!strcasecmp(cmd, "VideoQMax")) {
4119 get_arg(arg, sizeof(arg), &p);
4121 video_enc.qmax = atoi(arg);
4122 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4123 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4124 filename, line_num);
4128 } else if (!strcasecmp(cmd, "VideoQMin")) {
4129 get_arg(arg, sizeof(arg), &p);
4131 video_enc.qmin = atoi(arg);
4132 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4133 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4134 filename, line_num);
4138 } else if (!strcasecmp(cmd, "LumaElim")) {
4139 get_arg(arg, sizeof(arg), &p);
4141 video_enc.luma_elim_threshold = atoi(arg);
4142 } else if (!strcasecmp(cmd, "ChromaElim")) {
4143 get_arg(arg, sizeof(arg), &p);
4145 video_enc.chroma_elim_threshold = atoi(arg);
4146 } else if (!strcasecmp(cmd, "LumiMask")) {
4147 get_arg(arg, sizeof(arg), &p);
4149 video_enc.lumi_masking = atof(arg);
4150 } else if (!strcasecmp(cmd, "DarkMask")) {
4151 get_arg(arg, sizeof(arg), &p);
4153 video_enc.dark_masking = atof(arg);
4154 } else if (!strcasecmp(cmd, "NoVideo")) {
4155 video_id = CODEC_ID_NONE;
4156 } else if (!strcasecmp(cmd, "NoAudio")) {
4157 audio_id = CODEC_ID_NONE;
4158 } else if (!strcasecmp(cmd, "ACL")) {
4161 get_arg(arg, sizeof(arg), &p);
4162 if (strcasecmp(arg, "allow") == 0)
4163 acl.action = IP_ALLOW;
4164 else if (strcasecmp(arg, "deny") == 0)
4165 acl.action = IP_DENY;
4167 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4168 filename, line_num, arg);
4172 get_arg(arg, sizeof(arg), &p);
4174 if (resolve_host(&acl.first, arg) != 0) {
4175 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4176 filename, line_num, arg);
4179 acl.last = acl.first;
4181 get_arg(arg, sizeof(arg), &p);
4184 if (resolve_host(&acl.last, arg) != 0) {
4185 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4186 filename, line_num, arg);
4192 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4193 IPAddressACL **naclp = 0;
4199 naclp = &stream->acl;
4203 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4204 filename, line_num);
4210 naclp = &(*naclp)->next;
4215 } else if (!strcasecmp(cmd, "RTSPOption")) {
4216 get_arg(arg, sizeof(arg), &p);
4218 av_freep(&stream->rtsp_option);
4219 stream->rtsp_option = av_strdup(arg);
4221 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4222 get_arg(arg, sizeof(arg), &p);
4224 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4225 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4226 filename, line_num, arg);
4229 stream->is_multicast = 1;
4230 stream->loop = 1; /* default is looping */
4232 } else if (!strcasecmp(cmd, "MulticastPort")) {
4233 get_arg(arg, sizeof(arg), &p);
4235 stream->multicast_port = atoi(arg);
4236 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4237 get_arg(arg, sizeof(arg), &p);
4239 stream->multicast_ttl = atoi(arg);
4240 } else if (!strcasecmp(cmd, "NoLoop")) {
4243 } else if (!strcasecmp(cmd, "</Stream>")) {
4245 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4246 filename, line_num);
4249 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4250 if (audio_id != CODEC_ID_NONE) {
4251 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4252 audio_enc.codec_id = audio_id;
4253 add_codec(stream, &audio_enc);
4255 if (video_id != CODEC_ID_NONE) {
4256 video_enc.codec_type = CODEC_TYPE_VIDEO;
4257 video_enc.codec_id = video_id;
4258 add_codec(stream, &video_enc);
4262 } else if (!strcasecmp(cmd, "<Redirect")) {
4263 /*********************************************/
4265 if (stream || feed || redirect) {
4266 fprintf(stderr, "%s:%d: Already in a tag\n",
4267 filename, line_num);
4270 redirect = av_mallocz(sizeof(FFStream));
4271 *last_stream = redirect;
4272 last_stream = &redirect->next;
4274 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4275 q = strrchr(redirect->filename, '>');
4278 redirect->stream_type = STREAM_TYPE_REDIRECT;
4280 } else if (!strcasecmp(cmd, "URL")) {
4282 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4283 } else if (!strcasecmp(cmd, "</Redirect>")) {
4285 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4286 filename, line_num);
4289 if (!redirect->feed_filename[0]) {
4290 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4291 filename, line_num);
4295 } else if (!strcasecmp(cmd, "LoadModule")) {
4296 get_arg(arg, sizeof(arg), &p);
4300 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4301 filename, line_num, arg);
4305 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4306 filename, line_num, cmd);
4318 static void show_help(void)
4320 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4321 "Hyper fast multi format Audio/Video streaming server\n"
4323 "-L : print the LICENSE\n"
4325 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4329 static void handle_child_exit(int sig)
4334 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4337 for (feed = first_feed; feed; feed = feed->next) {
4338 if (feed->pid == pid) {
4339 int uptime = time(0) - feed->pid_start;
4342 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4345 /* Turn off any more restarts */
4346 feed->child_argv = 0;
4351 need_to_start_children = 1;
4354 int main(int argc, char **argv)
4356 const char *config_filename;
4358 struct sigaction sigact;
4362 show_banner(program_name, program_birth_year);
4364 config_filename = "/etc/ffserver.conf";
4366 my_program_name = argv[0];
4367 my_program_dir = getcwd(0, 0);
4368 ffserver_daemon = 1;
4371 c = getopt(argc, argv, "ndLh?f:");
4387 ffserver_daemon = 0;
4390 config_filename = optarg;
4397 putenv("http_proxy"); /* Kill the http_proxy */
4399 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4401 /* address on which the server will handle HTTP connections */
4402 my_http_addr.sin_family = AF_INET;
4403 my_http_addr.sin_port = htons (8080);
4404 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4406 /* address on which the server will handle RTSP connections */
4407 my_rtsp_addr.sin_family = AF_INET;
4408 my_rtsp_addr.sin_port = htons (5454);
4409 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4411 nb_max_connections = 5;
4412 max_bandwidth = 1000;
4413 first_stream = NULL;
4414 logfilename[0] = '\0';
4416 memset(&sigact, 0, sizeof(sigact));
4417 sigact.sa_handler = handle_child_exit;
4418 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4419 sigaction(SIGCHLD, &sigact, 0);
4421 if (parse_ffconfig(config_filename) < 0) {
4422 fprintf(stderr, "Incorrect config file - exiting.\n");
4426 build_file_streams();
4428 build_feed_streams();
4430 compute_bandwidth();
4432 /* put the process in background and detach it from its TTY */
4433 if (ffserver_daemon) {
4440 } else if (pid > 0) {
4448 open("/dev/null", O_RDWR);
4449 if (strcmp(logfilename, "-") != 0) {
4459 signal(SIGPIPE, SIG_IGN);
4461 /* open log file if needed */
4462 if (logfilename[0] != '\0') {
4463 if (!strcmp(logfilename, "-"))
4466 logfile = fopen(logfilename, "w");
4469 if (http_server() < 0) {
4470 fprintf(stderr, "Could not start server\n");