2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
25 #include <sys/ioctl.h>
29 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
31 #include <sys/types.h>
32 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <arpa/inet.h>
38 #ifdef CONFIG_HAVE_DLFCN
44 /* maximum number of simultaneous HTTP connections */
45 #define HTTP_MAX_CONNECTIONS 2000
48 HTTPSTATE_WAIT_REQUEST,
49 HTTPSTATE_SEND_HEADER,
50 HTTPSTATE_SEND_DATA_HEADER,
51 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
52 HTTPSTATE_SEND_DATA_TRAILER,
53 HTTPSTATE_RECEIVE_DATA,
54 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
57 RTSPSTATE_WAIT_REQUEST,
59 RTSPSTATE_SEND_PACKET,
62 const char *http_state[] = {
78 #define IOBUFFER_INIT_SIZE 8192
80 /* coef for exponential mean for bitrate estimation in statistics */
83 /* timeouts are in ms */
84 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
85 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
87 #define SYNC_TIMEOUT (10 * 1000)
90 int64_t count1, count2;
94 /* context associated with one connection */
95 typedef struct HTTPContext {
97 int fd; /* socket file descriptor */
98 struct sockaddr_in from_addr; /* origin */
99 struct pollfd *poll_entry; /* used when polling */
101 uint8_t *buffer_ptr, *buffer_end;
104 struct HTTPContext *next;
105 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
109 /* input format handling */
110 AVFormatContext *fmt_in;
111 long start_time; /* In milliseconds - this wraps fairly often */
112 int64_t first_pts; /* initial pts value */
113 int64_t cur_pts; /* current pts value from the stream in us */
114 int64_t cur_frame_duration; /* duration of the current frame in us */
115 int cur_frame_bytes; /* output frame size, needed to compute
116 the time at which we send each
118 int pts_stream_index; /* stream we choose as clock reference */
119 int64_t cur_clock; /* current clock reference value in us */
120 /* output format handling */
121 struct FFStream *stream;
122 /* -1 is invalid stream */
123 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
124 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
126 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
127 int last_packet_sent; /* true if last data packet was sent */
129 DataRateData datarate;
136 int is_packetized; /* if true, the stream is packetized */
137 int packet_stream_index; /* current stream for output in state machine */
139 /* RTSP state specific */
140 uint8_t *pb_buffer; /* XXX: use that in all the code */
142 int seq; /* RTSP sequence number */
144 /* RTP state specific */
145 enum RTSPProtocol rtp_protocol;
146 char session_id[32]; /* session id */
147 AVFormatContext *rtp_ctx[MAX_STREAMS];
149 /* RTP/UDP specific */
150 URLContext *rtp_handles[MAX_STREAMS];
152 /* RTP/TCP specific */
153 struct HTTPContext *rtsp_c;
154 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
157 static AVFrame dummy_frame;
159 /* each generated stream is described here */
163 STREAM_TYPE_REDIRECT,
166 enum IPAddressAction {
171 typedef struct IPAddressACL {
172 struct IPAddressACL *next;
173 enum IPAddressAction action;
174 /* These are in host order */
175 struct in_addr first;
179 /* description of each stream of the ffserver.conf file */
180 typedef struct FFStream {
181 enum StreamType stream_type;
182 char filename[1024]; /* stream filename */
183 struct FFStream *feed; /* feed we are using (can be null if
185 AVFormatParameters *ap_in; /* input parameters */
186 AVInputFormat *ifmt; /* if non NULL, force input format */
190 int prebuffer; /* Number of millseconds early to start */
191 long max_time; /* Number of milliseconds to run */
193 AVStream *streams[MAX_STREAMS];
194 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
195 char feed_filename[1024]; /* file name of the feed storage, or
196 input file name for a stream */
201 pid_t pid; /* Of ffmpeg process */
202 time_t pid_start; /* Of ffmpeg process */
204 struct FFStream *next;
205 int bandwidth; /* bandwidth, in kbits/s */
208 /* multicast specific */
210 struct in_addr multicast_ip;
211 int multicast_port; /* first port used for multicast */
213 int loop; /* if true, send the stream in loops (only meaningful if file) */
216 int feed_opened; /* true if someone is writing to the feed */
217 int is_feed; /* true if it is a feed */
218 int readonly; /* True if writing is prohibited to the file */
220 int64_t bytes_served;
221 int64_t feed_max_size; /* maximum storage size */
222 int64_t feed_write_index; /* current write position in feed (it wraps round) */
223 int64_t feed_size; /* current size of feed */
224 struct FFStream *next_feed;
227 typedef struct FeedData {
228 long long data_count;
229 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
232 struct sockaddr_in my_http_addr;
233 struct sockaddr_in my_rtsp_addr;
235 char logfilename[1024];
236 HTTPContext *first_http_ctx;
237 FFStream *first_feed; /* contains only feeds */
238 FFStream *first_stream; /* contains all streams, including feeds */
240 static void new_connection(int server_fd, int is_rtsp);
241 static void close_connection(HTTPContext *c);
244 static int handle_connection(HTTPContext *c);
245 static int http_parse_request(HTTPContext *c);
246 static int http_send_data(HTTPContext *c);
247 static void compute_stats(HTTPContext *c);
248 static int open_input_stream(HTTPContext *c, const char *info);
249 static int http_start_receive_data(HTTPContext *c);
250 static int http_receive_data(HTTPContext *c);
253 static int rtsp_parse_request(HTTPContext *c);
254 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
255 static void rtsp_cmd_options(HTTPContext *c, const char *url);
256 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
257 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
258 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
259 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
262 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
263 struct in_addr my_ip);
266 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
267 FFStream *stream, const char *session_id,
268 enum RTSPProtocol rtp_protocol);
269 static int rtp_new_av_stream(HTTPContext *c,
270 int stream_index, struct sockaddr_in *dest_addr,
271 HTTPContext *rtsp_c);
273 static const char *my_program_name;
274 static const char *my_program_dir;
276 static int ffserver_debug;
277 static int ffserver_daemon;
278 static int no_launch;
279 static int need_to_start_children;
281 int nb_max_connections;
285 int current_bandwidth;
287 static long cur_time; // Making this global saves on passing it around everywhere
289 static long gettime_ms(void)
293 gettimeofday(&tv,NULL);
294 return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
297 static FILE *logfile = NULL;
299 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
305 vfprintf(logfile, fmt, ap);
311 static char *ctime1(char *buf2)
319 p = buf2 + strlen(p) - 1;
325 static void log_connection(HTTPContext *c)
332 http_log("%s - - [%s] \"%s %s %s\" %d %lld\n",
333 inet_ntoa(c->from_addr.sin_addr),
334 ctime1(buf2), c->method, c->url,
335 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
338 static void update_datarate(DataRateData *drd, int64_t count)
340 if (!drd->time1 && !drd->count1) {
341 drd->time1 = drd->time2 = cur_time;
342 drd->count1 = drd->count2 = count;
344 if (cur_time - drd->time2 > 5000) {
345 drd->time1 = drd->time2;
346 drd->count1 = drd->count2;
347 drd->time2 = cur_time;
353 /* In bytes per second */
354 static int compute_datarate(DataRateData *drd, int64_t count)
356 if (cur_time == drd->time1)
359 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
362 static int get_longterm_datarate(DataRateData *drd, int64_t count)
364 /* You get the first 3 seconds flat out */
365 if (cur_time - drd->time1 < 3000)
367 return compute_datarate(drd, count);
371 static void start_children(FFStream *feed)
376 for (; feed; feed = feed->next) {
377 if (feed->child_argv && !feed->pid) {
378 feed->pid_start = time(0);
383 fprintf(stderr, "Unable to create children\n");
392 for (i = 3; i < 256; i++) {
396 if (!ffserver_debug) {
397 i = open("/dev/null", O_RDWR);
406 pstrcpy(pathname, sizeof(pathname), my_program_name);
408 slash = strrchr(pathname, '/');
414 strcpy(slash, "ffmpeg");
416 /* This is needed to make relative pathnames work */
417 chdir(my_program_dir);
419 signal(SIGPIPE, SIG_DFL);
421 execvp(pathname, feed->child_argv);
429 /* open a listening socket */
430 static int socket_open_listen(struct sockaddr_in *my_addr)
434 server_fd = socket(AF_INET,SOCK_STREAM,0);
441 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
443 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
445 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
451 if (listen (server_fd, 5) < 0) {
456 fcntl(server_fd, F_SETFL, O_NONBLOCK);
461 /* start all multicast streams */
462 static void start_multicast(void)
467 struct sockaddr_in dest_addr;
468 int default_port, stream_index;
471 for(stream = first_stream; stream != NULL; stream = stream->next) {
472 if (stream->is_multicast) {
473 /* open the RTP connection */
474 snprintf(session_id, sizeof(session_id),
475 "%08x%08x", (int)random(), (int)random());
477 /* choose a port if none given */
478 if (stream->multicast_port == 0) {
479 stream->multicast_port = default_port;
483 dest_addr.sin_family = AF_INET;
484 dest_addr.sin_addr = stream->multicast_ip;
485 dest_addr.sin_port = htons(stream->multicast_port);
487 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
488 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
492 if (open_input_stream(rtp_c, "") < 0) {
493 fprintf(stderr, "Could not open input stream for stream '%s'\n",
498 /* open each RTP stream */
499 for(stream_index = 0; stream_index < stream->nb_streams;
501 dest_addr.sin_port = htons(stream->multicast_port +
503 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
504 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
505 stream->filename, stream_index);
510 /* change state to send data */
511 rtp_c->state = HTTPSTATE_SEND_DATA;
516 /* main loop of the http server */
517 static int http_server(void)
519 int server_fd, ret, rtsp_server_fd, delay, delay1;
520 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
521 HTTPContext *c, *c_next;
523 server_fd = socket_open_listen(&my_http_addr);
527 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
528 if (rtsp_server_fd < 0)
531 http_log("ffserver started.\n");
533 start_children(first_feed);
535 first_http_ctx = NULL;
541 poll_entry = poll_table;
542 poll_entry->fd = server_fd;
543 poll_entry->events = POLLIN;
546 poll_entry->fd = rtsp_server_fd;
547 poll_entry->events = POLLIN;
550 /* wait for events on each HTTP handle */
557 case HTTPSTATE_SEND_HEADER:
558 case RTSPSTATE_SEND_REPLY:
559 case RTSPSTATE_SEND_PACKET:
560 c->poll_entry = poll_entry;
562 poll_entry->events = POLLOUT;
565 case HTTPSTATE_SEND_DATA_HEADER:
566 case HTTPSTATE_SEND_DATA:
567 case HTTPSTATE_SEND_DATA_TRAILER:
568 if (!c->is_packetized) {
569 /* for TCP, we output as much as we can (may need to put a limit) */
570 c->poll_entry = poll_entry;
572 poll_entry->events = POLLOUT;
575 /* when ffserver is doing the timing, we work by
576 looking at which packet need to be sent every
578 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
583 case HTTPSTATE_WAIT_REQUEST:
584 case HTTPSTATE_RECEIVE_DATA:
585 case HTTPSTATE_WAIT_FEED:
586 case RTSPSTATE_WAIT_REQUEST:
587 /* need to catch errors */
588 c->poll_entry = poll_entry;
590 poll_entry->events = POLLIN;/* Maybe this will work */
594 c->poll_entry = NULL;
600 /* wait for an event on one connection. We poll at least every
601 second to handle timeouts */
603 ret = poll(poll_table, poll_entry - poll_table, delay);
604 if (ret < 0 && errno != EAGAIN && errno != EINTR)
608 cur_time = gettime_ms();
610 if (need_to_start_children) {
611 need_to_start_children = 0;
612 start_children(first_feed);
615 /* now handle the events */
616 for(c = first_http_ctx; c != NULL; c = c_next) {
618 if (handle_connection(c) < 0) {
619 /* close and free the connection */
625 poll_entry = poll_table;
626 /* new HTTP connection request ? */
627 if (poll_entry->revents & POLLIN) {
628 new_connection(server_fd, 0);
631 /* new RTSP connection request ? */
632 if (poll_entry->revents & POLLIN) {
633 new_connection(rtsp_server_fd, 1);
638 /* start waiting for a new HTTP/RTSP request */
639 static void start_wait_request(HTTPContext *c, int is_rtsp)
641 c->buffer_ptr = c->buffer;
642 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
645 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
646 c->state = RTSPSTATE_WAIT_REQUEST;
648 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
649 c->state = HTTPSTATE_WAIT_REQUEST;
653 static void new_connection(int server_fd, int is_rtsp)
655 struct sockaddr_in from_addr;
657 HTTPContext *c = NULL;
659 len = sizeof(from_addr);
660 fd = accept(server_fd, (struct sockaddr *)&from_addr,
664 fcntl(fd, F_SETFL, O_NONBLOCK);
666 /* XXX: should output a warning page when coming
667 close to the connection limit */
668 if (nb_connections >= nb_max_connections)
671 /* add a new connection */
672 c = av_mallocz(sizeof(HTTPContext));
677 c->poll_entry = NULL;
678 c->from_addr = from_addr;
679 c->buffer_size = IOBUFFER_INIT_SIZE;
680 c->buffer = av_malloc(c->buffer_size);
684 c->next = first_http_ctx;
688 start_wait_request(c, is_rtsp);
700 static void close_connection(HTTPContext *c)
702 HTTPContext **cp, *c1;
704 AVFormatContext *ctx;
708 /* remove connection from list */
709 cp = &first_http_ctx;
710 while ((*cp) != NULL) {
719 /* remove references, if any (XXX: do it faster) */
720 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
725 /* remove connection associated resources */
729 /* close each frame parser */
730 for(i=0;i<c->fmt_in->nb_streams;i++) {
731 st = c->fmt_in->streams[i];
732 if (st->codec->codec) {
733 avcodec_close(st->codec);
736 av_close_input_file(c->fmt_in);
739 /* free RTP output streams if any */
742 nb_streams = c->stream->nb_streams;
744 for(i=0;i<nb_streams;i++) {
747 av_write_trailer(ctx);
750 h = c->rtp_handles[i];
758 if (!c->last_packet_sent) {
761 if (url_open_dyn_buf(&ctx->pb) >= 0) {
762 av_write_trailer(ctx);
763 url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
768 for(i=0; i<ctx->nb_streams; i++)
769 av_free(ctx->streams[i]) ;
771 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
772 current_bandwidth -= c->stream->bandwidth;
773 av_freep(&c->pb_buffer);
774 av_freep(&c->packet_buffer);
780 static int handle_connection(HTTPContext *c)
785 case HTTPSTATE_WAIT_REQUEST:
786 case RTSPSTATE_WAIT_REQUEST:
788 if ((c->timeout - cur_time) < 0)
790 if (c->poll_entry->revents & (POLLERR | POLLHUP))
793 /* no need to read if no events */
794 if (!(c->poll_entry->revents & POLLIN))
798 len = read(c->fd, c->buffer_ptr, 1);
800 if (errno != EAGAIN && errno != 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 = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
835 if (errno != EAGAIN && errno != EINTR) {
836 /* error : close connection */
837 av_freep(&c->pb_buffer);
841 c->buffer_ptr += len;
843 c->stream->bytes_served += len;
844 c->data_count += len;
845 if (c->buffer_ptr >= c->buffer_end) {
846 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)
875 case HTTPSTATE_RECEIVE_DATA:
876 /* no need to read if no events */
877 if (c->poll_entry->revents & (POLLERR | POLLHUP))
879 if (!(c->poll_entry->revents & POLLIN))
881 if (http_receive_data(c) < 0)
884 case HTTPSTATE_WAIT_FEED:
885 /* no need to read if no events */
886 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
889 /* nothing to do, we'll be waken up by incoming feed packets */
892 case RTSPSTATE_SEND_REPLY:
893 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
894 av_freep(&c->pb_buffer);
897 /* no need to write if no events */
898 if (!(c->poll_entry->revents & POLLOUT))
900 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
902 if (errno != EAGAIN && errno != EINTR) {
903 /* error : close connection */
904 av_freep(&c->pb_buffer);
908 c->buffer_ptr += len;
909 c->data_count += len;
910 if (c->buffer_ptr >= c->buffer_end) {
911 /* all the buffer was sent : wait for a new request */
912 av_freep(&c->pb_buffer);
913 start_wait_request(c, 1);
917 case RTSPSTATE_SEND_PACKET:
918 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
919 av_freep(&c->packet_buffer);
922 /* no need to write if no events */
923 if (!(c->poll_entry->revents & POLLOUT))
925 len = write(c->fd, c->packet_buffer_ptr,
926 c->packet_buffer_end - c->packet_buffer_ptr);
928 if (errno != EAGAIN && errno != EINTR) {
929 /* error : close connection */
930 av_freep(&c->packet_buffer);
934 c->packet_buffer_ptr += len;
935 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
936 /* all the buffer was sent : wait for a new request */
937 av_freep(&c->packet_buffer);
938 c->state = RTSPSTATE_WAIT_REQUEST;
942 case HTTPSTATE_READY:
951 static int extract_rates(char *rates, int ratelen, const char *request)
955 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
956 if (strncasecmp(p, "Pragma:", 7) == 0) {
957 const char *q = p + 7;
959 while (*q && *q != '\n' && isspace(*q))
962 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
968 memset(rates, 0xff, ratelen);
971 while (*q && *q != '\n' && *q != ':')
974 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
978 if (stream_no < ratelen && stream_no >= 0) {
979 rates[stream_no] = rate_no;
982 while (*q && *q != '\n' && !isspace(*q))
999 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1002 int best_bitrate = 100000000;
1005 for (i = 0; i < feed->nb_streams; i++) {
1006 AVCodecContext *feed_codec = feed->streams[i]->codec;
1008 if (feed_codec->codec_id != codec->codec_id ||
1009 feed_codec->sample_rate != codec->sample_rate ||
1010 feed_codec->width != codec->width ||
1011 feed_codec->height != codec->height) {
1015 /* Potential stream */
1017 /* We want the fastest stream less than bit_rate, or the slowest
1018 * faster than bit_rate
1021 if (feed_codec->bit_rate <= bit_rate) {
1022 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1023 best_bitrate = feed_codec->bit_rate;
1027 if (feed_codec->bit_rate < best_bitrate) {
1028 best_bitrate = feed_codec->bit_rate;
1037 static int modify_current_stream(HTTPContext *c, char *rates)
1040 FFStream *req = c->stream;
1041 int action_required = 0;
1043 /* Not much we can do for a feed */
1047 for (i = 0; i < req->nb_streams; i++) {
1048 AVCodecContext *codec = req->streams[i]->codec;
1052 c->switch_feed_streams[i] = req->feed_streams[i];
1055 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1058 /* Wants off or slow */
1059 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1061 /* This doesn't work well when it turns off the only stream! */
1062 c->switch_feed_streams[i] = -2;
1063 c->feed_streams[i] = -2;
1068 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1069 action_required = 1;
1072 return action_required;
1076 static void do_switch_stream(HTTPContext *c, int i)
1078 if (c->switch_feed_streams[i] >= 0) {
1080 c->feed_streams[i] = c->switch_feed_streams[i];
1083 /* Now update the stream */
1085 c->switch_feed_streams[i] = -1;
1088 /* XXX: factorize in utils.c ? */
1089 /* XXX: take care with different space meaning */
1090 static void skip_spaces(const char **pp)
1094 while (*p == ' ' || *p == '\t')
1099 static void get_word(char *buf, int buf_size, const char **pp)
1107 while (!isspace(*p) && *p != '\0') {
1108 if ((q - buf) < buf_size - 1)
1117 static int validate_acl(FFStream *stream, HTTPContext *c)
1119 enum IPAddressAction last_action = IP_DENY;
1121 struct in_addr *src = &c->from_addr.sin_addr;
1122 unsigned long src_addr = ntohl(src->s_addr);
1124 for (acl = stream->acl; acl; acl = acl->next) {
1125 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
1126 return (acl->action == IP_ALLOW) ? 1 : 0;
1128 last_action = acl->action;
1131 /* Nothing matched, so return not the last action */
1132 return (last_action == IP_DENY) ? 1 : 0;
1135 /* compute the real filename of a file by matching it without its
1136 extensions to all the stream filenames */
1137 static void compute_real_filename(char *filename, int max_size)
1144 /* compute filename by matching without the file extensions */
1145 pstrcpy(file1, sizeof(file1), filename);
1146 p = strrchr(file1, '.');
1149 for(stream = first_stream; stream != NULL; stream = stream->next) {
1150 pstrcpy(file2, sizeof(file2), stream->filename);
1151 p = strrchr(file2, '.');
1154 if (!strcmp(file1, file2)) {
1155 pstrcpy(filename, max_size, stream->filename);
1170 /* parse http request and prepare header */
1171 static int http_parse_request(HTTPContext *c)
1174 enum RedirType redir_type;
1176 char info[1024], *filename;
1180 const char *mime_type;
1184 char *useragent = 0;
1187 get_word(cmd, sizeof(cmd), (const char **)&p);
1188 pstrcpy(c->method, sizeof(c->method), cmd);
1190 if (!strcmp(cmd, "GET"))
1192 else if (!strcmp(cmd, "POST"))
1197 get_word(url, sizeof(url), (const char **)&p);
1198 pstrcpy(c->url, sizeof(c->url), url);
1200 get_word(protocol, sizeof(protocol), (const char **)&p);
1201 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1204 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
1206 /* find the filename and the optional info string in the request */
1213 pstrcpy(info, sizeof(info), p);
1219 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1220 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1222 if (*useragent && *useragent != '\n' && isspace(*useragent))
1226 p = strchr(p, '\n');
1233 redir_type = REDIR_NONE;
1234 if (match_ext(filename, "asx")) {
1235 redir_type = REDIR_ASX;
1236 filename[strlen(filename)-1] = 'f';
1237 } else if (match_ext(filename, "asf") &&
1238 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1239 /* if this isn't WMP or lookalike, return the redirector file */
1240 redir_type = REDIR_ASF;
1241 } else if (match_ext(filename, "rpm,ram")) {
1242 redir_type = REDIR_RAM;
1243 strcpy(filename + strlen(filename)-2, "m");
1244 } else if (match_ext(filename, "rtsp")) {
1245 redir_type = REDIR_RTSP;
1246 compute_real_filename(filename, sizeof(url) - 1);
1247 } else if (match_ext(filename, "sdp")) {
1248 redir_type = REDIR_SDP;
1249 compute_real_filename(filename, sizeof(url) - 1);
1252 stream = first_stream;
1253 while (stream != NULL) {
1254 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1256 stream = stream->next;
1258 if (stream == NULL) {
1259 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1264 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1265 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1267 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1268 c->http_error = 301;
1270 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1271 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1272 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1273 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1274 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1275 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1276 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1278 /* prepare output buffer */
1279 c->buffer_ptr = c->buffer;
1281 c->state = HTTPSTATE_SEND_HEADER;
1285 /* If this is WMP, get the rate information */
1286 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1287 if (modify_current_stream(c, ratebuf)) {
1288 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1289 if (c->switch_feed_streams[i] >= 0)
1290 do_switch_stream(c, i);
1295 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
1296 current_bandwidth += stream->bandwidth;
1299 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1300 c->http_error = 200;
1302 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1303 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1304 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1305 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1306 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "The server is too busy to serve your request at this time.<p>\r\n");
1307 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
1308 current_bandwidth, max_bandwidth);
1309 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1311 /* prepare output buffer */
1312 c->buffer_ptr = c->buffer;
1314 c->state = HTTPSTATE_SEND_HEADER;
1318 if (redir_type != REDIR_NONE) {
1321 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1322 if (strncasecmp(p, "Host:", 5) == 0) {
1326 p = strchr(p, '\n');
1337 while (isspace(*hostinfo))
1340 eoh = strchr(hostinfo, '\n');
1342 if (eoh[-1] == '\r')
1345 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1346 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1347 hostbuf[eoh - hostinfo] = 0;
1349 c->http_error = 200;
1351 switch(redir_type) {
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1357 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1359 hostbuf, filename, info);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1363 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1364 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1368 hostbuf, filename, info);
1371 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1372 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1373 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1374 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1376 hostbuf, filename, info);
1380 char hostname[256], *p;
1381 /* extract only hostname */
1382 pstrcpy(hostname, sizeof(hostname), hostbuf);
1383 p = strrchr(hostname, ':');
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1387 /* XXX: incorrect mime type ? */
1388 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1389 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1390 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1391 hostname, ntohs(my_rtsp_addr.sin_port),
1398 int sdp_data_size, len;
1399 struct sockaddr_in my_addr;
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1402 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1403 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1405 len = sizeof(my_addr);
1406 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1408 /* XXX: should use a dynamic buffer */
1409 sdp_data_size = prepare_sdp_description(stream,
1412 if (sdp_data_size > 0) {
1413 memcpy(q, sdp_data, sdp_data_size);
1425 /* prepare output buffer */
1426 c->buffer_ptr = c->buffer;
1428 c->state = HTTPSTATE_SEND_HEADER;
1434 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1438 stream->conns_served++;
1440 /* XXX: add there authenticate and IP match */
1443 /* if post, it means a feed is being sent */
1444 if (!stream->is_feed) {
1445 /* However it might be a status report from WMP! Lets log the data
1446 * as it might come in handy one day
1451 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1452 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1456 if (strncasecmp(p, "Pragma: client-id=", 18) == 0) {
1457 client_id = strtol(p + 18, 0, 10);
1459 p = strchr(p, '\n');
1467 char *eol = strchr(logline, '\n');
1472 if (eol[-1] == '\r')
1474 http_log("%.*s\n", (int) (eol - logline), logline);
1475 c->suppress_log = 1;
1480 http_log("\nGot request:\n%s\n", c->buffer);
1483 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1486 /* Now we have to find the client_id */
1487 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1488 if (wmpc->wmp_client_id == client_id)
1493 if (modify_current_stream(wmpc, ratebuf)) {
1494 wmpc->switch_pending = 1;
1499 snprintf(msg, sizeof(msg), "POST command not handled");
1503 if (http_start_receive_data(c) < 0) {
1504 snprintf(msg, sizeof(msg), "could not open feed");
1508 c->state = HTTPSTATE_RECEIVE_DATA;
1513 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0) {
1514 http_log("\nGot request:\n%s\n", c->buffer);
1518 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1521 /* open input stream */
1522 if (open_input_stream(c, info) < 0) {
1523 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1527 /* prepare http header */
1529 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1530 mime_type = c->stream->fmt->mime_type;
1532 mime_type = "application/x-octet_stream";
1533 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1535 /* for asf, we need extra headers */
1536 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1537 /* Need to allocate a client id */
1539 c->wmp_client_id = random() & 0x7fffffff;
1541 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1543 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1544 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1546 /* prepare output buffer */
1548 c->buffer_ptr = c->buffer;
1550 c->state = HTTPSTATE_SEND_HEADER;
1553 c->http_error = 404;
1555 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1556 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1557 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1558 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1559 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1560 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1561 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1563 /* prepare output buffer */
1564 c->buffer_ptr = c->buffer;
1566 c->state = HTTPSTATE_SEND_HEADER;
1570 c->http_error = 200; /* horrible : we use this value to avoid
1571 going to the send data state */
1572 c->state = HTTPSTATE_SEND_HEADER;
1576 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1578 static const char *suffix = " kMGTP";
1581 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++) {
1584 url_fprintf(pb, "%lld%c", count, *s);
1587 static void compute_stats(HTTPContext *c)
1594 ByteIOContext pb1, *pb = &pb1;
1596 if (url_open_dyn_buf(pb) < 0) {
1597 /* XXX: return an error ? */
1598 c->buffer_ptr = c->buffer;
1599 c->buffer_end = c->buffer;
1603 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1604 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1605 url_fprintf(pb, "Pragma: no-cache\r\n");
1606 url_fprintf(pb, "\r\n");
1608 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1609 if (c->stream->feed_filename) {
1610 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1612 url_fprintf(pb, "</HEAD>\n<BODY>");
1613 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1615 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1616 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1617 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1618 stream = first_stream;
1619 while (stream != NULL) {
1620 char sfilename[1024];
1623 if (stream->feed != stream) {
1624 pstrcpy(sfilename, sizeof(sfilename) - 10, stream->filename);
1625 eosf = sfilename + strlen(sfilename);
1626 if (eosf - sfilename >= 4) {
1627 if (strcmp(eosf - 4, ".asf") == 0) {
1628 strcpy(eosf - 4, ".asx");
1629 } else if (strcmp(eosf - 3, ".rm") == 0) {
1630 strcpy(eosf - 3, ".ram");
1631 } else if (stream->fmt == &rtp_mux) {
1632 /* generate a sample RTSP director if
1633 unicast. Generate an SDP redirector if
1635 eosf = strrchr(sfilename, '.');
1637 eosf = sfilename + strlen(sfilename);
1638 if (stream->is_multicast)
1639 strcpy(eosf, ".sdp");
1641 strcpy(eosf, ".rtsp");
1645 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1646 sfilename, stream->filename);
1647 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1648 stream->conns_served);
1649 fmt_bytecount(pb, stream->bytes_served);
1650 switch(stream->stream_type) {
1651 case STREAM_TYPE_LIVE:
1653 int audio_bit_rate = 0;
1654 int video_bit_rate = 0;
1655 const char *audio_codec_name = "";
1656 const char *video_codec_name = "";
1657 const char *audio_codec_name_extra = "";
1658 const char *video_codec_name_extra = "";
1660 for(i=0;i<stream->nb_streams;i++) {
1661 AVStream *st = stream->streams[i];
1662 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1663 switch(st->codec->codec_type) {
1664 case CODEC_TYPE_AUDIO:
1665 audio_bit_rate += st->codec->bit_rate;
1667 if (*audio_codec_name)
1668 audio_codec_name_extra = "...";
1669 audio_codec_name = codec->name;
1672 case CODEC_TYPE_VIDEO:
1673 video_bit_rate += st->codec->bit_rate;
1675 if (*video_codec_name)
1676 video_codec_name_extra = "...";
1677 video_codec_name = codec->name;
1680 case CODEC_TYPE_DATA:
1681 video_bit_rate += st->codec->bit_rate;
1687 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1690 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1691 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1693 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1695 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1697 url_fprintf(pb, "\n");
1701 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1705 stream = stream->next;
1707 url_fprintf(pb, "</TABLE>\n");
1709 stream = first_stream;
1710 while (stream != NULL) {
1711 if (stream->feed == stream) {
1712 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1714 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1716 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1721 /* This is somewhat linux specific I guess */
1722 snprintf(ps_cmd, sizeof(ps_cmd),
1723 "ps -o \"%%cpu,cputime\" --no-headers %d",
1726 pid_stat = popen(ps_cmd, "r");
1731 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1733 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1741 url_fprintf(pb, "<p>");
1743 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1745 for (i = 0; i < stream->nb_streams; i++) {
1746 AVStream *st = stream->streams[i];
1747 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1748 const char *type = "unknown";
1749 char parameters[64];
1753 switch(st->codec->codec_type) {
1754 case CODEC_TYPE_AUDIO:
1757 case CODEC_TYPE_VIDEO:
1759 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1760 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1765 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1766 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1768 url_fprintf(pb, "</table>\n");
1771 stream = stream->next;
1777 AVCodecContext *enc;
1781 stream = first_feed;
1782 while (stream != NULL) {
1783 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1784 url_fprintf(pb, "<TABLE>\n");
1785 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1786 for(i=0;i<stream->nb_streams;i++) {
1787 AVStream *st = stream->streams[i];
1788 FeedData *fdata = st->priv_data;
1791 avcodec_string(buf, sizeof(buf), enc);
1792 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1793 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1794 avg /= enc->frame_size;
1795 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
1796 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1798 url_fprintf(pb, "</TABLE>\n");
1799 stream = stream->next_feed;
1804 /* connection status */
1805 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1807 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1808 nb_connections, nb_max_connections);
1810 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1811 current_bandwidth, max_bandwidth);
1813 url_fprintf(pb, "<TABLE>\n");
1814 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1815 c1 = first_http_ctx;
1817 while (c1 != NULL) {
1823 for (j = 0; j < c1->stream->nb_streams; j++) {
1824 if (!c1->stream->feed) {
1825 bitrate += c1->stream->streams[j]->codec->bit_rate;
1827 if (c1->feed_streams[j] >= 0) {
1828 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1835 p = inet_ntoa(c1->from_addr.sin_addr);
1836 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1838 c1->stream ? c1->stream->filename : "",
1839 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1842 http_state[c1->state]);
1843 fmt_bytecount(pb, bitrate);
1844 url_fprintf(pb, "<td align=right>");
1845 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1846 url_fprintf(pb, "<td align=right>");
1847 fmt_bytecount(pb, c1->data_count);
1848 url_fprintf(pb, "\n");
1851 url_fprintf(pb, "</TABLE>\n");
1856 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1857 url_fprintf(pb, "</BODY>\n</HTML>\n");
1859 len = url_close_dyn_buf(pb, &c->pb_buffer);
1860 c->buffer_ptr = c->pb_buffer;
1861 c->buffer_end = c->pb_buffer + len;
1864 /* check if the parser needs to be opened for stream i */
1865 static void open_parser(AVFormatContext *s, int i)
1867 AVStream *st = s->streams[i];
1870 if (!st->codec->codec) {
1871 codec = avcodec_find_decoder(st->codec->codec_id);
1872 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1873 st->codec->parse_only = 1;
1874 if (avcodec_open(st->codec, codec) < 0) {
1875 st->codec->parse_only = 0;
1881 static int open_input_stream(HTTPContext *c, const char *info)
1884 char input_filename[1024];
1889 /* find file name */
1890 if (c->stream->feed) {
1891 strcpy(input_filename, c->stream->feed->feed_filename);
1892 buf_size = FFM_PACKET_SIZE;
1893 /* compute position (absolute time) */
1894 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1895 stream_pos = parse_date(buf, 0);
1896 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1897 int prebuffer = strtol(buf, 0, 10);
1898 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1900 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1903 strcpy(input_filename, c->stream->feed_filename);
1905 /* compute position (relative time) */
1906 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1907 stream_pos = parse_date(buf, 1);
1912 if (input_filename[0] == '\0')
1916 { time_t when = stream_pos / 1000000;
1917 http_log("Stream pos = %lld, time=%s", stream_pos, ctime(&when));
1922 if (av_open_input_file(&s, input_filename, c->stream->ifmt,
1923 buf_size, c->stream->ap_in) < 0) {
1924 http_log("%s not found", input_filename);
1929 /* open each parser */
1930 for(i=0;i<s->nb_streams;i++)
1933 /* choose stream as clock source (we favorize video stream if
1934 present) for packet sending */
1935 c->pts_stream_index = 0;
1936 for(i=0;i<c->stream->nb_streams;i++) {
1937 if (c->pts_stream_index == 0 &&
1938 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1939 c->pts_stream_index = i;
1944 if (c->fmt_in->iformat->read_seek) {
1945 c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
1948 /* set the start time (needed for maxtime and RTP packet timing) */
1949 c->start_time = cur_time;
1950 c->first_pts = AV_NOPTS_VALUE;
1954 /* return the server clock (in us) */
1955 static int64_t get_server_clock(HTTPContext *c)
1957 /* compute current pts value from system time */
1958 return (int64_t)(cur_time - c->start_time) * 1000LL;
1961 /* return the estimated time at which the current packet must be sent
1963 static int64_t get_packet_send_clock(HTTPContext *c)
1965 int bytes_left, bytes_sent, frame_bytes;
1967 frame_bytes = c->cur_frame_bytes;
1968 if (frame_bytes <= 0) {
1971 bytes_left = c->buffer_end - c->buffer_ptr;
1972 bytes_sent = frame_bytes - bytes_left;
1973 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1978 static int http_prepare_data(HTTPContext *c)
1981 AVFormatContext *ctx;
1983 av_freep(&c->pb_buffer);
1985 case HTTPSTATE_SEND_DATA_HEADER:
1986 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1987 pstrcpy(c->fmt_ctx.author, sizeof(c->fmt_ctx.author),
1989 pstrcpy(c->fmt_ctx.comment, sizeof(c->fmt_ctx.comment),
1990 c->stream->comment);
1991 pstrcpy(c->fmt_ctx.copyright, sizeof(c->fmt_ctx.copyright),
1992 c->stream->copyright);
1993 pstrcpy(c->fmt_ctx.title, sizeof(c->fmt_ctx.title),
1996 /* open output stream by using specified codecs */
1997 c->fmt_ctx.oformat = c->stream->fmt;
1998 c->fmt_ctx.nb_streams = c->stream->nb_streams;
1999 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2002 st = av_mallocz(sizeof(AVStream));
2003 st->codec= avcodec_alloc_context();
2004 c->fmt_ctx.streams[i] = st;
2005 /* if file or feed, then just take streams from FFStream struct */
2006 if (!c->stream->feed ||
2007 c->stream->feed == c->stream)
2008 src = c->stream->streams[i];
2010 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2014 st->codec->frame_number = 0; /* XXX: should be done in
2015 AVStream, not in codec */
2016 /* I'm pretty sure that this is not correct...
2017 * However, without it, we crash
2019 st->codec->coded_frame = &dummy_frame;
2021 c->got_key_frame = 0;
2023 /* prepare header and save header data in a stream */
2024 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2025 /* XXX: potential leak */
2028 c->fmt_ctx.pb.is_streamed = 1;
2030 av_set_parameters(&c->fmt_ctx, NULL);
2031 av_write_header(&c->fmt_ctx);
2033 len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
2034 c->buffer_ptr = c->pb_buffer;
2035 c->buffer_end = c->pb_buffer + len;
2037 c->state = HTTPSTATE_SEND_DATA;
2038 c->last_packet_sent = 0;
2040 case HTTPSTATE_SEND_DATA:
2041 /* find a new packet */
2045 /* read a packet from the input stream */
2046 if (c->stream->feed) {
2047 ffm_set_write_index(c->fmt_in,
2048 c->stream->feed->feed_write_index,
2049 c->stream->feed->feed_size);
2052 if (c->stream->max_time &&
2053 c->stream->max_time + c->start_time - cur_time < 0) {
2054 /* We have timed out */
2055 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2058 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2059 if (c->stream->feed && c->stream->feed->feed_opened) {
2060 /* if coming from feed, it means we reached the end of the
2061 ffm file, so must wait for more data */
2062 c->state = HTTPSTATE_WAIT_FEED;
2063 return 1; /* state changed */
2065 if (c->stream->loop) {
2066 av_close_input_file(c->fmt_in);
2068 if (open_input_stream(c, "") < 0)
2073 /* must send trailer now because eof or error */
2074 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2078 /* update first pts if needed */
2079 if (c->first_pts == AV_NOPTS_VALUE) {
2080 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2081 c->start_time = cur_time;
2083 /* send it to the appropriate stream */
2084 if (c->stream->feed) {
2085 /* if coming from a feed, select the right stream */
2086 if (c->switch_pending) {
2087 c->switch_pending = 0;
2088 for(i=0;i<c->stream->nb_streams;i++) {
2089 if (c->switch_feed_streams[i] == pkt.stream_index) {
2090 if (pkt.flags & PKT_FLAG_KEY) {
2091 do_switch_stream(c, i);
2094 if (c->switch_feed_streams[i] >= 0) {
2095 c->switch_pending = 1;
2099 for(i=0;i<c->stream->nb_streams;i++) {
2100 if (c->feed_streams[i] == pkt.stream_index) {
2101 pkt.stream_index = i;
2102 if (pkt.flags & PKT_FLAG_KEY) {
2103 c->got_key_frame |= 1 << i;
2105 /* See if we have all the key frames, then
2106 * we start to send. This logic is not quite
2107 * right, but it works for the case of a
2108 * single video stream with one or more
2109 * audio streams (for which every frame is
2110 * typically a key frame).
2112 if (!c->stream->send_on_key ||
2113 ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
2119 AVCodecContext *codec;
2122 /* specific handling for RTP: we use several
2123 output stream (one for each RTP
2124 connection). XXX: need more abstract handling */
2125 if (c->is_packetized) {
2127 /* compute send time and duration */
2128 st = c->fmt_in->streams[pkt.stream_index];
2129 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2130 if (st->start_time != AV_NOPTS_VALUE)
2131 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2132 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2134 printf("index=%d pts=%0.3f duration=%0.6f\n",
2136 (double)c->cur_pts /
2138 (double)c->cur_frame_duration /
2141 /* find RTP context */
2142 c->packet_stream_index = pkt.stream_index;
2143 ctx = c->rtp_ctx[c->packet_stream_index];
2145 av_free_packet(&pkt);
2148 codec = ctx->streams[0]->codec;
2149 /* only one stream per RTP connection */
2150 pkt.stream_index = 0;
2154 codec = ctx->streams[pkt.stream_index]->codec;
2157 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2158 if (c->is_packetized) {
2159 int max_packet_size;
2160 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2161 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2163 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2164 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2166 ret = url_open_dyn_buf(&ctx->pb);
2169 /* XXX: potential leak */
2172 if (av_write_frame(ctx, &pkt)) {
2173 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2176 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2177 c->cur_frame_bytes = len;
2178 c->buffer_ptr = c->pb_buffer;
2179 c->buffer_end = c->pb_buffer + len;
2181 codec->frame_number++;
2185 av_free_packet(&pkt);
2191 case HTTPSTATE_SEND_DATA_TRAILER:
2192 /* last packet test ? */
2193 if (c->last_packet_sent || c->is_packetized)
2196 /* prepare header */
2197 if (url_open_dyn_buf(&ctx->pb) < 0) {
2198 /* XXX: potential leak */
2201 av_write_trailer(ctx);
2202 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2203 c->buffer_ptr = c->pb_buffer;
2204 c->buffer_end = c->pb_buffer + len;
2206 c->last_packet_sent = 1;
2213 #define SHORT_TERM_BANDWIDTH 8000000
2215 /* should convert the format at the same time */
2216 /* send data starting at c->buffer_ptr to the output connection
2217 (either UDP or TCP connection) */
2218 static int http_send_data(HTTPContext *c)
2223 if (c->buffer_ptr >= c->buffer_end) {
2224 ret = http_prepare_data(c);
2227 else if (ret != 0) {
2228 /* state change requested */
2232 if (c->is_packetized) {
2233 /* RTP data output */
2234 len = c->buffer_end - c->buffer_ptr;
2236 /* fail safe - should never happen */
2238 c->buffer_ptr = c->buffer_end;
2241 len = (c->buffer_ptr[0] << 24) |
2242 (c->buffer_ptr[1] << 16) |
2243 (c->buffer_ptr[2] << 8) |
2245 if (len > (c->buffer_end - c->buffer_ptr))
2247 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2248 /* nothing to send yet: we can wait */
2252 c->data_count += len;
2253 update_datarate(&c->datarate, c->data_count);
2255 c->stream->bytes_served += len;
2257 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2258 /* RTP packets are sent inside the RTSP TCP connection */
2259 ByteIOContext pb1, *pb = &pb1;
2260 int interleaved_index, size;
2262 HTTPContext *rtsp_c;
2265 /* if no RTSP connection left, error */
2268 /* if already sending something, then wait. */
2269 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
2272 if (url_open_dyn_buf(pb) < 0)
2274 interleaved_index = c->packet_stream_index * 2;
2275 /* RTCP packets are sent at odd indexes */
2276 if (c->buffer_ptr[1] == 200)
2277 interleaved_index++;
2278 /* write RTSP TCP header */
2280 header[1] = interleaved_index;
2281 header[2] = len >> 8;
2283 put_buffer(pb, header, 4);
2284 /* write RTP packet data */
2286 put_buffer(pb, c->buffer_ptr, len);
2287 size = url_close_dyn_buf(pb, &c->packet_buffer);
2288 /* prepare asynchronous TCP sending */
2289 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2290 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2291 c->buffer_ptr += len;
2293 /* send everything we can NOW */
2294 len = write(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2295 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr);
2297 rtsp_c->packet_buffer_ptr += len;
2299 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2300 /* if we could not send all the data, we will
2301 send it later, so a new state is needed to
2302 "lock" the RTSP TCP connection */
2303 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2306 /* all data has been sent */
2307 av_freep(&c->packet_buffer);
2310 /* send RTP packet directly in UDP */
2312 url_write(c->rtp_handles[c->packet_stream_index],
2313 c->buffer_ptr, len);
2314 c->buffer_ptr += len;
2315 /* here we continue as we can send several packets per 10 ms slot */
2318 /* TCP data output */
2319 len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2321 if (errno != EAGAIN && errno != EINTR) {
2322 /* error : close connection */
2328 c->buffer_ptr += len;
2330 c->data_count += len;
2331 update_datarate(&c->datarate, c->data_count);
2333 c->stream->bytes_served += len;
2341 static int http_start_receive_data(HTTPContext *c)
2345 if (c->stream->feed_opened)
2348 /* Don't permit writing to this one */
2349 if (c->stream->readonly)
2353 fd = open(c->stream->feed_filename, O_RDWR);
2358 c->stream->feed_write_index = ffm_read_write_index(fd);
2359 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2360 lseek(fd, 0, SEEK_SET);
2362 /* init buffer input */
2363 c->buffer_ptr = c->buffer;
2364 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2365 c->stream->feed_opened = 1;
2369 static int http_receive_data(HTTPContext *c)
2373 if (c->buffer_end > c->buffer_ptr) {
2376 len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
2378 if (errno != EAGAIN && errno != EINTR) {
2379 /* error : close connection */
2382 } else if (len == 0) {
2383 /* end of connection : close it */
2386 c->buffer_ptr += len;
2387 c->data_count += len;
2388 update_datarate(&c->datarate, c->data_count);
2392 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2393 if (c->buffer[0] != 'f' ||
2394 c->buffer[1] != 'm') {
2395 http_log("Feed stream has become desynchronized -- disconnecting\n");
2400 if (c->buffer_ptr >= c->buffer_end) {
2401 FFStream *feed = c->stream;
2402 /* a packet has been received : write it in the store, except
2404 if (c->data_count > FFM_PACKET_SIZE) {
2406 // printf("writing pos=0x%Lx size=0x%Lx\n", feed->feed_write_index, feed->feed_size);
2407 /* XXX: use llseek or url_seek */
2408 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2409 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2411 feed->feed_write_index += FFM_PACKET_SIZE;
2412 /* update file size */
2413 if (feed->feed_write_index > c->stream->feed_size)
2414 feed->feed_size = feed->feed_write_index;
2416 /* handle wrap around if max file size reached */
2417 if (feed->feed_write_index >= c->stream->feed_max_size)
2418 feed->feed_write_index = FFM_PACKET_SIZE;
2421 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2423 /* wake up any waiting connections */
2424 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2425 if (c1->state == HTTPSTATE_WAIT_FEED &&
2426 c1->stream->feed == c->stream->feed) {
2427 c1->state = HTTPSTATE_SEND_DATA;
2431 /* We have a header in our hands that contains useful data */
2433 AVInputFormat *fmt_in;
2434 ByteIOContext *pb = &s.pb;
2437 memset(&s, 0, sizeof(s));
2439 url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2440 pb->buf_end = c->buffer_end; /* ?? */
2441 pb->is_streamed = 1;
2443 /* use feed output format name to find corresponding input format */
2444 fmt_in = av_find_input_format(feed->fmt->name);
2448 if (fmt_in->priv_data_size > 0) {
2449 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2455 if (fmt_in->read_header(&s, 0) < 0) {
2456 av_freep(&s.priv_data);
2460 /* Now we have the actual streams */
2461 if (s.nb_streams != feed->nb_streams) {
2462 av_freep(&s.priv_data);
2465 for (i = 0; i < s.nb_streams; i++) {
2466 memcpy(feed->streams[i]->codec,
2467 s.streams[i]->codec, sizeof(AVCodecContext));
2469 av_freep(&s.priv_data);
2471 c->buffer_ptr = c->buffer;
2476 c->stream->feed_opened = 0;
2481 /********************************************************************/
2484 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2491 switch(error_number) {
2492 #define DEF(n, c, s) case c: str = s; break;
2493 #include "rtspcodes.h"
2496 str = "Unknown Error";
2500 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2501 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2503 /* output GMT time */
2507 p = buf2 + strlen(p) - 1;
2510 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2513 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2515 rtsp_reply_header(c, error_number);
2516 url_fprintf(c->pb, "\r\n");
2519 static int rtsp_parse_request(HTTPContext *c)
2521 const char *p, *p1, *p2;
2528 RTSPHeader header1, *header = &header1;
2530 c->buffer_ptr[0] = '\0';
2533 get_word(cmd, sizeof(cmd), &p);
2534 get_word(url, sizeof(url), &p);
2535 get_word(protocol, sizeof(protocol), &p);
2537 pstrcpy(c->method, sizeof(c->method), cmd);
2538 pstrcpy(c->url, sizeof(c->url), url);
2539 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
2542 if (url_open_dyn_buf(c->pb) < 0) {
2543 /* XXX: cannot do more */
2544 c->pb = NULL; /* safety */
2548 /* check version name */
2549 if (strcmp(protocol, "RTSP/1.0") != 0) {
2550 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2554 /* parse each header line */
2555 memset(header, 0, sizeof(RTSPHeader));
2556 /* skip to next line */
2557 while (*p != '\n' && *p != '\0')
2561 while (*p != '\0') {
2562 p1 = strchr(p, '\n');
2566 if (p2 > p && p2[-1] == '\r')
2568 /* skip empty line */
2572 if (len > sizeof(line) - 1)
2573 len = sizeof(line) - 1;
2574 memcpy(line, p, len);
2576 rtsp_parse_line(header, line);
2580 /* handle sequence number */
2581 c->seq = header->seq;
2583 if (!strcmp(cmd, "DESCRIBE")) {
2584 rtsp_cmd_describe(c, url);
2585 } else if (!strcmp(cmd, "OPTIONS")) {
2586 rtsp_cmd_options(c, url);
2587 } else if (!strcmp(cmd, "SETUP")) {
2588 rtsp_cmd_setup(c, url, header);
2589 } else if (!strcmp(cmd, "PLAY")) {
2590 rtsp_cmd_play(c, url, header);
2591 } else if (!strcmp(cmd, "PAUSE")) {
2592 rtsp_cmd_pause(c, url, header);
2593 } else if (!strcmp(cmd, "TEARDOWN")) {
2594 rtsp_cmd_teardown(c, url, header);
2596 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2599 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2600 c->pb = NULL; /* safety */
2602 /* XXX: cannot do more */
2605 c->buffer_ptr = c->pb_buffer;
2606 c->buffer_end = c->pb_buffer + len;
2607 c->state = RTSPSTATE_SEND_REPLY;
2611 /* XXX: move that to rtsp.c, but would need to replace FFStream by
2613 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2614 struct in_addr my_ip)
2616 ByteIOContext pb1, *pb = &pb1;
2617 int i, payload_type, port, private_payload_type, j;
2618 const char *ipstr, *title, *mediatype;
2621 if (url_open_dyn_buf(pb) < 0)
2624 /* general media info */
2626 url_fprintf(pb, "v=0\n");
2627 ipstr = inet_ntoa(my_ip);
2628 url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
2629 title = stream->title;
2630 if (title[0] == '\0')
2632 url_fprintf(pb, "s=%s\n", title);
2633 if (stream->comment[0] != '\0')
2634 url_fprintf(pb, "i=%s\n", stream->comment);
2635 if (stream->is_multicast) {
2636 url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
2638 /* for each stream, we output the necessary info */
2639 private_payload_type = RTP_PT_PRIVATE;
2640 for(i = 0; i < stream->nb_streams; i++) {
2641 st = stream->streams[i];
2642 if (st->codec->codec_id == CODEC_ID_MPEG2TS) {
2643 mediatype = "video";
2645 switch(st->codec->codec_type) {
2646 case CODEC_TYPE_AUDIO:
2647 mediatype = "audio";
2649 case CODEC_TYPE_VIDEO:
2650 mediatype = "video";
2653 mediatype = "application";
2657 /* NOTE: the port indication is not correct in case of
2658 unicast. It is not an issue because RTSP gives it */
2659 payload_type = rtp_get_payload_type(st->codec);
2660 if (payload_type < 0)
2661 payload_type = private_payload_type++;
2662 if (stream->is_multicast) {
2663 port = stream->multicast_port + 2 * i;
2667 url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
2668 mediatype, port, payload_type);
2669 if (payload_type >= RTP_PT_PRIVATE) {
2670 /* for private payload type, we need to give more info */
2671 switch(st->codec->codec_id) {
2672 case CODEC_ID_MPEG4:
2675 url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
2676 payload_type, 90000);
2677 /* we must also add the mpeg4 header */
2678 data = st->codec->extradata;
2680 url_fprintf(pb, "a=fmtp:%d config=", payload_type);
2681 for(j=0;j<st->codec->extradata_size;j++) {
2682 url_fprintf(pb, "%02x", data[j]);
2684 url_fprintf(pb, "\n");
2689 /* XXX: add other codecs ? */
2693 url_fprintf(pb, "a=control:streamid=%d\n", i);
2695 return url_close_dyn_buf(pb, pbuffer);
2697 url_close_dyn_buf(pb, pbuffer);
2702 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2704 // rtsp_reply_header(c, RTSP_STATUS_OK);
2705 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2706 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2707 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2708 url_fprintf(c->pb, "\r\n");
2711 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2717 int content_length, len;
2718 struct sockaddr_in my_addr;
2720 /* find which url is asked */
2721 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2726 for(stream = first_stream; stream != NULL; stream = stream->next) {
2727 if (!stream->is_feed && stream->fmt == &rtp_mux &&
2728 !strcmp(path, stream->filename)) {
2732 /* no stream found */
2733 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2737 /* prepare the media description in sdp format */
2739 /* get the host IP */
2740 len = sizeof(my_addr);
2741 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2742 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2743 if (content_length < 0) {
2744 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2747 rtsp_reply_header(c, RTSP_STATUS_OK);
2748 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2749 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2750 url_fprintf(c->pb, "\r\n");
2751 put_buffer(c->pb, content, content_length);
2754 static HTTPContext *find_rtp_session(const char *session_id)
2758 if (session_id[0] == '\0')
2761 for(c = first_http_ctx; c != NULL; c = c->next) {
2762 if (!strcmp(c->session_id, session_id))
2768 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2770 RTSPTransportField *th;
2773 for(i=0;i<h->nb_transports;i++) {
2774 th = &h->transports[i];
2775 if (th->protocol == protocol)
2781 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2785 int stream_index, port;
2790 RTSPTransportField *th;
2791 struct sockaddr_in dest_addr;
2792 RTSPActionServerSetup setup;
2794 /* find which url is asked */
2795 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2800 /* now check each stream */
2801 for(stream = first_stream; stream != NULL; stream = stream->next) {
2802 if (!stream->is_feed && stream->fmt == &rtp_mux) {
2803 /* accept aggregate filenames only if single stream */
2804 if (!strcmp(path, stream->filename)) {
2805 if (stream->nb_streams != 1) {
2806 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2813 for(stream_index = 0; stream_index < stream->nb_streams;
2815 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2816 stream->filename, stream_index);
2817 if (!strcmp(path, buf))
2822 /* no stream found */
2823 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2827 /* generate session id if needed */
2828 if (h->session_id[0] == '\0') {
2829 snprintf(h->session_id, sizeof(h->session_id),
2830 "%08x%08x", (int)random(), (int)random());
2833 /* find rtp session, and create it if none found */
2834 rtp_c = find_rtp_session(h->session_id);
2836 /* always prefer UDP */
2837 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2839 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2841 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2846 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2849 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2853 /* open input stream */
2854 if (open_input_stream(rtp_c, "") < 0) {
2855 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2860 /* test if stream is OK (test needed because several SETUP needs
2861 to be done for a given file) */
2862 if (rtp_c->stream != stream) {
2863 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2867 /* test if stream is already set up */
2868 if (rtp_c->rtp_ctx[stream_index]) {
2869 rtsp_reply_error(c, RTSP_STATUS_STATE);
2873 /* check transport */
2874 th = find_transport(h, rtp_c->rtp_protocol);
2875 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2876 th->client_port_min <= 0)) {
2877 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2881 /* setup default options */
2882 setup.transport_option[0] = '\0';
2883 dest_addr = rtp_c->from_addr;
2884 dest_addr.sin_port = htons(th->client_port_min);
2886 /* add transport option if needed */
2887 if (ff_rtsp_callback) {
2888 setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
2889 if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
2890 (char *)&setup, sizeof(setup),
2891 stream->rtsp_option) < 0) {
2892 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2895 dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
2899 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2900 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2904 /* now everything is OK, so we can send the connection parameters */
2905 rtsp_reply_header(c, RTSP_STATUS_OK);
2907 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2909 switch(rtp_c->rtp_protocol) {
2910 case RTSP_PROTOCOL_RTP_UDP:
2911 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2912 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2913 "client_port=%d-%d;server_port=%d-%d",
2914 th->client_port_min, th->client_port_min + 1,
2917 case RTSP_PROTOCOL_RTP_TCP:
2918 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2919 stream_index * 2, stream_index * 2 + 1);
2924 if (setup.transport_option[0] != '\0') {
2925 url_fprintf(c->pb, ";%s", setup.transport_option);
2927 url_fprintf(c->pb, "\r\n");
2930 url_fprintf(c->pb, "\r\n");
2934 /* find an rtp connection by using the session ID. Check consistency
2936 static HTTPContext *find_rtp_session_with_url(const char *url,
2937 const char *session_id)
2945 rtp_c = find_rtp_session(session_id);
2949 /* find which url is asked */
2950 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2954 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2955 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2956 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2957 rtp_c->stream->filename, s);
2958 if(!strncmp(path, buf, sizeof(buf))) {
2959 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2966 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2970 rtp_c = find_rtp_session_with_url(url, h->session_id);
2972 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2976 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2977 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2978 rtp_c->state != HTTPSTATE_READY) {
2979 rtsp_reply_error(c, RTSP_STATUS_STATE);
2984 /* XXX: seek in stream */
2985 if (h->range_start != AV_NOPTS_VALUE) {
2986 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2987 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2991 rtp_c->state = HTTPSTATE_SEND_DATA;
2993 /* now everything is OK, so we can send the connection parameters */
2994 rtsp_reply_header(c, RTSP_STATUS_OK);
2996 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2997 url_fprintf(c->pb, "\r\n");
3000 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3004 rtp_c = find_rtp_session_with_url(url, h->session_id);
3006 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3010 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3011 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3012 rtsp_reply_error(c, RTSP_STATUS_STATE);
3016 rtp_c->state = HTTPSTATE_READY;
3017 rtp_c->first_pts = AV_NOPTS_VALUE;
3018 /* now everything is OK, so we can send the connection parameters */
3019 rtsp_reply_header(c, RTSP_STATUS_OK);
3021 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3022 url_fprintf(c->pb, "\r\n");
3025 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3029 rtp_c = find_rtp_session_with_url(url, h->session_id);
3031 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3035 /* abort the session */
3036 close_connection(rtp_c);
3038 if (ff_rtsp_callback) {
3039 ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
3041 rtp_c->stream->rtsp_option);
3044 /* now everything is OK, so we can send the connection parameters */
3045 rtsp_reply_header(c, RTSP_STATUS_OK);
3047 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3048 url_fprintf(c->pb, "\r\n");
3052 /********************************************************************/
3055 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3056 FFStream *stream, const char *session_id,
3057 enum RTSPProtocol rtp_protocol)
3059 HTTPContext *c = NULL;
3060 const char *proto_str;
3062 /* XXX: should output a warning page when coming
3063 close to the connection limit */
3064 if (nb_connections >= nb_max_connections)
3067 /* add a new connection */
3068 c = av_mallocz(sizeof(HTTPContext));
3073 c->poll_entry = NULL;
3074 c->from_addr = *from_addr;
3075 c->buffer_size = IOBUFFER_INIT_SIZE;
3076 c->buffer = av_malloc(c->buffer_size);
3081 pstrcpy(c->session_id, sizeof(c->session_id), session_id);
3082 c->state = HTTPSTATE_READY;
3083 c->is_packetized = 1;
3084 c->rtp_protocol = rtp_protocol;
3086 /* protocol is shown in statistics */
3087 switch(c->rtp_protocol) {
3088 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3089 proto_str = "MCAST";
3091 case RTSP_PROTOCOL_RTP_UDP:
3094 case RTSP_PROTOCOL_RTP_TCP:
3101 pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
3102 pstrcat(c->protocol, sizeof(c->protocol), proto_str);
3104 current_bandwidth += stream->bandwidth;
3106 c->next = first_http_ctx;
3118 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3119 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3121 static int rtp_new_av_stream(HTTPContext *c,
3122 int stream_index, struct sockaddr_in *dest_addr,
3123 HTTPContext *rtsp_c)
3125 AVFormatContext *ctx;
3131 int max_packet_size;
3133 /* now we can open the relevant output stream */
3134 ctx = av_alloc_format_context();
3137 ctx->oformat = &rtp_mux;
3139 st = av_mallocz(sizeof(AVStream));
3142 st->codec= avcodec_alloc_context();
3143 ctx->nb_streams = 1;
3144 ctx->streams[0] = st;
3146 if (!c->stream->feed ||
3147 c->stream->feed == c->stream) {
3148 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3151 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3155 /* build destination RTP address */
3156 ipaddr = inet_ntoa(dest_addr->sin_addr);
3158 switch(c->rtp_protocol) {
3159 case RTSP_PROTOCOL_RTP_UDP:
3160 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3163 /* XXX: also pass as parameter to function ? */
3164 if (c->stream->is_multicast) {
3166 ttl = c->stream->multicast_ttl;
3169 snprintf(ctx->filename, sizeof(ctx->filename),
3170 "rtp://%s:%d?multicast=1&ttl=%d",
3171 ipaddr, ntohs(dest_addr->sin_port), ttl);
3173 snprintf(ctx->filename, sizeof(ctx->filename),
3174 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3177 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3179 c->rtp_handles[stream_index] = h;
3180 max_packet_size = url_get_max_packet_size(h);
3182 case RTSP_PROTOCOL_RTP_TCP:
3185 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3191 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3192 ipaddr, ntohs(dest_addr->sin_port),
3194 c->stream->filename, stream_index, c->protocol);
3196 /* normally, no packets should be output here, but the packet size may be checked */
3197 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3198 /* XXX: close stream */
3201 av_set_parameters(ctx, NULL);
3202 if (av_write_header(ctx) < 0) {
3209 url_close_dyn_buf(&ctx->pb, &dummy_buf);
3212 c->rtp_ctx[stream_index] = ctx;
3216 /********************************************************************/
3217 /* ffserver initialization */
3219 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3223 fst = av_mallocz(sizeof(AVStream));
3226 fst->codec= avcodec_alloc_context();
3227 fst->priv_data = av_mallocz(sizeof(FeedData));
3228 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3229 fst->codec->coded_frame = &dummy_frame;
3230 fst->index = stream->nb_streams;
3231 av_set_pts_info(fst, 33, 1, 90000);
3232 stream->streams[stream->nb_streams++] = fst;
3236 /* return the stream number in the feed */
3237 static int add_av_stream(FFStream *feed, AVStream *st)
3240 AVCodecContext *av, *av1;
3244 for(i=0;i<feed->nb_streams;i++) {
3245 st = feed->streams[i];
3247 if (av1->codec_id == av->codec_id &&
3248 av1->codec_type == av->codec_type &&
3249 av1->bit_rate == av->bit_rate) {
3251 switch(av->codec_type) {
3252 case CODEC_TYPE_AUDIO:
3253 if (av1->channels == av->channels &&
3254 av1->sample_rate == av->sample_rate)
3257 case CODEC_TYPE_VIDEO:
3258 if (av1->width == av->width &&
3259 av1->height == av->height &&
3260 av1->time_base.den == av->time_base.den &&
3261 av1->time_base.num == av->time_base.num &&
3262 av1->gop_size == av->gop_size)
3271 fst = add_av_stream1(feed, av);
3274 return feed->nb_streams - 1;
3279 static void remove_stream(FFStream *stream)
3283 while (*ps != NULL) {
3284 if (*ps == stream) {
3292 /* specific mpeg4 handling : we extract the raw parameters */
3293 static void extract_mpeg4_header(AVFormatContext *infile)
3295 int mpeg4_count, i, size;
3301 for(i=0;i<infile->nb_streams;i++) {
3302 st = infile->streams[i];
3303 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3304 st->codec->extradata_size == 0) {
3311 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3312 while (mpeg4_count > 0) {
3313 if (av_read_packet(infile, &pkt) < 0)
3315 st = infile->streams[pkt.stream_index];
3316 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3317 st->codec->extradata_size == 0) {
3318 av_freep(&st->codec->extradata);
3319 /* fill extradata with the header */
3320 /* XXX: we make hard suppositions here ! */
3322 while (p < pkt.data + pkt.size - 4) {
3323 /* stop when vop header is found */
3324 if (p[0] == 0x00 && p[1] == 0x00 &&
3325 p[2] == 0x01 && p[3] == 0xb6) {
3326 size = p - pkt.data;
3327 // av_hex_dump(pkt.data, size);
3328 st->codec->extradata = av_malloc(size);
3329 st->codec->extradata_size = size;
3330 memcpy(st->codec->extradata, pkt.data, size);
3337 av_free_packet(&pkt);
3341 /* compute the needed AVStream for each file */
3342 static void build_file_streams(void)
3344 FFStream *stream, *stream_next;
3345 AVFormatContext *infile;
3348 /* gather all streams */
3349 for(stream = first_stream; stream != NULL; stream = stream_next) {
3350 stream_next = stream->next;
3351 if (stream->stream_type == STREAM_TYPE_LIVE &&
3353 /* the stream comes from a file */
3354 /* try to open the file */
3356 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3357 if (stream->fmt == &rtp_mux) {
3358 /* specific case : if transport stream output to RTP,
3359 we use a raw transport stream reader */
3360 stream->ap_in->mpeg2ts_raw = 1;
3361 stream->ap_in->mpeg2ts_compute_pcr = 1;
3364 if (av_open_input_file(&infile, stream->feed_filename,
3365 stream->ifmt, 0, stream->ap_in) < 0) {
3366 http_log("%s not found", stream->feed_filename);
3367 /* remove stream (no need to spend more time on it) */
3369 remove_stream(stream);
3371 /* find all the AVStreams inside and reference them in
3373 if (av_find_stream_info(infile) < 0) {
3374 http_log("Could not find codec parameters from '%s'",
3375 stream->feed_filename);
3376 av_close_input_file(infile);
3379 extract_mpeg4_header(infile);
3381 for(i=0;i<infile->nb_streams;i++) {
3382 add_av_stream1(stream, infile->streams[i]->codec);
3384 av_close_input_file(infile);
3390 /* compute the needed AVStream for each feed */
3391 static void build_feed_streams(void)
3393 FFStream *stream, *feed;
3396 /* gather all streams */
3397 for(stream = first_stream; stream != NULL; stream = stream->next) {
3398 feed = stream->feed;
3400 if (!stream->is_feed) {
3401 /* we handle a stream coming from a feed */
3402 for(i=0;i<stream->nb_streams;i++) {
3403 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3409 /* gather all streams */
3410 for(stream = first_stream; stream != NULL; stream = stream->next) {
3411 feed = stream->feed;
3413 if (stream->is_feed) {
3414 for(i=0;i<stream->nb_streams;i++) {
3415 stream->feed_streams[i] = i;
3421 /* create feed files if needed */
3422 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3425 if (url_exist(feed->feed_filename)) {
3426 /* See if it matches */
3430 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3431 /* Now see if it matches */
3432 if (s->nb_streams == feed->nb_streams) {
3434 for(i=0;i<s->nb_streams;i++) {
3436 sf = feed->streams[i];
3439 if (sf->index != ss->index ||
3441 printf("Index & Id do not match for stream %d (%s)\n",
3442 i, feed->feed_filename);
3445 AVCodecContext *ccf, *ccs;
3449 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3451 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3452 printf("Codecs do not match for stream %d\n", i);
3454 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3455 printf("Codec bitrates do not match for stream %d\n", i);
3457 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3458 if (CHECK_CODEC(time_base.den) ||
3459 CHECK_CODEC(time_base.num) ||
3460 CHECK_CODEC(width) ||
3461 CHECK_CODEC(height)) {
3462 printf("Codec width, height and framerate do not match for stream %d\n", i);
3465 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3466 if (CHECK_CODEC(sample_rate) ||
3467 CHECK_CODEC(channels) ||
3468 CHECK_CODEC(frame_size)) {
3469 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3473 printf("Unknown codec type\n");
3482 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3483 feed->feed_filename, s->nb_streams, feed->nb_streams);
3486 av_close_input_file(s);
3488 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3489 feed->feed_filename);
3492 if (feed->readonly) {
3493 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3494 feed->feed_filename);
3497 unlink(feed->feed_filename);
3500 if (!url_exist(feed->feed_filename)) {
3501 AVFormatContext s1, *s = &s1;
3503 if (feed->readonly) {
3504 printf("Unable to create feed file '%s' as it is marked readonly\n",
3505 feed->feed_filename);
3509 /* only write the header of the ffm file */
3510 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3511 fprintf(stderr, "Could not open output feed file '%s'\n",
3512 feed->feed_filename);
3515 s->oformat = feed->fmt;
3516 s->nb_streams = feed->nb_streams;
3517 for(i=0;i<s->nb_streams;i++) {
3519 st = feed->streams[i];
3522 av_set_parameters(s, NULL);
3524 /* XXX: need better api */
3525 av_freep(&s->priv_data);
3528 /* get feed size and write index */
3529 fd = open(feed->feed_filename, O_RDONLY);
3531 fprintf(stderr, "Could not open output feed file '%s'\n",
3532 feed->feed_filename);
3536 feed->feed_write_index = ffm_read_write_index(fd);
3537 feed->feed_size = lseek(fd, 0, SEEK_END);
3538 /* ensure that we do not wrap before the end of file */
3539 if (feed->feed_max_size < feed->feed_size)
3540 feed->feed_max_size = feed->feed_size;
3546 /* compute the bandwidth used by each stream */
3547 static void compute_bandwidth(void)
3552 for(stream = first_stream; stream != NULL; stream = stream->next) {
3554 for(i=0;i<stream->nb_streams;i++) {
3555 AVStream *st = stream->streams[i];
3556 switch(st->codec->codec_type) {
3557 case CODEC_TYPE_AUDIO:
3558 case CODEC_TYPE_VIDEO:
3559 bandwidth += st->codec->bit_rate;
3565 stream->bandwidth = (bandwidth + 999) / 1000;
3569 static void get_arg(char *buf, int buf_size, const char **pp)
3576 while (isspace(*p)) p++;
3579 if (*p == '\"' || *p == '\'')
3591 if ((q - buf) < buf_size - 1)
3596 if (quote && *p == quote)
3601 /* add a codec and set the default parameters */
3602 static void add_codec(FFStream *stream, AVCodecContext *av)
3606 /* compute default parameters */
3607 switch(av->codec_type) {
3608 case CODEC_TYPE_AUDIO:
3609 if (av->bit_rate == 0)
3610 av->bit_rate = 64000;
3611 if (av->sample_rate == 0)
3612 av->sample_rate = 22050;
3613 if (av->channels == 0)
3616 case CODEC_TYPE_VIDEO:
3617 if (av->bit_rate == 0)
3618 av->bit_rate = 64000;
3619 if (av->time_base.num == 0){
3620 av->time_base.den = 5;
3621 av->time_base.num = 1;
3623 if (av->width == 0 || av->height == 0) {
3627 /* Bitrate tolerance is less for streaming */
3628 if (av->bit_rate_tolerance == 0)
3629 av->bit_rate_tolerance = av->bit_rate / 4;
3634 if (av->max_qdiff == 0)
3636 av->qcompress = 0.5;
3639 if (!av->nsse_weight)
3640 av->nsse_weight = 8;
3642 av->frame_skip_cmp = FF_CMP_DCTMAX;
3643 av->me_method = ME_EPZS;
3644 av->rc_buffer_aggressivity = 1.0;
3647 av->rc_eq = "tex^qComp";
3648 if (!av->i_quant_factor)
3649 av->i_quant_factor = -0.8;
3650 if (!av->b_quant_factor)
3651 av->b_quant_factor = 1.25;
3652 if (!av->b_quant_offset)
3653 av->b_quant_offset = 1.25;
3654 if (!av->rc_max_rate)
3655 av->rc_max_rate = av->bit_rate * 2;
3657 if (av->rc_max_rate && !av->rc_buffer_size) {
3658 av->rc_buffer_size = av->rc_max_rate;
3667 st = av_mallocz(sizeof(AVStream));
3670 st->codec = avcodec_alloc_context();
3671 stream->streams[stream->nb_streams++] = st;
3672 memcpy(st->codec, av, sizeof(AVCodecContext));
3675 static int opt_audio_codec(const char *arg)
3681 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3686 return CODEC_ID_NONE;
3692 static int opt_video_codec(const char *arg)
3698 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3703 return CODEC_ID_NONE;
3709 /* simplistic plugin support */
3711 #ifdef CONFIG_HAVE_DLOPEN
3712 void load_module(const char *filename)
3715 void (*init_func)(void);
3716 dll = dlopen(filename, RTLD_NOW);
3718 fprintf(stderr, "Could not load module '%s' - %s\n",
3719 filename, dlerror());
3723 init_func = dlsym(dll, "ffserver_module_init");
3726 "%s: init function 'ffserver_module_init()' not found\n",
3735 static int parse_ffconfig(const char *filename)
3742 int val, errors, line_num;
3743 FFStream **last_stream, *stream, *redirect;
3744 FFStream **last_feed, *feed;
3745 AVCodecContext audio_enc, video_enc;
3746 int audio_id, video_id;
3748 f = fopen(filename, "r");
3756 first_stream = NULL;
3757 last_stream = &first_stream;
3759 last_feed = &first_feed;
3763 audio_id = CODEC_ID_NONE;
3764 video_id = CODEC_ID_NONE;
3766 if (fgets(line, sizeof(line), f) == NULL)
3772 if (*p == '\0' || *p == '#')
3775 get_arg(cmd, sizeof(cmd), &p);
3777 if (!strcasecmp(cmd, "Port")) {
3778 get_arg(arg, sizeof(arg), &p);
3779 my_http_addr.sin_port = htons (atoi(arg));
3780 } else if (!strcasecmp(cmd, "BindAddress")) {
3781 get_arg(arg, sizeof(arg), &p);
3782 if (!inet_aton(arg, &my_http_addr.sin_addr)) {
3783 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3784 filename, line_num, arg);
3787 } else if (!strcasecmp(cmd, "NoDaemon")) {
3788 ffserver_daemon = 0;
3789 } else if (!strcasecmp(cmd, "RTSPPort")) {
3790 get_arg(arg, sizeof(arg), &p);
3791 my_rtsp_addr.sin_port = htons (atoi(arg));
3792 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3793 get_arg(arg, sizeof(arg), &p);
3794 if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
3795 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3796 filename, line_num, arg);
3799 } else if (!strcasecmp(cmd, "MaxClients")) {
3800 get_arg(arg, sizeof(arg), &p);
3802 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3803 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3804 filename, line_num, arg);
3807 nb_max_connections = val;
3809 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3810 get_arg(arg, sizeof(arg), &p);
3812 if (val < 10 || val > 100000) {
3813 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3814 filename, line_num, arg);
3817 max_bandwidth = val;
3819 } else if (!strcasecmp(cmd, "CustomLog")) {
3820 get_arg(logfilename, sizeof(logfilename), &p);
3821 } else if (!strcasecmp(cmd, "<Feed")) {
3822 /*********************************************/
3823 /* Feed related options */
3825 if (stream || feed) {
3826 fprintf(stderr, "%s:%d: Already in a tag\n",
3827 filename, line_num);
3829 feed = av_mallocz(sizeof(FFStream));
3830 /* add in stream list */
3831 *last_stream = feed;
3832 last_stream = &feed->next;
3833 /* add in feed list */
3835 last_feed = &feed->next_feed;
3837 get_arg(feed->filename, sizeof(feed->filename), &p);
3838 q = strrchr(feed->filename, '>');
3841 feed->fmt = guess_format("ffm", NULL, NULL);
3842 /* defaut feed file */
3843 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3844 "/tmp/%s.ffm", feed->filename);
3845 feed->feed_max_size = 5 * 1024 * 1024;
3847 feed->feed = feed; /* self feeding :-) */
3849 } else if (!strcasecmp(cmd, "Launch")) {
3853 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3855 feed->child_argv[0] = av_malloc(7);
3856 strcpy(feed->child_argv[0], "ffmpeg");
3858 for (i = 1; i < 62; i++) {
3861 get_arg(argbuf, sizeof(argbuf), &p);
3865 feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
3866 strcpy(feed->child_argv[i], argbuf);
3869 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3871 snprintf(feed->child_argv[i], 256, "http://127.0.0.1:%d/%s",
3872 ntohs(my_http_addr.sin_port), feed->filename);
3874 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3876 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3878 } else if (stream) {
3879 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3881 } else if (!strcasecmp(cmd, "File")) {
3883 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3884 } else if (stream) {
3885 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3887 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3892 get_arg(arg, sizeof(arg), &p);
3894 fsize = strtod(p1, (char **)&p1);
3895 switch(toupper(*p1)) {
3900 fsize *= 1024 * 1024;
3903 fsize *= 1024 * 1024 * 1024;
3906 feed->feed_max_size = (int64_t)fsize;
3908 } else if (!strcasecmp(cmd, "</Feed>")) {
3910 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3911 filename, line_num);
3915 /* Make sure that we start out clean */
3916 if (unlink(feed->feed_filename) < 0
3917 && errno != ENOENT) {
3918 fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
3919 filename, line_num, feed->feed_filename, strerror(errno));
3925 } else if (!strcasecmp(cmd, "<Stream")) {
3926 /*********************************************/
3927 /* Stream related options */
3929 if (stream || feed) {
3930 fprintf(stderr, "%s:%d: Already in a tag\n",
3931 filename, line_num);
3933 stream = av_mallocz(sizeof(FFStream));
3934 *last_stream = stream;
3935 last_stream = &stream->next;
3937 get_arg(stream->filename, sizeof(stream->filename), &p);
3938 q = strrchr(stream->filename, '>');
3941 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3942 memset(&audio_enc, 0, sizeof(AVCodecContext));
3943 memset(&video_enc, 0, sizeof(AVCodecContext));
3944 audio_id = CODEC_ID_NONE;
3945 video_id = CODEC_ID_NONE;
3947 audio_id = stream->fmt->audio_codec;
3948 video_id = stream->fmt->video_codec;
3951 } else if (!strcasecmp(cmd, "Feed")) {
3952 get_arg(arg, sizeof(arg), &p);
3957 while (sfeed != NULL) {
3958 if (!strcmp(sfeed->filename, arg))
3960 sfeed = sfeed->next_feed;
3963 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3964 filename, line_num, arg);
3966 stream->feed = sfeed;
3969 } else if (!strcasecmp(cmd, "Format")) {
3970 get_arg(arg, sizeof(arg), &p);
3971 if (!strcmp(arg, "status")) {
3972 stream->stream_type = STREAM_TYPE_STATUS;
3975 stream->stream_type = STREAM_TYPE_LIVE;
3976 /* jpeg cannot be used here, so use single frame jpeg */
3977 if (!strcmp(arg, "jpeg"))
3978 strcpy(arg, "mjpeg");
3979 stream->fmt = guess_stream_format(arg, NULL, NULL);
3981 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3982 filename, line_num, arg);
3987 audio_id = stream->fmt->audio_codec;
3988 video_id = stream->fmt->video_codec;
3990 } else if (!strcasecmp(cmd, "InputFormat")) {
3991 stream->ifmt = av_find_input_format(arg);
3992 if (!stream->ifmt) {
3993 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3994 filename, line_num, arg);
3996 } else if (!strcasecmp(cmd, "FaviconURL")) {
3997 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3998 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4000 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4001 filename, line_num);
4004 } else if (!strcasecmp(cmd, "Author")) {
4006 get_arg(stream->author, sizeof(stream->author), &p);
4008 } else if (!strcasecmp(cmd, "Comment")) {
4010 get_arg(stream->comment, sizeof(stream->comment), &p);
4012 } else if (!strcasecmp(cmd, "Copyright")) {
4014 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4016 } else if (!strcasecmp(cmd, "Title")) {
4018 get_arg(stream->title, sizeof(stream->title), &p);
4020 } else if (!strcasecmp(cmd, "Preroll")) {
4021 get_arg(arg, sizeof(arg), &p);
4023 stream->prebuffer = atof(arg) * 1000;
4025 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4027 stream->send_on_key = 1;
4029 } else if (!strcasecmp(cmd, "AudioCodec")) {
4030 get_arg(arg, sizeof(arg), &p);
4031 audio_id = opt_audio_codec(arg);
4032 if (audio_id == CODEC_ID_NONE) {
4033 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4034 filename, line_num, arg);
4037 } else if (!strcasecmp(cmd, "VideoCodec")) {
4038 get_arg(arg, sizeof(arg), &p);
4039 video_id = opt_video_codec(arg);
4040 if (video_id == CODEC_ID_NONE) {
4041 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4042 filename, line_num, arg);
4045 } else if (!strcasecmp(cmd, "MaxTime")) {
4046 get_arg(arg, sizeof(arg), &p);
4048 stream->max_time = atof(arg) * 1000;
4050 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4051 get_arg(arg, sizeof(arg), &p);
4053 audio_enc.bit_rate = atoi(arg) * 1000;
4055 } else if (!strcasecmp(cmd, "AudioChannels")) {
4056 get_arg(arg, sizeof(arg), &p);
4058 audio_enc.channels = atoi(arg);
4060 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4061 get_arg(arg, sizeof(arg), &p);
4063 audio_enc.sample_rate = atoi(arg);
4065 } else if (!strcasecmp(cmd, "AudioQuality")) {
4066 get_arg(arg, sizeof(arg), &p);
4068 // audio_enc.quality = atof(arg) * 1000;
4070 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4072 int minrate, maxrate;
4074 get_arg(arg, sizeof(arg), &p);
4076 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4077 video_enc.rc_min_rate = minrate * 1000;
4078 video_enc.rc_max_rate = maxrate * 1000;
4080 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4081 filename, line_num, arg);
4085 } else if (!strcasecmp(cmd, "Debug")) {
4087 get_arg(arg, sizeof(arg), &p);
4088 video_enc.debug = strtol(arg,0,0);
4090 } else if (!strcasecmp(cmd, "Strict")) {
4092 get_arg(arg, sizeof(arg), &p);
4093 video_enc.strict_std_compliance = atoi(arg);
4095 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4097 get_arg(arg, sizeof(arg), &p);
4098 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4100 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4102 get_arg(arg, sizeof(arg), &p);
4103 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4105 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4106 get_arg(arg, sizeof(arg), &p);
4108 video_enc.bit_rate = atoi(arg) * 1000;
4110 } else if (!strcasecmp(cmd, "VideoSize")) {
4111 get_arg(arg, sizeof(arg), &p);
4113 parse_image_size(&video_enc.width, &video_enc.height, arg);
4114 if ((video_enc.width % 16) != 0 ||
4115 (video_enc.height % 16) != 0) {
4116 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4117 filename, line_num);
4121 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4122 get_arg(arg, sizeof(arg), &p);
4124 video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
4125 video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
4127 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4128 get_arg(arg, sizeof(arg), &p);
4130 video_enc.gop_size = atoi(arg);
4132 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4134 video_enc.gop_size = 1;
4136 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4138 video_enc.mb_decision = FF_MB_DECISION_BITS;
4140 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4142 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4143 video_enc.flags |= CODEC_FLAG_4MV;
4145 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4146 get_arg(arg, sizeof(arg), &p);
4148 video_enc.max_qdiff = atoi(arg);
4149 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4150 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4151 filename, line_num);
4155 } else if (!strcasecmp(cmd, "VideoQMax")) {
4156 get_arg(arg, sizeof(arg), &p);
4158 video_enc.qmax = atoi(arg);
4159 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4160 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4161 filename, line_num);
4165 } else if (!strcasecmp(cmd, "VideoQMin")) {
4166 get_arg(arg, sizeof(arg), &p);
4168 video_enc.qmin = atoi(arg);
4169 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4170 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4171 filename, line_num);
4175 } else if (!strcasecmp(cmd, "LumaElim")) {
4176 get_arg(arg, sizeof(arg), &p);
4178 video_enc.luma_elim_threshold = atoi(arg);
4180 } else if (!strcasecmp(cmd, "ChromaElim")) {
4181 get_arg(arg, sizeof(arg), &p);
4183 video_enc.chroma_elim_threshold = atoi(arg);
4185 } else if (!strcasecmp(cmd, "LumiMask")) {
4186 get_arg(arg, sizeof(arg), &p);
4188 video_enc.lumi_masking = atof(arg);
4190 } else if (!strcasecmp(cmd, "DarkMask")) {
4191 get_arg(arg, sizeof(arg), &p);
4193 video_enc.dark_masking = atof(arg);
4195 } else if (!strcasecmp(cmd, "NoVideo")) {
4196 video_id = CODEC_ID_NONE;
4197 } else if (!strcasecmp(cmd, "NoAudio")) {
4198 audio_id = CODEC_ID_NONE;
4199 } else if (!strcasecmp(cmd, "ACL")) {
4203 get_arg(arg, sizeof(arg), &p);
4204 if (strcasecmp(arg, "allow") == 0) {
4205 acl.action = IP_ALLOW;
4206 } else if (strcasecmp(arg, "deny") == 0) {
4207 acl.action = IP_DENY;
4209 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4210 filename, line_num, arg);
4214 get_arg(arg, sizeof(arg), &p);
4216 he = gethostbyname(arg);
4218 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4219 filename, line_num, arg);
4222 /* Only take the first */
4223 acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4224 acl.last = acl.first;
4227 get_arg(arg, sizeof(arg), &p);
4230 he = gethostbyname(arg);
4232 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4233 filename, line_num, arg);
4236 /* Only take the first */
4237 acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4242 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4243 IPAddressACL **naclp = 0;
4249 naclp = &stream->acl;
4253 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4254 filename, line_num);
4260 naclp = &(*naclp)->next;
4265 } else if (!strcasecmp(cmd, "RTSPOption")) {
4266 get_arg(arg, sizeof(arg), &p);
4268 av_freep(&stream->rtsp_option);
4269 /* XXX: av_strdup ? */
4270 stream->rtsp_option = av_malloc(strlen(arg) + 1);
4271 if (stream->rtsp_option) {
4272 strcpy(stream->rtsp_option, arg);
4275 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4276 get_arg(arg, sizeof(arg), &p);
4278 if (!inet_aton(arg, &stream->multicast_ip)) {
4279 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
4280 filename, line_num, arg);
4283 stream->is_multicast = 1;
4284 stream->loop = 1; /* default is looping */
4286 } else if (!strcasecmp(cmd, "MulticastPort")) {
4287 get_arg(arg, sizeof(arg), &p);
4289 stream->multicast_port = atoi(arg);
4291 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4292 get_arg(arg, sizeof(arg), &p);
4294 stream->multicast_ttl = atoi(arg);
4296 } else if (!strcasecmp(cmd, "NoLoop")) {
4300 } else if (!strcasecmp(cmd, "</Stream>")) {
4302 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4303 filename, line_num);
4306 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4307 if (audio_id != CODEC_ID_NONE) {
4308 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4309 audio_enc.codec_id = audio_id;
4310 add_codec(stream, &audio_enc);
4312 if (video_id != CODEC_ID_NONE) {
4313 video_enc.codec_type = CODEC_TYPE_VIDEO;
4314 video_enc.codec_id = video_id;
4315 add_codec(stream, &video_enc);
4319 } else if (!strcasecmp(cmd, "<Redirect")) {
4320 /*********************************************/
4322 if (stream || feed || redirect) {
4323 fprintf(stderr, "%s:%d: Already in a tag\n",
4324 filename, line_num);
4327 redirect = av_mallocz(sizeof(FFStream));
4328 *last_stream = redirect;
4329 last_stream = &redirect->next;
4331 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4332 q = strrchr(redirect->filename, '>');
4335 redirect->stream_type = STREAM_TYPE_REDIRECT;
4337 } else if (!strcasecmp(cmd, "URL")) {
4339 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4341 } else if (!strcasecmp(cmd, "</Redirect>")) {
4343 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4344 filename, line_num);
4347 if (!redirect->feed_filename[0]) {
4348 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4349 filename, line_num);
4353 } else if (!strcasecmp(cmd, "LoadModule")) {
4354 get_arg(arg, sizeof(arg), &p);
4355 #ifdef CONFIG_HAVE_DLOPEN
4358 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4359 filename, line_num, arg);
4363 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4364 filename, line_num, cmd);
4378 static void write_packet(FFCodec *ffenc,
4379 uint8_t *buf, int size)
4382 AVCodecContext *enc = &ffenc->enc;
4384 mk_header(&hdr, enc, size);
4385 wptr = http_fifo.wptr;
4386 fifo_write(&http_fifo, (uint8_t *)&hdr, sizeof(hdr), &wptr);
4387 fifo_write(&http_fifo, buf, size, &wptr);
4388 /* atomic modification of wptr */
4389 http_fifo.wptr = wptr;
4390 ffenc->data_count += size;
4391 ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
4395 static void show_banner(void)
4397 printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
4400 static void show_help(void)
4403 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4404 "Hyper fast multi format Audio/Video streaming server\n"
4406 "-L : print the LICENSE\n"
4408 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4412 static void show_license(void)
4416 "This library is free software; you can redistribute it and/or\n"
4417 "modify it under the terms of the GNU Lesser General Public\n"
4418 "License as published by the Free Software Foundation; either\n"
4419 "version 2 of the License, or (at your option) any later version.\n"
4421 "This library is distributed in the hope that it will be useful,\n"
4422 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4423 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4424 "Lesser General Public License for more details.\n"
4426 "You should have received a copy of the GNU Lesser General Public\n"
4427 "License along with this library; if not, write to the Free Software\n"
4428 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4432 static void handle_child_exit(int sig)
4437 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4440 for (feed = first_feed; feed; feed = feed->next) {
4441 if (feed->pid == pid) {
4442 int uptime = time(0) - feed->pid_start;
4445 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4448 /* Turn off any more restarts */
4449 feed->child_argv = 0;
4455 need_to_start_children = 1;
4458 int main(int argc, char **argv)
4460 const char *config_filename;
4462 struct sigaction sigact;
4466 config_filename = "/etc/ffserver.conf";
4468 my_program_name = argv[0];
4469 my_program_dir = getcwd(0, 0);
4470 ffserver_daemon = 1;
4473 c = getopt(argc, argv, "ndLh?f:");
4489 ffserver_daemon = 0;
4492 config_filename = optarg;
4499 putenv("http_proxy"); /* Kill the http_proxy */
4501 srandom(gettime_ms() + (getpid() << 16));
4503 /* address on which the server will handle HTTP connections */
4504 my_http_addr.sin_family = AF_INET;
4505 my_http_addr.sin_port = htons (8080);
4506 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4508 /* address on which the server will handle RTSP connections */
4509 my_rtsp_addr.sin_family = AF_INET;
4510 my_rtsp_addr.sin_port = htons (5454);
4511 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4513 nb_max_connections = 5;
4514 max_bandwidth = 1000;
4515 first_stream = NULL;
4516 logfilename[0] = '\0';
4518 memset(&sigact, 0, sizeof(sigact));
4519 sigact.sa_handler = handle_child_exit;
4520 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4521 sigaction(SIGCHLD, &sigact, 0);
4523 if (parse_ffconfig(config_filename) < 0) {
4524 fprintf(stderr, "Incorrect config file - exiting.\n");
4528 build_file_streams();
4530 build_feed_streams();
4532 compute_bandwidth();
4534 /* put the process in background and detach it from its TTY */
4535 if (ffserver_daemon) {
4542 } else if (pid > 0) {
4550 open("/dev/null", O_RDWR);
4551 if (strcmp(logfilename, "-") != 0) {
4561 signal(SIGPIPE, SIG_IGN);
4563 /* open log file if needed */
4564 if (logfilename[0] != '\0') {
4565 if (!strcmp(logfilename, "-"))
4568 logfile = fopen(logfilename, "w");
4571 if (http_server() < 0) {
4572 fprintf(stderr, "Could not start server\n");