2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #define HAVE_AV_CONFIG_H
27 #include <sys/ioctl.h>
28 #ifdef HAVE_SYS_POLL_H
33 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
35 #include <sys/types.h>
36 #include <sys/socket.h>
38 #include <netinet/in.h>
39 #include <arpa/inet.h>
52 /* maximum number of simultaneous HTTP connections */
53 #define HTTP_MAX_CONNECTIONS 2000
56 HTTPSTATE_WAIT_REQUEST,
57 HTTPSTATE_SEND_HEADER,
58 HTTPSTATE_SEND_DATA_HEADER,
59 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
60 HTTPSTATE_SEND_DATA_TRAILER,
61 HTTPSTATE_RECEIVE_DATA,
62 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
65 RTSPSTATE_WAIT_REQUEST,
67 RTSPSTATE_SEND_PACKET,
70 const char *http_state[] = {
86 #define IOBUFFER_INIT_SIZE 8192
88 /* timeouts are in ms */
89 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
90 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
92 #define SYNC_TIMEOUT (10 * 1000)
95 int64_t count1, count2;
99 /* context associated with one connection */
100 typedef struct HTTPContext {
101 enum HTTPState state;
102 int fd; /* socket file descriptor */
103 struct sockaddr_in from_addr; /* origin */
104 struct pollfd *poll_entry; /* used when polling */
106 uint8_t *buffer_ptr, *buffer_end;
109 struct HTTPContext *next;
110 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
114 /* input format handling */
115 AVFormatContext *fmt_in;
116 int64_t start_time; /* In milliseconds - this wraps fairly often */
117 int64_t first_pts; /* initial pts value */
118 int64_t cur_pts; /* current pts value from the stream in us */
119 int64_t cur_frame_duration; /* duration of the current frame in us */
120 int cur_frame_bytes; /* output frame size, needed to compute
121 the time at which we send each
123 int pts_stream_index; /* stream we choose as clock reference */
124 int64_t cur_clock; /* current clock reference value in us */
125 /* output format handling */
126 struct FFStream *stream;
127 /* -1 is invalid stream */
128 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
129 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
131 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
132 int last_packet_sent; /* true if last data packet was sent */
134 DataRateData datarate;
141 int is_packetized; /* if true, the stream is packetized */
142 int packet_stream_index; /* current stream for output in state machine */
144 /* RTSP state specific */
145 uint8_t *pb_buffer; /* XXX: use that in all the code */
147 int seq; /* RTSP sequence number */
149 /* RTP state specific */
150 enum RTSPProtocol rtp_protocol;
151 char session_id[32]; /* session id */
152 AVFormatContext *rtp_ctx[MAX_STREAMS];
154 /* RTP/UDP specific */
155 URLContext *rtp_handles[MAX_STREAMS];
157 /* RTP/TCP specific */
158 struct HTTPContext *rtsp_c;
159 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
162 static AVFrame dummy_frame;
164 /* each generated stream is described here */
168 STREAM_TYPE_REDIRECT,
171 enum IPAddressAction {
176 typedef struct IPAddressACL {
177 struct IPAddressACL *next;
178 enum IPAddressAction action;
179 /* These are in host order */
180 struct in_addr first;
184 /* description of each stream of the ffserver.conf file */
185 typedef struct FFStream {
186 enum StreamType stream_type;
187 char filename[1024]; /* stream filename */
188 struct FFStream *feed; /* feed we are using (can be null if
190 AVFormatParameters *ap_in; /* input parameters */
191 AVInputFormat *ifmt; /* if non NULL, force input format */
195 int prebuffer; /* Number of millseconds early to start */
196 int64_t max_time; /* Number of milliseconds to run */
198 AVStream *streams[MAX_STREAMS];
199 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
200 char feed_filename[1024]; /* file name of the feed storage, or
201 input file name for a stream */
206 pid_t pid; /* Of ffmpeg process */
207 time_t pid_start; /* Of ffmpeg process */
209 struct FFStream *next;
210 int bandwidth; /* bandwidth, in kbits/s */
213 /* multicast specific */
215 struct in_addr multicast_ip;
216 int multicast_port; /* first port used for multicast */
218 int loop; /* if true, send the stream in loops (only meaningful if file) */
221 int feed_opened; /* true if someone is writing to the feed */
222 int is_feed; /* true if it is a feed */
223 int readonly; /* True if writing is prohibited to the file */
225 int64_t bytes_served;
226 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
227 int64_t feed_write_index; /* current write position in feed (it wraps round) */
228 int64_t feed_size; /* current size of feed */
229 struct FFStream *next_feed;
232 typedef struct FeedData {
233 long long data_count;
234 float avg_frame_size; /* frame size averraged over last frames with exponential mean */
237 struct sockaddr_in my_http_addr;
238 struct sockaddr_in my_rtsp_addr;
240 static char logfilename[1024];
241 static HTTPContext *first_http_ctx;
242 static FFStream *first_feed; /* contains only feeds */
243 static FFStream *first_stream; /* contains all streams, including feeds */
245 static void new_connection(int server_fd, int is_rtsp);
246 static void close_connection(HTTPContext *c);
249 static int handle_connection(HTTPContext *c);
250 static int http_parse_request(HTTPContext *c);
251 static int http_send_data(HTTPContext *c);
252 static void compute_stats(HTTPContext *c);
253 static int open_input_stream(HTTPContext *c, const char *info);
254 static int http_start_receive_data(HTTPContext *c);
255 static int http_receive_data(HTTPContext *c);
258 static int rtsp_parse_request(HTTPContext *c);
259 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
260 static void rtsp_cmd_options(HTTPContext *c, const char *url);
261 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
262 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
263 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
264 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
267 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
268 struct in_addr my_ip);
271 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
272 FFStream *stream, const char *session_id,
273 enum RTSPProtocol rtp_protocol);
274 static int rtp_new_av_stream(HTTPContext *c,
275 int stream_index, struct sockaddr_in *dest_addr,
276 HTTPContext *rtsp_c);
278 static const char *my_program_name;
279 static const char *my_program_dir;
281 static int ffserver_debug;
282 static int ffserver_daemon;
283 static int no_launch;
284 static int need_to_start_children;
286 static int nb_max_connections;
287 static int nb_connections;
289 static int max_bandwidth;
290 static int current_bandwidth;
292 static int64_t cur_time; // Making this global saves on passing it around everywhere
294 static AVRandomState random_state;
296 static FILE *logfile = NULL;
298 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
304 vfprintf(logfile, fmt, ap);
310 static char *ctime1(char *buf2)
318 p = buf2 + strlen(p) - 1;
324 static void log_connection(HTTPContext *c)
331 http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
332 inet_ntoa(c->from_addr.sin_addr),
333 ctime1(buf2), c->method, c->url,
334 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
337 static void update_datarate(DataRateData *drd, int64_t count)
339 if (!drd->time1 && !drd->count1) {
340 drd->time1 = drd->time2 = cur_time;
341 drd->count1 = drd->count2 = count;
343 if (cur_time - drd->time2 > 5000) {
344 drd->time1 = drd->time2;
345 drd->count1 = drd->count2;
346 drd->time2 = cur_time;
352 /* In bytes per second */
353 static int compute_datarate(DataRateData *drd, int64_t count)
355 if (cur_time == drd->time1)
358 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
362 static void start_children(FFStream *feed)
367 for (; feed; feed = feed->next) {
368 if (feed->child_argv && !feed->pid) {
369 feed->pid_start = time(0);
374 fprintf(stderr, "Unable to create children\n");
383 for (i = 3; i < 256; i++) {
387 if (!ffserver_debug) {
388 i = open("/dev/null", O_RDWR);
397 pstrcpy(pathname, sizeof(pathname), my_program_name);
399 slash = strrchr(pathname, '/');
405 strcpy(slash, "ffmpeg");
407 /* This is needed to make relative pathnames work */
408 chdir(my_program_dir);
410 signal(SIGPIPE, SIG_DFL);
412 execvp(pathname, feed->child_argv);
420 /* open a listening socket */
421 static int socket_open_listen(struct sockaddr_in *my_addr)
425 server_fd = socket(AF_INET,SOCK_STREAM,0);
432 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
434 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
436 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
438 closesocket(server_fd);
442 if (listen (server_fd, 5) < 0) {
444 closesocket(server_fd);
447 fcntl(server_fd, F_SETFL, O_NONBLOCK);
452 /* start all multicast streams */
453 static void start_multicast(void)
458 struct sockaddr_in dest_addr;
459 int default_port, stream_index;
462 for(stream = first_stream; stream != NULL; stream = stream->next) {
463 if (stream->is_multicast) {
464 /* open the RTP connection */
465 snprintf(session_id, sizeof(session_id), "%08x%08x",
466 av_random(&random_state), av_random(&random_state));
468 /* choose a port if none given */
469 if (stream->multicast_port == 0) {
470 stream->multicast_port = default_port;
474 dest_addr.sin_family = AF_INET;
475 dest_addr.sin_addr = stream->multicast_ip;
476 dest_addr.sin_port = htons(stream->multicast_port);
478 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
479 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
483 if (open_input_stream(rtp_c, "") < 0) {
484 fprintf(stderr, "Could not open input stream for stream '%s'\n",
489 /* open each RTP stream */
490 for(stream_index = 0; stream_index < stream->nb_streams;
492 dest_addr.sin_port = htons(stream->multicast_port +
494 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
495 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
496 stream->filename, stream_index);
501 /* change state to send data */
502 rtp_c->state = HTTPSTATE_SEND_DATA;
507 /* main loop of the http server */
508 static int http_server(void)
510 int server_fd, ret, rtsp_server_fd, delay, delay1;
511 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
512 HTTPContext *c, *c_next;
514 server_fd = socket_open_listen(&my_http_addr);
518 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
519 if (rtsp_server_fd < 0)
522 http_log("ffserver started.\n");
524 start_children(first_feed);
526 first_http_ctx = NULL;
532 poll_entry = poll_table;
533 poll_entry->fd = server_fd;
534 poll_entry->events = POLLIN;
537 poll_entry->fd = rtsp_server_fd;
538 poll_entry->events = POLLIN;
541 /* wait for events on each HTTP handle */
548 case HTTPSTATE_SEND_HEADER:
549 case RTSPSTATE_SEND_REPLY:
550 case RTSPSTATE_SEND_PACKET:
551 c->poll_entry = poll_entry;
553 poll_entry->events = POLLOUT;
556 case HTTPSTATE_SEND_DATA_HEADER:
557 case HTTPSTATE_SEND_DATA:
558 case HTTPSTATE_SEND_DATA_TRAILER:
559 if (!c->is_packetized) {
560 /* for TCP, we output as much as we can (may need to put a limit) */
561 c->poll_entry = poll_entry;
563 poll_entry->events = POLLOUT;
566 /* when ffserver is doing the timing, we work by
567 looking at which packet need to be sent every
569 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
574 case HTTPSTATE_WAIT_REQUEST:
575 case HTTPSTATE_RECEIVE_DATA:
576 case HTTPSTATE_WAIT_FEED:
577 case RTSPSTATE_WAIT_REQUEST:
578 /* need to catch errors */
579 c->poll_entry = poll_entry;
581 poll_entry->events = POLLIN;/* Maybe this will work */
585 c->poll_entry = NULL;
591 /* wait for an event on one connection. We poll at least every
592 second to handle timeouts */
594 ret = poll(poll_table, poll_entry - poll_table, delay);
595 if (ret < 0 && errno != EAGAIN && errno != EINTR)
599 cur_time = av_gettime() / 1000;
601 if (need_to_start_children) {
602 need_to_start_children = 0;
603 start_children(first_feed);
606 /* now handle the events */
607 for(c = first_http_ctx; c != NULL; c = c_next) {
609 if (handle_connection(c) < 0) {
610 /* close and free the connection */
616 poll_entry = poll_table;
617 /* new HTTP connection request ? */
618 if (poll_entry->revents & POLLIN) {
619 new_connection(server_fd, 0);
622 /* new RTSP connection request ? */
623 if (poll_entry->revents & POLLIN) {
624 new_connection(rtsp_server_fd, 1);
629 /* start waiting for a new HTTP/RTSP request */
630 static void start_wait_request(HTTPContext *c, int is_rtsp)
632 c->buffer_ptr = c->buffer;
633 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
636 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
637 c->state = RTSPSTATE_WAIT_REQUEST;
639 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
640 c->state = HTTPSTATE_WAIT_REQUEST;
644 static void new_connection(int server_fd, int is_rtsp)
646 struct sockaddr_in from_addr;
648 HTTPContext *c = NULL;
650 len = sizeof(from_addr);
651 fd = accept(server_fd, (struct sockaddr *)&from_addr,
655 fcntl(fd, F_SETFL, O_NONBLOCK);
657 /* XXX: should output a warning page when coming
658 close to the connection limit */
659 if (nb_connections >= nb_max_connections)
662 /* add a new connection */
663 c = av_mallocz(sizeof(HTTPContext));
668 c->poll_entry = NULL;
669 c->from_addr = from_addr;
670 c->buffer_size = IOBUFFER_INIT_SIZE;
671 c->buffer = av_malloc(c->buffer_size);
675 c->next = first_http_ctx;
679 start_wait_request(c, is_rtsp);
691 static void close_connection(HTTPContext *c)
693 HTTPContext **cp, *c1;
695 AVFormatContext *ctx;
699 /* remove connection from list */
700 cp = &first_http_ctx;
701 while ((*cp) != NULL) {
710 /* remove references, if any (XXX: do it faster) */
711 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
716 /* remove connection associated resources */
720 /* close each frame parser */
721 for(i=0;i<c->fmt_in->nb_streams;i++) {
722 st = c->fmt_in->streams[i];
723 if (st->codec->codec) {
724 avcodec_close(st->codec);
727 av_close_input_file(c->fmt_in);
730 /* free RTP output streams if any */
733 nb_streams = c->stream->nb_streams;
735 for(i=0;i<nb_streams;i++) {
738 av_write_trailer(ctx);
741 h = c->rtp_handles[i];
749 if (!c->last_packet_sent) {
752 if (url_open_dyn_buf(&ctx->pb) >= 0) {
753 av_write_trailer(ctx);
754 url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
759 for(i=0; i<ctx->nb_streams; i++)
760 av_free(ctx->streams[i]) ;
762 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
763 current_bandwidth -= c->stream->bandwidth;
765 /* signal that there is no feed if we are the feeder socket */
766 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
767 c->stream->feed_opened = 0;
771 av_freep(&c->pb_buffer);
772 av_freep(&c->packet_buffer);
778 static int handle_connection(HTTPContext *c)
783 case HTTPSTATE_WAIT_REQUEST:
784 case RTSPSTATE_WAIT_REQUEST:
786 if ((c->timeout - cur_time) < 0)
788 if (c->poll_entry->revents & (POLLERR | POLLHUP))
791 /* no need to read if no events */
792 if (!(c->poll_entry->revents & POLLIN))
796 len = recv(c->fd, c->buffer_ptr, 1, 0);
798 if (errno != EAGAIN && errno != EINTR)
800 } else if (len == 0) {
803 /* search for end of request. */
805 c->buffer_ptr += len;
807 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
808 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
809 /* request found : parse it and reply */
810 if (c->state == HTTPSTATE_WAIT_REQUEST) {
811 ret = http_parse_request(c);
813 ret = rtsp_parse_request(c);
817 } else if (ptr >= c->buffer_end) {
818 /* request too long: cannot do anything */
820 } else goto read_loop;
824 case HTTPSTATE_SEND_HEADER:
825 if (c->poll_entry->revents & (POLLERR | POLLHUP))
828 /* no need to write if no events */
829 if (!(c->poll_entry->revents & POLLOUT))
831 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
833 if (errno != EAGAIN && errno != EINTR) {
834 /* error : close connection */
835 av_freep(&c->pb_buffer);
839 c->buffer_ptr += len;
841 c->stream->bytes_served += len;
842 c->data_count += len;
843 if (c->buffer_ptr >= c->buffer_end) {
844 av_freep(&c->pb_buffer);
849 /* all the buffer was sent : synchronize to the incoming stream */
850 c->state = HTTPSTATE_SEND_DATA_HEADER;
851 c->buffer_ptr = c->buffer_end = c->buffer;
856 case HTTPSTATE_SEND_DATA:
857 case HTTPSTATE_SEND_DATA_HEADER:
858 case HTTPSTATE_SEND_DATA_TRAILER:
859 /* for packetized output, we consider we can always write (the
860 input streams sets the speed). It may be better to verify
861 that we do not rely too much on the kernel queues */
862 if (!c->is_packetized) {
863 if (c->poll_entry->revents & (POLLERR | POLLHUP))
866 /* no need to read if no events */
867 if (!(c->poll_entry->revents & POLLOUT))
870 if (http_send_data(c) < 0)
872 /* close connection if trailer sent */
873 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
876 case HTTPSTATE_RECEIVE_DATA:
877 /* no need to read if no events */
878 if (c->poll_entry->revents & (POLLERR | POLLHUP))
880 if (!(c->poll_entry->revents & POLLIN))
882 if (http_receive_data(c) < 0)
885 case HTTPSTATE_WAIT_FEED:
886 /* no need to read if no events */
887 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
890 /* nothing to do, we'll be waken up by incoming feed packets */
893 case RTSPSTATE_SEND_REPLY:
894 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
895 av_freep(&c->pb_buffer);
898 /* no need to write if no events */
899 if (!(c->poll_entry->revents & POLLOUT))
901 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
903 if (errno != EAGAIN && errno != EINTR) {
904 /* error : close connection */
905 av_freep(&c->pb_buffer);
909 c->buffer_ptr += len;
910 c->data_count += len;
911 if (c->buffer_ptr >= c->buffer_end) {
912 /* all the buffer was sent : wait for a new request */
913 av_freep(&c->pb_buffer);
914 start_wait_request(c, 1);
918 case RTSPSTATE_SEND_PACKET:
919 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
920 av_freep(&c->packet_buffer);
923 /* no need to write if no events */
924 if (!(c->poll_entry->revents & POLLOUT))
926 len = send(c->fd, c->packet_buffer_ptr,
927 c->packet_buffer_end - c->packet_buffer_ptr, 0);
929 if (errno != EAGAIN && errno != EINTR) {
930 /* error : close connection */
931 av_freep(&c->packet_buffer);
935 c->packet_buffer_ptr += len;
936 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
937 /* all the buffer was sent : wait for a new request */
938 av_freep(&c->packet_buffer);
939 c->state = RTSPSTATE_WAIT_REQUEST;
943 case HTTPSTATE_READY:
952 static int extract_rates(char *rates, int ratelen, const char *request)
956 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
957 if (strncasecmp(p, "Pragma:", 7) == 0) {
958 const char *q = p + 7;
960 while (*q && *q != '\n' && isspace(*q))
963 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
969 memset(rates, 0xff, ratelen);
972 while (*q && *q != '\n' && *q != ':')
975 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
979 if (stream_no < ratelen && stream_no >= 0) {
980 rates[stream_no] = rate_no;
983 while (*q && *q != '\n' && !isspace(*q))
1000 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1003 int best_bitrate = 100000000;
1006 for (i = 0; i < feed->nb_streams; i++) {
1007 AVCodecContext *feed_codec = feed->streams[i]->codec;
1009 if (feed_codec->codec_id != codec->codec_id ||
1010 feed_codec->sample_rate != codec->sample_rate ||
1011 feed_codec->width != codec->width ||
1012 feed_codec->height != codec->height) {
1016 /* Potential stream */
1018 /* We want the fastest stream less than bit_rate, or the slowest
1019 * faster than bit_rate
1022 if (feed_codec->bit_rate <= bit_rate) {
1023 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1024 best_bitrate = feed_codec->bit_rate;
1028 if (feed_codec->bit_rate < best_bitrate) {
1029 best_bitrate = feed_codec->bit_rate;
1038 static int modify_current_stream(HTTPContext *c, char *rates)
1041 FFStream *req = c->stream;
1042 int action_required = 0;
1044 /* Not much we can do for a feed */
1048 for (i = 0; i < req->nb_streams; i++) {
1049 AVCodecContext *codec = req->streams[i]->codec;
1053 c->switch_feed_streams[i] = req->feed_streams[i];
1056 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1059 /* Wants off or slow */
1060 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1062 /* This doesn't work well when it turns off the only stream! */
1063 c->switch_feed_streams[i] = -2;
1064 c->feed_streams[i] = -2;
1069 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1070 action_required = 1;
1073 return action_required;
1077 static void do_switch_stream(HTTPContext *c, int i)
1079 if (c->switch_feed_streams[i] >= 0) {
1081 c->feed_streams[i] = c->switch_feed_streams[i];
1084 /* Now update the stream */
1086 c->switch_feed_streams[i] = -1;
1089 /* XXX: factorize in utils.c ? */
1090 /* XXX: take care with different space meaning */
1091 static void skip_spaces(const char **pp)
1095 while (*p == ' ' || *p == '\t')
1100 static void get_word(char *buf, int buf_size, const char **pp)
1108 while (!isspace(*p) && *p != '\0') {
1109 if ((q - buf) < buf_size - 1)
1118 static int validate_acl(FFStream *stream, HTTPContext *c)
1120 enum IPAddressAction last_action = IP_DENY;
1122 struct in_addr *src = &c->from_addr.sin_addr;
1123 unsigned long src_addr = ntohl(src->s_addr);
1125 for (acl = stream->acl; acl; acl = acl->next) {
1126 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
1127 return (acl->action == IP_ALLOW) ? 1 : 0;
1129 last_action = acl->action;
1132 /* Nothing matched, so return not the last action */
1133 return (last_action == IP_DENY) ? 1 : 0;
1136 /* compute the real filename of a file by matching it without its
1137 extensions to all the stream filenames */
1138 static void compute_real_filename(char *filename, int max_size)
1145 /* compute filename by matching without the file extensions */
1146 pstrcpy(file1, sizeof(file1), filename);
1147 p = strrchr(file1, '.');
1150 for(stream = first_stream; stream != NULL; stream = stream->next) {
1151 pstrcpy(file2, sizeof(file2), stream->filename);
1152 p = strrchr(file2, '.');
1155 if (!strcmp(file1, file2)) {
1156 pstrcpy(filename, max_size, stream->filename);
1171 /* parse http request and prepare header */
1172 static int http_parse_request(HTTPContext *c)
1175 enum RedirType redir_type;
1177 char info[1024], filename[1024];
1181 const char *mime_type;
1185 char *useragent = 0;
1188 get_word(cmd, sizeof(cmd), (const char **)&p);
1189 pstrcpy(c->method, sizeof(c->method), cmd);
1191 if (!strcmp(cmd, "GET"))
1193 else if (!strcmp(cmd, "POST"))
1198 get_word(url, sizeof(url), (const char **)&p);
1199 pstrcpy(c->url, sizeof(c->url), url);
1201 get_word(protocol, sizeof(protocol), (const char **)&p);
1202 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1205 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
1208 http_log("New connection: %s %s\n", cmd, url);
1210 /* find the filename and the optional info string in the request */
1211 p = strchr(url, '?');
1213 pstrcpy(info, sizeof(info), p);
1219 pstrcpy(filename, sizeof(filename)-1, url + ((*url == '/') ? 1 : 0));
1221 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1222 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1224 if (*useragent && *useragent != '\n' && isspace(*useragent))
1228 p = strchr(p, '\n');
1235 redir_type = REDIR_NONE;
1236 if (match_ext(filename, "asx")) {
1237 redir_type = REDIR_ASX;
1238 filename[strlen(filename)-1] = 'f';
1239 } else if (match_ext(filename, "asf") &&
1240 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1241 /* if this isn't WMP or lookalike, return the redirector file */
1242 redir_type = REDIR_ASF;
1243 } else if (match_ext(filename, "rpm,ram")) {
1244 redir_type = REDIR_RAM;
1245 strcpy(filename + strlen(filename)-2, "m");
1246 } else if (match_ext(filename, "rtsp")) {
1247 redir_type = REDIR_RTSP;
1248 compute_real_filename(filename, sizeof(filename) - 1);
1249 } else if (match_ext(filename, "sdp")) {
1250 redir_type = REDIR_SDP;
1251 compute_real_filename(filename, sizeof(filename) - 1);
1254 // "redirect" / request to index.html
1255 if (!strlen(filename))
1256 pstrcpy(filename, sizeof(filename) - 1, "index.html");
1258 stream = first_stream;
1259 while (stream != NULL) {
1260 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1262 stream = stream->next;
1264 if (stream == NULL) {
1265 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1270 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1271 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1273 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1274 c->http_error = 301;
1276 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1277 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1278 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1279 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1280 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1281 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1282 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1284 /* prepare output buffer */
1285 c->buffer_ptr = c->buffer;
1287 c->state = HTTPSTATE_SEND_HEADER;
1291 /* If this is WMP, get the rate information */
1292 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1293 if (modify_current_stream(c, ratebuf)) {
1294 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1295 if (c->switch_feed_streams[i] >= 0)
1296 do_switch_stream(c, i);
1301 /* If already streaming this feed, dont let start an another feeder */
1302 if (stream->feed_opened) {
1303 snprintf(msg, sizeof(msg), "This feed is already being received.");
1307 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
1308 current_bandwidth += stream->bandwidth;
1311 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1312 c->http_error = 200;
1314 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1315 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec.</p>\r\n",
1320 current_bandwidth, max_bandwidth);
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1323 /* prepare output buffer */
1324 c->buffer_ptr = c->buffer;
1326 c->state = HTTPSTATE_SEND_HEADER;
1330 if (redir_type != REDIR_NONE) {
1333 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1334 if (strncasecmp(p, "Host:", 5) == 0) {
1338 p = strchr(p, '\n');
1349 while (isspace(*hostinfo))
1352 eoh = strchr(hostinfo, '\n');
1354 if (eoh[-1] == '\r')
1357 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1358 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1359 hostbuf[eoh - hostinfo] = 0;
1361 c->http_error = 200;
1363 switch(redir_type) {
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1368 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1369 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1370 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1371 hostbuf, filename, info);
1372 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1376 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1377 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1378 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1379 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1380 hostbuf, filename, info);
1383 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1384 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1385 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1387 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1388 hostbuf, filename, info);
1392 char hostname[256], *p;
1393 /* extract only hostname */
1394 pstrcpy(hostname, sizeof(hostname), hostbuf);
1395 p = strrchr(hostname, ':');
1398 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1399 /* XXX: incorrect mime type ? */
1400 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1402 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1403 hostname, ntohs(my_rtsp_addr.sin_port),
1410 int sdp_data_size, len;
1411 struct sockaddr_in my_addr;
1413 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 len = sizeof(my_addr);
1418 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1420 /* XXX: should use a dynamic buffer */
1421 sdp_data_size = prepare_sdp_description(stream,
1424 if (sdp_data_size > 0) {
1425 memcpy(q, sdp_data, sdp_data_size);
1437 /* prepare output buffer */
1438 c->buffer_ptr = c->buffer;
1440 c->state = HTTPSTATE_SEND_HEADER;
1446 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1450 stream->conns_served++;
1452 /* XXX: add there authenticate and IP match */
1455 /* if post, it means a feed is being sent */
1456 if (!stream->is_feed) {
1457 /* However it might be a status report from WMP! Lets log the data
1458 * as it might come in handy one day
1463 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1464 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1468 if (strncasecmp(p, "Pragma: client-id=", 18) == 0) {
1469 client_id = strtol(p + 18, 0, 10);
1471 p = strchr(p, '\n');
1479 char *eol = strchr(logline, '\n');
1484 if (eol[-1] == '\r')
1486 http_log("%.*s\n", (int) (eol - logline), logline);
1487 c->suppress_log = 1;
1492 http_log("\nGot request:\n%s\n", c->buffer);
1495 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1498 /* Now we have to find the client_id */
1499 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1500 if (wmpc->wmp_client_id == client_id)
1505 if (modify_current_stream(wmpc, ratebuf)) {
1506 wmpc->switch_pending = 1;
1511 snprintf(msg, sizeof(msg), "POST command not handled");
1515 if (http_start_receive_data(c) < 0) {
1516 snprintf(msg, sizeof(msg), "could not open feed");
1520 c->state = HTTPSTATE_RECEIVE_DATA;
1525 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0) {
1526 http_log("\nGot request:\n%s\n", c->buffer);
1530 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1533 /* open input stream */
1534 if (open_input_stream(c, info) < 0) {
1535 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1539 /* prepare http header */
1541 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1542 mime_type = c->stream->fmt->mime_type;
1544 mime_type = "application/x-octet-stream";
1545 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1547 /* for asf, we need extra headers */
1548 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1549 /* Need to allocate a client id */
1551 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1553 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);
1555 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1556 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1558 /* prepare output buffer */
1560 c->buffer_ptr = c->buffer;
1562 c->state = HTTPSTATE_SEND_HEADER;
1565 c->http_error = 404;
1567 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1568 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1569 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1570 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1571 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1572 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1573 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1575 /* prepare output buffer */
1576 c->buffer_ptr = c->buffer;
1578 c->state = HTTPSTATE_SEND_HEADER;
1582 c->http_error = 200; /* horrible : we use this value to avoid
1583 going to the send data state */
1584 c->state = HTTPSTATE_SEND_HEADER;
1588 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1590 static const char *suffix = " kMGTP";
1593 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++) {
1596 url_fprintf(pb, "%"PRId64"%c", count, *s);
1599 static void compute_stats(HTTPContext *c)
1606 ByteIOContext pb1, *pb = &pb1;
1608 if (url_open_dyn_buf(pb) < 0) {
1609 /* XXX: return an error ? */
1610 c->buffer_ptr = c->buffer;
1611 c->buffer_end = c->buffer;
1615 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1616 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1617 url_fprintf(pb, "Pragma: no-cache\r\n");
1618 url_fprintf(pb, "\r\n");
1620 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1621 if (c->stream->feed_filename) {
1622 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1624 url_fprintf(pb, "</HEAD>\n<BODY>");
1625 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1627 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1628 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1629 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");
1630 stream = first_stream;
1631 while (stream != NULL) {
1632 char sfilename[1024];
1635 if (stream->feed != stream) {
1636 pstrcpy(sfilename, sizeof(sfilename) - 10, stream->filename);
1637 eosf = sfilename + strlen(sfilename);
1638 if (eosf - sfilename >= 4) {
1639 if (strcmp(eosf - 4, ".asf") == 0) {
1640 strcpy(eosf - 4, ".asx");
1641 } else if (strcmp(eosf - 3, ".rm") == 0) {
1642 strcpy(eosf - 3, ".ram");
1643 } else if (stream->fmt == &rtp_muxer) {
1644 /* generate a sample RTSP director if
1645 unicast. Generate an SDP redirector if
1647 eosf = strrchr(sfilename, '.');
1649 eosf = sfilename + strlen(sfilename);
1650 if (stream->is_multicast)
1651 strcpy(eosf, ".sdp");
1653 strcpy(eosf, ".rtsp");
1657 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1658 sfilename, stream->filename);
1659 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1660 stream->conns_served);
1661 fmt_bytecount(pb, stream->bytes_served);
1662 switch(stream->stream_type) {
1663 case STREAM_TYPE_LIVE:
1665 int audio_bit_rate = 0;
1666 int video_bit_rate = 0;
1667 const char *audio_codec_name = "";
1668 const char *video_codec_name = "";
1669 const char *audio_codec_name_extra = "";
1670 const char *video_codec_name_extra = "";
1672 for(i=0;i<stream->nb_streams;i++) {
1673 AVStream *st = stream->streams[i];
1674 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1675 switch(st->codec->codec_type) {
1676 case CODEC_TYPE_AUDIO:
1677 audio_bit_rate += st->codec->bit_rate;
1679 if (*audio_codec_name)
1680 audio_codec_name_extra = "...";
1681 audio_codec_name = codec->name;
1684 case CODEC_TYPE_VIDEO:
1685 video_bit_rate += st->codec->bit_rate;
1687 if (*video_codec_name)
1688 video_codec_name_extra = "...";
1689 video_codec_name = codec->name;
1692 case CODEC_TYPE_DATA:
1693 video_bit_rate += st->codec->bit_rate;
1699 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",
1702 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1703 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1705 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1707 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1709 url_fprintf(pb, "\n");
1713 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1717 stream = stream->next;
1719 url_fprintf(pb, "</TABLE>\n");
1721 stream = first_stream;
1722 while (stream != NULL) {
1723 if (stream->feed == stream) {
1724 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1726 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1728 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1733 /* This is somewhat linux specific I guess */
1734 snprintf(ps_cmd, sizeof(ps_cmd),
1735 "ps -o \"%%cpu,cputime\" --no-headers %d",
1738 pid_stat = popen(ps_cmd, "r");
1743 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1745 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1753 url_fprintf(pb, "<p>");
1755 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");
1757 for (i = 0; i < stream->nb_streams; i++) {
1758 AVStream *st = stream->streams[i];
1759 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1760 const char *type = "unknown";
1761 char parameters[64];
1765 switch(st->codec->codec_type) {
1766 case CODEC_TYPE_AUDIO:
1768 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1770 case CODEC_TYPE_VIDEO:
1772 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1773 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1778 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1779 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1781 url_fprintf(pb, "</table>\n");
1784 stream = stream->next;
1790 AVCodecContext *enc;
1794 stream = first_feed;
1795 while (stream != NULL) {
1796 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1797 url_fprintf(pb, "<TABLE>\n");
1798 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1799 for(i=0;i<stream->nb_streams;i++) {
1800 AVStream *st = stream->streams[i];
1801 FeedData *fdata = st->priv_data;
1804 avcodec_string(buf, sizeof(buf), enc);
1805 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1806 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1807 avg /= enc->frame_size;
1808 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1809 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1811 url_fprintf(pb, "</TABLE>\n");
1812 stream = stream->next_feed;
1817 /* connection status */
1818 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1820 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1821 nb_connections, nb_max_connections);
1823 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1824 current_bandwidth, max_bandwidth);
1826 url_fprintf(pb, "<TABLE>\n");
1827 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");
1828 c1 = first_http_ctx;
1830 while (c1 != NULL) {
1836 for (j = 0; j < c1->stream->nb_streams; j++) {
1837 if (!c1->stream->feed) {
1838 bitrate += c1->stream->streams[j]->codec->bit_rate;
1840 if (c1->feed_streams[j] >= 0) {
1841 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1848 p = inet_ntoa(c1->from_addr.sin_addr);
1849 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1851 c1->stream ? c1->stream->filename : "",
1852 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1855 http_state[c1->state]);
1856 fmt_bytecount(pb, bitrate);
1857 url_fprintf(pb, "<td align=right>");
1858 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1859 url_fprintf(pb, "<td align=right>");
1860 fmt_bytecount(pb, c1->data_count);
1861 url_fprintf(pb, "\n");
1864 url_fprintf(pb, "</TABLE>\n");
1869 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1870 url_fprintf(pb, "</BODY>\n</HTML>\n");
1872 len = url_close_dyn_buf(pb, &c->pb_buffer);
1873 c->buffer_ptr = c->pb_buffer;
1874 c->buffer_end = c->pb_buffer + len;
1877 /* check if the parser needs to be opened for stream i */
1878 static void open_parser(AVFormatContext *s, int i)
1880 AVStream *st = s->streams[i];
1883 if (!st->codec->codec) {
1884 codec = avcodec_find_decoder(st->codec->codec_id);
1885 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1886 st->codec->parse_only = 1;
1887 if (avcodec_open(st->codec, codec) < 0) {
1888 st->codec->parse_only = 0;
1894 static int open_input_stream(HTTPContext *c, const char *info)
1897 char input_filename[1024];
1902 /* find file name */
1903 if (c->stream->feed) {
1904 strcpy(input_filename, c->stream->feed->feed_filename);
1905 buf_size = FFM_PACKET_SIZE;
1906 /* compute position (absolute time) */
1907 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1908 stream_pos = parse_date(buf, 0);
1909 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1910 int prebuffer = strtol(buf, 0, 10);
1911 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1913 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1916 strcpy(input_filename, c->stream->feed_filename);
1918 /* compute position (relative time) */
1919 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1920 stream_pos = parse_date(buf, 1);
1925 if (input_filename[0] == '\0')
1929 { time_t when = stream_pos / 1000000;
1930 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1935 if (av_open_input_file(&s, input_filename, c->stream->ifmt,
1936 buf_size, c->stream->ap_in) < 0) {
1937 http_log("%s not found", input_filename);
1942 /* open each parser */
1943 for(i=0;i<s->nb_streams;i++)
1946 /* choose stream as clock source (we favorize video stream if
1947 present) for packet sending */
1948 c->pts_stream_index = 0;
1949 for(i=0;i<c->stream->nb_streams;i++) {
1950 if (c->pts_stream_index == 0 &&
1951 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1952 c->pts_stream_index = i;
1957 if (c->fmt_in->iformat->read_seek) {
1958 c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
1961 /* set the start time (needed for maxtime and RTP packet timing) */
1962 c->start_time = cur_time;
1963 c->first_pts = AV_NOPTS_VALUE;
1967 /* return the server clock (in us) */
1968 static int64_t get_server_clock(HTTPContext *c)
1970 /* compute current pts value from system time */
1971 return (cur_time - c->start_time) * 1000;
1974 /* return the estimated time at which the current packet must be sent
1976 static int64_t get_packet_send_clock(HTTPContext *c)
1978 int bytes_left, bytes_sent, frame_bytes;
1980 frame_bytes = c->cur_frame_bytes;
1981 if (frame_bytes <= 0) {
1984 bytes_left = c->buffer_end - c->buffer_ptr;
1985 bytes_sent = frame_bytes - bytes_left;
1986 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1991 static int http_prepare_data(HTTPContext *c)
1994 AVFormatContext *ctx;
1996 av_freep(&c->pb_buffer);
1998 case HTTPSTATE_SEND_DATA_HEADER:
1999 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2000 pstrcpy(c->fmt_ctx.author, sizeof(c->fmt_ctx.author),
2002 pstrcpy(c->fmt_ctx.comment, sizeof(c->fmt_ctx.comment),
2003 c->stream->comment);
2004 pstrcpy(c->fmt_ctx.copyright, sizeof(c->fmt_ctx.copyright),
2005 c->stream->copyright);
2006 pstrcpy(c->fmt_ctx.title, sizeof(c->fmt_ctx.title),
2009 /* open output stream by using specified codecs */
2010 c->fmt_ctx.oformat = c->stream->fmt;
2011 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2012 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2015 st = av_mallocz(sizeof(AVStream));
2016 st->codec= avcodec_alloc_context();
2017 c->fmt_ctx.streams[i] = st;
2018 /* if file or feed, then just take streams from FFStream struct */
2019 if (!c->stream->feed ||
2020 c->stream->feed == c->stream)
2021 src = c->stream->streams[i];
2023 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2027 st->codec->frame_number = 0; /* XXX: should be done in
2028 AVStream, not in codec */
2029 /* I'm pretty sure that this is not correct...
2030 * However, without it, we crash
2032 st->codec->coded_frame = &dummy_frame;
2034 c->got_key_frame = 0;
2036 /* prepare header and save header data in a stream */
2037 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2038 /* XXX: potential leak */
2041 c->fmt_ctx.pb.is_streamed = 1;
2043 av_set_parameters(&c->fmt_ctx, NULL);
2044 if (av_write_header(&c->fmt_ctx) < 0)
2047 len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
2048 c->buffer_ptr = c->pb_buffer;
2049 c->buffer_end = c->pb_buffer + len;
2051 c->state = HTTPSTATE_SEND_DATA;
2052 c->last_packet_sent = 0;
2054 case HTTPSTATE_SEND_DATA:
2055 /* find a new packet */
2059 /* read a packet from the input stream */
2060 if (c->stream->feed) {
2061 ffm_set_write_index(c->fmt_in,
2062 c->stream->feed->feed_write_index,
2063 c->stream->feed->feed_size);
2066 if (c->stream->max_time &&
2067 c->stream->max_time + c->start_time - cur_time < 0) {
2068 /* We have timed out */
2069 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2072 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2073 if (c->stream->feed && c->stream->feed->feed_opened) {
2074 /* if coming from feed, it means we reached the end of the
2075 ffm file, so must wait for more data */
2076 c->state = HTTPSTATE_WAIT_FEED;
2077 return 1; /* state changed */
2079 if (c->stream->loop) {
2080 av_close_input_file(c->fmt_in);
2082 if (open_input_stream(c, "") < 0)
2087 /* must send trailer now because eof or error */
2088 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2092 /* update first pts if needed */
2093 if (c->first_pts == AV_NOPTS_VALUE) {
2094 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2095 c->start_time = cur_time;
2097 /* send it to the appropriate stream */
2098 if (c->stream->feed) {
2099 /* if coming from a feed, select the right stream */
2100 if (c->switch_pending) {
2101 c->switch_pending = 0;
2102 for(i=0;i<c->stream->nb_streams;i++) {
2103 if (c->switch_feed_streams[i] == pkt.stream_index) {
2104 if (pkt.flags & PKT_FLAG_KEY) {
2105 do_switch_stream(c, i);
2108 if (c->switch_feed_streams[i] >= 0) {
2109 c->switch_pending = 1;
2113 for(i=0;i<c->stream->nb_streams;i++) {
2114 if (c->feed_streams[i] == pkt.stream_index) {
2115 pkt.stream_index = i;
2116 if (pkt.flags & PKT_FLAG_KEY) {
2117 c->got_key_frame |= 1 << i;
2119 /* See if we have all the key frames, then
2120 * we start to send. This logic is not quite
2121 * right, but it works for the case of a
2122 * single video stream with one or more
2123 * audio streams (for which every frame is
2124 * typically a key frame).
2126 if (!c->stream->send_on_key ||
2127 ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
2133 AVCodecContext *codec;
2136 /* specific handling for RTP: we use several
2137 output stream (one for each RTP
2138 connection). XXX: need more abstract handling */
2139 if (c->is_packetized) {
2141 /* compute send time and duration */
2142 st = c->fmt_in->streams[pkt.stream_index];
2143 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2144 if (st->start_time != AV_NOPTS_VALUE)
2145 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2146 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2148 printf("index=%d pts=%0.3f duration=%0.6f\n",
2150 (double)c->cur_pts /
2152 (double)c->cur_frame_duration /
2155 /* find RTP context */
2156 c->packet_stream_index = pkt.stream_index;
2157 ctx = c->rtp_ctx[c->packet_stream_index];
2159 av_free_packet(&pkt);
2162 codec = ctx->streams[0]->codec;
2163 /* only one stream per RTP connection */
2164 pkt.stream_index = 0;
2168 codec = ctx->streams[pkt.stream_index]->codec;
2171 codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
2172 if (c->is_packetized) {
2173 int max_packet_size;
2174 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2175 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2177 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2178 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2180 ret = url_open_dyn_buf(&ctx->pb);
2183 /* XXX: potential leak */
2186 if (pkt.dts != AV_NOPTS_VALUE)
2187 pkt.dts = av_rescale_q(pkt.dts,
2188 c->fmt_in->streams[pkt.stream_index]->time_base,
2189 ctx->streams[pkt.stream_index]->time_base);
2190 if (pkt.pts != AV_NOPTS_VALUE)
2191 pkt.pts = av_rescale_q(pkt.pts,
2192 c->fmt_in->streams[pkt.stream_index]->time_base,
2193 ctx->streams[pkt.stream_index]->time_base);
2194 if (av_write_frame(ctx, &pkt)) {
2195 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2198 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2199 c->cur_frame_bytes = len;
2200 c->buffer_ptr = c->pb_buffer;
2201 c->buffer_end = c->pb_buffer + len;
2203 codec->frame_number++;
2207 av_free_packet(&pkt);
2213 case HTTPSTATE_SEND_DATA_TRAILER:
2214 /* last packet test ? */
2215 if (c->last_packet_sent || c->is_packetized)
2218 /* prepare header */
2219 if (url_open_dyn_buf(&ctx->pb) < 0) {
2220 /* XXX: potential leak */
2223 av_write_trailer(ctx);
2224 len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
2225 c->buffer_ptr = c->pb_buffer;
2226 c->buffer_end = c->pb_buffer + len;
2228 c->last_packet_sent = 1;
2234 /* should convert the format at the same time */
2235 /* send data starting at c->buffer_ptr to the output connection
2236 (either UDP or TCP connection) */
2237 static int http_send_data(HTTPContext *c)
2242 if (c->buffer_ptr >= c->buffer_end) {
2243 ret = http_prepare_data(c);
2246 else if (ret != 0) {
2247 /* state change requested */
2251 if (c->is_packetized) {
2252 /* RTP data output */
2253 len = c->buffer_end - c->buffer_ptr;
2255 /* fail safe - should never happen */
2257 c->buffer_ptr = c->buffer_end;
2260 len = (c->buffer_ptr[0] << 24) |
2261 (c->buffer_ptr[1] << 16) |
2262 (c->buffer_ptr[2] << 8) |
2264 if (len > (c->buffer_end - c->buffer_ptr))
2266 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2267 /* nothing to send yet: we can wait */
2271 c->data_count += len;
2272 update_datarate(&c->datarate, c->data_count);
2274 c->stream->bytes_served += len;
2276 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2277 /* RTP packets are sent inside the RTSP TCP connection */
2278 ByteIOContext pb1, *pb = &pb1;
2279 int interleaved_index, size;
2281 HTTPContext *rtsp_c;
2284 /* if no RTSP connection left, error */
2287 /* if already sending something, then wait. */
2288 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
2291 if (url_open_dyn_buf(pb) < 0)
2293 interleaved_index = c->packet_stream_index * 2;
2294 /* RTCP packets are sent at odd indexes */
2295 if (c->buffer_ptr[1] == 200)
2296 interleaved_index++;
2297 /* write RTSP TCP header */
2299 header[1] = interleaved_index;
2300 header[2] = len >> 8;
2302 put_buffer(pb, header, 4);
2303 /* write RTP packet data */
2305 put_buffer(pb, c->buffer_ptr, len);
2306 size = url_close_dyn_buf(pb, &c->packet_buffer);
2307 /* prepare asynchronous TCP sending */
2308 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2309 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2310 c->buffer_ptr += len;
2312 /* send everything we can NOW */
2313 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2314 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2316 rtsp_c->packet_buffer_ptr += len;
2318 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2319 /* if we could not send all the data, we will
2320 send it later, so a new state is needed to
2321 "lock" the RTSP TCP connection */
2322 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2325 /* all data has been sent */
2326 av_freep(&c->packet_buffer);
2329 /* send RTP packet directly in UDP */
2331 url_write(c->rtp_handles[c->packet_stream_index],
2332 c->buffer_ptr, len);
2333 c->buffer_ptr += len;
2334 /* here we continue as we can send several packets per 10 ms slot */
2337 /* TCP data output */
2338 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2340 if (errno != EAGAIN && errno != EINTR) {
2341 /* error : close connection */
2347 c->buffer_ptr += len;
2349 c->data_count += len;
2350 update_datarate(&c->datarate, c->data_count);
2352 c->stream->bytes_served += len;
2360 static int http_start_receive_data(HTTPContext *c)
2364 if (c->stream->feed_opened)
2367 /* Don't permit writing to this one */
2368 if (c->stream->readonly)
2372 fd = open(c->stream->feed_filename, O_RDWR);
2377 c->stream->feed_write_index = ffm_read_write_index(fd);
2378 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2379 lseek(fd, 0, SEEK_SET);
2381 /* init buffer input */
2382 c->buffer_ptr = c->buffer;
2383 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2384 c->stream->feed_opened = 1;
2388 static int http_receive_data(HTTPContext *c)
2392 if (c->buffer_end > c->buffer_ptr) {
2395 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2397 if (errno != EAGAIN && errno != EINTR) {
2398 /* error : close connection */
2401 } else if (len == 0) {
2402 /* end of connection : close it */
2405 c->buffer_ptr += len;
2406 c->data_count += len;
2407 update_datarate(&c->datarate, c->data_count);
2411 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2412 if (c->buffer[0] != 'f' ||
2413 c->buffer[1] != 'm') {
2414 http_log("Feed stream has become desynchronized -- disconnecting\n");
2419 if (c->buffer_ptr >= c->buffer_end) {
2420 FFStream *feed = c->stream;
2421 /* a packet has been received : write it in the store, except
2423 if (c->data_count > FFM_PACKET_SIZE) {
2425 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2426 /* XXX: use llseek or url_seek */
2427 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2428 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2430 feed->feed_write_index += FFM_PACKET_SIZE;
2431 /* update file size */
2432 if (feed->feed_write_index > c->stream->feed_size)
2433 feed->feed_size = feed->feed_write_index;
2435 /* handle wrap around if max file size reached */
2436 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2437 feed->feed_write_index = FFM_PACKET_SIZE;
2440 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2442 /* wake up any waiting connections */
2443 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2444 if (c1->state == HTTPSTATE_WAIT_FEED &&
2445 c1->stream->feed == c->stream->feed) {
2446 c1->state = HTTPSTATE_SEND_DATA;
2450 /* We have a header in our hands that contains useful data */
2452 AVInputFormat *fmt_in;
2453 ByteIOContext *pb = &s.pb;
2456 memset(&s, 0, sizeof(s));
2458 url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2459 pb->buf_end = c->buffer_end; /* ?? */
2460 pb->is_streamed = 1;
2462 /* use feed output format name to find corresponding input format */
2463 fmt_in = av_find_input_format(feed->fmt->name);
2467 if (fmt_in->priv_data_size > 0) {
2468 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2474 if (fmt_in->read_header(&s, 0) < 0) {
2475 av_freep(&s.priv_data);
2479 /* Now we have the actual streams */
2480 if (s.nb_streams != feed->nb_streams) {
2481 av_freep(&s.priv_data);
2484 for (i = 0; i < s.nb_streams; i++) {
2485 memcpy(feed->streams[i]->codec,
2486 s.streams[i]->codec, sizeof(AVCodecContext));
2488 av_freep(&s.priv_data);
2490 c->buffer_ptr = c->buffer;
2495 c->stream->feed_opened = 0;
2500 /********************************************************************/
2503 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2510 switch(error_number) {
2511 #define DEF(n, c, s) case c: str = s; break;
2512 #include "rtspcodes.h"
2515 str = "Unknown Error";
2519 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2520 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2522 /* output GMT time */
2526 p = buf2 + strlen(p) - 1;
2529 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2532 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2534 rtsp_reply_header(c, error_number);
2535 url_fprintf(c->pb, "\r\n");
2538 static int rtsp_parse_request(HTTPContext *c)
2540 const char *p, *p1, *p2;
2547 RTSPHeader header1, *header = &header1;
2549 c->buffer_ptr[0] = '\0';
2552 get_word(cmd, sizeof(cmd), &p);
2553 get_word(url, sizeof(url), &p);
2554 get_word(protocol, sizeof(protocol), &p);
2556 pstrcpy(c->method, sizeof(c->method), cmd);
2557 pstrcpy(c->url, sizeof(c->url), url);
2558 pstrcpy(c->protocol, sizeof(c->protocol), protocol);
2561 if (url_open_dyn_buf(c->pb) < 0) {
2562 /* XXX: cannot do more */
2563 c->pb = NULL; /* safety */
2567 /* check version name */
2568 if (strcmp(protocol, "RTSP/1.0") != 0) {
2569 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2573 /* parse each header line */
2574 memset(header, 0, sizeof(RTSPHeader));
2575 /* skip to next line */
2576 while (*p != '\n' && *p != '\0')
2580 while (*p != '\0') {
2581 p1 = strchr(p, '\n');
2585 if (p2 > p && p2[-1] == '\r')
2587 /* skip empty line */
2591 if (len > sizeof(line) - 1)
2592 len = sizeof(line) - 1;
2593 memcpy(line, p, len);
2595 rtsp_parse_line(header, line);
2599 /* handle sequence number */
2600 c->seq = header->seq;
2602 if (!strcmp(cmd, "DESCRIBE")) {
2603 rtsp_cmd_describe(c, url);
2604 } else if (!strcmp(cmd, "OPTIONS")) {
2605 rtsp_cmd_options(c, url);
2606 } else if (!strcmp(cmd, "SETUP")) {
2607 rtsp_cmd_setup(c, url, header);
2608 } else if (!strcmp(cmd, "PLAY")) {
2609 rtsp_cmd_play(c, url, header);
2610 } else if (!strcmp(cmd, "PAUSE")) {
2611 rtsp_cmd_pause(c, url, header);
2612 } else if (!strcmp(cmd, "TEARDOWN")) {
2613 rtsp_cmd_teardown(c, url, header);
2615 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2618 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2619 c->pb = NULL; /* safety */
2621 /* XXX: cannot do more */
2624 c->buffer_ptr = c->pb_buffer;
2625 c->buffer_end = c->pb_buffer + len;
2626 c->state = RTSPSTATE_SEND_REPLY;
2630 /* XXX: move that to rtsp.c, but would need to replace FFStream by
2632 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2633 struct in_addr my_ip)
2635 ByteIOContext pb1, *pb = &pb1;
2636 int i, payload_type, port, private_payload_type, j;
2637 const char *ipstr, *title, *mediatype;
2640 if (url_open_dyn_buf(pb) < 0)
2643 /* general media info */
2645 url_fprintf(pb, "v=0\n");
2646 ipstr = inet_ntoa(my_ip);
2647 url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
2648 title = stream->title;
2649 if (title[0] == '\0')
2651 url_fprintf(pb, "s=%s\n", title);
2652 if (stream->comment[0] != '\0')
2653 url_fprintf(pb, "i=%s\n", stream->comment);
2654 if (stream->is_multicast) {
2655 url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
2657 /* for each stream, we output the necessary info */
2658 private_payload_type = RTP_PT_PRIVATE;
2659 for(i = 0; i < stream->nb_streams; i++) {
2660 st = stream->streams[i];
2661 if (st->codec->codec_id == CODEC_ID_MPEG2TS) {
2662 mediatype = "video";
2664 switch(st->codec->codec_type) {
2665 case CODEC_TYPE_AUDIO:
2666 mediatype = "audio";
2668 case CODEC_TYPE_VIDEO:
2669 mediatype = "video";
2672 mediatype = "application";
2676 /* NOTE: the port indication is not correct in case of
2677 unicast. It is not an issue because RTSP gives it */
2678 payload_type = rtp_get_payload_type(st->codec);
2679 if (payload_type < 0)
2680 payload_type = private_payload_type++;
2681 if (stream->is_multicast) {
2682 port = stream->multicast_port + 2 * i;
2686 url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
2687 mediatype, port, payload_type);
2688 if (payload_type >= RTP_PT_PRIVATE) {
2689 /* for private payload type, we need to give more info */
2690 switch(st->codec->codec_id) {
2691 case CODEC_ID_MPEG4:
2694 url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
2695 payload_type, 90000);
2696 /* we must also add the mpeg4 header */
2697 data = st->codec->extradata;
2699 url_fprintf(pb, "a=fmtp:%d config=", payload_type);
2700 for(j=0;j<st->codec->extradata_size;j++) {
2701 url_fprintf(pb, "%02x", data[j]);
2703 url_fprintf(pb, "\n");
2708 /* XXX: add other codecs ? */
2712 url_fprintf(pb, "a=control:streamid=%d\n", i);
2714 return url_close_dyn_buf(pb, pbuffer);
2716 url_close_dyn_buf(pb, pbuffer);
2721 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2723 // rtsp_reply_header(c, RTSP_STATUS_OK);
2724 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2725 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2726 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2727 url_fprintf(c->pb, "\r\n");
2730 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2736 int content_length, len;
2737 struct sockaddr_in my_addr;
2739 /* find which url is asked */
2740 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2745 for(stream = first_stream; stream != NULL; stream = stream->next) {
2746 if (!stream->is_feed && stream->fmt == &rtp_muxer &&
2747 !strcmp(path, stream->filename)) {
2751 /* no stream found */
2752 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2756 /* prepare the media description in sdp format */
2758 /* get the host IP */
2759 len = sizeof(my_addr);
2760 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2761 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2762 if (content_length < 0) {
2763 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2766 rtsp_reply_header(c, RTSP_STATUS_OK);
2767 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2768 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2769 url_fprintf(c->pb, "\r\n");
2770 put_buffer(c->pb, content, content_length);
2773 static HTTPContext *find_rtp_session(const char *session_id)
2777 if (session_id[0] == '\0')
2780 for(c = first_http_ctx; c != NULL; c = c->next) {
2781 if (!strcmp(c->session_id, session_id))
2787 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2789 RTSPTransportField *th;
2792 for(i=0;i<h->nb_transports;i++) {
2793 th = &h->transports[i];
2794 if (th->protocol == protocol)
2800 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2804 int stream_index, port;
2809 RTSPTransportField *th;
2810 struct sockaddr_in dest_addr;
2811 RTSPActionServerSetup setup;
2813 /* find which url is asked */
2814 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2819 /* now check each stream */
2820 for(stream = first_stream; stream != NULL; stream = stream->next) {
2821 if (!stream->is_feed && stream->fmt == &rtp_muxer) {
2822 /* accept aggregate filenames only if single stream */
2823 if (!strcmp(path, stream->filename)) {
2824 if (stream->nb_streams != 1) {
2825 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2832 for(stream_index = 0; stream_index < stream->nb_streams;
2834 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2835 stream->filename, stream_index);
2836 if (!strcmp(path, buf))
2841 /* no stream found */
2842 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2846 /* generate session id if needed */
2847 if (h->session_id[0] == '\0') {
2848 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2849 av_random(&random_state), av_random(&random_state));
2852 /* find rtp session, and create it if none found */
2853 rtp_c = find_rtp_session(h->session_id);
2855 /* always prefer UDP */
2856 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2858 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2860 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2865 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2868 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2872 /* open input stream */
2873 if (open_input_stream(rtp_c, "") < 0) {
2874 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2879 /* test if stream is OK (test needed because several SETUP needs
2880 to be done for a given file) */
2881 if (rtp_c->stream != stream) {
2882 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2886 /* test if stream is already set up */
2887 if (rtp_c->rtp_ctx[stream_index]) {
2888 rtsp_reply_error(c, RTSP_STATUS_STATE);
2892 /* check transport */
2893 th = find_transport(h, rtp_c->rtp_protocol);
2894 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2895 th->client_port_min <= 0)) {
2896 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2900 /* setup default options */
2901 setup.transport_option[0] = '\0';
2902 dest_addr = rtp_c->from_addr;
2903 dest_addr.sin_port = htons(th->client_port_min);
2905 /* add transport option if needed */
2906 if (ff_rtsp_callback) {
2907 setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
2908 if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
2909 (char *)&setup, sizeof(setup),
2910 stream->rtsp_option) < 0) {
2911 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2914 dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
2918 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2919 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2923 /* now everything is OK, so we can send the connection parameters */
2924 rtsp_reply_header(c, RTSP_STATUS_OK);
2926 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2928 switch(rtp_c->rtp_protocol) {
2929 case RTSP_PROTOCOL_RTP_UDP:
2930 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2931 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2932 "client_port=%d-%d;server_port=%d-%d",
2933 th->client_port_min, th->client_port_min + 1,
2936 case RTSP_PROTOCOL_RTP_TCP:
2937 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2938 stream_index * 2, stream_index * 2 + 1);
2943 if (setup.transport_option[0] != '\0') {
2944 url_fprintf(c->pb, ";%s", setup.transport_option);
2946 url_fprintf(c->pb, "\r\n");
2949 url_fprintf(c->pb, "\r\n");
2953 /* find an rtp connection by using the session ID. Check consistency
2955 static HTTPContext *find_rtp_session_with_url(const char *url,
2956 const char *session_id)
2964 rtp_c = find_rtp_session(session_id);
2968 /* find which url is asked */
2969 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2973 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2974 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2975 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2976 rtp_c->stream->filename, s);
2977 if(!strncmp(path, buf, sizeof(buf))) {
2978 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2985 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2989 rtp_c = find_rtp_session_with_url(url, h->session_id);
2991 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2995 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2996 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2997 rtp_c->state != HTTPSTATE_READY) {
2998 rtsp_reply_error(c, RTSP_STATUS_STATE);
3003 /* XXX: seek in stream */
3004 if (h->range_start != AV_NOPTS_VALUE) {
3005 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
3006 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
3010 rtp_c->state = HTTPSTATE_SEND_DATA;
3012 /* now everything is OK, so we can send the connection parameters */
3013 rtsp_reply_header(c, RTSP_STATUS_OK);
3015 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3016 url_fprintf(c->pb, "\r\n");
3019 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3023 rtp_c = find_rtp_session_with_url(url, h->session_id);
3025 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3029 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3030 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3031 rtsp_reply_error(c, RTSP_STATUS_STATE);
3035 rtp_c->state = HTTPSTATE_READY;
3036 rtp_c->first_pts = AV_NOPTS_VALUE;
3037 /* now everything is OK, so we can send the connection parameters */
3038 rtsp_reply_header(c, RTSP_STATUS_OK);
3040 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3041 url_fprintf(c->pb, "\r\n");
3044 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3048 rtp_c = find_rtp_session_with_url(url, h->session_id);
3050 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3054 /* abort the session */
3055 close_connection(rtp_c);
3057 if (ff_rtsp_callback) {
3058 ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
3060 rtp_c->stream->rtsp_option);
3063 /* now everything is OK, so we can send the connection parameters */
3064 rtsp_reply_header(c, RTSP_STATUS_OK);
3066 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3067 url_fprintf(c->pb, "\r\n");
3071 /********************************************************************/
3074 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3075 FFStream *stream, const char *session_id,
3076 enum RTSPProtocol rtp_protocol)
3078 HTTPContext *c = NULL;
3079 const char *proto_str;
3081 /* XXX: should output a warning page when coming
3082 close to the connection limit */
3083 if (nb_connections >= nb_max_connections)
3086 /* add a new connection */
3087 c = av_mallocz(sizeof(HTTPContext));
3092 c->poll_entry = NULL;
3093 c->from_addr = *from_addr;
3094 c->buffer_size = IOBUFFER_INIT_SIZE;
3095 c->buffer = av_malloc(c->buffer_size);
3100 pstrcpy(c->session_id, sizeof(c->session_id), session_id);
3101 c->state = HTTPSTATE_READY;
3102 c->is_packetized = 1;
3103 c->rtp_protocol = rtp_protocol;
3105 /* protocol is shown in statistics */
3106 switch(c->rtp_protocol) {
3107 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3108 proto_str = "MCAST";
3110 case RTSP_PROTOCOL_RTP_UDP:
3113 case RTSP_PROTOCOL_RTP_TCP:
3120 pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
3121 pstrcat(c->protocol, sizeof(c->protocol), proto_str);
3123 current_bandwidth += stream->bandwidth;
3125 c->next = first_http_ctx;
3137 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3138 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3140 static int rtp_new_av_stream(HTTPContext *c,
3141 int stream_index, struct sockaddr_in *dest_addr,
3142 HTTPContext *rtsp_c)
3144 AVFormatContext *ctx;
3150 int max_packet_size;
3152 /* now we can open the relevant output stream */
3153 ctx = av_alloc_format_context();
3156 ctx->oformat = &rtp_muxer;
3158 st = av_mallocz(sizeof(AVStream));
3161 st->codec= avcodec_alloc_context();
3162 ctx->nb_streams = 1;
3163 ctx->streams[0] = st;
3165 if (!c->stream->feed ||
3166 c->stream->feed == c->stream) {
3167 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3170 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3174 /* build destination RTP address */
3175 ipaddr = inet_ntoa(dest_addr->sin_addr);
3177 switch(c->rtp_protocol) {
3178 case RTSP_PROTOCOL_RTP_UDP:
3179 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3182 /* XXX: also pass as parameter to function ? */
3183 if (c->stream->is_multicast) {
3185 ttl = c->stream->multicast_ttl;
3188 snprintf(ctx->filename, sizeof(ctx->filename),
3189 "rtp://%s:%d?multicast=1&ttl=%d",
3190 ipaddr, ntohs(dest_addr->sin_port), ttl);
3192 snprintf(ctx->filename, sizeof(ctx->filename),
3193 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3196 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3198 c->rtp_handles[stream_index] = h;
3199 max_packet_size = url_get_max_packet_size(h);
3201 case RTSP_PROTOCOL_RTP_TCP:
3204 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3210 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3211 ipaddr, ntohs(dest_addr->sin_port),
3213 c->stream->filename, stream_index, c->protocol);
3215 /* normally, no packets should be output here, but the packet size may be checked */
3216 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3217 /* XXX: close stream */
3220 av_set_parameters(ctx, NULL);
3221 if (av_write_header(ctx) < 0) {
3228 url_close_dyn_buf(&ctx->pb, &dummy_buf);
3231 c->rtp_ctx[stream_index] = ctx;
3235 /********************************************************************/
3236 /* ffserver initialization */
3238 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3242 fst = av_mallocz(sizeof(AVStream));
3245 fst->codec= avcodec_alloc_context();
3246 fst->priv_data = av_mallocz(sizeof(FeedData));
3247 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3248 fst->codec->coded_frame = &dummy_frame;
3249 fst->index = stream->nb_streams;
3250 av_set_pts_info(fst, 33, 1, 90000);
3251 stream->streams[stream->nb_streams++] = fst;
3255 /* return the stream number in the feed */
3256 static int add_av_stream(FFStream *feed, AVStream *st)
3259 AVCodecContext *av, *av1;
3263 for(i=0;i<feed->nb_streams;i++) {
3264 st = feed->streams[i];
3266 if (av1->codec_id == av->codec_id &&
3267 av1->codec_type == av->codec_type &&
3268 av1->bit_rate == av->bit_rate) {
3270 switch(av->codec_type) {
3271 case CODEC_TYPE_AUDIO:
3272 if (av1->channels == av->channels &&
3273 av1->sample_rate == av->sample_rate)
3276 case CODEC_TYPE_VIDEO:
3277 if (av1->width == av->width &&
3278 av1->height == av->height &&
3279 av1->time_base.den == av->time_base.den &&
3280 av1->time_base.num == av->time_base.num &&
3281 av1->gop_size == av->gop_size)
3290 fst = add_av_stream1(feed, av);
3293 return feed->nb_streams - 1;
3298 static void remove_stream(FFStream *stream)
3302 while (*ps != NULL) {
3303 if (*ps == stream) {
3311 /* specific mpeg4 handling : we extract the raw parameters */
3312 static void extract_mpeg4_header(AVFormatContext *infile)
3314 int mpeg4_count, i, size;
3320 for(i=0;i<infile->nb_streams;i++) {
3321 st = infile->streams[i];
3322 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3323 st->codec->extradata_size == 0) {
3330 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3331 while (mpeg4_count > 0) {
3332 if (av_read_packet(infile, &pkt) < 0)
3334 st = infile->streams[pkt.stream_index];
3335 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3336 st->codec->extradata_size == 0) {
3337 av_freep(&st->codec->extradata);
3338 /* fill extradata with the header */
3339 /* XXX: we make hard suppositions here ! */
3341 while (p < pkt.data + pkt.size - 4) {
3342 /* stop when vop header is found */
3343 if (p[0] == 0x00 && p[1] == 0x00 &&
3344 p[2] == 0x01 && p[3] == 0xb6) {
3345 size = p - pkt.data;
3346 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3347 st->codec->extradata = av_malloc(size);
3348 st->codec->extradata_size = size;
3349 memcpy(st->codec->extradata, pkt.data, size);
3356 av_free_packet(&pkt);
3360 /* compute the needed AVStream for each file */
3361 static void build_file_streams(void)
3363 FFStream *stream, *stream_next;
3364 AVFormatContext *infile;
3367 /* gather all streams */
3368 for(stream = first_stream; stream != NULL; stream = stream_next) {
3369 stream_next = stream->next;
3370 if (stream->stream_type == STREAM_TYPE_LIVE &&
3372 /* the stream comes from a file */
3373 /* try to open the file */
3375 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3376 if (stream->fmt == &rtp_muxer) {
3377 /* specific case : if transport stream output to RTP,
3378 we use a raw transport stream reader */
3379 stream->ap_in->mpeg2ts_raw = 1;
3380 stream->ap_in->mpeg2ts_compute_pcr = 1;
3383 if (av_open_input_file(&infile, stream->feed_filename,
3384 stream->ifmt, 0, stream->ap_in) < 0) {
3385 http_log("%s not found", stream->feed_filename);
3386 /* remove stream (no need to spend more time on it) */
3388 remove_stream(stream);
3390 /* find all the AVStreams inside and reference them in
3392 if (av_find_stream_info(infile) < 0) {
3393 http_log("Could not find codec parameters from '%s'",
3394 stream->feed_filename);
3395 av_close_input_file(infile);
3398 extract_mpeg4_header(infile);
3400 for(i=0;i<infile->nb_streams;i++) {
3401 add_av_stream1(stream, infile->streams[i]->codec);
3403 av_close_input_file(infile);
3409 /* compute the needed AVStream for each feed */
3410 static void build_feed_streams(void)
3412 FFStream *stream, *feed;
3415 /* gather all streams */
3416 for(stream = first_stream; stream != NULL; stream = stream->next) {
3417 feed = stream->feed;
3419 if (!stream->is_feed) {
3420 /* we handle a stream coming from a feed */
3421 for(i=0;i<stream->nb_streams;i++) {
3422 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3428 /* gather all streams */
3429 for(stream = first_stream; stream != NULL; stream = stream->next) {
3430 feed = stream->feed;
3432 if (stream->is_feed) {
3433 for(i=0;i<stream->nb_streams;i++) {
3434 stream->feed_streams[i] = i;
3440 /* create feed files if needed */
3441 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3444 if (url_exist(feed->feed_filename)) {
3445 /* See if it matches */
3449 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3450 /* Now see if it matches */
3451 if (s->nb_streams == feed->nb_streams) {
3453 for(i=0;i<s->nb_streams;i++) {
3455 sf = feed->streams[i];
3458 if (sf->index != ss->index ||
3460 printf("Index & Id do not match for stream %d (%s)\n",
3461 i, feed->feed_filename);
3464 AVCodecContext *ccf, *ccs;
3468 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3470 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3471 printf("Codecs do not match for stream %d\n", i);
3473 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3474 printf("Codec bitrates do not match for stream %d\n", i);
3476 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3477 if (CHECK_CODEC(time_base.den) ||
3478 CHECK_CODEC(time_base.num) ||
3479 CHECK_CODEC(width) ||
3480 CHECK_CODEC(height)) {
3481 printf("Codec width, height and framerate do not match for stream %d\n", i);
3484 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3485 if (CHECK_CODEC(sample_rate) ||
3486 CHECK_CODEC(channels) ||
3487 CHECK_CODEC(frame_size)) {
3488 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3492 printf("Unknown codec type\n");
3501 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3502 feed->feed_filename, s->nb_streams, feed->nb_streams);
3505 av_close_input_file(s);
3507 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3508 feed->feed_filename);
3511 if (feed->readonly) {
3512 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3513 feed->feed_filename);
3516 unlink(feed->feed_filename);
3519 if (!url_exist(feed->feed_filename)) {
3520 AVFormatContext s1, *s = &s1;
3522 if (feed->readonly) {
3523 printf("Unable to create feed file '%s' as it is marked readonly\n",
3524 feed->feed_filename);
3528 /* only write the header of the ffm file */
3529 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3530 fprintf(stderr, "Could not open output feed file '%s'\n",
3531 feed->feed_filename);
3534 s->oformat = feed->fmt;
3535 s->nb_streams = feed->nb_streams;
3536 for(i=0;i<s->nb_streams;i++) {
3538 st = feed->streams[i];
3541 av_set_parameters(s, NULL);
3542 if (av_write_header(s) < 0) {
3543 fprintf(stderr, "Container doesn't supports the required parameters\n");
3546 /* XXX: need better api */
3547 av_freep(&s->priv_data);
3550 /* get feed size and write index */
3551 fd = open(feed->feed_filename, O_RDONLY);
3553 fprintf(stderr, "Could not open output feed file '%s'\n",
3554 feed->feed_filename);
3558 feed->feed_write_index = ffm_read_write_index(fd);
3559 feed->feed_size = lseek(fd, 0, SEEK_END);
3560 /* ensure that we do not wrap before the end of file */
3561 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3562 feed->feed_max_size = feed->feed_size;
3568 /* compute the bandwidth used by each stream */
3569 static void compute_bandwidth(void)
3574 for(stream = first_stream; stream != NULL; stream = stream->next) {
3576 for(i=0;i<stream->nb_streams;i++) {
3577 AVStream *st = stream->streams[i];
3578 switch(st->codec->codec_type) {
3579 case CODEC_TYPE_AUDIO:
3580 case CODEC_TYPE_VIDEO:
3581 bandwidth += st->codec->bit_rate;
3587 stream->bandwidth = (bandwidth + 999) / 1000;
3591 static void get_arg(char *buf, int buf_size, const char **pp)
3598 while (isspace(*p)) p++;
3601 if (*p == '\"' || *p == '\'')
3613 if ((q - buf) < buf_size - 1)
3618 if (quote && *p == quote)
3623 /* add a codec and set the default parameters */
3624 static void add_codec(FFStream *stream, AVCodecContext *av)
3628 /* compute default parameters */
3629 switch(av->codec_type) {
3630 case CODEC_TYPE_AUDIO:
3631 if (av->bit_rate == 0)
3632 av->bit_rate = 64000;
3633 if (av->sample_rate == 0)
3634 av->sample_rate = 22050;
3635 if (av->channels == 0)
3638 case CODEC_TYPE_VIDEO:
3639 if (av->bit_rate == 0)
3640 av->bit_rate = 64000;
3641 if (av->time_base.num == 0){
3642 av->time_base.den = 5;
3643 av->time_base.num = 1;
3645 if (av->width == 0 || av->height == 0) {
3649 /* Bitrate tolerance is less for streaming */
3650 if (av->bit_rate_tolerance == 0)
3651 av->bit_rate_tolerance = av->bit_rate / 4;
3656 if (av->max_qdiff == 0)
3658 av->qcompress = 0.5;
3661 if (!av->nsse_weight)
3662 av->nsse_weight = 8;
3664 av->frame_skip_cmp = FF_CMP_DCTMAX;
3665 av->me_method = ME_EPZS;
3666 av->rc_buffer_aggressivity = 1.0;
3669 av->rc_eq = "tex^qComp";
3670 if (!av->i_quant_factor)
3671 av->i_quant_factor = -0.8;
3672 if (!av->b_quant_factor)
3673 av->b_quant_factor = 1.25;
3674 if (!av->b_quant_offset)
3675 av->b_quant_offset = 1.25;
3676 if (!av->rc_max_rate)
3677 av->rc_max_rate = av->bit_rate * 2;
3679 if (av->rc_max_rate && !av->rc_buffer_size) {
3680 av->rc_buffer_size = av->rc_max_rate;
3689 st = av_mallocz(sizeof(AVStream));
3692 st->codec = avcodec_alloc_context();
3693 stream->streams[stream->nb_streams++] = st;
3694 memcpy(st->codec, av, sizeof(AVCodecContext));
3697 static int opt_audio_codec(const char *arg)
3703 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
3708 return CODEC_ID_NONE;
3714 static int opt_video_codec(const char *arg)
3720 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
3725 return CODEC_ID_NONE;
3731 /* simplistic plugin support */
3734 static void load_module(const char *filename)
3737 void (*init_func)(void);
3738 dll = dlopen(filename, RTLD_NOW);
3740 fprintf(stderr, "Could not load module '%s' - %s\n",
3741 filename, dlerror());
3745 init_func = dlsym(dll, "ffserver_module_init");
3748 "%s: init function 'ffserver_module_init()' not found\n",
3757 static int parse_ffconfig(const char *filename)
3764 int val, errors, line_num;
3765 FFStream **last_stream, *stream, *redirect;
3766 FFStream **last_feed, *feed;
3767 AVCodecContext audio_enc, video_enc;
3768 int audio_id, video_id;
3770 f = fopen(filename, "r");
3778 first_stream = NULL;
3779 last_stream = &first_stream;
3781 last_feed = &first_feed;
3785 audio_id = CODEC_ID_NONE;
3786 video_id = CODEC_ID_NONE;
3788 if (fgets(line, sizeof(line), f) == NULL)
3794 if (*p == '\0' || *p == '#')
3797 get_arg(cmd, sizeof(cmd), &p);
3799 if (!strcasecmp(cmd, "Port")) {
3800 get_arg(arg, sizeof(arg), &p);
3801 my_http_addr.sin_port = htons (atoi(arg));
3802 } else if (!strcasecmp(cmd, "BindAddress")) {
3803 get_arg(arg, sizeof(arg), &p);
3804 if (!inet_aton(arg, &my_http_addr.sin_addr)) {
3805 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3806 filename, line_num, arg);
3809 } else if (!strcasecmp(cmd, "NoDaemon")) {
3810 ffserver_daemon = 0;
3811 } else if (!strcasecmp(cmd, "RTSPPort")) {
3812 get_arg(arg, sizeof(arg), &p);
3813 my_rtsp_addr.sin_port = htons (atoi(arg));
3814 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3815 get_arg(arg, sizeof(arg), &p);
3816 if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
3817 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
3818 filename, line_num, arg);
3821 } else if (!strcasecmp(cmd, "MaxClients")) {
3822 get_arg(arg, sizeof(arg), &p);
3824 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3825 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3826 filename, line_num, arg);
3829 nb_max_connections = val;
3831 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3832 get_arg(arg, sizeof(arg), &p);
3834 if (val < 10 || val > 100000) {
3835 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3836 filename, line_num, arg);
3839 max_bandwidth = val;
3841 } else if (!strcasecmp(cmd, "CustomLog")) {
3842 get_arg(logfilename, sizeof(logfilename), &p);
3843 } else if (!strcasecmp(cmd, "<Feed")) {
3844 /*********************************************/
3845 /* Feed related options */
3847 if (stream || feed) {
3848 fprintf(stderr, "%s:%d: Already in a tag\n",
3849 filename, line_num);
3851 feed = av_mallocz(sizeof(FFStream));
3852 /* add in stream list */
3853 *last_stream = feed;
3854 last_stream = &feed->next;
3855 /* add in feed list */
3857 last_feed = &feed->next_feed;
3859 get_arg(feed->filename, sizeof(feed->filename), &p);
3860 q = strrchr(feed->filename, '>');
3863 feed->fmt = guess_format("ffm", NULL, NULL);
3864 /* defaut feed file */
3865 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3866 "/tmp/%s.ffm", feed->filename);
3867 feed->feed_max_size = 5 * 1024 * 1024;
3869 feed->feed = feed; /* self feeding :-) */
3871 } else if (!strcasecmp(cmd, "Launch")) {
3875 feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
3877 for (i = 0; i < 62; i++) {
3880 get_arg(argbuf, sizeof(argbuf), &p);
3884 feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
3885 strcpy(feed->child_argv[i], argbuf);
3888 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3890 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3892 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3893 inet_ntoa(my_http_addr.sin_addr),
3894 ntohs(my_http_addr.sin_port), feed->filename);
3899 fprintf(stdout, "Launch commandline: ");
3900 for (j = 0; j <= i; j++)
3901 fprintf(stdout, "%s ", feed->child_argv[j]);
3902 fprintf(stdout, "\n");
3905 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3907 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3909 } else if (stream) {
3910 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3912 } else if (!strcasecmp(cmd, "File")) {
3914 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3915 } else if (stream) {
3916 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3918 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3923 get_arg(arg, sizeof(arg), &p);
3925 fsize = strtod(p1, (char **)&p1);
3926 switch(toupper(*p1)) {
3931 fsize *= 1024 * 1024;
3934 fsize *= 1024 * 1024 * 1024;
3937 feed->feed_max_size = (int64_t)fsize;
3939 } else if (!strcasecmp(cmd, "</Feed>")) {
3941 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3942 filename, line_num);
3946 /* Make sure that we start out clean */
3947 if (unlink(feed->feed_filename) < 0
3948 && errno != ENOENT) {
3949 fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
3950 filename, line_num, feed->feed_filename, strerror(errno));
3956 } else if (!strcasecmp(cmd, "<Stream")) {
3957 /*********************************************/
3958 /* Stream related options */
3960 if (stream || feed) {
3961 fprintf(stderr, "%s:%d: Already in a tag\n",
3962 filename, line_num);
3964 stream = av_mallocz(sizeof(FFStream));
3965 *last_stream = stream;
3966 last_stream = &stream->next;
3968 get_arg(stream->filename, sizeof(stream->filename), &p);
3969 q = strrchr(stream->filename, '>');
3972 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3973 memset(&audio_enc, 0, sizeof(AVCodecContext));
3974 memset(&video_enc, 0, sizeof(AVCodecContext));
3975 audio_id = CODEC_ID_NONE;
3976 video_id = CODEC_ID_NONE;
3978 audio_id = stream->fmt->audio_codec;
3979 video_id = stream->fmt->video_codec;
3982 } else if (!strcasecmp(cmd, "Feed")) {
3983 get_arg(arg, sizeof(arg), &p);
3988 while (sfeed != NULL) {
3989 if (!strcmp(sfeed->filename, arg))
3991 sfeed = sfeed->next_feed;
3994 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3995 filename, line_num, arg);
3997 stream->feed = sfeed;
4000 } else if (!strcasecmp(cmd, "Format")) {
4001 get_arg(arg, sizeof(arg), &p);
4002 if (!strcmp(arg, "status")) {
4003 stream->stream_type = STREAM_TYPE_STATUS;
4006 stream->stream_type = STREAM_TYPE_LIVE;
4007 /* jpeg cannot be used here, so use single frame jpeg */
4008 if (!strcmp(arg, "jpeg"))
4009 strcpy(arg, "mjpeg");
4010 stream->fmt = guess_stream_format(arg, NULL, NULL);
4012 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
4013 filename, line_num, arg);
4018 audio_id = stream->fmt->audio_codec;
4019 video_id = stream->fmt->video_codec;
4021 } else if (!strcasecmp(cmd, "InputFormat")) {
4022 stream->ifmt = av_find_input_format(arg);
4023 if (!stream->ifmt) {
4024 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4025 filename, line_num, arg);
4027 } else if (!strcasecmp(cmd, "FaviconURL")) {
4028 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4029 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4031 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4032 filename, line_num);
4035 } else if (!strcasecmp(cmd, "Author")) {
4037 get_arg(stream->author, sizeof(stream->author), &p);
4039 } else if (!strcasecmp(cmd, "Comment")) {
4041 get_arg(stream->comment, sizeof(stream->comment), &p);
4043 } else if (!strcasecmp(cmd, "Copyright")) {
4045 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4047 } else if (!strcasecmp(cmd, "Title")) {
4049 get_arg(stream->title, sizeof(stream->title), &p);
4051 } else if (!strcasecmp(cmd, "Preroll")) {
4052 get_arg(arg, sizeof(arg), &p);
4054 stream->prebuffer = atof(arg) * 1000;
4056 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4058 stream->send_on_key = 1;
4060 } else if (!strcasecmp(cmd, "AudioCodec")) {
4061 get_arg(arg, sizeof(arg), &p);
4062 audio_id = opt_audio_codec(arg);
4063 if (audio_id == CODEC_ID_NONE) {
4064 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4065 filename, line_num, arg);
4068 } else if (!strcasecmp(cmd, "VideoCodec")) {
4069 get_arg(arg, sizeof(arg), &p);
4070 video_id = opt_video_codec(arg);
4071 if (video_id == CODEC_ID_NONE) {
4072 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4073 filename, line_num, arg);
4076 } else if (!strcasecmp(cmd, "MaxTime")) {
4077 get_arg(arg, sizeof(arg), &p);
4079 stream->max_time = atof(arg) * 1000;
4081 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4082 get_arg(arg, sizeof(arg), &p);
4084 audio_enc.bit_rate = atoi(arg) * 1000;
4086 } else if (!strcasecmp(cmd, "AudioChannels")) {
4087 get_arg(arg, sizeof(arg), &p);
4089 audio_enc.channels = atoi(arg);
4091 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4092 get_arg(arg, sizeof(arg), &p);
4094 audio_enc.sample_rate = atoi(arg);
4096 } else if (!strcasecmp(cmd, "AudioQuality")) {
4097 get_arg(arg, sizeof(arg), &p);
4099 // audio_enc.quality = atof(arg) * 1000;
4101 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4103 int minrate, maxrate;
4105 get_arg(arg, sizeof(arg), &p);
4107 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4108 video_enc.rc_min_rate = minrate * 1000;
4109 video_enc.rc_max_rate = maxrate * 1000;
4111 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4112 filename, line_num, arg);
4116 } else if (!strcasecmp(cmd, "Debug")) {
4118 get_arg(arg, sizeof(arg), &p);
4119 video_enc.debug = strtol(arg,0,0);
4121 } else if (!strcasecmp(cmd, "Strict")) {
4123 get_arg(arg, sizeof(arg), &p);
4124 video_enc.strict_std_compliance = atoi(arg);
4126 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4128 get_arg(arg, sizeof(arg), &p);
4129 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4131 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4133 get_arg(arg, sizeof(arg), &p);
4134 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4136 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4137 get_arg(arg, sizeof(arg), &p);
4139 video_enc.bit_rate = atoi(arg) * 1000;
4141 } else if (!strcasecmp(cmd, "VideoSize")) {
4142 get_arg(arg, sizeof(arg), &p);
4144 parse_image_size(&video_enc.width, &video_enc.height, arg);
4145 if ((video_enc.width % 16) != 0 ||
4146 (video_enc.height % 16) != 0) {
4147 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4148 filename, line_num);
4152 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4153 get_arg(arg, sizeof(arg), &p);
4155 video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
4156 video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
4158 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4159 get_arg(arg, sizeof(arg), &p);
4161 video_enc.gop_size = atoi(arg);
4163 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4165 video_enc.gop_size = 1;
4167 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4169 video_enc.mb_decision = FF_MB_DECISION_BITS;
4171 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4173 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4174 video_enc.flags |= CODEC_FLAG_4MV;
4176 } else if (!strcasecmp(cmd, "VideoTag")) {
4177 get_arg(arg, sizeof(arg), &p);
4178 if ((strlen(arg) == 4) && stream) {
4179 video_enc.codec_tag = ff_get_fourcc(arg);
4181 } else if (!strcasecmp(cmd, "BitExact")) {
4183 video_enc.flags |= CODEC_FLAG_BITEXACT;
4185 } else if (!strcasecmp(cmd, "DctFastint")) {
4187 video_enc.dct_algo = FF_DCT_FASTINT;
4189 } else if (!strcasecmp(cmd, "IdctSimple")) {
4191 video_enc.idct_algo = FF_IDCT_SIMPLE;
4193 } else if (!strcasecmp(cmd, "Qscale")) {
4194 get_arg(arg, sizeof(arg), &p);
4196 video_enc.flags |= CODEC_FLAG_QSCALE;
4197 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4199 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4200 get_arg(arg, sizeof(arg), &p);
4202 video_enc.max_qdiff = atoi(arg);
4203 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4204 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4205 filename, line_num);
4209 } else if (!strcasecmp(cmd, "VideoQMax")) {
4210 get_arg(arg, sizeof(arg), &p);
4212 video_enc.qmax = atoi(arg);
4213 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4214 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4215 filename, line_num);
4219 } else if (!strcasecmp(cmd, "VideoQMin")) {
4220 get_arg(arg, sizeof(arg), &p);
4222 video_enc.qmin = atoi(arg);
4223 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4224 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4225 filename, line_num);
4229 } else if (!strcasecmp(cmd, "LumaElim")) {
4230 get_arg(arg, sizeof(arg), &p);
4232 video_enc.luma_elim_threshold = atoi(arg);
4234 } else if (!strcasecmp(cmd, "ChromaElim")) {
4235 get_arg(arg, sizeof(arg), &p);
4237 video_enc.chroma_elim_threshold = atoi(arg);
4239 } else if (!strcasecmp(cmd, "LumiMask")) {
4240 get_arg(arg, sizeof(arg), &p);
4242 video_enc.lumi_masking = atof(arg);
4244 } else if (!strcasecmp(cmd, "DarkMask")) {
4245 get_arg(arg, sizeof(arg), &p);
4247 video_enc.dark_masking = atof(arg);
4249 } else if (!strcasecmp(cmd, "NoVideo")) {
4250 video_id = CODEC_ID_NONE;
4251 } else if (!strcasecmp(cmd, "NoAudio")) {
4252 audio_id = CODEC_ID_NONE;
4253 } else if (!strcasecmp(cmd, "ACL")) {
4257 get_arg(arg, sizeof(arg), &p);
4258 if (strcasecmp(arg, "allow") == 0) {
4259 acl.action = IP_ALLOW;
4260 } else if (strcasecmp(arg, "deny") == 0) {
4261 acl.action = IP_DENY;
4263 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4264 filename, line_num, arg);
4268 get_arg(arg, sizeof(arg), &p);
4270 he = gethostbyname(arg);
4272 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4273 filename, line_num, arg);
4276 /* Only take the first */
4277 acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4278 acl.last = acl.first;
4281 get_arg(arg, sizeof(arg), &p);
4284 he = gethostbyname(arg);
4286 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4287 filename, line_num, arg);
4290 /* Only take the first */
4291 acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
4296 IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
4297 IPAddressACL **naclp = 0;
4303 naclp = &stream->acl;
4307 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4308 filename, line_num);
4314 naclp = &(*naclp)->next;
4319 } else if (!strcasecmp(cmd, "RTSPOption")) {
4320 get_arg(arg, sizeof(arg), &p);
4322 av_freep(&stream->rtsp_option);
4323 stream->rtsp_option = av_strdup(arg);
4325 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4326 get_arg(arg, sizeof(arg), &p);
4328 if (!inet_aton(arg, &stream->multicast_ip)) {
4329 fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
4330 filename, line_num, arg);
4333 stream->is_multicast = 1;
4334 stream->loop = 1; /* default is looping */
4336 } else if (!strcasecmp(cmd, "MulticastPort")) {
4337 get_arg(arg, sizeof(arg), &p);
4339 stream->multicast_port = atoi(arg);
4341 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4342 get_arg(arg, sizeof(arg), &p);
4344 stream->multicast_ttl = atoi(arg);
4346 } else if (!strcasecmp(cmd, "NoLoop")) {
4350 } else if (!strcasecmp(cmd, "</Stream>")) {
4352 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4353 filename, line_num);
4356 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4357 if (audio_id != CODEC_ID_NONE) {
4358 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4359 audio_enc.codec_id = audio_id;
4360 add_codec(stream, &audio_enc);
4362 if (video_id != CODEC_ID_NONE) {
4363 video_enc.codec_type = CODEC_TYPE_VIDEO;
4364 video_enc.codec_id = video_id;
4365 add_codec(stream, &video_enc);
4369 } else if (!strcasecmp(cmd, "<Redirect")) {
4370 /*********************************************/
4372 if (stream || feed || redirect) {
4373 fprintf(stderr, "%s:%d: Already in a tag\n",
4374 filename, line_num);
4377 redirect = av_mallocz(sizeof(FFStream));
4378 *last_stream = redirect;
4379 last_stream = &redirect->next;
4381 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4382 q = strrchr(redirect->filename, '>');
4385 redirect->stream_type = STREAM_TYPE_REDIRECT;
4387 } else if (!strcasecmp(cmd, "URL")) {
4389 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4391 } else if (!strcasecmp(cmd, "</Redirect>")) {
4393 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4394 filename, line_num);
4397 if (!redirect->feed_filename[0]) {
4398 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4399 filename, line_num);
4403 } else if (!strcasecmp(cmd, "LoadModule")) {
4404 get_arg(arg, sizeof(arg), &p);
4408 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4409 filename, line_num, arg);
4413 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4414 filename, line_num, cmd);
4426 static void show_banner(void)
4428 printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2006 Fabrice Bellard, et al.\n");
4431 static void show_help(void)
4434 printf("usage: ffserver [-L] [-h] [-f configfile]\n"
4435 "Hyper fast multi format Audio/Video streaming server\n"
4437 "-L : print the LICENSE\n"
4439 "-f configfile : use configfile instead of /etc/ffserver.conf\n"
4443 static void show_license(void)
4447 "FFmpeg is free software; you can redistribute it and/or\n"
4448 "modify it under the terms of the GNU Lesser General Public\n"
4449 "License as published by the Free Software Foundation; either\n"
4450 "version 2.1 of the License, or (at your option) any later version.\n"
4452 "FFmpeg is distributed in the hope that it will be useful,\n"
4453 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4454 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4455 "Lesser General Public License for more details.\n"
4457 "You should have received a copy of the GNU Lesser General Public\n"
4458 "License along with FFmpeg; if not, write to the Free Software\n"
4459 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
4463 static void handle_child_exit(int sig)
4468 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4471 for (feed = first_feed; feed; feed = feed->next) {
4472 if (feed->pid == pid) {
4473 int uptime = time(0) - feed->pid_start;
4476 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4479 /* Turn off any more restarts */
4480 feed->child_argv = 0;
4486 need_to_start_children = 1;
4489 int main(int argc, char **argv)
4491 const char *config_filename;
4493 struct sigaction sigact;
4497 config_filename = "/etc/ffserver.conf";
4499 my_program_name = argv[0];
4500 my_program_dir = getcwd(0, 0);
4501 ffserver_daemon = 1;
4504 c = getopt(argc, argv, "ndLh?f:");
4520 ffserver_daemon = 0;
4523 config_filename = optarg;
4530 putenv("http_proxy"); /* Kill the http_proxy */
4532 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4534 /* address on which the server will handle HTTP connections */
4535 my_http_addr.sin_family = AF_INET;
4536 my_http_addr.sin_port = htons (8080);
4537 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4539 /* address on which the server will handle RTSP connections */
4540 my_rtsp_addr.sin_family = AF_INET;
4541 my_rtsp_addr.sin_port = htons (5454);
4542 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4544 nb_max_connections = 5;
4545 max_bandwidth = 1000;
4546 first_stream = NULL;
4547 logfilename[0] = '\0';
4549 memset(&sigact, 0, sizeof(sigact));
4550 sigact.sa_handler = handle_child_exit;
4551 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4552 sigaction(SIGCHLD, &sigact, 0);
4554 if (parse_ffconfig(config_filename) < 0) {
4555 fprintf(stderr, "Incorrect config file - exiting.\n");
4559 build_file_streams();
4561 build_feed_streams();
4563 compute_bandwidth();
4565 /* put the process in background and detach it from its TTY */
4566 if (ffserver_daemon) {
4573 } else if (pid > 0) {
4581 open("/dev/null", O_RDWR);
4582 if (strcmp(logfilename, "-") != 0) {
4592 signal(SIGPIPE, SIG_IGN);
4594 /* open log file if needed */
4595 if (logfilename[0] != '\0') {
4596 if (!strcmp(logfilename, "-"))
4599 logfile = fopen(logfilename, "w");
4602 if (http_server() < 0) {
4603 fprintf(stderr, "Could not start server\n");