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
22 #define _XOPEN_SOURCE 600
26 #define closesocket close
31 /* avformat.h defines LIBAVFORMAT_BUILD, include it before all the other libav* headers which use it */
32 #include "libavformat/avformat.h"
33 #include "libavformat/network.h"
34 #include "libavformat/os_support.h"
35 #include "libavformat/rtpdec.h"
36 #include "libavformat/rtsp.h"
37 #include "libavutil/avstring.h"
38 #include "libavutil/lfg.h"
39 #include "libavutil/random_seed.h"
40 #include "libavutil/intreadwrite.h"
41 #include "libavcodec/opt.h"
45 #include <sys/ioctl.h>
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
63 const char program_name[] = "FFserver";
64 const int program_birth_year = 2000;
66 static const OptionDef options[];
69 HTTPSTATE_WAIT_REQUEST,
70 HTTPSTATE_SEND_HEADER,
71 HTTPSTATE_SEND_DATA_HEADER,
72 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
73 HTTPSTATE_SEND_DATA_TRAILER,
74 HTTPSTATE_RECEIVE_DATA,
75 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
78 RTSPSTATE_WAIT_REQUEST,
80 RTSPSTATE_SEND_PACKET,
83 static const char *http_state[] = {
99 #define IOBUFFER_INIT_SIZE 8192
101 /* timeouts are in ms */
102 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
103 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
105 #define SYNC_TIMEOUT (10 * 1000)
107 typedef struct RTSPActionServerSetup {
109 char transport_option[512];
110 } RTSPActionServerSetup;
113 int64_t count1, count2;
114 int64_t time1, time2;
117 /* context associated with one connection */
118 typedef struct HTTPContext {
119 enum HTTPState state;
120 int fd; /* socket file descriptor */
121 struct sockaddr_in from_addr; /* origin */
122 struct pollfd *poll_entry; /* used when polling */
124 uint8_t *buffer_ptr, *buffer_end;
127 struct HTTPContext *next;
128 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
132 /* input format handling */
133 AVFormatContext *fmt_in;
134 int64_t start_time; /* In milliseconds - this wraps fairly often */
135 int64_t first_pts; /* initial pts value */
136 int64_t cur_pts; /* current pts value from the stream in us */
137 int64_t cur_frame_duration; /* duration of the current frame in us */
138 int cur_frame_bytes; /* output frame size, needed to compute
139 the time at which we send each
141 int pts_stream_index; /* stream we choose as clock reference */
142 int64_t cur_clock; /* current clock reference value in us */
143 /* output format handling */
144 struct FFStream *stream;
145 /* -1 is invalid stream */
146 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
147 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
149 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
150 int last_packet_sent; /* true if last data packet was sent */
152 DataRateData datarate;
159 int is_packetized; /* if true, the stream is packetized */
160 int packet_stream_index; /* current stream for output in state machine */
162 /* RTSP state specific */
163 uint8_t *pb_buffer; /* XXX: use that in all the code */
165 int seq; /* RTSP sequence number */
167 /* RTP state specific */
168 enum RTSPLowerTransport rtp_protocol;
169 char session_id[32]; /* session id */
170 AVFormatContext *rtp_ctx[MAX_STREAMS];
172 /* RTP/UDP specific */
173 URLContext *rtp_handles[MAX_STREAMS];
175 /* RTP/TCP specific */
176 struct HTTPContext *rtsp_c;
177 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
180 /* each generated stream is described here */
184 STREAM_TYPE_REDIRECT,
187 enum IPAddressAction {
192 typedef struct IPAddressACL {
193 struct IPAddressACL *next;
194 enum IPAddressAction action;
195 /* These are in host order */
196 struct in_addr first;
200 /* description of each stream of the ffserver.conf file */
201 typedef struct FFStream {
202 enum StreamType stream_type;
203 char filename[1024]; /* stream filename */
204 struct FFStream *feed; /* feed we are using (can be null if
206 AVFormatParameters *ap_in; /* input parameters */
207 AVInputFormat *ifmt; /* if non NULL, force input format */
211 int prebuffer; /* Number of millseconds early to start */
212 int64_t max_time; /* Number of milliseconds to run */
214 AVStream *streams[MAX_STREAMS];
215 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
216 char feed_filename[1024]; /* file name of the feed storage, or
217 input file name for a stream */
222 pid_t pid; /* Of ffmpeg process */
223 time_t pid_start; /* Of ffmpeg process */
225 struct FFStream *next;
226 unsigned bandwidth; /* bandwidth, in kbits/s */
229 /* multicast specific */
231 struct in_addr multicast_ip;
232 int multicast_port; /* first port used for multicast */
234 int loop; /* if true, send the stream in loops (only meaningful if file) */
237 int feed_opened; /* true if someone is writing to the feed */
238 int is_feed; /* true if it is a feed */
239 int readonly; /* True if writing is prohibited to the file */
241 int64_t bytes_served;
242 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
243 int64_t feed_write_index; /* current write position in feed (it wraps around) */
244 int64_t feed_size; /* current size of feed */
245 struct FFStream *next_feed;
248 typedef struct FeedData {
249 long long data_count;
250 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
253 static struct sockaddr_in my_http_addr;
254 static struct sockaddr_in my_rtsp_addr;
256 static char logfilename[1024];
257 static HTTPContext *first_http_ctx;
258 static FFStream *first_feed; /* contains only feeds */
259 static FFStream *first_stream; /* contains all streams, including feeds */
261 static void new_connection(int server_fd, int is_rtsp);
262 static void close_connection(HTTPContext *c);
265 static int handle_connection(HTTPContext *c);
266 static int http_parse_request(HTTPContext *c);
267 static int http_send_data(HTTPContext *c);
268 static void compute_status(HTTPContext *c);
269 static int open_input_stream(HTTPContext *c, const char *info);
270 static int http_start_receive_data(HTTPContext *c);
271 static int http_receive_data(HTTPContext *c);
274 static int rtsp_parse_request(HTTPContext *c);
275 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
276 static void rtsp_cmd_options(HTTPContext *c, const char *url);
277 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
278 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
279 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
280 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
283 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
284 struct in_addr my_ip);
287 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
288 FFStream *stream, const char *session_id,
289 enum RTSPLowerTransport rtp_protocol);
290 static int rtp_new_av_stream(HTTPContext *c,
291 int stream_index, struct sockaddr_in *dest_addr,
292 HTTPContext *rtsp_c);
294 static const char *my_program_name;
295 static const char *my_program_dir;
297 static const char *config_filename;
298 static int ffserver_debug;
299 static int ffserver_daemon;
300 static int no_launch;
301 static int need_to_start_children;
303 /* maximum number of simultaneous HTTP connections */
304 static unsigned int nb_max_http_connections = 2000;
305 static unsigned int nb_max_connections = 5;
306 static unsigned int nb_connections;
308 static uint64_t max_bandwidth = 1000;
309 static uint64_t current_bandwidth;
311 static int64_t cur_time; // Making this global saves on passing it around everywhere
313 static AVLFG random_state;
315 static FILE *logfile = NULL;
317 static char *ctime1(char *buf2)
325 p = buf2 + strlen(p) - 1;
331 static void http_vlog(const char *fmt, va_list vargs)
333 static int print_prefix = 1;
338 fprintf(logfile, "%s ", buf);
340 print_prefix = strstr(fmt, "\n") != NULL;
341 vfprintf(logfile, fmt, vargs);
346 void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
349 va_start(vargs, fmt);
350 http_vlog(fmt, vargs);
354 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
356 static int print_prefix = 1;
357 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
358 if (level > av_log_get_level())
360 if (print_prefix && avc)
361 http_log("[%s @ %p]", avc->item_name(ptr), ptr);
362 print_prefix = strstr(fmt, "\n") != NULL;
363 http_vlog(fmt, vargs);
366 static void log_connection(HTTPContext *c)
371 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
372 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
373 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
376 static void update_datarate(DataRateData *drd, int64_t count)
378 if (!drd->time1 && !drd->count1) {
379 drd->time1 = drd->time2 = cur_time;
380 drd->count1 = drd->count2 = count;
381 } else if (cur_time - drd->time2 > 5000) {
382 drd->time1 = drd->time2;
383 drd->count1 = drd->count2;
384 drd->time2 = cur_time;
389 /* In bytes per second */
390 static int compute_datarate(DataRateData *drd, int64_t count)
392 if (cur_time == drd->time1)
395 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
399 static void start_children(FFStream *feed)
404 for (; feed; feed = feed->next) {
405 if (feed->child_argv && !feed->pid) {
406 feed->pid_start = time(0);
411 http_log("Unable to create children\n");
420 av_strlcpy(pathname, my_program_name, sizeof(pathname));
422 slash = strrchr(pathname, '/');
427 strcpy(slash, "ffmpeg");
429 http_log("Launch commandline: ");
430 http_log("%s ", pathname);
431 for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
432 http_log("%s ", feed->child_argv[i]);
435 for (i = 3; i < 256; i++)
438 if (!ffserver_debug) {
439 i = open("/dev/null", O_RDWR);
448 /* This is needed to make relative pathnames work */
449 chdir(my_program_dir);
451 signal(SIGPIPE, SIG_DFL);
453 execvp(pathname, feed->child_argv);
461 /* open a listening socket */
462 static int socket_open_listen(struct sockaddr_in *my_addr)
466 server_fd = socket(AF_INET,SOCK_STREAM,0);
473 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
475 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
477 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
479 closesocket(server_fd);
483 if (listen (server_fd, 5) < 0) {
485 closesocket(server_fd);
488 ff_socket_nonblock(server_fd, 1);
493 /* start all multicast streams */
494 static void start_multicast(void)
499 struct sockaddr_in dest_addr;
500 int default_port, stream_index;
503 for(stream = first_stream; stream != NULL; stream = stream->next) {
504 if (stream->is_multicast) {
505 /* open the RTP connection */
506 snprintf(session_id, sizeof(session_id), "%08x%08x",
507 av_lfg_get(&random_state), av_lfg_get(&random_state));
509 /* choose a port if none given */
510 if (stream->multicast_port == 0) {
511 stream->multicast_port = default_port;
515 dest_addr.sin_family = AF_INET;
516 dest_addr.sin_addr = stream->multicast_ip;
517 dest_addr.sin_port = htons(stream->multicast_port);
519 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
520 RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
524 if (open_input_stream(rtp_c, "") < 0) {
525 http_log("Could not open input stream for stream '%s'\n",
530 /* open each RTP stream */
531 for(stream_index = 0; stream_index < stream->nb_streams;
533 dest_addr.sin_port = htons(stream->multicast_port +
535 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
536 http_log("Could not open output stream '%s/streamid=%d'\n",
537 stream->filename, stream_index);
542 /* change state to send data */
543 rtp_c->state = HTTPSTATE_SEND_DATA;
548 /* main loop of the http server */
549 static int http_server(void)
551 int server_fd = 0, rtsp_server_fd = 0;
552 int ret, delay, delay1;
553 struct pollfd *poll_table, *poll_entry;
554 HTTPContext *c, *c_next;
556 if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
557 http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
561 if (my_http_addr.sin_port) {
562 server_fd = socket_open_listen(&my_http_addr);
567 if (my_rtsp_addr.sin_port) {
568 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
569 if (rtsp_server_fd < 0)
573 if (!rtsp_server_fd && !server_fd) {
574 http_log("HTTP and RTSP disabled.\n");
578 http_log("FFserver started.\n");
580 start_children(first_feed);
585 poll_entry = poll_table;
587 poll_entry->fd = server_fd;
588 poll_entry->events = POLLIN;
591 if (rtsp_server_fd) {
592 poll_entry->fd = rtsp_server_fd;
593 poll_entry->events = POLLIN;
597 /* wait for events on each HTTP handle */
604 case HTTPSTATE_SEND_HEADER:
605 case RTSPSTATE_SEND_REPLY:
606 case RTSPSTATE_SEND_PACKET:
607 c->poll_entry = poll_entry;
609 poll_entry->events = POLLOUT;
612 case HTTPSTATE_SEND_DATA_HEADER:
613 case HTTPSTATE_SEND_DATA:
614 case HTTPSTATE_SEND_DATA_TRAILER:
615 if (!c->is_packetized) {
616 /* for TCP, we output as much as we can (may need to put a limit) */
617 c->poll_entry = poll_entry;
619 poll_entry->events = POLLOUT;
622 /* when ffserver is doing the timing, we work by
623 looking at which packet need to be sent every
625 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
630 case HTTPSTATE_WAIT_REQUEST:
631 case HTTPSTATE_RECEIVE_DATA:
632 case HTTPSTATE_WAIT_FEED:
633 case RTSPSTATE_WAIT_REQUEST:
634 /* need to catch errors */
635 c->poll_entry = poll_entry;
637 poll_entry->events = POLLIN;/* Maybe this will work */
641 c->poll_entry = NULL;
647 /* wait for an event on one connection. We poll at least every
648 second to handle timeouts */
650 ret = poll(poll_table, poll_entry - poll_table, delay);
651 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
652 ff_neterrno() != FF_NETERROR(EINTR))
656 cur_time = av_gettime() / 1000;
658 if (need_to_start_children) {
659 need_to_start_children = 0;
660 start_children(first_feed);
663 /* now handle the events */
664 for(c = first_http_ctx; c != NULL; c = c_next) {
666 if (handle_connection(c) < 0) {
667 /* close and free the connection */
673 poll_entry = poll_table;
675 /* new HTTP connection request ? */
676 if (poll_entry->revents & POLLIN)
677 new_connection(server_fd, 0);
680 if (rtsp_server_fd) {
681 /* new RTSP connection request ? */
682 if (poll_entry->revents & POLLIN)
683 new_connection(rtsp_server_fd, 1);
688 /* start waiting for a new HTTP/RTSP request */
689 static void start_wait_request(HTTPContext *c, int is_rtsp)
691 c->buffer_ptr = c->buffer;
692 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
695 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
696 c->state = RTSPSTATE_WAIT_REQUEST;
698 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
699 c->state = HTTPSTATE_WAIT_REQUEST;
703 static void new_connection(int server_fd, int is_rtsp)
705 struct sockaddr_in from_addr;
707 HTTPContext *c = NULL;
709 len = sizeof(from_addr);
710 fd = accept(server_fd, (struct sockaddr *)&from_addr,
713 http_log("error during accept %s\n", strerror(errno));
716 ff_socket_nonblock(fd, 1);
718 /* XXX: should output a warning page when coming
719 close to the connection limit */
720 if (nb_connections >= nb_max_connections)
723 /* add a new connection */
724 c = av_mallocz(sizeof(HTTPContext));
729 c->poll_entry = NULL;
730 c->from_addr = from_addr;
731 c->buffer_size = IOBUFFER_INIT_SIZE;
732 c->buffer = av_malloc(c->buffer_size);
736 c->next = first_http_ctx;
740 start_wait_request(c, is_rtsp);
752 static void close_connection(HTTPContext *c)
754 HTTPContext **cp, *c1;
756 AVFormatContext *ctx;
760 /* remove connection from list */
761 cp = &first_http_ctx;
762 while ((*cp) != NULL) {
770 /* remove references, if any (XXX: do it faster) */
771 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
776 /* remove connection associated resources */
780 /* close each frame parser */
781 for(i=0;i<c->fmt_in->nb_streams;i++) {
782 st = c->fmt_in->streams[i];
783 if (st->codec->codec)
784 avcodec_close(st->codec);
786 av_close_input_file(c->fmt_in);
789 /* free RTP output streams if any */
792 nb_streams = c->stream->nb_streams;
794 for(i=0;i<nb_streams;i++) {
797 av_write_trailer(ctx);
800 h = c->rtp_handles[i];
807 if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
810 if (url_open_dyn_buf(&ctx->pb) >= 0) {
811 av_write_trailer(ctx);
812 av_freep(&c->pb_buffer);
813 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
818 for(i=0; i<ctx->nb_streams; i++)
819 av_free(ctx->streams[i]);
821 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
822 current_bandwidth -= c->stream->bandwidth;
824 /* signal that there is no feed if we are the feeder socket */
825 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
826 c->stream->feed_opened = 0;
830 av_freep(&c->pb_buffer);
831 av_freep(&c->packet_buffer);
837 static int handle_connection(HTTPContext *c)
842 case HTTPSTATE_WAIT_REQUEST:
843 case RTSPSTATE_WAIT_REQUEST:
845 if ((c->timeout - cur_time) < 0)
847 if (c->poll_entry->revents & (POLLERR | POLLHUP))
850 /* no need to read if no events */
851 if (!(c->poll_entry->revents & POLLIN))
855 len = recv(c->fd, c->buffer_ptr, 1, 0);
857 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
858 ff_neterrno() != FF_NETERROR(EINTR))
860 } else if (len == 0) {
863 /* search for end of request. */
865 c->buffer_ptr += len;
867 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
868 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
869 /* request found : parse it and reply */
870 if (c->state == HTTPSTATE_WAIT_REQUEST) {
871 ret = http_parse_request(c);
873 ret = rtsp_parse_request(c);
877 } else if (ptr >= c->buffer_end) {
878 /* request too long: cannot do anything */
880 } else goto read_loop;
884 case HTTPSTATE_SEND_HEADER:
885 if (c->poll_entry->revents & (POLLERR | POLLHUP))
888 /* no need to write if no events */
889 if (!(c->poll_entry->revents & POLLOUT))
891 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
893 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
894 ff_neterrno() != FF_NETERROR(EINTR)) {
895 /* error : close connection */
896 av_freep(&c->pb_buffer);
900 c->buffer_ptr += len;
902 c->stream->bytes_served += len;
903 c->data_count += len;
904 if (c->buffer_ptr >= c->buffer_end) {
905 av_freep(&c->pb_buffer);
909 /* all the buffer was sent : synchronize to the incoming stream */
910 c->state = HTTPSTATE_SEND_DATA_HEADER;
911 c->buffer_ptr = c->buffer_end = c->buffer;
916 case HTTPSTATE_SEND_DATA:
917 case HTTPSTATE_SEND_DATA_HEADER:
918 case HTTPSTATE_SEND_DATA_TRAILER:
919 /* for packetized output, we consider we can always write (the
920 input streams sets the speed). It may be better to verify
921 that we do not rely too much on the kernel queues */
922 if (!c->is_packetized) {
923 if (c->poll_entry->revents & (POLLERR | POLLHUP))
926 /* no need to read if no events */
927 if (!(c->poll_entry->revents & POLLOUT))
930 if (http_send_data(c) < 0)
932 /* close connection if trailer sent */
933 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
936 case HTTPSTATE_RECEIVE_DATA:
937 /* no need to read if no events */
938 if (c->poll_entry->revents & (POLLERR | POLLHUP))
940 if (!(c->poll_entry->revents & POLLIN))
942 if (http_receive_data(c) < 0)
945 case HTTPSTATE_WAIT_FEED:
946 /* no need to read if no events */
947 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
950 /* nothing to do, we'll be waken up by incoming feed packets */
953 case RTSPSTATE_SEND_REPLY:
954 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
955 av_freep(&c->pb_buffer);
958 /* no need to write if no events */
959 if (!(c->poll_entry->revents & POLLOUT))
961 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
963 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
964 ff_neterrno() != FF_NETERROR(EINTR)) {
965 /* error : close connection */
966 av_freep(&c->pb_buffer);
970 c->buffer_ptr += len;
971 c->data_count += len;
972 if (c->buffer_ptr >= c->buffer_end) {
973 /* all the buffer was sent : wait for a new request */
974 av_freep(&c->pb_buffer);
975 start_wait_request(c, 1);
979 case RTSPSTATE_SEND_PACKET:
980 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
981 av_freep(&c->packet_buffer);
984 /* no need to write if no events */
985 if (!(c->poll_entry->revents & POLLOUT))
987 len = send(c->fd, c->packet_buffer_ptr,
988 c->packet_buffer_end - c->packet_buffer_ptr, 0);
990 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
991 ff_neterrno() != FF_NETERROR(EINTR)) {
992 /* error : close connection */
993 av_freep(&c->packet_buffer);
997 c->packet_buffer_ptr += len;
998 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
999 /* all the buffer was sent : wait for a new request */
1000 av_freep(&c->packet_buffer);
1001 c->state = RTSPSTATE_WAIT_REQUEST;
1005 case HTTPSTATE_READY:
1014 static int extract_rates(char *rates, int ratelen, const char *request)
1018 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1019 if (strncasecmp(p, "Pragma:", 7) == 0) {
1020 const char *q = p + 7;
1022 while (*q && *q != '\n' && isspace(*q))
1025 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1031 memset(rates, 0xff, ratelen);
1034 while (*q && *q != '\n' && *q != ':')
1037 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1041 if (stream_no < ratelen && stream_no >= 0)
1042 rates[stream_no] = rate_no;
1044 while (*q && *q != '\n' && !isspace(*q))
1051 p = strchr(p, '\n');
1061 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1064 int best_bitrate = 100000000;
1067 for (i = 0; i < feed->nb_streams; i++) {
1068 AVCodecContext *feed_codec = feed->streams[i]->codec;
1070 if (feed_codec->codec_id != codec->codec_id ||
1071 feed_codec->sample_rate != codec->sample_rate ||
1072 feed_codec->width != codec->width ||
1073 feed_codec->height != codec->height)
1076 /* Potential stream */
1078 /* We want the fastest stream less than bit_rate, or the slowest
1079 * faster than bit_rate
1082 if (feed_codec->bit_rate <= bit_rate) {
1083 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1084 best_bitrate = feed_codec->bit_rate;
1088 if (feed_codec->bit_rate < best_bitrate) {
1089 best_bitrate = feed_codec->bit_rate;
1098 static int modify_current_stream(HTTPContext *c, char *rates)
1101 FFStream *req = c->stream;
1102 int action_required = 0;
1104 /* Not much we can do for a feed */
1108 for (i = 0; i < req->nb_streams; i++) {
1109 AVCodecContext *codec = req->streams[i]->codec;
1113 c->switch_feed_streams[i] = req->feed_streams[i];
1116 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1119 /* Wants off or slow */
1120 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1122 /* This doesn't work well when it turns off the only stream! */
1123 c->switch_feed_streams[i] = -2;
1124 c->feed_streams[i] = -2;
1129 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1130 action_required = 1;
1133 return action_required;
1137 static void do_switch_stream(HTTPContext *c, int i)
1139 if (c->switch_feed_streams[i] >= 0) {
1141 c->feed_streams[i] = c->switch_feed_streams[i];
1144 /* Now update the stream */
1146 c->switch_feed_streams[i] = -1;
1149 /* XXX: factorize in utils.c ? */
1150 /* XXX: take care with different space meaning */
1151 static void skip_spaces(const char **pp)
1155 while (*p == ' ' || *p == '\t')
1160 static void get_word(char *buf, int buf_size, const char **pp)
1168 while (!isspace(*p) && *p != '\0') {
1169 if ((q - buf) < buf_size - 1)
1178 static int validate_acl(FFStream *stream, HTTPContext *c)
1180 enum IPAddressAction last_action = IP_DENY;
1182 struct in_addr *src = &c->from_addr.sin_addr;
1183 unsigned long src_addr = src->s_addr;
1185 for (acl = stream->acl; acl; acl = acl->next) {
1186 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1187 return (acl->action == IP_ALLOW) ? 1 : 0;
1188 last_action = acl->action;
1191 /* Nothing matched, so return not the last action */
1192 return (last_action == IP_DENY) ? 1 : 0;
1195 /* compute the real filename of a file by matching it without its
1196 extensions to all the stream filenames */
1197 static void compute_real_filename(char *filename, int max_size)
1204 /* compute filename by matching without the file extensions */
1205 av_strlcpy(file1, filename, sizeof(file1));
1206 p = strrchr(file1, '.');
1209 for(stream = first_stream; stream != NULL; stream = stream->next) {
1210 av_strlcpy(file2, stream->filename, sizeof(file2));
1211 p = strrchr(file2, '.');
1214 if (!strcmp(file1, file2)) {
1215 av_strlcpy(filename, stream->filename, max_size);
1230 /* parse http request and prepare header */
1231 static int http_parse_request(HTTPContext *c)
1234 enum RedirType redir_type;
1236 char info[1024], filename[1024];
1240 const char *mime_type;
1244 char *useragent = 0;
1247 get_word(cmd, sizeof(cmd), (const char **)&p);
1248 av_strlcpy(c->method, cmd, sizeof(c->method));
1250 if (!strcmp(cmd, "GET"))
1252 else if (!strcmp(cmd, "POST"))
1257 get_word(url, sizeof(url), (const char **)&p);
1258 av_strlcpy(c->url, url, sizeof(c->url));
1260 get_word(protocol, sizeof(protocol), (const char **)&p);
1261 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1264 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1267 http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
1269 /* find the filename and the optional info string in the request */
1270 p = strchr(url, '?');
1272 av_strlcpy(info, p, sizeof(info));
1277 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1279 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1280 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1282 if (*useragent && *useragent != '\n' && isspace(*useragent))
1286 p = strchr(p, '\n');
1293 redir_type = REDIR_NONE;
1294 if (match_ext(filename, "asx")) {
1295 redir_type = REDIR_ASX;
1296 filename[strlen(filename)-1] = 'f';
1297 } else if (match_ext(filename, "asf") &&
1298 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1299 /* if this isn't WMP or lookalike, return the redirector file */
1300 redir_type = REDIR_ASF;
1301 } else if (match_ext(filename, "rpm,ram")) {
1302 redir_type = REDIR_RAM;
1303 strcpy(filename + strlen(filename)-2, "m");
1304 } else if (match_ext(filename, "rtsp")) {
1305 redir_type = REDIR_RTSP;
1306 compute_real_filename(filename, sizeof(filename) - 1);
1307 } else if (match_ext(filename, "sdp")) {
1308 redir_type = REDIR_SDP;
1309 compute_real_filename(filename, sizeof(filename) - 1);
1312 // "redirect" / request to index.html
1313 if (!strlen(filename))
1314 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1316 stream = first_stream;
1317 while (stream != NULL) {
1318 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1320 stream = stream->next;
1322 if (stream == NULL) {
1323 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1324 http_log("File '%s' not found\n", url);
1329 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1330 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1332 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1333 c->http_error = 301;
1335 q += snprintf(q, c->buffer_size,
1336 "HTTP/1.0 301 Moved\r\n"
1338 "Content-type: text/html\r\n"
1340 "<html><head><title>Moved</title></head><body>\r\n"
1341 "You should be <a href=\"%s\">redirected</a>.\r\n"
1342 "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
1343 /* prepare output buffer */
1344 c->buffer_ptr = c->buffer;
1346 c->state = HTTPSTATE_SEND_HEADER;
1350 /* If this is WMP, get the rate information */
1351 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1352 if (modify_current_stream(c, ratebuf)) {
1353 for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
1354 if (c->switch_feed_streams[i] >= 0)
1355 do_switch_stream(c, i);
1360 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1361 current_bandwidth += stream->bandwidth;
1363 /* If already streaming this feed, do not let start another feeder. */
1364 if (stream->feed_opened) {
1365 snprintf(msg, sizeof(msg), "This feed is already being received.");
1366 http_log("Feed '%s' already being received\n", stream->feed_filename);
1370 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1371 c->http_error = 200;
1373 q += snprintf(q, c->buffer_size,
1374 "HTTP/1.0 200 Server too busy\r\n"
1375 "Content-type: text/html\r\n"
1377 "<html><head><title>Too busy</title></head><body>\r\n"
1378 "<p>The server is too busy to serve your request at this time.</p>\r\n"
1379 "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
1380 "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
1381 "</body></html>\r\n", current_bandwidth, max_bandwidth);
1382 /* prepare output buffer */
1383 c->buffer_ptr = c->buffer;
1385 c->state = HTTPSTATE_SEND_HEADER;
1389 if (redir_type != REDIR_NONE) {
1392 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1393 if (strncasecmp(p, "Host:", 5) == 0) {
1397 p = strchr(p, '\n');
1408 while (isspace(*hostinfo))
1411 eoh = strchr(hostinfo, '\n');
1413 if (eoh[-1] == '\r')
1416 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1417 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1418 hostbuf[eoh - hostinfo] = 0;
1420 c->http_error = 200;
1422 switch(redir_type) {
1424 q += snprintf(q, c->buffer_size,
1425 "HTTP/1.0 200 ASX Follows\r\n"
1426 "Content-type: video/x-ms-asf\r\n"
1428 "<ASX Version=\"3\">\r\n"
1429 //"<!-- Autogenerated by ffserver -->\r\n"
1430 "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
1431 "</ASX>\r\n", hostbuf, filename, info);
1434 q += snprintf(q, c->buffer_size,
1435 "HTTP/1.0 200 RAM Follows\r\n"
1436 "Content-type: audio/x-pn-realaudio\r\n"
1438 "# Autogenerated by ffserver\r\n"
1439 "http://%s/%s%s\r\n", hostbuf, filename, info);
1442 q += snprintf(q, c->buffer_size,
1443 "HTTP/1.0 200 ASF Redirect follows\r\n"
1444 "Content-type: video/x-ms-asf\r\n"
1447 "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
1451 char hostname[256], *p;
1452 /* extract only hostname */
1453 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1454 p = strrchr(hostname, ':');
1457 q += snprintf(q, c->buffer_size,
1458 "HTTP/1.0 200 RTSP Redirect follows\r\n"
1459 /* XXX: incorrect mime type ? */
1460 "Content-type: application/x-rtsp\r\n"
1462 "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
1468 int sdp_data_size, len;
1469 struct sockaddr_in my_addr;
1471 q += snprintf(q, c->buffer_size,
1472 "HTTP/1.0 200 OK\r\n"
1473 "Content-type: application/sdp\r\n"
1476 len = sizeof(my_addr);
1477 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1479 /* XXX: should use a dynamic buffer */
1480 sdp_data_size = prepare_sdp_description(stream,
1483 if (sdp_data_size > 0) {
1484 memcpy(q, sdp_data, sdp_data_size);
1496 /* prepare output buffer */
1497 c->buffer_ptr = c->buffer;
1499 c->state = HTTPSTATE_SEND_HEADER;
1505 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1509 stream->conns_served++;
1511 /* XXX: add there authenticate and IP match */
1514 /* if post, it means a feed is being sent */
1515 if (!stream->is_feed) {
1516 /* However it might be a status report from WMP! Let us log the
1517 * data as it might come in handy one day. */
1521 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1522 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1526 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1527 client_id = strtol(p + 18, 0, 10);
1528 p = strchr(p, '\n');
1536 char *eol = strchr(logline, '\n');
1541 if (eol[-1] == '\r')
1543 http_log("%.*s\n", (int) (eol - logline), logline);
1544 c->suppress_log = 1;
1549 http_log("\nGot request:\n%s\n", c->buffer);
1552 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1555 /* Now we have to find the client_id */
1556 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1557 if (wmpc->wmp_client_id == client_id)
1561 if (wmpc && modify_current_stream(wmpc, ratebuf))
1562 wmpc->switch_pending = 1;
1565 snprintf(msg, sizeof(msg), "POST command not handled");
1569 if (http_start_receive_data(c) < 0) {
1570 snprintf(msg, sizeof(msg), "could not open feed");
1574 c->state = HTTPSTATE_RECEIVE_DATA;
1579 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1580 http_log("\nGot request:\n%s\n", c->buffer);
1583 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1586 /* open input stream */
1587 if (open_input_stream(c, info) < 0) {
1588 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1592 /* prepare http header */
1594 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1595 mime_type = c->stream->fmt->mime_type;
1597 mime_type = "application/x-octet-stream";
1598 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1600 /* for asf, we need extra headers */
1601 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1602 /* Need to allocate a client id */
1604 c->wmp_client_id = av_lfg_get(&random_state);
1606 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);
1608 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1609 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1611 /* prepare output buffer */
1613 c->buffer_ptr = c->buffer;
1615 c->state = HTTPSTATE_SEND_HEADER;
1618 c->http_error = 404;
1620 q += snprintf(q, c->buffer_size,
1621 "HTTP/1.0 404 Not Found\r\n"
1622 "Content-type: text/html\r\n"
1625 "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n"
1628 /* prepare output buffer */
1629 c->buffer_ptr = c->buffer;
1631 c->state = HTTPSTATE_SEND_HEADER;
1635 c->http_error = 200; /* horrible : we use this value to avoid
1636 going to the send data state */
1637 c->state = HTTPSTATE_SEND_HEADER;
1641 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1643 static const char *suffix = " kMGTP";
1646 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1648 url_fprintf(pb, "%"PRId64"%c", count, *s);
1651 static void compute_status(HTTPContext *c)
1660 if (url_open_dyn_buf(&pb) < 0) {
1661 /* XXX: return an error ? */
1662 c->buffer_ptr = c->buffer;
1663 c->buffer_end = c->buffer;
1667 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1668 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1669 url_fprintf(pb, "Pragma: no-cache\r\n");
1670 url_fprintf(pb, "\r\n");
1672 url_fprintf(pb, "<HTML><HEAD><TITLE>%s Status</TITLE>\n", program_name);
1673 if (c->stream->feed_filename[0])
1674 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1675 url_fprintf(pb, "</HEAD>\n<BODY>");
1676 url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
1678 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1679 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1680 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");
1681 stream = first_stream;
1682 while (stream != NULL) {
1683 char sfilename[1024];
1686 if (stream->feed != stream) {
1687 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1688 eosf = sfilename + strlen(sfilename);
1689 if (eosf - sfilename >= 4) {
1690 if (strcmp(eosf - 4, ".asf") == 0)
1691 strcpy(eosf - 4, ".asx");
1692 else if (strcmp(eosf - 3, ".rm") == 0)
1693 strcpy(eosf - 3, ".ram");
1694 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1695 /* generate a sample RTSP director if
1696 unicast. Generate an SDP redirector if
1698 eosf = strrchr(sfilename, '.');
1700 eosf = sfilename + strlen(sfilename);
1701 if (stream->is_multicast)
1702 strcpy(eosf, ".sdp");
1704 strcpy(eosf, ".rtsp");
1708 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1709 sfilename, stream->filename);
1710 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1711 stream->conns_served);
1712 fmt_bytecount(pb, stream->bytes_served);
1713 switch(stream->stream_type) {
1714 case STREAM_TYPE_LIVE: {
1715 int audio_bit_rate = 0;
1716 int video_bit_rate = 0;
1717 const char *audio_codec_name = "";
1718 const char *video_codec_name = "";
1719 const char *audio_codec_name_extra = "";
1720 const char *video_codec_name_extra = "";
1722 for(i=0;i<stream->nb_streams;i++) {
1723 AVStream *st = stream->streams[i];
1724 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1725 switch(st->codec->codec_type) {
1726 case CODEC_TYPE_AUDIO:
1727 audio_bit_rate += st->codec->bit_rate;
1729 if (*audio_codec_name)
1730 audio_codec_name_extra = "...";
1731 audio_codec_name = codec->name;
1734 case CODEC_TYPE_VIDEO:
1735 video_bit_rate += st->codec->bit_rate;
1737 if (*video_codec_name)
1738 video_codec_name_extra = "...";
1739 video_codec_name = codec->name;
1742 case CODEC_TYPE_DATA:
1743 video_bit_rate += st->codec->bit_rate;
1749 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",
1752 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1753 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1755 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1757 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1758 url_fprintf(pb, "\n");
1762 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1766 stream = stream->next;
1768 url_fprintf(pb, "</TABLE>\n");
1770 stream = first_stream;
1771 while (stream != NULL) {
1772 if (stream->feed == stream) {
1773 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1775 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1777 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1782 /* This is somewhat linux specific I guess */
1783 snprintf(ps_cmd, sizeof(ps_cmd),
1784 "ps -o \"%%cpu,cputime\" --no-headers %d",
1787 pid_stat = popen(ps_cmd, "r");
1792 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1794 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1802 url_fprintf(pb, "<p>");
1804 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");
1806 for (i = 0; i < stream->nb_streams; i++) {
1807 AVStream *st = stream->streams[i];
1808 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1809 const char *type = "unknown";
1810 char parameters[64];
1814 switch(st->codec->codec_type) {
1815 case CODEC_TYPE_AUDIO:
1817 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1819 case CODEC_TYPE_VIDEO:
1821 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1822 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1827 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1828 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1830 url_fprintf(pb, "</table>\n");
1833 stream = stream->next;
1839 AVCodecContext *enc;
1843 stream = first_feed;
1844 while (stream != NULL) {
1845 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1846 url_fprintf(pb, "<TABLE>\n");
1847 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1848 for(i=0;i<stream->nb_streams;i++) {
1849 AVStream *st = stream->streams[i];
1850 FeedData *fdata = st->priv_data;
1853 avcodec_string(buf, sizeof(buf), enc);
1854 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1855 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1856 avg /= enc->frame_size;
1857 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1858 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1860 url_fprintf(pb, "</TABLE>\n");
1861 stream = stream->next_feed;
1866 /* connection status */
1867 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1869 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1870 nb_connections, nb_max_connections);
1872 url_fprintf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<BR>\n",
1873 current_bandwidth, max_bandwidth);
1875 url_fprintf(pb, "<TABLE>\n");
1876 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");
1877 c1 = first_http_ctx;
1879 while (c1 != NULL) {
1885 for (j = 0; j < c1->stream->nb_streams; j++) {
1886 if (!c1->stream->feed)
1887 bitrate += c1->stream->streams[j]->codec->bit_rate;
1888 else if (c1->feed_streams[j] >= 0)
1889 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1894 p = inet_ntoa(c1->from_addr.sin_addr);
1895 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1897 c1->stream ? c1->stream->filename : "",
1898 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1901 http_state[c1->state]);
1902 fmt_bytecount(pb, bitrate);
1903 url_fprintf(pb, "<td align=right>");
1904 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1905 url_fprintf(pb, "<td align=right>");
1906 fmt_bytecount(pb, c1->data_count);
1907 url_fprintf(pb, "\n");
1910 url_fprintf(pb, "</TABLE>\n");
1915 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1916 url_fprintf(pb, "</BODY>\n</HTML>\n");
1918 len = url_close_dyn_buf(pb, &c->pb_buffer);
1919 c->buffer_ptr = c->pb_buffer;
1920 c->buffer_end = c->pb_buffer + len;
1923 /* check if the parser needs to be opened for stream i */
1924 static void open_parser(AVFormatContext *s, int i)
1926 AVStream *st = s->streams[i];
1929 if (!st->codec->codec) {
1930 codec = avcodec_find_decoder(st->codec->codec_id);
1931 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1932 st->codec->parse_only = 1;
1933 if (avcodec_open(st->codec, codec) < 0)
1934 st->codec->parse_only = 0;
1939 static int open_input_stream(HTTPContext *c, const char *info)
1942 char input_filename[1024];
1944 int buf_size, i, ret;
1947 /* find file name */
1948 if (c->stream->feed) {
1949 strcpy(input_filename, c->stream->feed->feed_filename);
1950 buf_size = FFM_PACKET_SIZE;
1951 /* compute position (absolute time) */
1952 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1953 stream_pos = parse_date(buf, 0);
1954 if (stream_pos == INT64_MIN)
1956 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1957 int prebuffer = strtol(buf, 0, 10);
1958 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1960 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1962 strcpy(input_filename, c->stream->feed_filename);
1964 /* compute position (relative time) */
1965 if (find_info_tag(buf, sizeof(buf), "date", info)) {
1966 stream_pos = parse_date(buf, 1);
1967 if (stream_pos == INT64_MIN)
1972 if (input_filename[0] == '\0')
1976 { time_t when = stream_pos / 1000000;
1977 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1982 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1983 buf_size, c->stream->ap_in)) < 0) {
1984 http_log("could not open %s: %d\n", input_filename, ret);
1987 s->flags |= AVFMT_FLAG_GENPTS;
1989 if (av_find_stream_info(c->fmt_in) < 0) {
1990 http_log("Could not find stream info '%s'\n", input_filename);
1991 av_close_input_file(s);
1995 /* open each parser */
1996 for(i=0;i<s->nb_streams;i++)
1999 /* choose stream as clock source (we favorize video stream if
2000 present) for packet sending */
2001 c->pts_stream_index = 0;
2002 for(i=0;i<c->stream->nb_streams;i++) {
2003 if (c->pts_stream_index == 0 &&
2004 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
2005 c->pts_stream_index = i;
2010 if (c->fmt_in->iformat->read_seek)
2011 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
2013 /* set the start time (needed for maxtime and RTP packet timing) */
2014 c->start_time = cur_time;
2015 c->first_pts = AV_NOPTS_VALUE;
2019 /* return the server clock (in us) */
2020 static int64_t get_server_clock(HTTPContext *c)
2022 /* compute current pts value from system time */
2023 return (cur_time - c->start_time) * 1000;
2026 /* return the estimated time at which the current packet must be sent
2028 static int64_t get_packet_send_clock(HTTPContext *c)
2030 int bytes_left, bytes_sent, frame_bytes;
2032 frame_bytes = c->cur_frame_bytes;
2033 if (frame_bytes <= 0)
2036 bytes_left = c->buffer_end - c->buffer_ptr;
2037 bytes_sent = frame_bytes - bytes_left;
2038 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2043 static int http_prepare_data(HTTPContext *c)
2046 AVFormatContext *ctx;
2048 av_freep(&c->pb_buffer);
2050 case HTTPSTATE_SEND_DATA_HEADER:
2051 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2052 av_metadata_set(&c->fmt_ctx.metadata, "author" ,c->stream->author);
2053 av_metadata_set(&c->fmt_ctx.metadata, "comment" ,c->stream->comment);
2054 av_metadata_set(&c->fmt_ctx.metadata, "copyright",c->stream->copyright);
2055 av_metadata_set(&c->fmt_ctx.metadata, "title" ,c->stream->title);
2057 for(i=0;i<c->stream->nb_streams;i++) {
2060 st = av_mallocz(sizeof(AVStream));
2061 c->fmt_ctx.streams[i] = st;
2062 /* if file or feed, then just take streams from FFStream struct */
2063 if (!c->stream->feed ||
2064 c->stream->feed == c->stream)
2065 src = c->stream->streams[i];
2067 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2071 st->codec->frame_number = 0; /* XXX: should be done in
2072 AVStream, not in codec */
2074 /* set output format parameters */
2075 c->fmt_ctx.oformat = c->stream->fmt;
2076 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2078 c->got_key_frame = 0;
2080 /* prepare header and save header data in a stream */
2081 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2082 /* XXX: potential leak */
2085 c->fmt_ctx.pb->is_streamed = 1;
2088 * HACK to avoid mpeg ps muxer to spit many underflow errors
2089 * Default value from FFmpeg
2090 * Try to set it use configuration option
2092 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2093 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2095 av_set_parameters(&c->fmt_ctx, NULL);
2096 if (av_write_header(&c->fmt_ctx) < 0) {
2097 http_log("Error writing output header\n");
2101 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2102 c->buffer_ptr = c->pb_buffer;
2103 c->buffer_end = c->pb_buffer + len;
2105 c->state = HTTPSTATE_SEND_DATA;
2106 c->last_packet_sent = 0;
2108 case HTTPSTATE_SEND_DATA:
2109 /* find a new packet */
2110 /* read a packet from the input stream */
2111 if (c->stream->feed)
2112 ffm_set_write_index(c->fmt_in,
2113 c->stream->feed->feed_write_index,
2114 c->stream->feed->feed_size);
2116 if (c->stream->max_time &&
2117 c->stream->max_time + c->start_time - cur_time < 0)
2118 /* We have timed out */
2119 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2123 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2124 if (c->stream->feed && c->stream->feed->feed_opened) {
2125 /* if coming from feed, it means we reached the end of the
2126 ffm file, so must wait for more data */
2127 c->state = HTTPSTATE_WAIT_FEED;
2128 return 1; /* state changed */
2130 if (c->stream->loop) {
2131 av_close_input_file(c->fmt_in);
2133 if (open_input_stream(c, "") < 0)
2138 /* must send trailer now because eof or error */
2139 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2143 int source_index = pkt.stream_index;
2144 /* update first pts if needed */
2145 if (c->first_pts == AV_NOPTS_VALUE) {
2146 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2147 c->start_time = cur_time;
2149 /* send it to the appropriate stream */
2150 if (c->stream->feed) {
2151 /* if coming from a feed, select the right stream */
2152 if (c->switch_pending) {
2153 c->switch_pending = 0;
2154 for(i=0;i<c->stream->nb_streams;i++) {
2155 if (c->switch_feed_streams[i] == pkt.stream_index)
2156 if (pkt.flags & PKT_FLAG_KEY)
2157 do_switch_stream(c, i);
2158 if (c->switch_feed_streams[i] >= 0)
2159 c->switch_pending = 1;
2162 for(i=0;i<c->stream->nb_streams;i++) {
2163 if (c->feed_streams[i] == pkt.stream_index) {
2164 AVStream *st = c->fmt_in->streams[source_index];
2165 pkt.stream_index = i;
2166 if (pkt.flags & PKT_FLAG_KEY &&
2167 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2168 c->stream->nb_streams == 1))
2169 c->got_key_frame = 1;
2170 if (!c->stream->send_on_key || c->got_key_frame)
2175 AVCodecContext *codec;
2176 AVStream *ist, *ost;
2178 ist = c->fmt_in->streams[source_index];
2179 /* specific handling for RTP: we use several
2180 output stream (one for each RTP
2181 connection). XXX: need more abstract handling */
2182 if (c->is_packetized) {
2183 /* compute send time and duration */
2184 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2185 if (ist->start_time != AV_NOPTS_VALUE)
2186 c->cur_pts -= av_rescale_q(ist->start_time, ist->time_base, AV_TIME_BASE_Q);
2187 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2189 printf("index=%d pts=%0.3f duration=%0.6f\n",
2191 (double)c->cur_pts /
2193 (double)c->cur_frame_duration /
2196 /* find RTP context */
2197 c->packet_stream_index = pkt.stream_index;
2198 ctx = c->rtp_ctx[c->packet_stream_index];
2200 av_free_packet(&pkt);
2203 codec = ctx->streams[0]->codec;
2204 /* only one stream per RTP connection */
2205 pkt.stream_index = 0;
2209 codec = ctx->streams[pkt.stream_index]->codec;
2212 if (c->is_packetized) {
2213 int max_packet_size;
2214 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
2215 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2217 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2218 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2220 ret = url_open_dyn_buf(&ctx->pb);
2223 /* XXX: potential leak */
2226 ost = ctx->streams[pkt.stream_index];
2228 ctx->pb->is_streamed = 1;
2229 if (pkt.dts != AV_NOPTS_VALUE)
2230 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2231 if (pkt.pts != AV_NOPTS_VALUE)
2232 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2233 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2234 if (av_write_frame(ctx, &pkt) < 0) {
2235 http_log("Error writing frame to output\n");
2236 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2239 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2240 c->cur_frame_bytes = len;
2241 c->buffer_ptr = c->pb_buffer;
2242 c->buffer_end = c->pb_buffer + len;
2244 codec->frame_number++;
2246 av_free_packet(&pkt);
2250 av_free_packet(&pkt);
2255 case HTTPSTATE_SEND_DATA_TRAILER:
2256 /* last packet test ? */
2257 if (c->last_packet_sent || c->is_packetized)
2260 /* prepare header */
2261 if (url_open_dyn_buf(&ctx->pb) < 0) {
2262 /* XXX: potential leak */
2265 c->fmt_ctx.pb->is_streamed = 1;
2266 av_write_trailer(ctx);
2267 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2268 c->buffer_ptr = c->pb_buffer;
2269 c->buffer_end = c->pb_buffer + len;
2271 c->last_packet_sent = 1;
2277 /* should convert the format at the same time */
2278 /* send data starting at c->buffer_ptr to the output connection
2279 (either UDP or TCP connection) */
2280 static int http_send_data(HTTPContext *c)
2285 if (c->buffer_ptr >= c->buffer_end) {
2286 ret = http_prepare_data(c);
2290 /* state change requested */
2293 if (c->is_packetized) {
2294 /* RTP data output */
2295 len = c->buffer_end - c->buffer_ptr;
2297 /* fail safe - should never happen */
2299 c->buffer_ptr = c->buffer_end;
2302 len = (c->buffer_ptr[0] << 24) |
2303 (c->buffer_ptr[1] << 16) |
2304 (c->buffer_ptr[2] << 8) |
2306 if (len > (c->buffer_end - c->buffer_ptr))
2308 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2309 /* nothing to send yet: we can wait */
2313 c->data_count += len;
2314 update_datarate(&c->datarate, c->data_count);
2316 c->stream->bytes_served += len;
2318 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
2319 /* RTP packets are sent inside the RTSP TCP connection */
2321 int interleaved_index, size;
2323 HTTPContext *rtsp_c;
2326 /* if no RTSP connection left, error */
2329 /* if already sending something, then wait. */
2330 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2332 if (url_open_dyn_buf(&pb) < 0)
2334 interleaved_index = c->packet_stream_index * 2;
2335 /* RTCP packets are sent at odd indexes */
2336 if (c->buffer_ptr[1] == 200)
2337 interleaved_index++;
2338 /* write RTSP TCP header */
2340 header[1] = interleaved_index;
2341 header[2] = len >> 8;
2343 put_buffer(pb, header, 4);
2344 /* write RTP packet data */
2346 put_buffer(pb, c->buffer_ptr, len);
2347 size = url_close_dyn_buf(pb, &c->packet_buffer);
2348 /* prepare asynchronous TCP sending */
2349 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2350 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2351 c->buffer_ptr += len;
2353 /* send everything we can NOW */
2354 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2355 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2357 rtsp_c->packet_buffer_ptr += len;
2358 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2359 /* if we could not send all the data, we will
2360 send it later, so a new state is needed to
2361 "lock" the RTSP TCP connection */
2362 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2365 /* all data has been sent */
2366 av_freep(&c->packet_buffer);
2368 /* send RTP packet directly in UDP */
2370 url_write(c->rtp_handles[c->packet_stream_index],
2371 c->buffer_ptr, len);
2372 c->buffer_ptr += len;
2373 /* here we continue as we can send several packets per 10 ms slot */
2376 /* TCP data output */
2377 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2379 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2380 ff_neterrno() != FF_NETERROR(EINTR))
2381 /* error : close connection */
2386 c->buffer_ptr += len;
2388 c->data_count += len;
2389 update_datarate(&c->datarate, c->data_count);
2391 c->stream->bytes_served += len;
2399 static int http_start_receive_data(HTTPContext *c)
2403 if (c->stream->feed_opened)
2406 /* Don't permit writing to this one */
2407 if (c->stream->readonly)
2411 fd = open(c->stream->feed_filename, O_RDWR);
2413 http_log("Error opening feeder file: %s\n", strerror(errno));
2418 if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
2419 http_log("Error reading write index from feed file: %s\n", strerror(errno));
2422 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2423 lseek(fd, 0, SEEK_SET);
2425 /* init buffer input */
2426 c->buffer_ptr = c->buffer;
2427 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2428 c->stream->feed_opened = 1;
2432 static int http_receive_data(HTTPContext *c)
2436 if (c->buffer_end > c->buffer_ptr) {
2439 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2441 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2442 ff_neterrno() != FF_NETERROR(EINTR))
2443 /* error : close connection */
2445 } else if (len == 0)
2446 /* end of connection : close it */
2449 c->buffer_ptr += len;
2450 c->data_count += len;
2451 update_datarate(&c->datarate, c->data_count);
2455 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2456 if (c->buffer[0] != 'f' ||
2457 c->buffer[1] != 'm') {
2458 http_log("Feed stream has become desynchronized -- disconnecting\n");
2463 if (c->buffer_ptr >= c->buffer_end) {
2464 FFStream *feed = c->stream;
2465 /* a packet has been received : write it in the store, except
2467 if (c->data_count > FFM_PACKET_SIZE) {
2469 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2470 /* XXX: use llseek or url_seek */
2471 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2472 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2473 http_log("Error writing to feed file: %s\n", strerror(errno));
2477 feed->feed_write_index += FFM_PACKET_SIZE;
2478 /* update file size */
2479 if (feed->feed_write_index > c->stream->feed_size)
2480 feed->feed_size = feed->feed_write_index;
2482 /* handle wrap around if max file size reached */
2483 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2484 feed->feed_write_index = FFM_PACKET_SIZE;
2487 if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
2488 http_log("Error writing index to feed file: %s\n", strerror(errno));
2492 /* wake up any waiting connections */
2493 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2494 if (c1->state == HTTPSTATE_WAIT_FEED &&
2495 c1->stream->feed == c->stream->feed)
2496 c1->state = HTTPSTATE_SEND_DATA;
2499 /* We have a header in our hands that contains useful data */
2500 AVFormatContext *s = NULL;
2502 AVInputFormat *fmt_in;
2505 /* use feed output format name to find corresponding input format */
2506 fmt_in = av_find_input_format(feed->fmt->name);
2510 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2511 pb->is_streamed = 1;
2513 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2518 /* Now we have the actual streams */
2519 if (s->nb_streams != feed->nb_streams) {
2520 av_close_input_stream(s);
2522 http_log("Feed '%s' stream number does not match registered feed\n",
2523 c->stream->feed_filename);
2527 for (i = 0; i < s->nb_streams; i++) {
2528 AVStream *fst = feed->streams[i];
2529 AVStream *st = s->streams[i];
2530 memcpy(fst->codec, st->codec, sizeof(AVCodecContext));
2531 if (fst->codec->extradata_size) {
2532 fst->codec->extradata = av_malloc(fst->codec->extradata_size);
2533 if (!fst->codec->extradata)
2535 memcpy(fst->codec->extradata, st->codec->extradata,
2536 fst->codec->extradata_size);
2540 av_close_input_stream(s);
2543 c->buffer_ptr = c->buffer;
2548 c->stream->feed_opened = 0;
2550 /* wake up any waiting connections to stop waiting for feed */
2551 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2552 if (c1->state == HTTPSTATE_WAIT_FEED &&
2553 c1->stream->feed == c->stream->feed)
2554 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2559 /********************************************************************/
2562 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2569 switch(error_number) {
2570 case RTSP_STATUS_OK:
2573 case RTSP_STATUS_METHOD:
2574 str = "Method Not Allowed";
2576 case RTSP_STATUS_BANDWIDTH:
2577 str = "Not Enough Bandwidth";
2579 case RTSP_STATUS_SESSION:
2580 str = "Session Not Found";
2582 case RTSP_STATUS_STATE:
2583 str = "Method Not Valid in This State";
2585 case RTSP_STATUS_AGGREGATE:
2586 str = "Aggregate operation not allowed";
2588 case RTSP_STATUS_ONLY_AGGREGATE:
2589 str = "Only aggregate operation allowed";
2591 case RTSP_STATUS_TRANSPORT:
2592 str = "Unsupported transport";
2594 case RTSP_STATUS_INTERNAL:
2595 str = "Internal Server Error";
2597 case RTSP_STATUS_SERVICE:
2598 str = "Service Unavailable";
2600 case RTSP_STATUS_VERSION:
2601 str = "RTSP Version not supported";
2604 str = "Unknown Error";
2608 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2609 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2611 /* output GMT time */
2615 p = buf2 + strlen(p) - 1;
2618 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2621 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2623 rtsp_reply_header(c, error_number);
2624 url_fprintf(c->pb, "\r\n");
2627 static int rtsp_parse_request(HTTPContext *c)
2629 const char *p, *p1, *p2;
2635 RTSPMessageHeader header1, *header = &header1;
2637 c->buffer_ptr[0] = '\0';
2640 get_word(cmd, sizeof(cmd), &p);
2641 get_word(url, sizeof(url), &p);
2642 get_word(protocol, sizeof(protocol), &p);
2644 av_strlcpy(c->method, cmd, sizeof(c->method));
2645 av_strlcpy(c->url, url, sizeof(c->url));
2646 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2648 if (url_open_dyn_buf(&c->pb) < 0) {
2649 /* XXX: cannot do more */
2650 c->pb = NULL; /* safety */
2654 /* check version name */
2655 if (strcmp(protocol, "RTSP/1.0") != 0) {
2656 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2660 /* parse each header line */
2661 memset(header, 0, sizeof(*header));
2662 /* skip to next line */
2663 while (*p != '\n' && *p != '\0')
2667 while (*p != '\0') {
2668 p1 = strchr(p, '\n');
2672 if (p2 > p && p2[-1] == '\r')
2674 /* skip empty line */
2678 if (len > sizeof(line) - 1)
2679 len = sizeof(line) - 1;
2680 memcpy(line, p, len);
2682 rtsp_parse_line(header, line);
2686 /* handle sequence number */
2687 c->seq = header->seq;
2689 if (!strcmp(cmd, "DESCRIBE"))
2690 rtsp_cmd_describe(c, url);
2691 else if (!strcmp(cmd, "OPTIONS"))
2692 rtsp_cmd_options(c, url);
2693 else if (!strcmp(cmd, "SETUP"))
2694 rtsp_cmd_setup(c, url, header);
2695 else if (!strcmp(cmd, "PLAY"))
2696 rtsp_cmd_play(c, url, header);
2697 else if (!strcmp(cmd, "PAUSE"))
2698 rtsp_cmd_pause(c, url, header);
2699 else if (!strcmp(cmd, "TEARDOWN"))
2700 rtsp_cmd_teardown(c, url, header);
2702 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2705 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2706 c->pb = NULL; /* safety */
2708 /* XXX: cannot do more */
2711 c->buffer_ptr = c->pb_buffer;
2712 c->buffer_end = c->pb_buffer + len;
2713 c->state = RTSPSTATE_SEND_REPLY;
2717 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2718 struct in_addr my_ip)
2720 AVFormatContext *avc;
2721 AVStream avs[MAX_STREAMS];
2724 avc = avformat_alloc_context();
2728 av_metadata_set(&avc->metadata, "title",
2729 stream->title[0] ? stream->title : "No Title");
2730 avc->nb_streams = stream->nb_streams;
2731 if (stream->is_multicast) {
2732 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2733 inet_ntoa(stream->multicast_ip),
2734 stream->multicast_port, stream->multicast_ttl);
2737 for(i = 0; i < stream->nb_streams; i++) {
2738 avc->streams[i] = &avs[i];
2739 avc->streams[i]->codec = stream->streams[i]->codec;
2741 *pbuffer = av_mallocz(2048);
2742 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2745 return strlen(*pbuffer);
2748 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2750 // rtsp_reply_header(c, RTSP_STATUS_OK);
2751 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2752 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2753 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2754 url_fprintf(c->pb, "\r\n");
2757 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2763 int content_length, len;
2764 struct sockaddr_in my_addr;
2766 /* find which url is asked */
2767 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2772 for(stream = first_stream; stream != NULL; stream = stream->next) {
2773 if (!stream->is_feed &&
2774 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2775 !strcmp(path, stream->filename)) {
2779 /* no stream found */
2780 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2784 /* prepare the media description in sdp format */
2786 /* get the host IP */
2787 len = sizeof(my_addr);
2788 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2789 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2790 if (content_length < 0) {
2791 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2794 rtsp_reply_header(c, RTSP_STATUS_OK);
2795 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2796 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2797 url_fprintf(c->pb, "\r\n");
2798 put_buffer(c->pb, content, content_length);
2801 static HTTPContext *find_rtp_session(const char *session_id)
2805 if (session_id[0] == '\0')
2808 for(c = first_http_ctx; c != NULL; c = c->next) {
2809 if (!strcmp(c->session_id, session_id))
2815 static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
2817 RTSPTransportField *th;
2820 for(i=0;i<h->nb_transports;i++) {
2821 th = &h->transports[i];
2822 if (th->lower_transport == lower_transport)
2828 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2829 RTSPMessageHeader *h)
2832 int stream_index, port;
2837 RTSPTransportField *th;
2838 struct sockaddr_in dest_addr;
2839 RTSPActionServerSetup setup;
2841 /* find which url is asked */
2842 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2847 /* now check each stream */
2848 for(stream = first_stream; stream != NULL; stream = stream->next) {
2849 if (!stream->is_feed &&
2850 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2851 /* accept aggregate filenames only if single stream */
2852 if (!strcmp(path, stream->filename)) {
2853 if (stream->nb_streams != 1) {
2854 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2861 for(stream_index = 0; stream_index < stream->nb_streams;
2863 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2864 stream->filename, stream_index);
2865 if (!strcmp(path, buf))
2870 /* no stream found */
2871 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2875 /* generate session id if needed */
2876 if (h->session_id[0] == '\0')
2877 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2878 av_lfg_get(&random_state), av_lfg_get(&random_state));
2880 /* find rtp session, and create it if none found */
2881 rtp_c = find_rtp_session(h->session_id);
2883 /* always prefer UDP */
2884 th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
2886 th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
2888 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2893 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2894 th->lower_transport);
2896 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2900 /* open input stream */
2901 if (open_input_stream(rtp_c, "") < 0) {
2902 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2907 /* test if stream is OK (test needed because several SETUP needs
2908 to be done for a given file) */
2909 if (rtp_c->stream != stream) {
2910 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2914 /* test if stream is already set up */
2915 if (rtp_c->rtp_ctx[stream_index]) {
2916 rtsp_reply_error(c, RTSP_STATUS_STATE);
2920 /* check transport */
2921 th = find_transport(h, rtp_c->rtp_protocol);
2922 if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
2923 th->client_port_min <= 0)) {
2924 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2928 /* setup default options */
2929 setup.transport_option[0] = '\0';
2930 dest_addr = rtp_c->from_addr;
2931 dest_addr.sin_port = htons(th->client_port_min);
2934 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2935 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2939 /* now everything is OK, so we can send the connection parameters */
2940 rtsp_reply_header(c, RTSP_STATUS_OK);
2942 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2944 switch(rtp_c->rtp_protocol) {
2945 case RTSP_LOWER_TRANSPORT_UDP:
2946 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2947 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2948 "client_port=%d-%d;server_port=%d-%d",
2949 th->client_port_min, th->client_port_min + 1,
2952 case RTSP_LOWER_TRANSPORT_TCP:
2953 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2954 stream_index * 2, stream_index * 2 + 1);
2959 if (setup.transport_option[0] != '\0')
2960 url_fprintf(c->pb, ";%s", setup.transport_option);
2961 url_fprintf(c->pb, "\r\n");
2964 url_fprintf(c->pb, "\r\n");
2968 /* find an rtp connection by using the session ID. Check consistency
2970 static HTTPContext *find_rtp_session_with_url(const char *url,
2971 const char *session_id)
2979 rtp_c = find_rtp_session(session_id);
2983 /* find which url is asked */
2984 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2988 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2989 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2990 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2991 rtp_c->stream->filename, s);
2992 if(!strncmp(path, buf, sizeof(buf))) {
2993 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
3000 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3004 rtp_c = find_rtp_session_with_url(url, h->session_id);
3006 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3010 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3011 rtp_c->state != HTTPSTATE_WAIT_FEED &&
3012 rtp_c->state != HTTPSTATE_READY) {
3013 rtsp_reply_error(c, RTSP_STATUS_STATE);
3018 /* XXX: seek in stream */
3019 if (h->range_start != AV_NOPTS_VALUE) {
3020 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
3021 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
3025 rtp_c->state = HTTPSTATE_SEND_DATA;
3027 /* now everything is OK, so we can send the connection parameters */
3028 rtsp_reply_header(c, RTSP_STATUS_OK);
3030 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3031 url_fprintf(c->pb, "\r\n");
3034 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3038 rtp_c = find_rtp_session_with_url(url, h->session_id);
3040 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3044 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3045 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3046 rtsp_reply_error(c, RTSP_STATUS_STATE);
3050 rtp_c->state = HTTPSTATE_READY;
3051 rtp_c->first_pts = AV_NOPTS_VALUE;
3052 /* now everything is OK, so we can send the connection parameters */
3053 rtsp_reply_header(c, RTSP_STATUS_OK);
3055 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3056 url_fprintf(c->pb, "\r\n");
3059 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3062 char session_id[32];
3064 rtp_c = find_rtp_session_with_url(url, h->session_id);
3066 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3070 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3072 /* abort the session */
3073 close_connection(rtp_c);
3075 /* now everything is OK, so we can send the connection parameters */
3076 rtsp_reply_header(c, RTSP_STATUS_OK);
3078 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3079 url_fprintf(c->pb, "\r\n");
3083 /********************************************************************/
3086 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3087 FFStream *stream, const char *session_id,
3088 enum RTSPLowerTransport rtp_protocol)
3090 HTTPContext *c = NULL;
3091 const char *proto_str;
3093 /* XXX: should output a warning page when coming
3094 close to the connection limit */
3095 if (nb_connections >= nb_max_connections)
3098 /* add a new connection */
3099 c = av_mallocz(sizeof(HTTPContext));
3104 c->poll_entry = NULL;
3105 c->from_addr = *from_addr;
3106 c->buffer_size = IOBUFFER_INIT_SIZE;
3107 c->buffer = av_malloc(c->buffer_size);
3112 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3113 c->state = HTTPSTATE_READY;
3114 c->is_packetized = 1;
3115 c->rtp_protocol = rtp_protocol;
3117 /* protocol is shown in statistics */
3118 switch(c->rtp_protocol) {
3119 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3120 proto_str = "MCAST";
3122 case RTSP_LOWER_TRANSPORT_UDP:
3125 case RTSP_LOWER_TRANSPORT_TCP:
3132 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3133 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3135 current_bandwidth += stream->bandwidth;
3137 c->next = first_http_ctx;
3149 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3150 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3152 static int rtp_new_av_stream(HTTPContext *c,
3153 int stream_index, struct sockaddr_in *dest_addr,
3154 HTTPContext *rtsp_c)
3156 AVFormatContext *ctx;
3159 URLContext *h = NULL;
3161 int max_packet_size;
3163 /* now we can open the relevant output stream */
3164 ctx = avformat_alloc_context();
3167 ctx->oformat = guess_format("rtp", NULL, NULL);
3169 st = av_mallocz(sizeof(AVStream));
3172 st->codec= avcodec_alloc_context();
3173 ctx->nb_streams = 1;
3174 ctx->streams[0] = st;
3176 if (!c->stream->feed ||
3177 c->stream->feed == c->stream)
3178 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3181 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3183 st->priv_data = NULL;
3185 /* build destination RTP address */
3186 ipaddr = inet_ntoa(dest_addr->sin_addr);
3188 switch(c->rtp_protocol) {
3189 case RTSP_LOWER_TRANSPORT_UDP:
3190 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3193 /* XXX: also pass as parameter to function ? */
3194 if (c->stream->is_multicast) {
3196 ttl = c->stream->multicast_ttl;
3199 snprintf(ctx->filename, sizeof(ctx->filename),
3200 "rtp://%s:%d?multicast=1&ttl=%d",
3201 ipaddr, ntohs(dest_addr->sin_port), ttl);
3203 snprintf(ctx->filename, sizeof(ctx->filename),
3204 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3207 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3209 c->rtp_handles[stream_index] = h;
3210 max_packet_size = url_get_max_packet_size(h);
3212 case RTSP_LOWER_TRANSPORT_TCP:
3215 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3221 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3222 ipaddr, ntohs(dest_addr->sin_port),
3223 c->stream->filename, stream_index, c->protocol);
3225 /* normally, no packets should be output here, but the packet size may be checked */
3226 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3227 /* XXX: close stream */
3230 av_set_parameters(ctx, NULL);
3231 if (av_write_header(ctx) < 0) {
3238 url_close_dyn_buf(ctx->pb, &dummy_buf);
3241 c->rtp_ctx[stream_index] = ctx;
3245 /********************************************************************/
3246 /* ffserver initialization */
3248 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3252 fst = av_mallocz(sizeof(AVStream));
3255 fst->codec= avcodec_alloc_context();
3256 fst->priv_data = av_mallocz(sizeof(FeedData));
3257 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3258 fst->index = stream->nb_streams;
3259 av_set_pts_info(fst, 33, 1, 90000);
3260 stream->streams[stream->nb_streams++] = fst;
3264 /* return the stream number in the feed */
3265 static int add_av_stream(FFStream *feed, AVStream *st)
3268 AVCodecContext *av, *av1;
3272 for(i=0;i<feed->nb_streams;i++) {
3273 st = feed->streams[i];
3275 if (av1->codec_id == av->codec_id &&
3276 av1->codec_type == av->codec_type &&
3277 av1->bit_rate == av->bit_rate) {
3279 switch(av->codec_type) {
3280 case CODEC_TYPE_AUDIO:
3281 if (av1->channels == av->channels &&
3282 av1->sample_rate == av->sample_rate)
3285 case CODEC_TYPE_VIDEO:
3286 if (av1->width == av->width &&
3287 av1->height == av->height &&
3288 av1->time_base.den == av->time_base.den &&
3289 av1->time_base.num == av->time_base.num &&
3290 av1->gop_size == av->gop_size)
3299 fst = add_av_stream1(feed, av);
3302 return feed->nb_streams - 1;
3307 static void remove_stream(FFStream *stream)
3311 while (*ps != NULL) {
3319 /* specific mpeg4 handling : we extract the raw parameters */
3320 static void extract_mpeg4_header(AVFormatContext *infile)
3322 int mpeg4_count, i, size;
3328 for(i=0;i<infile->nb_streams;i++) {
3329 st = infile->streams[i];
3330 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3331 st->codec->extradata_size == 0) {
3338 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3339 while (mpeg4_count > 0) {
3340 if (av_read_packet(infile, &pkt) < 0)
3342 st = infile->streams[pkt.stream_index];
3343 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3344 st->codec->extradata_size == 0) {
3345 av_freep(&st->codec->extradata);
3346 /* fill extradata with the header */
3347 /* XXX: we make hard suppositions here ! */
3349 while (p < pkt.data + pkt.size - 4) {
3350 /* stop when vop header is found */
3351 if (p[0] == 0x00 && p[1] == 0x00 &&
3352 p[2] == 0x01 && p[3] == 0xb6) {
3353 size = p - pkt.data;
3354 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3355 st->codec->extradata = av_malloc(size);
3356 st->codec->extradata_size = size;
3357 memcpy(st->codec->extradata, pkt.data, size);
3364 av_free_packet(&pkt);
3368 /* compute the needed AVStream for each file */
3369 static void build_file_streams(void)
3371 FFStream *stream, *stream_next;
3372 AVFormatContext *infile;
3375 /* gather all streams */
3376 for(stream = first_stream; stream != NULL; stream = stream_next) {
3377 stream_next = stream->next;
3378 if (stream->stream_type == STREAM_TYPE_LIVE &&
3380 /* the stream comes from a file */
3381 /* try to open the file */
3383 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3384 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3385 /* specific case : if transport stream output to RTP,
3386 we use a raw transport stream reader */
3387 stream->ap_in->mpeg2ts_raw = 1;
3388 stream->ap_in->mpeg2ts_compute_pcr = 1;
3391 http_log("Opening file '%s'\n", stream->feed_filename);
3392 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3393 stream->ifmt, 0, stream->ap_in)) < 0) {
3394 http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
3395 /* remove stream (no need to spend more time on it) */
3397 remove_stream(stream);
3399 /* find all the AVStreams inside and reference them in
3401 if (av_find_stream_info(infile) < 0) {
3402 http_log("Could not find codec parameters from '%s'\n",
3403 stream->feed_filename);
3404 av_close_input_file(infile);
3407 extract_mpeg4_header(infile);
3409 for(i=0;i<infile->nb_streams;i++)
3410 add_av_stream1(stream, infile->streams[i]->codec);
3412 av_close_input_file(infile);
3418 /* compute the needed AVStream for each feed */
3419 static void build_feed_streams(void)
3421 FFStream *stream, *feed;
3424 /* gather all streams */
3425 for(stream = first_stream; stream != NULL; stream = stream->next) {
3426 feed = stream->feed;
3428 if (!stream->is_feed) {
3429 /* we handle a stream coming from a feed */
3430 for(i=0;i<stream->nb_streams;i++)
3431 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3436 /* gather all streams */
3437 for(stream = first_stream; stream != NULL; stream = stream->next) {
3438 feed = stream->feed;
3440 if (stream->is_feed) {
3441 for(i=0;i<stream->nb_streams;i++)
3442 stream->feed_streams[i] = i;
3447 /* create feed files if needed */
3448 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3451 if (url_exist(feed->feed_filename)) {
3452 /* See if it matches */
3456 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3457 /* Now see if it matches */
3458 if (s->nb_streams == feed->nb_streams) {
3460 for(i=0;i<s->nb_streams;i++) {
3462 sf = feed->streams[i];
3465 if (sf->index != ss->index ||
3467 http_log("Index & Id do not match for stream %d (%s)\n",
3468 i, feed->feed_filename);
3471 AVCodecContext *ccf, *ccs;
3475 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3477 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3478 http_log("Codecs do not match for stream %d\n", i);
3480 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3481 http_log("Codec bitrates do not match for stream %d\n", i);
3483 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3484 if (CHECK_CODEC(time_base.den) ||
3485 CHECK_CODEC(time_base.num) ||
3486 CHECK_CODEC(width) ||
3487 CHECK_CODEC(height)) {
3488 http_log("Codec width, height and framerate do not match for stream %d\n", i);
3491 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3492 if (CHECK_CODEC(sample_rate) ||
3493 CHECK_CODEC(channels) ||
3494 CHECK_CODEC(frame_size)) {
3495 http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3499 http_log("Unknown codec type\n");
3507 http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3508 feed->feed_filename, s->nb_streams, feed->nb_streams);
3510 av_close_input_file(s);
3512 http_log("Deleting feed file '%s' as it appears to be corrupt\n",
3513 feed->feed_filename);
3516 if (feed->readonly) {
3517 http_log("Unable to delete feed file '%s' as it is marked readonly\n",
3518 feed->feed_filename);
3521 unlink(feed->feed_filename);
3524 if (!url_exist(feed->feed_filename)) {
3525 AVFormatContext s1 = {0}, *s = &s1;
3527 if (feed->readonly) {
3528 http_log("Unable to create feed file '%s' as it is marked readonly\n",
3529 feed->feed_filename);
3533 /* only write the header of the ffm file */
3534 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3535 http_log("Could not open output feed file '%s'\n",
3536 feed->feed_filename);
3539 s->oformat = feed->fmt;
3540 s->nb_streams = feed->nb_streams;
3541 for(i=0;i<s->nb_streams;i++) {
3543 st = feed->streams[i];
3546 av_set_parameters(s, NULL);
3547 if (av_write_header(s) < 0) {
3548 http_log("Container doesn't supports the required parameters\n");
3551 /* XXX: need better api */
3552 av_freep(&s->priv_data);
3555 /* get feed size and write index */
3556 fd = open(feed->feed_filename, O_RDONLY);
3558 http_log("Could not open output feed file '%s'\n",
3559 feed->feed_filename);
3563 feed->feed_write_index = ffm_read_write_index(fd);
3564 feed->feed_size = lseek(fd, 0, SEEK_END);
3565 /* ensure that we do not wrap before the end of file */
3566 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3567 feed->feed_max_size = feed->feed_size;
3573 /* compute the bandwidth used by each stream */
3574 static void compute_bandwidth(void)
3580 for(stream = first_stream; stream != NULL; stream = stream->next) {
3582 for(i=0;i<stream->nb_streams;i++) {
3583 AVStream *st = stream->streams[i];
3584 switch(st->codec->codec_type) {
3585 case CODEC_TYPE_AUDIO:
3586 case CODEC_TYPE_VIDEO:
3587 bandwidth += st->codec->bit_rate;
3593 stream->bandwidth = (bandwidth + 999) / 1000;
3597 static void get_arg(char *buf, int buf_size, const char **pp)
3604 while (isspace(*p)) p++;
3607 if (*p == '\"' || *p == '\'')
3619 if ((q - buf) < buf_size - 1)
3624 if (quote && *p == quote)
3629 /* add a codec and set the default parameters */
3630 static void add_codec(FFStream *stream, AVCodecContext *av)
3634 /* compute default parameters */
3635 switch(av->codec_type) {
3636 case CODEC_TYPE_AUDIO:
3637 if (av->bit_rate == 0)
3638 av->bit_rate = 64000;
3639 if (av->sample_rate == 0)
3640 av->sample_rate = 22050;
3641 if (av->channels == 0)
3644 case CODEC_TYPE_VIDEO:
3645 if (av->bit_rate == 0)
3646 av->bit_rate = 64000;
3647 if (av->time_base.num == 0){
3648 av->time_base.den = 5;
3649 av->time_base.num = 1;
3651 if (av->width == 0 || av->height == 0) {
3655 /* Bitrate tolerance is less for streaming */
3656 if (av->bit_rate_tolerance == 0)
3657 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3658 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3663 if (av->max_qdiff == 0)
3665 av->qcompress = 0.5;
3668 if (!av->nsse_weight)
3669 av->nsse_weight = 8;
3671 av->frame_skip_cmp = FF_CMP_DCTMAX;
3672 av->me_method = ME_EPZS;
3673 av->rc_buffer_aggressivity = 1.0;
3676 av->rc_eq = "tex^qComp";
3677 if (!av->i_quant_factor)
3678 av->i_quant_factor = -0.8;
3679 if (!av->b_quant_factor)
3680 av->b_quant_factor = 1.25;
3681 if (!av->b_quant_offset)
3682 av->b_quant_offset = 1.25;
3683 if (!av->rc_max_rate)
3684 av->rc_max_rate = av->bit_rate * 2;
3686 if (av->rc_max_rate && !av->rc_buffer_size) {
3687 av->rc_buffer_size = av->rc_max_rate;
3696 st = av_mallocz(sizeof(AVStream));
3699 st->codec = avcodec_alloc_context();
3700 stream->streams[stream->nb_streams++] = st;
3701 memcpy(st->codec, av, sizeof(AVCodecContext));
3704 static enum CodecID opt_audio_codec(const char *arg)
3706 AVCodec *p= avcodec_find_encoder_by_name(arg);
3708 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3709 return CODEC_ID_NONE;
3714 static enum CodecID opt_video_codec(const char *arg)
3716 AVCodec *p= avcodec_find_encoder_by_name(arg);
3718 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3719 return CODEC_ID_NONE;
3724 /* simplistic plugin support */
3727 static void load_module(const char *filename)
3730 void (*init_func)(void);
3731 dll = dlopen(filename, RTLD_NOW);
3733 fprintf(stderr, "Could not load module '%s' - %s\n",
3734 filename, dlerror());
3738 init_func = dlsym(dll, "ffserver_module_init");
3741 "%s: init function 'ffserver_module_init()' not found\n",
3750 static int ffserver_opt_default(const char *opt, const char *arg,
3751 AVCodecContext *avctx, int type)
3754 const AVOption *o = av_find_opt(avctx, opt, NULL, type, type);
3756 ret = av_set_string3(avctx, opt, arg, 1, NULL);
3760 static int parse_ffconfig(const char *filename)
3767 int val, errors, line_num;
3768 FFStream **last_stream, *stream, *redirect;
3769 FFStream **last_feed, *feed, *s;
3770 AVCodecContext audio_enc, video_enc;
3771 enum CodecID audio_id, video_id;
3773 f = fopen(filename, "r");
3781 first_stream = NULL;
3782 last_stream = &first_stream;
3784 last_feed = &first_feed;
3788 audio_id = CODEC_ID_NONE;
3789 video_id = CODEC_ID_NONE;
3791 if (fgets(line, sizeof(line), f) == NULL)
3797 if (*p == '\0' || *p == '#')
3800 get_arg(cmd, sizeof(cmd), &p);
3802 if (!strcasecmp(cmd, "Port")) {
3803 get_arg(arg, sizeof(arg), &p);
3805 if (val < 1 || val > 65536) {
3806 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3807 filename, line_num, arg);
3810 my_http_addr.sin_port = htons(val);
3811 } else if (!strcasecmp(cmd, "BindAddress")) {
3812 get_arg(arg, sizeof(arg), &p);
3813 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3814 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3815 filename, line_num, arg);
3818 } else if (!strcasecmp(cmd, "NoDaemon")) {
3819 ffserver_daemon = 0;
3820 } else if (!strcasecmp(cmd, "RTSPPort")) {
3821 get_arg(arg, sizeof(arg), &p);
3823 if (val < 1 || val > 65536) {
3824 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3825 filename, line_num, arg);
3828 my_rtsp_addr.sin_port = htons(atoi(arg));
3829 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3830 get_arg(arg, sizeof(arg), &p);
3831 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3832 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3833 filename, line_num, arg);
3836 } else if (!strcasecmp(cmd, "MaxHTTPConnections")) {
3837 get_arg(arg, sizeof(arg), &p);
3839 if (val < 1 || val > 65536) {
3840 fprintf(stderr, "%s:%d: Invalid MaxHTTPConnections: %s\n",
3841 filename, line_num, arg);
3844 nb_max_http_connections = val;
3845 } else if (!strcasecmp(cmd, "MaxClients")) {
3846 get_arg(arg, sizeof(arg), &p);
3848 if (val < 1 || val > nb_max_http_connections) {
3849 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3850 filename, line_num, arg);
3853 nb_max_connections = val;
3855 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3857 get_arg(arg, sizeof(arg), &p);
3859 if (llval < 10 || llval > 10000000) {
3860 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3861 filename, line_num, arg);
3864 max_bandwidth = llval;
3865 } else if (!strcasecmp(cmd, "CustomLog")) {
3866 if (!ffserver_debug)
3867 get_arg(logfilename, sizeof(logfilename), &p);
3868 } else if (!strcasecmp(cmd, "<Feed")) {
3869 /*********************************************/
3870 /* Feed related options */
3872 if (stream || feed) {
3873 fprintf(stderr, "%s:%d: Already in a tag\n",
3874 filename, line_num);
3876 feed = av_mallocz(sizeof(FFStream));
3877 get_arg(feed->filename, sizeof(feed->filename), &p);
3878 q = strrchr(feed->filename, '>');
3882 for (s = first_feed; s; s = s->next) {
3883 if (!strcmp(feed->filename, s->filename)) {
3884 fprintf(stderr, "%s:%d: Feed '%s' already registered\n",
3885 filename, line_num, s->filename);
3890 feed->fmt = guess_format("ffm", NULL, NULL);
3891 /* defaut feed file */
3892 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3893 "/tmp/%s.ffm", feed->filename);
3894 feed->feed_max_size = 5 * 1024 * 1024;
3896 feed->feed = feed; /* self feeding :-) */
3898 /* add in stream list */
3899 *last_stream = feed;
3900 last_stream = &feed->next;
3901 /* add in feed list */
3903 last_feed = &feed->next_feed;
3905 } else if (!strcasecmp(cmd, "Launch")) {
3909 feed->child_argv = av_mallocz(64 * sizeof(char *));
3911 for (i = 0; i < 62; i++) {
3912 get_arg(arg, sizeof(arg), &p);
3916 feed->child_argv[i] = av_strdup(arg);
3919 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3921 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3923 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3924 inet_ntoa(my_http_addr.sin_addr),
3925 ntohs(my_http_addr.sin_port), feed->filename);
3927 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3929 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3931 } else if (stream) {
3932 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3934 } else if (!strcasecmp(cmd, "File")) {
3936 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3938 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3939 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3944 get_arg(arg, sizeof(arg), &p);
3946 fsize = strtod(p1, &p1);
3947 switch(toupper(*p1)) {
3952 fsize *= 1024 * 1024;
3955 fsize *= 1024 * 1024 * 1024;
3958 feed->feed_max_size = (int64_t)fsize;
3960 } else if (!strcasecmp(cmd, "</Feed>")) {
3962 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3963 filename, line_num);
3967 } else if (!strcasecmp(cmd, "<Stream")) {
3968 /*********************************************/
3969 /* Stream related options */
3971 if (stream || feed) {
3972 fprintf(stderr, "%s:%d: Already in a tag\n",
3973 filename, line_num);
3976 const AVClass *class;
3977 stream = av_mallocz(sizeof(FFStream));
3978 get_arg(stream->filename, sizeof(stream->filename), &p);
3979 q = strrchr(stream->filename, '>');
3983 for (s = first_stream; s; s = s->next) {
3984 if (!strcmp(stream->filename, s->filename)) {
3985 fprintf(stderr, "%s:%d: Stream '%s' already registered\n",
3986 filename, line_num, s->filename);
3991 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3992 /* fetch avclass so AVOption works
3993 * FIXME try to use avcodec_get_context_defaults2
3994 * without changing defaults too much */
3995 avcodec_get_context_defaults(&video_enc);
3996 class = video_enc.av_class;
3997 memset(&audio_enc, 0, sizeof(AVCodecContext));
3998 memset(&video_enc, 0, sizeof(AVCodecContext));
3999 audio_enc.av_class = class;
4000 video_enc.av_class = class;
4001 audio_id = CODEC_ID_NONE;
4002 video_id = CODEC_ID_NONE;
4004 audio_id = stream->fmt->audio_codec;
4005 video_id = stream->fmt->video_codec;
4008 *last_stream = stream;
4009 last_stream = &stream->next;
4011 } else if (!strcasecmp(cmd, "Feed")) {
4012 get_arg(arg, sizeof(arg), &p);
4017 while (sfeed != NULL) {
4018 if (!strcmp(sfeed->filename, arg))
4020 sfeed = sfeed->next_feed;
4023 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
4024 filename, line_num, arg);
4026 stream->feed = sfeed;
4028 } else if (!strcasecmp(cmd, "Format")) {
4029 get_arg(arg, sizeof(arg), &p);
4031 if (!strcmp(arg, "status")) {
4032 stream->stream_type = STREAM_TYPE_STATUS;
4035 stream->stream_type = STREAM_TYPE_LIVE;
4036 /* jpeg cannot be used here, so use single frame jpeg */
4037 if (!strcmp(arg, "jpeg"))
4038 strcpy(arg, "mjpeg");
4039 stream->fmt = guess_stream_format(arg, NULL, NULL);
4041 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
4042 filename, line_num, arg);
4047 audio_id = stream->fmt->audio_codec;
4048 video_id = stream->fmt->video_codec;
4051 } else if (!strcasecmp(cmd, "InputFormat")) {
4052 get_arg(arg, sizeof(arg), &p);
4054 stream->ifmt = av_find_input_format(arg);
4055 if (!stream->ifmt) {
4056 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4057 filename, line_num, arg);
4060 } else if (!strcasecmp(cmd, "FaviconURL")) {
4061 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4062 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4064 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4065 filename, line_num);
4068 } else if (!strcasecmp(cmd, "Author")) {
4070 get_arg(stream->author, sizeof(stream->author), &p);
4071 } else if (!strcasecmp(cmd, "Comment")) {
4073 get_arg(stream->comment, sizeof(stream->comment), &p);
4074 } else if (!strcasecmp(cmd, "Copyright")) {
4076 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4077 } else if (!strcasecmp(cmd, "Title")) {
4079 get_arg(stream->title, sizeof(stream->title), &p);
4080 } else if (!strcasecmp(cmd, "Preroll")) {
4081 get_arg(arg, sizeof(arg), &p);
4083 stream->prebuffer = atof(arg) * 1000;
4084 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4086 stream->send_on_key = 1;
4087 } else if (!strcasecmp(cmd, "AudioCodec")) {
4088 get_arg(arg, sizeof(arg), &p);
4089 audio_id = opt_audio_codec(arg);
4090 if (audio_id == CODEC_ID_NONE) {
4091 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4092 filename, line_num, arg);
4095 } else if (!strcasecmp(cmd, "VideoCodec")) {
4096 get_arg(arg, sizeof(arg), &p);
4097 video_id = opt_video_codec(arg);
4098 if (video_id == CODEC_ID_NONE) {
4099 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4100 filename, line_num, arg);
4103 } else if (!strcasecmp(cmd, "MaxTime")) {
4104 get_arg(arg, sizeof(arg), &p);
4106 stream->max_time = atof(arg) * 1000;
4107 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4108 get_arg(arg, sizeof(arg), &p);
4110 audio_enc.bit_rate = atoi(arg) * 1000;
4111 } else if (!strcasecmp(cmd, "AudioChannels")) {
4112 get_arg(arg, sizeof(arg), &p);
4114 audio_enc.channels = atoi(arg);
4115 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 audio_enc.sample_rate = atoi(arg);
4119 } else if (!strcasecmp(cmd, "AudioQuality")) {
4120 get_arg(arg, sizeof(arg), &p);
4122 // audio_enc.quality = atof(arg) * 1000;
4124 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4126 int minrate, maxrate;
4128 get_arg(arg, sizeof(arg), &p);
4130 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4131 video_enc.rc_min_rate = minrate * 1000;
4132 video_enc.rc_max_rate = maxrate * 1000;
4134 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4135 filename, line_num, arg);
4139 } else if (!strcasecmp(cmd, "Debug")) {
4141 get_arg(arg, sizeof(arg), &p);
4142 video_enc.debug = strtol(arg,0,0);
4144 } else if (!strcasecmp(cmd, "Strict")) {
4146 get_arg(arg, sizeof(arg), &p);
4147 video_enc.strict_std_compliance = atoi(arg);
4149 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4151 get_arg(arg, sizeof(arg), &p);
4152 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4154 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4156 get_arg(arg, sizeof(arg), &p);
4157 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4159 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4160 get_arg(arg, sizeof(arg), &p);
4162 video_enc.bit_rate = atoi(arg) * 1000;
4164 } else if (!strcasecmp(cmd, "VideoSize")) {
4165 get_arg(arg, sizeof(arg), &p);
4167 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4168 if ((video_enc.width % 16) != 0 ||
4169 (video_enc.height % 16) != 0) {
4170 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4171 filename, line_num);
4175 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4176 get_arg(arg, sizeof(arg), &p);
4178 AVRational frame_rate;
4179 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4180 fprintf(stderr, "Incorrect frame rate\n");
4183 video_enc.time_base.num = frame_rate.den;
4184 video_enc.time_base.den = frame_rate.num;
4187 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4188 get_arg(arg, sizeof(arg), &p);
4190 video_enc.gop_size = atoi(arg);
4191 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4193 video_enc.gop_size = 1;
4194 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4196 video_enc.mb_decision = FF_MB_DECISION_BITS;
4197 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4199 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4200 video_enc.flags |= CODEC_FLAG_4MV;
4202 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4203 !strcasecmp(cmd, "AVOptionAudio")) {
4205 AVCodecContext *avctx;
4207 get_arg(arg, sizeof(arg), &p);
4208 get_arg(arg2, sizeof(arg2), &p);
4209 if (!strcasecmp(cmd, "AVOptionVideo")) {
4211 type = AV_OPT_FLAG_VIDEO_PARAM;
4214 type = AV_OPT_FLAG_AUDIO_PARAM;
4216 if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4217 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4220 } else if (!strcasecmp(cmd, "VideoTag")) {
4221 get_arg(arg, sizeof(arg), &p);
4222 if ((strlen(arg) == 4) && stream)
4223 video_enc.codec_tag = AV_RL32(arg);
4224 } else if (!strcasecmp(cmd, "BitExact")) {
4226 video_enc.flags |= CODEC_FLAG_BITEXACT;
4227 } else if (!strcasecmp(cmd, "DctFastint")) {
4229 video_enc.dct_algo = FF_DCT_FASTINT;
4230 } else if (!strcasecmp(cmd, "IdctSimple")) {
4232 video_enc.idct_algo = FF_IDCT_SIMPLE;
4233 } else if (!strcasecmp(cmd, "Qscale")) {
4234 get_arg(arg, sizeof(arg), &p);
4236 video_enc.flags |= CODEC_FLAG_QSCALE;
4237 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4239 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4240 get_arg(arg, sizeof(arg), &p);
4242 video_enc.max_qdiff = atoi(arg);
4243 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4244 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4245 filename, line_num);
4249 } else if (!strcasecmp(cmd, "VideoQMax")) {
4250 get_arg(arg, sizeof(arg), &p);
4252 video_enc.qmax = atoi(arg);
4253 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4254 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4255 filename, line_num);
4259 } else if (!strcasecmp(cmd, "VideoQMin")) {
4260 get_arg(arg, sizeof(arg), &p);
4262 video_enc.qmin = atoi(arg);
4263 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4264 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4265 filename, line_num);
4269 } else if (!strcasecmp(cmd, "LumaElim")) {
4270 get_arg(arg, sizeof(arg), &p);
4272 video_enc.luma_elim_threshold = atoi(arg);
4273 } else if (!strcasecmp(cmd, "ChromaElim")) {
4274 get_arg(arg, sizeof(arg), &p);
4276 video_enc.chroma_elim_threshold = atoi(arg);
4277 } else if (!strcasecmp(cmd, "LumiMask")) {
4278 get_arg(arg, sizeof(arg), &p);
4280 video_enc.lumi_masking = atof(arg);
4281 } else if (!strcasecmp(cmd, "DarkMask")) {
4282 get_arg(arg, sizeof(arg), &p);
4284 video_enc.dark_masking = atof(arg);
4285 } else if (!strcasecmp(cmd, "NoVideo")) {
4286 video_id = CODEC_ID_NONE;
4287 } else if (!strcasecmp(cmd, "NoAudio")) {
4288 audio_id = CODEC_ID_NONE;
4289 } else if (!strcasecmp(cmd, "ACL")) {
4292 get_arg(arg, sizeof(arg), &p);
4293 if (strcasecmp(arg, "allow") == 0)
4294 acl.action = IP_ALLOW;
4295 else if (strcasecmp(arg, "deny") == 0)
4296 acl.action = IP_DENY;
4298 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4299 filename, line_num, arg);
4303 get_arg(arg, sizeof(arg), &p);
4305 if (resolve_host(&acl.first, arg) != 0) {
4306 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4307 filename, line_num, arg);
4310 acl.last = acl.first;
4312 get_arg(arg, sizeof(arg), &p);
4315 if (resolve_host(&acl.last, arg) != 0) {
4316 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4317 filename, line_num, arg);
4323 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4324 IPAddressACL **naclp = 0;
4330 naclp = &stream->acl;
4334 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4335 filename, line_num);
4341 naclp = &(*naclp)->next;
4346 } else if (!strcasecmp(cmd, "RTSPOption")) {
4347 get_arg(arg, sizeof(arg), &p);
4349 av_freep(&stream->rtsp_option);
4350 stream->rtsp_option = av_strdup(arg);
4352 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4353 get_arg(arg, sizeof(arg), &p);
4355 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4356 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4357 filename, line_num, arg);
4360 stream->is_multicast = 1;
4361 stream->loop = 1; /* default is looping */
4363 } else if (!strcasecmp(cmd, "MulticastPort")) {
4364 get_arg(arg, sizeof(arg), &p);
4366 stream->multicast_port = atoi(arg);
4367 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4368 get_arg(arg, sizeof(arg), &p);
4370 stream->multicast_ttl = atoi(arg);
4371 } else if (!strcasecmp(cmd, "NoLoop")) {
4374 } else if (!strcasecmp(cmd, "</Stream>")) {
4376 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4377 filename, line_num);
4380 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4381 if (audio_id != CODEC_ID_NONE) {
4382 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4383 audio_enc.codec_id = audio_id;
4384 add_codec(stream, &audio_enc);
4386 if (video_id != CODEC_ID_NONE) {
4387 video_enc.codec_type = CODEC_TYPE_VIDEO;
4388 video_enc.codec_id = video_id;
4389 add_codec(stream, &video_enc);
4394 } else if (!strcasecmp(cmd, "<Redirect")) {
4395 /*********************************************/
4397 if (stream || feed || redirect) {
4398 fprintf(stderr, "%s:%d: Already in a tag\n",
4399 filename, line_num);
4402 redirect = av_mallocz(sizeof(FFStream));
4403 *last_stream = redirect;
4404 last_stream = &redirect->next;
4406 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4407 q = strrchr(redirect->filename, '>');
4410 redirect->stream_type = STREAM_TYPE_REDIRECT;
4412 } else if (!strcasecmp(cmd, "URL")) {
4414 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4415 } else if (!strcasecmp(cmd, "</Redirect>")) {
4417 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4418 filename, line_num);
4421 if (!redirect->feed_filename[0]) {
4422 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4423 filename, line_num);
4428 } else if (!strcasecmp(cmd, "LoadModule")) {
4429 get_arg(arg, sizeof(arg), &p);
4433 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4434 filename, line_num, arg);
4438 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4439 filename, line_num, cmd);
4450 static void handle_child_exit(int sig)
4455 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4458 for (feed = first_feed; feed; feed = feed->next) {
4459 if (feed->pid == pid) {
4460 int uptime = time(0) - feed->pid_start;
4463 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4466 /* Turn off any more restarts */
4467 feed->child_argv = 0;
4472 need_to_start_children = 1;
4475 static void opt_debug(void)
4478 ffserver_daemon = 0;
4479 logfilename[0] = '-';
4482 static void opt_show_help(void)
4484 printf("usage: ffserver [options]\n"
4485 "Hyper fast multi format Audio/Video streaming server\n");
4487 show_help_options(options, "Main options:\n", 0, 0);
4490 static const OptionDef options[] = {
4491 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4492 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4493 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4494 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4495 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4496 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4497 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4501 int main(int argc, char **argv)
4503 struct sigaction sigact;
4509 config_filename = "/etc/ffserver.conf";
4511 my_program_name = argv[0];
4512 my_program_dir = getcwd(0, 0);
4513 ffserver_daemon = 1;
4515 parse_options(argc, argv, options, NULL);
4517 unsetenv("http_proxy"); /* Kill the http_proxy */
4519 av_lfg_init(&random_state, ff_random_get_seed());
4521 memset(&sigact, 0, sizeof(sigact));
4522 sigact.sa_handler = handle_child_exit;
4523 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4524 sigaction(SIGCHLD, &sigact, 0);
4526 if (parse_ffconfig(config_filename) < 0) {
4527 fprintf(stderr, "Incorrect config file - exiting.\n");
4531 /* open log file if needed */
4532 if (logfilename[0] != '\0') {
4533 if (!strcmp(logfilename, "-"))
4536 logfile = fopen(logfilename, "a");
4537 av_log_set_callback(http_av_log);
4540 build_file_streams();
4542 build_feed_streams();
4544 compute_bandwidth();
4546 /* put the process in background and detach it from its TTY */
4547 if (ffserver_daemon) {
4554 } else if (pid > 0) {
4561 open("/dev/null", O_RDWR);
4562 if (strcmp(logfilename, "-") != 0) {
4572 signal(SIGPIPE, SIG_IGN);
4574 if (ffserver_daemon)
4577 if (http_server() < 0) {
4578 http_log("Could not start server\n");