2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef HAVE_CLOSESOCKET
24 #define closesocket close
28 #include "libavutil/random.h"
29 #include "libavutil/avstring.h"
30 #include "libavformat/avformat.h"
31 #include "libavformat/network.h"
32 #include "libavformat/os_support.h"
33 #include "libavformat/rtp.h"
34 #include "libavformat/rtsp.h"
39 #include <sys/ioctl.h>
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
58 const char program_name[] = "FFserver";
59 const int program_birth_year = 2000;
61 static const OptionDef options[];
63 /* maximum number of simultaneous HTTP connections */
64 #define HTTP_MAX_CONNECTIONS 2000
67 HTTPSTATE_WAIT_REQUEST,
68 HTTPSTATE_SEND_HEADER,
69 HTTPSTATE_SEND_DATA_HEADER,
70 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
71 HTTPSTATE_SEND_DATA_TRAILER,
72 HTTPSTATE_RECEIVE_DATA,
73 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
76 RTSPSTATE_WAIT_REQUEST,
78 RTSPSTATE_SEND_PACKET,
81 const char *http_state[] = {
97 #define IOBUFFER_INIT_SIZE 8192
99 /* timeouts are in ms */
100 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
101 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
103 #define SYNC_TIMEOUT (10 * 1000)
106 int64_t count1, count2;
107 int64_t time1, time2;
110 /* context associated with one connection */
111 typedef struct HTTPContext {
112 enum HTTPState state;
113 int fd; /* socket file descriptor */
114 struct sockaddr_in from_addr; /* origin */
115 struct pollfd *poll_entry; /* used when polling */
117 uint8_t *buffer_ptr, *buffer_end;
120 struct HTTPContext *next;
121 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
125 /* input format handling */
126 AVFormatContext *fmt_in;
127 int64_t start_time; /* In milliseconds - this wraps fairly often */
128 int64_t first_pts; /* initial pts value */
129 int64_t cur_pts; /* current pts value from the stream in us */
130 int64_t cur_frame_duration; /* duration of the current frame in us */
131 int cur_frame_bytes; /* output frame size, needed to compute
132 the time at which we send each
134 int pts_stream_index; /* stream we choose as clock reference */
135 int64_t cur_clock; /* current clock reference value in us */
136 /* output format handling */
137 struct FFStream *stream;
138 /* -1 is invalid stream */
139 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
140 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
142 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
143 int last_packet_sent; /* true if last data packet was sent */
145 DataRateData datarate;
152 int is_packetized; /* if true, the stream is packetized */
153 int packet_stream_index; /* current stream for output in state machine */
155 /* RTSP state specific */
156 uint8_t *pb_buffer; /* XXX: use that in all the code */
158 int seq; /* RTSP sequence number */
160 /* RTP state specific */
161 enum RTSPProtocol rtp_protocol;
162 char session_id[32]; /* session id */
163 AVFormatContext *rtp_ctx[MAX_STREAMS];
165 /* RTP/UDP specific */
166 URLContext *rtp_handles[MAX_STREAMS];
168 /* RTP/TCP specific */
169 struct HTTPContext *rtsp_c;
170 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
173 /* each generated stream is described here */
177 STREAM_TYPE_REDIRECT,
180 enum IPAddressAction {
185 typedef struct IPAddressACL {
186 struct IPAddressACL *next;
187 enum IPAddressAction action;
188 /* These are in host order */
189 struct in_addr first;
193 /* description of each stream of the ffserver.conf file */
194 typedef struct FFStream {
195 enum StreamType stream_type;
196 char filename[1024]; /* stream filename */
197 struct FFStream *feed; /* feed we are using (can be null if
199 AVFormatParameters *ap_in; /* input parameters */
200 AVInputFormat *ifmt; /* if non NULL, force input format */
204 int prebuffer; /* Number of millseconds early to start */
205 int64_t max_time; /* Number of milliseconds to run */
207 AVStream *streams[MAX_STREAMS];
208 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
209 char feed_filename[1024]; /* file name of the feed storage, or
210 input file name for a stream */
215 pid_t pid; /* Of ffmpeg process */
216 time_t pid_start; /* Of ffmpeg process */
218 struct FFStream *next;
219 int bandwidth; /* bandwidth, in kbits/s */
222 /* multicast specific */
224 struct in_addr multicast_ip;
225 int multicast_port; /* first port used for multicast */
227 int loop; /* if true, send the stream in loops (only meaningful if file) */
230 int feed_opened; /* true if someone is writing to the feed */
231 int is_feed; /* true if it is a feed */
232 int readonly; /* True if writing is prohibited to the file */
234 int64_t bytes_served;
235 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
236 int64_t feed_write_index; /* current write position in feed (it wraps around) */
237 int64_t feed_size; /* current size of feed */
238 struct FFStream *next_feed;
241 typedef struct FeedData {
242 long long data_count;
243 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
246 static struct sockaddr_in my_http_addr;
247 static struct sockaddr_in my_rtsp_addr;
249 static char logfilename[1024];
250 static HTTPContext *first_http_ctx;
251 static FFStream *first_feed; /* contains only feeds */
252 static FFStream *first_stream; /* contains all streams, including feeds */
254 static void new_connection(int server_fd, int is_rtsp);
255 static void close_connection(HTTPContext *c);
258 static int handle_connection(HTTPContext *c);
259 static int http_parse_request(HTTPContext *c);
260 static int http_send_data(HTTPContext *c);
261 static void compute_stats(HTTPContext *c);
262 static int open_input_stream(HTTPContext *c, const char *info);
263 static int http_start_receive_data(HTTPContext *c);
264 static int http_receive_data(HTTPContext *c);
267 static int rtsp_parse_request(HTTPContext *c);
268 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
269 static void rtsp_cmd_options(HTTPContext *c, const char *url);
270 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
273 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
276 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
277 struct in_addr my_ip);
280 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
281 FFStream *stream, const char *session_id,
282 enum RTSPProtocol rtp_protocol);
283 static int rtp_new_av_stream(HTTPContext *c,
284 int stream_index, struct sockaddr_in *dest_addr,
285 HTTPContext *rtsp_c);
287 static const char *my_program_name;
288 static const char *my_program_dir;
290 static const char *config_filename;
291 static int ffserver_debug;
292 static int ffserver_daemon;
293 static int no_launch;
294 static int need_to_start_children;
296 static int nb_max_connections;
297 static int nb_connections;
299 static int max_bandwidth;
300 static int current_bandwidth;
302 static int64_t cur_time; // Making this global saves on passing it around everywhere
304 static AVRandomState random_state;
306 static FILE *logfile = NULL;
308 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
314 vfprintf(logfile, fmt, ap);
320 static char *ctime1(char *buf2)
328 p = buf2 + strlen(p) - 1;
334 static void log_connection(HTTPContext *c)
341 http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
342 inet_ntoa(c->from_addr.sin_addr),
343 ctime1(buf2), c->method, c->url,
344 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
347 static void update_datarate(DataRateData *drd, int64_t count)
349 if (!drd->time1 && !drd->count1) {
350 drd->time1 = drd->time2 = cur_time;
351 drd->count1 = drd->count2 = count;
352 } else if (cur_time - drd->time2 > 5000) {
353 drd->time1 = drd->time2;
354 drd->count1 = drd->count2;
355 drd->time2 = cur_time;
360 /* In bytes per second */
361 static int compute_datarate(DataRateData *drd, int64_t count)
363 if (cur_time == drd->time1)
366 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
370 static void start_children(FFStream *feed)
375 for (; feed; feed = feed->next) {
376 if (feed->child_argv && !feed->pid) {
377 feed->pid_start = time(0);
382 fprintf(stderr, "Unable to create children\n");
391 for (i = 3; i < 256; i++)
394 if (!ffserver_debug) {
395 i = open("/dev/null", O_RDWR);
404 av_strlcpy(pathname, my_program_name, sizeof(pathname));
406 slash = strrchr(pathname, '/');
411 strcpy(slash, "ffmpeg");
413 /* This is needed to make relative pathnames work */
414 chdir(my_program_dir);
416 signal(SIGPIPE, SIG_DFL);
418 execvp(pathname, feed->child_argv);
426 /* open a listening socket */
427 static int socket_open_listen(struct sockaddr_in *my_addr)
431 server_fd = socket(AF_INET,SOCK_STREAM,0);
438 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
440 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
442 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
444 closesocket(server_fd);
448 if (listen (server_fd, 5) < 0) {
450 closesocket(server_fd);
453 ff_socket_nonblock(server_fd, 1);
458 /* start all multicast streams */
459 static void start_multicast(void)
464 struct sockaddr_in dest_addr;
465 int default_port, stream_index;
468 for(stream = first_stream; stream != NULL; stream = stream->next) {
469 if (stream->is_multicast) {
470 /* open the RTP connection */
471 snprintf(session_id, sizeof(session_id), "%08x%08x",
472 av_random(&random_state), av_random(&random_state));
474 /* choose a port if none given */
475 if (stream->multicast_port == 0) {
476 stream->multicast_port = default_port;
480 dest_addr.sin_family = AF_INET;
481 dest_addr.sin_addr = stream->multicast_ip;
482 dest_addr.sin_port = htons(stream->multicast_port);
484 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
485 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
489 if (open_input_stream(rtp_c, "") < 0) {
490 fprintf(stderr, "Could not open input stream for stream '%s'\n",
495 /* open each RTP stream */
496 for(stream_index = 0; stream_index < stream->nb_streams;
498 dest_addr.sin_port = htons(stream->multicast_port +
500 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
501 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
502 stream->filename, stream_index);
507 /* change state to send data */
508 rtp_c->state = HTTPSTATE_SEND_DATA;
513 /* main loop of the http server */
514 static int http_server(void)
516 int server_fd, ret, rtsp_server_fd, delay, delay1;
517 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
518 HTTPContext *c, *c_next;
520 server_fd = socket_open_listen(&my_http_addr);
524 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
525 if (rtsp_server_fd < 0)
528 http_log("ffserver started.\n");
530 start_children(first_feed);
532 first_http_ctx = NULL;
538 poll_entry = poll_table;
539 poll_entry->fd = server_fd;
540 poll_entry->events = POLLIN;
543 poll_entry->fd = rtsp_server_fd;
544 poll_entry->events = POLLIN;
547 /* wait for events on each HTTP handle */
554 case HTTPSTATE_SEND_HEADER:
555 case RTSPSTATE_SEND_REPLY:
556 case RTSPSTATE_SEND_PACKET:
557 c->poll_entry = poll_entry;
559 poll_entry->events = POLLOUT;
562 case HTTPSTATE_SEND_DATA_HEADER:
563 case HTTPSTATE_SEND_DATA:
564 case HTTPSTATE_SEND_DATA_TRAILER:
565 if (!c->is_packetized) {
566 /* for TCP, we output as much as we can (may need to put a limit) */
567 c->poll_entry = poll_entry;
569 poll_entry->events = POLLOUT;
572 /* when ffserver is doing the timing, we work by
573 looking at which packet need to be sent every
575 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
580 case HTTPSTATE_WAIT_REQUEST:
581 case HTTPSTATE_RECEIVE_DATA:
582 case HTTPSTATE_WAIT_FEED:
583 case RTSPSTATE_WAIT_REQUEST:
584 /* need to catch errors */
585 c->poll_entry = poll_entry;
587 poll_entry->events = POLLIN;/* Maybe this will work */
591 c->poll_entry = NULL;
597 /* wait for an event on one connection. We poll at least every
598 second to handle timeouts */
600 ret = poll(poll_table, poll_entry - poll_table, delay);
601 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
602 ff_neterrno() != FF_NETERROR(EINTR))
606 cur_time = av_gettime() / 1000;
608 if (need_to_start_children) {
609 need_to_start_children = 0;
610 start_children(first_feed);
613 /* now handle the events */
614 for(c = first_http_ctx; c != NULL; c = c_next) {
616 if (handle_connection(c) < 0) {
617 /* close and free the connection */
623 poll_entry = poll_table;
624 /* new HTTP connection request ? */
625 if (poll_entry->revents & POLLIN)
626 new_connection(server_fd, 0);
628 /* new RTSP connection request ? */
629 if (poll_entry->revents & POLLIN)
630 new_connection(rtsp_server_fd, 1);
634 /* start waiting for a new HTTP/RTSP request */
635 static void start_wait_request(HTTPContext *c, int is_rtsp)
637 c->buffer_ptr = c->buffer;
638 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
641 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
642 c->state = RTSPSTATE_WAIT_REQUEST;
644 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
645 c->state = HTTPSTATE_WAIT_REQUEST;
649 static void new_connection(int server_fd, int is_rtsp)
651 struct sockaddr_in from_addr;
653 HTTPContext *c = NULL;
655 len = sizeof(from_addr);
656 fd = accept(server_fd, (struct sockaddr *)&from_addr,
660 ff_socket_nonblock(fd, 1);
662 /* XXX: should output a warning page when coming
663 close to the connection limit */
664 if (nb_connections >= nb_max_connections)
667 /* add a new connection */
668 c = av_mallocz(sizeof(HTTPContext));
673 c->poll_entry = NULL;
674 c->from_addr = from_addr;
675 c->buffer_size = IOBUFFER_INIT_SIZE;
676 c->buffer = av_malloc(c->buffer_size);
680 c->next = first_http_ctx;
684 start_wait_request(c, is_rtsp);
696 static void close_connection(HTTPContext *c)
698 HTTPContext **cp, *c1;
700 AVFormatContext *ctx;
704 /* remove connection from list */
705 cp = &first_http_ctx;
706 while ((*cp) != NULL) {
714 /* remove references, if any (XXX: do it faster) */
715 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
720 /* remove connection associated resources */
724 /* close each frame parser */
725 for(i=0;i<c->fmt_in->nb_streams;i++) {
726 st = c->fmt_in->streams[i];
727 if (st->codec->codec)
728 avcodec_close(st->codec);
730 av_close_input_file(c->fmt_in);
733 /* free RTP output streams if any */
736 nb_streams = c->stream->nb_streams;
738 for(i=0;i<nb_streams;i++) {
741 av_write_trailer(ctx);
744 h = c->rtp_handles[i];
751 if (!c->last_packet_sent) {
754 if (url_open_dyn_buf(&ctx->pb) >= 0) {
755 av_write_trailer(ctx);
756 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
761 for(i=0; i<ctx->nb_streams; i++)
762 av_free(ctx->streams[i]);
764 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
765 current_bandwidth -= c->stream->bandwidth;
767 /* signal that there is no feed if we are the feeder socket */
768 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
769 c->stream->feed_opened = 0;
773 av_freep(&c->pb_buffer);
774 av_freep(&c->packet_buffer);
780 static int handle_connection(HTTPContext *c)
785 case HTTPSTATE_WAIT_REQUEST:
786 case RTSPSTATE_WAIT_REQUEST:
788 if ((c->timeout - cur_time) < 0)
790 if (c->poll_entry->revents & (POLLERR | POLLHUP))
793 /* no need to read if no events */
794 if (!(c->poll_entry->revents & POLLIN))
798 len = recv(c->fd, c->buffer_ptr, 1, 0);
800 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
801 ff_neterrno() != FF_NETERROR(EINTR))
803 } else if (len == 0) {
806 /* search for end of request. */
808 c->buffer_ptr += len;
810 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
811 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
812 /* request found : parse it and reply */
813 if (c->state == HTTPSTATE_WAIT_REQUEST) {
814 ret = http_parse_request(c);
816 ret = rtsp_parse_request(c);
820 } else if (ptr >= c->buffer_end) {
821 /* request too long: cannot do anything */
823 } else goto read_loop;
827 case HTTPSTATE_SEND_HEADER:
828 if (c->poll_entry->revents & (POLLERR | POLLHUP))
831 /* no need to write if no events */
832 if (!(c->poll_entry->revents & POLLOUT))
834 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
836 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
837 ff_neterrno() != FF_NETERROR(EINTR)) {
838 /* error : close connection */
839 av_freep(&c->pb_buffer);
843 c->buffer_ptr += len;
845 c->stream->bytes_served += len;
846 c->data_count += len;
847 if (c->buffer_ptr >= c->buffer_end) {
848 av_freep(&c->pb_buffer);
852 /* all the buffer was sent : synchronize to the incoming stream */
853 c->state = HTTPSTATE_SEND_DATA_HEADER;
854 c->buffer_ptr = c->buffer_end = c->buffer;
859 case HTTPSTATE_SEND_DATA:
860 case HTTPSTATE_SEND_DATA_HEADER:
861 case HTTPSTATE_SEND_DATA_TRAILER:
862 /* for packetized output, we consider we can always write (the
863 input streams sets the speed). It may be better to verify
864 that we do not rely too much on the kernel queues */
865 if (!c->is_packetized) {
866 if (c->poll_entry->revents & (POLLERR | POLLHUP))
869 /* no need to read if no events */
870 if (!(c->poll_entry->revents & POLLOUT))
873 if (http_send_data(c) < 0)
875 /* close connection if trailer sent */
876 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
879 case HTTPSTATE_RECEIVE_DATA:
880 /* no need to read if no events */
881 if (c->poll_entry->revents & (POLLERR | POLLHUP))
883 if (!(c->poll_entry->revents & POLLIN))
885 if (http_receive_data(c) < 0)
888 case HTTPSTATE_WAIT_FEED:
889 /* no need to read if no events */
890 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
893 /* nothing to do, we'll be waken up by incoming feed packets */
896 case RTSPSTATE_SEND_REPLY:
897 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
898 av_freep(&c->pb_buffer);
901 /* no need to write if no events */
902 if (!(c->poll_entry->revents & POLLOUT))
904 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
906 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
907 ff_neterrno() != FF_NETERROR(EINTR)) {
908 /* error : close connection */
909 av_freep(&c->pb_buffer);
913 c->buffer_ptr += len;
914 c->data_count += len;
915 if (c->buffer_ptr >= c->buffer_end) {
916 /* all the buffer was sent : wait for a new request */
917 av_freep(&c->pb_buffer);
918 start_wait_request(c, 1);
922 case RTSPSTATE_SEND_PACKET:
923 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
924 av_freep(&c->packet_buffer);
927 /* no need to write if no events */
928 if (!(c->poll_entry->revents & POLLOUT))
930 len = send(c->fd, c->packet_buffer_ptr,
931 c->packet_buffer_end - c->packet_buffer_ptr, 0);
933 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
934 ff_neterrno() != FF_NETERROR(EINTR)) {
935 /* error : close connection */
936 av_freep(&c->packet_buffer);
940 c->packet_buffer_ptr += len;
941 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
942 /* all the buffer was sent : wait for a new request */
943 av_freep(&c->packet_buffer);
944 c->state = RTSPSTATE_WAIT_REQUEST;
948 case HTTPSTATE_READY:
957 static int extract_rates(char *rates, int ratelen, const char *request)
961 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
962 if (strncasecmp(p, "Pragma:", 7) == 0) {
963 const char *q = p + 7;
965 while (*q && *q != '\n' && isspace(*q))
968 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
974 memset(rates, 0xff, ratelen);
977 while (*q && *q != '\n' && *q != ':')
980 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
984 if (stream_no < ratelen && stream_no >= 0)
985 rates[stream_no] = rate_no;
987 while (*q && *q != '\n' && !isspace(*q))
1004 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1007 int best_bitrate = 100000000;
1010 for (i = 0; i < feed->nb_streams; i++) {
1011 AVCodecContext *feed_codec = feed->streams[i]->codec;
1013 if (feed_codec->codec_id != codec->codec_id ||
1014 feed_codec->sample_rate != codec->sample_rate ||
1015 feed_codec->width != codec->width ||
1016 feed_codec->height != codec->height)
1019 /* Potential stream */
1021 /* We want the fastest stream less than bit_rate, or the slowest
1022 * faster than bit_rate
1025 if (feed_codec->bit_rate <= bit_rate) {
1026 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1027 best_bitrate = feed_codec->bit_rate;
1031 if (feed_codec->bit_rate < best_bitrate) {
1032 best_bitrate = feed_codec->bit_rate;
1041 static int modify_current_stream(HTTPContext *c, char *rates)
1044 FFStream *req = c->stream;
1045 int action_required = 0;
1047 /* Not much we can do for a feed */
1051 for (i = 0; i < req->nb_streams; i++) {
1052 AVCodecContext *codec = req->streams[i]->codec;
1056 c->switch_feed_streams[i] = req->feed_streams[i];
1059 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1062 /* Wants off or slow */
1063 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1065 /* This doesn't work well when it turns off the only stream! */
1066 c->switch_feed_streams[i] = -2;
1067 c->feed_streams[i] = -2;
1072 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1073 action_required = 1;
1076 return action_required;
1080 static void do_switch_stream(HTTPContext *c, int i)
1082 if (c->switch_feed_streams[i] >= 0) {
1084 c->feed_streams[i] = c->switch_feed_streams[i];
1087 /* Now update the stream */
1089 c->switch_feed_streams[i] = -1;
1092 /* XXX: factorize in utils.c ? */
1093 /* XXX: take care with different space meaning */
1094 static void skip_spaces(const char **pp)
1098 while (*p == ' ' || *p == '\t')
1103 static void get_word(char *buf, int buf_size, const char **pp)
1111 while (!isspace(*p) && *p != '\0') {
1112 if ((q - buf) < buf_size - 1)
1121 static int validate_acl(FFStream *stream, HTTPContext *c)
1123 enum IPAddressAction last_action = IP_DENY;
1125 struct in_addr *src = &c->from_addr.sin_addr;
1126 unsigned long src_addr = src->s_addr;
1128 for (acl = stream->acl; acl; acl = acl->next) {
1129 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1130 return (acl->action == IP_ALLOW) ? 1 : 0;
1131 last_action = acl->action;
1134 /* Nothing matched, so return not the last action */
1135 return (last_action == IP_DENY) ? 1 : 0;
1138 /* compute the real filename of a file by matching it without its
1139 extensions to all the stream filenames */
1140 static void compute_real_filename(char *filename, int max_size)
1147 /* compute filename by matching without the file extensions */
1148 av_strlcpy(file1, filename, sizeof(file1));
1149 p = strrchr(file1, '.');
1152 for(stream = first_stream; stream != NULL; stream = stream->next) {
1153 av_strlcpy(file2, stream->filename, sizeof(file2));
1154 p = strrchr(file2, '.');
1157 if (!strcmp(file1, file2)) {
1158 av_strlcpy(filename, stream->filename, max_size);
1173 /* parse http request and prepare header */
1174 static int http_parse_request(HTTPContext *c)
1177 enum RedirType redir_type;
1179 char info[1024], filename[1024];
1183 const char *mime_type;
1187 char *useragent = 0;
1190 get_word(cmd, sizeof(cmd), (const char **)&p);
1191 av_strlcpy(c->method, cmd, sizeof(c->method));
1193 if (!strcmp(cmd, "GET"))
1195 else if (!strcmp(cmd, "POST"))
1200 get_word(url, sizeof(url), (const char **)&p);
1201 av_strlcpy(c->url, url, sizeof(c->url));
1203 get_word(protocol, sizeof(protocol), (const char **)&p);
1204 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1207 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1210 http_log("New connection: %s %s\n", cmd, url);
1212 /* find the filename and the optional info string in the request */
1213 p = strchr(url, '?');
1215 av_strlcpy(info, p, sizeof(info));
1220 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1222 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1223 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1225 if (*useragent && *useragent != '\n' && isspace(*useragent))
1229 p = strchr(p, '\n');
1236 redir_type = REDIR_NONE;
1237 if (match_ext(filename, "asx")) {
1238 redir_type = REDIR_ASX;
1239 filename[strlen(filename)-1] = 'f';
1240 } else if (match_ext(filename, "asf") &&
1241 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1242 /* if this isn't WMP or lookalike, return the redirector file */
1243 redir_type = REDIR_ASF;
1244 } else if (match_ext(filename, "rpm,ram")) {
1245 redir_type = REDIR_RAM;
1246 strcpy(filename + strlen(filename)-2, "m");
1247 } else if (match_ext(filename, "rtsp")) {
1248 redir_type = REDIR_RTSP;
1249 compute_real_filename(filename, sizeof(filename) - 1);
1250 } else if (match_ext(filename, "sdp")) {
1251 redir_type = REDIR_SDP;
1252 compute_real_filename(filename, sizeof(filename) - 1);
1255 // "redirect" / request to index.html
1256 if (!strlen(filename))
1257 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1259 stream = first_stream;
1260 while (stream != NULL) {
1261 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1263 stream = stream->next;
1265 if (stream == NULL) {
1266 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1271 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1272 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1274 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1275 c->http_error = 301;
1277 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1278 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1279 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1280 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1281 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1282 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1283 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1285 /* prepare output buffer */
1286 c->buffer_ptr = c->buffer;
1288 c->state = HTTPSTATE_SEND_HEADER;
1292 /* If this is WMP, get the rate information */
1293 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1294 if (modify_current_stream(c, ratebuf)) {
1295 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1296 if (c->switch_feed_streams[i] >= 0)
1297 do_switch_stream(c, i);
1302 /* If already streaming this feed, do not let start another feeder. */
1303 if (stream->feed_opened) {
1304 snprintf(msg, sizeof(msg), "This feed is already being received.");
1308 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1309 current_bandwidth += stream->bandwidth;
1311 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1312 c->http_error = 200;
1314 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1315 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec.</p>\r\n",
1320 current_bandwidth, max_bandwidth);
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1323 /* prepare output buffer */
1324 c->buffer_ptr = c->buffer;
1326 c->state = HTTPSTATE_SEND_HEADER;
1330 if (redir_type != REDIR_NONE) {
1333 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1334 if (strncasecmp(p, "Host:", 5) == 0) {
1338 p = strchr(p, '\n');
1349 while (isspace(*hostinfo))
1352 eoh = strchr(hostinfo, '\n');
1354 if (eoh[-1] == '\r')
1357 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1358 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1359 hostbuf[eoh - hostinfo] = 0;
1361 c->http_error = 200;
1363 switch(redir_type) {
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1368 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1369 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1370 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1371 hostbuf, filename, info);
1372 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1376 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1377 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1378 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1379 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1380 hostbuf, filename, info);
1383 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1384 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1385 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1387 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1388 hostbuf, filename, info);
1392 char hostname[256], *p;
1393 /* extract only hostname */
1394 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1395 p = strrchr(hostname, ':');
1398 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1399 /* XXX: incorrect mime type ? */
1400 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1402 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1403 hostname, ntohs(my_rtsp_addr.sin_port),
1410 int sdp_data_size, len;
1411 struct sockaddr_in my_addr;
1413 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 len = sizeof(my_addr);
1418 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1420 /* XXX: should use a dynamic buffer */
1421 sdp_data_size = prepare_sdp_description(stream,
1424 if (sdp_data_size > 0) {
1425 memcpy(q, sdp_data, sdp_data_size);
1437 /* prepare output buffer */
1438 c->buffer_ptr = c->buffer;
1440 c->state = HTTPSTATE_SEND_HEADER;
1446 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1450 stream->conns_served++;
1452 /* XXX: add there authenticate and IP match */
1455 /* if post, it means a feed is being sent */
1456 if (!stream->is_feed) {
1457 /* However it might be a status report from WMP! Lets log the data
1458 * as it might come in handy one day
1463 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1464 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1468 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1469 client_id = strtol(p + 18, 0, 10);
1470 p = strchr(p, '\n');
1478 char *eol = strchr(logline, '\n');
1483 if (eol[-1] == '\r')
1485 http_log("%.*s\n", (int) (eol - logline), logline);
1486 c->suppress_log = 1;
1491 http_log("\nGot request:\n%s\n", c->buffer);
1494 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1497 /* Now we have to find the client_id */
1498 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1499 if (wmpc->wmp_client_id == client_id)
1503 if (wmpc && modify_current_stream(wmpc, ratebuf))
1504 wmpc->switch_pending = 1;
1507 snprintf(msg, sizeof(msg), "POST command not handled");
1511 if (http_start_receive_data(c) < 0) {
1512 snprintf(msg, sizeof(msg), "could not open feed");
1516 c->state = HTTPSTATE_RECEIVE_DATA;
1521 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1522 http_log("\nGot request:\n%s\n", c->buffer);
1525 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1528 /* open input stream */
1529 if (open_input_stream(c, info) < 0) {
1530 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1534 /* prepare http header */
1536 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1537 mime_type = c->stream->fmt->mime_type;
1539 mime_type = "application/x-octet-stream";
1540 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1542 /* for asf, we need extra headers */
1543 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1544 /* Need to allocate a client id */
1546 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1548 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);
1550 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1551 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1553 /* prepare output buffer */
1555 c->buffer_ptr = c->buffer;
1557 c->state = HTTPSTATE_SEND_HEADER;
1560 c->http_error = 404;
1562 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1563 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1564 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1565 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1566 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1567 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1568 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1570 /* prepare output buffer */
1571 c->buffer_ptr = c->buffer;
1573 c->state = HTTPSTATE_SEND_HEADER;
1577 c->http_error = 200; /* horrible : we use this value to avoid
1578 going to the send data state */
1579 c->state = HTTPSTATE_SEND_HEADER;
1583 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1585 static const char *suffix = " kMGTP";
1588 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1590 url_fprintf(pb, "%"PRId64"%c", count, *s);
1593 static void compute_stats(HTTPContext *c)
1602 if (url_open_dyn_buf(&pb) < 0) {
1603 /* XXX: return an error ? */
1604 c->buffer_ptr = c->buffer;
1605 c->buffer_end = c->buffer;
1609 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1610 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1611 url_fprintf(pb, "Pragma: no-cache\r\n");
1612 url_fprintf(pb, "\r\n");
1614 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1615 if (c->stream->feed_filename)
1616 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1617 url_fprintf(pb, "</HEAD>\n<BODY>");
1618 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1620 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1621 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1622 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");
1623 stream = first_stream;
1624 while (stream != NULL) {
1625 char sfilename[1024];
1628 if (stream->feed != stream) {
1629 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1630 eosf = sfilename + strlen(sfilename);
1631 if (eosf - sfilename >= 4) {
1632 if (strcmp(eosf - 4, ".asf") == 0)
1633 strcpy(eosf - 4, ".asx");
1634 else if (strcmp(eosf - 3, ".rm") == 0)
1635 strcpy(eosf - 3, ".ram");
1636 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1637 /* generate a sample RTSP director if
1638 unicast. Generate an SDP redirector if
1640 eosf = strrchr(sfilename, '.');
1642 eosf = sfilename + strlen(sfilename);
1643 if (stream->is_multicast)
1644 strcpy(eosf, ".sdp");
1646 strcpy(eosf, ".rtsp");
1650 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1651 sfilename, stream->filename);
1652 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1653 stream->conns_served);
1654 fmt_bytecount(pb, stream->bytes_served);
1655 switch(stream->stream_type) {
1656 case STREAM_TYPE_LIVE:
1658 int audio_bit_rate = 0;
1659 int video_bit_rate = 0;
1660 const char *audio_codec_name = "";
1661 const char *video_codec_name = "";
1662 const char *audio_codec_name_extra = "";
1663 const char *video_codec_name_extra = "";
1665 for(i=0;i<stream->nb_streams;i++) {
1666 AVStream *st = stream->streams[i];
1667 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1668 switch(st->codec->codec_type) {
1669 case CODEC_TYPE_AUDIO:
1670 audio_bit_rate += st->codec->bit_rate;
1672 if (*audio_codec_name)
1673 audio_codec_name_extra = "...";
1674 audio_codec_name = codec->name;
1677 case CODEC_TYPE_VIDEO:
1678 video_bit_rate += st->codec->bit_rate;
1680 if (*video_codec_name)
1681 video_codec_name_extra = "...";
1682 video_codec_name = codec->name;
1685 case CODEC_TYPE_DATA:
1686 video_bit_rate += st->codec->bit_rate;
1692 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",
1695 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1696 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1698 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1700 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1701 url_fprintf(pb, "\n");
1705 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1709 stream = stream->next;
1711 url_fprintf(pb, "</TABLE>\n");
1713 stream = first_stream;
1714 while (stream != NULL) {
1715 if (stream->feed == stream) {
1716 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1718 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1720 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1725 /* This is somewhat linux specific I guess */
1726 snprintf(ps_cmd, sizeof(ps_cmd),
1727 "ps -o \"%%cpu,cputime\" --no-headers %d",
1730 pid_stat = popen(ps_cmd, "r");
1735 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1737 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1745 url_fprintf(pb, "<p>");
1747 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");
1749 for (i = 0; i < stream->nb_streams; i++) {
1750 AVStream *st = stream->streams[i];
1751 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1752 const char *type = "unknown";
1753 char parameters[64];
1757 switch(st->codec->codec_type) {
1758 case CODEC_TYPE_AUDIO:
1760 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1762 case CODEC_TYPE_VIDEO:
1764 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1765 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1770 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1771 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1773 url_fprintf(pb, "</table>\n");
1776 stream = stream->next;
1782 AVCodecContext *enc;
1786 stream = first_feed;
1787 while (stream != NULL) {
1788 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1789 url_fprintf(pb, "<TABLE>\n");
1790 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1791 for(i=0;i<stream->nb_streams;i++) {
1792 AVStream *st = stream->streams[i];
1793 FeedData *fdata = st->priv_data;
1796 avcodec_string(buf, sizeof(buf), enc);
1797 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1798 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1799 avg /= enc->frame_size;
1800 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1801 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1803 url_fprintf(pb, "</TABLE>\n");
1804 stream = stream->next_feed;
1809 /* connection status */
1810 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1812 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1813 nb_connections, nb_max_connections);
1815 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1816 current_bandwidth, max_bandwidth);
1818 url_fprintf(pb, "<TABLE>\n");
1819 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");
1820 c1 = first_http_ctx;
1822 while (c1 != NULL) {
1828 for (j = 0; j < c1->stream->nb_streams; j++) {
1829 if (!c1->stream->feed)
1830 bitrate += c1->stream->streams[j]->codec->bit_rate;
1831 else if (c1->feed_streams[j] >= 0)
1832 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1837 p = inet_ntoa(c1->from_addr.sin_addr);
1838 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1840 c1->stream ? c1->stream->filename : "",
1841 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1844 http_state[c1->state]);
1845 fmt_bytecount(pb, bitrate);
1846 url_fprintf(pb, "<td align=right>");
1847 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1848 url_fprintf(pb, "<td align=right>");
1849 fmt_bytecount(pb, c1->data_count);
1850 url_fprintf(pb, "\n");
1853 url_fprintf(pb, "</TABLE>\n");
1858 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1859 url_fprintf(pb, "</BODY>\n</HTML>\n");
1861 len = url_close_dyn_buf(pb, &c->pb_buffer);
1862 c->buffer_ptr = c->pb_buffer;
1863 c->buffer_end = c->pb_buffer + len;
1866 /* check if the parser needs to be opened for stream i */
1867 static void open_parser(AVFormatContext *s, int i)
1869 AVStream *st = s->streams[i];
1872 if (!st->codec->codec) {
1873 codec = avcodec_find_decoder(st->codec->codec_id);
1874 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1875 st->codec->parse_only = 1;
1876 if (avcodec_open(st->codec, codec) < 0)
1877 st->codec->parse_only = 0;
1882 static int open_input_stream(HTTPContext *c, const char *info)
1885 char input_filename[1024];
1887 int buf_size, i, ret;
1890 /* find file name */
1891 if (c->stream->feed) {
1892 strcpy(input_filename, c->stream->feed->feed_filename);
1893 buf_size = FFM_PACKET_SIZE;
1894 /* compute position (absolute time) */
1895 if (find_info_tag(buf, sizeof(buf), "date", info))
1897 stream_pos = parse_date(buf, 0);
1898 if (stream_pos == INT64_MIN)
1901 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1902 int prebuffer = strtol(buf, 0, 10);
1903 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1905 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1907 strcpy(input_filename, c->stream->feed_filename);
1909 /* compute position (relative time) */
1910 if (find_info_tag(buf, sizeof(buf), "date", info))
1912 stream_pos = parse_date(buf, 1);
1913 if (stream_pos == INT64_MIN)
1919 if (input_filename[0] == '\0')
1923 { time_t when = stream_pos / 1000000;
1924 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1929 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1930 buf_size, c->stream->ap_in)) < 0) {
1931 http_log("could not open %s: %d\n", input_filename, ret);
1934 s->flags |= AVFMT_FLAG_GENPTS;
1936 av_find_stream_info(c->fmt_in);
1938 /* open each parser */
1939 for(i=0;i<s->nb_streams;i++)
1942 /* choose stream as clock source (we favorize video stream if
1943 present) for packet sending */
1944 c->pts_stream_index = 0;
1945 for(i=0;i<c->stream->nb_streams;i++) {
1946 if (c->pts_stream_index == 0 &&
1947 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1948 c->pts_stream_index = i;
1953 if (c->fmt_in->iformat->read_seek)
1954 c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
1956 /* set the start time (needed for maxtime and RTP packet timing) */
1957 c->start_time = cur_time;
1958 c->first_pts = AV_NOPTS_VALUE;
1962 /* return the server clock (in us) */
1963 static int64_t get_server_clock(HTTPContext *c)
1965 /* compute current pts value from system time */
1966 return (cur_time - c->start_time) * 1000;
1969 /* return the estimated time at which the current packet must be sent
1971 static int64_t get_packet_send_clock(HTTPContext *c)
1973 int bytes_left, bytes_sent, frame_bytes;
1975 frame_bytes = c->cur_frame_bytes;
1976 if (frame_bytes <= 0)
1979 bytes_left = c->buffer_end - c->buffer_ptr;
1980 bytes_sent = frame_bytes - bytes_left;
1981 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1986 static int http_prepare_data(HTTPContext *c)
1989 AVFormatContext *ctx;
1991 av_freep(&c->pb_buffer);
1993 case HTTPSTATE_SEND_DATA_HEADER:
1994 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1995 av_strlcpy(c->fmt_ctx.author, c->stream->author,
1996 sizeof(c->fmt_ctx.author));
1997 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
1998 sizeof(c->fmt_ctx.comment));
1999 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
2000 sizeof(c->fmt_ctx.copyright));
2001 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2002 sizeof(c->fmt_ctx.title));
2004 /* open output stream by using specified codecs */
2005 c->fmt_ctx.oformat = c->stream->fmt;
2006 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2007 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2010 st = av_mallocz(sizeof(AVStream));
2011 st->codec= avcodec_alloc_context();
2012 c->fmt_ctx.streams[i] = st;
2013 /* if file or feed, then just take streams from FFStream struct */
2014 if (!c->stream->feed ||
2015 c->stream->feed == c->stream)
2016 src = c->stream->streams[i];
2018 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2022 st->codec->frame_number = 0; /* XXX: should be done in
2023 AVStream, not in codec */
2025 c->got_key_frame = 0;
2027 /* prepare header and save header data in a stream */
2028 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2029 /* XXX: potential leak */
2032 c->fmt_ctx.pb->is_streamed = 1;
2034 av_set_parameters(&c->fmt_ctx, NULL);
2035 if (av_write_header(&c->fmt_ctx) < 0)
2038 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2039 c->buffer_ptr = c->pb_buffer;
2040 c->buffer_end = c->pb_buffer + len;
2042 c->state = HTTPSTATE_SEND_DATA;
2043 c->last_packet_sent = 0;
2045 case HTTPSTATE_SEND_DATA:
2046 /* find a new packet */
2050 /* read a packet from the input stream */
2051 if (c->stream->feed)
2052 ffm_set_write_index(c->fmt_in,
2053 c->stream->feed->feed_write_index,
2054 c->stream->feed->feed_size);
2056 if (c->stream->max_time &&
2057 c->stream->max_time + c->start_time - cur_time < 0)
2058 /* We have timed out */
2059 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2062 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2063 if (c->stream->feed && c->stream->feed->feed_opened) {
2064 /* if coming from feed, it means we reached the end of the
2065 ffm file, so must wait for more data */
2066 c->state = HTTPSTATE_WAIT_FEED;
2067 return 1; /* state changed */
2069 if (c->stream->loop) {
2070 av_close_input_file(c->fmt_in);
2072 if (open_input_stream(c, "") < 0)
2077 /* must send trailer now because eof or error */
2078 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2082 /* update first pts if needed */
2083 if (c->first_pts == AV_NOPTS_VALUE) {
2084 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2085 c->start_time = cur_time;
2087 /* send it to the appropriate stream */
2088 if (c->stream->feed) {
2089 /* if coming from a feed, select the right stream */
2090 if (c->switch_pending) {
2091 c->switch_pending = 0;
2092 for(i=0;i<c->stream->nb_streams;i++) {
2093 if (c->switch_feed_streams[i] == pkt.stream_index)
2094 if (pkt.flags & PKT_FLAG_KEY)
2095 do_switch_stream(c, i);
2096 if (c->switch_feed_streams[i] >= 0)
2097 c->switch_pending = 1;
2100 for(i=0;i<c->stream->nb_streams;i++) {
2101 if (c->feed_streams[i] == pkt.stream_index) {
2102 pkt.stream_index = i;
2103 if (pkt.flags & PKT_FLAG_KEY)
2104 c->got_key_frame |= 1 << i;
2105 /* See if we have all the key frames, then
2106 * we start to send. This logic is not quite
2107 * right, but it works for the case of a
2108 * single video stream with one or more
2109 * audio streams (for which every frame is
2110 * typically a key frame).
2112 if (!c->stream->send_on_key ||
2113 ((c->got_key_frame + 1) >> c->stream->nb_streams))
2118 AVCodecContext *codec;
2121 /* specific handling for RTP: we use several
2122 output stream (one for each RTP
2123 connection). XXX: need more abstract handling */
2124 if (c->is_packetized) {
2126 /* compute send time and duration */
2127 st = c->fmt_in->streams[pkt.stream_index];
2128 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2129 if (st->start_time != AV_NOPTS_VALUE)
2130 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2131 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2133 printf("index=%d pts=%0.3f duration=%0.6f\n",
2135 (double)c->cur_pts /
2137 (double)c->cur_frame_duration /
2140 /* find RTP context */
2141 c->packet_stream_index = pkt.stream_index;
2142 ctx = c->rtp_ctx[c->packet_stream_index];
2144 av_free_packet(&pkt);
2147 codec = ctx->streams[0]->codec;
2148 /* only one stream per RTP connection */
2149 pkt.stream_index = 0;
2153 codec = ctx->streams[pkt.stream_index]->codec;
2156 if (c->is_packetized) {
2157 int max_packet_size;
2158 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2159 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2161 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2162 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2164 ret = url_open_dyn_buf(&ctx->pb);
2167 /* XXX: potential leak */
2170 if (pkt.dts != AV_NOPTS_VALUE)
2171 pkt.dts = av_rescale_q(pkt.dts,
2172 c->fmt_in->streams[pkt.stream_index]->time_base,
2173 ctx->streams[pkt.stream_index]->time_base);
2174 if (pkt.pts != AV_NOPTS_VALUE)
2175 pkt.pts = av_rescale_q(pkt.pts,
2176 c->fmt_in->streams[pkt.stream_index]->time_base,
2177 ctx->streams[pkt.stream_index]->time_base);
2178 if (av_write_frame(ctx, &pkt))
2179 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2181 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2182 c->cur_frame_bytes = len;
2183 c->buffer_ptr = c->pb_buffer;
2184 c->buffer_end = c->pb_buffer + len;
2186 codec->frame_number++;
2188 av_free_packet(&pkt);
2192 av_free_packet(&pkt);
2198 case HTTPSTATE_SEND_DATA_TRAILER:
2199 /* last packet test ? */
2200 if (c->last_packet_sent || c->is_packetized)
2203 /* prepare header */
2204 if (url_open_dyn_buf(&ctx->pb) < 0) {
2205 /* XXX: potential leak */
2208 av_write_trailer(ctx);
2209 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2210 c->buffer_ptr = c->pb_buffer;
2211 c->buffer_end = c->pb_buffer + len;
2213 c->last_packet_sent = 1;
2219 /* should convert the format at the same time */
2220 /* send data starting at c->buffer_ptr to the output connection
2221 (either UDP or TCP connection) */
2222 static int http_send_data(HTTPContext *c)
2227 if (c->buffer_ptr >= c->buffer_end) {
2228 ret = http_prepare_data(c);
2232 /* state change requested */
2235 if (c->is_packetized) {
2236 /* RTP data output */
2237 len = c->buffer_end - c->buffer_ptr;
2239 /* fail safe - should never happen */
2241 c->buffer_ptr = c->buffer_end;
2244 len = (c->buffer_ptr[0] << 24) |
2245 (c->buffer_ptr[1] << 16) |
2246 (c->buffer_ptr[2] << 8) |
2248 if (len > (c->buffer_end - c->buffer_ptr))
2250 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2251 /* nothing to send yet: we can wait */
2255 c->data_count += len;
2256 update_datarate(&c->datarate, c->data_count);
2258 c->stream->bytes_served += len;
2260 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2261 /* RTP packets are sent inside the RTSP TCP connection */
2263 int interleaved_index, size;
2265 HTTPContext *rtsp_c;
2268 /* if no RTSP connection left, error */
2271 /* if already sending something, then wait. */
2272 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2274 if (url_open_dyn_buf(&pb) < 0)
2276 interleaved_index = c->packet_stream_index * 2;
2277 /* RTCP packets are sent at odd indexes */
2278 if (c->buffer_ptr[1] == 200)
2279 interleaved_index++;
2280 /* write RTSP TCP header */
2282 header[1] = interleaved_index;
2283 header[2] = len >> 8;
2285 put_buffer(pb, header, 4);
2286 /* write RTP packet data */
2288 put_buffer(pb, c->buffer_ptr, len);
2289 size = url_close_dyn_buf(pb, &c->packet_buffer);
2290 /* prepare asynchronous TCP sending */
2291 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2292 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2293 c->buffer_ptr += len;
2295 /* send everything we can NOW */
2296 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2297 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2299 rtsp_c->packet_buffer_ptr += len;
2300 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2301 /* if we could not send all the data, we will
2302 send it later, so a new state is needed to
2303 "lock" the RTSP TCP connection */
2304 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2307 /* all data has been sent */
2308 av_freep(&c->packet_buffer);
2310 /* send RTP packet directly in UDP */
2312 url_write(c->rtp_handles[c->packet_stream_index],
2313 c->buffer_ptr, len);
2314 c->buffer_ptr += len;
2315 /* here we continue as we can send several packets per 10 ms slot */
2318 /* TCP data output */
2319 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2321 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2322 ff_neterrno() != FF_NETERROR(EINTR))
2323 /* error : close connection */
2328 c->buffer_ptr += len;
2330 c->data_count += len;
2331 update_datarate(&c->datarate, c->data_count);
2333 c->stream->bytes_served += len;
2341 static int http_start_receive_data(HTTPContext *c)
2345 if (c->stream->feed_opened)
2348 /* Don't permit writing to this one */
2349 if (c->stream->readonly)
2353 fd = open(c->stream->feed_filename, O_RDWR);
2358 c->stream->feed_write_index = ffm_read_write_index(fd);
2359 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2360 lseek(fd, 0, SEEK_SET);
2362 /* init buffer input */
2363 c->buffer_ptr = c->buffer;
2364 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2365 c->stream->feed_opened = 1;
2369 static int http_receive_data(HTTPContext *c)
2373 if (c->buffer_end > c->buffer_ptr) {
2376 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2378 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2379 ff_neterrno() != FF_NETERROR(EINTR))
2380 /* error : close connection */
2382 } else if (len == 0)
2383 /* end of connection : close it */
2386 c->buffer_ptr += len;
2387 c->data_count += len;
2388 update_datarate(&c->datarate, c->data_count);
2392 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2393 if (c->buffer[0] != 'f' ||
2394 c->buffer[1] != 'm') {
2395 http_log("Feed stream has become desynchronized -- disconnecting\n");
2400 if (c->buffer_ptr >= c->buffer_end) {
2401 FFStream *feed = c->stream;
2402 /* a packet has been received : write it in the store, except
2404 if (c->data_count > FFM_PACKET_SIZE) {
2406 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2407 /* XXX: use llseek or url_seek */
2408 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2409 write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
2411 feed->feed_write_index += FFM_PACKET_SIZE;
2412 /* update file size */
2413 if (feed->feed_write_index > c->stream->feed_size)
2414 feed->feed_size = feed->feed_write_index;
2416 /* handle wrap around if max file size reached */
2417 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2418 feed->feed_write_index = FFM_PACKET_SIZE;
2421 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2423 /* wake up any waiting connections */
2424 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2425 if (c1->state == HTTPSTATE_WAIT_FEED &&
2426 c1->stream->feed == c->stream->feed)
2427 c1->state = HTTPSTATE_SEND_DATA;
2430 /* We have a header in our hands that contains useful data */
2432 AVInputFormat *fmt_in;
2435 memset(&s, 0, sizeof(s));
2437 url_open_buf(&s.pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2438 s.pb->is_streamed = 1;
2440 /* use feed output format name to find corresponding input format */
2441 fmt_in = av_find_input_format(feed->fmt->name);
2445 if (fmt_in->priv_data_size > 0) {
2446 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2452 if (fmt_in->read_header(&s, 0) < 0) {
2453 av_freep(&s.priv_data);
2457 /* Now we have the actual streams */
2458 if (s.nb_streams != feed->nb_streams) {
2459 av_freep(&s.priv_data);
2462 for (i = 0; i < s.nb_streams; i++)
2463 memcpy(feed->streams[i]->codec,
2464 s.streams[i]->codec, sizeof(AVCodecContext));
2465 av_freep(&s.priv_data);
2467 c->buffer_ptr = c->buffer;
2472 c->stream->feed_opened = 0;
2477 /********************************************************************/
2480 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2487 switch(error_number) {
2488 case RTSP_STATUS_OK:
2491 case RTSP_STATUS_METHOD:
2492 str = "Method Not Allowed";
2494 case RTSP_STATUS_BANDWIDTH:
2495 str = "Not Enough Bandwidth";
2497 case RTSP_STATUS_SESSION:
2498 str = "Session Not Found";
2500 case RTSP_STATUS_STATE:
2501 str = "Method Not Valid in This State";
2503 case RTSP_STATUS_AGGREGATE:
2504 str = "Aggregate operation not allowed";
2506 case RTSP_STATUS_ONLY_AGGREGATE:
2507 str = "Only aggregate operation allowed";
2509 case RTSP_STATUS_TRANSPORT:
2510 str = "Unsupported transport";
2512 case RTSP_STATUS_INTERNAL:
2513 str = "Internal Server Error";
2515 case RTSP_STATUS_SERVICE:
2516 str = "Service Unavailable";
2518 case RTSP_STATUS_VERSION:
2519 str = "RTSP Version not supported";
2522 str = "Unknown Error";
2526 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2527 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2529 /* output GMT time */
2533 p = buf2 + strlen(p) - 1;
2536 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2539 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2541 rtsp_reply_header(c, error_number);
2542 url_fprintf(c->pb, "\r\n");
2545 static int rtsp_parse_request(HTTPContext *c)
2547 const char *p, *p1, *p2;
2553 RTSPHeader header1, *header = &header1;
2555 c->buffer_ptr[0] = '\0';
2558 get_word(cmd, sizeof(cmd), &p);
2559 get_word(url, sizeof(url), &p);
2560 get_word(protocol, sizeof(protocol), &p);
2562 av_strlcpy(c->method, cmd, sizeof(c->method));
2563 av_strlcpy(c->url, url, sizeof(c->url));
2564 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2566 if (url_open_dyn_buf(&c->pb) < 0) {
2567 /* XXX: cannot do more */
2568 c->pb = NULL; /* safety */
2572 /* check version name */
2573 if (strcmp(protocol, "RTSP/1.0") != 0) {
2574 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2578 /* parse each header line */
2579 memset(header, 0, sizeof(RTSPHeader));
2580 /* skip to next line */
2581 while (*p != '\n' && *p != '\0')
2585 while (*p != '\0') {
2586 p1 = strchr(p, '\n');
2590 if (p2 > p && p2[-1] == '\r')
2592 /* skip empty line */
2596 if (len > sizeof(line) - 1)
2597 len = sizeof(line) - 1;
2598 memcpy(line, p, len);
2600 rtsp_parse_line(header, line);
2604 /* handle sequence number */
2605 c->seq = header->seq;
2607 if (!strcmp(cmd, "DESCRIBE"))
2608 rtsp_cmd_describe(c, url);
2609 else if (!strcmp(cmd, "OPTIONS"))
2610 rtsp_cmd_options(c, url);
2611 else if (!strcmp(cmd, "SETUP"))
2612 rtsp_cmd_setup(c, url, header);
2613 else if (!strcmp(cmd, "PLAY"))
2614 rtsp_cmd_play(c, url, header);
2615 else if (!strcmp(cmd, "PAUSE"))
2616 rtsp_cmd_pause(c, url, header);
2617 else if (!strcmp(cmd, "TEARDOWN"))
2618 rtsp_cmd_teardown(c, url, header);
2620 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2623 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2624 c->pb = NULL; /* safety */
2626 /* XXX: cannot do more */
2629 c->buffer_ptr = c->pb_buffer;
2630 c->buffer_end = c->pb_buffer + len;
2631 c->state = RTSPSTATE_SEND_REPLY;
2635 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2636 struct in_addr my_ip)
2638 AVFormatContext *avc;
2639 AVStream avs[MAX_STREAMS];
2642 avc = av_alloc_format_context();
2646 if (stream->title[0] != 0) {
2647 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2649 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2651 avc->nb_streams = stream->nb_streams;
2652 if (stream->is_multicast) {
2653 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2654 inet_ntoa(stream->multicast_ip),
2655 stream->multicast_port, stream->multicast_ttl);
2658 for(i = 0; i < stream->nb_streams; i++) {
2659 avc->streams[i] = &avs[i];
2660 avc->streams[i]->codec = stream->streams[i]->codec;
2662 *pbuffer = av_mallocz(2048);
2663 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2666 return strlen(*pbuffer);
2669 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2671 // rtsp_reply_header(c, RTSP_STATUS_OK);
2672 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2673 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2674 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2675 url_fprintf(c->pb, "\r\n");
2678 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2684 int content_length, len;
2685 struct sockaddr_in my_addr;
2687 /* find which url is asked */
2688 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2693 for(stream = first_stream; stream != NULL; stream = stream->next) {
2694 if (!stream->is_feed &&
2695 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2696 !strcmp(path, stream->filename)) {
2700 /* no stream found */
2701 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2705 /* prepare the media description in sdp format */
2707 /* get the host IP */
2708 len = sizeof(my_addr);
2709 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2710 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2711 if (content_length < 0) {
2712 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2715 rtsp_reply_header(c, RTSP_STATUS_OK);
2716 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2717 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2718 url_fprintf(c->pb, "\r\n");
2719 put_buffer(c->pb, content, content_length);
2722 static HTTPContext *find_rtp_session(const char *session_id)
2726 if (session_id[0] == '\0')
2729 for(c = first_http_ctx; c != NULL; c = c->next) {
2730 if (!strcmp(c->session_id, session_id))
2736 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2738 RTSPTransportField *th;
2741 for(i=0;i<h->nb_transports;i++) {
2742 th = &h->transports[i];
2743 if (th->protocol == protocol)
2749 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2753 int stream_index, port;
2758 RTSPTransportField *th;
2759 struct sockaddr_in dest_addr;
2760 RTSPActionServerSetup setup;
2762 /* find which url is asked */
2763 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2768 /* now check each stream */
2769 for(stream = first_stream; stream != NULL; stream = stream->next) {
2770 if (!stream->is_feed &&
2771 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2772 /* accept aggregate filenames only if single stream */
2773 if (!strcmp(path, stream->filename)) {
2774 if (stream->nb_streams != 1) {
2775 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2782 for(stream_index = 0; stream_index < stream->nb_streams;
2784 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2785 stream->filename, stream_index);
2786 if (!strcmp(path, buf))
2791 /* no stream found */
2792 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2796 /* generate session id if needed */
2797 if (h->session_id[0] == '\0')
2798 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2799 av_random(&random_state), av_random(&random_state));
2801 /* find rtp session, and create it if none found */
2802 rtp_c = find_rtp_session(h->session_id);
2804 /* always prefer UDP */
2805 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2807 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2809 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2814 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2817 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2821 /* open input stream */
2822 if (open_input_stream(rtp_c, "") < 0) {
2823 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2828 /* test if stream is OK (test needed because several SETUP needs
2829 to be done for a given file) */
2830 if (rtp_c->stream != stream) {
2831 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2835 /* test if stream is already set up */
2836 if (rtp_c->rtp_ctx[stream_index]) {
2837 rtsp_reply_error(c, RTSP_STATUS_STATE);
2841 /* check transport */
2842 th = find_transport(h, rtp_c->rtp_protocol);
2843 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2844 th->client_port_min <= 0)) {
2845 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2849 /* setup default options */
2850 setup.transport_option[0] = '\0';
2851 dest_addr = rtp_c->from_addr;
2852 dest_addr.sin_port = htons(th->client_port_min);
2855 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2856 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2860 /* now everything is OK, so we can send the connection parameters */
2861 rtsp_reply_header(c, RTSP_STATUS_OK);
2863 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2865 switch(rtp_c->rtp_protocol) {
2866 case RTSP_PROTOCOL_RTP_UDP:
2867 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2868 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2869 "client_port=%d-%d;server_port=%d-%d",
2870 th->client_port_min, th->client_port_min + 1,
2873 case RTSP_PROTOCOL_RTP_TCP:
2874 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2875 stream_index * 2, stream_index * 2 + 1);
2880 if (setup.transport_option[0] != '\0')
2881 url_fprintf(c->pb, ";%s", setup.transport_option);
2882 url_fprintf(c->pb, "\r\n");
2885 url_fprintf(c->pb, "\r\n");
2889 /* find an rtp connection by using the session ID. Check consistency
2891 static HTTPContext *find_rtp_session_with_url(const char *url,
2892 const char *session_id)
2900 rtp_c = find_rtp_session(session_id);
2904 /* find which url is asked */
2905 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2909 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2910 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2911 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2912 rtp_c->stream->filename, s);
2913 if(!strncmp(path, buf, sizeof(buf))) {
2914 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2921 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2925 rtp_c = find_rtp_session_with_url(url, h->session_id);
2927 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2931 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2932 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2933 rtp_c->state != HTTPSTATE_READY) {
2934 rtsp_reply_error(c, RTSP_STATUS_STATE);
2939 /* XXX: seek in stream */
2940 if (h->range_start != AV_NOPTS_VALUE) {
2941 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2942 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2946 rtp_c->state = HTTPSTATE_SEND_DATA;
2948 /* now everything is OK, so we can send the connection parameters */
2949 rtsp_reply_header(c, RTSP_STATUS_OK);
2951 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2952 url_fprintf(c->pb, "\r\n");
2955 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
2959 rtp_c = find_rtp_session_with_url(url, h->session_id);
2961 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2965 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2966 rtp_c->state != HTTPSTATE_WAIT_FEED) {
2967 rtsp_reply_error(c, RTSP_STATUS_STATE);
2971 rtp_c->state = HTTPSTATE_READY;
2972 rtp_c->first_pts = AV_NOPTS_VALUE;
2973 /* now everything is OK, so we can send the connection parameters */
2974 rtsp_reply_header(c, RTSP_STATUS_OK);
2976 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2977 url_fprintf(c->pb, "\r\n");
2980 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
2983 char session_id[32];
2985 rtp_c = find_rtp_session_with_url(url, h->session_id);
2987 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2991 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
2993 /* abort the session */
2994 close_connection(rtp_c);
2996 /* now everything is OK, so we can send the connection parameters */
2997 rtsp_reply_header(c, RTSP_STATUS_OK);
2999 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3000 url_fprintf(c->pb, "\r\n");
3004 /********************************************************************/
3007 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3008 FFStream *stream, const char *session_id,
3009 enum RTSPProtocol rtp_protocol)
3011 HTTPContext *c = NULL;
3012 const char *proto_str;
3014 /* XXX: should output a warning page when coming
3015 close to the connection limit */
3016 if (nb_connections >= nb_max_connections)
3019 /* add a new connection */
3020 c = av_mallocz(sizeof(HTTPContext));
3025 c->poll_entry = NULL;
3026 c->from_addr = *from_addr;
3027 c->buffer_size = IOBUFFER_INIT_SIZE;
3028 c->buffer = av_malloc(c->buffer_size);
3033 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3034 c->state = HTTPSTATE_READY;
3035 c->is_packetized = 1;
3036 c->rtp_protocol = rtp_protocol;
3038 /* protocol is shown in statistics */
3039 switch(c->rtp_protocol) {
3040 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3041 proto_str = "MCAST";
3043 case RTSP_PROTOCOL_RTP_UDP:
3046 case RTSP_PROTOCOL_RTP_TCP:
3053 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3054 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3056 current_bandwidth += stream->bandwidth;
3058 c->next = first_http_ctx;
3070 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3071 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3073 static int rtp_new_av_stream(HTTPContext *c,
3074 int stream_index, struct sockaddr_in *dest_addr,
3075 HTTPContext *rtsp_c)
3077 AVFormatContext *ctx;
3080 URLContext *h = NULL;
3083 int max_packet_size;
3085 /* now we can open the relevant output stream */
3086 ctx = av_alloc_format_context();
3089 ctx->oformat = guess_format("rtp", NULL, NULL);
3091 st = av_mallocz(sizeof(AVStream));
3094 st->codec= avcodec_alloc_context();
3095 ctx->nb_streams = 1;
3096 ctx->streams[0] = st;
3098 if (!c->stream->feed ||
3099 c->stream->feed == c->stream)
3100 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3103 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3105 st->priv_data = NULL;
3107 /* build destination RTP address */
3108 ipaddr = inet_ntoa(dest_addr->sin_addr);
3110 switch(c->rtp_protocol) {
3111 case RTSP_PROTOCOL_RTP_UDP:
3112 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3115 /* XXX: also pass as parameter to function ? */
3116 if (c->stream->is_multicast) {
3118 ttl = c->stream->multicast_ttl;
3121 snprintf(ctx->filename, sizeof(ctx->filename),
3122 "rtp://%s:%d?multicast=1&ttl=%d",
3123 ipaddr, ntohs(dest_addr->sin_port), ttl);
3125 snprintf(ctx->filename, sizeof(ctx->filename),
3126 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3129 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3131 c->rtp_handles[stream_index] = h;
3132 max_packet_size = url_get_max_packet_size(h);
3134 case RTSP_PROTOCOL_RTP_TCP:
3137 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3143 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3144 ipaddr, ntohs(dest_addr->sin_port),
3146 c->stream->filename, stream_index, c->protocol);
3148 /* normally, no packets should be output here, but the packet size may be checked */
3149 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3150 /* XXX: close stream */
3153 av_set_parameters(ctx, NULL);
3154 if (av_write_header(ctx) < 0) {
3161 url_close_dyn_buf(ctx->pb, &dummy_buf);
3164 c->rtp_ctx[stream_index] = ctx;
3168 /********************************************************************/
3169 /* ffserver initialization */
3171 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3175 fst = av_mallocz(sizeof(AVStream));
3178 fst->codec= avcodec_alloc_context();
3179 fst->priv_data = av_mallocz(sizeof(FeedData));
3180 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3181 fst->index = stream->nb_streams;
3182 av_set_pts_info(fst, 33, 1, 90000);
3183 stream->streams[stream->nb_streams++] = fst;
3187 /* return the stream number in the feed */
3188 static int add_av_stream(FFStream *feed, AVStream *st)
3191 AVCodecContext *av, *av1;
3195 for(i=0;i<feed->nb_streams;i++) {
3196 st = feed->streams[i];
3198 if (av1->codec_id == av->codec_id &&
3199 av1->codec_type == av->codec_type &&
3200 av1->bit_rate == av->bit_rate) {
3202 switch(av->codec_type) {
3203 case CODEC_TYPE_AUDIO:
3204 if (av1->channels == av->channels &&
3205 av1->sample_rate == av->sample_rate)
3208 case CODEC_TYPE_VIDEO:
3209 if (av1->width == av->width &&
3210 av1->height == av->height &&
3211 av1->time_base.den == av->time_base.den &&
3212 av1->time_base.num == av->time_base.num &&
3213 av1->gop_size == av->gop_size)
3222 fst = add_av_stream1(feed, av);
3225 return feed->nb_streams - 1;
3230 static void remove_stream(FFStream *stream)
3234 while (*ps != NULL) {
3242 /* specific mpeg4 handling : we extract the raw parameters */
3243 static void extract_mpeg4_header(AVFormatContext *infile)
3245 int mpeg4_count, i, size;
3251 for(i=0;i<infile->nb_streams;i++) {
3252 st = infile->streams[i];
3253 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3254 st->codec->extradata_size == 0) {
3261 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3262 while (mpeg4_count > 0) {
3263 if (av_read_packet(infile, &pkt) < 0)
3265 st = infile->streams[pkt.stream_index];
3266 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3267 st->codec->extradata_size == 0) {
3268 av_freep(&st->codec->extradata);
3269 /* fill extradata with the header */
3270 /* XXX: we make hard suppositions here ! */
3272 while (p < pkt.data + pkt.size - 4) {
3273 /* stop when vop header is found */
3274 if (p[0] == 0x00 && p[1] == 0x00 &&
3275 p[2] == 0x01 && p[3] == 0xb6) {
3276 size = p - pkt.data;
3277 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3278 st->codec->extradata = av_malloc(size);
3279 st->codec->extradata_size = size;
3280 memcpy(st->codec->extradata, pkt.data, size);
3287 av_free_packet(&pkt);
3291 /* compute the needed AVStream for each file */
3292 static void build_file_streams(void)
3294 FFStream *stream, *stream_next;
3295 AVFormatContext *infile;
3298 /* gather all streams */
3299 for(stream = first_stream; stream != NULL; stream = stream_next) {
3300 stream_next = stream->next;
3301 if (stream->stream_type == STREAM_TYPE_LIVE &&
3303 /* the stream comes from a file */
3304 /* try to open the file */
3306 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3307 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3308 /* specific case : if transport stream output to RTP,
3309 we use a raw transport stream reader */
3310 stream->ap_in->mpeg2ts_raw = 1;
3311 stream->ap_in->mpeg2ts_compute_pcr = 1;
3314 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3315 stream->ifmt, 0, stream->ap_in)) < 0) {
3316 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3317 /* remove stream (no need to spend more time on it) */
3319 remove_stream(stream);
3321 /* find all the AVStreams inside and reference them in
3323 if (av_find_stream_info(infile) < 0) {
3324 http_log("Could not find codec parameters from '%s'",
3325 stream->feed_filename);
3326 av_close_input_file(infile);
3329 extract_mpeg4_header(infile);
3331 for(i=0;i<infile->nb_streams;i++)
3332 add_av_stream1(stream, infile->streams[i]->codec);
3334 av_close_input_file(infile);
3340 /* compute the needed AVStream for each feed */
3341 static void build_feed_streams(void)
3343 FFStream *stream, *feed;
3346 /* gather all streams */
3347 for(stream = first_stream; stream != NULL; stream = stream->next) {
3348 feed = stream->feed;
3350 if (!stream->is_feed) {
3351 /* we handle a stream coming from a feed */
3352 for(i=0;i<stream->nb_streams;i++)
3353 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3358 /* gather all streams */
3359 for(stream = first_stream; stream != NULL; stream = stream->next) {
3360 feed = stream->feed;
3362 if (stream->is_feed) {
3363 for(i=0;i<stream->nb_streams;i++)
3364 stream->feed_streams[i] = i;
3369 /* create feed files if needed */
3370 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3373 if (url_exist(feed->feed_filename)) {
3374 /* See if it matches */
3378 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3379 /* Now see if it matches */
3380 if (s->nb_streams == feed->nb_streams) {
3382 for(i=0;i<s->nb_streams;i++) {
3384 sf = feed->streams[i];
3387 if (sf->index != ss->index ||
3389 printf("Index & Id do not match for stream %d (%s)\n",
3390 i, feed->feed_filename);
3393 AVCodecContext *ccf, *ccs;
3397 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3399 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3400 printf("Codecs do not match for stream %d\n", i);
3402 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3403 printf("Codec bitrates do not match for stream %d\n", i);
3405 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3406 if (CHECK_CODEC(time_base.den) ||
3407 CHECK_CODEC(time_base.num) ||
3408 CHECK_CODEC(width) ||
3409 CHECK_CODEC(height)) {
3410 printf("Codec width, height and framerate do not match for stream %d\n", i);
3413 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3414 if (CHECK_CODEC(sample_rate) ||
3415 CHECK_CODEC(channels) ||
3416 CHECK_CODEC(frame_size)) {
3417 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3421 printf("Unknown codec type\n");
3429 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3430 feed->feed_filename, s->nb_streams, feed->nb_streams);
3432 av_close_input_file(s);
3434 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3435 feed->feed_filename);
3438 if (feed->readonly) {
3439 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3440 feed->feed_filename);
3443 unlink(feed->feed_filename);
3446 if (!url_exist(feed->feed_filename)) {
3447 AVFormatContext s1, *s = &s1;
3449 if (feed->readonly) {
3450 printf("Unable to create feed file '%s' as it is marked readonly\n",
3451 feed->feed_filename);
3455 /* only write the header of the ffm file */
3456 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3457 fprintf(stderr, "Could not open output feed file '%s'\n",
3458 feed->feed_filename);
3461 s->oformat = feed->fmt;
3462 s->nb_streams = feed->nb_streams;
3463 for(i=0;i<s->nb_streams;i++) {
3465 st = feed->streams[i];
3468 av_set_parameters(s, NULL);
3469 if (av_write_header(s) < 0) {
3470 fprintf(stderr, "Container doesn't supports the required parameters\n");
3473 /* XXX: need better api */
3474 av_freep(&s->priv_data);
3477 /* get feed size and write index */
3478 fd = open(feed->feed_filename, O_RDONLY);
3480 fprintf(stderr, "Could not open output feed file '%s'\n",
3481 feed->feed_filename);
3485 feed->feed_write_index = ffm_read_write_index(fd);
3486 feed->feed_size = lseek(fd, 0, SEEK_END);
3487 /* ensure that we do not wrap before the end of file */
3488 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3489 feed->feed_max_size = feed->feed_size;
3495 /* compute the bandwidth used by each stream */
3496 static void compute_bandwidth(void)
3501 for(stream = first_stream; stream != NULL; stream = stream->next) {
3503 for(i=0;i<stream->nb_streams;i++) {
3504 AVStream *st = stream->streams[i];
3505 switch(st->codec->codec_type) {
3506 case CODEC_TYPE_AUDIO:
3507 case CODEC_TYPE_VIDEO:
3508 bandwidth += st->codec->bit_rate;
3514 stream->bandwidth = (bandwidth + 999) / 1000;
3518 static void get_arg(char *buf, int buf_size, const char **pp)
3525 while (isspace(*p)) p++;
3528 if (*p == '\"' || *p == '\'')
3540 if ((q - buf) < buf_size - 1)
3545 if (quote && *p == quote)
3550 /* add a codec and set the default parameters */
3551 static void add_codec(FFStream *stream, AVCodecContext *av)
3555 /* compute default parameters */
3556 switch(av->codec_type) {
3557 case CODEC_TYPE_AUDIO:
3558 if (av->bit_rate == 0)
3559 av->bit_rate = 64000;
3560 if (av->sample_rate == 0)
3561 av->sample_rate = 22050;
3562 if (av->channels == 0)
3565 case CODEC_TYPE_VIDEO:
3566 if (av->bit_rate == 0)
3567 av->bit_rate = 64000;
3568 if (av->time_base.num == 0){
3569 av->time_base.den = 5;
3570 av->time_base.num = 1;
3572 if (av->width == 0 || av->height == 0) {
3576 /* Bitrate tolerance is less for streaming */
3577 if (av->bit_rate_tolerance == 0)
3578 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3579 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3584 if (av->max_qdiff == 0)
3586 av->qcompress = 0.5;
3589 if (!av->nsse_weight)
3590 av->nsse_weight = 8;
3592 av->frame_skip_cmp = FF_CMP_DCTMAX;
3593 av->me_method = ME_EPZS;
3594 av->rc_buffer_aggressivity = 1.0;
3597 av->rc_eq = "tex^qComp";
3598 if (!av->i_quant_factor)
3599 av->i_quant_factor = -0.8;
3600 if (!av->b_quant_factor)
3601 av->b_quant_factor = 1.25;
3602 if (!av->b_quant_offset)
3603 av->b_quant_offset = 1.25;
3604 if (!av->rc_max_rate)
3605 av->rc_max_rate = av->bit_rate * 2;
3607 if (av->rc_max_rate && !av->rc_buffer_size) {
3608 av->rc_buffer_size = av->rc_max_rate;
3617 st = av_mallocz(sizeof(AVStream));
3620 st->codec = avcodec_alloc_context();
3621 stream->streams[stream->nb_streams++] = st;
3622 memcpy(st->codec, av, sizeof(AVCodecContext));
3625 static int opt_audio_codec(const char *arg)
3627 AVCodec *p= avcodec_find_encoder_by_name(arg);
3629 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3630 return CODEC_ID_NONE;
3635 static int opt_video_codec(const char *arg)
3637 AVCodec *p= avcodec_find_encoder_by_name(arg);
3639 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3640 return CODEC_ID_NONE;
3645 /* simplistic plugin support */
3648 static void load_module(const char *filename)
3651 void (*init_func)(void);
3652 dll = dlopen(filename, RTLD_NOW);
3654 fprintf(stderr, "Could not load module '%s' - %s\n",
3655 filename, dlerror());
3659 init_func = dlsym(dll, "ffserver_module_init");
3662 "%s: init function 'ffserver_module_init()' not found\n",
3671 static int parse_ffconfig(const char *filename)
3678 int val, errors, line_num;
3679 FFStream **last_stream, *stream, *redirect;
3680 FFStream **last_feed, *feed;
3681 AVCodecContext audio_enc, video_enc;
3682 int audio_id, video_id;
3684 f = fopen(filename, "r");
3692 first_stream = NULL;
3693 last_stream = &first_stream;
3695 last_feed = &first_feed;
3699 audio_id = CODEC_ID_NONE;
3700 video_id = CODEC_ID_NONE;
3702 if (fgets(line, sizeof(line), f) == NULL)
3708 if (*p == '\0' || *p == '#')
3711 get_arg(cmd, sizeof(cmd), &p);
3713 if (!strcasecmp(cmd, "Port")) {
3714 get_arg(arg, sizeof(arg), &p);
3716 if (val < 1 || val > 65536) {
3717 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3718 filename, line_num, arg);
3721 my_http_addr.sin_port = htons(val);
3722 } else if (!strcasecmp(cmd, "BindAddress")) {
3723 get_arg(arg, sizeof(arg), &p);
3724 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3725 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3726 filename, line_num, arg);
3729 } else if (!strcasecmp(cmd, "NoDaemon")) {
3730 ffserver_daemon = 0;
3731 } else if (!strcasecmp(cmd, "RTSPPort")) {
3732 get_arg(arg, sizeof(arg), &p);
3734 if (val < 1 || val > 65536) {
3735 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3736 filename, line_num, arg);
3739 my_rtsp_addr.sin_port = htons(atoi(arg));
3740 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3741 get_arg(arg, sizeof(arg), &p);
3742 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3743 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3744 filename, line_num, arg);
3747 } else if (!strcasecmp(cmd, "MaxClients")) {
3748 get_arg(arg, sizeof(arg), &p);
3750 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3751 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3752 filename, line_num, arg);
3755 nb_max_connections = val;
3757 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3758 get_arg(arg, sizeof(arg), &p);
3760 if (val < 10 || val > 100000) {
3761 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3762 filename, line_num, arg);
3765 max_bandwidth = val;
3766 } else if (!strcasecmp(cmd, "CustomLog")) {
3767 get_arg(logfilename, sizeof(logfilename), &p);
3768 } else if (!strcasecmp(cmd, "<Feed")) {
3769 /*********************************************/
3770 /* Feed related options */
3772 if (stream || feed) {
3773 fprintf(stderr, "%s:%d: Already in a tag\n",
3774 filename, line_num);
3776 feed = av_mallocz(sizeof(FFStream));
3777 /* add in stream list */
3778 *last_stream = feed;
3779 last_stream = &feed->next;
3780 /* add in feed list */
3782 last_feed = &feed->next_feed;
3784 get_arg(feed->filename, sizeof(feed->filename), &p);
3785 q = strrchr(feed->filename, '>');
3788 feed->fmt = guess_format("ffm", NULL, NULL);
3789 /* defaut feed file */
3790 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3791 "/tmp/%s.ffm", feed->filename);
3792 feed->feed_max_size = 5 * 1024 * 1024;
3794 feed->feed = feed; /* self feeding :-) */
3796 } else if (!strcasecmp(cmd, "Launch")) {
3800 feed->child_argv = av_mallocz(64 * sizeof(char *));
3802 for (i = 0; i < 62; i++) {
3803 get_arg(arg, sizeof(arg), &p);
3807 feed->child_argv[i] = av_strdup(arg);
3810 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3812 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3814 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3815 inet_ntoa(my_http_addr.sin_addr),
3816 ntohs(my_http_addr.sin_port), feed->filename);
3821 fprintf(stdout, "Launch commandline: ");
3822 for (j = 0; j <= i; j++)
3823 fprintf(stdout, "%s ", feed->child_argv[j]);
3824 fprintf(stdout, "\n");
3827 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3829 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3831 } else if (stream) {
3832 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3834 } else if (!strcasecmp(cmd, "File")) {
3836 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3838 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3839 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3844 get_arg(arg, sizeof(arg), &p);
3846 fsize = strtod(p1, &p1);
3847 switch(toupper(*p1)) {
3852 fsize *= 1024 * 1024;
3855 fsize *= 1024 * 1024 * 1024;
3858 feed->feed_max_size = (int64_t)fsize;
3860 } else if (!strcasecmp(cmd, "</Feed>")) {
3862 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3863 filename, line_num);
3867 } else if (!strcasecmp(cmd, "<Stream")) {
3868 /*********************************************/
3869 /* Stream related options */
3871 if (stream || feed) {
3872 fprintf(stderr, "%s:%d: Already in a tag\n",
3873 filename, line_num);
3875 stream = av_mallocz(sizeof(FFStream));
3876 *last_stream = stream;
3877 last_stream = &stream->next;
3879 get_arg(stream->filename, sizeof(stream->filename), &p);
3880 q = strrchr(stream->filename, '>');
3883 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3884 memset(&audio_enc, 0, sizeof(AVCodecContext));
3885 memset(&video_enc, 0, sizeof(AVCodecContext));
3886 audio_id = CODEC_ID_NONE;
3887 video_id = CODEC_ID_NONE;
3889 audio_id = stream->fmt->audio_codec;
3890 video_id = stream->fmt->video_codec;
3893 } else if (!strcasecmp(cmd, "Feed")) {
3894 get_arg(arg, sizeof(arg), &p);
3899 while (sfeed != NULL) {
3900 if (!strcmp(sfeed->filename, arg))
3902 sfeed = sfeed->next_feed;
3905 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3906 filename, line_num, arg);
3908 stream->feed = sfeed;
3910 } else if (!strcasecmp(cmd, "Format")) {
3911 get_arg(arg, sizeof(arg), &p);
3913 if (!strcmp(arg, "status")) {
3914 stream->stream_type = STREAM_TYPE_STATUS;
3917 stream->stream_type = STREAM_TYPE_LIVE;
3918 /* jpeg cannot be used here, so use single frame jpeg */
3919 if (!strcmp(arg, "jpeg"))
3920 strcpy(arg, "mjpeg");
3921 stream->fmt = guess_stream_format(arg, NULL, NULL);
3923 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3924 filename, line_num, arg);
3929 audio_id = stream->fmt->audio_codec;
3930 video_id = stream->fmt->video_codec;
3933 } else if (!strcasecmp(cmd, "InputFormat")) {
3934 get_arg(arg, sizeof(arg), &p);
3935 stream->ifmt = av_find_input_format(arg);
3936 if (!stream->ifmt) {
3937 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3938 filename, line_num, arg);
3940 } else if (!strcasecmp(cmd, "FaviconURL")) {
3941 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3942 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3944 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3945 filename, line_num);
3948 } else if (!strcasecmp(cmd, "Author")) {
3950 get_arg(stream->author, sizeof(stream->author), &p);
3951 } else if (!strcasecmp(cmd, "Comment")) {
3953 get_arg(stream->comment, sizeof(stream->comment), &p);
3954 } else if (!strcasecmp(cmd, "Copyright")) {
3956 get_arg(stream->copyright, sizeof(stream->copyright), &p);
3957 } else if (!strcasecmp(cmd, "Title")) {
3959 get_arg(stream->title, sizeof(stream->title), &p);
3960 } else if (!strcasecmp(cmd, "Preroll")) {
3961 get_arg(arg, sizeof(arg), &p);
3963 stream->prebuffer = atof(arg) * 1000;
3964 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
3966 stream->send_on_key = 1;
3967 } else if (!strcasecmp(cmd, "AudioCodec")) {
3968 get_arg(arg, sizeof(arg), &p);
3969 audio_id = opt_audio_codec(arg);
3970 if (audio_id == CODEC_ID_NONE) {
3971 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
3972 filename, line_num, arg);
3975 } else if (!strcasecmp(cmd, "VideoCodec")) {
3976 get_arg(arg, sizeof(arg), &p);
3977 video_id = opt_video_codec(arg);
3978 if (video_id == CODEC_ID_NONE) {
3979 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
3980 filename, line_num, arg);
3983 } else if (!strcasecmp(cmd, "MaxTime")) {
3984 get_arg(arg, sizeof(arg), &p);
3986 stream->max_time = atof(arg) * 1000;
3987 } else if (!strcasecmp(cmd, "AudioBitRate")) {
3988 get_arg(arg, sizeof(arg), &p);
3990 audio_enc.bit_rate = atoi(arg) * 1000;
3991 } else if (!strcasecmp(cmd, "AudioChannels")) {
3992 get_arg(arg, sizeof(arg), &p);
3994 audio_enc.channels = atoi(arg);
3995 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
3996 get_arg(arg, sizeof(arg), &p);
3998 audio_enc.sample_rate = atoi(arg);
3999 } else if (!strcasecmp(cmd, "AudioQuality")) {
4000 get_arg(arg, sizeof(arg), &p);
4002 // audio_enc.quality = atof(arg) * 1000;
4004 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4006 int minrate, maxrate;
4008 get_arg(arg, sizeof(arg), &p);
4010 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4011 video_enc.rc_min_rate = minrate * 1000;
4012 video_enc.rc_max_rate = maxrate * 1000;
4014 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4015 filename, line_num, arg);
4019 } else if (!strcasecmp(cmd, "Debug")) {
4021 get_arg(arg, sizeof(arg), &p);
4022 video_enc.debug = strtol(arg,0,0);
4024 } else if (!strcasecmp(cmd, "Strict")) {
4026 get_arg(arg, sizeof(arg), &p);
4027 video_enc.strict_std_compliance = atoi(arg);
4029 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4031 get_arg(arg, sizeof(arg), &p);
4032 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4034 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4036 get_arg(arg, sizeof(arg), &p);
4037 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4039 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4040 get_arg(arg, sizeof(arg), &p);
4042 video_enc.bit_rate = atoi(arg) * 1000;
4044 } else if (!strcasecmp(cmd, "VideoSize")) {
4045 get_arg(arg, sizeof(arg), &p);
4047 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4048 if ((video_enc.width % 16) != 0 ||
4049 (video_enc.height % 16) != 0) {
4050 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4051 filename, line_num);
4055 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4056 get_arg(arg, sizeof(arg), &p);
4058 video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
4059 video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
4061 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4062 get_arg(arg, sizeof(arg), &p);
4064 video_enc.gop_size = atoi(arg);
4065 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4067 video_enc.gop_size = 1;
4068 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4070 video_enc.mb_decision = FF_MB_DECISION_BITS;
4071 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4073 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4074 video_enc.flags |= CODEC_FLAG_4MV;
4076 } else if (!strcasecmp(cmd, "VideoTag")) {
4077 get_arg(arg, sizeof(arg), &p);
4078 if ((strlen(arg) == 4) && stream)
4079 video_enc.codec_tag = ff_get_fourcc(arg);
4080 } else if (!strcasecmp(cmd, "BitExact")) {
4082 video_enc.flags |= CODEC_FLAG_BITEXACT;
4083 } else if (!strcasecmp(cmd, "DctFastint")) {
4085 video_enc.dct_algo = FF_DCT_FASTINT;
4086 } else if (!strcasecmp(cmd, "IdctSimple")) {
4088 video_enc.idct_algo = FF_IDCT_SIMPLE;
4089 } else if (!strcasecmp(cmd, "Qscale")) {
4090 get_arg(arg, sizeof(arg), &p);
4092 video_enc.flags |= CODEC_FLAG_QSCALE;
4093 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4095 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4096 get_arg(arg, sizeof(arg), &p);
4098 video_enc.max_qdiff = atoi(arg);
4099 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4100 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4101 filename, line_num);
4105 } else if (!strcasecmp(cmd, "VideoQMax")) {
4106 get_arg(arg, sizeof(arg), &p);
4108 video_enc.qmax = atoi(arg);
4109 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4110 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4111 filename, line_num);
4115 } else if (!strcasecmp(cmd, "VideoQMin")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 video_enc.qmin = atoi(arg);
4119 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4120 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4121 filename, line_num);
4125 } else if (!strcasecmp(cmd, "LumaElim")) {
4126 get_arg(arg, sizeof(arg), &p);
4128 video_enc.luma_elim_threshold = atoi(arg);
4129 } else if (!strcasecmp(cmd, "ChromaElim")) {
4130 get_arg(arg, sizeof(arg), &p);
4132 video_enc.chroma_elim_threshold = atoi(arg);
4133 } else if (!strcasecmp(cmd, "LumiMask")) {
4134 get_arg(arg, sizeof(arg), &p);
4136 video_enc.lumi_masking = atof(arg);
4137 } else if (!strcasecmp(cmd, "DarkMask")) {
4138 get_arg(arg, sizeof(arg), &p);
4140 video_enc.dark_masking = atof(arg);
4141 } else if (!strcasecmp(cmd, "NoVideo")) {
4142 video_id = CODEC_ID_NONE;
4143 } else if (!strcasecmp(cmd, "NoAudio")) {
4144 audio_id = CODEC_ID_NONE;
4145 } else if (!strcasecmp(cmd, "ACL")) {
4148 get_arg(arg, sizeof(arg), &p);
4149 if (strcasecmp(arg, "allow") == 0)
4150 acl.action = IP_ALLOW;
4151 else if (strcasecmp(arg, "deny") == 0)
4152 acl.action = IP_DENY;
4154 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4155 filename, line_num, arg);
4159 get_arg(arg, sizeof(arg), &p);
4161 if (resolve_host(&acl.first, arg) != 0) {
4162 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4163 filename, line_num, arg);
4166 acl.last = acl.first;
4168 get_arg(arg, sizeof(arg), &p);
4171 if (resolve_host(&acl.last, arg) != 0) {
4172 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4173 filename, line_num, arg);
4179 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4180 IPAddressACL **naclp = 0;
4186 naclp = &stream->acl;
4190 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4191 filename, line_num);
4197 naclp = &(*naclp)->next;
4202 } else if (!strcasecmp(cmd, "RTSPOption")) {
4203 get_arg(arg, sizeof(arg), &p);
4205 av_freep(&stream->rtsp_option);
4206 stream->rtsp_option = av_strdup(arg);
4208 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4209 get_arg(arg, sizeof(arg), &p);
4211 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4212 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4213 filename, line_num, arg);
4216 stream->is_multicast = 1;
4217 stream->loop = 1; /* default is looping */
4219 } else if (!strcasecmp(cmd, "MulticastPort")) {
4220 get_arg(arg, sizeof(arg), &p);
4222 stream->multicast_port = atoi(arg);
4223 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4224 get_arg(arg, sizeof(arg), &p);
4226 stream->multicast_ttl = atoi(arg);
4227 } else if (!strcasecmp(cmd, "NoLoop")) {
4230 } else if (!strcasecmp(cmd, "</Stream>")) {
4232 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4233 filename, line_num);
4236 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4237 if (audio_id != CODEC_ID_NONE) {
4238 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4239 audio_enc.codec_id = audio_id;
4240 add_codec(stream, &audio_enc);
4242 if (video_id != CODEC_ID_NONE) {
4243 video_enc.codec_type = CODEC_TYPE_VIDEO;
4244 video_enc.codec_id = video_id;
4245 add_codec(stream, &video_enc);
4250 } else if (!strcasecmp(cmd, "<Redirect")) {
4251 /*********************************************/
4253 if (stream || feed || redirect) {
4254 fprintf(stderr, "%s:%d: Already in a tag\n",
4255 filename, line_num);
4258 redirect = av_mallocz(sizeof(FFStream));
4259 *last_stream = redirect;
4260 last_stream = &redirect->next;
4262 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4263 q = strrchr(redirect->filename, '>');
4266 redirect->stream_type = STREAM_TYPE_REDIRECT;
4268 } else if (!strcasecmp(cmd, "URL")) {
4270 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4271 } else if (!strcasecmp(cmd, "</Redirect>")) {
4273 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4274 filename, line_num);
4277 if (!redirect->feed_filename[0]) {
4278 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4279 filename, line_num);
4284 } else if (!strcasecmp(cmd, "LoadModule")) {
4285 get_arg(arg, sizeof(arg), &p);
4289 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4290 filename, line_num, arg);
4294 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4295 filename, line_num, cmd);
4307 static void handle_child_exit(int sig)
4312 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4315 for (feed = first_feed; feed; feed = feed->next) {
4316 if (feed->pid == pid) {
4317 int uptime = time(0) - feed->pid_start;
4320 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4323 /* Turn off any more restarts */
4324 feed->child_argv = 0;
4329 need_to_start_children = 1;
4332 static void opt_debug()
4335 ffserver_daemon = 0;
4338 static void opt_show_help(void)
4340 printf("usage: ffserver [options]\n"
4341 "Hyper fast multi format Audio/Video streaming server\n");
4343 show_help_options(options, "Main options:\n", 0, 0);
4346 static const OptionDef options[] = {
4347 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4348 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4349 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4350 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4351 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4352 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4353 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4357 int main(int argc, char **argv)
4359 struct sigaction sigact;
4365 config_filename = "/etc/ffserver.conf";
4367 my_program_name = argv[0];
4368 my_program_dir = getcwd(0, 0);
4369 ffserver_daemon = 1;
4371 parse_options(argc, argv, options, NULL);
4373 putenv("http_proxy"); /* Kill the http_proxy */
4375 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4377 /* address on which the server will handle HTTP connections */
4378 my_http_addr.sin_family = AF_INET;
4379 my_http_addr.sin_port = htons (8080);
4380 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4382 /* address on which the server will handle RTSP connections */
4383 my_rtsp_addr.sin_family = AF_INET;
4384 my_rtsp_addr.sin_port = htons (5454);
4385 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4387 nb_max_connections = 5;
4388 max_bandwidth = 1000;
4389 first_stream = NULL;
4390 logfilename[0] = '\0';
4392 memset(&sigact, 0, sizeof(sigact));
4393 sigact.sa_handler = handle_child_exit;
4394 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4395 sigaction(SIGCHLD, &sigact, 0);
4397 if (parse_ffconfig(config_filename) < 0) {
4398 fprintf(stderr, "Incorrect config file - exiting.\n");
4402 build_file_streams();
4404 build_feed_streams();
4406 compute_bandwidth();
4408 /* put the process in background and detach it from its TTY */
4409 if (ffserver_daemon) {
4416 } else if (pid > 0) {
4424 open("/dev/null", O_RDWR);
4425 if (strcmp(logfilename, "-") != 0) {
4435 signal(SIGPIPE, SIG_IGN);
4437 /* open log file if needed */
4438 if (logfilename[0] != '\0') {
4439 if (!strcmp(logfilename, "-"))
4442 logfile = fopen(logfilename, "a");
4445 if (http_server() < 0) {
4446 fprintf(stderr, "Could not start server\n");