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
57 const char program_name[] = "FFserver";
58 const int program_birth_year = 2000;
60 static const OptionDef options[];
62 /* maximum number of simultaneous HTTP connections */
63 #define HTTP_MAX_CONNECTIONS 2000
66 HTTPSTATE_WAIT_REQUEST,
67 HTTPSTATE_SEND_HEADER,
68 HTTPSTATE_SEND_DATA_HEADER,
69 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
70 HTTPSTATE_SEND_DATA_TRAILER,
71 HTTPSTATE_RECEIVE_DATA,
72 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
75 RTSPSTATE_WAIT_REQUEST,
77 RTSPSTATE_SEND_PACKET,
80 const char *http_state[] = {
96 #define IOBUFFER_INIT_SIZE 8192
98 /* timeouts are in ms */
99 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
100 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
102 #define SYNC_TIMEOUT (10 * 1000)
105 int64_t count1, count2;
106 int64_t time1, time2;
109 /* context associated with one connection */
110 typedef struct HTTPContext {
111 enum HTTPState state;
112 int fd; /* socket file descriptor */
113 struct sockaddr_in from_addr; /* origin */
114 struct pollfd *poll_entry; /* used when polling */
116 uint8_t *buffer_ptr, *buffer_end;
119 struct HTTPContext *next;
120 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
124 /* input format handling */
125 AVFormatContext *fmt_in;
126 int64_t start_time; /* In milliseconds - this wraps fairly often */
127 int64_t first_pts; /* initial pts value */
128 int64_t cur_pts; /* current pts value from the stream in us */
129 int64_t cur_frame_duration; /* duration of the current frame in us */
130 int cur_frame_bytes; /* output frame size, needed to compute
131 the time at which we send each
133 int pts_stream_index; /* stream we choose as clock reference */
134 int64_t cur_clock; /* current clock reference value in us */
135 /* output format handling */
136 struct FFStream *stream;
137 /* -1 is invalid stream */
138 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
139 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
141 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
142 int last_packet_sent; /* true if last data packet was sent */
144 DataRateData datarate;
151 int is_packetized; /* if true, the stream is packetized */
152 int packet_stream_index; /* current stream for output in state machine */
154 /* RTSP state specific */
155 uint8_t *pb_buffer; /* XXX: use that in all the code */
157 int seq; /* RTSP sequence number */
159 /* RTP state specific */
160 enum RTSPProtocol rtp_protocol;
161 char session_id[32]; /* session id */
162 AVFormatContext *rtp_ctx[MAX_STREAMS];
164 /* RTP/UDP specific */
165 URLContext *rtp_handles[MAX_STREAMS];
167 /* RTP/TCP specific */
168 struct HTTPContext *rtsp_c;
169 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
172 /* each generated stream is described here */
176 STREAM_TYPE_REDIRECT,
179 enum IPAddressAction {
184 typedef struct IPAddressACL {
185 struct IPAddressACL *next;
186 enum IPAddressAction action;
187 /* These are in host order */
188 struct in_addr first;
192 /* description of each stream of the ffserver.conf file */
193 typedef struct FFStream {
194 enum StreamType stream_type;
195 char filename[1024]; /* stream filename */
196 struct FFStream *feed; /* feed we are using (can be null if
198 AVFormatParameters *ap_in; /* input parameters */
199 AVInputFormat *ifmt; /* if non NULL, force input format */
203 int prebuffer; /* Number of millseconds early to start */
204 int64_t max_time; /* Number of milliseconds to run */
206 AVStream *streams[MAX_STREAMS];
207 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
208 char feed_filename[1024]; /* file name of the feed storage, or
209 input file name for a stream */
214 pid_t pid; /* Of ffmpeg process */
215 time_t pid_start; /* Of ffmpeg process */
217 struct FFStream *next;
218 int bandwidth; /* bandwidth, in kbits/s */
221 /* multicast specific */
223 struct in_addr multicast_ip;
224 int multicast_port; /* first port used for multicast */
226 int loop; /* if true, send the stream in loops (only meaningful if file) */
229 int feed_opened; /* true if someone is writing to the feed */
230 int is_feed; /* true if it is a feed */
231 int readonly; /* True if writing is prohibited to the file */
233 int64_t bytes_served;
234 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
235 int64_t feed_write_index; /* current write position in feed (it wraps around) */
236 int64_t feed_size; /* current size of feed */
237 struct FFStream *next_feed;
240 typedef struct FeedData {
241 long long data_count;
242 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
245 static struct sockaddr_in my_http_addr;
246 static struct sockaddr_in my_rtsp_addr;
248 static char logfilename[1024];
249 static HTTPContext *first_http_ctx;
250 static FFStream *first_feed; /* contains only feeds */
251 static FFStream *first_stream; /* contains all streams, including feeds */
253 static void new_connection(int server_fd, int is_rtsp);
254 static void close_connection(HTTPContext *c);
257 static int handle_connection(HTTPContext *c);
258 static int http_parse_request(HTTPContext *c);
259 static int http_send_data(HTTPContext *c);
260 static void compute_stats(HTTPContext *c);
261 static int open_input_stream(HTTPContext *c, const char *info);
262 static int http_start_receive_data(HTTPContext *c);
263 static int http_receive_data(HTTPContext *c);
266 static int rtsp_parse_request(HTTPContext *c);
267 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
268 static void rtsp_cmd_options(HTTPContext *c, const char *url);
269 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
270 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
275 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
276 struct in_addr my_ip);
279 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
280 FFStream *stream, const char *session_id,
281 enum RTSPProtocol rtp_protocol);
282 static int rtp_new_av_stream(HTTPContext *c,
283 int stream_index, struct sockaddr_in *dest_addr,
284 HTTPContext *rtsp_c);
286 static const char *my_program_name;
287 static const char *my_program_dir;
289 static const char *config_filename;
290 static int ffserver_debug;
291 static int ffserver_daemon;
292 static int no_launch;
293 static int need_to_start_children;
295 static int nb_max_connections;
296 static int nb_connections;
298 static int max_bandwidth;
299 static int current_bandwidth;
301 static int64_t cur_time; // Making this global saves on passing it around everywhere
303 static AVRandomState random_state;
305 static FILE *logfile = NULL;
307 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
313 vfprintf(logfile, fmt, ap);
319 static char *ctime1(char *buf2)
327 p = buf2 + strlen(p) - 1;
333 static void log_connection(HTTPContext *c)
340 http_log("%s - - [%s] \"%s %s %s\" %d %"PRId64"\n",
341 inet_ntoa(c->from_addr.sin_addr),
342 ctime1(buf2), c->method, c->url,
343 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
346 static void update_datarate(DataRateData *drd, int64_t count)
348 if (!drd->time1 && !drd->count1) {
349 drd->time1 = drd->time2 = cur_time;
350 drd->count1 = drd->count2 = count;
351 } else if (cur_time - drd->time2 > 5000) {
352 drd->time1 = drd->time2;
353 drd->count1 = drd->count2;
354 drd->time2 = cur_time;
359 /* In bytes per second */
360 static int compute_datarate(DataRateData *drd, int64_t count)
362 if (cur_time == drd->time1)
365 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
369 static void start_children(FFStream *feed)
374 for (; feed; feed = feed->next) {
375 if (feed->child_argv && !feed->pid) {
376 feed->pid_start = time(0);
381 fprintf(stderr, "Unable to create children\n");
390 for (i = 3; i < 256; i++)
393 if (!ffserver_debug) {
394 i = open("/dev/null", O_RDWR);
403 av_strlcpy(pathname, my_program_name, sizeof(pathname));
405 slash = strrchr(pathname, '/');
410 strcpy(slash, "ffmpeg");
412 /* This is needed to make relative pathnames work */
413 chdir(my_program_dir);
415 signal(SIGPIPE, SIG_DFL);
417 execvp(pathname, feed->child_argv);
425 /* open a listening socket */
426 static int socket_open_listen(struct sockaddr_in *my_addr)
430 server_fd = socket(AF_INET,SOCK_STREAM,0);
437 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
439 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
441 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
443 closesocket(server_fd);
447 if (listen (server_fd, 5) < 0) {
449 closesocket(server_fd);
452 ff_socket_nonblock(server_fd, 1);
457 /* start all multicast streams */
458 static void start_multicast(void)
463 struct sockaddr_in dest_addr;
464 int default_port, stream_index;
467 for(stream = first_stream; stream != NULL; stream = stream->next) {
468 if (stream->is_multicast) {
469 /* open the RTP connection */
470 snprintf(session_id, sizeof(session_id), "%08x%08x",
471 av_random(&random_state), av_random(&random_state));
473 /* choose a port if none given */
474 if (stream->multicast_port == 0) {
475 stream->multicast_port = default_port;
479 dest_addr.sin_family = AF_INET;
480 dest_addr.sin_addr = stream->multicast_ip;
481 dest_addr.sin_port = htons(stream->multicast_port);
483 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
484 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
488 if (open_input_stream(rtp_c, "") < 0) {
489 fprintf(stderr, "Could not open input stream for stream '%s'\n",
494 /* open each RTP stream */
495 for(stream_index = 0; stream_index < stream->nb_streams;
497 dest_addr.sin_port = htons(stream->multicast_port +
499 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
500 fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
501 stream->filename, stream_index);
506 /* change state to send data */
507 rtp_c->state = HTTPSTATE_SEND_DATA;
512 /* main loop of the http server */
513 static int http_server(void)
515 int server_fd, ret, rtsp_server_fd, delay, delay1;
516 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
517 HTTPContext *c, *c_next;
519 server_fd = socket_open_listen(&my_http_addr);
523 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
524 if (rtsp_server_fd < 0)
527 http_log("ffserver started.\n");
529 start_children(first_feed);
531 first_http_ctx = NULL;
537 poll_entry = poll_table;
538 poll_entry->fd = server_fd;
539 poll_entry->events = POLLIN;
542 poll_entry->fd = rtsp_server_fd;
543 poll_entry->events = POLLIN;
546 /* wait for events on each HTTP handle */
553 case HTTPSTATE_SEND_HEADER:
554 case RTSPSTATE_SEND_REPLY:
555 case RTSPSTATE_SEND_PACKET:
556 c->poll_entry = poll_entry;
558 poll_entry->events = POLLOUT;
561 case HTTPSTATE_SEND_DATA_HEADER:
562 case HTTPSTATE_SEND_DATA:
563 case HTTPSTATE_SEND_DATA_TRAILER:
564 if (!c->is_packetized) {
565 /* for TCP, we output as much as we can (may need to put a limit) */
566 c->poll_entry = poll_entry;
568 poll_entry->events = POLLOUT;
571 /* when ffserver is doing the timing, we work by
572 looking at which packet need to be sent every
574 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
579 case HTTPSTATE_WAIT_REQUEST:
580 case HTTPSTATE_RECEIVE_DATA:
581 case HTTPSTATE_WAIT_FEED:
582 case RTSPSTATE_WAIT_REQUEST:
583 /* need to catch errors */
584 c->poll_entry = poll_entry;
586 poll_entry->events = POLLIN;/* Maybe this will work */
590 c->poll_entry = NULL;
596 /* wait for an event on one connection. We poll at least every
597 second to handle timeouts */
599 ret = poll(poll_table, poll_entry - poll_table, delay);
600 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
601 ff_neterrno() != FF_NETERROR(EINTR))
605 cur_time = av_gettime() / 1000;
607 if (need_to_start_children) {
608 need_to_start_children = 0;
609 start_children(first_feed);
612 /* now handle the events */
613 for(c = first_http_ctx; c != NULL; c = c_next) {
615 if (handle_connection(c) < 0) {
616 /* close and free the connection */
622 poll_entry = poll_table;
623 /* new HTTP connection request ? */
624 if (poll_entry->revents & POLLIN)
625 new_connection(server_fd, 0);
627 /* new RTSP connection request ? */
628 if (poll_entry->revents & POLLIN)
629 new_connection(rtsp_server_fd, 1);
633 /* start waiting for a new HTTP/RTSP request */
634 static void start_wait_request(HTTPContext *c, int is_rtsp)
636 c->buffer_ptr = c->buffer;
637 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
640 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
641 c->state = RTSPSTATE_WAIT_REQUEST;
643 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
644 c->state = HTTPSTATE_WAIT_REQUEST;
648 static void new_connection(int server_fd, int is_rtsp)
650 struct sockaddr_in from_addr;
652 HTTPContext *c = NULL;
654 len = sizeof(from_addr);
655 fd = accept(server_fd, (struct sockaddr *)&from_addr,
659 ff_socket_nonblock(fd, 1);
661 /* XXX: should output a warning page when coming
662 close to the connection limit */
663 if (nb_connections >= nb_max_connections)
666 /* add a new connection */
667 c = av_mallocz(sizeof(HTTPContext));
672 c->poll_entry = NULL;
673 c->from_addr = from_addr;
674 c->buffer_size = IOBUFFER_INIT_SIZE;
675 c->buffer = av_malloc(c->buffer_size);
679 c->next = first_http_ctx;
683 start_wait_request(c, is_rtsp);
695 static void close_connection(HTTPContext *c)
697 HTTPContext **cp, *c1;
699 AVFormatContext *ctx;
703 /* remove connection from list */
704 cp = &first_http_ctx;
705 while ((*cp) != NULL) {
713 /* remove references, if any (XXX: do it faster) */
714 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
719 /* remove connection associated resources */
723 /* close each frame parser */
724 for(i=0;i<c->fmt_in->nb_streams;i++) {
725 st = c->fmt_in->streams[i];
726 if (st->codec->codec)
727 avcodec_close(st->codec);
729 av_close_input_file(c->fmt_in);
732 /* free RTP output streams if any */
735 nb_streams = c->stream->nb_streams;
737 for(i=0;i<nb_streams;i++) {
740 av_write_trailer(ctx);
743 h = c->rtp_handles[i];
750 if (!c->last_packet_sent) {
753 if (url_open_dyn_buf(&ctx->pb) >= 0) {
754 av_write_trailer(ctx);
755 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
760 for(i=0; i<ctx->nb_streams; i++)
761 av_free(ctx->streams[i]);
763 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
764 current_bandwidth -= c->stream->bandwidth;
766 /* signal that there is no feed if we are the feeder socket */
767 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
768 c->stream->feed_opened = 0;
772 av_freep(&c->pb_buffer);
773 av_freep(&c->packet_buffer);
779 static int handle_connection(HTTPContext *c)
784 case HTTPSTATE_WAIT_REQUEST:
785 case RTSPSTATE_WAIT_REQUEST:
787 if ((c->timeout - cur_time) < 0)
789 if (c->poll_entry->revents & (POLLERR | POLLHUP))
792 /* no need to read if no events */
793 if (!(c->poll_entry->revents & POLLIN))
797 len = recv(c->fd, c->buffer_ptr, 1, 0);
799 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
800 ff_neterrno() != FF_NETERROR(EINTR))
802 } else if (len == 0) {
805 /* search for end of request. */
807 c->buffer_ptr += len;
809 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
810 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
811 /* request found : parse it and reply */
812 if (c->state == HTTPSTATE_WAIT_REQUEST) {
813 ret = http_parse_request(c);
815 ret = rtsp_parse_request(c);
819 } else if (ptr >= c->buffer_end) {
820 /* request too long: cannot do anything */
822 } else goto read_loop;
826 case HTTPSTATE_SEND_HEADER:
827 if (c->poll_entry->revents & (POLLERR | POLLHUP))
830 /* no need to write if no events */
831 if (!(c->poll_entry->revents & POLLOUT))
833 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
835 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
836 ff_neterrno() != FF_NETERROR(EINTR)) {
837 /* error : close connection */
838 av_freep(&c->pb_buffer);
842 c->buffer_ptr += len;
844 c->stream->bytes_served += len;
845 c->data_count += len;
846 if (c->buffer_ptr >= c->buffer_end) {
847 av_freep(&c->pb_buffer);
851 /* all the buffer was sent : synchronize to the incoming stream */
852 c->state = HTTPSTATE_SEND_DATA_HEADER;
853 c->buffer_ptr = c->buffer_end = c->buffer;
858 case HTTPSTATE_SEND_DATA:
859 case HTTPSTATE_SEND_DATA_HEADER:
860 case HTTPSTATE_SEND_DATA_TRAILER:
861 /* for packetized output, we consider we can always write (the
862 input streams sets the speed). It may be better to verify
863 that we do not rely too much on the kernel queues */
864 if (!c->is_packetized) {
865 if (c->poll_entry->revents & (POLLERR | POLLHUP))
868 /* no need to read if no events */
869 if (!(c->poll_entry->revents & POLLOUT))
872 if (http_send_data(c) < 0)
874 /* close connection if trailer sent */
875 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
878 case HTTPSTATE_RECEIVE_DATA:
879 /* no need to read if no events */
880 if (c->poll_entry->revents & (POLLERR | POLLHUP))
882 if (!(c->poll_entry->revents & POLLIN))
884 if (http_receive_data(c) < 0)
887 case HTTPSTATE_WAIT_FEED:
888 /* no need to read if no events */
889 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
892 /* nothing to do, we'll be waken up by incoming feed packets */
895 case RTSPSTATE_SEND_REPLY:
896 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
897 av_freep(&c->pb_buffer);
900 /* no need to write if no events */
901 if (!(c->poll_entry->revents & POLLOUT))
903 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
905 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
906 ff_neterrno() != FF_NETERROR(EINTR)) {
907 /* error : close connection */
908 av_freep(&c->pb_buffer);
912 c->buffer_ptr += len;
913 c->data_count += len;
914 if (c->buffer_ptr >= c->buffer_end) {
915 /* all the buffer was sent : wait for a new request */
916 av_freep(&c->pb_buffer);
917 start_wait_request(c, 1);
921 case RTSPSTATE_SEND_PACKET:
922 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
923 av_freep(&c->packet_buffer);
926 /* no need to write if no events */
927 if (!(c->poll_entry->revents & POLLOUT))
929 len = send(c->fd, c->packet_buffer_ptr,
930 c->packet_buffer_end - c->packet_buffer_ptr, 0);
932 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
933 ff_neterrno() != FF_NETERROR(EINTR)) {
934 /* error : close connection */
935 av_freep(&c->packet_buffer);
939 c->packet_buffer_ptr += len;
940 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
941 /* all the buffer was sent : wait for a new request */
942 av_freep(&c->packet_buffer);
943 c->state = RTSPSTATE_WAIT_REQUEST;
947 case HTTPSTATE_READY:
956 static int extract_rates(char *rates, int ratelen, const char *request)
960 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
961 if (strncasecmp(p, "Pragma:", 7) == 0) {
962 const char *q = p + 7;
964 while (*q && *q != '\n' && isspace(*q))
967 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
973 memset(rates, 0xff, ratelen);
976 while (*q && *q != '\n' && *q != ':')
979 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
983 if (stream_no < ratelen && stream_no >= 0)
984 rates[stream_no] = rate_no;
986 while (*q && *q != '\n' && !isspace(*q))
1003 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1006 int best_bitrate = 100000000;
1009 for (i = 0; i < feed->nb_streams; i++) {
1010 AVCodecContext *feed_codec = feed->streams[i]->codec;
1012 if (feed_codec->codec_id != codec->codec_id ||
1013 feed_codec->sample_rate != codec->sample_rate ||
1014 feed_codec->width != codec->width ||
1015 feed_codec->height != codec->height)
1018 /* Potential stream */
1020 /* We want the fastest stream less than bit_rate, or the slowest
1021 * faster than bit_rate
1024 if (feed_codec->bit_rate <= bit_rate) {
1025 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1026 best_bitrate = feed_codec->bit_rate;
1030 if (feed_codec->bit_rate < best_bitrate) {
1031 best_bitrate = feed_codec->bit_rate;
1040 static int modify_current_stream(HTTPContext *c, char *rates)
1043 FFStream *req = c->stream;
1044 int action_required = 0;
1046 /* Not much we can do for a feed */
1050 for (i = 0; i < req->nb_streams; i++) {
1051 AVCodecContext *codec = req->streams[i]->codec;
1055 c->switch_feed_streams[i] = req->feed_streams[i];
1058 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1061 /* Wants off or slow */
1062 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1064 /* This doesn't work well when it turns off the only stream! */
1065 c->switch_feed_streams[i] = -2;
1066 c->feed_streams[i] = -2;
1071 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1072 action_required = 1;
1075 return action_required;
1079 static void do_switch_stream(HTTPContext *c, int i)
1081 if (c->switch_feed_streams[i] >= 0) {
1083 c->feed_streams[i] = c->switch_feed_streams[i];
1086 /* Now update the stream */
1088 c->switch_feed_streams[i] = -1;
1091 /* XXX: factorize in utils.c ? */
1092 /* XXX: take care with different space meaning */
1093 static void skip_spaces(const char **pp)
1097 while (*p == ' ' || *p == '\t')
1102 static void get_word(char *buf, int buf_size, const char **pp)
1110 while (!isspace(*p) && *p != '\0') {
1111 if ((q - buf) < buf_size - 1)
1120 static int validate_acl(FFStream *stream, HTTPContext *c)
1122 enum IPAddressAction last_action = IP_DENY;
1124 struct in_addr *src = &c->from_addr.sin_addr;
1125 unsigned long src_addr = src->s_addr;
1127 for (acl = stream->acl; acl; acl = acl->next) {
1128 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1129 return (acl->action == IP_ALLOW) ? 1 : 0;
1130 last_action = acl->action;
1133 /* Nothing matched, so return not the last action */
1134 return (last_action == IP_DENY) ? 1 : 0;
1137 /* compute the real filename of a file by matching it without its
1138 extensions to all the stream filenames */
1139 static void compute_real_filename(char *filename, int max_size)
1146 /* compute filename by matching without the file extensions */
1147 av_strlcpy(file1, filename, sizeof(file1));
1148 p = strrchr(file1, '.');
1151 for(stream = first_stream; stream != NULL; stream = stream->next) {
1152 av_strlcpy(file2, stream->filename, sizeof(file2));
1153 p = strrchr(file2, '.');
1156 if (!strcmp(file1, file2)) {
1157 av_strlcpy(filename, stream->filename, max_size);
1172 /* parse http request and prepare header */
1173 static int http_parse_request(HTTPContext *c)
1176 enum RedirType redir_type;
1178 char info[1024], filename[1024];
1182 const char *mime_type;
1186 char *useragent = 0;
1189 get_word(cmd, sizeof(cmd), (const char **)&p);
1190 av_strlcpy(c->method, cmd, sizeof(c->method));
1192 if (!strcmp(cmd, "GET"))
1194 else if (!strcmp(cmd, "POST"))
1199 get_word(url, sizeof(url), (const char **)&p);
1200 av_strlcpy(c->url, url, sizeof(c->url));
1202 get_word(protocol, sizeof(protocol), (const char **)&p);
1203 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1206 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1209 http_log("New connection: %s %s\n", cmd, url);
1211 /* find the filename and the optional info string in the request */
1212 p = strchr(url, '?');
1214 av_strlcpy(info, p, sizeof(info));
1219 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1221 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1222 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1224 if (*useragent && *useragent != '\n' && isspace(*useragent))
1228 p = strchr(p, '\n');
1235 redir_type = REDIR_NONE;
1236 if (match_ext(filename, "asx")) {
1237 redir_type = REDIR_ASX;
1238 filename[strlen(filename)-1] = 'f';
1239 } else if (match_ext(filename, "asf") &&
1240 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1241 /* if this isn't WMP or lookalike, return the redirector file */
1242 redir_type = REDIR_ASF;
1243 } else if (match_ext(filename, "rpm,ram")) {
1244 redir_type = REDIR_RAM;
1245 strcpy(filename + strlen(filename)-2, "m");
1246 } else if (match_ext(filename, "rtsp")) {
1247 redir_type = REDIR_RTSP;
1248 compute_real_filename(filename, sizeof(filename) - 1);
1249 } else if (match_ext(filename, "sdp")) {
1250 redir_type = REDIR_SDP;
1251 compute_real_filename(filename, sizeof(filename) - 1);
1254 // "redirect" / request to index.html
1255 if (!strlen(filename))
1256 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1258 stream = first_stream;
1259 while (stream != NULL) {
1260 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1262 stream = stream->next;
1264 if (stream == NULL) {
1265 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1270 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1271 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1273 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1274 c->http_error = 301;
1276 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1277 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1278 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1279 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1280 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1281 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1282 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1284 /* prepare output buffer */
1285 c->buffer_ptr = c->buffer;
1287 c->state = HTTPSTATE_SEND_HEADER;
1291 /* If this is WMP, get the rate information */
1292 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1293 if (modify_current_stream(c, ratebuf)) {
1294 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1295 if (c->switch_feed_streams[i] >= 0)
1296 do_switch_stream(c, i);
1301 /* If already streaming this feed, do not let start another feeder. */
1302 if (stream->feed_opened) {
1303 snprintf(msg, sizeof(msg), "This feed is already being received.");
1307 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1308 current_bandwidth += stream->bandwidth;
1310 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1311 c->http_error = 200;
1313 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1314 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1315 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec.</p>\r\n",
1319 current_bandwidth, max_bandwidth);
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1322 /* prepare output buffer */
1323 c->buffer_ptr = c->buffer;
1325 c->state = HTTPSTATE_SEND_HEADER;
1329 if (redir_type != REDIR_NONE) {
1332 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1333 if (strncasecmp(p, "Host:", 5) == 0) {
1337 p = strchr(p, '\n');
1348 while (isspace(*hostinfo))
1351 eoh = strchr(hostinfo, '\n');
1353 if (eoh[-1] == '\r')
1356 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1357 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1358 hostbuf[eoh - hostinfo] = 0;
1360 c->http_error = 200;
1362 switch(redir_type) {
1364 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1365 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1366 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1367 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1368 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1369 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1370 hostbuf, filename, info);
1371 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1374 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1375 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1376 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1377 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1378 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1379 hostbuf, filename, info);
1382 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1383 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1384 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1385 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1386 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1387 hostbuf, filename, info);
1391 char hostname[256], *p;
1392 /* extract only hostname */
1393 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1394 p = strrchr(hostname, ':');
1397 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1398 /* XXX: incorrect mime type ? */
1399 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1400 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1401 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1402 hostname, ntohs(my_rtsp_addr.sin_port),
1409 int sdp_data_size, len;
1410 struct sockaddr_in my_addr;
1412 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1413 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1416 len = sizeof(my_addr);
1417 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1419 /* XXX: should use a dynamic buffer */
1420 sdp_data_size = prepare_sdp_description(stream,
1423 if (sdp_data_size > 0) {
1424 memcpy(q, sdp_data, sdp_data_size);
1436 /* prepare output buffer */
1437 c->buffer_ptr = c->buffer;
1439 c->state = HTTPSTATE_SEND_HEADER;
1445 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1449 stream->conns_served++;
1451 /* XXX: add there authenticate and IP match */
1454 /* if post, it means a feed is being sent */
1455 if (!stream->is_feed) {
1456 /* However it might be a status report from WMP! Lets log the data
1457 * as it might come in handy one day
1462 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1463 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1467 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1468 client_id = strtol(p + 18, 0, 10);
1469 p = strchr(p, '\n');
1477 char *eol = strchr(logline, '\n');
1482 if (eol[-1] == '\r')
1484 http_log("%.*s\n", (int) (eol - logline), logline);
1485 c->suppress_log = 1;
1490 http_log("\nGot request:\n%s\n", c->buffer);
1493 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1496 /* Now we have to find the client_id */
1497 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1498 if (wmpc->wmp_client_id == client_id)
1502 if (wmpc && modify_current_stream(wmpc, ratebuf))
1503 wmpc->switch_pending = 1;
1506 snprintf(msg, sizeof(msg), "POST command not handled");
1510 if (http_start_receive_data(c) < 0) {
1511 snprintf(msg, sizeof(msg), "could not open feed");
1515 c->state = HTTPSTATE_RECEIVE_DATA;
1520 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1521 http_log("\nGot request:\n%s\n", c->buffer);
1524 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1527 /* open input stream */
1528 if (open_input_stream(c, info) < 0) {
1529 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1533 /* prepare http header */
1535 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1536 mime_type = c->stream->fmt->mime_type;
1538 mime_type = "application/x-octet-stream";
1539 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1541 /* for asf, we need extra headers */
1542 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1543 /* Need to allocate a client id */
1545 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1547 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1549 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1550 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1552 /* prepare output buffer */
1554 c->buffer_ptr = c->buffer;
1556 c->state = HTTPSTATE_SEND_HEADER;
1559 c->http_error = 404;
1561 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1562 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1563 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1564 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1565 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1566 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1567 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1569 /* prepare output buffer */
1570 c->buffer_ptr = c->buffer;
1572 c->state = HTTPSTATE_SEND_HEADER;
1576 c->http_error = 200; /* horrible : we use this value to avoid
1577 going to the send data state */
1578 c->state = HTTPSTATE_SEND_HEADER;
1582 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1584 static const char *suffix = " kMGTP";
1587 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1589 url_fprintf(pb, "%"PRId64"%c", count, *s);
1592 static void compute_stats(HTTPContext *c)
1601 if (url_open_dyn_buf(&pb) < 0) {
1602 /* XXX: return an error ? */
1603 c->buffer_ptr = c->buffer;
1604 c->buffer_end = c->buffer;
1608 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1609 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1610 url_fprintf(pb, "Pragma: no-cache\r\n");
1611 url_fprintf(pb, "\r\n");
1613 url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
1614 if (c->stream->feed_filename)
1615 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1616 url_fprintf(pb, "</HEAD>\n<BODY>");
1617 url_fprintf(pb, "<H1>FFServer Status</H1>\n");
1619 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1620 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1621 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1622 stream = first_stream;
1623 while (stream != NULL) {
1624 char sfilename[1024];
1627 if (stream->feed != stream) {
1628 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1629 eosf = sfilename + strlen(sfilename);
1630 if (eosf - sfilename >= 4) {
1631 if (strcmp(eosf - 4, ".asf") == 0)
1632 strcpy(eosf - 4, ".asx");
1633 else if (strcmp(eosf - 3, ".rm") == 0)
1634 strcpy(eosf - 3, ".ram");
1635 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1636 /* generate a sample RTSP director if
1637 unicast. Generate an SDP redirector if
1639 eosf = strrchr(sfilename, '.');
1641 eosf = sfilename + strlen(sfilename);
1642 if (stream->is_multicast)
1643 strcpy(eosf, ".sdp");
1645 strcpy(eosf, ".rtsp");
1649 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1650 sfilename, stream->filename);
1651 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1652 stream->conns_served);
1653 fmt_bytecount(pb, stream->bytes_served);
1654 switch(stream->stream_type) {
1655 case STREAM_TYPE_LIVE:
1657 int audio_bit_rate = 0;
1658 int video_bit_rate = 0;
1659 const char *audio_codec_name = "";
1660 const char *video_codec_name = "";
1661 const char *audio_codec_name_extra = "";
1662 const char *video_codec_name_extra = "";
1664 for(i=0;i<stream->nb_streams;i++) {
1665 AVStream *st = stream->streams[i];
1666 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1667 switch(st->codec->codec_type) {
1668 case CODEC_TYPE_AUDIO:
1669 audio_bit_rate += st->codec->bit_rate;
1671 if (*audio_codec_name)
1672 audio_codec_name_extra = "...";
1673 audio_codec_name = codec->name;
1676 case CODEC_TYPE_VIDEO:
1677 video_bit_rate += st->codec->bit_rate;
1679 if (*video_codec_name)
1680 video_codec_name_extra = "...";
1681 video_codec_name = codec->name;
1684 case CODEC_TYPE_DATA:
1685 video_bit_rate += st->codec->bit_rate;
1691 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1694 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1695 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1697 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1699 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1700 url_fprintf(pb, "\n");
1704 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1708 stream = stream->next;
1710 url_fprintf(pb, "</TABLE>\n");
1712 stream = first_stream;
1713 while (stream != NULL) {
1714 if (stream->feed == stream) {
1715 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1717 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1719 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1724 /* This is somewhat linux specific I guess */
1725 snprintf(ps_cmd, sizeof(ps_cmd),
1726 "ps -o \"%%cpu,cputime\" --no-headers %d",
1729 pid_stat = popen(ps_cmd, "r");
1734 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1736 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1744 url_fprintf(pb, "<p>");
1746 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1748 for (i = 0; i < stream->nb_streams; i++) {
1749 AVStream *st = stream->streams[i];
1750 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1751 const char *type = "unknown";
1752 char parameters[64];
1756 switch(st->codec->codec_type) {
1757 case CODEC_TYPE_AUDIO:
1759 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1761 case CODEC_TYPE_VIDEO:
1763 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1764 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1769 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1770 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1772 url_fprintf(pb, "</table>\n");
1775 stream = stream->next;
1781 AVCodecContext *enc;
1785 stream = first_feed;
1786 while (stream != NULL) {
1787 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1788 url_fprintf(pb, "<TABLE>\n");
1789 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1790 for(i=0;i<stream->nb_streams;i++) {
1791 AVStream *st = stream->streams[i];
1792 FeedData *fdata = st->priv_data;
1795 avcodec_string(buf, sizeof(buf), enc);
1796 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1797 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1798 avg /= enc->frame_size;
1799 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1800 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1802 url_fprintf(pb, "</TABLE>\n");
1803 stream = stream->next_feed;
1808 /* connection status */
1809 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1811 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1812 nb_connections, nb_max_connections);
1814 url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
1815 current_bandwidth, max_bandwidth);
1817 url_fprintf(pb, "<TABLE>\n");
1818 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1819 c1 = first_http_ctx;
1821 while (c1 != NULL) {
1827 for (j = 0; j < c1->stream->nb_streams; j++) {
1828 if (!c1->stream->feed)
1829 bitrate += c1->stream->streams[j]->codec->bit_rate;
1830 else if (c1->feed_streams[j] >= 0)
1831 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1836 p = inet_ntoa(c1->from_addr.sin_addr);
1837 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1839 c1->stream ? c1->stream->filename : "",
1840 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1843 http_state[c1->state]);
1844 fmt_bytecount(pb, bitrate);
1845 url_fprintf(pb, "<td align=right>");
1846 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1847 url_fprintf(pb, "<td align=right>");
1848 fmt_bytecount(pb, c1->data_count);
1849 url_fprintf(pb, "\n");
1852 url_fprintf(pb, "</TABLE>\n");
1857 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1858 url_fprintf(pb, "</BODY>\n</HTML>\n");
1860 len = url_close_dyn_buf(pb, &c->pb_buffer);
1861 c->buffer_ptr = c->pb_buffer;
1862 c->buffer_end = c->pb_buffer + len;
1865 /* check if the parser needs to be opened for stream i */
1866 static void open_parser(AVFormatContext *s, int i)
1868 AVStream *st = s->streams[i];
1871 if (!st->codec->codec) {
1872 codec = avcodec_find_decoder(st->codec->codec_id);
1873 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1874 st->codec->parse_only = 1;
1875 if (avcodec_open(st->codec, codec) < 0)
1876 st->codec->parse_only = 0;
1881 static int open_input_stream(HTTPContext *c, const char *info)
1884 char input_filename[1024];
1886 int buf_size, i, ret;
1889 /* find file name */
1890 if (c->stream->feed) {
1891 strcpy(input_filename, c->stream->feed->feed_filename);
1892 buf_size = FFM_PACKET_SIZE;
1893 /* compute position (absolute time) */
1894 if (find_info_tag(buf, sizeof(buf), "date", info))
1896 stream_pos = parse_date(buf, 0);
1897 if (stream_pos == INT64_MIN)
1900 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1901 int prebuffer = strtol(buf, 0, 10);
1902 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1904 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1906 strcpy(input_filename, c->stream->feed_filename);
1908 /* compute position (relative time) */
1909 if (find_info_tag(buf, sizeof(buf), "date", info))
1911 stream_pos = parse_date(buf, 1);
1912 if (stream_pos == INT64_MIN)
1918 if (input_filename[0] == '\0')
1922 { time_t when = stream_pos / 1000000;
1923 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1928 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1929 buf_size, c->stream->ap_in)) < 0) {
1930 http_log("could not open %s: %d\n", input_filename, ret);
1933 s->flags |= AVFMT_FLAG_GENPTS;
1935 av_find_stream_info(c->fmt_in);
1937 /* open each parser */
1938 for(i=0;i<s->nb_streams;i++)
1941 /* choose stream as clock source (we favorize video stream if
1942 present) for packet sending */
1943 c->pts_stream_index = 0;
1944 for(i=0;i<c->stream->nb_streams;i++) {
1945 if (c->pts_stream_index == 0 &&
1946 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1947 c->pts_stream_index = i;
1952 if (c->fmt_in->iformat->read_seek)
1953 c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
1955 /* set the start time (needed for maxtime and RTP packet timing) */
1956 c->start_time = cur_time;
1957 c->first_pts = AV_NOPTS_VALUE;
1961 /* return the server clock (in us) */
1962 static int64_t get_server_clock(HTTPContext *c)
1964 /* compute current pts value from system time */
1965 return (cur_time - c->start_time) * 1000;
1968 /* return the estimated time at which the current packet must be sent
1970 static int64_t get_packet_send_clock(HTTPContext *c)
1972 int bytes_left, bytes_sent, frame_bytes;
1974 frame_bytes = c->cur_frame_bytes;
1975 if (frame_bytes <= 0)
1978 bytes_left = c->buffer_end - c->buffer_ptr;
1979 bytes_sent = frame_bytes - bytes_left;
1980 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
1985 static int http_prepare_data(HTTPContext *c)
1988 AVFormatContext *ctx;
1990 av_freep(&c->pb_buffer);
1992 case HTTPSTATE_SEND_DATA_HEADER:
1993 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
1994 av_strlcpy(c->fmt_ctx.author, c->stream->author,
1995 sizeof(c->fmt_ctx.author));
1996 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
1997 sizeof(c->fmt_ctx.comment));
1998 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
1999 sizeof(c->fmt_ctx.copyright));
2000 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2001 sizeof(c->fmt_ctx.title));
2003 /* open output stream by using specified codecs */
2004 c->fmt_ctx.oformat = c->stream->fmt;
2005 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2006 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2009 st = av_mallocz(sizeof(AVStream));
2010 st->codec= avcodec_alloc_context();
2011 c->fmt_ctx.streams[i] = st;
2012 /* if file or feed, then just take streams from FFStream struct */
2013 if (!c->stream->feed ||
2014 c->stream->feed == c->stream)
2015 src = c->stream->streams[i];
2017 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2021 st->codec->frame_number = 0; /* XXX: should be done in
2022 AVStream, not in codec */
2024 c->got_key_frame = 0;
2026 /* prepare header and save header data in a stream */
2027 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2028 /* XXX: potential leak */
2031 c->fmt_ctx.pb->is_streamed = 1;
2033 av_set_parameters(&c->fmt_ctx, NULL);
2034 if (av_write_header(&c->fmt_ctx) < 0) {
2035 http_log("Error writing output header\n");
2039 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2040 c->buffer_ptr = c->pb_buffer;
2041 c->buffer_end = c->pb_buffer + len;
2043 c->state = HTTPSTATE_SEND_DATA;
2044 c->last_packet_sent = 0;
2046 case HTTPSTATE_SEND_DATA:
2047 /* find a new packet */
2048 /* read a packet from the input stream */
2049 if (c->stream->feed)
2050 ffm_set_write_index(c->fmt_in,
2051 c->stream->feed->feed_write_index,
2052 c->stream->feed->feed_size);
2054 if (c->stream->max_time &&
2055 c->stream->max_time + c->start_time - cur_time < 0)
2056 /* We have timed out */
2057 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2061 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2062 if (c->stream->feed && c->stream->feed->feed_opened) {
2063 /* if coming from feed, it means we reached the end of the
2064 ffm file, so must wait for more data */
2065 c->state = HTTPSTATE_WAIT_FEED;
2066 return 1; /* state changed */
2068 if (c->stream->loop) {
2069 av_close_input_file(c->fmt_in);
2071 if (open_input_stream(c, "") < 0)
2076 /* must send trailer now because eof or error */
2077 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2081 /* update first pts if needed */
2082 if (c->first_pts == AV_NOPTS_VALUE) {
2083 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2084 c->start_time = cur_time;
2086 /* send it to the appropriate stream */
2087 if (c->stream->feed) {
2088 /* if coming from a feed, select the right stream */
2089 if (c->switch_pending) {
2090 c->switch_pending = 0;
2091 for(i=0;i<c->stream->nb_streams;i++) {
2092 if (c->switch_feed_streams[i] == pkt.stream_index)
2093 if (pkt.flags & PKT_FLAG_KEY)
2094 do_switch_stream(c, i);
2095 if (c->switch_feed_streams[i] >= 0)
2096 c->switch_pending = 1;
2099 for(i=0;i<c->stream->nb_streams;i++) {
2100 if (c->feed_streams[i] == pkt.stream_index) {
2101 pkt.stream_index = i;
2102 if (pkt.flags & PKT_FLAG_KEY)
2103 c->got_key_frame |= 1 << i;
2104 /* See if we have all the key frames, then
2105 * we start to send. This logic is not quite
2106 * right, but it works for the case of a
2107 * single video stream with one or more
2108 * audio streams (for which every frame is
2109 * typically a key frame).
2111 if (!c->stream->send_on_key ||
2112 ((c->got_key_frame + 1) >> c->stream->nb_streams))
2117 AVCodecContext *codec;
2120 /* specific handling for RTP: we use several
2121 output stream (one for each RTP
2122 connection). XXX: need more abstract handling */
2123 if (c->is_packetized) {
2125 /* compute send time and duration */
2126 st = c->fmt_in->streams[pkt.stream_index];
2127 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2128 if (st->start_time != AV_NOPTS_VALUE)
2129 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2130 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2132 printf("index=%d pts=%0.3f duration=%0.6f\n",
2134 (double)c->cur_pts /
2136 (double)c->cur_frame_duration /
2139 /* find RTP context */
2140 c->packet_stream_index = pkt.stream_index;
2141 ctx = c->rtp_ctx[c->packet_stream_index];
2143 av_free_packet(&pkt);
2146 codec = ctx->streams[0]->codec;
2147 /* only one stream per RTP connection */
2148 pkt.stream_index = 0;
2152 codec = ctx->streams[pkt.stream_index]->codec;
2155 if (c->is_packetized) {
2156 int max_packet_size;
2157 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2158 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2160 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2161 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2163 ret = url_open_dyn_buf(&ctx->pb);
2166 /* XXX: potential leak */
2169 c->fmt_ctx.pb->is_streamed = 1;
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);
2197 case HTTPSTATE_SEND_DATA_TRAILER:
2198 /* last packet test ? */
2199 if (c->last_packet_sent || c->is_packetized)
2202 /* prepare header */
2203 if (url_open_dyn_buf(&ctx->pb) < 0) {
2204 /* XXX: potential leak */
2207 c->fmt_ctx.pb->is_streamed = 1;
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);
2355 http_log("Error opening feeder file: %s\n", strerror(errno));
2360 c->stream->feed_write_index = ffm_read_write_index(fd);
2361 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2362 lseek(fd, 0, SEEK_SET);
2364 /* init buffer input */
2365 c->buffer_ptr = c->buffer;
2366 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2367 c->stream->feed_opened = 1;
2371 static int http_receive_data(HTTPContext *c)
2375 if (c->buffer_end > c->buffer_ptr) {
2378 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2380 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2381 ff_neterrno() != FF_NETERROR(EINTR))
2382 /* error : close connection */
2384 } else if (len == 0)
2385 /* end of connection : close it */
2388 c->buffer_ptr += len;
2389 c->data_count += len;
2390 update_datarate(&c->datarate, c->data_count);
2394 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2395 if (c->buffer[0] != 'f' ||
2396 c->buffer[1] != 'm') {
2397 http_log("Feed stream has become desynchronized -- disconnecting\n");
2402 if (c->buffer_ptr >= c->buffer_end) {
2403 FFStream *feed = c->stream;
2404 /* a packet has been received : write it in the store, except
2406 if (c->data_count > FFM_PACKET_SIZE) {
2408 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2409 /* XXX: use llseek or url_seek */
2410 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2411 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2412 http_log("Error writing to feed file: %s\n", strerror(errno));
2416 feed->feed_write_index += FFM_PACKET_SIZE;
2417 /* update file size */
2418 if (feed->feed_write_index > c->stream->feed_size)
2419 feed->feed_size = feed->feed_write_index;
2421 /* handle wrap around if max file size reached */
2422 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2423 feed->feed_write_index = FFM_PACKET_SIZE;
2426 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2428 /* wake up any waiting connections */
2429 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2430 if (c1->state == HTTPSTATE_WAIT_FEED &&
2431 c1->stream->feed == c->stream->feed)
2432 c1->state = HTTPSTATE_SEND_DATA;
2435 /* We have a header in our hands that contains useful data */
2437 AVInputFormat *fmt_in;
2440 memset(&s, 0, sizeof(s));
2442 url_open_buf(&s.pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2443 s.pb->is_streamed = 1;
2445 /* use feed output format name to find corresponding input format */
2446 fmt_in = av_find_input_format(feed->fmt->name);
2450 if (fmt_in->priv_data_size > 0) {
2451 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2457 if (fmt_in->read_header(&s, 0) < 0) {
2458 av_freep(&s.priv_data);
2462 /* Now we have the actual streams */
2463 if (s.nb_streams != feed->nb_streams) {
2464 av_freep(&s.priv_data);
2467 for (i = 0; i < s.nb_streams; i++)
2468 memcpy(feed->streams[i]->codec,
2469 s.streams[i]->codec, sizeof(AVCodecContext));
2470 av_freep(&s.priv_data);
2472 c->buffer_ptr = c->buffer;
2477 c->stream->feed_opened = 0;
2482 /********************************************************************/
2485 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2492 switch(error_number) {
2493 case RTSP_STATUS_OK:
2496 case RTSP_STATUS_METHOD:
2497 str = "Method Not Allowed";
2499 case RTSP_STATUS_BANDWIDTH:
2500 str = "Not Enough Bandwidth";
2502 case RTSP_STATUS_SESSION:
2503 str = "Session Not Found";
2505 case RTSP_STATUS_STATE:
2506 str = "Method Not Valid in This State";
2508 case RTSP_STATUS_AGGREGATE:
2509 str = "Aggregate operation not allowed";
2511 case RTSP_STATUS_ONLY_AGGREGATE:
2512 str = "Only aggregate operation allowed";
2514 case RTSP_STATUS_TRANSPORT:
2515 str = "Unsupported transport";
2517 case RTSP_STATUS_INTERNAL:
2518 str = "Internal Server Error";
2520 case RTSP_STATUS_SERVICE:
2521 str = "Service Unavailable";
2523 case RTSP_STATUS_VERSION:
2524 str = "RTSP Version not supported";
2527 str = "Unknown Error";
2531 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2532 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2534 /* output GMT time */
2538 p = buf2 + strlen(p) - 1;
2541 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2544 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2546 rtsp_reply_header(c, error_number);
2547 url_fprintf(c->pb, "\r\n");
2550 static int rtsp_parse_request(HTTPContext *c)
2552 const char *p, *p1, *p2;
2558 RTSPHeader header1, *header = &header1;
2560 c->buffer_ptr[0] = '\0';
2563 get_word(cmd, sizeof(cmd), &p);
2564 get_word(url, sizeof(url), &p);
2565 get_word(protocol, sizeof(protocol), &p);
2567 av_strlcpy(c->method, cmd, sizeof(c->method));
2568 av_strlcpy(c->url, url, sizeof(c->url));
2569 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2571 if (url_open_dyn_buf(&c->pb) < 0) {
2572 /* XXX: cannot do more */
2573 c->pb = NULL; /* safety */
2577 /* check version name */
2578 if (strcmp(protocol, "RTSP/1.0") != 0) {
2579 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2583 /* parse each header line */
2584 memset(header, 0, sizeof(RTSPHeader));
2585 /* skip to next line */
2586 while (*p != '\n' && *p != '\0')
2590 while (*p != '\0') {
2591 p1 = strchr(p, '\n');
2595 if (p2 > p && p2[-1] == '\r')
2597 /* skip empty line */
2601 if (len > sizeof(line) - 1)
2602 len = sizeof(line) - 1;
2603 memcpy(line, p, len);
2605 rtsp_parse_line(header, line);
2609 /* handle sequence number */
2610 c->seq = header->seq;
2612 if (!strcmp(cmd, "DESCRIBE"))
2613 rtsp_cmd_describe(c, url);
2614 else if (!strcmp(cmd, "OPTIONS"))
2615 rtsp_cmd_options(c, url);
2616 else if (!strcmp(cmd, "SETUP"))
2617 rtsp_cmd_setup(c, url, header);
2618 else if (!strcmp(cmd, "PLAY"))
2619 rtsp_cmd_play(c, url, header);
2620 else if (!strcmp(cmd, "PAUSE"))
2621 rtsp_cmd_pause(c, url, header);
2622 else if (!strcmp(cmd, "TEARDOWN"))
2623 rtsp_cmd_teardown(c, url, header);
2625 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2628 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2629 c->pb = NULL; /* safety */
2631 /* XXX: cannot do more */
2634 c->buffer_ptr = c->pb_buffer;
2635 c->buffer_end = c->pb_buffer + len;
2636 c->state = RTSPSTATE_SEND_REPLY;
2640 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2641 struct in_addr my_ip)
2643 AVFormatContext *avc;
2644 AVStream avs[MAX_STREAMS];
2647 avc = av_alloc_format_context();
2651 if (stream->title[0] != 0) {
2652 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2654 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2656 avc->nb_streams = stream->nb_streams;
2657 if (stream->is_multicast) {
2658 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2659 inet_ntoa(stream->multicast_ip),
2660 stream->multicast_port, stream->multicast_ttl);
2663 for(i = 0; i < stream->nb_streams; i++) {
2664 avc->streams[i] = &avs[i];
2665 avc->streams[i]->codec = stream->streams[i]->codec;
2667 *pbuffer = av_mallocz(2048);
2668 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2671 return strlen(*pbuffer);
2674 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2676 // rtsp_reply_header(c, RTSP_STATUS_OK);
2677 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2678 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2679 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2680 url_fprintf(c->pb, "\r\n");
2683 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2689 int content_length, len;
2690 struct sockaddr_in my_addr;
2692 /* find which url is asked */
2693 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2698 for(stream = first_stream; stream != NULL; stream = stream->next) {
2699 if (!stream->is_feed &&
2700 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2701 !strcmp(path, stream->filename)) {
2705 /* no stream found */
2706 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2710 /* prepare the media description in sdp format */
2712 /* get the host IP */
2713 len = sizeof(my_addr);
2714 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2715 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2716 if (content_length < 0) {
2717 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2720 rtsp_reply_header(c, RTSP_STATUS_OK);
2721 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2722 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2723 url_fprintf(c->pb, "\r\n");
2724 put_buffer(c->pb, content, content_length);
2727 static HTTPContext *find_rtp_session(const char *session_id)
2731 if (session_id[0] == '\0')
2734 for(c = first_http_ctx; c != NULL; c = c->next) {
2735 if (!strcmp(c->session_id, session_id))
2741 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2743 RTSPTransportField *th;
2746 for(i=0;i<h->nb_transports;i++) {
2747 th = &h->transports[i];
2748 if (th->protocol == protocol)
2754 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2758 int stream_index, port;
2763 RTSPTransportField *th;
2764 struct sockaddr_in dest_addr;
2765 RTSPActionServerSetup setup;
2767 /* find which url is asked */
2768 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2773 /* now check each stream */
2774 for(stream = first_stream; stream != NULL; stream = stream->next) {
2775 if (!stream->is_feed &&
2776 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2777 /* accept aggregate filenames only if single stream */
2778 if (!strcmp(path, stream->filename)) {
2779 if (stream->nb_streams != 1) {
2780 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2787 for(stream_index = 0; stream_index < stream->nb_streams;
2789 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2790 stream->filename, stream_index);
2791 if (!strcmp(path, buf))
2796 /* no stream found */
2797 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2801 /* generate session id if needed */
2802 if (h->session_id[0] == '\0')
2803 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2804 av_random(&random_state), av_random(&random_state));
2806 /* find rtp session, and create it if none found */
2807 rtp_c = find_rtp_session(h->session_id);
2809 /* always prefer UDP */
2810 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2812 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2814 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2819 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2822 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2826 /* open input stream */
2827 if (open_input_stream(rtp_c, "") < 0) {
2828 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2833 /* test if stream is OK (test needed because several SETUP needs
2834 to be done for a given file) */
2835 if (rtp_c->stream != stream) {
2836 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2840 /* test if stream is already set up */
2841 if (rtp_c->rtp_ctx[stream_index]) {
2842 rtsp_reply_error(c, RTSP_STATUS_STATE);
2846 /* check transport */
2847 th = find_transport(h, rtp_c->rtp_protocol);
2848 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2849 th->client_port_min <= 0)) {
2850 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2854 /* setup default options */
2855 setup.transport_option[0] = '\0';
2856 dest_addr = rtp_c->from_addr;
2857 dest_addr.sin_port = htons(th->client_port_min);
2860 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2861 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2865 /* now everything is OK, so we can send the connection parameters */
2866 rtsp_reply_header(c, RTSP_STATUS_OK);
2868 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2870 switch(rtp_c->rtp_protocol) {
2871 case RTSP_PROTOCOL_RTP_UDP:
2872 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2873 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2874 "client_port=%d-%d;server_port=%d-%d",
2875 th->client_port_min, th->client_port_min + 1,
2878 case RTSP_PROTOCOL_RTP_TCP:
2879 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2880 stream_index * 2, stream_index * 2 + 1);
2885 if (setup.transport_option[0] != '\0')
2886 url_fprintf(c->pb, ";%s", setup.transport_option);
2887 url_fprintf(c->pb, "\r\n");
2890 url_fprintf(c->pb, "\r\n");
2894 /* find an rtp connection by using the session ID. Check consistency
2896 static HTTPContext *find_rtp_session_with_url(const char *url,
2897 const char *session_id)
2905 rtp_c = find_rtp_session(session_id);
2909 /* find which url is asked */
2910 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2914 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2915 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2916 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2917 rtp_c->stream->filename, s);
2918 if(!strncmp(path, buf, sizeof(buf))) {
2919 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2926 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2930 rtp_c = find_rtp_session_with_url(url, h->session_id);
2932 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2936 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2937 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2938 rtp_c->state != HTTPSTATE_READY) {
2939 rtsp_reply_error(c, RTSP_STATUS_STATE);
2944 /* XXX: seek in stream */
2945 if (h->range_start != AV_NOPTS_VALUE) {
2946 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2947 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2951 rtp_c->state = HTTPSTATE_SEND_DATA;
2953 /* now everything is OK, so we can send the connection parameters */
2954 rtsp_reply_header(c, RTSP_STATUS_OK);
2956 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2957 url_fprintf(c->pb, "\r\n");
2960 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
2964 rtp_c = find_rtp_session_with_url(url, h->session_id);
2966 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2970 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2971 rtp_c->state != HTTPSTATE_WAIT_FEED) {
2972 rtsp_reply_error(c, RTSP_STATUS_STATE);
2976 rtp_c->state = HTTPSTATE_READY;
2977 rtp_c->first_pts = AV_NOPTS_VALUE;
2978 /* now everything is OK, so we can send the connection parameters */
2979 rtsp_reply_header(c, RTSP_STATUS_OK);
2981 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2982 url_fprintf(c->pb, "\r\n");
2985 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
2988 char session_id[32];
2990 rtp_c = find_rtp_session_with_url(url, h->session_id);
2992 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2996 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
2998 /* abort the session */
2999 close_connection(rtp_c);
3001 /* now everything is OK, so we can send the connection parameters */
3002 rtsp_reply_header(c, RTSP_STATUS_OK);
3004 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3005 url_fprintf(c->pb, "\r\n");
3009 /********************************************************************/
3012 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3013 FFStream *stream, const char *session_id,
3014 enum RTSPProtocol rtp_protocol)
3016 HTTPContext *c = NULL;
3017 const char *proto_str;
3019 /* XXX: should output a warning page when coming
3020 close to the connection limit */
3021 if (nb_connections >= nb_max_connections)
3024 /* add a new connection */
3025 c = av_mallocz(sizeof(HTTPContext));
3030 c->poll_entry = NULL;
3031 c->from_addr = *from_addr;
3032 c->buffer_size = IOBUFFER_INIT_SIZE;
3033 c->buffer = av_malloc(c->buffer_size);
3038 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3039 c->state = HTTPSTATE_READY;
3040 c->is_packetized = 1;
3041 c->rtp_protocol = rtp_protocol;
3043 /* protocol is shown in statistics */
3044 switch(c->rtp_protocol) {
3045 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3046 proto_str = "MCAST";
3048 case RTSP_PROTOCOL_RTP_UDP:
3051 case RTSP_PROTOCOL_RTP_TCP:
3058 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3059 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3061 current_bandwidth += stream->bandwidth;
3063 c->next = first_http_ctx;
3075 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3076 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3078 static int rtp_new_av_stream(HTTPContext *c,
3079 int stream_index, struct sockaddr_in *dest_addr,
3080 HTTPContext *rtsp_c)
3082 AVFormatContext *ctx;
3085 URLContext *h = NULL;
3088 int max_packet_size;
3090 /* now we can open the relevant output stream */
3091 ctx = av_alloc_format_context();
3094 ctx->oformat = guess_format("rtp", NULL, NULL);
3096 st = av_mallocz(sizeof(AVStream));
3099 st->codec= avcodec_alloc_context();
3100 ctx->nb_streams = 1;
3101 ctx->streams[0] = st;
3103 if (!c->stream->feed ||
3104 c->stream->feed == c->stream)
3105 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3108 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3110 st->priv_data = NULL;
3112 /* build destination RTP address */
3113 ipaddr = inet_ntoa(dest_addr->sin_addr);
3115 switch(c->rtp_protocol) {
3116 case RTSP_PROTOCOL_RTP_UDP:
3117 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3120 /* XXX: also pass as parameter to function ? */
3121 if (c->stream->is_multicast) {
3123 ttl = c->stream->multicast_ttl;
3126 snprintf(ctx->filename, sizeof(ctx->filename),
3127 "rtp://%s:%d?multicast=1&ttl=%d",
3128 ipaddr, ntohs(dest_addr->sin_port), ttl);
3130 snprintf(ctx->filename, sizeof(ctx->filename),
3131 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3134 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3136 c->rtp_handles[stream_index] = h;
3137 max_packet_size = url_get_max_packet_size(h);
3139 case RTSP_PROTOCOL_RTP_TCP:
3142 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3148 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3149 ipaddr, ntohs(dest_addr->sin_port),
3151 c->stream->filename, stream_index, c->protocol);
3153 /* normally, no packets should be output here, but the packet size may be checked */
3154 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3155 /* XXX: close stream */
3158 av_set_parameters(ctx, NULL);
3159 if (av_write_header(ctx) < 0) {
3166 url_close_dyn_buf(ctx->pb, &dummy_buf);
3169 c->rtp_ctx[stream_index] = ctx;
3173 /********************************************************************/
3174 /* ffserver initialization */
3176 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3180 fst = av_mallocz(sizeof(AVStream));
3183 fst->codec= avcodec_alloc_context();
3184 fst->priv_data = av_mallocz(sizeof(FeedData));
3185 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3186 fst->index = stream->nb_streams;
3187 av_set_pts_info(fst, 33, 1, 90000);
3188 stream->streams[stream->nb_streams++] = fst;
3192 /* return the stream number in the feed */
3193 static int add_av_stream(FFStream *feed, AVStream *st)
3196 AVCodecContext *av, *av1;
3200 for(i=0;i<feed->nb_streams;i++) {
3201 st = feed->streams[i];
3203 if (av1->codec_id == av->codec_id &&
3204 av1->codec_type == av->codec_type &&
3205 av1->bit_rate == av->bit_rate) {
3207 switch(av->codec_type) {
3208 case CODEC_TYPE_AUDIO:
3209 if (av1->channels == av->channels &&
3210 av1->sample_rate == av->sample_rate)
3213 case CODEC_TYPE_VIDEO:
3214 if (av1->width == av->width &&
3215 av1->height == av->height &&
3216 av1->time_base.den == av->time_base.den &&
3217 av1->time_base.num == av->time_base.num &&
3218 av1->gop_size == av->gop_size)
3227 fst = add_av_stream1(feed, av);
3230 return feed->nb_streams - 1;
3235 static void remove_stream(FFStream *stream)
3239 while (*ps != NULL) {
3247 /* specific mpeg4 handling : we extract the raw parameters */
3248 static void extract_mpeg4_header(AVFormatContext *infile)
3250 int mpeg4_count, i, size;
3256 for(i=0;i<infile->nb_streams;i++) {
3257 st = infile->streams[i];
3258 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3259 st->codec->extradata_size == 0) {
3266 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3267 while (mpeg4_count > 0) {
3268 if (av_read_packet(infile, &pkt) < 0)
3270 st = infile->streams[pkt.stream_index];
3271 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3272 st->codec->extradata_size == 0) {
3273 av_freep(&st->codec->extradata);
3274 /* fill extradata with the header */
3275 /* XXX: we make hard suppositions here ! */
3277 while (p < pkt.data + pkt.size - 4) {
3278 /* stop when vop header is found */
3279 if (p[0] == 0x00 && p[1] == 0x00 &&
3280 p[2] == 0x01 && p[3] == 0xb6) {
3281 size = p - pkt.data;
3282 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3283 st->codec->extradata = av_malloc(size);
3284 st->codec->extradata_size = size;
3285 memcpy(st->codec->extradata, pkt.data, size);
3292 av_free_packet(&pkt);
3296 /* compute the needed AVStream for each file */
3297 static void build_file_streams(void)
3299 FFStream *stream, *stream_next;
3300 AVFormatContext *infile;
3303 /* gather all streams */
3304 for(stream = first_stream; stream != NULL; stream = stream_next) {
3305 stream_next = stream->next;
3306 if (stream->stream_type == STREAM_TYPE_LIVE &&
3308 /* the stream comes from a file */
3309 /* try to open the file */
3311 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3312 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3313 /* specific case : if transport stream output to RTP,
3314 we use a raw transport stream reader */
3315 stream->ap_in->mpeg2ts_raw = 1;
3316 stream->ap_in->mpeg2ts_compute_pcr = 1;
3319 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3320 stream->ifmt, 0, stream->ap_in)) < 0) {
3321 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3322 /* remove stream (no need to spend more time on it) */
3324 remove_stream(stream);
3326 /* find all the AVStreams inside and reference them in
3328 if (av_find_stream_info(infile) < 0) {
3329 http_log("Could not find codec parameters from '%s'",
3330 stream->feed_filename);
3331 av_close_input_file(infile);
3334 extract_mpeg4_header(infile);
3336 for(i=0;i<infile->nb_streams;i++)
3337 add_av_stream1(stream, infile->streams[i]->codec);
3339 av_close_input_file(infile);
3345 /* compute the needed AVStream for each feed */
3346 static void build_feed_streams(void)
3348 FFStream *stream, *feed;
3351 /* gather all streams */
3352 for(stream = first_stream; stream != NULL; stream = stream->next) {
3353 feed = stream->feed;
3355 if (!stream->is_feed) {
3356 /* we handle a stream coming from a feed */
3357 for(i=0;i<stream->nb_streams;i++)
3358 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3363 /* gather all streams */
3364 for(stream = first_stream; stream != NULL; stream = stream->next) {
3365 feed = stream->feed;
3367 if (stream->is_feed) {
3368 for(i=0;i<stream->nb_streams;i++)
3369 stream->feed_streams[i] = i;
3374 /* create feed files if needed */
3375 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3378 if (url_exist(feed->feed_filename)) {
3379 /* See if it matches */
3383 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3384 /* Now see if it matches */
3385 if (s->nb_streams == feed->nb_streams) {
3387 for(i=0;i<s->nb_streams;i++) {
3389 sf = feed->streams[i];
3392 if (sf->index != ss->index ||
3394 printf("Index & Id do not match for stream %d (%s)\n",
3395 i, feed->feed_filename);
3398 AVCodecContext *ccf, *ccs;
3402 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3404 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3405 printf("Codecs do not match for stream %d\n", i);
3407 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3408 printf("Codec bitrates do not match for stream %d\n", i);
3410 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3411 if (CHECK_CODEC(time_base.den) ||
3412 CHECK_CODEC(time_base.num) ||
3413 CHECK_CODEC(width) ||
3414 CHECK_CODEC(height)) {
3415 printf("Codec width, height and framerate do not match for stream %d\n", i);
3418 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3419 if (CHECK_CODEC(sample_rate) ||
3420 CHECK_CODEC(channels) ||
3421 CHECK_CODEC(frame_size)) {
3422 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3426 printf("Unknown codec type\n");
3434 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3435 feed->feed_filename, s->nb_streams, feed->nb_streams);
3437 av_close_input_file(s);
3439 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3440 feed->feed_filename);
3443 if (feed->readonly) {
3444 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3445 feed->feed_filename);
3448 unlink(feed->feed_filename);
3451 if (!url_exist(feed->feed_filename)) {
3452 AVFormatContext s1, *s = &s1;
3454 if (feed->readonly) {
3455 printf("Unable to create feed file '%s' as it is marked readonly\n",
3456 feed->feed_filename);
3460 /* only write the header of the ffm file */
3461 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3462 fprintf(stderr, "Could not open output feed file '%s'\n",
3463 feed->feed_filename);
3466 s->oformat = feed->fmt;
3467 s->nb_streams = feed->nb_streams;
3468 for(i=0;i<s->nb_streams;i++) {
3470 st = feed->streams[i];
3473 av_set_parameters(s, NULL);
3474 if (av_write_header(s) < 0) {
3475 fprintf(stderr, "Container doesn't supports the required parameters\n");
3478 /* XXX: need better api */
3479 av_freep(&s->priv_data);
3482 /* get feed size and write index */
3483 fd = open(feed->feed_filename, O_RDONLY);
3485 fprintf(stderr, "Could not open output feed file '%s'\n",
3486 feed->feed_filename);
3490 feed->feed_write_index = ffm_read_write_index(fd);
3491 feed->feed_size = lseek(fd, 0, SEEK_END);
3492 /* ensure that we do not wrap before the end of file */
3493 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3494 feed->feed_max_size = feed->feed_size;
3500 /* compute the bandwidth used by each stream */
3501 static void compute_bandwidth(void)
3506 for(stream = first_stream; stream != NULL; stream = stream->next) {
3508 for(i=0;i<stream->nb_streams;i++) {
3509 AVStream *st = stream->streams[i];
3510 switch(st->codec->codec_type) {
3511 case CODEC_TYPE_AUDIO:
3512 case CODEC_TYPE_VIDEO:
3513 bandwidth += st->codec->bit_rate;
3519 stream->bandwidth = (bandwidth + 999) / 1000;
3523 static void get_arg(char *buf, int buf_size, const char **pp)
3530 while (isspace(*p)) p++;
3533 if (*p == '\"' || *p == '\'')
3545 if ((q - buf) < buf_size - 1)
3550 if (quote && *p == quote)
3555 /* add a codec and set the default parameters */
3556 static void add_codec(FFStream *stream, AVCodecContext *av)
3560 /* compute default parameters */
3561 switch(av->codec_type) {
3562 case CODEC_TYPE_AUDIO:
3563 if (av->bit_rate == 0)
3564 av->bit_rate = 64000;
3565 if (av->sample_rate == 0)
3566 av->sample_rate = 22050;
3567 if (av->channels == 0)
3570 case CODEC_TYPE_VIDEO:
3571 if (av->bit_rate == 0)
3572 av->bit_rate = 64000;
3573 if (av->time_base.num == 0){
3574 av->time_base.den = 5;
3575 av->time_base.num = 1;
3577 if (av->width == 0 || av->height == 0) {
3581 /* Bitrate tolerance is less for streaming */
3582 if (av->bit_rate_tolerance == 0)
3583 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3584 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3589 if (av->max_qdiff == 0)
3591 av->qcompress = 0.5;
3594 if (!av->nsse_weight)
3595 av->nsse_weight = 8;
3597 av->frame_skip_cmp = FF_CMP_DCTMAX;
3598 av->me_method = ME_EPZS;
3599 av->rc_buffer_aggressivity = 1.0;
3602 av->rc_eq = "tex^qComp";
3603 if (!av->i_quant_factor)
3604 av->i_quant_factor = -0.8;
3605 if (!av->b_quant_factor)
3606 av->b_quant_factor = 1.25;
3607 if (!av->b_quant_offset)
3608 av->b_quant_offset = 1.25;
3609 if (!av->rc_max_rate)
3610 av->rc_max_rate = av->bit_rate * 2;
3612 if (av->rc_max_rate && !av->rc_buffer_size) {
3613 av->rc_buffer_size = av->rc_max_rate;
3622 st = av_mallocz(sizeof(AVStream));
3625 st->codec = avcodec_alloc_context();
3626 stream->streams[stream->nb_streams++] = st;
3627 memcpy(st->codec, av, sizeof(AVCodecContext));
3630 static int opt_audio_codec(const char *arg)
3632 AVCodec *p= avcodec_find_encoder_by_name(arg);
3634 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3635 return CODEC_ID_NONE;
3640 static int opt_video_codec(const char *arg)
3642 AVCodec *p= avcodec_find_encoder_by_name(arg);
3644 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3645 return CODEC_ID_NONE;
3650 /* simplistic plugin support */
3653 static void load_module(const char *filename)
3656 void (*init_func)(void);
3657 dll = dlopen(filename, RTLD_NOW);
3659 fprintf(stderr, "Could not load module '%s' - %s\n",
3660 filename, dlerror());
3664 init_func = dlsym(dll, "ffserver_module_init");
3667 "%s: init function 'ffserver_module_init()' not found\n",
3676 static int parse_ffconfig(const char *filename)
3683 int val, errors, line_num;
3684 FFStream **last_stream, *stream, *redirect;
3685 FFStream **last_feed, *feed;
3686 AVCodecContext audio_enc, video_enc;
3687 int audio_id, video_id;
3689 f = fopen(filename, "r");
3697 first_stream = NULL;
3698 last_stream = &first_stream;
3700 last_feed = &first_feed;
3704 audio_id = CODEC_ID_NONE;
3705 video_id = CODEC_ID_NONE;
3707 if (fgets(line, sizeof(line), f) == NULL)
3713 if (*p == '\0' || *p == '#')
3716 get_arg(cmd, sizeof(cmd), &p);
3718 if (!strcasecmp(cmd, "Port")) {
3719 get_arg(arg, sizeof(arg), &p);
3721 if (val < 1 || val > 65536) {
3722 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3723 filename, line_num, arg);
3726 my_http_addr.sin_port = htons(val);
3727 } else if (!strcasecmp(cmd, "BindAddress")) {
3728 get_arg(arg, sizeof(arg), &p);
3729 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3730 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3731 filename, line_num, arg);
3734 } else if (!strcasecmp(cmd, "NoDaemon")) {
3735 ffserver_daemon = 0;
3736 } else if (!strcasecmp(cmd, "RTSPPort")) {
3737 get_arg(arg, sizeof(arg), &p);
3739 if (val < 1 || val > 65536) {
3740 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3741 filename, line_num, arg);
3744 my_rtsp_addr.sin_port = htons(atoi(arg));
3745 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3746 get_arg(arg, sizeof(arg), &p);
3747 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3748 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3749 filename, line_num, arg);
3752 } else if (!strcasecmp(cmd, "MaxClients")) {
3753 get_arg(arg, sizeof(arg), &p);
3755 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3756 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3757 filename, line_num, arg);
3760 nb_max_connections = val;
3762 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3763 get_arg(arg, sizeof(arg), &p);
3765 if (val < 10 || val > 100000) {
3766 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3767 filename, line_num, arg);
3770 max_bandwidth = val;
3771 } else if (!strcasecmp(cmd, "CustomLog")) {
3772 get_arg(logfilename, sizeof(logfilename), &p);
3773 } else if (!strcasecmp(cmd, "<Feed")) {
3774 /*********************************************/
3775 /* Feed related options */
3777 if (stream || feed) {
3778 fprintf(stderr, "%s:%d: Already in a tag\n",
3779 filename, line_num);
3781 feed = av_mallocz(sizeof(FFStream));
3782 /* add in stream list */
3783 *last_stream = feed;
3784 last_stream = &feed->next;
3785 /* add in feed list */
3787 last_feed = &feed->next_feed;
3789 get_arg(feed->filename, sizeof(feed->filename), &p);
3790 q = strrchr(feed->filename, '>');
3793 feed->fmt = guess_format("ffm", NULL, NULL);
3794 /* defaut feed file */
3795 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3796 "/tmp/%s.ffm", feed->filename);
3797 feed->feed_max_size = 5 * 1024 * 1024;
3799 feed->feed = feed; /* self feeding :-) */
3801 } else if (!strcasecmp(cmd, "Launch")) {
3805 feed->child_argv = av_mallocz(64 * sizeof(char *));
3807 for (i = 0; i < 62; i++) {
3808 get_arg(arg, sizeof(arg), &p);
3812 feed->child_argv[i] = av_strdup(arg);
3815 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3817 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3819 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3820 inet_ntoa(my_http_addr.sin_addr),
3821 ntohs(my_http_addr.sin_port), feed->filename);
3826 fprintf(stdout, "Launch commandline: ");
3827 for (j = 0; j <= i; j++)
3828 fprintf(stdout, "%s ", feed->child_argv[j]);
3829 fprintf(stdout, "\n");
3832 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3834 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3836 } else if (stream) {
3837 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3839 } else if (!strcasecmp(cmd, "File")) {
3841 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3843 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3844 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3849 get_arg(arg, sizeof(arg), &p);
3851 fsize = strtod(p1, &p1);
3852 switch(toupper(*p1)) {
3857 fsize *= 1024 * 1024;
3860 fsize *= 1024 * 1024 * 1024;
3863 feed->feed_max_size = (int64_t)fsize;
3865 } else if (!strcasecmp(cmd, "</Feed>")) {
3867 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3868 filename, line_num);
3872 } else if (!strcasecmp(cmd, "<Stream")) {
3873 /*********************************************/
3874 /* Stream related options */
3876 if (stream || feed) {
3877 fprintf(stderr, "%s:%d: Already in a tag\n",
3878 filename, line_num);
3880 stream = av_mallocz(sizeof(FFStream));
3881 *last_stream = stream;
3882 last_stream = &stream->next;
3884 get_arg(stream->filename, sizeof(stream->filename), &p);
3885 q = strrchr(stream->filename, '>');
3888 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3889 memset(&audio_enc, 0, sizeof(AVCodecContext));
3890 memset(&video_enc, 0, sizeof(AVCodecContext));
3891 audio_id = CODEC_ID_NONE;
3892 video_id = CODEC_ID_NONE;
3894 audio_id = stream->fmt->audio_codec;
3895 video_id = stream->fmt->video_codec;
3898 } else if (!strcasecmp(cmd, "Feed")) {
3899 get_arg(arg, sizeof(arg), &p);
3904 while (sfeed != NULL) {
3905 if (!strcmp(sfeed->filename, arg))
3907 sfeed = sfeed->next_feed;
3910 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3911 filename, line_num, arg);
3913 stream->feed = sfeed;
3915 } else if (!strcasecmp(cmd, "Format")) {
3916 get_arg(arg, sizeof(arg), &p);
3918 if (!strcmp(arg, "status")) {
3919 stream->stream_type = STREAM_TYPE_STATUS;
3922 stream->stream_type = STREAM_TYPE_LIVE;
3923 /* jpeg cannot be used here, so use single frame jpeg */
3924 if (!strcmp(arg, "jpeg"))
3925 strcpy(arg, "mjpeg");
3926 stream->fmt = guess_stream_format(arg, NULL, NULL);
3928 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3929 filename, line_num, arg);
3934 audio_id = stream->fmt->audio_codec;
3935 video_id = stream->fmt->video_codec;
3938 } else if (!strcasecmp(cmd, "InputFormat")) {
3939 get_arg(arg, sizeof(arg), &p);
3940 stream->ifmt = av_find_input_format(arg);
3941 if (!stream->ifmt) {
3942 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3943 filename, line_num, arg);
3945 } else if (!strcasecmp(cmd, "FaviconURL")) {
3946 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3947 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3949 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3950 filename, line_num);
3953 } else if (!strcasecmp(cmd, "Author")) {
3955 get_arg(stream->author, sizeof(stream->author), &p);
3956 } else if (!strcasecmp(cmd, "Comment")) {
3958 get_arg(stream->comment, sizeof(stream->comment), &p);
3959 } else if (!strcasecmp(cmd, "Copyright")) {
3961 get_arg(stream->copyright, sizeof(stream->copyright), &p);
3962 } else if (!strcasecmp(cmd, "Title")) {
3964 get_arg(stream->title, sizeof(stream->title), &p);
3965 } else if (!strcasecmp(cmd, "Preroll")) {
3966 get_arg(arg, sizeof(arg), &p);
3968 stream->prebuffer = atof(arg) * 1000;
3969 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
3971 stream->send_on_key = 1;
3972 } else if (!strcasecmp(cmd, "AudioCodec")) {
3973 get_arg(arg, sizeof(arg), &p);
3974 audio_id = opt_audio_codec(arg);
3975 if (audio_id == CODEC_ID_NONE) {
3976 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
3977 filename, line_num, arg);
3980 } else if (!strcasecmp(cmd, "VideoCodec")) {
3981 get_arg(arg, sizeof(arg), &p);
3982 video_id = opt_video_codec(arg);
3983 if (video_id == CODEC_ID_NONE) {
3984 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
3985 filename, line_num, arg);
3988 } else if (!strcasecmp(cmd, "MaxTime")) {
3989 get_arg(arg, sizeof(arg), &p);
3991 stream->max_time = atof(arg) * 1000;
3992 } else if (!strcasecmp(cmd, "AudioBitRate")) {
3993 get_arg(arg, sizeof(arg), &p);
3995 audio_enc.bit_rate = atoi(arg) * 1000;
3996 } else if (!strcasecmp(cmd, "AudioChannels")) {
3997 get_arg(arg, sizeof(arg), &p);
3999 audio_enc.channels = atoi(arg);
4000 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4001 get_arg(arg, sizeof(arg), &p);
4003 audio_enc.sample_rate = atoi(arg);
4004 } else if (!strcasecmp(cmd, "AudioQuality")) {
4005 get_arg(arg, sizeof(arg), &p);
4007 // audio_enc.quality = atof(arg) * 1000;
4009 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4011 int minrate, maxrate;
4013 get_arg(arg, sizeof(arg), &p);
4015 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4016 video_enc.rc_min_rate = minrate * 1000;
4017 video_enc.rc_max_rate = maxrate * 1000;
4019 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4020 filename, line_num, arg);
4024 } else if (!strcasecmp(cmd, "Debug")) {
4026 get_arg(arg, sizeof(arg), &p);
4027 video_enc.debug = strtol(arg,0,0);
4029 } else if (!strcasecmp(cmd, "Strict")) {
4031 get_arg(arg, sizeof(arg), &p);
4032 video_enc.strict_std_compliance = atoi(arg);
4034 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4036 get_arg(arg, sizeof(arg), &p);
4037 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4039 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4041 get_arg(arg, sizeof(arg), &p);
4042 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4044 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4045 get_arg(arg, sizeof(arg), &p);
4047 video_enc.bit_rate = atoi(arg) * 1000;
4049 } else if (!strcasecmp(cmd, "VideoSize")) {
4050 get_arg(arg, sizeof(arg), &p);
4052 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4053 if ((video_enc.width % 16) != 0 ||
4054 (video_enc.height % 16) != 0) {
4055 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4056 filename, line_num);
4060 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4061 get_arg(arg, sizeof(arg), &p);
4063 AVRational frame_rate;
4064 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4065 fprintf(stderr, "Incorrect frame rate\n");
4068 video_enc.time_base.num = frame_rate.den;
4069 video_enc.time_base.den = frame_rate.num;
4072 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4073 get_arg(arg, sizeof(arg), &p);
4075 video_enc.gop_size = atoi(arg);
4076 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4078 video_enc.gop_size = 1;
4079 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4081 video_enc.mb_decision = FF_MB_DECISION_BITS;
4082 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4084 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4085 video_enc.flags |= CODEC_FLAG_4MV;
4087 } else if (!strcasecmp(cmd, "VideoTag")) {
4088 get_arg(arg, sizeof(arg), &p);
4089 if ((strlen(arg) == 4) && stream)
4090 video_enc.codec_tag = ff_get_fourcc(arg);
4091 } else if (!strcasecmp(cmd, "BitExact")) {
4093 video_enc.flags |= CODEC_FLAG_BITEXACT;
4094 } else if (!strcasecmp(cmd, "DctFastint")) {
4096 video_enc.dct_algo = FF_DCT_FASTINT;
4097 } else if (!strcasecmp(cmd, "IdctSimple")) {
4099 video_enc.idct_algo = FF_IDCT_SIMPLE;
4100 } else if (!strcasecmp(cmd, "Qscale")) {
4101 get_arg(arg, sizeof(arg), &p);
4103 video_enc.flags |= CODEC_FLAG_QSCALE;
4104 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4106 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4107 get_arg(arg, sizeof(arg), &p);
4109 video_enc.max_qdiff = atoi(arg);
4110 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4111 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4112 filename, line_num);
4116 } else if (!strcasecmp(cmd, "VideoQMax")) {
4117 get_arg(arg, sizeof(arg), &p);
4119 video_enc.qmax = atoi(arg);
4120 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4121 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4122 filename, line_num);
4126 } else if (!strcasecmp(cmd, "VideoQMin")) {
4127 get_arg(arg, sizeof(arg), &p);
4129 video_enc.qmin = atoi(arg);
4130 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4131 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4132 filename, line_num);
4136 } else if (!strcasecmp(cmd, "LumaElim")) {
4137 get_arg(arg, sizeof(arg), &p);
4139 video_enc.luma_elim_threshold = atoi(arg);
4140 } else if (!strcasecmp(cmd, "ChromaElim")) {
4141 get_arg(arg, sizeof(arg), &p);
4143 video_enc.chroma_elim_threshold = atoi(arg);
4144 } else if (!strcasecmp(cmd, "LumiMask")) {
4145 get_arg(arg, sizeof(arg), &p);
4147 video_enc.lumi_masking = atof(arg);
4148 } else if (!strcasecmp(cmd, "DarkMask")) {
4149 get_arg(arg, sizeof(arg), &p);
4151 video_enc.dark_masking = atof(arg);
4152 } else if (!strcasecmp(cmd, "NoVideo")) {
4153 video_id = CODEC_ID_NONE;
4154 } else if (!strcasecmp(cmd, "NoAudio")) {
4155 audio_id = CODEC_ID_NONE;
4156 } else if (!strcasecmp(cmd, "ACL")) {
4159 get_arg(arg, sizeof(arg), &p);
4160 if (strcasecmp(arg, "allow") == 0)
4161 acl.action = IP_ALLOW;
4162 else if (strcasecmp(arg, "deny") == 0)
4163 acl.action = IP_DENY;
4165 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4166 filename, line_num, arg);
4170 get_arg(arg, sizeof(arg), &p);
4172 if (resolve_host(&acl.first, arg) != 0) {
4173 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4174 filename, line_num, arg);
4177 acl.last = acl.first;
4179 get_arg(arg, sizeof(arg), &p);
4182 if (resolve_host(&acl.last, arg) != 0) {
4183 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4184 filename, line_num, arg);
4190 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4191 IPAddressACL **naclp = 0;
4197 naclp = &stream->acl;
4201 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4202 filename, line_num);
4208 naclp = &(*naclp)->next;
4213 } else if (!strcasecmp(cmd, "RTSPOption")) {
4214 get_arg(arg, sizeof(arg), &p);
4216 av_freep(&stream->rtsp_option);
4217 stream->rtsp_option = av_strdup(arg);
4219 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4220 get_arg(arg, sizeof(arg), &p);
4222 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4223 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4224 filename, line_num, arg);
4227 stream->is_multicast = 1;
4228 stream->loop = 1; /* default is looping */
4230 } else if (!strcasecmp(cmd, "MulticastPort")) {
4231 get_arg(arg, sizeof(arg), &p);
4233 stream->multicast_port = atoi(arg);
4234 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4235 get_arg(arg, sizeof(arg), &p);
4237 stream->multicast_ttl = atoi(arg);
4238 } else if (!strcasecmp(cmd, "NoLoop")) {
4241 } else if (!strcasecmp(cmd, "</Stream>")) {
4243 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4244 filename, line_num);
4247 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4248 if (audio_id != CODEC_ID_NONE) {
4249 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4250 audio_enc.codec_id = audio_id;
4251 add_codec(stream, &audio_enc);
4253 if (video_id != CODEC_ID_NONE) {
4254 video_enc.codec_type = CODEC_TYPE_VIDEO;
4255 video_enc.codec_id = video_id;
4256 add_codec(stream, &video_enc);
4261 } else if (!strcasecmp(cmd, "<Redirect")) {
4262 /*********************************************/
4264 if (stream || feed || redirect) {
4265 fprintf(stderr, "%s:%d: Already in a tag\n",
4266 filename, line_num);
4269 redirect = av_mallocz(sizeof(FFStream));
4270 *last_stream = redirect;
4271 last_stream = &redirect->next;
4273 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4274 q = strrchr(redirect->filename, '>');
4277 redirect->stream_type = STREAM_TYPE_REDIRECT;
4279 } else if (!strcasecmp(cmd, "URL")) {
4281 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4282 } else if (!strcasecmp(cmd, "</Redirect>")) {
4284 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4285 filename, line_num);
4288 if (!redirect->feed_filename[0]) {
4289 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4290 filename, line_num);
4295 } else if (!strcasecmp(cmd, "LoadModule")) {
4296 get_arg(arg, sizeof(arg), &p);
4300 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4301 filename, line_num, arg);
4305 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4306 filename, line_num, cmd);
4318 static void handle_child_exit(int sig)
4323 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4326 for (feed = first_feed; feed; feed = feed->next) {
4327 if (feed->pid == pid) {
4328 int uptime = time(0) - feed->pid_start;
4331 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4334 /* Turn off any more restarts */
4335 feed->child_argv = 0;
4340 need_to_start_children = 1;
4343 static void opt_debug()
4346 ffserver_daemon = 0;
4349 static void opt_show_help(void)
4351 printf("usage: ffserver [options]\n"
4352 "Hyper fast multi format Audio/Video streaming server\n");
4354 show_help_options(options, "Main options:\n", 0, 0);
4357 static const OptionDef options[] = {
4358 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4359 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4360 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4361 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4362 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4363 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4364 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4368 int main(int argc, char **argv)
4370 struct sigaction sigact;
4376 config_filename = "/etc/ffserver.conf";
4378 my_program_name = argv[0];
4379 my_program_dir = getcwd(0, 0);
4380 ffserver_daemon = 1;
4382 parse_options(argc, argv, options, NULL);
4384 putenv("http_proxy"); /* Kill the http_proxy */
4386 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4388 /* address on which the server will handle HTTP connections */
4389 my_http_addr.sin_family = AF_INET;
4390 my_http_addr.sin_port = htons (8080);
4391 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4393 /* address on which the server will handle RTSP connections */
4394 my_rtsp_addr.sin_family = AF_INET;
4395 my_rtsp_addr.sin_port = htons (5454);
4396 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4398 nb_max_connections = 5;
4399 max_bandwidth = 1000;
4400 first_stream = NULL;
4401 logfilename[0] = '\0';
4403 memset(&sigact, 0, sizeof(sigact));
4404 sigact.sa_handler = handle_child_exit;
4405 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4406 sigaction(SIGCHLD, &sigact, 0);
4408 if (parse_ffconfig(config_filename) < 0) {
4409 fprintf(stderr, "Incorrect config file - exiting.\n");
4413 build_file_streams();
4415 build_feed_streams();
4417 compute_bandwidth();
4419 /* put the process in background and detach it from its TTY */
4420 if (ffserver_daemon) {
4427 } else if (pid > 0) {
4435 open("/dev/null", O_RDWR);
4436 if (strcmp(logfilename, "-") != 0) {
4446 signal(SIGPIPE, SIG_IGN);
4448 /* open log file if needed */
4449 if (logfilename[0] != '\0') {
4450 if (!strcmp(logfilename, "-"))
4453 logfile = fopen(logfilename, "a");
4456 if (http_server() < 0) {
4457 fprintf(stderr, "Could not start server\n");