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 int source_index = pkt.stream_index;
2082 /* update first pts if needed */
2083 if (c->first_pts == AV_NOPTS_VALUE) {
2084 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2085 c->start_time = cur_time;
2087 /* send it to the appropriate stream */
2088 if (c->stream->feed) {
2089 /* if coming from a feed, select the right stream */
2090 if (c->switch_pending) {
2091 c->switch_pending = 0;
2092 for(i=0;i<c->stream->nb_streams;i++) {
2093 if (c->switch_feed_streams[i] == pkt.stream_index)
2094 if (pkt.flags & PKT_FLAG_KEY)
2095 do_switch_stream(c, i);
2096 if (c->switch_feed_streams[i] >= 0)
2097 c->switch_pending = 1;
2100 for(i=0;i<c->stream->nb_streams;i++) {
2101 if (c->feed_streams[i] == pkt.stream_index) {
2102 pkt.stream_index = i;
2103 if (pkt.flags & PKT_FLAG_KEY)
2104 c->got_key_frame |= 1 << i;
2105 /* See if we have all the key frames, then
2106 * we start to send. This logic is not quite
2107 * right, but it works for the case of a
2108 * single video stream with one or more
2109 * audio streams (for which every frame is
2110 * typically a key frame).
2112 if (!c->stream->send_on_key ||
2113 ((c->got_key_frame + 1) >> c->stream->nb_streams))
2118 AVCodecContext *codec;
2121 /* specific handling for RTP: we use several
2122 output stream (one for each RTP
2123 connection). XXX: need more abstract handling */
2124 if (c->is_packetized) {
2126 /* compute send time and duration */
2127 st = c->fmt_in->streams[pkt.stream_index];
2128 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2129 if (st->start_time != AV_NOPTS_VALUE)
2130 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2131 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2133 printf("index=%d pts=%0.3f duration=%0.6f\n",
2135 (double)c->cur_pts /
2137 (double)c->cur_frame_duration /
2140 /* find RTP context */
2141 c->packet_stream_index = pkt.stream_index;
2142 ctx = c->rtp_ctx[c->packet_stream_index];
2144 av_free_packet(&pkt);
2147 codec = ctx->streams[0]->codec;
2148 /* only one stream per RTP connection */
2149 pkt.stream_index = 0;
2153 codec = ctx->streams[pkt.stream_index]->codec;
2156 if (c->is_packetized) {
2157 int max_packet_size;
2158 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2159 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2161 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2162 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2164 ret = url_open_dyn_buf(&ctx->pb);
2167 /* XXX: potential leak */
2170 c->fmt_ctx.pb->is_streamed = 1;
2171 if (pkt.dts != AV_NOPTS_VALUE)
2172 pkt.dts = av_rescale_q(pkt.dts,
2173 c->fmt_in->streams[source_index]->time_base,
2174 ctx->streams[pkt.stream_index]->time_base);
2175 if (pkt.pts != AV_NOPTS_VALUE)
2176 pkt.pts = av_rescale_q(pkt.pts,
2177 c->fmt_in->streams[source_index]->time_base,
2178 ctx->streams[pkt.stream_index]->time_base);
2179 if (av_write_frame(ctx, &pkt) < 0) {
2180 http_log("Error writing frame to output\n");
2181 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2184 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2185 c->cur_frame_bytes = len;
2186 c->buffer_ptr = c->pb_buffer;
2187 c->buffer_end = c->pb_buffer + len;
2189 codec->frame_number++;
2191 av_free_packet(&pkt);
2195 av_free_packet(&pkt);
2200 case HTTPSTATE_SEND_DATA_TRAILER:
2201 /* last packet test ? */
2202 if (c->last_packet_sent || c->is_packetized)
2205 /* prepare header */
2206 if (url_open_dyn_buf(&ctx->pb) < 0) {
2207 /* XXX: potential leak */
2210 c->fmt_ctx.pb->is_streamed = 1;
2211 av_write_trailer(ctx);
2212 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2213 c->buffer_ptr = c->pb_buffer;
2214 c->buffer_end = c->pb_buffer + len;
2216 c->last_packet_sent = 1;
2222 /* should convert the format at the same time */
2223 /* send data starting at c->buffer_ptr to the output connection
2224 (either UDP or TCP connection) */
2225 static int http_send_data(HTTPContext *c)
2230 if (c->buffer_ptr >= c->buffer_end) {
2231 ret = http_prepare_data(c);
2235 /* state change requested */
2238 if (c->is_packetized) {
2239 /* RTP data output */
2240 len = c->buffer_end - c->buffer_ptr;
2242 /* fail safe - should never happen */
2244 c->buffer_ptr = c->buffer_end;
2247 len = (c->buffer_ptr[0] << 24) |
2248 (c->buffer_ptr[1] << 16) |
2249 (c->buffer_ptr[2] << 8) |
2251 if (len > (c->buffer_end - c->buffer_ptr))
2253 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2254 /* nothing to send yet: we can wait */
2258 c->data_count += len;
2259 update_datarate(&c->datarate, c->data_count);
2261 c->stream->bytes_served += len;
2263 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2264 /* RTP packets are sent inside the RTSP TCP connection */
2266 int interleaved_index, size;
2268 HTTPContext *rtsp_c;
2271 /* if no RTSP connection left, error */
2274 /* if already sending something, then wait. */
2275 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2277 if (url_open_dyn_buf(&pb) < 0)
2279 interleaved_index = c->packet_stream_index * 2;
2280 /* RTCP packets are sent at odd indexes */
2281 if (c->buffer_ptr[1] == 200)
2282 interleaved_index++;
2283 /* write RTSP TCP header */
2285 header[1] = interleaved_index;
2286 header[2] = len >> 8;
2288 put_buffer(pb, header, 4);
2289 /* write RTP packet data */
2291 put_buffer(pb, c->buffer_ptr, len);
2292 size = url_close_dyn_buf(pb, &c->packet_buffer);
2293 /* prepare asynchronous TCP sending */
2294 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2295 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2296 c->buffer_ptr += len;
2298 /* send everything we can NOW */
2299 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2300 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2302 rtsp_c->packet_buffer_ptr += len;
2303 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2304 /* if we could not send all the data, we will
2305 send it later, so a new state is needed to
2306 "lock" the RTSP TCP connection */
2307 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2310 /* all data has been sent */
2311 av_freep(&c->packet_buffer);
2313 /* send RTP packet directly in UDP */
2315 url_write(c->rtp_handles[c->packet_stream_index],
2316 c->buffer_ptr, len);
2317 c->buffer_ptr += len;
2318 /* here we continue as we can send several packets per 10 ms slot */
2321 /* TCP data output */
2322 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2324 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2325 ff_neterrno() != FF_NETERROR(EINTR))
2326 /* error : close connection */
2331 c->buffer_ptr += len;
2333 c->data_count += len;
2334 update_datarate(&c->datarate, c->data_count);
2336 c->stream->bytes_served += len;
2344 static int http_start_receive_data(HTTPContext *c)
2348 if (c->stream->feed_opened)
2351 /* Don't permit writing to this one */
2352 if (c->stream->readonly)
2356 fd = open(c->stream->feed_filename, O_RDWR);
2358 http_log("Error opening feeder file: %s\n", strerror(errno));
2363 c->stream->feed_write_index = ffm_read_write_index(fd);
2364 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2365 lseek(fd, 0, SEEK_SET);
2367 /* init buffer input */
2368 c->buffer_ptr = c->buffer;
2369 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2370 c->stream->feed_opened = 1;
2374 static int http_receive_data(HTTPContext *c)
2378 if (c->buffer_end > c->buffer_ptr) {
2381 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2383 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2384 ff_neterrno() != FF_NETERROR(EINTR))
2385 /* error : close connection */
2387 } else if (len == 0)
2388 /* end of connection : close it */
2391 c->buffer_ptr += len;
2392 c->data_count += len;
2393 update_datarate(&c->datarate, c->data_count);
2397 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2398 if (c->buffer[0] != 'f' ||
2399 c->buffer[1] != 'm') {
2400 http_log("Feed stream has become desynchronized -- disconnecting\n");
2405 if (c->buffer_ptr >= c->buffer_end) {
2406 FFStream *feed = c->stream;
2407 /* a packet has been received : write it in the store, except
2409 if (c->data_count > FFM_PACKET_SIZE) {
2411 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2412 /* XXX: use llseek or url_seek */
2413 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2414 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2415 http_log("Error writing to feed file: %s\n", strerror(errno));
2419 feed->feed_write_index += FFM_PACKET_SIZE;
2420 /* update file size */
2421 if (feed->feed_write_index > c->stream->feed_size)
2422 feed->feed_size = feed->feed_write_index;
2424 /* handle wrap around if max file size reached */
2425 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2426 feed->feed_write_index = FFM_PACKET_SIZE;
2429 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2431 /* wake up any waiting connections */
2432 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2433 if (c1->state == HTTPSTATE_WAIT_FEED &&
2434 c1->stream->feed == c->stream->feed)
2435 c1->state = HTTPSTATE_SEND_DATA;
2438 /* We have a header in our hands that contains useful data */
2440 AVInputFormat *fmt_in;
2443 memset(&s, 0, sizeof(s));
2445 url_open_buf(&s.pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2446 s.pb->is_streamed = 1;
2448 /* use feed output format name to find corresponding input format */
2449 fmt_in = av_find_input_format(feed->fmt->name);
2453 if (fmt_in->priv_data_size > 0) {
2454 s.priv_data = av_mallocz(fmt_in->priv_data_size);
2460 if (fmt_in->read_header(&s, 0) < 0) {
2461 av_freep(&s.priv_data);
2465 /* Now we have the actual streams */
2466 if (s.nb_streams != feed->nb_streams) {
2467 av_freep(&s.priv_data);
2470 for (i = 0; i < s.nb_streams; i++)
2471 memcpy(feed->streams[i]->codec,
2472 s.streams[i]->codec, sizeof(AVCodecContext));
2473 av_freep(&s.priv_data);
2475 c->buffer_ptr = c->buffer;
2480 c->stream->feed_opened = 0;
2482 /* wake up any waiting connections to stop waiting for feed */
2483 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2484 if (c1->state == HTTPSTATE_WAIT_FEED &&
2485 c1->stream->feed == c->stream->feed)
2486 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2491 /********************************************************************/
2494 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2501 switch(error_number) {
2502 case RTSP_STATUS_OK:
2505 case RTSP_STATUS_METHOD:
2506 str = "Method Not Allowed";
2508 case RTSP_STATUS_BANDWIDTH:
2509 str = "Not Enough Bandwidth";
2511 case RTSP_STATUS_SESSION:
2512 str = "Session Not Found";
2514 case RTSP_STATUS_STATE:
2515 str = "Method Not Valid in This State";
2517 case RTSP_STATUS_AGGREGATE:
2518 str = "Aggregate operation not allowed";
2520 case RTSP_STATUS_ONLY_AGGREGATE:
2521 str = "Only aggregate operation allowed";
2523 case RTSP_STATUS_TRANSPORT:
2524 str = "Unsupported transport";
2526 case RTSP_STATUS_INTERNAL:
2527 str = "Internal Server Error";
2529 case RTSP_STATUS_SERVICE:
2530 str = "Service Unavailable";
2532 case RTSP_STATUS_VERSION:
2533 str = "RTSP Version not supported";
2536 str = "Unknown Error";
2540 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2541 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2543 /* output GMT time */
2547 p = buf2 + strlen(p) - 1;
2550 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2553 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2555 rtsp_reply_header(c, error_number);
2556 url_fprintf(c->pb, "\r\n");
2559 static int rtsp_parse_request(HTTPContext *c)
2561 const char *p, *p1, *p2;
2567 RTSPHeader header1, *header = &header1;
2569 c->buffer_ptr[0] = '\0';
2572 get_word(cmd, sizeof(cmd), &p);
2573 get_word(url, sizeof(url), &p);
2574 get_word(protocol, sizeof(protocol), &p);
2576 av_strlcpy(c->method, cmd, sizeof(c->method));
2577 av_strlcpy(c->url, url, sizeof(c->url));
2578 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2580 if (url_open_dyn_buf(&c->pb) < 0) {
2581 /* XXX: cannot do more */
2582 c->pb = NULL; /* safety */
2586 /* check version name */
2587 if (strcmp(protocol, "RTSP/1.0") != 0) {
2588 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2592 /* parse each header line */
2593 memset(header, 0, sizeof(RTSPHeader));
2594 /* skip to next line */
2595 while (*p != '\n' && *p != '\0')
2599 while (*p != '\0') {
2600 p1 = strchr(p, '\n');
2604 if (p2 > p && p2[-1] == '\r')
2606 /* skip empty line */
2610 if (len > sizeof(line) - 1)
2611 len = sizeof(line) - 1;
2612 memcpy(line, p, len);
2614 rtsp_parse_line(header, line);
2618 /* handle sequence number */
2619 c->seq = header->seq;
2621 if (!strcmp(cmd, "DESCRIBE"))
2622 rtsp_cmd_describe(c, url);
2623 else if (!strcmp(cmd, "OPTIONS"))
2624 rtsp_cmd_options(c, url);
2625 else if (!strcmp(cmd, "SETUP"))
2626 rtsp_cmd_setup(c, url, header);
2627 else if (!strcmp(cmd, "PLAY"))
2628 rtsp_cmd_play(c, url, header);
2629 else if (!strcmp(cmd, "PAUSE"))
2630 rtsp_cmd_pause(c, url, header);
2631 else if (!strcmp(cmd, "TEARDOWN"))
2632 rtsp_cmd_teardown(c, url, header);
2634 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2637 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2638 c->pb = NULL; /* safety */
2640 /* XXX: cannot do more */
2643 c->buffer_ptr = c->pb_buffer;
2644 c->buffer_end = c->pb_buffer + len;
2645 c->state = RTSPSTATE_SEND_REPLY;
2649 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2650 struct in_addr my_ip)
2652 AVFormatContext *avc;
2653 AVStream avs[MAX_STREAMS];
2656 avc = av_alloc_format_context();
2660 if (stream->title[0] != 0) {
2661 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2663 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2665 avc->nb_streams = stream->nb_streams;
2666 if (stream->is_multicast) {
2667 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2668 inet_ntoa(stream->multicast_ip),
2669 stream->multicast_port, stream->multicast_ttl);
2672 for(i = 0; i < stream->nb_streams; i++) {
2673 avc->streams[i] = &avs[i];
2674 avc->streams[i]->codec = stream->streams[i]->codec;
2676 *pbuffer = av_mallocz(2048);
2677 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2680 return strlen(*pbuffer);
2683 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2685 // rtsp_reply_header(c, RTSP_STATUS_OK);
2686 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2687 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2688 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2689 url_fprintf(c->pb, "\r\n");
2692 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2698 int content_length, len;
2699 struct sockaddr_in my_addr;
2701 /* find which url is asked */
2702 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2707 for(stream = first_stream; stream != NULL; stream = stream->next) {
2708 if (!stream->is_feed &&
2709 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2710 !strcmp(path, stream->filename)) {
2714 /* no stream found */
2715 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2719 /* prepare the media description in sdp format */
2721 /* get the host IP */
2722 len = sizeof(my_addr);
2723 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2724 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2725 if (content_length < 0) {
2726 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2729 rtsp_reply_header(c, RTSP_STATUS_OK);
2730 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2731 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2732 url_fprintf(c->pb, "\r\n");
2733 put_buffer(c->pb, content, content_length);
2736 static HTTPContext *find_rtp_session(const char *session_id)
2740 if (session_id[0] == '\0')
2743 for(c = first_http_ctx; c != NULL; c = c->next) {
2744 if (!strcmp(c->session_id, session_id))
2750 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2752 RTSPTransportField *th;
2755 for(i=0;i<h->nb_transports;i++) {
2756 th = &h->transports[i];
2757 if (th->protocol == protocol)
2763 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2767 int stream_index, port;
2772 RTSPTransportField *th;
2773 struct sockaddr_in dest_addr;
2774 RTSPActionServerSetup setup;
2776 /* find which url is asked */
2777 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2782 /* now check each stream */
2783 for(stream = first_stream; stream != NULL; stream = stream->next) {
2784 if (!stream->is_feed &&
2785 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2786 /* accept aggregate filenames only if single stream */
2787 if (!strcmp(path, stream->filename)) {
2788 if (stream->nb_streams != 1) {
2789 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2796 for(stream_index = 0; stream_index < stream->nb_streams;
2798 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2799 stream->filename, stream_index);
2800 if (!strcmp(path, buf))
2805 /* no stream found */
2806 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2810 /* generate session id if needed */
2811 if (h->session_id[0] == '\0')
2812 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2813 av_random(&random_state), av_random(&random_state));
2815 /* find rtp session, and create it if none found */
2816 rtp_c = find_rtp_session(h->session_id);
2818 /* always prefer UDP */
2819 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2821 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2823 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2828 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2831 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2835 /* open input stream */
2836 if (open_input_stream(rtp_c, "") < 0) {
2837 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2842 /* test if stream is OK (test needed because several SETUP needs
2843 to be done for a given file) */
2844 if (rtp_c->stream != stream) {
2845 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2849 /* test if stream is already set up */
2850 if (rtp_c->rtp_ctx[stream_index]) {
2851 rtsp_reply_error(c, RTSP_STATUS_STATE);
2855 /* check transport */
2856 th = find_transport(h, rtp_c->rtp_protocol);
2857 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2858 th->client_port_min <= 0)) {
2859 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2863 /* setup default options */
2864 setup.transport_option[0] = '\0';
2865 dest_addr = rtp_c->from_addr;
2866 dest_addr.sin_port = htons(th->client_port_min);
2869 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2870 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2874 /* now everything is OK, so we can send the connection parameters */
2875 rtsp_reply_header(c, RTSP_STATUS_OK);
2877 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2879 switch(rtp_c->rtp_protocol) {
2880 case RTSP_PROTOCOL_RTP_UDP:
2881 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2882 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2883 "client_port=%d-%d;server_port=%d-%d",
2884 th->client_port_min, th->client_port_min + 1,
2887 case RTSP_PROTOCOL_RTP_TCP:
2888 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2889 stream_index * 2, stream_index * 2 + 1);
2894 if (setup.transport_option[0] != '\0')
2895 url_fprintf(c->pb, ";%s", setup.transport_option);
2896 url_fprintf(c->pb, "\r\n");
2899 url_fprintf(c->pb, "\r\n");
2903 /* find an rtp connection by using the session ID. Check consistency
2905 static HTTPContext *find_rtp_session_with_url(const char *url,
2906 const char *session_id)
2914 rtp_c = find_rtp_session(session_id);
2918 /* find which url is asked */
2919 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2923 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2924 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2925 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2926 rtp_c->stream->filename, s);
2927 if(!strncmp(path, buf, sizeof(buf))) {
2928 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2935 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2939 rtp_c = find_rtp_session_with_url(url, h->session_id);
2941 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2945 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2946 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2947 rtp_c->state != HTTPSTATE_READY) {
2948 rtsp_reply_error(c, RTSP_STATUS_STATE);
2953 /* XXX: seek in stream */
2954 if (h->range_start != AV_NOPTS_VALUE) {
2955 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2956 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2960 rtp_c->state = HTTPSTATE_SEND_DATA;
2962 /* now everything is OK, so we can send the connection parameters */
2963 rtsp_reply_header(c, RTSP_STATUS_OK);
2965 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2966 url_fprintf(c->pb, "\r\n");
2969 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
2973 rtp_c = find_rtp_session_with_url(url, h->session_id);
2975 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2979 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2980 rtp_c->state != HTTPSTATE_WAIT_FEED) {
2981 rtsp_reply_error(c, RTSP_STATUS_STATE);
2985 rtp_c->state = HTTPSTATE_READY;
2986 rtp_c->first_pts = AV_NOPTS_VALUE;
2987 /* now everything is OK, so we can send the connection parameters */
2988 rtsp_reply_header(c, RTSP_STATUS_OK);
2990 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2991 url_fprintf(c->pb, "\r\n");
2994 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
2997 char session_id[32];
2999 rtp_c = find_rtp_session_with_url(url, h->session_id);
3001 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3005 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3007 /* abort the session */
3008 close_connection(rtp_c);
3010 /* now everything is OK, so we can send the connection parameters */
3011 rtsp_reply_header(c, RTSP_STATUS_OK);
3013 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3014 url_fprintf(c->pb, "\r\n");
3018 /********************************************************************/
3021 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3022 FFStream *stream, const char *session_id,
3023 enum RTSPProtocol rtp_protocol)
3025 HTTPContext *c = NULL;
3026 const char *proto_str;
3028 /* XXX: should output a warning page when coming
3029 close to the connection limit */
3030 if (nb_connections >= nb_max_connections)
3033 /* add a new connection */
3034 c = av_mallocz(sizeof(HTTPContext));
3039 c->poll_entry = NULL;
3040 c->from_addr = *from_addr;
3041 c->buffer_size = IOBUFFER_INIT_SIZE;
3042 c->buffer = av_malloc(c->buffer_size);
3047 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3048 c->state = HTTPSTATE_READY;
3049 c->is_packetized = 1;
3050 c->rtp_protocol = rtp_protocol;
3052 /* protocol is shown in statistics */
3053 switch(c->rtp_protocol) {
3054 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3055 proto_str = "MCAST";
3057 case RTSP_PROTOCOL_RTP_UDP:
3060 case RTSP_PROTOCOL_RTP_TCP:
3067 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3068 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3070 current_bandwidth += stream->bandwidth;
3072 c->next = first_http_ctx;
3084 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3085 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3087 static int rtp_new_av_stream(HTTPContext *c,
3088 int stream_index, struct sockaddr_in *dest_addr,
3089 HTTPContext *rtsp_c)
3091 AVFormatContext *ctx;
3094 URLContext *h = NULL;
3097 int max_packet_size;
3099 /* now we can open the relevant output stream */
3100 ctx = av_alloc_format_context();
3103 ctx->oformat = guess_format("rtp", NULL, NULL);
3105 st = av_mallocz(sizeof(AVStream));
3108 st->codec= avcodec_alloc_context();
3109 ctx->nb_streams = 1;
3110 ctx->streams[0] = st;
3112 if (!c->stream->feed ||
3113 c->stream->feed == c->stream)
3114 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3117 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3119 st->priv_data = NULL;
3121 /* build destination RTP address */
3122 ipaddr = inet_ntoa(dest_addr->sin_addr);
3124 switch(c->rtp_protocol) {
3125 case RTSP_PROTOCOL_RTP_UDP:
3126 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3129 /* XXX: also pass as parameter to function ? */
3130 if (c->stream->is_multicast) {
3132 ttl = c->stream->multicast_ttl;
3135 snprintf(ctx->filename, sizeof(ctx->filename),
3136 "rtp://%s:%d?multicast=1&ttl=%d",
3137 ipaddr, ntohs(dest_addr->sin_port), ttl);
3139 snprintf(ctx->filename, sizeof(ctx->filename),
3140 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3143 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3145 c->rtp_handles[stream_index] = h;
3146 max_packet_size = url_get_max_packet_size(h);
3148 case RTSP_PROTOCOL_RTP_TCP:
3151 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3157 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3158 ipaddr, ntohs(dest_addr->sin_port),
3160 c->stream->filename, stream_index, c->protocol);
3162 /* normally, no packets should be output here, but the packet size may be checked */
3163 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3164 /* XXX: close stream */
3167 av_set_parameters(ctx, NULL);
3168 if (av_write_header(ctx) < 0) {
3175 url_close_dyn_buf(ctx->pb, &dummy_buf);
3178 c->rtp_ctx[stream_index] = ctx;
3182 /********************************************************************/
3183 /* ffserver initialization */
3185 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3189 fst = av_mallocz(sizeof(AVStream));
3192 fst->codec= avcodec_alloc_context();
3193 fst->priv_data = av_mallocz(sizeof(FeedData));
3194 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3195 fst->index = stream->nb_streams;
3196 av_set_pts_info(fst, 33, 1, 90000);
3197 stream->streams[stream->nb_streams++] = fst;
3201 /* return the stream number in the feed */
3202 static int add_av_stream(FFStream *feed, AVStream *st)
3205 AVCodecContext *av, *av1;
3209 for(i=0;i<feed->nb_streams;i++) {
3210 st = feed->streams[i];
3212 if (av1->codec_id == av->codec_id &&
3213 av1->codec_type == av->codec_type &&
3214 av1->bit_rate == av->bit_rate) {
3216 switch(av->codec_type) {
3217 case CODEC_TYPE_AUDIO:
3218 if (av1->channels == av->channels &&
3219 av1->sample_rate == av->sample_rate)
3222 case CODEC_TYPE_VIDEO:
3223 if (av1->width == av->width &&
3224 av1->height == av->height &&
3225 av1->time_base.den == av->time_base.den &&
3226 av1->time_base.num == av->time_base.num &&
3227 av1->gop_size == av->gop_size)
3236 fst = add_av_stream1(feed, av);
3239 return feed->nb_streams - 1;
3244 static void remove_stream(FFStream *stream)
3248 while (*ps != NULL) {
3256 /* specific mpeg4 handling : we extract the raw parameters */
3257 static void extract_mpeg4_header(AVFormatContext *infile)
3259 int mpeg4_count, i, size;
3265 for(i=0;i<infile->nb_streams;i++) {
3266 st = infile->streams[i];
3267 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3268 st->codec->extradata_size == 0) {
3275 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3276 while (mpeg4_count > 0) {
3277 if (av_read_packet(infile, &pkt) < 0)
3279 st = infile->streams[pkt.stream_index];
3280 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3281 st->codec->extradata_size == 0) {
3282 av_freep(&st->codec->extradata);
3283 /* fill extradata with the header */
3284 /* XXX: we make hard suppositions here ! */
3286 while (p < pkt.data + pkt.size - 4) {
3287 /* stop when vop header is found */
3288 if (p[0] == 0x00 && p[1] == 0x00 &&
3289 p[2] == 0x01 && p[3] == 0xb6) {
3290 size = p - pkt.data;
3291 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3292 st->codec->extradata = av_malloc(size);
3293 st->codec->extradata_size = size;
3294 memcpy(st->codec->extradata, pkt.data, size);
3301 av_free_packet(&pkt);
3305 /* compute the needed AVStream for each file */
3306 static void build_file_streams(void)
3308 FFStream *stream, *stream_next;
3309 AVFormatContext *infile;
3312 /* gather all streams */
3313 for(stream = first_stream; stream != NULL; stream = stream_next) {
3314 stream_next = stream->next;
3315 if (stream->stream_type == STREAM_TYPE_LIVE &&
3317 /* the stream comes from a file */
3318 /* try to open the file */
3320 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3321 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3322 /* specific case : if transport stream output to RTP,
3323 we use a raw transport stream reader */
3324 stream->ap_in->mpeg2ts_raw = 1;
3325 stream->ap_in->mpeg2ts_compute_pcr = 1;
3328 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3329 stream->ifmt, 0, stream->ap_in)) < 0) {
3330 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3331 /* remove stream (no need to spend more time on it) */
3333 remove_stream(stream);
3335 /* find all the AVStreams inside and reference them in
3337 if (av_find_stream_info(infile) < 0) {
3338 http_log("Could not find codec parameters from '%s'",
3339 stream->feed_filename);
3340 av_close_input_file(infile);
3343 extract_mpeg4_header(infile);
3345 for(i=0;i<infile->nb_streams;i++)
3346 add_av_stream1(stream, infile->streams[i]->codec);
3348 av_close_input_file(infile);
3354 /* compute the needed AVStream for each feed */
3355 static void build_feed_streams(void)
3357 FFStream *stream, *feed;
3360 /* gather all streams */
3361 for(stream = first_stream; stream != NULL; stream = stream->next) {
3362 feed = stream->feed;
3364 if (!stream->is_feed) {
3365 /* we handle a stream coming from a feed */
3366 for(i=0;i<stream->nb_streams;i++)
3367 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3372 /* gather all streams */
3373 for(stream = first_stream; stream != NULL; stream = stream->next) {
3374 feed = stream->feed;
3376 if (stream->is_feed) {
3377 for(i=0;i<stream->nb_streams;i++)
3378 stream->feed_streams[i] = i;
3383 /* create feed files if needed */
3384 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3387 if (url_exist(feed->feed_filename)) {
3388 /* See if it matches */
3392 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3393 /* Now see if it matches */
3394 if (s->nb_streams == feed->nb_streams) {
3396 for(i=0;i<s->nb_streams;i++) {
3398 sf = feed->streams[i];
3401 if (sf->index != ss->index ||
3403 printf("Index & Id do not match for stream %d (%s)\n",
3404 i, feed->feed_filename);
3407 AVCodecContext *ccf, *ccs;
3411 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3413 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3414 printf("Codecs do not match for stream %d\n", i);
3416 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3417 printf("Codec bitrates do not match for stream %d\n", i);
3419 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3420 if (CHECK_CODEC(time_base.den) ||
3421 CHECK_CODEC(time_base.num) ||
3422 CHECK_CODEC(width) ||
3423 CHECK_CODEC(height)) {
3424 printf("Codec width, height and framerate do not match for stream %d\n", i);
3427 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3428 if (CHECK_CODEC(sample_rate) ||
3429 CHECK_CODEC(channels) ||
3430 CHECK_CODEC(frame_size)) {
3431 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3435 printf("Unknown codec type\n");
3443 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3444 feed->feed_filename, s->nb_streams, feed->nb_streams);
3446 av_close_input_file(s);
3448 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3449 feed->feed_filename);
3452 if (feed->readonly) {
3453 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3454 feed->feed_filename);
3457 unlink(feed->feed_filename);
3460 if (!url_exist(feed->feed_filename)) {
3461 AVFormatContext s1, *s = &s1;
3463 if (feed->readonly) {
3464 printf("Unable to create feed file '%s' as it is marked readonly\n",
3465 feed->feed_filename);
3469 /* only write the header of the ffm file */
3470 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3471 fprintf(stderr, "Could not open output feed file '%s'\n",
3472 feed->feed_filename);
3475 s->oformat = feed->fmt;
3476 s->nb_streams = feed->nb_streams;
3477 for(i=0;i<s->nb_streams;i++) {
3479 st = feed->streams[i];
3482 av_set_parameters(s, NULL);
3483 if (av_write_header(s) < 0) {
3484 fprintf(stderr, "Container doesn't supports the required parameters\n");
3487 /* XXX: need better api */
3488 av_freep(&s->priv_data);
3491 /* get feed size and write index */
3492 fd = open(feed->feed_filename, O_RDONLY);
3494 fprintf(stderr, "Could not open output feed file '%s'\n",
3495 feed->feed_filename);
3499 feed->feed_write_index = ffm_read_write_index(fd);
3500 feed->feed_size = lseek(fd, 0, SEEK_END);
3501 /* ensure that we do not wrap before the end of file */
3502 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3503 feed->feed_max_size = feed->feed_size;
3509 /* compute the bandwidth used by each stream */
3510 static void compute_bandwidth(void)
3515 for(stream = first_stream; stream != NULL; stream = stream->next) {
3517 for(i=0;i<stream->nb_streams;i++) {
3518 AVStream *st = stream->streams[i];
3519 switch(st->codec->codec_type) {
3520 case CODEC_TYPE_AUDIO:
3521 case CODEC_TYPE_VIDEO:
3522 bandwidth += st->codec->bit_rate;
3528 stream->bandwidth = (bandwidth + 999) / 1000;
3532 static void get_arg(char *buf, int buf_size, const char **pp)
3539 while (isspace(*p)) p++;
3542 if (*p == '\"' || *p == '\'')
3554 if ((q - buf) < buf_size - 1)
3559 if (quote && *p == quote)
3564 /* add a codec and set the default parameters */
3565 static void add_codec(FFStream *stream, AVCodecContext *av)
3569 /* compute default parameters */
3570 switch(av->codec_type) {
3571 case CODEC_TYPE_AUDIO:
3572 if (av->bit_rate == 0)
3573 av->bit_rate = 64000;
3574 if (av->sample_rate == 0)
3575 av->sample_rate = 22050;
3576 if (av->channels == 0)
3579 case CODEC_TYPE_VIDEO:
3580 if (av->bit_rate == 0)
3581 av->bit_rate = 64000;
3582 if (av->time_base.num == 0){
3583 av->time_base.den = 5;
3584 av->time_base.num = 1;
3586 if (av->width == 0 || av->height == 0) {
3590 /* Bitrate tolerance is less for streaming */
3591 if (av->bit_rate_tolerance == 0)
3592 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3593 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3598 if (av->max_qdiff == 0)
3600 av->qcompress = 0.5;
3603 if (!av->nsse_weight)
3604 av->nsse_weight = 8;
3606 av->frame_skip_cmp = FF_CMP_DCTMAX;
3607 av->me_method = ME_EPZS;
3608 av->rc_buffer_aggressivity = 1.0;
3611 av->rc_eq = "tex^qComp";
3612 if (!av->i_quant_factor)
3613 av->i_quant_factor = -0.8;
3614 if (!av->b_quant_factor)
3615 av->b_quant_factor = 1.25;
3616 if (!av->b_quant_offset)
3617 av->b_quant_offset = 1.25;
3618 if (!av->rc_max_rate)
3619 av->rc_max_rate = av->bit_rate * 2;
3621 if (av->rc_max_rate && !av->rc_buffer_size) {
3622 av->rc_buffer_size = av->rc_max_rate;
3631 st = av_mallocz(sizeof(AVStream));
3634 st->codec = avcodec_alloc_context();
3635 stream->streams[stream->nb_streams++] = st;
3636 memcpy(st->codec, av, sizeof(AVCodecContext));
3639 static int opt_audio_codec(const char *arg)
3641 AVCodec *p= avcodec_find_encoder_by_name(arg);
3643 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3644 return CODEC_ID_NONE;
3649 static int opt_video_codec(const char *arg)
3651 AVCodec *p= avcodec_find_encoder_by_name(arg);
3653 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3654 return CODEC_ID_NONE;
3659 /* simplistic plugin support */
3662 static void load_module(const char *filename)
3665 void (*init_func)(void);
3666 dll = dlopen(filename, RTLD_NOW);
3668 fprintf(stderr, "Could not load module '%s' - %s\n",
3669 filename, dlerror());
3673 init_func = dlsym(dll, "ffserver_module_init");
3676 "%s: init function 'ffserver_module_init()' not found\n",
3685 static int parse_ffconfig(const char *filename)
3692 int val, errors, line_num;
3693 FFStream **last_stream, *stream, *redirect;
3694 FFStream **last_feed, *feed;
3695 AVCodecContext audio_enc, video_enc;
3696 int audio_id, video_id;
3698 f = fopen(filename, "r");
3706 first_stream = NULL;
3707 last_stream = &first_stream;
3709 last_feed = &first_feed;
3713 audio_id = CODEC_ID_NONE;
3714 video_id = CODEC_ID_NONE;
3716 if (fgets(line, sizeof(line), f) == NULL)
3722 if (*p == '\0' || *p == '#')
3725 get_arg(cmd, sizeof(cmd), &p);
3727 if (!strcasecmp(cmd, "Port")) {
3728 get_arg(arg, sizeof(arg), &p);
3730 if (val < 1 || val > 65536) {
3731 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3732 filename, line_num, arg);
3735 my_http_addr.sin_port = htons(val);
3736 } else if (!strcasecmp(cmd, "BindAddress")) {
3737 get_arg(arg, sizeof(arg), &p);
3738 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3739 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3740 filename, line_num, arg);
3743 } else if (!strcasecmp(cmd, "NoDaemon")) {
3744 ffserver_daemon = 0;
3745 } else if (!strcasecmp(cmd, "RTSPPort")) {
3746 get_arg(arg, sizeof(arg), &p);
3748 if (val < 1 || val > 65536) {
3749 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3750 filename, line_num, arg);
3753 my_rtsp_addr.sin_port = htons(atoi(arg));
3754 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3755 get_arg(arg, sizeof(arg), &p);
3756 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3757 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3758 filename, line_num, arg);
3761 } else if (!strcasecmp(cmd, "MaxClients")) {
3762 get_arg(arg, sizeof(arg), &p);
3764 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3765 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3766 filename, line_num, arg);
3769 nb_max_connections = val;
3771 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3772 get_arg(arg, sizeof(arg), &p);
3774 if (val < 10 || val > 100000) {
3775 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3776 filename, line_num, arg);
3779 max_bandwidth = val;
3780 } else if (!strcasecmp(cmd, "CustomLog")) {
3781 get_arg(logfilename, sizeof(logfilename), &p);
3782 } else if (!strcasecmp(cmd, "<Feed")) {
3783 /*********************************************/
3784 /* Feed related options */
3786 if (stream || feed) {
3787 fprintf(stderr, "%s:%d: Already in a tag\n",
3788 filename, line_num);
3790 feed = av_mallocz(sizeof(FFStream));
3791 /* add in stream list */
3792 *last_stream = feed;
3793 last_stream = &feed->next;
3794 /* add in feed list */
3796 last_feed = &feed->next_feed;
3798 get_arg(feed->filename, sizeof(feed->filename), &p);
3799 q = strrchr(feed->filename, '>');
3802 feed->fmt = guess_format("ffm", NULL, NULL);
3803 /* defaut feed file */
3804 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3805 "/tmp/%s.ffm", feed->filename);
3806 feed->feed_max_size = 5 * 1024 * 1024;
3808 feed->feed = feed; /* self feeding :-) */
3810 } else if (!strcasecmp(cmd, "Launch")) {
3814 feed->child_argv = av_mallocz(64 * sizeof(char *));
3816 for (i = 0; i < 62; i++) {
3817 get_arg(arg, sizeof(arg), &p);
3821 feed->child_argv[i] = av_strdup(arg);
3824 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3826 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3828 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3829 inet_ntoa(my_http_addr.sin_addr),
3830 ntohs(my_http_addr.sin_port), feed->filename);
3835 fprintf(stdout, "Launch commandline: ");
3836 for (j = 0; j <= i; j++)
3837 fprintf(stdout, "%s ", feed->child_argv[j]);
3838 fprintf(stdout, "\n");
3841 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3843 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3845 } else if (stream) {
3846 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3848 } else if (!strcasecmp(cmd, "File")) {
3850 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3852 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3853 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3858 get_arg(arg, sizeof(arg), &p);
3860 fsize = strtod(p1, &p1);
3861 switch(toupper(*p1)) {
3866 fsize *= 1024 * 1024;
3869 fsize *= 1024 * 1024 * 1024;
3872 feed->feed_max_size = (int64_t)fsize;
3874 } else if (!strcasecmp(cmd, "</Feed>")) {
3876 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3877 filename, line_num);
3881 } else if (!strcasecmp(cmd, "<Stream")) {
3882 /*********************************************/
3883 /* Stream related options */
3885 if (stream || feed) {
3886 fprintf(stderr, "%s:%d: Already in a tag\n",
3887 filename, line_num);
3889 stream = av_mallocz(sizeof(FFStream));
3890 *last_stream = stream;
3891 last_stream = &stream->next;
3893 get_arg(stream->filename, sizeof(stream->filename), &p);
3894 q = strrchr(stream->filename, '>');
3897 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3898 memset(&audio_enc, 0, sizeof(AVCodecContext));
3899 memset(&video_enc, 0, sizeof(AVCodecContext));
3900 audio_id = CODEC_ID_NONE;
3901 video_id = CODEC_ID_NONE;
3903 audio_id = stream->fmt->audio_codec;
3904 video_id = stream->fmt->video_codec;
3907 } else if (!strcasecmp(cmd, "Feed")) {
3908 get_arg(arg, sizeof(arg), &p);
3913 while (sfeed != NULL) {
3914 if (!strcmp(sfeed->filename, arg))
3916 sfeed = sfeed->next_feed;
3919 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3920 filename, line_num, arg);
3922 stream->feed = sfeed;
3924 } else if (!strcasecmp(cmd, "Format")) {
3925 get_arg(arg, sizeof(arg), &p);
3927 if (!strcmp(arg, "status")) {
3928 stream->stream_type = STREAM_TYPE_STATUS;
3931 stream->stream_type = STREAM_TYPE_LIVE;
3932 /* jpeg cannot be used here, so use single frame jpeg */
3933 if (!strcmp(arg, "jpeg"))
3934 strcpy(arg, "mjpeg");
3935 stream->fmt = guess_stream_format(arg, NULL, NULL);
3937 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3938 filename, line_num, arg);
3943 audio_id = stream->fmt->audio_codec;
3944 video_id = stream->fmt->video_codec;
3947 } else if (!strcasecmp(cmd, "InputFormat")) {
3948 get_arg(arg, sizeof(arg), &p);
3949 stream->ifmt = av_find_input_format(arg);
3950 if (!stream->ifmt) {
3951 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
3952 filename, line_num, arg);
3954 } else if (!strcasecmp(cmd, "FaviconURL")) {
3955 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
3956 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3958 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
3959 filename, line_num);
3962 } else if (!strcasecmp(cmd, "Author")) {
3964 get_arg(stream->author, sizeof(stream->author), &p);
3965 } else if (!strcasecmp(cmd, "Comment")) {
3967 get_arg(stream->comment, sizeof(stream->comment), &p);
3968 } else if (!strcasecmp(cmd, "Copyright")) {
3970 get_arg(stream->copyright, sizeof(stream->copyright), &p);
3971 } else if (!strcasecmp(cmd, "Title")) {
3973 get_arg(stream->title, sizeof(stream->title), &p);
3974 } else if (!strcasecmp(cmd, "Preroll")) {
3975 get_arg(arg, sizeof(arg), &p);
3977 stream->prebuffer = atof(arg) * 1000;
3978 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
3980 stream->send_on_key = 1;
3981 } else if (!strcasecmp(cmd, "AudioCodec")) {
3982 get_arg(arg, sizeof(arg), &p);
3983 audio_id = opt_audio_codec(arg);
3984 if (audio_id == CODEC_ID_NONE) {
3985 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
3986 filename, line_num, arg);
3989 } else if (!strcasecmp(cmd, "VideoCodec")) {
3990 get_arg(arg, sizeof(arg), &p);
3991 video_id = opt_video_codec(arg);
3992 if (video_id == CODEC_ID_NONE) {
3993 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
3994 filename, line_num, arg);
3997 } else if (!strcasecmp(cmd, "MaxTime")) {
3998 get_arg(arg, sizeof(arg), &p);
4000 stream->max_time = atof(arg) * 1000;
4001 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4002 get_arg(arg, sizeof(arg), &p);
4004 audio_enc.bit_rate = atoi(arg) * 1000;
4005 } else if (!strcasecmp(cmd, "AudioChannels")) {
4006 get_arg(arg, sizeof(arg), &p);
4008 audio_enc.channels = atoi(arg);
4009 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4010 get_arg(arg, sizeof(arg), &p);
4012 audio_enc.sample_rate = atoi(arg);
4013 } else if (!strcasecmp(cmd, "AudioQuality")) {
4014 get_arg(arg, sizeof(arg), &p);
4016 // audio_enc.quality = atof(arg) * 1000;
4018 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4020 int minrate, maxrate;
4022 get_arg(arg, sizeof(arg), &p);
4024 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4025 video_enc.rc_min_rate = minrate * 1000;
4026 video_enc.rc_max_rate = maxrate * 1000;
4028 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4029 filename, line_num, arg);
4033 } else if (!strcasecmp(cmd, "Debug")) {
4035 get_arg(arg, sizeof(arg), &p);
4036 video_enc.debug = strtol(arg,0,0);
4038 } else if (!strcasecmp(cmd, "Strict")) {
4040 get_arg(arg, sizeof(arg), &p);
4041 video_enc.strict_std_compliance = atoi(arg);
4043 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4045 get_arg(arg, sizeof(arg), &p);
4046 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4048 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4050 get_arg(arg, sizeof(arg), &p);
4051 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4053 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4054 get_arg(arg, sizeof(arg), &p);
4056 video_enc.bit_rate = atoi(arg) * 1000;
4058 } else if (!strcasecmp(cmd, "VideoSize")) {
4059 get_arg(arg, sizeof(arg), &p);
4061 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4062 if ((video_enc.width % 16) != 0 ||
4063 (video_enc.height % 16) != 0) {
4064 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4065 filename, line_num);
4069 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4070 get_arg(arg, sizeof(arg), &p);
4072 AVRational frame_rate;
4073 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4074 fprintf(stderr, "Incorrect frame rate\n");
4077 video_enc.time_base.num = frame_rate.den;
4078 video_enc.time_base.den = frame_rate.num;
4081 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4082 get_arg(arg, sizeof(arg), &p);
4084 video_enc.gop_size = atoi(arg);
4085 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4087 video_enc.gop_size = 1;
4088 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4090 video_enc.mb_decision = FF_MB_DECISION_BITS;
4091 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4093 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4094 video_enc.flags |= CODEC_FLAG_4MV;
4096 } else if (!strcasecmp(cmd, "VideoTag")) {
4097 get_arg(arg, sizeof(arg), &p);
4098 if ((strlen(arg) == 4) && stream)
4099 video_enc.codec_tag = ff_get_fourcc(arg);
4100 } else if (!strcasecmp(cmd, "BitExact")) {
4102 video_enc.flags |= CODEC_FLAG_BITEXACT;
4103 } else if (!strcasecmp(cmd, "DctFastint")) {
4105 video_enc.dct_algo = FF_DCT_FASTINT;
4106 } else if (!strcasecmp(cmd, "IdctSimple")) {
4108 video_enc.idct_algo = FF_IDCT_SIMPLE;
4109 } else if (!strcasecmp(cmd, "Qscale")) {
4110 get_arg(arg, sizeof(arg), &p);
4112 video_enc.flags |= CODEC_FLAG_QSCALE;
4113 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4115 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 video_enc.max_qdiff = atoi(arg);
4119 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4120 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4121 filename, line_num);
4125 } else if (!strcasecmp(cmd, "VideoQMax")) {
4126 get_arg(arg, sizeof(arg), &p);
4128 video_enc.qmax = atoi(arg);
4129 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4130 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4131 filename, line_num);
4135 } else if (!strcasecmp(cmd, "VideoQMin")) {
4136 get_arg(arg, sizeof(arg), &p);
4138 video_enc.qmin = atoi(arg);
4139 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4140 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4141 filename, line_num);
4145 } else if (!strcasecmp(cmd, "LumaElim")) {
4146 get_arg(arg, sizeof(arg), &p);
4148 video_enc.luma_elim_threshold = atoi(arg);
4149 } else if (!strcasecmp(cmd, "ChromaElim")) {
4150 get_arg(arg, sizeof(arg), &p);
4152 video_enc.chroma_elim_threshold = atoi(arg);
4153 } else if (!strcasecmp(cmd, "LumiMask")) {
4154 get_arg(arg, sizeof(arg), &p);
4156 video_enc.lumi_masking = atof(arg);
4157 } else if (!strcasecmp(cmd, "DarkMask")) {
4158 get_arg(arg, sizeof(arg), &p);
4160 video_enc.dark_masking = atof(arg);
4161 } else if (!strcasecmp(cmd, "NoVideo")) {
4162 video_id = CODEC_ID_NONE;
4163 } else if (!strcasecmp(cmd, "NoAudio")) {
4164 audio_id = CODEC_ID_NONE;
4165 } else if (!strcasecmp(cmd, "ACL")) {
4168 get_arg(arg, sizeof(arg), &p);
4169 if (strcasecmp(arg, "allow") == 0)
4170 acl.action = IP_ALLOW;
4171 else if (strcasecmp(arg, "deny") == 0)
4172 acl.action = IP_DENY;
4174 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4175 filename, line_num, arg);
4179 get_arg(arg, sizeof(arg), &p);
4181 if (resolve_host(&acl.first, arg) != 0) {
4182 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4183 filename, line_num, arg);
4186 acl.last = acl.first;
4188 get_arg(arg, sizeof(arg), &p);
4191 if (resolve_host(&acl.last, arg) != 0) {
4192 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4193 filename, line_num, arg);
4199 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4200 IPAddressACL **naclp = 0;
4206 naclp = &stream->acl;
4210 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4211 filename, line_num);
4217 naclp = &(*naclp)->next;
4222 } else if (!strcasecmp(cmd, "RTSPOption")) {
4223 get_arg(arg, sizeof(arg), &p);
4225 av_freep(&stream->rtsp_option);
4226 stream->rtsp_option = av_strdup(arg);
4228 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4229 get_arg(arg, sizeof(arg), &p);
4231 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4232 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4233 filename, line_num, arg);
4236 stream->is_multicast = 1;
4237 stream->loop = 1; /* default is looping */
4239 } else if (!strcasecmp(cmd, "MulticastPort")) {
4240 get_arg(arg, sizeof(arg), &p);
4242 stream->multicast_port = atoi(arg);
4243 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4244 get_arg(arg, sizeof(arg), &p);
4246 stream->multicast_ttl = atoi(arg);
4247 } else if (!strcasecmp(cmd, "NoLoop")) {
4250 } else if (!strcasecmp(cmd, "</Stream>")) {
4252 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4253 filename, line_num);
4256 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4257 if (audio_id != CODEC_ID_NONE) {
4258 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4259 audio_enc.codec_id = audio_id;
4260 add_codec(stream, &audio_enc);
4262 if (video_id != CODEC_ID_NONE) {
4263 video_enc.codec_type = CODEC_TYPE_VIDEO;
4264 video_enc.codec_id = video_id;
4265 add_codec(stream, &video_enc);
4270 } else if (!strcasecmp(cmd, "<Redirect")) {
4271 /*********************************************/
4273 if (stream || feed || redirect) {
4274 fprintf(stderr, "%s:%d: Already in a tag\n",
4275 filename, line_num);
4278 redirect = av_mallocz(sizeof(FFStream));
4279 *last_stream = redirect;
4280 last_stream = &redirect->next;
4282 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4283 q = strrchr(redirect->filename, '>');
4286 redirect->stream_type = STREAM_TYPE_REDIRECT;
4288 } else if (!strcasecmp(cmd, "URL")) {
4290 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4291 } else if (!strcasecmp(cmd, "</Redirect>")) {
4293 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4294 filename, line_num);
4297 if (!redirect->feed_filename[0]) {
4298 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4299 filename, line_num);
4304 } else if (!strcasecmp(cmd, "LoadModule")) {
4305 get_arg(arg, sizeof(arg), &p);
4309 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4310 filename, line_num, arg);
4314 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4315 filename, line_num, cmd);
4327 static void handle_child_exit(int sig)
4332 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4335 for (feed = first_feed; feed; feed = feed->next) {
4336 if (feed->pid == pid) {
4337 int uptime = time(0) - feed->pid_start;
4340 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4343 /* Turn off any more restarts */
4344 feed->child_argv = 0;
4349 need_to_start_children = 1;
4352 static void opt_debug()
4355 ffserver_daemon = 0;
4358 static void opt_show_help(void)
4360 printf("usage: ffserver [options]\n"
4361 "Hyper fast multi format Audio/Video streaming server\n");
4363 show_help_options(options, "Main options:\n", 0, 0);
4366 static const OptionDef options[] = {
4367 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4368 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4369 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4370 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4371 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4372 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4373 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4377 int main(int argc, char **argv)
4379 struct sigaction sigact;
4385 config_filename = "/etc/ffserver.conf";
4387 my_program_name = argv[0];
4388 my_program_dir = getcwd(0, 0);
4389 ffserver_daemon = 1;
4391 parse_options(argc, argv, options, NULL);
4393 putenv("http_proxy"); /* Kill the http_proxy */
4395 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4397 /* address on which the server will handle HTTP connections */
4398 my_http_addr.sin_family = AF_INET;
4399 my_http_addr.sin_port = htons (8080);
4400 my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4402 /* address on which the server will handle RTSP connections */
4403 my_rtsp_addr.sin_family = AF_INET;
4404 my_rtsp_addr.sin_port = htons (5454);
4405 my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
4407 nb_max_connections = 5;
4408 max_bandwidth = 1000;
4409 first_stream = NULL;
4410 logfilename[0] = '\0';
4412 memset(&sigact, 0, sizeof(sigact));
4413 sigact.sa_handler = handle_child_exit;
4414 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4415 sigaction(SIGCHLD, &sigact, 0);
4417 if (parse_ffconfig(config_filename) < 0) {
4418 fprintf(stderr, "Incorrect config file - exiting.\n");
4422 build_file_streams();
4424 build_feed_streams();
4426 compute_bandwidth();
4428 /* put the process in background and detach it from its TTY */
4429 if (ffserver_daemon) {
4436 } else if (pid > 0) {
4444 open("/dev/null", O_RDWR);
4445 if (strcmp(logfilename, "-") != 0) {
4455 signal(SIGPIPE, SIG_IGN);
4457 /* open log file if needed */
4458 if (logfilename[0] != '\0') {
4459 if (!strcmp(logfilename, "-"))
4462 logfile = fopen(logfilename, "a");
4465 if (http_server() < 0) {
4466 fprintf(stderr, "Could not start server\n");