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 AVStream
*st
= c
->fmt_in
->streams
[source_index
];
2103 pkt
.stream_index
= i
;
2104 if (pkt
.flags
& PKT_FLAG_KEY
&&
2105 (st
->codec
->codec_type
== CODEC_TYPE_VIDEO
||
2106 c
->stream
->nb_streams
== 1))
2107 c
->got_key_frame
= 1;
2108 if (!c
->stream
->send_on_key
|| c
->got_key_frame
)
2113 AVCodecContext
*codec
;
2116 /* specific handling for RTP: we use several
2117 output stream (one for each RTP
2118 connection). XXX: need more abstract handling */
2119 if (c
->is_packetized
) {
2121 /* compute send time and duration */
2122 st
= c
->fmt_in
->streams
[pkt
.stream_index
];
2123 c
->cur_pts
= av_rescale_q(pkt
.dts
, st
->time_base
, AV_TIME_BASE_Q
);
2124 if (st
->start_time
!= AV_NOPTS_VALUE
)
2125 c
->cur_pts
-= av_rescale_q(st
->start_time
, st
->time_base
, AV_TIME_BASE_Q
);
2126 c
->cur_frame_duration
= av_rescale_q(pkt
.duration
, st
->time_base
, AV_TIME_BASE_Q
);
2128 printf("index=%d pts=%0.3f duration=%0.6f\n",
2130 (double)c
->cur_pts
/
2132 (double)c
->cur_frame_duration
/
2135 /* find RTP context */
2136 c
->packet_stream_index
= pkt
.stream_index
;
2137 ctx
= c
->rtp_ctx
[c
->packet_stream_index
];
2139 av_free_packet(&pkt
);
2142 codec
= ctx
->streams
[0]->codec
;
2143 /* only one stream per RTP connection */
2144 pkt
.stream_index
= 0;
2148 codec
= ctx
->streams
[pkt
.stream_index
]->codec
;
2151 if (c
->is_packetized
) {
2152 int max_packet_size
;
2153 if (c
->rtp_protocol
== RTSP_PROTOCOL_RTP_TCP
)
2154 max_packet_size
= RTSP_TCP_MAX_PACKET_SIZE
;
2156 max_packet_size
= url_get_max_packet_size(c
->rtp_handles
[c
->packet_stream_index
]);
2157 ret
= url_open_dyn_packet_buf(&ctx
->pb
, max_packet_size
);
2159 ret
= url_open_dyn_buf(&ctx
->pb
);
2162 /* XXX: potential leak */
2165 c
->fmt_ctx
.pb
->is_streamed
= 1;
2166 if (pkt
.dts
!= AV_NOPTS_VALUE
)
2167 pkt
.dts
= av_rescale_q(pkt
.dts
,
2168 c
->fmt_in
->streams
[source_index
]->time_base
,
2169 ctx
->streams
[pkt
.stream_index
]->time_base
);
2170 if (pkt
.pts
!= AV_NOPTS_VALUE
)
2171 pkt
.pts
= av_rescale_q(pkt
.pts
,
2172 c
->fmt_in
->streams
[source_index
]->time_base
,
2173 ctx
->streams
[pkt
.stream_index
]->time_base
);
2174 if (av_write_frame(ctx
, &pkt
) < 0) {
2175 http_log("Error writing frame to output\n");
2176 c
->state
= HTTPSTATE_SEND_DATA_TRAILER
;
2179 len
= url_close_dyn_buf(ctx
->pb
, &c
->pb_buffer
);
2180 c
->cur_frame_bytes
= len
;
2181 c
->buffer_ptr
= c
->pb_buffer
;
2182 c
->buffer_end
= c
->pb_buffer
+ len
;
2184 codec
->frame_number
++;
2186 av_free_packet(&pkt
);
2190 av_free_packet(&pkt
);
2195 case HTTPSTATE_SEND_DATA_TRAILER
:
2196 /* last packet test ? */
2197 if (c
->last_packet_sent
|| c
->is_packetized
)
2200 /* prepare header */
2201 if (url_open_dyn_buf(&ctx
->pb
) < 0) {
2202 /* XXX: potential leak */
2205 c
->fmt_ctx
.pb
->is_streamed
= 1;
2206 av_write_trailer(ctx
);
2207 len
= url_close_dyn_buf(ctx
->pb
, &c
->pb_buffer
);
2208 c
->buffer_ptr
= c
->pb_buffer
;
2209 c
->buffer_end
= c
->pb_buffer
+ len
;
2211 c
->last_packet_sent
= 1;
2217 /* should convert the format at the same time */
2218 /* send data starting at c->buffer_ptr to the output connection
2219 (either UDP or TCP connection) */
2220 static int http_send_data(HTTPContext
*c
)
2225 if (c
->buffer_ptr
>= c
->buffer_end
) {
2226 ret
= http_prepare_data(c
);
2230 /* state change requested */
2233 if (c
->is_packetized
) {
2234 /* RTP data output */
2235 len
= c
->buffer_end
- c
->buffer_ptr
;
2237 /* fail safe - should never happen */
2239 c
->buffer_ptr
= c
->buffer_end
;
2242 len
= (c
->buffer_ptr
[0] << 24) |
2243 (c
->buffer_ptr
[1] << 16) |
2244 (c
->buffer_ptr
[2] << 8) |
2246 if (len
> (c
->buffer_end
- c
->buffer_ptr
))
2248 if ((get_packet_send_clock(c
) - get_server_clock(c
)) > 0) {
2249 /* nothing to send yet: we can wait */
2253 c
->data_count
+= len
;
2254 update_datarate(&c
->datarate
, c
->data_count
);
2256 c
->stream
->bytes_served
+= len
;
2258 if (c
->rtp_protocol
== RTSP_PROTOCOL_RTP_TCP
) {
2259 /* RTP packets are sent inside the RTSP TCP connection */
2261 int interleaved_index
, size
;
2263 HTTPContext
*rtsp_c
;
2266 /* if no RTSP connection left, error */
2269 /* if already sending something, then wait. */
2270 if (rtsp_c
->state
!= RTSPSTATE_WAIT_REQUEST
)
2272 if (url_open_dyn_buf(&pb
) < 0)
2274 interleaved_index
= c
->packet_stream_index
* 2;
2275 /* RTCP packets are sent at odd indexes */
2276 if (c
->buffer_ptr
[1] == 200)
2277 interleaved_index
++;
2278 /* write RTSP TCP header */
2280 header
[1] = interleaved_index
;
2281 header
[2] = len
>> 8;
2283 put_buffer(pb
, header
, 4);
2284 /* write RTP packet data */
2286 put_buffer(pb
, c
->buffer_ptr
, len
);
2287 size
= url_close_dyn_buf(pb
, &c
->packet_buffer
);
2288 /* prepare asynchronous TCP sending */
2289 rtsp_c
->packet_buffer_ptr
= c
->packet_buffer
;
2290 rtsp_c
->packet_buffer_end
= c
->packet_buffer
+ size
;
2291 c
->buffer_ptr
+= len
;
2293 /* send everything we can NOW */
2294 len
= send(rtsp_c
->fd
, rtsp_c
->packet_buffer_ptr
,
2295 rtsp_c
->packet_buffer_end
- rtsp_c
->packet_buffer_ptr
, 0);
2297 rtsp_c
->packet_buffer_ptr
+= len
;
2298 if (rtsp_c
->packet_buffer_ptr
< rtsp_c
->packet_buffer_end
) {
2299 /* if we could not send all the data, we will
2300 send it later, so a new state is needed to
2301 "lock" the RTSP TCP connection */
2302 rtsp_c
->state
= RTSPSTATE_SEND_PACKET
;
2305 /* all data has been sent */
2306 av_freep(&c
->packet_buffer
);
2308 /* send RTP packet directly in UDP */
2310 url_write(c
->rtp_handles
[c
->packet_stream_index
],
2311 c
->buffer_ptr
, len
);
2312 c
->buffer_ptr
+= len
;
2313 /* here we continue as we can send several packets per 10 ms slot */
2316 /* TCP data output */
2317 len
= send(c
->fd
, c
->buffer_ptr
, c
->buffer_end
- c
->buffer_ptr
, 0);
2319 if (ff_neterrno() != FF_NETERROR(EAGAIN
) &&
2320 ff_neterrno() != FF_NETERROR(EINTR
))
2321 /* error : close connection */
2326 c
->buffer_ptr
+= len
;
2328 c
->data_count
+= len
;
2329 update_datarate(&c
->datarate
, c
->data_count
);
2331 c
->stream
->bytes_served
+= len
;
2339 static int http_start_receive_data(HTTPContext
*c
)
2343 if (c
->stream
->feed_opened
)
2346 /* Don't permit writing to this one */
2347 if (c
->stream
->readonly
)
2351 fd
= open(c
->stream
->feed_filename
, O_RDWR
);
2353 http_log("Error opening feeder file: %s\n", strerror(errno
));
2358 c
->stream
->feed_write_index
= ffm_read_write_index(fd
);
2359 c
->stream
->feed_size
= lseek(fd
, 0, SEEK_END
);
2360 lseek(fd
, 0, SEEK_SET
);
2362 /* init buffer input */
2363 c
->buffer_ptr
= c
->buffer
;
2364 c
->buffer_end
= c
->buffer
+ FFM_PACKET_SIZE
;
2365 c
->stream
->feed_opened
= 1;
2369 static int http_receive_data(HTTPContext
*c
)
2373 if (c
->buffer_end
> c
->buffer_ptr
) {
2376 len
= recv(c
->fd
, c
->buffer_ptr
, c
->buffer_end
- c
->buffer_ptr
, 0);
2378 if (ff_neterrno() != FF_NETERROR(EAGAIN
) &&
2379 ff_neterrno() != FF_NETERROR(EINTR
))
2380 /* error : close connection */
2382 } else if (len
== 0)
2383 /* end of connection : close it */
2386 c
->buffer_ptr
+= len
;
2387 c
->data_count
+= len
;
2388 update_datarate(&c
->datarate
, c
->data_count
);
2392 if (c
->buffer_ptr
- c
->buffer
>= 2 && c
->data_count
> FFM_PACKET_SIZE
) {
2393 if (c
->buffer
[0] != 'f' ||
2394 c
->buffer
[1] != 'm') {
2395 http_log("Feed stream has become desynchronized -- disconnecting\n");
2400 if (c
->buffer_ptr
>= c
->buffer_end
) {
2401 FFStream
*feed
= c
->stream
;
2402 /* a packet has been received : write it in the store, except
2404 if (c
->data_count
> FFM_PACKET_SIZE
) {
2406 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2407 /* XXX: use llseek or url_seek */
2408 lseek(c
->feed_fd
, feed
->feed_write_index
, SEEK_SET
);
2409 if (write(c
->feed_fd
, c
->buffer
, FFM_PACKET_SIZE
) < 0) {
2410 http_log("Error writing to feed file: %s\n", strerror(errno
));
2414 feed
->feed_write_index
+= FFM_PACKET_SIZE
;
2415 /* update file size */
2416 if (feed
->feed_write_index
> c
->stream
->feed_size
)
2417 feed
->feed_size
= feed
->feed_write_index
;
2419 /* handle wrap around if max file size reached */
2420 if (c
->stream
->feed_max_size
&& feed
->feed_write_index
>= c
->stream
->feed_max_size
)
2421 feed
->feed_write_index
= FFM_PACKET_SIZE
;
2424 ffm_write_write_index(c
->feed_fd
, feed
->feed_write_index
);
2426 /* wake up any waiting connections */
2427 for(c1
= first_http_ctx
; c1
!= NULL
; c1
= c1
->next
) {
2428 if (c1
->state
== HTTPSTATE_WAIT_FEED
&&
2429 c1
->stream
->feed
== c
->stream
->feed
)
2430 c1
->state
= HTTPSTATE_SEND_DATA
;
2433 /* We have a header in our hands that contains useful data */
2435 AVInputFormat
*fmt_in
;
2438 memset(&s
, 0, sizeof(s
));
2440 url_open_buf(&s
.pb
, c
->buffer
, c
->buffer_end
- c
->buffer
, URL_RDONLY
);
2441 s
.pb
->is_streamed
= 1;
2443 /* use feed output format name to find corresponding input format */
2444 fmt_in
= av_find_input_format(feed
->fmt
->name
);
2448 if (fmt_in
->priv_data_size
> 0) {
2449 s
.priv_data
= av_mallocz(fmt_in
->priv_data_size
);
2455 if (fmt_in
->read_header(&s
, 0) < 0) {
2456 av_freep(&s
.priv_data
);
2460 /* Now we have the actual streams */
2461 if (s
.nb_streams
!= feed
->nb_streams
) {
2462 av_freep(&s
.priv_data
);
2465 for (i
= 0; i
< s
.nb_streams
; i
++)
2466 memcpy(feed
->streams
[i
]->codec
,
2467 s
.streams
[i
]->codec
, sizeof(AVCodecContext
));
2468 av_freep(&s
.priv_data
);
2470 c
->buffer_ptr
= c
->buffer
;
2475 c
->stream
->feed_opened
= 0;
2477 /* wake up any waiting connections to stop waiting for feed */
2478 for(c1
= first_http_ctx
; c1
!= NULL
; c1
= c1
->next
) {
2479 if (c1
->state
== HTTPSTATE_WAIT_FEED
&&
2480 c1
->stream
->feed
== c
->stream
->feed
)
2481 c1
->state
= HTTPSTATE_SEND_DATA_TRAILER
;
2486 /********************************************************************/
2489 static void rtsp_reply_header(HTTPContext
*c
, enum RTSPStatusCode error_number
)
2496 switch(error_number
) {
2497 case RTSP_STATUS_OK
:
2500 case RTSP_STATUS_METHOD
:
2501 str
= "Method Not Allowed";
2503 case RTSP_STATUS_BANDWIDTH
:
2504 str
= "Not Enough Bandwidth";
2506 case RTSP_STATUS_SESSION
:
2507 str
= "Session Not Found";
2509 case RTSP_STATUS_STATE
:
2510 str
= "Method Not Valid in This State";
2512 case RTSP_STATUS_AGGREGATE
:
2513 str
= "Aggregate operation not allowed";
2515 case RTSP_STATUS_ONLY_AGGREGATE
:
2516 str
= "Only aggregate operation allowed";
2518 case RTSP_STATUS_TRANSPORT
:
2519 str
= "Unsupported transport";
2521 case RTSP_STATUS_INTERNAL
:
2522 str
= "Internal Server Error";
2524 case RTSP_STATUS_SERVICE
:
2525 str
= "Service Unavailable";
2527 case RTSP_STATUS_VERSION
:
2528 str
= "RTSP Version not supported";
2531 str
= "Unknown Error";
2535 url_fprintf(c
->pb
, "RTSP/1.0 %d %s\r\n", error_number
, str
);
2536 url_fprintf(c
->pb
, "CSeq: %d\r\n", c
->seq
);
2538 /* output GMT time */
2542 p
= buf2
+ strlen(p
) - 1;
2545 url_fprintf(c
->pb
, "Date: %s GMT\r\n", buf2
);
2548 static void rtsp_reply_error(HTTPContext
*c
, enum RTSPStatusCode error_number
)
2550 rtsp_reply_header(c
, error_number
);
2551 url_fprintf(c
->pb
, "\r\n");
2554 static int rtsp_parse_request(HTTPContext
*c
)
2556 const char *p
, *p1
, *p2
;
2562 RTSPHeader header1
, *header
= &header1
;
2564 c
->buffer_ptr
[0] = '\0';
2567 get_word(cmd
, sizeof(cmd
), &p
);
2568 get_word(url
, sizeof(url
), &p
);
2569 get_word(protocol
, sizeof(protocol
), &p
);
2571 av_strlcpy(c
->method
, cmd
, sizeof(c
->method
));
2572 av_strlcpy(c
->url
, url
, sizeof(c
->url
));
2573 av_strlcpy(c
->protocol
, protocol
, sizeof(c
->protocol
));
2575 if (url_open_dyn_buf(&c
->pb
) < 0) {
2576 /* XXX: cannot do more */
2577 c
->pb
= NULL
; /* safety */
2581 /* check version name */
2582 if (strcmp(protocol
, "RTSP/1.0") != 0) {
2583 rtsp_reply_error(c
, RTSP_STATUS_VERSION
);
2587 /* parse each header line */
2588 memset(header
, 0, sizeof(RTSPHeader
));
2589 /* skip to next line */
2590 while (*p
!= '\n' && *p
!= '\0')
2594 while (*p
!= '\0') {
2595 p1
= strchr(p
, '\n');
2599 if (p2
> p
&& p2
[-1] == '\r')
2601 /* skip empty line */
2605 if (len
> sizeof(line
) - 1)
2606 len
= sizeof(line
) - 1;
2607 memcpy(line
, p
, len
);
2609 rtsp_parse_line(header
, line
);
2613 /* handle sequence number */
2614 c
->seq
= header
->seq
;
2616 if (!strcmp(cmd
, "DESCRIBE"))
2617 rtsp_cmd_describe(c
, url
);
2618 else if (!strcmp(cmd
, "OPTIONS"))
2619 rtsp_cmd_options(c
, url
);
2620 else if (!strcmp(cmd
, "SETUP"))
2621 rtsp_cmd_setup(c
, url
, header
);
2622 else if (!strcmp(cmd
, "PLAY"))
2623 rtsp_cmd_play(c
, url
, header
);
2624 else if (!strcmp(cmd
, "PAUSE"))
2625 rtsp_cmd_pause(c
, url
, header
);
2626 else if (!strcmp(cmd
, "TEARDOWN"))
2627 rtsp_cmd_teardown(c
, url
, header
);
2629 rtsp_reply_error(c
, RTSP_STATUS_METHOD
);
2632 len
= url_close_dyn_buf(c
->pb
, &c
->pb_buffer
);
2633 c
->pb
= NULL
; /* safety */
2635 /* XXX: cannot do more */
2638 c
->buffer_ptr
= c
->pb_buffer
;
2639 c
->buffer_end
= c
->pb_buffer
+ len
;
2640 c
->state
= RTSPSTATE_SEND_REPLY
;
2644 static int prepare_sdp_description(FFStream
*stream
, uint8_t **pbuffer
,
2645 struct in_addr my_ip
)
2647 AVFormatContext
*avc
;
2648 AVStream avs
[MAX_STREAMS
];
2651 avc
= av_alloc_format_context();
2655 if (stream
->title
[0] != 0) {
2656 av_strlcpy(avc
->title
, stream
->title
, sizeof(avc
->title
));
2658 av_strlcpy(avc
->title
, "No Title", sizeof(avc
->title
));
2660 avc
->nb_streams
= stream
->nb_streams
;
2661 if (stream
->is_multicast
) {
2662 snprintf(avc
->filename
, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2663 inet_ntoa(stream
->multicast_ip
),
2664 stream
->multicast_port
, stream
->multicast_ttl
);
2667 for(i
= 0; i
< stream
->nb_streams
; i
++) {
2668 avc
->streams
[i
] = &avs
[i
];
2669 avc
->streams
[i
]->codec
= stream
->streams
[i
]->codec
;
2671 *pbuffer
= av_mallocz(2048);
2672 avf_sdp_create(&avc
, 1, *pbuffer
, 2048);
2675 return strlen(*pbuffer
);
2678 static void rtsp_cmd_options(HTTPContext
*c
, const char *url
)
2680 // rtsp_reply_header(c, RTSP_STATUS_OK);
2681 url_fprintf(c
->pb
, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK
, "OK");
2682 url_fprintf(c
->pb
, "CSeq: %d\r\n", c
->seq
);
2683 url_fprintf(c
->pb
, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2684 url_fprintf(c
->pb
, "\r\n");
2687 static void rtsp_cmd_describe(HTTPContext
*c
, const char *url
)
2693 int content_length
, len
;
2694 struct sockaddr_in my_addr
;
2696 /* find which url is asked */
2697 url_split(NULL
, 0, NULL
, 0, NULL
, 0, NULL
, path1
, sizeof(path1
), url
);
2702 for(stream
= first_stream
; stream
!= NULL
; stream
= stream
->next
) {
2703 if (!stream
->is_feed
&&
2704 stream
->fmt
&& !strcmp(stream
->fmt
->name
, "rtp") &&
2705 !strcmp(path
, stream
->filename
)) {
2709 /* no stream found */
2710 rtsp_reply_error(c
, RTSP_STATUS_SERVICE
); /* XXX: right error ? */
2714 /* prepare the media description in sdp format */
2716 /* get the host IP */
2717 len
= sizeof(my_addr
);
2718 getsockname(c
->fd
, (struct sockaddr
*)&my_addr
, &len
);
2719 content_length
= prepare_sdp_description(stream
, &content
, my_addr
.sin_addr
);
2720 if (content_length
< 0) {
2721 rtsp_reply_error(c
, RTSP_STATUS_INTERNAL
);
2724 rtsp_reply_header(c
, RTSP_STATUS_OK
);
2725 url_fprintf(c
->pb
, "Content-Type: application/sdp\r\n");
2726 url_fprintf(c
->pb
, "Content-Length: %d\r\n", content_length
);
2727 url_fprintf(c
->pb
, "\r\n");
2728 put_buffer(c
->pb
, content
, content_length
);
2731 static HTTPContext
*find_rtp_session(const char *session_id
)
2735 if (session_id
[0] == '\0')
2738 for(c
= first_http_ctx
; c
!= NULL
; c
= c
->next
) {
2739 if (!strcmp(c
->session_id
, session_id
))
2745 static RTSPTransportField
*find_transport(RTSPHeader
*h
, enum RTSPProtocol protocol
)
2747 RTSPTransportField
*th
;
2750 for(i
=0;i
<h
->nb_transports
;i
++) {
2751 th
= &h
->transports
[i
];
2752 if (th
->protocol
== protocol
)
2758 static void rtsp_cmd_setup(HTTPContext
*c
, const char *url
,
2762 int stream_index
, port
;
2767 RTSPTransportField
*th
;
2768 struct sockaddr_in dest_addr
;
2769 RTSPActionServerSetup setup
;
2771 /* find which url is asked */
2772 url_split(NULL
, 0, NULL
, 0, NULL
, 0, NULL
, path1
, sizeof(path1
), url
);
2777 /* now check each stream */
2778 for(stream
= first_stream
; stream
!= NULL
; stream
= stream
->next
) {
2779 if (!stream
->is_feed
&&
2780 stream
->fmt
&& !strcmp(stream
->fmt
->name
, "rtp")) {
2781 /* accept aggregate filenames only if single stream */
2782 if (!strcmp(path
, stream
->filename
)) {
2783 if (stream
->nb_streams
!= 1) {
2784 rtsp_reply_error(c
, RTSP_STATUS_AGGREGATE
);
2791 for(stream_index
= 0; stream_index
< stream
->nb_streams
;
2793 snprintf(buf
, sizeof(buf
), "%s/streamid=%d",
2794 stream
->filename
, stream_index
);
2795 if (!strcmp(path
, buf
))
2800 /* no stream found */
2801 rtsp_reply_error(c
, RTSP_STATUS_SERVICE
); /* XXX: right error ? */
2805 /* generate session id if needed */
2806 if (h
->session_id
[0] == '\0')
2807 snprintf(h
->session_id
, sizeof(h
->session_id
), "%08x%08x",
2808 av_random(&random_state
), av_random(&random_state
));
2810 /* find rtp session, and create it if none found */
2811 rtp_c
= find_rtp_session(h
->session_id
);
2813 /* always prefer UDP */
2814 th
= find_transport(h
, RTSP_PROTOCOL_RTP_UDP
);
2816 th
= find_transport(h
, RTSP_PROTOCOL_RTP_TCP
);
2818 rtsp_reply_error(c
, RTSP_STATUS_TRANSPORT
);
2823 rtp_c
= rtp_new_connection(&c
->from_addr
, stream
, h
->session_id
,
2826 rtsp_reply_error(c
, RTSP_STATUS_BANDWIDTH
);
2830 /* open input stream */
2831 if (open_input_stream(rtp_c
, "") < 0) {
2832 rtsp_reply_error(c
, RTSP_STATUS_INTERNAL
);
2837 /* test if stream is OK (test needed because several SETUP needs
2838 to be done for a given file) */
2839 if (rtp_c
->stream
!= stream
) {
2840 rtsp_reply_error(c
, RTSP_STATUS_SERVICE
);
2844 /* test if stream is already set up */
2845 if (rtp_c
->rtp_ctx
[stream_index
]) {
2846 rtsp_reply_error(c
, RTSP_STATUS_STATE
);
2850 /* check transport */
2851 th
= find_transport(h
, rtp_c
->rtp_protocol
);
2852 if (!th
|| (th
->protocol
== RTSP_PROTOCOL_RTP_UDP
&&
2853 th
->client_port_min
<= 0)) {
2854 rtsp_reply_error(c
, RTSP_STATUS_TRANSPORT
);
2858 /* setup default options */
2859 setup
.transport_option
[0] = '\0';
2860 dest_addr
= rtp_c
->from_addr
;
2861 dest_addr
.sin_port
= htons(th
->client_port_min
);
2864 if (rtp_new_av_stream(rtp_c
, stream_index
, &dest_addr
, c
) < 0) {
2865 rtsp_reply_error(c
, RTSP_STATUS_TRANSPORT
);
2869 /* now everything is OK, so we can send the connection parameters */
2870 rtsp_reply_header(c
, RTSP_STATUS_OK
);
2872 url_fprintf(c
->pb
, "Session: %s\r\n", rtp_c
->session_id
);
2874 switch(rtp_c
->rtp_protocol
) {
2875 case RTSP_PROTOCOL_RTP_UDP
:
2876 port
= rtp_get_local_port(rtp_c
->rtp_handles
[stream_index
]);
2877 url_fprintf(c
->pb
, "Transport: RTP/AVP/UDP;unicast;"
2878 "client_port=%d-%d;server_port=%d-%d",
2879 th
->client_port_min
, th
->client_port_min
+ 1,
2882 case RTSP_PROTOCOL_RTP_TCP
:
2883 url_fprintf(c
->pb
, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2884 stream_index
* 2, stream_index
* 2 + 1);
2889 if (setup
.transport_option
[0] != '\0')
2890 url_fprintf(c
->pb
, ";%s", setup
.transport_option
);
2891 url_fprintf(c
->pb
, "\r\n");
2894 url_fprintf(c
->pb
, "\r\n");
2898 /* find an rtp connection by using the session ID. Check consistency
2900 static HTTPContext
*find_rtp_session_with_url(const char *url
,
2901 const char *session_id
)
2909 rtp_c
= find_rtp_session(session_id
);
2913 /* find which url is asked */
2914 url_split(NULL
, 0, NULL
, 0, NULL
, 0, NULL
, path1
, sizeof(path1
), url
);
2918 if(!strcmp(path
, rtp_c
->stream
->filename
)) return rtp_c
;
2919 for(s
=0; s
<rtp_c
->stream
->nb_streams
; ++s
) {
2920 snprintf(buf
, sizeof(buf
), "%s/streamid=%d",
2921 rtp_c
->stream
->filename
, s
);
2922 if(!strncmp(path
, buf
, sizeof(buf
))) {
2923 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2930 static void rtsp_cmd_play(HTTPContext
*c
, const char *url
, RTSPHeader
*h
)
2934 rtp_c
= find_rtp_session_with_url(url
, h
->session_id
);
2936 rtsp_reply_error(c
, RTSP_STATUS_SESSION
);
2940 if (rtp_c
->state
!= HTTPSTATE_SEND_DATA
&&
2941 rtp_c
->state
!= HTTPSTATE_WAIT_FEED
&&
2942 rtp_c
->state
!= HTTPSTATE_READY
) {
2943 rtsp_reply_error(c
, RTSP_STATUS_STATE
);
2948 /* XXX: seek in stream */
2949 if (h
->range_start
!= AV_NOPTS_VALUE
) {
2950 printf("range_start=%0.3f\n", (double)h
->range_start
/ AV_TIME_BASE
);
2951 av_seek_frame(rtp_c
->fmt_in
, -1, h
->range_start
);
2955 rtp_c
->state
= HTTPSTATE_SEND_DATA
;
2957 /* now everything is OK, so we can send the connection parameters */
2958 rtsp_reply_header(c
, RTSP_STATUS_OK
);
2960 url_fprintf(c
->pb
, "Session: %s\r\n", rtp_c
->session_id
);
2961 url_fprintf(c
->pb
, "\r\n");
2964 static void rtsp_cmd_pause(HTTPContext
*c
, const char *url
, RTSPHeader
*h
)
2968 rtp_c
= find_rtp_session_with_url(url
, h
->session_id
);
2970 rtsp_reply_error(c
, RTSP_STATUS_SESSION
);
2974 if (rtp_c
->state
!= HTTPSTATE_SEND_DATA
&&
2975 rtp_c
->state
!= HTTPSTATE_WAIT_FEED
) {
2976 rtsp_reply_error(c
, RTSP_STATUS_STATE
);
2980 rtp_c
->state
= HTTPSTATE_READY
;
2981 rtp_c
->first_pts
= AV_NOPTS_VALUE
;
2982 /* now everything is OK, so we can send the connection parameters */
2983 rtsp_reply_header(c
, RTSP_STATUS_OK
);
2985 url_fprintf(c
->pb
, "Session: %s\r\n", rtp_c
->session_id
);
2986 url_fprintf(c
->pb
, "\r\n");
2989 static void rtsp_cmd_teardown(HTTPContext
*c
, const char *url
, RTSPHeader
*h
)
2992 char session_id
[32];
2994 rtp_c
= find_rtp_session_with_url(url
, h
->session_id
);
2996 rtsp_reply_error(c
, RTSP_STATUS_SESSION
);
3000 av_strlcpy(session_id
, rtp_c
->session_id
, sizeof(session_id
));
3002 /* abort the session */
3003 close_connection(rtp_c
);
3005 /* now everything is OK, so we can send the connection parameters */
3006 rtsp_reply_header(c
, RTSP_STATUS_OK
);
3008 url_fprintf(c
->pb
, "Session: %s\r\n", session_id
);
3009 url_fprintf(c
->pb
, "\r\n");
3013 /********************************************************************/
3016 static HTTPContext
*rtp_new_connection(struct sockaddr_in
*from_addr
,
3017 FFStream
*stream
, const char *session_id
,
3018 enum RTSPProtocol rtp_protocol
)
3020 HTTPContext
*c
= NULL
;
3021 const char *proto_str
;
3023 /* XXX: should output a warning page when coming
3024 close to the connection limit */
3025 if (nb_connections
>= nb_max_connections
)
3028 /* add a new connection */
3029 c
= av_mallocz(sizeof(HTTPContext
));
3034 c
->poll_entry
= NULL
;
3035 c
->from_addr
= *from_addr
;
3036 c
->buffer_size
= IOBUFFER_INIT_SIZE
;
3037 c
->buffer
= av_malloc(c
->buffer_size
);
3042 av_strlcpy(c
->session_id
, session_id
, sizeof(c
->session_id
));
3043 c
->state
= HTTPSTATE_READY
;
3044 c
->is_packetized
= 1;
3045 c
->rtp_protocol
= rtp_protocol
;
3047 /* protocol is shown in statistics */
3048 switch(c
->rtp_protocol
) {
3049 case RTSP_PROTOCOL_RTP_UDP_MULTICAST
:
3050 proto_str
= "MCAST";
3052 case RTSP_PROTOCOL_RTP_UDP
:
3055 case RTSP_PROTOCOL_RTP_TCP
:
3062 av_strlcpy(c
->protocol
, "RTP/", sizeof(c
->protocol
));
3063 av_strlcat(c
->protocol
, proto_str
, sizeof(c
->protocol
));
3065 current_bandwidth
+= stream
->bandwidth
;
3067 c
->next
= first_http_ctx
;
3079 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3080 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3082 static int rtp_new_av_stream(HTTPContext
*c
,
3083 int stream_index
, struct sockaddr_in
*dest_addr
,
3084 HTTPContext
*rtsp_c
)
3086 AVFormatContext
*ctx
;
3089 URLContext
*h
= NULL
;
3092 int max_packet_size
;
3094 /* now we can open the relevant output stream */
3095 ctx
= av_alloc_format_context();
3098 ctx
->oformat
= guess_format("rtp", NULL
, NULL
);
3100 st
= av_mallocz(sizeof(AVStream
));
3103 st
->codec
= avcodec_alloc_context();
3104 ctx
->nb_streams
= 1;
3105 ctx
->streams
[0] = st
;
3107 if (!c
->stream
->feed
||
3108 c
->stream
->feed
== c
->stream
)
3109 memcpy(st
, c
->stream
->streams
[stream_index
], sizeof(AVStream
));
3112 c
->stream
->feed
->streams
[c
->stream
->feed_streams
[stream_index
]],
3114 st
->priv_data
= NULL
;
3116 /* build destination RTP address */
3117 ipaddr
= inet_ntoa(dest_addr
->sin_addr
);
3119 switch(c
->rtp_protocol
) {
3120 case RTSP_PROTOCOL_RTP_UDP
:
3121 case RTSP_PROTOCOL_RTP_UDP_MULTICAST
:
3124 /* XXX: also pass as parameter to function ? */
3125 if (c
->stream
->is_multicast
) {
3127 ttl
= c
->stream
->multicast_ttl
;
3130 snprintf(ctx
->filename
, sizeof(ctx
->filename
),
3131 "rtp://%s:%d?multicast=1&ttl=%d",
3132 ipaddr
, ntohs(dest_addr
->sin_port
), ttl
);
3134 snprintf(ctx
->filename
, sizeof(ctx
->filename
),
3135 "rtp://%s:%d", ipaddr
, ntohs(dest_addr
->sin_port
));
3138 if (url_open(&h
, ctx
->filename
, URL_WRONLY
) < 0)
3140 c
->rtp_handles
[stream_index
] = h
;
3141 max_packet_size
= url_get_max_packet_size(h
);
3143 case RTSP_PROTOCOL_RTP_TCP
:
3146 max_packet_size
= RTSP_TCP_MAX_PACKET_SIZE
;
3152 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3153 ipaddr
, ntohs(dest_addr
->sin_port
),
3155 c
->stream
->filename
, stream_index
, c
->protocol
);
3157 /* normally, no packets should be output here, but the packet size may be checked */
3158 if (url_open_dyn_packet_buf(&ctx
->pb
, max_packet_size
) < 0) {
3159 /* XXX: close stream */
3162 av_set_parameters(ctx
, NULL
);
3163 if (av_write_header(ctx
) < 0) {
3170 url_close_dyn_buf(ctx
->pb
, &dummy_buf
);
3173 c
->rtp_ctx
[stream_index
] = ctx
;
3177 /********************************************************************/
3178 /* ffserver initialization */
3180 static AVStream
*add_av_stream1(FFStream
*stream
, AVCodecContext
*codec
)
3184 fst
= av_mallocz(sizeof(AVStream
));
3187 fst
->codec
= avcodec_alloc_context();
3188 fst
->priv_data
= av_mallocz(sizeof(FeedData
));
3189 memcpy(fst
->codec
, codec
, sizeof(AVCodecContext
));
3190 fst
->index
= stream
->nb_streams
;
3191 av_set_pts_info(fst
, 33, 1, 90000);
3192 stream
->streams
[stream
->nb_streams
++] = fst
;
3196 /* return the stream number in the feed */
3197 static int add_av_stream(FFStream
*feed
, AVStream
*st
)
3200 AVCodecContext
*av
, *av1
;
3204 for(i
=0;i
<feed
->nb_streams
;i
++) {
3205 st
= feed
->streams
[i
];
3207 if (av1
->codec_id
== av
->codec_id
&&
3208 av1
->codec_type
== av
->codec_type
&&
3209 av1
->bit_rate
== av
->bit_rate
) {
3211 switch(av
->codec_type
) {
3212 case CODEC_TYPE_AUDIO
:
3213 if (av1
->channels
== av
->channels
&&
3214 av1
->sample_rate
== av
->sample_rate
)
3217 case CODEC_TYPE_VIDEO
:
3218 if (av1
->width
== av
->width
&&
3219 av1
->height
== av
->height
&&
3220 av1
->time_base
.den
== av
->time_base
.den
&&
3221 av1
->time_base
.num
== av
->time_base
.num
&&
3222 av1
->gop_size
== av
->gop_size
)
3231 fst
= add_av_stream1(feed
, av
);
3234 return feed
->nb_streams
- 1;
3239 static void remove_stream(FFStream
*stream
)
3243 while (*ps
!= NULL
) {
3251 /* specific mpeg4 handling : we extract the raw parameters */
3252 static void extract_mpeg4_header(AVFormatContext
*infile
)
3254 int mpeg4_count
, i
, size
;
3260 for(i
=0;i
<infile
->nb_streams
;i
++) {
3261 st
= infile
->streams
[i
];
3262 if (st
->codec
->codec_id
== CODEC_ID_MPEG4
&&
3263 st
->codec
->extradata_size
== 0) {
3270 printf("MPEG4 without extra data: trying to find header in %s\n", infile
->filename
);
3271 while (mpeg4_count
> 0) {
3272 if (av_read_packet(infile
, &pkt
) < 0)
3274 st
= infile
->streams
[pkt
.stream_index
];
3275 if (st
->codec
->codec_id
== CODEC_ID_MPEG4
&&
3276 st
->codec
->extradata_size
== 0) {
3277 av_freep(&st
->codec
->extradata
);
3278 /* fill extradata with the header */
3279 /* XXX: we make hard suppositions here ! */
3281 while (p
< pkt
.data
+ pkt
.size
- 4) {
3282 /* stop when vop header is found */
3283 if (p
[0] == 0x00 && p
[1] == 0x00 &&
3284 p
[2] == 0x01 && p
[3] == 0xb6) {
3285 size
= p
- pkt
.data
;
3286 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3287 st
->codec
->extradata
= av_malloc(size
);
3288 st
->codec
->extradata_size
= size
;
3289 memcpy(st
->codec
->extradata
, pkt
.data
, size
);
3296 av_free_packet(&pkt
);
3300 /* compute the needed AVStream for each file */
3301 static void build_file_streams(void)
3303 FFStream
*stream
, *stream_next
;
3304 AVFormatContext
*infile
;
3307 /* gather all streams */
3308 for(stream
= first_stream
; stream
!= NULL
; stream
= stream_next
) {
3309 stream_next
= stream
->next
;
3310 if (stream
->stream_type
== STREAM_TYPE_LIVE
&&
3312 /* the stream comes from a file */
3313 /* try to open the file */
3315 stream
->ap_in
= av_mallocz(sizeof(AVFormatParameters
));
3316 if (stream
->fmt
&& !strcmp(stream
->fmt
->name
, "rtp")) {
3317 /* specific case : if transport stream output to RTP,
3318 we use a raw transport stream reader */
3319 stream
->ap_in
->mpeg2ts_raw
= 1;
3320 stream
->ap_in
->mpeg2ts_compute_pcr
= 1;
3323 if ((ret
= av_open_input_file(&infile
, stream
->feed_filename
,
3324 stream
->ifmt
, 0, stream
->ap_in
)) < 0) {
3325 http_log("could not open %s: %d\n", stream
->feed_filename
, ret
);
3326 /* remove stream (no need to spend more time on it) */
3328 remove_stream(stream
);
3330 /* find all the AVStreams inside and reference them in
3332 if (av_find_stream_info(infile
) < 0) {
3333 http_log("Could not find codec parameters from '%s'\n",
3334 stream
->feed_filename
);
3335 av_close_input_file(infile
);
3338 extract_mpeg4_header(infile
);
3340 for(i
=0;i
<infile
->nb_streams
;i
++)
3341 add_av_stream1(stream
, infile
->streams
[i
]->codec
);
3343 av_close_input_file(infile
);
3349 /* compute the needed AVStream for each feed */
3350 static void build_feed_streams(void)
3352 FFStream
*stream
, *feed
;
3355 /* gather all streams */
3356 for(stream
= first_stream
; stream
!= NULL
; stream
= stream
->next
) {
3357 feed
= stream
->feed
;
3359 if (!stream
->is_feed
) {
3360 /* we handle a stream coming from a feed */
3361 for(i
=0;i
<stream
->nb_streams
;i
++)
3362 stream
->feed_streams
[i
] = add_av_stream(feed
, stream
->streams
[i
]);
3367 /* gather all streams */
3368 for(stream
= first_stream
; stream
!= NULL
; stream
= stream
->next
) {
3369 feed
= stream
->feed
;
3371 if (stream
->is_feed
) {
3372 for(i
=0;i
<stream
->nb_streams
;i
++)
3373 stream
->feed_streams
[i
] = i
;
3378 /* create feed files if needed */
3379 for(feed
= first_feed
; feed
!= NULL
; feed
= feed
->next_feed
) {
3382 if (url_exist(feed
->feed_filename
)) {
3383 /* See if it matches */
3387 if (av_open_input_file(&s
, feed
->feed_filename
, NULL
, FFM_PACKET_SIZE
, NULL
) >= 0) {
3388 /* Now see if it matches */
3389 if (s
->nb_streams
== feed
->nb_streams
) {
3391 for(i
=0;i
<s
->nb_streams
;i
++) {
3393 sf
= feed
->streams
[i
];
3396 if (sf
->index
!= ss
->index
||
3398 printf("Index & Id do not match for stream %d (%s)\n",
3399 i
, feed
->feed_filename
);
3402 AVCodecContext
*ccf
, *ccs
;
3406 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3408 if (CHECK_CODEC(codec
) || CHECK_CODEC(codec_type
)) {
3409 printf("Codecs do not match for stream %d\n", i
);
3411 } else if (CHECK_CODEC(bit_rate
) || CHECK_CODEC(flags
)) {
3412 printf("Codec bitrates do not match for stream %d\n", i
);
3414 } else if (ccf
->codec_type
== CODEC_TYPE_VIDEO
) {
3415 if (CHECK_CODEC(time_base
.den
) ||
3416 CHECK_CODEC(time_base
.num
) ||
3417 CHECK_CODEC(width
) ||
3418 CHECK_CODEC(height
)) {
3419 printf("Codec width, height and framerate do not match for stream %d\n", i
);
3422 } else if (ccf
->codec_type
== CODEC_TYPE_AUDIO
) {
3423 if (CHECK_CODEC(sample_rate
) ||
3424 CHECK_CODEC(channels
) ||
3425 CHECK_CODEC(frame_size
)) {
3426 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i
);
3430 printf("Unknown codec type\n");
3438 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3439 feed
->feed_filename
, s
->nb_streams
, feed
->nb_streams
);
3441 av_close_input_file(s
);
3443 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3444 feed
->feed_filename
);
3447 if (feed
->readonly
) {
3448 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3449 feed
->feed_filename
);
3452 unlink(feed
->feed_filename
);
3455 if (!url_exist(feed
->feed_filename
)) {
3456 AVFormatContext s1
, *s
= &s1
;
3458 if (feed
->readonly
) {
3459 printf("Unable to create feed file '%s' as it is marked readonly\n",
3460 feed
->feed_filename
);
3464 /* only write the header of the ffm file */
3465 if (url_fopen(&s
->pb
, feed
->feed_filename
, URL_WRONLY
) < 0) {
3466 fprintf(stderr
, "Could not open output feed file '%s'\n",
3467 feed
->feed_filename
);
3470 s
->oformat
= feed
->fmt
;
3471 s
->nb_streams
= feed
->nb_streams
;
3472 for(i
=0;i
<s
->nb_streams
;i
++) {
3474 st
= feed
->streams
[i
];
3477 av_set_parameters(s
, NULL
);
3478 if (av_write_header(s
) < 0) {
3479 fprintf(stderr
, "Container doesn't supports the required parameters\n");
3482 /* XXX: need better api */
3483 av_freep(&s
->priv_data
);
3486 /* get feed size and write index */
3487 fd
= open(feed
->feed_filename
, O_RDONLY
);
3489 fprintf(stderr
, "Could not open output feed file '%s'\n",
3490 feed
->feed_filename
);
3494 feed
->feed_write_index
= ffm_read_write_index(fd
);
3495 feed
->feed_size
= lseek(fd
, 0, SEEK_END
);
3496 /* ensure that we do not wrap before the end of file */
3497 if (feed
->feed_max_size
&& feed
->feed_max_size
< feed
->feed_size
)
3498 feed
->feed_max_size
= feed
->feed_size
;
3504 /* compute the bandwidth used by each stream */
3505 static void compute_bandwidth(void)
3510 for(stream
= first_stream
; stream
!= NULL
; stream
= stream
->next
) {
3512 for(i
=0;i
<stream
->nb_streams
;i
++) {
3513 AVStream
*st
= stream
->streams
[i
];
3514 switch(st
->codec
->codec_type
) {
3515 case CODEC_TYPE_AUDIO
:
3516 case CODEC_TYPE_VIDEO
:
3517 bandwidth
+= st
->codec
->bit_rate
;
3523 stream
->bandwidth
= (bandwidth
+ 999) / 1000;
3527 static void get_arg(char *buf
, int buf_size
, const char **pp
)
3534 while (isspace(*p
)) p
++;
3537 if (*p
== '\"' || *p
== '\'')
3549 if ((q
- buf
) < buf_size
- 1)
3554 if (quote
&& *p
== quote
)
3559 /* add a codec and set the default parameters */
3560 static void add_codec(FFStream
*stream
, AVCodecContext
*av
)
3564 /* compute default parameters */
3565 switch(av
->codec_type
) {
3566 case CODEC_TYPE_AUDIO
:
3567 if (av
->bit_rate
== 0)
3568 av
->bit_rate
= 64000;
3569 if (av
->sample_rate
== 0)
3570 av
->sample_rate
= 22050;
3571 if (av
->channels
== 0)
3574 case CODEC_TYPE_VIDEO
:
3575 if (av
->bit_rate
== 0)
3576 av
->bit_rate
= 64000;
3577 if (av
->time_base
.num
== 0){
3578 av
->time_base
.den
= 5;
3579 av
->time_base
.num
= 1;
3581 if (av
->width
== 0 || av
->height
== 0) {
3585 /* Bitrate tolerance is less for streaming */
3586 if (av
->bit_rate_tolerance
== 0)
3587 av
->bit_rate_tolerance
= FFMAX(av
->bit_rate
/ 4,
3588 (int64_t)av
->bit_rate
*av
->time_base
.num
/av
->time_base
.den
);
3593 if (av
->max_qdiff
== 0)
3595 av
->qcompress
= 0.5;
3598 if (!av
->nsse_weight
)
3599 av
->nsse_weight
= 8;
3601 av
->frame_skip_cmp
= FF_CMP_DCTMAX
;
3602 av
->me_method
= ME_EPZS
;
3603 av
->rc_buffer_aggressivity
= 1.0;
3606 av
->rc_eq
= "tex^qComp";
3607 if (!av
->i_quant_factor
)
3608 av
->i_quant_factor
= -0.8;
3609 if (!av
->b_quant_factor
)
3610 av
->b_quant_factor
= 1.25;
3611 if (!av
->b_quant_offset
)
3612 av
->b_quant_offset
= 1.25;
3613 if (!av
->rc_max_rate
)
3614 av
->rc_max_rate
= av
->bit_rate
* 2;
3616 if (av
->rc_max_rate
&& !av
->rc_buffer_size
) {
3617 av
->rc_buffer_size
= av
->rc_max_rate
;
3626 st
= av_mallocz(sizeof(AVStream
));
3629 st
->codec
= avcodec_alloc_context();
3630 stream
->streams
[stream
->nb_streams
++] = st
;
3631 memcpy(st
->codec
, av
, sizeof(AVCodecContext
));
3634 static int opt_audio_codec(const char *arg
)
3636 AVCodec
*p
= avcodec_find_encoder_by_name(arg
);
3638 if (p
== NULL
|| p
->type
!= CODEC_TYPE_AUDIO
)
3639 return CODEC_ID_NONE
;
3644 static int opt_video_codec(const char *arg
)
3646 AVCodec
*p
= avcodec_find_encoder_by_name(arg
);
3648 if (p
== NULL
|| p
->type
!= CODEC_TYPE_VIDEO
)
3649 return CODEC_ID_NONE
;
3654 /* simplistic plugin support */
3657 static void load_module(const char *filename
)
3660 void (*init_func
)(void);
3661 dll
= dlopen(filename
, RTLD_NOW
);
3663 fprintf(stderr
, "Could not load module '%s' - %s\n",
3664 filename
, dlerror());
3668 init_func
= dlsym(dll
, "ffserver_module_init");
3671 "%s: init function 'ffserver_module_init()' not found\n",
3680 static int parse_ffconfig(const char *filename
)
3687 int val
, errors
, line_num
;
3688 FFStream
**last_stream
, *stream
, *redirect
;
3689 FFStream
**last_feed
, *feed
;
3690 AVCodecContext audio_enc
, video_enc
;
3691 int audio_id
, video_id
;
3693 f
= fopen(filename
, "r");
3701 first_stream
= NULL
;
3702 last_stream
= &first_stream
;
3704 last_feed
= &first_feed
;
3708 audio_id
= CODEC_ID_NONE
;
3709 video_id
= CODEC_ID_NONE
;
3711 if (fgets(line
, sizeof(line
), f
) == NULL
)
3717 if (*p
== '\0' || *p
== '#')
3720 get_arg(cmd
, sizeof(cmd
), &p
);
3722 if (!strcasecmp(cmd
, "Port")) {
3723 get_arg(arg
, sizeof(arg
), &p
);
3725 if (val
< 1 || val
> 65536) {
3726 fprintf(stderr
, "%s:%d: Invalid port: %s\n",
3727 filename
, line_num
, arg
);
3730 my_http_addr
.sin_port
= htons(val
);
3731 } else if (!strcasecmp(cmd
, "BindAddress")) {
3732 get_arg(arg
, sizeof(arg
), &p
);
3733 if (resolve_host(&my_http_addr
.sin_addr
, arg
) != 0) {
3734 fprintf(stderr
, "%s:%d: Invalid host/IP address: %s\n",
3735 filename
, line_num
, arg
);
3738 } else if (!strcasecmp(cmd
, "NoDaemon")) {
3739 ffserver_daemon
= 0;
3740 } else if (!strcasecmp(cmd
, "RTSPPort")) {
3741 get_arg(arg
, sizeof(arg
), &p
);
3743 if (val
< 1 || val
> 65536) {
3744 fprintf(stderr
, "%s:%d: Invalid port: %s\n",
3745 filename
, line_num
, arg
);
3748 my_rtsp_addr
.sin_port
= htons(atoi(arg
));
3749 } else if (!strcasecmp(cmd
, "RTSPBindAddress")) {
3750 get_arg(arg
, sizeof(arg
), &p
);
3751 if (resolve_host(&my_rtsp_addr
.sin_addr
, arg
) != 0) {
3752 fprintf(stderr
, "%s:%d: Invalid host/IP address: %s\n",
3753 filename
, line_num
, arg
);
3756 } else if (!strcasecmp(cmd
, "MaxClients")) {
3757 get_arg(arg
, sizeof(arg
), &p
);
3759 if (val
< 1 || val
> HTTP_MAX_CONNECTIONS
) {
3760 fprintf(stderr
, "%s:%d: Invalid MaxClients: %s\n",
3761 filename
, line_num
, arg
);
3764 nb_max_connections
= val
;
3766 } else if (!strcasecmp(cmd
, "MaxBandwidth")) {
3767 get_arg(arg
, sizeof(arg
), &p
);
3769 if (val
< 10 || val
> 100000) {
3770 fprintf(stderr
, "%s:%d: Invalid MaxBandwidth: %s\n",
3771 filename
, line_num
, arg
);
3774 max_bandwidth
= val
;
3775 } else if (!strcasecmp(cmd
, "CustomLog")) {
3776 get_arg(logfilename
, sizeof(logfilename
), &p
);
3777 } else if (!strcasecmp(cmd
, "<Feed")) {
3778 /*********************************************/
3779 /* Feed related options */
3781 if (stream
|| feed
) {
3782 fprintf(stderr
, "%s:%d: Already in a tag\n",
3783 filename
, line_num
);
3785 feed
= av_mallocz(sizeof(FFStream
));
3786 /* add in stream list */
3787 *last_stream
= feed
;
3788 last_stream
= &feed
->next
;
3789 /* add in feed list */
3791 last_feed
= &feed
->next_feed
;
3793 get_arg(feed
->filename
, sizeof(feed
->filename
), &p
);
3794 q
= strrchr(feed
->filename
, '>');
3797 feed
->fmt
= guess_format("ffm", NULL
, NULL
);
3798 /* defaut feed file */
3799 snprintf(feed
->feed_filename
, sizeof(feed
->feed_filename
),
3800 "/tmp/%s.ffm", feed
->filename
);
3801 feed
->feed_max_size
= 5 * 1024 * 1024;
3803 feed
->feed
= feed
; /* self feeding :-) */
3805 } else if (!strcasecmp(cmd
, "Launch")) {
3809 feed
->child_argv
= av_mallocz(64 * sizeof(char *));
3811 for (i
= 0; i
< 62; i
++) {
3812 get_arg(arg
, sizeof(arg
), &p
);
3816 feed
->child_argv
[i
] = av_strdup(arg
);
3819 feed
->child_argv
[i
] = av_malloc(30 + strlen(feed
->filename
));
3821 snprintf(feed
->child_argv
[i
], 30+strlen(feed
->filename
),
3823 (my_http_addr
.sin_addr
.s_addr
== INADDR_ANY
) ? "127.0.0.1" :
3824 inet_ntoa(my_http_addr
.sin_addr
),
3825 ntohs(my_http_addr
.sin_port
), feed
->filename
);
3830 fprintf(stdout
, "Launch commandline: ");
3831 for (j
= 0; j
<= i
; j
++)
3832 fprintf(stdout
, "%s ", feed
->child_argv
[j
]);
3833 fprintf(stdout
, "\n");
3836 } else if (!strcasecmp(cmd
, "ReadOnlyFile")) {
3838 get_arg(feed
->feed_filename
, sizeof(feed
->feed_filename
), &p
);
3840 } else if (stream
) {
3841 get_arg(stream
->feed_filename
, sizeof(stream
->feed_filename
), &p
);
3843 } else if (!strcasecmp(cmd
, "File")) {
3845 get_arg(feed
->feed_filename
, sizeof(feed
->feed_filename
), &p
);
3847 get_arg(stream
->feed_filename
, sizeof(stream
->feed_filename
), &p
);
3848 } else if (!strcasecmp(cmd
, "FileMaxSize")) {
3853 get_arg(arg
, sizeof(arg
), &p
);
3855 fsize
= strtod(p1
, &p1
);
3856 switch(toupper(*p1
)) {
3861 fsize
*= 1024 * 1024;
3864 fsize
*= 1024 * 1024 * 1024;
3867 feed
->feed_max_size
= (int64_t)fsize
;
3869 } else if (!strcasecmp(cmd
, "</Feed>")) {
3871 fprintf(stderr
, "%s:%d: No corresponding <Feed> for </Feed>\n",
3872 filename
, line_num
);
3876 } else if (!strcasecmp(cmd
, "<Stream")) {
3877 /*********************************************/
3878 /* Stream related options */
3880 if (stream
|| feed
) {
3881 fprintf(stderr
, "%s:%d: Already in a tag\n",
3882 filename
, line_num
);
3884 stream
= av_mallocz(sizeof(FFStream
));
3885 *last_stream
= stream
;
3886 last_stream
= &stream
->next
;
3888 get_arg(stream
->filename
, sizeof(stream
->filename
), &p
);
3889 q
= strrchr(stream
->filename
, '>');
3892 stream
->fmt
= guess_stream_format(NULL
, stream
->filename
, NULL
);
3893 memset(&audio_enc
, 0, sizeof(AVCodecContext
));
3894 memset(&video_enc
, 0, sizeof(AVCodecContext
));
3895 audio_id
= CODEC_ID_NONE
;
3896 video_id
= CODEC_ID_NONE
;
3898 audio_id
= stream
->fmt
->audio_codec
;
3899 video_id
= stream
->fmt
->video_codec
;
3902 } else if (!strcasecmp(cmd
, "Feed")) {
3903 get_arg(arg
, sizeof(arg
), &p
);
3908 while (sfeed
!= NULL
) {
3909 if (!strcmp(sfeed
->filename
, arg
))
3911 sfeed
= sfeed
->next_feed
;
3914 fprintf(stderr
, "%s:%d: feed '%s' not defined\n",
3915 filename
, line_num
, arg
);
3917 stream
->feed
= sfeed
;
3919 } else if (!strcasecmp(cmd
, "Format")) {
3920 get_arg(arg
, sizeof(arg
), &p
);
3922 if (!strcmp(arg
, "status")) {
3923 stream
->stream_type
= STREAM_TYPE_STATUS
;
3926 stream
->stream_type
= STREAM_TYPE_LIVE
;
3927 /* jpeg cannot be used here, so use single frame jpeg */
3928 if (!strcmp(arg
, "jpeg"))
3929 strcpy(arg
, "mjpeg");
3930 stream
->fmt
= guess_stream_format(arg
, NULL
, NULL
);
3932 fprintf(stderr
, "%s:%d: Unknown Format: %s\n",
3933 filename
, line_num
, arg
);
3938 audio_id
= stream
->fmt
->audio_codec
;
3939 video_id
= stream
->fmt
->video_codec
;
3942 } else if (!strcasecmp(cmd
, "InputFormat")) {
3943 get_arg(arg
, sizeof(arg
), &p
);
3944 stream
->ifmt
= av_find_input_format(arg
);
3945 if (!stream
->ifmt
) {
3946 fprintf(stderr
, "%s:%d: Unknown input format: %s\n",
3947 filename
, line_num
, arg
);
3949 } else if (!strcasecmp(cmd
, "FaviconURL")) {
3950 if (stream
&& stream
->stream_type
== STREAM_TYPE_STATUS
) {
3951 get_arg(stream
->feed_filename
, sizeof(stream
->feed_filename
), &p
);
3953 fprintf(stderr
, "%s:%d: FaviconURL only permitted for status streams\n",
3954 filename
, line_num
);
3957 } else if (!strcasecmp(cmd
, "Author")) {
3959 get_arg(stream
->author
, sizeof(stream
->author
), &p
);
3960 } else if (!strcasecmp(cmd
, "Comment")) {
3962 get_arg(stream
->comment
, sizeof(stream
->comment
), &p
);
3963 } else if (!strcasecmp(cmd
, "Copyright")) {
3965 get_arg(stream
->copyright
, sizeof(stream
->copyright
), &p
);
3966 } else if (!strcasecmp(cmd
, "Title")) {
3968 get_arg(stream
->title
, sizeof(stream
->title
), &p
);
3969 } else if (!strcasecmp(cmd
, "Preroll")) {
3970 get_arg(arg
, sizeof(arg
), &p
);
3972 stream
->prebuffer
= atof(arg
) * 1000;
3973 } else if (!strcasecmp(cmd
, "StartSendOnKey")) {
3975 stream
->send_on_key
= 1;
3976 } else if (!strcasecmp(cmd
, "AudioCodec")) {
3977 get_arg(arg
, sizeof(arg
), &p
);
3978 audio_id
= opt_audio_codec(arg
);
3979 if (audio_id
== CODEC_ID_NONE
) {
3980 fprintf(stderr
, "%s:%d: Unknown AudioCodec: %s\n",
3981 filename
, line_num
, arg
);
3984 } else if (!strcasecmp(cmd
, "VideoCodec")) {
3985 get_arg(arg
, sizeof(arg
), &p
);
3986 video_id
= opt_video_codec(arg
);
3987 if (video_id
== CODEC_ID_NONE
) {
3988 fprintf(stderr
, "%s:%d: Unknown VideoCodec: %s\n",
3989 filename
, line_num
, arg
);
3992 } else if (!strcasecmp(cmd
, "MaxTime")) {
3993 get_arg(arg
, sizeof(arg
), &p
);
3995 stream
->max_time
= atof(arg
) * 1000;
3996 } else if (!strcasecmp(cmd
, "AudioBitRate")) {
3997 get_arg(arg
, sizeof(arg
), &p
);
3999 audio_enc
.bit_rate
= atoi(arg
) * 1000;
4000 } else if (!strcasecmp(cmd
, "AudioChannels")) {
4001 get_arg(arg
, sizeof(arg
), &p
);
4003 audio_enc
.channels
= atoi(arg
);
4004 } else if (!strcasecmp(cmd
, "AudioSampleRate")) {
4005 get_arg(arg
, sizeof(arg
), &p
);
4007 audio_enc
.sample_rate
= atoi(arg
);
4008 } else if (!strcasecmp(cmd
, "AudioQuality")) {
4009 get_arg(arg
, sizeof(arg
), &p
);
4011 // audio_enc.quality = atof(arg) * 1000;
4013 } else if (!strcasecmp(cmd
, "VideoBitRateRange")) {
4015 int minrate
, maxrate
;
4017 get_arg(arg
, sizeof(arg
), &p
);
4019 if (sscanf(arg
, "%d-%d", &minrate
, &maxrate
) == 2) {
4020 video_enc
.rc_min_rate
= minrate
* 1000;
4021 video_enc
.rc_max_rate
= maxrate
* 1000;
4023 fprintf(stderr
, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4024 filename
, line_num
, arg
);
4028 } else if (!strcasecmp(cmd
, "Debug")) {
4030 get_arg(arg
, sizeof(arg
), &p
);
4031 video_enc
.debug
= strtol(arg
,0,0);
4033 } else if (!strcasecmp(cmd
, "Strict")) {
4035 get_arg(arg
, sizeof(arg
), &p
);
4036 video_enc
.strict_std_compliance
= atoi(arg
);
4038 } else if (!strcasecmp(cmd
, "VideoBufferSize")) {
4040 get_arg(arg
, sizeof(arg
), &p
);
4041 video_enc
.rc_buffer_size
= atoi(arg
) * 8*1024;
4043 } else if (!strcasecmp(cmd
, "VideoBitRateTolerance")) {
4045 get_arg(arg
, sizeof(arg
), &p
);
4046 video_enc
.bit_rate_tolerance
= atoi(arg
) * 1000;
4048 } else if (!strcasecmp(cmd
, "VideoBitRate")) {
4049 get_arg(arg
, sizeof(arg
), &p
);
4051 video_enc
.bit_rate
= atoi(arg
) * 1000;
4053 } else if (!strcasecmp(cmd
, "VideoSize")) {
4054 get_arg(arg
, sizeof(arg
), &p
);
4056 av_parse_video_frame_size(&video_enc
.width
, &video_enc
.height
, arg
);
4057 if ((video_enc
.width
% 16) != 0 ||
4058 (video_enc
.height
% 16) != 0) {
4059 fprintf(stderr
, "%s:%d: Image size must be a multiple of 16\n",
4060 filename
, line_num
);
4064 } else if (!strcasecmp(cmd
, "VideoFrameRate")) {
4065 get_arg(arg
, sizeof(arg
), &p
);
4067 AVRational frame_rate
;
4068 if (av_parse_video_frame_rate(&frame_rate
, arg
) < 0) {
4069 fprintf(stderr
, "Incorrect frame rate\n");
4072 video_enc
.time_base
.num
= frame_rate
.den
;
4073 video_enc
.time_base
.den
= frame_rate
.num
;
4076 } else if (!strcasecmp(cmd
, "VideoGopSize")) {
4077 get_arg(arg
, sizeof(arg
), &p
);
4079 video_enc
.gop_size
= atoi(arg
);
4080 } else if (!strcasecmp(cmd
, "VideoIntraOnly")) {
4082 video_enc
.gop_size
= 1;
4083 } else if (!strcasecmp(cmd
, "VideoHighQuality")) {
4085 video_enc
.mb_decision
= FF_MB_DECISION_BITS
;
4086 } else if (!strcasecmp(cmd
, "Video4MotionVector")) {
4088 video_enc
.mb_decision
= FF_MB_DECISION_BITS
; //FIXME remove
4089 video_enc
.flags
|= CODEC_FLAG_4MV
;
4091 } else if (!strcasecmp(cmd
, "VideoTag")) {
4092 get_arg(arg
, sizeof(arg
), &p
);
4093 if ((strlen(arg
) == 4) && stream
)
4094 video_enc
.codec_tag
= ff_get_fourcc(arg
);
4095 } else if (!strcasecmp(cmd
, "BitExact")) {
4097 video_enc
.flags
|= CODEC_FLAG_BITEXACT
;
4098 } else if (!strcasecmp(cmd
, "DctFastint")) {
4100 video_enc
.dct_algo
= FF_DCT_FASTINT
;
4101 } else if (!strcasecmp(cmd
, "IdctSimple")) {
4103 video_enc
.idct_algo
= FF_IDCT_SIMPLE
;
4104 } else if (!strcasecmp(cmd
, "Qscale")) {
4105 get_arg(arg
, sizeof(arg
), &p
);
4107 video_enc
.flags
|= CODEC_FLAG_QSCALE
;
4108 video_enc
.global_quality
= FF_QP2LAMBDA
* atoi(arg
);
4110 } else if (!strcasecmp(cmd
, "VideoQDiff")) {
4111 get_arg(arg
, sizeof(arg
), &p
);
4113 video_enc
.max_qdiff
= atoi(arg
);
4114 if (video_enc
.max_qdiff
< 1 || video_enc
.max_qdiff
> 31) {
4115 fprintf(stderr
, "%s:%d: VideoQDiff out of range\n",
4116 filename
, line_num
);
4120 } else if (!strcasecmp(cmd
, "VideoQMax")) {
4121 get_arg(arg
, sizeof(arg
), &p
);
4123 video_enc
.qmax
= atoi(arg
);
4124 if (video_enc
.qmax
< 1 || video_enc
.qmax
> 31) {
4125 fprintf(stderr
, "%s:%d: VideoQMax out of range\n",
4126 filename
, line_num
);
4130 } else if (!strcasecmp(cmd
, "VideoQMin")) {
4131 get_arg(arg
, sizeof(arg
), &p
);
4133 video_enc
.qmin
= atoi(arg
);
4134 if (video_enc
.qmin
< 1 || video_enc
.qmin
> 31) {
4135 fprintf(stderr
, "%s:%d: VideoQMin out of range\n",
4136 filename
, line_num
);
4140 } else if (!strcasecmp(cmd
, "LumaElim")) {
4141 get_arg(arg
, sizeof(arg
), &p
);
4143 video_enc
.luma_elim_threshold
= atoi(arg
);
4144 } else if (!strcasecmp(cmd
, "ChromaElim")) {
4145 get_arg(arg
, sizeof(arg
), &p
);
4147 video_enc
.chroma_elim_threshold
= atoi(arg
);
4148 } else if (!strcasecmp(cmd
, "LumiMask")) {
4149 get_arg(arg
, sizeof(arg
), &p
);
4151 video_enc
.lumi_masking
= atof(arg
);
4152 } else if (!strcasecmp(cmd
, "DarkMask")) {
4153 get_arg(arg
, sizeof(arg
), &p
);
4155 video_enc
.dark_masking
= atof(arg
);
4156 } else if (!strcasecmp(cmd
, "NoVideo")) {
4157 video_id
= CODEC_ID_NONE
;
4158 } else if (!strcasecmp(cmd
, "NoAudio")) {
4159 audio_id
= CODEC_ID_NONE
;
4160 } else if (!strcasecmp(cmd
, "ACL")) {
4163 get_arg(arg
, sizeof(arg
), &p
);
4164 if (strcasecmp(arg
, "allow") == 0)
4165 acl
.action
= IP_ALLOW
;
4166 else if (strcasecmp(arg
, "deny") == 0)
4167 acl
.action
= IP_DENY
;
4169 fprintf(stderr
, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4170 filename
, line_num
, arg
);
4174 get_arg(arg
, sizeof(arg
), &p
);
4176 if (resolve_host(&acl
.first
, arg
) != 0) {
4177 fprintf(stderr
, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4178 filename
, line_num
, arg
);
4181 acl
.last
= acl
.first
;
4183 get_arg(arg
, sizeof(arg
), &p
);
4186 if (resolve_host(&acl
.last
, arg
) != 0) {
4187 fprintf(stderr
, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4188 filename
, line_num
, arg
);
4194 IPAddressACL
*nacl
= av_mallocz(sizeof(*nacl
));
4195 IPAddressACL
**naclp
= 0;
4201 naclp
= &stream
->acl
;
4205 fprintf(stderr
, "%s:%d: ACL found not in <stream> or <feed>\n",
4206 filename
, line_num
);
4212 naclp
= &(*naclp
)->next
;
4217 } else if (!strcasecmp(cmd
, "RTSPOption")) {
4218 get_arg(arg
, sizeof(arg
), &p
);
4220 av_freep(&stream
->rtsp_option
);
4221 stream
->rtsp_option
= av_strdup(arg
);
4223 } else if (!strcasecmp(cmd
, "MulticastAddress")) {
4224 get_arg(arg
, sizeof(arg
), &p
);
4226 if (resolve_host(&stream
->multicast_ip
, arg
) != 0) {
4227 fprintf(stderr
, "%s:%d: Invalid host/IP address: %s\n",
4228 filename
, line_num
, arg
);
4231 stream
->is_multicast
= 1;
4232 stream
->loop
= 1; /* default is looping */
4234 } else if (!strcasecmp(cmd
, "MulticastPort")) {
4235 get_arg(arg
, sizeof(arg
), &p
);
4237 stream
->multicast_port
= atoi(arg
);
4238 } else if (!strcasecmp(cmd
, "MulticastTTL")) {
4239 get_arg(arg
, sizeof(arg
), &p
);
4241 stream
->multicast_ttl
= atoi(arg
);
4242 } else if (!strcasecmp(cmd
, "NoLoop")) {
4245 } else if (!strcasecmp(cmd
, "</Stream>")) {
4247 fprintf(stderr
, "%s:%d: No corresponding <Stream> for </Stream>\n",
4248 filename
, line_num
);
4251 if (stream
->feed
&& stream
->fmt
&& strcmp(stream
->fmt
->name
, "ffm") != 0) {
4252 if (audio_id
!= CODEC_ID_NONE
) {
4253 audio_enc
.codec_type
= CODEC_TYPE_AUDIO
;
4254 audio_enc
.codec_id
= audio_id
;
4255 add_codec(stream
, &audio_enc
);
4257 if (video_id
!= CODEC_ID_NONE
) {
4258 video_enc
.codec_type
= CODEC_TYPE_VIDEO
;
4259 video_enc
.codec_id
= video_id
;
4260 add_codec(stream
, &video_enc
);
4265 } else if (!strcasecmp(cmd
, "<Redirect")) {
4266 /*********************************************/
4268 if (stream
|| feed
|| redirect
) {
4269 fprintf(stderr
, "%s:%d: Already in a tag\n",
4270 filename
, line_num
);
4273 redirect
= av_mallocz(sizeof(FFStream
));
4274 *last_stream
= redirect
;
4275 last_stream
= &redirect
->next
;
4277 get_arg(redirect
->filename
, sizeof(redirect
->filename
), &p
);
4278 q
= strrchr(redirect
->filename
, '>');
4281 redirect
->stream_type
= STREAM_TYPE_REDIRECT
;
4283 } else if (!strcasecmp(cmd
, "URL")) {
4285 get_arg(redirect
->feed_filename
, sizeof(redirect
->feed_filename
), &p
);
4286 } else if (!strcasecmp(cmd
, "</Redirect>")) {
4288 fprintf(stderr
, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4289 filename
, line_num
);
4292 if (!redirect
->feed_filename
[0]) {
4293 fprintf(stderr
, "%s:%d: No URL found for <Redirect>\n",
4294 filename
, line_num
);
4299 } else if (!strcasecmp(cmd
, "LoadModule")) {
4300 get_arg(arg
, sizeof(arg
), &p
);
4304 fprintf(stderr
, "%s:%d: Module support not compiled into this version: '%s'\n",
4305 filename
, line_num
, arg
);
4309 fprintf(stderr
, "%s:%d: Incorrect keyword: '%s'\n",
4310 filename
, line_num
, cmd
);
4322 static void handle_child_exit(int sig
)
4327 while ((pid
= waitpid(-1, &status
, WNOHANG
)) > 0) {
4330 for (feed
= first_feed
; feed
; feed
= feed
->next
) {
4331 if (feed
->pid
== pid
) {
4332 int uptime
= time(0) - feed
->pid_start
;
4335 fprintf(stderr
, "%s: Pid %d exited with status %d after %d seconds\n", feed
->filename
, pid
, status
, uptime
);
4338 /* Turn off any more restarts */
4339 feed
->child_argv
= 0;
4344 need_to_start_children
= 1;
4347 static void opt_debug()
4350 ffserver_daemon
= 0;
4353 static void opt_show_help(void)
4355 printf("usage: ffserver [options]\n"
4356 "Hyper fast multi format Audio/Video streaming server\n");
4358 show_help_options(options
, "Main options:\n", 0, 0);
4361 static const OptionDef options
[] = {
4362 { "h", OPT_EXIT
, {(void*)opt_show_help
}, "show help" },
4363 { "version", OPT_EXIT
, {(void*)show_version
}, "show version" },
4364 { "L", OPT_EXIT
, {(void*)show_license
}, "show license" },
4365 { "formats", OPT_EXIT
, {(void*)show_formats
}, "show available formats, codecs, protocols, ..." },
4366 { "n", OPT_BOOL
, {(void *)&no_launch
}, "enable no-launch mode" },
4367 { "d", 0, {(void*)opt_debug
}, "enable debug mode" },
4368 { "f", HAS_ARG
| OPT_STRING
, {(void*)&config_filename
}, "use configfile instead of /etc/ffserver.conf", "configfile" },
4372 int main(int argc
, char **argv
)
4374 struct sigaction sigact
;
4380 config_filename
= "/etc/ffserver.conf";
4382 my_program_name
= argv
[0];
4383 my_program_dir
= getcwd(0, 0);
4384 ffserver_daemon
= 1;
4386 parse_options(argc
, argv
, options
, NULL
);
4388 putenv("http_proxy"); /* Kill the http_proxy */
4390 av_init_random(av_gettime() + (getpid() << 16), &random_state
);
4392 /* address on which the server will handle HTTP connections */
4393 my_http_addr
.sin_family
= AF_INET
;
4394 my_http_addr
.sin_port
= htons (8080);
4395 my_http_addr
.sin_addr
.s_addr
= htonl (INADDR_ANY
);
4397 /* address on which the server will handle RTSP connections */
4398 my_rtsp_addr
.sin_family
= AF_INET
;
4399 my_rtsp_addr
.sin_port
= htons (5454);
4400 my_rtsp_addr
.sin_addr
.s_addr
= htonl (INADDR_ANY
);
4402 nb_max_connections
= 5;
4403 max_bandwidth
= 1000;
4404 first_stream
= NULL
;
4405 logfilename
[0] = '\0';
4407 memset(&sigact
, 0, sizeof(sigact
));
4408 sigact
.sa_handler
= handle_child_exit
;
4409 sigact
.sa_flags
= SA_NOCLDSTOP
| SA_RESTART
;
4410 sigaction(SIGCHLD
, &sigact
, 0);
4412 if (parse_ffconfig(config_filename
) < 0) {
4413 fprintf(stderr
, "Incorrect config file - exiting.\n");
4417 build_file_streams();
4419 build_feed_streams();
4421 compute_bandwidth();
4423 /* put the process in background and detach it from its TTY */
4424 if (ffserver_daemon
) {
4431 } else if (pid
> 0) {
4439 open("/dev/null", O_RDWR
);
4440 if (strcmp(logfilename
, "-") != 0) {
4450 signal(SIGPIPE
, SIG_IGN
);
4452 /* open log file if needed */
4453 if (logfilename
[0] != '\0') {
4454 if (!strcmp(logfilename
, "-"))
4457 logfile
= fopen(logfilename
, "a");
4460 if (http_server() < 0) {
4461 fprintf(stderr
, "Could not start server\n");