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"
35 #include "libavcodec/opt.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 static 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 unsigned 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_status(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 = 5;
296 static int nb_connections;
298 static uint64_t max_bandwidth = 1000;
299 static uint64_t 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 char *ctime1(char *buf2)
315 p = buf2 + strlen(p) - 1;
321 static void http_vlog(const char *fmt, va_list vargs)
323 static int print_prefix = 1;
328 fprintf(logfile, "%s ", buf);
330 print_prefix = strstr(fmt, "\n") != NULL;
331 vfprintf(logfile, fmt, vargs);
336 void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
339 va_start(vargs, fmt);
340 http_vlog(fmt, vargs);
344 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
346 static int print_prefix = 1;
347 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
348 if (level > av_log_level)
350 if (print_prefix && avc)
351 http_log("[%s @ %p]", avc->item_name(ptr), avc);
352 print_prefix = strstr(fmt, "\n") != NULL;
353 http_vlog(fmt, vargs);
356 static void log_connection(HTTPContext *c)
361 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
362 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
363 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
366 static void update_datarate(DataRateData *drd, int64_t count)
368 if (!drd->time1 && !drd->count1) {
369 drd->time1 = drd->time2 = cur_time;
370 drd->count1 = drd->count2 = count;
371 } else if (cur_time - drd->time2 > 5000) {
372 drd->time1 = drd->time2;
373 drd->count1 = drd->count2;
374 drd->time2 = cur_time;
379 /* In bytes per second */
380 static int compute_datarate(DataRateData *drd, int64_t count)
382 if (cur_time == drd->time1)
385 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
389 static void start_children(FFStream *feed)
394 for (; feed; feed = feed->next) {
395 if (feed->child_argv && !feed->pid) {
396 feed->pid_start = time(0);
401 http_log("Unable to create children\n");
410 for (i = 3; i < 256; i++)
413 if (!ffserver_debug) {
414 i = open("/dev/null", O_RDWR);
423 av_strlcpy(pathname, my_program_name, sizeof(pathname));
425 slash = strrchr(pathname, '/');
430 strcpy(slash, "ffmpeg");
432 /* This is needed to make relative pathnames work */
433 chdir(my_program_dir);
435 signal(SIGPIPE, SIG_DFL);
437 execvp(pathname, feed->child_argv);
445 /* open a listening socket */
446 static int socket_open_listen(struct sockaddr_in *my_addr)
450 server_fd = socket(AF_INET,SOCK_STREAM,0);
457 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
459 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
461 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
463 closesocket(server_fd);
467 if (listen (server_fd, 5) < 0) {
469 closesocket(server_fd);
472 ff_socket_nonblock(server_fd, 1);
477 /* start all multicast streams */
478 static void start_multicast(void)
483 struct sockaddr_in dest_addr;
484 int default_port, stream_index;
487 for(stream = first_stream; stream != NULL; stream = stream->next) {
488 if (stream->is_multicast) {
489 /* open the RTP connection */
490 snprintf(session_id, sizeof(session_id), "%08x%08x",
491 av_random(&random_state), av_random(&random_state));
493 /* choose a port if none given */
494 if (stream->multicast_port == 0) {
495 stream->multicast_port = default_port;
499 dest_addr.sin_family = AF_INET;
500 dest_addr.sin_addr = stream->multicast_ip;
501 dest_addr.sin_port = htons(stream->multicast_port);
503 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
504 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
508 if (open_input_stream(rtp_c, "") < 0) {
509 http_log("Could not open input stream for stream '%s'\n",
514 /* open each RTP stream */
515 for(stream_index = 0; stream_index < stream->nb_streams;
517 dest_addr.sin_port = htons(stream->multicast_port +
519 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
520 http_log("Could not open output stream '%s/streamid=%d'\n",
521 stream->filename, stream_index);
526 /* change state to send data */
527 rtp_c->state = HTTPSTATE_SEND_DATA;
532 /* main loop of the http server */
533 static int http_server(void)
535 int server_fd = 0, rtsp_server_fd = 0;
536 int ret, delay, delay1;
537 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
538 HTTPContext *c, *c_next;
540 if (my_http_addr.sin_port) {
541 server_fd = socket_open_listen(&my_http_addr);
546 if (my_rtsp_addr.sin_port) {
547 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
548 if (rtsp_server_fd < 0)
552 if (!rtsp_server_fd && !server_fd) {
553 http_log("HTTP and RTSP disabled.\n");
557 http_log("ffserver started.\n");
559 start_children(first_feed);
561 first_http_ctx = NULL;
567 poll_entry = poll_table;
569 poll_entry->fd = server_fd;
570 poll_entry->events = POLLIN;
573 if (rtsp_server_fd) {
574 poll_entry->fd = rtsp_server_fd;
575 poll_entry->events = POLLIN;
579 /* wait for events on each HTTP handle */
586 case HTTPSTATE_SEND_HEADER:
587 case RTSPSTATE_SEND_REPLY:
588 case RTSPSTATE_SEND_PACKET:
589 c->poll_entry = poll_entry;
591 poll_entry->events = POLLOUT;
594 case HTTPSTATE_SEND_DATA_HEADER:
595 case HTTPSTATE_SEND_DATA:
596 case HTTPSTATE_SEND_DATA_TRAILER:
597 if (!c->is_packetized) {
598 /* for TCP, we output as much as we can (may need to put a limit) */
599 c->poll_entry = poll_entry;
601 poll_entry->events = POLLOUT;
604 /* when ffserver is doing the timing, we work by
605 looking at which packet need to be sent every
607 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
612 case HTTPSTATE_WAIT_REQUEST:
613 case HTTPSTATE_RECEIVE_DATA:
614 case HTTPSTATE_WAIT_FEED:
615 case RTSPSTATE_WAIT_REQUEST:
616 /* need to catch errors */
617 c->poll_entry = poll_entry;
619 poll_entry->events = POLLIN;/* Maybe this will work */
623 c->poll_entry = NULL;
629 /* wait for an event on one connection. We poll at least every
630 second to handle timeouts */
632 ret = poll(poll_table, poll_entry - poll_table, delay);
633 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
634 ff_neterrno() != FF_NETERROR(EINTR))
638 cur_time = av_gettime() / 1000;
640 if (need_to_start_children) {
641 need_to_start_children = 0;
642 start_children(first_feed);
645 /* now handle the events */
646 for(c = first_http_ctx; c != NULL; c = c_next) {
648 if (handle_connection(c) < 0) {
649 /* close and free the connection */
655 poll_entry = poll_table;
657 /* new HTTP connection request ? */
658 if (poll_entry->revents & POLLIN)
659 new_connection(server_fd, 0);
662 if (rtsp_server_fd) {
663 /* new RTSP connection request ? */
664 if (poll_entry->revents & POLLIN)
665 new_connection(rtsp_server_fd, 1);
670 /* start waiting for a new HTTP/RTSP request */
671 static void start_wait_request(HTTPContext *c, int is_rtsp)
673 c->buffer_ptr = c->buffer;
674 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
677 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
678 c->state = RTSPSTATE_WAIT_REQUEST;
680 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
681 c->state = HTTPSTATE_WAIT_REQUEST;
685 static void new_connection(int server_fd, int is_rtsp)
687 struct sockaddr_in from_addr;
689 HTTPContext *c = NULL;
691 len = sizeof(from_addr);
692 fd = accept(server_fd, (struct sockaddr *)&from_addr,
695 http_log("error during accept %s\n", strerror(errno));
698 ff_socket_nonblock(fd, 1);
700 /* XXX: should output a warning page when coming
701 close to the connection limit */
702 if (nb_connections >= nb_max_connections)
705 /* add a new connection */
706 c = av_mallocz(sizeof(HTTPContext));
711 c->poll_entry = NULL;
712 c->from_addr = from_addr;
713 c->buffer_size = IOBUFFER_INIT_SIZE;
714 c->buffer = av_malloc(c->buffer_size);
718 c->next = first_http_ctx;
722 start_wait_request(c, is_rtsp);
734 static void close_connection(HTTPContext *c)
736 HTTPContext **cp, *c1;
738 AVFormatContext *ctx;
742 /* remove connection from list */
743 cp = &first_http_ctx;
744 while ((*cp) != NULL) {
752 /* remove references, if any (XXX: do it faster) */
753 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
758 /* remove connection associated resources */
762 /* close each frame parser */
763 for(i=0;i<c->fmt_in->nb_streams;i++) {
764 st = c->fmt_in->streams[i];
765 if (st->codec->codec)
766 avcodec_close(st->codec);
768 av_close_input_file(c->fmt_in);
771 /* free RTP output streams if any */
774 nb_streams = c->stream->nb_streams;
776 for(i=0;i<nb_streams;i++) {
779 av_write_trailer(ctx);
782 h = c->rtp_handles[i];
789 if (!c->last_packet_sent) {
792 if (url_open_dyn_buf(&ctx->pb) >= 0) {
793 av_write_trailer(ctx);
794 av_freep(&c->pb_buffer);
795 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
800 for(i=0; i<ctx->nb_streams; i++)
801 av_free(ctx->streams[i]);
803 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
804 current_bandwidth -= c->stream->bandwidth;
806 /* signal that there is no feed if we are the feeder socket */
807 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
808 c->stream->feed_opened = 0;
812 av_freep(&c->pb_buffer);
813 av_freep(&c->packet_buffer);
819 static int handle_connection(HTTPContext *c)
824 case HTTPSTATE_WAIT_REQUEST:
825 case RTSPSTATE_WAIT_REQUEST:
827 if ((c->timeout - cur_time) < 0)
829 if (c->poll_entry->revents & (POLLERR | POLLHUP))
832 /* no need to read if no events */
833 if (!(c->poll_entry->revents & POLLIN))
837 len = recv(c->fd, c->buffer_ptr, 1, 0);
839 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
840 ff_neterrno() != FF_NETERROR(EINTR))
842 } else if (len == 0) {
845 /* search for end of request. */
847 c->buffer_ptr += len;
849 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
850 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
851 /* request found : parse it and reply */
852 if (c->state == HTTPSTATE_WAIT_REQUEST) {
853 ret = http_parse_request(c);
855 ret = rtsp_parse_request(c);
859 } else if (ptr >= c->buffer_end) {
860 /* request too long: cannot do anything */
862 } else goto read_loop;
866 case HTTPSTATE_SEND_HEADER:
867 if (c->poll_entry->revents & (POLLERR | POLLHUP))
870 /* no need to write if no events */
871 if (!(c->poll_entry->revents & POLLOUT))
873 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
875 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
876 ff_neterrno() != FF_NETERROR(EINTR)) {
877 /* error : close connection */
878 av_freep(&c->pb_buffer);
882 c->buffer_ptr += len;
884 c->stream->bytes_served += len;
885 c->data_count += len;
886 if (c->buffer_ptr >= c->buffer_end) {
887 av_freep(&c->pb_buffer);
891 /* all the buffer was sent : synchronize to the incoming stream */
892 c->state = HTTPSTATE_SEND_DATA_HEADER;
893 c->buffer_ptr = c->buffer_end = c->buffer;
898 case HTTPSTATE_SEND_DATA:
899 case HTTPSTATE_SEND_DATA_HEADER:
900 case HTTPSTATE_SEND_DATA_TRAILER:
901 /* for packetized output, we consider we can always write (the
902 input streams sets the speed). It may be better to verify
903 that we do not rely too much on the kernel queues */
904 if (!c->is_packetized) {
905 if (c->poll_entry->revents & (POLLERR | POLLHUP))
908 /* no need to read if no events */
909 if (!(c->poll_entry->revents & POLLOUT))
912 if (http_send_data(c) < 0)
914 /* close connection if trailer sent */
915 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
918 case HTTPSTATE_RECEIVE_DATA:
919 /* no need to read if no events */
920 if (c->poll_entry->revents & (POLLERR | POLLHUP))
922 if (!(c->poll_entry->revents & POLLIN))
924 if (http_receive_data(c) < 0)
927 case HTTPSTATE_WAIT_FEED:
928 /* no need to read if no events */
929 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
932 /* nothing to do, we'll be waken up by incoming feed packets */
935 case RTSPSTATE_SEND_REPLY:
936 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
937 av_freep(&c->pb_buffer);
940 /* no need to write if no events */
941 if (!(c->poll_entry->revents & POLLOUT))
943 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
945 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
946 ff_neterrno() != FF_NETERROR(EINTR)) {
947 /* error : close connection */
948 av_freep(&c->pb_buffer);
952 c->buffer_ptr += len;
953 c->data_count += len;
954 if (c->buffer_ptr >= c->buffer_end) {
955 /* all the buffer was sent : wait for a new request */
956 av_freep(&c->pb_buffer);
957 start_wait_request(c, 1);
961 case RTSPSTATE_SEND_PACKET:
962 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
963 av_freep(&c->packet_buffer);
966 /* no need to write if no events */
967 if (!(c->poll_entry->revents & POLLOUT))
969 len = send(c->fd, c->packet_buffer_ptr,
970 c->packet_buffer_end - c->packet_buffer_ptr, 0);
972 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
973 ff_neterrno() != FF_NETERROR(EINTR)) {
974 /* error : close connection */
975 av_freep(&c->packet_buffer);
979 c->packet_buffer_ptr += len;
980 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
981 /* all the buffer was sent : wait for a new request */
982 av_freep(&c->packet_buffer);
983 c->state = RTSPSTATE_WAIT_REQUEST;
987 case HTTPSTATE_READY:
996 static int extract_rates(char *rates, int ratelen, const char *request)
1000 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1001 if (strncasecmp(p, "Pragma:", 7) == 0) {
1002 const char *q = p + 7;
1004 while (*q && *q != '\n' && isspace(*q))
1007 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1013 memset(rates, 0xff, ratelen);
1016 while (*q && *q != '\n' && *q != ':')
1019 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1023 if (stream_no < ratelen && stream_no >= 0)
1024 rates[stream_no] = rate_no;
1026 while (*q && *q != '\n' && !isspace(*q))
1033 p = strchr(p, '\n');
1043 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1046 int best_bitrate = 100000000;
1049 for (i = 0; i < feed->nb_streams; i++) {
1050 AVCodecContext *feed_codec = feed->streams[i]->codec;
1052 if (feed_codec->codec_id != codec->codec_id ||
1053 feed_codec->sample_rate != codec->sample_rate ||
1054 feed_codec->width != codec->width ||
1055 feed_codec->height != codec->height)
1058 /* Potential stream */
1060 /* We want the fastest stream less than bit_rate, or the slowest
1061 * faster than bit_rate
1064 if (feed_codec->bit_rate <= bit_rate) {
1065 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1066 best_bitrate = feed_codec->bit_rate;
1070 if (feed_codec->bit_rate < best_bitrate) {
1071 best_bitrate = feed_codec->bit_rate;
1080 static int modify_current_stream(HTTPContext *c, char *rates)
1083 FFStream *req = c->stream;
1084 int action_required = 0;
1086 /* Not much we can do for a feed */
1090 for (i = 0; i < req->nb_streams; i++) {
1091 AVCodecContext *codec = req->streams[i]->codec;
1095 c->switch_feed_streams[i] = req->feed_streams[i];
1098 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1101 /* Wants off or slow */
1102 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1104 /* This doesn't work well when it turns off the only stream! */
1105 c->switch_feed_streams[i] = -2;
1106 c->feed_streams[i] = -2;
1111 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1112 action_required = 1;
1115 return action_required;
1119 static void do_switch_stream(HTTPContext *c, int i)
1121 if (c->switch_feed_streams[i] >= 0) {
1123 c->feed_streams[i] = c->switch_feed_streams[i];
1126 /* Now update the stream */
1128 c->switch_feed_streams[i] = -1;
1131 /* XXX: factorize in utils.c ? */
1132 /* XXX: take care with different space meaning */
1133 static void skip_spaces(const char **pp)
1137 while (*p == ' ' || *p == '\t')
1142 static void get_word(char *buf, int buf_size, const char **pp)
1150 while (!isspace(*p) && *p != '\0') {
1151 if ((q - buf) < buf_size - 1)
1160 static int validate_acl(FFStream *stream, HTTPContext *c)
1162 enum IPAddressAction last_action = IP_DENY;
1164 struct in_addr *src = &c->from_addr.sin_addr;
1165 unsigned long src_addr = src->s_addr;
1167 for (acl = stream->acl; acl; acl = acl->next) {
1168 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1169 return (acl->action == IP_ALLOW) ? 1 : 0;
1170 last_action = acl->action;
1173 /* Nothing matched, so return not the last action */
1174 return (last_action == IP_DENY) ? 1 : 0;
1177 /* compute the real filename of a file by matching it without its
1178 extensions to all the stream filenames */
1179 static void compute_real_filename(char *filename, int max_size)
1186 /* compute filename by matching without the file extensions */
1187 av_strlcpy(file1, filename, sizeof(file1));
1188 p = strrchr(file1, '.');
1191 for(stream = first_stream; stream != NULL; stream = stream->next) {
1192 av_strlcpy(file2, stream->filename, sizeof(file2));
1193 p = strrchr(file2, '.');
1196 if (!strcmp(file1, file2)) {
1197 av_strlcpy(filename, stream->filename, max_size);
1212 /* parse http request and prepare header */
1213 static int http_parse_request(HTTPContext *c)
1216 enum RedirType redir_type;
1218 char info[1024], filename[1024];
1222 const char *mime_type;
1226 char *useragent = 0;
1229 get_word(cmd, sizeof(cmd), (const char **)&p);
1230 av_strlcpy(c->method, cmd, sizeof(c->method));
1232 if (!strcmp(cmd, "GET"))
1234 else if (!strcmp(cmd, "POST"))
1239 get_word(url, sizeof(url), (const char **)&p);
1240 av_strlcpy(c->url, url, sizeof(c->url));
1242 get_word(protocol, sizeof(protocol), (const char **)&p);
1243 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1246 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1249 http_log("New connection: %s %s\n", cmd, url);
1251 /* find the filename and the optional info string in the request */
1252 p = strchr(url, '?');
1254 av_strlcpy(info, p, sizeof(info));
1259 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1261 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1262 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1264 if (*useragent && *useragent != '\n' && isspace(*useragent))
1268 p = strchr(p, '\n');
1275 redir_type = REDIR_NONE;
1276 if (match_ext(filename, "asx")) {
1277 redir_type = REDIR_ASX;
1278 filename[strlen(filename)-1] = 'f';
1279 } else if (match_ext(filename, "asf") &&
1280 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1281 /* if this isn't WMP or lookalike, return the redirector file */
1282 redir_type = REDIR_ASF;
1283 } else if (match_ext(filename, "rpm,ram")) {
1284 redir_type = REDIR_RAM;
1285 strcpy(filename + strlen(filename)-2, "m");
1286 } else if (match_ext(filename, "rtsp")) {
1287 redir_type = REDIR_RTSP;
1288 compute_real_filename(filename, sizeof(filename) - 1);
1289 } else if (match_ext(filename, "sdp")) {
1290 redir_type = REDIR_SDP;
1291 compute_real_filename(filename, sizeof(filename) - 1);
1294 // "redirect" / request to index.html
1295 if (!strlen(filename))
1296 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1298 stream = first_stream;
1299 while (stream != NULL) {
1300 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1302 stream = stream->next;
1304 if (stream == NULL) {
1305 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1310 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1311 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1313 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1314 c->http_error = 301;
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1322 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1324 /* prepare output buffer */
1325 c->buffer_ptr = c->buffer;
1327 c->state = HTTPSTATE_SEND_HEADER;
1331 /* If this is WMP, get the rate information */
1332 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1333 if (modify_current_stream(c, ratebuf)) {
1334 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1335 if (c->switch_feed_streams[i] >= 0)
1336 do_switch_stream(c, i);
1341 /* If already streaming this feed, do not let start another feeder. */
1342 if (stream->feed_opened) {
1343 snprintf(msg, sizeof(msg), "This feed is already being received.");
1347 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1348 current_bandwidth += stream->bandwidth;
1350 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1351 c->http_error = 200;
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1357 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");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %lldkbit/sec, and this exceeds the limit of %lldkbit/sec.</p>\r\n",
1359 current_bandwidth, max_bandwidth);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1362 /* prepare output buffer */
1363 c->buffer_ptr = c->buffer;
1365 c->state = HTTPSTATE_SEND_HEADER;
1369 if (redir_type != REDIR_NONE) {
1372 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1373 if (strncasecmp(p, "Host:", 5) == 0) {
1377 p = strchr(p, '\n');
1388 while (isspace(*hostinfo))
1391 eoh = strchr(hostinfo, '\n');
1393 if (eoh[-1] == '\r')
1396 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1397 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1398 hostbuf[eoh - hostinfo] = 0;
1400 c->http_error = 200;
1402 switch(redir_type) {
1404 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1405 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1406 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1407 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1408 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1409 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1410 hostbuf, filename, info);
1411 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1416 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1418 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1419 hostbuf, filename, info);
1422 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1423 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1424 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1425 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1426 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1427 hostbuf, filename, info);
1431 char hostname[256], *p;
1432 /* extract only hostname */
1433 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1434 p = strrchr(hostname, ':');
1437 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1438 /* XXX: incorrect mime type ? */
1439 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1440 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1441 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1442 hostname, ntohs(my_rtsp_addr.sin_port),
1449 int sdp_data_size, len;
1450 struct sockaddr_in my_addr;
1452 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1453 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1454 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1456 len = sizeof(my_addr);
1457 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1459 /* XXX: should use a dynamic buffer */
1460 sdp_data_size = prepare_sdp_description(stream,
1463 if (sdp_data_size > 0) {
1464 memcpy(q, sdp_data, sdp_data_size);
1476 /* prepare output buffer */
1477 c->buffer_ptr = c->buffer;
1479 c->state = HTTPSTATE_SEND_HEADER;
1485 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1489 stream->conns_served++;
1491 /* XXX: add there authenticate and IP match */
1494 /* if post, it means a feed is being sent */
1495 if (!stream->is_feed) {
1496 /* However it might be a status report from WMP! Lets log the data
1497 * as it might come in handy one day
1502 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1503 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1507 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1508 client_id = strtol(p + 18, 0, 10);
1509 p = strchr(p, '\n');
1517 char *eol = strchr(logline, '\n');
1522 if (eol[-1] == '\r')
1524 http_log("%.*s\n", (int) (eol - logline), logline);
1525 c->suppress_log = 1;
1530 http_log("\nGot request:\n%s\n", c->buffer);
1533 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1536 /* Now we have to find the client_id */
1537 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1538 if (wmpc->wmp_client_id == client_id)
1542 if (wmpc && modify_current_stream(wmpc, ratebuf))
1543 wmpc->switch_pending = 1;
1546 snprintf(msg, sizeof(msg), "POST command not handled");
1550 if (http_start_receive_data(c) < 0) {
1551 snprintf(msg, sizeof(msg), "could not open feed");
1555 c->state = HTTPSTATE_RECEIVE_DATA;
1560 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1561 http_log("\nGot request:\n%s\n", c->buffer);
1564 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1567 /* open input stream */
1568 if (open_input_stream(c, info) < 0) {
1569 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1573 /* prepare http header */
1575 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1576 mime_type = c->stream->fmt->mime_type;
1578 mime_type = "application/x-octet-stream";
1579 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1581 /* for asf, we need extra headers */
1582 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1583 /* Need to allocate a client id */
1585 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1587 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);
1589 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1590 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1592 /* prepare output buffer */
1594 c->buffer_ptr = c->buffer;
1596 c->state = HTTPSTATE_SEND_HEADER;
1599 c->http_error = 404;
1601 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1602 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1603 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1604 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1605 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1606 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1607 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1609 /* prepare output buffer */
1610 c->buffer_ptr = c->buffer;
1612 c->state = HTTPSTATE_SEND_HEADER;
1616 c->http_error = 200; /* horrible : we use this value to avoid
1617 going to the send data state */
1618 c->state = HTTPSTATE_SEND_HEADER;
1622 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1624 static const char *suffix = " kMGTP";
1627 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1629 url_fprintf(pb, "%"PRId64"%c", count, *s);
1632 static void compute_status(HTTPContext *c)
1641 if (url_open_dyn_buf(&pb) < 0) {
1642 /* XXX: return an error ? */
1643 c->buffer_ptr = c->buffer;
1644 c->buffer_end = c->buffer;
1648 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1649 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1650 url_fprintf(pb, "Pragma: no-cache\r\n");
1651 url_fprintf(pb, "\r\n");
1653 url_fprintf(pb, "<HEAD><TITLE>%s Status</TITLE>\n", program_name);
1654 if (c->stream->feed_filename[0])
1655 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1656 url_fprintf(pb, "</HEAD>\n<BODY>");
1657 url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
1659 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1660 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1661 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");
1662 stream = first_stream;
1663 while (stream != NULL) {
1664 char sfilename[1024];
1667 if (stream->feed != stream) {
1668 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1669 eosf = sfilename + strlen(sfilename);
1670 if (eosf - sfilename >= 4) {
1671 if (strcmp(eosf - 4, ".asf") == 0)
1672 strcpy(eosf - 4, ".asx");
1673 else if (strcmp(eosf - 3, ".rm") == 0)
1674 strcpy(eosf - 3, ".ram");
1675 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1676 /* generate a sample RTSP director if
1677 unicast. Generate an SDP redirector if
1679 eosf = strrchr(sfilename, '.');
1681 eosf = sfilename + strlen(sfilename);
1682 if (stream->is_multicast)
1683 strcpy(eosf, ".sdp");
1685 strcpy(eosf, ".rtsp");
1689 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1690 sfilename, stream->filename);
1691 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1692 stream->conns_served);
1693 fmt_bytecount(pb, stream->bytes_served);
1694 switch(stream->stream_type) {
1695 case STREAM_TYPE_LIVE:
1697 int audio_bit_rate = 0;
1698 int video_bit_rate = 0;
1699 const char *audio_codec_name = "";
1700 const char *video_codec_name = "";
1701 const char *audio_codec_name_extra = "";
1702 const char *video_codec_name_extra = "";
1704 for(i=0;i<stream->nb_streams;i++) {
1705 AVStream *st = stream->streams[i];
1706 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1707 switch(st->codec->codec_type) {
1708 case CODEC_TYPE_AUDIO:
1709 audio_bit_rate += st->codec->bit_rate;
1711 if (*audio_codec_name)
1712 audio_codec_name_extra = "...";
1713 audio_codec_name = codec->name;
1716 case CODEC_TYPE_VIDEO:
1717 video_bit_rate += st->codec->bit_rate;
1719 if (*video_codec_name)
1720 video_codec_name_extra = "...";
1721 video_codec_name = codec->name;
1724 case CODEC_TYPE_DATA:
1725 video_bit_rate += st->codec->bit_rate;
1731 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",
1734 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1735 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1737 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1739 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1740 url_fprintf(pb, "\n");
1744 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1748 stream = stream->next;
1750 url_fprintf(pb, "</TABLE>\n");
1752 stream = first_stream;
1753 while (stream != NULL) {
1754 if (stream->feed == stream) {
1755 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1757 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1759 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1764 /* This is somewhat linux specific I guess */
1765 snprintf(ps_cmd, sizeof(ps_cmd),
1766 "ps -o \"%%cpu,cputime\" --no-headers %d",
1769 pid_stat = popen(ps_cmd, "r");
1774 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1776 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1784 url_fprintf(pb, "<p>");
1786 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");
1788 for (i = 0; i < stream->nb_streams; i++) {
1789 AVStream *st = stream->streams[i];
1790 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1791 const char *type = "unknown";
1792 char parameters[64];
1796 switch(st->codec->codec_type) {
1797 case CODEC_TYPE_AUDIO:
1799 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1801 case CODEC_TYPE_VIDEO:
1803 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1804 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1809 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1810 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1812 url_fprintf(pb, "</table>\n");
1815 stream = stream->next;
1821 AVCodecContext *enc;
1825 stream = first_feed;
1826 while (stream != NULL) {
1827 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1828 url_fprintf(pb, "<TABLE>\n");
1829 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1830 for(i=0;i<stream->nb_streams;i++) {
1831 AVStream *st = stream->streams[i];
1832 FeedData *fdata = st->priv_data;
1835 avcodec_string(buf, sizeof(buf), enc);
1836 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1837 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1838 avg /= enc->frame_size;
1839 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1840 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1842 url_fprintf(pb, "</TABLE>\n");
1843 stream = stream->next_feed;
1848 /* connection status */
1849 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1851 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1852 nb_connections, nb_max_connections);
1854 url_fprintf(pb, "Bandwidth in use: %lldk / %lldk<BR>\n",
1855 current_bandwidth, max_bandwidth);
1857 url_fprintf(pb, "<TABLE>\n");
1858 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");
1859 c1 = first_http_ctx;
1861 while (c1 != NULL) {
1867 for (j = 0; j < c1->stream->nb_streams; j++) {
1868 if (!c1->stream->feed)
1869 bitrate += c1->stream->streams[j]->codec->bit_rate;
1870 else if (c1->feed_streams[j] >= 0)
1871 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1876 p = inet_ntoa(c1->from_addr.sin_addr);
1877 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1879 c1->stream ? c1->stream->filename : "",
1880 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1883 http_state[c1->state]);
1884 fmt_bytecount(pb, bitrate);
1885 url_fprintf(pb, "<td align=right>");
1886 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1887 url_fprintf(pb, "<td align=right>");
1888 fmt_bytecount(pb, c1->data_count);
1889 url_fprintf(pb, "\n");
1892 url_fprintf(pb, "</TABLE>\n");
1897 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1898 url_fprintf(pb, "</BODY>\n</HTML>\n");
1900 len = url_close_dyn_buf(pb, &c->pb_buffer);
1901 c->buffer_ptr = c->pb_buffer;
1902 c->buffer_end = c->pb_buffer + len;
1905 /* check if the parser needs to be opened for stream i */
1906 static void open_parser(AVFormatContext *s, int i)
1908 AVStream *st = s->streams[i];
1911 if (!st->codec->codec) {
1912 codec = avcodec_find_decoder(st->codec->codec_id);
1913 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1914 st->codec->parse_only = 1;
1915 if (avcodec_open(st->codec, codec) < 0)
1916 st->codec->parse_only = 0;
1921 static int open_input_stream(HTTPContext *c, const char *info)
1924 char input_filename[1024];
1926 int buf_size, i, ret;
1929 /* find file name */
1930 if (c->stream->feed) {
1931 strcpy(input_filename, c->stream->feed->feed_filename);
1932 buf_size = FFM_PACKET_SIZE;
1933 /* compute position (absolute time) */
1934 if (find_info_tag(buf, sizeof(buf), "date", info))
1936 stream_pos = parse_date(buf, 0);
1937 if (stream_pos == INT64_MIN)
1940 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1941 int prebuffer = strtol(buf, 0, 10);
1942 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1944 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1946 strcpy(input_filename, c->stream->feed_filename);
1948 /* compute position (relative time) */
1949 if (find_info_tag(buf, sizeof(buf), "date", info))
1951 stream_pos = parse_date(buf, 1);
1952 if (stream_pos == INT64_MIN)
1958 if (input_filename[0] == '\0')
1962 { time_t when = stream_pos / 1000000;
1963 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1968 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1969 buf_size, c->stream->ap_in)) < 0) {
1970 http_log("could not open %s: %d\n", input_filename, ret);
1973 s->flags |= AVFMT_FLAG_GENPTS;
1975 av_find_stream_info(c->fmt_in);
1977 /* open each parser */
1978 for(i=0;i<s->nb_streams;i++)
1981 /* choose stream as clock source (we favorize video stream if
1982 present) for packet sending */
1983 c->pts_stream_index = 0;
1984 for(i=0;i<c->stream->nb_streams;i++) {
1985 if (c->pts_stream_index == 0 &&
1986 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1987 c->pts_stream_index = i;
1992 if (c->fmt_in->iformat->read_seek)
1993 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
1995 /* set the start time (needed for maxtime and RTP packet timing) */
1996 c->start_time = cur_time;
1997 c->first_pts = AV_NOPTS_VALUE;
2001 /* return the server clock (in us) */
2002 static int64_t get_server_clock(HTTPContext *c)
2004 /* compute current pts value from system time */
2005 return (cur_time - c->start_time) * 1000;
2008 /* return the estimated time at which the current packet must be sent
2010 static int64_t get_packet_send_clock(HTTPContext *c)
2012 int bytes_left, bytes_sent, frame_bytes;
2014 frame_bytes = c->cur_frame_bytes;
2015 if (frame_bytes <= 0)
2018 bytes_left = c->buffer_end - c->buffer_ptr;
2019 bytes_sent = frame_bytes - bytes_left;
2020 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2025 static int http_prepare_data(HTTPContext *c)
2028 AVFormatContext *ctx;
2030 av_freep(&c->pb_buffer);
2032 case HTTPSTATE_SEND_DATA_HEADER:
2033 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2034 av_strlcpy(c->fmt_ctx.author, c->stream->author,
2035 sizeof(c->fmt_ctx.author));
2036 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
2037 sizeof(c->fmt_ctx.comment));
2038 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
2039 sizeof(c->fmt_ctx.copyright));
2040 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2041 sizeof(c->fmt_ctx.title));
2043 /* open output stream by using specified codecs */
2044 c->fmt_ctx.oformat = c->stream->fmt;
2045 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2046 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2049 st = av_mallocz(sizeof(AVStream));
2050 c->fmt_ctx.streams[i] = st;
2051 /* if file or feed, then just take streams from FFStream struct */
2052 if (!c->stream->feed ||
2053 c->stream->feed == c->stream)
2054 src = c->stream->streams[i];
2056 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2060 st->codec->frame_number = 0; /* XXX: should be done in
2061 AVStream, not in codec */
2063 c->got_key_frame = 0;
2065 /* prepare header and save header data in a stream */
2066 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2067 /* XXX: potential leak */
2070 c->fmt_ctx.pb->is_streamed = 1;
2073 * HACK to avoid mpeg ps muxer to spit many underflow errors
2074 * Default value from FFmpeg
2075 * Try to set it use configuration option
2077 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2078 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2080 av_set_parameters(&c->fmt_ctx, NULL);
2081 if (av_write_header(&c->fmt_ctx) < 0) {
2082 http_log("Error writing output header\n");
2086 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2087 c->buffer_ptr = c->pb_buffer;
2088 c->buffer_end = c->pb_buffer + len;
2090 c->state = HTTPSTATE_SEND_DATA;
2091 c->last_packet_sent = 0;
2093 case HTTPSTATE_SEND_DATA:
2094 /* find a new packet */
2095 /* read a packet from the input stream */
2096 if (c->stream->feed)
2097 ffm_set_write_index(c->fmt_in,
2098 c->stream->feed->feed_write_index,
2099 c->stream->feed->feed_size);
2101 if (c->stream->max_time &&
2102 c->stream->max_time + c->start_time - cur_time < 0)
2103 /* We have timed out */
2104 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2108 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2109 if (c->stream->feed && c->stream->feed->feed_opened) {
2110 /* if coming from feed, it means we reached the end of the
2111 ffm file, so must wait for more data */
2112 c->state = HTTPSTATE_WAIT_FEED;
2113 return 1; /* state changed */
2115 if (c->stream->loop) {
2116 av_close_input_file(c->fmt_in);
2118 if (open_input_stream(c, "") < 0)
2123 /* must send trailer now because eof or error */
2124 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2128 int source_index = pkt.stream_index;
2129 /* update first pts if needed */
2130 if (c->first_pts == AV_NOPTS_VALUE) {
2131 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2132 c->start_time = cur_time;
2134 /* send it to the appropriate stream */
2135 if (c->stream->feed) {
2136 /* if coming from a feed, select the right stream */
2137 if (c->switch_pending) {
2138 c->switch_pending = 0;
2139 for(i=0;i<c->stream->nb_streams;i++) {
2140 if (c->switch_feed_streams[i] == pkt.stream_index)
2141 if (pkt.flags & PKT_FLAG_KEY)
2142 do_switch_stream(c, i);
2143 if (c->switch_feed_streams[i] >= 0)
2144 c->switch_pending = 1;
2147 for(i=0;i<c->stream->nb_streams;i++) {
2148 if (c->feed_streams[i] == pkt.stream_index) {
2149 AVStream *st = c->fmt_in->streams[source_index];
2150 pkt.stream_index = i;
2151 if (pkt.flags & PKT_FLAG_KEY &&
2152 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2153 c->stream->nb_streams == 1))
2154 c->got_key_frame = 1;
2155 if (!c->stream->send_on_key || c->got_key_frame)
2160 AVCodecContext *codec;
2163 /* specific handling for RTP: we use several
2164 output stream (one for each RTP
2165 connection). XXX: need more abstract handling */
2166 if (c->is_packetized) {
2168 /* compute send time and duration */
2169 st = c->fmt_in->streams[pkt.stream_index];
2170 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2171 if (st->start_time != AV_NOPTS_VALUE)
2172 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2173 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2175 printf("index=%d pts=%0.3f duration=%0.6f\n",
2177 (double)c->cur_pts /
2179 (double)c->cur_frame_duration /
2182 /* find RTP context */
2183 c->packet_stream_index = pkt.stream_index;
2184 ctx = c->rtp_ctx[c->packet_stream_index];
2186 av_free_packet(&pkt);
2189 codec = ctx->streams[0]->codec;
2190 /* only one stream per RTP connection */
2191 pkt.stream_index = 0;
2195 codec = ctx->streams[pkt.stream_index]->codec;
2198 if (c->is_packetized) {
2199 int max_packet_size;
2200 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2201 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2203 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2204 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2206 ret = url_open_dyn_buf(&ctx->pb);
2209 /* XXX: potential leak */
2212 c->fmt_ctx.pb->is_streamed = 1;
2213 if (pkt.dts != AV_NOPTS_VALUE)
2214 pkt.dts = av_rescale_q(pkt.dts,
2215 c->fmt_in->streams[source_index]->time_base,
2216 ctx->streams[pkt.stream_index]->time_base);
2217 if (pkt.pts != AV_NOPTS_VALUE)
2218 pkt.pts = av_rescale_q(pkt.pts,
2219 c->fmt_in->streams[source_index]->time_base,
2220 ctx->streams[pkt.stream_index]->time_base);
2221 pkt.duration = av_rescale_q(pkt.duration,
2222 c->fmt_in->streams[source_index]->time_base,
2223 ctx->streams[pkt.stream_index]->time_base);
2224 if (av_write_frame(ctx, &pkt) < 0) {
2225 http_log("Error writing frame to output\n");
2226 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2229 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2230 c->cur_frame_bytes = len;
2231 c->buffer_ptr = c->pb_buffer;
2232 c->buffer_end = c->pb_buffer + len;
2234 codec->frame_number++;
2236 av_free_packet(&pkt);
2240 av_free_packet(&pkt);
2245 case HTTPSTATE_SEND_DATA_TRAILER:
2246 /* last packet test ? */
2247 if (c->last_packet_sent || c->is_packetized)
2250 /* prepare header */
2251 if (url_open_dyn_buf(&ctx->pb) < 0) {
2252 /* XXX: potential leak */
2255 c->fmt_ctx.pb->is_streamed = 1;
2256 av_write_trailer(ctx);
2257 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2258 c->buffer_ptr = c->pb_buffer;
2259 c->buffer_end = c->pb_buffer + len;
2261 c->last_packet_sent = 1;
2267 /* should convert the format at the same time */
2268 /* send data starting at c->buffer_ptr to the output connection
2269 (either UDP or TCP connection) */
2270 static int http_send_data(HTTPContext *c)
2275 if (c->buffer_ptr >= c->buffer_end) {
2276 ret = http_prepare_data(c);
2280 /* state change requested */
2283 if (c->is_packetized) {
2284 /* RTP data output */
2285 len = c->buffer_end - c->buffer_ptr;
2287 /* fail safe - should never happen */
2289 c->buffer_ptr = c->buffer_end;
2292 len = (c->buffer_ptr[0] << 24) |
2293 (c->buffer_ptr[1] << 16) |
2294 (c->buffer_ptr[2] << 8) |
2296 if (len > (c->buffer_end - c->buffer_ptr))
2298 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2299 /* nothing to send yet: we can wait */
2303 c->data_count += len;
2304 update_datarate(&c->datarate, c->data_count);
2306 c->stream->bytes_served += len;
2308 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2309 /* RTP packets are sent inside the RTSP TCP connection */
2311 int interleaved_index, size;
2313 HTTPContext *rtsp_c;
2316 /* if no RTSP connection left, error */
2319 /* if already sending something, then wait. */
2320 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2322 if (url_open_dyn_buf(&pb) < 0)
2324 interleaved_index = c->packet_stream_index * 2;
2325 /* RTCP packets are sent at odd indexes */
2326 if (c->buffer_ptr[1] == 200)
2327 interleaved_index++;
2328 /* write RTSP TCP header */
2330 header[1] = interleaved_index;
2331 header[2] = len >> 8;
2333 put_buffer(pb, header, 4);
2334 /* write RTP packet data */
2336 put_buffer(pb, c->buffer_ptr, len);
2337 size = url_close_dyn_buf(pb, &c->packet_buffer);
2338 /* prepare asynchronous TCP sending */
2339 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2340 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2341 c->buffer_ptr += len;
2343 /* send everything we can NOW */
2344 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2345 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2347 rtsp_c->packet_buffer_ptr += len;
2348 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2349 /* if we could not send all the data, we will
2350 send it later, so a new state is needed to
2351 "lock" the RTSP TCP connection */
2352 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2355 /* all data has been sent */
2356 av_freep(&c->packet_buffer);
2358 /* send RTP packet directly in UDP */
2360 url_write(c->rtp_handles[c->packet_stream_index],
2361 c->buffer_ptr, len);
2362 c->buffer_ptr += len;
2363 /* here we continue as we can send several packets per 10 ms slot */
2366 /* TCP data output */
2367 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2369 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2370 ff_neterrno() != FF_NETERROR(EINTR))
2371 /* error : close connection */
2376 c->buffer_ptr += len;
2378 c->data_count += len;
2379 update_datarate(&c->datarate, c->data_count);
2381 c->stream->bytes_served += len;
2389 static int http_start_receive_data(HTTPContext *c)
2393 if (c->stream->feed_opened)
2396 /* Don't permit writing to this one */
2397 if (c->stream->readonly)
2401 fd = open(c->stream->feed_filename, O_RDWR);
2403 http_log("Error opening feeder file: %s\n", strerror(errno));
2408 c->stream->feed_write_index = ffm_read_write_index(fd);
2409 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2410 lseek(fd, 0, SEEK_SET);
2412 /* init buffer input */
2413 c->buffer_ptr = c->buffer;
2414 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2415 c->stream->feed_opened = 1;
2419 static int http_receive_data(HTTPContext *c)
2423 if (c->buffer_end > c->buffer_ptr) {
2426 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2428 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2429 ff_neterrno() != FF_NETERROR(EINTR))
2430 /* error : close connection */
2432 } else if (len == 0)
2433 /* end of connection : close it */
2436 c->buffer_ptr += len;
2437 c->data_count += len;
2438 update_datarate(&c->datarate, c->data_count);
2442 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2443 if (c->buffer[0] != 'f' ||
2444 c->buffer[1] != 'm') {
2445 http_log("Feed stream has become desynchronized -- disconnecting\n");
2450 if (c->buffer_ptr >= c->buffer_end) {
2451 FFStream *feed = c->stream;
2452 /* a packet has been received : write it in the store, except
2454 if (c->data_count > FFM_PACKET_SIZE) {
2456 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2457 /* XXX: use llseek or url_seek */
2458 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2459 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2460 http_log("Error writing to feed file: %s\n", strerror(errno));
2464 feed->feed_write_index += FFM_PACKET_SIZE;
2465 /* update file size */
2466 if (feed->feed_write_index > c->stream->feed_size)
2467 feed->feed_size = feed->feed_write_index;
2469 /* handle wrap around if max file size reached */
2470 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2471 feed->feed_write_index = FFM_PACKET_SIZE;
2474 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2476 /* wake up any waiting connections */
2477 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2478 if (c1->state == HTTPSTATE_WAIT_FEED &&
2479 c1->stream->feed == c->stream->feed)
2480 c1->state = HTTPSTATE_SEND_DATA;
2483 /* We have a header in our hands that contains useful data */
2484 AVFormatContext *s = NULL;
2486 AVInputFormat *fmt_in;
2489 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2490 pb->is_streamed = 1;
2492 /* use feed output format name to find corresponding input format */
2493 fmt_in = av_find_input_format(feed->fmt->name);
2497 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2502 /* Now we have the actual streams */
2503 if (s->nb_streams != feed->nb_streams) {
2504 av_close_input_stream(s);
2509 for (i = 0; i < s->nb_streams; i++)
2510 memcpy(feed->streams[i]->codec,
2511 s->streams[i]->codec, sizeof(AVCodecContext));
2513 av_close_input_stream(s);
2516 c->buffer_ptr = c->buffer;
2521 c->stream->feed_opened = 0;
2523 /* wake up any waiting connections to stop waiting for feed */
2524 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2525 if (c1->state == HTTPSTATE_WAIT_FEED &&
2526 c1->stream->feed == c->stream->feed)
2527 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2532 /********************************************************************/
2535 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2542 switch(error_number) {
2543 case RTSP_STATUS_OK:
2546 case RTSP_STATUS_METHOD:
2547 str = "Method Not Allowed";
2549 case RTSP_STATUS_BANDWIDTH:
2550 str = "Not Enough Bandwidth";
2552 case RTSP_STATUS_SESSION:
2553 str = "Session Not Found";
2555 case RTSP_STATUS_STATE:
2556 str = "Method Not Valid in This State";
2558 case RTSP_STATUS_AGGREGATE:
2559 str = "Aggregate operation not allowed";
2561 case RTSP_STATUS_ONLY_AGGREGATE:
2562 str = "Only aggregate operation allowed";
2564 case RTSP_STATUS_TRANSPORT:
2565 str = "Unsupported transport";
2567 case RTSP_STATUS_INTERNAL:
2568 str = "Internal Server Error";
2570 case RTSP_STATUS_SERVICE:
2571 str = "Service Unavailable";
2573 case RTSP_STATUS_VERSION:
2574 str = "RTSP Version not supported";
2577 str = "Unknown Error";
2581 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2582 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2584 /* output GMT time */
2588 p = buf2 + strlen(p) - 1;
2591 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2594 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2596 rtsp_reply_header(c, error_number);
2597 url_fprintf(c->pb, "\r\n");
2600 static int rtsp_parse_request(HTTPContext *c)
2602 const char *p, *p1, *p2;
2608 RTSPHeader header1, *header = &header1;
2610 c->buffer_ptr[0] = '\0';
2613 get_word(cmd, sizeof(cmd), &p);
2614 get_word(url, sizeof(url), &p);
2615 get_word(protocol, sizeof(protocol), &p);
2617 av_strlcpy(c->method, cmd, sizeof(c->method));
2618 av_strlcpy(c->url, url, sizeof(c->url));
2619 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2621 if (url_open_dyn_buf(&c->pb) < 0) {
2622 /* XXX: cannot do more */
2623 c->pb = NULL; /* safety */
2627 /* check version name */
2628 if (strcmp(protocol, "RTSP/1.0") != 0) {
2629 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2633 /* parse each header line */
2634 memset(header, 0, sizeof(RTSPHeader));
2635 /* skip to next line */
2636 while (*p != '\n' && *p != '\0')
2640 while (*p != '\0') {
2641 p1 = strchr(p, '\n');
2645 if (p2 > p && p2[-1] == '\r')
2647 /* skip empty line */
2651 if (len > sizeof(line) - 1)
2652 len = sizeof(line) - 1;
2653 memcpy(line, p, len);
2655 rtsp_parse_line(header, line);
2659 /* handle sequence number */
2660 c->seq = header->seq;
2662 if (!strcmp(cmd, "DESCRIBE"))
2663 rtsp_cmd_describe(c, url);
2664 else if (!strcmp(cmd, "OPTIONS"))
2665 rtsp_cmd_options(c, url);
2666 else if (!strcmp(cmd, "SETUP"))
2667 rtsp_cmd_setup(c, url, header);
2668 else if (!strcmp(cmd, "PLAY"))
2669 rtsp_cmd_play(c, url, header);
2670 else if (!strcmp(cmd, "PAUSE"))
2671 rtsp_cmd_pause(c, url, header);
2672 else if (!strcmp(cmd, "TEARDOWN"))
2673 rtsp_cmd_teardown(c, url, header);
2675 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2678 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2679 c->pb = NULL; /* safety */
2681 /* XXX: cannot do more */
2684 c->buffer_ptr = c->pb_buffer;
2685 c->buffer_end = c->pb_buffer + len;
2686 c->state = RTSPSTATE_SEND_REPLY;
2690 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2691 struct in_addr my_ip)
2693 AVFormatContext *avc;
2694 AVStream avs[MAX_STREAMS];
2697 avc = av_alloc_format_context();
2701 if (stream->title[0] != 0) {
2702 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2704 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2706 avc->nb_streams = stream->nb_streams;
2707 if (stream->is_multicast) {
2708 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2709 inet_ntoa(stream->multicast_ip),
2710 stream->multicast_port, stream->multicast_ttl);
2713 for(i = 0; i < stream->nb_streams; i++) {
2714 avc->streams[i] = &avs[i];
2715 avc->streams[i]->codec = stream->streams[i]->codec;
2717 *pbuffer = av_mallocz(2048);
2718 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2721 return strlen(*pbuffer);
2724 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2726 // rtsp_reply_header(c, RTSP_STATUS_OK);
2727 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2728 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2729 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2730 url_fprintf(c->pb, "\r\n");
2733 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2739 int content_length, len;
2740 struct sockaddr_in my_addr;
2742 /* find which url is asked */
2743 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2748 for(stream = first_stream; stream != NULL; stream = stream->next) {
2749 if (!stream->is_feed &&
2750 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2751 !strcmp(path, stream->filename)) {
2755 /* no stream found */
2756 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2760 /* prepare the media description in sdp format */
2762 /* get the host IP */
2763 len = sizeof(my_addr);
2764 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2765 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2766 if (content_length < 0) {
2767 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2770 rtsp_reply_header(c, RTSP_STATUS_OK);
2771 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2772 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2773 url_fprintf(c->pb, "\r\n");
2774 put_buffer(c->pb, content, content_length);
2777 static HTTPContext *find_rtp_session(const char *session_id)
2781 if (session_id[0] == '\0')
2784 for(c = first_http_ctx; c != NULL; c = c->next) {
2785 if (!strcmp(c->session_id, session_id))
2791 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2793 RTSPTransportField *th;
2796 for(i=0;i<h->nb_transports;i++) {
2797 th = &h->transports[i];
2798 if (th->protocol == protocol)
2804 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2808 int stream_index, port;
2813 RTSPTransportField *th;
2814 struct sockaddr_in dest_addr;
2815 RTSPActionServerSetup setup;
2817 /* find which url is asked */
2818 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2823 /* now check each stream */
2824 for(stream = first_stream; stream != NULL; stream = stream->next) {
2825 if (!stream->is_feed &&
2826 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2827 /* accept aggregate filenames only if single stream */
2828 if (!strcmp(path, stream->filename)) {
2829 if (stream->nb_streams != 1) {
2830 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2837 for(stream_index = 0; stream_index < stream->nb_streams;
2839 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2840 stream->filename, stream_index);
2841 if (!strcmp(path, buf))
2846 /* no stream found */
2847 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2851 /* generate session id if needed */
2852 if (h->session_id[0] == '\0')
2853 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2854 av_random(&random_state), av_random(&random_state));
2856 /* find rtp session, and create it if none found */
2857 rtp_c = find_rtp_session(h->session_id);
2859 /* always prefer UDP */
2860 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2862 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2864 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2869 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2872 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2876 /* open input stream */
2877 if (open_input_stream(rtp_c, "") < 0) {
2878 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2883 /* test if stream is OK (test needed because several SETUP needs
2884 to be done for a given file) */
2885 if (rtp_c->stream != stream) {
2886 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2890 /* test if stream is already set up */
2891 if (rtp_c->rtp_ctx[stream_index]) {
2892 rtsp_reply_error(c, RTSP_STATUS_STATE);
2896 /* check transport */
2897 th = find_transport(h, rtp_c->rtp_protocol);
2898 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2899 th->client_port_min <= 0)) {
2900 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2904 /* setup default options */
2905 setup.transport_option[0] = '\0';
2906 dest_addr = rtp_c->from_addr;
2907 dest_addr.sin_port = htons(th->client_port_min);
2910 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2911 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2915 /* now everything is OK, so we can send the connection parameters */
2916 rtsp_reply_header(c, RTSP_STATUS_OK);
2918 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2920 switch(rtp_c->rtp_protocol) {
2921 case RTSP_PROTOCOL_RTP_UDP:
2922 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2923 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2924 "client_port=%d-%d;server_port=%d-%d",
2925 th->client_port_min, th->client_port_min + 1,
2928 case RTSP_PROTOCOL_RTP_TCP:
2929 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2930 stream_index * 2, stream_index * 2 + 1);
2935 if (setup.transport_option[0] != '\0')
2936 url_fprintf(c->pb, ";%s", setup.transport_option);
2937 url_fprintf(c->pb, "\r\n");
2940 url_fprintf(c->pb, "\r\n");
2944 /* find an rtp connection by using the session ID. Check consistency
2946 static HTTPContext *find_rtp_session_with_url(const char *url,
2947 const char *session_id)
2955 rtp_c = find_rtp_session(session_id);
2959 /* find which url is asked */
2960 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2964 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2965 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2966 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2967 rtp_c->stream->filename, s);
2968 if(!strncmp(path, buf, sizeof(buf))) {
2969 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2976 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2980 rtp_c = find_rtp_session_with_url(url, h->session_id);
2982 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2986 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2987 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2988 rtp_c->state != HTTPSTATE_READY) {
2989 rtsp_reply_error(c, RTSP_STATUS_STATE);
2994 /* XXX: seek in stream */
2995 if (h->range_start != AV_NOPTS_VALUE) {
2996 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2997 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
3001 rtp_c->state = HTTPSTATE_SEND_DATA;
3003 /* now everything is OK, so we can send the connection parameters */
3004 rtsp_reply_header(c, RTSP_STATUS_OK);
3006 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3007 url_fprintf(c->pb, "\r\n");
3010 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3014 rtp_c = find_rtp_session_with_url(url, h->session_id);
3016 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3020 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3021 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3022 rtsp_reply_error(c, RTSP_STATUS_STATE);
3026 rtp_c->state = HTTPSTATE_READY;
3027 rtp_c->first_pts = AV_NOPTS_VALUE;
3028 /* now everything is OK, so we can send the connection parameters */
3029 rtsp_reply_header(c, RTSP_STATUS_OK);
3031 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3032 url_fprintf(c->pb, "\r\n");
3035 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3038 char session_id[32];
3040 rtp_c = find_rtp_session_with_url(url, h->session_id);
3042 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3046 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3048 /* abort the session */
3049 close_connection(rtp_c);
3051 /* now everything is OK, so we can send the connection parameters */
3052 rtsp_reply_header(c, RTSP_STATUS_OK);
3054 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3055 url_fprintf(c->pb, "\r\n");
3059 /********************************************************************/
3062 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3063 FFStream *stream, const char *session_id,
3064 enum RTSPProtocol rtp_protocol)
3066 HTTPContext *c = NULL;
3067 const char *proto_str;
3069 /* XXX: should output a warning page when coming
3070 close to the connection limit */
3071 if (nb_connections >= nb_max_connections)
3074 /* add a new connection */
3075 c = av_mallocz(sizeof(HTTPContext));
3080 c->poll_entry = NULL;
3081 c->from_addr = *from_addr;
3082 c->buffer_size = IOBUFFER_INIT_SIZE;
3083 c->buffer = av_malloc(c->buffer_size);
3088 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3089 c->state = HTTPSTATE_READY;
3090 c->is_packetized = 1;
3091 c->rtp_protocol = rtp_protocol;
3093 /* protocol is shown in statistics */
3094 switch(c->rtp_protocol) {
3095 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3096 proto_str = "MCAST";
3098 case RTSP_PROTOCOL_RTP_UDP:
3101 case RTSP_PROTOCOL_RTP_TCP:
3108 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3109 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3111 current_bandwidth += stream->bandwidth;
3113 c->next = first_http_ctx;
3125 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3126 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3128 static int rtp_new_av_stream(HTTPContext *c,
3129 int stream_index, struct sockaddr_in *dest_addr,
3130 HTTPContext *rtsp_c)
3132 AVFormatContext *ctx;
3135 URLContext *h = NULL;
3138 int max_packet_size;
3140 /* now we can open the relevant output stream */
3141 ctx = av_alloc_format_context();
3144 ctx->oformat = guess_format("rtp", NULL, NULL);
3146 st = av_mallocz(sizeof(AVStream));
3149 st->codec= avcodec_alloc_context();
3150 ctx->nb_streams = 1;
3151 ctx->streams[0] = st;
3153 if (!c->stream->feed ||
3154 c->stream->feed == c->stream)
3155 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3158 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3160 st->priv_data = NULL;
3162 /* build destination RTP address */
3163 ipaddr = inet_ntoa(dest_addr->sin_addr);
3165 switch(c->rtp_protocol) {
3166 case RTSP_PROTOCOL_RTP_UDP:
3167 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3170 /* XXX: also pass as parameter to function ? */
3171 if (c->stream->is_multicast) {
3173 ttl = c->stream->multicast_ttl;
3176 snprintf(ctx->filename, sizeof(ctx->filename),
3177 "rtp://%s:%d?multicast=1&ttl=%d",
3178 ipaddr, ntohs(dest_addr->sin_port), ttl);
3180 snprintf(ctx->filename, sizeof(ctx->filename),
3181 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3184 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3186 c->rtp_handles[stream_index] = h;
3187 max_packet_size = url_get_max_packet_size(h);
3189 case RTSP_PROTOCOL_RTP_TCP:
3192 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3198 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3199 ipaddr, ntohs(dest_addr->sin_port),
3201 c->stream->filename, stream_index, c->protocol);
3203 /* normally, no packets should be output here, but the packet size may be checked */
3204 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3205 /* XXX: close stream */
3208 av_set_parameters(ctx, NULL);
3209 if (av_write_header(ctx) < 0) {
3216 url_close_dyn_buf(ctx->pb, &dummy_buf);
3219 c->rtp_ctx[stream_index] = ctx;
3223 /********************************************************************/
3224 /* ffserver initialization */
3226 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3230 fst = av_mallocz(sizeof(AVStream));
3233 fst->codec= avcodec_alloc_context();
3234 fst->priv_data = av_mallocz(sizeof(FeedData));
3235 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3236 fst->index = stream->nb_streams;
3237 av_set_pts_info(fst, 33, 1, 90000);
3238 stream->streams[stream->nb_streams++] = fst;
3242 /* return the stream number in the feed */
3243 static int add_av_stream(FFStream *feed, AVStream *st)
3246 AVCodecContext *av, *av1;
3250 for(i=0;i<feed->nb_streams;i++) {
3251 st = feed->streams[i];
3253 if (av1->codec_id == av->codec_id &&
3254 av1->codec_type == av->codec_type &&
3255 av1->bit_rate == av->bit_rate) {
3257 switch(av->codec_type) {
3258 case CODEC_TYPE_AUDIO:
3259 if (av1->channels == av->channels &&
3260 av1->sample_rate == av->sample_rate)
3263 case CODEC_TYPE_VIDEO:
3264 if (av1->width == av->width &&
3265 av1->height == av->height &&
3266 av1->time_base.den == av->time_base.den &&
3267 av1->time_base.num == av->time_base.num &&
3268 av1->gop_size == av->gop_size)
3277 fst = add_av_stream1(feed, av);
3280 return feed->nb_streams - 1;
3285 static void remove_stream(FFStream *stream)
3289 while (*ps != NULL) {
3297 /* specific mpeg4 handling : we extract the raw parameters */
3298 static void extract_mpeg4_header(AVFormatContext *infile)
3300 int mpeg4_count, i, size;
3306 for(i=0;i<infile->nb_streams;i++) {
3307 st = infile->streams[i];
3308 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3309 st->codec->extradata_size == 0) {
3316 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3317 while (mpeg4_count > 0) {
3318 if (av_read_packet(infile, &pkt) < 0)
3320 st = infile->streams[pkt.stream_index];
3321 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3322 st->codec->extradata_size == 0) {
3323 av_freep(&st->codec->extradata);
3324 /* fill extradata with the header */
3325 /* XXX: we make hard suppositions here ! */
3327 while (p < pkt.data + pkt.size - 4) {
3328 /* stop when vop header is found */
3329 if (p[0] == 0x00 && p[1] == 0x00 &&
3330 p[2] == 0x01 && p[3] == 0xb6) {
3331 size = p - pkt.data;
3332 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3333 st->codec->extradata = av_malloc(size);
3334 st->codec->extradata_size = size;
3335 memcpy(st->codec->extradata, pkt.data, size);
3342 av_free_packet(&pkt);
3346 /* compute the needed AVStream for each file */
3347 static void build_file_streams(void)
3349 FFStream *stream, *stream_next;
3350 AVFormatContext *infile;
3353 /* gather all streams */
3354 for(stream = first_stream; stream != NULL; stream = stream_next) {
3355 stream_next = stream->next;
3356 if (stream->stream_type == STREAM_TYPE_LIVE &&
3358 /* the stream comes from a file */
3359 /* try to open the file */
3361 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3362 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3363 /* specific case : if transport stream output to RTP,
3364 we use a raw transport stream reader */
3365 stream->ap_in->mpeg2ts_raw = 1;
3366 stream->ap_in->mpeg2ts_compute_pcr = 1;
3369 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3370 stream->ifmt, 0, stream->ap_in)) < 0) {
3371 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3372 /* remove stream (no need to spend more time on it) */
3374 remove_stream(stream);
3376 /* find all the AVStreams inside and reference them in
3378 if (av_find_stream_info(infile) < 0) {
3379 http_log("Could not find codec parameters from '%s'\n",
3380 stream->feed_filename);
3381 av_close_input_file(infile);
3384 extract_mpeg4_header(infile);
3386 for(i=0;i<infile->nb_streams;i++)
3387 add_av_stream1(stream, infile->streams[i]->codec);
3389 av_close_input_file(infile);
3395 /* compute the needed AVStream for each feed */
3396 static void build_feed_streams(void)
3398 FFStream *stream, *feed;
3401 /* gather all streams */
3402 for(stream = first_stream; stream != NULL; stream = stream->next) {
3403 feed = stream->feed;
3405 if (!stream->is_feed) {
3406 /* we handle a stream coming from a feed */
3407 for(i=0;i<stream->nb_streams;i++)
3408 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3413 /* gather all streams */
3414 for(stream = first_stream; stream != NULL; stream = stream->next) {
3415 feed = stream->feed;
3417 if (stream->is_feed) {
3418 for(i=0;i<stream->nb_streams;i++)
3419 stream->feed_streams[i] = i;
3424 /* create feed files if needed */
3425 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3428 if (url_exist(feed->feed_filename)) {
3429 /* See if it matches */
3433 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3434 /* Now see if it matches */
3435 if (s->nb_streams == feed->nb_streams) {
3437 for(i=0;i<s->nb_streams;i++) {
3439 sf = feed->streams[i];
3442 if (sf->index != ss->index ||
3444 printf("Index & Id do not match for stream %d (%s)\n",
3445 i, feed->feed_filename);
3448 AVCodecContext *ccf, *ccs;
3452 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3454 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3455 printf("Codecs do not match for stream %d\n", i);
3457 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3458 printf("Codec bitrates do not match for stream %d\n", i);
3460 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3461 if (CHECK_CODEC(time_base.den) ||
3462 CHECK_CODEC(time_base.num) ||
3463 CHECK_CODEC(width) ||
3464 CHECK_CODEC(height)) {
3465 printf("Codec width, height and framerate do not match for stream %d\n", i);
3468 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3469 if (CHECK_CODEC(sample_rate) ||
3470 CHECK_CODEC(channels) ||
3471 CHECK_CODEC(frame_size)) {
3472 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3476 printf("Unknown codec type\n");
3484 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3485 feed->feed_filename, s->nb_streams, feed->nb_streams);
3487 av_close_input_file(s);
3489 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3490 feed->feed_filename);
3493 if (feed->readonly) {
3494 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3495 feed->feed_filename);
3498 unlink(feed->feed_filename);
3501 if (!url_exist(feed->feed_filename)) {
3502 AVFormatContext s1, *s = &s1;
3504 if (feed->readonly) {
3505 printf("Unable to create feed file '%s' as it is marked readonly\n",
3506 feed->feed_filename);
3510 /* only write the header of the ffm file */
3511 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3512 http_log("Could not open output feed file '%s'\n",
3513 feed->feed_filename);
3516 s->oformat = feed->fmt;
3517 s->nb_streams = feed->nb_streams;
3518 for(i=0;i<s->nb_streams;i++) {
3520 st = feed->streams[i];
3523 av_set_parameters(s, NULL);
3524 if (av_write_header(s) < 0) {
3525 http_log("Container doesn't supports the required parameters\n");
3528 /* XXX: need better api */
3529 av_freep(&s->priv_data);
3532 /* get feed size and write index */
3533 fd = open(feed->feed_filename, O_RDONLY);
3535 http_log("Could not open output feed file '%s'\n",
3536 feed->feed_filename);
3540 feed->feed_write_index = ffm_read_write_index(fd);
3541 feed->feed_size = lseek(fd, 0, SEEK_END);
3542 /* ensure that we do not wrap before the end of file */
3543 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3544 feed->feed_max_size = feed->feed_size;
3550 /* compute the bandwidth used by each stream */
3551 static void compute_bandwidth(void)
3557 for(stream = first_stream; stream != NULL; stream = stream->next) {
3559 for(i=0;i<stream->nb_streams;i++) {
3560 AVStream *st = stream->streams[i];
3561 switch(st->codec->codec_type) {
3562 case CODEC_TYPE_AUDIO:
3563 case CODEC_TYPE_VIDEO:
3564 bandwidth += st->codec->bit_rate;
3570 stream->bandwidth = (bandwidth + 999) / 1000;
3574 static void get_arg(char *buf, int buf_size, const char **pp)
3581 while (isspace(*p)) p++;
3584 if (*p == '\"' || *p == '\'')
3596 if ((q - buf) < buf_size - 1)
3601 if (quote && *p == quote)
3606 /* add a codec and set the default parameters */
3607 static void add_codec(FFStream *stream, AVCodecContext *av)
3611 /* compute default parameters */
3612 switch(av->codec_type) {
3613 case CODEC_TYPE_AUDIO:
3614 if (av->bit_rate == 0)
3615 av->bit_rate = 64000;
3616 if (av->sample_rate == 0)
3617 av->sample_rate = 22050;
3618 if (av->channels == 0)
3621 case CODEC_TYPE_VIDEO:
3622 if (av->bit_rate == 0)
3623 av->bit_rate = 64000;
3624 if (av->time_base.num == 0){
3625 av->time_base.den = 5;
3626 av->time_base.num = 1;
3628 if (av->width == 0 || av->height == 0) {
3632 /* Bitrate tolerance is less for streaming */
3633 if (av->bit_rate_tolerance == 0)
3634 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3635 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3640 if (av->max_qdiff == 0)
3642 av->qcompress = 0.5;
3645 if (!av->nsse_weight)
3646 av->nsse_weight = 8;
3648 av->frame_skip_cmp = FF_CMP_DCTMAX;
3649 av->me_method = ME_EPZS;
3650 av->rc_buffer_aggressivity = 1.0;
3653 av->rc_eq = "tex^qComp";
3654 if (!av->i_quant_factor)
3655 av->i_quant_factor = -0.8;
3656 if (!av->b_quant_factor)
3657 av->b_quant_factor = 1.25;
3658 if (!av->b_quant_offset)
3659 av->b_quant_offset = 1.25;
3660 if (!av->rc_max_rate)
3661 av->rc_max_rate = av->bit_rate * 2;
3663 if (av->rc_max_rate && !av->rc_buffer_size) {
3664 av->rc_buffer_size = av->rc_max_rate;
3673 st = av_mallocz(sizeof(AVStream));
3676 st->codec = avcodec_alloc_context();
3677 stream->streams[stream->nb_streams++] = st;
3678 memcpy(st->codec, av, sizeof(AVCodecContext));
3681 static int opt_audio_codec(const char *arg)
3683 AVCodec *p= avcodec_find_encoder_by_name(arg);
3685 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3686 return CODEC_ID_NONE;
3691 static int opt_video_codec(const char *arg)
3693 AVCodec *p= avcodec_find_encoder_by_name(arg);
3695 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3696 return CODEC_ID_NONE;
3701 /* simplistic plugin support */
3704 static void load_module(const char *filename)
3707 void (*init_func)(void);
3708 dll = dlopen(filename, RTLD_NOW);
3710 fprintf(stderr, "Could not load module '%s' - %s\n",
3711 filename, dlerror());
3715 init_func = dlsym(dll, "ffserver_module_init");
3718 "%s: init function 'ffserver_module_init()' not found\n",
3727 static int opt_default(const char *opt, const char *arg,
3728 AVCodecContext *avctx, int type)
3730 const AVOption *o = NULL;
3731 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3733 o = av_set_string(avctx, opt, arg);
3739 static int parse_ffconfig(const char *filename)
3746 int val, errors, line_num;
3747 FFStream **last_stream, *stream, *redirect;
3748 FFStream **last_feed, *feed;
3749 AVCodecContext audio_enc, video_enc;
3750 int audio_id, video_id;
3752 f = fopen(filename, "r");
3760 first_stream = NULL;
3761 last_stream = &first_stream;
3763 last_feed = &first_feed;
3767 audio_id = CODEC_ID_NONE;
3768 video_id = CODEC_ID_NONE;
3770 if (fgets(line, sizeof(line), f) == NULL)
3776 if (*p == '\0' || *p == '#')
3779 get_arg(cmd, sizeof(cmd), &p);
3781 if (!strcasecmp(cmd, "Port")) {
3782 get_arg(arg, sizeof(arg), &p);
3784 if (val < 1 || val > 65536) {
3785 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3786 filename, line_num, arg);
3789 my_http_addr.sin_port = htons(val);
3790 } else if (!strcasecmp(cmd, "BindAddress")) {
3791 get_arg(arg, sizeof(arg), &p);
3792 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3793 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3794 filename, line_num, arg);
3797 } else if (!strcasecmp(cmd, "NoDaemon")) {
3798 ffserver_daemon = 0;
3799 } else if (!strcasecmp(cmd, "RTSPPort")) {
3800 get_arg(arg, sizeof(arg), &p);
3802 if (val < 1 || val > 65536) {
3803 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3804 filename, line_num, arg);
3807 my_rtsp_addr.sin_port = htons(atoi(arg));
3808 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3809 get_arg(arg, sizeof(arg), &p);
3810 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3811 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3812 filename, line_num, arg);
3815 } else if (!strcasecmp(cmd, "MaxClients")) {
3816 get_arg(arg, sizeof(arg), &p);
3818 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3819 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3820 filename, line_num, arg);
3823 nb_max_connections = val;
3825 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3827 get_arg(arg, sizeof(arg), &p);
3829 if (llval < 10 || llval > 10000000) {
3830 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3831 filename, line_num, arg);
3834 max_bandwidth = llval;
3835 } else if (!strcasecmp(cmd, "CustomLog")) {
3836 if (!ffserver_debug)
3837 get_arg(logfilename, sizeof(logfilename), &p);
3838 } else if (!strcasecmp(cmd, "<Feed")) {
3839 /*********************************************/
3840 /* Feed related options */
3842 if (stream || feed) {
3843 fprintf(stderr, "%s:%d: Already in a tag\n",
3844 filename, line_num);
3846 feed = av_mallocz(sizeof(FFStream));
3847 /* add in stream list */
3848 *last_stream = feed;
3849 last_stream = &feed->next;
3850 /* add in feed list */
3852 last_feed = &feed->next_feed;
3854 get_arg(feed->filename, sizeof(feed->filename), &p);
3855 q = strrchr(feed->filename, '>');
3858 feed->fmt = guess_format("ffm", NULL, NULL);
3859 /* defaut feed file */
3860 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3861 "/tmp/%s.ffm", feed->filename);
3862 feed->feed_max_size = 5 * 1024 * 1024;
3864 feed->feed = feed; /* self feeding :-) */
3866 } else if (!strcasecmp(cmd, "Launch")) {
3870 feed->child_argv = av_mallocz(64 * sizeof(char *));
3872 for (i = 0; i < 62; i++) {
3873 get_arg(arg, sizeof(arg), &p);
3877 feed->child_argv[i] = av_strdup(arg);
3880 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3882 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3884 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3885 inet_ntoa(my_http_addr.sin_addr),
3886 ntohs(my_http_addr.sin_port), feed->filename);
3891 fprintf(stdout, "Launch commandline: ");
3892 for (j = 0; j <= i; j++)
3893 fprintf(stdout, "%s ", feed->child_argv[j]);
3894 fprintf(stdout, "\n");
3897 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3899 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3901 } else if (stream) {
3902 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3904 } else if (!strcasecmp(cmd, "File")) {
3906 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3908 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3909 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3914 get_arg(arg, sizeof(arg), &p);
3916 fsize = strtod(p1, &p1);
3917 switch(toupper(*p1)) {
3922 fsize *= 1024 * 1024;
3925 fsize *= 1024 * 1024 * 1024;
3928 feed->feed_max_size = (int64_t)fsize;
3930 } else if (!strcasecmp(cmd, "</Feed>")) {
3932 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3933 filename, line_num);
3937 } else if (!strcasecmp(cmd, "<Stream")) {
3938 /*********************************************/
3939 /* Stream related options */
3941 if (stream || feed) {
3942 fprintf(stderr, "%s:%d: Already in a tag\n",
3943 filename, line_num);
3945 const AVClass *class;
3946 stream = av_mallocz(sizeof(FFStream));
3947 *last_stream = stream;
3948 last_stream = &stream->next;
3950 get_arg(stream->filename, sizeof(stream->filename), &p);
3951 q = strrchr(stream->filename, '>');
3954 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3955 /* fetch avclass so AVOption works
3956 * FIXME try to use avcodec_get_context_defaults2
3957 * without changing defaults too much */
3958 avcodec_get_context_defaults(&video_enc);
3959 class = video_enc.av_class;
3960 memset(&audio_enc, 0, sizeof(AVCodecContext));
3961 memset(&video_enc, 0, sizeof(AVCodecContext));
3962 audio_enc.av_class = class;
3963 video_enc.av_class = class;
3964 audio_id = CODEC_ID_NONE;
3965 video_id = CODEC_ID_NONE;
3967 audio_id = stream->fmt->audio_codec;
3968 video_id = stream->fmt->video_codec;
3971 } else if (!strcasecmp(cmd, "Feed")) {
3972 get_arg(arg, sizeof(arg), &p);
3977 while (sfeed != NULL) {
3978 if (!strcmp(sfeed->filename, arg))
3980 sfeed = sfeed->next_feed;
3983 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3984 filename, line_num, arg);
3986 stream->feed = sfeed;
3988 } else if (!strcasecmp(cmd, "Format")) {
3989 get_arg(arg, sizeof(arg), &p);
3991 if (!strcmp(arg, "status")) {
3992 stream->stream_type = STREAM_TYPE_STATUS;
3995 stream->stream_type = STREAM_TYPE_LIVE;
3996 /* jpeg cannot be used here, so use single frame jpeg */
3997 if (!strcmp(arg, "jpeg"))
3998 strcpy(arg, "mjpeg");
3999 stream->fmt = guess_stream_format(arg, NULL, NULL);
4001 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
4002 filename, line_num, arg);
4007 audio_id = stream->fmt->audio_codec;
4008 video_id = stream->fmt->video_codec;
4011 } else if (!strcasecmp(cmd, "InputFormat")) {
4012 get_arg(arg, sizeof(arg), &p);
4013 stream->ifmt = av_find_input_format(arg);
4014 if (!stream->ifmt) {
4015 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4016 filename, line_num, arg);
4018 } else if (!strcasecmp(cmd, "FaviconURL")) {
4019 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4020 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4022 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4023 filename, line_num);
4026 } else if (!strcasecmp(cmd, "Author")) {
4028 get_arg(stream->author, sizeof(stream->author), &p);
4029 } else if (!strcasecmp(cmd, "Comment")) {
4031 get_arg(stream->comment, sizeof(stream->comment), &p);
4032 } else if (!strcasecmp(cmd, "Copyright")) {
4034 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4035 } else if (!strcasecmp(cmd, "Title")) {
4037 get_arg(stream->title, sizeof(stream->title), &p);
4038 } else if (!strcasecmp(cmd, "Preroll")) {
4039 get_arg(arg, sizeof(arg), &p);
4041 stream->prebuffer = atof(arg) * 1000;
4042 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4044 stream->send_on_key = 1;
4045 } else if (!strcasecmp(cmd, "AudioCodec")) {
4046 get_arg(arg, sizeof(arg), &p);
4047 audio_id = opt_audio_codec(arg);
4048 if (audio_id == CODEC_ID_NONE) {
4049 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4050 filename, line_num, arg);
4053 } else if (!strcasecmp(cmd, "VideoCodec")) {
4054 get_arg(arg, sizeof(arg), &p);
4055 video_id = opt_video_codec(arg);
4056 if (video_id == CODEC_ID_NONE) {
4057 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4058 filename, line_num, arg);
4061 } else if (!strcasecmp(cmd, "MaxTime")) {
4062 get_arg(arg, sizeof(arg), &p);
4064 stream->max_time = atof(arg) * 1000;
4065 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4066 get_arg(arg, sizeof(arg), &p);
4068 audio_enc.bit_rate = atoi(arg) * 1000;
4069 } else if (!strcasecmp(cmd, "AudioChannels")) {
4070 get_arg(arg, sizeof(arg), &p);
4072 audio_enc.channels = atoi(arg);
4073 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4074 get_arg(arg, sizeof(arg), &p);
4076 audio_enc.sample_rate = atoi(arg);
4077 } else if (!strcasecmp(cmd, "AudioQuality")) {
4078 get_arg(arg, sizeof(arg), &p);
4080 // audio_enc.quality = atof(arg) * 1000;
4082 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4084 int minrate, maxrate;
4086 get_arg(arg, sizeof(arg), &p);
4088 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4089 video_enc.rc_min_rate = minrate * 1000;
4090 video_enc.rc_max_rate = maxrate * 1000;
4092 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4093 filename, line_num, arg);
4097 } else if (!strcasecmp(cmd, "Debug")) {
4099 get_arg(arg, sizeof(arg), &p);
4100 video_enc.debug = strtol(arg,0,0);
4102 } else if (!strcasecmp(cmd, "Strict")) {
4104 get_arg(arg, sizeof(arg), &p);
4105 video_enc.strict_std_compliance = atoi(arg);
4107 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4109 get_arg(arg, sizeof(arg), &p);
4110 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4112 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4114 get_arg(arg, sizeof(arg), &p);
4115 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4117 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4118 get_arg(arg, sizeof(arg), &p);
4120 video_enc.bit_rate = atoi(arg) * 1000;
4122 } else if (!strcasecmp(cmd, "VideoSize")) {
4123 get_arg(arg, sizeof(arg), &p);
4125 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4126 if ((video_enc.width % 16) != 0 ||
4127 (video_enc.height % 16) != 0) {
4128 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4129 filename, line_num);
4133 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4134 get_arg(arg, sizeof(arg), &p);
4136 AVRational frame_rate;
4137 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4138 fprintf(stderr, "Incorrect frame rate\n");
4141 video_enc.time_base.num = frame_rate.den;
4142 video_enc.time_base.den = frame_rate.num;
4145 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4146 get_arg(arg, sizeof(arg), &p);
4148 video_enc.gop_size = atoi(arg);
4149 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4151 video_enc.gop_size = 1;
4152 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4154 video_enc.mb_decision = FF_MB_DECISION_BITS;
4155 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4157 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4158 video_enc.flags |= CODEC_FLAG_4MV;
4160 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4161 !strcasecmp(cmd, "AVOptionAudio")) {
4163 AVCodecContext *avctx;
4165 get_arg(arg, sizeof(arg), &p);
4166 get_arg(arg2, sizeof(arg2), &p);
4167 if (!strcasecmp(cmd, "AVOptionVideo")) {
4169 type = AV_OPT_FLAG_VIDEO_PARAM;
4172 type = AV_OPT_FLAG_AUDIO_PARAM;
4174 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4175 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4178 } else if (!strcasecmp(cmd, "VideoTag")) {
4179 get_arg(arg, sizeof(arg), &p);
4180 if ((strlen(arg) == 4) && stream)
4181 video_enc.codec_tag = ff_get_fourcc(arg);
4182 } else if (!strcasecmp(cmd, "BitExact")) {
4184 video_enc.flags |= CODEC_FLAG_BITEXACT;
4185 } else if (!strcasecmp(cmd, "DctFastint")) {
4187 video_enc.dct_algo = FF_DCT_FASTINT;
4188 } else if (!strcasecmp(cmd, "IdctSimple")) {
4190 video_enc.idct_algo = FF_IDCT_SIMPLE;
4191 } else if (!strcasecmp(cmd, "Qscale")) {
4192 get_arg(arg, sizeof(arg), &p);
4194 video_enc.flags |= CODEC_FLAG_QSCALE;
4195 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4197 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4198 get_arg(arg, sizeof(arg), &p);
4200 video_enc.max_qdiff = atoi(arg);
4201 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4202 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4203 filename, line_num);
4207 } else if (!strcasecmp(cmd, "VideoQMax")) {
4208 get_arg(arg, sizeof(arg), &p);
4210 video_enc.qmax = atoi(arg);
4211 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4212 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4213 filename, line_num);
4217 } else if (!strcasecmp(cmd, "VideoQMin")) {
4218 get_arg(arg, sizeof(arg), &p);
4220 video_enc.qmin = atoi(arg);
4221 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4222 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4223 filename, line_num);
4227 } else if (!strcasecmp(cmd, "LumaElim")) {
4228 get_arg(arg, sizeof(arg), &p);
4230 video_enc.luma_elim_threshold = atoi(arg);
4231 } else if (!strcasecmp(cmd, "ChromaElim")) {
4232 get_arg(arg, sizeof(arg), &p);
4234 video_enc.chroma_elim_threshold = atoi(arg);
4235 } else if (!strcasecmp(cmd, "LumiMask")) {
4236 get_arg(arg, sizeof(arg), &p);
4238 video_enc.lumi_masking = atof(arg);
4239 } else if (!strcasecmp(cmd, "DarkMask")) {
4240 get_arg(arg, sizeof(arg), &p);
4242 video_enc.dark_masking = atof(arg);
4243 } else if (!strcasecmp(cmd, "NoVideo")) {
4244 video_id = CODEC_ID_NONE;
4245 } else if (!strcasecmp(cmd, "NoAudio")) {
4246 audio_id = CODEC_ID_NONE;
4247 } else if (!strcasecmp(cmd, "ACL")) {
4250 get_arg(arg, sizeof(arg), &p);
4251 if (strcasecmp(arg, "allow") == 0)
4252 acl.action = IP_ALLOW;
4253 else if (strcasecmp(arg, "deny") == 0)
4254 acl.action = IP_DENY;
4256 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4257 filename, line_num, arg);
4261 get_arg(arg, sizeof(arg), &p);
4263 if (resolve_host(&acl.first, arg) != 0) {
4264 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4265 filename, line_num, arg);
4268 acl.last = acl.first;
4270 get_arg(arg, sizeof(arg), &p);
4273 if (resolve_host(&acl.last, arg) != 0) {
4274 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4275 filename, line_num, arg);
4281 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4282 IPAddressACL **naclp = 0;
4288 naclp = &stream->acl;
4292 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4293 filename, line_num);
4299 naclp = &(*naclp)->next;
4304 } else if (!strcasecmp(cmd, "RTSPOption")) {
4305 get_arg(arg, sizeof(arg), &p);
4307 av_freep(&stream->rtsp_option);
4308 stream->rtsp_option = av_strdup(arg);
4310 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4311 get_arg(arg, sizeof(arg), &p);
4313 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4314 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4315 filename, line_num, arg);
4318 stream->is_multicast = 1;
4319 stream->loop = 1; /* default is looping */
4321 } else if (!strcasecmp(cmd, "MulticastPort")) {
4322 get_arg(arg, sizeof(arg), &p);
4324 stream->multicast_port = atoi(arg);
4325 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4326 get_arg(arg, sizeof(arg), &p);
4328 stream->multicast_ttl = atoi(arg);
4329 } else if (!strcasecmp(cmd, "NoLoop")) {
4332 } else if (!strcasecmp(cmd, "</Stream>")) {
4334 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4335 filename, line_num);
4338 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4339 if (audio_id != CODEC_ID_NONE) {
4340 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4341 audio_enc.codec_id = audio_id;
4342 add_codec(stream, &audio_enc);
4344 if (video_id != CODEC_ID_NONE) {
4345 video_enc.codec_type = CODEC_TYPE_VIDEO;
4346 video_enc.codec_id = video_id;
4347 add_codec(stream, &video_enc);
4352 } else if (!strcasecmp(cmd, "<Redirect")) {
4353 /*********************************************/
4355 if (stream || feed || redirect) {
4356 fprintf(stderr, "%s:%d: Already in a tag\n",
4357 filename, line_num);
4360 redirect = av_mallocz(sizeof(FFStream));
4361 *last_stream = redirect;
4362 last_stream = &redirect->next;
4364 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4365 q = strrchr(redirect->filename, '>');
4368 redirect->stream_type = STREAM_TYPE_REDIRECT;
4370 } else if (!strcasecmp(cmd, "URL")) {
4372 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4373 } else if (!strcasecmp(cmd, "</Redirect>")) {
4375 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4376 filename, line_num);
4379 if (!redirect->feed_filename[0]) {
4380 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4381 filename, line_num);
4386 } else if (!strcasecmp(cmd, "LoadModule")) {
4387 get_arg(arg, sizeof(arg), &p);
4391 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4392 filename, line_num, arg);
4396 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4397 filename, line_num, cmd);
4409 static void handle_child_exit(int sig)
4414 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4417 for (feed = first_feed; feed; feed = feed->next) {
4418 if (feed->pid == pid) {
4419 int uptime = time(0) - feed->pid_start;
4422 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4425 /* Turn off any more restarts */
4426 feed->child_argv = 0;
4431 need_to_start_children = 1;
4434 static void opt_debug()
4437 ffserver_daemon = 0;
4438 logfilename[0] = '-';
4441 static void opt_show_help(void)
4443 printf("usage: ffserver [options]\n"
4444 "Hyper fast multi format Audio/Video streaming server\n");
4446 show_help_options(options, "Main options:\n", 0, 0);
4449 static const OptionDef options[] = {
4450 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4451 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4452 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4453 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4454 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4455 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4456 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4460 int main(int argc, char **argv)
4462 struct sigaction sigact;
4468 config_filename = "/etc/ffserver.conf";
4470 my_program_name = argv[0];
4471 my_program_dir = getcwd(0, 0);
4472 ffserver_daemon = 1;
4474 parse_options(argc, argv, options, NULL);
4476 unsetenv("http_proxy"); /* Kill the http_proxy */
4478 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4480 memset(&sigact, 0, sizeof(sigact));
4481 sigact.sa_handler = handle_child_exit;
4482 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4483 sigaction(SIGCHLD, &sigact, 0);
4485 if (parse_ffconfig(config_filename) < 0) {
4486 fprintf(stderr, "Incorrect config file - exiting.\n");
4490 build_file_streams();
4492 build_feed_streams();
4494 compute_bandwidth();
4496 /* put the process in background and detach it from its TTY */
4497 if (ffserver_daemon) {
4504 } else if (pid > 0) {
4512 open("/dev/null", O_RDWR);
4513 if (strcmp(logfilename, "-") != 0) {
4523 signal(SIGPIPE, SIG_IGN);
4525 /* open log file if needed */
4526 if (logfilename[0] != '\0') {
4527 if (!strcmp(logfilename, "-"))
4530 logfile = fopen(logfilename, "a");
4531 av_log_set_callback(http_av_log);
4534 if (http_server() < 0) {
4535 http_log("Could not start server\n");