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 for(i=0;i<c->stream->nb_streams;i++) {
2046 st = av_mallocz(sizeof(AVStream));
2047 c->fmt_ctx.streams[i] = st;
2048 /* if file or feed, then just take streams from FFStream struct */
2049 if (!c->stream->feed ||
2050 c->stream->feed == c->stream)
2051 src = c->stream->streams[i];
2053 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2057 st->codec->frame_number = 0; /* XXX: should be done in
2058 AVStream, not in codec */
2060 /* set output format parameters */
2061 c->fmt_ctx.oformat = c->stream->fmt;
2062 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2064 c->got_key_frame = 0;
2066 /* prepare header and save header data in a stream */
2067 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2068 /* XXX: potential leak */
2071 c->fmt_ctx.pb->is_streamed = 1;
2074 * HACK to avoid mpeg ps muxer to spit many underflow errors
2075 * Default value from FFmpeg
2076 * Try to set it use configuration option
2078 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2079 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2081 av_set_parameters(&c->fmt_ctx, NULL);
2082 if (av_write_header(&c->fmt_ctx) < 0) {
2083 http_log("Error writing output header\n");
2087 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2088 c->buffer_ptr = c->pb_buffer;
2089 c->buffer_end = c->pb_buffer + len;
2091 c->state = HTTPSTATE_SEND_DATA;
2092 c->last_packet_sent = 0;
2094 case HTTPSTATE_SEND_DATA:
2095 /* find a new packet */
2096 /* read a packet from the input stream */
2097 if (c->stream->feed)
2098 ffm_set_write_index(c->fmt_in,
2099 c->stream->feed->feed_write_index,
2100 c->stream->feed->feed_size);
2102 if (c->stream->max_time &&
2103 c->stream->max_time + c->start_time - cur_time < 0)
2104 /* We have timed out */
2105 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2109 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2110 if (c->stream->feed && c->stream->feed->feed_opened) {
2111 /* if coming from feed, it means we reached the end of the
2112 ffm file, so must wait for more data */
2113 c->state = HTTPSTATE_WAIT_FEED;
2114 return 1; /* state changed */
2116 if (c->stream->loop) {
2117 av_close_input_file(c->fmt_in);
2119 if (open_input_stream(c, "") < 0)
2124 /* must send trailer now because eof or error */
2125 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2129 int source_index = pkt.stream_index;
2130 /* update first pts if needed */
2131 if (c->first_pts == AV_NOPTS_VALUE) {
2132 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2133 c->start_time = cur_time;
2135 /* send it to the appropriate stream */
2136 if (c->stream->feed) {
2137 /* if coming from a feed, select the right stream */
2138 if (c->switch_pending) {
2139 c->switch_pending = 0;
2140 for(i=0;i<c->stream->nb_streams;i++) {
2141 if (c->switch_feed_streams[i] == pkt.stream_index)
2142 if (pkt.flags & PKT_FLAG_KEY)
2143 do_switch_stream(c, i);
2144 if (c->switch_feed_streams[i] >= 0)
2145 c->switch_pending = 1;
2148 for(i=0;i<c->stream->nb_streams;i++) {
2149 if (c->feed_streams[i] == pkt.stream_index) {
2150 AVStream *st = c->fmt_in->streams[source_index];
2151 pkt.stream_index = i;
2152 if (pkt.flags & PKT_FLAG_KEY &&
2153 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2154 c->stream->nb_streams == 1))
2155 c->got_key_frame = 1;
2156 if (!c->stream->send_on_key || c->got_key_frame)
2161 AVCodecContext *codec;
2162 AVStream *ist, *ost;
2164 ist = c->fmt_in->streams[source_index];
2165 ost = ctx->streams[pkt.stream_index];
2166 /* specific handling for RTP: we use several
2167 output stream (one for each RTP
2168 connection). XXX: need more abstract handling */
2169 if (c->is_packetized) {
2170 /* compute send time and duration */
2171 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2172 if (ist->start_time != AV_NOPTS_VALUE)
2173 c->cur_pts -= av_rescale_q(ist->start_time, ist->time_base, AV_TIME_BASE_Q);
2174 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2176 printf("index=%d pts=%0.3f duration=%0.6f\n",
2178 (double)c->cur_pts /
2180 (double)c->cur_frame_duration /
2183 /* find RTP context */
2184 c->packet_stream_index = pkt.stream_index;
2185 ctx = c->rtp_ctx[c->packet_stream_index];
2187 av_free_packet(&pkt);
2190 codec = ctx->streams[0]->codec;
2191 /* only one stream per RTP connection */
2192 pkt.stream_index = 0;
2199 if (c->is_packetized) {
2200 int max_packet_size;
2201 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2202 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2204 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2205 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2207 ret = url_open_dyn_buf(&ctx->pb);
2210 /* XXX: potential leak */
2213 c->fmt_ctx.pb->is_streamed = 1;
2214 if (pkt.dts != AV_NOPTS_VALUE)
2215 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2216 if (pkt.pts != AV_NOPTS_VALUE)
2217 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2218 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2219 if (av_write_frame(ctx, &pkt) < 0) {
2220 http_log("Error writing frame to output\n");
2221 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2224 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2225 c->cur_frame_bytes = len;
2226 c->buffer_ptr = c->pb_buffer;
2227 c->buffer_end = c->pb_buffer + len;
2229 codec->frame_number++;
2231 av_free_packet(&pkt);
2235 av_free_packet(&pkt);
2240 case HTTPSTATE_SEND_DATA_TRAILER:
2241 /* last packet test ? */
2242 if (c->last_packet_sent || c->is_packetized)
2245 /* prepare header */
2246 if (url_open_dyn_buf(&ctx->pb) < 0) {
2247 /* XXX: potential leak */
2250 c->fmt_ctx.pb->is_streamed = 1;
2251 av_write_trailer(ctx);
2252 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2253 c->buffer_ptr = c->pb_buffer;
2254 c->buffer_end = c->pb_buffer + len;
2256 c->last_packet_sent = 1;
2262 /* should convert the format at the same time */
2263 /* send data starting at c->buffer_ptr to the output connection
2264 (either UDP or TCP connection) */
2265 static int http_send_data(HTTPContext *c)
2270 if (c->buffer_ptr >= c->buffer_end) {
2271 ret = http_prepare_data(c);
2275 /* state change requested */
2278 if (c->is_packetized) {
2279 /* RTP data output */
2280 len = c->buffer_end - c->buffer_ptr;
2282 /* fail safe - should never happen */
2284 c->buffer_ptr = c->buffer_end;
2287 len = (c->buffer_ptr[0] << 24) |
2288 (c->buffer_ptr[1] << 16) |
2289 (c->buffer_ptr[2] << 8) |
2291 if (len > (c->buffer_end - c->buffer_ptr))
2293 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2294 /* nothing to send yet: we can wait */
2298 c->data_count += len;
2299 update_datarate(&c->datarate, c->data_count);
2301 c->stream->bytes_served += len;
2303 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2304 /* RTP packets are sent inside the RTSP TCP connection */
2306 int interleaved_index, size;
2308 HTTPContext *rtsp_c;
2311 /* if no RTSP connection left, error */
2314 /* if already sending something, then wait. */
2315 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2317 if (url_open_dyn_buf(&pb) < 0)
2319 interleaved_index = c->packet_stream_index * 2;
2320 /* RTCP packets are sent at odd indexes */
2321 if (c->buffer_ptr[1] == 200)
2322 interleaved_index++;
2323 /* write RTSP TCP header */
2325 header[1] = interleaved_index;
2326 header[2] = len >> 8;
2328 put_buffer(pb, header, 4);
2329 /* write RTP packet data */
2331 put_buffer(pb, c->buffer_ptr, len);
2332 size = url_close_dyn_buf(pb, &c->packet_buffer);
2333 /* prepare asynchronous TCP sending */
2334 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2335 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2336 c->buffer_ptr += len;
2338 /* send everything we can NOW */
2339 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2340 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2342 rtsp_c->packet_buffer_ptr += len;
2343 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2344 /* if we could not send all the data, we will
2345 send it later, so a new state is needed to
2346 "lock" the RTSP TCP connection */
2347 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2350 /* all data has been sent */
2351 av_freep(&c->packet_buffer);
2353 /* send RTP packet directly in UDP */
2355 url_write(c->rtp_handles[c->packet_stream_index],
2356 c->buffer_ptr, len);
2357 c->buffer_ptr += len;
2358 /* here we continue as we can send several packets per 10 ms slot */
2361 /* TCP data output */
2362 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2364 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2365 ff_neterrno() != FF_NETERROR(EINTR))
2366 /* error : close connection */
2371 c->buffer_ptr += len;
2373 c->data_count += len;
2374 update_datarate(&c->datarate, c->data_count);
2376 c->stream->bytes_served += len;
2384 static int http_start_receive_data(HTTPContext *c)
2388 if (c->stream->feed_opened)
2391 /* Don't permit writing to this one */
2392 if (c->stream->readonly)
2396 fd = open(c->stream->feed_filename, O_RDWR);
2398 http_log("Error opening feeder file: %s\n", strerror(errno));
2403 c->stream->feed_write_index = ffm_read_write_index(fd);
2404 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2405 lseek(fd, 0, SEEK_SET);
2407 /* init buffer input */
2408 c->buffer_ptr = c->buffer;
2409 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2410 c->stream->feed_opened = 1;
2414 static int http_receive_data(HTTPContext *c)
2418 if (c->buffer_end > c->buffer_ptr) {
2421 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2423 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2424 ff_neterrno() != FF_NETERROR(EINTR))
2425 /* error : close connection */
2427 } else if (len == 0)
2428 /* end of connection : close it */
2431 c->buffer_ptr += len;
2432 c->data_count += len;
2433 update_datarate(&c->datarate, c->data_count);
2437 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2438 if (c->buffer[0] != 'f' ||
2439 c->buffer[1] != 'm') {
2440 http_log("Feed stream has become desynchronized -- disconnecting\n");
2445 if (c->buffer_ptr >= c->buffer_end) {
2446 FFStream *feed = c->stream;
2447 /* a packet has been received : write it in the store, except
2449 if (c->data_count > FFM_PACKET_SIZE) {
2451 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2452 /* XXX: use llseek or url_seek */
2453 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2454 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2455 http_log("Error writing to feed file: %s\n", strerror(errno));
2459 feed->feed_write_index += FFM_PACKET_SIZE;
2460 /* update file size */
2461 if (feed->feed_write_index > c->stream->feed_size)
2462 feed->feed_size = feed->feed_write_index;
2464 /* handle wrap around if max file size reached */
2465 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2466 feed->feed_write_index = FFM_PACKET_SIZE;
2469 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2471 /* wake up any waiting connections */
2472 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2473 if (c1->state == HTTPSTATE_WAIT_FEED &&
2474 c1->stream->feed == c->stream->feed)
2475 c1->state = HTTPSTATE_SEND_DATA;
2478 /* We have a header in our hands that contains useful data */
2479 AVFormatContext *s = NULL;
2481 AVInputFormat *fmt_in;
2484 /* use feed output format name to find corresponding input format */
2485 fmt_in = av_find_input_format(feed->fmt->name);
2489 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2490 pb->is_streamed = 1;
2492 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2497 /* Now we have the actual streams */
2498 if (s->nb_streams != feed->nb_streams) {
2499 av_close_input_stream(s);
2504 for (i = 0; i < s->nb_streams; i++)
2505 memcpy(feed->streams[i]->codec,
2506 s->streams[i]->codec, sizeof(AVCodecContext));
2508 av_close_input_stream(s);
2511 c->buffer_ptr = c->buffer;
2516 c->stream->feed_opened = 0;
2518 /* wake up any waiting connections to stop waiting for feed */
2519 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2520 if (c1->state == HTTPSTATE_WAIT_FEED &&
2521 c1->stream->feed == c->stream->feed)
2522 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2527 /********************************************************************/
2530 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2537 switch(error_number) {
2538 case RTSP_STATUS_OK:
2541 case RTSP_STATUS_METHOD:
2542 str = "Method Not Allowed";
2544 case RTSP_STATUS_BANDWIDTH:
2545 str = "Not Enough Bandwidth";
2547 case RTSP_STATUS_SESSION:
2548 str = "Session Not Found";
2550 case RTSP_STATUS_STATE:
2551 str = "Method Not Valid in This State";
2553 case RTSP_STATUS_AGGREGATE:
2554 str = "Aggregate operation not allowed";
2556 case RTSP_STATUS_ONLY_AGGREGATE:
2557 str = "Only aggregate operation allowed";
2559 case RTSP_STATUS_TRANSPORT:
2560 str = "Unsupported transport";
2562 case RTSP_STATUS_INTERNAL:
2563 str = "Internal Server Error";
2565 case RTSP_STATUS_SERVICE:
2566 str = "Service Unavailable";
2568 case RTSP_STATUS_VERSION:
2569 str = "RTSP Version not supported";
2572 str = "Unknown Error";
2576 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2577 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2579 /* output GMT time */
2583 p = buf2 + strlen(p) - 1;
2586 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2589 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2591 rtsp_reply_header(c, error_number);
2592 url_fprintf(c->pb, "\r\n");
2595 static int rtsp_parse_request(HTTPContext *c)
2597 const char *p, *p1, *p2;
2603 RTSPHeader header1, *header = &header1;
2605 c->buffer_ptr[0] = '\0';
2608 get_word(cmd, sizeof(cmd), &p);
2609 get_word(url, sizeof(url), &p);
2610 get_word(protocol, sizeof(protocol), &p);
2612 av_strlcpy(c->method, cmd, sizeof(c->method));
2613 av_strlcpy(c->url, url, sizeof(c->url));
2614 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2616 if (url_open_dyn_buf(&c->pb) < 0) {
2617 /* XXX: cannot do more */
2618 c->pb = NULL; /* safety */
2622 /* check version name */
2623 if (strcmp(protocol, "RTSP/1.0") != 0) {
2624 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2628 /* parse each header line */
2629 memset(header, 0, sizeof(RTSPHeader));
2630 /* skip to next line */
2631 while (*p != '\n' && *p != '\0')
2635 while (*p != '\0') {
2636 p1 = strchr(p, '\n');
2640 if (p2 > p && p2[-1] == '\r')
2642 /* skip empty line */
2646 if (len > sizeof(line) - 1)
2647 len = sizeof(line) - 1;
2648 memcpy(line, p, len);
2650 rtsp_parse_line(header, line);
2654 /* handle sequence number */
2655 c->seq = header->seq;
2657 if (!strcmp(cmd, "DESCRIBE"))
2658 rtsp_cmd_describe(c, url);
2659 else if (!strcmp(cmd, "OPTIONS"))
2660 rtsp_cmd_options(c, url);
2661 else if (!strcmp(cmd, "SETUP"))
2662 rtsp_cmd_setup(c, url, header);
2663 else if (!strcmp(cmd, "PLAY"))
2664 rtsp_cmd_play(c, url, header);
2665 else if (!strcmp(cmd, "PAUSE"))
2666 rtsp_cmd_pause(c, url, header);
2667 else if (!strcmp(cmd, "TEARDOWN"))
2668 rtsp_cmd_teardown(c, url, header);
2670 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2673 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2674 c->pb = NULL; /* safety */
2676 /* XXX: cannot do more */
2679 c->buffer_ptr = c->pb_buffer;
2680 c->buffer_end = c->pb_buffer + len;
2681 c->state = RTSPSTATE_SEND_REPLY;
2685 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2686 struct in_addr my_ip)
2688 AVFormatContext *avc;
2689 AVStream avs[MAX_STREAMS];
2692 avc = av_alloc_format_context();
2696 if (stream->title[0] != 0) {
2697 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2699 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2701 avc->nb_streams = stream->nb_streams;
2702 if (stream->is_multicast) {
2703 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2704 inet_ntoa(stream->multicast_ip),
2705 stream->multicast_port, stream->multicast_ttl);
2708 for(i = 0; i < stream->nb_streams; i++) {
2709 avc->streams[i] = &avs[i];
2710 avc->streams[i]->codec = stream->streams[i]->codec;
2712 *pbuffer = av_mallocz(2048);
2713 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2716 return strlen(*pbuffer);
2719 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2721 // rtsp_reply_header(c, RTSP_STATUS_OK);
2722 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2723 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2724 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2725 url_fprintf(c->pb, "\r\n");
2728 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2734 int content_length, len;
2735 struct sockaddr_in my_addr;
2737 /* find which url is asked */
2738 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2743 for(stream = first_stream; stream != NULL; stream = stream->next) {
2744 if (!stream->is_feed &&
2745 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2746 !strcmp(path, stream->filename)) {
2750 /* no stream found */
2751 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2755 /* prepare the media description in sdp format */
2757 /* get the host IP */
2758 len = sizeof(my_addr);
2759 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2760 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2761 if (content_length < 0) {
2762 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2765 rtsp_reply_header(c, RTSP_STATUS_OK);
2766 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2767 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2768 url_fprintf(c->pb, "\r\n");
2769 put_buffer(c->pb, content, content_length);
2772 static HTTPContext *find_rtp_session(const char *session_id)
2776 if (session_id[0] == '\0')
2779 for(c = first_http_ctx; c != NULL; c = c->next) {
2780 if (!strcmp(c->session_id, session_id))
2786 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2788 RTSPTransportField *th;
2791 for(i=0;i<h->nb_transports;i++) {
2792 th = &h->transports[i];
2793 if (th->protocol == protocol)
2799 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2803 int stream_index, port;
2808 RTSPTransportField *th;
2809 struct sockaddr_in dest_addr;
2810 RTSPActionServerSetup setup;
2812 /* find which url is asked */
2813 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2818 /* now check each stream */
2819 for(stream = first_stream; stream != NULL; stream = stream->next) {
2820 if (!stream->is_feed &&
2821 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2822 /* accept aggregate filenames only if single stream */
2823 if (!strcmp(path, stream->filename)) {
2824 if (stream->nb_streams != 1) {
2825 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2832 for(stream_index = 0; stream_index < stream->nb_streams;
2834 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2835 stream->filename, stream_index);
2836 if (!strcmp(path, buf))
2841 /* no stream found */
2842 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2846 /* generate session id if needed */
2847 if (h->session_id[0] == '\0')
2848 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2849 av_random(&random_state), av_random(&random_state));
2851 /* find rtp session, and create it if none found */
2852 rtp_c = find_rtp_session(h->session_id);
2854 /* always prefer UDP */
2855 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2857 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2859 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2864 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2867 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2871 /* open input stream */
2872 if (open_input_stream(rtp_c, "") < 0) {
2873 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2878 /* test if stream is OK (test needed because several SETUP needs
2879 to be done for a given file) */
2880 if (rtp_c->stream != stream) {
2881 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2885 /* test if stream is already set up */
2886 if (rtp_c->rtp_ctx[stream_index]) {
2887 rtsp_reply_error(c, RTSP_STATUS_STATE);
2891 /* check transport */
2892 th = find_transport(h, rtp_c->rtp_protocol);
2893 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2894 th->client_port_min <= 0)) {
2895 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2899 /* setup default options */
2900 setup.transport_option[0] = '\0';
2901 dest_addr = rtp_c->from_addr;
2902 dest_addr.sin_port = htons(th->client_port_min);
2905 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2906 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2910 /* now everything is OK, so we can send the connection parameters */
2911 rtsp_reply_header(c, RTSP_STATUS_OK);
2913 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2915 switch(rtp_c->rtp_protocol) {
2916 case RTSP_PROTOCOL_RTP_UDP:
2917 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2918 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2919 "client_port=%d-%d;server_port=%d-%d",
2920 th->client_port_min, th->client_port_min + 1,
2923 case RTSP_PROTOCOL_RTP_TCP:
2924 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2925 stream_index * 2, stream_index * 2 + 1);
2930 if (setup.transport_option[0] != '\0')
2931 url_fprintf(c->pb, ";%s", setup.transport_option);
2932 url_fprintf(c->pb, "\r\n");
2935 url_fprintf(c->pb, "\r\n");
2939 /* find an rtp connection by using the session ID. Check consistency
2941 static HTTPContext *find_rtp_session_with_url(const char *url,
2942 const char *session_id)
2950 rtp_c = find_rtp_session(session_id);
2954 /* find which url is asked */
2955 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2959 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2960 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2961 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2962 rtp_c->stream->filename, s);
2963 if(!strncmp(path, buf, sizeof(buf))) {
2964 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2971 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2975 rtp_c = find_rtp_session_with_url(url, h->session_id);
2977 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2981 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2982 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2983 rtp_c->state != HTTPSTATE_READY) {
2984 rtsp_reply_error(c, RTSP_STATUS_STATE);
2989 /* XXX: seek in stream */
2990 if (h->range_start != AV_NOPTS_VALUE) {
2991 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2992 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2996 rtp_c->state = HTTPSTATE_SEND_DATA;
2998 /* now everything is OK, so we can send the connection parameters */
2999 rtsp_reply_header(c, RTSP_STATUS_OK);
3001 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3002 url_fprintf(c->pb, "\r\n");
3005 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3009 rtp_c = find_rtp_session_with_url(url, h->session_id);
3011 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3015 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3016 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3017 rtsp_reply_error(c, RTSP_STATUS_STATE);
3021 rtp_c->state = HTTPSTATE_READY;
3022 rtp_c->first_pts = AV_NOPTS_VALUE;
3023 /* now everything is OK, so we can send the connection parameters */
3024 rtsp_reply_header(c, RTSP_STATUS_OK);
3026 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3027 url_fprintf(c->pb, "\r\n");
3030 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3033 char session_id[32];
3035 rtp_c = find_rtp_session_with_url(url, h->session_id);
3037 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3041 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3043 /* abort the session */
3044 close_connection(rtp_c);
3046 /* now everything is OK, so we can send the connection parameters */
3047 rtsp_reply_header(c, RTSP_STATUS_OK);
3049 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3050 url_fprintf(c->pb, "\r\n");
3054 /********************************************************************/
3057 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3058 FFStream *stream, const char *session_id,
3059 enum RTSPProtocol rtp_protocol)
3061 HTTPContext *c = NULL;
3062 const char *proto_str;
3064 /* XXX: should output a warning page when coming
3065 close to the connection limit */
3066 if (nb_connections >= nb_max_connections)
3069 /* add a new connection */
3070 c = av_mallocz(sizeof(HTTPContext));
3075 c->poll_entry = NULL;
3076 c->from_addr = *from_addr;
3077 c->buffer_size = IOBUFFER_INIT_SIZE;
3078 c->buffer = av_malloc(c->buffer_size);
3083 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3084 c->state = HTTPSTATE_READY;
3085 c->is_packetized = 1;
3086 c->rtp_protocol = rtp_protocol;
3088 /* protocol is shown in statistics */
3089 switch(c->rtp_protocol) {
3090 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3091 proto_str = "MCAST";
3093 case RTSP_PROTOCOL_RTP_UDP:
3096 case RTSP_PROTOCOL_RTP_TCP:
3103 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3104 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3106 current_bandwidth += stream->bandwidth;
3108 c->next = first_http_ctx;
3120 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3121 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3123 static int rtp_new_av_stream(HTTPContext *c,
3124 int stream_index, struct sockaddr_in *dest_addr,
3125 HTTPContext *rtsp_c)
3127 AVFormatContext *ctx;
3130 URLContext *h = NULL;
3132 int max_packet_size;
3134 /* now we can open the relevant output stream */
3135 ctx = av_alloc_format_context();
3138 ctx->oformat = guess_format("rtp", NULL, NULL);
3140 st = av_mallocz(sizeof(AVStream));
3143 st->codec= avcodec_alloc_context();
3144 ctx->nb_streams = 1;
3145 ctx->streams[0] = st;
3147 if (!c->stream->feed ||
3148 c->stream->feed == c->stream)
3149 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3152 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3154 st->priv_data = NULL;
3156 /* build destination RTP address */
3157 ipaddr = inet_ntoa(dest_addr->sin_addr);
3159 switch(c->rtp_protocol) {
3160 case RTSP_PROTOCOL_RTP_UDP:
3161 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3164 /* XXX: also pass as parameter to function ? */
3165 if (c->stream->is_multicast) {
3167 ttl = c->stream->multicast_ttl;
3170 snprintf(ctx->filename, sizeof(ctx->filename),
3171 "rtp://%s:%d?multicast=1&ttl=%d",
3172 ipaddr, ntohs(dest_addr->sin_port), ttl);
3174 snprintf(ctx->filename, sizeof(ctx->filename),
3175 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3178 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3180 c->rtp_handles[stream_index] = h;
3181 max_packet_size = url_get_max_packet_size(h);
3183 case RTSP_PROTOCOL_RTP_TCP:
3186 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3192 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3193 ipaddr, ntohs(dest_addr->sin_port),
3194 c->stream->filename, stream_index, c->protocol);
3196 /* normally, no packets should be output here, but the packet size may be checked */
3197 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3198 /* XXX: close stream */
3201 av_set_parameters(ctx, NULL);
3202 if (av_write_header(ctx) < 0) {
3209 url_close_dyn_buf(ctx->pb, &dummy_buf);
3212 c->rtp_ctx[stream_index] = ctx;
3216 /********************************************************************/
3217 /* ffserver initialization */
3219 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3223 fst = av_mallocz(sizeof(AVStream));
3226 fst->codec= avcodec_alloc_context();
3227 fst->priv_data = av_mallocz(sizeof(FeedData));
3228 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3229 fst->index = stream->nb_streams;
3230 av_set_pts_info(fst, 33, 1, 90000);
3231 stream->streams[stream->nb_streams++] = fst;
3235 /* return the stream number in the feed */
3236 static int add_av_stream(FFStream *feed, AVStream *st)
3239 AVCodecContext *av, *av1;
3243 for(i=0;i<feed->nb_streams;i++) {
3244 st = feed->streams[i];
3246 if (av1->codec_id == av->codec_id &&
3247 av1->codec_type == av->codec_type &&
3248 av1->bit_rate == av->bit_rate) {
3250 switch(av->codec_type) {
3251 case CODEC_TYPE_AUDIO:
3252 if (av1->channels == av->channels &&
3253 av1->sample_rate == av->sample_rate)
3256 case CODEC_TYPE_VIDEO:
3257 if (av1->width == av->width &&
3258 av1->height == av->height &&
3259 av1->time_base.den == av->time_base.den &&
3260 av1->time_base.num == av->time_base.num &&
3261 av1->gop_size == av->gop_size)
3270 fst = add_av_stream1(feed, av);
3273 return feed->nb_streams - 1;
3278 static void remove_stream(FFStream *stream)
3282 while (*ps != NULL) {
3290 /* specific mpeg4 handling : we extract the raw parameters */
3291 static void extract_mpeg4_header(AVFormatContext *infile)
3293 int mpeg4_count, i, size;
3299 for(i=0;i<infile->nb_streams;i++) {
3300 st = infile->streams[i];
3301 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3302 st->codec->extradata_size == 0) {
3309 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3310 while (mpeg4_count > 0) {
3311 if (av_read_packet(infile, &pkt) < 0)
3313 st = infile->streams[pkt.stream_index];
3314 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3315 st->codec->extradata_size == 0) {
3316 av_freep(&st->codec->extradata);
3317 /* fill extradata with the header */
3318 /* XXX: we make hard suppositions here ! */
3320 while (p < pkt.data + pkt.size - 4) {
3321 /* stop when vop header is found */
3322 if (p[0] == 0x00 && p[1] == 0x00 &&
3323 p[2] == 0x01 && p[3] == 0xb6) {
3324 size = p - pkt.data;
3325 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3326 st->codec->extradata = av_malloc(size);
3327 st->codec->extradata_size = size;
3328 memcpy(st->codec->extradata, pkt.data, size);
3335 av_free_packet(&pkt);
3339 /* compute the needed AVStream for each file */
3340 static void build_file_streams(void)
3342 FFStream *stream, *stream_next;
3343 AVFormatContext *infile;
3346 /* gather all streams */
3347 for(stream = first_stream; stream != NULL; stream = stream_next) {
3348 stream_next = stream->next;
3349 if (stream->stream_type == STREAM_TYPE_LIVE &&
3351 /* the stream comes from a file */
3352 /* try to open the file */
3354 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3355 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3356 /* specific case : if transport stream output to RTP,
3357 we use a raw transport stream reader */
3358 stream->ap_in->mpeg2ts_raw = 1;
3359 stream->ap_in->mpeg2ts_compute_pcr = 1;
3362 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3363 stream->ifmt, 0, stream->ap_in)) < 0) {
3364 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3365 /* remove stream (no need to spend more time on it) */
3367 remove_stream(stream);
3369 /* find all the AVStreams inside and reference them in
3371 if (av_find_stream_info(infile) < 0) {
3372 http_log("Could not find codec parameters from '%s'\n",
3373 stream->feed_filename);
3374 av_close_input_file(infile);
3377 extract_mpeg4_header(infile);
3379 for(i=0;i<infile->nb_streams;i++)
3380 add_av_stream1(stream, infile->streams[i]->codec);
3382 av_close_input_file(infile);
3388 /* compute the needed AVStream for each feed */
3389 static void build_feed_streams(void)
3391 FFStream *stream, *feed;
3394 /* gather all streams */
3395 for(stream = first_stream; stream != NULL; stream = stream->next) {
3396 feed = stream->feed;
3398 if (!stream->is_feed) {
3399 /* we handle a stream coming from a feed */
3400 for(i=0;i<stream->nb_streams;i++)
3401 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3406 /* gather all streams */
3407 for(stream = first_stream; stream != NULL; stream = stream->next) {
3408 feed = stream->feed;
3410 if (stream->is_feed) {
3411 for(i=0;i<stream->nb_streams;i++)
3412 stream->feed_streams[i] = i;
3417 /* create feed files if needed */
3418 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3421 if (url_exist(feed->feed_filename)) {
3422 /* See if it matches */
3426 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3427 /* Now see if it matches */
3428 if (s->nb_streams == feed->nb_streams) {
3430 for(i=0;i<s->nb_streams;i++) {
3432 sf = feed->streams[i];
3435 if (sf->index != ss->index ||
3437 printf("Index & Id do not match for stream %d (%s)\n",
3438 i, feed->feed_filename);
3441 AVCodecContext *ccf, *ccs;
3445 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3447 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3448 printf("Codecs do not match for stream %d\n", i);
3450 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3451 printf("Codec bitrates do not match for stream %d\n", i);
3453 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3454 if (CHECK_CODEC(time_base.den) ||
3455 CHECK_CODEC(time_base.num) ||
3456 CHECK_CODEC(width) ||
3457 CHECK_CODEC(height)) {
3458 printf("Codec width, height and framerate do not match for stream %d\n", i);
3461 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3462 if (CHECK_CODEC(sample_rate) ||
3463 CHECK_CODEC(channels) ||
3464 CHECK_CODEC(frame_size)) {
3465 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3469 printf("Unknown codec type\n");
3477 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3478 feed->feed_filename, s->nb_streams, feed->nb_streams);
3480 av_close_input_file(s);
3482 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3483 feed->feed_filename);
3486 if (feed->readonly) {
3487 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3488 feed->feed_filename);
3491 unlink(feed->feed_filename);
3494 if (!url_exist(feed->feed_filename)) {
3495 AVFormatContext s1, *s = &s1;
3497 if (feed->readonly) {
3498 printf("Unable to create feed file '%s' as it is marked readonly\n",
3499 feed->feed_filename);
3503 /* only write the header of the ffm file */
3504 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3505 http_log("Could not open output feed file '%s'\n",
3506 feed->feed_filename);
3509 s->oformat = feed->fmt;
3510 s->nb_streams = feed->nb_streams;
3511 for(i=0;i<s->nb_streams;i++) {
3513 st = feed->streams[i];
3516 av_set_parameters(s, NULL);
3517 if (av_write_header(s) < 0) {
3518 http_log("Container doesn't supports the required parameters\n");
3521 /* XXX: need better api */
3522 av_freep(&s->priv_data);
3525 /* get feed size and write index */
3526 fd = open(feed->feed_filename, O_RDONLY);
3528 http_log("Could not open output feed file '%s'\n",
3529 feed->feed_filename);
3533 feed->feed_write_index = ffm_read_write_index(fd);
3534 feed->feed_size = lseek(fd, 0, SEEK_END);
3535 /* ensure that we do not wrap before the end of file */
3536 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3537 feed->feed_max_size = feed->feed_size;
3543 /* compute the bandwidth used by each stream */
3544 static void compute_bandwidth(void)
3550 for(stream = first_stream; stream != NULL; stream = stream->next) {
3552 for(i=0;i<stream->nb_streams;i++) {
3553 AVStream *st = stream->streams[i];
3554 switch(st->codec->codec_type) {
3555 case CODEC_TYPE_AUDIO:
3556 case CODEC_TYPE_VIDEO:
3557 bandwidth += st->codec->bit_rate;
3563 stream->bandwidth = (bandwidth + 999) / 1000;
3567 static void get_arg(char *buf, int buf_size, const char **pp)
3574 while (isspace(*p)) p++;
3577 if (*p == '\"' || *p == '\'')
3589 if ((q - buf) < buf_size - 1)
3594 if (quote && *p == quote)
3599 /* add a codec and set the default parameters */
3600 static void add_codec(FFStream *stream, AVCodecContext *av)
3604 /* compute default parameters */
3605 switch(av->codec_type) {
3606 case CODEC_TYPE_AUDIO:
3607 if (av->bit_rate == 0)
3608 av->bit_rate = 64000;
3609 if (av->sample_rate == 0)
3610 av->sample_rate = 22050;
3611 if (av->channels == 0)
3614 case CODEC_TYPE_VIDEO:
3615 if (av->bit_rate == 0)
3616 av->bit_rate = 64000;
3617 if (av->time_base.num == 0){
3618 av->time_base.den = 5;
3619 av->time_base.num = 1;
3621 if (av->width == 0 || av->height == 0) {
3625 /* Bitrate tolerance is less for streaming */
3626 if (av->bit_rate_tolerance == 0)
3627 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3628 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3633 if (av->max_qdiff == 0)
3635 av->qcompress = 0.5;
3638 if (!av->nsse_weight)
3639 av->nsse_weight = 8;
3641 av->frame_skip_cmp = FF_CMP_DCTMAX;
3642 av->me_method = ME_EPZS;
3643 av->rc_buffer_aggressivity = 1.0;
3646 av->rc_eq = "tex^qComp";
3647 if (!av->i_quant_factor)
3648 av->i_quant_factor = -0.8;
3649 if (!av->b_quant_factor)
3650 av->b_quant_factor = 1.25;
3651 if (!av->b_quant_offset)
3652 av->b_quant_offset = 1.25;
3653 if (!av->rc_max_rate)
3654 av->rc_max_rate = av->bit_rate * 2;
3656 if (av->rc_max_rate && !av->rc_buffer_size) {
3657 av->rc_buffer_size = av->rc_max_rate;
3666 st = av_mallocz(sizeof(AVStream));
3669 st->codec = avcodec_alloc_context();
3670 stream->streams[stream->nb_streams++] = st;
3671 memcpy(st->codec, av, sizeof(AVCodecContext));
3674 static int opt_audio_codec(const char *arg)
3676 AVCodec *p= avcodec_find_encoder_by_name(arg);
3678 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3679 return CODEC_ID_NONE;
3684 static int opt_video_codec(const char *arg)
3686 AVCodec *p= avcodec_find_encoder_by_name(arg);
3688 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3689 return CODEC_ID_NONE;
3694 /* simplistic plugin support */
3697 static void load_module(const char *filename)
3700 void (*init_func)(void);
3701 dll = dlopen(filename, RTLD_NOW);
3703 fprintf(stderr, "Could not load module '%s' - %s\n",
3704 filename, dlerror());
3708 init_func = dlsym(dll, "ffserver_module_init");
3711 "%s: init function 'ffserver_module_init()' not found\n",
3720 static int opt_default(const char *opt, const char *arg,
3721 AVCodecContext *avctx, int type)
3723 const AVOption *o = NULL;
3724 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3726 o = av_set_string(avctx, opt, arg);
3732 static int parse_ffconfig(const char *filename)
3739 int val, errors, line_num;
3740 FFStream **last_stream, *stream, *redirect;
3741 FFStream **last_feed, *feed;
3742 AVCodecContext audio_enc, video_enc;
3743 int audio_id, video_id;
3745 f = fopen(filename, "r");
3753 first_stream = NULL;
3754 last_stream = &first_stream;
3756 last_feed = &first_feed;
3760 audio_id = CODEC_ID_NONE;
3761 video_id = CODEC_ID_NONE;
3763 if (fgets(line, sizeof(line), f) == NULL)
3769 if (*p == '\0' || *p == '#')
3772 get_arg(cmd, sizeof(cmd), &p);
3774 if (!strcasecmp(cmd, "Port")) {
3775 get_arg(arg, sizeof(arg), &p);
3777 if (val < 1 || val > 65536) {
3778 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3779 filename, line_num, arg);
3782 my_http_addr.sin_port = htons(val);
3783 } else if (!strcasecmp(cmd, "BindAddress")) {
3784 get_arg(arg, sizeof(arg), &p);
3785 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3786 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3787 filename, line_num, arg);
3790 } else if (!strcasecmp(cmd, "NoDaemon")) {
3791 ffserver_daemon = 0;
3792 } else if (!strcasecmp(cmd, "RTSPPort")) {
3793 get_arg(arg, sizeof(arg), &p);
3795 if (val < 1 || val > 65536) {
3796 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3797 filename, line_num, arg);
3800 my_rtsp_addr.sin_port = htons(atoi(arg));
3801 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3802 get_arg(arg, sizeof(arg), &p);
3803 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3804 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3805 filename, line_num, arg);
3808 } else if (!strcasecmp(cmd, "MaxClients")) {
3809 get_arg(arg, sizeof(arg), &p);
3811 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3812 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3813 filename, line_num, arg);
3816 nb_max_connections = val;
3818 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3820 get_arg(arg, sizeof(arg), &p);
3822 if (llval < 10 || llval > 10000000) {
3823 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3824 filename, line_num, arg);
3827 max_bandwidth = llval;
3828 } else if (!strcasecmp(cmd, "CustomLog")) {
3829 if (!ffserver_debug)
3830 get_arg(logfilename, sizeof(logfilename), &p);
3831 } else if (!strcasecmp(cmd, "<Feed")) {
3832 /*********************************************/
3833 /* Feed related options */
3835 if (stream || feed) {
3836 fprintf(stderr, "%s:%d: Already in a tag\n",
3837 filename, line_num);
3839 feed = av_mallocz(sizeof(FFStream));
3840 /* add in stream list */
3841 *last_stream = feed;
3842 last_stream = &feed->next;
3843 /* add in feed list */
3845 last_feed = &feed->next_feed;
3847 get_arg(feed->filename, sizeof(feed->filename), &p);
3848 q = strrchr(feed->filename, '>');
3851 feed->fmt = guess_format("ffm", NULL, NULL);
3852 /* defaut feed file */
3853 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3854 "/tmp/%s.ffm", feed->filename);
3855 feed->feed_max_size = 5 * 1024 * 1024;
3857 feed->feed = feed; /* self feeding :-) */
3859 } else if (!strcasecmp(cmd, "Launch")) {
3863 feed->child_argv = av_mallocz(64 * sizeof(char *));
3865 for (i = 0; i < 62; i++) {
3866 get_arg(arg, sizeof(arg), &p);
3870 feed->child_argv[i] = av_strdup(arg);
3873 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3875 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3877 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3878 inet_ntoa(my_http_addr.sin_addr),
3879 ntohs(my_http_addr.sin_port), feed->filename);
3884 fprintf(stdout, "Launch commandline: ");
3885 for (j = 0; j <= i; j++)
3886 fprintf(stdout, "%s ", feed->child_argv[j]);
3887 fprintf(stdout, "\n");
3890 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3892 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3894 } else if (stream) {
3895 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3897 } else if (!strcasecmp(cmd, "File")) {
3899 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3901 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3902 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3907 get_arg(arg, sizeof(arg), &p);
3909 fsize = strtod(p1, &p1);
3910 switch(toupper(*p1)) {
3915 fsize *= 1024 * 1024;
3918 fsize *= 1024 * 1024 * 1024;
3921 feed->feed_max_size = (int64_t)fsize;
3923 } else if (!strcasecmp(cmd, "</Feed>")) {
3925 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3926 filename, line_num);
3930 } else if (!strcasecmp(cmd, "<Stream")) {
3931 /*********************************************/
3932 /* Stream related options */
3934 if (stream || feed) {
3935 fprintf(stderr, "%s:%d: Already in a tag\n",
3936 filename, line_num);
3938 const AVClass *class;
3939 stream = av_mallocz(sizeof(FFStream));
3940 *last_stream = stream;
3941 last_stream = &stream->next;
3943 get_arg(stream->filename, sizeof(stream->filename), &p);
3944 q = strrchr(stream->filename, '>');
3947 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3948 /* fetch avclass so AVOption works
3949 * FIXME try to use avcodec_get_context_defaults2
3950 * without changing defaults too much */
3951 avcodec_get_context_defaults(&video_enc);
3952 class = video_enc.av_class;
3953 memset(&audio_enc, 0, sizeof(AVCodecContext));
3954 memset(&video_enc, 0, sizeof(AVCodecContext));
3955 audio_enc.av_class = class;
3956 video_enc.av_class = class;
3957 audio_id = CODEC_ID_NONE;
3958 video_id = CODEC_ID_NONE;
3960 audio_id = stream->fmt->audio_codec;
3961 video_id = stream->fmt->video_codec;
3964 } else if (!strcasecmp(cmd, "Feed")) {
3965 get_arg(arg, sizeof(arg), &p);
3970 while (sfeed != NULL) {
3971 if (!strcmp(sfeed->filename, arg))
3973 sfeed = sfeed->next_feed;
3976 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3977 filename, line_num, arg);
3979 stream->feed = sfeed;
3981 } else if (!strcasecmp(cmd, "Format")) {
3982 get_arg(arg, sizeof(arg), &p);
3984 if (!strcmp(arg, "status")) {
3985 stream->stream_type = STREAM_TYPE_STATUS;
3988 stream->stream_type = STREAM_TYPE_LIVE;
3989 /* jpeg cannot be used here, so use single frame jpeg */
3990 if (!strcmp(arg, "jpeg"))
3991 strcpy(arg, "mjpeg");
3992 stream->fmt = guess_stream_format(arg, NULL, NULL);
3994 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3995 filename, line_num, arg);
4000 audio_id = stream->fmt->audio_codec;
4001 video_id = stream->fmt->video_codec;
4004 } else if (!strcasecmp(cmd, "InputFormat")) {
4005 get_arg(arg, sizeof(arg), &p);
4006 stream->ifmt = av_find_input_format(arg);
4007 if (!stream->ifmt) {
4008 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4009 filename, line_num, arg);
4011 } else if (!strcasecmp(cmd, "FaviconURL")) {
4012 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4013 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4015 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4016 filename, line_num);
4019 } else if (!strcasecmp(cmd, "Author")) {
4021 get_arg(stream->author, sizeof(stream->author), &p);
4022 } else if (!strcasecmp(cmd, "Comment")) {
4024 get_arg(stream->comment, sizeof(stream->comment), &p);
4025 } else if (!strcasecmp(cmd, "Copyright")) {
4027 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4028 } else if (!strcasecmp(cmd, "Title")) {
4030 get_arg(stream->title, sizeof(stream->title), &p);
4031 } else if (!strcasecmp(cmd, "Preroll")) {
4032 get_arg(arg, sizeof(arg), &p);
4034 stream->prebuffer = atof(arg) * 1000;
4035 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4037 stream->send_on_key = 1;
4038 } else if (!strcasecmp(cmd, "AudioCodec")) {
4039 get_arg(arg, sizeof(arg), &p);
4040 audio_id = opt_audio_codec(arg);
4041 if (audio_id == CODEC_ID_NONE) {
4042 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4043 filename, line_num, arg);
4046 } else if (!strcasecmp(cmd, "VideoCodec")) {
4047 get_arg(arg, sizeof(arg), &p);
4048 video_id = opt_video_codec(arg);
4049 if (video_id == CODEC_ID_NONE) {
4050 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4051 filename, line_num, arg);
4054 } else if (!strcasecmp(cmd, "MaxTime")) {
4055 get_arg(arg, sizeof(arg), &p);
4057 stream->max_time = atof(arg) * 1000;
4058 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4059 get_arg(arg, sizeof(arg), &p);
4061 audio_enc.bit_rate = atoi(arg) * 1000;
4062 } else if (!strcasecmp(cmd, "AudioChannels")) {
4063 get_arg(arg, sizeof(arg), &p);
4065 audio_enc.channels = atoi(arg);
4066 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4067 get_arg(arg, sizeof(arg), &p);
4069 audio_enc.sample_rate = atoi(arg);
4070 } else if (!strcasecmp(cmd, "AudioQuality")) {
4071 get_arg(arg, sizeof(arg), &p);
4073 // audio_enc.quality = atof(arg) * 1000;
4075 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4077 int minrate, maxrate;
4079 get_arg(arg, sizeof(arg), &p);
4081 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4082 video_enc.rc_min_rate = minrate * 1000;
4083 video_enc.rc_max_rate = maxrate * 1000;
4085 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4086 filename, line_num, arg);
4090 } else if (!strcasecmp(cmd, "Debug")) {
4092 get_arg(arg, sizeof(arg), &p);
4093 video_enc.debug = strtol(arg,0,0);
4095 } else if (!strcasecmp(cmd, "Strict")) {
4097 get_arg(arg, sizeof(arg), &p);
4098 video_enc.strict_std_compliance = atoi(arg);
4100 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4102 get_arg(arg, sizeof(arg), &p);
4103 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4105 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4107 get_arg(arg, sizeof(arg), &p);
4108 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4110 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4111 get_arg(arg, sizeof(arg), &p);
4113 video_enc.bit_rate = atoi(arg) * 1000;
4115 } else if (!strcasecmp(cmd, "VideoSize")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4119 if ((video_enc.width % 16) != 0 ||
4120 (video_enc.height % 16) != 0) {
4121 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4122 filename, line_num);
4126 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4127 get_arg(arg, sizeof(arg), &p);
4129 AVRational frame_rate;
4130 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4131 fprintf(stderr, "Incorrect frame rate\n");
4134 video_enc.time_base.num = frame_rate.den;
4135 video_enc.time_base.den = frame_rate.num;
4138 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4139 get_arg(arg, sizeof(arg), &p);
4141 video_enc.gop_size = atoi(arg);
4142 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4144 video_enc.gop_size = 1;
4145 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4147 video_enc.mb_decision = FF_MB_DECISION_BITS;
4148 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4150 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4151 video_enc.flags |= CODEC_FLAG_4MV;
4153 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4154 !strcasecmp(cmd, "AVOptionAudio")) {
4156 AVCodecContext *avctx;
4158 get_arg(arg, sizeof(arg), &p);
4159 get_arg(arg2, sizeof(arg2), &p);
4160 if (!strcasecmp(cmd, "AVOptionVideo")) {
4162 type = AV_OPT_FLAG_VIDEO_PARAM;
4165 type = AV_OPT_FLAG_AUDIO_PARAM;
4167 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4168 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4171 } else if (!strcasecmp(cmd, "VideoTag")) {
4172 get_arg(arg, sizeof(arg), &p);
4173 if ((strlen(arg) == 4) && stream)
4174 video_enc.codec_tag = ff_get_fourcc(arg);
4175 } else if (!strcasecmp(cmd, "BitExact")) {
4177 video_enc.flags |= CODEC_FLAG_BITEXACT;
4178 } else if (!strcasecmp(cmd, "DctFastint")) {
4180 video_enc.dct_algo = FF_DCT_FASTINT;
4181 } else if (!strcasecmp(cmd, "IdctSimple")) {
4183 video_enc.idct_algo = FF_IDCT_SIMPLE;
4184 } else if (!strcasecmp(cmd, "Qscale")) {
4185 get_arg(arg, sizeof(arg), &p);
4187 video_enc.flags |= CODEC_FLAG_QSCALE;
4188 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4190 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4191 get_arg(arg, sizeof(arg), &p);
4193 video_enc.max_qdiff = atoi(arg);
4194 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4195 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4196 filename, line_num);
4200 } else if (!strcasecmp(cmd, "VideoQMax")) {
4201 get_arg(arg, sizeof(arg), &p);
4203 video_enc.qmax = atoi(arg);
4204 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4205 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4206 filename, line_num);
4210 } else if (!strcasecmp(cmd, "VideoQMin")) {
4211 get_arg(arg, sizeof(arg), &p);
4213 video_enc.qmin = atoi(arg);
4214 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4215 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4216 filename, line_num);
4220 } else if (!strcasecmp(cmd, "LumaElim")) {
4221 get_arg(arg, sizeof(arg), &p);
4223 video_enc.luma_elim_threshold = atoi(arg);
4224 } else if (!strcasecmp(cmd, "ChromaElim")) {
4225 get_arg(arg, sizeof(arg), &p);
4227 video_enc.chroma_elim_threshold = atoi(arg);
4228 } else if (!strcasecmp(cmd, "LumiMask")) {
4229 get_arg(arg, sizeof(arg), &p);
4231 video_enc.lumi_masking = atof(arg);
4232 } else if (!strcasecmp(cmd, "DarkMask")) {
4233 get_arg(arg, sizeof(arg), &p);
4235 video_enc.dark_masking = atof(arg);
4236 } else if (!strcasecmp(cmd, "NoVideo")) {
4237 video_id = CODEC_ID_NONE;
4238 } else if (!strcasecmp(cmd, "NoAudio")) {
4239 audio_id = CODEC_ID_NONE;
4240 } else if (!strcasecmp(cmd, "ACL")) {
4243 get_arg(arg, sizeof(arg), &p);
4244 if (strcasecmp(arg, "allow") == 0)
4245 acl.action = IP_ALLOW;
4246 else if (strcasecmp(arg, "deny") == 0)
4247 acl.action = IP_DENY;
4249 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4250 filename, line_num, arg);
4254 get_arg(arg, sizeof(arg), &p);
4256 if (resolve_host(&acl.first, arg) != 0) {
4257 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4258 filename, line_num, arg);
4261 acl.last = acl.first;
4263 get_arg(arg, sizeof(arg), &p);
4266 if (resolve_host(&acl.last, arg) != 0) {
4267 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4268 filename, line_num, arg);
4274 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4275 IPAddressACL **naclp = 0;
4281 naclp = &stream->acl;
4285 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4286 filename, line_num);
4292 naclp = &(*naclp)->next;
4297 } else if (!strcasecmp(cmd, "RTSPOption")) {
4298 get_arg(arg, sizeof(arg), &p);
4300 av_freep(&stream->rtsp_option);
4301 stream->rtsp_option = av_strdup(arg);
4303 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4304 get_arg(arg, sizeof(arg), &p);
4306 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4307 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4308 filename, line_num, arg);
4311 stream->is_multicast = 1;
4312 stream->loop = 1; /* default is looping */
4314 } else if (!strcasecmp(cmd, "MulticastPort")) {
4315 get_arg(arg, sizeof(arg), &p);
4317 stream->multicast_port = atoi(arg);
4318 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4319 get_arg(arg, sizeof(arg), &p);
4321 stream->multicast_ttl = atoi(arg);
4322 } else if (!strcasecmp(cmd, "NoLoop")) {
4325 } else if (!strcasecmp(cmd, "</Stream>")) {
4327 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4328 filename, line_num);
4331 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4332 if (audio_id != CODEC_ID_NONE) {
4333 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4334 audio_enc.codec_id = audio_id;
4335 add_codec(stream, &audio_enc);
4337 if (video_id != CODEC_ID_NONE) {
4338 video_enc.codec_type = CODEC_TYPE_VIDEO;
4339 video_enc.codec_id = video_id;
4340 add_codec(stream, &video_enc);
4345 } else if (!strcasecmp(cmd, "<Redirect")) {
4346 /*********************************************/
4348 if (stream || feed || redirect) {
4349 fprintf(stderr, "%s:%d: Already in a tag\n",
4350 filename, line_num);
4353 redirect = av_mallocz(sizeof(FFStream));
4354 *last_stream = redirect;
4355 last_stream = &redirect->next;
4357 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4358 q = strrchr(redirect->filename, '>');
4361 redirect->stream_type = STREAM_TYPE_REDIRECT;
4363 } else if (!strcasecmp(cmd, "URL")) {
4365 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4366 } else if (!strcasecmp(cmd, "</Redirect>")) {
4368 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4369 filename, line_num);
4372 if (!redirect->feed_filename[0]) {
4373 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4374 filename, line_num);
4379 } else if (!strcasecmp(cmd, "LoadModule")) {
4380 get_arg(arg, sizeof(arg), &p);
4384 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4385 filename, line_num, arg);
4389 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4390 filename, line_num, cmd);
4402 static void handle_child_exit(int sig)
4407 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4410 for (feed = first_feed; feed; feed = feed->next) {
4411 if (feed->pid == pid) {
4412 int uptime = time(0) - feed->pid_start;
4415 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4418 /* Turn off any more restarts */
4419 feed->child_argv = 0;
4424 need_to_start_children = 1;
4427 static void opt_debug()
4430 ffserver_daemon = 0;
4431 logfilename[0] = '-';
4434 static void opt_show_help(void)
4436 printf("usage: ffserver [options]\n"
4437 "Hyper fast multi format Audio/Video streaming server\n");
4439 show_help_options(options, "Main options:\n", 0, 0);
4442 static const OptionDef options[] = {
4443 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4444 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4445 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4446 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4447 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4448 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4449 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4453 int main(int argc, char **argv)
4455 struct sigaction sigact;
4461 config_filename = "/etc/ffserver.conf";
4463 my_program_name = argv[0];
4464 my_program_dir = getcwd(0, 0);
4465 ffserver_daemon = 1;
4467 parse_options(argc, argv, options, NULL);
4469 unsetenv("http_proxy"); /* Kill the http_proxy */
4471 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4473 memset(&sigact, 0, sizeof(sigact));
4474 sigact.sa_handler = handle_child_exit;
4475 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4476 sigaction(SIGCHLD, &sigact, 0);
4478 if (parse_ffconfig(config_filename) < 0) {
4479 fprintf(stderr, "Incorrect config file - exiting.\n");
4483 build_file_streams();
4485 build_feed_streams();
4487 compute_bandwidth();
4489 /* put the process in background and detach it from its TTY */
4490 if (ffserver_daemon) {
4497 } else if (pid > 0) {
4505 open("/dev/null", O_RDWR);
4506 if (strcmp(logfilename, "-") != 0) {
4516 signal(SIGPIPE, SIG_IGN);
4518 /* open log file if needed */
4519 if (logfilename[0] != '\0') {
4520 if (!strcmp(logfilename, "-"))
4523 logfile = fopen(logfilename, "a");
4524 av_log_set_callback(http_av_log);
4527 if (http_server() < 0) {
4528 http_log("Could not start server\n");