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 /* specific handling for RTP: we use several
2166 output stream (one for each RTP
2167 connection). XXX: need more abstract handling */
2168 if (c->is_packetized) {
2169 /* compute send time and duration */
2170 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2171 if (ist->start_time != AV_NOPTS_VALUE)
2172 c->cur_pts -= av_rescale_q(ist->start_time, ist->time_base, AV_TIME_BASE_Q);
2173 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2175 printf("index=%d pts=%0.3f duration=%0.6f\n",
2177 (double)c->cur_pts /
2179 (double)c->cur_frame_duration /
2182 /* find RTP context */
2183 c->packet_stream_index = pkt.stream_index;
2184 ctx = c->rtp_ctx[c->packet_stream_index];
2186 av_free_packet(&pkt);
2189 codec = ctx->streams[0]->codec;
2190 /* only one stream per RTP connection */
2191 pkt.stream_index = 0;
2195 codec = ctx->streams[pkt.stream_index]->codec;
2198 if (c->is_packetized) {
2199 int max_packet_size;
2200 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2201 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2203 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2204 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2206 ret = url_open_dyn_buf(&ctx->pb);
2209 /* XXX: potential leak */
2212 ost = ctx->streams[pkt.stream_index];
2214 c->fmt_ctx.pb->is_streamed = 1;
2215 if (pkt.dts != AV_NOPTS_VALUE)
2216 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2217 if (pkt.pts != AV_NOPTS_VALUE)
2218 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2219 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2220 if (av_write_frame(ctx, &pkt) < 0) {
2221 http_log("Error writing frame to output\n");
2222 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2225 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2226 c->cur_frame_bytes = len;
2227 c->buffer_ptr = c->pb_buffer;
2228 c->buffer_end = c->pb_buffer + len;
2230 codec->frame_number++;
2232 av_free_packet(&pkt);
2236 av_free_packet(&pkt);
2241 case HTTPSTATE_SEND_DATA_TRAILER:
2242 /* last packet test ? */
2243 if (c->last_packet_sent || c->is_packetized)
2246 /* prepare header */
2247 if (url_open_dyn_buf(&ctx->pb) < 0) {
2248 /* XXX: potential leak */
2251 c->fmt_ctx.pb->is_streamed = 1;
2252 av_write_trailer(ctx);
2253 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2254 c->buffer_ptr = c->pb_buffer;
2255 c->buffer_end = c->pb_buffer + len;
2257 c->last_packet_sent = 1;
2263 /* should convert the format at the same time */
2264 /* send data starting at c->buffer_ptr to the output connection
2265 (either UDP or TCP connection) */
2266 static int http_send_data(HTTPContext *c)
2271 if (c->buffer_ptr >= c->buffer_end) {
2272 ret = http_prepare_data(c);
2276 /* state change requested */
2279 if (c->is_packetized) {
2280 /* RTP data output */
2281 len = c->buffer_end - c->buffer_ptr;
2283 /* fail safe - should never happen */
2285 c->buffer_ptr = c->buffer_end;
2288 len = (c->buffer_ptr[0] << 24) |
2289 (c->buffer_ptr[1] << 16) |
2290 (c->buffer_ptr[2] << 8) |
2292 if (len > (c->buffer_end - c->buffer_ptr))
2294 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2295 /* nothing to send yet: we can wait */
2299 c->data_count += len;
2300 update_datarate(&c->datarate, c->data_count);
2302 c->stream->bytes_served += len;
2304 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2305 /* RTP packets are sent inside the RTSP TCP connection */
2307 int interleaved_index, size;
2309 HTTPContext *rtsp_c;
2312 /* if no RTSP connection left, error */
2315 /* if already sending something, then wait. */
2316 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2318 if (url_open_dyn_buf(&pb) < 0)
2320 interleaved_index = c->packet_stream_index * 2;
2321 /* RTCP packets are sent at odd indexes */
2322 if (c->buffer_ptr[1] == 200)
2323 interleaved_index++;
2324 /* write RTSP TCP header */
2326 header[1] = interleaved_index;
2327 header[2] = len >> 8;
2329 put_buffer(pb, header, 4);
2330 /* write RTP packet data */
2332 put_buffer(pb, c->buffer_ptr, len);
2333 size = url_close_dyn_buf(pb, &c->packet_buffer);
2334 /* prepare asynchronous TCP sending */
2335 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2336 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2337 c->buffer_ptr += len;
2339 /* send everything we can NOW */
2340 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2341 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2343 rtsp_c->packet_buffer_ptr += len;
2344 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2345 /* if we could not send all the data, we will
2346 send it later, so a new state is needed to
2347 "lock" the RTSP TCP connection */
2348 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2351 /* all data has been sent */
2352 av_freep(&c->packet_buffer);
2354 /* send RTP packet directly in UDP */
2356 url_write(c->rtp_handles[c->packet_stream_index],
2357 c->buffer_ptr, len);
2358 c->buffer_ptr += len;
2359 /* here we continue as we can send several packets per 10 ms slot */
2362 /* TCP data output */
2363 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2365 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2366 ff_neterrno() != FF_NETERROR(EINTR))
2367 /* error : close connection */
2372 c->buffer_ptr += len;
2374 c->data_count += len;
2375 update_datarate(&c->datarate, c->data_count);
2377 c->stream->bytes_served += len;
2385 static int http_start_receive_data(HTTPContext *c)
2389 if (c->stream->feed_opened)
2392 /* Don't permit writing to this one */
2393 if (c->stream->readonly)
2397 fd = open(c->stream->feed_filename, O_RDWR);
2399 http_log("Error opening feeder file: %s\n", strerror(errno));
2404 c->stream->feed_write_index = ffm_read_write_index(fd);
2405 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2406 lseek(fd, 0, SEEK_SET);
2408 /* init buffer input */
2409 c->buffer_ptr = c->buffer;
2410 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2411 c->stream->feed_opened = 1;
2415 static int http_receive_data(HTTPContext *c)
2419 if (c->buffer_end > c->buffer_ptr) {
2422 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2424 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2425 ff_neterrno() != FF_NETERROR(EINTR))
2426 /* error : close connection */
2428 } else if (len == 0)
2429 /* end of connection : close it */
2432 c->buffer_ptr += len;
2433 c->data_count += len;
2434 update_datarate(&c->datarate, c->data_count);
2438 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2439 if (c->buffer[0] != 'f' ||
2440 c->buffer[1] != 'm') {
2441 http_log("Feed stream has become desynchronized -- disconnecting\n");
2446 if (c->buffer_ptr >= c->buffer_end) {
2447 FFStream *feed = c->stream;
2448 /* a packet has been received : write it in the store, except
2450 if (c->data_count > FFM_PACKET_SIZE) {
2452 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2453 /* XXX: use llseek or url_seek */
2454 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2455 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2456 http_log("Error writing to feed file: %s\n", strerror(errno));
2460 feed->feed_write_index += FFM_PACKET_SIZE;
2461 /* update file size */
2462 if (feed->feed_write_index > c->stream->feed_size)
2463 feed->feed_size = feed->feed_write_index;
2465 /* handle wrap around if max file size reached */
2466 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2467 feed->feed_write_index = FFM_PACKET_SIZE;
2470 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2472 /* wake up any waiting connections */
2473 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2474 if (c1->state == HTTPSTATE_WAIT_FEED &&
2475 c1->stream->feed == c->stream->feed)
2476 c1->state = HTTPSTATE_SEND_DATA;
2479 /* We have a header in our hands that contains useful data */
2480 AVFormatContext *s = NULL;
2482 AVInputFormat *fmt_in;
2485 /* use feed output format name to find corresponding input format */
2486 fmt_in = av_find_input_format(feed->fmt->name);
2490 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2491 pb->is_streamed = 1;
2493 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2498 /* Now we have the actual streams */
2499 if (s->nb_streams != feed->nb_streams) {
2500 av_close_input_stream(s);
2505 for (i = 0; i < s->nb_streams; i++)
2506 memcpy(feed->streams[i]->codec,
2507 s->streams[i]->codec, sizeof(AVCodecContext));
2509 av_close_input_stream(s);
2512 c->buffer_ptr = c->buffer;
2517 c->stream->feed_opened = 0;
2519 /* wake up any waiting connections to stop waiting for feed */
2520 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2521 if (c1->state == HTTPSTATE_WAIT_FEED &&
2522 c1->stream->feed == c->stream->feed)
2523 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2528 /********************************************************************/
2531 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2538 switch(error_number) {
2539 case RTSP_STATUS_OK:
2542 case RTSP_STATUS_METHOD:
2543 str = "Method Not Allowed";
2545 case RTSP_STATUS_BANDWIDTH:
2546 str = "Not Enough Bandwidth";
2548 case RTSP_STATUS_SESSION:
2549 str = "Session Not Found";
2551 case RTSP_STATUS_STATE:
2552 str = "Method Not Valid in This State";
2554 case RTSP_STATUS_AGGREGATE:
2555 str = "Aggregate operation not allowed";
2557 case RTSP_STATUS_ONLY_AGGREGATE:
2558 str = "Only aggregate operation allowed";
2560 case RTSP_STATUS_TRANSPORT:
2561 str = "Unsupported transport";
2563 case RTSP_STATUS_INTERNAL:
2564 str = "Internal Server Error";
2566 case RTSP_STATUS_SERVICE:
2567 str = "Service Unavailable";
2569 case RTSP_STATUS_VERSION:
2570 str = "RTSP Version not supported";
2573 str = "Unknown Error";
2577 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2578 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2580 /* output GMT time */
2584 p = buf2 + strlen(p) - 1;
2587 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2590 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2592 rtsp_reply_header(c, error_number);
2593 url_fprintf(c->pb, "\r\n");
2596 static int rtsp_parse_request(HTTPContext *c)
2598 const char *p, *p1, *p2;
2604 RTSPHeader header1, *header = &header1;
2606 c->buffer_ptr[0] = '\0';
2609 get_word(cmd, sizeof(cmd), &p);
2610 get_word(url, sizeof(url), &p);
2611 get_word(protocol, sizeof(protocol), &p);
2613 av_strlcpy(c->method, cmd, sizeof(c->method));
2614 av_strlcpy(c->url, url, sizeof(c->url));
2615 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2617 if (url_open_dyn_buf(&c->pb) < 0) {
2618 /* XXX: cannot do more */
2619 c->pb = NULL; /* safety */
2623 /* check version name */
2624 if (strcmp(protocol, "RTSP/1.0") != 0) {
2625 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2629 /* parse each header line */
2630 memset(header, 0, sizeof(RTSPHeader));
2631 /* skip to next line */
2632 while (*p != '\n' && *p != '\0')
2636 while (*p != '\0') {
2637 p1 = strchr(p, '\n');
2641 if (p2 > p && p2[-1] == '\r')
2643 /* skip empty line */
2647 if (len > sizeof(line) - 1)
2648 len = sizeof(line) - 1;
2649 memcpy(line, p, len);
2651 rtsp_parse_line(header, line);
2655 /* handle sequence number */
2656 c->seq = header->seq;
2658 if (!strcmp(cmd, "DESCRIBE"))
2659 rtsp_cmd_describe(c, url);
2660 else if (!strcmp(cmd, "OPTIONS"))
2661 rtsp_cmd_options(c, url);
2662 else if (!strcmp(cmd, "SETUP"))
2663 rtsp_cmd_setup(c, url, header);
2664 else if (!strcmp(cmd, "PLAY"))
2665 rtsp_cmd_play(c, url, header);
2666 else if (!strcmp(cmd, "PAUSE"))
2667 rtsp_cmd_pause(c, url, header);
2668 else if (!strcmp(cmd, "TEARDOWN"))
2669 rtsp_cmd_teardown(c, url, header);
2671 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2674 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2675 c->pb = NULL; /* safety */
2677 /* XXX: cannot do more */
2680 c->buffer_ptr = c->pb_buffer;
2681 c->buffer_end = c->pb_buffer + len;
2682 c->state = RTSPSTATE_SEND_REPLY;
2686 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2687 struct in_addr my_ip)
2689 AVFormatContext *avc;
2690 AVStream avs[MAX_STREAMS];
2693 avc = av_alloc_format_context();
2697 if (stream->title[0] != 0) {
2698 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2700 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2702 avc->nb_streams = stream->nb_streams;
2703 if (stream->is_multicast) {
2704 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2705 inet_ntoa(stream->multicast_ip),
2706 stream->multicast_port, stream->multicast_ttl);
2709 for(i = 0; i < stream->nb_streams; i++) {
2710 avc->streams[i] = &avs[i];
2711 avc->streams[i]->codec = stream->streams[i]->codec;
2713 *pbuffer = av_mallocz(2048);
2714 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2717 return strlen(*pbuffer);
2720 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2722 // rtsp_reply_header(c, RTSP_STATUS_OK);
2723 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2724 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2725 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2726 url_fprintf(c->pb, "\r\n");
2729 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2735 int content_length, len;
2736 struct sockaddr_in my_addr;
2738 /* find which url is asked */
2739 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2744 for(stream = first_stream; stream != NULL; stream = stream->next) {
2745 if (!stream->is_feed &&
2746 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2747 !strcmp(path, stream->filename)) {
2751 /* no stream found */
2752 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2756 /* prepare the media description in sdp format */
2758 /* get the host IP */
2759 len = sizeof(my_addr);
2760 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2761 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2762 if (content_length < 0) {
2763 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2766 rtsp_reply_header(c, RTSP_STATUS_OK);
2767 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2768 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2769 url_fprintf(c->pb, "\r\n");
2770 put_buffer(c->pb, content, content_length);
2773 static HTTPContext *find_rtp_session(const char *session_id)
2777 if (session_id[0] == '\0')
2780 for(c = first_http_ctx; c != NULL; c = c->next) {
2781 if (!strcmp(c->session_id, session_id))
2787 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2789 RTSPTransportField *th;
2792 for(i=0;i<h->nb_transports;i++) {
2793 th = &h->transports[i];
2794 if (th->protocol == protocol)
2800 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2804 int stream_index, port;
2809 RTSPTransportField *th;
2810 struct sockaddr_in dest_addr;
2811 RTSPActionServerSetup setup;
2813 /* find which url is asked */
2814 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2819 /* now check each stream */
2820 for(stream = first_stream; stream != NULL; stream = stream->next) {
2821 if (!stream->is_feed &&
2822 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2823 /* accept aggregate filenames only if single stream */
2824 if (!strcmp(path, stream->filename)) {
2825 if (stream->nb_streams != 1) {
2826 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2833 for(stream_index = 0; stream_index < stream->nb_streams;
2835 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2836 stream->filename, stream_index);
2837 if (!strcmp(path, buf))
2842 /* no stream found */
2843 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2847 /* generate session id if needed */
2848 if (h->session_id[0] == '\0')
2849 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2850 av_random(&random_state), av_random(&random_state));
2852 /* find rtp session, and create it if none found */
2853 rtp_c = find_rtp_session(h->session_id);
2855 /* always prefer UDP */
2856 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2858 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2860 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2865 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2868 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2872 /* open input stream */
2873 if (open_input_stream(rtp_c, "") < 0) {
2874 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2879 /* test if stream is OK (test needed because several SETUP needs
2880 to be done for a given file) */
2881 if (rtp_c->stream != stream) {
2882 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2886 /* test if stream is already set up */
2887 if (rtp_c->rtp_ctx[stream_index]) {
2888 rtsp_reply_error(c, RTSP_STATUS_STATE);
2892 /* check transport */
2893 th = find_transport(h, rtp_c->rtp_protocol);
2894 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2895 th->client_port_min <= 0)) {
2896 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2900 /* setup default options */
2901 setup.transport_option[0] = '\0';
2902 dest_addr = rtp_c->from_addr;
2903 dest_addr.sin_port = htons(th->client_port_min);
2906 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2907 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2911 /* now everything is OK, so we can send the connection parameters */
2912 rtsp_reply_header(c, RTSP_STATUS_OK);
2914 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2916 switch(rtp_c->rtp_protocol) {
2917 case RTSP_PROTOCOL_RTP_UDP:
2918 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2919 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2920 "client_port=%d-%d;server_port=%d-%d",
2921 th->client_port_min, th->client_port_min + 1,
2924 case RTSP_PROTOCOL_RTP_TCP:
2925 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2926 stream_index * 2, stream_index * 2 + 1);
2931 if (setup.transport_option[0] != '\0')
2932 url_fprintf(c->pb, ";%s", setup.transport_option);
2933 url_fprintf(c->pb, "\r\n");
2936 url_fprintf(c->pb, "\r\n");
2940 /* find an rtp connection by using the session ID. Check consistency
2942 static HTTPContext *find_rtp_session_with_url(const char *url,
2943 const char *session_id)
2951 rtp_c = find_rtp_session(session_id);
2955 /* find which url is asked */
2956 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2960 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2961 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2962 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2963 rtp_c->stream->filename, s);
2964 if(!strncmp(path, buf, sizeof(buf))) {
2965 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2972 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2976 rtp_c = find_rtp_session_with_url(url, h->session_id);
2978 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2982 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2983 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2984 rtp_c->state != HTTPSTATE_READY) {
2985 rtsp_reply_error(c, RTSP_STATUS_STATE);
2990 /* XXX: seek in stream */
2991 if (h->range_start != AV_NOPTS_VALUE) {
2992 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2993 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2997 rtp_c->state = HTTPSTATE_SEND_DATA;
2999 /* now everything is OK, so we can send the connection parameters */
3000 rtsp_reply_header(c, RTSP_STATUS_OK);
3002 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3003 url_fprintf(c->pb, "\r\n");
3006 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3010 rtp_c = find_rtp_session_with_url(url, h->session_id);
3012 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3016 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3017 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3018 rtsp_reply_error(c, RTSP_STATUS_STATE);
3022 rtp_c->state = HTTPSTATE_READY;
3023 rtp_c->first_pts = AV_NOPTS_VALUE;
3024 /* now everything is OK, so we can send the connection parameters */
3025 rtsp_reply_header(c, RTSP_STATUS_OK);
3027 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3028 url_fprintf(c->pb, "\r\n");
3031 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3034 char session_id[32];
3036 rtp_c = find_rtp_session_with_url(url, h->session_id);
3038 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3042 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3044 /* abort the session */
3045 close_connection(rtp_c);
3047 /* now everything is OK, so we can send the connection parameters */
3048 rtsp_reply_header(c, RTSP_STATUS_OK);
3050 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3051 url_fprintf(c->pb, "\r\n");
3055 /********************************************************************/
3058 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3059 FFStream *stream, const char *session_id,
3060 enum RTSPProtocol rtp_protocol)
3062 HTTPContext *c = NULL;
3063 const char *proto_str;
3065 /* XXX: should output a warning page when coming
3066 close to the connection limit */
3067 if (nb_connections >= nb_max_connections)
3070 /* add a new connection */
3071 c = av_mallocz(sizeof(HTTPContext));
3076 c->poll_entry = NULL;
3077 c->from_addr = *from_addr;
3078 c->buffer_size = IOBUFFER_INIT_SIZE;
3079 c->buffer = av_malloc(c->buffer_size);
3084 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3085 c->state = HTTPSTATE_READY;
3086 c->is_packetized = 1;
3087 c->rtp_protocol = rtp_protocol;
3089 /* protocol is shown in statistics */
3090 switch(c->rtp_protocol) {
3091 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3092 proto_str = "MCAST";
3094 case RTSP_PROTOCOL_RTP_UDP:
3097 case RTSP_PROTOCOL_RTP_TCP:
3104 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3105 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3107 current_bandwidth += stream->bandwidth;
3109 c->next = first_http_ctx;
3121 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3122 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3124 static int rtp_new_av_stream(HTTPContext *c,
3125 int stream_index, struct sockaddr_in *dest_addr,
3126 HTTPContext *rtsp_c)
3128 AVFormatContext *ctx;
3131 URLContext *h = NULL;
3133 int max_packet_size;
3135 /* now we can open the relevant output stream */
3136 ctx = av_alloc_format_context();
3139 ctx->oformat = guess_format("rtp", NULL, NULL);
3141 st = av_mallocz(sizeof(AVStream));
3144 st->codec= avcodec_alloc_context();
3145 ctx->nb_streams = 1;
3146 ctx->streams[0] = st;
3148 if (!c->stream->feed ||
3149 c->stream->feed == c->stream)
3150 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3153 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3155 st->priv_data = NULL;
3157 /* build destination RTP address */
3158 ipaddr = inet_ntoa(dest_addr->sin_addr);
3160 switch(c->rtp_protocol) {
3161 case RTSP_PROTOCOL_RTP_UDP:
3162 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3165 /* XXX: also pass as parameter to function ? */
3166 if (c->stream->is_multicast) {
3168 ttl = c->stream->multicast_ttl;
3171 snprintf(ctx->filename, sizeof(ctx->filename),
3172 "rtp://%s:%d?multicast=1&ttl=%d",
3173 ipaddr, ntohs(dest_addr->sin_port), ttl);
3175 snprintf(ctx->filename, sizeof(ctx->filename),
3176 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3179 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3181 c->rtp_handles[stream_index] = h;
3182 max_packet_size = url_get_max_packet_size(h);
3184 case RTSP_PROTOCOL_RTP_TCP:
3187 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3193 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3194 ipaddr, ntohs(dest_addr->sin_port),
3195 c->stream->filename, stream_index, c->protocol);
3197 /* normally, no packets should be output here, but the packet size may be checked */
3198 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3199 /* XXX: close stream */
3202 av_set_parameters(ctx, NULL);
3203 if (av_write_header(ctx) < 0) {
3210 url_close_dyn_buf(ctx->pb, &dummy_buf);
3213 c->rtp_ctx[stream_index] = ctx;
3217 /********************************************************************/
3218 /* ffserver initialization */
3220 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3224 fst = av_mallocz(sizeof(AVStream));
3227 fst->codec= avcodec_alloc_context();
3228 fst->priv_data = av_mallocz(sizeof(FeedData));
3229 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3230 fst->index = stream->nb_streams;
3231 av_set_pts_info(fst, 33, 1, 90000);
3232 stream->streams[stream->nb_streams++] = fst;
3236 /* return the stream number in the feed */
3237 static int add_av_stream(FFStream *feed, AVStream *st)
3240 AVCodecContext *av, *av1;
3244 for(i=0;i<feed->nb_streams;i++) {
3245 st = feed->streams[i];
3247 if (av1->codec_id == av->codec_id &&
3248 av1->codec_type == av->codec_type &&
3249 av1->bit_rate == av->bit_rate) {
3251 switch(av->codec_type) {
3252 case CODEC_TYPE_AUDIO:
3253 if (av1->channels == av->channels &&
3254 av1->sample_rate == av->sample_rate)
3257 case CODEC_TYPE_VIDEO:
3258 if (av1->width == av->width &&
3259 av1->height == av->height &&
3260 av1->time_base.den == av->time_base.den &&
3261 av1->time_base.num == av->time_base.num &&
3262 av1->gop_size == av->gop_size)
3271 fst = add_av_stream1(feed, av);
3274 return feed->nb_streams - 1;
3279 static void remove_stream(FFStream *stream)
3283 while (*ps != NULL) {
3291 /* specific mpeg4 handling : we extract the raw parameters */
3292 static void extract_mpeg4_header(AVFormatContext *infile)
3294 int mpeg4_count, i, size;
3300 for(i=0;i<infile->nb_streams;i++) {
3301 st = infile->streams[i];
3302 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3303 st->codec->extradata_size == 0) {
3310 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3311 while (mpeg4_count > 0) {
3312 if (av_read_packet(infile, &pkt) < 0)
3314 st = infile->streams[pkt.stream_index];
3315 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3316 st->codec->extradata_size == 0) {
3317 av_freep(&st->codec->extradata);
3318 /* fill extradata with the header */
3319 /* XXX: we make hard suppositions here ! */
3321 while (p < pkt.data + pkt.size - 4) {
3322 /* stop when vop header is found */
3323 if (p[0] == 0x00 && p[1] == 0x00 &&
3324 p[2] == 0x01 && p[3] == 0xb6) {
3325 size = p - pkt.data;
3326 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3327 st->codec->extradata = av_malloc(size);
3328 st->codec->extradata_size = size;
3329 memcpy(st->codec->extradata, pkt.data, size);
3336 av_free_packet(&pkt);
3340 /* compute the needed AVStream for each file */
3341 static void build_file_streams(void)
3343 FFStream *stream, *stream_next;
3344 AVFormatContext *infile;
3347 /* gather all streams */
3348 for(stream = first_stream; stream != NULL; stream = stream_next) {
3349 stream_next = stream->next;
3350 if (stream->stream_type == STREAM_TYPE_LIVE &&
3352 /* the stream comes from a file */
3353 /* try to open the file */
3355 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3356 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3357 /* specific case : if transport stream output to RTP,
3358 we use a raw transport stream reader */
3359 stream->ap_in->mpeg2ts_raw = 1;
3360 stream->ap_in->mpeg2ts_compute_pcr = 1;
3363 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3364 stream->ifmt, 0, stream->ap_in)) < 0) {
3365 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3366 /* remove stream (no need to spend more time on it) */
3368 remove_stream(stream);
3370 /* find all the AVStreams inside and reference them in
3372 if (av_find_stream_info(infile) < 0) {
3373 http_log("Could not find codec parameters from '%s'\n",
3374 stream->feed_filename);
3375 av_close_input_file(infile);
3378 extract_mpeg4_header(infile);
3380 for(i=0;i<infile->nb_streams;i++)
3381 add_av_stream1(stream, infile->streams[i]->codec);
3383 av_close_input_file(infile);
3389 /* compute the needed AVStream for each feed */
3390 static void build_feed_streams(void)
3392 FFStream *stream, *feed;
3395 /* gather all streams */
3396 for(stream = first_stream; stream != NULL; stream = stream->next) {
3397 feed = stream->feed;
3399 if (!stream->is_feed) {
3400 /* we handle a stream coming from a feed */
3401 for(i=0;i<stream->nb_streams;i++)
3402 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3407 /* gather all streams */
3408 for(stream = first_stream; stream != NULL; stream = stream->next) {
3409 feed = stream->feed;
3411 if (stream->is_feed) {
3412 for(i=0;i<stream->nb_streams;i++)
3413 stream->feed_streams[i] = i;
3418 /* create feed files if needed */
3419 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3422 if (url_exist(feed->feed_filename)) {
3423 /* See if it matches */
3427 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3428 /* Now see if it matches */
3429 if (s->nb_streams == feed->nb_streams) {
3431 for(i=0;i<s->nb_streams;i++) {
3433 sf = feed->streams[i];
3436 if (sf->index != ss->index ||
3438 printf("Index & Id do not match for stream %d (%s)\n",
3439 i, feed->feed_filename);
3442 AVCodecContext *ccf, *ccs;
3446 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3448 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3449 printf("Codecs do not match for stream %d\n", i);
3451 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3452 printf("Codec bitrates do not match for stream %d\n", i);
3454 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3455 if (CHECK_CODEC(time_base.den) ||
3456 CHECK_CODEC(time_base.num) ||
3457 CHECK_CODEC(width) ||
3458 CHECK_CODEC(height)) {
3459 printf("Codec width, height and framerate do not match for stream %d\n", i);
3462 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3463 if (CHECK_CODEC(sample_rate) ||
3464 CHECK_CODEC(channels) ||
3465 CHECK_CODEC(frame_size)) {
3466 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3470 printf("Unknown codec type\n");
3478 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3479 feed->feed_filename, s->nb_streams, feed->nb_streams);
3481 av_close_input_file(s);
3483 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3484 feed->feed_filename);
3487 if (feed->readonly) {
3488 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3489 feed->feed_filename);
3492 unlink(feed->feed_filename);
3495 if (!url_exist(feed->feed_filename)) {
3496 AVFormatContext s1, *s = &s1;
3498 if (feed->readonly) {
3499 printf("Unable to create feed file '%s' as it is marked readonly\n",
3500 feed->feed_filename);
3504 /* only write the header of the ffm file */
3505 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3506 http_log("Could not open output feed file '%s'\n",
3507 feed->feed_filename);
3510 s->oformat = feed->fmt;
3511 s->nb_streams = feed->nb_streams;
3512 for(i=0;i<s->nb_streams;i++) {
3514 st = feed->streams[i];
3517 av_set_parameters(s, NULL);
3518 if (av_write_header(s) < 0) {
3519 http_log("Container doesn't supports the required parameters\n");
3522 /* XXX: need better api */
3523 av_freep(&s->priv_data);
3526 /* get feed size and write index */
3527 fd = open(feed->feed_filename, O_RDONLY);
3529 http_log("Could not open output feed file '%s'\n",
3530 feed->feed_filename);
3534 feed->feed_write_index = ffm_read_write_index(fd);
3535 feed->feed_size = lseek(fd, 0, SEEK_END);
3536 /* ensure that we do not wrap before the end of file */
3537 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3538 feed->feed_max_size = feed->feed_size;
3544 /* compute the bandwidth used by each stream */
3545 static void compute_bandwidth(void)
3551 for(stream = first_stream; stream != NULL; stream = stream->next) {
3553 for(i=0;i<stream->nb_streams;i++) {
3554 AVStream *st = stream->streams[i];
3555 switch(st->codec->codec_type) {
3556 case CODEC_TYPE_AUDIO:
3557 case CODEC_TYPE_VIDEO:
3558 bandwidth += st->codec->bit_rate;
3564 stream->bandwidth = (bandwidth + 999) / 1000;
3568 static void get_arg(char *buf, int buf_size, const char **pp)
3575 while (isspace(*p)) p++;
3578 if (*p == '\"' || *p == '\'')
3590 if ((q - buf) < buf_size - 1)
3595 if (quote && *p == quote)
3600 /* add a codec and set the default parameters */
3601 static void add_codec(FFStream *stream, AVCodecContext *av)
3605 /* compute default parameters */
3606 switch(av->codec_type) {
3607 case CODEC_TYPE_AUDIO:
3608 if (av->bit_rate == 0)
3609 av->bit_rate = 64000;
3610 if (av->sample_rate == 0)
3611 av->sample_rate = 22050;
3612 if (av->channels == 0)
3615 case CODEC_TYPE_VIDEO:
3616 if (av->bit_rate == 0)
3617 av->bit_rate = 64000;
3618 if (av->time_base.num == 0){
3619 av->time_base.den = 5;
3620 av->time_base.num = 1;
3622 if (av->width == 0 || av->height == 0) {
3626 /* Bitrate tolerance is less for streaming */
3627 if (av->bit_rate_tolerance == 0)
3628 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3629 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3634 if (av->max_qdiff == 0)
3636 av->qcompress = 0.5;
3639 if (!av->nsse_weight)
3640 av->nsse_weight = 8;
3642 av->frame_skip_cmp = FF_CMP_DCTMAX;
3643 av->me_method = ME_EPZS;
3644 av->rc_buffer_aggressivity = 1.0;
3647 av->rc_eq = "tex^qComp";
3648 if (!av->i_quant_factor)
3649 av->i_quant_factor = -0.8;
3650 if (!av->b_quant_factor)
3651 av->b_quant_factor = 1.25;
3652 if (!av->b_quant_offset)
3653 av->b_quant_offset = 1.25;
3654 if (!av->rc_max_rate)
3655 av->rc_max_rate = av->bit_rate * 2;
3657 if (av->rc_max_rate && !av->rc_buffer_size) {
3658 av->rc_buffer_size = av->rc_max_rate;
3667 st = av_mallocz(sizeof(AVStream));
3670 st->codec = avcodec_alloc_context();
3671 stream->streams[stream->nb_streams++] = st;
3672 memcpy(st->codec, av, sizeof(AVCodecContext));
3675 static int opt_audio_codec(const char *arg)
3677 AVCodec *p= avcodec_find_encoder_by_name(arg);
3679 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3680 return CODEC_ID_NONE;
3685 static int opt_video_codec(const char *arg)
3687 AVCodec *p= avcodec_find_encoder_by_name(arg);
3689 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3690 return CODEC_ID_NONE;
3695 /* simplistic plugin support */
3698 static void load_module(const char *filename)
3701 void (*init_func)(void);
3702 dll = dlopen(filename, RTLD_NOW);
3704 fprintf(stderr, "Could not load module '%s' - %s\n",
3705 filename, dlerror());
3709 init_func = dlsym(dll, "ffserver_module_init");
3712 "%s: init function 'ffserver_module_init()' not found\n",
3721 static int opt_default(const char *opt, const char *arg,
3722 AVCodecContext *avctx, int type)
3724 const AVOption *o = NULL;
3725 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3727 o = av_set_string(avctx, opt, arg);
3733 static int parse_ffconfig(const char *filename)
3740 int val, errors, line_num;
3741 FFStream **last_stream, *stream, *redirect;
3742 FFStream **last_feed, *feed;
3743 AVCodecContext audio_enc, video_enc;
3744 int audio_id, video_id;
3746 f = fopen(filename, "r");
3754 first_stream = NULL;
3755 last_stream = &first_stream;
3757 last_feed = &first_feed;
3761 audio_id = CODEC_ID_NONE;
3762 video_id = CODEC_ID_NONE;
3764 if (fgets(line, sizeof(line), f) == NULL)
3770 if (*p == '\0' || *p == '#')
3773 get_arg(cmd, sizeof(cmd), &p);
3775 if (!strcasecmp(cmd, "Port")) {
3776 get_arg(arg, sizeof(arg), &p);
3778 if (val < 1 || val > 65536) {
3779 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3780 filename, line_num, arg);
3783 my_http_addr.sin_port = htons(val);
3784 } else if (!strcasecmp(cmd, "BindAddress")) {
3785 get_arg(arg, sizeof(arg), &p);
3786 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3787 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3788 filename, line_num, arg);
3791 } else if (!strcasecmp(cmd, "NoDaemon")) {
3792 ffserver_daemon = 0;
3793 } else if (!strcasecmp(cmd, "RTSPPort")) {
3794 get_arg(arg, sizeof(arg), &p);
3796 if (val < 1 || val > 65536) {
3797 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3798 filename, line_num, arg);
3801 my_rtsp_addr.sin_port = htons(atoi(arg));
3802 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3803 get_arg(arg, sizeof(arg), &p);
3804 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3805 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3806 filename, line_num, arg);
3809 } else if (!strcasecmp(cmd, "MaxClients")) {
3810 get_arg(arg, sizeof(arg), &p);
3812 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3813 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3814 filename, line_num, arg);
3817 nb_max_connections = val;
3819 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3821 get_arg(arg, sizeof(arg), &p);
3823 if (llval < 10 || llval > 10000000) {
3824 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3825 filename, line_num, arg);
3828 max_bandwidth = llval;
3829 } else if (!strcasecmp(cmd, "CustomLog")) {
3830 if (!ffserver_debug)
3831 get_arg(logfilename, sizeof(logfilename), &p);
3832 } else if (!strcasecmp(cmd, "<Feed")) {
3833 /*********************************************/
3834 /* Feed related options */
3836 if (stream || feed) {
3837 fprintf(stderr, "%s:%d: Already in a tag\n",
3838 filename, line_num);
3840 feed = av_mallocz(sizeof(FFStream));
3841 /* add in stream list */
3842 *last_stream = feed;
3843 last_stream = &feed->next;
3844 /* add in feed list */
3846 last_feed = &feed->next_feed;
3848 get_arg(feed->filename, sizeof(feed->filename), &p);
3849 q = strrchr(feed->filename, '>');
3852 feed->fmt = guess_format("ffm", NULL, NULL);
3853 /* defaut feed file */
3854 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3855 "/tmp/%s.ffm", feed->filename);
3856 feed->feed_max_size = 5 * 1024 * 1024;
3858 feed->feed = feed; /* self feeding :-) */
3860 } else if (!strcasecmp(cmd, "Launch")) {
3864 feed->child_argv = av_mallocz(64 * sizeof(char *));
3866 for (i = 0; i < 62; i++) {
3867 get_arg(arg, sizeof(arg), &p);
3871 feed->child_argv[i] = av_strdup(arg);
3874 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3876 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3878 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3879 inet_ntoa(my_http_addr.sin_addr),
3880 ntohs(my_http_addr.sin_port), feed->filename);
3885 fprintf(stdout, "Launch commandline: ");
3886 for (j = 0; j <= i; j++)
3887 fprintf(stdout, "%s ", feed->child_argv[j]);
3888 fprintf(stdout, "\n");
3891 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3893 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3895 } else if (stream) {
3896 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3898 } else if (!strcasecmp(cmd, "File")) {
3900 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3902 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3903 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3908 get_arg(arg, sizeof(arg), &p);
3910 fsize = strtod(p1, &p1);
3911 switch(toupper(*p1)) {
3916 fsize *= 1024 * 1024;
3919 fsize *= 1024 * 1024 * 1024;
3922 feed->feed_max_size = (int64_t)fsize;
3924 } else if (!strcasecmp(cmd, "</Feed>")) {
3926 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3927 filename, line_num);
3931 } else if (!strcasecmp(cmd, "<Stream")) {
3932 /*********************************************/
3933 /* Stream related options */
3935 if (stream || feed) {
3936 fprintf(stderr, "%s:%d: Already in a tag\n",
3937 filename, line_num);
3939 const AVClass *class;
3940 stream = av_mallocz(sizeof(FFStream));
3941 *last_stream = stream;
3942 last_stream = &stream->next;
3944 get_arg(stream->filename, sizeof(stream->filename), &p);
3945 q = strrchr(stream->filename, '>');
3948 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3949 /* fetch avclass so AVOption works
3950 * FIXME try to use avcodec_get_context_defaults2
3951 * without changing defaults too much */
3952 avcodec_get_context_defaults(&video_enc);
3953 class = video_enc.av_class;
3954 memset(&audio_enc, 0, sizeof(AVCodecContext));
3955 memset(&video_enc, 0, sizeof(AVCodecContext));
3956 audio_enc.av_class = class;
3957 video_enc.av_class = class;
3958 audio_id = CODEC_ID_NONE;
3959 video_id = CODEC_ID_NONE;
3961 audio_id = stream->fmt->audio_codec;
3962 video_id = stream->fmt->video_codec;
3965 } else if (!strcasecmp(cmd, "Feed")) {
3966 get_arg(arg, sizeof(arg), &p);
3971 while (sfeed != NULL) {
3972 if (!strcmp(sfeed->filename, arg))
3974 sfeed = sfeed->next_feed;
3977 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3978 filename, line_num, arg);
3980 stream->feed = sfeed;
3982 } else if (!strcasecmp(cmd, "Format")) {
3983 get_arg(arg, sizeof(arg), &p);
3985 if (!strcmp(arg, "status")) {
3986 stream->stream_type = STREAM_TYPE_STATUS;
3989 stream->stream_type = STREAM_TYPE_LIVE;
3990 /* jpeg cannot be used here, so use single frame jpeg */
3991 if (!strcmp(arg, "jpeg"))
3992 strcpy(arg, "mjpeg");
3993 stream->fmt = guess_stream_format(arg, NULL, NULL);
3995 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3996 filename, line_num, arg);
4001 audio_id = stream->fmt->audio_codec;
4002 video_id = stream->fmt->video_codec;
4005 } else if (!strcasecmp(cmd, "InputFormat")) {
4006 get_arg(arg, sizeof(arg), &p);
4007 stream->ifmt = av_find_input_format(arg);
4008 if (!stream->ifmt) {
4009 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4010 filename, line_num, arg);
4012 } else if (!strcasecmp(cmd, "FaviconURL")) {
4013 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4014 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4016 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4017 filename, line_num);
4020 } else if (!strcasecmp(cmd, "Author")) {
4022 get_arg(stream->author, sizeof(stream->author), &p);
4023 } else if (!strcasecmp(cmd, "Comment")) {
4025 get_arg(stream->comment, sizeof(stream->comment), &p);
4026 } else if (!strcasecmp(cmd, "Copyright")) {
4028 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4029 } else if (!strcasecmp(cmd, "Title")) {
4031 get_arg(stream->title, sizeof(stream->title), &p);
4032 } else if (!strcasecmp(cmd, "Preroll")) {
4033 get_arg(arg, sizeof(arg), &p);
4035 stream->prebuffer = atof(arg) * 1000;
4036 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4038 stream->send_on_key = 1;
4039 } else if (!strcasecmp(cmd, "AudioCodec")) {
4040 get_arg(arg, sizeof(arg), &p);
4041 audio_id = opt_audio_codec(arg);
4042 if (audio_id == CODEC_ID_NONE) {
4043 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4044 filename, line_num, arg);
4047 } else if (!strcasecmp(cmd, "VideoCodec")) {
4048 get_arg(arg, sizeof(arg), &p);
4049 video_id = opt_video_codec(arg);
4050 if (video_id == CODEC_ID_NONE) {
4051 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4052 filename, line_num, arg);
4055 } else if (!strcasecmp(cmd, "MaxTime")) {
4056 get_arg(arg, sizeof(arg), &p);
4058 stream->max_time = atof(arg) * 1000;
4059 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4060 get_arg(arg, sizeof(arg), &p);
4062 audio_enc.bit_rate = atoi(arg) * 1000;
4063 } else if (!strcasecmp(cmd, "AudioChannels")) {
4064 get_arg(arg, sizeof(arg), &p);
4066 audio_enc.channels = atoi(arg);
4067 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4068 get_arg(arg, sizeof(arg), &p);
4070 audio_enc.sample_rate = atoi(arg);
4071 } else if (!strcasecmp(cmd, "AudioQuality")) {
4072 get_arg(arg, sizeof(arg), &p);
4074 // audio_enc.quality = atof(arg) * 1000;
4076 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4078 int minrate, maxrate;
4080 get_arg(arg, sizeof(arg), &p);
4082 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4083 video_enc.rc_min_rate = minrate * 1000;
4084 video_enc.rc_max_rate = maxrate * 1000;
4086 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4087 filename, line_num, arg);
4091 } else if (!strcasecmp(cmd, "Debug")) {
4093 get_arg(arg, sizeof(arg), &p);
4094 video_enc.debug = strtol(arg,0,0);
4096 } else if (!strcasecmp(cmd, "Strict")) {
4098 get_arg(arg, sizeof(arg), &p);
4099 video_enc.strict_std_compliance = atoi(arg);
4101 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4103 get_arg(arg, sizeof(arg), &p);
4104 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4106 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4108 get_arg(arg, sizeof(arg), &p);
4109 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4111 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4112 get_arg(arg, sizeof(arg), &p);
4114 video_enc.bit_rate = atoi(arg) * 1000;
4116 } else if (!strcasecmp(cmd, "VideoSize")) {
4117 get_arg(arg, sizeof(arg), &p);
4119 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4120 if ((video_enc.width % 16) != 0 ||
4121 (video_enc.height % 16) != 0) {
4122 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4123 filename, line_num);
4127 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4128 get_arg(arg, sizeof(arg), &p);
4130 AVRational frame_rate;
4131 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4132 fprintf(stderr, "Incorrect frame rate\n");
4135 video_enc.time_base.num = frame_rate.den;
4136 video_enc.time_base.den = frame_rate.num;
4139 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4140 get_arg(arg, sizeof(arg), &p);
4142 video_enc.gop_size = atoi(arg);
4143 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4145 video_enc.gop_size = 1;
4146 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4148 video_enc.mb_decision = FF_MB_DECISION_BITS;
4149 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4151 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4152 video_enc.flags |= CODEC_FLAG_4MV;
4154 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4155 !strcasecmp(cmd, "AVOptionAudio")) {
4157 AVCodecContext *avctx;
4159 get_arg(arg, sizeof(arg), &p);
4160 get_arg(arg2, sizeof(arg2), &p);
4161 if (!strcasecmp(cmd, "AVOptionVideo")) {
4163 type = AV_OPT_FLAG_VIDEO_PARAM;
4166 type = AV_OPT_FLAG_AUDIO_PARAM;
4168 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4169 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4172 } else if (!strcasecmp(cmd, "VideoTag")) {
4173 get_arg(arg, sizeof(arg), &p);
4174 if ((strlen(arg) == 4) && stream)
4175 video_enc.codec_tag = ff_get_fourcc(arg);
4176 } else if (!strcasecmp(cmd, "BitExact")) {
4178 video_enc.flags |= CODEC_FLAG_BITEXACT;
4179 } else if (!strcasecmp(cmd, "DctFastint")) {
4181 video_enc.dct_algo = FF_DCT_FASTINT;
4182 } else if (!strcasecmp(cmd, "IdctSimple")) {
4184 video_enc.idct_algo = FF_IDCT_SIMPLE;
4185 } else if (!strcasecmp(cmd, "Qscale")) {
4186 get_arg(arg, sizeof(arg), &p);
4188 video_enc.flags |= CODEC_FLAG_QSCALE;
4189 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4191 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4192 get_arg(arg, sizeof(arg), &p);
4194 video_enc.max_qdiff = atoi(arg);
4195 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4196 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4197 filename, line_num);
4201 } else if (!strcasecmp(cmd, "VideoQMax")) {
4202 get_arg(arg, sizeof(arg), &p);
4204 video_enc.qmax = atoi(arg);
4205 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4206 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4207 filename, line_num);
4211 } else if (!strcasecmp(cmd, "VideoQMin")) {
4212 get_arg(arg, sizeof(arg), &p);
4214 video_enc.qmin = atoi(arg);
4215 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4216 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4217 filename, line_num);
4221 } else if (!strcasecmp(cmd, "LumaElim")) {
4222 get_arg(arg, sizeof(arg), &p);
4224 video_enc.luma_elim_threshold = atoi(arg);
4225 } else if (!strcasecmp(cmd, "ChromaElim")) {
4226 get_arg(arg, sizeof(arg), &p);
4228 video_enc.chroma_elim_threshold = atoi(arg);
4229 } else if (!strcasecmp(cmd, "LumiMask")) {
4230 get_arg(arg, sizeof(arg), &p);
4232 video_enc.lumi_masking = atof(arg);
4233 } else if (!strcasecmp(cmd, "DarkMask")) {
4234 get_arg(arg, sizeof(arg), &p);
4236 video_enc.dark_masking = atof(arg);
4237 } else if (!strcasecmp(cmd, "NoVideo")) {
4238 video_id = CODEC_ID_NONE;
4239 } else if (!strcasecmp(cmd, "NoAudio")) {
4240 audio_id = CODEC_ID_NONE;
4241 } else if (!strcasecmp(cmd, "ACL")) {
4244 get_arg(arg, sizeof(arg), &p);
4245 if (strcasecmp(arg, "allow") == 0)
4246 acl.action = IP_ALLOW;
4247 else if (strcasecmp(arg, "deny") == 0)
4248 acl.action = IP_DENY;
4250 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4251 filename, line_num, arg);
4255 get_arg(arg, sizeof(arg), &p);
4257 if (resolve_host(&acl.first, arg) != 0) {
4258 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4259 filename, line_num, arg);
4262 acl.last = acl.first;
4264 get_arg(arg, sizeof(arg), &p);
4267 if (resolve_host(&acl.last, arg) != 0) {
4268 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4269 filename, line_num, arg);
4275 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4276 IPAddressACL **naclp = 0;
4282 naclp = &stream->acl;
4286 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4287 filename, line_num);
4293 naclp = &(*naclp)->next;
4298 } else if (!strcasecmp(cmd, "RTSPOption")) {
4299 get_arg(arg, sizeof(arg), &p);
4301 av_freep(&stream->rtsp_option);
4302 stream->rtsp_option = av_strdup(arg);
4304 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4305 get_arg(arg, sizeof(arg), &p);
4307 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4308 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4309 filename, line_num, arg);
4312 stream->is_multicast = 1;
4313 stream->loop = 1; /* default is looping */
4315 } else if (!strcasecmp(cmd, "MulticastPort")) {
4316 get_arg(arg, sizeof(arg), &p);
4318 stream->multicast_port = atoi(arg);
4319 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4320 get_arg(arg, sizeof(arg), &p);
4322 stream->multicast_ttl = atoi(arg);
4323 } else if (!strcasecmp(cmd, "NoLoop")) {
4326 } else if (!strcasecmp(cmd, "</Stream>")) {
4328 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4329 filename, line_num);
4332 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4333 if (audio_id != CODEC_ID_NONE) {
4334 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4335 audio_enc.codec_id = audio_id;
4336 add_codec(stream, &audio_enc);
4338 if (video_id != CODEC_ID_NONE) {
4339 video_enc.codec_type = CODEC_TYPE_VIDEO;
4340 video_enc.codec_id = video_id;
4341 add_codec(stream, &video_enc);
4346 } else if (!strcasecmp(cmd, "<Redirect")) {
4347 /*********************************************/
4349 if (stream || feed || redirect) {
4350 fprintf(stderr, "%s:%d: Already in a tag\n",
4351 filename, line_num);
4354 redirect = av_mallocz(sizeof(FFStream));
4355 *last_stream = redirect;
4356 last_stream = &redirect->next;
4358 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4359 q = strrchr(redirect->filename, '>');
4362 redirect->stream_type = STREAM_TYPE_REDIRECT;
4364 } else if (!strcasecmp(cmd, "URL")) {
4366 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4367 } else if (!strcasecmp(cmd, "</Redirect>")) {
4369 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4370 filename, line_num);
4373 if (!redirect->feed_filename[0]) {
4374 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4375 filename, line_num);
4380 } else if (!strcasecmp(cmd, "LoadModule")) {
4381 get_arg(arg, sizeof(arg), &p);
4385 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4386 filename, line_num, arg);
4390 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4391 filename, line_num, cmd);
4403 static void handle_child_exit(int sig)
4408 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4411 for (feed = first_feed; feed; feed = feed->next) {
4412 if (feed->pid == pid) {
4413 int uptime = time(0) - feed->pid_start;
4416 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4419 /* Turn off any more restarts */
4420 feed->child_argv = 0;
4425 need_to_start_children = 1;
4428 static void opt_debug()
4431 ffserver_daemon = 0;
4432 logfilename[0] = '-';
4435 static void opt_show_help(void)
4437 printf("usage: ffserver [options]\n"
4438 "Hyper fast multi format Audio/Video streaming server\n");
4440 show_help_options(options, "Main options:\n", 0, 0);
4443 static const OptionDef options[] = {
4444 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4445 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4446 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4447 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4448 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4449 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4450 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4454 int main(int argc, char **argv)
4456 struct sigaction sigact;
4462 config_filename = "/etc/ffserver.conf";
4464 my_program_name = argv[0];
4465 my_program_dir = getcwd(0, 0);
4466 ffserver_daemon = 1;
4468 parse_options(argc, argv, options, NULL);
4470 unsetenv("http_proxy"); /* Kill the http_proxy */
4472 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4474 memset(&sigact, 0, sizeof(sigact));
4475 sigact.sa_handler = handle_child_exit;
4476 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4477 sigaction(SIGCHLD, &sigact, 0);
4479 if (parse_ffconfig(config_filename) < 0) {
4480 fprintf(stderr, "Incorrect config file - exiting.\n");
4484 build_file_streams();
4486 build_feed_streams();
4488 compute_bandwidth();
4490 /* put the process in background and detach it from its TTY */
4491 if (ffserver_daemon) {
4498 } else if (pid > 0) {
4506 open("/dev/null", O_RDWR);
4507 if (strcmp(logfilename, "-") != 0) {
4517 signal(SIGPIPE, SIG_IGN);
4519 /* open log file if needed */
4520 if (logfilename[0] != '\0') {
4521 if (!strcmp(logfilename, "-"))
4524 logfile = fopen(logfilename, "a");
4525 av_log_set_callback(http_av_log);
4528 if (http_server() < 0) {
4529 http_log("Could not start server\n");