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)
2162 AVCodecContext *codec;
2163 AVStream *ist = c->fmt_in->streams[source_index];
2164 AVStream *ost = ctx->streams[pkt.stream_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;
2198 if (c->is_packetized) {
2199 int max_packet_size;
2200 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2201 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2203 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2204 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2206 ret = url_open_dyn_buf(&ctx->pb);
2209 /* XXX: potential leak */
2212 c->fmt_ctx.pb->is_streamed = 1;
2213 if (pkt.dts != AV_NOPTS_VALUE)
2214 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2215 if (pkt.pts != AV_NOPTS_VALUE)
2216 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2217 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2218 if (av_write_frame(ctx, &pkt) < 0) {
2219 http_log("Error writing frame to output\n");
2220 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2223 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2224 c->cur_frame_bytes = len;
2225 c->buffer_ptr = c->pb_buffer;
2226 c->buffer_end = c->pb_buffer + len;
2228 codec->frame_number++;
2230 av_free_packet(&pkt);
2234 av_free_packet(&pkt);
2239 case HTTPSTATE_SEND_DATA_TRAILER:
2240 /* last packet test ? */
2241 if (c->last_packet_sent || c->is_packetized)
2244 /* prepare header */
2245 if (url_open_dyn_buf(&ctx->pb) < 0) {
2246 /* XXX: potential leak */
2249 c->fmt_ctx.pb->is_streamed = 1;
2250 av_write_trailer(ctx);
2251 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2252 c->buffer_ptr = c->pb_buffer;
2253 c->buffer_end = c->pb_buffer + len;
2255 c->last_packet_sent = 1;
2261 /* should convert the format at the same time */
2262 /* send data starting at c->buffer_ptr to the output connection
2263 (either UDP or TCP connection) */
2264 static int http_send_data(HTTPContext *c)
2269 if (c->buffer_ptr >= c->buffer_end) {
2270 ret = http_prepare_data(c);
2274 /* state change requested */
2277 if (c->is_packetized) {
2278 /* RTP data output */
2279 len = c->buffer_end - c->buffer_ptr;
2281 /* fail safe - should never happen */
2283 c->buffer_ptr = c->buffer_end;
2286 len = (c->buffer_ptr[0] << 24) |
2287 (c->buffer_ptr[1] << 16) |
2288 (c->buffer_ptr[2] << 8) |
2290 if (len > (c->buffer_end - c->buffer_ptr))
2292 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2293 /* nothing to send yet: we can wait */
2297 c->data_count += len;
2298 update_datarate(&c->datarate, c->data_count);
2300 c->stream->bytes_served += len;
2302 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2303 /* RTP packets are sent inside the RTSP TCP connection */
2305 int interleaved_index, size;
2307 HTTPContext *rtsp_c;
2310 /* if no RTSP connection left, error */
2313 /* if already sending something, then wait. */
2314 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2316 if (url_open_dyn_buf(&pb) < 0)
2318 interleaved_index = c->packet_stream_index * 2;
2319 /* RTCP packets are sent at odd indexes */
2320 if (c->buffer_ptr[1] == 200)
2321 interleaved_index++;
2322 /* write RTSP TCP header */
2324 header[1] = interleaved_index;
2325 header[2] = len >> 8;
2327 put_buffer(pb, header, 4);
2328 /* write RTP packet data */
2330 put_buffer(pb, c->buffer_ptr, len);
2331 size = url_close_dyn_buf(pb, &c->packet_buffer);
2332 /* prepare asynchronous TCP sending */
2333 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2334 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2335 c->buffer_ptr += len;
2337 /* send everything we can NOW */
2338 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2339 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2341 rtsp_c->packet_buffer_ptr += len;
2342 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2343 /* if we could not send all the data, we will
2344 send it later, so a new state is needed to
2345 "lock" the RTSP TCP connection */
2346 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2349 /* all data has been sent */
2350 av_freep(&c->packet_buffer);
2352 /* send RTP packet directly in UDP */
2354 url_write(c->rtp_handles[c->packet_stream_index],
2355 c->buffer_ptr, len);
2356 c->buffer_ptr += len;
2357 /* here we continue as we can send several packets per 10 ms slot */
2360 /* TCP data output */
2361 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2363 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2364 ff_neterrno() != FF_NETERROR(EINTR))
2365 /* error : close connection */
2370 c->buffer_ptr += len;
2372 c->data_count += len;
2373 update_datarate(&c->datarate, c->data_count);
2375 c->stream->bytes_served += len;
2383 static int http_start_receive_data(HTTPContext *c)
2387 if (c->stream->feed_opened)
2390 /* Don't permit writing to this one */
2391 if (c->stream->readonly)
2395 fd = open(c->stream->feed_filename, O_RDWR);
2397 http_log("Error opening feeder file: %s\n", strerror(errno));
2402 c->stream->feed_write_index = ffm_read_write_index(fd);
2403 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2404 lseek(fd, 0, SEEK_SET);
2406 /* init buffer input */
2407 c->buffer_ptr = c->buffer;
2408 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2409 c->stream->feed_opened = 1;
2413 static int http_receive_data(HTTPContext *c)
2417 if (c->buffer_end > c->buffer_ptr) {
2420 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2422 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2423 ff_neterrno() != FF_NETERROR(EINTR))
2424 /* error : close connection */
2426 } else if (len == 0)
2427 /* end of connection : close it */
2430 c->buffer_ptr += len;
2431 c->data_count += len;
2432 update_datarate(&c->datarate, c->data_count);
2436 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2437 if (c->buffer[0] != 'f' ||
2438 c->buffer[1] != 'm') {
2439 http_log("Feed stream has become desynchronized -- disconnecting\n");
2444 if (c->buffer_ptr >= c->buffer_end) {
2445 FFStream *feed = c->stream;
2446 /* a packet has been received : write it in the store, except
2448 if (c->data_count > FFM_PACKET_SIZE) {
2450 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2451 /* XXX: use llseek or url_seek */
2452 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2453 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2454 http_log("Error writing to feed file: %s\n", strerror(errno));
2458 feed->feed_write_index += FFM_PACKET_SIZE;
2459 /* update file size */
2460 if (feed->feed_write_index > c->stream->feed_size)
2461 feed->feed_size = feed->feed_write_index;
2463 /* handle wrap around if max file size reached */
2464 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2465 feed->feed_write_index = FFM_PACKET_SIZE;
2468 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2470 /* wake up any waiting connections */
2471 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2472 if (c1->state == HTTPSTATE_WAIT_FEED &&
2473 c1->stream->feed == c->stream->feed)
2474 c1->state = HTTPSTATE_SEND_DATA;
2477 /* We have a header in our hands that contains useful data */
2478 AVFormatContext *s = NULL;
2480 AVInputFormat *fmt_in;
2483 /* use feed output format name to find corresponding input format */
2484 fmt_in = av_find_input_format(feed->fmt->name);
2488 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2489 pb->is_streamed = 1;
2491 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2496 /* Now we have the actual streams */
2497 if (s->nb_streams != feed->nb_streams) {
2498 av_close_input_stream(s);
2503 for (i = 0; i < s->nb_streams; i++)
2504 memcpy(feed->streams[i]->codec,
2505 s->streams[i]->codec, sizeof(AVCodecContext));
2507 av_close_input_stream(s);
2510 c->buffer_ptr = c->buffer;
2515 c->stream->feed_opened = 0;
2517 /* wake up any waiting connections to stop waiting for feed */
2518 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2519 if (c1->state == HTTPSTATE_WAIT_FEED &&
2520 c1->stream->feed == c->stream->feed)
2521 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2526 /********************************************************************/
2529 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2536 switch(error_number) {
2537 case RTSP_STATUS_OK:
2540 case RTSP_STATUS_METHOD:
2541 str = "Method Not Allowed";
2543 case RTSP_STATUS_BANDWIDTH:
2544 str = "Not Enough Bandwidth";
2546 case RTSP_STATUS_SESSION:
2547 str = "Session Not Found";
2549 case RTSP_STATUS_STATE:
2550 str = "Method Not Valid in This State";
2552 case RTSP_STATUS_AGGREGATE:
2553 str = "Aggregate operation not allowed";
2555 case RTSP_STATUS_ONLY_AGGREGATE:
2556 str = "Only aggregate operation allowed";
2558 case RTSP_STATUS_TRANSPORT:
2559 str = "Unsupported transport";
2561 case RTSP_STATUS_INTERNAL:
2562 str = "Internal Server Error";
2564 case RTSP_STATUS_SERVICE:
2565 str = "Service Unavailable";
2567 case RTSP_STATUS_VERSION:
2568 str = "RTSP Version not supported";
2571 str = "Unknown Error";
2575 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2576 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2578 /* output GMT time */
2582 p = buf2 + strlen(p) - 1;
2585 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2588 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2590 rtsp_reply_header(c, error_number);
2591 url_fprintf(c->pb, "\r\n");
2594 static int rtsp_parse_request(HTTPContext *c)
2596 const char *p, *p1, *p2;
2602 RTSPHeader header1, *header = &header1;
2604 c->buffer_ptr[0] = '\0';
2607 get_word(cmd, sizeof(cmd), &p);
2608 get_word(url, sizeof(url), &p);
2609 get_word(protocol, sizeof(protocol), &p);
2611 av_strlcpy(c->method, cmd, sizeof(c->method));
2612 av_strlcpy(c->url, url, sizeof(c->url));
2613 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2615 if (url_open_dyn_buf(&c->pb) < 0) {
2616 /* XXX: cannot do more */
2617 c->pb = NULL; /* safety */
2621 /* check version name */
2622 if (strcmp(protocol, "RTSP/1.0") != 0) {
2623 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2627 /* parse each header line */
2628 memset(header, 0, sizeof(RTSPHeader));
2629 /* skip to next line */
2630 while (*p != '\n' && *p != '\0')
2634 while (*p != '\0') {
2635 p1 = strchr(p, '\n');
2639 if (p2 > p && p2[-1] == '\r')
2641 /* skip empty line */
2645 if (len > sizeof(line) - 1)
2646 len = sizeof(line) - 1;
2647 memcpy(line, p, len);
2649 rtsp_parse_line(header, line);
2653 /* handle sequence number */
2654 c->seq = header->seq;
2656 if (!strcmp(cmd, "DESCRIBE"))
2657 rtsp_cmd_describe(c, url);
2658 else if (!strcmp(cmd, "OPTIONS"))
2659 rtsp_cmd_options(c, url);
2660 else if (!strcmp(cmd, "SETUP"))
2661 rtsp_cmd_setup(c, url, header);
2662 else if (!strcmp(cmd, "PLAY"))
2663 rtsp_cmd_play(c, url, header);
2664 else if (!strcmp(cmd, "PAUSE"))
2665 rtsp_cmd_pause(c, url, header);
2666 else if (!strcmp(cmd, "TEARDOWN"))
2667 rtsp_cmd_teardown(c, url, header);
2669 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2672 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2673 c->pb = NULL; /* safety */
2675 /* XXX: cannot do more */
2678 c->buffer_ptr = c->pb_buffer;
2679 c->buffer_end = c->pb_buffer + len;
2680 c->state = RTSPSTATE_SEND_REPLY;
2684 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2685 struct in_addr my_ip)
2687 AVFormatContext *avc;
2688 AVStream avs[MAX_STREAMS];
2691 avc = av_alloc_format_context();
2695 if (stream->title[0] != 0) {
2696 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2698 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2700 avc->nb_streams = stream->nb_streams;
2701 if (stream->is_multicast) {
2702 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2703 inet_ntoa(stream->multicast_ip),
2704 stream->multicast_port, stream->multicast_ttl);
2707 for(i = 0; i < stream->nb_streams; i++) {
2708 avc->streams[i] = &avs[i];
2709 avc->streams[i]->codec = stream->streams[i]->codec;
2711 *pbuffer = av_mallocz(2048);
2712 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2715 return strlen(*pbuffer);
2718 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2720 // rtsp_reply_header(c, RTSP_STATUS_OK);
2721 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2722 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2723 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2724 url_fprintf(c->pb, "\r\n");
2727 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2733 int content_length, len;
2734 struct sockaddr_in my_addr;
2736 /* find which url is asked */
2737 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2742 for(stream = first_stream; stream != NULL; stream = stream->next) {
2743 if (!stream->is_feed &&
2744 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2745 !strcmp(path, stream->filename)) {
2749 /* no stream found */
2750 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2754 /* prepare the media description in sdp format */
2756 /* get the host IP */
2757 len = sizeof(my_addr);
2758 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2759 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2760 if (content_length < 0) {
2761 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2764 rtsp_reply_header(c, RTSP_STATUS_OK);
2765 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2766 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2767 url_fprintf(c->pb, "\r\n");
2768 put_buffer(c->pb, content, content_length);
2771 static HTTPContext *find_rtp_session(const char *session_id)
2775 if (session_id[0] == '\0')
2778 for(c = first_http_ctx; c != NULL; c = c->next) {
2779 if (!strcmp(c->session_id, session_id))
2785 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2787 RTSPTransportField *th;
2790 for(i=0;i<h->nb_transports;i++) {
2791 th = &h->transports[i];
2792 if (th->protocol == protocol)
2798 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2802 int stream_index, port;
2807 RTSPTransportField *th;
2808 struct sockaddr_in dest_addr;
2809 RTSPActionServerSetup setup;
2811 /* find which url is asked */
2812 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2817 /* now check each stream */
2818 for(stream = first_stream; stream != NULL; stream = stream->next) {
2819 if (!stream->is_feed &&
2820 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2821 /* accept aggregate filenames only if single stream */
2822 if (!strcmp(path, stream->filename)) {
2823 if (stream->nb_streams != 1) {
2824 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2831 for(stream_index = 0; stream_index < stream->nb_streams;
2833 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2834 stream->filename, stream_index);
2835 if (!strcmp(path, buf))
2840 /* no stream found */
2841 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2845 /* generate session id if needed */
2846 if (h->session_id[0] == '\0')
2847 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2848 av_random(&random_state), av_random(&random_state));
2850 /* find rtp session, and create it if none found */
2851 rtp_c = find_rtp_session(h->session_id);
2853 /* always prefer UDP */
2854 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2856 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2858 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2863 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2866 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2870 /* open input stream */
2871 if (open_input_stream(rtp_c, "") < 0) {
2872 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2877 /* test if stream is OK (test needed because several SETUP needs
2878 to be done for a given file) */
2879 if (rtp_c->stream != stream) {
2880 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2884 /* test if stream is already set up */
2885 if (rtp_c->rtp_ctx[stream_index]) {
2886 rtsp_reply_error(c, RTSP_STATUS_STATE);
2890 /* check transport */
2891 th = find_transport(h, rtp_c->rtp_protocol);
2892 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2893 th->client_port_min <= 0)) {
2894 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2898 /* setup default options */
2899 setup.transport_option[0] = '\0';
2900 dest_addr = rtp_c->from_addr;
2901 dest_addr.sin_port = htons(th->client_port_min);
2904 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2905 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2909 /* now everything is OK, so we can send the connection parameters */
2910 rtsp_reply_header(c, RTSP_STATUS_OK);
2912 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2914 switch(rtp_c->rtp_protocol) {
2915 case RTSP_PROTOCOL_RTP_UDP:
2916 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2917 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2918 "client_port=%d-%d;server_port=%d-%d",
2919 th->client_port_min, th->client_port_min + 1,
2922 case RTSP_PROTOCOL_RTP_TCP:
2923 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2924 stream_index * 2, stream_index * 2 + 1);
2929 if (setup.transport_option[0] != '\0')
2930 url_fprintf(c->pb, ";%s", setup.transport_option);
2931 url_fprintf(c->pb, "\r\n");
2934 url_fprintf(c->pb, "\r\n");
2938 /* find an rtp connection by using the session ID. Check consistency
2940 static HTTPContext *find_rtp_session_with_url(const char *url,
2941 const char *session_id)
2949 rtp_c = find_rtp_session(session_id);
2953 /* find which url is asked */
2954 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2958 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2959 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2960 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2961 rtp_c->stream->filename, s);
2962 if(!strncmp(path, buf, sizeof(buf))) {
2963 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2970 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2974 rtp_c = find_rtp_session_with_url(url, h->session_id);
2976 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2980 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2981 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2982 rtp_c->state != HTTPSTATE_READY) {
2983 rtsp_reply_error(c, RTSP_STATUS_STATE);
2988 /* XXX: seek in stream */
2989 if (h->range_start != AV_NOPTS_VALUE) {
2990 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2991 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2995 rtp_c->state = HTTPSTATE_SEND_DATA;
2997 /* now everything is OK, so we can send the connection parameters */
2998 rtsp_reply_header(c, RTSP_STATUS_OK);
3000 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3001 url_fprintf(c->pb, "\r\n");
3004 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3008 rtp_c = find_rtp_session_with_url(url, h->session_id);
3010 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3014 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3015 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3016 rtsp_reply_error(c, RTSP_STATUS_STATE);
3020 rtp_c->state = HTTPSTATE_READY;
3021 rtp_c->first_pts = AV_NOPTS_VALUE;
3022 /* now everything is OK, so we can send the connection parameters */
3023 rtsp_reply_header(c, RTSP_STATUS_OK);
3025 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3026 url_fprintf(c->pb, "\r\n");
3029 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3032 char session_id[32];
3034 rtp_c = find_rtp_session_with_url(url, h->session_id);
3036 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3040 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3042 /* abort the session */
3043 close_connection(rtp_c);
3045 /* now everything is OK, so we can send the connection parameters */
3046 rtsp_reply_header(c, RTSP_STATUS_OK);
3048 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3049 url_fprintf(c->pb, "\r\n");
3053 /********************************************************************/
3056 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3057 FFStream *stream, const char *session_id,
3058 enum RTSPProtocol rtp_protocol)
3060 HTTPContext *c = NULL;
3061 const char *proto_str;
3063 /* XXX: should output a warning page when coming
3064 close to the connection limit */
3065 if (nb_connections >= nb_max_connections)
3068 /* add a new connection */
3069 c = av_mallocz(sizeof(HTTPContext));
3074 c->poll_entry = NULL;
3075 c->from_addr = *from_addr;
3076 c->buffer_size = IOBUFFER_INIT_SIZE;
3077 c->buffer = av_malloc(c->buffer_size);
3082 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3083 c->state = HTTPSTATE_READY;
3084 c->is_packetized = 1;
3085 c->rtp_protocol = rtp_protocol;
3087 /* protocol is shown in statistics */
3088 switch(c->rtp_protocol) {
3089 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3090 proto_str = "MCAST";
3092 case RTSP_PROTOCOL_RTP_UDP:
3095 case RTSP_PROTOCOL_RTP_TCP:
3102 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3103 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3105 current_bandwidth += stream->bandwidth;
3107 c->next = first_http_ctx;
3119 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3120 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3122 static int rtp_new_av_stream(HTTPContext *c,
3123 int stream_index, struct sockaddr_in *dest_addr,
3124 HTTPContext *rtsp_c)
3126 AVFormatContext *ctx;
3129 URLContext *h = NULL;
3131 int max_packet_size;
3133 /* now we can open the relevant output stream */
3134 ctx = av_alloc_format_context();
3137 ctx->oformat = guess_format("rtp", NULL, NULL);
3139 st = av_mallocz(sizeof(AVStream));
3142 st->codec= avcodec_alloc_context();
3143 ctx->nb_streams = 1;
3144 ctx->streams[0] = st;
3146 if (!c->stream->feed ||
3147 c->stream->feed == c->stream)
3148 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3151 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3153 st->priv_data = NULL;
3155 /* build destination RTP address */
3156 ipaddr = inet_ntoa(dest_addr->sin_addr);
3158 switch(c->rtp_protocol) {
3159 case RTSP_PROTOCOL_RTP_UDP:
3160 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3163 /* XXX: also pass as parameter to function ? */
3164 if (c->stream->is_multicast) {
3166 ttl = c->stream->multicast_ttl;
3169 snprintf(ctx->filename, sizeof(ctx->filename),
3170 "rtp://%s:%d?multicast=1&ttl=%d",
3171 ipaddr, ntohs(dest_addr->sin_port), ttl);
3173 snprintf(ctx->filename, sizeof(ctx->filename),
3174 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3177 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3179 c->rtp_handles[stream_index] = h;
3180 max_packet_size = url_get_max_packet_size(h);
3182 case RTSP_PROTOCOL_RTP_TCP:
3185 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3191 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3192 ipaddr, ntohs(dest_addr->sin_port),
3193 c->stream->filename, stream_index, c->protocol);
3195 /* normally, no packets should be output here, but the packet size may be checked */
3196 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3197 /* XXX: close stream */
3200 av_set_parameters(ctx, NULL);
3201 if (av_write_header(ctx) < 0) {
3208 url_close_dyn_buf(ctx->pb, &dummy_buf);
3211 c->rtp_ctx[stream_index] = ctx;
3215 /********************************************************************/
3216 /* ffserver initialization */
3218 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3222 fst = av_mallocz(sizeof(AVStream));
3225 fst->codec= avcodec_alloc_context();
3226 fst->priv_data = av_mallocz(sizeof(FeedData));
3227 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3228 fst->index = stream->nb_streams;
3229 av_set_pts_info(fst, 33, 1, 90000);
3230 stream->streams[stream->nb_streams++] = fst;
3234 /* return the stream number in the feed */
3235 static int add_av_stream(FFStream *feed, AVStream *st)
3238 AVCodecContext *av, *av1;
3242 for(i=0;i<feed->nb_streams;i++) {
3243 st = feed->streams[i];
3245 if (av1->codec_id == av->codec_id &&
3246 av1->codec_type == av->codec_type &&
3247 av1->bit_rate == av->bit_rate) {
3249 switch(av->codec_type) {
3250 case CODEC_TYPE_AUDIO:
3251 if (av1->channels == av->channels &&
3252 av1->sample_rate == av->sample_rate)
3255 case CODEC_TYPE_VIDEO:
3256 if (av1->width == av->width &&
3257 av1->height == av->height &&
3258 av1->time_base.den == av->time_base.den &&
3259 av1->time_base.num == av->time_base.num &&
3260 av1->gop_size == av->gop_size)
3269 fst = add_av_stream1(feed, av);
3272 return feed->nb_streams - 1;
3277 static void remove_stream(FFStream *stream)
3281 while (*ps != NULL) {
3289 /* specific mpeg4 handling : we extract the raw parameters */
3290 static void extract_mpeg4_header(AVFormatContext *infile)
3292 int mpeg4_count, i, size;
3298 for(i=0;i<infile->nb_streams;i++) {
3299 st = infile->streams[i];
3300 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3301 st->codec->extradata_size == 0) {
3308 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3309 while (mpeg4_count > 0) {
3310 if (av_read_packet(infile, &pkt) < 0)
3312 st = infile->streams[pkt.stream_index];
3313 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3314 st->codec->extradata_size == 0) {
3315 av_freep(&st->codec->extradata);
3316 /* fill extradata with the header */
3317 /* XXX: we make hard suppositions here ! */
3319 while (p < pkt.data + pkt.size - 4) {
3320 /* stop when vop header is found */
3321 if (p[0] == 0x00 && p[1] == 0x00 &&
3322 p[2] == 0x01 && p[3] == 0xb6) {
3323 size = p - pkt.data;
3324 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3325 st->codec->extradata = av_malloc(size);
3326 st->codec->extradata_size = size;
3327 memcpy(st->codec->extradata, pkt.data, size);
3334 av_free_packet(&pkt);
3338 /* compute the needed AVStream for each file */
3339 static void build_file_streams(void)
3341 FFStream *stream, *stream_next;
3342 AVFormatContext *infile;
3345 /* gather all streams */
3346 for(stream = first_stream; stream != NULL; stream = stream_next) {
3347 stream_next = stream->next;
3348 if (stream->stream_type == STREAM_TYPE_LIVE &&
3350 /* the stream comes from a file */
3351 /* try to open the file */
3353 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3354 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3355 /* specific case : if transport stream output to RTP,
3356 we use a raw transport stream reader */
3357 stream->ap_in->mpeg2ts_raw = 1;
3358 stream->ap_in->mpeg2ts_compute_pcr = 1;
3361 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3362 stream->ifmt, 0, stream->ap_in)) < 0) {
3363 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3364 /* remove stream (no need to spend more time on it) */
3366 remove_stream(stream);
3368 /* find all the AVStreams inside and reference them in
3370 if (av_find_stream_info(infile) < 0) {
3371 http_log("Could not find codec parameters from '%s'\n",
3372 stream->feed_filename);
3373 av_close_input_file(infile);
3376 extract_mpeg4_header(infile);
3378 for(i=0;i<infile->nb_streams;i++)
3379 add_av_stream1(stream, infile->streams[i]->codec);
3381 av_close_input_file(infile);
3387 /* compute the needed AVStream for each feed */
3388 static void build_feed_streams(void)
3390 FFStream *stream, *feed;
3393 /* gather all streams */
3394 for(stream = first_stream; stream != NULL; stream = stream->next) {
3395 feed = stream->feed;
3397 if (!stream->is_feed) {
3398 /* we handle a stream coming from a feed */
3399 for(i=0;i<stream->nb_streams;i++)
3400 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3405 /* gather all streams */
3406 for(stream = first_stream; stream != NULL; stream = stream->next) {
3407 feed = stream->feed;
3409 if (stream->is_feed) {
3410 for(i=0;i<stream->nb_streams;i++)
3411 stream->feed_streams[i] = i;
3416 /* create feed files if needed */
3417 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3420 if (url_exist(feed->feed_filename)) {
3421 /* See if it matches */
3425 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3426 /* Now see if it matches */
3427 if (s->nb_streams == feed->nb_streams) {
3429 for(i=0;i<s->nb_streams;i++) {
3431 sf = feed->streams[i];
3434 if (sf->index != ss->index ||
3436 printf("Index & Id do not match for stream %d (%s)\n",
3437 i, feed->feed_filename);
3440 AVCodecContext *ccf, *ccs;
3444 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3446 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3447 printf("Codecs do not match for stream %d\n", i);
3449 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3450 printf("Codec bitrates do not match for stream %d\n", i);
3452 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3453 if (CHECK_CODEC(time_base.den) ||
3454 CHECK_CODEC(time_base.num) ||
3455 CHECK_CODEC(width) ||
3456 CHECK_CODEC(height)) {
3457 printf("Codec width, height and framerate do not match for stream %d\n", i);
3460 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3461 if (CHECK_CODEC(sample_rate) ||
3462 CHECK_CODEC(channels) ||
3463 CHECK_CODEC(frame_size)) {
3464 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3468 printf("Unknown codec type\n");
3476 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3477 feed->feed_filename, s->nb_streams, feed->nb_streams);
3479 av_close_input_file(s);
3481 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3482 feed->feed_filename);
3485 if (feed->readonly) {
3486 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3487 feed->feed_filename);
3490 unlink(feed->feed_filename);
3493 if (!url_exist(feed->feed_filename)) {
3494 AVFormatContext s1, *s = &s1;
3496 if (feed->readonly) {
3497 printf("Unable to create feed file '%s' as it is marked readonly\n",
3498 feed->feed_filename);
3502 /* only write the header of the ffm file */
3503 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3504 http_log("Could not open output feed file '%s'\n",
3505 feed->feed_filename);
3508 s->oformat = feed->fmt;
3509 s->nb_streams = feed->nb_streams;
3510 for(i=0;i<s->nb_streams;i++) {
3512 st = feed->streams[i];
3515 av_set_parameters(s, NULL);
3516 if (av_write_header(s) < 0) {
3517 http_log("Container doesn't supports the required parameters\n");
3520 /* XXX: need better api */
3521 av_freep(&s->priv_data);
3524 /* get feed size and write index */
3525 fd = open(feed->feed_filename, O_RDONLY);
3527 http_log("Could not open output feed file '%s'\n",
3528 feed->feed_filename);
3532 feed->feed_write_index = ffm_read_write_index(fd);
3533 feed->feed_size = lseek(fd, 0, SEEK_END);
3534 /* ensure that we do not wrap before the end of file */
3535 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3536 feed->feed_max_size = feed->feed_size;
3542 /* compute the bandwidth used by each stream */
3543 static void compute_bandwidth(void)
3549 for(stream = first_stream; stream != NULL; stream = stream->next) {
3551 for(i=0;i<stream->nb_streams;i++) {
3552 AVStream *st = stream->streams[i];
3553 switch(st->codec->codec_type) {
3554 case CODEC_TYPE_AUDIO:
3555 case CODEC_TYPE_VIDEO:
3556 bandwidth += st->codec->bit_rate;
3562 stream->bandwidth = (bandwidth + 999) / 1000;
3566 static void get_arg(char *buf, int buf_size, const char **pp)
3573 while (isspace(*p)) p++;
3576 if (*p == '\"' || *p == '\'')
3588 if ((q - buf) < buf_size - 1)
3593 if (quote && *p == quote)
3598 /* add a codec and set the default parameters */
3599 static void add_codec(FFStream *stream, AVCodecContext *av)
3603 /* compute default parameters */
3604 switch(av->codec_type) {
3605 case CODEC_TYPE_AUDIO:
3606 if (av->bit_rate == 0)
3607 av->bit_rate = 64000;
3608 if (av->sample_rate == 0)
3609 av->sample_rate = 22050;
3610 if (av->channels == 0)
3613 case CODEC_TYPE_VIDEO:
3614 if (av->bit_rate == 0)
3615 av->bit_rate = 64000;
3616 if (av->time_base.num == 0){
3617 av->time_base.den = 5;
3618 av->time_base.num = 1;
3620 if (av->width == 0 || av->height == 0) {
3624 /* Bitrate tolerance is less for streaming */
3625 if (av->bit_rate_tolerance == 0)
3626 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3627 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3632 if (av->max_qdiff == 0)
3634 av->qcompress = 0.5;
3637 if (!av->nsse_weight)
3638 av->nsse_weight = 8;
3640 av->frame_skip_cmp = FF_CMP_DCTMAX;
3641 av->me_method = ME_EPZS;
3642 av->rc_buffer_aggressivity = 1.0;
3645 av->rc_eq = "tex^qComp";
3646 if (!av->i_quant_factor)
3647 av->i_quant_factor = -0.8;
3648 if (!av->b_quant_factor)
3649 av->b_quant_factor = 1.25;
3650 if (!av->b_quant_offset)
3651 av->b_quant_offset = 1.25;
3652 if (!av->rc_max_rate)
3653 av->rc_max_rate = av->bit_rate * 2;
3655 if (av->rc_max_rate && !av->rc_buffer_size) {
3656 av->rc_buffer_size = av->rc_max_rate;
3665 st = av_mallocz(sizeof(AVStream));
3668 st->codec = avcodec_alloc_context();
3669 stream->streams[stream->nb_streams++] = st;
3670 memcpy(st->codec, av, sizeof(AVCodecContext));
3673 static int opt_audio_codec(const char *arg)
3675 AVCodec *p= avcodec_find_encoder_by_name(arg);
3677 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3678 return CODEC_ID_NONE;
3683 static int opt_video_codec(const char *arg)
3685 AVCodec *p= avcodec_find_encoder_by_name(arg);
3687 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3688 return CODEC_ID_NONE;
3693 /* simplistic plugin support */
3696 static void load_module(const char *filename)
3699 void (*init_func)(void);
3700 dll = dlopen(filename, RTLD_NOW);
3702 fprintf(stderr, "Could not load module '%s' - %s\n",
3703 filename, dlerror());
3707 init_func = dlsym(dll, "ffserver_module_init");
3710 "%s: init function 'ffserver_module_init()' not found\n",
3719 static int opt_default(const char *opt, const char *arg,
3720 AVCodecContext *avctx, int type)
3722 const AVOption *o = NULL;
3723 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3725 o = av_set_string(avctx, opt, arg);
3731 static int parse_ffconfig(const char *filename)
3738 int val, errors, line_num;
3739 FFStream **last_stream, *stream, *redirect;
3740 FFStream **last_feed, *feed;
3741 AVCodecContext audio_enc, video_enc;
3742 int audio_id, video_id;
3744 f = fopen(filename, "r");
3752 first_stream = NULL;
3753 last_stream = &first_stream;
3755 last_feed = &first_feed;
3759 audio_id = CODEC_ID_NONE;
3760 video_id = CODEC_ID_NONE;
3762 if (fgets(line, sizeof(line), f) == NULL)
3768 if (*p == '\0' || *p == '#')
3771 get_arg(cmd, sizeof(cmd), &p);
3773 if (!strcasecmp(cmd, "Port")) {
3774 get_arg(arg, sizeof(arg), &p);
3776 if (val < 1 || val > 65536) {
3777 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3778 filename, line_num, arg);
3781 my_http_addr.sin_port = htons(val);
3782 } else if (!strcasecmp(cmd, "BindAddress")) {
3783 get_arg(arg, sizeof(arg), &p);
3784 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3785 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3786 filename, line_num, arg);
3789 } else if (!strcasecmp(cmd, "NoDaemon")) {
3790 ffserver_daemon = 0;
3791 } else if (!strcasecmp(cmd, "RTSPPort")) {
3792 get_arg(arg, sizeof(arg), &p);
3794 if (val < 1 || val > 65536) {
3795 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3796 filename, line_num, arg);
3799 my_rtsp_addr.sin_port = htons(atoi(arg));
3800 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3801 get_arg(arg, sizeof(arg), &p);
3802 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3803 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3804 filename, line_num, arg);
3807 } else if (!strcasecmp(cmd, "MaxClients")) {
3808 get_arg(arg, sizeof(arg), &p);
3810 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3811 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3812 filename, line_num, arg);
3815 nb_max_connections = val;
3817 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3819 get_arg(arg, sizeof(arg), &p);
3821 if (llval < 10 || llval > 10000000) {
3822 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3823 filename, line_num, arg);
3826 max_bandwidth = llval;
3827 } else if (!strcasecmp(cmd, "CustomLog")) {
3828 if (!ffserver_debug)
3829 get_arg(logfilename, sizeof(logfilename), &p);
3830 } else if (!strcasecmp(cmd, "<Feed")) {
3831 /*********************************************/
3832 /* Feed related options */
3834 if (stream || feed) {
3835 fprintf(stderr, "%s:%d: Already in a tag\n",
3836 filename, line_num);
3838 feed = av_mallocz(sizeof(FFStream));
3839 /* add in stream list */
3840 *last_stream = feed;
3841 last_stream = &feed->next;
3842 /* add in feed list */
3844 last_feed = &feed->next_feed;
3846 get_arg(feed->filename, sizeof(feed->filename), &p);
3847 q = strrchr(feed->filename, '>');
3850 feed->fmt = guess_format("ffm", NULL, NULL);
3851 /* defaut feed file */
3852 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3853 "/tmp/%s.ffm", feed->filename);
3854 feed->feed_max_size = 5 * 1024 * 1024;
3856 feed->feed = feed; /* self feeding :-) */
3858 } else if (!strcasecmp(cmd, "Launch")) {
3862 feed->child_argv = av_mallocz(64 * sizeof(char *));
3864 for (i = 0; i < 62; i++) {
3865 get_arg(arg, sizeof(arg), &p);
3869 feed->child_argv[i] = av_strdup(arg);
3872 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3874 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3876 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3877 inet_ntoa(my_http_addr.sin_addr),
3878 ntohs(my_http_addr.sin_port), feed->filename);
3883 fprintf(stdout, "Launch commandline: ");
3884 for (j = 0; j <= i; j++)
3885 fprintf(stdout, "%s ", feed->child_argv[j]);
3886 fprintf(stdout, "\n");
3889 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3891 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3893 } else if (stream) {
3894 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3896 } else if (!strcasecmp(cmd, "File")) {
3898 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3900 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3901 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3906 get_arg(arg, sizeof(arg), &p);
3908 fsize = strtod(p1, &p1);
3909 switch(toupper(*p1)) {
3914 fsize *= 1024 * 1024;
3917 fsize *= 1024 * 1024 * 1024;
3920 feed->feed_max_size = (int64_t)fsize;
3922 } else if (!strcasecmp(cmd, "</Feed>")) {
3924 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3925 filename, line_num);
3929 } else if (!strcasecmp(cmd, "<Stream")) {
3930 /*********************************************/
3931 /* Stream related options */
3933 if (stream || feed) {
3934 fprintf(stderr, "%s:%d: Already in a tag\n",
3935 filename, line_num);
3937 const AVClass *class;
3938 stream = av_mallocz(sizeof(FFStream));
3939 *last_stream = stream;
3940 last_stream = &stream->next;
3942 get_arg(stream->filename, sizeof(stream->filename), &p);
3943 q = strrchr(stream->filename, '>');
3946 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3947 /* fetch avclass so AVOption works
3948 * FIXME try to use avcodec_get_context_defaults2
3949 * without changing defaults too much */
3950 avcodec_get_context_defaults(&video_enc);
3951 class = video_enc.av_class;
3952 memset(&audio_enc, 0, sizeof(AVCodecContext));
3953 memset(&video_enc, 0, sizeof(AVCodecContext));
3954 audio_enc.av_class = class;
3955 video_enc.av_class = class;
3956 audio_id = CODEC_ID_NONE;
3957 video_id = CODEC_ID_NONE;
3959 audio_id = stream->fmt->audio_codec;
3960 video_id = stream->fmt->video_codec;
3963 } else if (!strcasecmp(cmd, "Feed")) {
3964 get_arg(arg, sizeof(arg), &p);
3969 while (sfeed != NULL) {
3970 if (!strcmp(sfeed->filename, arg))
3972 sfeed = sfeed->next_feed;
3975 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3976 filename, line_num, arg);
3978 stream->feed = sfeed;
3980 } else if (!strcasecmp(cmd, "Format")) {
3981 get_arg(arg, sizeof(arg), &p);
3983 if (!strcmp(arg, "status")) {
3984 stream->stream_type = STREAM_TYPE_STATUS;
3987 stream->stream_type = STREAM_TYPE_LIVE;
3988 /* jpeg cannot be used here, so use single frame jpeg */
3989 if (!strcmp(arg, "jpeg"))
3990 strcpy(arg, "mjpeg");
3991 stream->fmt = guess_stream_format(arg, NULL, NULL);
3993 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3994 filename, line_num, arg);
3999 audio_id = stream->fmt->audio_codec;
4000 video_id = stream->fmt->video_codec;
4003 } else if (!strcasecmp(cmd, "InputFormat")) {
4004 get_arg(arg, sizeof(arg), &p);
4005 stream->ifmt = av_find_input_format(arg);
4006 if (!stream->ifmt) {
4007 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4008 filename, line_num, arg);
4010 } else if (!strcasecmp(cmd, "FaviconURL")) {
4011 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4012 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4014 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4015 filename, line_num);
4018 } else if (!strcasecmp(cmd, "Author")) {
4020 get_arg(stream->author, sizeof(stream->author), &p);
4021 } else if (!strcasecmp(cmd, "Comment")) {
4023 get_arg(stream->comment, sizeof(stream->comment), &p);
4024 } else if (!strcasecmp(cmd, "Copyright")) {
4026 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4027 } else if (!strcasecmp(cmd, "Title")) {
4029 get_arg(stream->title, sizeof(stream->title), &p);
4030 } else if (!strcasecmp(cmd, "Preroll")) {
4031 get_arg(arg, sizeof(arg), &p);
4033 stream->prebuffer = atof(arg) * 1000;
4034 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4036 stream->send_on_key = 1;
4037 } else if (!strcasecmp(cmd, "AudioCodec")) {
4038 get_arg(arg, sizeof(arg), &p);
4039 audio_id = opt_audio_codec(arg);
4040 if (audio_id == CODEC_ID_NONE) {
4041 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4042 filename, line_num, arg);
4045 } else if (!strcasecmp(cmd, "VideoCodec")) {
4046 get_arg(arg, sizeof(arg), &p);
4047 video_id = opt_video_codec(arg);
4048 if (video_id == CODEC_ID_NONE) {
4049 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4050 filename, line_num, arg);
4053 } else if (!strcasecmp(cmd, "MaxTime")) {
4054 get_arg(arg, sizeof(arg), &p);
4056 stream->max_time = atof(arg) * 1000;
4057 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4058 get_arg(arg, sizeof(arg), &p);
4060 audio_enc.bit_rate = atoi(arg) * 1000;
4061 } else if (!strcasecmp(cmd, "AudioChannels")) {
4062 get_arg(arg, sizeof(arg), &p);
4064 audio_enc.channels = atoi(arg);
4065 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4066 get_arg(arg, sizeof(arg), &p);
4068 audio_enc.sample_rate = atoi(arg);
4069 } else if (!strcasecmp(cmd, "AudioQuality")) {
4070 get_arg(arg, sizeof(arg), &p);
4072 // audio_enc.quality = atof(arg) * 1000;
4074 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4076 int minrate, maxrate;
4078 get_arg(arg, sizeof(arg), &p);
4080 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4081 video_enc.rc_min_rate = minrate * 1000;
4082 video_enc.rc_max_rate = maxrate * 1000;
4084 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4085 filename, line_num, arg);
4089 } else if (!strcasecmp(cmd, "Debug")) {
4091 get_arg(arg, sizeof(arg), &p);
4092 video_enc.debug = strtol(arg,0,0);
4094 } else if (!strcasecmp(cmd, "Strict")) {
4096 get_arg(arg, sizeof(arg), &p);
4097 video_enc.strict_std_compliance = atoi(arg);
4099 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4101 get_arg(arg, sizeof(arg), &p);
4102 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4104 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4106 get_arg(arg, sizeof(arg), &p);
4107 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4109 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4110 get_arg(arg, sizeof(arg), &p);
4112 video_enc.bit_rate = atoi(arg) * 1000;
4114 } else if (!strcasecmp(cmd, "VideoSize")) {
4115 get_arg(arg, sizeof(arg), &p);
4117 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4118 if ((video_enc.width % 16) != 0 ||
4119 (video_enc.height % 16) != 0) {
4120 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4121 filename, line_num);
4125 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4126 get_arg(arg, sizeof(arg), &p);
4128 AVRational frame_rate;
4129 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4130 fprintf(stderr, "Incorrect frame rate\n");
4133 video_enc.time_base.num = frame_rate.den;
4134 video_enc.time_base.den = frame_rate.num;
4137 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4138 get_arg(arg, sizeof(arg), &p);
4140 video_enc.gop_size = atoi(arg);
4141 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4143 video_enc.gop_size = 1;
4144 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4146 video_enc.mb_decision = FF_MB_DECISION_BITS;
4147 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4149 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4150 video_enc.flags |= CODEC_FLAG_4MV;
4152 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4153 !strcasecmp(cmd, "AVOptionAudio")) {
4155 AVCodecContext *avctx;
4157 get_arg(arg, sizeof(arg), &p);
4158 get_arg(arg2, sizeof(arg2), &p);
4159 if (!strcasecmp(cmd, "AVOptionVideo")) {
4161 type = AV_OPT_FLAG_VIDEO_PARAM;
4164 type = AV_OPT_FLAG_AUDIO_PARAM;
4166 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4167 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4170 } else if (!strcasecmp(cmd, "VideoTag")) {
4171 get_arg(arg, sizeof(arg), &p);
4172 if ((strlen(arg) == 4) && stream)
4173 video_enc.codec_tag = ff_get_fourcc(arg);
4174 } else if (!strcasecmp(cmd, "BitExact")) {
4176 video_enc.flags |= CODEC_FLAG_BITEXACT;
4177 } else if (!strcasecmp(cmd, "DctFastint")) {
4179 video_enc.dct_algo = FF_DCT_FASTINT;
4180 } else if (!strcasecmp(cmd, "IdctSimple")) {
4182 video_enc.idct_algo = FF_IDCT_SIMPLE;
4183 } else if (!strcasecmp(cmd, "Qscale")) {
4184 get_arg(arg, sizeof(arg), &p);
4186 video_enc.flags |= CODEC_FLAG_QSCALE;
4187 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4189 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4190 get_arg(arg, sizeof(arg), &p);
4192 video_enc.max_qdiff = atoi(arg);
4193 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4194 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4195 filename, line_num);
4199 } else if (!strcasecmp(cmd, "VideoQMax")) {
4200 get_arg(arg, sizeof(arg), &p);
4202 video_enc.qmax = atoi(arg);
4203 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4204 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4205 filename, line_num);
4209 } else if (!strcasecmp(cmd, "VideoQMin")) {
4210 get_arg(arg, sizeof(arg), &p);
4212 video_enc.qmin = atoi(arg);
4213 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4214 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4215 filename, line_num);
4219 } else if (!strcasecmp(cmd, "LumaElim")) {
4220 get_arg(arg, sizeof(arg), &p);
4222 video_enc.luma_elim_threshold = atoi(arg);
4223 } else if (!strcasecmp(cmd, "ChromaElim")) {
4224 get_arg(arg, sizeof(arg), &p);
4226 video_enc.chroma_elim_threshold = atoi(arg);
4227 } else if (!strcasecmp(cmd, "LumiMask")) {
4228 get_arg(arg, sizeof(arg), &p);
4230 video_enc.lumi_masking = atof(arg);
4231 } else if (!strcasecmp(cmd, "DarkMask")) {
4232 get_arg(arg, sizeof(arg), &p);
4234 video_enc.dark_masking = atof(arg);
4235 } else if (!strcasecmp(cmd, "NoVideo")) {
4236 video_id = CODEC_ID_NONE;
4237 } else if (!strcasecmp(cmd, "NoAudio")) {
4238 audio_id = CODEC_ID_NONE;
4239 } else if (!strcasecmp(cmd, "ACL")) {
4242 get_arg(arg, sizeof(arg), &p);
4243 if (strcasecmp(arg, "allow") == 0)
4244 acl.action = IP_ALLOW;
4245 else if (strcasecmp(arg, "deny") == 0)
4246 acl.action = IP_DENY;
4248 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4249 filename, line_num, arg);
4253 get_arg(arg, sizeof(arg), &p);
4255 if (resolve_host(&acl.first, arg) != 0) {
4256 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4257 filename, line_num, arg);
4260 acl.last = acl.first;
4262 get_arg(arg, sizeof(arg), &p);
4265 if (resolve_host(&acl.last, arg) != 0) {
4266 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4267 filename, line_num, arg);
4273 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4274 IPAddressACL **naclp = 0;
4280 naclp = &stream->acl;
4284 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4285 filename, line_num);
4291 naclp = &(*naclp)->next;
4296 } else if (!strcasecmp(cmd, "RTSPOption")) {
4297 get_arg(arg, sizeof(arg), &p);
4299 av_freep(&stream->rtsp_option);
4300 stream->rtsp_option = av_strdup(arg);
4302 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4303 get_arg(arg, sizeof(arg), &p);
4305 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4306 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4307 filename, line_num, arg);
4310 stream->is_multicast = 1;
4311 stream->loop = 1; /* default is looping */
4313 } else if (!strcasecmp(cmd, "MulticastPort")) {
4314 get_arg(arg, sizeof(arg), &p);
4316 stream->multicast_port = atoi(arg);
4317 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4318 get_arg(arg, sizeof(arg), &p);
4320 stream->multicast_ttl = atoi(arg);
4321 } else if (!strcasecmp(cmd, "NoLoop")) {
4324 } else if (!strcasecmp(cmd, "</Stream>")) {
4326 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4327 filename, line_num);
4330 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4331 if (audio_id != CODEC_ID_NONE) {
4332 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4333 audio_enc.codec_id = audio_id;
4334 add_codec(stream, &audio_enc);
4336 if (video_id != CODEC_ID_NONE) {
4337 video_enc.codec_type = CODEC_TYPE_VIDEO;
4338 video_enc.codec_id = video_id;
4339 add_codec(stream, &video_enc);
4344 } else if (!strcasecmp(cmd, "<Redirect")) {
4345 /*********************************************/
4347 if (stream || feed || redirect) {
4348 fprintf(stderr, "%s:%d: Already in a tag\n",
4349 filename, line_num);
4352 redirect = av_mallocz(sizeof(FFStream));
4353 *last_stream = redirect;
4354 last_stream = &redirect->next;
4356 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4357 q = strrchr(redirect->filename, '>');
4360 redirect->stream_type = STREAM_TYPE_REDIRECT;
4362 } else if (!strcasecmp(cmd, "URL")) {
4364 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4365 } else if (!strcasecmp(cmd, "</Redirect>")) {
4367 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4368 filename, line_num);
4371 if (!redirect->feed_filename[0]) {
4372 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4373 filename, line_num);
4378 } else if (!strcasecmp(cmd, "LoadModule")) {
4379 get_arg(arg, sizeof(arg), &p);
4383 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4384 filename, line_num, arg);
4388 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4389 filename, line_num, cmd);
4401 static void handle_child_exit(int sig)
4406 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4409 for (feed = first_feed; feed; feed = feed->next) {
4410 if (feed->pid == pid) {
4411 int uptime = time(0) - feed->pid_start;
4414 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4417 /* Turn off any more restarts */
4418 feed->child_argv = 0;
4423 need_to_start_children = 1;
4426 static void opt_debug()
4429 ffserver_daemon = 0;
4430 logfilename[0] = '-';
4433 static void opt_show_help(void)
4435 printf("usage: ffserver [options]\n"
4436 "Hyper fast multi format Audio/Video streaming server\n");
4438 show_help_options(options, "Main options:\n", 0, 0);
4441 static const OptionDef options[] = {
4442 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4443 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4444 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4445 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4446 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4447 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4448 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4452 int main(int argc, char **argv)
4454 struct sigaction sigact;
4460 config_filename = "/etc/ffserver.conf";
4462 my_program_name = argv[0];
4463 my_program_dir = getcwd(0, 0);
4464 ffserver_daemon = 1;
4466 parse_options(argc, argv, options, NULL);
4468 unsetenv("http_proxy"); /* Kill the http_proxy */
4470 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4472 memset(&sigact, 0, sizeof(sigact));
4473 sigact.sa_handler = handle_child_exit;
4474 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4475 sigaction(SIGCHLD, &sigact, 0);
4477 if (parse_ffconfig(config_filename) < 0) {
4478 fprintf(stderr, "Incorrect config file - exiting.\n");
4482 build_file_streams();
4484 build_feed_streams();
4486 compute_bandwidth();
4488 /* put the process in background and detach it from its TTY */
4489 if (ffserver_daemon) {
4496 } else if (pid > 0) {
4504 open("/dev/null", O_RDWR);
4505 if (strcmp(logfilename, "-") != 0) {
4515 signal(SIGPIPE, SIG_IGN);
4517 /* open log file if needed */
4518 if (logfilename[0] != '\0') {
4519 if (!strcmp(logfilename, "-"))
4522 logfile = fopen(logfilename, "a");
4523 av_log_set_callback(http_av_log);
4526 if (http_server() < 0) {
4527 http_log("Could not start server\n");