2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef HAVE_CLOSESOCKET
24 #define closesocket close
28 #include "libavutil/random.h"
29 #include "libavutil/avstring.h"
30 #include "libavformat/avformat.h"
31 #include "libavformat/network.h"
32 #include "libavformat/os_support.h"
33 #include "libavformat/rtp.h"
34 #include "libavformat/rtsp.h"
35 #include "libavcodec/opt.h"
39 #include <sys/ioctl.h>
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
57 const char program_name[] = "FFserver";
58 const int program_birth_year = 2000;
60 static const OptionDef options[];
62 /* maximum number of simultaneous HTTP connections */
63 #define HTTP_MAX_CONNECTIONS 2000
66 HTTPSTATE_WAIT_REQUEST,
67 HTTPSTATE_SEND_HEADER,
68 HTTPSTATE_SEND_DATA_HEADER,
69 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
70 HTTPSTATE_SEND_DATA_TRAILER,
71 HTTPSTATE_RECEIVE_DATA,
72 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
75 RTSPSTATE_WAIT_REQUEST,
77 RTSPSTATE_SEND_PACKET,
80 static const char *http_state[] = {
96 #define IOBUFFER_INIT_SIZE 8192
98 /* timeouts are in ms */
99 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
100 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
102 #define SYNC_TIMEOUT (10 * 1000)
105 int64_t count1, count2;
106 int64_t time1, time2;
109 /* context associated with one connection */
110 typedef struct HTTPContext {
111 enum HTTPState state;
112 int fd; /* socket file descriptor */
113 struct sockaddr_in from_addr; /* origin */
114 struct pollfd *poll_entry; /* used when polling */
116 uint8_t *buffer_ptr, *buffer_end;
119 struct HTTPContext *next;
120 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
124 /* input format handling */
125 AVFormatContext *fmt_in;
126 int64_t start_time; /* In milliseconds - this wraps fairly often */
127 int64_t first_pts; /* initial pts value */
128 int64_t cur_pts; /* current pts value from the stream in us */
129 int64_t cur_frame_duration; /* duration of the current frame in us */
130 int cur_frame_bytes; /* output frame size, needed to compute
131 the time at which we send each
133 int pts_stream_index; /* stream we choose as clock reference */
134 int64_t cur_clock; /* current clock reference value in us */
135 /* output format handling */
136 struct FFStream *stream;
137 /* -1 is invalid stream */
138 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
139 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
141 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
142 int last_packet_sent; /* true if last data packet was sent */
144 DataRateData datarate;
151 int is_packetized; /* if true, the stream is packetized */
152 int packet_stream_index; /* current stream for output in state machine */
154 /* RTSP state specific */
155 uint8_t *pb_buffer; /* XXX: use that in all the code */
157 int seq; /* RTSP sequence number */
159 /* RTP state specific */
160 enum RTSPProtocol rtp_protocol;
161 char session_id[32]; /* session id */
162 AVFormatContext *rtp_ctx[MAX_STREAMS];
164 /* RTP/UDP specific */
165 URLContext *rtp_handles[MAX_STREAMS];
167 /* RTP/TCP specific */
168 struct HTTPContext *rtsp_c;
169 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
172 /* each generated stream is described here */
176 STREAM_TYPE_REDIRECT,
179 enum IPAddressAction {
184 typedef struct IPAddressACL {
185 struct IPAddressACL *next;
186 enum IPAddressAction action;
187 /* These are in host order */
188 struct in_addr first;
192 /* description of each stream of the ffserver.conf file */
193 typedef struct FFStream {
194 enum StreamType stream_type;
195 char filename[1024]; /* stream filename */
196 struct FFStream *feed; /* feed we are using (can be null if
198 AVFormatParameters *ap_in; /* input parameters */
199 AVInputFormat *ifmt; /* if non NULL, force input format */
203 int prebuffer; /* Number of millseconds early to start */
204 int64_t max_time; /* Number of milliseconds to run */
206 AVStream *streams[MAX_STREAMS];
207 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
208 char feed_filename[1024]; /* file name of the feed storage, or
209 input file name for a stream */
214 pid_t pid; /* Of ffmpeg process */
215 time_t pid_start; /* Of ffmpeg process */
217 struct FFStream *next;
218 unsigned bandwidth; /* bandwidth, in kbits/s */
221 /* multicast specific */
223 struct in_addr multicast_ip;
224 int multicast_port; /* first port used for multicast */
226 int loop; /* if true, send the stream in loops (only meaningful if file) */
229 int feed_opened; /* true if someone is writing to the feed */
230 int is_feed; /* true if it is a feed */
231 int readonly; /* True if writing is prohibited to the file */
233 int64_t bytes_served;
234 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
235 int64_t feed_write_index; /* current write position in feed (it wraps around) */
236 int64_t feed_size; /* current size of feed */
237 struct FFStream *next_feed;
240 typedef struct FeedData {
241 long long data_count;
242 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
245 static struct sockaddr_in my_http_addr;
246 static struct sockaddr_in my_rtsp_addr;
248 static char logfilename[1024];
249 static HTTPContext *first_http_ctx;
250 static FFStream *first_feed; /* contains only feeds */
251 static FFStream *first_stream; /* contains all streams, including feeds */
253 static void new_connection(int server_fd, int is_rtsp);
254 static void close_connection(HTTPContext *c);
257 static int handle_connection(HTTPContext *c);
258 static int http_parse_request(HTTPContext *c);
259 static int http_send_data(HTTPContext *c);
260 static void compute_status(HTTPContext *c);
261 static int open_input_stream(HTTPContext *c, const char *info);
262 static int http_start_receive_data(HTTPContext *c);
263 static int http_receive_data(HTTPContext *c);
266 static int rtsp_parse_request(HTTPContext *c);
267 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
268 static void rtsp_cmd_options(HTTPContext *c, const char *url);
269 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
270 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
275 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
276 struct in_addr my_ip);
279 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
280 FFStream *stream, const char *session_id,
281 enum RTSPProtocol rtp_protocol);
282 static int rtp_new_av_stream(HTTPContext *c,
283 int stream_index, struct sockaddr_in *dest_addr,
284 HTTPContext *rtsp_c);
286 static const char *my_program_name;
287 static const char *my_program_dir;
289 static const char *config_filename;
290 static int ffserver_debug;
291 static int ffserver_daemon;
292 static int no_launch;
293 static int need_to_start_children;
295 static int nb_max_connections = 5;
296 static int nb_connections;
298 static uint64_t max_bandwidth = 1000;
299 static uint64_t current_bandwidth;
301 static int64_t cur_time; // Making this global saves on passing it around everywhere
303 static AVRandomState random_state;
305 static FILE *logfile = NULL;
307 static char *ctime1(char *buf2)
315 p = buf2 + strlen(p) - 1;
321 static void http_vlog(const char *fmt, va_list vargs)
323 static int print_prefix = 1;
328 fprintf(logfile, "%s ", buf);
330 print_prefix = strstr(fmt, "\n") != NULL;
331 vfprintf(logfile, fmt, vargs);
336 void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
339 va_start(vargs, fmt);
340 http_vlog(fmt, vargs);
344 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
346 static int print_prefix = 1;
347 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
348 if (level > av_log_level)
350 if (print_prefix && avc)
351 http_log("[%s @ %p]", avc->item_name(ptr), avc);
352 print_prefix = strstr(fmt, "\n") != NULL;
353 http_vlog(fmt, vargs);
356 static void log_connection(HTTPContext *c)
361 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
362 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
363 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
366 static void update_datarate(DataRateData *drd, int64_t count)
368 if (!drd->time1 && !drd->count1) {
369 drd->time1 = drd->time2 = cur_time;
370 drd->count1 = drd->count2 = count;
371 } else if (cur_time - drd->time2 > 5000) {
372 drd->time1 = drd->time2;
373 drd->count1 = drd->count2;
374 drd->time2 = cur_time;
379 /* In bytes per second */
380 static int compute_datarate(DataRateData *drd, int64_t count)
382 if (cur_time == drd->time1)
385 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
389 static void start_children(FFStream *feed)
394 for (; feed; feed = feed->next) {
395 if (feed->child_argv && !feed->pid) {
396 feed->pid_start = time(0);
401 http_log("Unable to create children\n");
410 for (i = 3; i < 256; i++)
413 if (!ffserver_debug) {
414 i = open("/dev/null", O_RDWR);
423 av_strlcpy(pathname, my_program_name, sizeof(pathname));
425 slash = strrchr(pathname, '/');
430 strcpy(slash, "ffmpeg");
432 /* This is needed to make relative pathnames work */
433 chdir(my_program_dir);
435 signal(SIGPIPE, SIG_DFL);
437 execvp(pathname, feed->child_argv);
445 /* open a listening socket */
446 static int socket_open_listen(struct sockaddr_in *my_addr)
450 server_fd = socket(AF_INET,SOCK_STREAM,0);
457 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
459 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
461 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
463 closesocket(server_fd);
467 if (listen (server_fd, 5) < 0) {
469 closesocket(server_fd);
472 ff_socket_nonblock(server_fd, 1);
477 /* start all multicast streams */
478 static void start_multicast(void)
483 struct sockaddr_in dest_addr;
484 int default_port, stream_index;
487 for(stream = first_stream; stream != NULL; stream = stream->next) {
488 if (stream->is_multicast) {
489 /* open the RTP connection */
490 snprintf(session_id, sizeof(session_id), "%08x%08x",
491 av_random(&random_state), av_random(&random_state));
493 /* choose a port if none given */
494 if (stream->multicast_port == 0) {
495 stream->multicast_port = default_port;
499 dest_addr.sin_family = AF_INET;
500 dest_addr.sin_addr = stream->multicast_ip;
501 dest_addr.sin_port = htons(stream->multicast_port);
503 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
504 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
508 if (open_input_stream(rtp_c, "") < 0) {
509 http_log("Could not open input stream for stream '%s'\n",
514 /* open each RTP stream */
515 for(stream_index = 0; stream_index < stream->nb_streams;
517 dest_addr.sin_port = htons(stream->multicast_port +
519 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
520 http_log("Could not open output stream '%s/streamid=%d'\n",
521 stream->filename, stream_index);
526 /* change state to send data */
527 rtp_c->state = HTTPSTATE_SEND_DATA;
532 /* main loop of the http server */
533 static int http_server(void)
535 int server_fd = 0, rtsp_server_fd = 0;
536 int ret, delay, delay1;
537 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
538 HTTPContext *c, *c_next;
540 if (my_http_addr.sin_port) {
541 server_fd = socket_open_listen(&my_http_addr);
546 if (my_rtsp_addr.sin_port) {
547 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
548 if (rtsp_server_fd < 0)
552 if (!rtsp_server_fd && !server_fd) {
553 http_log("HTTP and RTSP disabled.\n");
557 http_log("ffserver started.\n");
559 start_children(first_feed);
561 first_http_ctx = NULL;
567 poll_entry = poll_table;
569 poll_entry->fd = server_fd;
570 poll_entry->events = POLLIN;
573 if (rtsp_server_fd) {
574 poll_entry->fd = rtsp_server_fd;
575 poll_entry->events = POLLIN;
579 /* wait for events on each HTTP handle */
586 case HTTPSTATE_SEND_HEADER:
587 case RTSPSTATE_SEND_REPLY:
588 case RTSPSTATE_SEND_PACKET:
589 c->poll_entry = poll_entry;
591 poll_entry->events = POLLOUT;
594 case HTTPSTATE_SEND_DATA_HEADER:
595 case HTTPSTATE_SEND_DATA:
596 case HTTPSTATE_SEND_DATA_TRAILER:
597 if (!c->is_packetized) {
598 /* for TCP, we output as much as we can (may need to put a limit) */
599 c->poll_entry = poll_entry;
601 poll_entry->events = POLLOUT;
604 /* when ffserver is doing the timing, we work by
605 looking at which packet need to be sent every
607 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
612 case HTTPSTATE_WAIT_REQUEST:
613 case HTTPSTATE_RECEIVE_DATA:
614 case HTTPSTATE_WAIT_FEED:
615 case RTSPSTATE_WAIT_REQUEST:
616 /* need to catch errors */
617 c->poll_entry = poll_entry;
619 poll_entry->events = POLLIN;/* Maybe this will work */
623 c->poll_entry = NULL;
629 /* wait for an event on one connection. We poll at least every
630 second to handle timeouts */
632 ret = poll(poll_table, poll_entry - poll_table, delay);
633 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
634 ff_neterrno() != FF_NETERROR(EINTR))
638 cur_time = av_gettime() / 1000;
640 if (need_to_start_children) {
641 need_to_start_children = 0;
642 start_children(first_feed);
645 /* now handle the events */
646 for(c = first_http_ctx; c != NULL; c = c_next) {
648 if (handle_connection(c) < 0) {
649 /* close and free the connection */
655 poll_entry = poll_table;
657 /* new HTTP connection request ? */
658 if (poll_entry->revents & POLLIN)
659 new_connection(server_fd, 0);
662 if (rtsp_server_fd) {
663 /* new RTSP connection request ? */
664 if (poll_entry->revents & POLLIN)
665 new_connection(rtsp_server_fd, 1);
670 /* start waiting for a new HTTP/RTSP request */
671 static void start_wait_request(HTTPContext *c, int is_rtsp)
673 c->buffer_ptr = c->buffer;
674 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
677 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
678 c->state = RTSPSTATE_WAIT_REQUEST;
680 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
681 c->state = HTTPSTATE_WAIT_REQUEST;
685 static void new_connection(int server_fd, int is_rtsp)
687 struct sockaddr_in from_addr;
689 HTTPContext *c = NULL;
691 len = sizeof(from_addr);
692 fd = accept(server_fd, (struct sockaddr *)&from_addr,
695 http_log("error during accept %s\n", strerror(errno));
698 ff_socket_nonblock(fd, 1);
700 /* XXX: should output a warning page when coming
701 close to the connection limit */
702 if (nb_connections >= nb_max_connections)
705 /* add a new connection */
706 c = av_mallocz(sizeof(HTTPContext));
711 c->poll_entry = NULL;
712 c->from_addr = from_addr;
713 c->buffer_size = IOBUFFER_INIT_SIZE;
714 c->buffer = av_malloc(c->buffer_size);
718 c->next = first_http_ctx;
722 start_wait_request(c, is_rtsp);
734 static void close_connection(HTTPContext *c)
736 HTTPContext **cp, *c1;
738 AVFormatContext *ctx;
742 /* remove connection from list */
743 cp = &first_http_ctx;
744 while ((*cp) != NULL) {
752 /* remove references, if any (XXX: do it faster) */
753 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
758 /* remove connection associated resources */
762 /* close each frame parser */
763 for(i=0;i<c->fmt_in->nb_streams;i++) {
764 st = c->fmt_in->streams[i];
765 if (st->codec->codec)
766 avcodec_close(st->codec);
768 av_close_input_file(c->fmt_in);
771 /* free RTP output streams if any */
774 nb_streams = c->stream->nb_streams;
776 for(i=0;i<nb_streams;i++) {
779 av_write_trailer(ctx);
782 h = c->rtp_handles[i];
789 if (!c->last_packet_sent) {
792 if (url_open_dyn_buf(&ctx->pb) >= 0) {
793 av_write_trailer(ctx);
794 av_freep(&c->pb_buffer);
795 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
800 for(i=0; i<ctx->nb_streams; i++)
801 av_free(ctx->streams[i]);
803 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
804 current_bandwidth -= c->stream->bandwidth;
806 /* signal that there is no feed if we are the feeder socket */
807 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
808 c->stream->feed_opened = 0;
812 av_freep(&c->pb_buffer);
813 av_freep(&c->packet_buffer);
819 static int handle_connection(HTTPContext *c)
824 case HTTPSTATE_WAIT_REQUEST:
825 case RTSPSTATE_WAIT_REQUEST:
827 if ((c->timeout - cur_time) < 0)
829 if (c->poll_entry->revents & (POLLERR | POLLHUP))
832 /* no need to read if no events */
833 if (!(c->poll_entry->revents & POLLIN))
837 len = recv(c->fd, c->buffer_ptr, 1, 0);
839 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
840 ff_neterrno() != FF_NETERROR(EINTR))
842 } else if (len == 0) {
845 /* search for end of request. */
847 c->buffer_ptr += len;
849 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
850 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
851 /* request found : parse it and reply */
852 if (c->state == HTTPSTATE_WAIT_REQUEST) {
853 ret = http_parse_request(c);
855 ret = rtsp_parse_request(c);
859 } else if (ptr >= c->buffer_end) {
860 /* request too long: cannot do anything */
862 } else goto read_loop;
866 case HTTPSTATE_SEND_HEADER:
867 if (c->poll_entry->revents & (POLLERR | POLLHUP))
870 /* no need to write if no events */
871 if (!(c->poll_entry->revents & POLLOUT))
873 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
875 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
876 ff_neterrno() != FF_NETERROR(EINTR)) {
877 /* error : close connection */
878 av_freep(&c->pb_buffer);
882 c->buffer_ptr += len;
884 c->stream->bytes_served += len;
885 c->data_count += len;
886 if (c->buffer_ptr >= c->buffer_end) {
887 av_freep(&c->pb_buffer);
891 /* all the buffer was sent : synchronize to the incoming stream */
892 c->state = HTTPSTATE_SEND_DATA_HEADER;
893 c->buffer_ptr = c->buffer_end = c->buffer;
898 case HTTPSTATE_SEND_DATA:
899 case HTTPSTATE_SEND_DATA_HEADER:
900 case HTTPSTATE_SEND_DATA_TRAILER:
901 /* for packetized output, we consider we can always write (the
902 input streams sets the speed). It may be better to verify
903 that we do not rely too much on the kernel queues */
904 if (!c->is_packetized) {
905 if (c->poll_entry->revents & (POLLERR | POLLHUP))
908 /* no need to read if no events */
909 if (!(c->poll_entry->revents & POLLOUT))
912 if (http_send_data(c) < 0)
914 /* close connection if trailer sent */
915 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
918 case HTTPSTATE_RECEIVE_DATA:
919 /* no need to read if no events */
920 if (c->poll_entry->revents & (POLLERR | POLLHUP))
922 if (!(c->poll_entry->revents & POLLIN))
924 if (http_receive_data(c) < 0)
927 case HTTPSTATE_WAIT_FEED:
928 /* no need to read if no events */
929 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
932 /* nothing to do, we'll be waken up by incoming feed packets */
935 case RTSPSTATE_SEND_REPLY:
936 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
937 av_freep(&c->pb_buffer);
940 /* no need to write if no events */
941 if (!(c->poll_entry->revents & POLLOUT))
943 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
945 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
946 ff_neterrno() != FF_NETERROR(EINTR)) {
947 /* error : close connection */
948 av_freep(&c->pb_buffer);
952 c->buffer_ptr += len;
953 c->data_count += len;
954 if (c->buffer_ptr >= c->buffer_end) {
955 /* all the buffer was sent : wait for a new request */
956 av_freep(&c->pb_buffer);
957 start_wait_request(c, 1);
961 case RTSPSTATE_SEND_PACKET:
962 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
963 av_freep(&c->packet_buffer);
966 /* no need to write if no events */
967 if (!(c->poll_entry->revents & POLLOUT))
969 len = send(c->fd, c->packet_buffer_ptr,
970 c->packet_buffer_end - c->packet_buffer_ptr, 0);
972 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
973 ff_neterrno() != FF_NETERROR(EINTR)) {
974 /* error : close connection */
975 av_freep(&c->packet_buffer);
979 c->packet_buffer_ptr += len;
980 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
981 /* all the buffer was sent : wait for a new request */
982 av_freep(&c->packet_buffer);
983 c->state = RTSPSTATE_WAIT_REQUEST;
987 case HTTPSTATE_READY:
996 static int extract_rates(char *rates, int ratelen, const char *request)
1000 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1001 if (strncasecmp(p, "Pragma:", 7) == 0) {
1002 const char *q = p + 7;
1004 while (*q && *q != '\n' && isspace(*q))
1007 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1013 memset(rates, 0xff, ratelen);
1016 while (*q && *q != '\n' && *q != ':')
1019 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1023 if (stream_no < ratelen && stream_no >= 0)
1024 rates[stream_no] = rate_no;
1026 while (*q && *q != '\n' && !isspace(*q))
1033 p = strchr(p, '\n');
1043 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1046 int best_bitrate = 100000000;
1049 for (i = 0; i < feed->nb_streams; i++) {
1050 AVCodecContext *feed_codec = feed->streams[i]->codec;
1052 if (feed_codec->codec_id != codec->codec_id ||
1053 feed_codec->sample_rate != codec->sample_rate ||
1054 feed_codec->width != codec->width ||
1055 feed_codec->height != codec->height)
1058 /* Potential stream */
1060 /* We want the fastest stream less than bit_rate, or the slowest
1061 * faster than bit_rate
1064 if (feed_codec->bit_rate <= bit_rate) {
1065 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1066 best_bitrate = feed_codec->bit_rate;
1070 if (feed_codec->bit_rate < best_bitrate) {
1071 best_bitrate = feed_codec->bit_rate;
1080 static int modify_current_stream(HTTPContext *c, char *rates)
1083 FFStream *req = c->stream;
1084 int action_required = 0;
1086 /* Not much we can do for a feed */
1090 for (i = 0; i < req->nb_streams; i++) {
1091 AVCodecContext *codec = req->streams[i]->codec;
1095 c->switch_feed_streams[i] = req->feed_streams[i];
1098 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1101 /* Wants off or slow */
1102 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1104 /* This doesn't work well when it turns off the only stream! */
1105 c->switch_feed_streams[i] = -2;
1106 c->feed_streams[i] = -2;
1111 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1112 action_required = 1;
1115 return action_required;
1119 static void do_switch_stream(HTTPContext *c, int i)
1121 if (c->switch_feed_streams[i] >= 0) {
1123 c->feed_streams[i] = c->switch_feed_streams[i];
1126 /* Now update the stream */
1128 c->switch_feed_streams[i] = -1;
1131 /* XXX: factorize in utils.c ? */
1132 /* XXX: take care with different space meaning */
1133 static void skip_spaces(const char **pp)
1137 while (*p == ' ' || *p == '\t')
1142 static void get_word(char *buf, int buf_size, const char **pp)
1150 while (!isspace(*p) && *p != '\0') {
1151 if ((q - buf) < buf_size - 1)
1160 static int validate_acl(FFStream *stream, HTTPContext *c)
1162 enum IPAddressAction last_action = IP_DENY;
1164 struct in_addr *src = &c->from_addr.sin_addr;
1165 unsigned long src_addr = src->s_addr;
1167 for (acl = stream->acl; acl; acl = acl->next) {
1168 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1169 return (acl->action == IP_ALLOW) ? 1 : 0;
1170 last_action = acl->action;
1173 /* Nothing matched, so return not the last action */
1174 return (last_action == IP_DENY) ? 1 : 0;
1177 /* compute the real filename of a file by matching it without its
1178 extensions to all the stream filenames */
1179 static void compute_real_filename(char *filename, int max_size)
1186 /* compute filename by matching without the file extensions */
1187 av_strlcpy(file1, filename, sizeof(file1));
1188 p = strrchr(file1, '.');
1191 for(stream = first_stream; stream != NULL; stream = stream->next) {
1192 av_strlcpy(file2, stream->filename, sizeof(file2));
1193 p = strrchr(file2, '.');
1196 if (!strcmp(file1, file2)) {
1197 av_strlcpy(filename, stream->filename, max_size);
1212 /* parse http request and prepare header */
1213 static int http_parse_request(HTTPContext *c)
1216 enum RedirType redir_type;
1218 char info[1024], filename[1024];
1222 const char *mime_type;
1226 char *useragent = 0;
1229 get_word(cmd, sizeof(cmd), (const char **)&p);
1230 av_strlcpy(c->method, cmd, sizeof(c->method));
1232 if (!strcmp(cmd, "GET"))
1234 else if (!strcmp(cmd, "POST"))
1239 get_word(url, sizeof(url), (const char **)&p);
1240 av_strlcpy(c->url, url, sizeof(c->url));
1242 get_word(protocol, sizeof(protocol), (const char **)&p);
1243 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1246 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1249 http_log("New connection: %s %s\n", cmd, url);
1251 /* find the filename and the optional info string in the request */
1252 p = strchr(url, '?');
1254 av_strlcpy(info, p, sizeof(info));
1259 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1261 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1262 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1264 if (*useragent && *useragent != '\n' && isspace(*useragent))
1268 p = strchr(p, '\n');
1275 redir_type = REDIR_NONE;
1276 if (match_ext(filename, "asx")) {
1277 redir_type = REDIR_ASX;
1278 filename[strlen(filename)-1] = 'f';
1279 } else if (match_ext(filename, "asf") &&
1280 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1281 /* if this isn't WMP or lookalike, return the redirector file */
1282 redir_type = REDIR_ASF;
1283 } else if (match_ext(filename, "rpm,ram")) {
1284 redir_type = REDIR_RAM;
1285 strcpy(filename + strlen(filename)-2, "m");
1286 } else if (match_ext(filename, "rtsp")) {
1287 redir_type = REDIR_RTSP;
1288 compute_real_filename(filename, sizeof(filename) - 1);
1289 } else if (match_ext(filename, "sdp")) {
1290 redir_type = REDIR_SDP;
1291 compute_real_filename(filename, sizeof(filename) - 1);
1294 // "redirect" / request to index.html
1295 if (!strlen(filename))
1296 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1298 stream = first_stream;
1299 while (stream != NULL) {
1300 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1302 stream = stream->next;
1304 if (stream == NULL) {
1305 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1310 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1311 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1313 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1314 c->http_error = 301;
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1322 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1324 /* prepare output buffer */
1325 c->buffer_ptr = c->buffer;
1327 c->state = HTTPSTATE_SEND_HEADER;
1331 /* If this is WMP, get the rate information */
1332 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1333 if (modify_current_stream(c, ratebuf)) {
1334 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1335 if (c->switch_feed_streams[i] >= 0)
1336 do_switch_stream(c, i);
1341 /* If already streaming this feed, do not let start another feeder. */
1342 if (stream->feed_opened) {
1343 snprintf(msg, sizeof(msg), "This feed is already being received.");
1347 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1348 current_bandwidth += stream->bandwidth;
1350 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1351 c->http_error = 200;
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1357 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %lldkbit/sec, and this exceeds the limit of %lldkbit/sec.</p>\r\n",
1359 current_bandwidth, max_bandwidth);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1362 /* prepare output buffer */
1363 c->buffer_ptr = c->buffer;
1365 c->state = HTTPSTATE_SEND_HEADER;
1369 if (redir_type != REDIR_NONE) {
1372 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1373 if (strncasecmp(p, "Host:", 5) == 0) {
1377 p = strchr(p, '\n');
1388 while (isspace(*hostinfo))
1391 eoh = strchr(hostinfo, '\n');
1393 if (eoh[-1] == '\r')
1396 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1397 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1398 hostbuf[eoh - hostinfo] = 0;
1400 c->http_error = 200;
1402 switch(redir_type) {
1404 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1405 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1406 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1407 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1408 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1409 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1410 hostbuf, filename, info);
1411 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1416 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1418 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1419 hostbuf, filename, info);
1422 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1423 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1424 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1425 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1426 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1427 hostbuf, filename, info);
1431 char hostname[256], *p;
1432 /* extract only hostname */
1433 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1434 p = strrchr(hostname, ':');
1437 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1438 /* XXX: incorrect mime type ? */
1439 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1440 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1441 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1442 hostname, ntohs(my_rtsp_addr.sin_port),
1449 int sdp_data_size, len;
1450 struct sockaddr_in my_addr;
1452 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1453 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1454 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1456 len = sizeof(my_addr);
1457 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1459 /* XXX: should use a dynamic buffer */
1460 sdp_data_size = prepare_sdp_description(stream,
1463 if (sdp_data_size > 0) {
1464 memcpy(q, sdp_data, sdp_data_size);
1476 /* prepare output buffer */
1477 c->buffer_ptr = c->buffer;
1479 c->state = HTTPSTATE_SEND_HEADER;
1485 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1489 stream->conns_served++;
1491 /* XXX: add there authenticate and IP match */
1494 /* if post, it means a feed is being sent */
1495 if (!stream->is_feed) {
1496 /* However it might be a status report from WMP! Lets log the data
1497 * as it might come in handy one day
1502 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1503 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1507 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1508 client_id = strtol(p + 18, 0, 10);
1509 p = strchr(p, '\n');
1517 char *eol = strchr(logline, '\n');
1522 if (eol[-1] == '\r')
1524 http_log("%.*s\n", (int) (eol - logline), logline);
1525 c->suppress_log = 1;
1530 http_log("\nGot request:\n%s\n", c->buffer);
1533 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1536 /* Now we have to find the client_id */
1537 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1538 if (wmpc->wmp_client_id == client_id)
1542 if (wmpc && modify_current_stream(wmpc, ratebuf))
1543 wmpc->switch_pending = 1;
1546 snprintf(msg, sizeof(msg), "POST command not handled");
1550 if (http_start_receive_data(c) < 0) {
1551 snprintf(msg, sizeof(msg), "could not open feed");
1555 c->state = HTTPSTATE_RECEIVE_DATA;
1560 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1561 http_log("\nGot request:\n%s\n", c->buffer);
1564 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1567 /* open input stream */
1568 if (open_input_stream(c, info) < 0) {
1569 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1573 /* prepare http header */
1575 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1576 mime_type = c->stream->fmt->mime_type;
1578 mime_type = "application/x-octet-stream";
1579 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1581 /* for asf, we need extra headers */
1582 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1583 /* Need to allocate a client id */
1585 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1587 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1589 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1590 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1592 /* prepare output buffer */
1594 c->buffer_ptr = c->buffer;
1596 c->state = HTTPSTATE_SEND_HEADER;
1599 c->http_error = 404;
1601 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1602 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1603 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1604 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1605 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1606 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1607 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1609 /* prepare output buffer */
1610 c->buffer_ptr = c->buffer;
1612 c->state = HTTPSTATE_SEND_HEADER;
1616 c->http_error = 200; /* horrible : we use this value to avoid
1617 going to the send data state */
1618 c->state = HTTPSTATE_SEND_HEADER;
1622 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1624 static const char *suffix = " kMGTP";
1627 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1629 url_fprintf(pb, "%"PRId64"%c", count, *s);
1632 static void compute_status(HTTPContext *c)
1641 if (url_open_dyn_buf(&pb) < 0) {
1642 /* XXX: return an error ? */
1643 c->buffer_ptr = c->buffer;
1644 c->buffer_end = c->buffer;
1648 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1649 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1650 url_fprintf(pb, "Pragma: no-cache\r\n");
1651 url_fprintf(pb, "\r\n");
1653 url_fprintf(pb, "<HEAD><TITLE>%s Status</TITLE>\n", program_name);
1654 if (c->stream->feed_filename[0])
1655 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1656 url_fprintf(pb, "</HEAD>\n<BODY>");
1657 url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
1659 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1660 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1661 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1662 stream = first_stream;
1663 while (stream != NULL) {
1664 char sfilename[1024];
1667 if (stream->feed != stream) {
1668 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1669 eosf = sfilename + strlen(sfilename);
1670 if (eosf - sfilename >= 4) {
1671 if (strcmp(eosf - 4, ".asf") == 0)
1672 strcpy(eosf - 4, ".asx");
1673 else if (strcmp(eosf - 3, ".rm") == 0)
1674 strcpy(eosf - 3, ".ram");
1675 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1676 /* generate a sample RTSP director if
1677 unicast. Generate an SDP redirector if
1679 eosf = strrchr(sfilename, '.');
1681 eosf = sfilename + strlen(sfilename);
1682 if (stream->is_multicast)
1683 strcpy(eosf, ".sdp");
1685 strcpy(eosf, ".rtsp");
1689 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1690 sfilename, stream->filename);
1691 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1692 stream->conns_served);
1693 fmt_bytecount(pb, stream->bytes_served);
1694 switch(stream->stream_type) {
1695 case STREAM_TYPE_LIVE:
1697 int audio_bit_rate = 0;
1698 int video_bit_rate = 0;
1699 const char *audio_codec_name = "";
1700 const char *video_codec_name = "";
1701 const char *audio_codec_name_extra = "";
1702 const char *video_codec_name_extra = "";
1704 for(i=0;i<stream->nb_streams;i++) {
1705 AVStream *st = stream->streams[i];
1706 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1707 switch(st->codec->codec_type) {
1708 case CODEC_TYPE_AUDIO:
1709 audio_bit_rate += st->codec->bit_rate;
1711 if (*audio_codec_name)
1712 audio_codec_name_extra = "...";
1713 audio_codec_name = codec->name;
1716 case CODEC_TYPE_VIDEO:
1717 video_bit_rate += st->codec->bit_rate;
1719 if (*video_codec_name)
1720 video_codec_name_extra = "...";
1721 video_codec_name = codec->name;
1724 case CODEC_TYPE_DATA:
1725 video_bit_rate += st->codec->bit_rate;
1731 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1734 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1735 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1737 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1739 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1740 url_fprintf(pb, "\n");
1744 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1748 stream = stream->next;
1750 url_fprintf(pb, "</TABLE>\n");
1752 stream = first_stream;
1753 while (stream != NULL) {
1754 if (stream->feed == stream) {
1755 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1757 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1759 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1764 /* This is somewhat linux specific I guess */
1765 snprintf(ps_cmd, sizeof(ps_cmd),
1766 "ps -o \"%%cpu,cputime\" --no-headers %d",
1769 pid_stat = popen(ps_cmd, "r");
1774 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1776 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1784 url_fprintf(pb, "<p>");
1786 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1788 for (i = 0; i < stream->nb_streams; i++) {
1789 AVStream *st = stream->streams[i];
1790 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1791 const char *type = "unknown";
1792 char parameters[64];
1796 switch(st->codec->codec_type) {
1797 case CODEC_TYPE_AUDIO:
1799 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1801 case CODEC_TYPE_VIDEO:
1803 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1804 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1809 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1810 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1812 url_fprintf(pb, "</table>\n");
1815 stream = stream->next;
1821 AVCodecContext *enc;
1825 stream = first_feed;
1826 while (stream != NULL) {
1827 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1828 url_fprintf(pb, "<TABLE>\n");
1829 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1830 for(i=0;i<stream->nb_streams;i++) {
1831 AVStream *st = stream->streams[i];
1832 FeedData *fdata = st->priv_data;
1835 avcodec_string(buf, sizeof(buf), enc);
1836 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1837 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1838 avg /= enc->frame_size;
1839 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1840 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1842 url_fprintf(pb, "</TABLE>\n");
1843 stream = stream->next_feed;
1848 /* connection status */
1849 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1851 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1852 nb_connections, nb_max_connections);
1854 url_fprintf(pb, "Bandwidth in use: %lldk / %lldk<BR>\n",
1855 current_bandwidth, max_bandwidth);
1857 url_fprintf(pb, "<TABLE>\n");
1858 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1859 c1 = first_http_ctx;
1861 while (c1 != NULL) {
1867 for (j = 0; j < c1->stream->nb_streams; j++) {
1868 if (!c1->stream->feed)
1869 bitrate += c1->stream->streams[j]->codec->bit_rate;
1870 else if (c1->feed_streams[j] >= 0)
1871 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1876 p = inet_ntoa(c1->from_addr.sin_addr);
1877 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1879 c1->stream ? c1->stream->filename : "",
1880 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1883 http_state[c1->state]);
1884 fmt_bytecount(pb, bitrate);
1885 url_fprintf(pb, "<td align=right>");
1886 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1887 url_fprintf(pb, "<td align=right>");
1888 fmt_bytecount(pb, c1->data_count);
1889 url_fprintf(pb, "\n");
1892 url_fprintf(pb, "</TABLE>\n");
1897 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1898 url_fprintf(pb, "</BODY>\n</HTML>\n");
1900 len = url_close_dyn_buf(pb, &c->pb_buffer);
1901 c->buffer_ptr = c->pb_buffer;
1902 c->buffer_end = c->pb_buffer + len;
1905 /* check if the parser needs to be opened for stream i */
1906 static void open_parser(AVFormatContext *s, int i)
1908 AVStream *st = s->streams[i];
1911 if (!st->codec->codec) {
1912 codec = avcodec_find_decoder(st->codec->codec_id);
1913 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1914 st->codec->parse_only = 1;
1915 if (avcodec_open(st->codec, codec) < 0)
1916 st->codec->parse_only = 0;
1921 static int open_input_stream(HTTPContext *c, const char *info)
1924 char input_filename[1024];
1926 int buf_size, i, ret;
1929 /* find file name */
1930 if (c->stream->feed) {
1931 strcpy(input_filename, c->stream->feed->feed_filename);
1932 buf_size = FFM_PACKET_SIZE;
1933 /* compute position (absolute time) */
1934 if (find_info_tag(buf, sizeof(buf), "date", info))
1936 stream_pos = parse_date(buf, 0);
1937 if (stream_pos == INT64_MIN)
1940 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1941 int prebuffer = strtol(buf, 0, 10);
1942 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1944 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1946 strcpy(input_filename, c->stream->feed_filename);
1948 /* compute position (relative time) */
1949 if (find_info_tag(buf, sizeof(buf), "date", info))
1951 stream_pos = parse_date(buf, 1);
1952 if (stream_pos == INT64_MIN)
1958 if (input_filename[0] == '\0')
1962 { time_t when = stream_pos / 1000000;
1963 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1968 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1969 buf_size, c->stream->ap_in)) < 0) {
1970 http_log("could not open %s: %d\n", input_filename, ret);
1973 s->flags |= AVFMT_FLAG_GENPTS;
1975 av_find_stream_info(c->fmt_in);
1977 /* open each parser */
1978 for(i=0;i<s->nb_streams;i++)
1981 /* choose stream as clock source (we favorize video stream if
1982 present) for packet sending */
1983 c->pts_stream_index = 0;
1984 for(i=0;i<c->stream->nb_streams;i++) {
1985 if (c->pts_stream_index == 0 &&
1986 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1987 c->pts_stream_index = i;
1992 if (c->fmt_in->iformat->read_seek)
1993 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
1995 /* set the start time (needed for maxtime and RTP packet timing) */
1996 c->start_time = cur_time;
1997 c->first_pts = AV_NOPTS_VALUE;
2001 /* return the server clock (in us) */
2002 static int64_t get_server_clock(HTTPContext *c)
2004 /* compute current pts value from system time */
2005 return (cur_time - c->start_time) * 1000;
2008 /* return the estimated time at which the current packet must be sent
2010 static int64_t get_packet_send_clock(HTTPContext *c)
2012 int bytes_left, bytes_sent, frame_bytes;
2014 frame_bytes = c->cur_frame_bytes;
2015 if (frame_bytes <= 0)
2018 bytes_left = c->buffer_end - c->buffer_ptr;
2019 bytes_sent = frame_bytes - bytes_left;
2020 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2025 static int http_prepare_data(HTTPContext *c)
2028 AVFormatContext *ctx;
2030 av_freep(&c->pb_buffer);
2032 case HTTPSTATE_SEND_DATA_HEADER:
2033 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2034 av_strlcpy(c->fmt_ctx.author, c->stream->author,
2035 sizeof(c->fmt_ctx.author));
2036 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
2037 sizeof(c->fmt_ctx.comment));
2038 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
2039 sizeof(c->fmt_ctx.copyright));
2040 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2041 sizeof(c->fmt_ctx.title));
2043 /* open output stream by using specified codecs */
2044 c->fmt_ctx.oformat = c->stream->fmt;
2045 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2046 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2049 st = av_mallocz(sizeof(AVStream));
2050 c->fmt_ctx.streams[i] = st;
2051 /* if file or feed, then just take streams from FFStream struct */
2052 if (!c->stream->feed ||
2053 c->stream->feed == c->stream)
2054 src = c->stream->streams[i];
2056 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2060 st->codec->frame_number = 0; /* XXX: should be done in
2061 AVStream, not in codec */
2063 c->got_key_frame = 0;
2065 /* prepare header and save header data in a stream */
2066 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2067 /* XXX: potential leak */
2070 c->fmt_ctx.pb->is_streamed = 1;
2073 * HACK to avoid mpeg ps muxer to spit many underflow errors
2074 * Default value from FFmpeg
2075 * Try to set it use configuration option
2077 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2078 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2080 av_set_parameters(&c->fmt_ctx, NULL);
2081 if (av_write_header(&c->fmt_ctx) < 0) {
2082 http_log("Error writing output header\n");
2086 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2087 c->buffer_ptr = c->pb_buffer;
2088 c->buffer_end = c->pb_buffer + len;
2090 c->state = HTTPSTATE_SEND_DATA;
2091 c->last_packet_sent = 0;
2093 case HTTPSTATE_SEND_DATA:
2094 /* find a new packet */
2095 /* read a packet from the input stream */
2096 if (c->stream->feed)
2097 ffm_set_write_index(c->fmt_in,
2098 c->stream->feed->feed_write_index,
2099 c->stream->feed->feed_size);
2101 if (c->stream->max_time &&
2102 c->stream->max_time + c->start_time - cur_time < 0)
2103 /* We have timed out */
2104 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2108 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2109 if (c->stream->feed && c->stream->feed->feed_opened) {
2110 /* if coming from feed, it means we reached the end of the
2111 ffm file, so must wait for more data */
2112 c->state = HTTPSTATE_WAIT_FEED;
2113 return 1; /* state changed */
2115 if (c->stream->loop) {
2116 av_close_input_file(c->fmt_in);
2118 if (open_input_stream(c, "") < 0)
2123 /* must send trailer now because eof or error */
2124 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2128 int source_index = pkt.stream_index;
2129 /* update first pts if needed */
2130 if (c->first_pts == AV_NOPTS_VALUE) {
2131 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2132 c->start_time = cur_time;
2134 /* send it to the appropriate stream */
2135 if (c->stream->feed) {
2136 /* if coming from a feed, select the right stream */
2137 if (c->switch_pending) {
2138 c->switch_pending = 0;
2139 for(i=0;i<c->stream->nb_streams;i++) {
2140 if (c->switch_feed_streams[i] == pkt.stream_index)
2141 if (pkt.flags & PKT_FLAG_KEY)
2142 do_switch_stream(c, i);
2143 if (c->switch_feed_streams[i] >= 0)
2144 c->switch_pending = 1;
2147 for(i=0;i<c->stream->nb_streams;i++) {
2148 if (c->feed_streams[i] == pkt.stream_index) {
2149 AVStream *st = c->fmt_in->streams[source_index];
2150 pkt.stream_index = i;
2151 if (pkt.flags & PKT_FLAG_KEY &&
2152 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2153 c->stream->nb_streams == 1))
2154 c->got_key_frame = 1;
2155 if (!c->stream->send_on_key || c->got_key_frame)
2160 AVCodecContext *codec;
2163 /* specific handling for RTP: we use several
2164 output stream (one for each RTP
2165 connection). XXX: need more abstract handling */
2166 if (c->is_packetized) {
2168 /* compute send time and duration */
2169 st = c->fmt_in->streams[pkt.stream_index];
2170 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2171 if (st->start_time != AV_NOPTS_VALUE)
2172 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2173 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2175 printf("index=%d pts=%0.3f duration=%0.6f\n",
2177 (double)c->cur_pts /
2179 (double)c->cur_frame_duration /
2182 /* find RTP context */
2183 c->packet_stream_index = pkt.stream_index;
2184 ctx = c->rtp_ctx[c->packet_stream_index];
2186 av_free_packet(&pkt);
2189 codec = ctx->streams[0]->codec;
2190 /* only one stream per RTP connection */
2191 pkt.stream_index = 0;
2195 codec = ctx->streams[pkt.stream_index]->codec;
2198 if (c->is_packetized) {
2199 int max_packet_size;
2200 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2201 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2203 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2204 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2206 ret = url_open_dyn_buf(&ctx->pb);
2209 /* XXX: potential leak */
2212 c->fmt_ctx.pb->is_streamed = 1;
2213 if (pkt.dts != AV_NOPTS_VALUE)
2214 pkt.dts = av_rescale_q(pkt.dts,
2215 c->fmt_in->streams[source_index]->time_base,
2216 ctx->streams[pkt.stream_index]->time_base);
2217 if (pkt.pts != AV_NOPTS_VALUE)
2218 pkt.pts = av_rescale_q(pkt.pts,
2219 c->fmt_in->streams[source_index]->time_base,
2220 ctx->streams[pkt.stream_index]->time_base);
2221 pkt.duration = av_rescale_q(pkt.duration,
2222 c->fmt_in->streams[source_index]->time_base,
2223 ctx->streams[pkt.stream_index]->time_base);
2224 if (av_write_frame(ctx, &pkt) < 0) {
2225 http_log("Error writing frame to output\n");
2226 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2229 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2230 c->cur_frame_bytes = len;
2231 c->buffer_ptr = c->pb_buffer;
2232 c->buffer_end = c->pb_buffer + len;
2234 codec->frame_number++;
2236 av_free_packet(&pkt);
2240 av_free_packet(&pkt);
2245 case HTTPSTATE_SEND_DATA_TRAILER:
2246 /* last packet test ? */
2247 if (c->last_packet_sent || c->is_packetized)
2250 /* prepare header */
2251 if (url_open_dyn_buf(&ctx->pb) < 0) {
2252 /* XXX: potential leak */
2255 c->fmt_ctx.pb->is_streamed = 1;
2256 av_write_trailer(ctx);
2257 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2258 c->buffer_ptr = c->pb_buffer;
2259 c->buffer_end = c->pb_buffer + len;
2261 c->last_packet_sent = 1;
2267 /* should convert the format at the same time */
2268 /* send data starting at c->buffer_ptr to the output connection
2269 (either UDP or TCP connection) */
2270 static int http_send_data(HTTPContext *c)
2275 if (c->buffer_ptr >= c->buffer_end) {
2276 ret = http_prepare_data(c);
2280 /* state change requested */
2283 if (c->is_packetized) {
2284 /* RTP data output */
2285 len = c->buffer_end - c->buffer_ptr;
2287 /* fail safe - should never happen */
2289 c->buffer_ptr = c->buffer_end;
2292 len = (c->buffer_ptr[0] << 24) |
2293 (c->buffer_ptr[1] << 16) |
2294 (c->buffer_ptr[2] << 8) |
2296 if (len > (c->buffer_end - c->buffer_ptr))
2298 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2299 /* nothing to send yet: we can wait */
2303 c->data_count += len;
2304 update_datarate(&c->datarate, c->data_count);
2306 c->stream->bytes_served += len;
2308 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2309 /* RTP packets are sent inside the RTSP TCP connection */
2311 int interleaved_index, size;
2313 HTTPContext *rtsp_c;
2316 /* if no RTSP connection left, error */
2319 /* if already sending something, then wait. */
2320 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2322 if (url_open_dyn_buf(&pb) < 0)
2324 interleaved_index = c->packet_stream_index * 2;
2325 /* RTCP packets are sent at odd indexes */
2326 if (c->buffer_ptr[1] == 200)
2327 interleaved_index++;
2328 /* write RTSP TCP header */
2330 header[1] = interleaved_index;
2331 header[2] = len >> 8;
2333 put_buffer(pb, header, 4);
2334 /* write RTP packet data */
2336 put_buffer(pb, c->buffer_ptr, len);
2337 size = url_close_dyn_buf(pb, &c->packet_buffer);
2338 /* prepare asynchronous TCP sending */
2339 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2340 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2341 c->buffer_ptr += len;
2343 /* send everything we can NOW */
2344 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2345 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2347 rtsp_c->packet_buffer_ptr += len;
2348 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2349 /* if we could not send all the data, we will
2350 send it later, so a new state is needed to
2351 "lock" the RTSP TCP connection */
2352 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2355 /* all data has been sent */
2356 av_freep(&c->packet_buffer);
2358 /* send RTP packet directly in UDP */
2360 url_write(c->rtp_handles[c->packet_stream_index],
2361 c->buffer_ptr, len);
2362 c->buffer_ptr += len;
2363 /* here we continue as we can send several packets per 10 ms slot */
2366 /* TCP data output */
2367 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2369 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2370 ff_neterrno() != FF_NETERROR(EINTR))
2371 /* error : close connection */
2376 c->buffer_ptr += len;
2378 c->data_count += len;
2379 update_datarate(&c->datarate, c->data_count);
2381 c->stream->bytes_served += len;
2389 static int http_start_receive_data(HTTPContext *c)
2393 if (c->stream->feed_opened)
2396 /* Don't permit writing to this one */
2397 if (c->stream->readonly)
2401 fd = open(c->stream->feed_filename, O_RDWR);
2403 http_log("Error opening feeder file: %s\n", strerror(errno));
2408 c->stream->feed_write_index = ffm_read_write_index(fd);
2409 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2410 lseek(fd, 0, SEEK_SET);
2412 /* init buffer input */
2413 c->buffer_ptr = c->buffer;
2414 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2415 c->stream->feed_opened = 1;
2419 static int http_receive_data(HTTPContext *c)
2423 if (c->buffer_end > c->buffer_ptr) {
2426 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2428 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2429 ff_neterrno() != FF_NETERROR(EINTR))
2430 /* error : close connection */
2432 } else if (len == 0)
2433 /* end of connection : close it */
2436 c->buffer_ptr += len;
2437 c->data_count += len;
2438 update_datarate(&c->datarate, c->data_count);
2442 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2443 if (c->buffer[0] != 'f' ||
2444 c->buffer[1] != 'm') {
2445 http_log("Feed stream has become desynchronized -- disconnecting\n");
2450 if (c->buffer_ptr >= c->buffer_end) {
2451 FFStream *feed = c->stream;
2452 /* a packet has been received : write it in the store, except
2454 if (c->data_count > FFM_PACKET_SIZE) {
2456 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2457 /* XXX: use llseek or url_seek */
2458 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2459 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2460 http_log("Error writing to feed file: %s\n", strerror(errno));
2464 feed->feed_write_index += FFM_PACKET_SIZE;
2465 /* update file size */
2466 if (feed->feed_write_index > c->stream->feed_size)
2467 feed->feed_size = feed->feed_write_index;
2469 /* handle wrap around if max file size reached */
2470 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2471 feed->feed_write_index = FFM_PACKET_SIZE;
2474 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2476 /* wake up any waiting connections */
2477 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2478 if (c1->state == HTTPSTATE_WAIT_FEED &&
2479 c1->stream->feed == c->stream->feed)
2480 c1->state = HTTPSTATE_SEND_DATA;
2483 /* We have a header in our hands that contains useful data */
2484 AVFormatContext *s = NULL;
2486 AVInputFormat *fmt_in;
2489 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2490 pb->is_streamed = 1;
2492 /* use feed output format name to find corresponding input format */
2493 fmt_in = av_find_input_format(feed->fmt->name);
2497 av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL);
2499 /* Now we have the actual streams */
2500 if (s->nb_streams != feed->nb_streams) {
2501 av_close_input_stream(s);
2506 for (i = 0; i < s->nb_streams; i++)
2507 memcpy(feed->streams[i]->codec,
2508 s->streams[i]->codec, sizeof(AVCodecContext));
2510 av_close_input_stream(s);
2513 c->buffer_ptr = c->buffer;
2518 c->stream->feed_opened = 0;
2520 /* wake up any waiting connections to stop waiting for feed */
2521 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2522 if (c1->state == HTTPSTATE_WAIT_FEED &&
2523 c1->stream->feed == c->stream->feed)
2524 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2529 /********************************************************************/
2532 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2539 switch(error_number) {
2540 case RTSP_STATUS_OK:
2543 case RTSP_STATUS_METHOD:
2544 str = "Method Not Allowed";
2546 case RTSP_STATUS_BANDWIDTH:
2547 str = "Not Enough Bandwidth";
2549 case RTSP_STATUS_SESSION:
2550 str = "Session Not Found";
2552 case RTSP_STATUS_STATE:
2553 str = "Method Not Valid in This State";
2555 case RTSP_STATUS_AGGREGATE:
2556 str = "Aggregate operation not allowed";
2558 case RTSP_STATUS_ONLY_AGGREGATE:
2559 str = "Only aggregate operation allowed";
2561 case RTSP_STATUS_TRANSPORT:
2562 str = "Unsupported transport";
2564 case RTSP_STATUS_INTERNAL:
2565 str = "Internal Server Error";
2567 case RTSP_STATUS_SERVICE:
2568 str = "Service Unavailable";
2570 case RTSP_STATUS_VERSION:
2571 str = "RTSP Version not supported";
2574 str = "Unknown Error";
2578 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2579 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2581 /* output GMT time */
2585 p = buf2 + strlen(p) - 1;
2588 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2591 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2593 rtsp_reply_header(c, error_number);
2594 url_fprintf(c->pb, "\r\n");
2597 static int rtsp_parse_request(HTTPContext *c)
2599 const char *p, *p1, *p2;
2605 RTSPHeader header1, *header = &header1;
2607 c->buffer_ptr[0] = '\0';
2610 get_word(cmd, sizeof(cmd), &p);
2611 get_word(url, sizeof(url), &p);
2612 get_word(protocol, sizeof(protocol), &p);
2614 av_strlcpy(c->method, cmd, sizeof(c->method));
2615 av_strlcpy(c->url, url, sizeof(c->url));
2616 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2618 if (url_open_dyn_buf(&c->pb) < 0) {
2619 /* XXX: cannot do more */
2620 c->pb = NULL; /* safety */
2624 /* check version name */
2625 if (strcmp(protocol, "RTSP/1.0") != 0) {
2626 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2630 /* parse each header line */
2631 memset(header, 0, sizeof(RTSPHeader));
2632 /* skip to next line */
2633 while (*p != '\n' && *p != '\0')
2637 while (*p != '\0') {
2638 p1 = strchr(p, '\n');
2642 if (p2 > p && p2[-1] == '\r')
2644 /* skip empty line */
2648 if (len > sizeof(line) - 1)
2649 len = sizeof(line) - 1;
2650 memcpy(line, p, len);
2652 rtsp_parse_line(header, line);
2656 /* handle sequence number */
2657 c->seq = header->seq;
2659 if (!strcmp(cmd, "DESCRIBE"))
2660 rtsp_cmd_describe(c, url);
2661 else if (!strcmp(cmd, "OPTIONS"))
2662 rtsp_cmd_options(c, url);
2663 else if (!strcmp(cmd, "SETUP"))
2664 rtsp_cmd_setup(c, url, header);
2665 else if (!strcmp(cmd, "PLAY"))
2666 rtsp_cmd_play(c, url, header);
2667 else if (!strcmp(cmd, "PAUSE"))
2668 rtsp_cmd_pause(c, url, header);
2669 else if (!strcmp(cmd, "TEARDOWN"))
2670 rtsp_cmd_teardown(c, url, header);
2672 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2675 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2676 c->pb = NULL; /* safety */
2678 /* XXX: cannot do more */
2681 c->buffer_ptr = c->pb_buffer;
2682 c->buffer_end = c->pb_buffer + len;
2683 c->state = RTSPSTATE_SEND_REPLY;
2687 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2688 struct in_addr my_ip)
2690 AVFormatContext *avc;
2691 AVStream avs[MAX_STREAMS];
2694 avc = av_alloc_format_context();
2698 if (stream->title[0] != 0) {
2699 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2701 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2703 avc->nb_streams = stream->nb_streams;
2704 if (stream->is_multicast) {
2705 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2706 inet_ntoa(stream->multicast_ip),
2707 stream->multicast_port, stream->multicast_ttl);
2710 for(i = 0; i < stream->nb_streams; i++) {
2711 avc->streams[i] = &avs[i];
2712 avc->streams[i]->codec = stream->streams[i]->codec;
2714 *pbuffer = av_mallocz(2048);
2715 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2718 return strlen(*pbuffer);
2721 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2723 // rtsp_reply_header(c, RTSP_STATUS_OK);
2724 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2725 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2726 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2727 url_fprintf(c->pb, "\r\n");
2730 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2736 int content_length, len;
2737 struct sockaddr_in my_addr;
2739 /* find which url is asked */
2740 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2745 for(stream = first_stream; stream != NULL; stream = stream->next) {
2746 if (!stream->is_feed &&
2747 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2748 !strcmp(path, stream->filename)) {
2752 /* no stream found */
2753 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2757 /* prepare the media description in sdp format */
2759 /* get the host IP */
2760 len = sizeof(my_addr);
2761 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2762 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2763 if (content_length < 0) {
2764 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2767 rtsp_reply_header(c, RTSP_STATUS_OK);
2768 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2769 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2770 url_fprintf(c->pb, "\r\n");
2771 put_buffer(c->pb, content, content_length);
2774 static HTTPContext *find_rtp_session(const char *session_id)
2778 if (session_id[0] == '\0')
2781 for(c = first_http_ctx; c != NULL; c = c->next) {
2782 if (!strcmp(c->session_id, session_id))
2788 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2790 RTSPTransportField *th;
2793 for(i=0;i<h->nb_transports;i++) {
2794 th = &h->transports[i];
2795 if (th->protocol == protocol)
2801 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2805 int stream_index, port;
2810 RTSPTransportField *th;
2811 struct sockaddr_in dest_addr;
2812 RTSPActionServerSetup setup;
2814 /* find which url is asked */
2815 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2820 /* now check each stream */
2821 for(stream = first_stream; stream != NULL; stream = stream->next) {
2822 if (!stream->is_feed &&
2823 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2824 /* accept aggregate filenames only if single stream */
2825 if (!strcmp(path, stream->filename)) {
2826 if (stream->nb_streams != 1) {
2827 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2834 for(stream_index = 0; stream_index < stream->nb_streams;
2836 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2837 stream->filename, stream_index);
2838 if (!strcmp(path, buf))
2843 /* no stream found */
2844 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2848 /* generate session id if needed */
2849 if (h->session_id[0] == '\0')
2850 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2851 av_random(&random_state), av_random(&random_state));
2853 /* find rtp session, and create it if none found */
2854 rtp_c = find_rtp_session(h->session_id);
2856 /* always prefer UDP */
2857 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2859 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2861 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2866 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2869 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2873 /* open input stream */
2874 if (open_input_stream(rtp_c, "") < 0) {
2875 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2880 /* test if stream is OK (test needed because several SETUP needs
2881 to be done for a given file) */
2882 if (rtp_c->stream != stream) {
2883 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2887 /* test if stream is already set up */
2888 if (rtp_c->rtp_ctx[stream_index]) {
2889 rtsp_reply_error(c, RTSP_STATUS_STATE);
2893 /* check transport */
2894 th = find_transport(h, rtp_c->rtp_protocol);
2895 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2896 th->client_port_min <= 0)) {
2897 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2901 /* setup default options */
2902 setup.transport_option[0] = '\0';
2903 dest_addr = rtp_c->from_addr;
2904 dest_addr.sin_port = htons(th->client_port_min);
2907 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2908 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2912 /* now everything is OK, so we can send the connection parameters */
2913 rtsp_reply_header(c, RTSP_STATUS_OK);
2915 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2917 switch(rtp_c->rtp_protocol) {
2918 case RTSP_PROTOCOL_RTP_UDP:
2919 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2920 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2921 "client_port=%d-%d;server_port=%d-%d",
2922 th->client_port_min, th->client_port_min + 1,
2925 case RTSP_PROTOCOL_RTP_TCP:
2926 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2927 stream_index * 2, stream_index * 2 + 1);
2932 if (setup.transport_option[0] != '\0')
2933 url_fprintf(c->pb, ";%s", setup.transport_option);
2934 url_fprintf(c->pb, "\r\n");
2937 url_fprintf(c->pb, "\r\n");
2941 /* find an rtp connection by using the session ID. Check consistency
2943 static HTTPContext *find_rtp_session_with_url(const char *url,
2944 const char *session_id)
2952 rtp_c = find_rtp_session(session_id);
2956 /* find which url is asked */
2957 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2961 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2962 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2963 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2964 rtp_c->stream->filename, s);
2965 if(!strncmp(path, buf, sizeof(buf))) {
2966 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2973 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2977 rtp_c = find_rtp_session_with_url(url, h->session_id);
2979 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2983 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2984 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2985 rtp_c->state != HTTPSTATE_READY) {
2986 rtsp_reply_error(c, RTSP_STATUS_STATE);
2991 /* XXX: seek in stream */
2992 if (h->range_start != AV_NOPTS_VALUE) {
2993 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2994 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2998 rtp_c->state = HTTPSTATE_SEND_DATA;
3000 /* now everything is OK, so we can send the connection parameters */
3001 rtsp_reply_header(c, RTSP_STATUS_OK);
3003 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3004 url_fprintf(c->pb, "\r\n");
3007 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3011 rtp_c = find_rtp_session_with_url(url, h->session_id);
3013 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3017 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3018 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3019 rtsp_reply_error(c, RTSP_STATUS_STATE);
3023 rtp_c->state = HTTPSTATE_READY;
3024 rtp_c->first_pts = AV_NOPTS_VALUE;
3025 /* now everything is OK, so we can send the connection parameters */
3026 rtsp_reply_header(c, RTSP_STATUS_OK);
3028 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3029 url_fprintf(c->pb, "\r\n");
3032 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3035 char session_id[32];
3037 rtp_c = find_rtp_session_with_url(url, h->session_id);
3039 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3043 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3045 /* abort the session */
3046 close_connection(rtp_c);
3048 /* now everything is OK, so we can send the connection parameters */
3049 rtsp_reply_header(c, RTSP_STATUS_OK);
3051 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3052 url_fprintf(c->pb, "\r\n");
3056 /********************************************************************/
3059 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3060 FFStream *stream, const char *session_id,
3061 enum RTSPProtocol rtp_protocol)
3063 HTTPContext *c = NULL;
3064 const char *proto_str;
3066 /* XXX: should output a warning page when coming
3067 close to the connection limit */
3068 if (nb_connections >= nb_max_connections)
3071 /* add a new connection */
3072 c = av_mallocz(sizeof(HTTPContext));
3077 c->poll_entry = NULL;
3078 c->from_addr = *from_addr;
3079 c->buffer_size = IOBUFFER_INIT_SIZE;
3080 c->buffer = av_malloc(c->buffer_size);
3085 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3086 c->state = HTTPSTATE_READY;
3087 c->is_packetized = 1;
3088 c->rtp_protocol = rtp_protocol;
3090 /* protocol is shown in statistics */
3091 switch(c->rtp_protocol) {
3092 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3093 proto_str = "MCAST";
3095 case RTSP_PROTOCOL_RTP_UDP:
3098 case RTSP_PROTOCOL_RTP_TCP:
3105 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3106 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3108 current_bandwidth += stream->bandwidth;
3110 c->next = first_http_ctx;
3122 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3123 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3125 static int rtp_new_av_stream(HTTPContext *c,
3126 int stream_index, struct sockaddr_in *dest_addr,
3127 HTTPContext *rtsp_c)
3129 AVFormatContext *ctx;
3132 URLContext *h = NULL;
3135 int max_packet_size;
3137 /* now we can open the relevant output stream */
3138 ctx = av_alloc_format_context();
3141 ctx->oformat = guess_format("rtp", NULL, NULL);
3143 st = av_mallocz(sizeof(AVStream));
3146 st->codec= avcodec_alloc_context();
3147 ctx->nb_streams = 1;
3148 ctx->streams[0] = st;
3150 if (!c->stream->feed ||
3151 c->stream->feed == c->stream)
3152 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3155 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3157 st->priv_data = NULL;
3159 /* build destination RTP address */
3160 ipaddr = inet_ntoa(dest_addr->sin_addr);
3162 switch(c->rtp_protocol) {
3163 case RTSP_PROTOCOL_RTP_UDP:
3164 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3167 /* XXX: also pass as parameter to function ? */
3168 if (c->stream->is_multicast) {
3170 ttl = c->stream->multicast_ttl;
3173 snprintf(ctx->filename, sizeof(ctx->filename),
3174 "rtp://%s:%d?multicast=1&ttl=%d",
3175 ipaddr, ntohs(dest_addr->sin_port), ttl);
3177 snprintf(ctx->filename, sizeof(ctx->filename),
3178 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3181 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3183 c->rtp_handles[stream_index] = h;
3184 max_packet_size = url_get_max_packet_size(h);
3186 case RTSP_PROTOCOL_RTP_TCP:
3189 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3195 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3196 ipaddr, ntohs(dest_addr->sin_port),
3198 c->stream->filename, stream_index, c->protocol);
3200 /* normally, no packets should be output here, but the packet size may be checked */
3201 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3202 /* XXX: close stream */
3205 av_set_parameters(ctx, NULL);
3206 if (av_write_header(ctx) < 0) {
3213 url_close_dyn_buf(ctx->pb, &dummy_buf);
3216 c->rtp_ctx[stream_index] = ctx;
3220 /********************************************************************/
3221 /* ffserver initialization */
3223 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3227 fst = av_mallocz(sizeof(AVStream));
3230 fst->codec= avcodec_alloc_context();
3231 fst->priv_data = av_mallocz(sizeof(FeedData));
3232 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3233 fst->index = stream->nb_streams;
3234 av_set_pts_info(fst, 33, 1, 90000);
3235 stream->streams[stream->nb_streams++] = fst;
3239 /* return the stream number in the feed */
3240 static int add_av_stream(FFStream *feed, AVStream *st)
3243 AVCodecContext *av, *av1;
3247 for(i=0;i<feed->nb_streams;i++) {
3248 st = feed->streams[i];
3250 if (av1->codec_id == av->codec_id &&
3251 av1->codec_type == av->codec_type &&
3252 av1->bit_rate == av->bit_rate) {
3254 switch(av->codec_type) {
3255 case CODEC_TYPE_AUDIO:
3256 if (av1->channels == av->channels &&
3257 av1->sample_rate == av->sample_rate)
3260 case CODEC_TYPE_VIDEO:
3261 if (av1->width == av->width &&
3262 av1->height == av->height &&
3263 av1->time_base.den == av->time_base.den &&
3264 av1->time_base.num == av->time_base.num &&
3265 av1->gop_size == av->gop_size)
3274 fst = add_av_stream1(feed, av);
3277 return feed->nb_streams - 1;
3282 static void remove_stream(FFStream *stream)
3286 while (*ps != NULL) {
3294 /* specific mpeg4 handling : we extract the raw parameters */
3295 static void extract_mpeg4_header(AVFormatContext *infile)
3297 int mpeg4_count, i, size;
3303 for(i=0;i<infile->nb_streams;i++) {
3304 st = infile->streams[i];
3305 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3306 st->codec->extradata_size == 0) {
3313 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3314 while (mpeg4_count > 0) {
3315 if (av_read_packet(infile, &pkt) < 0)
3317 st = infile->streams[pkt.stream_index];
3318 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3319 st->codec->extradata_size == 0) {
3320 av_freep(&st->codec->extradata);
3321 /* fill extradata with the header */
3322 /* XXX: we make hard suppositions here ! */
3324 while (p < pkt.data + pkt.size - 4) {
3325 /* stop when vop header is found */
3326 if (p[0] == 0x00 && p[1] == 0x00 &&
3327 p[2] == 0x01 && p[3] == 0xb6) {
3328 size = p - pkt.data;
3329 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3330 st->codec->extradata = av_malloc(size);
3331 st->codec->extradata_size = size;
3332 memcpy(st->codec->extradata, pkt.data, size);
3339 av_free_packet(&pkt);
3343 /* compute the needed AVStream for each file */
3344 static void build_file_streams(void)
3346 FFStream *stream, *stream_next;
3347 AVFormatContext *infile;
3350 /* gather all streams */
3351 for(stream = first_stream; stream != NULL; stream = stream_next) {
3352 stream_next = stream->next;
3353 if (stream->stream_type == STREAM_TYPE_LIVE &&
3355 /* the stream comes from a file */
3356 /* try to open the file */
3358 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3359 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3360 /* specific case : if transport stream output to RTP,
3361 we use a raw transport stream reader */
3362 stream->ap_in->mpeg2ts_raw = 1;
3363 stream->ap_in->mpeg2ts_compute_pcr = 1;
3366 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3367 stream->ifmt, 0, stream->ap_in)) < 0) {
3368 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3369 /* remove stream (no need to spend more time on it) */
3371 remove_stream(stream);
3373 /* find all the AVStreams inside and reference them in
3375 if (av_find_stream_info(infile) < 0) {
3376 http_log("Could not find codec parameters from '%s'\n",
3377 stream->feed_filename);
3378 av_close_input_file(infile);
3381 extract_mpeg4_header(infile);
3383 for(i=0;i<infile->nb_streams;i++)
3384 add_av_stream1(stream, infile->streams[i]->codec);
3386 av_close_input_file(infile);
3392 /* compute the needed AVStream for each feed */
3393 static void build_feed_streams(void)
3395 FFStream *stream, *feed;
3398 /* gather all streams */
3399 for(stream = first_stream; stream != NULL; stream = stream->next) {
3400 feed = stream->feed;
3402 if (!stream->is_feed) {
3403 /* we handle a stream coming from a feed */
3404 for(i=0;i<stream->nb_streams;i++)
3405 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3410 /* gather all streams */
3411 for(stream = first_stream; stream != NULL; stream = stream->next) {
3412 feed = stream->feed;
3414 if (stream->is_feed) {
3415 for(i=0;i<stream->nb_streams;i++)
3416 stream->feed_streams[i] = i;
3421 /* create feed files if needed */
3422 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3425 if (url_exist(feed->feed_filename)) {
3426 /* See if it matches */
3430 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3431 /* Now see if it matches */
3432 if (s->nb_streams == feed->nb_streams) {
3434 for(i=0;i<s->nb_streams;i++) {
3436 sf = feed->streams[i];
3439 if (sf->index != ss->index ||
3441 printf("Index & Id do not match for stream %d (%s)\n",
3442 i, feed->feed_filename);
3445 AVCodecContext *ccf, *ccs;
3449 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3451 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3452 printf("Codecs do not match for stream %d\n", i);
3454 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3455 printf("Codec bitrates do not match for stream %d\n", i);
3457 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3458 if (CHECK_CODEC(time_base.den) ||
3459 CHECK_CODEC(time_base.num) ||
3460 CHECK_CODEC(width) ||
3461 CHECK_CODEC(height)) {
3462 printf("Codec width, height and framerate do not match for stream %d\n", i);
3465 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3466 if (CHECK_CODEC(sample_rate) ||
3467 CHECK_CODEC(channels) ||
3468 CHECK_CODEC(frame_size)) {
3469 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3473 printf("Unknown codec type\n");
3481 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3482 feed->feed_filename, s->nb_streams, feed->nb_streams);
3484 av_close_input_file(s);
3486 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3487 feed->feed_filename);
3490 if (feed->readonly) {
3491 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3492 feed->feed_filename);
3495 unlink(feed->feed_filename);
3498 if (!url_exist(feed->feed_filename)) {
3499 AVFormatContext s1, *s = &s1;
3501 if (feed->readonly) {
3502 printf("Unable to create feed file '%s' as it is marked readonly\n",
3503 feed->feed_filename);
3507 /* only write the header of the ffm file */
3508 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3509 http_log("Could not open output feed file '%s'\n",
3510 feed->feed_filename);
3513 s->oformat = feed->fmt;
3514 s->nb_streams = feed->nb_streams;
3515 for(i=0;i<s->nb_streams;i++) {
3517 st = feed->streams[i];
3520 av_set_parameters(s, NULL);
3521 if (av_write_header(s) < 0) {
3522 http_log("Container doesn't supports the required parameters\n");
3525 /* XXX: need better api */
3526 av_freep(&s->priv_data);
3529 /* get feed size and write index */
3530 fd = open(feed->feed_filename, O_RDONLY);
3532 http_log("Could not open output feed file '%s'\n",
3533 feed->feed_filename);
3537 feed->feed_write_index = ffm_read_write_index(fd);
3538 feed->feed_size = lseek(fd, 0, SEEK_END);
3539 /* ensure that we do not wrap before the end of file */
3540 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3541 feed->feed_max_size = feed->feed_size;
3547 /* compute the bandwidth used by each stream */
3548 static void compute_bandwidth(void)
3554 for(stream = first_stream; stream != NULL; stream = stream->next) {
3556 for(i=0;i<stream->nb_streams;i++) {
3557 AVStream *st = stream->streams[i];
3558 switch(st->codec->codec_type) {
3559 case CODEC_TYPE_AUDIO:
3560 case CODEC_TYPE_VIDEO:
3561 bandwidth += st->codec->bit_rate;
3567 stream->bandwidth = (bandwidth + 999) / 1000;
3571 static void get_arg(char *buf, int buf_size, const char **pp)
3578 while (isspace(*p)) p++;
3581 if (*p == '\"' || *p == '\'')
3593 if ((q - buf) < buf_size - 1)
3598 if (quote && *p == quote)
3603 /* add a codec and set the default parameters */
3604 static void add_codec(FFStream *stream, AVCodecContext *av)
3608 /* compute default parameters */
3609 switch(av->codec_type) {
3610 case CODEC_TYPE_AUDIO:
3611 if (av->bit_rate == 0)
3612 av->bit_rate = 64000;
3613 if (av->sample_rate == 0)
3614 av->sample_rate = 22050;
3615 if (av->channels == 0)
3618 case CODEC_TYPE_VIDEO:
3619 if (av->bit_rate == 0)
3620 av->bit_rate = 64000;
3621 if (av->time_base.num == 0){
3622 av->time_base.den = 5;
3623 av->time_base.num = 1;
3625 if (av->width == 0 || av->height == 0) {
3629 /* Bitrate tolerance is less for streaming */
3630 if (av->bit_rate_tolerance == 0)
3631 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3632 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3637 if (av->max_qdiff == 0)
3639 av->qcompress = 0.5;
3642 if (!av->nsse_weight)
3643 av->nsse_weight = 8;
3645 av->frame_skip_cmp = FF_CMP_DCTMAX;
3646 av->me_method = ME_EPZS;
3647 av->rc_buffer_aggressivity = 1.0;
3650 av->rc_eq = "tex^qComp";
3651 if (!av->i_quant_factor)
3652 av->i_quant_factor = -0.8;
3653 if (!av->b_quant_factor)
3654 av->b_quant_factor = 1.25;
3655 if (!av->b_quant_offset)
3656 av->b_quant_offset = 1.25;
3657 if (!av->rc_max_rate)
3658 av->rc_max_rate = av->bit_rate * 2;
3660 if (av->rc_max_rate && !av->rc_buffer_size) {
3661 av->rc_buffer_size = av->rc_max_rate;
3670 st = av_mallocz(sizeof(AVStream));
3673 st->codec = avcodec_alloc_context();
3674 stream->streams[stream->nb_streams++] = st;
3675 memcpy(st->codec, av, sizeof(AVCodecContext));
3678 static int opt_audio_codec(const char *arg)
3680 AVCodec *p= avcodec_find_encoder_by_name(arg);
3682 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3683 return CODEC_ID_NONE;
3688 static int opt_video_codec(const char *arg)
3690 AVCodec *p= avcodec_find_encoder_by_name(arg);
3692 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3693 return CODEC_ID_NONE;
3698 /* simplistic plugin support */
3701 static void load_module(const char *filename)
3704 void (*init_func)(void);
3705 dll = dlopen(filename, RTLD_NOW);
3707 fprintf(stderr, "Could not load module '%s' - %s\n",
3708 filename, dlerror());
3712 init_func = dlsym(dll, "ffserver_module_init");
3715 "%s: init function 'ffserver_module_init()' not found\n",
3724 static int opt_default(const char *opt, const char *arg,
3725 AVCodecContext *avctx, int type)
3727 const AVOption *o = NULL;
3728 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3730 o = av_set_string(avctx, opt, arg);
3736 static int parse_ffconfig(const char *filename)
3743 int val, errors, line_num;
3744 FFStream **last_stream, *stream, *redirect;
3745 FFStream **last_feed, *feed;
3746 AVCodecContext audio_enc, video_enc;
3747 int audio_id, video_id;
3749 f = fopen(filename, "r");
3757 first_stream = NULL;
3758 last_stream = &first_stream;
3760 last_feed = &first_feed;
3764 audio_id = CODEC_ID_NONE;
3765 video_id = CODEC_ID_NONE;
3767 if (fgets(line, sizeof(line), f) == NULL)
3773 if (*p == '\0' || *p == '#')
3776 get_arg(cmd, sizeof(cmd), &p);
3778 if (!strcasecmp(cmd, "Port")) {
3779 get_arg(arg, sizeof(arg), &p);
3781 if (val < 1 || val > 65536) {
3782 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3783 filename, line_num, arg);
3786 my_http_addr.sin_port = htons(val);
3787 } else if (!strcasecmp(cmd, "BindAddress")) {
3788 get_arg(arg, sizeof(arg), &p);
3789 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3790 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3791 filename, line_num, arg);
3794 } else if (!strcasecmp(cmd, "NoDaemon")) {
3795 ffserver_daemon = 0;
3796 } else if (!strcasecmp(cmd, "RTSPPort")) {
3797 get_arg(arg, sizeof(arg), &p);
3799 if (val < 1 || val > 65536) {
3800 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3801 filename, line_num, arg);
3804 my_rtsp_addr.sin_port = htons(atoi(arg));
3805 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3806 get_arg(arg, sizeof(arg), &p);
3807 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3808 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3809 filename, line_num, arg);
3812 } else if (!strcasecmp(cmd, "MaxClients")) {
3813 get_arg(arg, sizeof(arg), &p);
3815 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3816 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3817 filename, line_num, arg);
3820 nb_max_connections = val;
3822 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3824 get_arg(arg, sizeof(arg), &p);
3826 if (llval < 10 || llval > 10000000) {
3827 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3828 filename, line_num, arg);
3831 max_bandwidth = llval;
3832 } else if (!strcasecmp(cmd, "CustomLog")) {
3833 if (!ffserver_debug)
3834 get_arg(logfilename, sizeof(logfilename), &p);
3835 } else if (!strcasecmp(cmd, "<Feed")) {
3836 /*********************************************/
3837 /* Feed related options */
3839 if (stream || feed) {
3840 fprintf(stderr, "%s:%d: Already in a tag\n",
3841 filename, line_num);
3843 feed = av_mallocz(sizeof(FFStream));
3844 /* add in stream list */
3845 *last_stream = feed;
3846 last_stream = &feed->next;
3847 /* add in feed list */
3849 last_feed = &feed->next_feed;
3851 get_arg(feed->filename, sizeof(feed->filename), &p);
3852 q = strrchr(feed->filename, '>');
3855 feed->fmt = guess_format("ffm", NULL, NULL);
3856 /* defaut feed file */
3857 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3858 "/tmp/%s.ffm", feed->filename);
3859 feed->feed_max_size = 5 * 1024 * 1024;
3861 feed->feed = feed; /* self feeding :-) */
3863 } else if (!strcasecmp(cmd, "Launch")) {
3867 feed->child_argv = av_mallocz(64 * sizeof(char *));
3869 for (i = 0; i < 62; i++) {
3870 get_arg(arg, sizeof(arg), &p);
3874 feed->child_argv[i] = av_strdup(arg);
3877 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3879 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3881 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3882 inet_ntoa(my_http_addr.sin_addr),
3883 ntohs(my_http_addr.sin_port), feed->filename);
3888 fprintf(stdout, "Launch commandline: ");
3889 for (j = 0; j <= i; j++)
3890 fprintf(stdout, "%s ", feed->child_argv[j]);
3891 fprintf(stdout, "\n");
3894 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3896 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3898 } else if (stream) {
3899 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3901 } else if (!strcasecmp(cmd, "File")) {
3903 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3905 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3906 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3911 get_arg(arg, sizeof(arg), &p);
3913 fsize = strtod(p1, &p1);
3914 switch(toupper(*p1)) {
3919 fsize *= 1024 * 1024;
3922 fsize *= 1024 * 1024 * 1024;
3925 feed->feed_max_size = (int64_t)fsize;
3927 } else if (!strcasecmp(cmd, "</Feed>")) {
3929 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3930 filename, line_num);
3934 } else if (!strcasecmp(cmd, "<Stream")) {
3935 /*********************************************/
3936 /* Stream related options */
3938 if (stream || feed) {
3939 fprintf(stderr, "%s:%d: Already in a tag\n",
3940 filename, line_num);
3942 const AVClass *class;
3943 stream = av_mallocz(sizeof(FFStream));
3944 *last_stream = stream;
3945 last_stream = &stream->next;
3947 get_arg(stream->filename, sizeof(stream->filename), &p);
3948 q = strrchr(stream->filename, '>');
3951 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3952 /* fetch avclass so AVOption works
3953 * FIXME try to use avcodec_get_context_defaults2
3954 * without changing defaults too much */
3955 avcodec_get_context_defaults(&video_enc);
3956 class = video_enc.av_class;
3957 memset(&audio_enc, 0, sizeof(AVCodecContext));
3958 memset(&video_enc, 0, sizeof(AVCodecContext));
3959 audio_enc.av_class = class;
3960 video_enc.av_class = class;
3961 audio_id = CODEC_ID_NONE;
3962 video_id = CODEC_ID_NONE;
3964 audio_id = stream->fmt->audio_codec;
3965 video_id = stream->fmt->video_codec;
3968 } else if (!strcasecmp(cmd, "Feed")) {
3969 get_arg(arg, sizeof(arg), &p);
3974 while (sfeed != NULL) {
3975 if (!strcmp(sfeed->filename, arg))
3977 sfeed = sfeed->next_feed;
3980 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3981 filename, line_num, arg);
3983 stream->feed = sfeed;
3985 } else if (!strcasecmp(cmd, "Format")) {
3986 get_arg(arg, sizeof(arg), &p);
3988 if (!strcmp(arg, "status")) {
3989 stream->stream_type = STREAM_TYPE_STATUS;
3992 stream->stream_type = STREAM_TYPE_LIVE;
3993 /* jpeg cannot be used here, so use single frame jpeg */
3994 if (!strcmp(arg, "jpeg"))
3995 strcpy(arg, "mjpeg");
3996 stream->fmt = guess_stream_format(arg, NULL, NULL);
3998 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
3999 filename, line_num, arg);
4004 audio_id = stream->fmt->audio_codec;
4005 video_id = stream->fmt->video_codec;
4008 } else if (!strcasecmp(cmd, "InputFormat")) {
4009 get_arg(arg, sizeof(arg), &p);
4010 stream->ifmt = av_find_input_format(arg);
4011 if (!stream->ifmt) {
4012 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4013 filename, line_num, arg);
4015 } else if (!strcasecmp(cmd, "FaviconURL")) {
4016 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4017 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4019 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4020 filename, line_num);
4023 } else if (!strcasecmp(cmd, "Author")) {
4025 get_arg(stream->author, sizeof(stream->author), &p);
4026 } else if (!strcasecmp(cmd, "Comment")) {
4028 get_arg(stream->comment, sizeof(stream->comment), &p);
4029 } else if (!strcasecmp(cmd, "Copyright")) {
4031 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4032 } else if (!strcasecmp(cmd, "Title")) {
4034 get_arg(stream->title, sizeof(stream->title), &p);
4035 } else if (!strcasecmp(cmd, "Preroll")) {
4036 get_arg(arg, sizeof(arg), &p);
4038 stream->prebuffer = atof(arg) * 1000;
4039 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4041 stream->send_on_key = 1;
4042 } else if (!strcasecmp(cmd, "AudioCodec")) {
4043 get_arg(arg, sizeof(arg), &p);
4044 audio_id = opt_audio_codec(arg);
4045 if (audio_id == CODEC_ID_NONE) {
4046 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4047 filename, line_num, arg);
4050 } else if (!strcasecmp(cmd, "VideoCodec")) {
4051 get_arg(arg, sizeof(arg), &p);
4052 video_id = opt_video_codec(arg);
4053 if (video_id == CODEC_ID_NONE) {
4054 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4055 filename, line_num, arg);
4058 } else if (!strcasecmp(cmd, "MaxTime")) {
4059 get_arg(arg, sizeof(arg), &p);
4061 stream->max_time = atof(arg) * 1000;
4062 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4063 get_arg(arg, sizeof(arg), &p);
4065 audio_enc.bit_rate = atoi(arg) * 1000;
4066 } else if (!strcasecmp(cmd, "AudioChannels")) {
4067 get_arg(arg, sizeof(arg), &p);
4069 audio_enc.channels = atoi(arg);
4070 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4071 get_arg(arg, sizeof(arg), &p);
4073 audio_enc.sample_rate = atoi(arg);
4074 } else if (!strcasecmp(cmd, "AudioQuality")) {
4075 get_arg(arg, sizeof(arg), &p);
4077 // audio_enc.quality = atof(arg) * 1000;
4079 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4081 int minrate, maxrate;
4083 get_arg(arg, sizeof(arg), &p);
4085 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4086 video_enc.rc_min_rate = minrate * 1000;
4087 video_enc.rc_max_rate = maxrate * 1000;
4089 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4090 filename, line_num, arg);
4094 } else if (!strcasecmp(cmd, "Debug")) {
4096 get_arg(arg, sizeof(arg), &p);
4097 video_enc.debug = strtol(arg,0,0);
4099 } else if (!strcasecmp(cmd, "Strict")) {
4101 get_arg(arg, sizeof(arg), &p);
4102 video_enc.strict_std_compliance = atoi(arg);
4104 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4106 get_arg(arg, sizeof(arg), &p);
4107 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4109 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4111 get_arg(arg, sizeof(arg), &p);
4112 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4114 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4115 get_arg(arg, sizeof(arg), &p);
4117 video_enc.bit_rate = atoi(arg) * 1000;
4119 } else if (!strcasecmp(cmd, "VideoSize")) {
4120 get_arg(arg, sizeof(arg), &p);
4122 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4123 if ((video_enc.width % 16) != 0 ||
4124 (video_enc.height % 16) != 0) {
4125 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4126 filename, line_num);
4130 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4131 get_arg(arg, sizeof(arg), &p);
4133 AVRational frame_rate;
4134 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4135 fprintf(stderr, "Incorrect frame rate\n");
4138 video_enc.time_base.num = frame_rate.den;
4139 video_enc.time_base.den = frame_rate.num;
4142 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4143 get_arg(arg, sizeof(arg), &p);
4145 video_enc.gop_size = atoi(arg);
4146 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4148 video_enc.gop_size = 1;
4149 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4151 video_enc.mb_decision = FF_MB_DECISION_BITS;
4152 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4154 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4155 video_enc.flags |= CODEC_FLAG_4MV;
4157 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4158 !strcasecmp(cmd, "AVOptionAudio")) {
4160 AVCodecContext *avctx;
4162 get_arg(arg, sizeof(arg), &p);
4163 get_arg(arg2, sizeof(arg2), &p);
4164 if (!strcasecmp(cmd, "AVOptionVideo")) {
4166 type = AV_OPT_FLAG_VIDEO_PARAM;
4169 type = AV_OPT_FLAG_AUDIO_PARAM;
4171 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4172 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4175 } else if (!strcasecmp(cmd, "VideoTag")) {
4176 get_arg(arg, sizeof(arg), &p);
4177 if ((strlen(arg) == 4) && stream)
4178 video_enc.codec_tag = ff_get_fourcc(arg);
4179 } else if (!strcasecmp(cmd, "BitExact")) {
4181 video_enc.flags |= CODEC_FLAG_BITEXACT;
4182 } else if (!strcasecmp(cmd, "DctFastint")) {
4184 video_enc.dct_algo = FF_DCT_FASTINT;
4185 } else if (!strcasecmp(cmd, "IdctSimple")) {
4187 video_enc.idct_algo = FF_IDCT_SIMPLE;
4188 } else if (!strcasecmp(cmd, "Qscale")) {
4189 get_arg(arg, sizeof(arg), &p);
4191 video_enc.flags |= CODEC_FLAG_QSCALE;
4192 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4194 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4195 get_arg(arg, sizeof(arg), &p);
4197 video_enc.max_qdiff = atoi(arg);
4198 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4199 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4200 filename, line_num);
4204 } else if (!strcasecmp(cmd, "VideoQMax")) {
4205 get_arg(arg, sizeof(arg), &p);
4207 video_enc.qmax = atoi(arg);
4208 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4209 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4210 filename, line_num);
4214 } else if (!strcasecmp(cmd, "VideoQMin")) {
4215 get_arg(arg, sizeof(arg), &p);
4217 video_enc.qmin = atoi(arg);
4218 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4219 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4220 filename, line_num);
4224 } else if (!strcasecmp(cmd, "LumaElim")) {
4225 get_arg(arg, sizeof(arg), &p);
4227 video_enc.luma_elim_threshold = atoi(arg);
4228 } else if (!strcasecmp(cmd, "ChromaElim")) {
4229 get_arg(arg, sizeof(arg), &p);
4231 video_enc.chroma_elim_threshold = atoi(arg);
4232 } else if (!strcasecmp(cmd, "LumiMask")) {
4233 get_arg(arg, sizeof(arg), &p);
4235 video_enc.lumi_masking = atof(arg);
4236 } else if (!strcasecmp(cmd, "DarkMask")) {
4237 get_arg(arg, sizeof(arg), &p);
4239 video_enc.dark_masking = atof(arg);
4240 } else if (!strcasecmp(cmd, "NoVideo")) {
4241 video_id = CODEC_ID_NONE;
4242 } else if (!strcasecmp(cmd, "NoAudio")) {
4243 audio_id = CODEC_ID_NONE;
4244 } else if (!strcasecmp(cmd, "ACL")) {
4247 get_arg(arg, sizeof(arg), &p);
4248 if (strcasecmp(arg, "allow") == 0)
4249 acl.action = IP_ALLOW;
4250 else if (strcasecmp(arg, "deny") == 0)
4251 acl.action = IP_DENY;
4253 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4254 filename, line_num, arg);
4258 get_arg(arg, sizeof(arg), &p);
4260 if (resolve_host(&acl.first, arg) != 0) {
4261 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4262 filename, line_num, arg);
4265 acl.last = acl.first;
4267 get_arg(arg, sizeof(arg), &p);
4270 if (resolve_host(&acl.last, arg) != 0) {
4271 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4272 filename, line_num, arg);
4278 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4279 IPAddressACL **naclp = 0;
4285 naclp = &stream->acl;
4289 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4290 filename, line_num);
4296 naclp = &(*naclp)->next;
4301 } else if (!strcasecmp(cmd, "RTSPOption")) {
4302 get_arg(arg, sizeof(arg), &p);
4304 av_freep(&stream->rtsp_option);
4305 stream->rtsp_option = av_strdup(arg);
4307 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4308 get_arg(arg, sizeof(arg), &p);
4310 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4311 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4312 filename, line_num, arg);
4315 stream->is_multicast = 1;
4316 stream->loop = 1; /* default is looping */
4318 } else if (!strcasecmp(cmd, "MulticastPort")) {
4319 get_arg(arg, sizeof(arg), &p);
4321 stream->multicast_port = atoi(arg);
4322 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4323 get_arg(arg, sizeof(arg), &p);
4325 stream->multicast_ttl = atoi(arg);
4326 } else if (!strcasecmp(cmd, "NoLoop")) {
4329 } else if (!strcasecmp(cmd, "</Stream>")) {
4331 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4332 filename, line_num);
4335 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4336 if (audio_id != CODEC_ID_NONE) {
4337 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4338 audio_enc.codec_id = audio_id;
4339 add_codec(stream, &audio_enc);
4341 if (video_id != CODEC_ID_NONE) {
4342 video_enc.codec_type = CODEC_TYPE_VIDEO;
4343 video_enc.codec_id = video_id;
4344 add_codec(stream, &video_enc);
4349 } else if (!strcasecmp(cmd, "<Redirect")) {
4350 /*********************************************/
4352 if (stream || feed || redirect) {
4353 fprintf(stderr, "%s:%d: Already in a tag\n",
4354 filename, line_num);
4357 redirect = av_mallocz(sizeof(FFStream));
4358 *last_stream = redirect;
4359 last_stream = &redirect->next;
4361 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4362 q = strrchr(redirect->filename, '>');
4365 redirect->stream_type = STREAM_TYPE_REDIRECT;
4367 } else if (!strcasecmp(cmd, "URL")) {
4369 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4370 } else if (!strcasecmp(cmd, "</Redirect>")) {
4372 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4373 filename, line_num);
4376 if (!redirect->feed_filename[0]) {
4377 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4378 filename, line_num);
4383 } else if (!strcasecmp(cmd, "LoadModule")) {
4384 get_arg(arg, sizeof(arg), &p);
4388 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4389 filename, line_num, arg);
4393 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4394 filename, line_num, cmd);
4406 static void handle_child_exit(int sig)
4411 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4414 for (feed = first_feed; feed; feed = feed->next) {
4415 if (feed->pid == pid) {
4416 int uptime = time(0) - feed->pid_start;
4419 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4422 /* Turn off any more restarts */
4423 feed->child_argv = 0;
4428 need_to_start_children = 1;
4431 static void opt_debug()
4434 ffserver_daemon = 0;
4435 logfilename[0] = '-';
4438 static void opt_show_help(void)
4440 printf("usage: ffserver [options]\n"
4441 "Hyper fast multi format Audio/Video streaming server\n");
4443 show_help_options(options, "Main options:\n", 0, 0);
4446 static const OptionDef options[] = {
4447 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4448 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4449 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4450 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4451 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4452 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4453 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4457 int main(int argc, char **argv)
4459 struct sigaction sigact;
4465 config_filename = "/etc/ffserver.conf";
4467 my_program_name = argv[0];
4468 my_program_dir = getcwd(0, 0);
4469 ffserver_daemon = 1;
4471 parse_options(argc, argv, options, NULL);
4473 unsetenv("http_proxy"); /* Kill the http_proxy */
4475 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4477 memset(&sigact, 0, sizeof(sigact));
4478 sigact.sa_handler = handle_child_exit;
4479 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4480 sigaction(SIGCHLD, &sigact, 0);
4482 if (parse_ffconfig(config_filename) < 0) {
4483 fprintf(stderr, "Incorrect config file - exiting.\n");
4487 build_file_streams();
4489 build_feed_streams();
4491 compute_bandwidth();
4493 /* put the process in background and detach it from its TTY */
4494 if (ffserver_daemon) {
4501 } else if (pid > 0) {
4509 open("/dev/null", O_RDWR);
4510 if (strcmp(logfilename, "-") != 0) {
4520 signal(SIGPIPE, SIG_IGN);
4522 /* open log file if needed */
4523 if (logfilename[0] != '\0') {
4524 if (!strcmp(logfilename, "-"))
4527 logfile = fopen(logfilename, "a");
4528 av_log_set_callback(http_av_log);
4531 if (http_server() < 0) {
4532 http_log("Could not start server\n");