2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef HAVE_CLOSESOCKET
24 #define closesocket close
28 #include "libavutil/random.h"
29 #include "libavutil/avstring.h"
30 #include "libavformat/avformat.h"
31 #include "libavformat/network.h"
32 #include "libavformat/os_support.h"
33 #include "libavformat/rtp.h"
34 #include "libavformat/rtsp.h"
35 #include "libavcodec/opt.h"
39 #include <sys/ioctl.h>
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
57 const char program_name[] = "FFserver";
58 const int program_birth_year = 2000;
60 static const OptionDef options[];
62 /* maximum number of simultaneous HTTP connections */
63 #define HTTP_MAX_CONNECTIONS 2000
66 HTTPSTATE_WAIT_REQUEST,
67 HTTPSTATE_SEND_HEADER,
68 HTTPSTATE_SEND_DATA_HEADER,
69 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
70 HTTPSTATE_SEND_DATA_TRAILER,
71 HTTPSTATE_RECEIVE_DATA,
72 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
75 RTSPSTATE_WAIT_REQUEST,
77 RTSPSTATE_SEND_PACKET,
80 static const char *http_state[] = {
96 #define IOBUFFER_INIT_SIZE 8192
98 /* timeouts are in ms */
99 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
100 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
102 #define SYNC_TIMEOUT (10 * 1000)
105 int64_t count1, count2;
106 int64_t time1, time2;
109 /* context associated with one connection */
110 typedef struct HTTPContext {
111 enum HTTPState state;
112 int fd; /* socket file descriptor */
113 struct sockaddr_in from_addr; /* origin */
114 struct pollfd *poll_entry; /* used when polling */
116 uint8_t *buffer_ptr, *buffer_end;
119 struct HTTPContext *next;
120 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
124 /* input format handling */
125 AVFormatContext *fmt_in;
126 int64_t start_time; /* In milliseconds - this wraps fairly often */
127 int64_t first_pts; /* initial pts value */
128 int64_t cur_pts; /* current pts value from the stream in us */
129 int64_t cur_frame_duration; /* duration of the current frame in us */
130 int cur_frame_bytes; /* output frame size, needed to compute
131 the time at which we send each
133 int pts_stream_index; /* stream we choose as clock reference */
134 int64_t cur_clock; /* current clock reference value in us */
135 /* output format handling */
136 struct FFStream *stream;
137 /* -1 is invalid stream */
138 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
139 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
141 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
142 int last_packet_sent; /* true if last data packet was sent */
144 DataRateData datarate;
151 int is_packetized; /* if true, the stream is packetized */
152 int packet_stream_index; /* current stream for output in state machine */
154 /* RTSP state specific */
155 uint8_t *pb_buffer; /* XXX: use that in all the code */
157 int seq; /* RTSP sequence number */
159 /* RTP state specific */
160 enum RTSPProtocol rtp_protocol;
161 char session_id[32]; /* session id */
162 AVFormatContext *rtp_ctx[MAX_STREAMS];
164 /* RTP/UDP specific */
165 URLContext *rtp_handles[MAX_STREAMS];
167 /* RTP/TCP specific */
168 struct HTTPContext *rtsp_c;
169 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
172 /* each generated stream is described here */
176 STREAM_TYPE_REDIRECT,
179 enum IPAddressAction {
184 typedef struct IPAddressACL {
185 struct IPAddressACL *next;
186 enum IPAddressAction action;
187 /* These are in host order */
188 struct in_addr first;
192 /* description of each stream of the ffserver.conf file */
193 typedef struct FFStream {
194 enum StreamType stream_type;
195 char filename[1024]; /* stream filename */
196 struct FFStream *feed; /* feed we are using (can be null if
198 AVFormatParameters *ap_in; /* input parameters */
199 AVInputFormat *ifmt; /* if non NULL, force input format */
203 int prebuffer; /* Number of millseconds early to start */
204 int64_t max_time; /* Number of milliseconds to run */
206 AVStream *streams[MAX_STREAMS];
207 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
208 char feed_filename[1024]; /* file name of the feed storage, or
209 input file name for a stream */
214 pid_t pid; /* Of ffmpeg process */
215 time_t pid_start; /* Of ffmpeg process */
217 struct FFStream *next;
218 unsigned bandwidth; /* bandwidth, in kbits/s */
221 /* multicast specific */
223 struct in_addr multicast_ip;
224 int multicast_port; /* first port used for multicast */
226 int loop; /* if true, send the stream in loops (only meaningful if file) */
229 int feed_opened; /* true if someone is writing to the feed */
230 int is_feed; /* true if it is a feed */
231 int readonly; /* True if writing is prohibited to the file */
233 int64_t bytes_served;
234 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
235 int64_t feed_write_index; /* current write position in feed (it wraps around) */
236 int64_t feed_size; /* current size of feed */
237 struct FFStream *next_feed;
240 typedef struct FeedData {
241 long long data_count;
242 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
245 static struct sockaddr_in my_http_addr;
246 static struct sockaddr_in my_rtsp_addr;
248 static char logfilename[1024];
249 static HTTPContext *first_http_ctx;
250 static FFStream *first_feed; /* contains only feeds */
251 static FFStream *first_stream; /* contains all streams, including feeds */
253 static void new_connection(int server_fd, int is_rtsp);
254 static void close_connection(HTTPContext *c);
257 static int handle_connection(HTTPContext *c);
258 static int http_parse_request(HTTPContext *c);
259 static int http_send_data(HTTPContext *c);
260 static void compute_status(HTTPContext *c);
261 static int open_input_stream(HTTPContext *c, const char *info);
262 static int http_start_receive_data(HTTPContext *c);
263 static int http_receive_data(HTTPContext *c);
266 static int rtsp_parse_request(HTTPContext *c);
267 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
268 static void rtsp_cmd_options(HTTPContext *c, const char *url);
269 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
270 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
275 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
276 struct in_addr my_ip);
279 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
280 FFStream *stream, const char *session_id,
281 enum RTSPProtocol rtp_protocol);
282 static int rtp_new_av_stream(HTTPContext *c,
283 int stream_index, struct sockaddr_in *dest_addr,
284 HTTPContext *rtsp_c);
286 static const char *my_program_name;
287 static const char *my_program_dir;
289 static const char *config_filename;
290 static int ffserver_debug;
291 static int ffserver_daemon;
292 static int no_launch;
293 static int need_to_start_children;
295 static int nb_max_connections = 5;
296 static int nb_connections;
298 static uint64_t max_bandwidth = 1000;
299 static uint64_t current_bandwidth;
301 static int64_t cur_time; // Making this global saves on passing it around everywhere
303 static AVRandomState random_state;
305 static FILE *logfile = NULL;
307 static char *ctime1(char *buf2)
315 p = buf2 + strlen(p) - 1;
321 static void http_vlog(const char *fmt, va_list vargs)
323 static int print_prefix = 1;
328 fprintf(logfile, "%s ", buf);
330 print_prefix = strstr(fmt, "\n") != NULL;
331 vfprintf(logfile, fmt, vargs);
336 void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
339 va_start(vargs, fmt);
340 http_vlog(fmt, vargs);
344 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
346 static int print_prefix = 1;
347 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
348 if (level > av_log_level)
350 if (print_prefix && avc)
351 http_log("[%s @ %p]", avc->item_name(ptr), avc);
352 print_prefix = strstr(fmt, "\n") != NULL;
353 http_vlog(fmt, vargs);
356 static void log_connection(HTTPContext *c)
361 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
362 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
363 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
366 static void update_datarate(DataRateData *drd, int64_t count)
368 if (!drd->time1 && !drd->count1) {
369 drd->time1 = drd->time2 = cur_time;
370 drd->count1 = drd->count2 = count;
371 } else if (cur_time - drd->time2 > 5000) {
372 drd->time1 = drd->time2;
373 drd->count1 = drd->count2;
374 drd->time2 = cur_time;
379 /* In bytes per second */
380 static int compute_datarate(DataRateData *drd, int64_t count)
382 if (cur_time == drd->time1)
385 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
389 static void start_children(FFStream *feed)
394 for (; feed; feed = feed->next) {
395 if (feed->child_argv && !feed->pid) {
396 feed->pid_start = time(0);
401 http_log("Unable to create children\n");
410 for (i = 3; i < 256; i++)
413 if (!ffserver_debug) {
414 i = open("/dev/null", O_RDWR);
423 av_strlcpy(pathname, my_program_name, sizeof(pathname));
425 slash = strrchr(pathname, '/');
430 strcpy(slash, "ffmpeg");
432 /* This is needed to make relative pathnames work */
433 chdir(my_program_dir);
435 signal(SIGPIPE, SIG_DFL);
437 execvp(pathname, feed->child_argv);
445 /* open a listening socket */
446 static int socket_open_listen(struct sockaddr_in *my_addr)
450 server_fd = socket(AF_INET,SOCK_STREAM,0);
457 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
459 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
461 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
463 closesocket(server_fd);
467 if (listen (server_fd, 5) < 0) {
469 closesocket(server_fd);
472 ff_socket_nonblock(server_fd, 1);
477 /* start all multicast streams */
478 static void start_multicast(void)
483 struct sockaddr_in dest_addr;
484 int default_port, stream_index;
487 for(stream = first_stream; stream != NULL; stream = stream->next) {
488 if (stream->is_multicast) {
489 /* open the RTP connection */
490 snprintf(session_id, sizeof(session_id), "%08x%08x",
491 av_random(&random_state), av_random(&random_state));
493 /* choose a port if none given */
494 if (stream->multicast_port == 0) {
495 stream->multicast_port = default_port;
499 dest_addr.sin_family = AF_INET;
500 dest_addr.sin_addr = stream->multicast_ip;
501 dest_addr.sin_port = htons(stream->multicast_port);
503 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
504 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
508 if (open_input_stream(rtp_c, "") < 0) {
509 http_log("Could not open input stream for stream '%s'\n",
514 /* open each RTP stream */
515 for(stream_index = 0; stream_index < stream->nb_streams;
517 dest_addr.sin_port = htons(stream->multicast_port +
519 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
520 http_log("Could not open output stream '%s/streamid=%d'\n",
521 stream->filename, stream_index);
526 /* change state to send data */
527 rtp_c->state = HTTPSTATE_SEND_DATA;
532 /* main loop of the http server */
533 static int http_server(void)
535 int server_fd = 0, rtsp_server_fd = 0;
536 int ret, delay, delay1;
537 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
538 HTTPContext *c, *c_next;
540 if (my_http_addr.sin_port) {
541 server_fd = socket_open_listen(&my_http_addr);
546 if (my_rtsp_addr.sin_port) {
547 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
548 if (rtsp_server_fd < 0)
552 if (!rtsp_server_fd && !server_fd) {
553 http_log("HTTP and RTSP disabled.\n");
557 http_log("ffserver started.\n");
559 start_children(first_feed);
561 first_http_ctx = NULL;
567 poll_entry = poll_table;
569 poll_entry->fd = server_fd;
570 poll_entry->events = POLLIN;
573 if (rtsp_server_fd) {
574 poll_entry->fd = rtsp_server_fd;
575 poll_entry->events = POLLIN;
579 /* wait for events on each HTTP handle */
586 case HTTPSTATE_SEND_HEADER:
587 case RTSPSTATE_SEND_REPLY:
588 case RTSPSTATE_SEND_PACKET:
589 c->poll_entry = poll_entry;
591 poll_entry->events = POLLOUT;
594 case HTTPSTATE_SEND_DATA_HEADER:
595 case HTTPSTATE_SEND_DATA:
596 case HTTPSTATE_SEND_DATA_TRAILER:
597 if (!c->is_packetized) {
598 /* for TCP, we output as much as we can (may need to put a limit) */
599 c->poll_entry = poll_entry;
601 poll_entry->events = POLLOUT;
604 /* when ffserver is doing the timing, we work by
605 looking at which packet need to be sent every
607 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
612 case HTTPSTATE_WAIT_REQUEST:
613 case HTTPSTATE_RECEIVE_DATA:
614 case HTTPSTATE_WAIT_FEED:
615 case RTSPSTATE_WAIT_REQUEST:
616 /* need to catch errors */
617 c->poll_entry = poll_entry;
619 poll_entry->events = POLLIN;/* Maybe this will work */
623 c->poll_entry = NULL;
629 /* wait for an event on one connection. We poll at least every
630 second to handle timeouts */
632 ret = poll(poll_table, poll_entry - poll_table, delay);
633 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
634 ff_neterrno() != FF_NETERROR(EINTR))
638 cur_time = av_gettime() / 1000;
640 if (need_to_start_children) {
641 need_to_start_children = 0;
642 start_children(first_feed);
645 /* now handle the events */
646 for(c = first_http_ctx; c != NULL; c = c_next) {
648 if (handle_connection(c) < 0) {
649 /* close and free the connection */
655 poll_entry = poll_table;
657 /* new HTTP connection request ? */
658 if (poll_entry->revents & POLLIN)
659 new_connection(server_fd, 0);
662 if (rtsp_server_fd) {
663 /* new RTSP connection request ? */
664 if (poll_entry->revents & POLLIN)
665 new_connection(rtsp_server_fd, 1);
670 /* start waiting for a new HTTP/RTSP request */
671 static void start_wait_request(HTTPContext *c, int is_rtsp)
673 c->buffer_ptr = c->buffer;
674 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
677 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
678 c->state = RTSPSTATE_WAIT_REQUEST;
680 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
681 c->state = HTTPSTATE_WAIT_REQUEST;
685 static void new_connection(int server_fd, int is_rtsp)
687 struct sockaddr_in from_addr;
689 HTTPContext *c = NULL;
691 len = sizeof(from_addr);
692 fd = accept(server_fd, (struct sockaddr *)&from_addr,
695 http_log("error during accept %s\n", strerror(errno));
698 ff_socket_nonblock(fd, 1);
700 /* XXX: should output a warning page when coming
701 close to the connection limit */
702 if (nb_connections >= nb_max_connections)
705 /* add a new connection */
706 c = av_mallocz(sizeof(HTTPContext));
711 c->poll_entry = NULL;
712 c->from_addr = from_addr;
713 c->buffer_size = IOBUFFER_INIT_SIZE;
714 c->buffer = av_malloc(c->buffer_size);
718 c->next = first_http_ctx;
722 start_wait_request(c, is_rtsp);
734 static void close_connection(HTTPContext *c)
736 HTTPContext **cp, *c1;
738 AVFormatContext *ctx;
742 /* remove connection from list */
743 cp = &first_http_ctx;
744 while ((*cp) != NULL) {
752 /* remove references, if any (XXX: do it faster) */
753 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
758 /* remove connection associated resources */
762 /* close each frame parser */
763 for(i=0;i<c->fmt_in->nb_streams;i++) {
764 st = c->fmt_in->streams[i];
765 if (st->codec->codec)
766 avcodec_close(st->codec);
768 av_close_input_file(c->fmt_in);
771 /* free RTP output streams if any */
774 nb_streams = c->stream->nb_streams;
776 for(i=0;i<nb_streams;i++) {
779 av_write_trailer(ctx);
782 h = c->rtp_handles[i];
789 if (!c->last_packet_sent) {
792 if (url_open_dyn_buf(&ctx->pb) >= 0) {
793 av_write_trailer(ctx);
794 av_freep(&c->pb_buffer);
795 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
800 for(i=0; i<ctx->nb_streams; i++)
801 av_free(ctx->streams[i]);
803 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
804 current_bandwidth -= c->stream->bandwidth;
806 /* signal that there is no feed if we are the feeder socket */
807 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
808 c->stream->feed_opened = 0;
812 av_freep(&c->pb_buffer);
813 av_freep(&c->packet_buffer);
819 static int handle_connection(HTTPContext *c)
824 case HTTPSTATE_WAIT_REQUEST:
825 case RTSPSTATE_WAIT_REQUEST:
827 if ((c->timeout - cur_time) < 0)
829 if (c->poll_entry->revents & (POLLERR | POLLHUP))
832 /* no need to read if no events */
833 if (!(c->poll_entry->revents & POLLIN))
837 len = recv(c->fd, c->buffer_ptr, 1, 0);
839 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
840 ff_neterrno() != FF_NETERROR(EINTR))
842 } else if (len == 0) {
845 /* search for end of request. */
847 c->buffer_ptr += len;
849 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
850 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
851 /* request found : parse it and reply */
852 if (c->state == HTTPSTATE_WAIT_REQUEST) {
853 ret = http_parse_request(c);
855 ret = rtsp_parse_request(c);
859 } else if (ptr >= c->buffer_end) {
860 /* request too long: cannot do anything */
862 } else goto read_loop;
866 case HTTPSTATE_SEND_HEADER:
867 if (c->poll_entry->revents & (POLLERR | POLLHUP))
870 /* no need to write if no events */
871 if (!(c->poll_entry->revents & POLLOUT))
873 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
875 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
876 ff_neterrno() != FF_NETERROR(EINTR)) {
877 /* error : close connection */
878 av_freep(&c->pb_buffer);
882 c->buffer_ptr += len;
884 c->stream->bytes_served += len;
885 c->data_count += len;
886 if (c->buffer_ptr >= c->buffer_end) {
887 av_freep(&c->pb_buffer);
891 /* all the buffer was sent : synchronize to the incoming stream */
892 c->state = HTTPSTATE_SEND_DATA_HEADER;
893 c->buffer_ptr = c->buffer_end = c->buffer;
898 case HTTPSTATE_SEND_DATA:
899 case HTTPSTATE_SEND_DATA_HEADER:
900 case HTTPSTATE_SEND_DATA_TRAILER:
901 /* for packetized output, we consider we can always write (the
902 input streams sets the speed). It may be better to verify
903 that we do not rely too much on the kernel queues */
904 if (!c->is_packetized) {
905 if (c->poll_entry->revents & (POLLERR | POLLHUP))
908 /* no need to read if no events */
909 if (!(c->poll_entry->revents & POLLOUT))
912 if (http_send_data(c) < 0)
914 /* close connection if trailer sent */
915 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
918 case HTTPSTATE_RECEIVE_DATA:
919 /* no need to read if no events */
920 if (c->poll_entry->revents & (POLLERR | POLLHUP))
922 if (!(c->poll_entry->revents & POLLIN))
924 if (http_receive_data(c) < 0)
927 case HTTPSTATE_WAIT_FEED:
928 /* no need to read if no events */
929 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
932 /* nothing to do, we'll be waken up by incoming feed packets */
935 case RTSPSTATE_SEND_REPLY:
936 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
937 av_freep(&c->pb_buffer);
940 /* no need to write if no events */
941 if (!(c->poll_entry->revents & POLLOUT))
943 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
945 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
946 ff_neterrno() != FF_NETERROR(EINTR)) {
947 /* error : close connection */
948 av_freep(&c->pb_buffer);
952 c->buffer_ptr += len;
953 c->data_count += len;
954 if (c->buffer_ptr >= c->buffer_end) {
955 /* all the buffer was sent : wait for a new request */
956 av_freep(&c->pb_buffer);
957 start_wait_request(c, 1);
961 case RTSPSTATE_SEND_PACKET:
962 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
963 av_freep(&c->packet_buffer);
966 /* no need to write if no events */
967 if (!(c->poll_entry->revents & POLLOUT))
969 len = send(c->fd, c->packet_buffer_ptr,
970 c->packet_buffer_end - c->packet_buffer_ptr, 0);
972 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
973 ff_neterrno() != FF_NETERROR(EINTR)) {
974 /* error : close connection */
975 av_freep(&c->packet_buffer);
979 c->packet_buffer_ptr += len;
980 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
981 /* all the buffer was sent : wait for a new request */
982 av_freep(&c->packet_buffer);
983 c->state = RTSPSTATE_WAIT_REQUEST;
987 case HTTPSTATE_READY:
996 static int extract_rates(char *rates, int ratelen, const char *request)
1000 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1001 if (strncasecmp(p, "Pragma:", 7) == 0) {
1002 const char *q = p + 7;
1004 while (*q && *q != '\n' && isspace(*q))
1007 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1013 memset(rates, 0xff, ratelen);
1016 while (*q && *q != '\n' && *q != ':')
1019 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1023 if (stream_no < ratelen && stream_no >= 0)
1024 rates[stream_no] = rate_no;
1026 while (*q && *q != '\n' && !isspace(*q))
1033 p = strchr(p, '\n');
1043 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1046 int best_bitrate = 100000000;
1049 for (i = 0; i < feed->nb_streams; i++) {
1050 AVCodecContext *feed_codec = feed->streams[i]->codec;
1052 if (feed_codec->codec_id != codec->codec_id ||
1053 feed_codec->sample_rate != codec->sample_rate ||
1054 feed_codec->width != codec->width ||
1055 feed_codec->height != codec->height)
1058 /* Potential stream */
1060 /* We want the fastest stream less than bit_rate, or the slowest
1061 * faster than bit_rate
1064 if (feed_codec->bit_rate <= bit_rate) {
1065 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1066 best_bitrate = feed_codec->bit_rate;
1070 if (feed_codec->bit_rate < best_bitrate) {
1071 best_bitrate = feed_codec->bit_rate;
1080 static int modify_current_stream(HTTPContext *c, char *rates)
1083 FFStream *req = c->stream;
1084 int action_required = 0;
1086 /* Not much we can do for a feed */
1090 for (i = 0; i < req->nb_streams; i++) {
1091 AVCodecContext *codec = req->streams[i]->codec;
1095 c->switch_feed_streams[i] = req->feed_streams[i];
1098 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1101 /* Wants off or slow */
1102 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1104 /* This doesn't work well when it turns off the only stream! */
1105 c->switch_feed_streams[i] = -2;
1106 c->feed_streams[i] = -2;
1111 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1112 action_required = 1;
1115 return action_required;
1119 static void do_switch_stream(HTTPContext *c, int i)
1121 if (c->switch_feed_streams[i] >= 0) {
1123 c->feed_streams[i] = c->switch_feed_streams[i];
1126 /* Now update the stream */
1128 c->switch_feed_streams[i] = -1;
1131 /* XXX: factorize in utils.c ? */
1132 /* XXX: take care with different space meaning */
1133 static void skip_spaces(const char **pp)
1137 while (*p == ' ' || *p == '\t')
1142 static void get_word(char *buf, int buf_size, const char **pp)
1150 while (!isspace(*p) && *p != '\0') {
1151 if ((q - buf) < buf_size - 1)
1160 static int validate_acl(FFStream *stream, HTTPContext *c)
1162 enum IPAddressAction last_action = IP_DENY;
1164 struct in_addr *src = &c->from_addr.sin_addr;
1165 unsigned long src_addr = src->s_addr;
1167 for (acl = stream->acl; acl; acl = acl->next) {
1168 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1169 return (acl->action == IP_ALLOW) ? 1 : 0;
1170 last_action = acl->action;
1173 /* Nothing matched, so return not the last action */
1174 return (last_action == IP_DENY) ? 1 : 0;
1177 /* compute the real filename of a file by matching it without its
1178 extensions to all the stream filenames */
1179 static void compute_real_filename(char *filename, int max_size)
1186 /* compute filename by matching without the file extensions */
1187 av_strlcpy(file1, filename, sizeof(file1));
1188 p = strrchr(file1, '.');
1191 for(stream = first_stream; stream != NULL; stream = stream->next) {
1192 av_strlcpy(file2, stream->filename, sizeof(file2));
1193 p = strrchr(file2, '.');
1196 if (!strcmp(file1, file2)) {
1197 av_strlcpy(filename, stream->filename, max_size);
1212 /* parse http request and prepare header */
1213 static int http_parse_request(HTTPContext *c)
1216 enum RedirType redir_type;
1218 char info[1024], filename[1024];
1222 const char *mime_type;
1226 char *useragent = 0;
1229 get_word(cmd, sizeof(cmd), (const char **)&p);
1230 av_strlcpy(c->method, cmd, sizeof(c->method));
1232 if (!strcmp(cmd, "GET"))
1234 else if (!strcmp(cmd, "POST"))
1239 get_word(url, sizeof(url), (const char **)&p);
1240 av_strlcpy(c->url, url, sizeof(c->url));
1242 get_word(protocol, sizeof(protocol), (const char **)&p);
1243 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1246 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1249 http_log("New connection: %s %s\n", cmd, url);
1251 /* find the filename and the optional info string in the request */
1252 p = strchr(url, '?');
1254 av_strlcpy(info, p, sizeof(info));
1259 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1261 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1262 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1264 if (*useragent && *useragent != '\n' && isspace(*useragent))
1268 p = strchr(p, '\n');
1275 redir_type = REDIR_NONE;
1276 if (match_ext(filename, "asx")) {
1277 redir_type = REDIR_ASX;
1278 filename[strlen(filename)-1] = 'f';
1279 } else if (match_ext(filename, "asf") &&
1280 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1281 /* if this isn't WMP or lookalike, return the redirector file */
1282 redir_type = REDIR_ASF;
1283 } else if (match_ext(filename, "rpm,ram")) {
1284 redir_type = REDIR_RAM;
1285 strcpy(filename + strlen(filename)-2, "m");
1286 } else if (match_ext(filename, "rtsp")) {
1287 redir_type = REDIR_RTSP;
1288 compute_real_filename(filename, sizeof(filename) - 1);
1289 } else if (match_ext(filename, "sdp")) {
1290 redir_type = REDIR_SDP;
1291 compute_real_filename(filename, sizeof(filename) - 1);
1294 // "redirect" / request to index.html
1295 if (!strlen(filename))
1296 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1298 stream = first_stream;
1299 while (stream != NULL) {
1300 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1302 stream = stream->next;
1304 if (stream == NULL) {
1305 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1310 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1311 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1313 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1314 c->http_error = 301;
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1322 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1324 /* prepare output buffer */
1325 c->buffer_ptr = c->buffer;
1327 c->state = HTTPSTATE_SEND_HEADER;
1331 /* If this is WMP, get the rate information */
1332 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1333 if (modify_current_stream(c, ratebuf)) {
1334 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1335 if (c->switch_feed_streams[i] >= 0)
1336 do_switch_stream(c, i);
1341 /* If already streaming this feed, do not let start another feeder. */
1342 if (stream->feed_opened) {
1343 snprintf(msg, sizeof(msg), "This feed is already being received.");
1347 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1348 current_bandwidth += stream->bandwidth;
1350 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1351 c->http_error = 200;
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1357 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %lldkbit/sec, and this exceeds the limit of %lldkbit/sec.</p>\r\n",
1359 current_bandwidth, max_bandwidth);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1362 /* prepare output buffer */
1363 c->buffer_ptr = c->buffer;
1365 c->state = HTTPSTATE_SEND_HEADER;
1369 if (redir_type != REDIR_NONE) {
1372 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1373 if (strncasecmp(p, "Host:", 5) == 0) {
1377 p = strchr(p, '\n');
1388 while (isspace(*hostinfo))
1391 eoh = strchr(hostinfo, '\n');
1393 if (eoh[-1] == '\r')
1396 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1397 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1398 hostbuf[eoh - hostinfo] = 0;
1400 c->http_error = 200;
1402 switch(redir_type) {
1404 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1405 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1406 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1407 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1408 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1409 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1410 hostbuf, filename, info);
1411 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1416 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1418 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1419 hostbuf, filename, info);
1422 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1423 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1424 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1425 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1426 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1427 hostbuf, filename, info);
1431 char hostname[256], *p;
1432 /* extract only hostname */
1433 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1434 p = strrchr(hostname, ':');
1437 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1438 /* XXX: incorrect mime type ? */
1439 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1440 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1441 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1442 hostname, ntohs(my_rtsp_addr.sin_port),
1449 int sdp_data_size, len;
1450 struct sockaddr_in my_addr;
1452 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1453 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1454 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1456 len = sizeof(my_addr);
1457 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1459 /* XXX: should use a dynamic buffer */
1460 sdp_data_size = prepare_sdp_description(stream,
1463 if (sdp_data_size > 0) {
1464 memcpy(q, sdp_data, sdp_data_size);
1476 /* prepare output buffer */
1477 c->buffer_ptr = c->buffer;
1479 c->state = HTTPSTATE_SEND_HEADER;
1485 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1489 stream->conns_served++;
1491 /* XXX: add there authenticate and IP match */
1494 /* if post, it means a feed is being sent */
1495 if (!stream->is_feed) {
1496 /* However it might be a status report from WMP! Lets log the data
1497 * as it might come in handy one day
1502 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1503 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1507 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1508 client_id = strtol(p + 18, 0, 10);
1509 p = strchr(p, '\n');
1517 char *eol = strchr(logline, '\n');
1522 if (eol[-1] == '\r')
1524 http_log("%.*s\n", (int) (eol - logline), logline);
1525 c->suppress_log = 1;
1530 http_log("\nGot request:\n%s\n", c->buffer);
1533 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1536 /* Now we have to find the client_id */
1537 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1538 if (wmpc->wmp_client_id == client_id)
1542 if (wmpc && modify_current_stream(wmpc, ratebuf))
1543 wmpc->switch_pending = 1;
1546 snprintf(msg, sizeof(msg), "POST command not handled");
1550 if (http_start_receive_data(c) < 0) {
1551 snprintf(msg, sizeof(msg), "could not open feed");
1555 c->state = HTTPSTATE_RECEIVE_DATA;
1560 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1561 http_log("\nGot request:\n%s\n", c->buffer);
1564 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1567 /* open input stream */
1568 if (open_input_stream(c, info) < 0) {
1569 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1573 /* prepare http header */
1575 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1576 mime_type = c->stream->fmt->mime_type;
1578 mime_type = "application/x-octet-stream";
1579 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1581 /* for asf, we need extra headers */
1582 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1583 /* Need to allocate a client id */
1585 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1587 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1589 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1590 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1592 /* prepare output buffer */
1594 c->buffer_ptr = c->buffer;
1596 c->state = HTTPSTATE_SEND_HEADER;
1599 c->http_error = 404;
1601 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1602 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1603 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1604 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1605 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1606 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1607 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1609 /* prepare output buffer */
1610 c->buffer_ptr = c->buffer;
1612 c->state = HTTPSTATE_SEND_HEADER;
1616 c->http_error = 200; /* horrible : we use this value to avoid
1617 going to the send data state */
1618 c->state = HTTPSTATE_SEND_HEADER;
1622 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1624 static const char *suffix = " kMGTP";
1627 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1629 url_fprintf(pb, "%"PRId64"%c", count, *s);
1632 static void compute_status(HTTPContext *c)
1641 if (url_open_dyn_buf(&pb) < 0) {
1642 /* XXX: return an error ? */
1643 c->buffer_ptr = c->buffer;
1644 c->buffer_end = c->buffer;
1648 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1649 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1650 url_fprintf(pb, "Pragma: no-cache\r\n");
1651 url_fprintf(pb, "\r\n");
1653 url_fprintf(pb, "<HEAD><TITLE>%s Status</TITLE>\n", program_name);
1654 if (c->stream->feed_filename[0])
1655 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1656 url_fprintf(pb, "</HEAD>\n<BODY>");
1657 url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
1659 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1660 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1661 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1662 stream = first_stream;
1663 while (stream != NULL) {
1664 char sfilename[1024];
1667 if (stream->feed != stream) {
1668 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1669 eosf = sfilename + strlen(sfilename);
1670 if (eosf - sfilename >= 4) {
1671 if (strcmp(eosf - 4, ".asf") == 0)
1672 strcpy(eosf - 4, ".asx");
1673 else if (strcmp(eosf - 3, ".rm") == 0)
1674 strcpy(eosf - 3, ".ram");
1675 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1676 /* generate a sample RTSP director if
1677 unicast. Generate an SDP redirector if
1679 eosf = strrchr(sfilename, '.');
1681 eosf = sfilename + strlen(sfilename);
1682 if (stream->is_multicast)
1683 strcpy(eosf, ".sdp");
1685 strcpy(eosf, ".rtsp");
1689 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1690 sfilename, stream->filename);
1691 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1692 stream->conns_served);
1693 fmt_bytecount(pb, stream->bytes_served);
1694 switch(stream->stream_type) {
1695 case STREAM_TYPE_LIVE:
1697 int audio_bit_rate = 0;
1698 int video_bit_rate = 0;
1699 const char *audio_codec_name = "";
1700 const char *video_codec_name = "";
1701 const char *audio_codec_name_extra = "";
1702 const char *video_codec_name_extra = "";
1704 for(i=0;i<stream->nb_streams;i++) {
1705 AVStream *st = stream->streams[i];
1706 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1707 switch(st->codec->codec_type) {
1708 case CODEC_TYPE_AUDIO:
1709 audio_bit_rate += st->codec->bit_rate;
1711 if (*audio_codec_name)
1712 audio_codec_name_extra = "...";
1713 audio_codec_name = codec->name;
1716 case CODEC_TYPE_VIDEO:
1717 video_bit_rate += st->codec->bit_rate;
1719 if (*video_codec_name)
1720 video_codec_name_extra = "...";
1721 video_codec_name = codec->name;
1724 case CODEC_TYPE_DATA:
1725 video_bit_rate += st->codec->bit_rate;
1731 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1734 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1735 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1737 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1739 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1740 url_fprintf(pb, "\n");
1744 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1748 stream = stream->next;
1750 url_fprintf(pb, "</TABLE>\n");
1752 stream = first_stream;
1753 while (stream != NULL) {
1754 if (stream->feed == stream) {
1755 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1757 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1759 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1764 /* This is somewhat linux specific I guess */
1765 snprintf(ps_cmd, sizeof(ps_cmd),
1766 "ps -o \"%%cpu,cputime\" --no-headers %d",
1769 pid_stat = popen(ps_cmd, "r");
1774 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1776 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1784 url_fprintf(pb, "<p>");
1786 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1788 for (i = 0; i < stream->nb_streams; i++) {
1789 AVStream *st = stream->streams[i];
1790 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1791 const char *type = "unknown";
1792 char parameters[64];
1796 switch(st->codec->codec_type) {
1797 case CODEC_TYPE_AUDIO:
1799 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1801 case CODEC_TYPE_VIDEO:
1803 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1804 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1809 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1810 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1812 url_fprintf(pb, "</table>\n");
1815 stream = stream->next;
1821 AVCodecContext *enc;
1825 stream = first_feed;
1826 while (stream != NULL) {
1827 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1828 url_fprintf(pb, "<TABLE>\n");
1829 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1830 for(i=0;i<stream->nb_streams;i++) {
1831 AVStream *st = stream->streams[i];
1832 FeedData *fdata = st->priv_data;
1835 avcodec_string(buf, sizeof(buf), enc);
1836 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1837 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1838 avg /= enc->frame_size;
1839 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1840 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1842 url_fprintf(pb, "</TABLE>\n");
1843 stream = stream->next_feed;
1848 /* connection status */
1849 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1851 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1852 nb_connections, nb_max_connections);
1854 url_fprintf(pb, "Bandwidth in use: %lldk / %lldk<BR>\n",
1855 current_bandwidth, max_bandwidth);
1857 url_fprintf(pb, "<TABLE>\n");
1858 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1859 c1 = first_http_ctx;
1861 while (c1 != NULL) {
1867 for (j = 0; j < c1->stream->nb_streams; j++) {
1868 if (!c1->stream->feed)
1869 bitrate += c1->stream->streams[j]->codec->bit_rate;
1870 else if (c1->feed_streams[j] >= 0)
1871 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1876 p = inet_ntoa(c1->from_addr.sin_addr);
1877 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1879 c1->stream ? c1->stream->filename : "",
1880 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1883 http_state[c1->state]);
1884 fmt_bytecount(pb, bitrate);
1885 url_fprintf(pb, "<td align=right>");
1886 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1887 url_fprintf(pb, "<td align=right>");
1888 fmt_bytecount(pb, c1->data_count);
1889 url_fprintf(pb, "\n");
1892 url_fprintf(pb, "</TABLE>\n");
1897 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1898 url_fprintf(pb, "</BODY>\n</HTML>\n");
1900 len = url_close_dyn_buf(pb, &c->pb_buffer);
1901 c->buffer_ptr = c->pb_buffer;
1902 c->buffer_end = c->pb_buffer + len;
1905 /* check if the parser needs to be opened for stream i */
1906 static void open_parser(AVFormatContext *s, int i)
1908 AVStream *st = s->streams[i];
1911 if (!st->codec->codec) {
1912 codec = avcodec_find_decoder(st->codec->codec_id);
1913 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1914 st->codec->parse_only = 1;
1915 if (avcodec_open(st->codec, codec) < 0)
1916 st->codec->parse_only = 0;
1921 static int open_input_stream(HTTPContext *c, const char *info)
1924 char input_filename[1024];
1926 int buf_size, i, ret;
1929 /* find file name */
1930 if (c->stream->feed) {
1931 strcpy(input_filename, c->stream->feed->feed_filename);
1932 buf_size = FFM_PACKET_SIZE;
1933 /* compute position (absolute time) */
1934 if (find_info_tag(buf, sizeof(buf), "date", info))
1936 stream_pos = parse_date(buf, 0);
1937 if (stream_pos == INT64_MIN)
1940 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1941 int prebuffer = strtol(buf, 0, 10);
1942 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1944 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1946 strcpy(input_filename, c->stream->feed_filename);
1948 /* compute position (relative time) */
1949 if (find_info_tag(buf, sizeof(buf), "date", info))
1951 stream_pos = parse_date(buf, 1);
1952 if (stream_pos == INT64_MIN)
1958 if (input_filename[0] == '\0')
1962 { time_t when = stream_pos / 1000000;
1963 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1968 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1969 buf_size, c->stream->ap_in)) < 0) {
1970 http_log("could not open %s: %d\n", input_filename, ret);
1973 s->flags |= AVFMT_FLAG_GENPTS;
1975 av_find_stream_info(c->fmt_in);
1977 /* open each parser */
1978 for(i=0;i<s->nb_streams;i++)
1981 /* choose stream as clock source (we favorize video stream if
1982 present) for packet sending */
1983 c->pts_stream_index = 0;
1984 for(i=0;i<c->stream->nb_streams;i++) {
1985 if (c->pts_stream_index == 0 &&
1986 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1987 c->pts_stream_index = i;
1992 if (c->fmt_in->iformat->read_seek)
1993 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
1995 /* set the start time (needed for maxtime and RTP packet timing) */
1996 c->start_time = cur_time;
1997 c->first_pts = AV_NOPTS_VALUE;
2001 /* return the server clock (in us) */
2002 static int64_t get_server_clock(HTTPContext *c)
2004 /* compute current pts value from system time */
2005 return (cur_time - c->start_time) * 1000;
2008 /* return the estimated time at which the current packet must be sent
2010 static int64_t get_packet_send_clock(HTTPContext *c)
2012 int bytes_left, bytes_sent, frame_bytes;
2014 frame_bytes = c->cur_frame_bytes;
2015 if (frame_bytes <= 0)
2018 bytes_left = c->buffer_end - c->buffer_ptr;
2019 bytes_sent = frame_bytes - bytes_left;
2020 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2025 static int http_prepare_data(HTTPContext *c)
2028 AVFormatContext *ctx;
2030 av_freep(&c->pb_buffer);
2032 case HTTPSTATE_SEND_DATA_HEADER:
2033 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2034 av_strlcpy(c->fmt_ctx.author, c->stream->author,
2035 sizeof(c->fmt_ctx.author));
2036 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
2037 sizeof(c->fmt_ctx.comment));
2038 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
2039 sizeof(c->fmt_ctx.copyright));
2040 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2041 sizeof(c->fmt_ctx.title));
2043 for(i=0;i<c->stream->nb_streams;i++) {
2046 st = av_mallocz(sizeof(AVStream));
2047 c->fmt_ctx.streams[i] = st;
2048 /* if file or feed, then just take streams from FFStream struct */
2049 if (!c->stream->feed ||
2050 c->stream->feed == c->stream)
2051 src = c->stream->streams[i];
2053 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2057 st->codec->frame_number = 0; /* XXX: should be done in
2058 AVStream, not in codec */
2060 /* set output format parameters */
2061 c->fmt_ctx.oformat = c->stream->fmt;
2062 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2064 c->got_key_frame = 0;
2066 /* prepare header and save header data in a stream */
2067 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2068 /* XXX: potential leak */
2071 c->fmt_ctx.pb->is_streamed = 1;
2074 * HACK to avoid mpeg ps muxer to spit many underflow errors
2075 * Default value from FFmpeg
2076 * Try to set it use configuration option
2078 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2079 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2081 av_set_parameters(&c->fmt_ctx, NULL);
2082 if (av_write_header(&c->fmt_ctx) < 0) {
2083 http_log("Error writing output header\n");
2087 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2088 c->buffer_ptr = c->pb_buffer;
2089 c->buffer_end = c->pb_buffer + len;
2091 c->state = HTTPSTATE_SEND_DATA;
2092 c->last_packet_sent = 0;
2094 case HTTPSTATE_SEND_DATA:
2095 /* find a new packet */
2096 /* read a packet from the input stream */
2097 if (c->stream->feed)
2098 ffm_set_write_index(c->fmt_in,
2099 c->stream->feed->feed_write_index,
2100 c->stream->feed->feed_size);
2102 if (c->stream->max_time &&
2103 c->stream->max_time + c->start_time - cur_time < 0)
2104 /* We have timed out */
2105 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2109 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2110 if (c->stream->feed && c->stream->feed->feed_opened) {
2111 /* if coming from feed, it means we reached the end of the
2112 ffm file, so must wait for more data */
2113 c->state = HTTPSTATE_WAIT_FEED;
2114 return 1; /* state changed */
2116 if (c->stream->loop) {
2117 av_close_input_file(c->fmt_in);
2119 if (open_input_stream(c, "") < 0)
2124 /* must send trailer now because eof or error */
2125 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2129 int source_index = pkt.stream_index;
2130 /* update first pts if needed */
2131 if (c->first_pts == AV_NOPTS_VALUE) {
2132 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2133 c->start_time = cur_time;
2135 /* send it to the appropriate stream */
2136 if (c->stream->feed) {
2137 /* if coming from a feed, select the right stream */
2138 if (c->switch_pending) {
2139 c->switch_pending = 0;
2140 for(i=0;i<c->stream->nb_streams;i++) {
2141 if (c->switch_feed_streams[i] == pkt.stream_index)
2142 if (pkt.flags & PKT_FLAG_KEY)
2143 do_switch_stream(c, i);
2144 if (c->switch_feed_streams[i] >= 0)
2145 c->switch_pending = 1;
2148 for(i=0;i<c->stream->nb_streams;i++) {
2149 if (c->feed_streams[i] == pkt.stream_index) {
2150 AVStream *st = c->fmt_in->streams[source_index];
2151 pkt.stream_index = i;
2152 if (pkt.flags & PKT_FLAG_KEY &&
2153 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2154 c->stream->nb_streams == 1))
2155 c->got_key_frame = 1;
2156 if (!c->stream->send_on_key || c->got_key_frame)
2161 AVCodecContext *codec;
2164 /* specific handling for RTP: we use several
2165 output stream (one for each RTP
2166 connection). XXX: need more abstract handling */
2167 if (c->is_packetized) {
2169 /* compute send time and duration */
2170 st = c->fmt_in->streams[pkt.stream_index];
2171 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2172 if (st->start_time != AV_NOPTS_VALUE)
2173 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2174 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2176 printf("index=%d pts=%0.3f duration=%0.6f\n",
2178 (double)c->cur_pts /
2180 (double)c->cur_frame_duration /
2183 /* find RTP context */
2184 c->packet_stream_index = pkt.stream_index;
2185 ctx = c->rtp_ctx[c->packet_stream_index];
2187 av_free_packet(&pkt);
2190 codec = ctx->streams[0]->codec;
2191 /* only one stream per RTP connection */
2192 pkt.stream_index = 0;
2196 codec = ctx->streams[pkt.stream_index]->codec;
2199 if (c->is_packetized) {
2200 int max_packet_size;
2201 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2202 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2204 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2205 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2207 ret = url_open_dyn_buf(&ctx->pb);
2210 /* XXX: potential leak */
2213 c->fmt_ctx.pb->is_streamed = 1;
2214 if (pkt.dts != AV_NOPTS_VALUE)
2215 pkt.dts = av_rescale_q(pkt.dts,
2216 c->fmt_in->streams[source_index]->time_base,
2217 ctx->streams[pkt.stream_index]->time_base);
2218 if (pkt.pts != AV_NOPTS_VALUE)
2219 pkt.pts = av_rescale_q(pkt.pts,
2220 c->fmt_in->streams[source_index]->time_base,
2221 ctx->streams[pkt.stream_index]->time_base);
2222 pkt.duration = av_rescale_q(pkt.duration,
2223 c->fmt_in->streams[source_index]->time_base,
2224 ctx->streams[pkt.stream_index]->time_base);
2225 if (av_write_frame(ctx, &pkt) < 0) {
2226 http_log("Error writing frame to output\n");
2227 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2230 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2231 c->cur_frame_bytes = len;
2232 c->buffer_ptr = c->pb_buffer;
2233 c->buffer_end = c->pb_buffer + len;
2235 codec->frame_number++;
2237 av_free_packet(&pkt);
2241 av_free_packet(&pkt);
2246 case HTTPSTATE_SEND_DATA_TRAILER:
2247 /* last packet test ? */
2248 if (c->last_packet_sent || c->is_packetized)
2251 /* prepare header */
2252 if (url_open_dyn_buf(&ctx->pb) < 0) {
2253 /* XXX: potential leak */
2256 c->fmt_ctx.pb->is_streamed = 1;
2257 av_write_trailer(ctx);
2258 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2259 c->buffer_ptr = c->pb_buffer;
2260 c->buffer_end = c->pb_buffer + len;
2262 c->last_packet_sent = 1;
2268 /* should convert the format at the same time */
2269 /* send data starting at c->buffer_ptr to the output connection
2270 (either UDP or TCP connection) */
2271 static int http_send_data(HTTPContext *c)
2276 if (c->buffer_ptr >= c->buffer_end) {
2277 ret = http_prepare_data(c);
2281 /* state change requested */
2284 if (c->is_packetized) {
2285 /* RTP data output */
2286 len = c->buffer_end - c->buffer_ptr;
2288 /* fail safe - should never happen */
2290 c->buffer_ptr = c->buffer_end;
2293 len = (c->buffer_ptr[0] << 24) |
2294 (c->buffer_ptr[1] << 16) |
2295 (c->buffer_ptr[2] << 8) |
2297 if (len > (c->buffer_end - c->buffer_ptr))
2299 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2300 /* nothing to send yet: we can wait */
2304 c->data_count += len;
2305 update_datarate(&c->datarate, c->data_count);
2307 c->stream->bytes_served += len;
2309 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
2310 /* RTP packets are sent inside the RTSP TCP connection */
2312 int interleaved_index, size;
2314 HTTPContext *rtsp_c;
2317 /* if no RTSP connection left, error */
2320 /* if already sending something, then wait. */
2321 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2323 if (url_open_dyn_buf(&pb) < 0)
2325 interleaved_index = c->packet_stream_index * 2;
2326 /* RTCP packets are sent at odd indexes */
2327 if (c->buffer_ptr[1] == 200)
2328 interleaved_index++;
2329 /* write RTSP TCP header */
2331 header[1] = interleaved_index;
2332 header[2] = len >> 8;
2334 put_buffer(pb, header, 4);
2335 /* write RTP packet data */
2337 put_buffer(pb, c->buffer_ptr, len);
2338 size = url_close_dyn_buf(pb, &c->packet_buffer);
2339 /* prepare asynchronous TCP sending */
2340 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2341 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2342 c->buffer_ptr += len;
2344 /* send everything we can NOW */
2345 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2346 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2348 rtsp_c->packet_buffer_ptr += len;
2349 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2350 /* if we could not send all the data, we will
2351 send it later, so a new state is needed to
2352 "lock" the RTSP TCP connection */
2353 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2356 /* all data has been sent */
2357 av_freep(&c->packet_buffer);
2359 /* send RTP packet directly in UDP */
2361 url_write(c->rtp_handles[c->packet_stream_index],
2362 c->buffer_ptr, len);
2363 c->buffer_ptr += len;
2364 /* here we continue as we can send several packets per 10 ms slot */
2367 /* TCP data output */
2368 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2370 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2371 ff_neterrno() != FF_NETERROR(EINTR))
2372 /* error : close connection */
2377 c->buffer_ptr += len;
2379 c->data_count += len;
2380 update_datarate(&c->datarate, c->data_count);
2382 c->stream->bytes_served += len;
2390 static int http_start_receive_data(HTTPContext *c)
2394 if (c->stream->feed_opened)
2397 /* Don't permit writing to this one */
2398 if (c->stream->readonly)
2402 fd = open(c->stream->feed_filename, O_RDWR);
2404 http_log("Error opening feeder file: %s\n", strerror(errno));
2409 c->stream->feed_write_index = ffm_read_write_index(fd);
2410 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2411 lseek(fd, 0, SEEK_SET);
2413 /* init buffer input */
2414 c->buffer_ptr = c->buffer;
2415 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2416 c->stream->feed_opened = 1;
2420 static int http_receive_data(HTTPContext *c)
2424 if (c->buffer_end > c->buffer_ptr) {
2427 len = recv(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2429 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2430 ff_neterrno() != FF_NETERROR(EINTR))
2431 /* error : close connection */
2433 } else if (len == 0)
2434 /* end of connection : close it */
2437 c->buffer_ptr += len;
2438 c->data_count += len;
2439 update_datarate(&c->datarate, c->data_count);
2443 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2444 if (c->buffer[0] != 'f' ||
2445 c->buffer[1] != 'm') {
2446 http_log("Feed stream has become desynchronized -- disconnecting\n");
2451 if (c->buffer_ptr >= c->buffer_end) {
2452 FFStream *feed = c->stream;
2453 /* a packet has been received : write it in the store, except
2455 if (c->data_count > FFM_PACKET_SIZE) {
2457 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2458 /* XXX: use llseek or url_seek */
2459 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2460 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2461 http_log("Error writing to feed file: %s\n", strerror(errno));
2465 feed->feed_write_index += FFM_PACKET_SIZE;
2466 /* update file size */
2467 if (feed->feed_write_index > c->stream->feed_size)
2468 feed->feed_size = feed->feed_write_index;
2470 /* handle wrap around if max file size reached */
2471 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2472 feed->feed_write_index = FFM_PACKET_SIZE;
2475 ffm_write_write_index(c->feed_fd, feed->feed_write_index);
2477 /* wake up any waiting connections */
2478 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2479 if (c1->state == HTTPSTATE_WAIT_FEED &&
2480 c1->stream->feed == c->stream->feed)
2481 c1->state = HTTPSTATE_SEND_DATA;
2484 /* We have a header in our hands that contains useful data */
2485 AVFormatContext *s = NULL;
2487 AVInputFormat *fmt_in;
2490 /* use feed output format name to find corresponding input format */
2491 fmt_in = av_find_input_format(feed->fmt->name);
2495 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2496 pb->is_streamed = 1;
2498 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2503 /* Now we have the actual streams */
2504 if (s->nb_streams != feed->nb_streams) {
2505 av_close_input_stream(s);
2510 for (i = 0; i < s->nb_streams; i++)
2511 memcpy(feed->streams[i]->codec,
2512 s->streams[i]->codec, sizeof(AVCodecContext));
2514 av_close_input_stream(s);
2517 c->buffer_ptr = c->buffer;
2522 c->stream->feed_opened = 0;
2524 /* wake up any waiting connections to stop waiting for feed */
2525 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2526 if (c1->state == HTTPSTATE_WAIT_FEED &&
2527 c1->stream->feed == c->stream->feed)
2528 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2533 /********************************************************************/
2536 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2543 switch(error_number) {
2544 case RTSP_STATUS_OK:
2547 case RTSP_STATUS_METHOD:
2548 str = "Method Not Allowed";
2550 case RTSP_STATUS_BANDWIDTH:
2551 str = "Not Enough Bandwidth";
2553 case RTSP_STATUS_SESSION:
2554 str = "Session Not Found";
2556 case RTSP_STATUS_STATE:
2557 str = "Method Not Valid in This State";
2559 case RTSP_STATUS_AGGREGATE:
2560 str = "Aggregate operation not allowed";
2562 case RTSP_STATUS_ONLY_AGGREGATE:
2563 str = "Only aggregate operation allowed";
2565 case RTSP_STATUS_TRANSPORT:
2566 str = "Unsupported transport";
2568 case RTSP_STATUS_INTERNAL:
2569 str = "Internal Server Error";
2571 case RTSP_STATUS_SERVICE:
2572 str = "Service Unavailable";
2574 case RTSP_STATUS_VERSION:
2575 str = "RTSP Version not supported";
2578 str = "Unknown Error";
2582 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2583 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2585 /* output GMT time */
2589 p = buf2 + strlen(p) - 1;
2592 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2595 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2597 rtsp_reply_header(c, error_number);
2598 url_fprintf(c->pb, "\r\n");
2601 static int rtsp_parse_request(HTTPContext *c)
2603 const char *p, *p1, *p2;
2609 RTSPHeader header1, *header = &header1;
2611 c->buffer_ptr[0] = '\0';
2614 get_word(cmd, sizeof(cmd), &p);
2615 get_word(url, sizeof(url), &p);
2616 get_word(protocol, sizeof(protocol), &p);
2618 av_strlcpy(c->method, cmd, sizeof(c->method));
2619 av_strlcpy(c->url, url, sizeof(c->url));
2620 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2622 if (url_open_dyn_buf(&c->pb) < 0) {
2623 /* XXX: cannot do more */
2624 c->pb = NULL; /* safety */
2628 /* check version name */
2629 if (strcmp(protocol, "RTSP/1.0") != 0) {
2630 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2634 /* parse each header line */
2635 memset(header, 0, sizeof(RTSPHeader));
2636 /* skip to next line */
2637 while (*p != '\n' && *p != '\0')
2641 while (*p != '\0') {
2642 p1 = strchr(p, '\n');
2646 if (p2 > p && p2[-1] == '\r')
2648 /* skip empty line */
2652 if (len > sizeof(line) - 1)
2653 len = sizeof(line) - 1;
2654 memcpy(line, p, len);
2656 rtsp_parse_line(header, line);
2660 /* handle sequence number */
2661 c->seq = header->seq;
2663 if (!strcmp(cmd, "DESCRIBE"))
2664 rtsp_cmd_describe(c, url);
2665 else if (!strcmp(cmd, "OPTIONS"))
2666 rtsp_cmd_options(c, url);
2667 else if (!strcmp(cmd, "SETUP"))
2668 rtsp_cmd_setup(c, url, header);
2669 else if (!strcmp(cmd, "PLAY"))
2670 rtsp_cmd_play(c, url, header);
2671 else if (!strcmp(cmd, "PAUSE"))
2672 rtsp_cmd_pause(c, url, header);
2673 else if (!strcmp(cmd, "TEARDOWN"))
2674 rtsp_cmd_teardown(c, url, header);
2676 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2679 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2680 c->pb = NULL; /* safety */
2682 /* XXX: cannot do more */
2685 c->buffer_ptr = c->pb_buffer;
2686 c->buffer_end = c->pb_buffer + len;
2687 c->state = RTSPSTATE_SEND_REPLY;
2691 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2692 struct in_addr my_ip)
2694 AVFormatContext *avc;
2695 AVStream avs[MAX_STREAMS];
2698 avc = av_alloc_format_context();
2702 if (stream->title[0] != 0) {
2703 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2705 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2707 avc->nb_streams = stream->nb_streams;
2708 if (stream->is_multicast) {
2709 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2710 inet_ntoa(stream->multicast_ip),
2711 stream->multicast_port, stream->multicast_ttl);
2714 for(i = 0; i < stream->nb_streams; i++) {
2715 avc->streams[i] = &avs[i];
2716 avc->streams[i]->codec = stream->streams[i]->codec;
2718 *pbuffer = av_mallocz(2048);
2719 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2722 return strlen(*pbuffer);
2725 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2727 // rtsp_reply_header(c, RTSP_STATUS_OK);
2728 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2729 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2730 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2731 url_fprintf(c->pb, "\r\n");
2734 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2740 int content_length, len;
2741 struct sockaddr_in my_addr;
2743 /* find which url is asked */
2744 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2749 for(stream = first_stream; stream != NULL; stream = stream->next) {
2750 if (!stream->is_feed &&
2751 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2752 !strcmp(path, stream->filename)) {
2756 /* no stream found */
2757 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2761 /* prepare the media description in sdp format */
2763 /* get the host IP */
2764 len = sizeof(my_addr);
2765 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2766 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2767 if (content_length < 0) {
2768 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2771 rtsp_reply_header(c, RTSP_STATUS_OK);
2772 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2773 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2774 url_fprintf(c->pb, "\r\n");
2775 put_buffer(c->pb, content, content_length);
2778 static HTTPContext *find_rtp_session(const char *session_id)
2782 if (session_id[0] == '\0')
2785 for(c = first_http_ctx; c != NULL; c = c->next) {
2786 if (!strcmp(c->session_id, session_id))
2792 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2794 RTSPTransportField *th;
2797 for(i=0;i<h->nb_transports;i++) {
2798 th = &h->transports[i];
2799 if (th->protocol == protocol)
2805 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2809 int stream_index, port;
2814 RTSPTransportField *th;
2815 struct sockaddr_in dest_addr;
2816 RTSPActionServerSetup setup;
2818 /* find which url is asked */
2819 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2824 /* now check each stream */
2825 for(stream = first_stream; stream != NULL; stream = stream->next) {
2826 if (!stream->is_feed &&
2827 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2828 /* accept aggregate filenames only if single stream */
2829 if (!strcmp(path, stream->filename)) {
2830 if (stream->nb_streams != 1) {
2831 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2838 for(stream_index = 0; stream_index < stream->nb_streams;
2840 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2841 stream->filename, stream_index);
2842 if (!strcmp(path, buf))
2847 /* no stream found */
2848 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2852 /* generate session id if needed */
2853 if (h->session_id[0] == '\0')
2854 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2855 av_random(&random_state), av_random(&random_state));
2857 /* find rtp session, and create it if none found */
2858 rtp_c = find_rtp_session(h->session_id);
2860 /* always prefer UDP */
2861 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2863 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2865 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2870 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2873 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2877 /* open input stream */
2878 if (open_input_stream(rtp_c, "") < 0) {
2879 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2884 /* test if stream is OK (test needed because several SETUP needs
2885 to be done for a given file) */
2886 if (rtp_c->stream != stream) {
2887 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2891 /* test if stream is already set up */
2892 if (rtp_c->rtp_ctx[stream_index]) {
2893 rtsp_reply_error(c, RTSP_STATUS_STATE);
2897 /* check transport */
2898 th = find_transport(h, rtp_c->rtp_protocol);
2899 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2900 th->client_port_min <= 0)) {
2901 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2905 /* setup default options */
2906 setup.transport_option[0] = '\0';
2907 dest_addr = rtp_c->from_addr;
2908 dest_addr.sin_port = htons(th->client_port_min);
2911 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2912 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2916 /* now everything is OK, so we can send the connection parameters */
2917 rtsp_reply_header(c, RTSP_STATUS_OK);
2919 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2921 switch(rtp_c->rtp_protocol) {
2922 case RTSP_PROTOCOL_RTP_UDP:
2923 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2924 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2925 "client_port=%d-%d;server_port=%d-%d",
2926 th->client_port_min, th->client_port_min + 1,
2929 case RTSP_PROTOCOL_RTP_TCP:
2930 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2931 stream_index * 2, stream_index * 2 + 1);
2936 if (setup.transport_option[0] != '\0')
2937 url_fprintf(c->pb, ";%s", setup.transport_option);
2938 url_fprintf(c->pb, "\r\n");
2941 url_fprintf(c->pb, "\r\n");
2945 /* find an rtp connection by using the session ID. Check consistency
2947 static HTTPContext *find_rtp_session_with_url(const char *url,
2948 const char *session_id)
2956 rtp_c = find_rtp_session(session_id);
2960 /* find which url is asked */
2961 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2965 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2966 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2967 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2968 rtp_c->stream->filename, s);
2969 if(!strncmp(path, buf, sizeof(buf))) {
2970 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2977 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2981 rtp_c = find_rtp_session_with_url(url, h->session_id);
2983 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2987 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2988 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2989 rtp_c->state != HTTPSTATE_READY) {
2990 rtsp_reply_error(c, RTSP_STATUS_STATE);
2995 /* XXX: seek in stream */
2996 if (h->range_start != AV_NOPTS_VALUE) {
2997 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2998 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
3002 rtp_c->state = HTTPSTATE_SEND_DATA;
3004 /* now everything is OK, so we can send the connection parameters */
3005 rtsp_reply_header(c, RTSP_STATUS_OK);
3007 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3008 url_fprintf(c->pb, "\r\n");
3011 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3015 rtp_c = find_rtp_session_with_url(url, h->session_id);
3017 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3021 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3022 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3023 rtsp_reply_error(c, RTSP_STATUS_STATE);
3027 rtp_c->state = HTTPSTATE_READY;
3028 rtp_c->first_pts = AV_NOPTS_VALUE;
3029 /* now everything is OK, so we can send the connection parameters */
3030 rtsp_reply_header(c, RTSP_STATUS_OK);
3032 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3033 url_fprintf(c->pb, "\r\n");
3036 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3039 char session_id[32];
3041 rtp_c = find_rtp_session_with_url(url, h->session_id);
3043 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3047 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3049 /* abort the session */
3050 close_connection(rtp_c);
3052 /* now everything is OK, so we can send the connection parameters */
3053 rtsp_reply_header(c, RTSP_STATUS_OK);
3055 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3056 url_fprintf(c->pb, "\r\n");
3060 /********************************************************************/
3063 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3064 FFStream *stream, const char *session_id,
3065 enum RTSPProtocol rtp_protocol)
3067 HTTPContext *c = NULL;
3068 const char *proto_str;
3070 /* XXX: should output a warning page when coming
3071 close to the connection limit */
3072 if (nb_connections >= nb_max_connections)
3075 /* add a new connection */
3076 c = av_mallocz(sizeof(HTTPContext));
3081 c->poll_entry = NULL;
3082 c->from_addr = *from_addr;
3083 c->buffer_size = IOBUFFER_INIT_SIZE;
3084 c->buffer = av_malloc(c->buffer_size);
3089 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3090 c->state = HTTPSTATE_READY;
3091 c->is_packetized = 1;
3092 c->rtp_protocol = rtp_protocol;
3094 /* protocol is shown in statistics */
3095 switch(c->rtp_protocol) {
3096 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3097 proto_str = "MCAST";
3099 case RTSP_PROTOCOL_RTP_UDP:
3102 case RTSP_PROTOCOL_RTP_TCP:
3109 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3110 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3112 current_bandwidth += stream->bandwidth;
3114 c->next = first_http_ctx;
3126 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3127 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3129 static int rtp_new_av_stream(HTTPContext *c,
3130 int stream_index, struct sockaddr_in *dest_addr,
3131 HTTPContext *rtsp_c)
3133 AVFormatContext *ctx;
3136 URLContext *h = NULL;
3139 int max_packet_size;
3141 /* now we can open the relevant output stream */
3142 ctx = av_alloc_format_context();
3145 ctx->oformat = guess_format("rtp", NULL, NULL);
3147 st = av_mallocz(sizeof(AVStream));
3150 st->codec= avcodec_alloc_context();
3151 ctx->nb_streams = 1;
3152 ctx->streams[0] = st;
3154 if (!c->stream->feed ||
3155 c->stream->feed == c->stream)
3156 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3159 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3161 st->priv_data = NULL;
3163 /* build destination RTP address */
3164 ipaddr = inet_ntoa(dest_addr->sin_addr);
3166 switch(c->rtp_protocol) {
3167 case RTSP_PROTOCOL_RTP_UDP:
3168 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3171 /* XXX: also pass as parameter to function ? */
3172 if (c->stream->is_multicast) {
3174 ttl = c->stream->multicast_ttl;
3177 snprintf(ctx->filename, sizeof(ctx->filename),
3178 "rtp://%s:%d?multicast=1&ttl=%d",
3179 ipaddr, ntohs(dest_addr->sin_port), ttl);
3181 snprintf(ctx->filename, sizeof(ctx->filename),
3182 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3185 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3187 c->rtp_handles[stream_index] = h;
3188 max_packet_size = url_get_max_packet_size(h);
3190 case RTSP_PROTOCOL_RTP_TCP:
3193 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3199 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3200 ipaddr, ntohs(dest_addr->sin_port),
3202 c->stream->filename, stream_index, c->protocol);
3204 /* normally, no packets should be output here, but the packet size may be checked */
3205 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3206 /* XXX: close stream */
3209 av_set_parameters(ctx, NULL);
3210 if (av_write_header(ctx) < 0) {
3217 url_close_dyn_buf(ctx->pb, &dummy_buf);
3220 c->rtp_ctx[stream_index] = ctx;
3224 /********************************************************************/
3225 /* ffserver initialization */
3227 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3231 fst = av_mallocz(sizeof(AVStream));
3234 fst->codec= avcodec_alloc_context();
3235 fst->priv_data = av_mallocz(sizeof(FeedData));
3236 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3237 fst->index = stream->nb_streams;
3238 av_set_pts_info(fst, 33, 1, 90000);
3239 stream->streams[stream->nb_streams++] = fst;
3243 /* return the stream number in the feed */
3244 static int add_av_stream(FFStream *feed, AVStream *st)
3247 AVCodecContext *av, *av1;
3251 for(i=0;i<feed->nb_streams;i++) {
3252 st = feed->streams[i];
3254 if (av1->codec_id == av->codec_id &&
3255 av1->codec_type == av->codec_type &&
3256 av1->bit_rate == av->bit_rate) {
3258 switch(av->codec_type) {
3259 case CODEC_TYPE_AUDIO:
3260 if (av1->channels == av->channels &&
3261 av1->sample_rate == av->sample_rate)
3264 case CODEC_TYPE_VIDEO:
3265 if (av1->width == av->width &&
3266 av1->height == av->height &&
3267 av1->time_base.den == av->time_base.den &&
3268 av1->time_base.num == av->time_base.num &&
3269 av1->gop_size == av->gop_size)
3278 fst = add_av_stream1(feed, av);
3281 return feed->nb_streams - 1;
3286 static void remove_stream(FFStream *stream)
3290 while (*ps != NULL) {
3298 /* specific mpeg4 handling : we extract the raw parameters */
3299 static void extract_mpeg4_header(AVFormatContext *infile)
3301 int mpeg4_count, i, size;
3307 for(i=0;i<infile->nb_streams;i++) {
3308 st = infile->streams[i];
3309 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3310 st->codec->extradata_size == 0) {
3317 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3318 while (mpeg4_count > 0) {
3319 if (av_read_packet(infile, &pkt) < 0)
3321 st = infile->streams[pkt.stream_index];
3322 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3323 st->codec->extradata_size == 0) {
3324 av_freep(&st->codec->extradata);
3325 /* fill extradata with the header */
3326 /* XXX: we make hard suppositions here ! */
3328 while (p < pkt.data + pkt.size - 4) {
3329 /* stop when vop header is found */
3330 if (p[0] == 0x00 && p[1] == 0x00 &&
3331 p[2] == 0x01 && p[3] == 0xb6) {
3332 size = p - pkt.data;
3333 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3334 st->codec->extradata = av_malloc(size);
3335 st->codec->extradata_size = size;
3336 memcpy(st->codec->extradata, pkt.data, size);
3343 av_free_packet(&pkt);
3347 /* compute the needed AVStream for each file */
3348 static void build_file_streams(void)
3350 FFStream *stream, *stream_next;
3351 AVFormatContext *infile;
3354 /* gather all streams */
3355 for(stream = first_stream; stream != NULL; stream = stream_next) {
3356 stream_next = stream->next;
3357 if (stream->stream_type == STREAM_TYPE_LIVE &&
3359 /* the stream comes from a file */
3360 /* try to open the file */
3362 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3363 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3364 /* specific case : if transport stream output to RTP,
3365 we use a raw transport stream reader */
3366 stream->ap_in->mpeg2ts_raw = 1;
3367 stream->ap_in->mpeg2ts_compute_pcr = 1;
3370 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3371 stream->ifmt, 0, stream->ap_in)) < 0) {
3372 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3373 /* remove stream (no need to spend more time on it) */
3375 remove_stream(stream);
3377 /* find all the AVStreams inside and reference them in
3379 if (av_find_stream_info(infile) < 0) {
3380 http_log("Could not find codec parameters from '%s'\n",
3381 stream->feed_filename);
3382 av_close_input_file(infile);
3385 extract_mpeg4_header(infile);
3387 for(i=0;i<infile->nb_streams;i++)
3388 add_av_stream1(stream, infile->streams[i]->codec);
3390 av_close_input_file(infile);
3396 /* compute the needed AVStream for each feed */
3397 static void build_feed_streams(void)
3399 FFStream *stream, *feed;
3402 /* gather all streams */
3403 for(stream = first_stream; stream != NULL; stream = stream->next) {
3404 feed = stream->feed;
3406 if (!stream->is_feed) {
3407 /* we handle a stream coming from a feed */
3408 for(i=0;i<stream->nb_streams;i++)
3409 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3414 /* gather all streams */
3415 for(stream = first_stream; stream != NULL; stream = stream->next) {
3416 feed = stream->feed;
3418 if (stream->is_feed) {
3419 for(i=0;i<stream->nb_streams;i++)
3420 stream->feed_streams[i] = i;
3425 /* create feed files if needed */
3426 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3429 if (url_exist(feed->feed_filename)) {
3430 /* See if it matches */
3434 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3435 /* Now see if it matches */
3436 if (s->nb_streams == feed->nb_streams) {
3438 for(i=0;i<s->nb_streams;i++) {
3440 sf = feed->streams[i];
3443 if (sf->index != ss->index ||
3445 printf("Index & Id do not match for stream %d (%s)\n",
3446 i, feed->feed_filename);
3449 AVCodecContext *ccf, *ccs;
3453 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3455 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3456 printf("Codecs do not match for stream %d\n", i);
3458 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3459 printf("Codec bitrates do not match for stream %d\n", i);
3461 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3462 if (CHECK_CODEC(time_base.den) ||
3463 CHECK_CODEC(time_base.num) ||
3464 CHECK_CODEC(width) ||
3465 CHECK_CODEC(height)) {
3466 printf("Codec width, height and framerate do not match for stream %d\n", i);
3469 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3470 if (CHECK_CODEC(sample_rate) ||
3471 CHECK_CODEC(channels) ||
3472 CHECK_CODEC(frame_size)) {
3473 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3477 printf("Unknown codec type\n");
3485 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3486 feed->feed_filename, s->nb_streams, feed->nb_streams);
3488 av_close_input_file(s);
3490 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3491 feed->feed_filename);
3494 if (feed->readonly) {
3495 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3496 feed->feed_filename);
3499 unlink(feed->feed_filename);
3502 if (!url_exist(feed->feed_filename)) {
3503 AVFormatContext s1, *s = &s1;
3505 if (feed->readonly) {
3506 printf("Unable to create feed file '%s' as it is marked readonly\n",
3507 feed->feed_filename);
3511 /* only write the header of the ffm file */
3512 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3513 http_log("Could not open output feed file '%s'\n",
3514 feed->feed_filename);
3517 s->oformat = feed->fmt;
3518 s->nb_streams = feed->nb_streams;
3519 for(i=0;i<s->nb_streams;i++) {
3521 st = feed->streams[i];
3524 av_set_parameters(s, NULL);
3525 if (av_write_header(s) < 0) {
3526 http_log("Container doesn't supports the required parameters\n");
3529 /* XXX: need better api */
3530 av_freep(&s->priv_data);
3533 /* get feed size and write index */
3534 fd = open(feed->feed_filename, O_RDONLY);
3536 http_log("Could not open output feed file '%s'\n",
3537 feed->feed_filename);
3541 feed->feed_write_index = ffm_read_write_index(fd);
3542 feed->feed_size = lseek(fd, 0, SEEK_END);
3543 /* ensure that we do not wrap before the end of file */
3544 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3545 feed->feed_max_size = feed->feed_size;
3551 /* compute the bandwidth used by each stream */
3552 static void compute_bandwidth(void)
3558 for(stream = first_stream; stream != NULL; stream = stream->next) {
3560 for(i=0;i<stream->nb_streams;i++) {
3561 AVStream *st = stream->streams[i];
3562 switch(st->codec->codec_type) {
3563 case CODEC_TYPE_AUDIO:
3564 case CODEC_TYPE_VIDEO:
3565 bandwidth += st->codec->bit_rate;
3571 stream->bandwidth = (bandwidth + 999) / 1000;
3575 static void get_arg(char *buf, int buf_size, const char **pp)
3582 while (isspace(*p)) p++;
3585 if (*p == '\"' || *p == '\'')
3597 if ((q - buf) < buf_size - 1)
3602 if (quote && *p == quote)
3607 /* add a codec and set the default parameters */
3608 static void add_codec(FFStream *stream, AVCodecContext *av)
3612 /* compute default parameters */
3613 switch(av->codec_type) {
3614 case CODEC_TYPE_AUDIO:
3615 if (av->bit_rate == 0)
3616 av->bit_rate = 64000;
3617 if (av->sample_rate == 0)
3618 av->sample_rate = 22050;
3619 if (av->channels == 0)
3622 case CODEC_TYPE_VIDEO:
3623 if (av->bit_rate == 0)
3624 av->bit_rate = 64000;
3625 if (av->time_base.num == 0){
3626 av->time_base.den = 5;
3627 av->time_base.num = 1;
3629 if (av->width == 0 || av->height == 0) {
3633 /* Bitrate tolerance is less for streaming */
3634 if (av->bit_rate_tolerance == 0)
3635 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3636 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3641 if (av->max_qdiff == 0)
3643 av->qcompress = 0.5;
3646 if (!av->nsse_weight)
3647 av->nsse_weight = 8;
3649 av->frame_skip_cmp = FF_CMP_DCTMAX;
3650 av->me_method = ME_EPZS;
3651 av->rc_buffer_aggressivity = 1.0;
3654 av->rc_eq = "tex^qComp";
3655 if (!av->i_quant_factor)
3656 av->i_quant_factor = -0.8;
3657 if (!av->b_quant_factor)
3658 av->b_quant_factor = 1.25;
3659 if (!av->b_quant_offset)
3660 av->b_quant_offset = 1.25;
3661 if (!av->rc_max_rate)
3662 av->rc_max_rate = av->bit_rate * 2;
3664 if (av->rc_max_rate && !av->rc_buffer_size) {
3665 av->rc_buffer_size = av->rc_max_rate;
3674 st = av_mallocz(sizeof(AVStream));
3677 st->codec = avcodec_alloc_context();
3678 stream->streams[stream->nb_streams++] = st;
3679 memcpy(st->codec, av, sizeof(AVCodecContext));
3682 static int opt_audio_codec(const char *arg)
3684 AVCodec *p= avcodec_find_encoder_by_name(arg);
3686 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3687 return CODEC_ID_NONE;
3692 static int opt_video_codec(const char *arg)
3694 AVCodec *p= avcodec_find_encoder_by_name(arg);
3696 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3697 return CODEC_ID_NONE;
3702 /* simplistic plugin support */
3705 static void load_module(const char *filename)
3708 void (*init_func)(void);
3709 dll = dlopen(filename, RTLD_NOW);
3711 fprintf(stderr, "Could not load module '%s' - %s\n",
3712 filename, dlerror());
3716 init_func = dlsym(dll, "ffserver_module_init");
3719 "%s: init function 'ffserver_module_init()' not found\n",
3728 static int opt_default(const char *opt, const char *arg,
3729 AVCodecContext *avctx, int type)
3731 const AVOption *o = NULL;
3732 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3734 o = av_set_string(avctx, opt, arg);
3740 static int parse_ffconfig(const char *filename)
3747 int val, errors, line_num;
3748 FFStream **last_stream, *stream, *redirect;
3749 FFStream **last_feed, *feed;
3750 AVCodecContext audio_enc, video_enc;
3751 int audio_id, video_id;
3753 f = fopen(filename, "r");
3761 first_stream = NULL;
3762 last_stream = &first_stream;
3764 last_feed = &first_feed;
3768 audio_id = CODEC_ID_NONE;
3769 video_id = CODEC_ID_NONE;
3771 if (fgets(line, sizeof(line), f) == NULL)
3777 if (*p == '\0' || *p == '#')
3780 get_arg(cmd, sizeof(cmd), &p);
3782 if (!strcasecmp(cmd, "Port")) {
3783 get_arg(arg, sizeof(arg), &p);
3785 if (val < 1 || val > 65536) {
3786 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3787 filename, line_num, arg);
3790 my_http_addr.sin_port = htons(val);
3791 } else if (!strcasecmp(cmd, "BindAddress")) {
3792 get_arg(arg, sizeof(arg), &p);
3793 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3794 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3795 filename, line_num, arg);
3798 } else if (!strcasecmp(cmd, "NoDaemon")) {
3799 ffserver_daemon = 0;
3800 } else if (!strcasecmp(cmd, "RTSPPort")) {
3801 get_arg(arg, sizeof(arg), &p);
3803 if (val < 1 || val > 65536) {
3804 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3805 filename, line_num, arg);
3808 my_rtsp_addr.sin_port = htons(atoi(arg));
3809 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3810 get_arg(arg, sizeof(arg), &p);
3811 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3812 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3813 filename, line_num, arg);
3816 } else if (!strcasecmp(cmd, "MaxClients")) {
3817 get_arg(arg, sizeof(arg), &p);
3819 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3820 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3821 filename, line_num, arg);
3824 nb_max_connections = val;
3826 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3828 get_arg(arg, sizeof(arg), &p);
3830 if (llval < 10 || llval > 10000000) {
3831 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3832 filename, line_num, arg);
3835 max_bandwidth = llval;
3836 } else if (!strcasecmp(cmd, "CustomLog")) {
3837 if (!ffserver_debug)
3838 get_arg(logfilename, sizeof(logfilename), &p);
3839 } else if (!strcasecmp(cmd, "<Feed")) {
3840 /*********************************************/
3841 /* Feed related options */
3843 if (stream || feed) {
3844 fprintf(stderr, "%s:%d: Already in a tag\n",
3845 filename, line_num);
3847 feed = av_mallocz(sizeof(FFStream));
3848 /* add in stream list */
3849 *last_stream = feed;
3850 last_stream = &feed->next;
3851 /* add in feed list */
3853 last_feed = &feed->next_feed;
3855 get_arg(feed->filename, sizeof(feed->filename), &p);
3856 q = strrchr(feed->filename, '>');
3859 feed->fmt = guess_format("ffm", NULL, NULL);
3860 /* defaut feed file */
3861 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3862 "/tmp/%s.ffm", feed->filename);
3863 feed->feed_max_size = 5 * 1024 * 1024;
3865 feed->feed = feed; /* self feeding :-) */
3867 } else if (!strcasecmp(cmd, "Launch")) {
3871 feed->child_argv = av_mallocz(64 * sizeof(char *));
3873 for (i = 0; i < 62; i++) {
3874 get_arg(arg, sizeof(arg), &p);
3878 feed->child_argv[i] = av_strdup(arg);
3881 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3883 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3885 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3886 inet_ntoa(my_http_addr.sin_addr),
3887 ntohs(my_http_addr.sin_port), feed->filename);
3892 fprintf(stdout, "Launch commandline: ");
3893 for (j = 0; j <= i; j++)
3894 fprintf(stdout, "%s ", feed->child_argv[j]);
3895 fprintf(stdout, "\n");
3898 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3900 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3902 } else if (stream) {
3903 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3905 } else if (!strcasecmp(cmd, "File")) {
3907 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3909 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3910 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3915 get_arg(arg, sizeof(arg), &p);
3917 fsize = strtod(p1, &p1);
3918 switch(toupper(*p1)) {
3923 fsize *= 1024 * 1024;
3926 fsize *= 1024 * 1024 * 1024;
3929 feed->feed_max_size = (int64_t)fsize;
3931 } else if (!strcasecmp(cmd, "</Feed>")) {
3933 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3934 filename, line_num);
3938 } else if (!strcasecmp(cmd, "<Stream")) {
3939 /*********************************************/
3940 /* Stream related options */
3942 if (stream || feed) {
3943 fprintf(stderr, "%s:%d: Already in a tag\n",
3944 filename, line_num);
3946 const AVClass *class;
3947 stream = av_mallocz(sizeof(FFStream));
3948 *last_stream = stream;
3949 last_stream = &stream->next;
3951 get_arg(stream->filename, sizeof(stream->filename), &p);
3952 q = strrchr(stream->filename, '>');
3955 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3956 /* fetch avclass so AVOption works
3957 * FIXME try to use avcodec_get_context_defaults2
3958 * without changing defaults too much */
3959 avcodec_get_context_defaults(&video_enc);
3960 class = video_enc.av_class;
3961 memset(&audio_enc, 0, sizeof(AVCodecContext));
3962 memset(&video_enc, 0, sizeof(AVCodecContext));
3963 audio_enc.av_class = class;
3964 video_enc.av_class = class;
3965 audio_id = CODEC_ID_NONE;
3966 video_id = CODEC_ID_NONE;
3968 audio_id = stream->fmt->audio_codec;
3969 video_id = stream->fmt->video_codec;
3972 } else if (!strcasecmp(cmd, "Feed")) {
3973 get_arg(arg, sizeof(arg), &p);
3978 while (sfeed != NULL) {
3979 if (!strcmp(sfeed->filename, arg))
3981 sfeed = sfeed->next_feed;
3984 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3985 filename, line_num, arg);
3987 stream->feed = sfeed;
3989 } else if (!strcasecmp(cmd, "Format")) {
3990 get_arg(arg, sizeof(arg), &p);
3992 if (!strcmp(arg, "status")) {
3993 stream->stream_type = STREAM_TYPE_STATUS;
3996 stream->stream_type = STREAM_TYPE_LIVE;
3997 /* jpeg cannot be used here, so use single frame jpeg */
3998 if (!strcmp(arg, "jpeg"))
3999 strcpy(arg, "mjpeg");
4000 stream->fmt = guess_stream_format(arg, NULL, NULL);
4002 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
4003 filename, line_num, arg);
4008 audio_id = stream->fmt->audio_codec;
4009 video_id = stream->fmt->video_codec;
4012 } else if (!strcasecmp(cmd, "InputFormat")) {
4013 get_arg(arg, sizeof(arg), &p);
4014 stream->ifmt = av_find_input_format(arg);
4015 if (!stream->ifmt) {
4016 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4017 filename, line_num, arg);
4019 } else if (!strcasecmp(cmd, "FaviconURL")) {
4020 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4021 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4023 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4024 filename, line_num);
4027 } else if (!strcasecmp(cmd, "Author")) {
4029 get_arg(stream->author, sizeof(stream->author), &p);
4030 } else if (!strcasecmp(cmd, "Comment")) {
4032 get_arg(stream->comment, sizeof(stream->comment), &p);
4033 } else if (!strcasecmp(cmd, "Copyright")) {
4035 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4036 } else if (!strcasecmp(cmd, "Title")) {
4038 get_arg(stream->title, sizeof(stream->title), &p);
4039 } else if (!strcasecmp(cmd, "Preroll")) {
4040 get_arg(arg, sizeof(arg), &p);
4042 stream->prebuffer = atof(arg) * 1000;
4043 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4045 stream->send_on_key = 1;
4046 } else if (!strcasecmp(cmd, "AudioCodec")) {
4047 get_arg(arg, sizeof(arg), &p);
4048 audio_id = opt_audio_codec(arg);
4049 if (audio_id == CODEC_ID_NONE) {
4050 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4051 filename, line_num, arg);
4054 } else if (!strcasecmp(cmd, "VideoCodec")) {
4055 get_arg(arg, sizeof(arg), &p);
4056 video_id = opt_video_codec(arg);
4057 if (video_id == CODEC_ID_NONE) {
4058 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4059 filename, line_num, arg);
4062 } else if (!strcasecmp(cmd, "MaxTime")) {
4063 get_arg(arg, sizeof(arg), &p);
4065 stream->max_time = atof(arg) * 1000;
4066 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4067 get_arg(arg, sizeof(arg), &p);
4069 audio_enc.bit_rate = atoi(arg) * 1000;
4070 } else if (!strcasecmp(cmd, "AudioChannels")) {
4071 get_arg(arg, sizeof(arg), &p);
4073 audio_enc.channels = atoi(arg);
4074 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4075 get_arg(arg, sizeof(arg), &p);
4077 audio_enc.sample_rate = atoi(arg);
4078 } else if (!strcasecmp(cmd, "AudioQuality")) {
4079 get_arg(arg, sizeof(arg), &p);
4081 // audio_enc.quality = atof(arg) * 1000;
4083 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4085 int minrate, maxrate;
4087 get_arg(arg, sizeof(arg), &p);
4089 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4090 video_enc.rc_min_rate = minrate * 1000;
4091 video_enc.rc_max_rate = maxrate * 1000;
4093 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4094 filename, line_num, arg);
4098 } else if (!strcasecmp(cmd, "Debug")) {
4100 get_arg(arg, sizeof(arg), &p);
4101 video_enc.debug = strtol(arg,0,0);
4103 } else if (!strcasecmp(cmd, "Strict")) {
4105 get_arg(arg, sizeof(arg), &p);
4106 video_enc.strict_std_compliance = atoi(arg);
4108 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4110 get_arg(arg, sizeof(arg), &p);
4111 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4113 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4115 get_arg(arg, sizeof(arg), &p);
4116 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4118 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4119 get_arg(arg, sizeof(arg), &p);
4121 video_enc.bit_rate = atoi(arg) * 1000;
4123 } else if (!strcasecmp(cmd, "VideoSize")) {
4124 get_arg(arg, sizeof(arg), &p);
4126 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4127 if ((video_enc.width % 16) != 0 ||
4128 (video_enc.height % 16) != 0) {
4129 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4130 filename, line_num);
4134 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4135 get_arg(arg, sizeof(arg), &p);
4137 AVRational frame_rate;
4138 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4139 fprintf(stderr, "Incorrect frame rate\n");
4142 video_enc.time_base.num = frame_rate.den;
4143 video_enc.time_base.den = frame_rate.num;
4146 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4147 get_arg(arg, sizeof(arg), &p);
4149 video_enc.gop_size = atoi(arg);
4150 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4152 video_enc.gop_size = 1;
4153 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4155 video_enc.mb_decision = FF_MB_DECISION_BITS;
4156 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4158 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4159 video_enc.flags |= CODEC_FLAG_4MV;
4161 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4162 !strcasecmp(cmd, "AVOptionAudio")) {
4164 AVCodecContext *avctx;
4166 get_arg(arg, sizeof(arg), &p);
4167 get_arg(arg2, sizeof(arg2), &p);
4168 if (!strcasecmp(cmd, "AVOptionVideo")) {
4170 type = AV_OPT_FLAG_VIDEO_PARAM;
4173 type = AV_OPT_FLAG_AUDIO_PARAM;
4175 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4176 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4179 } else if (!strcasecmp(cmd, "VideoTag")) {
4180 get_arg(arg, sizeof(arg), &p);
4181 if ((strlen(arg) == 4) && stream)
4182 video_enc.codec_tag = ff_get_fourcc(arg);
4183 } else if (!strcasecmp(cmd, "BitExact")) {
4185 video_enc.flags |= CODEC_FLAG_BITEXACT;
4186 } else if (!strcasecmp(cmd, "DctFastint")) {
4188 video_enc.dct_algo = FF_DCT_FASTINT;
4189 } else if (!strcasecmp(cmd, "IdctSimple")) {
4191 video_enc.idct_algo = FF_IDCT_SIMPLE;
4192 } else if (!strcasecmp(cmd, "Qscale")) {
4193 get_arg(arg, sizeof(arg), &p);
4195 video_enc.flags |= CODEC_FLAG_QSCALE;
4196 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4198 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4199 get_arg(arg, sizeof(arg), &p);
4201 video_enc.max_qdiff = atoi(arg);
4202 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4203 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4204 filename, line_num);
4208 } else if (!strcasecmp(cmd, "VideoQMax")) {
4209 get_arg(arg, sizeof(arg), &p);
4211 video_enc.qmax = atoi(arg);
4212 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4213 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4214 filename, line_num);
4218 } else if (!strcasecmp(cmd, "VideoQMin")) {
4219 get_arg(arg, sizeof(arg), &p);
4221 video_enc.qmin = atoi(arg);
4222 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4223 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4224 filename, line_num);
4228 } else if (!strcasecmp(cmd, "LumaElim")) {
4229 get_arg(arg, sizeof(arg), &p);
4231 video_enc.luma_elim_threshold = atoi(arg);
4232 } else if (!strcasecmp(cmd, "ChromaElim")) {
4233 get_arg(arg, sizeof(arg), &p);
4235 video_enc.chroma_elim_threshold = atoi(arg);
4236 } else if (!strcasecmp(cmd, "LumiMask")) {
4237 get_arg(arg, sizeof(arg), &p);
4239 video_enc.lumi_masking = atof(arg);
4240 } else if (!strcasecmp(cmd, "DarkMask")) {
4241 get_arg(arg, sizeof(arg), &p);
4243 video_enc.dark_masking = atof(arg);
4244 } else if (!strcasecmp(cmd, "NoVideo")) {
4245 video_id = CODEC_ID_NONE;
4246 } else if (!strcasecmp(cmd, "NoAudio")) {
4247 audio_id = CODEC_ID_NONE;
4248 } else if (!strcasecmp(cmd, "ACL")) {
4251 get_arg(arg, sizeof(arg), &p);
4252 if (strcasecmp(arg, "allow") == 0)
4253 acl.action = IP_ALLOW;
4254 else if (strcasecmp(arg, "deny") == 0)
4255 acl.action = IP_DENY;
4257 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4258 filename, line_num, arg);
4262 get_arg(arg, sizeof(arg), &p);
4264 if (resolve_host(&acl.first, arg) != 0) {
4265 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4266 filename, line_num, arg);
4269 acl.last = acl.first;
4271 get_arg(arg, sizeof(arg), &p);
4274 if (resolve_host(&acl.last, arg) != 0) {
4275 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4276 filename, line_num, arg);
4282 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4283 IPAddressACL **naclp = 0;
4289 naclp = &stream->acl;
4293 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4294 filename, line_num);
4300 naclp = &(*naclp)->next;
4305 } else if (!strcasecmp(cmd, "RTSPOption")) {
4306 get_arg(arg, sizeof(arg), &p);
4308 av_freep(&stream->rtsp_option);
4309 stream->rtsp_option = av_strdup(arg);
4311 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4312 get_arg(arg, sizeof(arg), &p);
4314 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4315 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4316 filename, line_num, arg);
4319 stream->is_multicast = 1;
4320 stream->loop = 1; /* default is looping */
4322 } else if (!strcasecmp(cmd, "MulticastPort")) {
4323 get_arg(arg, sizeof(arg), &p);
4325 stream->multicast_port = atoi(arg);
4326 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4327 get_arg(arg, sizeof(arg), &p);
4329 stream->multicast_ttl = atoi(arg);
4330 } else if (!strcasecmp(cmd, "NoLoop")) {
4333 } else if (!strcasecmp(cmd, "</Stream>")) {
4335 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4336 filename, line_num);
4339 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4340 if (audio_id != CODEC_ID_NONE) {
4341 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4342 audio_enc.codec_id = audio_id;
4343 add_codec(stream, &audio_enc);
4345 if (video_id != CODEC_ID_NONE) {
4346 video_enc.codec_type = CODEC_TYPE_VIDEO;
4347 video_enc.codec_id = video_id;
4348 add_codec(stream, &video_enc);
4353 } else if (!strcasecmp(cmd, "<Redirect")) {
4354 /*********************************************/
4356 if (stream || feed || redirect) {
4357 fprintf(stderr, "%s:%d: Already in a tag\n",
4358 filename, line_num);
4361 redirect = av_mallocz(sizeof(FFStream));
4362 *last_stream = redirect;
4363 last_stream = &redirect->next;
4365 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4366 q = strrchr(redirect->filename, '>');
4369 redirect->stream_type = STREAM_TYPE_REDIRECT;
4371 } else if (!strcasecmp(cmd, "URL")) {
4373 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4374 } else if (!strcasecmp(cmd, "</Redirect>")) {
4376 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4377 filename, line_num);
4380 if (!redirect->feed_filename[0]) {
4381 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4382 filename, line_num);
4387 } else if (!strcasecmp(cmd, "LoadModule")) {
4388 get_arg(arg, sizeof(arg), &p);
4392 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4393 filename, line_num, arg);
4397 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4398 filename, line_num, cmd);
4410 static void handle_child_exit(int sig)
4415 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4418 for (feed = first_feed; feed; feed = feed->next) {
4419 if (feed->pid == pid) {
4420 int uptime = time(0) - feed->pid_start;
4423 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4426 /* Turn off any more restarts */
4427 feed->child_argv = 0;
4432 need_to_start_children = 1;
4435 static void opt_debug()
4438 ffserver_daemon = 0;
4439 logfilename[0] = '-';
4442 static void opt_show_help(void)
4444 printf("usage: ffserver [options]\n"
4445 "Hyper fast multi format Audio/Video streaming server\n");
4447 show_help_options(options, "Main options:\n", 0, 0);
4450 static const OptionDef options[] = {
4451 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4452 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4453 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4454 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4455 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4456 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4457 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4461 int main(int argc, char **argv)
4463 struct sigaction sigact;
4469 config_filename = "/etc/ffserver.conf";
4471 my_program_name = argv[0];
4472 my_program_dir = getcwd(0, 0);
4473 ffserver_daemon = 1;
4475 parse_options(argc, argv, options, NULL);
4477 unsetenv("http_proxy"); /* Kill the http_proxy */
4479 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4481 memset(&sigact, 0, sizeof(sigact));
4482 sigact.sa_handler = handle_child_exit;
4483 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4484 sigaction(SIGCHLD, &sigact, 0);
4486 if (parse_ffconfig(config_filename) < 0) {
4487 fprintf(stderr, "Incorrect config file - exiting.\n");
4491 build_file_streams();
4493 build_feed_streams();
4495 compute_bandwidth();
4497 /* put the process in background and detach it from its TTY */
4498 if (ffserver_daemon) {
4505 } else if (pid > 0) {
4513 open("/dev/null", O_RDWR);
4514 if (strcmp(logfilename, "-") != 0) {
4524 signal(SIGPIPE, SIG_IGN);
4526 /* open log file if needed */
4527 if (logfilename[0] != '\0') {
4528 if (!strcmp(logfilename, "-"))
4531 logfile = fopen(logfilename, "a");
4532 av_log_set_callback(http_av_log);
4535 if (http_server() < 0) {
4536 http_log("Could not start server\n");