2 * Multiple format streaming server
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef HAVE_CLOSESOCKET
24 #define closesocket close
28 #include "libavutil/random.h"
29 #include "libavutil/avstring.h"
30 #include "libavformat/avformat.h"
31 #include "libavformat/network.h"
32 #include "libavformat/os_support.h"
33 #include "libavformat/rtp.h"
34 #include "libavformat/rtsp.h"
35 #include "libavcodec/opt.h"
39 #include <sys/ioctl.h>
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
57 const char program_name[] = "FFserver";
58 const int program_birth_year = 2000;
60 static const OptionDef options[];
62 /* maximum number of simultaneous HTTP connections */
63 #define HTTP_MAX_CONNECTIONS 2000
66 HTTPSTATE_WAIT_REQUEST,
67 HTTPSTATE_SEND_HEADER,
68 HTTPSTATE_SEND_DATA_HEADER,
69 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
70 HTTPSTATE_SEND_DATA_TRAILER,
71 HTTPSTATE_RECEIVE_DATA,
72 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
75 RTSPSTATE_WAIT_REQUEST,
77 RTSPSTATE_SEND_PACKET,
80 static const char *http_state[] = {
96 #define IOBUFFER_INIT_SIZE 8192
98 /* timeouts are in ms */
99 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
100 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
102 #define SYNC_TIMEOUT (10 * 1000)
105 int64_t count1, count2;
106 int64_t time1, time2;
109 /* context associated with one connection */
110 typedef struct HTTPContext {
111 enum HTTPState state;
112 int fd; /* socket file descriptor */
113 struct sockaddr_in from_addr; /* origin */
114 struct pollfd *poll_entry; /* used when polling */
116 uint8_t *buffer_ptr, *buffer_end;
119 struct HTTPContext *next;
120 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
124 /* input format handling */
125 AVFormatContext *fmt_in;
126 int64_t start_time; /* In milliseconds - this wraps fairly often */
127 int64_t first_pts; /* initial pts value */
128 int64_t cur_pts; /* current pts value from the stream in us */
129 int64_t cur_frame_duration; /* duration of the current frame in us */
130 int cur_frame_bytes; /* output frame size, needed to compute
131 the time at which we send each
133 int pts_stream_index; /* stream we choose as clock reference */
134 int64_t cur_clock; /* current clock reference value in us */
135 /* output format handling */
136 struct FFStream *stream;
137 /* -1 is invalid stream */
138 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
139 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
141 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
142 int last_packet_sent; /* true if last data packet was sent */
144 DataRateData datarate;
151 int is_packetized; /* if true, the stream is packetized */
152 int packet_stream_index; /* current stream for output in state machine */
154 /* RTSP state specific */
155 uint8_t *pb_buffer; /* XXX: use that in all the code */
157 int seq; /* RTSP sequence number */
159 /* RTP state specific */
160 enum RTSPProtocol rtp_protocol;
161 char session_id[32]; /* session id */
162 AVFormatContext *rtp_ctx[MAX_STREAMS];
164 /* RTP/UDP specific */
165 URLContext *rtp_handles[MAX_STREAMS];
167 /* RTP/TCP specific */
168 struct HTTPContext *rtsp_c;
169 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
172 /* each generated stream is described here */
176 STREAM_TYPE_REDIRECT,
179 enum IPAddressAction {
184 typedef struct IPAddressACL {
185 struct IPAddressACL *next;
186 enum IPAddressAction action;
187 /* These are in host order */
188 struct in_addr first;
192 /* description of each stream of the ffserver.conf file */
193 typedef struct FFStream {
194 enum StreamType stream_type;
195 char filename[1024]; /* stream filename */
196 struct FFStream *feed; /* feed we are using (can be null if
198 AVFormatParameters *ap_in; /* input parameters */
199 AVInputFormat *ifmt; /* if non NULL, force input format */
203 int prebuffer; /* Number of millseconds early to start */
204 int64_t max_time; /* Number of milliseconds to run */
206 AVStream *streams[MAX_STREAMS];
207 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
208 char feed_filename[1024]; /* file name of the feed storage, or
209 input file name for a stream */
214 pid_t pid; /* Of ffmpeg process */
215 time_t pid_start; /* Of ffmpeg process */
217 struct FFStream *next;
218 unsigned bandwidth; /* bandwidth, in kbits/s */
221 /* multicast specific */
223 struct in_addr multicast_ip;
224 int multicast_port; /* first port used for multicast */
226 int loop; /* if true, send the stream in loops (only meaningful if file) */
229 int feed_opened; /* true if someone is writing to the feed */
230 int is_feed; /* true if it is a feed */
231 int readonly; /* True if writing is prohibited to the file */
233 int64_t bytes_served;
234 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
235 int64_t feed_write_index; /* current write position in feed (it wraps around) */
236 int64_t feed_size; /* current size of feed */
237 struct FFStream *next_feed;
240 typedef struct FeedData {
241 long long data_count;
242 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
245 static struct sockaddr_in my_http_addr;
246 static struct sockaddr_in my_rtsp_addr;
248 static char logfilename[1024];
249 static HTTPContext *first_http_ctx;
250 static FFStream *first_feed; /* contains only feeds */
251 static FFStream *first_stream; /* contains all streams, including feeds */
253 static void new_connection(int server_fd, int is_rtsp);
254 static void close_connection(HTTPContext *c);
257 static int handle_connection(HTTPContext *c);
258 static int http_parse_request(HTTPContext *c);
259 static int http_send_data(HTTPContext *c);
260 static void compute_status(HTTPContext *c);
261 static int open_input_stream(HTTPContext *c, const char *info);
262 static int http_start_receive_data(HTTPContext *c);
263 static int http_receive_data(HTTPContext *c);
266 static int rtsp_parse_request(HTTPContext *c);
267 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
268 static void rtsp_cmd_options(HTTPContext *c, const char *url);
269 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
270 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
271 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
272 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
275 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
276 struct in_addr my_ip);
279 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
280 FFStream *stream, const char *session_id,
281 enum RTSPProtocol rtp_protocol);
282 static int rtp_new_av_stream(HTTPContext *c,
283 int stream_index, struct sockaddr_in *dest_addr,
284 HTTPContext *rtsp_c);
286 static const char *my_program_name;
287 static const char *my_program_dir;
289 static const char *config_filename;
290 static int ffserver_debug;
291 static int ffserver_daemon;
292 static int no_launch;
293 static int need_to_start_children;
295 static int nb_max_connections = 5;
296 static int nb_connections;
298 static uint64_t max_bandwidth = 1000;
299 static uint64_t current_bandwidth;
301 static int64_t cur_time; // Making this global saves on passing it around everywhere
303 static AVRandomState random_state;
305 static FILE *logfile = NULL;
307 static char *ctime1(char *buf2)
315 p = buf2 + strlen(p) - 1;
321 static void http_vlog(const char *fmt, va_list vargs)
323 static int print_prefix = 1;
328 fprintf(logfile, "%s ", buf);
330 print_prefix = strstr(fmt, "\n") != NULL;
331 vfprintf(logfile, fmt, vargs);
336 void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
339 va_start(vargs, fmt);
340 http_vlog(fmt, vargs);
344 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
346 static int print_prefix = 1;
347 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
348 if (level > av_log_level)
350 if (print_prefix && avc)
351 http_log("[%s @ %p]", avc->item_name(ptr), avc);
352 print_prefix = strstr(fmt, "\n") != NULL;
353 http_vlog(fmt, vargs);
356 static void log_connection(HTTPContext *c)
361 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
362 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
363 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
366 static void update_datarate(DataRateData *drd, int64_t count)
368 if (!drd->time1 && !drd->count1) {
369 drd->time1 = drd->time2 = cur_time;
370 drd->count1 = drd->count2 = count;
371 } else if (cur_time - drd->time2 > 5000) {
372 drd->time1 = drd->time2;
373 drd->count1 = drd->count2;
374 drd->time2 = cur_time;
379 /* In bytes per second */
380 static int compute_datarate(DataRateData *drd, int64_t count)
382 if (cur_time == drd->time1)
385 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
389 static void start_children(FFStream *feed)
394 for (; feed; feed = feed->next) {
395 if (feed->child_argv && !feed->pid) {
396 feed->pid_start = time(0);
401 http_log("Unable to create children\n");
410 for (i = 3; i < 256; i++)
413 if (!ffserver_debug) {
414 i = open("/dev/null", O_RDWR);
423 av_strlcpy(pathname, my_program_name, sizeof(pathname));
425 slash = strrchr(pathname, '/');
430 strcpy(slash, "ffmpeg");
432 /* This is needed to make relative pathnames work */
433 chdir(my_program_dir);
435 signal(SIGPIPE, SIG_DFL);
437 execvp(pathname, feed->child_argv);
445 /* open a listening socket */
446 static int socket_open_listen(struct sockaddr_in *my_addr)
450 server_fd = socket(AF_INET,SOCK_STREAM,0);
457 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
459 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
461 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
463 closesocket(server_fd);
467 if (listen (server_fd, 5) < 0) {
469 closesocket(server_fd);
472 ff_socket_nonblock(server_fd, 1);
477 /* start all multicast streams */
478 static void start_multicast(void)
483 struct sockaddr_in dest_addr;
484 int default_port, stream_index;
487 for(stream = first_stream; stream != NULL; stream = stream->next) {
488 if (stream->is_multicast) {
489 /* open the RTP connection */
490 snprintf(session_id, sizeof(session_id), "%08x%08x",
491 av_random(&random_state), av_random(&random_state));
493 /* choose a port if none given */
494 if (stream->multicast_port == 0) {
495 stream->multicast_port = default_port;
499 dest_addr.sin_family = AF_INET;
500 dest_addr.sin_addr = stream->multicast_ip;
501 dest_addr.sin_port = htons(stream->multicast_port);
503 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
504 RTSP_PROTOCOL_RTP_UDP_MULTICAST);
508 if (open_input_stream(rtp_c, "") < 0) {
509 http_log("Could not open input stream for stream '%s'\n",
514 /* open each RTP stream */
515 for(stream_index = 0; stream_index < stream->nb_streams;
517 dest_addr.sin_port = htons(stream->multicast_port +
519 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
520 http_log("Could not open output stream '%s/streamid=%d'\n",
521 stream->filename, stream_index);
526 /* change state to send data */
527 rtp_c->state = HTTPSTATE_SEND_DATA;
532 /* main loop of the http server */
533 static int http_server(void)
535 int server_fd = 0, rtsp_server_fd = 0;
536 int ret, delay, delay1;
537 struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
538 HTTPContext *c, *c_next;
540 if (my_http_addr.sin_port) {
541 server_fd = socket_open_listen(&my_http_addr);
546 if (my_rtsp_addr.sin_port) {
547 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
548 if (rtsp_server_fd < 0)
552 if (!rtsp_server_fd && !server_fd) {
553 http_log("HTTP and RTSP disabled.\n");
557 http_log("ffserver started.\n");
559 start_children(first_feed);
561 first_http_ctx = NULL;
567 poll_entry = poll_table;
569 poll_entry->fd = server_fd;
570 poll_entry->events = POLLIN;
573 if (rtsp_server_fd) {
574 poll_entry->fd = rtsp_server_fd;
575 poll_entry->events = POLLIN;
579 /* wait for events on each HTTP handle */
586 case HTTPSTATE_SEND_HEADER:
587 case RTSPSTATE_SEND_REPLY:
588 case RTSPSTATE_SEND_PACKET:
589 c->poll_entry = poll_entry;
591 poll_entry->events = POLLOUT;
594 case HTTPSTATE_SEND_DATA_HEADER:
595 case HTTPSTATE_SEND_DATA:
596 case HTTPSTATE_SEND_DATA_TRAILER:
597 if (!c->is_packetized) {
598 /* for TCP, we output as much as we can (may need to put a limit) */
599 c->poll_entry = poll_entry;
601 poll_entry->events = POLLOUT;
604 /* when ffserver is doing the timing, we work by
605 looking at which packet need to be sent every
607 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
612 case HTTPSTATE_WAIT_REQUEST:
613 case HTTPSTATE_RECEIVE_DATA:
614 case HTTPSTATE_WAIT_FEED:
615 case RTSPSTATE_WAIT_REQUEST:
616 /* need to catch errors */
617 c->poll_entry = poll_entry;
619 poll_entry->events = POLLIN;/* Maybe this will work */
623 c->poll_entry = NULL;
629 /* wait for an event on one connection. We poll at least every
630 second to handle timeouts */
632 ret = poll(poll_table, poll_entry - poll_table, delay);
633 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
634 ff_neterrno() != FF_NETERROR(EINTR))
638 cur_time = av_gettime() / 1000;
640 if (need_to_start_children) {
641 need_to_start_children = 0;
642 start_children(first_feed);
645 /* now handle the events */
646 for(c = first_http_ctx; c != NULL; c = c_next) {
648 if (handle_connection(c) < 0) {
649 /* close and free the connection */
655 poll_entry = poll_table;
657 /* new HTTP connection request ? */
658 if (poll_entry->revents & POLLIN)
659 new_connection(server_fd, 0);
662 if (rtsp_server_fd) {
663 /* new RTSP connection request ? */
664 if (poll_entry->revents & POLLIN)
665 new_connection(rtsp_server_fd, 1);
670 /* start waiting for a new HTTP/RTSP request */
671 static void start_wait_request(HTTPContext *c, int is_rtsp)
673 c->buffer_ptr = c->buffer;
674 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
677 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
678 c->state = RTSPSTATE_WAIT_REQUEST;
680 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
681 c->state = HTTPSTATE_WAIT_REQUEST;
685 static void new_connection(int server_fd, int is_rtsp)
687 struct sockaddr_in from_addr;
689 HTTPContext *c = NULL;
691 len = sizeof(from_addr);
692 fd = accept(server_fd, (struct sockaddr *)&from_addr,
695 http_log("error during accept %s\n", strerror(errno));
698 ff_socket_nonblock(fd, 1);
700 /* XXX: should output a warning page when coming
701 close to the connection limit */
702 if (nb_connections >= nb_max_connections)
705 /* add a new connection */
706 c = av_mallocz(sizeof(HTTPContext));
711 c->poll_entry = NULL;
712 c->from_addr = from_addr;
713 c->buffer_size = IOBUFFER_INIT_SIZE;
714 c->buffer = av_malloc(c->buffer_size);
718 c->next = first_http_ctx;
722 start_wait_request(c, is_rtsp);
734 static void close_connection(HTTPContext *c)
736 HTTPContext **cp, *c1;
738 AVFormatContext *ctx;
742 /* remove connection from list */
743 cp = &first_http_ctx;
744 while ((*cp) != NULL) {
752 /* remove references, if any (XXX: do it faster) */
753 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
758 /* remove connection associated resources */
762 /* close each frame parser */
763 for(i=0;i<c->fmt_in->nb_streams;i++) {
764 st = c->fmt_in->streams[i];
765 if (st->codec->codec)
766 avcodec_close(st->codec);
768 av_close_input_file(c->fmt_in);
771 /* free RTP output streams if any */
774 nb_streams = c->stream->nb_streams;
776 for(i=0;i<nb_streams;i++) {
779 av_write_trailer(ctx);
782 h = c->rtp_handles[i];
789 if (!c->last_packet_sent) {
792 if (url_open_dyn_buf(&ctx->pb) >= 0) {
793 av_write_trailer(ctx);
794 av_freep(&c->pb_buffer);
795 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
800 for(i=0; i<ctx->nb_streams; i++)
801 av_free(ctx->streams[i]);
803 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
804 current_bandwidth -= c->stream->bandwidth;
806 /* signal that there is no feed if we are the feeder socket */
807 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
808 c->stream->feed_opened = 0;
812 av_freep(&c->pb_buffer);
813 av_freep(&c->packet_buffer);
819 static int handle_connection(HTTPContext *c)
824 case HTTPSTATE_WAIT_REQUEST:
825 case RTSPSTATE_WAIT_REQUEST:
827 if ((c->timeout - cur_time) < 0)
829 if (c->poll_entry->revents & (POLLERR | POLLHUP))
832 /* no need to read if no events */
833 if (!(c->poll_entry->revents & POLLIN))
837 len = recv(c->fd, c->buffer_ptr, 1, 0);
839 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
840 ff_neterrno() != FF_NETERROR(EINTR))
842 } else if (len == 0) {
845 /* search for end of request. */
847 c->buffer_ptr += len;
849 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
850 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
851 /* request found : parse it and reply */
852 if (c->state == HTTPSTATE_WAIT_REQUEST) {
853 ret = http_parse_request(c);
855 ret = rtsp_parse_request(c);
859 } else if (ptr >= c->buffer_end) {
860 /* request too long: cannot do anything */
862 } else goto read_loop;
866 case HTTPSTATE_SEND_HEADER:
867 if (c->poll_entry->revents & (POLLERR | POLLHUP))
870 /* no need to write if no events */
871 if (!(c->poll_entry->revents & POLLOUT))
873 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
875 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
876 ff_neterrno() != FF_NETERROR(EINTR)) {
877 /* error : close connection */
878 av_freep(&c->pb_buffer);
882 c->buffer_ptr += len;
884 c->stream->bytes_served += len;
885 c->data_count += len;
886 if (c->buffer_ptr >= c->buffer_end) {
887 av_freep(&c->pb_buffer);
891 /* all the buffer was sent : synchronize to the incoming stream */
892 c->state = HTTPSTATE_SEND_DATA_HEADER;
893 c->buffer_ptr = c->buffer_end = c->buffer;
898 case HTTPSTATE_SEND_DATA:
899 case HTTPSTATE_SEND_DATA_HEADER:
900 case HTTPSTATE_SEND_DATA_TRAILER:
901 /* for packetized output, we consider we can always write (the
902 input streams sets the speed). It may be better to verify
903 that we do not rely too much on the kernel queues */
904 if (!c->is_packetized) {
905 if (c->poll_entry->revents & (POLLERR | POLLHUP))
908 /* no need to read if no events */
909 if (!(c->poll_entry->revents & POLLOUT))
912 if (http_send_data(c) < 0)
914 /* close connection if trailer sent */
915 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
918 case HTTPSTATE_RECEIVE_DATA:
919 /* no need to read if no events */
920 if (c->poll_entry->revents & (POLLERR | POLLHUP))
922 if (!(c->poll_entry->revents & POLLIN))
924 if (http_receive_data(c) < 0)
927 case HTTPSTATE_WAIT_FEED:
928 /* no need to read if no events */
929 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
932 /* nothing to do, we'll be waken up by incoming feed packets */
935 case RTSPSTATE_SEND_REPLY:
936 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
937 av_freep(&c->pb_buffer);
940 /* no need to write if no events */
941 if (!(c->poll_entry->revents & POLLOUT))
943 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
945 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
946 ff_neterrno() != FF_NETERROR(EINTR)) {
947 /* error : close connection */
948 av_freep(&c->pb_buffer);
952 c->buffer_ptr += len;
953 c->data_count += len;
954 if (c->buffer_ptr >= c->buffer_end) {
955 /* all the buffer was sent : wait for a new request */
956 av_freep(&c->pb_buffer);
957 start_wait_request(c, 1);
961 case RTSPSTATE_SEND_PACKET:
962 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
963 av_freep(&c->packet_buffer);
966 /* no need to write if no events */
967 if (!(c->poll_entry->revents & POLLOUT))
969 len = send(c->fd, c->packet_buffer_ptr,
970 c->packet_buffer_end - c->packet_buffer_ptr, 0);
972 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
973 ff_neterrno() != FF_NETERROR(EINTR)) {
974 /* error : close connection */
975 av_freep(&c->packet_buffer);
979 c->packet_buffer_ptr += len;
980 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
981 /* all the buffer was sent : wait for a new request */
982 av_freep(&c->packet_buffer);
983 c->state = RTSPSTATE_WAIT_REQUEST;
987 case HTTPSTATE_READY:
996 static int extract_rates(char *rates, int ratelen, const char *request)
1000 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1001 if (strncasecmp(p, "Pragma:", 7) == 0) {
1002 const char *q = p + 7;
1004 while (*q && *q != '\n' && isspace(*q))
1007 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1013 memset(rates, 0xff, ratelen);
1016 while (*q && *q != '\n' && *q != ':')
1019 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1023 if (stream_no < ratelen && stream_no >= 0)
1024 rates[stream_no] = rate_no;
1026 while (*q && *q != '\n' && !isspace(*q))
1033 p = strchr(p, '\n');
1043 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1046 int best_bitrate = 100000000;
1049 for (i = 0; i < feed->nb_streams; i++) {
1050 AVCodecContext *feed_codec = feed->streams[i]->codec;
1052 if (feed_codec->codec_id != codec->codec_id ||
1053 feed_codec->sample_rate != codec->sample_rate ||
1054 feed_codec->width != codec->width ||
1055 feed_codec->height != codec->height)
1058 /* Potential stream */
1060 /* We want the fastest stream less than bit_rate, or the slowest
1061 * faster than bit_rate
1064 if (feed_codec->bit_rate <= bit_rate) {
1065 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1066 best_bitrate = feed_codec->bit_rate;
1070 if (feed_codec->bit_rate < best_bitrate) {
1071 best_bitrate = feed_codec->bit_rate;
1080 static int modify_current_stream(HTTPContext *c, char *rates)
1083 FFStream *req = c->stream;
1084 int action_required = 0;
1086 /* Not much we can do for a feed */
1090 for (i = 0; i < req->nb_streams; i++) {
1091 AVCodecContext *codec = req->streams[i]->codec;
1095 c->switch_feed_streams[i] = req->feed_streams[i];
1098 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1101 /* Wants off or slow */
1102 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1104 /* This doesn't work well when it turns off the only stream! */
1105 c->switch_feed_streams[i] = -2;
1106 c->feed_streams[i] = -2;
1111 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1112 action_required = 1;
1115 return action_required;
1119 static void do_switch_stream(HTTPContext *c, int i)
1121 if (c->switch_feed_streams[i] >= 0) {
1123 c->feed_streams[i] = c->switch_feed_streams[i];
1126 /* Now update the stream */
1128 c->switch_feed_streams[i] = -1;
1131 /* XXX: factorize in utils.c ? */
1132 /* XXX: take care with different space meaning */
1133 static void skip_spaces(const char **pp)
1137 while (*p == ' ' || *p == '\t')
1142 static void get_word(char *buf, int buf_size, const char **pp)
1150 while (!isspace(*p) && *p != '\0') {
1151 if ((q - buf) < buf_size - 1)
1160 static int validate_acl(FFStream *stream, HTTPContext *c)
1162 enum IPAddressAction last_action = IP_DENY;
1164 struct in_addr *src = &c->from_addr.sin_addr;
1165 unsigned long src_addr = src->s_addr;
1167 for (acl = stream->acl; acl; acl = acl->next) {
1168 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1169 return (acl->action == IP_ALLOW) ? 1 : 0;
1170 last_action = acl->action;
1173 /* Nothing matched, so return not the last action */
1174 return (last_action == IP_DENY) ? 1 : 0;
1177 /* compute the real filename of a file by matching it without its
1178 extensions to all the stream filenames */
1179 static void compute_real_filename(char *filename, int max_size)
1186 /* compute filename by matching without the file extensions */
1187 av_strlcpy(file1, filename, sizeof(file1));
1188 p = strrchr(file1, '.');
1191 for(stream = first_stream; stream != NULL; stream = stream->next) {
1192 av_strlcpy(file2, stream->filename, sizeof(file2));
1193 p = strrchr(file2, '.');
1196 if (!strcmp(file1, file2)) {
1197 av_strlcpy(filename, stream->filename, max_size);
1212 /* parse http request and prepare header */
1213 static int http_parse_request(HTTPContext *c)
1216 enum RedirType redir_type;
1218 char info[1024], filename[1024];
1222 const char *mime_type;
1226 char *useragent = 0;
1229 get_word(cmd, sizeof(cmd), (const char **)&p);
1230 av_strlcpy(c->method, cmd, sizeof(c->method));
1232 if (!strcmp(cmd, "GET"))
1234 else if (!strcmp(cmd, "POST"))
1239 get_word(url, sizeof(url), (const char **)&p);
1240 av_strlcpy(c->url, url, sizeof(c->url));
1242 get_word(protocol, sizeof(protocol), (const char **)&p);
1243 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1246 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1249 http_log("New connection: %s %s\n", cmd, url);
1251 /* find the filename and the optional info string in the request */
1252 p = strchr(url, '?');
1254 av_strlcpy(info, p, sizeof(info));
1259 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1261 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1262 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1264 if (*useragent && *useragent != '\n' && isspace(*useragent))
1268 p = strchr(p, '\n');
1275 redir_type = REDIR_NONE;
1276 if (match_ext(filename, "asx")) {
1277 redir_type = REDIR_ASX;
1278 filename[strlen(filename)-1] = 'f';
1279 } else if (match_ext(filename, "asf") &&
1280 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1281 /* if this isn't WMP or lookalike, return the redirector file */
1282 redir_type = REDIR_ASF;
1283 } else if (match_ext(filename, "rpm,ram")) {
1284 redir_type = REDIR_RAM;
1285 strcpy(filename + strlen(filename)-2, "m");
1286 } else if (match_ext(filename, "rtsp")) {
1287 redir_type = REDIR_RTSP;
1288 compute_real_filename(filename, sizeof(filename) - 1);
1289 } else if (match_ext(filename, "sdp")) {
1290 redir_type = REDIR_SDP;
1291 compute_real_filename(filename, sizeof(filename) - 1);
1294 // "redirect" / request to index.html
1295 if (!strlen(filename))
1296 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1298 stream = first_stream;
1299 while (stream != NULL) {
1300 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1302 stream = stream->next;
1304 if (stream == NULL) {
1305 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1310 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1311 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1313 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1314 c->http_error = 301;
1316 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
1317 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
1318 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1319 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1320 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
1321 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
1322 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1324 /* prepare output buffer */
1325 c->buffer_ptr = c->buffer;
1327 c->state = HTTPSTATE_SEND_HEADER;
1331 /* If this is WMP, get the rate information */
1332 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1333 if (modify_current_stream(c, ratebuf)) {
1334 for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
1335 if (c->switch_feed_streams[i] >= 0)
1336 do_switch_stream(c, i);
1341 /* If already streaming this feed, do not let start another feeder. */
1342 if (stream->feed_opened) {
1343 snprintf(msg, sizeof(msg), "This feed is already being received.");
1347 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1348 current_bandwidth += stream->bandwidth;
1350 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1351 c->http_error = 200;
1353 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
1354 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
1355 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1356 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
1357 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The server is too busy to serve your request at this time.</p>\r\n");
1358 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<p>The bandwidth being served (including your stream) is %lldkbit/sec, and this exceeds the limit of %lldkbit/sec.</p>\r\n",
1359 current_bandwidth, max_bandwidth);
1360 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
1362 /* prepare output buffer */
1363 c->buffer_ptr = c->buffer;
1365 c->state = HTTPSTATE_SEND_HEADER;
1369 if (redir_type != REDIR_NONE) {
1372 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1373 if (strncasecmp(p, "Host:", 5) == 0) {
1377 p = strchr(p, '\n');
1388 while (isspace(*hostinfo))
1391 eoh = strchr(hostinfo, '\n');
1393 if (eoh[-1] == '\r')
1396 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1397 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1398 hostbuf[eoh - hostinfo] = 0;
1400 c->http_error = 200;
1402 switch(redir_type) {
1404 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
1405 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1406 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1407 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
1408 //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
1409 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
1410 hostbuf, filename, info);
1411 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
1414 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
1415 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
1416 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1417 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
1418 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
1419 hostbuf, filename, info);
1422 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
1423 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
1424 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1425 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
1426 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
1427 hostbuf, filename, info);
1431 char hostname[256], *p;
1432 /* extract only hostname */
1433 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1434 p = strrchr(hostname, ':');
1437 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
1438 /* XXX: incorrect mime type ? */
1439 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
1440 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1441 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
1442 hostname, ntohs(my_rtsp_addr.sin_port),
1449 int sdp_data_size, len;
1450 struct sockaddr_in my_addr;
1452 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1453 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
1454 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1456 len = sizeof(my_addr);
1457 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1459 /* XXX: should use a dynamic buffer */
1460 sdp_data_size = prepare_sdp_description(stream,
1463 if (sdp_data_size > 0) {
1464 memcpy(q, sdp_data, sdp_data_size);
1476 /* prepare output buffer */
1477 c->buffer_ptr = c->buffer;
1479 c->state = HTTPSTATE_SEND_HEADER;
1485 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1489 stream->conns_served++;
1491 /* XXX: add there authenticate and IP match */
1494 /* if post, it means a feed is being sent */
1495 if (!stream->is_feed) {
1496 /* However it might be a status report from WMP! Lets log the data
1497 * as it might come in handy one day
1502 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1503 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1507 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1508 client_id = strtol(p + 18, 0, 10);
1509 p = strchr(p, '\n');
1517 char *eol = strchr(logline, '\n');
1522 if (eol[-1] == '\r')
1524 http_log("%.*s\n", (int) (eol - logline), logline);
1525 c->suppress_log = 1;
1530 http_log("\nGot request:\n%s\n", c->buffer);
1533 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1536 /* Now we have to find the client_id */
1537 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1538 if (wmpc->wmp_client_id == client_id)
1542 if (wmpc && modify_current_stream(wmpc, ratebuf))
1543 wmpc->switch_pending = 1;
1546 snprintf(msg, sizeof(msg), "POST command not handled");
1550 if (http_start_receive_data(c) < 0) {
1551 snprintf(msg, sizeof(msg), "could not open feed");
1555 c->state = HTTPSTATE_RECEIVE_DATA;
1560 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1561 http_log("\nGot request:\n%s\n", c->buffer);
1564 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1567 /* open input stream */
1568 if (open_input_stream(c, info) < 0) {
1569 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1573 /* prepare http header */
1575 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1576 mime_type = c->stream->fmt->mime_type;
1578 mime_type = "application/x-octet-stream";
1579 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1581 /* for asf, we need extra headers */
1582 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1583 /* Need to allocate a client id */
1585 c->wmp_client_id = av_random(&random_state) & 0x7fffffff;
1587 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=%d\r\nPragma: features=\"broadcast\"\r\n", c->wmp_client_id);
1589 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1590 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1592 /* prepare output buffer */
1594 c->buffer_ptr = c->buffer;
1596 c->state = HTTPSTATE_SEND_HEADER;
1599 c->http_error = 404;
1601 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
1602 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
1603 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1604 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
1605 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
1606 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
1607 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
1609 /* prepare output buffer */
1610 c->buffer_ptr = c->buffer;
1612 c->state = HTTPSTATE_SEND_HEADER;
1616 c->http_error = 200; /* horrible : we use this value to avoid
1617 going to the send data state */
1618 c->state = HTTPSTATE_SEND_HEADER;
1622 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1624 static const char *suffix = " kMGTP";
1627 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1629 url_fprintf(pb, "%"PRId64"%c", count, *s);
1632 static void compute_status(HTTPContext *c)
1641 if (url_open_dyn_buf(&pb) < 0) {
1642 /* XXX: return an error ? */
1643 c->buffer_ptr = c->buffer;
1644 c->buffer_end = c->buffer;
1648 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1649 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1650 url_fprintf(pb, "Pragma: no-cache\r\n");
1651 url_fprintf(pb, "\r\n");
1653 url_fprintf(pb, "<HEAD><TITLE>%s Status</TITLE>\n", program_name);
1654 if (c->stream->feed_filename[0])
1655 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1656 url_fprintf(pb, "</HEAD>\n<BODY>");
1657 url_fprintf(pb, "<H1>%s Status</H1>\n", program_name);
1659 url_fprintf(pb, "<H2>Available Streams</H2>\n");
1660 url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
1661 url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
1662 stream = first_stream;
1663 while (stream != NULL) {
1664 char sfilename[1024];
1667 if (stream->feed != stream) {
1668 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1669 eosf = sfilename + strlen(sfilename);
1670 if (eosf - sfilename >= 4) {
1671 if (strcmp(eosf - 4, ".asf") == 0)
1672 strcpy(eosf - 4, ".asx");
1673 else if (strcmp(eosf - 3, ".rm") == 0)
1674 strcpy(eosf - 3, ".ram");
1675 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1676 /* generate a sample RTSP director if
1677 unicast. Generate an SDP redirector if
1679 eosf = strrchr(sfilename, '.');
1681 eosf = sfilename + strlen(sfilename);
1682 if (stream->is_multicast)
1683 strcpy(eosf, ".sdp");
1685 strcpy(eosf, ".rtsp");
1689 url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
1690 sfilename, stream->filename);
1691 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1692 stream->conns_served);
1693 fmt_bytecount(pb, stream->bytes_served);
1694 switch(stream->stream_type) {
1695 case STREAM_TYPE_LIVE:
1697 int audio_bit_rate = 0;
1698 int video_bit_rate = 0;
1699 const char *audio_codec_name = "";
1700 const char *video_codec_name = "";
1701 const char *audio_codec_name_extra = "";
1702 const char *video_codec_name_extra = "";
1704 for(i=0;i<stream->nb_streams;i++) {
1705 AVStream *st = stream->streams[i];
1706 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1707 switch(st->codec->codec_type) {
1708 case CODEC_TYPE_AUDIO:
1709 audio_bit_rate += st->codec->bit_rate;
1711 if (*audio_codec_name)
1712 audio_codec_name_extra = "...";
1713 audio_codec_name = codec->name;
1716 case CODEC_TYPE_VIDEO:
1717 video_bit_rate += st->codec->bit_rate;
1719 if (*video_codec_name)
1720 video_codec_name_extra = "...";
1721 video_codec_name = codec->name;
1724 case CODEC_TYPE_DATA:
1725 video_bit_rate += st->codec->bit_rate;
1731 url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
1734 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1735 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1737 url_fprintf(pb, "<TD>%s", stream->feed->filename);
1739 url_fprintf(pb, "<TD>%s", stream->feed_filename);
1740 url_fprintf(pb, "\n");
1744 url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
1748 stream = stream->next;
1750 url_fprintf(pb, "</TABLE>\n");
1752 stream = first_stream;
1753 while (stream != NULL) {
1754 if (stream->feed == stream) {
1755 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1757 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1759 #if defined(linux) && !defined(CONFIG_NOCUTILS)
1764 /* This is somewhat linux specific I guess */
1765 snprintf(ps_cmd, sizeof(ps_cmd),
1766 "ps -o \"%%cpu,cputime\" --no-headers %d",
1769 pid_stat = popen(ps_cmd, "r");
1774 if (fscanf(pid_stat, "%10s %64s", cpuperc,
1776 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
1784 url_fprintf(pb, "<p>");
1786 url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
1788 for (i = 0; i < stream->nb_streams; i++) {
1789 AVStream *st = stream->streams[i];
1790 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1791 const char *type = "unknown";
1792 char parameters[64];
1796 switch(st->codec->codec_type) {
1797 case CODEC_TYPE_AUDIO:
1799 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
1801 case CODEC_TYPE_VIDEO:
1803 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
1804 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
1809 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
1810 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
1812 url_fprintf(pb, "</table>\n");
1815 stream = stream->next;
1821 AVCodecContext *enc;
1825 stream = first_feed;
1826 while (stream != NULL) {
1827 url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
1828 url_fprintf(pb, "<TABLE>\n");
1829 url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
1830 for(i=0;i<stream->nb_streams;i++) {
1831 AVStream *st = stream->streams[i];
1832 FeedData *fdata = st->priv_data;
1835 avcodec_string(buf, sizeof(buf), enc);
1836 avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
1837 if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
1838 avg /= enc->frame_size;
1839 url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %"PRId64" <TD> %0.1f\n",
1840 buf, enc->frame_number, fdata->data_count, avg / 1000.0);
1842 url_fprintf(pb, "</TABLE>\n");
1843 stream = stream->next_feed;
1848 /* connection status */
1849 url_fprintf(pb, "<H2>Connection Status</H2>\n");
1851 url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
1852 nb_connections, nb_max_connections);
1854 url_fprintf(pb, "Bandwidth in use: %lldk / %lldk<BR>\n",
1855 current_bandwidth, max_bandwidth);
1857 url_fprintf(pb, "<TABLE>\n");
1858 url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
1859 c1 = first_http_ctx;
1861 while (c1 != NULL) {
1867 for (j = 0; j < c1->stream->nb_streams; j++) {
1868 if (!c1->stream->feed)
1869 bitrate += c1->stream->streams[j]->codec->bit_rate;
1870 else if (c1->feed_streams[j] >= 0)
1871 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
1876 p = inet_ntoa(c1->from_addr.sin_addr);
1877 url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
1879 c1->stream ? c1->stream->filename : "",
1880 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
1883 http_state[c1->state]);
1884 fmt_bytecount(pb, bitrate);
1885 url_fprintf(pb, "<td align=right>");
1886 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
1887 url_fprintf(pb, "<td align=right>");
1888 fmt_bytecount(pb, c1->data_count);
1889 url_fprintf(pb, "\n");
1892 url_fprintf(pb, "</TABLE>\n");
1897 url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
1898 url_fprintf(pb, "</BODY>\n</HTML>\n");
1900 len = url_close_dyn_buf(pb, &c->pb_buffer);
1901 c->buffer_ptr = c->pb_buffer;
1902 c->buffer_end = c->pb_buffer + len;
1905 /* check if the parser needs to be opened for stream i */
1906 static void open_parser(AVFormatContext *s, int i)
1908 AVStream *st = s->streams[i];
1911 if (!st->codec->codec) {
1912 codec = avcodec_find_decoder(st->codec->codec_id);
1913 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
1914 st->codec->parse_only = 1;
1915 if (avcodec_open(st->codec, codec) < 0)
1916 st->codec->parse_only = 0;
1921 static int open_input_stream(HTTPContext *c, const char *info)
1924 char input_filename[1024];
1926 int buf_size, i, ret;
1929 /* find file name */
1930 if (c->stream->feed) {
1931 strcpy(input_filename, c->stream->feed->feed_filename);
1932 buf_size = FFM_PACKET_SIZE;
1933 /* compute position (absolute time) */
1934 if (find_info_tag(buf, sizeof(buf), "date", info))
1936 stream_pos = parse_date(buf, 0);
1937 if (stream_pos == INT64_MIN)
1940 else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
1941 int prebuffer = strtol(buf, 0, 10);
1942 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
1944 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
1946 strcpy(input_filename, c->stream->feed_filename);
1948 /* compute position (relative time) */
1949 if (find_info_tag(buf, sizeof(buf), "date", info))
1951 stream_pos = parse_date(buf, 1);
1952 if (stream_pos == INT64_MIN)
1958 if (input_filename[0] == '\0')
1962 { time_t when = stream_pos / 1000000;
1963 http_log("Stream pos = %"PRId64", time=%s", stream_pos, ctime(&when));
1968 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
1969 buf_size, c->stream->ap_in)) < 0) {
1970 http_log("could not open %s: %d\n", input_filename, ret);
1973 s->flags |= AVFMT_FLAG_GENPTS;
1975 av_find_stream_info(c->fmt_in);
1977 /* open each parser */
1978 for(i=0;i<s->nb_streams;i++)
1981 /* choose stream as clock source (we favorize video stream if
1982 present) for packet sending */
1983 c->pts_stream_index = 0;
1984 for(i=0;i<c->stream->nb_streams;i++) {
1985 if (c->pts_stream_index == 0 &&
1986 c->stream->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
1987 c->pts_stream_index = i;
1992 if (c->fmt_in->iformat->read_seek)
1993 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
1995 /* set the start time (needed for maxtime and RTP packet timing) */
1996 c->start_time = cur_time;
1997 c->first_pts = AV_NOPTS_VALUE;
2001 /* return the server clock (in us) */
2002 static int64_t get_server_clock(HTTPContext *c)
2004 /* compute current pts value from system time */
2005 return (cur_time - c->start_time) * 1000;
2008 /* return the estimated time at which the current packet must be sent
2010 static int64_t get_packet_send_clock(HTTPContext *c)
2012 int bytes_left, bytes_sent, frame_bytes;
2014 frame_bytes = c->cur_frame_bytes;
2015 if (frame_bytes <= 0)
2018 bytes_left = c->buffer_end - c->buffer_ptr;
2019 bytes_sent = frame_bytes - bytes_left;
2020 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2025 static int http_prepare_data(HTTPContext *c)
2028 AVFormatContext *ctx;
2030 av_freep(&c->pb_buffer);
2032 case HTTPSTATE_SEND_DATA_HEADER:
2033 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2034 av_strlcpy(c->fmt_ctx.author, c->stream->author,
2035 sizeof(c->fmt_ctx.author));
2036 av_strlcpy(c->fmt_ctx.comment, c->stream->comment,
2037 sizeof(c->fmt_ctx.comment));
2038 av_strlcpy(c->fmt_ctx.copyright, c->stream->copyright,
2039 sizeof(c->fmt_ctx.copyright));
2040 av_strlcpy(c->fmt_ctx.title, c->stream->title,
2041 sizeof(c->fmt_ctx.title));
2043 /* open output stream by using specified codecs */
2044 c->fmt_ctx.oformat = c->stream->fmt;
2045 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2046 for(i=0;i<c->fmt_ctx.nb_streams;i++) {
2049 st = av_mallocz(sizeof(AVStream));
2050 c->fmt_ctx.streams[i] = st;
2051 /* if file or feed, then just take streams from FFStream struct */
2052 if (!c->stream->feed ||
2053 c->stream->feed == c->stream)
2054 src = c->stream->streams[i];
2056 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2060 st->codec->frame_number = 0; /* XXX: should be done in
2061 AVStream, not in codec */
2063 c->got_key_frame = 0;
2065 /* prepare header and save header data in a stream */
2066 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2067 /* XXX: potential leak */
2070 c->fmt_ctx.pb->is_streamed = 1;
2073 * HACK to avoid mpeg ps muxer to spit many underflow errors
2074 * Default value from FFmpeg
2075 * Try to set it use configuration option
2077 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2078 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2080 av_set_parameters(&c->fmt_ctx, NULL);
2081 if (av_write_header(&c->fmt_ctx) < 0) {
2082 http_log("Error writing output header\n");
2086 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2087 c->buffer_ptr = c->pb_buffer;
2088 c->buffer_end = c->pb_buffer + len;
2090 c->state = HTTPSTATE_SEND_DATA;
2091 c->last_packet_sent = 0;
2093 case HTTPSTATE_SEND_DATA:
2094 /* find a new packet */
2095 /* read a packet from the input stream */
2096 if (c->stream->feed)
2097 ffm_set_write_index(c->fmt_in,
2098 c->stream->feed->feed_write_index,
2099 c->stream->feed->feed_size);
2101 if (c->stream->max_time &&
2102 c->stream->max_time + c->start_time - cur_time < 0)
2103 /* We have timed out */
2104 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2108 if (av_read_frame(c->fmt_in, &pkt) < 0) {
2109 if (c->stream->feed && c->stream->feed->feed_opened) {
2110 /* if coming from feed, it means we reached the end of the
2111 ffm file, so must wait for more data */
2112 c->state = HTTPSTATE_WAIT_FEED;
2113 return 1; /* state changed */
2115 if (c->stream->loop) {
2116 av_close_input_file(c->fmt_in);
2118 if (open_input_stream(c, "") < 0)
2123 /* must send trailer now because eof or error */
2124 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2128 int source_index = pkt.stream_index;
2129 /* update first pts if needed */
2130 if (c->first_pts == AV_NOPTS_VALUE) {
2131 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2132 c->start_time = cur_time;
2134 /* send it to the appropriate stream */
2135 if (c->stream->feed) {
2136 /* if coming from a feed, select the right stream */
2137 if (c->switch_pending) {
2138 c->switch_pending = 0;
2139 for(i=0;i<c->stream->nb_streams;i++) {
2140 if (c->switch_feed_streams[i] == pkt.stream_index)
2141 if (pkt.flags & PKT_FLAG_KEY)
2142 do_switch_stream(c, i);
2143 if (c->switch_feed_streams[i] >= 0)
2144 c->switch_pending = 1;
2147 for(i=0;i<c->stream->nb_streams;i++) {
2148 if (c->feed_streams[i] == pkt.stream_index) {
2149 AVStream *st = c->fmt_in->streams[source_index];
2150 pkt.stream_index = i;
2151 if (pkt.flags & PKT_FLAG_KEY &&
2152 (st->codec->codec_type == CODEC_TYPE_VIDEO ||
2153 c->stream->nb_streams == 1))
2154 c->got_key_frame = 1;
2155 if (!c->stream->send_on_key || c->got_key_frame)
2160 AVCodecContext *codec;
2163 /* specific handling for RTP: we use several
2164 output stream (one for each RTP
2165 connection). XXX: need more abstract handling */
2166 if (c->is_packetized) {
2168 /* compute send time and duration */
2169 st = c->fmt_in->streams[pkt.stream_index];
2170 c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
2171 if (st->start_time != AV_NOPTS_VALUE)
2172 c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
2173 c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
2175 printf("index=%d pts=%0.3f duration=%0.6f\n",
2177 (double)c->cur_pts /
2179 (double)c->cur_frame_duration /
2182 /* find RTP context */
2183 c->packet_stream_index = pkt.stream_index;
2184 ctx = c->rtp_ctx[c->packet_stream_index];
2186 av_free_packet(&pkt);
2189 codec = ctx->streams[0]->codec;
2190 /* only one stream per RTP connection */
2191 pkt.stream_index = 0;
2195 codec = ctx->streams[pkt.stream_index]->codec;
2198 if (c->is_packetized) {
2199 int max_packet_size;
2200 if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
2201 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2203 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2204 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2206 ret = url_open_dyn_buf(&ctx->pb);
2209 /* XXX: potential leak */
2212 c->fmt_ctx.pb->is_streamed = 1;
2213 if (pkt.dts != AV_NOPTS_VALUE)
2214 pkt.dts = av_rescale_q(pkt.dts,
2215 c->fmt_in->streams[source_index]->time_base,
2216 ctx->streams[pkt.stream_index]->time_base);
2217 if (pkt.pts != AV_NOPTS_VALUE)
2218 pkt.pts = av_rescale_q(pkt.pts,
2219 c->fmt_in->streams[source_index]->time_base,
2220 ctx->streams[pkt.stream_index]->time_base);
2221 pkt.duration = av_rescale_q(pkt.duration,
2222 c->fmt_in->streams[source_index]->time_base,
2223 ctx->streams[pkt.stream_index]->time_base);
2224 if (av_write_frame(ctx, &pkt) < 0) {
2225 http_log("Error writing frame to output\n");
2226 c->state = HTTPSTATE_SEND_DATA_TRAILER;
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 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2491 pb->is_streamed = 1;
2493 /* use feed output format name to find corresponding input format */
2494 fmt_in = av_find_input_format(feed->fmt->name);
2498 av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL);
2500 /* Now we have the actual streams */
2501 if (s->nb_streams != feed->nb_streams) {
2502 av_close_input_stream(s);
2507 for (i = 0; i < s->nb_streams; i++)
2508 memcpy(feed->streams[i]->codec,
2509 s->streams[i]->codec, sizeof(AVCodecContext));
2511 av_close_input_stream(s);
2514 c->buffer_ptr = c->buffer;
2519 c->stream->feed_opened = 0;
2521 /* wake up any waiting connections to stop waiting for feed */
2522 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2523 if (c1->state == HTTPSTATE_WAIT_FEED &&
2524 c1->stream->feed == c->stream->feed)
2525 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2530 /********************************************************************/
2533 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2540 switch(error_number) {
2541 case RTSP_STATUS_OK:
2544 case RTSP_STATUS_METHOD:
2545 str = "Method Not Allowed";
2547 case RTSP_STATUS_BANDWIDTH:
2548 str = "Not Enough Bandwidth";
2550 case RTSP_STATUS_SESSION:
2551 str = "Session Not Found";
2553 case RTSP_STATUS_STATE:
2554 str = "Method Not Valid in This State";
2556 case RTSP_STATUS_AGGREGATE:
2557 str = "Aggregate operation not allowed";
2559 case RTSP_STATUS_ONLY_AGGREGATE:
2560 str = "Only aggregate operation allowed";
2562 case RTSP_STATUS_TRANSPORT:
2563 str = "Unsupported transport";
2565 case RTSP_STATUS_INTERNAL:
2566 str = "Internal Server Error";
2568 case RTSP_STATUS_SERVICE:
2569 str = "Service Unavailable";
2571 case RTSP_STATUS_VERSION:
2572 str = "RTSP Version not supported";
2575 str = "Unknown Error";
2579 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2580 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2582 /* output GMT time */
2586 p = buf2 + strlen(p) - 1;
2589 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2592 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2594 rtsp_reply_header(c, error_number);
2595 url_fprintf(c->pb, "\r\n");
2598 static int rtsp_parse_request(HTTPContext *c)
2600 const char *p, *p1, *p2;
2606 RTSPHeader header1, *header = &header1;
2608 c->buffer_ptr[0] = '\0';
2611 get_word(cmd, sizeof(cmd), &p);
2612 get_word(url, sizeof(url), &p);
2613 get_word(protocol, sizeof(protocol), &p);
2615 av_strlcpy(c->method, cmd, sizeof(c->method));
2616 av_strlcpy(c->url, url, sizeof(c->url));
2617 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2619 if (url_open_dyn_buf(&c->pb) < 0) {
2620 /* XXX: cannot do more */
2621 c->pb = NULL; /* safety */
2625 /* check version name */
2626 if (strcmp(protocol, "RTSP/1.0") != 0) {
2627 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2631 /* parse each header line */
2632 memset(header, 0, sizeof(RTSPHeader));
2633 /* skip to next line */
2634 while (*p != '\n' && *p != '\0')
2638 while (*p != '\0') {
2639 p1 = strchr(p, '\n');
2643 if (p2 > p && p2[-1] == '\r')
2645 /* skip empty line */
2649 if (len > sizeof(line) - 1)
2650 len = sizeof(line) - 1;
2651 memcpy(line, p, len);
2653 rtsp_parse_line(header, line);
2657 /* handle sequence number */
2658 c->seq = header->seq;
2660 if (!strcmp(cmd, "DESCRIBE"))
2661 rtsp_cmd_describe(c, url);
2662 else if (!strcmp(cmd, "OPTIONS"))
2663 rtsp_cmd_options(c, url);
2664 else if (!strcmp(cmd, "SETUP"))
2665 rtsp_cmd_setup(c, url, header);
2666 else if (!strcmp(cmd, "PLAY"))
2667 rtsp_cmd_play(c, url, header);
2668 else if (!strcmp(cmd, "PAUSE"))
2669 rtsp_cmd_pause(c, url, header);
2670 else if (!strcmp(cmd, "TEARDOWN"))
2671 rtsp_cmd_teardown(c, url, header);
2673 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2676 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2677 c->pb = NULL; /* safety */
2679 /* XXX: cannot do more */
2682 c->buffer_ptr = c->pb_buffer;
2683 c->buffer_end = c->pb_buffer + len;
2684 c->state = RTSPSTATE_SEND_REPLY;
2688 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2689 struct in_addr my_ip)
2691 AVFormatContext *avc;
2692 AVStream avs[MAX_STREAMS];
2695 avc = av_alloc_format_context();
2699 if (stream->title[0] != 0) {
2700 av_strlcpy(avc->title, stream->title, sizeof(avc->title));
2702 av_strlcpy(avc->title, "No Title", sizeof(avc->title));
2704 avc->nb_streams = stream->nb_streams;
2705 if (stream->is_multicast) {
2706 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2707 inet_ntoa(stream->multicast_ip),
2708 stream->multicast_port, stream->multicast_ttl);
2711 for(i = 0; i < stream->nb_streams; i++) {
2712 avc->streams[i] = &avs[i];
2713 avc->streams[i]->codec = stream->streams[i]->codec;
2715 *pbuffer = av_mallocz(2048);
2716 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2719 return strlen(*pbuffer);
2722 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2724 // rtsp_reply_header(c, RTSP_STATUS_OK);
2725 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2726 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2727 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2728 url_fprintf(c->pb, "\r\n");
2731 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2737 int content_length, len;
2738 struct sockaddr_in my_addr;
2740 /* find which url is asked */
2741 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2746 for(stream = first_stream; stream != NULL; stream = stream->next) {
2747 if (!stream->is_feed &&
2748 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2749 !strcmp(path, stream->filename)) {
2753 /* no stream found */
2754 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2758 /* prepare the media description in sdp format */
2760 /* get the host IP */
2761 len = sizeof(my_addr);
2762 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
2763 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
2764 if (content_length < 0) {
2765 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2768 rtsp_reply_header(c, RTSP_STATUS_OK);
2769 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
2770 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
2771 url_fprintf(c->pb, "\r\n");
2772 put_buffer(c->pb, content, content_length);
2775 static HTTPContext *find_rtp_session(const char *session_id)
2779 if (session_id[0] == '\0')
2782 for(c = first_http_ctx; c != NULL; c = c->next) {
2783 if (!strcmp(c->session_id, session_id))
2789 static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
2791 RTSPTransportField *th;
2794 for(i=0;i<h->nb_transports;i++) {
2795 th = &h->transports[i];
2796 if (th->protocol == protocol)
2802 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
2806 int stream_index, port;
2811 RTSPTransportField *th;
2812 struct sockaddr_in dest_addr;
2813 RTSPActionServerSetup setup;
2815 /* find which url is asked */
2816 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2821 /* now check each stream */
2822 for(stream = first_stream; stream != NULL; stream = stream->next) {
2823 if (!stream->is_feed &&
2824 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
2825 /* accept aggregate filenames only if single stream */
2826 if (!strcmp(path, stream->filename)) {
2827 if (stream->nb_streams != 1) {
2828 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
2835 for(stream_index = 0; stream_index < stream->nb_streams;
2837 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2838 stream->filename, stream_index);
2839 if (!strcmp(path, buf))
2844 /* no stream found */
2845 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2849 /* generate session id if needed */
2850 if (h->session_id[0] == '\0')
2851 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
2852 av_random(&random_state), av_random(&random_state));
2854 /* find rtp session, and create it if none found */
2855 rtp_c = find_rtp_session(h->session_id);
2857 /* always prefer UDP */
2858 th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
2860 th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
2862 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2867 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
2870 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
2874 /* open input stream */
2875 if (open_input_stream(rtp_c, "") < 0) {
2876 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
2881 /* test if stream is OK (test needed because several SETUP needs
2882 to be done for a given file) */
2883 if (rtp_c->stream != stream) {
2884 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
2888 /* test if stream is already set up */
2889 if (rtp_c->rtp_ctx[stream_index]) {
2890 rtsp_reply_error(c, RTSP_STATUS_STATE);
2894 /* check transport */
2895 th = find_transport(h, rtp_c->rtp_protocol);
2896 if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
2897 th->client_port_min <= 0)) {
2898 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2902 /* setup default options */
2903 setup.transport_option[0] = '\0';
2904 dest_addr = rtp_c->from_addr;
2905 dest_addr.sin_port = htons(th->client_port_min);
2908 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
2909 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
2913 /* now everything is OK, so we can send the connection parameters */
2914 rtsp_reply_header(c, RTSP_STATUS_OK);
2916 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
2918 switch(rtp_c->rtp_protocol) {
2919 case RTSP_PROTOCOL_RTP_UDP:
2920 port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
2921 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
2922 "client_port=%d-%d;server_port=%d-%d",
2923 th->client_port_min, th->client_port_min + 1,
2926 case RTSP_PROTOCOL_RTP_TCP:
2927 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
2928 stream_index * 2, stream_index * 2 + 1);
2933 if (setup.transport_option[0] != '\0')
2934 url_fprintf(c->pb, ";%s", setup.transport_option);
2935 url_fprintf(c->pb, "\r\n");
2938 url_fprintf(c->pb, "\r\n");
2942 /* find an rtp connection by using the session ID. Check consistency
2944 static HTTPContext *find_rtp_session_with_url(const char *url,
2945 const char *session_id)
2953 rtp_c = find_rtp_session(session_id);
2957 /* find which url is asked */
2958 url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2962 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
2963 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
2964 snprintf(buf, sizeof(buf), "%s/streamid=%d",
2965 rtp_c->stream->filename, s);
2966 if(!strncmp(path, buf, sizeof(buf))) {
2967 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
2974 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
2978 rtp_c = find_rtp_session_with_url(url, h->session_id);
2980 rtsp_reply_error(c, RTSP_STATUS_SESSION);
2984 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
2985 rtp_c->state != HTTPSTATE_WAIT_FEED &&
2986 rtp_c->state != HTTPSTATE_READY) {
2987 rtsp_reply_error(c, RTSP_STATUS_STATE);
2992 /* XXX: seek in stream */
2993 if (h->range_start != AV_NOPTS_VALUE) {
2994 printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
2995 av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
2999 rtp_c->state = HTTPSTATE_SEND_DATA;
3001 /* now everything is OK, so we can send the connection parameters */
3002 rtsp_reply_header(c, RTSP_STATUS_OK);
3004 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3005 url_fprintf(c->pb, "\r\n");
3008 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
3012 rtp_c = find_rtp_session_with_url(url, h->session_id);
3014 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3018 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3019 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3020 rtsp_reply_error(c, RTSP_STATUS_STATE);
3024 rtp_c->state = HTTPSTATE_READY;
3025 rtp_c->first_pts = AV_NOPTS_VALUE;
3026 /* now everything is OK, so we can send the connection parameters */
3027 rtsp_reply_header(c, RTSP_STATUS_OK);
3029 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3030 url_fprintf(c->pb, "\r\n");
3033 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
3036 char session_id[32];
3038 rtp_c = find_rtp_session_with_url(url, h->session_id);
3040 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3044 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3046 /* abort the session */
3047 close_connection(rtp_c);
3049 /* now everything is OK, so we can send the connection parameters */
3050 rtsp_reply_header(c, RTSP_STATUS_OK);
3052 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3053 url_fprintf(c->pb, "\r\n");
3057 /********************************************************************/
3060 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3061 FFStream *stream, const char *session_id,
3062 enum RTSPProtocol rtp_protocol)
3064 HTTPContext *c = NULL;
3065 const char *proto_str;
3067 /* XXX: should output a warning page when coming
3068 close to the connection limit */
3069 if (nb_connections >= nb_max_connections)
3072 /* add a new connection */
3073 c = av_mallocz(sizeof(HTTPContext));
3078 c->poll_entry = NULL;
3079 c->from_addr = *from_addr;
3080 c->buffer_size = IOBUFFER_INIT_SIZE;
3081 c->buffer = av_malloc(c->buffer_size);
3086 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3087 c->state = HTTPSTATE_READY;
3088 c->is_packetized = 1;
3089 c->rtp_protocol = rtp_protocol;
3091 /* protocol is shown in statistics */
3092 switch(c->rtp_protocol) {
3093 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3094 proto_str = "MCAST";
3096 case RTSP_PROTOCOL_RTP_UDP:
3099 case RTSP_PROTOCOL_RTP_TCP:
3106 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3107 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3109 current_bandwidth += stream->bandwidth;
3111 c->next = first_http_ctx;
3123 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3124 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3126 static int rtp_new_av_stream(HTTPContext *c,
3127 int stream_index, struct sockaddr_in *dest_addr,
3128 HTTPContext *rtsp_c)
3130 AVFormatContext *ctx;
3133 URLContext *h = NULL;
3136 int max_packet_size;
3138 /* now we can open the relevant output stream */
3139 ctx = av_alloc_format_context();
3142 ctx->oformat = guess_format("rtp", NULL, NULL);
3144 st = av_mallocz(sizeof(AVStream));
3147 st->codec= avcodec_alloc_context();
3148 ctx->nb_streams = 1;
3149 ctx->streams[0] = st;
3151 if (!c->stream->feed ||
3152 c->stream->feed == c->stream)
3153 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3156 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3158 st->priv_data = NULL;
3160 /* build destination RTP address */
3161 ipaddr = inet_ntoa(dest_addr->sin_addr);
3163 switch(c->rtp_protocol) {
3164 case RTSP_PROTOCOL_RTP_UDP:
3165 case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
3168 /* XXX: also pass as parameter to function ? */
3169 if (c->stream->is_multicast) {
3171 ttl = c->stream->multicast_ttl;
3174 snprintf(ctx->filename, sizeof(ctx->filename),
3175 "rtp://%s:%d?multicast=1&ttl=%d",
3176 ipaddr, ntohs(dest_addr->sin_port), ttl);
3178 snprintf(ctx->filename, sizeof(ctx->filename),
3179 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3182 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3184 c->rtp_handles[stream_index] = h;
3185 max_packet_size = url_get_max_packet_size(h);
3187 case RTSP_PROTOCOL_RTP_TCP:
3190 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3196 http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
3197 ipaddr, ntohs(dest_addr->sin_port),
3199 c->stream->filename, stream_index, c->protocol);
3201 /* normally, no packets should be output here, but the packet size may be checked */
3202 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3203 /* XXX: close stream */
3206 av_set_parameters(ctx, NULL);
3207 if (av_write_header(ctx) < 0) {
3214 url_close_dyn_buf(ctx->pb, &dummy_buf);
3217 c->rtp_ctx[stream_index] = ctx;
3221 /********************************************************************/
3222 /* ffserver initialization */
3224 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
3228 fst = av_mallocz(sizeof(AVStream));
3231 fst->codec= avcodec_alloc_context();
3232 fst->priv_data = av_mallocz(sizeof(FeedData));
3233 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3234 fst->index = stream->nb_streams;
3235 av_set_pts_info(fst, 33, 1, 90000);
3236 stream->streams[stream->nb_streams++] = fst;
3240 /* return the stream number in the feed */
3241 static int add_av_stream(FFStream *feed, AVStream *st)
3244 AVCodecContext *av, *av1;
3248 for(i=0;i<feed->nb_streams;i++) {
3249 st = feed->streams[i];
3251 if (av1->codec_id == av->codec_id &&
3252 av1->codec_type == av->codec_type &&
3253 av1->bit_rate == av->bit_rate) {
3255 switch(av->codec_type) {
3256 case CODEC_TYPE_AUDIO:
3257 if (av1->channels == av->channels &&
3258 av1->sample_rate == av->sample_rate)
3261 case CODEC_TYPE_VIDEO:
3262 if (av1->width == av->width &&
3263 av1->height == av->height &&
3264 av1->time_base.den == av->time_base.den &&
3265 av1->time_base.num == av->time_base.num &&
3266 av1->gop_size == av->gop_size)
3275 fst = add_av_stream1(feed, av);
3278 return feed->nb_streams - 1;
3283 static void remove_stream(FFStream *stream)
3287 while (*ps != NULL) {
3295 /* specific mpeg4 handling : we extract the raw parameters */
3296 static void extract_mpeg4_header(AVFormatContext *infile)
3298 int mpeg4_count, i, size;
3304 for(i=0;i<infile->nb_streams;i++) {
3305 st = infile->streams[i];
3306 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3307 st->codec->extradata_size == 0) {
3314 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3315 while (mpeg4_count > 0) {
3316 if (av_read_packet(infile, &pkt) < 0)
3318 st = infile->streams[pkt.stream_index];
3319 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3320 st->codec->extradata_size == 0) {
3321 av_freep(&st->codec->extradata);
3322 /* fill extradata with the header */
3323 /* XXX: we make hard suppositions here ! */
3325 while (p < pkt.data + pkt.size - 4) {
3326 /* stop when vop header is found */
3327 if (p[0] == 0x00 && p[1] == 0x00 &&
3328 p[2] == 0x01 && p[3] == 0xb6) {
3329 size = p - pkt.data;
3330 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3331 st->codec->extradata = av_malloc(size);
3332 st->codec->extradata_size = size;
3333 memcpy(st->codec->extradata, pkt.data, size);
3340 av_free_packet(&pkt);
3344 /* compute the needed AVStream for each file */
3345 static void build_file_streams(void)
3347 FFStream *stream, *stream_next;
3348 AVFormatContext *infile;
3351 /* gather all streams */
3352 for(stream = first_stream; stream != NULL; stream = stream_next) {
3353 stream_next = stream->next;
3354 if (stream->stream_type == STREAM_TYPE_LIVE &&
3356 /* the stream comes from a file */
3357 /* try to open the file */
3359 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3360 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3361 /* specific case : if transport stream output to RTP,
3362 we use a raw transport stream reader */
3363 stream->ap_in->mpeg2ts_raw = 1;
3364 stream->ap_in->mpeg2ts_compute_pcr = 1;
3367 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3368 stream->ifmt, 0, stream->ap_in)) < 0) {
3369 http_log("could not open %s: %d\n", stream->feed_filename, ret);
3370 /* remove stream (no need to spend more time on it) */
3372 remove_stream(stream);
3374 /* find all the AVStreams inside and reference them in
3376 if (av_find_stream_info(infile) < 0) {
3377 http_log("Could not find codec parameters from '%s'\n",
3378 stream->feed_filename);
3379 av_close_input_file(infile);
3382 extract_mpeg4_header(infile);
3384 for(i=0;i<infile->nb_streams;i++)
3385 add_av_stream1(stream, infile->streams[i]->codec);
3387 av_close_input_file(infile);
3393 /* compute the needed AVStream for each feed */
3394 static void build_feed_streams(void)
3396 FFStream *stream, *feed;
3399 /* gather all streams */
3400 for(stream = first_stream; stream != NULL; stream = stream->next) {
3401 feed = stream->feed;
3403 if (!stream->is_feed) {
3404 /* we handle a stream coming from a feed */
3405 for(i=0;i<stream->nb_streams;i++)
3406 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3411 /* gather all streams */
3412 for(stream = first_stream; stream != NULL; stream = stream->next) {
3413 feed = stream->feed;
3415 if (stream->is_feed) {
3416 for(i=0;i<stream->nb_streams;i++)
3417 stream->feed_streams[i] = i;
3422 /* create feed files if needed */
3423 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3426 if (url_exist(feed->feed_filename)) {
3427 /* See if it matches */
3431 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3432 /* Now see if it matches */
3433 if (s->nb_streams == feed->nb_streams) {
3435 for(i=0;i<s->nb_streams;i++) {
3437 sf = feed->streams[i];
3440 if (sf->index != ss->index ||
3442 printf("Index & Id do not match for stream %d (%s)\n",
3443 i, feed->feed_filename);
3446 AVCodecContext *ccf, *ccs;
3450 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3452 if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
3453 printf("Codecs do not match for stream %d\n", i);
3455 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3456 printf("Codec bitrates do not match for stream %d\n", i);
3458 } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
3459 if (CHECK_CODEC(time_base.den) ||
3460 CHECK_CODEC(time_base.num) ||
3461 CHECK_CODEC(width) ||
3462 CHECK_CODEC(height)) {
3463 printf("Codec width, height and framerate do not match for stream %d\n", i);
3466 } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
3467 if (CHECK_CODEC(sample_rate) ||
3468 CHECK_CODEC(channels) ||
3469 CHECK_CODEC(frame_size)) {
3470 printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3474 printf("Unknown codec type\n");
3482 printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3483 feed->feed_filename, s->nb_streams, feed->nb_streams);
3485 av_close_input_file(s);
3487 printf("Deleting feed file '%s' as it appears to be corrupt\n",
3488 feed->feed_filename);
3491 if (feed->readonly) {
3492 printf("Unable to delete feed file '%s' as it is marked readonly\n",
3493 feed->feed_filename);
3496 unlink(feed->feed_filename);
3499 if (!url_exist(feed->feed_filename)) {
3500 AVFormatContext s1, *s = &s1;
3502 if (feed->readonly) {
3503 printf("Unable to create feed file '%s' as it is marked readonly\n",
3504 feed->feed_filename);
3508 /* only write the header of the ffm file */
3509 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3510 http_log("Could not open output feed file '%s'\n",
3511 feed->feed_filename);
3514 s->oformat = feed->fmt;
3515 s->nb_streams = feed->nb_streams;
3516 for(i=0;i<s->nb_streams;i++) {
3518 st = feed->streams[i];
3521 av_set_parameters(s, NULL);
3522 if (av_write_header(s) < 0) {
3523 http_log("Container doesn't supports the required parameters\n");
3526 /* XXX: need better api */
3527 av_freep(&s->priv_data);
3530 /* get feed size and write index */
3531 fd = open(feed->feed_filename, O_RDONLY);
3533 http_log("Could not open output feed file '%s'\n",
3534 feed->feed_filename);
3538 feed->feed_write_index = ffm_read_write_index(fd);
3539 feed->feed_size = lseek(fd, 0, SEEK_END);
3540 /* ensure that we do not wrap before the end of file */
3541 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3542 feed->feed_max_size = feed->feed_size;
3548 /* compute the bandwidth used by each stream */
3549 static void compute_bandwidth(void)
3555 for(stream = first_stream; stream != NULL; stream = stream->next) {
3557 for(i=0;i<stream->nb_streams;i++) {
3558 AVStream *st = stream->streams[i];
3559 switch(st->codec->codec_type) {
3560 case CODEC_TYPE_AUDIO:
3561 case CODEC_TYPE_VIDEO:
3562 bandwidth += st->codec->bit_rate;
3568 stream->bandwidth = (bandwidth + 999) / 1000;
3572 static void get_arg(char *buf, int buf_size, const char **pp)
3579 while (isspace(*p)) p++;
3582 if (*p == '\"' || *p == '\'')
3594 if ((q - buf) < buf_size - 1)
3599 if (quote && *p == quote)
3604 /* add a codec and set the default parameters */
3605 static void add_codec(FFStream *stream, AVCodecContext *av)
3609 /* compute default parameters */
3610 switch(av->codec_type) {
3611 case CODEC_TYPE_AUDIO:
3612 if (av->bit_rate == 0)
3613 av->bit_rate = 64000;
3614 if (av->sample_rate == 0)
3615 av->sample_rate = 22050;
3616 if (av->channels == 0)
3619 case CODEC_TYPE_VIDEO:
3620 if (av->bit_rate == 0)
3621 av->bit_rate = 64000;
3622 if (av->time_base.num == 0){
3623 av->time_base.den = 5;
3624 av->time_base.num = 1;
3626 if (av->width == 0 || av->height == 0) {
3630 /* Bitrate tolerance is less for streaming */
3631 if (av->bit_rate_tolerance == 0)
3632 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3633 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3638 if (av->max_qdiff == 0)
3640 av->qcompress = 0.5;
3643 if (!av->nsse_weight)
3644 av->nsse_weight = 8;
3646 av->frame_skip_cmp = FF_CMP_DCTMAX;
3647 av->me_method = ME_EPZS;
3648 av->rc_buffer_aggressivity = 1.0;
3651 av->rc_eq = "tex^qComp";
3652 if (!av->i_quant_factor)
3653 av->i_quant_factor = -0.8;
3654 if (!av->b_quant_factor)
3655 av->b_quant_factor = 1.25;
3656 if (!av->b_quant_offset)
3657 av->b_quant_offset = 1.25;
3658 if (!av->rc_max_rate)
3659 av->rc_max_rate = av->bit_rate * 2;
3661 if (av->rc_max_rate && !av->rc_buffer_size) {
3662 av->rc_buffer_size = av->rc_max_rate;
3671 st = av_mallocz(sizeof(AVStream));
3674 st->codec = avcodec_alloc_context();
3675 stream->streams[stream->nb_streams++] = st;
3676 memcpy(st->codec, av, sizeof(AVCodecContext));
3679 static int opt_audio_codec(const char *arg)
3681 AVCodec *p= avcodec_find_encoder_by_name(arg);
3683 if (p == NULL || p->type != CODEC_TYPE_AUDIO)
3684 return CODEC_ID_NONE;
3689 static int opt_video_codec(const char *arg)
3691 AVCodec *p= avcodec_find_encoder_by_name(arg);
3693 if (p == NULL || p->type != CODEC_TYPE_VIDEO)
3694 return CODEC_ID_NONE;
3699 /* simplistic plugin support */
3702 static void load_module(const char *filename)
3705 void (*init_func)(void);
3706 dll = dlopen(filename, RTLD_NOW);
3708 fprintf(stderr, "Could not load module '%s' - %s\n",
3709 filename, dlerror());
3713 init_func = dlsym(dll, "ffserver_module_init");
3716 "%s: init function 'ffserver_module_init()' not found\n",
3725 static int opt_default(const char *opt, const char *arg,
3726 AVCodecContext *avctx, int type)
3728 const AVOption *o = NULL;
3729 const AVOption *o2 = av_find_opt(avctx, opt, NULL, type, type);
3731 o = av_set_string(avctx, opt, arg);
3737 static int parse_ffconfig(const char *filename)
3744 int val, errors, line_num;
3745 FFStream **last_stream, *stream, *redirect;
3746 FFStream **last_feed, *feed;
3747 AVCodecContext audio_enc, video_enc;
3748 int audio_id, video_id;
3750 f = fopen(filename, "r");
3758 first_stream = NULL;
3759 last_stream = &first_stream;
3761 last_feed = &first_feed;
3765 audio_id = CODEC_ID_NONE;
3766 video_id = CODEC_ID_NONE;
3768 if (fgets(line, sizeof(line), f) == NULL)
3774 if (*p == '\0' || *p == '#')
3777 get_arg(cmd, sizeof(cmd), &p);
3779 if (!strcasecmp(cmd, "Port")) {
3780 get_arg(arg, sizeof(arg), &p);
3782 if (val < 1 || val > 65536) {
3783 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3784 filename, line_num, arg);
3787 my_http_addr.sin_port = htons(val);
3788 } else if (!strcasecmp(cmd, "BindAddress")) {
3789 get_arg(arg, sizeof(arg), &p);
3790 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
3791 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3792 filename, line_num, arg);
3795 } else if (!strcasecmp(cmd, "NoDaemon")) {
3796 ffserver_daemon = 0;
3797 } else if (!strcasecmp(cmd, "RTSPPort")) {
3798 get_arg(arg, sizeof(arg), &p);
3800 if (val < 1 || val > 65536) {
3801 fprintf(stderr, "%s:%d: Invalid port: %s\n",
3802 filename, line_num, arg);
3805 my_rtsp_addr.sin_port = htons(atoi(arg));
3806 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
3807 get_arg(arg, sizeof(arg), &p);
3808 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
3809 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
3810 filename, line_num, arg);
3813 } else if (!strcasecmp(cmd, "MaxClients")) {
3814 get_arg(arg, sizeof(arg), &p);
3816 if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
3817 fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
3818 filename, line_num, arg);
3821 nb_max_connections = val;
3823 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
3825 get_arg(arg, sizeof(arg), &p);
3827 if (llval < 10 || llval > 10000000) {
3828 fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
3829 filename, line_num, arg);
3832 max_bandwidth = llval;
3833 } else if (!strcasecmp(cmd, "CustomLog")) {
3834 if (!ffserver_debug)
3835 get_arg(logfilename, sizeof(logfilename), &p);
3836 } else if (!strcasecmp(cmd, "<Feed")) {
3837 /*********************************************/
3838 /* Feed related options */
3840 if (stream || feed) {
3841 fprintf(stderr, "%s:%d: Already in a tag\n",
3842 filename, line_num);
3844 feed = av_mallocz(sizeof(FFStream));
3845 /* add in stream list */
3846 *last_stream = feed;
3847 last_stream = &feed->next;
3848 /* add in feed list */
3850 last_feed = &feed->next_feed;
3852 get_arg(feed->filename, sizeof(feed->filename), &p);
3853 q = strrchr(feed->filename, '>');
3856 feed->fmt = guess_format("ffm", NULL, NULL);
3857 /* defaut feed file */
3858 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
3859 "/tmp/%s.ffm", feed->filename);
3860 feed->feed_max_size = 5 * 1024 * 1024;
3862 feed->feed = feed; /* self feeding :-) */
3864 } else if (!strcasecmp(cmd, "Launch")) {
3868 feed->child_argv = av_mallocz(64 * sizeof(char *));
3870 for (i = 0; i < 62; i++) {
3871 get_arg(arg, sizeof(arg), &p);
3875 feed->child_argv[i] = av_strdup(arg);
3878 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
3880 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
3882 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
3883 inet_ntoa(my_http_addr.sin_addr),
3884 ntohs(my_http_addr.sin_port), feed->filename);
3889 fprintf(stdout, "Launch commandline: ");
3890 for (j = 0; j <= i; j++)
3891 fprintf(stdout, "%s ", feed->child_argv[j]);
3892 fprintf(stdout, "\n");
3895 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
3897 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3899 } else if (stream) {
3900 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3902 } else if (!strcasecmp(cmd, "File")) {
3904 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
3906 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
3907 } else if (!strcasecmp(cmd, "FileMaxSize")) {
3912 get_arg(arg, sizeof(arg), &p);
3914 fsize = strtod(p1, &p1);
3915 switch(toupper(*p1)) {
3920 fsize *= 1024 * 1024;
3923 fsize *= 1024 * 1024 * 1024;
3926 feed->feed_max_size = (int64_t)fsize;
3928 } else if (!strcasecmp(cmd, "</Feed>")) {
3930 fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
3931 filename, line_num);
3935 } else if (!strcasecmp(cmd, "<Stream")) {
3936 /*********************************************/
3937 /* Stream related options */
3939 if (stream || feed) {
3940 fprintf(stderr, "%s:%d: Already in a tag\n",
3941 filename, line_num);
3943 const AVClass *class;
3944 stream = av_mallocz(sizeof(FFStream));
3945 *last_stream = stream;
3946 last_stream = &stream->next;
3948 get_arg(stream->filename, sizeof(stream->filename), &p);
3949 q = strrchr(stream->filename, '>');
3952 stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
3953 /* fetch avclass so AVOption works
3954 * FIXME try to use avcodec_get_context_defaults2
3955 * without changing defaults too much */
3956 avcodec_get_context_defaults(&video_enc);
3957 class = video_enc.av_class;
3958 memset(&audio_enc, 0, sizeof(AVCodecContext));
3959 memset(&video_enc, 0, sizeof(AVCodecContext));
3960 audio_enc.av_class = class;
3961 video_enc.av_class = class;
3962 audio_id = CODEC_ID_NONE;
3963 video_id = CODEC_ID_NONE;
3965 audio_id = stream->fmt->audio_codec;
3966 video_id = stream->fmt->video_codec;
3969 } else if (!strcasecmp(cmd, "Feed")) {
3970 get_arg(arg, sizeof(arg), &p);
3975 while (sfeed != NULL) {
3976 if (!strcmp(sfeed->filename, arg))
3978 sfeed = sfeed->next_feed;
3981 fprintf(stderr, "%s:%d: feed '%s' not defined\n",
3982 filename, line_num, arg);
3984 stream->feed = sfeed;
3986 } else if (!strcasecmp(cmd, "Format")) {
3987 get_arg(arg, sizeof(arg), &p);
3989 if (!strcmp(arg, "status")) {
3990 stream->stream_type = STREAM_TYPE_STATUS;
3993 stream->stream_type = STREAM_TYPE_LIVE;
3994 /* jpeg cannot be used here, so use single frame jpeg */
3995 if (!strcmp(arg, "jpeg"))
3996 strcpy(arg, "mjpeg");
3997 stream->fmt = guess_stream_format(arg, NULL, NULL);
3999 fprintf(stderr, "%s:%d: Unknown Format: %s\n",
4000 filename, line_num, arg);
4005 audio_id = stream->fmt->audio_codec;
4006 video_id = stream->fmt->video_codec;
4009 } else if (!strcasecmp(cmd, "InputFormat")) {
4010 get_arg(arg, sizeof(arg), &p);
4011 stream->ifmt = av_find_input_format(arg);
4012 if (!stream->ifmt) {
4013 fprintf(stderr, "%s:%d: Unknown input format: %s\n",
4014 filename, line_num, arg);
4016 } else if (!strcasecmp(cmd, "FaviconURL")) {
4017 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4018 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4020 fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
4021 filename, line_num);
4024 } else if (!strcasecmp(cmd, "Author")) {
4026 get_arg(stream->author, sizeof(stream->author), &p);
4027 } else if (!strcasecmp(cmd, "Comment")) {
4029 get_arg(stream->comment, sizeof(stream->comment), &p);
4030 } else if (!strcasecmp(cmd, "Copyright")) {
4032 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4033 } else if (!strcasecmp(cmd, "Title")) {
4035 get_arg(stream->title, sizeof(stream->title), &p);
4036 } else if (!strcasecmp(cmd, "Preroll")) {
4037 get_arg(arg, sizeof(arg), &p);
4039 stream->prebuffer = atof(arg) * 1000;
4040 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4042 stream->send_on_key = 1;
4043 } else if (!strcasecmp(cmd, "AudioCodec")) {
4044 get_arg(arg, sizeof(arg), &p);
4045 audio_id = opt_audio_codec(arg);
4046 if (audio_id == CODEC_ID_NONE) {
4047 fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
4048 filename, line_num, arg);
4051 } else if (!strcasecmp(cmd, "VideoCodec")) {
4052 get_arg(arg, sizeof(arg), &p);
4053 video_id = opt_video_codec(arg);
4054 if (video_id == CODEC_ID_NONE) {
4055 fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
4056 filename, line_num, arg);
4059 } else if (!strcasecmp(cmd, "MaxTime")) {
4060 get_arg(arg, sizeof(arg), &p);
4062 stream->max_time = atof(arg) * 1000;
4063 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4064 get_arg(arg, sizeof(arg), &p);
4066 audio_enc.bit_rate = atoi(arg) * 1000;
4067 } else if (!strcasecmp(cmd, "AudioChannels")) {
4068 get_arg(arg, sizeof(arg), &p);
4070 audio_enc.channels = atoi(arg);
4071 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4072 get_arg(arg, sizeof(arg), &p);
4074 audio_enc.sample_rate = atoi(arg);
4075 } else if (!strcasecmp(cmd, "AudioQuality")) {
4076 get_arg(arg, sizeof(arg), &p);
4078 // audio_enc.quality = atof(arg) * 1000;
4080 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4082 int minrate, maxrate;
4084 get_arg(arg, sizeof(arg), &p);
4086 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4087 video_enc.rc_min_rate = minrate * 1000;
4088 video_enc.rc_max_rate = maxrate * 1000;
4090 fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
4091 filename, line_num, arg);
4095 } else if (!strcasecmp(cmd, "Debug")) {
4097 get_arg(arg, sizeof(arg), &p);
4098 video_enc.debug = strtol(arg,0,0);
4100 } else if (!strcasecmp(cmd, "Strict")) {
4102 get_arg(arg, sizeof(arg), &p);
4103 video_enc.strict_std_compliance = atoi(arg);
4105 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4107 get_arg(arg, sizeof(arg), &p);
4108 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4110 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4112 get_arg(arg, sizeof(arg), &p);
4113 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4115 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 video_enc.bit_rate = atoi(arg) * 1000;
4120 } else if (!strcasecmp(cmd, "VideoSize")) {
4121 get_arg(arg, sizeof(arg), &p);
4123 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4124 if ((video_enc.width % 16) != 0 ||
4125 (video_enc.height % 16) != 0) {
4126 fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
4127 filename, line_num);
4131 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4132 get_arg(arg, sizeof(arg), &p);
4134 AVRational frame_rate;
4135 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4136 fprintf(stderr, "Incorrect frame rate\n");
4139 video_enc.time_base.num = frame_rate.den;
4140 video_enc.time_base.den = frame_rate.num;
4143 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4144 get_arg(arg, sizeof(arg), &p);
4146 video_enc.gop_size = atoi(arg);
4147 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4149 video_enc.gop_size = 1;
4150 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4152 video_enc.mb_decision = FF_MB_DECISION_BITS;
4153 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4155 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4156 video_enc.flags |= CODEC_FLAG_4MV;
4158 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4159 !strcasecmp(cmd, "AVOptionAudio")) {
4161 AVCodecContext *avctx;
4163 get_arg(arg, sizeof(arg), &p);
4164 get_arg(arg2, sizeof(arg2), &p);
4165 if (!strcasecmp(cmd, "AVOptionVideo")) {
4167 type = AV_OPT_FLAG_VIDEO_PARAM;
4170 type = AV_OPT_FLAG_AUDIO_PARAM;
4172 if (opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4173 fprintf(stderr, "AVOption error: %s %s\n", arg, arg2);
4176 } else if (!strcasecmp(cmd, "VideoTag")) {
4177 get_arg(arg, sizeof(arg), &p);
4178 if ((strlen(arg) == 4) && stream)
4179 video_enc.codec_tag = ff_get_fourcc(arg);
4180 } else if (!strcasecmp(cmd, "BitExact")) {
4182 video_enc.flags |= CODEC_FLAG_BITEXACT;
4183 } else if (!strcasecmp(cmd, "DctFastint")) {
4185 video_enc.dct_algo = FF_DCT_FASTINT;
4186 } else if (!strcasecmp(cmd, "IdctSimple")) {
4188 video_enc.idct_algo = FF_IDCT_SIMPLE;
4189 } else if (!strcasecmp(cmd, "Qscale")) {
4190 get_arg(arg, sizeof(arg), &p);
4192 video_enc.flags |= CODEC_FLAG_QSCALE;
4193 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4195 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4196 get_arg(arg, sizeof(arg), &p);
4198 video_enc.max_qdiff = atoi(arg);
4199 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4200 fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
4201 filename, line_num);
4205 } else if (!strcasecmp(cmd, "VideoQMax")) {
4206 get_arg(arg, sizeof(arg), &p);
4208 video_enc.qmax = atoi(arg);
4209 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4210 fprintf(stderr, "%s:%d: VideoQMax out of range\n",
4211 filename, line_num);
4215 } else if (!strcasecmp(cmd, "VideoQMin")) {
4216 get_arg(arg, sizeof(arg), &p);
4218 video_enc.qmin = atoi(arg);
4219 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4220 fprintf(stderr, "%s:%d: VideoQMin out of range\n",
4221 filename, line_num);
4225 } else if (!strcasecmp(cmd, "LumaElim")) {
4226 get_arg(arg, sizeof(arg), &p);
4228 video_enc.luma_elim_threshold = atoi(arg);
4229 } else if (!strcasecmp(cmd, "ChromaElim")) {
4230 get_arg(arg, sizeof(arg), &p);
4232 video_enc.chroma_elim_threshold = atoi(arg);
4233 } else if (!strcasecmp(cmd, "LumiMask")) {
4234 get_arg(arg, sizeof(arg), &p);
4236 video_enc.lumi_masking = atof(arg);
4237 } else if (!strcasecmp(cmd, "DarkMask")) {
4238 get_arg(arg, sizeof(arg), &p);
4240 video_enc.dark_masking = atof(arg);
4241 } else if (!strcasecmp(cmd, "NoVideo")) {
4242 video_id = CODEC_ID_NONE;
4243 } else if (!strcasecmp(cmd, "NoAudio")) {
4244 audio_id = CODEC_ID_NONE;
4245 } else if (!strcasecmp(cmd, "ACL")) {
4248 get_arg(arg, sizeof(arg), &p);
4249 if (strcasecmp(arg, "allow") == 0)
4250 acl.action = IP_ALLOW;
4251 else if (strcasecmp(arg, "deny") == 0)
4252 acl.action = IP_DENY;
4254 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
4255 filename, line_num, arg);
4259 get_arg(arg, sizeof(arg), &p);
4261 if (resolve_host(&acl.first, arg) != 0) {
4262 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4263 filename, line_num, arg);
4266 acl.last = acl.first;
4268 get_arg(arg, sizeof(arg), &p);
4271 if (resolve_host(&acl.last, arg) != 0) {
4272 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
4273 filename, line_num, arg);
4279 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
4280 IPAddressACL **naclp = 0;
4286 naclp = &stream->acl;
4290 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
4291 filename, line_num);
4297 naclp = &(*naclp)->next;
4302 } else if (!strcasecmp(cmd, "RTSPOption")) {
4303 get_arg(arg, sizeof(arg), &p);
4305 av_freep(&stream->rtsp_option);
4306 stream->rtsp_option = av_strdup(arg);
4308 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4309 get_arg(arg, sizeof(arg), &p);
4311 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4312 fprintf(stderr, "%s:%d: Invalid host/IP address: %s\n",
4313 filename, line_num, arg);
4316 stream->is_multicast = 1;
4317 stream->loop = 1; /* default is looping */
4319 } else if (!strcasecmp(cmd, "MulticastPort")) {
4320 get_arg(arg, sizeof(arg), &p);
4322 stream->multicast_port = atoi(arg);
4323 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4324 get_arg(arg, sizeof(arg), &p);
4326 stream->multicast_ttl = atoi(arg);
4327 } else if (!strcasecmp(cmd, "NoLoop")) {
4330 } else if (!strcasecmp(cmd, "</Stream>")) {
4332 fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
4333 filename, line_num);
4336 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4337 if (audio_id != CODEC_ID_NONE) {
4338 audio_enc.codec_type = CODEC_TYPE_AUDIO;
4339 audio_enc.codec_id = audio_id;
4340 add_codec(stream, &audio_enc);
4342 if (video_id != CODEC_ID_NONE) {
4343 video_enc.codec_type = CODEC_TYPE_VIDEO;
4344 video_enc.codec_id = video_id;
4345 add_codec(stream, &video_enc);
4350 } else if (!strcasecmp(cmd, "<Redirect")) {
4351 /*********************************************/
4353 if (stream || feed || redirect) {
4354 fprintf(stderr, "%s:%d: Already in a tag\n",
4355 filename, line_num);
4358 redirect = av_mallocz(sizeof(FFStream));
4359 *last_stream = redirect;
4360 last_stream = &redirect->next;
4362 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4363 q = strrchr(redirect->filename, '>');
4366 redirect->stream_type = STREAM_TYPE_REDIRECT;
4368 } else if (!strcasecmp(cmd, "URL")) {
4370 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4371 } else if (!strcasecmp(cmd, "</Redirect>")) {
4373 fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
4374 filename, line_num);
4377 if (!redirect->feed_filename[0]) {
4378 fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
4379 filename, line_num);
4384 } else if (!strcasecmp(cmd, "LoadModule")) {
4385 get_arg(arg, sizeof(arg), &p);
4389 fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
4390 filename, line_num, arg);
4394 fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
4395 filename, line_num, cmd);
4407 static void handle_child_exit(int sig)
4412 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4415 for (feed = first_feed; feed; feed = feed->next) {
4416 if (feed->pid == pid) {
4417 int uptime = time(0) - feed->pid_start;
4420 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4423 /* Turn off any more restarts */
4424 feed->child_argv = 0;
4429 need_to_start_children = 1;
4432 static void opt_debug()
4435 ffserver_daemon = 0;
4436 logfilename[0] = '-';
4439 static void opt_show_help(void)
4441 printf("usage: ffserver [options]\n"
4442 "Hyper fast multi format Audio/Video streaming server\n");
4444 show_help_options(options, "Main options:\n", 0, 0);
4447 static const OptionDef options[] = {
4448 { "h", OPT_EXIT, {(void*)opt_show_help}, "show help" },
4449 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
4450 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
4451 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4452 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4453 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4454 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4458 int main(int argc, char **argv)
4460 struct sigaction sigact;
4466 config_filename = "/etc/ffserver.conf";
4468 my_program_name = argv[0];
4469 my_program_dir = getcwd(0, 0);
4470 ffserver_daemon = 1;
4472 parse_options(argc, argv, options, NULL);
4474 unsetenv("http_proxy"); /* Kill the http_proxy */
4476 av_init_random(av_gettime() + (getpid() << 16), &random_state);
4478 memset(&sigact, 0, sizeof(sigact));
4479 sigact.sa_handler = handle_child_exit;
4480 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4481 sigaction(SIGCHLD, &sigact, 0);
4483 if (parse_ffconfig(config_filename) < 0) {
4484 fprintf(stderr, "Incorrect config file - exiting.\n");
4488 build_file_streams();
4490 build_feed_streams();
4492 compute_bandwidth();
4494 /* put the process in background and detach it from its TTY */
4495 if (ffserver_daemon) {
4502 } else if (pid > 0) {
4510 open("/dev/null", O_RDWR);
4511 if (strcmp(logfilename, "-") != 0) {
4521 signal(SIGPIPE, SIG_IGN);
4523 /* open log file if needed */
4524 if (logfilename[0] != '\0') {
4525 if (!strcmp(logfilename, "-"))
4528 logfile = fopen(logfilename, "a");
4529 av_log_set_callback(http_av_log);
4532 if (http_server() < 0) {
4533 http_log("Could not start server\n");