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
22 #define _XOPEN_SOURCE 600
26 #define closesocket close
31 #include "libavformat/avformat.h"
32 #include "libavformat/network.h"
33 #include "libavformat/os_support.h"
34 #include "libavformat/rtpdec.h"
35 #include "libavformat/rtsp.h"
36 #include "libavutil/avstring.h"
37 #include "libavutil/lfg.h"
38 #include "libavutil/random_seed.h"
39 #include "libavcodec/opt.h"
43 #include <sys/ioctl.h>
58 const char program_name[] = "FFserver";
59 const int program_birth_year = 2000;
61 static const OptionDef options[];
64 HTTPSTATE_WAIT_REQUEST,
65 HTTPSTATE_SEND_HEADER,
66 HTTPSTATE_SEND_DATA_HEADER,
67 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
68 HTTPSTATE_SEND_DATA_TRAILER,
69 HTTPSTATE_RECEIVE_DATA,
70 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
73 RTSPSTATE_WAIT_REQUEST,
75 RTSPSTATE_SEND_PACKET,
78 static const char *http_state[] = {
94 #define IOBUFFER_INIT_SIZE 8192
96 /* timeouts are in ms */
97 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
98 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
100 #define SYNC_TIMEOUT (10 * 1000)
102 typedef struct RTSPActionServerSetup {
104 char transport_option[512];
105 } RTSPActionServerSetup;
108 int64_t count1, count2;
109 int64_t time1, time2;
112 /* context associated with one connection */
113 typedef struct HTTPContext {
114 enum HTTPState state;
115 int fd; /* socket file descriptor */
116 struct sockaddr_in from_addr; /* origin */
117 struct pollfd *poll_entry; /* used when polling */
119 uint8_t *buffer_ptr, *buffer_end;
122 int chunked_encoding;
123 int chunk_size; /* 0 if it needs to be read */
124 struct HTTPContext *next;
125 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
129 /* input format handling */
130 AVFormatContext *fmt_in;
131 int64_t start_time; /* In milliseconds - this wraps fairly often */
132 int64_t first_pts; /* initial pts value */
133 int64_t cur_pts; /* current pts value from the stream in us */
134 int64_t cur_frame_duration; /* duration of the current frame in us */
135 int cur_frame_bytes; /* output frame size, needed to compute
136 the time at which we send each
138 int pts_stream_index; /* stream we choose as clock reference */
139 int64_t cur_clock; /* current clock reference value in us */
140 /* output format handling */
141 struct FFStream *stream;
142 /* -1 is invalid stream */
143 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
144 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
146 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
147 int last_packet_sent; /* true if last data packet was sent */
149 DataRateData datarate;
156 int is_packetized; /* if true, the stream is packetized */
157 int packet_stream_index; /* current stream for output in state machine */
159 /* RTSP state specific */
160 uint8_t *pb_buffer; /* XXX: use that in all the code */
162 int seq; /* RTSP sequence number */
164 /* RTP state specific */
165 enum RTSPLowerTransport rtp_protocol;
166 char session_id[32]; /* session id */
167 AVFormatContext *rtp_ctx[MAX_STREAMS];
169 /* RTP/UDP specific */
170 URLContext *rtp_handles[MAX_STREAMS];
172 /* RTP/TCP specific */
173 struct HTTPContext *rtsp_c;
174 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
177 /* each generated stream is described here */
181 STREAM_TYPE_REDIRECT,
184 enum IPAddressAction {
189 typedef struct IPAddressACL {
190 struct IPAddressACL *next;
191 enum IPAddressAction action;
192 /* These are in host order */
193 struct in_addr first;
197 /* description of each stream of the ffserver.conf file */
198 typedef struct FFStream {
199 enum StreamType stream_type;
200 char filename[1024]; /* stream filename */
201 struct FFStream *feed; /* feed we are using (can be null if
203 AVFormatParameters *ap_in; /* input parameters */
204 AVInputFormat *ifmt; /* if non NULL, force input format */
207 char dynamic_acl[1024];
209 int prebuffer; /* Number of millseconds early to start */
210 int64_t max_time; /* Number of milliseconds to run */
212 AVStream *streams[MAX_STREAMS];
213 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
214 char feed_filename[1024]; /* file name of the feed storage, or
215 input file name for a stream */
220 pid_t pid; /* Of ffmpeg process */
221 time_t pid_start; /* Of ffmpeg process */
223 struct FFStream *next;
224 unsigned bandwidth; /* bandwidth, in kbits/s */
227 /* multicast specific */
229 struct in_addr multicast_ip;
230 int multicast_port; /* first port used for multicast */
232 int loop; /* if true, send the stream in loops (only meaningful if file) */
235 int feed_opened; /* true if someone is writing to the feed */
236 int is_feed; /* true if it is a feed */
237 int readonly; /* True if writing is prohibited to the file */
238 int truncate; /* True if feeder connection truncate the feed file */
240 int64_t bytes_served;
241 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
242 int64_t feed_write_index; /* current write position in feed (it wraps around) */
243 int64_t feed_size; /* current size of feed */
244 struct FFStream *next_feed;
247 typedef struct FeedData {
248 long long data_count;
249 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
252 static struct sockaddr_in my_http_addr;
253 static struct sockaddr_in my_rtsp_addr;
255 static char logfilename[1024];
256 static HTTPContext *first_http_ctx;
257 static FFStream *first_feed; /* contains only feeds */
258 static FFStream *first_stream; /* contains all streams, including feeds */
260 static void new_connection(int server_fd, int is_rtsp);
261 static void close_connection(HTTPContext *c);
264 static int handle_connection(HTTPContext *c);
265 static int http_parse_request(HTTPContext *c);
266 static int http_send_data(HTTPContext *c);
267 static void compute_status(HTTPContext *c);
268 static int open_input_stream(HTTPContext *c, const char *info);
269 static int http_start_receive_data(HTTPContext *c);
270 static int http_receive_data(HTTPContext *c);
273 static int rtsp_parse_request(HTTPContext *c);
274 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
275 static void rtsp_cmd_options(HTTPContext *c, const char *url);
276 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
277 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
278 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
279 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
282 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
283 struct in_addr my_ip);
286 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
287 FFStream *stream, const char *session_id,
288 enum RTSPLowerTransport rtp_protocol);
289 static int rtp_new_av_stream(HTTPContext *c,
290 int stream_index, struct sockaddr_in *dest_addr,
291 HTTPContext *rtsp_c);
293 static const char *my_program_name;
294 static const char *my_program_dir;
296 static const char *config_filename = "/etc/ffserver.conf";
298 static int ffserver_debug;
299 static int ffserver_daemon;
300 static int no_launch;
301 static int need_to_start_children;
303 /* maximum number of simultaneous HTTP connections */
304 static unsigned int nb_max_http_connections = 2000;
305 static unsigned int nb_max_connections = 5;
306 static unsigned int nb_connections;
308 static uint64_t max_bandwidth = 1000;
309 static uint64_t current_bandwidth;
311 static int64_t cur_time; // Making this global saves on passing it around everywhere
313 static AVLFG random_state;
315 static FILE *logfile = NULL;
317 /* FIXME: make ffserver work with IPv6 */
318 /* resolve host with also IP address parsing */
319 static int resolve_host(struct in_addr *sin_addr, const char *hostname)
322 if (!ff_inet_aton(hostname, sin_addr)) {
324 struct addrinfo *ai, *cur;
325 struct addrinfo hints;
326 memset(&hints, 0, sizeof(hints));
327 hints.ai_family = AF_INET;
328 if (getaddrinfo(hostname, NULL, &hints, &ai))
330 /* getaddrinfo returns a linked list of addrinfo structs.
331 * Even if we set ai_family = AF_INET above, make sure
332 * that the returned one actually is of the correct type. */
333 for (cur = ai; cur; cur = cur->ai_next) {
334 if (cur->ai_family == AF_INET) {
335 *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
344 hp = gethostbyname(hostname);
347 memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
353 static char *ctime1(char *buf2)
361 p = buf2 + strlen(p) - 1;
367 static void http_vlog(const char *fmt, va_list vargs)
369 static int print_prefix = 1;
374 fprintf(logfile, "%s ", buf);
376 print_prefix = strstr(fmt, "\n") != NULL;
377 vfprintf(logfile, fmt, vargs);
382 static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
385 va_start(vargs, fmt);
386 http_vlog(fmt, vargs);
390 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
392 static int print_prefix = 1;
393 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
394 if (level > av_log_get_level())
396 if (print_prefix && avc)
397 http_log("[%s @ %p]", avc->item_name(ptr), ptr);
398 print_prefix = strstr(fmt, "\n") != NULL;
399 http_vlog(fmt, vargs);
402 static void log_connection(HTTPContext *c)
407 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
408 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
409 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
412 static void update_datarate(DataRateData *drd, int64_t count)
414 if (!drd->time1 && !drd->count1) {
415 drd->time1 = drd->time2 = cur_time;
416 drd->count1 = drd->count2 = count;
417 } else if (cur_time - drd->time2 > 5000) {
418 drd->time1 = drd->time2;
419 drd->count1 = drd->count2;
420 drd->time2 = cur_time;
425 /* In bytes per second */
426 static int compute_datarate(DataRateData *drd, int64_t count)
428 if (cur_time == drd->time1)
431 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
435 static void start_children(FFStream *feed)
440 for (; feed; feed = feed->next) {
441 if (feed->child_argv && !feed->pid) {
442 feed->pid_start = time(0);
447 http_log("Unable to create children\n");
456 av_strlcpy(pathname, my_program_name, sizeof(pathname));
458 slash = strrchr(pathname, '/');
463 strcpy(slash, "ffmpeg");
465 http_log("Launch commandline: ");
466 http_log("%s ", pathname);
467 for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
468 http_log("%s ", feed->child_argv[i]);
471 for (i = 3; i < 256; i++)
474 if (!ffserver_debug) {
475 i = open("/dev/null", O_RDWR);
484 /* This is needed to make relative pathnames work */
485 chdir(my_program_dir);
487 signal(SIGPIPE, SIG_DFL);
489 execvp(pathname, feed->child_argv);
497 /* open a listening socket */
498 static int socket_open_listen(struct sockaddr_in *my_addr)
502 server_fd = socket(AF_INET,SOCK_STREAM,0);
509 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
511 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
513 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
515 closesocket(server_fd);
519 if (listen (server_fd, 5) < 0) {
521 closesocket(server_fd);
524 ff_socket_nonblock(server_fd, 1);
529 /* start all multicast streams */
530 static void start_multicast(void)
535 struct sockaddr_in dest_addr;
536 int default_port, stream_index;
539 for(stream = first_stream; stream != NULL; stream = stream->next) {
540 if (stream->is_multicast) {
541 /* open the RTP connection */
542 snprintf(session_id, sizeof(session_id), "%08x%08x",
543 av_lfg_get(&random_state), av_lfg_get(&random_state));
545 /* choose a port if none given */
546 if (stream->multicast_port == 0) {
547 stream->multicast_port = default_port;
551 dest_addr.sin_family = AF_INET;
552 dest_addr.sin_addr = stream->multicast_ip;
553 dest_addr.sin_port = htons(stream->multicast_port);
555 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
556 RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
560 if (open_input_stream(rtp_c, "") < 0) {
561 http_log("Could not open input stream for stream '%s'\n",
566 /* open each RTP stream */
567 for(stream_index = 0; stream_index < stream->nb_streams;
569 dest_addr.sin_port = htons(stream->multicast_port +
571 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
572 http_log("Could not open output stream '%s/streamid=%d'\n",
573 stream->filename, stream_index);
578 /* change state to send data */
579 rtp_c->state = HTTPSTATE_SEND_DATA;
584 /* main loop of the http server */
585 static int http_server(void)
587 int server_fd = 0, rtsp_server_fd = 0;
588 int ret, delay, delay1;
589 struct pollfd *poll_table, *poll_entry;
590 HTTPContext *c, *c_next;
592 if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
593 http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
597 if (my_http_addr.sin_port) {
598 server_fd = socket_open_listen(&my_http_addr);
603 if (my_rtsp_addr.sin_port) {
604 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
605 if (rtsp_server_fd < 0)
609 if (!rtsp_server_fd && !server_fd) {
610 http_log("HTTP and RTSP disabled.\n");
614 http_log("FFserver started.\n");
616 start_children(first_feed);
621 poll_entry = poll_table;
623 poll_entry->fd = server_fd;
624 poll_entry->events = POLLIN;
627 if (rtsp_server_fd) {
628 poll_entry->fd = rtsp_server_fd;
629 poll_entry->events = POLLIN;
633 /* wait for events on each HTTP handle */
640 case HTTPSTATE_SEND_HEADER:
641 case RTSPSTATE_SEND_REPLY:
642 case RTSPSTATE_SEND_PACKET:
643 c->poll_entry = poll_entry;
645 poll_entry->events = POLLOUT;
648 case HTTPSTATE_SEND_DATA_HEADER:
649 case HTTPSTATE_SEND_DATA:
650 case HTTPSTATE_SEND_DATA_TRAILER:
651 if (!c->is_packetized) {
652 /* for TCP, we output as much as we can (may need to put a limit) */
653 c->poll_entry = poll_entry;
655 poll_entry->events = POLLOUT;
658 /* when ffserver is doing the timing, we work by
659 looking at which packet need to be sent every
661 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
666 case HTTPSTATE_WAIT_REQUEST:
667 case HTTPSTATE_RECEIVE_DATA:
668 case HTTPSTATE_WAIT_FEED:
669 case RTSPSTATE_WAIT_REQUEST:
670 /* need to catch errors */
671 c->poll_entry = poll_entry;
673 poll_entry->events = POLLIN;/* Maybe this will work */
677 c->poll_entry = NULL;
683 /* wait for an event on one connection. We poll at least every
684 second to handle timeouts */
686 ret = poll(poll_table, poll_entry - poll_table, delay);
687 if (ret < 0 && ff_neterrno() != FF_NETERROR(EAGAIN) &&
688 ff_neterrno() != FF_NETERROR(EINTR))
692 cur_time = av_gettime() / 1000;
694 if (need_to_start_children) {
695 need_to_start_children = 0;
696 start_children(first_feed);
699 /* now handle the events */
700 for(c = first_http_ctx; c != NULL; c = c_next) {
702 if (handle_connection(c) < 0) {
703 /* close and free the connection */
709 poll_entry = poll_table;
711 /* new HTTP connection request ? */
712 if (poll_entry->revents & POLLIN)
713 new_connection(server_fd, 0);
716 if (rtsp_server_fd) {
717 /* new RTSP connection request ? */
718 if (poll_entry->revents & POLLIN)
719 new_connection(rtsp_server_fd, 1);
724 /* start waiting for a new HTTP/RTSP request */
725 static void start_wait_request(HTTPContext *c, int is_rtsp)
727 c->buffer_ptr = c->buffer;
728 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
731 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
732 c->state = RTSPSTATE_WAIT_REQUEST;
734 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
735 c->state = HTTPSTATE_WAIT_REQUEST;
739 static void http_send_too_busy_reply(int fd)
742 int len = snprintf(buffer, sizeof(buffer),
743 "HTTP/1.0 200 Server too busy\r\n"
744 "Content-type: text/html\r\n"
746 "<html><head><title>Too busy</title></head><body>\r\n"
747 "<p>The server is too busy to serve your request at this time.</p>\r\n"
748 "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
749 "</body></html>\r\n",
750 nb_connections, nb_max_connections);
751 send(fd, buffer, len, 0);
755 static void new_connection(int server_fd, int is_rtsp)
757 struct sockaddr_in from_addr;
759 HTTPContext *c = NULL;
761 len = sizeof(from_addr);
762 fd = accept(server_fd, (struct sockaddr *)&from_addr,
765 http_log("error during accept %s\n", strerror(errno));
768 ff_socket_nonblock(fd, 1);
770 if (nb_connections >= nb_max_connections) {
771 http_send_too_busy_reply(fd);
775 /* add a new connection */
776 c = av_mallocz(sizeof(HTTPContext));
781 c->poll_entry = NULL;
782 c->from_addr = from_addr;
783 c->buffer_size = IOBUFFER_INIT_SIZE;
784 c->buffer = av_malloc(c->buffer_size);
788 c->next = first_http_ctx;
792 start_wait_request(c, is_rtsp);
804 static void close_connection(HTTPContext *c)
806 HTTPContext **cp, *c1;
808 AVFormatContext *ctx;
812 /* remove connection from list */
813 cp = &first_http_ctx;
814 while ((*cp) != NULL) {
822 /* remove references, if any (XXX: do it faster) */
823 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
828 /* remove connection associated resources */
832 /* close each frame parser */
833 for(i=0;i<c->fmt_in->nb_streams;i++) {
834 st = c->fmt_in->streams[i];
835 if (st->codec->codec)
836 avcodec_close(st->codec);
838 av_close_input_file(c->fmt_in);
841 /* free RTP output streams if any */
844 nb_streams = c->stream->nb_streams;
846 for(i=0;i<nb_streams;i++) {
849 av_write_trailer(ctx);
850 av_metadata_free(&ctx->metadata);
851 av_free(ctx->streams[0]);
854 h = c->rtp_handles[i];
861 if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
864 if (url_open_dyn_buf(&ctx->pb) >= 0) {
865 av_write_trailer(ctx);
866 av_freep(&c->pb_buffer);
867 url_close_dyn_buf(ctx->pb, &c->pb_buffer);
872 for(i=0; i<ctx->nb_streams; i++)
873 av_free(ctx->streams[i]);
875 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
876 current_bandwidth -= c->stream->bandwidth;
878 /* signal that there is no feed if we are the feeder socket */
879 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
880 c->stream->feed_opened = 0;
884 av_freep(&c->pb_buffer);
885 av_freep(&c->packet_buffer);
891 static int handle_connection(HTTPContext *c)
896 case HTTPSTATE_WAIT_REQUEST:
897 case RTSPSTATE_WAIT_REQUEST:
899 if ((c->timeout - cur_time) < 0)
901 if (c->poll_entry->revents & (POLLERR | POLLHUP))
904 /* no need to read if no events */
905 if (!(c->poll_entry->revents & POLLIN))
909 len = recv(c->fd, c->buffer_ptr, 1, 0);
911 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
912 ff_neterrno() != FF_NETERROR(EINTR))
914 } else if (len == 0) {
917 /* search for end of request. */
919 c->buffer_ptr += len;
921 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
922 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
923 /* request found : parse it and reply */
924 if (c->state == HTTPSTATE_WAIT_REQUEST) {
925 ret = http_parse_request(c);
927 ret = rtsp_parse_request(c);
931 } else if (ptr >= c->buffer_end) {
932 /* request too long: cannot do anything */
934 } else goto read_loop;
938 case HTTPSTATE_SEND_HEADER:
939 if (c->poll_entry->revents & (POLLERR | POLLHUP))
942 /* no need to write if no events */
943 if (!(c->poll_entry->revents & POLLOUT))
945 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
947 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
948 ff_neterrno() != FF_NETERROR(EINTR)) {
949 /* error : close connection */
950 av_freep(&c->pb_buffer);
954 c->buffer_ptr += len;
956 c->stream->bytes_served += len;
957 c->data_count += len;
958 if (c->buffer_ptr >= c->buffer_end) {
959 av_freep(&c->pb_buffer);
963 /* all the buffer was sent : synchronize to the incoming stream */
964 c->state = HTTPSTATE_SEND_DATA_HEADER;
965 c->buffer_ptr = c->buffer_end = c->buffer;
970 case HTTPSTATE_SEND_DATA:
971 case HTTPSTATE_SEND_DATA_HEADER:
972 case HTTPSTATE_SEND_DATA_TRAILER:
973 /* for packetized output, we consider we can always write (the
974 input streams sets the speed). It may be better to verify
975 that we do not rely too much on the kernel queues */
976 if (!c->is_packetized) {
977 if (c->poll_entry->revents & (POLLERR | POLLHUP))
980 /* no need to read if no events */
981 if (!(c->poll_entry->revents & POLLOUT))
984 if (http_send_data(c) < 0)
986 /* close connection if trailer sent */
987 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
990 case HTTPSTATE_RECEIVE_DATA:
991 /* no need to read if no events */
992 if (c->poll_entry->revents & (POLLERR | POLLHUP))
994 if (!(c->poll_entry->revents & POLLIN))
996 if (http_receive_data(c) < 0)
999 case HTTPSTATE_WAIT_FEED:
1000 /* no need to read if no events */
1001 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
1004 /* nothing to do, we'll be waken up by incoming feed packets */
1007 case RTSPSTATE_SEND_REPLY:
1008 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1009 av_freep(&c->pb_buffer);
1012 /* no need to write if no events */
1013 if (!(c->poll_entry->revents & POLLOUT))
1015 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
1017 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
1018 ff_neterrno() != FF_NETERROR(EINTR)) {
1019 /* error : close connection */
1020 av_freep(&c->pb_buffer);
1024 c->buffer_ptr += len;
1025 c->data_count += len;
1026 if (c->buffer_ptr >= c->buffer_end) {
1027 /* all the buffer was sent : wait for a new request */
1028 av_freep(&c->pb_buffer);
1029 start_wait_request(c, 1);
1033 case RTSPSTATE_SEND_PACKET:
1034 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1035 av_freep(&c->packet_buffer);
1038 /* no need to write if no events */
1039 if (!(c->poll_entry->revents & POLLOUT))
1041 len = send(c->fd, c->packet_buffer_ptr,
1042 c->packet_buffer_end - c->packet_buffer_ptr, 0);
1044 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
1045 ff_neterrno() != FF_NETERROR(EINTR)) {
1046 /* error : close connection */
1047 av_freep(&c->packet_buffer);
1051 c->packet_buffer_ptr += len;
1052 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
1053 /* all the buffer was sent : wait for a new request */
1054 av_freep(&c->packet_buffer);
1055 c->state = RTSPSTATE_WAIT_REQUEST;
1059 case HTTPSTATE_READY:
1068 static int extract_rates(char *rates, int ratelen, const char *request)
1072 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1073 if (strncasecmp(p, "Pragma:", 7) == 0) {
1074 const char *q = p + 7;
1076 while (*q && *q != '\n' && isspace(*q))
1079 if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1085 memset(rates, 0xff, ratelen);
1088 while (*q && *q != '\n' && *q != ':')
1091 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1095 if (stream_no < ratelen && stream_no >= 0)
1096 rates[stream_no] = rate_no;
1098 while (*q && *q != '\n' && !isspace(*q))
1105 p = strchr(p, '\n');
1115 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1118 int best_bitrate = 100000000;
1121 for (i = 0; i < feed->nb_streams; i++) {
1122 AVCodecContext *feed_codec = feed->streams[i]->codec;
1124 if (feed_codec->codec_id != codec->codec_id ||
1125 feed_codec->sample_rate != codec->sample_rate ||
1126 feed_codec->width != codec->width ||
1127 feed_codec->height != codec->height)
1130 /* Potential stream */
1132 /* We want the fastest stream less than bit_rate, or the slowest
1133 * faster than bit_rate
1136 if (feed_codec->bit_rate <= bit_rate) {
1137 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1138 best_bitrate = feed_codec->bit_rate;
1142 if (feed_codec->bit_rate < best_bitrate) {
1143 best_bitrate = feed_codec->bit_rate;
1152 static int modify_current_stream(HTTPContext *c, char *rates)
1155 FFStream *req = c->stream;
1156 int action_required = 0;
1158 /* Not much we can do for a feed */
1162 for (i = 0; i < req->nb_streams; i++) {
1163 AVCodecContext *codec = req->streams[i]->codec;
1167 c->switch_feed_streams[i] = req->feed_streams[i];
1170 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1173 /* Wants off or slow */
1174 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1176 /* This doesn't work well when it turns off the only stream! */
1177 c->switch_feed_streams[i] = -2;
1178 c->feed_streams[i] = -2;
1183 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1184 action_required = 1;
1187 return action_required;
1191 static void do_switch_stream(HTTPContext *c, int i)
1193 if (c->switch_feed_streams[i] >= 0) {
1195 c->feed_streams[i] = c->switch_feed_streams[i];
1198 /* Now update the stream */
1200 c->switch_feed_streams[i] = -1;
1203 /* XXX: factorize in utils.c ? */
1204 /* XXX: take care with different space meaning */
1205 static void skip_spaces(const char **pp)
1209 while (*p == ' ' || *p == '\t')
1214 static void get_word(char *buf, int buf_size, const char **pp)
1222 while (!isspace(*p) && *p != '\0') {
1223 if ((q - buf) < buf_size - 1)
1232 static void get_arg(char *buf, int buf_size, const char **pp)
1239 while (isspace(*p)) p++;
1242 if (*p == '\"' || *p == '\'')
1254 if ((q - buf) < buf_size - 1)
1259 if (quote && *p == quote)
1264 static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_acl,
1265 const char *p, const char *filename, int line_num)
1271 get_arg(arg, sizeof(arg), &p);
1272 if (strcasecmp(arg, "allow") == 0)
1273 acl.action = IP_ALLOW;
1274 else if (strcasecmp(arg, "deny") == 0)
1275 acl.action = IP_DENY;
1277 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
1278 filename, line_num, arg);
1282 get_arg(arg, sizeof(arg), &p);
1284 if (resolve_host(&acl.first, arg) != 0) {
1285 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1286 filename, line_num, arg);
1289 acl.last = acl.first;
1291 get_arg(arg, sizeof(arg), &p);
1294 if (resolve_host(&acl.last, arg) != 0) {
1295 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1296 filename, line_num, arg);
1302 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
1303 IPAddressACL **naclp = 0;
1309 naclp = &stream->acl;
1315 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
1316 filename, line_num);
1322 naclp = &(*naclp)->next;
1330 static IPAddressACL* parse_dynamic_acl(FFStream *stream, HTTPContext *c)
1335 IPAddressACL *acl = NULL;
1339 f = fopen(stream->dynamic_acl, "r");
1341 perror(stream->dynamic_acl);
1345 acl = av_mallocz(sizeof(IPAddressACL));
1349 if (fgets(line, sizeof(line), f) == NULL)
1355 if (*p == '\0' || *p == '#')
1357 get_arg(cmd, sizeof(cmd), &p);
1359 if (!strcasecmp(cmd, "ACL"))
1360 parse_acl_row(NULL, NULL, acl, p, stream->dynamic_acl, line_num);
1367 static void free_acl_list(IPAddressACL *in_acl)
1369 IPAddressACL *pacl,*pacl2;
1379 static int validate_acl_list(IPAddressACL *in_acl, HTTPContext *c)
1381 enum IPAddressAction last_action = IP_DENY;
1383 struct in_addr *src = &c->from_addr.sin_addr;
1384 unsigned long src_addr = src->s_addr;
1386 for (acl = in_acl; acl; acl = acl->next) {
1387 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1388 return (acl->action == IP_ALLOW) ? 1 : 0;
1389 last_action = acl->action;
1392 /* Nothing matched, so return not the last action */
1393 return (last_action == IP_DENY) ? 1 : 0;
1396 static int validate_acl(FFStream *stream, HTTPContext *c)
1402 /* if stream->acl is null validate_acl_list will return 1 */
1403 ret = validate_acl_list(stream->acl, c);
1405 if (stream->dynamic_acl[0]) {
1406 acl = parse_dynamic_acl(stream, c);
1408 ret = validate_acl_list(acl, c);
1416 /* compute the real filename of a file by matching it without its
1417 extensions to all the stream filenames */
1418 static void compute_real_filename(char *filename, int max_size)
1425 /* compute filename by matching without the file extensions */
1426 av_strlcpy(file1, filename, sizeof(file1));
1427 p = strrchr(file1, '.');
1430 for(stream = first_stream; stream != NULL; stream = stream->next) {
1431 av_strlcpy(file2, stream->filename, sizeof(file2));
1432 p = strrchr(file2, '.');
1435 if (!strcmp(file1, file2)) {
1436 av_strlcpy(filename, stream->filename, max_size);
1451 /* parse http request and prepare header */
1452 static int http_parse_request(HTTPContext *c)
1455 enum RedirType redir_type;
1457 char info[1024], filename[1024];
1461 const char *mime_type;
1465 char *useragent = 0;
1468 get_word(cmd, sizeof(cmd), (const char **)&p);
1469 av_strlcpy(c->method, cmd, sizeof(c->method));
1471 if (!strcmp(cmd, "GET"))
1473 else if (!strcmp(cmd, "POST"))
1478 get_word(url, sizeof(url), (const char **)&p);
1479 av_strlcpy(c->url, url, sizeof(c->url));
1481 get_word(protocol, sizeof(protocol), (const char **)&p);
1482 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1485 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1488 http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
1490 /* find the filename and the optional info string in the request */
1491 p = strchr(url, '?');
1493 av_strlcpy(info, p, sizeof(info));
1498 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1500 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1501 if (strncasecmp(p, "User-Agent:", 11) == 0) {
1503 if (*useragent && *useragent != '\n' && isspace(*useragent))
1507 p = strchr(p, '\n');
1514 redir_type = REDIR_NONE;
1515 if (av_match_ext(filename, "asx")) {
1516 redir_type = REDIR_ASX;
1517 filename[strlen(filename)-1] = 'f';
1518 } else if (av_match_ext(filename, "asf") &&
1519 (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1520 /* if this isn't WMP or lookalike, return the redirector file */
1521 redir_type = REDIR_ASF;
1522 } else if (av_match_ext(filename, "rpm,ram")) {
1523 redir_type = REDIR_RAM;
1524 strcpy(filename + strlen(filename)-2, "m");
1525 } else if (av_match_ext(filename, "rtsp")) {
1526 redir_type = REDIR_RTSP;
1527 compute_real_filename(filename, sizeof(filename) - 1);
1528 } else if (av_match_ext(filename, "sdp")) {
1529 redir_type = REDIR_SDP;
1530 compute_real_filename(filename, sizeof(filename) - 1);
1533 // "redirect" / request to index.html
1534 if (!strlen(filename))
1535 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1537 stream = first_stream;
1538 while (stream != NULL) {
1539 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1541 stream = stream->next;
1543 if (stream == NULL) {
1544 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1545 http_log("File '%s' not found\n", url);
1550 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1551 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1553 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1554 c->http_error = 301;
1556 q += snprintf(q, c->buffer_size,
1557 "HTTP/1.0 301 Moved\r\n"
1559 "Content-type: text/html\r\n"
1561 "<html><head><title>Moved</title></head><body>\r\n"
1562 "You should be <a href=\"%s\">redirected</a>.\r\n"
1563 "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
1564 /* prepare output buffer */
1565 c->buffer_ptr = c->buffer;
1567 c->state = HTTPSTATE_SEND_HEADER;
1571 /* If this is WMP, get the rate information */
1572 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1573 if (modify_current_stream(c, ratebuf)) {
1574 for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
1575 if (c->switch_feed_streams[i] >= 0)
1576 do_switch_stream(c, i);
1581 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1582 current_bandwidth += stream->bandwidth;
1584 /* If already streaming this feed, do not let start another feeder. */
1585 if (stream->feed_opened) {
1586 snprintf(msg, sizeof(msg), "This feed is already being received.");
1587 http_log("Feed '%s' already being received\n", stream->feed_filename);
1591 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1592 c->http_error = 200;
1594 q += snprintf(q, c->buffer_size,
1595 "HTTP/1.0 200 Server too busy\r\n"
1596 "Content-type: text/html\r\n"
1598 "<html><head><title>Too busy</title></head><body>\r\n"
1599 "<p>The server is too busy to serve your request at this time.</p>\r\n"
1600 "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
1601 "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
1602 "</body></html>\r\n", current_bandwidth, max_bandwidth);
1603 /* prepare output buffer */
1604 c->buffer_ptr = c->buffer;
1606 c->state = HTTPSTATE_SEND_HEADER;
1610 if (redir_type != REDIR_NONE) {
1613 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1614 if (strncasecmp(p, "Host:", 5) == 0) {
1618 p = strchr(p, '\n');
1629 while (isspace(*hostinfo))
1632 eoh = strchr(hostinfo, '\n');
1634 if (eoh[-1] == '\r')
1637 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1638 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1639 hostbuf[eoh - hostinfo] = 0;
1641 c->http_error = 200;
1643 switch(redir_type) {
1645 q += snprintf(q, c->buffer_size,
1646 "HTTP/1.0 200 ASX Follows\r\n"
1647 "Content-type: video/x-ms-asf\r\n"
1649 "<ASX Version=\"3\">\r\n"
1650 //"<!-- Autogenerated by ffserver -->\r\n"
1651 "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
1652 "</ASX>\r\n", hostbuf, filename, info);
1655 q += snprintf(q, c->buffer_size,
1656 "HTTP/1.0 200 RAM Follows\r\n"
1657 "Content-type: audio/x-pn-realaudio\r\n"
1659 "# Autogenerated by ffserver\r\n"
1660 "http://%s/%s%s\r\n", hostbuf, filename, info);
1663 q += snprintf(q, c->buffer_size,
1664 "HTTP/1.0 200 ASF Redirect follows\r\n"
1665 "Content-type: video/x-ms-asf\r\n"
1668 "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
1672 char hostname[256], *p;
1673 /* extract only hostname */
1674 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1675 p = strrchr(hostname, ':');
1678 q += snprintf(q, c->buffer_size,
1679 "HTTP/1.0 200 RTSP Redirect follows\r\n"
1680 /* XXX: incorrect mime type ? */
1681 "Content-type: application/x-rtsp\r\n"
1683 "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
1689 int sdp_data_size, len;
1690 struct sockaddr_in my_addr;
1692 q += snprintf(q, c->buffer_size,
1693 "HTTP/1.0 200 OK\r\n"
1694 "Content-type: application/sdp\r\n"
1697 len = sizeof(my_addr);
1698 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1700 /* XXX: should use a dynamic buffer */
1701 sdp_data_size = prepare_sdp_description(stream,
1704 if (sdp_data_size > 0) {
1705 memcpy(q, sdp_data, sdp_data_size);
1717 /* prepare output buffer */
1718 c->buffer_ptr = c->buffer;
1720 c->state = HTTPSTATE_SEND_HEADER;
1726 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1730 stream->conns_served++;
1732 /* XXX: add there authenticate and IP match */
1735 /* if post, it means a feed is being sent */
1736 if (!stream->is_feed) {
1737 /* However it might be a status report from WMP! Let us log the
1738 * data as it might come in handy one day. */
1742 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1743 if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1747 if (strncasecmp(p, "Pragma: client-id=", 18) == 0)
1748 client_id = strtol(p + 18, 0, 10);
1749 p = strchr(p, '\n');
1757 char *eol = strchr(logline, '\n');
1762 if (eol[-1] == '\r')
1764 http_log("%.*s\n", (int) (eol - logline), logline);
1765 c->suppress_log = 1;
1770 http_log("\nGot request:\n%s\n", c->buffer);
1773 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1776 /* Now we have to find the client_id */
1777 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1778 if (wmpc->wmp_client_id == client_id)
1782 if (wmpc && modify_current_stream(wmpc, ratebuf))
1783 wmpc->switch_pending = 1;
1786 snprintf(msg, sizeof(msg), "POST command not handled");
1790 if (http_start_receive_data(c) < 0) {
1791 snprintf(msg, sizeof(msg), "could not open feed");
1795 c->state = HTTPSTATE_RECEIVE_DATA;
1800 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1801 http_log("\nGot request:\n%s\n", c->buffer);
1804 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1807 /* open input stream */
1808 if (open_input_stream(c, info) < 0) {
1809 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1813 /* prepare http header */
1815 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1816 mime_type = c->stream->fmt->mime_type;
1818 mime_type = "application/x-octet-stream";
1819 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1821 /* for asf, we need extra headers */
1822 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1823 /* Need to allocate a client id */
1825 c->wmp_client_id = av_lfg_get(&random_state);
1827 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);
1829 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1830 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1832 /* prepare output buffer */
1834 c->buffer_ptr = c->buffer;
1836 c->state = HTTPSTATE_SEND_HEADER;
1839 c->http_error = 404;
1841 q += snprintf(q, c->buffer_size,
1842 "HTTP/1.0 404 Not Found\r\n"
1843 "Content-type: text/html\r\n"
1846 "<head><title>404 Not Found</title></head>\n"
1849 /* prepare output buffer */
1850 c->buffer_ptr = c->buffer;
1852 c->state = HTTPSTATE_SEND_HEADER;
1856 c->http_error = 200; /* horrible : we use this value to avoid
1857 going to the send data state */
1858 c->state = HTTPSTATE_SEND_HEADER;
1862 static void fmt_bytecount(ByteIOContext *pb, int64_t count)
1864 static const char *suffix = " kMGTP";
1867 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1869 url_fprintf(pb, "%"PRId64"%c", count, *s);
1872 static void compute_status(HTTPContext *c)
1881 if (url_open_dyn_buf(&pb) < 0) {
1882 /* XXX: return an error ? */
1883 c->buffer_ptr = c->buffer;
1884 c->buffer_end = c->buffer;
1888 url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
1889 url_fprintf(pb, "Content-type: %s\r\n", "text/html");
1890 url_fprintf(pb, "Pragma: no-cache\r\n");
1891 url_fprintf(pb, "\r\n");
1893 url_fprintf(pb, "<html><head><title>%s Status</title>\n", program_name);
1894 if (c->stream->feed_filename[0])
1895 url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1896 url_fprintf(pb, "</head>\n<body>");
1897 url_fprintf(pb, "<h1>%s Status</h1>\n", program_name);
1899 url_fprintf(pb, "<h2>Available Streams</h2>\n");
1900 url_fprintf(pb, "<table cellspacing=0 cellpadding=4>\n");
1901 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");
1902 stream = first_stream;
1903 while (stream != NULL) {
1904 char sfilename[1024];
1907 if (stream->feed != stream) {
1908 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1909 eosf = sfilename + strlen(sfilename);
1910 if (eosf - sfilename >= 4) {
1911 if (strcmp(eosf - 4, ".asf") == 0)
1912 strcpy(eosf - 4, ".asx");
1913 else if (strcmp(eosf - 3, ".rm") == 0)
1914 strcpy(eosf - 3, ".ram");
1915 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1916 /* generate a sample RTSP director if
1917 unicast. Generate an SDP redirector if
1919 eosf = strrchr(sfilename, '.');
1921 eosf = sfilename + strlen(sfilename);
1922 if (stream->is_multicast)
1923 strcpy(eosf, ".sdp");
1925 strcpy(eosf, ".rtsp");
1929 url_fprintf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
1930 sfilename, stream->filename);
1931 url_fprintf(pb, "<td align=right> %d <td align=right> ",
1932 stream->conns_served);
1933 fmt_bytecount(pb, stream->bytes_served);
1934 switch(stream->stream_type) {
1935 case STREAM_TYPE_LIVE: {
1936 int audio_bit_rate = 0;
1937 int video_bit_rate = 0;
1938 const char *audio_codec_name = "";
1939 const char *video_codec_name = "";
1940 const char *audio_codec_name_extra = "";
1941 const char *video_codec_name_extra = "";
1943 for(i=0;i<stream->nb_streams;i++) {
1944 AVStream *st = stream->streams[i];
1945 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1946 switch(st->codec->codec_type) {
1947 case AVMEDIA_TYPE_AUDIO:
1948 audio_bit_rate += st->codec->bit_rate;
1950 if (*audio_codec_name)
1951 audio_codec_name_extra = "...";
1952 audio_codec_name = codec->name;
1955 case AVMEDIA_TYPE_VIDEO:
1956 video_bit_rate += st->codec->bit_rate;
1958 if (*video_codec_name)
1959 video_codec_name_extra = "...";
1960 video_codec_name = codec->name;
1963 case AVMEDIA_TYPE_DATA:
1964 video_bit_rate += st->codec->bit_rate;
1970 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",
1973 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1974 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1976 url_fprintf(pb, "<td>%s", stream->feed->filename);
1978 url_fprintf(pb, "<td>%s", stream->feed_filename);
1979 url_fprintf(pb, "\n");
1983 url_fprintf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
1987 stream = stream->next;
1989 url_fprintf(pb, "</table>\n");
1991 stream = first_stream;
1992 while (stream != NULL) {
1993 if (stream->feed == stream) {
1994 url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
1996 url_fprintf(pb, "Running as pid %d.\n", stream->pid);
1998 #if defined(linux) && !defined(CONFIG_NOCUTILS)
2003 /* This is somewhat linux specific I guess */
2004 snprintf(ps_cmd, sizeof(ps_cmd),
2005 "ps -o \"%%cpu,cputime\" --no-headers %d",
2008 pid_stat = popen(ps_cmd, "r");
2013 if (fscanf(pid_stat, "%10s %64s", cpuperc,
2015 url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
2023 url_fprintf(pb, "<p>");
2025 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");
2027 for (i = 0; i < stream->nb_streams; i++) {
2028 AVStream *st = stream->streams[i];
2029 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
2030 const char *type = "unknown";
2031 char parameters[64];
2035 switch(st->codec->codec_type) {
2036 case AVMEDIA_TYPE_AUDIO:
2038 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
2040 case AVMEDIA_TYPE_VIDEO:
2042 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
2043 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
2048 url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
2049 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
2051 url_fprintf(pb, "</table>\n");
2054 stream = stream->next;
2057 /* connection status */
2058 url_fprintf(pb, "<h2>Connection Status</h2>\n");
2060 url_fprintf(pb, "Number of connections: %d / %d<br>\n",
2061 nb_connections, nb_max_connections);
2063 url_fprintf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
2064 current_bandwidth, max_bandwidth);
2066 url_fprintf(pb, "<table>\n");
2067 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");
2068 c1 = first_http_ctx;
2070 while (c1 != NULL) {
2076 for (j = 0; j < c1->stream->nb_streams; j++) {
2077 if (!c1->stream->feed)
2078 bitrate += c1->stream->streams[j]->codec->bit_rate;
2079 else if (c1->feed_streams[j] >= 0)
2080 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
2085 p = inet_ntoa(c1->from_addr.sin_addr);
2086 url_fprintf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
2088 c1->stream ? c1->stream->filename : "",
2089 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
2092 http_state[c1->state]);
2093 fmt_bytecount(pb, bitrate);
2094 url_fprintf(pb, "<td align=right>");
2095 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
2096 url_fprintf(pb, "<td align=right>");
2097 fmt_bytecount(pb, c1->data_count);
2098 url_fprintf(pb, "\n");
2101 url_fprintf(pb, "</table>\n");
2106 url_fprintf(pb, "<hr size=1 noshade>Generated at %s", p);
2107 url_fprintf(pb, "</body>\n</html>\n");
2109 len = url_close_dyn_buf(pb, &c->pb_buffer);
2110 c->buffer_ptr = c->pb_buffer;
2111 c->buffer_end = c->pb_buffer + len;
2114 /* check if the parser needs to be opened for stream i */
2115 static void open_parser(AVFormatContext *s, int i)
2117 AVStream *st = s->streams[i];
2120 if (!st->codec->codec) {
2121 codec = avcodec_find_decoder(st->codec->codec_id);
2122 if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
2123 st->codec->parse_only = 1;
2124 if (avcodec_open(st->codec, codec) < 0)
2125 st->codec->parse_only = 0;
2130 static int open_input_stream(HTTPContext *c, const char *info)
2133 char input_filename[1024];
2135 int buf_size, i, ret;
2138 /* find file name */
2139 if (c->stream->feed) {
2140 strcpy(input_filename, c->stream->feed->feed_filename);
2141 buf_size = FFM_PACKET_SIZE;
2142 /* compute position (absolute time) */
2143 if (find_info_tag(buf, sizeof(buf), "date", info)) {
2144 stream_pos = parse_date(buf, 0);
2145 if (stream_pos == INT64_MIN)
2147 } else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
2148 int prebuffer = strtol(buf, 0, 10);
2149 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
2151 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
2153 strcpy(input_filename, c->stream->feed_filename);
2155 /* compute position (relative time) */
2156 if (find_info_tag(buf, sizeof(buf), "date", info)) {
2157 stream_pos = parse_date(buf, 1);
2158 if (stream_pos == INT64_MIN)
2163 if (input_filename[0] == '\0')
2167 if ((ret = av_open_input_file(&s, input_filename, c->stream->ifmt,
2168 buf_size, c->stream->ap_in)) < 0) {
2169 http_log("could not open %s: %d\n", input_filename, ret);
2172 s->flags |= AVFMT_FLAG_GENPTS;
2174 if (strcmp(s->iformat->name, "ffm") && av_find_stream_info(c->fmt_in) < 0) {
2175 http_log("Could not find stream info '%s'\n", input_filename);
2176 av_close_input_file(s);
2180 /* open each parser */
2181 for(i=0;i<s->nb_streams;i++)
2184 /* choose stream as clock source (we favorize video stream if
2185 present) for packet sending */
2186 c->pts_stream_index = 0;
2187 for(i=0;i<c->stream->nb_streams;i++) {
2188 if (c->pts_stream_index == 0 &&
2189 c->stream->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2190 c->pts_stream_index = i;
2195 if (c->fmt_in->iformat->read_seek)
2196 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
2198 /* set the start time (needed for maxtime and RTP packet timing) */
2199 c->start_time = cur_time;
2200 c->first_pts = AV_NOPTS_VALUE;
2204 /* return the server clock (in us) */
2205 static int64_t get_server_clock(HTTPContext *c)
2207 /* compute current pts value from system time */
2208 return (cur_time - c->start_time) * 1000;
2211 /* return the estimated time at which the current packet must be sent
2213 static int64_t get_packet_send_clock(HTTPContext *c)
2215 int bytes_left, bytes_sent, frame_bytes;
2217 frame_bytes = c->cur_frame_bytes;
2218 if (frame_bytes <= 0)
2221 bytes_left = c->buffer_end - c->buffer_ptr;
2222 bytes_sent = frame_bytes - bytes_left;
2223 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2228 static int http_prepare_data(HTTPContext *c)
2231 AVFormatContext *ctx;
2233 av_freep(&c->pb_buffer);
2235 case HTTPSTATE_SEND_DATA_HEADER:
2236 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2237 av_metadata_set2(&c->fmt_ctx.metadata, "author" , c->stream->author , 0);
2238 av_metadata_set2(&c->fmt_ctx.metadata, "comment" , c->stream->comment , 0);
2239 av_metadata_set2(&c->fmt_ctx.metadata, "copyright", c->stream->copyright, 0);
2240 av_metadata_set2(&c->fmt_ctx.metadata, "title" , c->stream->title , 0);
2242 for(i=0;i<c->stream->nb_streams;i++) {
2245 st = av_mallocz(sizeof(AVStream));
2246 c->fmt_ctx.streams[i] = st;
2247 /* if file or feed, then just take streams from FFStream struct */
2248 if (!c->stream->feed ||
2249 c->stream->feed == c->stream)
2250 src = c->stream->streams[i];
2252 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2256 st->codec->frame_number = 0; /* XXX: should be done in
2257 AVStream, not in codec */
2259 /* set output format parameters */
2260 c->fmt_ctx.oformat = c->stream->fmt;
2261 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2263 c->got_key_frame = 0;
2265 /* prepare header and save header data in a stream */
2266 if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2267 /* XXX: potential leak */
2270 c->fmt_ctx.pb->is_streamed = 1;
2273 * HACK to avoid mpeg ps muxer to spit many underflow errors
2274 * Default value from FFmpeg
2275 * Try to set it use configuration option
2277 c->fmt_ctx.preload = (int)(0.5*AV_TIME_BASE);
2278 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2280 av_set_parameters(&c->fmt_ctx, NULL);
2281 if (av_write_header(&c->fmt_ctx) < 0) {
2282 http_log("Error writing output header\n");
2285 av_metadata_free(&c->fmt_ctx.metadata);
2287 len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2288 c->buffer_ptr = c->pb_buffer;
2289 c->buffer_end = c->pb_buffer + len;
2291 c->state = HTTPSTATE_SEND_DATA;
2292 c->last_packet_sent = 0;
2294 case HTTPSTATE_SEND_DATA:
2295 /* find a new packet */
2296 /* read a packet from the input stream */
2297 if (c->stream->feed)
2298 ffm_set_write_index(c->fmt_in,
2299 c->stream->feed->feed_write_index,
2300 c->stream->feed->feed_size);
2302 if (c->stream->max_time &&
2303 c->stream->max_time + c->start_time - cur_time < 0)
2304 /* We have timed out */
2305 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2309 ret = av_read_frame(c->fmt_in, &pkt);
2311 if (c->stream->feed) {
2312 /* if coming from feed, it means we reached the end of the
2313 ffm file, so must wait for more data */
2314 c->state = HTTPSTATE_WAIT_FEED;
2315 return 1; /* state changed */
2316 } else if (ret == AVERROR(EAGAIN)) {
2317 /* input not ready, come back later */
2320 if (c->stream->loop) {
2321 av_close_input_file(c->fmt_in);
2323 if (open_input_stream(c, "") < 0)
2328 /* must send trailer now because eof or error */
2329 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2333 int source_index = pkt.stream_index;
2334 /* update first pts if needed */
2335 if (c->first_pts == AV_NOPTS_VALUE) {
2336 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2337 c->start_time = cur_time;
2339 /* send it to the appropriate stream */
2340 if (c->stream->feed) {
2341 /* if coming from a feed, select the right stream */
2342 if (c->switch_pending) {
2343 c->switch_pending = 0;
2344 for(i=0;i<c->stream->nb_streams;i++) {
2345 if (c->switch_feed_streams[i] == pkt.stream_index)
2346 if (pkt.flags & AV_PKT_FLAG_KEY)
2347 do_switch_stream(c, i);
2348 if (c->switch_feed_streams[i] >= 0)
2349 c->switch_pending = 1;
2352 for(i=0;i<c->stream->nb_streams;i++) {
2353 if (c->stream->feed_streams[i] == pkt.stream_index) {
2354 AVStream *st = c->fmt_in->streams[source_index];
2355 pkt.stream_index = i;
2356 if (pkt.flags & AV_PKT_FLAG_KEY &&
2357 (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2358 c->stream->nb_streams == 1))
2359 c->got_key_frame = 1;
2360 if (!c->stream->send_on_key || c->got_key_frame)
2365 AVCodecContext *codec;
2366 AVStream *ist, *ost;
2368 ist = c->fmt_in->streams[source_index];
2369 /* specific handling for RTP: we use several
2370 output stream (one for each RTP
2371 connection). XXX: need more abstract handling */
2372 if (c->is_packetized) {
2373 /* compute send time and duration */
2374 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2375 c->cur_pts -= c->first_pts;
2376 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2377 /* find RTP context */
2378 c->packet_stream_index = pkt.stream_index;
2379 ctx = c->rtp_ctx[c->packet_stream_index];
2381 av_free_packet(&pkt);
2384 codec = ctx->streams[0]->codec;
2385 /* only one stream per RTP connection */
2386 pkt.stream_index = 0;
2390 codec = ctx->streams[pkt.stream_index]->codec;
2393 if (c->is_packetized) {
2394 int max_packet_size;
2395 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
2396 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2398 max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
2399 ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2401 ret = url_open_dyn_buf(&ctx->pb);
2404 /* XXX: potential leak */
2407 ost = ctx->streams[pkt.stream_index];
2409 ctx->pb->is_streamed = 1;
2410 if (pkt.dts != AV_NOPTS_VALUE)
2411 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2412 if (pkt.pts != AV_NOPTS_VALUE)
2413 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2414 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2415 if (av_write_frame(ctx, &pkt) < 0) {
2416 http_log("Error writing frame to output\n");
2417 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2420 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2421 c->cur_frame_bytes = len;
2422 c->buffer_ptr = c->pb_buffer;
2423 c->buffer_end = c->pb_buffer + len;
2425 codec->frame_number++;
2427 av_free_packet(&pkt);
2431 av_free_packet(&pkt);
2436 case HTTPSTATE_SEND_DATA_TRAILER:
2437 /* last packet test ? */
2438 if (c->last_packet_sent || c->is_packetized)
2441 /* prepare header */
2442 if (url_open_dyn_buf(&ctx->pb) < 0) {
2443 /* XXX: potential leak */
2446 c->fmt_ctx.pb->is_streamed = 1;
2447 av_write_trailer(ctx);
2448 len = url_close_dyn_buf(ctx->pb, &c->pb_buffer);
2449 c->buffer_ptr = c->pb_buffer;
2450 c->buffer_end = c->pb_buffer + len;
2452 c->last_packet_sent = 1;
2458 /* should convert the format at the same time */
2459 /* send data starting at c->buffer_ptr to the output connection
2460 (either UDP or TCP connection) */
2461 static int http_send_data(HTTPContext *c)
2466 if (c->buffer_ptr >= c->buffer_end) {
2467 ret = http_prepare_data(c);
2471 /* state change requested */
2474 if (c->is_packetized) {
2475 /* RTP data output */
2476 len = c->buffer_end - c->buffer_ptr;
2478 /* fail safe - should never happen */
2480 c->buffer_ptr = c->buffer_end;
2483 len = (c->buffer_ptr[0] << 24) |
2484 (c->buffer_ptr[1] << 16) |
2485 (c->buffer_ptr[2] << 8) |
2487 if (len > (c->buffer_end - c->buffer_ptr))
2489 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2490 /* nothing to send yet: we can wait */
2494 c->data_count += len;
2495 update_datarate(&c->datarate, c->data_count);
2497 c->stream->bytes_served += len;
2499 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
2500 /* RTP packets are sent inside the RTSP TCP connection */
2502 int interleaved_index, size;
2504 HTTPContext *rtsp_c;
2507 /* if no RTSP connection left, error */
2510 /* if already sending something, then wait. */
2511 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2513 if (url_open_dyn_buf(&pb) < 0)
2515 interleaved_index = c->packet_stream_index * 2;
2516 /* RTCP packets are sent at odd indexes */
2517 if (c->buffer_ptr[1] == 200)
2518 interleaved_index++;
2519 /* write RTSP TCP header */
2521 header[1] = interleaved_index;
2522 header[2] = len >> 8;
2524 put_buffer(pb, header, 4);
2525 /* write RTP packet data */
2527 put_buffer(pb, c->buffer_ptr, len);
2528 size = url_close_dyn_buf(pb, &c->packet_buffer);
2529 /* prepare asynchronous TCP sending */
2530 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2531 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2532 c->buffer_ptr += len;
2534 /* send everything we can NOW */
2535 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2536 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2538 rtsp_c->packet_buffer_ptr += len;
2539 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2540 /* if we could not send all the data, we will
2541 send it later, so a new state is needed to
2542 "lock" the RTSP TCP connection */
2543 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2546 /* all data has been sent */
2547 av_freep(&c->packet_buffer);
2549 /* send RTP packet directly in UDP */
2551 url_write(c->rtp_handles[c->packet_stream_index],
2552 c->buffer_ptr, len);
2553 c->buffer_ptr += len;
2554 /* here we continue as we can send several packets per 10 ms slot */
2557 /* TCP data output */
2558 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2560 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2561 ff_neterrno() != FF_NETERROR(EINTR))
2562 /* error : close connection */
2567 c->buffer_ptr += len;
2569 c->data_count += len;
2570 update_datarate(&c->datarate, c->data_count);
2572 c->stream->bytes_served += len;
2580 static int http_start_receive_data(HTTPContext *c)
2584 if (c->stream->feed_opened)
2587 /* Don't permit writing to this one */
2588 if (c->stream->readonly)
2592 fd = open(c->stream->feed_filename, O_RDWR);
2594 http_log("Error opening feeder file: %s\n", strerror(errno));
2599 if (c->stream->truncate) {
2600 /* truncate feed file */
2601 ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
2602 ftruncate(c->feed_fd, FFM_PACKET_SIZE);
2603 http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
2605 if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
2606 http_log("Error reading write index from feed file: %s\n", strerror(errno));
2611 c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
2612 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2613 lseek(fd, 0, SEEK_SET);
2615 /* init buffer input */
2616 c->buffer_ptr = c->buffer;
2617 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2618 c->stream->feed_opened = 1;
2619 c->chunked_encoding = !!av_stristr(c->buffer, "Transfer-Encoding: chunked");
2623 static int http_receive_data(HTTPContext *c)
2626 int len, loop_run = 0;
2628 while (c->chunked_encoding && !c->chunk_size &&
2629 c->buffer_end > c->buffer_ptr) {
2630 /* read chunk header, if present */
2631 len = recv(c->fd, c->buffer_ptr, 1, 0);
2634 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2635 ff_neterrno() != FF_NETERROR(EINTR))
2636 /* error : close connection */
2639 } else if (len == 0) {
2640 /* end of connection : close it */
2642 } else if (c->buffer_ptr - c->buffer >= 2 &&
2643 !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
2644 c->chunk_size = strtol(c->buffer, 0, 16);
2645 if (c->chunk_size == 0) // end of stream
2647 c->buffer_ptr = c->buffer;
2649 } else if (++loop_run > 10) {
2650 /* no chunk header, abort */
2657 if (c->buffer_end > c->buffer_ptr) {
2658 len = recv(c->fd, c->buffer_ptr,
2659 FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);
2661 if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
2662 ff_neterrno() != FF_NETERROR(EINTR))
2663 /* error : close connection */
2665 } else if (len == 0)
2666 /* end of connection : close it */
2669 c->chunk_size -= len;
2670 c->buffer_ptr += len;
2671 c->data_count += len;
2672 update_datarate(&c->datarate, c->data_count);
2676 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2677 if (c->buffer[0] != 'f' ||
2678 c->buffer[1] != 'm') {
2679 http_log("Feed stream has become desynchronized -- disconnecting\n");
2684 if (c->buffer_ptr >= c->buffer_end) {
2685 FFStream *feed = c->stream;
2686 /* a packet has been received : write it in the store, except
2688 if (c->data_count > FFM_PACKET_SIZE) {
2690 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2691 /* XXX: use llseek or url_seek */
2692 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2693 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2694 http_log("Error writing to feed file: %s\n", strerror(errno));
2698 feed->feed_write_index += FFM_PACKET_SIZE;
2699 /* update file size */
2700 if (feed->feed_write_index > c->stream->feed_size)
2701 feed->feed_size = feed->feed_write_index;
2703 /* handle wrap around if max file size reached */
2704 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2705 feed->feed_write_index = FFM_PACKET_SIZE;
2708 if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
2709 http_log("Error writing index to feed file: %s\n", strerror(errno));
2713 /* wake up any waiting connections */
2714 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2715 if (c1->state == HTTPSTATE_WAIT_FEED &&
2716 c1->stream->feed == c->stream->feed)
2717 c1->state = HTTPSTATE_SEND_DATA;
2720 /* We have a header in our hands that contains useful data */
2721 AVFormatContext *s = NULL;
2723 AVInputFormat *fmt_in;
2726 /* use feed output format name to find corresponding input format */
2727 fmt_in = av_find_input_format(feed->fmt->name);
2731 url_open_buf(&pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
2732 pb->is_streamed = 1;
2734 if (av_open_input_stream(&s, pb, c->stream->feed_filename, fmt_in, NULL) < 0) {
2739 /* Now we have the actual streams */
2740 if (s->nb_streams != feed->nb_streams) {
2741 av_close_input_stream(s);
2743 http_log("Feed '%s' stream number does not match registered feed\n",
2744 c->stream->feed_filename);
2748 for (i = 0; i < s->nb_streams; i++) {
2749 AVStream *fst = feed->streams[i];
2750 AVStream *st = s->streams[i];
2751 avcodec_copy_context(fst->codec, st->codec);
2754 av_close_input_stream(s);
2757 c->buffer_ptr = c->buffer;
2762 c->stream->feed_opened = 0;
2764 /* wake up any waiting connections to stop waiting for feed */
2765 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2766 if (c1->state == HTTPSTATE_WAIT_FEED &&
2767 c1->stream->feed == c->stream->feed)
2768 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2773 /********************************************************************/
2776 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2783 switch(error_number) {
2784 case RTSP_STATUS_OK:
2787 case RTSP_STATUS_METHOD:
2788 str = "Method Not Allowed";
2790 case RTSP_STATUS_BANDWIDTH:
2791 str = "Not Enough Bandwidth";
2793 case RTSP_STATUS_SESSION:
2794 str = "Session Not Found";
2796 case RTSP_STATUS_STATE:
2797 str = "Method Not Valid in This State";
2799 case RTSP_STATUS_AGGREGATE:
2800 str = "Aggregate operation not allowed";
2802 case RTSP_STATUS_ONLY_AGGREGATE:
2803 str = "Only aggregate operation allowed";
2805 case RTSP_STATUS_TRANSPORT:
2806 str = "Unsupported transport";
2808 case RTSP_STATUS_INTERNAL:
2809 str = "Internal Server Error";
2811 case RTSP_STATUS_SERVICE:
2812 str = "Service Unavailable";
2814 case RTSP_STATUS_VERSION:
2815 str = "RTSP Version not supported";
2818 str = "Unknown Error";
2822 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2823 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2825 /* output GMT time */
2828 strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
2829 url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
2832 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2834 rtsp_reply_header(c, error_number);
2835 url_fprintf(c->pb, "\r\n");
2838 static int rtsp_parse_request(HTTPContext *c)
2840 const char *p, *p1, *p2;
2846 RTSPMessageHeader header1, *header = &header1;
2848 c->buffer_ptr[0] = '\0';
2851 get_word(cmd, sizeof(cmd), &p);
2852 get_word(url, sizeof(url), &p);
2853 get_word(protocol, sizeof(protocol), &p);
2855 av_strlcpy(c->method, cmd, sizeof(c->method));
2856 av_strlcpy(c->url, url, sizeof(c->url));
2857 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2859 if (url_open_dyn_buf(&c->pb) < 0) {
2860 /* XXX: cannot do more */
2861 c->pb = NULL; /* safety */
2865 /* check version name */
2866 if (strcmp(protocol, "RTSP/1.0") != 0) {
2867 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2871 /* parse each header line */
2872 memset(header, 0, sizeof(*header));
2873 /* skip to next line */
2874 while (*p != '\n' && *p != '\0')
2878 while (*p != '\0') {
2879 p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
2883 if (p2 > p && p2[-1] == '\r')
2885 /* skip empty line */
2889 if (len > sizeof(line) - 1)
2890 len = sizeof(line) - 1;
2891 memcpy(line, p, len);
2893 ff_rtsp_parse_line(header, line, NULL);
2897 /* handle sequence number */
2898 c->seq = header->seq;
2900 if (!strcmp(cmd, "DESCRIBE"))
2901 rtsp_cmd_describe(c, url);
2902 else if (!strcmp(cmd, "OPTIONS"))
2903 rtsp_cmd_options(c, url);
2904 else if (!strcmp(cmd, "SETUP"))
2905 rtsp_cmd_setup(c, url, header);
2906 else if (!strcmp(cmd, "PLAY"))
2907 rtsp_cmd_play(c, url, header);
2908 else if (!strcmp(cmd, "PAUSE"))
2909 rtsp_cmd_pause(c, url, header);
2910 else if (!strcmp(cmd, "TEARDOWN"))
2911 rtsp_cmd_teardown(c, url, header);
2913 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2916 len = url_close_dyn_buf(c->pb, &c->pb_buffer);
2917 c->pb = NULL; /* safety */
2919 /* XXX: cannot do more */
2922 c->buffer_ptr = c->pb_buffer;
2923 c->buffer_end = c->pb_buffer + len;
2924 c->state = RTSPSTATE_SEND_REPLY;
2928 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2929 struct in_addr my_ip)
2931 AVFormatContext *avc;
2932 AVStream avs[MAX_STREAMS];
2935 avc = avformat_alloc_context();
2939 av_metadata_set2(&avc->metadata, "title",
2940 stream->title[0] ? stream->title : "No Title", 0);
2941 avc->nb_streams = stream->nb_streams;
2942 if (stream->is_multicast) {
2943 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2944 inet_ntoa(stream->multicast_ip),
2945 stream->multicast_port, stream->multicast_ttl);
2947 snprintf(avc->filename, 1024, "rtp://0.0.0.0");
2950 for(i = 0; i < stream->nb_streams; i++) {
2951 avc->streams[i] = &avs[i];
2952 avc->streams[i]->codec = stream->streams[i]->codec;
2954 *pbuffer = av_mallocz(2048);
2955 avf_sdp_create(&avc, 1, *pbuffer, 2048);
2956 av_metadata_free(&avc->metadata);
2959 return strlen(*pbuffer);
2962 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2964 // rtsp_reply_header(c, RTSP_STATUS_OK);
2965 url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2966 url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
2967 url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2968 url_fprintf(c->pb, "\r\n");
2971 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2977 int content_length, len;
2978 struct sockaddr_in my_addr;
2980 /* find which url is asked */
2981 ff_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2986 for(stream = first_stream; stream != NULL; stream = stream->next) {
2987 if (!stream->is_feed &&
2988 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2989 !strcmp(path, stream->filename)) {
2993 /* no stream found */
2994 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2998 /* prepare the media description in sdp format */
3000 /* get the host IP */
3001 len = sizeof(my_addr);
3002 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
3003 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
3004 if (content_length < 0) {
3005 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3008 rtsp_reply_header(c, RTSP_STATUS_OK);
3009 url_fprintf(c->pb, "Content-Base: %s/\r\n", url);
3010 url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
3011 url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
3012 url_fprintf(c->pb, "\r\n");
3013 put_buffer(c->pb, content, content_length);
3017 static HTTPContext *find_rtp_session(const char *session_id)
3021 if (session_id[0] == '\0')
3024 for(c = first_http_ctx; c != NULL; c = c->next) {
3025 if (!strcmp(c->session_id, session_id))
3031 static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
3033 RTSPTransportField *th;
3036 for(i=0;i<h->nb_transports;i++) {
3037 th = &h->transports[i];
3038 if (th->lower_transport == lower_transport)
3044 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
3045 RTSPMessageHeader *h)
3048 int stream_index, rtp_port, rtcp_port;
3053 RTSPTransportField *th;
3054 struct sockaddr_in dest_addr;
3055 RTSPActionServerSetup setup;
3057 /* find which url is asked */
3058 ff_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3063 /* now check each stream */
3064 for(stream = first_stream; stream != NULL; stream = stream->next) {
3065 if (!stream->is_feed &&
3066 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3067 /* accept aggregate filenames only if single stream */
3068 if (!strcmp(path, stream->filename)) {
3069 if (stream->nb_streams != 1) {
3070 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
3077 for(stream_index = 0; stream_index < stream->nb_streams;
3079 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3080 stream->filename, stream_index);
3081 if (!strcmp(path, buf))
3086 /* no stream found */
3087 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
3091 /* generate session id if needed */
3092 if (h->session_id[0] == '\0')
3093 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
3094 av_lfg_get(&random_state), av_lfg_get(&random_state));
3096 /* find rtp session, and create it if none found */
3097 rtp_c = find_rtp_session(h->session_id);
3099 /* always prefer UDP */
3100 th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
3102 th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
3104 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3109 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
3110 th->lower_transport);
3112 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
3116 /* open input stream */
3117 if (open_input_stream(rtp_c, "") < 0) {
3118 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3123 /* test if stream is OK (test needed because several SETUP needs
3124 to be done for a given file) */
3125 if (rtp_c->stream != stream) {
3126 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
3130 /* test if stream is already set up */
3131 if (rtp_c->rtp_ctx[stream_index]) {
3132 rtsp_reply_error(c, RTSP_STATUS_STATE);
3136 /* check transport */
3137 th = find_transport(h, rtp_c->rtp_protocol);
3138 if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
3139 th->client_port_min <= 0)) {
3140 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3144 /* setup default options */
3145 setup.transport_option[0] = '\0';
3146 dest_addr = rtp_c->from_addr;
3147 dest_addr.sin_port = htons(th->client_port_min);
3150 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
3151 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3155 /* now everything is OK, so we can send the connection parameters */
3156 rtsp_reply_header(c, RTSP_STATUS_OK);
3158 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3160 switch(rtp_c->rtp_protocol) {
3161 case RTSP_LOWER_TRANSPORT_UDP:
3162 rtp_port = rtp_get_local_rtp_port(rtp_c->rtp_handles[stream_index]);
3163 rtcp_port = rtp_get_local_rtcp_port(rtp_c->rtp_handles[stream_index]);
3164 url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
3165 "client_port=%d-%d;server_port=%d-%d",
3166 th->client_port_min, th->client_port_max,
3167 rtp_port, rtcp_port);
3169 case RTSP_LOWER_TRANSPORT_TCP:
3170 url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
3171 stream_index * 2, stream_index * 2 + 1);
3176 if (setup.transport_option[0] != '\0')
3177 url_fprintf(c->pb, ";%s", setup.transport_option);
3178 url_fprintf(c->pb, "\r\n");
3181 url_fprintf(c->pb, "\r\n");
3185 /* find an rtp connection by using the session ID. Check consistency
3187 static HTTPContext *find_rtp_session_with_url(const char *url,
3188 const char *session_id)
3196 rtp_c = find_rtp_session(session_id);
3200 /* find which url is asked */
3201 ff_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3205 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
3206 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
3207 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3208 rtp_c->stream->filename, s);
3209 if(!strncmp(path, buf, sizeof(buf))) {
3210 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
3217 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3221 rtp_c = find_rtp_session_with_url(url, h->session_id);
3223 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3227 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3228 rtp_c->state != HTTPSTATE_WAIT_FEED &&
3229 rtp_c->state != HTTPSTATE_READY) {
3230 rtsp_reply_error(c, RTSP_STATUS_STATE);
3234 rtp_c->state = HTTPSTATE_SEND_DATA;
3236 /* now everything is OK, so we can send the connection parameters */
3237 rtsp_reply_header(c, RTSP_STATUS_OK);
3239 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3240 url_fprintf(c->pb, "\r\n");
3243 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3247 rtp_c = find_rtp_session_with_url(url, h->session_id);
3249 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3253 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3254 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3255 rtsp_reply_error(c, RTSP_STATUS_STATE);
3259 rtp_c->state = HTTPSTATE_READY;
3260 rtp_c->first_pts = AV_NOPTS_VALUE;
3261 /* now everything is OK, so we can send the connection parameters */
3262 rtsp_reply_header(c, RTSP_STATUS_OK);
3264 url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3265 url_fprintf(c->pb, "\r\n");
3268 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3271 char session_id[32];
3273 rtp_c = find_rtp_session_with_url(url, h->session_id);
3275 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3279 av_strlcpy(session_id, rtp_c->session_id, sizeof(session_id));
3281 /* abort the session */
3282 close_connection(rtp_c);
3284 /* now everything is OK, so we can send the connection parameters */
3285 rtsp_reply_header(c, RTSP_STATUS_OK);
3287 url_fprintf(c->pb, "Session: %s\r\n", session_id);
3288 url_fprintf(c->pb, "\r\n");
3292 /********************************************************************/
3295 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3296 FFStream *stream, const char *session_id,
3297 enum RTSPLowerTransport rtp_protocol)
3299 HTTPContext *c = NULL;
3300 const char *proto_str;
3302 /* XXX: should output a warning page when coming
3303 close to the connection limit */
3304 if (nb_connections >= nb_max_connections)
3307 /* add a new connection */
3308 c = av_mallocz(sizeof(HTTPContext));
3313 c->poll_entry = NULL;
3314 c->from_addr = *from_addr;
3315 c->buffer_size = IOBUFFER_INIT_SIZE;
3316 c->buffer = av_malloc(c->buffer_size);
3321 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3322 c->state = HTTPSTATE_READY;
3323 c->is_packetized = 1;
3324 c->rtp_protocol = rtp_protocol;
3326 /* protocol is shown in statistics */
3327 switch(c->rtp_protocol) {
3328 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3329 proto_str = "MCAST";
3331 case RTSP_LOWER_TRANSPORT_UDP:
3334 case RTSP_LOWER_TRANSPORT_TCP:
3341 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3342 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3344 current_bandwidth += stream->bandwidth;
3346 c->next = first_http_ctx;
3358 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3359 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3361 static int rtp_new_av_stream(HTTPContext *c,
3362 int stream_index, struct sockaddr_in *dest_addr,
3363 HTTPContext *rtsp_c)
3365 AVFormatContext *ctx;
3368 URLContext *h = NULL;
3370 int max_packet_size;
3372 /* now we can open the relevant output stream */
3373 ctx = avformat_alloc_context();
3376 ctx->oformat = av_guess_format("rtp", NULL, NULL);
3378 st = av_mallocz(sizeof(AVStream));
3381 ctx->nb_streams = 1;
3382 ctx->streams[0] = st;
3384 if (!c->stream->feed ||
3385 c->stream->feed == c->stream)
3386 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3389 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3391 st->priv_data = NULL;
3393 /* build destination RTP address */
3394 ipaddr = inet_ntoa(dest_addr->sin_addr);
3396 switch(c->rtp_protocol) {
3397 case RTSP_LOWER_TRANSPORT_UDP:
3398 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3401 /* XXX: also pass as parameter to function ? */
3402 if (c->stream->is_multicast) {
3404 ttl = c->stream->multicast_ttl;
3407 snprintf(ctx->filename, sizeof(ctx->filename),
3408 "rtp://%s:%d?multicast=1&ttl=%d",
3409 ipaddr, ntohs(dest_addr->sin_port), ttl);
3411 snprintf(ctx->filename, sizeof(ctx->filename),
3412 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3415 if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
3417 c->rtp_handles[stream_index] = h;
3418 max_packet_size = url_get_max_packet_size(h);
3420 case RTSP_LOWER_TRANSPORT_TCP:
3423 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3429 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3430 ipaddr, ntohs(dest_addr->sin_port),
3431 c->stream->filename, stream_index, c->protocol);
3433 /* normally, no packets should be output here, but the packet size may be checked */
3434 if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3435 /* XXX: close stream */
3438 av_set_parameters(ctx, NULL);
3439 if (av_write_header(ctx) < 0) {
3446 url_close_dyn_buf(ctx->pb, &dummy_buf);
3449 c->rtp_ctx[stream_index] = ctx;
3453 /********************************************************************/
3454 /* ffserver initialization */
3456 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
3460 fst = av_mallocz(sizeof(AVStream));
3464 fst->codec= avcodec_alloc_context();
3465 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3466 if (codec->extradata_size) {
3467 fst->codec->extradata = av_malloc(codec->extradata_size);
3468 memcpy(fst->codec->extradata, codec->extradata,
3469 codec->extradata_size);
3472 /* live streams must use the actual feed's codec since it may be
3473 * updated later to carry extradata needed by the streams.
3477 fst->priv_data = av_mallocz(sizeof(FeedData));
3478 fst->index = stream->nb_streams;
3479 av_set_pts_info(fst, 33, 1, 90000);
3480 stream->streams[stream->nb_streams++] = fst;
3484 /* return the stream number in the feed */
3485 static int add_av_stream(FFStream *feed, AVStream *st)
3488 AVCodecContext *av, *av1;
3492 for(i=0;i<feed->nb_streams;i++) {
3493 st = feed->streams[i];
3495 if (av1->codec_id == av->codec_id &&
3496 av1->codec_type == av->codec_type &&
3497 av1->bit_rate == av->bit_rate) {
3499 switch(av->codec_type) {
3500 case AVMEDIA_TYPE_AUDIO:
3501 if (av1->channels == av->channels &&
3502 av1->sample_rate == av->sample_rate)
3505 case AVMEDIA_TYPE_VIDEO:
3506 if (av1->width == av->width &&
3507 av1->height == av->height &&
3508 av1->time_base.den == av->time_base.den &&
3509 av1->time_base.num == av->time_base.num &&
3510 av1->gop_size == av->gop_size)
3519 fst = add_av_stream1(feed, av, 0);
3522 return feed->nb_streams - 1;
3527 static void remove_stream(FFStream *stream)
3531 while (*ps != NULL) {
3539 /* specific mpeg4 handling : we extract the raw parameters */
3540 static void extract_mpeg4_header(AVFormatContext *infile)
3542 int mpeg4_count, i, size;
3548 for(i=0;i<infile->nb_streams;i++) {
3549 st = infile->streams[i];
3550 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3551 st->codec->extradata_size == 0) {
3558 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3559 while (mpeg4_count > 0) {
3560 if (av_read_packet(infile, &pkt) < 0)
3562 st = infile->streams[pkt.stream_index];
3563 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3564 st->codec->extradata_size == 0) {
3565 av_freep(&st->codec->extradata);
3566 /* fill extradata with the header */
3567 /* XXX: we make hard suppositions here ! */
3569 while (p < pkt.data + pkt.size - 4) {
3570 /* stop when vop header is found */
3571 if (p[0] == 0x00 && p[1] == 0x00 &&
3572 p[2] == 0x01 && p[3] == 0xb6) {
3573 size = p - pkt.data;
3574 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3575 st->codec->extradata = av_malloc(size);
3576 st->codec->extradata_size = size;
3577 memcpy(st->codec->extradata, pkt.data, size);
3584 av_free_packet(&pkt);
3588 /* compute the needed AVStream for each file */
3589 static void build_file_streams(void)
3591 FFStream *stream, *stream_next;
3592 AVFormatContext *infile;
3595 /* gather all streams */
3596 for(stream = first_stream; stream != NULL; stream = stream_next) {
3597 stream_next = stream->next;
3598 if (stream->stream_type == STREAM_TYPE_LIVE &&
3600 /* the stream comes from a file */
3601 /* try to open the file */
3603 stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
3604 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3605 /* specific case : if transport stream output to RTP,
3606 we use a raw transport stream reader */
3607 stream->ap_in->mpeg2ts_raw = 1;
3608 stream->ap_in->mpeg2ts_compute_pcr = 1;
3611 http_log("Opening file '%s'\n", stream->feed_filename);
3612 if ((ret = av_open_input_file(&infile, stream->feed_filename,
3613 stream->ifmt, 0, stream->ap_in)) < 0) {
3614 http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
3615 /* remove stream (no need to spend more time on it) */
3617 remove_stream(stream);
3619 /* find all the AVStreams inside and reference them in
3621 if (av_find_stream_info(infile) < 0) {
3622 http_log("Could not find codec parameters from '%s'\n",
3623 stream->feed_filename);
3624 av_close_input_file(infile);
3627 extract_mpeg4_header(infile);
3629 for(i=0;i<infile->nb_streams;i++)
3630 add_av_stream1(stream, infile->streams[i]->codec, 1);
3632 av_close_input_file(infile);
3638 /* compute the needed AVStream for each feed */
3639 static void build_feed_streams(void)
3641 FFStream *stream, *feed;
3644 /* gather all streams */
3645 for(stream = first_stream; stream != NULL; stream = stream->next) {
3646 feed = stream->feed;
3648 if (!stream->is_feed) {
3649 /* we handle a stream coming from a feed */
3650 for(i=0;i<stream->nb_streams;i++)
3651 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3656 /* gather all streams */
3657 for(stream = first_stream; stream != NULL; stream = stream->next) {
3658 feed = stream->feed;
3660 if (stream->is_feed) {
3661 for(i=0;i<stream->nb_streams;i++)
3662 stream->feed_streams[i] = i;
3667 /* create feed files if needed */
3668 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3671 if (url_exist(feed->feed_filename)) {
3672 /* See if it matches */
3676 if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
3677 /* Now see if it matches */
3678 if (s->nb_streams == feed->nb_streams) {
3680 for(i=0;i<s->nb_streams;i++) {
3682 sf = feed->streams[i];
3685 if (sf->index != ss->index ||
3687 http_log("Index & Id do not match for stream %d (%s)\n",
3688 i, feed->feed_filename);
3691 AVCodecContext *ccf, *ccs;
3695 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3697 if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
3698 http_log("Codecs do not match for stream %d\n", i);
3700 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3701 http_log("Codec bitrates do not match for stream %d\n", i);
3703 } else if (ccf->codec_type == AVMEDIA_TYPE_VIDEO) {
3704 if (CHECK_CODEC(time_base.den) ||
3705 CHECK_CODEC(time_base.num) ||
3706 CHECK_CODEC(width) ||
3707 CHECK_CODEC(height)) {
3708 http_log("Codec width, height and framerate do not match for stream %d\n", i);
3711 } else if (ccf->codec_type == AVMEDIA_TYPE_AUDIO) {
3712 if (CHECK_CODEC(sample_rate) ||
3713 CHECK_CODEC(channels) ||
3714 CHECK_CODEC(frame_size)) {
3715 http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3719 http_log("Unknown codec type\n");
3727 http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3728 feed->feed_filename, s->nb_streams, feed->nb_streams);
3730 av_close_input_file(s);
3732 http_log("Deleting feed file '%s' as it appears to be corrupt\n",
3733 feed->feed_filename);
3736 if (feed->readonly) {
3737 http_log("Unable to delete feed file '%s' as it is marked readonly\n",
3738 feed->feed_filename);
3741 unlink(feed->feed_filename);
3744 if (!url_exist(feed->feed_filename)) {
3745 AVFormatContext s1 = {0}, *s = &s1;
3747 if (feed->readonly) {
3748 http_log("Unable to create feed file '%s' as it is marked readonly\n",
3749 feed->feed_filename);
3753 /* only write the header of the ffm file */
3754 if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
3755 http_log("Could not open output feed file '%s'\n",
3756 feed->feed_filename);
3759 s->oformat = feed->fmt;
3760 s->nb_streams = feed->nb_streams;
3761 for(i=0;i<s->nb_streams;i++) {
3763 st = feed->streams[i];
3766 av_set_parameters(s, NULL);
3767 if (av_write_header(s) < 0) {
3768 http_log("Container doesn't supports the required parameters\n");
3771 /* XXX: need better api */
3772 av_freep(&s->priv_data);
3775 /* get feed size and write index */
3776 fd = open(feed->feed_filename, O_RDONLY);
3778 http_log("Could not open output feed file '%s'\n",
3779 feed->feed_filename);
3783 feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
3784 feed->feed_size = lseek(fd, 0, SEEK_END);
3785 /* ensure that we do not wrap before the end of file */
3786 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3787 feed->feed_max_size = feed->feed_size;
3793 /* compute the bandwidth used by each stream */
3794 static void compute_bandwidth(void)
3800 for(stream = first_stream; stream != NULL; stream = stream->next) {
3802 for(i=0;i<stream->nb_streams;i++) {
3803 AVStream *st = stream->streams[i];
3804 switch(st->codec->codec_type) {
3805 case AVMEDIA_TYPE_AUDIO:
3806 case AVMEDIA_TYPE_VIDEO:
3807 bandwidth += st->codec->bit_rate;
3813 stream->bandwidth = (bandwidth + 999) / 1000;
3817 /* add a codec and set the default parameters */
3818 static void add_codec(FFStream *stream, AVCodecContext *av)
3822 /* compute default parameters */
3823 switch(av->codec_type) {
3824 case AVMEDIA_TYPE_AUDIO:
3825 if (av->bit_rate == 0)
3826 av->bit_rate = 64000;
3827 if (av->sample_rate == 0)
3828 av->sample_rate = 22050;
3829 if (av->channels == 0)
3832 case AVMEDIA_TYPE_VIDEO:
3833 if (av->bit_rate == 0)
3834 av->bit_rate = 64000;
3835 if (av->time_base.num == 0){
3836 av->time_base.den = 5;
3837 av->time_base.num = 1;
3839 if (av->width == 0 || av->height == 0) {
3843 /* Bitrate tolerance is less for streaming */
3844 if (av->bit_rate_tolerance == 0)
3845 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3846 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3851 if (av->max_qdiff == 0)
3853 av->qcompress = 0.5;
3856 if (!av->nsse_weight)
3857 av->nsse_weight = 8;
3859 av->frame_skip_cmp = FF_CMP_DCTMAX;
3861 av->me_method = ME_EPZS;
3862 av->rc_buffer_aggressivity = 1.0;
3865 av->rc_eq = "tex^qComp";
3866 if (!av->i_quant_factor)
3867 av->i_quant_factor = -0.8;
3868 if (!av->b_quant_factor)
3869 av->b_quant_factor = 1.25;
3870 if (!av->b_quant_offset)
3871 av->b_quant_offset = 1.25;
3872 if (!av->rc_max_rate)
3873 av->rc_max_rate = av->bit_rate * 2;
3875 if (av->rc_max_rate && !av->rc_buffer_size) {
3876 av->rc_buffer_size = av->rc_max_rate;
3885 st = av_mallocz(sizeof(AVStream));
3888 st->codec = avcodec_alloc_context();
3889 stream->streams[stream->nb_streams++] = st;
3890 memcpy(st->codec, av, sizeof(AVCodecContext));
3893 static enum CodecID opt_audio_codec(const char *arg)
3895 AVCodec *p= avcodec_find_encoder_by_name(arg);
3897 if (p == NULL || p->type != AVMEDIA_TYPE_AUDIO)
3898 return CODEC_ID_NONE;
3903 static enum CodecID opt_video_codec(const char *arg)
3905 AVCodec *p= avcodec_find_encoder_by_name(arg);
3907 if (p == NULL || p->type != AVMEDIA_TYPE_VIDEO)
3908 return CODEC_ID_NONE;
3913 /* simplistic plugin support */
3916 static void load_module(const char *filename)
3919 void (*init_func)(void);
3920 dll = dlopen(filename, RTLD_NOW);
3922 fprintf(stderr, "Could not load module '%s' - %s\n",
3923 filename, dlerror());
3927 init_func = dlsym(dll, "ffserver_module_init");
3930 "%s: init function 'ffserver_module_init()' not found\n",
3939 static int ffserver_opt_default(const char *opt, const char *arg,
3940 AVCodecContext *avctx, int type)
3943 const AVOption *o = av_find_opt(avctx, opt, NULL, type, type);
3945 ret = av_set_string3(avctx, opt, arg, 1, NULL);
3949 static int ffserver_opt_preset(const char *arg,
3950 AVCodecContext *avctx, int type,
3951 enum CodecID *audio_id, enum CodecID *video_id)
3954 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3956 const char *base[3]= { getenv("FFMPEG_DATADIR"),
3961 for(i=0; i<3 && !f; i++){
3964 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", arg);
3965 f= fopen(filename, "r");
3967 AVCodec *codec = avcodec_find_encoder(avctx->codec_id);
3969 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i != 1 ? "" : "/.ffmpeg", codec->name, arg);
3970 f= fopen(filename, "r");
3976 fprintf(stderr, "File for preset '%s' not found\n", arg);
3981 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3982 if(line[0] == '#' && !e)
3984 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3986 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3990 if(!strcmp(tmp, "acodec")){
3991 *audio_id = opt_audio_codec(tmp2);
3992 }else if(!strcmp(tmp, "vcodec")){
3993 *video_id = opt_video_codec(tmp2);
3994 }else if(!strcmp(tmp, "scodec")){
3995 /* opt_subtitle_codec(tmp2); */
3996 }else if(ffserver_opt_default(tmp, tmp2, avctx, type) < 0){
3997 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4008 static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename,
4009 const char *mime_type)
4011 AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
4014 AVOutputFormat *stream_fmt;
4015 char stream_format_name[64];
4017 snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
4018 stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
4027 static void report_config_error(const char *filename, int line_num, int *errors, const char *fmt, ...)
4031 fprintf(stderr, "%s:%d: ", filename, line_num);
4032 vfprintf(stderr, fmt, vl);
4038 static int parse_ffconfig(const char *filename)
4045 int val, errors, line_num;
4046 FFStream **last_stream, *stream, *redirect;
4047 FFStream **last_feed, *feed, *s;
4048 AVCodecContext audio_enc, video_enc;
4049 enum CodecID audio_id, video_id;
4051 f = fopen(filename, "r");
4059 first_stream = NULL;
4060 last_stream = &first_stream;
4062 last_feed = &first_feed;
4066 audio_id = CODEC_ID_NONE;
4067 video_id = CODEC_ID_NONE;
4069 #define ERROR(...) report_config_error(filename, line_num, &errors, __VA_ARGS__)
4071 if (fgets(line, sizeof(line), f) == NULL)
4077 if (*p == '\0' || *p == '#')
4080 get_arg(cmd, sizeof(cmd), &p);
4082 if (!strcasecmp(cmd, "Port")) {
4083 get_arg(arg, sizeof(arg), &p);
4085 if (val < 1 || val > 65536) {
4086 ERROR("Invalid_port: %s\n", arg);
4088 my_http_addr.sin_port = htons(val);
4089 } else if (!strcasecmp(cmd, "BindAddress")) {
4090 get_arg(arg, sizeof(arg), &p);
4091 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
4092 ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
4094 } else if (!strcasecmp(cmd, "NoDaemon")) {
4095 ffserver_daemon = 0;
4096 } else if (!strcasecmp(cmd, "RTSPPort")) {
4097 get_arg(arg, sizeof(arg), &p);
4099 if (val < 1 || val > 65536) {
4100 ERROR("%s:%d: Invalid port: %s\n", arg);
4102 my_rtsp_addr.sin_port = htons(atoi(arg));
4103 } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
4104 get_arg(arg, sizeof(arg), &p);
4105 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
4106 ERROR("Invalid host/IP address: %s\n", arg);
4108 } else if (!strcasecmp(cmd, "MaxHTTPConnections")) {
4109 get_arg(arg, sizeof(arg), &p);
4111 if (val < 1 || val > 65536) {
4112 ERROR("Invalid MaxHTTPConnections: %s\n", arg);
4114 nb_max_http_connections = val;
4115 } else if (!strcasecmp(cmd, "MaxClients")) {
4116 get_arg(arg, sizeof(arg), &p);
4118 if (val < 1 || val > nb_max_http_connections) {
4119 ERROR("Invalid MaxClients: %s\n", arg);
4121 nb_max_connections = val;
4123 } else if (!strcasecmp(cmd, "MaxBandwidth")) {
4125 get_arg(arg, sizeof(arg), &p);
4127 if (llval < 10 || llval > 10000000) {
4128 ERROR("Invalid MaxBandwidth: %s\n", arg);
4130 max_bandwidth = llval;
4131 } else if (!strcasecmp(cmd, "CustomLog")) {
4132 if (!ffserver_debug)
4133 get_arg(logfilename, sizeof(logfilename), &p);
4134 } else if (!strcasecmp(cmd, "<Feed")) {
4135 /*********************************************/
4136 /* Feed related options */
4138 if (stream || feed) {
4139 ERROR("Already in a tag\n");
4141 feed = av_mallocz(sizeof(FFStream));
4142 get_arg(feed->filename, sizeof(feed->filename), &p);
4143 q = strrchr(feed->filename, '>');
4147 for (s = first_feed; s; s = s->next) {
4148 if (!strcmp(feed->filename, s->filename)) {
4149 ERROR("Feed '%s' already registered\n", s->filename);
4153 feed->fmt = av_guess_format("ffm", NULL, NULL);
4154 /* defaut feed file */
4155 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
4156 "/tmp/%s.ffm", feed->filename);
4157 feed->feed_max_size = 5 * 1024 * 1024;
4159 feed->feed = feed; /* self feeding :-) */
4161 /* add in stream list */
4162 *last_stream = feed;
4163 last_stream = &feed->next;
4164 /* add in feed list */
4166 last_feed = &feed->next_feed;
4168 } else if (!strcasecmp(cmd, "Launch")) {
4172 feed->child_argv = av_mallocz(64 * sizeof(char *));
4174 for (i = 0; i < 62; i++) {
4175 get_arg(arg, sizeof(arg), &p);
4179 feed->child_argv[i] = av_strdup(arg);
4182 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
4184 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
4186 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
4187 inet_ntoa(my_http_addr.sin_addr),
4188 ntohs(my_http_addr.sin_port), feed->filename);
4190 } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
4192 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4194 } else if (stream) {
4195 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4197 } else if (!strcasecmp(cmd, "File")) {
4199 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4201 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4202 } else if (!strcasecmp(cmd, "Truncate")) {
4204 get_arg(arg, sizeof(arg), &p);
4205 feed->truncate = strtod(arg, NULL);
4207 } else if (!strcasecmp(cmd, "FileMaxSize")) {
4212 get_arg(arg, sizeof(arg), &p);
4214 fsize = strtod(p1, &p1);
4215 switch(toupper(*p1)) {
4220 fsize *= 1024 * 1024;
4223 fsize *= 1024 * 1024 * 1024;
4226 feed->feed_max_size = (int64_t)fsize;
4227 if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
4228 ERROR("Feed max file size is too small, must be at least %d\n", FFM_PACKET_SIZE*4);
4231 } else if (!strcasecmp(cmd, "</Feed>")) {
4233 ERROR("No corresponding <Feed> for </Feed>\n");
4236 } else if (!strcasecmp(cmd, "<Stream")) {
4237 /*********************************************/
4238 /* Stream related options */
4240 if (stream || feed) {
4241 ERROR("Already in a tag\n");
4244 stream = av_mallocz(sizeof(FFStream));
4245 get_arg(stream->filename, sizeof(stream->filename), &p);
4246 q = strrchr(stream->filename, '>');
4250 for (s = first_stream; s; s = s->next) {
4251 if (!strcmp(stream->filename, s->filename)) {
4252 ERROR("Stream '%s' already registered\n", s->filename);
4256 stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
4257 avcodec_get_context_defaults2(&video_enc, AVMEDIA_TYPE_VIDEO);
4258 avcodec_get_context_defaults2(&audio_enc, AVMEDIA_TYPE_AUDIO);
4259 audio_id = CODEC_ID_NONE;
4260 video_id = CODEC_ID_NONE;
4262 audio_id = stream->fmt->audio_codec;
4263 video_id = stream->fmt->video_codec;
4266 *last_stream = stream;
4267 last_stream = &stream->next;
4269 } else if (!strcasecmp(cmd, "Feed")) {
4270 get_arg(arg, sizeof(arg), &p);
4275 while (sfeed != NULL) {
4276 if (!strcmp(sfeed->filename, arg))
4278 sfeed = sfeed->next_feed;
4281 ERROR("feed '%s' not defined\n", arg);
4283 stream->feed = sfeed;
4285 } else if (!strcasecmp(cmd, "Format")) {
4286 get_arg(arg, sizeof(arg), &p);
4288 if (!strcmp(arg, "status")) {
4289 stream->stream_type = STREAM_TYPE_STATUS;
4292 stream->stream_type = STREAM_TYPE_LIVE;
4293 /* jpeg cannot be used here, so use single frame jpeg */
4294 if (!strcmp(arg, "jpeg"))
4295 strcpy(arg, "mjpeg");
4296 stream->fmt = ffserver_guess_format(arg, NULL, NULL);
4298 ERROR("Unknown Format: %s\n", arg);
4302 audio_id = stream->fmt->audio_codec;
4303 video_id = stream->fmt->video_codec;
4306 } else if (!strcasecmp(cmd, "InputFormat")) {
4307 get_arg(arg, sizeof(arg), &p);
4309 stream->ifmt = av_find_input_format(arg);
4310 if (!stream->ifmt) {
4311 ERROR("Unknown input format: %s\n", arg);
4314 } else if (!strcasecmp(cmd, "FaviconURL")) {
4315 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4316 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4318 ERROR("FaviconURL only permitted for status streams\n");
4320 } else if (!strcasecmp(cmd, "Author")) {
4322 get_arg(stream->author, sizeof(stream->author), &p);
4323 } else if (!strcasecmp(cmd, "Comment")) {
4325 get_arg(stream->comment, sizeof(stream->comment), &p);
4326 } else if (!strcasecmp(cmd, "Copyright")) {
4328 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4329 } else if (!strcasecmp(cmd, "Title")) {
4331 get_arg(stream->title, sizeof(stream->title), &p);
4332 } else if (!strcasecmp(cmd, "Preroll")) {
4333 get_arg(arg, sizeof(arg), &p);
4335 stream->prebuffer = atof(arg) * 1000;
4336 } else if (!strcasecmp(cmd, "StartSendOnKey")) {
4338 stream->send_on_key = 1;
4339 } else if (!strcasecmp(cmd, "AudioCodec")) {
4340 get_arg(arg, sizeof(arg), &p);
4341 audio_id = opt_audio_codec(arg);
4342 if (audio_id == CODEC_ID_NONE) {
4343 ERROR("Unknown AudioCodec: %s\n", arg);
4345 } else if (!strcasecmp(cmd, "VideoCodec")) {
4346 get_arg(arg, sizeof(arg), &p);
4347 video_id = opt_video_codec(arg);
4348 if (video_id == CODEC_ID_NONE) {
4349 ERROR("Unknown VideoCodec: %s\n", arg);
4351 } else if (!strcasecmp(cmd, "MaxTime")) {
4352 get_arg(arg, sizeof(arg), &p);
4354 stream->max_time = atof(arg) * 1000;
4355 } else if (!strcasecmp(cmd, "AudioBitRate")) {
4356 get_arg(arg, sizeof(arg), &p);
4358 audio_enc.bit_rate = lrintf(atof(arg) * 1000);
4359 } else if (!strcasecmp(cmd, "AudioChannels")) {
4360 get_arg(arg, sizeof(arg), &p);
4362 audio_enc.channels = atoi(arg);
4363 } else if (!strcasecmp(cmd, "AudioSampleRate")) {
4364 get_arg(arg, sizeof(arg), &p);
4366 audio_enc.sample_rate = atoi(arg);
4367 } else if (!strcasecmp(cmd, "AudioQuality")) {
4368 get_arg(arg, sizeof(arg), &p);
4370 // audio_enc.quality = atof(arg) * 1000;
4372 } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
4374 int minrate, maxrate;
4376 get_arg(arg, sizeof(arg), &p);
4378 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4379 video_enc.rc_min_rate = minrate * 1000;
4380 video_enc.rc_max_rate = maxrate * 1000;
4382 ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
4385 } else if (!strcasecmp(cmd, "Debug")) {
4387 get_arg(arg, sizeof(arg), &p);
4388 video_enc.debug = strtol(arg,0,0);
4390 } else if (!strcasecmp(cmd, "Strict")) {
4392 get_arg(arg, sizeof(arg), &p);
4393 video_enc.strict_std_compliance = atoi(arg);
4395 } else if (!strcasecmp(cmd, "VideoBufferSize")) {
4397 get_arg(arg, sizeof(arg), &p);
4398 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4400 } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
4402 get_arg(arg, sizeof(arg), &p);
4403 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4405 } else if (!strcasecmp(cmd, "VideoBitRate")) {
4406 get_arg(arg, sizeof(arg), &p);
4408 video_enc.bit_rate = atoi(arg) * 1000;
4410 } else if (!strcasecmp(cmd, "VideoSize")) {
4411 get_arg(arg, sizeof(arg), &p);
4413 av_parse_video_frame_size(&video_enc.width, &video_enc.height, arg);
4414 if ((video_enc.width % 16) != 0 ||
4415 (video_enc.height % 16) != 0) {
4416 ERROR("Image size must be a multiple of 16\n");
4419 } else if (!strcasecmp(cmd, "VideoFrameRate")) {
4420 get_arg(arg, sizeof(arg), &p);
4422 AVRational frame_rate;
4423 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
4424 ERROR("Incorrect frame rate: %s\n", arg);
4426 video_enc.time_base.num = frame_rate.den;
4427 video_enc.time_base.den = frame_rate.num;
4430 } else if (!strcasecmp(cmd, "VideoGopSize")) {
4431 get_arg(arg, sizeof(arg), &p);
4433 video_enc.gop_size = atoi(arg);
4434 } else if (!strcasecmp(cmd, "VideoIntraOnly")) {
4436 video_enc.gop_size = 1;
4437 } else if (!strcasecmp(cmd, "VideoHighQuality")) {
4439 video_enc.mb_decision = FF_MB_DECISION_BITS;
4440 } else if (!strcasecmp(cmd, "Video4MotionVector")) {
4442 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4443 video_enc.flags |= CODEC_FLAG_4MV;
4445 } else if (!strcasecmp(cmd, "AVOptionVideo") ||
4446 !strcasecmp(cmd, "AVOptionAudio")) {
4448 AVCodecContext *avctx;
4450 get_arg(arg, sizeof(arg), &p);
4451 get_arg(arg2, sizeof(arg2), &p);
4452 if (!strcasecmp(cmd, "AVOptionVideo")) {
4454 type = AV_OPT_FLAG_VIDEO_PARAM;
4457 type = AV_OPT_FLAG_AUDIO_PARAM;
4459 if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4460 ERROR("AVOption error: %s %s\n", arg, arg2);
4462 } else if (!strcasecmp(cmd, "AVPresetVideo") ||
4463 !strcasecmp(cmd, "AVPresetAudio")) {
4464 AVCodecContext *avctx;
4466 get_arg(arg, sizeof(arg), &p);
4467 if (!strcasecmp(cmd, "AVPresetVideo")) {
4469 video_enc.codec_id = video_id;
4470 type = AV_OPT_FLAG_VIDEO_PARAM;
4473 audio_enc.codec_id = audio_id;
4474 type = AV_OPT_FLAG_AUDIO_PARAM;
4476 if (ffserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &audio_id, &video_id)) {
4477 ERROR("AVPreset error: %s\n", arg);
4479 } else if (!strcasecmp(cmd, "VideoTag")) {
4480 get_arg(arg, sizeof(arg), &p);
4481 if ((strlen(arg) == 4) && stream)
4482 video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
4483 } else if (!strcasecmp(cmd, "BitExact")) {
4485 video_enc.flags |= CODEC_FLAG_BITEXACT;
4486 } else if (!strcasecmp(cmd, "DctFastint")) {
4488 video_enc.dct_algo = FF_DCT_FASTINT;
4489 } else if (!strcasecmp(cmd, "IdctSimple")) {
4491 video_enc.idct_algo = FF_IDCT_SIMPLE;
4492 } else if (!strcasecmp(cmd, "Qscale")) {
4493 get_arg(arg, sizeof(arg), &p);
4495 video_enc.flags |= CODEC_FLAG_QSCALE;
4496 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4498 } else if (!strcasecmp(cmd, "VideoQDiff")) {
4499 get_arg(arg, sizeof(arg), &p);
4501 video_enc.max_qdiff = atoi(arg);
4502 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4503 ERROR("VideoQDiff out of range\n");
4506 } else if (!strcasecmp(cmd, "VideoQMax")) {
4507 get_arg(arg, sizeof(arg), &p);
4509 video_enc.qmax = atoi(arg);
4510 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4511 ERROR("VideoQMax out of range\n");
4514 } else if (!strcasecmp(cmd, "VideoQMin")) {
4515 get_arg(arg, sizeof(arg), &p);
4517 video_enc.qmin = atoi(arg);
4518 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4519 ERROR("VideoQMin out of range\n");
4522 } else if (!strcasecmp(cmd, "LumaElim")) {
4523 get_arg(arg, sizeof(arg), &p);
4525 video_enc.luma_elim_threshold = atoi(arg);
4526 } else if (!strcasecmp(cmd, "ChromaElim")) {
4527 get_arg(arg, sizeof(arg), &p);
4529 video_enc.chroma_elim_threshold = atoi(arg);
4530 } else if (!strcasecmp(cmd, "LumiMask")) {
4531 get_arg(arg, sizeof(arg), &p);
4533 video_enc.lumi_masking = atof(arg);
4534 } else if (!strcasecmp(cmd, "DarkMask")) {
4535 get_arg(arg, sizeof(arg), &p);
4537 video_enc.dark_masking = atof(arg);
4538 } else if (!strcasecmp(cmd, "NoVideo")) {
4539 video_id = CODEC_ID_NONE;
4540 } else if (!strcasecmp(cmd, "NoAudio")) {
4541 audio_id = CODEC_ID_NONE;
4542 } else if (!strcasecmp(cmd, "ACL")) {
4543 parse_acl_row(stream, feed, NULL, p, filename, line_num);
4544 } else if (!strcasecmp(cmd, "DynamicACL")) {
4546 get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), &p);
4548 } else if (!strcasecmp(cmd, "RTSPOption")) {
4549 get_arg(arg, sizeof(arg), &p);
4551 av_freep(&stream->rtsp_option);
4552 stream->rtsp_option = av_strdup(arg);
4554 } else if (!strcasecmp(cmd, "MulticastAddress")) {
4555 get_arg(arg, sizeof(arg), &p);
4557 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4558 ERROR("Invalid host/IP address: %s\n", arg);
4560 stream->is_multicast = 1;
4561 stream->loop = 1; /* default is looping */
4563 } else if (!strcasecmp(cmd, "MulticastPort")) {
4564 get_arg(arg, sizeof(arg), &p);
4566 stream->multicast_port = atoi(arg);
4567 } else if (!strcasecmp(cmd, "MulticastTTL")) {
4568 get_arg(arg, sizeof(arg), &p);
4570 stream->multicast_ttl = atoi(arg);
4571 } else if (!strcasecmp(cmd, "NoLoop")) {
4574 } else if (!strcasecmp(cmd, "</Stream>")) {
4576 ERROR("No corresponding <Stream> for </Stream>\n");
4578 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4579 if (audio_id != CODEC_ID_NONE) {
4580 audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
4581 audio_enc.codec_id = audio_id;
4582 add_codec(stream, &audio_enc);
4584 if (video_id != CODEC_ID_NONE) {
4585 video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
4586 video_enc.codec_id = video_id;
4587 add_codec(stream, &video_enc);
4592 } else if (!strcasecmp(cmd, "<Redirect")) {
4593 /*********************************************/
4595 if (stream || feed || redirect) {
4596 ERROR("Already in a tag\n");
4598 redirect = av_mallocz(sizeof(FFStream));
4599 *last_stream = redirect;
4600 last_stream = &redirect->next;
4602 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4603 q = strrchr(redirect->filename, '>');
4606 redirect->stream_type = STREAM_TYPE_REDIRECT;
4608 } else if (!strcasecmp(cmd, "URL")) {
4610 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4611 } else if (!strcasecmp(cmd, "</Redirect>")) {
4613 ERROR("No corresponding <Redirect> for </Redirect>\n");
4615 if (!redirect->feed_filename[0]) {
4616 ERROR("No URL found for <Redirect>\n");
4620 } else if (!strcasecmp(cmd, "LoadModule")) {
4621 get_arg(arg, sizeof(arg), &p);
4625 ERROR("Module support not compiled into this version: '%s'\n", arg);
4628 ERROR("Incorrect keyword: '%s'\n", cmd);
4640 static void handle_child_exit(int sig)
4645 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4648 for (feed = first_feed; feed; feed = feed->next) {
4649 if (feed->pid == pid) {
4650 int uptime = time(0) - feed->pid_start;
4653 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4656 /* Turn off any more restarts */
4657 feed->child_argv = 0;
4662 need_to_start_children = 1;
4665 static void opt_debug(void)
4668 ffserver_daemon = 0;
4669 logfilename[0] = '-';
4672 static void show_help(void)
4674 printf("usage: ffserver [options]\n"
4675 "Hyper fast multi format Audio/Video streaming server\n");
4677 show_help_options(options, "Main options:\n", 0, 0);
4680 static const OptionDef options[] = {
4681 #include "cmdutils_common_opts.h"
4682 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4683 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4684 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4688 int main(int argc, char **argv)
4690 struct sigaction sigact;
4696 my_program_name = argv[0];
4697 my_program_dir = getcwd(0, 0);
4698 ffserver_daemon = 1;
4700 parse_options(argc, argv, options, NULL);
4702 unsetenv("http_proxy"); /* Kill the http_proxy */
4704 av_lfg_init(&random_state, av_get_random_seed());
4706 memset(&sigact, 0, sizeof(sigact));
4707 sigact.sa_handler = handle_child_exit;
4708 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4709 sigaction(SIGCHLD, &sigact, 0);
4711 if (parse_ffconfig(config_filename) < 0) {
4712 fprintf(stderr, "Incorrect config file - exiting.\n");
4716 /* open log file if needed */
4717 if (logfilename[0] != '\0') {
4718 if (!strcmp(logfilename, "-"))
4721 logfile = fopen(logfilename, "a");
4722 av_log_set_callback(http_av_log);
4725 build_file_streams();
4727 build_feed_streams();
4729 compute_bandwidth();
4731 /* put the process in background and detach it from its TTY */
4732 if (ffserver_daemon) {
4739 } else if (pid > 0) {
4746 open("/dev/null", O_RDWR);
4747 if (strcmp(logfilename, "-") != 0) {
4757 signal(SIGPIPE, SIG_IGN);
4759 if (ffserver_daemon)
4762 if (http_server() < 0) {
4763 http_log("Could not start server\n");