2 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multiple format streaming server based on the FFmpeg libraries
28 #define closesocket close
32 #include "libavformat/avformat.h"
33 // FIXME those are internal headers, ffserver _really_ shouldn't use them
34 #include "libavformat/ffm.h"
35 #include "libavformat/network.h"
36 #include "libavformat/os_support.h"
37 #include "libavformat/rtpdec.h"
38 #include "libavformat/rtsp.h"
39 #include "libavformat/avio_internal.h"
40 #include "libavformat/internal.h"
41 #include "libavformat/url.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/lfg.h"
45 #include "libavutil/dict.h"
46 #include "libavutil/mathematics.h"
47 #include "libavutil/random_seed.h"
48 #include "libavutil/parseutils.h"
49 #include "libavutil/opt.h"
53 #include <sys/ioctl.h>
68 const char program_name[] = "ffserver";
69 const int program_birth_year = 2000;
71 static const OptionDef options[];
74 HTTPSTATE_WAIT_REQUEST,
75 HTTPSTATE_SEND_HEADER,
76 HTTPSTATE_SEND_DATA_HEADER,
77 HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
78 HTTPSTATE_SEND_DATA_TRAILER,
79 HTTPSTATE_RECEIVE_DATA,
80 HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
83 RTSPSTATE_WAIT_REQUEST,
85 RTSPSTATE_SEND_PACKET,
88 static const char *http_state[] = {
104 #define MAX_STREAMS 20
106 #define IOBUFFER_INIT_SIZE 8192
108 /* timeouts are in ms */
109 #define HTTP_REQUEST_TIMEOUT (15 * 1000)
110 #define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
112 #define SYNC_TIMEOUT (10 * 1000)
114 typedef struct RTSPActionServerSetup {
116 char transport_option[512];
117 } RTSPActionServerSetup;
120 int64_t count1, count2;
121 int64_t time1, time2;
124 /* context associated with one connection */
125 typedef struct HTTPContext {
126 enum HTTPState state;
127 int fd; /* socket file descriptor */
128 struct sockaddr_in from_addr; /* origin */
129 struct pollfd *poll_entry; /* used when polling */
131 uint8_t *buffer_ptr, *buffer_end;
134 int chunked_encoding;
135 int chunk_size; /* 0 if it needs to be read */
136 struct HTTPContext *next;
137 int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
141 /* input format handling */
142 AVFormatContext *fmt_in;
143 int64_t start_time; /* In milliseconds - this wraps fairly often */
144 int64_t first_pts; /* initial pts value */
145 int64_t cur_pts; /* current pts value from the stream in us */
146 int64_t cur_frame_duration; /* duration of the current frame in us */
147 int cur_frame_bytes; /* output frame size, needed to compute
148 the time at which we send each
150 int pts_stream_index; /* stream we choose as clock reference */
151 int64_t cur_clock; /* current clock reference value in us */
152 /* output format handling */
153 struct FFStream *stream;
154 /* -1 is invalid stream */
155 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
156 int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
158 AVFormatContext fmt_ctx; /* instance of FFStream for one user */
159 int last_packet_sent; /* true if last data packet was sent */
161 DataRateData datarate;
168 int is_packetized; /* if true, the stream is packetized */
169 int packet_stream_index; /* current stream for output in state machine */
171 /* RTSP state specific */
172 uint8_t *pb_buffer; /* XXX: use that in all the code */
174 int seq; /* RTSP sequence number */
176 /* RTP state specific */
177 enum RTSPLowerTransport rtp_protocol;
178 char session_id[32]; /* session id */
179 AVFormatContext *rtp_ctx[MAX_STREAMS];
181 /* RTP/UDP specific */
182 URLContext *rtp_handles[MAX_STREAMS];
184 /* RTP/TCP specific */
185 struct HTTPContext *rtsp_c;
186 uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
189 /* each generated stream is described here */
193 STREAM_TYPE_REDIRECT,
196 enum IPAddressAction {
201 typedef struct IPAddressACL {
202 struct IPAddressACL *next;
203 enum IPAddressAction action;
204 /* These are in host order */
205 struct in_addr first;
209 /* description of each stream of the ffserver.conf file */
210 typedef struct FFStream {
211 enum StreamType stream_type;
212 char filename[1024]; /* stream filename */
213 struct FFStream *feed; /* feed we are using (can be null if
215 AVDictionary *in_opts; /* input parameters */
216 AVInputFormat *ifmt; /* if non NULL, force input format */
219 char dynamic_acl[1024];
221 int prebuffer; /* Number of millseconds early to start */
222 int64_t max_time; /* Number of milliseconds to run */
224 AVStream *streams[MAX_STREAMS];
225 int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
226 char feed_filename[1024]; /* file name of the feed storage, or
227 input file name for a stream */
232 pid_t pid; /* Of ffmpeg process */
233 time_t pid_start; /* Of ffmpeg process */
235 struct FFStream *next;
236 unsigned bandwidth; /* bandwidth, in kbits/s */
239 /* multicast specific */
241 struct in_addr multicast_ip;
242 int multicast_port; /* first port used for multicast */
244 int loop; /* if true, send the stream in loops (only meaningful if file) */
247 int feed_opened; /* true if someone is writing to the feed */
248 int is_feed; /* true if it is a feed */
249 int readonly; /* True if writing is prohibited to the file */
250 int truncate; /* True if feeder connection truncate the feed file */
252 int64_t bytes_served;
253 int64_t feed_max_size; /* maximum storage size, zero means unlimited */
254 int64_t feed_write_index; /* current write position in feed (it wraps around) */
255 int64_t feed_size; /* current size of feed */
256 struct FFStream *next_feed;
259 typedef struct FeedData {
260 long long data_count;
261 float avg_frame_size; /* frame size averaged over last frames with exponential mean */
264 static struct sockaddr_in my_http_addr;
265 static struct sockaddr_in my_rtsp_addr;
267 static char logfilename[1024];
268 static HTTPContext *first_http_ctx;
269 static FFStream *first_feed; /* contains only feeds */
270 static FFStream *first_stream; /* contains all streams, including feeds */
272 static void new_connection(int server_fd, int is_rtsp);
273 static void close_connection(HTTPContext *c);
276 static int handle_connection(HTTPContext *c);
277 static int http_parse_request(HTTPContext *c);
278 static int http_send_data(HTTPContext *c);
279 static void compute_status(HTTPContext *c);
280 static int open_input_stream(HTTPContext *c, const char *info);
281 static int http_start_receive_data(HTTPContext *c);
282 static int http_receive_data(HTTPContext *c);
285 static int rtsp_parse_request(HTTPContext *c);
286 static void rtsp_cmd_describe(HTTPContext *c, const char *url);
287 static void rtsp_cmd_options(HTTPContext *c, const char *url);
288 static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPMessageHeader *h);
289 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h);
290 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h);
291 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h);
294 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
295 struct in_addr my_ip);
298 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
299 FFStream *stream, const char *session_id,
300 enum RTSPLowerTransport rtp_protocol);
301 static int rtp_new_av_stream(HTTPContext *c,
302 int stream_index, struct sockaddr_in *dest_addr,
303 HTTPContext *rtsp_c);
305 static const char *my_program_name;
306 static const char *my_program_dir;
308 static const char *config_filename = "/etc/ffserver.conf";
310 static int ffserver_debug;
311 static int ffserver_daemon;
312 static int no_launch;
313 static int need_to_start_children;
315 /* maximum number of simultaneous HTTP connections */
316 static unsigned int nb_max_http_connections = 2000;
317 static unsigned int nb_max_connections = 5;
318 static unsigned int nb_connections;
320 static uint64_t max_bandwidth = 1000;
321 static uint64_t current_bandwidth;
323 static int64_t cur_time; // Making this global saves on passing it around everywhere
325 static AVLFG random_state;
327 static FILE *logfile = NULL;
329 /* FIXME: make ffserver work with IPv6 */
330 void av_noreturn exit_program(int ret)
335 /* resolve host with also IP address parsing */
336 static int resolve_host(struct in_addr *sin_addr, const char *hostname)
339 if (!ff_inet_aton(hostname, sin_addr)) {
341 struct addrinfo *ai, *cur;
342 struct addrinfo hints = { 0 };
343 hints.ai_family = AF_INET;
344 if (getaddrinfo(hostname, NULL, &hints, &ai))
346 /* getaddrinfo returns a linked list of addrinfo structs.
347 * Even if we set ai_family = AF_INET above, make sure
348 * that the returned one actually is of the correct type. */
349 for (cur = ai; cur; cur = cur->ai_next) {
350 if (cur->ai_family == AF_INET) {
351 *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
360 hp = gethostbyname(hostname);
363 memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
369 static char *ctime1(char *buf2)
377 p = buf2 + strlen(p) - 1;
383 static void http_vlog(const char *fmt, va_list vargs)
385 static int print_prefix = 1;
390 fprintf(logfile, "%s ", buf);
392 print_prefix = strstr(fmt, "\n") != NULL;
393 vfprintf(logfile, fmt, vargs);
399 __attribute__ ((format (printf, 1, 2)))
401 static void http_log(const char *fmt, ...)
404 va_start(vargs, fmt);
405 http_vlog(fmt, vargs);
409 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
411 static int print_prefix = 1;
412 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
413 if (level > av_log_get_level())
415 if (print_prefix && avc)
416 http_log("[%s @ %p]", avc->item_name(ptr), ptr);
417 print_prefix = strstr(fmt, "\n") != NULL;
418 http_vlog(fmt, vargs);
421 static void log_connection(HTTPContext *c)
426 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
427 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
428 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
431 static void update_datarate(DataRateData *drd, int64_t count)
433 if (!drd->time1 && !drd->count1) {
434 drd->time1 = drd->time2 = cur_time;
435 drd->count1 = drd->count2 = count;
436 } else if (cur_time - drd->time2 > 5000) {
437 drd->time1 = drd->time2;
438 drd->count1 = drd->count2;
439 drd->time2 = cur_time;
444 /* In bytes per second */
445 static int compute_datarate(DataRateData *drd, int64_t count)
447 if (cur_time == drd->time1)
450 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
454 static void start_children(FFStream *feed)
459 for (; feed; feed = feed->next) {
460 if (feed->child_argv && !feed->pid) {
461 feed->pid_start = time(0);
466 http_log("Unable to create children\n");
475 av_strlcpy(pathname, my_program_name, sizeof(pathname));
477 slash = strrchr(pathname, '/');
482 strcpy(slash, "ffmpeg");
484 http_log("Launch command line: ");
485 http_log("%s ", pathname);
486 for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
487 http_log("%s ", feed->child_argv[i]);
490 for (i = 3; i < 256; i++)
493 if (!ffserver_debug) {
494 i = open("/dev/null", O_RDWR);
503 /* This is needed to make relative pathnames work */
504 if (chdir(my_program_dir) < 0) {
505 http_log("chdir failed\n");
509 signal(SIGPIPE, SIG_DFL);
511 execvp(pathname, feed->child_argv);
519 /* open a listening socket */
520 static int socket_open_listen(struct sockaddr_in *my_addr)
524 server_fd = socket(AF_INET,SOCK_STREAM,0);
531 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
533 my_addr->sin_family = AF_INET;
534 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
536 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
538 closesocket(server_fd);
542 if (listen (server_fd, 5) < 0) {
544 closesocket(server_fd);
547 ff_socket_nonblock(server_fd, 1);
552 /* start all multicast streams */
553 static void start_multicast(void)
558 struct sockaddr_in dest_addr;
559 int default_port, stream_index;
562 for(stream = first_stream; stream != NULL; stream = stream->next) {
563 if (stream->is_multicast) {
564 /* open the RTP connection */
565 snprintf(session_id, sizeof(session_id), "%08x%08x",
566 av_lfg_get(&random_state), av_lfg_get(&random_state));
568 /* choose a port if none given */
569 if (stream->multicast_port == 0) {
570 stream->multicast_port = default_port;
574 dest_addr.sin_family = AF_INET;
575 dest_addr.sin_addr = stream->multicast_ip;
576 dest_addr.sin_port = htons(stream->multicast_port);
578 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
579 RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
583 if (open_input_stream(rtp_c, "") < 0) {
584 http_log("Could not open input stream for stream '%s'\n",
589 /* open each RTP stream */
590 for(stream_index = 0; stream_index < stream->nb_streams;
592 dest_addr.sin_port = htons(stream->multicast_port +
594 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
595 http_log("Could not open output stream '%s/streamid=%d'\n",
596 stream->filename, stream_index);
601 /* change state to send data */
602 rtp_c->state = HTTPSTATE_SEND_DATA;
607 /* main loop of the http server */
608 static int http_server(void)
610 int server_fd = 0, rtsp_server_fd = 0;
611 int ret, delay, delay1;
612 struct pollfd *poll_table, *poll_entry;
613 HTTPContext *c, *c_next;
615 if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
616 http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
620 if (my_http_addr.sin_port) {
621 server_fd = socket_open_listen(&my_http_addr);
626 if (my_rtsp_addr.sin_port) {
627 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
628 if (rtsp_server_fd < 0)
632 if (!rtsp_server_fd && !server_fd) {
633 http_log("HTTP and RTSP disabled.\n");
637 http_log("FFserver started.\n");
639 start_children(first_feed);
644 poll_entry = poll_table;
646 poll_entry->fd = server_fd;
647 poll_entry->events = POLLIN;
650 if (rtsp_server_fd) {
651 poll_entry->fd = rtsp_server_fd;
652 poll_entry->events = POLLIN;
656 /* wait for events on each HTTP handle */
663 case HTTPSTATE_SEND_HEADER:
664 case RTSPSTATE_SEND_REPLY:
665 case RTSPSTATE_SEND_PACKET:
666 c->poll_entry = poll_entry;
668 poll_entry->events = POLLOUT;
671 case HTTPSTATE_SEND_DATA_HEADER:
672 case HTTPSTATE_SEND_DATA:
673 case HTTPSTATE_SEND_DATA_TRAILER:
674 if (!c->is_packetized) {
675 /* for TCP, we output as much as we can (may need to put a limit) */
676 c->poll_entry = poll_entry;
678 poll_entry->events = POLLOUT;
681 /* when ffserver is doing the timing, we work by
682 looking at which packet need to be sent every
684 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
689 case HTTPSTATE_WAIT_REQUEST:
690 case HTTPSTATE_RECEIVE_DATA:
691 case HTTPSTATE_WAIT_FEED:
692 case RTSPSTATE_WAIT_REQUEST:
693 /* need to catch errors */
694 c->poll_entry = poll_entry;
696 poll_entry->events = POLLIN;/* Maybe this will work */
700 c->poll_entry = NULL;
706 /* wait for an event on one connection. We poll at least every
707 second to handle timeouts */
709 ret = poll(poll_table, poll_entry - poll_table, delay);
710 if (ret < 0 && ff_neterrno() != AVERROR(EAGAIN) &&
711 ff_neterrno() != AVERROR(EINTR))
715 cur_time = av_gettime() / 1000;
717 if (need_to_start_children) {
718 need_to_start_children = 0;
719 start_children(first_feed);
722 /* now handle the events */
723 for(c = first_http_ctx; c != NULL; c = c_next) {
725 if (handle_connection(c) < 0) {
726 /* close and free the connection */
732 poll_entry = poll_table;
734 /* new HTTP connection request ? */
735 if (poll_entry->revents & POLLIN)
736 new_connection(server_fd, 0);
739 if (rtsp_server_fd) {
740 /* new RTSP connection request ? */
741 if (poll_entry->revents & POLLIN)
742 new_connection(rtsp_server_fd, 1);
747 /* start waiting for a new HTTP/RTSP request */
748 static void start_wait_request(HTTPContext *c, int is_rtsp)
750 c->buffer_ptr = c->buffer;
751 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
754 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
755 c->state = RTSPSTATE_WAIT_REQUEST;
757 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
758 c->state = HTTPSTATE_WAIT_REQUEST;
762 static void http_send_too_busy_reply(int fd)
765 int len = snprintf(buffer, sizeof(buffer),
766 "HTTP/1.0 503 Server too busy\r\n"
767 "Content-type: text/html\r\n"
769 "<html><head><title>Too busy</title></head><body>\r\n"
770 "<p>The server is too busy to serve your request at this time.</p>\r\n"
771 "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
772 "</body></html>\r\n",
773 nb_connections, nb_max_connections);
774 send(fd, buffer, len, 0);
778 static void new_connection(int server_fd, int is_rtsp)
780 struct sockaddr_in from_addr;
782 HTTPContext *c = NULL;
784 len = sizeof(from_addr);
785 fd = accept(server_fd, (struct sockaddr *)&from_addr,
788 http_log("error during accept %s\n", strerror(errno));
791 ff_socket_nonblock(fd, 1);
793 if (nb_connections >= nb_max_connections) {
794 http_send_too_busy_reply(fd);
798 /* add a new connection */
799 c = av_mallocz(sizeof(HTTPContext));
804 c->poll_entry = NULL;
805 c->from_addr = from_addr;
806 c->buffer_size = IOBUFFER_INIT_SIZE;
807 c->buffer = av_malloc(c->buffer_size);
811 c->next = first_http_ctx;
815 start_wait_request(c, is_rtsp);
827 static void close_connection(HTTPContext *c)
829 HTTPContext **cp, *c1;
831 AVFormatContext *ctx;
835 /* remove connection from list */
836 cp = &first_http_ctx;
837 while ((*cp) != NULL) {
845 /* remove references, if any (XXX: do it faster) */
846 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
851 /* remove connection associated resources */
855 /* close each frame parser */
856 for(i=0;i<c->fmt_in->nb_streams;i++) {
857 st = c->fmt_in->streams[i];
858 if (st->codec->codec)
859 avcodec_close(st->codec);
861 avformat_close_input(&c->fmt_in);
864 /* free RTP output streams if any */
867 nb_streams = c->stream->nb_streams;
869 for(i=0;i<nb_streams;i++) {
872 av_write_trailer(ctx);
873 av_dict_free(&ctx->metadata);
874 av_free(ctx->streams[0]);
877 h = c->rtp_handles[i];
884 if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
887 if (avio_open_dyn_buf(&ctx->pb) >= 0) {
888 av_write_trailer(ctx);
889 av_freep(&c->pb_buffer);
890 avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
895 for(i=0; i<ctx->nb_streams; i++)
896 av_free(ctx->streams[i]);
898 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
899 current_bandwidth -= c->stream->bandwidth;
901 /* signal that there is no feed if we are the feeder socket */
902 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
903 c->stream->feed_opened = 0;
907 av_freep(&c->pb_buffer);
908 av_freep(&c->packet_buffer);
914 static int handle_connection(HTTPContext *c)
919 case HTTPSTATE_WAIT_REQUEST:
920 case RTSPSTATE_WAIT_REQUEST:
922 if ((c->timeout - cur_time) < 0)
924 if (c->poll_entry->revents & (POLLERR | POLLHUP))
927 /* no need to read if no events */
928 if (!(c->poll_entry->revents & POLLIN))
932 len = recv(c->fd, c->buffer_ptr, 1, 0);
934 if (ff_neterrno() != AVERROR(EAGAIN) &&
935 ff_neterrno() != AVERROR(EINTR))
937 } else if (len == 0) {
940 /* search for end of request. */
942 c->buffer_ptr += len;
944 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
945 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
946 /* request found : parse it and reply */
947 if (c->state == HTTPSTATE_WAIT_REQUEST) {
948 ret = http_parse_request(c);
950 ret = rtsp_parse_request(c);
954 } else if (ptr >= c->buffer_end) {
955 /* request too long: cannot do anything */
957 } else goto read_loop;
961 case HTTPSTATE_SEND_HEADER:
962 if (c->poll_entry->revents & (POLLERR | POLLHUP))
965 /* no need to write if no events */
966 if (!(c->poll_entry->revents & POLLOUT))
968 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
970 if (ff_neterrno() != AVERROR(EAGAIN) &&
971 ff_neterrno() != AVERROR(EINTR)) {
972 /* error : close connection */
973 av_freep(&c->pb_buffer);
977 c->buffer_ptr += len;
979 c->stream->bytes_served += len;
980 c->data_count += len;
981 if (c->buffer_ptr >= c->buffer_end) {
982 av_freep(&c->pb_buffer);
986 /* all the buffer was sent : synchronize to the incoming stream */
987 c->state = HTTPSTATE_SEND_DATA_HEADER;
988 c->buffer_ptr = c->buffer_end = c->buffer;
993 case HTTPSTATE_SEND_DATA:
994 case HTTPSTATE_SEND_DATA_HEADER:
995 case HTTPSTATE_SEND_DATA_TRAILER:
996 /* for packetized output, we consider we can always write (the
997 input streams sets the speed). It may be better to verify
998 that we do not rely too much on the kernel queues */
999 if (!c->is_packetized) {
1000 if (c->poll_entry->revents & (POLLERR | POLLHUP))
1003 /* no need to read if no events */
1004 if (!(c->poll_entry->revents & POLLOUT))
1007 if (http_send_data(c) < 0)
1009 /* close connection if trailer sent */
1010 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
1013 case HTTPSTATE_RECEIVE_DATA:
1014 /* no need to read if no events */
1015 if (c->poll_entry->revents & (POLLERR | POLLHUP))
1017 if (!(c->poll_entry->revents & POLLIN))
1019 if (http_receive_data(c) < 0)
1022 case HTTPSTATE_WAIT_FEED:
1023 /* no need to read if no events */
1024 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
1027 /* nothing to do, we'll be waken up by incoming feed packets */
1030 case RTSPSTATE_SEND_REPLY:
1031 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1032 av_freep(&c->pb_buffer);
1035 /* no need to write if no events */
1036 if (!(c->poll_entry->revents & POLLOUT))
1038 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
1040 if (ff_neterrno() != AVERROR(EAGAIN) &&
1041 ff_neterrno() != AVERROR(EINTR)) {
1042 /* error : close connection */
1043 av_freep(&c->pb_buffer);
1047 c->buffer_ptr += len;
1048 c->data_count += len;
1049 if (c->buffer_ptr >= c->buffer_end) {
1050 /* all the buffer was sent : wait for a new request */
1051 av_freep(&c->pb_buffer);
1052 start_wait_request(c, 1);
1056 case RTSPSTATE_SEND_PACKET:
1057 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1058 av_freep(&c->packet_buffer);
1061 /* no need to write if no events */
1062 if (!(c->poll_entry->revents & POLLOUT))
1064 len = send(c->fd, c->packet_buffer_ptr,
1065 c->packet_buffer_end - c->packet_buffer_ptr, 0);
1067 if (ff_neterrno() != AVERROR(EAGAIN) &&
1068 ff_neterrno() != AVERROR(EINTR)) {
1069 /* error : close connection */
1070 av_freep(&c->packet_buffer);
1074 c->packet_buffer_ptr += len;
1075 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
1076 /* all the buffer was sent : wait for a new request */
1077 av_freep(&c->packet_buffer);
1078 c->state = RTSPSTATE_WAIT_REQUEST;
1082 case HTTPSTATE_READY:
1091 static int extract_rates(char *rates, int ratelen, const char *request)
1095 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1096 if (av_strncasecmp(p, "Pragma:", 7) == 0) {
1097 const char *q = p + 7;
1099 while (*q && *q != '\n' && isspace(*q))
1102 if (av_strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1108 memset(rates, 0xff, ratelen);
1111 while (*q && *q != '\n' && *q != ':')
1114 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1118 if (stream_no < ratelen && stream_no >= 0)
1119 rates[stream_no] = rate_no;
1121 while (*q && *q != '\n' && !isspace(*q))
1128 p = strchr(p, '\n');
1138 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1141 int best_bitrate = 100000000;
1144 for (i = 0; i < feed->nb_streams; i++) {
1145 AVCodecContext *feed_codec = feed->streams[i]->codec;
1147 if (feed_codec->codec_id != codec->codec_id ||
1148 feed_codec->sample_rate != codec->sample_rate ||
1149 feed_codec->width != codec->width ||
1150 feed_codec->height != codec->height)
1153 /* Potential stream */
1155 /* We want the fastest stream less than bit_rate, or the slowest
1156 * faster than bit_rate
1159 if (feed_codec->bit_rate <= bit_rate) {
1160 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1161 best_bitrate = feed_codec->bit_rate;
1165 if (feed_codec->bit_rate < best_bitrate) {
1166 best_bitrate = feed_codec->bit_rate;
1175 static int modify_current_stream(HTTPContext *c, char *rates)
1178 FFStream *req = c->stream;
1179 int action_required = 0;
1181 /* Not much we can do for a feed */
1185 for (i = 0; i < req->nb_streams; i++) {
1186 AVCodecContext *codec = req->streams[i]->codec;
1190 c->switch_feed_streams[i] = req->feed_streams[i];
1193 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1196 /* Wants off or slow */
1197 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1199 /* This doesn't work well when it turns off the only stream! */
1200 c->switch_feed_streams[i] = -2;
1201 c->feed_streams[i] = -2;
1206 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1207 action_required = 1;
1210 return action_required;
1213 /* XXX: factorize in utils.c ? */
1214 /* XXX: take care with different space meaning */
1215 static void skip_spaces(const char **pp)
1219 while (*p == ' ' || *p == '\t')
1224 static void get_word(char *buf, int buf_size, const char **pp)
1232 while (!isspace(*p) && *p != '\0') {
1233 if ((q - buf) < buf_size - 1)
1242 static void get_arg(char *buf, int buf_size, const char **pp)
1249 while (isspace(*p)) p++;
1252 if (*p == '\"' || *p == '\'')
1264 if ((q - buf) < buf_size - 1)
1269 if (quote && *p == quote)
1274 static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_acl,
1275 const char *p, const char *filename, int line_num)
1281 get_arg(arg, sizeof(arg), &p);
1282 if (av_strcasecmp(arg, "allow") == 0)
1283 acl.action = IP_ALLOW;
1284 else if (av_strcasecmp(arg, "deny") == 0)
1285 acl.action = IP_DENY;
1287 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
1288 filename, line_num, arg);
1292 get_arg(arg, sizeof(arg), &p);
1294 if (resolve_host(&acl.first, arg) != 0) {
1295 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1296 filename, line_num, arg);
1299 acl.last = acl.first;
1301 get_arg(arg, sizeof(arg), &p);
1304 if (resolve_host(&acl.last, arg) != 0) {
1305 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1306 filename, line_num, arg);
1312 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
1313 IPAddressACL **naclp = 0;
1319 naclp = &stream->acl;
1325 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
1326 filename, line_num);
1332 naclp = &(*naclp)->next;
1340 static IPAddressACL* parse_dynamic_acl(FFStream *stream, HTTPContext *c)
1345 IPAddressACL *acl = NULL;
1349 f = fopen(stream->dynamic_acl, "r");
1351 perror(stream->dynamic_acl);
1355 acl = av_mallocz(sizeof(IPAddressACL));
1359 if (fgets(line, sizeof(line), f) == NULL)
1365 if (*p == '\0' || *p == '#')
1367 get_arg(cmd, sizeof(cmd), &p);
1369 if (!av_strcasecmp(cmd, "ACL"))
1370 parse_acl_row(NULL, NULL, acl, p, stream->dynamic_acl, line_num);
1377 static void free_acl_list(IPAddressACL *in_acl)
1379 IPAddressACL *pacl,*pacl2;
1389 static int validate_acl_list(IPAddressACL *in_acl, HTTPContext *c)
1391 enum IPAddressAction last_action = IP_DENY;
1393 struct in_addr *src = &c->from_addr.sin_addr;
1394 unsigned long src_addr = src->s_addr;
1396 for (acl = in_acl; acl; acl = acl->next) {
1397 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1398 return (acl->action == IP_ALLOW) ? 1 : 0;
1399 last_action = acl->action;
1402 /* Nothing matched, so return not the last action */
1403 return (last_action == IP_DENY) ? 1 : 0;
1406 static int validate_acl(FFStream *stream, HTTPContext *c)
1412 /* if stream->acl is null validate_acl_list will return 1 */
1413 ret = validate_acl_list(stream->acl, c);
1415 if (stream->dynamic_acl[0]) {
1416 acl = parse_dynamic_acl(stream, c);
1418 ret = validate_acl_list(acl, c);
1426 /* compute the real filename of a file by matching it without its
1427 extensions to all the stream filenames */
1428 static void compute_real_filename(char *filename, int max_size)
1435 /* compute filename by matching without the file extensions */
1436 av_strlcpy(file1, filename, sizeof(file1));
1437 p = strrchr(file1, '.');
1440 for(stream = first_stream; stream != NULL; stream = stream->next) {
1441 av_strlcpy(file2, stream->filename, sizeof(file2));
1442 p = strrchr(file2, '.');
1445 if (!strcmp(file1, file2)) {
1446 av_strlcpy(filename, stream->filename, max_size);
1461 /* parse http request and prepare header */
1462 static int http_parse_request(HTTPContext *c)
1465 enum RedirType redir_type;
1467 char info[1024], filename[1024];
1471 const char *mime_type;
1475 char *useragent = 0;
1478 get_word(cmd, sizeof(cmd), (const char **)&p);
1479 av_strlcpy(c->method, cmd, sizeof(c->method));
1481 if (!strcmp(cmd, "GET"))
1483 else if (!strcmp(cmd, "POST"))
1488 get_word(url, sizeof(url), (const char **)&p);
1489 av_strlcpy(c->url, url, sizeof(c->url));
1491 get_word(protocol, sizeof(protocol), (const char **)&p);
1492 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1495 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1498 http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
1500 /* find the filename and the optional info string in the request */
1501 p = strchr(url, '?');
1503 av_strlcpy(info, p, sizeof(info));
1508 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1510 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1511 if (av_strncasecmp(p, "User-Agent:", 11) == 0) {
1513 if (*useragent && *useragent != '\n' && isspace(*useragent))
1517 p = strchr(p, '\n');
1524 redir_type = REDIR_NONE;
1525 if (av_match_ext(filename, "asx")) {
1526 redir_type = REDIR_ASX;
1527 filename[strlen(filename)-1] = 'f';
1528 } else if (av_match_ext(filename, "asf") &&
1529 (!useragent || av_strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1530 /* if this isn't WMP or lookalike, return the redirector file */
1531 redir_type = REDIR_ASF;
1532 } else if (av_match_ext(filename, "rpm,ram")) {
1533 redir_type = REDIR_RAM;
1534 strcpy(filename + strlen(filename)-2, "m");
1535 } else if (av_match_ext(filename, "rtsp")) {
1536 redir_type = REDIR_RTSP;
1537 compute_real_filename(filename, sizeof(filename) - 1);
1538 } else if (av_match_ext(filename, "sdp")) {
1539 redir_type = REDIR_SDP;
1540 compute_real_filename(filename, sizeof(filename) - 1);
1543 // "redirect" / request to index.html
1544 if (!strlen(filename))
1545 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1547 stream = first_stream;
1548 while (stream != NULL) {
1549 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1551 stream = stream->next;
1553 if (stream == NULL) {
1554 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1555 http_log("File '%s' not found\n", url);
1560 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1561 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1563 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1564 c->http_error = 301;
1566 q += snprintf(q, c->buffer_size,
1567 "HTTP/1.0 301 Moved\r\n"
1569 "Content-type: text/html\r\n"
1571 "<html><head><title>Moved</title></head><body>\r\n"
1572 "You should be <a href=\"%s\">redirected</a>.\r\n"
1573 "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
1574 /* prepare output buffer */
1575 c->buffer_ptr = c->buffer;
1577 c->state = HTTPSTATE_SEND_HEADER;
1581 /* If this is WMP, get the rate information */
1582 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1583 if (modify_current_stream(c, ratebuf)) {
1584 for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
1585 if (c->switch_feed_streams[i] >= 0)
1586 c->switch_feed_streams[i] = -1;
1591 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1592 current_bandwidth += stream->bandwidth;
1594 /* If already streaming this feed, do not let start another feeder. */
1595 if (stream->feed_opened) {
1596 snprintf(msg, sizeof(msg), "This feed is already being received.");
1597 http_log("Feed '%s' already being received\n", stream->feed_filename);
1601 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1602 c->http_error = 503;
1604 q += snprintf(q, c->buffer_size,
1605 "HTTP/1.0 503 Server too busy\r\n"
1606 "Content-type: text/html\r\n"
1608 "<html><head><title>Too busy</title></head><body>\r\n"
1609 "<p>The server is too busy to serve your request at this time.</p>\r\n"
1610 "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
1611 "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
1612 "</body></html>\r\n", current_bandwidth, max_bandwidth);
1613 /* prepare output buffer */
1614 c->buffer_ptr = c->buffer;
1616 c->state = HTTPSTATE_SEND_HEADER;
1620 if (redir_type != REDIR_NONE) {
1623 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1624 if (av_strncasecmp(p, "Host:", 5) == 0) {
1628 p = strchr(p, '\n');
1639 while (isspace(*hostinfo))
1642 eoh = strchr(hostinfo, '\n');
1644 if (eoh[-1] == '\r')
1647 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1648 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1649 hostbuf[eoh - hostinfo] = 0;
1651 c->http_error = 200;
1653 switch(redir_type) {
1655 q += snprintf(q, c->buffer_size,
1656 "HTTP/1.0 200 ASX Follows\r\n"
1657 "Content-type: video/x-ms-asf\r\n"
1659 "<ASX Version=\"3\">\r\n"
1660 //"<!-- Autogenerated by ffserver -->\r\n"
1661 "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
1662 "</ASX>\r\n", hostbuf, filename, info);
1665 q += snprintf(q, c->buffer_size,
1666 "HTTP/1.0 200 RAM Follows\r\n"
1667 "Content-type: audio/x-pn-realaudio\r\n"
1669 "# Autogenerated by ffserver\r\n"
1670 "http://%s/%s%s\r\n", hostbuf, filename, info);
1673 q += snprintf(q, c->buffer_size,
1674 "HTTP/1.0 200 ASF Redirect follows\r\n"
1675 "Content-type: video/x-ms-asf\r\n"
1678 "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
1682 char hostname[256], *p;
1683 /* extract only hostname */
1684 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1685 p = strrchr(hostname, ':');
1688 q += snprintf(q, c->buffer_size,
1689 "HTTP/1.0 200 RTSP Redirect follows\r\n"
1690 /* XXX: incorrect mime type ? */
1691 "Content-type: application/x-rtsp\r\n"
1693 "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
1699 int sdp_data_size, len;
1700 struct sockaddr_in my_addr;
1702 q += snprintf(q, c->buffer_size,
1703 "HTTP/1.0 200 OK\r\n"
1704 "Content-type: application/sdp\r\n"
1707 len = sizeof(my_addr);
1708 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1710 /* XXX: should use a dynamic buffer */
1711 sdp_data_size = prepare_sdp_description(stream,
1714 if (sdp_data_size > 0) {
1715 memcpy(q, sdp_data, sdp_data_size);
1727 /* prepare output buffer */
1728 c->buffer_ptr = c->buffer;
1730 c->state = HTTPSTATE_SEND_HEADER;
1736 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1740 stream->conns_served++;
1742 /* XXX: add there authenticate and IP match */
1745 /* if post, it means a feed is being sent */
1746 if (!stream->is_feed) {
1747 /* However it might be a status report from WMP! Let us log the
1748 * data as it might come in handy one day. */
1752 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1753 if (av_strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1757 if (av_strncasecmp(p, "Pragma: client-id=", 18) == 0)
1758 client_id = strtol(p + 18, 0, 10);
1759 p = strchr(p, '\n');
1767 char *eol = strchr(logline, '\n');
1772 if (eol[-1] == '\r')
1774 http_log("%.*s\n", (int) (eol - logline), logline);
1775 c->suppress_log = 1;
1780 http_log("\nGot request:\n%s\n", c->buffer);
1783 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1786 /* Now we have to find the client_id */
1787 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1788 if (wmpc->wmp_client_id == client_id)
1792 if (wmpc && modify_current_stream(wmpc, ratebuf))
1793 wmpc->switch_pending = 1;
1796 snprintf(msg, sizeof(msg), "POST command not handled");
1800 if (http_start_receive_data(c) < 0) {
1801 snprintf(msg, sizeof(msg), "could not open feed");
1805 c->state = HTTPSTATE_RECEIVE_DATA;
1810 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1811 http_log("\nGot request:\n%s\n", c->buffer);
1814 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1817 /* open input stream */
1818 if (open_input_stream(c, info) < 0) {
1819 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1823 /* prepare http header */
1825 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1826 mime_type = c->stream->fmt->mime_type;
1828 mime_type = "application/x-octet-stream";
1829 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1831 /* for asf, we need extra headers */
1832 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1833 /* Need to allocate a client id */
1835 c->wmp_client_id = av_lfg_get(&random_state);
1837 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);
1839 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1840 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1842 /* prepare output buffer */
1844 c->buffer_ptr = c->buffer;
1846 c->state = HTTPSTATE_SEND_HEADER;
1849 c->http_error = 404;
1851 q += snprintf(q, c->buffer_size,
1852 "HTTP/1.0 404 Not Found\r\n"
1853 "Content-type: text/html\r\n"
1856 "<head><title>404 Not Found</title></head>\n"
1859 /* prepare output buffer */
1860 c->buffer_ptr = c->buffer;
1862 c->state = HTTPSTATE_SEND_HEADER;
1866 c->http_error = 200; /* horrible : we use this value to avoid
1867 going to the send data state */
1868 c->state = HTTPSTATE_SEND_HEADER;
1872 static void fmt_bytecount(AVIOContext *pb, int64_t count)
1874 static const char suffix[] = " kMGTP";
1877 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1879 avio_printf(pb, "%"PRId64"%c", count, *s);
1882 static void compute_status(HTTPContext *c)
1891 if (avio_open_dyn_buf(&pb) < 0) {
1892 /* XXX: return an error ? */
1893 c->buffer_ptr = c->buffer;
1894 c->buffer_end = c->buffer;
1898 avio_printf(pb, "HTTP/1.0 200 OK\r\n");
1899 avio_printf(pb, "Content-type: %s\r\n", "text/html");
1900 avio_printf(pb, "Pragma: no-cache\r\n");
1901 avio_printf(pb, "\r\n");
1903 avio_printf(pb, "<html><head><title>%s Status</title>\n", program_name);
1904 if (c->stream->feed_filename[0])
1905 avio_printf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1906 avio_printf(pb, "</head>\n<body>");
1907 avio_printf(pb, "<h1>%s Status</h1>\n", program_name);
1909 avio_printf(pb, "<h2>Available Streams</h2>\n");
1910 avio_printf(pb, "<table cellspacing=0 cellpadding=4>\n");
1911 avio_printf(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");
1912 stream = first_stream;
1913 while (stream != NULL) {
1914 char sfilename[1024];
1917 if (stream->feed != stream) {
1918 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1919 eosf = sfilename + strlen(sfilename);
1920 if (eosf - sfilename >= 4) {
1921 if (strcmp(eosf - 4, ".asf") == 0)
1922 strcpy(eosf - 4, ".asx");
1923 else if (strcmp(eosf - 3, ".rm") == 0)
1924 strcpy(eosf - 3, ".ram");
1925 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1926 /* generate a sample RTSP director if
1927 unicast. Generate an SDP redirector if
1929 eosf = strrchr(sfilename, '.');
1931 eosf = sfilename + strlen(sfilename);
1932 if (stream->is_multicast)
1933 strcpy(eosf, ".sdp");
1935 strcpy(eosf, ".rtsp");
1939 avio_printf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
1940 sfilename, stream->filename);
1941 avio_printf(pb, "<td align=right> %d <td align=right> ",
1942 stream->conns_served);
1943 fmt_bytecount(pb, stream->bytes_served);
1944 switch(stream->stream_type) {
1945 case STREAM_TYPE_LIVE: {
1946 int audio_bit_rate = 0;
1947 int video_bit_rate = 0;
1948 const char *audio_codec_name = "";
1949 const char *video_codec_name = "";
1950 const char *audio_codec_name_extra = "";
1951 const char *video_codec_name_extra = "";
1953 for(i=0;i<stream->nb_streams;i++) {
1954 AVStream *st = stream->streams[i];
1955 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1956 switch(st->codec->codec_type) {
1957 case AVMEDIA_TYPE_AUDIO:
1958 audio_bit_rate += st->codec->bit_rate;
1960 if (*audio_codec_name)
1961 audio_codec_name_extra = "...";
1962 audio_codec_name = codec->name;
1965 case AVMEDIA_TYPE_VIDEO:
1966 video_bit_rate += st->codec->bit_rate;
1968 if (*video_codec_name)
1969 video_codec_name_extra = "...";
1970 video_codec_name = codec->name;
1973 case AVMEDIA_TYPE_DATA:
1974 video_bit_rate += st->codec->bit_rate;
1980 avio_printf(pb, "<td align=center> %s <td align=right> %d <td align=right> %d <td> %s %s <td align=right> %d <td> %s %s",
1983 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1984 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1986 avio_printf(pb, "<td>%s", stream->feed->filename);
1988 avio_printf(pb, "<td>%s", stream->feed_filename);
1989 avio_printf(pb, "\n");
1993 avio_printf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
1997 stream = stream->next;
1999 avio_printf(pb, "</table>\n");
2001 stream = first_stream;
2002 while (stream != NULL) {
2003 if (stream->feed == stream) {
2004 avio_printf(pb, "<h2>Feed %s</h2>", stream->filename);
2006 avio_printf(pb, "Running as pid %d.\n", stream->pid);
2008 #if defined(linux) && !defined(CONFIG_NOCUTILS)
2013 /* This is somewhat linux specific I guess */
2014 snprintf(ps_cmd, sizeof(ps_cmd),
2015 "ps -o \"%%cpu,cputime\" --no-headers %d",
2018 pid_stat = popen(ps_cmd, "r");
2023 if (fscanf(pid_stat, "%10s %64s", cpuperc,
2025 avio_printf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
2033 avio_printf(pb, "<p>");
2035 avio_printf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
2037 for (i = 0; i < stream->nb_streams; i++) {
2038 AVStream *st = stream->streams[i];
2039 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
2040 const char *type = "unknown";
2041 char parameters[64];
2045 switch(st->codec->codec_type) {
2046 case AVMEDIA_TYPE_AUDIO:
2048 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
2050 case AVMEDIA_TYPE_VIDEO:
2052 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
2053 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
2058 avio_printf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
2059 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
2061 avio_printf(pb, "</table>\n");
2064 stream = stream->next;
2067 /* connection status */
2068 avio_printf(pb, "<h2>Connection Status</h2>\n");
2070 avio_printf(pb, "Number of connections: %d / %d<br>\n",
2071 nb_connections, nb_max_connections);
2073 avio_printf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
2074 current_bandwidth, max_bandwidth);
2076 avio_printf(pb, "<table>\n");
2077 avio_printf(pb, "<tr><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
2078 c1 = first_http_ctx;
2080 while (c1 != NULL) {
2086 for (j = 0; j < c1->stream->nb_streams; j++) {
2087 if (!c1->stream->feed)
2088 bitrate += c1->stream->streams[j]->codec->bit_rate;
2089 else if (c1->feed_streams[j] >= 0)
2090 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
2095 p = inet_ntoa(c1->from_addr.sin_addr);
2096 avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
2098 c1->stream ? c1->stream->filename : "",
2099 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
2102 http_state[c1->state]);
2103 fmt_bytecount(pb, bitrate);
2104 avio_printf(pb, "<td align=right>");
2105 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
2106 avio_printf(pb, "<td align=right>");
2107 fmt_bytecount(pb, c1->data_count);
2108 avio_printf(pb, "\n");
2111 avio_printf(pb, "</table>\n");
2116 avio_printf(pb, "<hr size=1 noshade>Generated at %s", p);
2117 avio_printf(pb, "</body>\n</html>\n");
2119 len = avio_close_dyn_buf(pb, &c->pb_buffer);
2120 c->buffer_ptr = c->pb_buffer;
2121 c->buffer_end = c->pb_buffer + len;
2124 static int open_input_stream(HTTPContext *c, const char *info)
2127 char input_filename[1024];
2128 AVFormatContext *s = NULL;
2129 int buf_size, i, ret;
2132 /* find file name */
2133 if (c->stream->feed) {
2134 strcpy(input_filename, c->stream->feed->feed_filename);
2135 buf_size = FFM_PACKET_SIZE;
2136 /* compute position (absolute time) */
2137 if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
2138 if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0)
2140 } else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
2141 int prebuffer = strtol(buf, 0, 10);
2142 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
2144 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
2146 strcpy(input_filename, c->stream->feed_filename);
2148 /* compute position (relative time) */
2149 if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
2150 if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0)
2155 if (input_filename[0] == '\0')
2159 if ((ret = avformat_open_input(&s, input_filename, c->stream->ifmt, &c->stream->in_opts)) < 0) {
2160 http_log("could not open %s: %d\n", input_filename, ret);
2164 /* set buffer size */
2165 if (buf_size > 0) ffio_set_buf_size(s->pb, buf_size);
2167 s->flags |= AVFMT_FLAG_GENPTS;
2169 if (strcmp(s->iformat->name, "ffm") && avformat_find_stream_info(c->fmt_in, NULL) < 0) {
2170 http_log("Could not find stream info '%s'\n", input_filename);
2171 avformat_close_input(&s);
2175 /* choose stream as clock source (we favorize video stream if
2176 present) for packet sending */
2177 c->pts_stream_index = 0;
2178 for(i=0;i<c->stream->nb_streams;i++) {
2179 if (c->pts_stream_index == 0 &&
2180 c->stream->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2181 c->pts_stream_index = i;
2185 if (c->fmt_in->iformat->read_seek)
2186 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
2187 /* set the start time (needed for maxtime and RTP packet timing) */
2188 c->start_time = cur_time;
2189 c->first_pts = AV_NOPTS_VALUE;
2193 /* return the server clock (in us) */
2194 static int64_t get_server_clock(HTTPContext *c)
2196 /* compute current pts value from system time */
2197 return (cur_time - c->start_time) * 1000;
2200 /* return the estimated time at which the current packet must be sent
2202 static int64_t get_packet_send_clock(HTTPContext *c)
2204 int bytes_left, bytes_sent, frame_bytes;
2206 frame_bytes = c->cur_frame_bytes;
2207 if (frame_bytes <= 0)
2210 bytes_left = c->buffer_end - c->buffer_ptr;
2211 bytes_sent = frame_bytes - bytes_left;
2212 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2217 static int http_prepare_data(HTTPContext *c)
2220 AVFormatContext *ctx;
2222 av_freep(&c->pb_buffer);
2224 case HTTPSTATE_SEND_DATA_HEADER:
2225 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2226 av_dict_set(&c->fmt_ctx.metadata, "author" , c->stream->author , 0);
2227 av_dict_set(&c->fmt_ctx.metadata, "comment" , c->stream->comment , 0);
2228 av_dict_set(&c->fmt_ctx.metadata, "copyright", c->stream->copyright, 0);
2229 av_dict_set(&c->fmt_ctx.metadata, "title" , c->stream->title , 0);
2231 c->fmt_ctx.streams = av_mallocz(sizeof(AVStream *) * c->stream->nb_streams);
2233 for(i=0;i<c->stream->nb_streams;i++) {
2235 c->fmt_ctx.streams[i] = av_mallocz(sizeof(AVStream));
2236 /* if file or feed, then just take streams from FFStream struct */
2237 if (!c->stream->feed ||
2238 c->stream->feed == c->stream)
2239 src = c->stream->streams[i];
2241 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2243 *(c->fmt_ctx.streams[i]) = *src;
2244 c->fmt_ctx.streams[i]->priv_data = 0;
2245 c->fmt_ctx.streams[i]->codec->frame_number = 0; /* XXX: should be done in
2246 AVStream, not in codec */
2248 /* set output format parameters */
2249 c->fmt_ctx.oformat = c->stream->fmt;
2250 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2252 c->got_key_frame = 0;
2254 /* prepare header and save header data in a stream */
2255 if (avio_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2256 /* XXX: potential leak */
2259 c->fmt_ctx.pb->seekable = 0;
2262 * HACK to avoid mpeg ps muxer to spit many underflow errors
2263 * Default value from FFmpeg
2264 * Try to set it use configuration option
2266 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2268 if (avformat_write_header(&c->fmt_ctx, NULL) < 0) {
2269 http_log("Error writing output header\n");
2272 av_dict_free(&c->fmt_ctx.metadata);
2274 len = avio_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2275 c->buffer_ptr = c->pb_buffer;
2276 c->buffer_end = c->pb_buffer + len;
2278 c->state = HTTPSTATE_SEND_DATA;
2279 c->last_packet_sent = 0;
2281 case HTTPSTATE_SEND_DATA:
2282 /* find a new packet */
2283 /* read a packet from the input stream */
2284 if (c->stream->feed)
2285 ffm_set_write_index(c->fmt_in,
2286 c->stream->feed->feed_write_index,
2287 c->stream->feed->feed_size);
2289 if (c->stream->max_time &&
2290 c->stream->max_time + c->start_time - cur_time < 0)
2291 /* We have timed out */
2292 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2296 ret = av_read_frame(c->fmt_in, &pkt);
2298 if (c->stream->feed) {
2299 /* if coming from feed, it means we reached the end of the
2300 ffm file, so must wait for more data */
2301 c->state = HTTPSTATE_WAIT_FEED;
2302 return 1; /* state changed */
2303 } else if (ret == AVERROR(EAGAIN)) {
2304 /* input not ready, come back later */
2307 if (c->stream->loop) {
2308 avformat_close_input(&c->fmt_in);
2309 if (open_input_stream(c, "") < 0)
2314 /* must send trailer now because eof or error */
2315 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2319 int source_index = pkt.stream_index;
2320 /* update first pts if needed */
2321 if (c->first_pts == AV_NOPTS_VALUE) {
2322 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2323 c->start_time = cur_time;
2325 /* send it to the appropriate stream */
2326 if (c->stream->feed) {
2327 /* if coming from a feed, select the right stream */
2328 if (c->switch_pending) {
2329 c->switch_pending = 0;
2330 for(i=0;i<c->stream->nb_streams;i++) {
2331 if (c->switch_feed_streams[i] == pkt.stream_index)
2332 if (pkt.flags & AV_PKT_FLAG_KEY)
2333 c->switch_feed_streams[i] = -1;
2334 if (c->switch_feed_streams[i] >= 0)
2335 c->switch_pending = 1;
2338 for(i=0;i<c->stream->nb_streams;i++) {
2339 if (c->stream->feed_streams[i] == pkt.stream_index) {
2340 AVStream *st = c->fmt_in->streams[source_index];
2341 pkt.stream_index = i;
2342 if (pkt.flags & AV_PKT_FLAG_KEY &&
2343 (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2344 c->stream->nb_streams == 1))
2345 c->got_key_frame = 1;
2346 if (!c->stream->send_on_key || c->got_key_frame)
2351 AVCodecContext *codec;
2352 AVStream *ist, *ost;
2354 ist = c->fmt_in->streams[source_index];
2355 /* specific handling for RTP: we use several
2356 output stream (one for each RTP
2357 connection). XXX: need more abstract handling */
2358 if (c->is_packetized) {
2359 /* compute send time and duration */
2360 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2361 c->cur_pts -= c->first_pts;
2362 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2363 /* find RTP context */
2364 c->packet_stream_index = pkt.stream_index;
2365 ctx = c->rtp_ctx[c->packet_stream_index];
2367 av_free_packet(&pkt);
2370 codec = ctx->streams[0]->codec;
2371 /* only one stream per RTP connection */
2372 pkt.stream_index = 0;
2376 codec = ctx->streams[pkt.stream_index]->codec;
2379 if (c->is_packetized) {
2380 int max_packet_size;
2381 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
2382 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2384 max_packet_size = c->rtp_handles[c->packet_stream_index]->max_packet_size;
2385 ret = ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2387 ret = avio_open_dyn_buf(&ctx->pb);
2390 /* XXX: potential leak */
2393 ost = ctx->streams[pkt.stream_index];
2395 ctx->pb->seekable = 0;
2396 if (pkt.dts != AV_NOPTS_VALUE)
2397 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2398 if (pkt.pts != AV_NOPTS_VALUE)
2399 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2400 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2401 if (av_write_frame(ctx, &pkt) < 0) {
2402 http_log("Error writing frame to output\n");
2403 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2406 len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
2407 c->cur_frame_bytes = len;
2408 c->buffer_ptr = c->pb_buffer;
2409 c->buffer_end = c->pb_buffer + len;
2411 codec->frame_number++;
2413 av_free_packet(&pkt);
2417 av_free_packet(&pkt);
2422 case HTTPSTATE_SEND_DATA_TRAILER:
2423 /* last packet test ? */
2424 if (c->last_packet_sent || c->is_packetized)
2427 /* prepare header */
2428 if (avio_open_dyn_buf(&ctx->pb) < 0) {
2429 /* XXX: potential leak */
2432 c->fmt_ctx.pb->seekable = 0;
2433 av_write_trailer(ctx);
2434 len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
2435 c->buffer_ptr = c->pb_buffer;
2436 c->buffer_end = c->pb_buffer + len;
2438 c->last_packet_sent = 1;
2444 /* should convert the format at the same time */
2445 /* send data starting at c->buffer_ptr to the output connection
2446 (either UDP or TCP connection) */
2447 static int http_send_data(HTTPContext *c)
2452 if (c->buffer_ptr >= c->buffer_end) {
2453 ret = http_prepare_data(c);
2457 /* state change requested */
2460 if (c->is_packetized) {
2461 /* RTP data output */
2462 len = c->buffer_end - c->buffer_ptr;
2464 /* fail safe - should never happen */
2466 c->buffer_ptr = c->buffer_end;
2469 len = (c->buffer_ptr[0] << 24) |
2470 (c->buffer_ptr[1] << 16) |
2471 (c->buffer_ptr[2] << 8) |
2473 if (len > (c->buffer_end - c->buffer_ptr))
2475 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2476 /* nothing to send yet: we can wait */
2480 c->data_count += len;
2481 update_datarate(&c->datarate, c->data_count);
2483 c->stream->bytes_served += len;
2485 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
2486 /* RTP packets are sent inside the RTSP TCP connection */
2488 int interleaved_index, size;
2490 HTTPContext *rtsp_c;
2493 /* if no RTSP connection left, error */
2496 /* if already sending something, then wait. */
2497 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2499 if (avio_open_dyn_buf(&pb) < 0)
2501 interleaved_index = c->packet_stream_index * 2;
2502 /* RTCP packets are sent at odd indexes */
2503 if (c->buffer_ptr[1] == 200)
2504 interleaved_index++;
2505 /* write RTSP TCP header */
2507 header[1] = interleaved_index;
2508 header[2] = len >> 8;
2510 avio_write(pb, header, 4);
2511 /* write RTP packet data */
2513 avio_write(pb, c->buffer_ptr, len);
2514 size = avio_close_dyn_buf(pb, &c->packet_buffer);
2515 /* prepare asynchronous TCP sending */
2516 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2517 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2518 c->buffer_ptr += len;
2520 /* send everything we can NOW */
2521 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2522 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2524 rtsp_c->packet_buffer_ptr += len;
2525 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2526 /* if we could not send all the data, we will
2527 send it later, so a new state is needed to
2528 "lock" the RTSP TCP connection */
2529 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2532 /* all data has been sent */
2533 av_freep(&c->packet_buffer);
2535 /* send RTP packet directly in UDP */
2537 ffurl_write(c->rtp_handles[c->packet_stream_index],
2538 c->buffer_ptr, len);
2539 c->buffer_ptr += len;
2540 /* here we continue as we can send several packets per 10 ms slot */
2543 /* TCP data output */
2544 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2546 if (ff_neterrno() != AVERROR(EAGAIN) &&
2547 ff_neterrno() != AVERROR(EINTR))
2548 /* error : close connection */
2553 c->buffer_ptr += len;
2555 c->data_count += len;
2556 update_datarate(&c->datarate, c->data_count);
2558 c->stream->bytes_served += len;
2566 static int http_start_receive_data(HTTPContext *c)
2570 if (c->stream->feed_opened)
2573 /* Don't permit writing to this one */
2574 if (c->stream->readonly)
2578 fd = open(c->stream->feed_filename, O_RDWR);
2580 http_log("Error opening feeder file: %s\n", strerror(errno));
2585 if (c->stream->truncate) {
2586 /* truncate feed file */
2587 ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
2588 ftruncate(c->feed_fd, FFM_PACKET_SIZE);
2589 http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
2591 if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
2592 http_log("Error reading write index from feed file: %s\n", strerror(errno));
2597 c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
2598 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2599 lseek(fd, 0, SEEK_SET);
2601 /* init buffer input */
2602 c->buffer_ptr = c->buffer;
2603 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2604 c->stream->feed_opened = 1;
2605 c->chunked_encoding = !!av_stristr(c->buffer, "Transfer-Encoding: chunked");
2609 static int http_receive_data(HTTPContext *c)
2612 int len, loop_run = 0;
2614 while (c->chunked_encoding && !c->chunk_size &&
2615 c->buffer_end > c->buffer_ptr) {
2616 /* read chunk header, if present */
2617 len = recv(c->fd, c->buffer_ptr, 1, 0);
2620 if (ff_neterrno() != AVERROR(EAGAIN) &&
2621 ff_neterrno() != AVERROR(EINTR))
2622 /* error : close connection */
2625 } else if (len == 0) {
2626 /* end of connection : close it */
2628 } else if (c->buffer_ptr - c->buffer >= 2 &&
2629 !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
2630 c->chunk_size = strtol(c->buffer, 0, 16);
2631 if (c->chunk_size == 0) // end of stream
2633 c->buffer_ptr = c->buffer;
2635 } else if (++loop_run > 10) {
2636 /* no chunk header, abort */
2643 if (c->buffer_end > c->buffer_ptr) {
2644 len = recv(c->fd, c->buffer_ptr,
2645 FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);
2647 if (ff_neterrno() != AVERROR(EAGAIN) &&
2648 ff_neterrno() != AVERROR(EINTR))
2649 /* error : close connection */
2651 } else if (len == 0)
2652 /* end of connection : close it */
2655 c->chunk_size -= len;
2656 c->buffer_ptr += len;
2657 c->data_count += len;
2658 update_datarate(&c->datarate, c->data_count);
2662 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2663 if (c->buffer[0] != 'f' ||
2664 c->buffer[1] != 'm') {
2665 http_log("Feed stream has become desynchronized -- disconnecting\n");
2670 if (c->buffer_ptr >= c->buffer_end) {
2671 FFStream *feed = c->stream;
2672 /* a packet has been received : write it in the store, except
2674 if (c->data_count > FFM_PACKET_SIZE) {
2676 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2677 /* XXX: use llseek or url_seek */
2678 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2679 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2680 http_log("Error writing to feed file: %s\n", strerror(errno));
2684 feed->feed_write_index += FFM_PACKET_SIZE;
2685 /* update file size */
2686 if (feed->feed_write_index > c->stream->feed_size)
2687 feed->feed_size = feed->feed_write_index;
2689 /* handle wrap around if max file size reached */
2690 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2691 feed->feed_write_index = FFM_PACKET_SIZE;
2694 if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
2695 http_log("Error writing index to feed file: %s\n", strerror(errno));
2699 /* wake up any waiting connections */
2700 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2701 if (c1->state == HTTPSTATE_WAIT_FEED &&
2702 c1->stream->feed == c->stream->feed)
2703 c1->state = HTTPSTATE_SEND_DATA;
2706 /* We have a header in our hands that contains useful data */
2707 AVFormatContext *s = avformat_alloc_context();
2709 AVInputFormat *fmt_in;
2715 /* use feed output format name to find corresponding input format */
2716 fmt_in = av_find_input_format(feed->fmt->name);
2720 pb = avio_alloc_context(c->buffer, c->buffer_end - c->buffer,
2721 0, NULL, NULL, NULL, NULL);
2725 if (avformat_open_input(&s, c->stream->feed_filename, fmt_in, NULL) < 0) {
2730 /* Now we have the actual streams */
2731 if (s->nb_streams != feed->nb_streams) {
2732 avformat_close_input(&s);
2734 http_log("Feed '%s' stream number does not match registered feed\n",
2735 c->stream->feed_filename);
2739 for (i = 0; i < s->nb_streams; i++) {
2740 AVStream *fst = feed->streams[i];
2741 AVStream *st = s->streams[i];
2742 avcodec_copy_context(fst->codec, st->codec);
2745 avformat_close_input(&s);
2748 c->buffer_ptr = c->buffer;
2753 c->stream->feed_opened = 0;
2755 /* wake up any waiting connections to stop waiting for feed */
2756 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2757 if (c1->state == HTTPSTATE_WAIT_FEED &&
2758 c1->stream->feed == c->stream->feed)
2759 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2764 /********************************************************************/
2767 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2774 switch(error_number) {
2775 case RTSP_STATUS_OK:
2778 case RTSP_STATUS_METHOD:
2779 str = "Method Not Allowed";
2781 case RTSP_STATUS_BANDWIDTH:
2782 str = "Not Enough Bandwidth";
2784 case RTSP_STATUS_SESSION:
2785 str = "Session Not Found";
2787 case RTSP_STATUS_STATE:
2788 str = "Method Not Valid in This State";
2790 case RTSP_STATUS_AGGREGATE:
2791 str = "Aggregate operation not allowed";
2793 case RTSP_STATUS_ONLY_AGGREGATE:
2794 str = "Only aggregate operation allowed";
2796 case RTSP_STATUS_TRANSPORT:
2797 str = "Unsupported transport";
2799 case RTSP_STATUS_INTERNAL:
2800 str = "Internal Server Error";
2802 case RTSP_STATUS_SERVICE:
2803 str = "Service Unavailable";
2805 case RTSP_STATUS_VERSION:
2806 str = "RTSP Version not supported";
2809 str = "Unknown Error";
2813 avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2814 avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
2816 /* output GMT time */
2819 strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
2820 avio_printf(c->pb, "Date: %s GMT\r\n", buf2);
2823 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2825 rtsp_reply_header(c, error_number);
2826 avio_printf(c->pb, "\r\n");
2829 static int rtsp_parse_request(HTTPContext *c)
2831 const char *p, *p1, *p2;
2837 RTSPMessageHeader header1 = { 0 }, *header = &header1;
2839 c->buffer_ptr[0] = '\0';
2842 get_word(cmd, sizeof(cmd), &p);
2843 get_word(url, sizeof(url), &p);
2844 get_word(protocol, sizeof(protocol), &p);
2846 av_strlcpy(c->method, cmd, sizeof(c->method));
2847 av_strlcpy(c->url, url, sizeof(c->url));
2848 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2850 if (avio_open_dyn_buf(&c->pb) < 0) {
2851 /* XXX: cannot do more */
2852 c->pb = NULL; /* safety */
2856 /* check version name */
2857 if (strcmp(protocol, "RTSP/1.0") != 0) {
2858 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2862 /* parse each header line */
2863 /* skip to next line */
2864 while (*p != '\n' && *p != '\0')
2868 while (*p != '\0') {
2869 p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
2873 if (p2 > p && p2[-1] == '\r')
2875 /* skip empty line */
2879 if (len > sizeof(line) - 1)
2880 len = sizeof(line) - 1;
2881 memcpy(line, p, len);
2883 ff_rtsp_parse_line(header, line, NULL, NULL);
2887 /* handle sequence number */
2888 c->seq = header->seq;
2890 if (!strcmp(cmd, "DESCRIBE"))
2891 rtsp_cmd_describe(c, url);
2892 else if (!strcmp(cmd, "OPTIONS"))
2893 rtsp_cmd_options(c, url);
2894 else if (!strcmp(cmd, "SETUP"))
2895 rtsp_cmd_setup(c, url, header);
2896 else if (!strcmp(cmd, "PLAY"))
2897 rtsp_cmd_play(c, url, header);
2898 else if (!strcmp(cmd, "PAUSE"))
2899 rtsp_cmd_pause(c, url, header);
2900 else if (!strcmp(cmd, "TEARDOWN"))
2901 rtsp_cmd_teardown(c, url, header);
2903 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2906 len = avio_close_dyn_buf(c->pb, &c->pb_buffer);
2907 c->pb = NULL; /* safety */
2909 /* XXX: cannot do more */
2912 c->buffer_ptr = c->pb_buffer;
2913 c->buffer_end = c->pb_buffer + len;
2914 c->state = RTSPSTATE_SEND_REPLY;
2918 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2919 struct in_addr my_ip)
2921 AVFormatContext *avc;
2922 AVStream *avs = NULL;
2925 avc = avformat_alloc_context();
2929 av_dict_set(&avc->metadata, "title",
2930 stream->title[0] ? stream->title : "No Title", 0);
2931 avc->nb_streams = stream->nb_streams;
2932 if (stream->is_multicast) {
2933 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2934 inet_ntoa(stream->multicast_ip),
2935 stream->multicast_port, stream->multicast_ttl);
2937 snprintf(avc->filename, 1024, "rtp://0.0.0.0");
2940 if (avc->nb_streams >= INT_MAX/sizeof(*avc->streams) ||
2941 !(avc->streams = av_malloc(avc->nb_streams * sizeof(*avc->streams))))
2943 if (avc->nb_streams >= INT_MAX/sizeof(*avs) ||
2944 !(avs = av_malloc(avc->nb_streams * sizeof(*avs))))
2947 for(i = 0; i < stream->nb_streams; i++) {
2948 avc->streams[i] = &avs[i];
2949 avc->streams[i]->codec = stream->streams[i]->codec;
2951 *pbuffer = av_mallocz(2048);
2952 av_sdp_create(&avc, 1, *pbuffer, 2048);
2955 av_free(avc->streams);
2956 av_dict_free(&avc->metadata);
2960 return strlen(*pbuffer);
2963 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2965 // rtsp_reply_header(c, RTSP_STATUS_OK);
2966 avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2967 avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
2968 avio_printf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2969 avio_printf(c->pb, "\r\n");
2972 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2978 int content_length, len;
2979 struct sockaddr_in my_addr;
2981 /* find which url is asked */
2982 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2987 for(stream = first_stream; stream != NULL; stream = stream->next) {
2988 if (!stream->is_feed &&
2989 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2990 !strcmp(path, stream->filename)) {
2994 /* no stream found */
2995 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
2999 /* prepare the media description in sdp format */
3001 /* get the host IP */
3002 len = sizeof(my_addr);
3003 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
3004 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
3005 if (content_length < 0) {
3006 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3009 rtsp_reply_header(c, RTSP_STATUS_OK);
3010 avio_printf(c->pb, "Content-Base: %s/\r\n", url);
3011 avio_printf(c->pb, "Content-Type: application/sdp\r\n");
3012 avio_printf(c->pb, "Content-Length: %d\r\n", content_length);
3013 avio_printf(c->pb, "\r\n");
3014 avio_write(c->pb, content, content_length);
3018 static HTTPContext *find_rtp_session(const char *session_id)
3022 if (session_id[0] == '\0')
3025 for(c = first_http_ctx; c != NULL; c = c->next) {
3026 if (!strcmp(c->session_id, session_id))
3032 static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
3034 RTSPTransportField *th;
3037 for(i=0;i<h->nb_transports;i++) {
3038 th = &h->transports[i];
3039 if (th->lower_transport == lower_transport)
3045 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
3046 RTSPMessageHeader *h)
3049 int stream_index, rtp_port, rtcp_port;
3054 RTSPTransportField *th;
3055 struct sockaddr_in dest_addr;
3056 RTSPActionServerSetup setup;
3058 /* find which url is asked */
3059 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3064 /* now check each stream */
3065 for(stream = first_stream; stream != NULL; stream = stream->next) {
3066 if (!stream->is_feed &&
3067 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3068 /* accept aggregate filenames only if single stream */
3069 if (!strcmp(path, stream->filename)) {
3070 if (stream->nb_streams != 1) {
3071 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
3078 for(stream_index = 0; stream_index < stream->nb_streams;
3080 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3081 stream->filename, stream_index);
3082 if (!strcmp(path, buf))
3087 /* no stream found */
3088 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
3092 /* generate session id if needed */
3093 if (h->session_id[0] == '\0')
3094 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
3095 av_lfg_get(&random_state), av_lfg_get(&random_state));
3097 /* find rtp session, and create it if none found */
3098 rtp_c = find_rtp_session(h->session_id);
3100 /* always prefer UDP */
3101 th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
3103 th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
3105 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3110 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
3111 th->lower_transport);
3113 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
3117 /* open input stream */
3118 if (open_input_stream(rtp_c, "") < 0) {
3119 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3124 /* test if stream is OK (test needed because several SETUP needs
3125 to be done for a given file) */
3126 if (rtp_c->stream != stream) {
3127 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
3131 /* test if stream is already set up */
3132 if (rtp_c->rtp_ctx[stream_index]) {
3133 rtsp_reply_error(c, RTSP_STATUS_STATE);
3137 /* check transport */
3138 th = find_transport(h, rtp_c->rtp_protocol);
3139 if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
3140 th->client_port_min <= 0)) {
3141 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3145 /* setup default options */
3146 setup.transport_option[0] = '\0';
3147 dest_addr = rtp_c->from_addr;
3148 dest_addr.sin_port = htons(th->client_port_min);
3151 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
3152 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3156 /* now everything is OK, so we can send the connection parameters */
3157 rtsp_reply_header(c, RTSP_STATUS_OK);
3159 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3161 switch(rtp_c->rtp_protocol) {
3162 case RTSP_LOWER_TRANSPORT_UDP:
3163 rtp_port = ff_rtp_get_local_rtp_port(rtp_c->rtp_handles[stream_index]);
3164 rtcp_port = ff_rtp_get_local_rtcp_port(rtp_c->rtp_handles[stream_index]);
3165 avio_printf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
3166 "client_port=%d-%d;server_port=%d-%d",
3167 th->client_port_min, th->client_port_max,
3168 rtp_port, rtcp_port);
3170 case RTSP_LOWER_TRANSPORT_TCP:
3171 avio_printf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
3172 stream_index * 2, stream_index * 2 + 1);
3177 if (setup.transport_option[0] != '\0')
3178 avio_printf(c->pb, ";%s", setup.transport_option);
3179 avio_printf(c->pb, "\r\n");
3182 avio_printf(c->pb, "\r\n");
3186 /* find an rtp connection by using the session ID. Check consistency
3188 static HTTPContext *find_rtp_session_with_url(const char *url,
3189 const char *session_id)
3197 rtp_c = find_rtp_session(session_id);
3201 /* find which url is asked */
3202 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3206 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
3207 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
3208 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3209 rtp_c->stream->filename, s);
3210 if(!strncmp(path, buf, sizeof(buf))) {
3211 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
3216 if (len > 0 && path[len - 1] == '/' &&
3217 !strncmp(path, rtp_c->stream->filename, len - 1))
3222 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3226 rtp_c = find_rtp_session_with_url(url, h->session_id);
3228 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3232 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3233 rtp_c->state != HTTPSTATE_WAIT_FEED &&
3234 rtp_c->state != HTTPSTATE_READY) {
3235 rtsp_reply_error(c, RTSP_STATUS_STATE);
3239 rtp_c->state = HTTPSTATE_SEND_DATA;
3241 /* now everything is OK, so we can send the connection parameters */
3242 rtsp_reply_header(c, RTSP_STATUS_OK);
3244 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3245 avio_printf(c->pb, "\r\n");
3248 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3252 rtp_c = find_rtp_session_with_url(url, h->session_id);
3254 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3258 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3259 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3260 rtsp_reply_error(c, RTSP_STATUS_STATE);
3264 rtp_c->state = HTTPSTATE_READY;
3265 rtp_c->first_pts = AV_NOPTS_VALUE;
3266 /* now everything is OK, so we can send the connection parameters */
3267 rtsp_reply_header(c, RTSP_STATUS_OK);
3269 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3270 avio_printf(c->pb, "\r\n");
3273 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3277 rtp_c = find_rtp_session_with_url(url, h->session_id);
3279 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3283 /* now everything is OK, so we can send the connection parameters */
3284 rtsp_reply_header(c, RTSP_STATUS_OK);
3286 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3287 avio_printf(c->pb, "\r\n");
3289 /* abort the session */
3290 close_connection(rtp_c);
3294 /********************************************************************/
3297 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3298 FFStream *stream, const char *session_id,
3299 enum RTSPLowerTransport rtp_protocol)
3301 HTTPContext *c = NULL;
3302 const char *proto_str;
3304 /* XXX: should output a warning page when coming
3305 close to the connection limit */
3306 if (nb_connections >= nb_max_connections)
3309 /* add a new connection */
3310 c = av_mallocz(sizeof(HTTPContext));
3315 c->poll_entry = NULL;
3316 c->from_addr = *from_addr;
3317 c->buffer_size = IOBUFFER_INIT_SIZE;
3318 c->buffer = av_malloc(c->buffer_size);
3323 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3324 c->state = HTTPSTATE_READY;
3325 c->is_packetized = 1;
3326 c->rtp_protocol = rtp_protocol;
3328 /* protocol is shown in statistics */
3329 switch(c->rtp_protocol) {
3330 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3331 proto_str = "MCAST";
3333 case RTSP_LOWER_TRANSPORT_UDP:
3336 case RTSP_LOWER_TRANSPORT_TCP:
3343 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3344 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3346 current_bandwidth += stream->bandwidth;
3348 c->next = first_http_ctx;
3360 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3361 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3363 static int rtp_new_av_stream(HTTPContext *c,
3364 int stream_index, struct sockaddr_in *dest_addr,
3365 HTTPContext *rtsp_c)
3367 AVFormatContext *ctx;
3370 URLContext *h = NULL;
3372 int max_packet_size;
3374 /* now we can open the relevant output stream */
3375 ctx = avformat_alloc_context();
3378 ctx->oformat = av_guess_format("rtp", NULL, NULL);
3380 st = av_mallocz(sizeof(AVStream));
3383 ctx->nb_streams = 1;
3384 ctx->streams = av_mallocz(sizeof(AVStream *) * ctx->nb_streams);
3387 ctx->streams[0] = st;
3389 if (!c->stream->feed ||
3390 c->stream->feed == c->stream)
3391 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3394 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3396 st->priv_data = NULL;
3398 /* build destination RTP address */
3399 ipaddr = inet_ntoa(dest_addr->sin_addr);
3401 switch(c->rtp_protocol) {
3402 case RTSP_LOWER_TRANSPORT_UDP:
3403 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3406 /* XXX: also pass as parameter to function ? */
3407 if (c->stream->is_multicast) {
3409 ttl = c->stream->multicast_ttl;
3412 snprintf(ctx->filename, sizeof(ctx->filename),
3413 "rtp://%s:%d?multicast=1&ttl=%d",
3414 ipaddr, ntohs(dest_addr->sin_port), ttl);
3416 snprintf(ctx->filename, sizeof(ctx->filename),
3417 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3420 if (ffurl_open(&h, ctx->filename, AVIO_FLAG_WRITE, NULL, NULL) < 0)
3422 c->rtp_handles[stream_index] = h;
3423 max_packet_size = h->max_packet_size;
3425 case RTSP_LOWER_TRANSPORT_TCP:
3428 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3434 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3435 ipaddr, ntohs(dest_addr->sin_port),
3436 c->stream->filename, stream_index, c->protocol);
3438 /* normally, no packets should be output here, but the packet size may be checked */
3439 if (ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3440 /* XXX: close stream */
3443 if (avformat_write_header(ctx, NULL) < 0) {
3450 avio_close_dyn_buf(ctx->pb, &dummy_buf);
3453 c->rtp_ctx[stream_index] = ctx;
3457 /********************************************************************/
3458 /* ffserver initialization */
3460 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
3464 fst = av_mallocz(sizeof(AVStream));
3468 fst->codec = avcodec_alloc_context3(NULL);
3469 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3470 if (codec->extradata_size) {
3471 fst->codec->extradata = av_malloc(codec->extradata_size);
3472 memcpy(fst->codec->extradata, codec->extradata,
3473 codec->extradata_size);
3476 /* live streams must use the actual feed's codec since it may be
3477 * updated later to carry extradata needed by the streams.
3481 fst->priv_data = av_mallocz(sizeof(FeedData));
3482 fst->index = stream->nb_streams;
3483 avpriv_set_pts_info(fst, 33, 1, 90000);
3484 fst->sample_aspect_ratio = codec->sample_aspect_ratio;
3485 stream->streams[stream->nb_streams++] = fst;
3489 /* return the stream number in the feed */
3490 static int add_av_stream(FFStream *feed, AVStream *st)
3493 AVCodecContext *av, *av1;
3497 for(i=0;i<feed->nb_streams;i++) {
3498 st = feed->streams[i];
3500 if (av1->codec_id == av->codec_id &&
3501 av1->codec_type == av->codec_type &&
3502 av1->bit_rate == av->bit_rate) {
3504 switch(av->codec_type) {
3505 case AVMEDIA_TYPE_AUDIO:
3506 if (av1->channels == av->channels &&
3507 av1->sample_rate == av->sample_rate)
3510 case AVMEDIA_TYPE_VIDEO:
3511 if (av1->width == av->width &&
3512 av1->height == av->height &&
3513 av1->time_base.den == av->time_base.den &&
3514 av1->time_base.num == av->time_base.num &&
3515 av1->gop_size == av->gop_size)
3524 fst = add_av_stream1(feed, av, 0);
3527 return feed->nb_streams - 1;
3530 static void remove_stream(FFStream *stream)
3534 while (*ps != NULL) {
3542 /* specific mpeg4 handling : we extract the raw parameters */
3543 static void extract_mpeg4_header(AVFormatContext *infile)
3545 int mpeg4_count, i, size;
3551 for(i=0;i<infile->nb_streams;i++) {
3552 st = infile->streams[i];
3553 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3554 st->codec->extradata_size == 0) {
3561 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3562 while (mpeg4_count > 0) {
3563 if (av_read_packet(infile, &pkt) < 0)
3565 st = infile->streams[pkt.stream_index];
3566 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3567 st->codec->extradata_size == 0) {
3568 av_freep(&st->codec->extradata);
3569 /* fill extradata with the header */
3570 /* XXX: we make hard suppositions here ! */
3572 while (p < pkt.data + pkt.size - 4) {
3573 /* stop when vop header is found */
3574 if (p[0] == 0x00 && p[1] == 0x00 &&
3575 p[2] == 0x01 && p[3] == 0xb6) {
3576 size = p - pkt.data;
3577 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3578 st->codec->extradata = av_malloc(size);
3579 st->codec->extradata_size = size;
3580 memcpy(st->codec->extradata, pkt.data, size);
3587 av_free_packet(&pkt);
3591 /* compute the needed AVStream for each file */
3592 static void build_file_streams(void)
3594 FFStream *stream, *stream_next;
3597 /* gather all streams */
3598 for(stream = first_stream; stream != NULL; stream = stream_next) {
3599 AVFormatContext *infile = NULL;
3600 stream_next = stream->next;
3601 if (stream->stream_type == STREAM_TYPE_LIVE &&
3603 /* the stream comes from a file */
3604 /* try to open the file */
3606 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3607 /* specific case : if transport stream output to RTP,
3608 we use a raw transport stream reader */
3609 av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0);
3612 http_log("Opening file '%s'\n", stream->feed_filename);
3613 if ((ret = avformat_open_input(&infile, stream->feed_filename, stream->ifmt, &stream->in_opts)) < 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 (avformat_find_stream_info(infile, NULL) < 0) {
3622 http_log("Could not find codec parameters from '%s'\n",
3623 stream->feed_filename);
3624 avformat_close_input(&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 avformat_close_input(&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 for(i=0;i<stream->nb_streams;i++)
3650 stream->feed_streams[i] = i;
3652 /* we handle a stream coming from a feed */
3653 for(i=0;i<stream->nb_streams;i++)
3654 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3659 /* create feed files if needed */
3660 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3663 if (avio_check(feed->feed_filename, AVIO_FLAG_READ) > 0) {
3664 /* See if it matches */
3665 AVFormatContext *s = NULL;
3668 if (avformat_open_input(&s, feed->feed_filename, NULL, NULL) >= 0) {
3669 /* set buffer size */
3670 ffio_set_buf_size(s->pb, FFM_PACKET_SIZE);
3671 /* Now see if it matches */
3672 if (s->nb_streams == feed->nb_streams) {
3674 for(i=0;i<s->nb_streams;i++) {
3676 sf = feed->streams[i];
3679 if (sf->index != ss->index ||
3681 http_log("Index & Id do not match for stream %d (%s)\n",
3682 i, feed->feed_filename);
3685 AVCodecContext *ccf, *ccs;
3689 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3691 if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
3692 http_log("Codecs do not match for stream %d\n", i);
3694 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3695 http_log("Codec bitrates do not match for stream %d\n", i);
3697 } else if (ccf->codec_type == AVMEDIA_TYPE_VIDEO) {
3698 if (CHECK_CODEC(time_base.den) ||
3699 CHECK_CODEC(time_base.num) ||
3700 CHECK_CODEC(width) ||
3701 CHECK_CODEC(height)) {
3702 http_log("Codec width, height and framerate do not match for stream %d\n", i);
3705 } else if (ccf->codec_type == AVMEDIA_TYPE_AUDIO) {
3706 if (CHECK_CODEC(sample_rate) ||
3707 CHECK_CODEC(channels) ||
3708 CHECK_CODEC(frame_size)) {
3709 http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3713 http_log("Unknown codec type\n");
3721 http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3722 feed->feed_filename, s->nb_streams, feed->nb_streams);
3724 avformat_close_input(&s);
3726 http_log("Deleting feed file '%s' as it appears to be corrupt\n",
3727 feed->feed_filename);
3730 if (feed->readonly) {
3731 http_log("Unable to delete feed file '%s' as it is marked readonly\n",
3732 feed->feed_filename);
3735 unlink(feed->feed_filename);
3738 if (avio_check(feed->feed_filename, AVIO_FLAG_WRITE) <= 0) {
3739 AVFormatContext s1 = {0}, *s = &s1;
3741 if (feed->readonly) {
3742 http_log("Unable to create feed file '%s' as it is marked readonly\n",
3743 feed->feed_filename);
3747 /* only write the header of the ffm file */
3748 if (avio_open(&s->pb, feed->feed_filename, AVIO_FLAG_WRITE) < 0) {
3749 http_log("Could not open output feed file '%s'\n",
3750 feed->feed_filename);
3753 s->oformat = feed->fmt;
3754 s->nb_streams = feed->nb_streams;
3755 s->streams = feed->streams;
3756 if (avformat_write_header(s, NULL) < 0) {
3757 http_log("Container doesn't supports the required parameters\n");
3760 /* XXX: need better api */
3761 av_freep(&s->priv_data);
3764 /* get feed size and write index */
3765 fd = open(feed->feed_filename, O_RDONLY);
3767 http_log("Could not open output feed file '%s'\n",
3768 feed->feed_filename);
3772 feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
3773 feed->feed_size = lseek(fd, 0, SEEK_END);
3774 /* ensure that we do not wrap before the end of file */
3775 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3776 feed->feed_max_size = feed->feed_size;
3782 /* compute the bandwidth used by each stream */
3783 static void compute_bandwidth(void)
3789 for(stream = first_stream; stream != NULL; stream = stream->next) {
3791 for(i=0;i<stream->nb_streams;i++) {
3792 AVStream *st = stream->streams[i];
3793 switch(st->codec->codec_type) {
3794 case AVMEDIA_TYPE_AUDIO:
3795 case AVMEDIA_TYPE_VIDEO:
3796 bandwidth += st->codec->bit_rate;
3802 stream->bandwidth = (bandwidth + 999) / 1000;
3806 /* add a codec and set the default parameters */
3807 static void add_codec(FFStream *stream, AVCodecContext *av)
3811 /* compute default parameters */
3812 switch(av->codec_type) {
3813 case AVMEDIA_TYPE_AUDIO:
3814 if (av->bit_rate == 0)
3815 av->bit_rate = 64000;
3816 if (av->sample_rate == 0)
3817 av->sample_rate = 22050;
3818 if (av->channels == 0)
3821 case AVMEDIA_TYPE_VIDEO:
3822 if (av->bit_rate == 0)
3823 av->bit_rate = 64000;
3824 if (av->time_base.num == 0){
3825 av->time_base.den = 5;
3826 av->time_base.num = 1;
3828 if (av->width == 0 || av->height == 0) {
3832 /* Bitrate tolerance is less for streaming */
3833 if (av->bit_rate_tolerance == 0)
3834 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3835 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3840 if (av->max_qdiff == 0)
3842 av->qcompress = 0.5;
3845 if (!av->nsse_weight)
3846 av->nsse_weight = 8;
3848 av->frame_skip_cmp = FF_CMP_DCTMAX;
3850 av->me_method = ME_EPZS;
3851 av->rc_buffer_aggressivity = 1.0;
3854 av->rc_eq = "tex^qComp";
3855 if (!av->i_quant_factor)
3856 av->i_quant_factor = -0.8;
3857 if (!av->b_quant_factor)
3858 av->b_quant_factor = 1.25;
3859 if (!av->b_quant_offset)
3860 av->b_quant_offset = 1.25;
3861 if (!av->rc_max_rate)
3862 av->rc_max_rate = av->bit_rate * 2;
3864 if (av->rc_max_rate && !av->rc_buffer_size) {
3865 av->rc_buffer_size = av->rc_max_rate;
3874 st = av_mallocz(sizeof(AVStream));
3877 st->codec = avcodec_alloc_context3(NULL);
3878 stream->streams[stream->nb_streams++] = st;
3879 memcpy(st->codec, av, sizeof(AVCodecContext));
3882 static enum CodecID opt_audio_codec(const char *arg)
3884 AVCodec *p= avcodec_find_encoder_by_name(arg);
3886 if (p == NULL || p->type != AVMEDIA_TYPE_AUDIO)
3887 return CODEC_ID_NONE;
3892 static enum CodecID opt_video_codec(const char *arg)
3894 AVCodec *p= avcodec_find_encoder_by_name(arg);
3896 if (p == NULL || p->type != AVMEDIA_TYPE_VIDEO)
3897 return CODEC_ID_NONE;
3902 /* simplistic plugin support */
3905 static void load_module(const char *filename)
3908 void (*init_func)(void);
3909 dll = dlopen(filename, RTLD_NOW);
3911 fprintf(stderr, "Could not load module '%s' - %s\n",
3912 filename, dlerror());
3916 init_func = dlsym(dll, "ffserver_module_init");
3919 "%s: init function 'ffserver_module_init()' not found\n",
3928 static int ffserver_opt_default(const char *opt, const char *arg,
3929 AVCodecContext *avctx, int type)
3932 const AVOption *o = av_opt_find(avctx, opt, NULL, type, 0);
3934 ret = av_opt_set(avctx, opt, arg, 0);
3938 static int ffserver_opt_preset(const char *arg,
3939 AVCodecContext *avctx, int type,
3940 enum CodecID *audio_id, enum CodecID *video_id)
3943 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3945 AVCodec *codec = avcodec_find_encoder(avctx->codec_id);
3947 if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
3948 codec ? codec->name : NULL))) {
3949 fprintf(stderr, "File for preset '%s' not found\n", arg);
3954 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3955 if(line[0] == '#' && !e)
3957 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3959 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3963 if(!strcmp(tmp, "acodec")){
3964 *audio_id = opt_audio_codec(tmp2);
3965 }else if(!strcmp(tmp, "vcodec")){
3966 *video_id = opt_video_codec(tmp2);
3967 }else if(!strcmp(tmp, "scodec")){
3968 /* opt_subtitle_codec(tmp2); */
3969 }else if(ffserver_opt_default(tmp, tmp2, avctx, type) < 0){
3970 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3981 static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename,
3982 const char *mime_type)
3984 AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
3987 AVOutputFormat *stream_fmt;
3988 char stream_format_name[64];
3990 snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
3991 stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
4000 static void report_config_error(const char *filename, int line_num, int *errors, const char *fmt, ...)
4004 fprintf(stderr, "%s:%d: ", filename, line_num);
4005 vfprintf(stderr, fmt, vl);
4011 static int parse_ffconfig(const char *filename)
4018 int val, errors, line_num;
4019 FFStream **last_stream, *stream, *redirect;
4020 FFStream **last_feed, *feed, *s;
4021 AVCodecContext audio_enc, video_enc;
4022 enum CodecID audio_id, video_id;
4024 f = fopen(filename, "r");
4032 first_stream = NULL;
4033 last_stream = &first_stream;
4035 last_feed = &first_feed;
4039 audio_id = CODEC_ID_NONE;
4040 video_id = CODEC_ID_NONE;
4042 #define ERROR(...) report_config_error(filename, line_num, &errors, __VA_ARGS__)
4044 if (fgets(line, sizeof(line), f) == NULL)
4050 if (*p == '\0' || *p == '#')
4053 get_arg(cmd, sizeof(cmd), &p);
4055 if (!av_strcasecmp(cmd, "Port")) {
4056 get_arg(arg, sizeof(arg), &p);
4058 if (val < 1 || val > 65536) {
4059 ERROR("Invalid_port: %s\n", arg);
4061 my_http_addr.sin_port = htons(val);
4062 } else if (!av_strcasecmp(cmd, "BindAddress")) {
4063 get_arg(arg, sizeof(arg), &p);
4064 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
4065 ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
4067 } else if (!av_strcasecmp(cmd, "NoDaemon")) {
4068 ffserver_daemon = 0;
4069 } else if (!av_strcasecmp(cmd, "RTSPPort")) {
4070 get_arg(arg, sizeof(arg), &p);
4072 if (val < 1 || val > 65536) {
4073 ERROR("%s:%d: Invalid port: %s\n", arg);
4075 my_rtsp_addr.sin_port = htons(atoi(arg));
4076 } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
4077 get_arg(arg, sizeof(arg), &p);
4078 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
4079 ERROR("Invalid host/IP address: %s\n", arg);
4081 } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
4082 get_arg(arg, sizeof(arg), &p);
4084 if (val < 1 || val > 65536) {
4085 ERROR("Invalid MaxHTTPConnections: %s\n", arg);
4087 nb_max_http_connections = val;
4088 } else if (!av_strcasecmp(cmd, "MaxClients")) {
4089 get_arg(arg, sizeof(arg), &p);
4091 if (val < 1 || val > nb_max_http_connections) {
4092 ERROR("Invalid MaxClients: %s\n", arg);
4094 nb_max_connections = val;
4096 } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
4098 get_arg(arg, sizeof(arg), &p);
4100 if (llval < 10 || llval > 10000000) {
4101 ERROR("Invalid MaxBandwidth: %s\n", arg);
4103 max_bandwidth = llval;
4104 } else if (!av_strcasecmp(cmd, "CustomLog")) {
4105 if (!ffserver_debug)
4106 get_arg(logfilename, sizeof(logfilename), &p);
4107 } else if (!av_strcasecmp(cmd, "<Feed")) {
4108 /*********************************************/
4109 /* Feed related options */
4111 if (stream || feed) {
4112 ERROR("Already in a tag\n");
4114 feed = av_mallocz(sizeof(FFStream));
4115 get_arg(feed->filename, sizeof(feed->filename), &p);
4116 q = strrchr(feed->filename, '>');
4120 for (s = first_feed; s; s = s->next) {
4121 if (!strcmp(feed->filename, s->filename)) {
4122 ERROR("Feed '%s' already registered\n", s->filename);
4126 feed->fmt = av_guess_format("ffm", NULL, NULL);
4127 /* defaut feed file */
4128 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
4129 "/tmp/%s.ffm", feed->filename);
4130 feed->feed_max_size = 5 * 1024 * 1024;
4132 feed->feed = feed; /* self feeding :-) */
4134 /* add in stream list */
4135 *last_stream = feed;
4136 last_stream = &feed->next;
4137 /* add in feed list */
4139 last_feed = &feed->next_feed;
4141 } else if (!av_strcasecmp(cmd, "Launch")) {
4145 feed->child_argv = av_mallocz(64 * sizeof(char *));
4147 for (i = 0; i < 62; i++) {
4148 get_arg(arg, sizeof(arg), &p);
4152 feed->child_argv[i] = av_strdup(arg);
4155 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
4157 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
4159 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
4160 inet_ntoa(my_http_addr.sin_addr),
4161 ntohs(my_http_addr.sin_port), feed->filename);
4163 } else if (!av_strcasecmp(cmd, "ReadOnlyFile")) {
4165 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4167 } else if (stream) {
4168 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4170 } else if (!av_strcasecmp(cmd, "File")) {
4172 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4174 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4175 } else if (!av_strcasecmp(cmd, "Truncate")) {
4177 get_arg(arg, sizeof(arg), &p);
4178 feed->truncate = strtod(arg, NULL);
4180 } else if (!av_strcasecmp(cmd, "FileMaxSize")) {
4185 get_arg(arg, sizeof(arg), &p);
4187 fsize = strtod(p1, &p1);
4188 switch(toupper(*p1)) {
4193 fsize *= 1024 * 1024;
4196 fsize *= 1024 * 1024 * 1024;
4199 feed->feed_max_size = (int64_t)fsize;
4200 if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
4201 ERROR("Feed max file size is too small, must be at least %d\n", FFM_PACKET_SIZE*4);
4204 } else if (!av_strcasecmp(cmd, "</Feed>")) {
4206 ERROR("No corresponding <Feed> for </Feed>\n");
4209 } else if (!av_strcasecmp(cmd, "<Stream")) {
4210 /*********************************************/
4211 /* Stream related options */
4213 if (stream || feed) {
4214 ERROR("Already in a tag\n");
4217 stream = av_mallocz(sizeof(FFStream));
4218 get_arg(stream->filename, sizeof(stream->filename), &p);
4219 q = strrchr(stream->filename, '>');
4223 for (s = first_stream; s; s = s->next) {
4224 if (!strcmp(stream->filename, s->filename)) {
4225 ERROR("Stream '%s' already registered\n", s->filename);
4229 stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
4230 avcodec_get_context_defaults3(&video_enc, NULL);
4231 avcodec_get_context_defaults3(&audio_enc, NULL);
4233 audio_id = CODEC_ID_NONE;
4234 video_id = CODEC_ID_NONE;
4236 audio_id = stream->fmt->audio_codec;
4237 video_id = stream->fmt->video_codec;
4240 *last_stream = stream;
4241 last_stream = &stream->next;
4243 } else if (!av_strcasecmp(cmd, "Feed")) {
4244 get_arg(arg, sizeof(arg), &p);
4249 while (sfeed != NULL) {
4250 if (!strcmp(sfeed->filename, arg))
4252 sfeed = sfeed->next_feed;
4255 ERROR("feed '%s' not defined\n", arg);
4257 stream->feed = sfeed;
4259 } else if (!av_strcasecmp(cmd, "Format")) {
4260 get_arg(arg, sizeof(arg), &p);
4262 if (!strcmp(arg, "status")) {
4263 stream->stream_type = STREAM_TYPE_STATUS;
4266 stream->stream_type = STREAM_TYPE_LIVE;
4267 /* jpeg cannot be used here, so use single frame jpeg */
4268 if (!strcmp(arg, "jpeg"))
4269 strcpy(arg, "mjpeg");
4270 stream->fmt = ffserver_guess_format(arg, NULL, NULL);
4272 ERROR("Unknown Format: %s\n", arg);
4276 audio_id = stream->fmt->audio_codec;
4277 video_id = stream->fmt->video_codec;
4280 } else if (!av_strcasecmp(cmd, "InputFormat")) {
4281 get_arg(arg, sizeof(arg), &p);
4283 stream->ifmt = av_find_input_format(arg);
4284 if (!stream->ifmt) {
4285 ERROR("Unknown input format: %s\n", arg);
4288 } else if (!av_strcasecmp(cmd, "FaviconURL")) {
4289 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4290 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4292 ERROR("FaviconURL only permitted for status streams\n");
4294 } else if (!av_strcasecmp(cmd, "Author")) {
4296 get_arg(stream->author, sizeof(stream->author), &p);
4297 } else if (!av_strcasecmp(cmd, "Comment")) {
4299 get_arg(stream->comment, sizeof(stream->comment), &p);
4300 } else if (!av_strcasecmp(cmd, "Copyright")) {
4302 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4303 } else if (!av_strcasecmp(cmd, "Title")) {
4305 get_arg(stream->title, sizeof(stream->title), &p);
4306 } else if (!av_strcasecmp(cmd, "Preroll")) {
4307 get_arg(arg, sizeof(arg), &p);
4309 stream->prebuffer = atof(arg) * 1000;
4310 } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
4312 stream->send_on_key = 1;
4313 } else if (!av_strcasecmp(cmd, "AudioCodec")) {
4314 get_arg(arg, sizeof(arg), &p);
4315 audio_id = opt_audio_codec(arg);
4316 if (audio_id == CODEC_ID_NONE) {
4317 ERROR("Unknown AudioCodec: %s\n", arg);
4319 } else if (!av_strcasecmp(cmd, "VideoCodec")) {
4320 get_arg(arg, sizeof(arg), &p);
4321 video_id = opt_video_codec(arg);
4322 if (video_id == CODEC_ID_NONE) {
4323 ERROR("Unknown VideoCodec: %s\n", arg);
4325 } else if (!av_strcasecmp(cmd, "MaxTime")) {
4326 get_arg(arg, sizeof(arg), &p);
4328 stream->max_time = atof(arg) * 1000;
4329 } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
4330 get_arg(arg, sizeof(arg), &p);
4332 audio_enc.bit_rate = lrintf(atof(arg) * 1000);
4333 } else if (!av_strcasecmp(cmd, "AudioChannels")) {
4334 get_arg(arg, sizeof(arg), &p);
4336 audio_enc.channels = atoi(arg);
4337 } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
4338 get_arg(arg, sizeof(arg), &p);
4340 audio_enc.sample_rate = atoi(arg);
4341 } else if (!av_strcasecmp(cmd, "AudioQuality")) {
4342 get_arg(arg, sizeof(arg), &p);
4344 // audio_enc.quality = atof(arg) * 1000;
4346 } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
4348 int minrate, maxrate;
4350 get_arg(arg, sizeof(arg), &p);
4352 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4353 video_enc.rc_min_rate = minrate * 1000;
4354 video_enc.rc_max_rate = maxrate * 1000;
4356 ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
4359 } else if (!av_strcasecmp(cmd, "Debug")) {
4361 get_arg(arg, sizeof(arg), &p);
4362 video_enc.debug = strtol(arg,0,0);
4364 } else if (!av_strcasecmp(cmd, "Strict")) {
4366 get_arg(arg, sizeof(arg), &p);
4367 video_enc.strict_std_compliance = atoi(arg);
4369 } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
4371 get_arg(arg, sizeof(arg), &p);
4372 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4374 } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
4376 get_arg(arg, sizeof(arg), &p);
4377 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4379 } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
4380 get_arg(arg, sizeof(arg), &p);
4382 video_enc.bit_rate = atoi(arg) * 1000;
4384 } else if (!av_strcasecmp(cmd, "VideoSize")) {
4385 get_arg(arg, sizeof(arg), &p);
4387 av_parse_video_size(&video_enc.width, &video_enc.height, arg);
4388 if ((video_enc.width % 16) != 0 ||
4389 (video_enc.height % 16) != 0) {
4390 ERROR("Image size must be a multiple of 16\n");
4393 } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
4394 get_arg(arg, sizeof(arg), &p);
4396 AVRational frame_rate;
4397 if (av_parse_video_rate(&frame_rate, arg) < 0) {
4398 ERROR("Incorrect frame rate: %s\n", arg);
4400 video_enc.time_base.num = frame_rate.den;
4401 video_enc.time_base.den = frame_rate.num;
4404 } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
4405 get_arg(arg, sizeof(arg), &p);
4407 video_enc.gop_size = atoi(arg);
4408 } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
4410 video_enc.gop_size = 1;
4411 } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
4413 video_enc.mb_decision = FF_MB_DECISION_BITS;
4414 } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
4416 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4417 video_enc.flags |= CODEC_FLAG_4MV;
4419 } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
4420 !av_strcasecmp(cmd, "AVOptionAudio")) {
4422 AVCodecContext *avctx;
4424 get_arg(arg, sizeof(arg), &p);
4425 get_arg(arg2, sizeof(arg2), &p);
4426 if (!av_strcasecmp(cmd, "AVOptionVideo")) {
4428 type = AV_OPT_FLAG_VIDEO_PARAM;
4431 type = AV_OPT_FLAG_AUDIO_PARAM;
4433 if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4434 ERROR("AVOption error: %s %s\n", arg, arg2);
4436 } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
4437 !av_strcasecmp(cmd, "AVPresetAudio")) {
4438 AVCodecContext *avctx;
4440 get_arg(arg, sizeof(arg), &p);
4441 if (!av_strcasecmp(cmd, "AVPresetVideo")) {
4443 video_enc.codec_id = video_id;
4444 type = AV_OPT_FLAG_VIDEO_PARAM;
4447 audio_enc.codec_id = audio_id;
4448 type = AV_OPT_FLAG_AUDIO_PARAM;
4450 if (ffserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &audio_id, &video_id)) {
4451 ERROR("AVPreset error: %s\n", arg);
4453 } else if (!av_strcasecmp(cmd, "VideoTag")) {
4454 get_arg(arg, sizeof(arg), &p);
4455 if ((strlen(arg) == 4) && stream)
4456 video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
4457 } else if (!av_strcasecmp(cmd, "BitExact")) {
4459 video_enc.flags |= CODEC_FLAG_BITEXACT;
4460 } else if (!av_strcasecmp(cmd, "DctFastint")) {
4462 video_enc.dct_algo = FF_DCT_FASTINT;
4463 } else if (!av_strcasecmp(cmd, "IdctSimple")) {
4465 video_enc.idct_algo = FF_IDCT_SIMPLE;
4466 } else if (!av_strcasecmp(cmd, "Qscale")) {
4467 get_arg(arg, sizeof(arg), &p);
4469 video_enc.flags |= CODEC_FLAG_QSCALE;
4470 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4472 } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
4473 get_arg(arg, sizeof(arg), &p);
4475 video_enc.max_qdiff = atoi(arg);
4476 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4477 ERROR("VideoQDiff out of range\n");
4480 } else if (!av_strcasecmp(cmd, "VideoQMax")) {
4481 get_arg(arg, sizeof(arg), &p);
4483 video_enc.qmax = atoi(arg);
4484 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4485 ERROR("VideoQMax out of range\n");
4488 } else if (!av_strcasecmp(cmd, "VideoQMin")) {
4489 get_arg(arg, sizeof(arg), &p);
4491 video_enc.qmin = atoi(arg);
4492 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4493 ERROR("VideoQMin out of range\n");
4496 } else if (!av_strcasecmp(cmd, "LumaElim")) {
4497 get_arg(arg, sizeof(arg), &p);
4499 video_enc.luma_elim_threshold = atoi(arg);
4500 } else if (!av_strcasecmp(cmd, "ChromaElim")) {
4501 get_arg(arg, sizeof(arg), &p);
4503 video_enc.chroma_elim_threshold = atoi(arg);
4504 } else if (!av_strcasecmp(cmd, "LumiMask")) {
4505 get_arg(arg, sizeof(arg), &p);
4507 video_enc.lumi_masking = atof(arg);
4508 } else if (!av_strcasecmp(cmd, "DarkMask")) {
4509 get_arg(arg, sizeof(arg), &p);
4511 video_enc.dark_masking = atof(arg);
4512 } else if (!av_strcasecmp(cmd, "NoVideo")) {
4513 video_id = CODEC_ID_NONE;
4514 } else if (!av_strcasecmp(cmd, "NoAudio")) {
4515 audio_id = CODEC_ID_NONE;
4516 } else if (!av_strcasecmp(cmd, "ACL")) {
4517 parse_acl_row(stream, feed, NULL, p, filename, line_num);
4518 } else if (!av_strcasecmp(cmd, "DynamicACL")) {
4520 get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), &p);
4522 } else if (!av_strcasecmp(cmd, "RTSPOption")) {
4523 get_arg(arg, sizeof(arg), &p);
4525 av_freep(&stream->rtsp_option);
4526 stream->rtsp_option = av_strdup(arg);
4528 } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
4529 get_arg(arg, sizeof(arg), &p);
4531 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4532 ERROR("Invalid host/IP address: %s\n", arg);
4534 stream->is_multicast = 1;
4535 stream->loop = 1; /* default is looping */
4537 } else if (!av_strcasecmp(cmd, "MulticastPort")) {
4538 get_arg(arg, sizeof(arg), &p);
4540 stream->multicast_port = atoi(arg);
4541 } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
4542 get_arg(arg, sizeof(arg), &p);
4544 stream->multicast_ttl = atoi(arg);
4545 } else if (!av_strcasecmp(cmd, "NoLoop")) {
4548 } else if (!av_strcasecmp(cmd, "</Stream>")) {
4550 ERROR("No corresponding <Stream> for </Stream>\n");
4552 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4553 if (audio_id != CODEC_ID_NONE) {
4554 audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
4555 audio_enc.codec_id = audio_id;
4556 add_codec(stream, &audio_enc);
4558 if (video_id != CODEC_ID_NONE) {
4559 video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
4560 video_enc.codec_id = video_id;
4561 add_codec(stream, &video_enc);
4566 } else if (!av_strcasecmp(cmd, "<Redirect")) {
4567 /*********************************************/
4569 if (stream || feed || redirect) {
4570 ERROR("Already in a tag\n");
4572 redirect = av_mallocz(sizeof(FFStream));
4573 *last_stream = redirect;
4574 last_stream = &redirect->next;
4576 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4577 q = strrchr(redirect->filename, '>');
4580 redirect->stream_type = STREAM_TYPE_REDIRECT;
4582 } else if (!av_strcasecmp(cmd, "URL")) {
4584 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4585 } else if (!av_strcasecmp(cmd, "</Redirect>")) {
4587 ERROR("No corresponding <Redirect> for </Redirect>\n");
4589 if (!redirect->feed_filename[0]) {
4590 ERROR("No URL found for <Redirect>\n");
4594 } else if (!av_strcasecmp(cmd, "LoadModule")) {
4595 get_arg(arg, sizeof(arg), &p);
4599 ERROR("Module support not compiled into this version: '%s'\n", arg);
4602 ERROR("Incorrect keyword: '%s'\n", cmd);
4614 static void handle_child_exit(int sig)
4619 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4622 for (feed = first_feed; feed; feed = feed->next) {
4623 if (feed->pid == pid) {
4624 int uptime = time(0) - feed->pid_start;
4627 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4630 /* Turn off any more restarts */
4631 feed->child_argv = 0;
4636 need_to_start_children = 1;
4639 static void opt_debug(void)
4642 ffserver_daemon = 0;
4643 logfilename[0] = '-';
4646 static int opt_help(const char *opt, const char *arg)
4648 printf("usage: ffserver [options]\n"
4649 "Hyper fast multi format Audio/Video streaming server\n");
4651 show_help_options(options, "Main options:\n", 0, 0);
4655 static const OptionDef options[] = {
4656 #include "cmdutils_common_opts.h"
4657 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4658 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4659 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4663 int main(int argc, char **argv)
4665 struct sigaction sigact = { { 0 } };
4667 parse_loglevel(argc, argv, options);
4669 avformat_network_init();
4671 show_banner(argc, argv, options);
4673 my_program_name = argv[0];
4674 my_program_dir = getcwd(0, 0);
4675 ffserver_daemon = 1;
4677 parse_options(NULL, argc, argv, options, NULL);
4679 unsetenv("http_proxy"); /* Kill the http_proxy */
4681 av_lfg_init(&random_state, av_get_random_seed());
4683 sigact.sa_handler = handle_child_exit;
4684 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4685 sigaction(SIGCHLD, &sigact, 0);
4687 if (parse_ffconfig(config_filename) < 0) {
4688 fprintf(stderr, "Incorrect config file - exiting.\n");
4692 /* open log file if needed */
4693 if (logfilename[0] != '\0') {
4694 if (!strcmp(logfilename, "-"))
4697 logfile = fopen(logfilename, "a");
4698 av_log_set_callback(http_av_log);
4701 build_file_streams();
4703 build_feed_streams();
4705 compute_bandwidth();
4707 /* put the process in background and detach it from its TTY */
4708 if (ffserver_daemon) {
4715 } else if (pid > 0) {
4722 open("/dev/null", O_RDWR);
4723 if (strcmp(logfilename, "-") != 0) {
4733 signal(SIGPIPE, SIG_IGN);
4735 if (ffserver_daemon)
4738 if (http_server() < 0) {
4739 http_log("Could not start server\n");