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;
343 memset(&hints, 0, sizeof(hints));
344 hints.ai_family = AF_INET;
345 if (getaddrinfo(hostname, NULL, &hints, &ai))
347 /* getaddrinfo returns a linked list of addrinfo structs.
348 * Even if we set ai_family = AF_INET above, make sure
349 * that the returned one actually is of the correct type. */
350 for (cur = ai; cur; cur = cur->ai_next) {
351 if (cur->ai_family == AF_INET) {
352 *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
361 hp = gethostbyname(hostname);
364 memcpy(sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
370 static char *ctime1(char *buf2)
378 p = buf2 + strlen(p) - 1;
384 static void http_vlog(const char *fmt, va_list vargs)
386 static int print_prefix = 1;
391 fprintf(logfile, "%s ", buf);
393 print_prefix = strstr(fmt, "\n") != NULL;
394 vfprintf(logfile, fmt, vargs);
400 __attribute__ ((format (printf, 1, 2)))
402 static void http_log(const char *fmt, ...)
405 va_start(vargs, fmt);
406 http_vlog(fmt, vargs);
410 static void http_av_log(void *ptr, int level, const char *fmt, va_list vargs)
412 static int print_prefix = 1;
413 AVClass *avc = ptr ? *(AVClass**)ptr : NULL;
414 if (level > av_log_get_level())
416 if (print_prefix && avc)
417 http_log("[%s @ %p]", avc->item_name(ptr), ptr);
418 print_prefix = strstr(fmt, "\n") != NULL;
419 http_vlog(fmt, vargs);
422 static void log_connection(HTTPContext *c)
427 http_log("%s - - [%s] \"%s %s\" %d %"PRId64"\n",
428 inet_ntoa(c->from_addr.sin_addr), c->method, c->url,
429 c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
432 static void update_datarate(DataRateData *drd, int64_t count)
434 if (!drd->time1 && !drd->count1) {
435 drd->time1 = drd->time2 = cur_time;
436 drd->count1 = drd->count2 = count;
437 } else if (cur_time - drd->time2 > 5000) {
438 drd->time1 = drd->time2;
439 drd->count1 = drd->count2;
440 drd->time2 = cur_time;
445 /* In bytes per second */
446 static int compute_datarate(DataRateData *drd, int64_t count)
448 if (cur_time == drd->time1)
451 return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
455 static void start_children(FFStream *feed)
460 for (; feed; feed = feed->next) {
461 if (feed->child_argv && !feed->pid) {
462 feed->pid_start = time(0);
467 http_log("Unable to create children\n");
476 av_strlcpy(pathname, my_program_name, sizeof(pathname));
478 slash = strrchr(pathname, '/');
483 strcpy(slash, "ffmpeg");
485 http_log("Launch command line: ");
486 http_log("%s ", pathname);
487 for (i = 1; feed->child_argv[i] && feed->child_argv[i][0]; i++)
488 http_log("%s ", feed->child_argv[i]);
491 for (i = 3; i < 256; i++)
494 if (!ffserver_debug) {
495 i = open("/dev/null", O_RDWR);
504 /* This is needed to make relative pathnames work */
505 if (chdir(my_program_dir) < 0) {
506 http_log("chdir failed\n");
510 signal(SIGPIPE, SIG_DFL);
512 execvp(pathname, feed->child_argv);
520 /* open a listening socket */
521 static int socket_open_listen(struct sockaddr_in *my_addr)
525 server_fd = socket(AF_INET,SOCK_STREAM,0);
532 setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
534 my_addr->sin_family = AF_INET;
535 if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
537 snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
539 closesocket(server_fd);
543 if (listen (server_fd, 5) < 0) {
545 closesocket(server_fd);
548 ff_socket_nonblock(server_fd, 1);
553 /* start all multicast streams */
554 static void start_multicast(void)
559 struct sockaddr_in dest_addr;
560 int default_port, stream_index;
563 for(stream = first_stream; stream != NULL; stream = stream->next) {
564 if (stream->is_multicast) {
565 /* open the RTP connection */
566 snprintf(session_id, sizeof(session_id), "%08x%08x",
567 av_lfg_get(&random_state), av_lfg_get(&random_state));
569 /* choose a port if none given */
570 if (stream->multicast_port == 0) {
571 stream->multicast_port = default_port;
575 dest_addr.sin_family = AF_INET;
576 dest_addr.sin_addr = stream->multicast_ip;
577 dest_addr.sin_port = htons(stream->multicast_port);
579 rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
580 RTSP_LOWER_TRANSPORT_UDP_MULTICAST);
584 if (open_input_stream(rtp_c, "") < 0) {
585 http_log("Could not open input stream for stream '%s'\n",
590 /* open each RTP stream */
591 for(stream_index = 0; stream_index < stream->nb_streams;
593 dest_addr.sin_port = htons(stream->multicast_port +
595 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
596 http_log("Could not open output stream '%s/streamid=%d'\n",
597 stream->filename, stream_index);
602 /* change state to send data */
603 rtp_c->state = HTTPSTATE_SEND_DATA;
608 /* main loop of the http server */
609 static int http_server(void)
611 int server_fd = 0, rtsp_server_fd = 0;
612 int ret, delay, delay1;
613 struct pollfd *poll_table, *poll_entry;
614 HTTPContext *c, *c_next;
616 if(!(poll_table = av_mallocz((nb_max_http_connections + 2)*sizeof(*poll_table)))) {
617 http_log("Impossible to allocate a poll table handling %d connections.\n", nb_max_http_connections);
621 if (my_http_addr.sin_port) {
622 server_fd = socket_open_listen(&my_http_addr);
627 if (my_rtsp_addr.sin_port) {
628 rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
629 if (rtsp_server_fd < 0)
633 if (!rtsp_server_fd && !server_fd) {
634 http_log("HTTP and RTSP disabled.\n");
638 http_log("FFserver started.\n");
640 start_children(first_feed);
645 poll_entry = poll_table;
647 poll_entry->fd = server_fd;
648 poll_entry->events = POLLIN;
651 if (rtsp_server_fd) {
652 poll_entry->fd = rtsp_server_fd;
653 poll_entry->events = POLLIN;
657 /* wait for events on each HTTP handle */
664 case HTTPSTATE_SEND_HEADER:
665 case RTSPSTATE_SEND_REPLY:
666 case RTSPSTATE_SEND_PACKET:
667 c->poll_entry = poll_entry;
669 poll_entry->events = POLLOUT;
672 case HTTPSTATE_SEND_DATA_HEADER:
673 case HTTPSTATE_SEND_DATA:
674 case HTTPSTATE_SEND_DATA_TRAILER:
675 if (!c->is_packetized) {
676 /* for TCP, we output as much as we can (may need to put a limit) */
677 c->poll_entry = poll_entry;
679 poll_entry->events = POLLOUT;
682 /* when ffserver is doing the timing, we work by
683 looking at which packet need to be sent every
685 delay1 = 10; /* one tick wait XXX: 10 ms assumed */
690 case HTTPSTATE_WAIT_REQUEST:
691 case HTTPSTATE_RECEIVE_DATA:
692 case HTTPSTATE_WAIT_FEED:
693 case RTSPSTATE_WAIT_REQUEST:
694 /* need to catch errors */
695 c->poll_entry = poll_entry;
697 poll_entry->events = POLLIN;/* Maybe this will work */
701 c->poll_entry = NULL;
707 /* wait for an event on one connection. We poll at least every
708 second to handle timeouts */
710 ret = poll(poll_table, poll_entry - poll_table, delay);
711 if (ret < 0 && ff_neterrno() != AVERROR(EAGAIN) &&
712 ff_neterrno() != AVERROR(EINTR))
716 cur_time = av_gettime() / 1000;
718 if (need_to_start_children) {
719 need_to_start_children = 0;
720 start_children(first_feed);
723 /* now handle the events */
724 for(c = first_http_ctx; c != NULL; c = c_next) {
726 if (handle_connection(c) < 0) {
727 /* close and free the connection */
733 poll_entry = poll_table;
735 /* new HTTP connection request ? */
736 if (poll_entry->revents & POLLIN)
737 new_connection(server_fd, 0);
740 if (rtsp_server_fd) {
741 /* new RTSP connection request ? */
742 if (poll_entry->revents & POLLIN)
743 new_connection(rtsp_server_fd, 1);
748 /* start waiting for a new HTTP/RTSP request */
749 static void start_wait_request(HTTPContext *c, int is_rtsp)
751 c->buffer_ptr = c->buffer;
752 c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
755 c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
756 c->state = RTSPSTATE_WAIT_REQUEST;
758 c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
759 c->state = HTTPSTATE_WAIT_REQUEST;
763 static void http_send_too_busy_reply(int fd)
766 int len = snprintf(buffer, sizeof(buffer),
767 "HTTP/1.0 503 Server too busy\r\n"
768 "Content-type: text/html\r\n"
770 "<html><head><title>Too busy</title></head><body>\r\n"
771 "<p>The server is too busy to serve your request at this time.</p>\r\n"
772 "<p>The number of current connections is %d, and this exceeds the limit of %d.</p>\r\n"
773 "</body></html>\r\n",
774 nb_connections, nb_max_connections);
775 send(fd, buffer, len, 0);
779 static void new_connection(int server_fd, int is_rtsp)
781 struct sockaddr_in from_addr;
783 HTTPContext *c = NULL;
785 len = sizeof(from_addr);
786 fd = accept(server_fd, (struct sockaddr *)&from_addr,
789 http_log("error during accept %s\n", strerror(errno));
792 ff_socket_nonblock(fd, 1);
794 if (nb_connections >= nb_max_connections) {
795 http_send_too_busy_reply(fd);
799 /* add a new connection */
800 c = av_mallocz(sizeof(HTTPContext));
805 c->poll_entry = NULL;
806 c->from_addr = from_addr;
807 c->buffer_size = IOBUFFER_INIT_SIZE;
808 c->buffer = av_malloc(c->buffer_size);
812 c->next = first_http_ctx;
816 start_wait_request(c, is_rtsp);
828 static void close_connection(HTTPContext *c)
830 HTTPContext **cp, *c1;
832 AVFormatContext *ctx;
836 /* remove connection from list */
837 cp = &first_http_ctx;
838 while ((*cp) != NULL) {
846 /* remove references, if any (XXX: do it faster) */
847 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
852 /* remove connection associated resources */
856 /* close each frame parser */
857 for(i=0;i<c->fmt_in->nb_streams;i++) {
858 st = c->fmt_in->streams[i];
859 if (st->codec->codec)
860 avcodec_close(st->codec);
862 avformat_close_input(&c->fmt_in);
865 /* free RTP output streams if any */
868 nb_streams = c->stream->nb_streams;
870 for(i=0;i<nb_streams;i++) {
873 av_write_trailer(ctx);
874 av_dict_free(&ctx->metadata);
875 av_free(ctx->streams[0]);
878 h = c->rtp_handles[i];
885 if (!c->last_packet_sent && c->state == HTTPSTATE_SEND_DATA_TRAILER) {
888 if (avio_open_dyn_buf(&ctx->pb) >= 0) {
889 av_write_trailer(ctx);
890 av_freep(&c->pb_buffer);
891 avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
896 for(i=0; i<ctx->nb_streams; i++)
897 av_free(ctx->streams[i]);
899 if (c->stream && !c->post && c->stream->stream_type == STREAM_TYPE_LIVE)
900 current_bandwidth -= c->stream->bandwidth;
902 /* signal that there is no feed if we are the feeder socket */
903 if (c->state == HTTPSTATE_RECEIVE_DATA && c->stream) {
904 c->stream->feed_opened = 0;
908 av_freep(&c->pb_buffer);
909 av_freep(&c->packet_buffer);
915 static int handle_connection(HTTPContext *c)
920 case HTTPSTATE_WAIT_REQUEST:
921 case RTSPSTATE_WAIT_REQUEST:
923 if ((c->timeout - cur_time) < 0)
925 if (c->poll_entry->revents & (POLLERR | POLLHUP))
928 /* no need to read if no events */
929 if (!(c->poll_entry->revents & POLLIN))
933 len = recv(c->fd, c->buffer_ptr, 1, 0);
935 if (ff_neterrno() != AVERROR(EAGAIN) &&
936 ff_neterrno() != AVERROR(EINTR))
938 } else if (len == 0) {
941 /* search for end of request. */
943 c->buffer_ptr += len;
945 if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
946 (ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
947 /* request found : parse it and reply */
948 if (c->state == HTTPSTATE_WAIT_REQUEST) {
949 ret = http_parse_request(c);
951 ret = rtsp_parse_request(c);
955 } else if (ptr >= c->buffer_end) {
956 /* request too long: cannot do anything */
958 } else goto read_loop;
962 case HTTPSTATE_SEND_HEADER:
963 if (c->poll_entry->revents & (POLLERR | POLLHUP))
966 /* no need to write if no events */
967 if (!(c->poll_entry->revents & POLLOUT))
969 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
971 if (ff_neterrno() != AVERROR(EAGAIN) &&
972 ff_neterrno() != AVERROR(EINTR)) {
973 /* error : close connection */
974 av_freep(&c->pb_buffer);
978 c->buffer_ptr += len;
980 c->stream->bytes_served += len;
981 c->data_count += len;
982 if (c->buffer_ptr >= c->buffer_end) {
983 av_freep(&c->pb_buffer);
987 /* all the buffer was sent : synchronize to the incoming stream */
988 c->state = HTTPSTATE_SEND_DATA_HEADER;
989 c->buffer_ptr = c->buffer_end = c->buffer;
994 case HTTPSTATE_SEND_DATA:
995 case HTTPSTATE_SEND_DATA_HEADER:
996 case HTTPSTATE_SEND_DATA_TRAILER:
997 /* for packetized output, we consider we can always write (the
998 input streams sets the speed). It may be better to verify
999 that we do not rely too much on the kernel queues */
1000 if (!c->is_packetized) {
1001 if (c->poll_entry->revents & (POLLERR | POLLHUP))
1004 /* no need to read if no events */
1005 if (!(c->poll_entry->revents & POLLOUT))
1008 if (http_send_data(c) < 0)
1010 /* close connection if trailer sent */
1011 if (c->state == HTTPSTATE_SEND_DATA_TRAILER)
1014 case HTTPSTATE_RECEIVE_DATA:
1015 /* no need to read if no events */
1016 if (c->poll_entry->revents & (POLLERR | POLLHUP))
1018 if (!(c->poll_entry->revents & POLLIN))
1020 if (http_receive_data(c) < 0)
1023 case HTTPSTATE_WAIT_FEED:
1024 /* no need to read if no events */
1025 if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
1028 /* nothing to do, we'll be waken up by incoming feed packets */
1031 case RTSPSTATE_SEND_REPLY:
1032 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1033 av_freep(&c->pb_buffer);
1036 /* no need to write if no events */
1037 if (!(c->poll_entry->revents & POLLOUT))
1039 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
1041 if (ff_neterrno() != AVERROR(EAGAIN) &&
1042 ff_neterrno() != AVERROR(EINTR)) {
1043 /* error : close connection */
1044 av_freep(&c->pb_buffer);
1048 c->buffer_ptr += len;
1049 c->data_count += len;
1050 if (c->buffer_ptr >= c->buffer_end) {
1051 /* all the buffer was sent : wait for a new request */
1052 av_freep(&c->pb_buffer);
1053 start_wait_request(c, 1);
1057 case RTSPSTATE_SEND_PACKET:
1058 if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
1059 av_freep(&c->packet_buffer);
1062 /* no need to write if no events */
1063 if (!(c->poll_entry->revents & POLLOUT))
1065 len = send(c->fd, c->packet_buffer_ptr,
1066 c->packet_buffer_end - c->packet_buffer_ptr, 0);
1068 if (ff_neterrno() != AVERROR(EAGAIN) &&
1069 ff_neterrno() != AVERROR(EINTR)) {
1070 /* error : close connection */
1071 av_freep(&c->packet_buffer);
1075 c->packet_buffer_ptr += len;
1076 if (c->packet_buffer_ptr >= c->packet_buffer_end) {
1077 /* all the buffer was sent : wait for a new request */
1078 av_freep(&c->packet_buffer);
1079 c->state = RTSPSTATE_WAIT_REQUEST;
1083 case HTTPSTATE_READY:
1092 static int extract_rates(char *rates, int ratelen, const char *request)
1096 for (p = request; *p && *p != '\r' && *p != '\n'; ) {
1097 if (av_strncasecmp(p, "Pragma:", 7) == 0) {
1098 const char *q = p + 7;
1100 while (*q && *q != '\n' && isspace(*q))
1103 if (av_strncasecmp(q, "stream-switch-entry=", 20) == 0) {
1109 memset(rates, 0xff, ratelen);
1112 while (*q && *q != '\n' && *q != ':')
1115 if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2)
1119 if (stream_no < ratelen && stream_no >= 0)
1120 rates[stream_no] = rate_no;
1122 while (*q && *q != '\n' && !isspace(*q))
1129 p = strchr(p, '\n');
1139 static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
1142 int best_bitrate = 100000000;
1145 for (i = 0; i < feed->nb_streams; i++) {
1146 AVCodecContext *feed_codec = feed->streams[i]->codec;
1148 if (feed_codec->codec_id != codec->codec_id ||
1149 feed_codec->sample_rate != codec->sample_rate ||
1150 feed_codec->width != codec->width ||
1151 feed_codec->height != codec->height)
1154 /* Potential stream */
1156 /* We want the fastest stream less than bit_rate, or the slowest
1157 * faster than bit_rate
1160 if (feed_codec->bit_rate <= bit_rate) {
1161 if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
1162 best_bitrate = feed_codec->bit_rate;
1166 if (feed_codec->bit_rate < best_bitrate) {
1167 best_bitrate = feed_codec->bit_rate;
1176 static int modify_current_stream(HTTPContext *c, char *rates)
1179 FFStream *req = c->stream;
1180 int action_required = 0;
1182 /* Not much we can do for a feed */
1186 for (i = 0; i < req->nb_streams; i++) {
1187 AVCodecContext *codec = req->streams[i]->codec;
1191 c->switch_feed_streams[i] = req->feed_streams[i];
1194 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
1197 /* Wants off or slow */
1198 c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
1200 /* This doesn't work well when it turns off the only stream! */
1201 c->switch_feed_streams[i] = -2;
1202 c->feed_streams[i] = -2;
1207 if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
1208 action_required = 1;
1211 return action_required;
1214 /* XXX: factorize in utils.c ? */
1215 /* XXX: take care with different space meaning */
1216 static void skip_spaces(const char **pp)
1220 while (*p == ' ' || *p == '\t')
1225 static void get_word(char *buf, int buf_size, const char **pp)
1233 while (!isspace(*p) && *p != '\0') {
1234 if ((q - buf) < buf_size - 1)
1243 static void get_arg(char *buf, int buf_size, const char **pp)
1250 while (isspace(*p)) p++;
1253 if (*p == '\"' || *p == '\'')
1265 if ((q - buf) < buf_size - 1)
1270 if (quote && *p == quote)
1275 static void parse_acl_row(FFStream *stream, FFStream* feed, IPAddressACL *ext_acl,
1276 const char *p, const char *filename, int line_num)
1282 get_arg(arg, sizeof(arg), &p);
1283 if (av_strcasecmp(arg, "allow") == 0)
1284 acl.action = IP_ALLOW;
1285 else if (av_strcasecmp(arg, "deny") == 0)
1286 acl.action = IP_DENY;
1288 fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
1289 filename, line_num, arg);
1293 get_arg(arg, sizeof(arg), &p);
1295 if (resolve_host(&acl.first, arg) != 0) {
1296 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1297 filename, line_num, arg);
1300 acl.last = acl.first;
1302 get_arg(arg, sizeof(arg), &p);
1305 if (resolve_host(&acl.last, arg) != 0) {
1306 fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
1307 filename, line_num, arg);
1313 IPAddressACL *nacl = av_mallocz(sizeof(*nacl));
1314 IPAddressACL **naclp = 0;
1320 naclp = &stream->acl;
1326 fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
1327 filename, line_num);
1333 naclp = &(*naclp)->next;
1341 static IPAddressACL* parse_dynamic_acl(FFStream *stream, HTTPContext *c)
1346 IPAddressACL *acl = NULL;
1350 f = fopen(stream->dynamic_acl, "r");
1352 perror(stream->dynamic_acl);
1356 acl = av_mallocz(sizeof(IPAddressACL));
1360 if (fgets(line, sizeof(line), f) == NULL)
1366 if (*p == '\0' || *p == '#')
1368 get_arg(cmd, sizeof(cmd), &p);
1370 if (!av_strcasecmp(cmd, "ACL"))
1371 parse_acl_row(NULL, NULL, acl, p, stream->dynamic_acl, line_num);
1378 static void free_acl_list(IPAddressACL *in_acl)
1380 IPAddressACL *pacl,*pacl2;
1390 static int validate_acl_list(IPAddressACL *in_acl, HTTPContext *c)
1392 enum IPAddressAction last_action = IP_DENY;
1394 struct in_addr *src = &c->from_addr.sin_addr;
1395 unsigned long src_addr = src->s_addr;
1397 for (acl = in_acl; acl; acl = acl->next) {
1398 if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr)
1399 return (acl->action == IP_ALLOW) ? 1 : 0;
1400 last_action = acl->action;
1403 /* Nothing matched, so return not the last action */
1404 return (last_action == IP_DENY) ? 1 : 0;
1407 static int validate_acl(FFStream *stream, HTTPContext *c)
1413 /* if stream->acl is null validate_acl_list will return 1 */
1414 ret = validate_acl_list(stream->acl, c);
1416 if (stream->dynamic_acl[0]) {
1417 acl = parse_dynamic_acl(stream, c);
1419 ret = validate_acl_list(acl, c);
1427 /* compute the real filename of a file by matching it without its
1428 extensions to all the stream filenames */
1429 static void compute_real_filename(char *filename, int max_size)
1436 /* compute filename by matching without the file extensions */
1437 av_strlcpy(file1, filename, sizeof(file1));
1438 p = strrchr(file1, '.');
1441 for(stream = first_stream; stream != NULL; stream = stream->next) {
1442 av_strlcpy(file2, stream->filename, sizeof(file2));
1443 p = strrchr(file2, '.');
1446 if (!strcmp(file1, file2)) {
1447 av_strlcpy(filename, stream->filename, max_size);
1462 /* parse http request and prepare header */
1463 static int http_parse_request(HTTPContext *c)
1466 enum RedirType redir_type;
1468 char info[1024], filename[1024];
1472 const char *mime_type;
1476 char *useragent = 0;
1479 get_word(cmd, sizeof(cmd), (const char **)&p);
1480 av_strlcpy(c->method, cmd, sizeof(c->method));
1482 if (!strcmp(cmd, "GET"))
1484 else if (!strcmp(cmd, "POST"))
1489 get_word(url, sizeof(url), (const char **)&p);
1490 av_strlcpy(c->url, url, sizeof(c->url));
1492 get_word(protocol, sizeof(protocol), (const char **)&p);
1493 if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
1496 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
1499 http_log("%s - - New connection: %s %s\n", inet_ntoa(c->from_addr.sin_addr), cmd, url);
1501 /* find the filename and the optional info string in the request */
1502 p = strchr(url, '?');
1504 av_strlcpy(info, p, sizeof(info));
1509 av_strlcpy(filename, url + ((*url == '/') ? 1 : 0), sizeof(filename)-1);
1511 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1512 if (av_strncasecmp(p, "User-Agent:", 11) == 0) {
1514 if (*useragent && *useragent != '\n' && isspace(*useragent))
1518 p = strchr(p, '\n');
1525 redir_type = REDIR_NONE;
1526 if (av_match_ext(filename, "asx")) {
1527 redir_type = REDIR_ASX;
1528 filename[strlen(filename)-1] = 'f';
1529 } else if (av_match_ext(filename, "asf") &&
1530 (!useragent || av_strncasecmp(useragent, "NSPlayer", 8) != 0)) {
1531 /* if this isn't WMP or lookalike, return the redirector file */
1532 redir_type = REDIR_ASF;
1533 } else if (av_match_ext(filename, "rpm,ram")) {
1534 redir_type = REDIR_RAM;
1535 strcpy(filename + strlen(filename)-2, "m");
1536 } else if (av_match_ext(filename, "rtsp")) {
1537 redir_type = REDIR_RTSP;
1538 compute_real_filename(filename, sizeof(filename) - 1);
1539 } else if (av_match_ext(filename, "sdp")) {
1540 redir_type = REDIR_SDP;
1541 compute_real_filename(filename, sizeof(filename) - 1);
1544 // "redirect" / request to index.html
1545 if (!strlen(filename))
1546 av_strlcpy(filename, "index.html", sizeof(filename) - 1);
1548 stream = first_stream;
1549 while (stream != NULL) {
1550 if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
1552 stream = stream->next;
1554 if (stream == NULL) {
1555 snprintf(msg, sizeof(msg), "File '%s' not found", url);
1556 http_log("File '%s' not found\n", url);
1561 memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
1562 memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
1564 if (stream->stream_type == STREAM_TYPE_REDIRECT) {
1565 c->http_error = 301;
1567 q += snprintf(q, c->buffer_size,
1568 "HTTP/1.0 301 Moved\r\n"
1570 "Content-type: text/html\r\n"
1572 "<html><head><title>Moved</title></head><body>\r\n"
1573 "You should be <a href=\"%s\">redirected</a>.\r\n"
1574 "</body></html>\r\n", stream->feed_filename, stream->feed_filename);
1575 /* prepare output buffer */
1576 c->buffer_ptr = c->buffer;
1578 c->state = HTTPSTATE_SEND_HEADER;
1582 /* If this is WMP, get the rate information */
1583 if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1584 if (modify_current_stream(c, ratebuf)) {
1585 for (i = 0; i < FF_ARRAY_ELEMS(c->feed_streams); i++) {
1586 if (c->switch_feed_streams[i] >= 0)
1587 c->switch_feed_streams[i] = -1;
1592 if (c->post == 0 && stream->stream_type == STREAM_TYPE_LIVE)
1593 current_bandwidth += stream->bandwidth;
1595 /* If already streaming this feed, do not let start another feeder. */
1596 if (stream->feed_opened) {
1597 snprintf(msg, sizeof(msg), "This feed is already being received.");
1598 http_log("Feed '%s' already being received\n", stream->feed_filename);
1602 if (c->post == 0 && max_bandwidth < current_bandwidth) {
1603 c->http_error = 503;
1605 q += snprintf(q, c->buffer_size,
1606 "HTTP/1.0 503 Server too busy\r\n"
1607 "Content-type: text/html\r\n"
1609 "<html><head><title>Too busy</title></head><body>\r\n"
1610 "<p>The server is too busy to serve your request at this time.</p>\r\n"
1611 "<p>The bandwidth being served (including your stream) is %"PRIu64"kbit/sec, "
1612 "and this exceeds the limit of %"PRIu64"kbit/sec.</p>\r\n"
1613 "</body></html>\r\n", current_bandwidth, max_bandwidth);
1614 /* prepare output buffer */
1615 c->buffer_ptr = c->buffer;
1617 c->state = HTTPSTATE_SEND_HEADER;
1621 if (redir_type != REDIR_NONE) {
1624 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1625 if (av_strncasecmp(p, "Host:", 5) == 0) {
1629 p = strchr(p, '\n');
1640 while (isspace(*hostinfo))
1643 eoh = strchr(hostinfo, '\n');
1645 if (eoh[-1] == '\r')
1648 if (eoh - hostinfo < sizeof(hostbuf) - 1) {
1649 memcpy(hostbuf, hostinfo, eoh - hostinfo);
1650 hostbuf[eoh - hostinfo] = 0;
1652 c->http_error = 200;
1654 switch(redir_type) {
1656 q += snprintf(q, c->buffer_size,
1657 "HTTP/1.0 200 ASX Follows\r\n"
1658 "Content-type: video/x-ms-asf\r\n"
1660 "<ASX Version=\"3\">\r\n"
1661 //"<!-- Autogenerated by ffserver -->\r\n"
1662 "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n"
1663 "</ASX>\r\n", hostbuf, filename, info);
1666 q += snprintf(q, c->buffer_size,
1667 "HTTP/1.0 200 RAM Follows\r\n"
1668 "Content-type: audio/x-pn-realaudio\r\n"
1670 "# Autogenerated by ffserver\r\n"
1671 "http://%s/%s%s\r\n", hostbuf, filename, info);
1674 q += snprintf(q, c->buffer_size,
1675 "HTTP/1.0 200 ASF Redirect follows\r\n"
1676 "Content-type: video/x-ms-asf\r\n"
1679 "Ref1=http://%s/%s%s\r\n", hostbuf, filename, info);
1683 char hostname[256], *p;
1684 /* extract only hostname */
1685 av_strlcpy(hostname, hostbuf, sizeof(hostname));
1686 p = strrchr(hostname, ':');
1689 q += snprintf(q, c->buffer_size,
1690 "HTTP/1.0 200 RTSP Redirect follows\r\n"
1691 /* XXX: incorrect mime type ? */
1692 "Content-type: application/x-rtsp\r\n"
1694 "rtsp://%s:%d/%s\r\n", hostname, ntohs(my_rtsp_addr.sin_port), filename);
1700 int sdp_data_size, len;
1701 struct sockaddr_in my_addr;
1703 q += snprintf(q, c->buffer_size,
1704 "HTTP/1.0 200 OK\r\n"
1705 "Content-type: application/sdp\r\n"
1708 len = sizeof(my_addr);
1709 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
1711 /* XXX: should use a dynamic buffer */
1712 sdp_data_size = prepare_sdp_description(stream,
1715 if (sdp_data_size > 0) {
1716 memcpy(q, sdp_data, sdp_data_size);
1728 /* prepare output buffer */
1729 c->buffer_ptr = c->buffer;
1731 c->state = HTTPSTATE_SEND_HEADER;
1737 snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
1741 stream->conns_served++;
1743 /* XXX: add there authenticate and IP match */
1746 /* if post, it means a feed is being sent */
1747 if (!stream->is_feed) {
1748 /* However it might be a status report from WMP! Let us log the
1749 * data as it might come in handy one day. */
1753 for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
1754 if (av_strncasecmp(p, "Pragma: log-line=", 17) == 0) {
1758 if (av_strncasecmp(p, "Pragma: client-id=", 18) == 0)
1759 client_id = strtol(p + 18, 0, 10);
1760 p = strchr(p, '\n');
1768 char *eol = strchr(logline, '\n');
1773 if (eol[-1] == '\r')
1775 http_log("%.*s\n", (int) (eol - logline), logline);
1776 c->suppress_log = 1;
1781 http_log("\nGot request:\n%s\n", c->buffer);
1784 if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
1787 /* Now we have to find the client_id */
1788 for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
1789 if (wmpc->wmp_client_id == client_id)
1793 if (wmpc && modify_current_stream(wmpc, ratebuf))
1794 wmpc->switch_pending = 1;
1797 snprintf(msg, sizeof(msg), "POST command not handled");
1801 if (http_start_receive_data(c) < 0) {
1802 snprintf(msg, sizeof(msg), "could not open feed");
1806 c->state = HTTPSTATE_RECEIVE_DATA;
1811 if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0)
1812 http_log("\nGot request:\n%s\n", c->buffer);
1815 if (c->stream->stream_type == STREAM_TYPE_STATUS)
1818 /* open input stream */
1819 if (open_input_stream(c, info) < 0) {
1820 snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
1824 /* prepare http header */
1826 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
1827 mime_type = c->stream->fmt->mime_type;
1829 mime_type = "application/x-octet-stream";
1830 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
1832 /* for asf, we need extra headers */
1833 if (!strcmp(c->stream->fmt->name,"asf_stream")) {
1834 /* Need to allocate a client id */
1836 c->wmp_client_id = av_lfg_get(&random_state);
1838 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);
1840 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
1841 q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
1843 /* prepare output buffer */
1845 c->buffer_ptr = c->buffer;
1847 c->state = HTTPSTATE_SEND_HEADER;
1850 c->http_error = 404;
1852 q += snprintf(q, c->buffer_size,
1853 "HTTP/1.0 404 Not Found\r\n"
1854 "Content-type: text/html\r\n"
1857 "<head><title>404 Not Found</title></head>\n"
1860 /* prepare output buffer */
1861 c->buffer_ptr = c->buffer;
1863 c->state = HTTPSTATE_SEND_HEADER;
1867 c->http_error = 200; /* horrible : we use this value to avoid
1868 going to the send data state */
1869 c->state = HTTPSTATE_SEND_HEADER;
1873 static void fmt_bytecount(AVIOContext *pb, int64_t count)
1875 static const char suffix[] = " kMGTP";
1878 for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++);
1880 avio_printf(pb, "%"PRId64"%c", count, *s);
1883 static void compute_status(HTTPContext *c)
1892 if (avio_open_dyn_buf(&pb) < 0) {
1893 /* XXX: return an error ? */
1894 c->buffer_ptr = c->buffer;
1895 c->buffer_end = c->buffer;
1899 avio_printf(pb, "HTTP/1.0 200 OK\r\n");
1900 avio_printf(pb, "Content-type: %s\r\n", "text/html");
1901 avio_printf(pb, "Pragma: no-cache\r\n");
1902 avio_printf(pb, "\r\n");
1904 avio_printf(pb, "<html><head><title>%s Status</title>\n", program_name);
1905 if (c->stream->feed_filename[0])
1906 avio_printf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
1907 avio_printf(pb, "</head>\n<body>");
1908 avio_printf(pb, "<h1>%s Status</h1>\n", program_name);
1910 avio_printf(pb, "<h2>Available Streams</h2>\n");
1911 avio_printf(pb, "<table cellspacing=0 cellpadding=4>\n");
1912 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");
1913 stream = first_stream;
1914 while (stream != NULL) {
1915 char sfilename[1024];
1918 if (stream->feed != stream) {
1919 av_strlcpy(sfilename, stream->filename, sizeof(sfilename) - 10);
1920 eosf = sfilename + strlen(sfilename);
1921 if (eosf - sfilename >= 4) {
1922 if (strcmp(eosf - 4, ".asf") == 0)
1923 strcpy(eosf - 4, ".asx");
1924 else if (strcmp(eosf - 3, ".rm") == 0)
1925 strcpy(eosf - 3, ".ram");
1926 else if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
1927 /* generate a sample RTSP director if
1928 unicast. Generate an SDP redirector if
1930 eosf = strrchr(sfilename, '.');
1932 eosf = sfilename + strlen(sfilename);
1933 if (stream->is_multicast)
1934 strcpy(eosf, ".sdp");
1936 strcpy(eosf, ".rtsp");
1940 avio_printf(pb, "<tr><td><a href=\"/%s\">%s</a> ",
1941 sfilename, stream->filename);
1942 avio_printf(pb, "<td align=right> %d <td align=right> ",
1943 stream->conns_served);
1944 fmt_bytecount(pb, stream->bytes_served);
1945 switch(stream->stream_type) {
1946 case STREAM_TYPE_LIVE: {
1947 int audio_bit_rate = 0;
1948 int video_bit_rate = 0;
1949 const char *audio_codec_name = "";
1950 const char *video_codec_name = "";
1951 const char *audio_codec_name_extra = "";
1952 const char *video_codec_name_extra = "";
1954 for(i=0;i<stream->nb_streams;i++) {
1955 AVStream *st = stream->streams[i];
1956 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
1957 switch(st->codec->codec_type) {
1958 case AVMEDIA_TYPE_AUDIO:
1959 audio_bit_rate += st->codec->bit_rate;
1961 if (*audio_codec_name)
1962 audio_codec_name_extra = "...";
1963 audio_codec_name = codec->name;
1966 case AVMEDIA_TYPE_VIDEO:
1967 video_bit_rate += st->codec->bit_rate;
1969 if (*video_codec_name)
1970 video_codec_name_extra = "...";
1971 video_codec_name = codec->name;
1974 case AVMEDIA_TYPE_DATA:
1975 video_bit_rate += st->codec->bit_rate;
1981 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",
1984 video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
1985 audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
1987 avio_printf(pb, "<td>%s", stream->feed->filename);
1989 avio_printf(pb, "<td>%s", stream->feed_filename);
1990 avio_printf(pb, "\n");
1994 avio_printf(pb, "<td align=center> - <td align=right> - <td align=right> - <td><td align=right> - <td>\n");
1998 stream = stream->next;
2000 avio_printf(pb, "</table>\n");
2002 stream = first_stream;
2003 while (stream != NULL) {
2004 if (stream->feed == stream) {
2005 avio_printf(pb, "<h2>Feed %s</h2>", stream->filename);
2007 avio_printf(pb, "Running as pid %d.\n", stream->pid);
2009 #if defined(linux) && !defined(CONFIG_NOCUTILS)
2014 /* This is somewhat linux specific I guess */
2015 snprintf(ps_cmd, sizeof(ps_cmd),
2016 "ps -o \"%%cpu,cputime\" --no-headers %d",
2019 pid_stat = popen(ps_cmd, "r");
2024 if (fscanf(pid_stat, "%10s %64s", cpuperc,
2026 avio_printf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
2034 avio_printf(pb, "<p>");
2036 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");
2038 for (i = 0; i < stream->nb_streams; i++) {
2039 AVStream *st = stream->streams[i];
2040 AVCodec *codec = avcodec_find_encoder(st->codec->codec_id);
2041 const char *type = "unknown";
2042 char parameters[64];
2046 switch(st->codec->codec_type) {
2047 case AVMEDIA_TYPE_AUDIO:
2049 snprintf(parameters, sizeof(parameters), "%d channel(s), %d Hz", st->codec->channels, st->codec->sample_rate);
2051 case AVMEDIA_TYPE_VIDEO:
2053 snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec->width, st->codec->height,
2054 st->codec->qmin, st->codec->qmax, st->codec->time_base.den / st->codec->time_base.num);
2059 avio_printf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
2060 i, type, st->codec->bit_rate/1000, codec ? codec->name : "", parameters);
2062 avio_printf(pb, "</table>\n");
2065 stream = stream->next;
2068 /* connection status */
2069 avio_printf(pb, "<h2>Connection Status</h2>\n");
2071 avio_printf(pb, "Number of connections: %d / %d<br>\n",
2072 nb_connections, nb_max_connections);
2074 avio_printf(pb, "Bandwidth in use: %"PRIu64"k / %"PRIu64"k<br>\n",
2075 current_bandwidth, max_bandwidth);
2077 avio_printf(pb, "<table>\n");
2078 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");
2079 c1 = first_http_ctx;
2081 while (c1 != NULL) {
2087 for (j = 0; j < c1->stream->nb_streams; j++) {
2088 if (!c1->stream->feed)
2089 bitrate += c1->stream->streams[j]->codec->bit_rate;
2090 else if (c1->feed_streams[j] >= 0)
2091 bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec->bit_rate;
2096 p = inet_ntoa(c1->from_addr.sin_addr);
2097 avio_printf(pb, "<tr><td><b>%d</b><td>%s%s<td>%s<td>%s<td>%s<td align=right>",
2099 c1->stream ? c1->stream->filename : "",
2100 c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
2103 http_state[c1->state]);
2104 fmt_bytecount(pb, bitrate);
2105 avio_printf(pb, "<td align=right>");
2106 fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
2107 avio_printf(pb, "<td align=right>");
2108 fmt_bytecount(pb, c1->data_count);
2109 avio_printf(pb, "\n");
2112 avio_printf(pb, "</table>\n");
2117 avio_printf(pb, "<hr size=1 noshade>Generated at %s", p);
2118 avio_printf(pb, "</body>\n</html>\n");
2120 len = avio_close_dyn_buf(pb, &c->pb_buffer);
2121 c->buffer_ptr = c->pb_buffer;
2122 c->buffer_end = c->pb_buffer + len;
2125 static int open_input_stream(HTTPContext *c, const char *info)
2128 char input_filename[1024];
2129 AVFormatContext *s = NULL;
2130 int buf_size, i, ret;
2133 /* find file name */
2134 if (c->stream->feed) {
2135 strcpy(input_filename, c->stream->feed->feed_filename);
2136 buf_size = FFM_PACKET_SIZE;
2137 /* compute position (absolute time) */
2138 if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
2139 if ((ret = av_parse_time(&stream_pos, buf, 0)) < 0)
2141 } else if (av_find_info_tag(buf, sizeof(buf), "buffer", info)) {
2142 int prebuffer = strtol(buf, 0, 10);
2143 stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
2145 stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
2147 strcpy(input_filename, c->stream->feed_filename);
2149 /* compute position (relative time) */
2150 if (av_find_info_tag(buf, sizeof(buf), "date", info)) {
2151 if ((ret = av_parse_time(&stream_pos, buf, 1)) < 0)
2156 if (input_filename[0] == '\0')
2160 if ((ret = avformat_open_input(&s, input_filename, c->stream->ifmt, &c->stream->in_opts)) < 0) {
2161 http_log("could not open %s: %d\n", input_filename, ret);
2165 /* set buffer size */
2166 if (buf_size > 0) ffio_set_buf_size(s->pb, buf_size);
2168 s->flags |= AVFMT_FLAG_GENPTS;
2170 if (strcmp(s->iformat->name, "ffm") && avformat_find_stream_info(c->fmt_in, NULL) < 0) {
2171 http_log("Could not find stream info '%s'\n", input_filename);
2172 avformat_close_input(&s);
2176 /* choose stream as clock source (we favorize video stream if
2177 present) for packet sending */
2178 c->pts_stream_index = 0;
2179 for(i=0;i<c->stream->nb_streams;i++) {
2180 if (c->pts_stream_index == 0 &&
2181 c->stream->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2182 c->pts_stream_index = i;
2186 if (c->fmt_in->iformat->read_seek)
2187 av_seek_frame(c->fmt_in, -1, stream_pos, 0);
2188 /* set the start time (needed for maxtime and RTP packet timing) */
2189 c->start_time = cur_time;
2190 c->first_pts = AV_NOPTS_VALUE;
2194 /* return the server clock (in us) */
2195 static int64_t get_server_clock(HTTPContext *c)
2197 /* compute current pts value from system time */
2198 return (cur_time - c->start_time) * 1000;
2201 /* return the estimated time at which the current packet must be sent
2203 static int64_t get_packet_send_clock(HTTPContext *c)
2205 int bytes_left, bytes_sent, frame_bytes;
2207 frame_bytes = c->cur_frame_bytes;
2208 if (frame_bytes <= 0)
2211 bytes_left = c->buffer_end - c->buffer_ptr;
2212 bytes_sent = frame_bytes - bytes_left;
2213 return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
2218 static int http_prepare_data(HTTPContext *c)
2221 AVFormatContext *ctx;
2223 av_freep(&c->pb_buffer);
2225 case HTTPSTATE_SEND_DATA_HEADER:
2226 memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
2227 av_dict_set(&c->fmt_ctx.metadata, "author" , c->stream->author , 0);
2228 av_dict_set(&c->fmt_ctx.metadata, "comment" , c->stream->comment , 0);
2229 av_dict_set(&c->fmt_ctx.metadata, "copyright", c->stream->copyright, 0);
2230 av_dict_set(&c->fmt_ctx.metadata, "title" , c->stream->title , 0);
2232 c->fmt_ctx.streams = av_mallocz(sizeof(AVStream *) * c->stream->nb_streams);
2234 for(i=0;i<c->stream->nb_streams;i++) {
2236 c->fmt_ctx.streams[i] = av_mallocz(sizeof(AVStream));
2237 /* if file or feed, then just take streams from FFStream struct */
2238 if (!c->stream->feed ||
2239 c->stream->feed == c->stream)
2240 src = c->stream->streams[i];
2242 src = c->stream->feed->streams[c->stream->feed_streams[i]];
2244 *(c->fmt_ctx.streams[i]) = *src;
2245 c->fmt_ctx.streams[i]->priv_data = 0;
2246 c->fmt_ctx.streams[i]->codec->frame_number = 0; /* XXX: should be done in
2247 AVStream, not in codec */
2249 /* set output format parameters */
2250 c->fmt_ctx.oformat = c->stream->fmt;
2251 c->fmt_ctx.nb_streams = c->stream->nb_streams;
2253 c->got_key_frame = 0;
2255 /* prepare header and save header data in a stream */
2256 if (avio_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
2257 /* XXX: potential leak */
2260 c->fmt_ctx.pb->seekable = 0;
2263 * HACK to avoid mpeg ps muxer to spit many underflow errors
2264 * Default value from FFmpeg
2265 * Try to set it use configuration option
2267 c->fmt_ctx.max_delay = (int)(0.7*AV_TIME_BASE);
2269 if (avformat_write_header(&c->fmt_ctx, NULL) < 0) {
2270 http_log("Error writing output header\n");
2273 av_dict_free(&c->fmt_ctx.metadata);
2275 len = avio_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
2276 c->buffer_ptr = c->pb_buffer;
2277 c->buffer_end = c->pb_buffer + len;
2279 c->state = HTTPSTATE_SEND_DATA;
2280 c->last_packet_sent = 0;
2282 case HTTPSTATE_SEND_DATA:
2283 /* find a new packet */
2284 /* read a packet from the input stream */
2285 if (c->stream->feed)
2286 ffm_set_write_index(c->fmt_in,
2287 c->stream->feed->feed_write_index,
2288 c->stream->feed->feed_size);
2290 if (c->stream->max_time &&
2291 c->stream->max_time + c->start_time - cur_time < 0)
2292 /* We have timed out */
2293 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2297 ret = av_read_frame(c->fmt_in, &pkt);
2299 if (c->stream->feed) {
2300 /* if coming from feed, it means we reached the end of the
2301 ffm file, so must wait for more data */
2302 c->state = HTTPSTATE_WAIT_FEED;
2303 return 1; /* state changed */
2304 } else if (ret == AVERROR(EAGAIN)) {
2305 /* input not ready, come back later */
2308 if (c->stream->loop) {
2309 avformat_close_input(&c->fmt_in);
2310 if (open_input_stream(c, "") < 0)
2315 /* must send trailer now because eof or error */
2316 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2320 int source_index = pkt.stream_index;
2321 /* update first pts if needed */
2322 if (c->first_pts == AV_NOPTS_VALUE) {
2323 c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
2324 c->start_time = cur_time;
2326 /* send it to the appropriate stream */
2327 if (c->stream->feed) {
2328 /* if coming from a feed, select the right stream */
2329 if (c->switch_pending) {
2330 c->switch_pending = 0;
2331 for(i=0;i<c->stream->nb_streams;i++) {
2332 if (c->switch_feed_streams[i] == pkt.stream_index)
2333 if (pkt.flags & AV_PKT_FLAG_KEY)
2334 c->switch_feed_streams[i] = -1;
2335 if (c->switch_feed_streams[i] >= 0)
2336 c->switch_pending = 1;
2339 for(i=0;i<c->stream->nb_streams;i++) {
2340 if (c->stream->feed_streams[i] == pkt.stream_index) {
2341 AVStream *st = c->fmt_in->streams[source_index];
2342 pkt.stream_index = i;
2343 if (pkt.flags & AV_PKT_FLAG_KEY &&
2344 (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2345 c->stream->nb_streams == 1))
2346 c->got_key_frame = 1;
2347 if (!c->stream->send_on_key || c->got_key_frame)
2352 AVCodecContext *codec;
2353 AVStream *ist, *ost;
2355 ist = c->fmt_in->streams[source_index];
2356 /* specific handling for RTP: we use several
2357 output stream (one for each RTP
2358 connection). XXX: need more abstract handling */
2359 if (c->is_packetized) {
2360 /* compute send time and duration */
2361 c->cur_pts = av_rescale_q(pkt.dts, ist->time_base, AV_TIME_BASE_Q);
2362 c->cur_pts -= c->first_pts;
2363 c->cur_frame_duration = av_rescale_q(pkt.duration, ist->time_base, AV_TIME_BASE_Q);
2364 /* find RTP context */
2365 c->packet_stream_index = pkt.stream_index;
2366 ctx = c->rtp_ctx[c->packet_stream_index];
2368 av_free_packet(&pkt);
2371 codec = ctx->streams[0]->codec;
2372 /* only one stream per RTP connection */
2373 pkt.stream_index = 0;
2377 codec = ctx->streams[pkt.stream_index]->codec;
2380 if (c->is_packetized) {
2381 int max_packet_size;
2382 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP)
2383 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
2385 max_packet_size = c->rtp_handles[c->packet_stream_index]->max_packet_size;
2386 ret = ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size);
2388 ret = avio_open_dyn_buf(&ctx->pb);
2391 /* XXX: potential leak */
2394 ost = ctx->streams[pkt.stream_index];
2396 ctx->pb->seekable = 0;
2397 if (pkt.dts != AV_NOPTS_VALUE)
2398 pkt.dts = av_rescale_q(pkt.dts, ist->time_base, ost->time_base);
2399 if (pkt.pts != AV_NOPTS_VALUE)
2400 pkt.pts = av_rescale_q(pkt.pts, ist->time_base, ost->time_base);
2401 pkt.duration = av_rescale_q(pkt.duration, ist->time_base, ost->time_base);
2402 if (av_write_frame(ctx, &pkt) < 0) {
2403 http_log("Error writing frame to output\n");
2404 c->state = HTTPSTATE_SEND_DATA_TRAILER;
2407 len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
2408 c->cur_frame_bytes = len;
2409 c->buffer_ptr = c->pb_buffer;
2410 c->buffer_end = c->pb_buffer + len;
2412 codec->frame_number++;
2414 av_free_packet(&pkt);
2418 av_free_packet(&pkt);
2423 case HTTPSTATE_SEND_DATA_TRAILER:
2424 /* last packet test ? */
2425 if (c->last_packet_sent || c->is_packetized)
2428 /* prepare header */
2429 if (avio_open_dyn_buf(&ctx->pb) < 0) {
2430 /* XXX: potential leak */
2433 c->fmt_ctx.pb->seekable = 0;
2434 av_write_trailer(ctx);
2435 len = avio_close_dyn_buf(ctx->pb, &c->pb_buffer);
2436 c->buffer_ptr = c->pb_buffer;
2437 c->buffer_end = c->pb_buffer + len;
2439 c->last_packet_sent = 1;
2445 /* should convert the format at the same time */
2446 /* send data starting at c->buffer_ptr to the output connection
2447 (either UDP or TCP connection) */
2448 static int http_send_data(HTTPContext *c)
2453 if (c->buffer_ptr >= c->buffer_end) {
2454 ret = http_prepare_data(c);
2458 /* state change requested */
2461 if (c->is_packetized) {
2462 /* RTP data output */
2463 len = c->buffer_end - c->buffer_ptr;
2465 /* fail safe - should never happen */
2467 c->buffer_ptr = c->buffer_end;
2470 len = (c->buffer_ptr[0] << 24) |
2471 (c->buffer_ptr[1] << 16) |
2472 (c->buffer_ptr[2] << 8) |
2474 if (len > (c->buffer_end - c->buffer_ptr))
2476 if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
2477 /* nothing to send yet: we can wait */
2481 c->data_count += len;
2482 update_datarate(&c->datarate, c->data_count);
2484 c->stream->bytes_served += len;
2486 if (c->rtp_protocol == RTSP_LOWER_TRANSPORT_TCP) {
2487 /* RTP packets are sent inside the RTSP TCP connection */
2489 int interleaved_index, size;
2491 HTTPContext *rtsp_c;
2494 /* if no RTSP connection left, error */
2497 /* if already sending something, then wait. */
2498 if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST)
2500 if (avio_open_dyn_buf(&pb) < 0)
2502 interleaved_index = c->packet_stream_index * 2;
2503 /* RTCP packets are sent at odd indexes */
2504 if (c->buffer_ptr[1] == 200)
2505 interleaved_index++;
2506 /* write RTSP TCP header */
2508 header[1] = interleaved_index;
2509 header[2] = len >> 8;
2511 avio_write(pb, header, 4);
2512 /* write RTP packet data */
2514 avio_write(pb, c->buffer_ptr, len);
2515 size = avio_close_dyn_buf(pb, &c->packet_buffer);
2516 /* prepare asynchronous TCP sending */
2517 rtsp_c->packet_buffer_ptr = c->packet_buffer;
2518 rtsp_c->packet_buffer_end = c->packet_buffer + size;
2519 c->buffer_ptr += len;
2521 /* send everything we can NOW */
2522 len = send(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
2523 rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr, 0);
2525 rtsp_c->packet_buffer_ptr += len;
2526 if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
2527 /* if we could not send all the data, we will
2528 send it later, so a new state is needed to
2529 "lock" the RTSP TCP connection */
2530 rtsp_c->state = RTSPSTATE_SEND_PACKET;
2533 /* all data has been sent */
2534 av_freep(&c->packet_buffer);
2536 /* send RTP packet directly in UDP */
2538 ffurl_write(c->rtp_handles[c->packet_stream_index],
2539 c->buffer_ptr, len);
2540 c->buffer_ptr += len;
2541 /* here we continue as we can send several packets per 10 ms slot */
2544 /* TCP data output */
2545 len = send(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr, 0);
2547 if (ff_neterrno() != AVERROR(EAGAIN) &&
2548 ff_neterrno() != AVERROR(EINTR))
2549 /* error : close connection */
2554 c->buffer_ptr += len;
2556 c->data_count += len;
2557 update_datarate(&c->datarate, c->data_count);
2559 c->stream->bytes_served += len;
2567 static int http_start_receive_data(HTTPContext *c)
2571 if (c->stream->feed_opened)
2574 /* Don't permit writing to this one */
2575 if (c->stream->readonly)
2579 fd = open(c->stream->feed_filename, O_RDWR);
2581 http_log("Error opening feeder file: %s\n", strerror(errno));
2586 if (c->stream->truncate) {
2587 /* truncate feed file */
2588 ffm_write_write_index(c->feed_fd, FFM_PACKET_SIZE);
2589 ftruncate(c->feed_fd, FFM_PACKET_SIZE);
2590 http_log("Truncating feed file '%s'\n", c->stream->feed_filename);
2592 if ((c->stream->feed_write_index = ffm_read_write_index(fd)) < 0) {
2593 http_log("Error reading write index from feed file: %s\n", strerror(errno));
2598 c->stream->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
2599 c->stream->feed_size = lseek(fd, 0, SEEK_END);
2600 lseek(fd, 0, SEEK_SET);
2602 /* init buffer input */
2603 c->buffer_ptr = c->buffer;
2604 c->buffer_end = c->buffer + FFM_PACKET_SIZE;
2605 c->stream->feed_opened = 1;
2606 c->chunked_encoding = !!av_stristr(c->buffer, "Transfer-Encoding: chunked");
2610 static int http_receive_data(HTTPContext *c)
2613 int len, loop_run = 0;
2615 while (c->chunked_encoding && !c->chunk_size &&
2616 c->buffer_end > c->buffer_ptr) {
2617 /* read chunk header, if present */
2618 len = recv(c->fd, c->buffer_ptr, 1, 0);
2621 if (ff_neterrno() != AVERROR(EAGAIN) &&
2622 ff_neterrno() != AVERROR(EINTR))
2623 /* error : close connection */
2626 } else if (len == 0) {
2627 /* end of connection : close it */
2629 } else if (c->buffer_ptr - c->buffer >= 2 &&
2630 !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
2631 c->chunk_size = strtol(c->buffer, 0, 16);
2632 if (c->chunk_size == 0) // end of stream
2634 c->buffer_ptr = c->buffer;
2636 } else if (++loop_run > 10) {
2637 /* no chunk header, abort */
2644 if (c->buffer_end > c->buffer_ptr) {
2645 len = recv(c->fd, c->buffer_ptr,
2646 FFMIN(c->chunk_size, c->buffer_end - c->buffer_ptr), 0);
2648 if (ff_neterrno() != AVERROR(EAGAIN) &&
2649 ff_neterrno() != AVERROR(EINTR))
2650 /* error : close connection */
2652 } else if (len == 0)
2653 /* end of connection : close it */
2656 c->chunk_size -= len;
2657 c->buffer_ptr += len;
2658 c->data_count += len;
2659 update_datarate(&c->datarate, c->data_count);
2663 if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
2664 if (c->buffer[0] != 'f' ||
2665 c->buffer[1] != 'm') {
2666 http_log("Feed stream has become desynchronized -- disconnecting\n");
2671 if (c->buffer_ptr >= c->buffer_end) {
2672 FFStream *feed = c->stream;
2673 /* a packet has been received : write it in the store, except
2675 if (c->data_count > FFM_PACKET_SIZE) {
2677 // printf("writing pos=0x%"PRIx64" size=0x%"PRIx64"\n", feed->feed_write_index, feed->feed_size);
2678 /* XXX: use llseek or url_seek */
2679 lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
2680 if (write(c->feed_fd, c->buffer, FFM_PACKET_SIZE) < 0) {
2681 http_log("Error writing to feed file: %s\n", strerror(errno));
2685 feed->feed_write_index += FFM_PACKET_SIZE;
2686 /* update file size */
2687 if (feed->feed_write_index > c->stream->feed_size)
2688 feed->feed_size = feed->feed_write_index;
2690 /* handle wrap around if max file size reached */
2691 if (c->stream->feed_max_size && feed->feed_write_index >= c->stream->feed_max_size)
2692 feed->feed_write_index = FFM_PACKET_SIZE;
2695 if (ffm_write_write_index(c->feed_fd, feed->feed_write_index) < 0) {
2696 http_log("Error writing index to feed file: %s\n", strerror(errno));
2700 /* wake up any waiting connections */
2701 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2702 if (c1->state == HTTPSTATE_WAIT_FEED &&
2703 c1->stream->feed == c->stream->feed)
2704 c1->state = HTTPSTATE_SEND_DATA;
2707 /* We have a header in our hands that contains useful data */
2708 AVFormatContext *s = avformat_alloc_context();
2710 AVInputFormat *fmt_in;
2716 /* use feed output format name to find corresponding input format */
2717 fmt_in = av_find_input_format(feed->fmt->name);
2721 pb = avio_alloc_context(c->buffer, c->buffer_end - c->buffer,
2722 0, NULL, NULL, NULL, NULL);
2726 if (avformat_open_input(&s, c->stream->feed_filename, fmt_in, NULL) < 0) {
2731 /* Now we have the actual streams */
2732 if (s->nb_streams != feed->nb_streams) {
2733 avformat_close_input(&s);
2735 http_log("Feed '%s' stream number does not match registered feed\n",
2736 c->stream->feed_filename);
2740 for (i = 0; i < s->nb_streams; i++) {
2741 AVStream *fst = feed->streams[i];
2742 AVStream *st = s->streams[i];
2743 avcodec_copy_context(fst->codec, st->codec);
2746 avformat_close_input(&s);
2749 c->buffer_ptr = c->buffer;
2754 c->stream->feed_opened = 0;
2756 /* wake up any waiting connections to stop waiting for feed */
2757 for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
2758 if (c1->state == HTTPSTATE_WAIT_FEED &&
2759 c1->stream->feed == c->stream->feed)
2760 c1->state = HTTPSTATE_SEND_DATA_TRAILER;
2765 /********************************************************************/
2768 static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
2775 switch(error_number) {
2776 case RTSP_STATUS_OK:
2779 case RTSP_STATUS_METHOD:
2780 str = "Method Not Allowed";
2782 case RTSP_STATUS_BANDWIDTH:
2783 str = "Not Enough Bandwidth";
2785 case RTSP_STATUS_SESSION:
2786 str = "Session Not Found";
2788 case RTSP_STATUS_STATE:
2789 str = "Method Not Valid in This State";
2791 case RTSP_STATUS_AGGREGATE:
2792 str = "Aggregate operation not allowed";
2794 case RTSP_STATUS_ONLY_AGGREGATE:
2795 str = "Only aggregate operation allowed";
2797 case RTSP_STATUS_TRANSPORT:
2798 str = "Unsupported transport";
2800 case RTSP_STATUS_INTERNAL:
2801 str = "Internal Server Error";
2803 case RTSP_STATUS_SERVICE:
2804 str = "Service Unavailable";
2806 case RTSP_STATUS_VERSION:
2807 str = "RTSP Version not supported";
2810 str = "Unknown Error";
2814 avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
2815 avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
2817 /* output GMT time */
2820 strftime(buf2, sizeof(buf2), "%a, %d %b %Y %H:%M:%S", tm);
2821 avio_printf(c->pb, "Date: %s GMT\r\n", buf2);
2824 static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
2826 rtsp_reply_header(c, error_number);
2827 avio_printf(c->pb, "\r\n");
2830 static int rtsp_parse_request(HTTPContext *c)
2832 const char *p, *p1, *p2;
2838 RTSPMessageHeader header1, *header = &header1;
2840 c->buffer_ptr[0] = '\0';
2843 get_word(cmd, sizeof(cmd), &p);
2844 get_word(url, sizeof(url), &p);
2845 get_word(protocol, sizeof(protocol), &p);
2847 av_strlcpy(c->method, cmd, sizeof(c->method));
2848 av_strlcpy(c->url, url, sizeof(c->url));
2849 av_strlcpy(c->protocol, protocol, sizeof(c->protocol));
2851 if (avio_open_dyn_buf(&c->pb) < 0) {
2852 /* XXX: cannot do more */
2853 c->pb = NULL; /* safety */
2857 /* check version name */
2858 if (strcmp(protocol, "RTSP/1.0") != 0) {
2859 rtsp_reply_error(c, RTSP_STATUS_VERSION);
2863 /* parse each header line */
2864 memset(header, 0, sizeof(*header));
2865 /* skip to next line */
2866 while (*p != '\n' && *p != '\0')
2870 while (*p != '\0') {
2871 p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
2875 if (p2 > p && p2[-1] == '\r')
2877 /* skip empty line */
2881 if (len > sizeof(line) - 1)
2882 len = sizeof(line) - 1;
2883 memcpy(line, p, len);
2885 ff_rtsp_parse_line(header, line, NULL, NULL);
2889 /* handle sequence number */
2890 c->seq = header->seq;
2892 if (!strcmp(cmd, "DESCRIBE"))
2893 rtsp_cmd_describe(c, url);
2894 else if (!strcmp(cmd, "OPTIONS"))
2895 rtsp_cmd_options(c, url);
2896 else if (!strcmp(cmd, "SETUP"))
2897 rtsp_cmd_setup(c, url, header);
2898 else if (!strcmp(cmd, "PLAY"))
2899 rtsp_cmd_play(c, url, header);
2900 else if (!strcmp(cmd, "PAUSE"))
2901 rtsp_cmd_pause(c, url, header);
2902 else if (!strcmp(cmd, "TEARDOWN"))
2903 rtsp_cmd_teardown(c, url, header);
2905 rtsp_reply_error(c, RTSP_STATUS_METHOD);
2908 len = avio_close_dyn_buf(c->pb, &c->pb_buffer);
2909 c->pb = NULL; /* safety */
2911 /* XXX: cannot do more */
2914 c->buffer_ptr = c->pb_buffer;
2915 c->buffer_end = c->pb_buffer + len;
2916 c->state = RTSPSTATE_SEND_REPLY;
2920 static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
2921 struct in_addr my_ip)
2923 AVFormatContext *avc;
2924 AVStream *avs = NULL;
2927 avc = avformat_alloc_context();
2931 av_dict_set(&avc->metadata, "title",
2932 stream->title[0] ? stream->title : "No Title", 0);
2933 avc->nb_streams = stream->nb_streams;
2934 if (stream->is_multicast) {
2935 snprintf(avc->filename, 1024, "rtp://%s:%d?multicast=1?ttl=%d",
2936 inet_ntoa(stream->multicast_ip),
2937 stream->multicast_port, stream->multicast_ttl);
2939 snprintf(avc->filename, 1024, "rtp://0.0.0.0");
2942 if (avc->nb_streams >= INT_MAX/sizeof(*avc->streams) ||
2943 !(avc->streams = av_malloc(avc->nb_streams * sizeof(*avc->streams))))
2945 if (avc->nb_streams >= INT_MAX/sizeof(*avs) ||
2946 !(avs = av_malloc(avc->nb_streams * sizeof(*avs))))
2949 for(i = 0; i < stream->nb_streams; i++) {
2950 avc->streams[i] = &avs[i];
2951 avc->streams[i]->codec = stream->streams[i]->codec;
2953 *pbuffer = av_mallocz(2048);
2954 av_sdp_create(&avc, 1, *pbuffer, 2048);
2957 av_free(avc->streams);
2958 av_dict_free(&avc->metadata);
2962 return strlen(*pbuffer);
2965 static void rtsp_cmd_options(HTTPContext *c, const char *url)
2967 // rtsp_reply_header(c, RTSP_STATUS_OK);
2968 avio_printf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
2969 avio_printf(c->pb, "CSeq: %d\r\n", c->seq);
2970 avio_printf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
2971 avio_printf(c->pb, "\r\n");
2974 static void rtsp_cmd_describe(HTTPContext *c, const char *url)
2980 int content_length, len;
2981 struct sockaddr_in my_addr;
2983 /* find which url is asked */
2984 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
2989 for(stream = first_stream; stream != NULL; stream = stream->next) {
2990 if (!stream->is_feed &&
2991 stream->fmt && !strcmp(stream->fmt->name, "rtp") &&
2992 !strcmp(path, stream->filename)) {
2996 /* no stream found */
2997 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
3001 /* prepare the media description in sdp format */
3003 /* get the host IP */
3004 len = sizeof(my_addr);
3005 getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
3006 content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
3007 if (content_length < 0) {
3008 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3011 rtsp_reply_header(c, RTSP_STATUS_OK);
3012 avio_printf(c->pb, "Content-Base: %s/\r\n", url);
3013 avio_printf(c->pb, "Content-Type: application/sdp\r\n");
3014 avio_printf(c->pb, "Content-Length: %d\r\n", content_length);
3015 avio_printf(c->pb, "\r\n");
3016 avio_write(c->pb, content, content_length);
3020 static HTTPContext *find_rtp_session(const char *session_id)
3024 if (session_id[0] == '\0')
3027 for(c = first_http_ctx; c != NULL; c = c->next) {
3028 if (!strcmp(c->session_id, session_id))
3034 static RTSPTransportField *find_transport(RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
3036 RTSPTransportField *th;
3039 for(i=0;i<h->nb_transports;i++) {
3040 th = &h->transports[i];
3041 if (th->lower_transport == lower_transport)
3047 static void rtsp_cmd_setup(HTTPContext *c, const char *url,
3048 RTSPMessageHeader *h)
3051 int stream_index, rtp_port, rtcp_port;
3056 RTSPTransportField *th;
3057 struct sockaddr_in dest_addr;
3058 RTSPActionServerSetup setup;
3060 /* find which url is asked */
3061 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3066 /* now check each stream */
3067 for(stream = first_stream; stream != NULL; stream = stream->next) {
3068 if (!stream->is_feed &&
3069 stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3070 /* accept aggregate filenames only if single stream */
3071 if (!strcmp(path, stream->filename)) {
3072 if (stream->nb_streams != 1) {
3073 rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
3080 for(stream_index = 0; stream_index < stream->nb_streams;
3082 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3083 stream->filename, stream_index);
3084 if (!strcmp(path, buf))
3089 /* no stream found */
3090 rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
3094 /* generate session id if needed */
3095 if (h->session_id[0] == '\0')
3096 snprintf(h->session_id, sizeof(h->session_id), "%08x%08x",
3097 av_lfg_get(&random_state), av_lfg_get(&random_state));
3099 /* find rtp session, and create it if none found */
3100 rtp_c = find_rtp_session(h->session_id);
3102 /* always prefer UDP */
3103 th = find_transport(h, RTSP_LOWER_TRANSPORT_UDP);
3105 th = find_transport(h, RTSP_LOWER_TRANSPORT_TCP);
3107 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3112 rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
3113 th->lower_transport);
3115 rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
3119 /* open input stream */
3120 if (open_input_stream(rtp_c, "") < 0) {
3121 rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
3126 /* test if stream is OK (test needed because several SETUP needs
3127 to be done for a given file) */
3128 if (rtp_c->stream != stream) {
3129 rtsp_reply_error(c, RTSP_STATUS_SERVICE);
3133 /* test if stream is already set up */
3134 if (rtp_c->rtp_ctx[stream_index]) {
3135 rtsp_reply_error(c, RTSP_STATUS_STATE);
3139 /* check transport */
3140 th = find_transport(h, rtp_c->rtp_protocol);
3141 if (!th || (th->lower_transport == RTSP_LOWER_TRANSPORT_UDP &&
3142 th->client_port_min <= 0)) {
3143 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3147 /* setup default options */
3148 setup.transport_option[0] = '\0';
3149 dest_addr = rtp_c->from_addr;
3150 dest_addr.sin_port = htons(th->client_port_min);
3153 if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
3154 rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
3158 /* now everything is OK, so we can send the connection parameters */
3159 rtsp_reply_header(c, RTSP_STATUS_OK);
3161 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3163 switch(rtp_c->rtp_protocol) {
3164 case RTSP_LOWER_TRANSPORT_UDP:
3165 rtp_port = ff_rtp_get_local_rtp_port(rtp_c->rtp_handles[stream_index]);
3166 rtcp_port = ff_rtp_get_local_rtcp_port(rtp_c->rtp_handles[stream_index]);
3167 avio_printf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
3168 "client_port=%d-%d;server_port=%d-%d",
3169 th->client_port_min, th->client_port_max,
3170 rtp_port, rtcp_port);
3172 case RTSP_LOWER_TRANSPORT_TCP:
3173 avio_printf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
3174 stream_index * 2, stream_index * 2 + 1);
3179 if (setup.transport_option[0] != '\0')
3180 avio_printf(c->pb, ";%s", setup.transport_option);
3181 avio_printf(c->pb, "\r\n");
3184 avio_printf(c->pb, "\r\n");
3188 /* find an rtp connection by using the session ID. Check consistency
3190 static HTTPContext *find_rtp_session_with_url(const char *url,
3191 const char *session_id)
3199 rtp_c = find_rtp_session(session_id);
3203 /* find which url is asked */
3204 av_url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
3208 if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
3209 for(s=0; s<rtp_c->stream->nb_streams; ++s) {
3210 snprintf(buf, sizeof(buf), "%s/streamid=%d",
3211 rtp_c->stream->filename, s);
3212 if(!strncmp(path, buf, sizeof(buf))) {
3213 // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
3218 if (len > 0 && path[len - 1] == '/' &&
3219 !strncmp(path, rtp_c->stream->filename, len - 1))
3224 static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3228 rtp_c = find_rtp_session_with_url(url, h->session_id);
3230 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3234 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3235 rtp_c->state != HTTPSTATE_WAIT_FEED &&
3236 rtp_c->state != HTTPSTATE_READY) {
3237 rtsp_reply_error(c, RTSP_STATUS_STATE);
3241 rtp_c->state = HTTPSTATE_SEND_DATA;
3243 /* now everything is OK, so we can send the connection parameters */
3244 rtsp_reply_header(c, RTSP_STATUS_OK);
3246 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3247 avio_printf(c->pb, "\r\n");
3250 static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3254 rtp_c = find_rtp_session_with_url(url, h->session_id);
3256 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3260 if (rtp_c->state != HTTPSTATE_SEND_DATA &&
3261 rtp_c->state != HTTPSTATE_WAIT_FEED) {
3262 rtsp_reply_error(c, RTSP_STATUS_STATE);
3266 rtp_c->state = HTTPSTATE_READY;
3267 rtp_c->first_pts = AV_NOPTS_VALUE;
3268 /* now everything is OK, so we can send the connection parameters */
3269 rtsp_reply_header(c, RTSP_STATUS_OK);
3271 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3272 avio_printf(c->pb, "\r\n");
3275 static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPMessageHeader *h)
3279 rtp_c = find_rtp_session_with_url(url, h->session_id);
3281 rtsp_reply_error(c, RTSP_STATUS_SESSION);
3285 /* now everything is OK, so we can send the connection parameters */
3286 rtsp_reply_header(c, RTSP_STATUS_OK);
3288 avio_printf(c->pb, "Session: %s\r\n", rtp_c->session_id);
3289 avio_printf(c->pb, "\r\n");
3291 /* abort the session */
3292 close_connection(rtp_c);
3296 /********************************************************************/
3299 static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
3300 FFStream *stream, const char *session_id,
3301 enum RTSPLowerTransport rtp_protocol)
3303 HTTPContext *c = NULL;
3304 const char *proto_str;
3306 /* XXX: should output a warning page when coming
3307 close to the connection limit */
3308 if (nb_connections >= nb_max_connections)
3311 /* add a new connection */
3312 c = av_mallocz(sizeof(HTTPContext));
3317 c->poll_entry = NULL;
3318 c->from_addr = *from_addr;
3319 c->buffer_size = IOBUFFER_INIT_SIZE;
3320 c->buffer = av_malloc(c->buffer_size);
3325 av_strlcpy(c->session_id, session_id, sizeof(c->session_id));
3326 c->state = HTTPSTATE_READY;
3327 c->is_packetized = 1;
3328 c->rtp_protocol = rtp_protocol;
3330 /* protocol is shown in statistics */
3331 switch(c->rtp_protocol) {
3332 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3333 proto_str = "MCAST";
3335 case RTSP_LOWER_TRANSPORT_UDP:
3338 case RTSP_LOWER_TRANSPORT_TCP:
3345 av_strlcpy(c->protocol, "RTP/", sizeof(c->protocol));
3346 av_strlcat(c->protocol, proto_str, sizeof(c->protocol));
3348 current_bandwidth += stream->bandwidth;
3350 c->next = first_http_ctx;
3362 /* add a new RTP stream in an RTP connection (used in RTSP SETUP
3363 command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
3365 static int rtp_new_av_stream(HTTPContext *c,
3366 int stream_index, struct sockaddr_in *dest_addr,
3367 HTTPContext *rtsp_c)
3369 AVFormatContext *ctx;
3372 URLContext *h = NULL;
3374 int max_packet_size;
3376 /* now we can open the relevant output stream */
3377 ctx = avformat_alloc_context();
3380 ctx->oformat = av_guess_format("rtp", NULL, NULL);
3382 st = av_mallocz(sizeof(AVStream));
3385 ctx->nb_streams = 1;
3386 ctx->streams = av_mallocz(sizeof(AVStream *) * ctx->nb_streams);
3389 ctx->streams[0] = st;
3391 if (!c->stream->feed ||
3392 c->stream->feed == c->stream)
3393 memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
3396 c->stream->feed->streams[c->stream->feed_streams[stream_index]],
3398 st->priv_data = NULL;
3400 /* build destination RTP address */
3401 ipaddr = inet_ntoa(dest_addr->sin_addr);
3403 switch(c->rtp_protocol) {
3404 case RTSP_LOWER_TRANSPORT_UDP:
3405 case RTSP_LOWER_TRANSPORT_UDP_MULTICAST:
3408 /* XXX: also pass as parameter to function ? */
3409 if (c->stream->is_multicast) {
3411 ttl = c->stream->multicast_ttl;
3414 snprintf(ctx->filename, sizeof(ctx->filename),
3415 "rtp://%s:%d?multicast=1&ttl=%d",
3416 ipaddr, ntohs(dest_addr->sin_port), ttl);
3418 snprintf(ctx->filename, sizeof(ctx->filename),
3419 "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
3422 if (ffurl_open(&h, ctx->filename, AVIO_FLAG_WRITE, NULL, NULL) < 0)
3424 c->rtp_handles[stream_index] = h;
3425 max_packet_size = h->max_packet_size;
3427 case RTSP_LOWER_TRANSPORT_TCP:
3430 max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
3436 http_log("%s:%d - - \"PLAY %s/streamid=%d %s\"\n",
3437 ipaddr, ntohs(dest_addr->sin_port),
3438 c->stream->filename, stream_index, c->protocol);
3440 /* normally, no packets should be output here, but the packet size may be checked */
3441 if (ffio_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
3442 /* XXX: close stream */
3445 if (avformat_write_header(ctx, NULL) < 0) {
3452 avio_close_dyn_buf(ctx->pb, &dummy_buf);
3455 c->rtp_ctx[stream_index] = ctx;
3459 /********************************************************************/
3460 /* ffserver initialization */
3462 static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
3466 fst = av_mallocz(sizeof(AVStream));
3470 fst->codec = avcodec_alloc_context3(NULL);
3471 memcpy(fst->codec, codec, sizeof(AVCodecContext));
3472 if (codec->extradata_size) {
3473 fst->codec->extradata = av_malloc(codec->extradata_size);
3474 memcpy(fst->codec->extradata, codec->extradata,
3475 codec->extradata_size);
3478 /* live streams must use the actual feed's codec since it may be
3479 * updated later to carry extradata needed by the streams.
3483 fst->priv_data = av_mallocz(sizeof(FeedData));
3484 fst->index = stream->nb_streams;
3485 avpriv_set_pts_info(fst, 33, 1, 90000);
3486 fst->sample_aspect_ratio = codec->sample_aspect_ratio;
3487 stream->streams[stream->nb_streams++] = fst;
3491 /* return the stream number in the feed */
3492 static int add_av_stream(FFStream *feed, AVStream *st)
3495 AVCodecContext *av, *av1;
3499 for(i=0;i<feed->nb_streams;i++) {
3500 st = feed->streams[i];
3502 if (av1->codec_id == av->codec_id &&
3503 av1->codec_type == av->codec_type &&
3504 av1->bit_rate == av->bit_rate) {
3506 switch(av->codec_type) {
3507 case AVMEDIA_TYPE_AUDIO:
3508 if (av1->channels == av->channels &&
3509 av1->sample_rate == av->sample_rate)
3512 case AVMEDIA_TYPE_VIDEO:
3513 if (av1->width == av->width &&
3514 av1->height == av->height &&
3515 av1->time_base.den == av->time_base.den &&
3516 av1->time_base.num == av->time_base.num &&
3517 av1->gop_size == av->gop_size)
3526 fst = add_av_stream1(feed, av, 0);
3529 return feed->nb_streams - 1;
3532 static void remove_stream(FFStream *stream)
3536 while (*ps != NULL) {
3544 /* specific mpeg4 handling : we extract the raw parameters */
3545 static void extract_mpeg4_header(AVFormatContext *infile)
3547 int mpeg4_count, i, size;
3553 for(i=0;i<infile->nb_streams;i++) {
3554 st = infile->streams[i];
3555 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3556 st->codec->extradata_size == 0) {
3563 printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
3564 while (mpeg4_count > 0) {
3565 if (av_read_packet(infile, &pkt) < 0)
3567 st = infile->streams[pkt.stream_index];
3568 if (st->codec->codec_id == CODEC_ID_MPEG4 &&
3569 st->codec->extradata_size == 0) {
3570 av_freep(&st->codec->extradata);
3571 /* fill extradata with the header */
3572 /* XXX: we make hard suppositions here ! */
3574 while (p < pkt.data + pkt.size - 4) {
3575 /* stop when vop header is found */
3576 if (p[0] == 0x00 && p[1] == 0x00 &&
3577 p[2] == 0x01 && p[3] == 0xb6) {
3578 size = p - pkt.data;
3579 // av_hex_dump_log(infile, AV_LOG_DEBUG, pkt.data, size);
3580 st->codec->extradata = av_malloc(size);
3581 st->codec->extradata_size = size;
3582 memcpy(st->codec->extradata, pkt.data, size);
3589 av_free_packet(&pkt);
3593 /* compute the needed AVStream for each file */
3594 static void build_file_streams(void)
3596 FFStream *stream, *stream_next;
3599 /* gather all streams */
3600 for(stream = first_stream; stream != NULL; stream = stream_next) {
3601 AVFormatContext *infile = NULL;
3602 stream_next = stream->next;
3603 if (stream->stream_type == STREAM_TYPE_LIVE &&
3605 /* the stream comes from a file */
3606 /* try to open the file */
3608 if (stream->fmt && !strcmp(stream->fmt->name, "rtp")) {
3609 /* specific case : if transport stream output to RTP,
3610 we use a raw transport stream reader */
3611 av_dict_set(&stream->in_opts, "mpeg2ts_compute_pcr", "1", 0);
3614 http_log("Opening file '%s'\n", stream->feed_filename);
3615 if ((ret = avformat_open_input(&infile, stream->feed_filename, stream->ifmt, &stream->in_opts)) < 0) {
3616 http_log("Could not open '%s': %d\n", stream->feed_filename, ret);
3617 /* remove stream (no need to spend more time on it) */
3619 remove_stream(stream);
3621 /* find all the AVStreams inside and reference them in
3623 if (avformat_find_stream_info(infile, NULL) < 0) {
3624 http_log("Could not find codec parameters from '%s'\n",
3625 stream->feed_filename);
3626 avformat_close_input(&infile);
3629 extract_mpeg4_header(infile);
3631 for(i=0;i<infile->nb_streams;i++)
3632 add_av_stream1(stream, infile->streams[i]->codec, 1);
3634 avformat_close_input(&infile);
3640 /* compute the needed AVStream for each feed */
3641 static void build_feed_streams(void)
3643 FFStream *stream, *feed;
3646 /* gather all streams */
3647 for(stream = first_stream; stream != NULL; stream = stream->next) {
3648 feed = stream->feed;
3650 if (stream->is_feed) {
3651 for(i=0;i<stream->nb_streams;i++)
3652 stream->feed_streams[i] = i;
3654 /* we handle a stream coming from a feed */
3655 for(i=0;i<stream->nb_streams;i++)
3656 stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
3661 /* create feed files if needed */
3662 for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
3665 if (avio_check(feed->feed_filename, AVIO_FLAG_READ) > 0) {
3666 /* See if it matches */
3667 AVFormatContext *s = NULL;
3670 if (avformat_open_input(&s, feed->feed_filename, NULL, NULL) >= 0) {
3671 /* set buffer size */
3672 ffio_set_buf_size(s->pb, FFM_PACKET_SIZE);
3673 /* Now see if it matches */
3674 if (s->nb_streams == feed->nb_streams) {
3676 for(i=0;i<s->nb_streams;i++) {
3678 sf = feed->streams[i];
3681 if (sf->index != ss->index ||
3683 http_log("Index & Id do not match for stream %d (%s)\n",
3684 i, feed->feed_filename);
3687 AVCodecContext *ccf, *ccs;
3691 #define CHECK_CODEC(x) (ccf->x != ccs->x)
3693 if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
3694 http_log("Codecs do not match for stream %d\n", i);
3696 } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
3697 http_log("Codec bitrates do not match for stream %d\n", i);
3699 } else if (ccf->codec_type == AVMEDIA_TYPE_VIDEO) {
3700 if (CHECK_CODEC(time_base.den) ||
3701 CHECK_CODEC(time_base.num) ||
3702 CHECK_CODEC(width) ||
3703 CHECK_CODEC(height)) {
3704 http_log("Codec width, height and framerate do not match for stream %d\n", i);
3707 } else if (ccf->codec_type == AVMEDIA_TYPE_AUDIO) {
3708 if (CHECK_CODEC(sample_rate) ||
3709 CHECK_CODEC(channels) ||
3710 CHECK_CODEC(frame_size)) {
3711 http_log("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
3715 http_log("Unknown codec type\n");
3723 http_log("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
3724 feed->feed_filename, s->nb_streams, feed->nb_streams);
3726 avformat_close_input(&s);
3728 http_log("Deleting feed file '%s' as it appears to be corrupt\n",
3729 feed->feed_filename);
3732 if (feed->readonly) {
3733 http_log("Unable to delete feed file '%s' as it is marked readonly\n",
3734 feed->feed_filename);
3737 unlink(feed->feed_filename);
3740 if (avio_check(feed->feed_filename, AVIO_FLAG_WRITE) <= 0) {
3741 AVFormatContext s1 = {0}, *s = &s1;
3743 if (feed->readonly) {
3744 http_log("Unable to create feed file '%s' as it is marked readonly\n",
3745 feed->feed_filename);
3749 /* only write the header of the ffm file */
3750 if (avio_open(&s->pb, feed->feed_filename, AVIO_FLAG_WRITE) < 0) {
3751 http_log("Could not open output feed file '%s'\n",
3752 feed->feed_filename);
3755 s->oformat = feed->fmt;
3756 s->nb_streams = feed->nb_streams;
3757 s->streams = feed->streams;
3758 if (avformat_write_header(s, NULL) < 0) {
3759 http_log("Container doesn't supports the required parameters\n");
3762 /* XXX: need better api */
3763 av_freep(&s->priv_data);
3766 /* get feed size and write index */
3767 fd = open(feed->feed_filename, O_RDONLY);
3769 http_log("Could not open output feed file '%s'\n",
3770 feed->feed_filename);
3774 feed->feed_write_index = FFMAX(ffm_read_write_index(fd), FFM_PACKET_SIZE);
3775 feed->feed_size = lseek(fd, 0, SEEK_END);
3776 /* ensure that we do not wrap before the end of file */
3777 if (feed->feed_max_size && feed->feed_max_size < feed->feed_size)
3778 feed->feed_max_size = feed->feed_size;
3784 /* compute the bandwidth used by each stream */
3785 static void compute_bandwidth(void)
3791 for(stream = first_stream; stream != NULL; stream = stream->next) {
3793 for(i=0;i<stream->nb_streams;i++) {
3794 AVStream *st = stream->streams[i];
3795 switch(st->codec->codec_type) {
3796 case AVMEDIA_TYPE_AUDIO:
3797 case AVMEDIA_TYPE_VIDEO:
3798 bandwidth += st->codec->bit_rate;
3804 stream->bandwidth = (bandwidth + 999) / 1000;
3808 /* add a codec and set the default parameters */
3809 static void add_codec(FFStream *stream, AVCodecContext *av)
3813 /* compute default parameters */
3814 switch(av->codec_type) {
3815 case AVMEDIA_TYPE_AUDIO:
3816 if (av->bit_rate == 0)
3817 av->bit_rate = 64000;
3818 if (av->sample_rate == 0)
3819 av->sample_rate = 22050;
3820 if (av->channels == 0)
3823 case AVMEDIA_TYPE_VIDEO:
3824 if (av->bit_rate == 0)
3825 av->bit_rate = 64000;
3826 if (av->time_base.num == 0){
3827 av->time_base.den = 5;
3828 av->time_base.num = 1;
3830 if (av->width == 0 || av->height == 0) {
3834 /* Bitrate tolerance is less for streaming */
3835 if (av->bit_rate_tolerance == 0)
3836 av->bit_rate_tolerance = FFMAX(av->bit_rate / 4,
3837 (int64_t)av->bit_rate*av->time_base.num/av->time_base.den);
3842 if (av->max_qdiff == 0)
3844 av->qcompress = 0.5;
3847 if (!av->nsse_weight)
3848 av->nsse_weight = 8;
3850 av->frame_skip_cmp = FF_CMP_DCTMAX;
3852 av->me_method = ME_EPZS;
3853 av->rc_buffer_aggressivity = 1.0;
3856 av->rc_eq = "tex^qComp";
3857 if (!av->i_quant_factor)
3858 av->i_quant_factor = -0.8;
3859 if (!av->b_quant_factor)
3860 av->b_quant_factor = 1.25;
3861 if (!av->b_quant_offset)
3862 av->b_quant_offset = 1.25;
3863 if (!av->rc_max_rate)
3864 av->rc_max_rate = av->bit_rate * 2;
3866 if (av->rc_max_rate && !av->rc_buffer_size) {
3867 av->rc_buffer_size = av->rc_max_rate;
3876 st = av_mallocz(sizeof(AVStream));
3879 st->codec = avcodec_alloc_context3(NULL);
3880 stream->streams[stream->nb_streams++] = st;
3881 memcpy(st->codec, av, sizeof(AVCodecContext));
3884 static enum CodecID opt_audio_codec(const char *arg)
3886 AVCodec *p= avcodec_find_encoder_by_name(arg);
3888 if (p == NULL || p->type != AVMEDIA_TYPE_AUDIO)
3889 return CODEC_ID_NONE;
3894 static enum CodecID opt_video_codec(const char *arg)
3896 AVCodec *p= avcodec_find_encoder_by_name(arg);
3898 if (p == NULL || p->type != AVMEDIA_TYPE_VIDEO)
3899 return CODEC_ID_NONE;
3904 /* simplistic plugin support */
3907 static void load_module(const char *filename)
3910 void (*init_func)(void);
3911 dll = dlopen(filename, RTLD_NOW);
3913 fprintf(stderr, "Could not load module '%s' - %s\n",
3914 filename, dlerror());
3918 init_func = dlsym(dll, "ffserver_module_init");
3921 "%s: init function 'ffserver_module_init()' not found\n",
3930 static int ffserver_opt_default(const char *opt, const char *arg,
3931 AVCodecContext *avctx, int type)
3934 const AVOption *o = av_opt_find(avctx, opt, NULL, type, 0);
3936 ret = av_opt_set(avctx, opt, arg, 0);
3940 static int ffserver_opt_preset(const char *arg,
3941 AVCodecContext *avctx, int type,
3942 enum CodecID *audio_id, enum CodecID *video_id)
3945 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3947 AVCodec *codec = avcodec_find_encoder(avctx->codec_id);
3949 if (!(f = get_preset_file(filename, sizeof(filename), arg, 0,
3950 codec ? codec->name : NULL))) {
3951 fprintf(stderr, "File for preset '%s' not found\n", arg);
3956 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3957 if(line[0] == '#' && !e)
3959 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3961 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3965 if(!strcmp(tmp, "acodec")){
3966 *audio_id = opt_audio_codec(tmp2);
3967 }else if(!strcmp(tmp, "vcodec")){
3968 *video_id = opt_video_codec(tmp2);
3969 }else if(!strcmp(tmp, "scodec")){
3970 /* opt_subtitle_codec(tmp2); */
3971 }else if(ffserver_opt_default(tmp, tmp2, avctx, type) < 0){
3972 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3983 static AVOutputFormat *ffserver_guess_format(const char *short_name, const char *filename,
3984 const char *mime_type)
3986 AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
3989 AVOutputFormat *stream_fmt;
3990 char stream_format_name[64];
3992 snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
3993 stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
4002 static void report_config_error(const char *filename, int line_num, int *errors, const char *fmt, ...)
4006 fprintf(stderr, "%s:%d: ", filename, line_num);
4007 vfprintf(stderr, fmt, vl);
4013 static int parse_ffconfig(const char *filename)
4020 int val, errors, line_num;
4021 FFStream **last_stream, *stream, *redirect;
4022 FFStream **last_feed, *feed, *s;
4023 AVCodecContext audio_enc, video_enc;
4024 enum CodecID audio_id, video_id;
4026 f = fopen(filename, "r");
4034 first_stream = NULL;
4035 last_stream = &first_stream;
4037 last_feed = &first_feed;
4041 audio_id = CODEC_ID_NONE;
4042 video_id = CODEC_ID_NONE;
4044 #define ERROR(...) report_config_error(filename, line_num, &errors, __VA_ARGS__)
4046 if (fgets(line, sizeof(line), f) == NULL)
4052 if (*p == '\0' || *p == '#')
4055 get_arg(cmd, sizeof(cmd), &p);
4057 if (!av_strcasecmp(cmd, "Port")) {
4058 get_arg(arg, sizeof(arg), &p);
4060 if (val < 1 || val > 65536) {
4061 ERROR("Invalid_port: %s\n", arg);
4063 my_http_addr.sin_port = htons(val);
4064 } else if (!av_strcasecmp(cmd, "BindAddress")) {
4065 get_arg(arg, sizeof(arg), &p);
4066 if (resolve_host(&my_http_addr.sin_addr, arg) != 0) {
4067 ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
4069 } else if (!av_strcasecmp(cmd, "NoDaemon")) {
4070 ffserver_daemon = 0;
4071 } else if (!av_strcasecmp(cmd, "RTSPPort")) {
4072 get_arg(arg, sizeof(arg), &p);
4074 if (val < 1 || val > 65536) {
4075 ERROR("%s:%d: Invalid port: %s\n", arg);
4077 my_rtsp_addr.sin_port = htons(atoi(arg));
4078 } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
4079 get_arg(arg, sizeof(arg), &p);
4080 if (resolve_host(&my_rtsp_addr.sin_addr, arg) != 0) {
4081 ERROR("Invalid host/IP address: %s\n", arg);
4083 } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
4084 get_arg(arg, sizeof(arg), &p);
4086 if (val < 1 || val > 65536) {
4087 ERROR("Invalid MaxHTTPConnections: %s\n", arg);
4089 nb_max_http_connections = val;
4090 } else if (!av_strcasecmp(cmd, "MaxClients")) {
4091 get_arg(arg, sizeof(arg), &p);
4093 if (val < 1 || val > nb_max_http_connections) {
4094 ERROR("Invalid MaxClients: %s\n", arg);
4096 nb_max_connections = val;
4098 } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
4100 get_arg(arg, sizeof(arg), &p);
4102 if (llval < 10 || llval > 10000000) {
4103 ERROR("Invalid MaxBandwidth: %s\n", arg);
4105 max_bandwidth = llval;
4106 } else if (!av_strcasecmp(cmd, "CustomLog")) {
4107 if (!ffserver_debug)
4108 get_arg(logfilename, sizeof(logfilename), &p);
4109 } else if (!av_strcasecmp(cmd, "<Feed")) {
4110 /*********************************************/
4111 /* Feed related options */
4113 if (stream || feed) {
4114 ERROR("Already in a tag\n");
4116 feed = av_mallocz(sizeof(FFStream));
4117 get_arg(feed->filename, sizeof(feed->filename), &p);
4118 q = strrchr(feed->filename, '>');
4122 for (s = first_feed; s; s = s->next) {
4123 if (!strcmp(feed->filename, s->filename)) {
4124 ERROR("Feed '%s' already registered\n", s->filename);
4128 feed->fmt = av_guess_format("ffm", NULL, NULL);
4129 /* defaut feed file */
4130 snprintf(feed->feed_filename, sizeof(feed->feed_filename),
4131 "/tmp/%s.ffm", feed->filename);
4132 feed->feed_max_size = 5 * 1024 * 1024;
4134 feed->feed = feed; /* self feeding :-) */
4136 /* add in stream list */
4137 *last_stream = feed;
4138 last_stream = &feed->next;
4139 /* add in feed list */
4141 last_feed = &feed->next_feed;
4143 } else if (!av_strcasecmp(cmd, "Launch")) {
4147 feed->child_argv = av_mallocz(64 * sizeof(char *));
4149 for (i = 0; i < 62; i++) {
4150 get_arg(arg, sizeof(arg), &p);
4154 feed->child_argv[i] = av_strdup(arg);
4157 feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
4159 snprintf(feed->child_argv[i], 30+strlen(feed->filename),
4161 (my_http_addr.sin_addr.s_addr == INADDR_ANY) ? "127.0.0.1" :
4162 inet_ntoa(my_http_addr.sin_addr),
4163 ntohs(my_http_addr.sin_port), feed->filename);
4165 } else if (!av_strcasecmp(cmd, "ReadOnlyFile")) {
4167 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4169 } else if (stream) {
4170 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4172 } else if (!av_strcasecmp(cmd, "File")) {
4174 get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
4176 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4177 } else if (!av_strcasecmp(cmd, "Truncate")) {
4179 get_arg(arg, sizeof(arg), &p);
4180 feed->truncate = strtod(arg, NULL);
4182 } else if (!av_strcasecmp(cmd, "FileMaxSize")) {
4187 get_arg(arg, sizeof(arg), &p);
4189 fsize = strtod(p1, &p1);
4190 switch(toupper(*p1)) {
4195 fsize *= 1024 * 1024;
4198 fsize *= 1024 * 1024 * 1024;
4201 feed->feed_max_size = (int64_t)fsize;
4202 if (feed->feed_max_size < FFM_PACKET_SIZE*4) {
4203 ERROR("Feed max file size is too small, must be at least %d\n", FFM_PACKET_SIZE*4);
4206 } else if (!av_strcasecmp(cmd, "</Feed>")) {
4208 ERROR("No corresponding <Feed> for </Feed>\n");
4211 } else if (!av_strcasecmp(cmd, "<Stream")) {
4212 /*********************************************/
4213 /* Stream related options */
4215 if (stream || feed) {
4216 ERROR("Already in a tag\n");
4219 stream = av_mallocz(sizeof(FFStream));
4220 get_arg(stream->filename, sizeof(stream->filename), &p);
4221 q = strrchr(stream->filename, '>');
4225 for (s = first_stream; s; s = s->next) {
4226 if (!strcmp(stream->filename, s->filename)) {
4227 ERROR("Stream '%s' already registered\n", s->filename);
4231 stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
4232 avcodec_get_context_defaults3(&video_enc, NULL);
4233 avcodec_get_context_defaults3(&audio_enc, NULL);
4235 audio_id = CODEC_ID_NONE;
4236 video_id = CODEC_ID_NONE;
4238 audio_id = stream->fmt->audio_codec;
4239 video_id = stream->fmt->video_codec;
4242 *last_stream = stream;
4243 last_stream = &stream->next;
4245 } else if (!av_strcasecmp(cmd, "Feed")) {
4246 get_arg(arg, sizeof(arg), &p);
4251 while (sfeed != NULL) {
4252 if (!strcmp(sfeed->filename, arg))
4254 sfeed = sfeed->next_feed;
4257 ERROR("feed '%s' not defined\n", arg);
4259 stream->feed = sfeed;
4261 } else if (!av_strcasecmp(cmd, "Format")) {
4262 get_arg(arg, sizeof(arg), &p);
4264 if (!strcmp(arg, "status")) {
4265 stream->stream_type = STREAM_TYPE_STATUS;
4268 stream->stream_type = STREAM_TYPE_LIVE;
4269 /* jpeg cannot be used here, so use single frame jpeg */
4270 if (!strcmp(arg, "jpeg"))
4271 strcpy(arg, "mjpeg");
4272 stream->fmt = ffserver_guess_format(arg, NULL, NULL);
4274 ERROR("Unknown Format: %s\n", arg);
4278 audio_id = stream->fmt->audio_codec;
4279 video_id = stream->fmt->video_codec;
4282 } else if (!av_strcasecmp(cmd, "InputFormat")) {
4283 get_arg(arg, sizeof(arg), &p);
4285 stream->ifmt = av_find_input_format(arg);
4286 if (!stream->ifmt) {
4287 ERROR("Unknown input format: %s\n", arg);
4290 } else if (!av_strcasecmp(cmd, "FaviconURL")) {
4291 if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
4292 get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
4294 ERROR("FaviconURL only permitted for status streams\n");
4296 } else if (!av_strcasecmp(cmd, "Author")) {
4298 get_arg(stream->author, sizeof(stream->author), &p);
4299 } else if (!av_strcasecmp(cmd, "Comment")) {
4301 get_arg(stream->comment, sizeof(stream->comment), &p);
4302 } else if (!av_strcasecmp(cmd, "Copyright")) {
4304 get_arg(stream->copyright, sizeof(stream->copyright), &p);
4305 } else if (!av_strcasecmp(cmd, "Title")) {
4307 get_arg(stream->title, sizeof(stream->title), &p);
4308 } else if (!av_strcasecmp(cmd, "Preroll")) {
4309 get_arg(arg, sizeof(arg), &p);
4311 stream->prebuffer = atof(arg) * 1000;
4312 } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
4314 stream->send_on_key = 1;
4315 } else if (!av_strcasecmp(cmd, "AudioCodec")) {
4316 get_arg(arg, sizeof(arg), &p);
4317 audio_id = opt_audio_codec(arg);
4318 if (audio_id == CODEC_ID_NONE) {
4319 ERROR("Unknown AudioCodec: %s\n", arg);
4321 } else if (!av_strcasecmp(cmd, "VideoCodec")) {
4322 get_arg(arg, sizeof(arg), &p);
4323 video_id = opt_video_codec(arg);
4324 if (video_id == CODEC_ID_NONE) {
4325 ERROR("Unknown VideoCodec: %s\n", arg);
4327 } else if (!av_strcasecmp(cmd, "MaxTime")) {
4328 get_arg(arg, sizeof(arg), &p);
4330 stream->max_time = atof(arg) * 1000;
4331 } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
4332 get_arg(arg, sizeof(arg), &p);
4334 audio_enc.bit_rate = lrintf(atof(arg) * 1000);
4335 } else if (!av_strcasecmp(cmd, "AudioChannels")) {
4336 get_arg(arg, sizeof(arg), &p);
4338 audio_enc.channels = atoi(arg);
4339 } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
4340 get_arg(arg, sizeof(arg), &p);
4342 audio_enc.sample_rate = atoi(arg);
4343 } else if (!av_strcasecmp(cmd, "AudioQuality")) {
4344 get_arg(arg, sizeof(arg), &p);
4346 // audio_enc.quality = atof(arg) * 1000;
4348 } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
4350 int minrate, maxrate;
4352 get_arg(arg, sizeof(arg), &p);
4354 if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
4355 video_enc.rc_min_rate = minrate * 1000;
4356 video_enc.rc_max_rate = maxrate * 1000;
4358 ERROR("Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n", arg);
4361 } else if (!av_strcasecmp(cmd, "Debug")) {
4363 get_arg(arg, sizeof(arg), &p);
4364 video_enc.debug = strtol(arg,0,0);
4366 } else if (!av_strcasecmp(cmd, "Strict")) {
4368 get_arg(arg, sizeof(arg), &p);
4369 video_enc.strict_std_compliance = atoi(arg);
4371 } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
4373 get_arg(arg, sizeof(arg), &p);
4374 video_enc.rc_buffer_size = atoi(arg) * 8*1024;
4376 } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
4378 get_arg(arg, sizeof(arg), &p);
4379 video_enc.bit_rate_tolerance = atoi(arg) * 1000;
4381 } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
4382 get_arg(arg, sizeof(arg), &p);
4384 video_enc.bit_rate = atoi(arg) * 1000;
4386 } else if (!av_strcasecmp(cmd, "VideoSize")) {
4387 get_arg(arg, sizeof(arg), &p);
4389 av_parse_video_size(&video_enc.width, &video_enc.height, arg);
4390 if ((video_enc.width % 16) != 0 ||
4391 (video_enc.height % 16) != 0) {
4392 ERROR("Image size must be a multiple of 16\n");
4395 } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
4396 get_arg(arg, sizeof(arg), &p);
4398 AVRational frame_rate;
4399 if (av_parse_video_rate(&frame_rate, arg) < 0) {
4400 ERROR("Incorrect frame rate: %s\n", arg);
4402 video_enc.time_base.num = frame_rate.den;
4403 video_enc.time_base.den = frame_rate.num;
4406 } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
4407 get_arg(arg, sizeof(arg), &p);
4409 video_enc.gop_size = atoi(arg);
4410 } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
4412 video_enc.gop_size = 1;
4413 } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
4415 video_enc.mb_decision = FF_MB_DECISION_BITS;
4416 } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
4418 video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
4419 video_enc.flags |= CODEC_FLAG_4MV;
4421 } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
4422 !av_strcasecmp(cmd, "AVOptionAudio")) {
4424 AVCodecContext *avctx;
4426 get_arg(arg, sizeof(arg), &p);
4427 get_arg(arg2, sizeof(arg2), &p);
4428 if (!av_strcasecmp(cmd, "AVOptionVideo")) {
4430 type = AV_OPT_FLAG_VIDEO_PARAM;
4433 type = AV_OPT_FLAG_AUDIO_PARAM;
4435 if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
4436 ERROR("AVOption error: %s %s\n", arg, arg2);
4438 } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
4439 !av_strcasecmp(cmd, "AVPresetAudio")) {
4440 AVCodecContext *avctx;
4442 get_arg(arg, sizeof(arg), &p);
4443 if (!av_strcasecmp(cmd, "AVPresetVideo")) {
4445 video_enc.codec_id = video_id;
4446 type = AV_OPT_FLAG_VIDEO_PARAM;
4449 audio_enc.codec_id = audio_id;
4450 type = AV_OPT_FLAG_AUDIO_PARAM;
4452 if (ffserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &audio_id, &video_id)) {
4453 ERROR("AVPreset error: %s\n", arg);
4455 } else if (!av_strcasecmp(cmd, "VideoTag")) {
4456 get_arg(arg, sizeof(arg), &p);
4457 if ((strlen(arg) == 4) && stream)
4458 video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
4459 } else if (!av_strcasecmp(cmd, "BitExact")) {
4461 video_enc.flags |= CODEC_FLAG_BITEXACT;
4462 } else if (!av_strcasecmp(cmd, "DctFastint")) {
4464 video_enc.dct_algo = FF_DCT_FASTINT;
4465 } else if (!av_strcasecmp(cmd, "IdctSimple")) {
4467 video_enc.idct_algo = FF_IDCT_SIMPLE;
4468 } else if (!av_strcasecmp(cmd, "Qscale")) {
4469 get_arg(arg, sizeof(arg), &p);
4471 video_enc.flags |= CODEC_FLAG_QSCALE;
4472 video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
4474 } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
4475 get_arg(arg, sizeof(arg), &p);
4477 video_enc.max_qdiff = atoi(arg);
4478 if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
4479 ERROR("VideoQDiff out of range\n");
4482 } else if (!av_strcasecmp(cmd, "VideoQMax")) {
4483 get_arg(arg, sizeof(arg), &p);
4485 video_enc.qmax = atoi(arg);
4486 if (video_enc.qmax < 1 || video_enc.qmax > 31) {
4487 ERROR("VideoQMax out of range\n");
4490 } else if (!av_strcasecmp(cmd, "VideoQMin")) {
4491 get_arg(arg, sizeof(arg), &p);
4493 video_enc.qmin = atoi(arg);
4494 if (video_enc.qmin < 1 || video_enc.qmin > 31) {
4495 ERROR("VideoQMin out of range\n");
4498 } else if (!av_strcasecmp(cmd, "LumaElim")) {
4499 get_arg(arg, sizeof(arg), &p);
4501 video_enc.luma_elim_threshold = atoi(arg);
4502 } else if (!av_strcasecmp(cmd, "ChromaElim")) {
4503 get_arg(arg, sizeof(arg), &p);
4505 video_enc.chroma_elim_threshold = atoi(arg);
4506 } else if (!av_strcasecmp(cmd, "LumiMask")) {
4507 get_arg(arg, sizeof(arg), &p);
4509 video_enc.lumi_masking = atof(arg);
4510 } else if (!av_strcasecmp(cmd, "DarkMask")) {
4511 get_arg(arg, sizeof(arg), &p);
4513 video_enc.dark_masking = atof(arg);
4514 } else if (!av_strcasecmp(cmd, "NoVideo")) {
4515 video_id = CODEC_ID_NONE;
4516 } else if (!av_strcasecmp(cmd, "NoAudio")) {
4517 audio_id = CODEC_ID_NONE;
4518 } else if (!av_strcasecmp(cmd, "ACL")) {
4519 parse_acl_row(stream, feed, NULL, p, filename, line_num);
4520 } else if (!av_strcasecmp(cmd, "DynamicACL")) {
4522 get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), &p);
4524 } else if (!av_strcasecmp(cmd, "RTSPOption")) {
4525 get_arg(arg, sizeof(arg), &p);
4527 av_freep(&stream->rtsp_option);
4528 stream->rtsp_option = av_strdup(arg);
4530 } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
4531 get_arg(arg, sizeof(arg), &p);
4533 if (resolve_host(&stream->multicast_ip, arg) != 0) {
4534 ERROR("Invalid host/IP address: %s\n", arg);
4536 stream->is_multicast = 1;
4537 stream->loop = 1; /* default is looping */
4539 } else if (!av_strcasecmp(cmd, "MulticastPort")) {
4540 get_arg(arg, sizeof(arg), &p);
4542 stream->multicast_port = atoi(arg);
4543 } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
4544 get_arg(arg, sizeof(arg), &p);
4546 stream->multicast_ttl = atoi(arg);
4547 } else if (!av_strcasecmp(cmd, "NoLoop")) {
4550 } else if (!av_strcasecmp(cmd, "</Stream>")) {
4552 ERROR("No corresponding <Stream> for </Stream>\n");
4554 if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
4555 if (audio_id != CODEC_ID_NONE) {
4556 audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
4557 audio_enc.codec_id = audio_id;
4558 add_codec(stream, &audio_enc);
4560 if (video_id != CODEC_ID_NONE) {
4561 video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
4562 video_enc.codec_id = video_id;
4563 add_codec(stream, &video_enc);
4568 } else if (!av_strcasecmp(cmd, "<Redirect")) {
4569 /*********************************************/
4571 if (stream || feed || redirect) {
4572 ERROR("Already in a tag\n");
4574 redirect = av_mallocz(sizeof(FFStream));
4575 *last_stream = redirect;
4576 last_stream = &redirect->next;
4578 get_arg(redirect->filename, sizeof(redirect->filename), &p);
4579 q = strrchr(redirect->filename, '>');
4582 redirect->stream_type = STREAM_TYPE_REDIRECT;
4584 } else if (!av_strcasecmp(cmd, "URL")) {
4586 get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
4587 } else if (!av_strcasecmp(cmd, "</Redirect>")) {
4589 ERROR("No corresponding <Redirect> for </Redirect>\n");
4591 if (!redirect->feed_filename[0]) {
4592 ERROR("No URL found for <Redirect>\n");
4596 } else if (!av_strcasecmp(cmd, "LoadModule")) {
4597 get_arg(arg, sizeof(arg), &p);
4601 ERROR("Module support not compiled into this version: '%s'\n", arg);
4604 ERROR("Incorrect keyword: '%s'\n", cmd);
4616 static void handle_child_exit(int sig)
4621 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
4624 for (feed = first_feed; feed; feed = feed->next) {
4625 if (feed->pid == pid) {
4626 int uptime = time(0) - feed->pid_start;
4629 fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
4632 /* Turn off any more restarts */
4633 feed->child_argv = 0;
4638 need_to_start_children = 1;
4641 static void opt_debug(void)
4644 ffserver_daemon = 0;
4645 logfilename[0] = '-';
4648 static int opt_help(const char *opt, const char *arg)
4650 printf("usage: ffserver [options]\n"
4651 "Hyper fast multi format Audio/Video streaming server\n");
4653 show_help_options(options, "Main options:\n", 0, 0);
4657 static const OptionDef options[] = {
4658 #include "cmdutils_common_opts.h"
4659 { "n", OPT_BOOL, {(void *)&no_launch }, "enable no-launch mode" },
4660 { "d", 0, {(void*)opt_debug}, "enable debug mode" },
4661 { "f", HAS_ARG | OPT_STRING, {(void*)&config_filename }, "use configfile instead of /etc/ffserver.conf", "configfile" },
4665 int main(int argc, char **argv)
4667 struct sigaction sigact;
4669 parse_loglevel(argc, argv, options);
4671 avformat_network_init();
4673 show_banner(argc, argv, options);
4675 my_program_name = argv[0];
4676 my_program_dir = getcwd(0, 0);
4677 ffserver_daemon = 1;
4679 parse_options(NULL, argc, argv, options, NULL);
4681 unsetenv("http_proxy"); /* Kill the http_proxy */
4683 av_lfg_init(&random_state, av_get_random_seed());
4685 memset(&sigact, 0, sizeof(sigact));
4686 sigact.sa_handler = handle_child_exit;
4687 sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
4688 sigaction(SIGCHLD, &sigact, 0);
4690 if (parse_ffconfig(config_filename) < 0) {
4691 fprintf(stderr, "Incorrect config file - exiting.\n");
4695 /* open log file if needed */
4696 if (logfilename[0] != '\0') {
4697 if (!strcmp(logfilename, "-"))
4700 logfile = fopen(logfilename, "a");
4701 av_log_set_callback(http_av_log);
4704 build_file_streams();
4706 build_feed_streams();
4708 compute_bandwidth();
4710 /* put the process in background and detach it from its TTY */
4711 if (ffserver_daemon) {
4718 } else if (pid > 0) {
4725 open("/dev/null", O_RDWR);
4726 if (strcmp(logfilename, "-") != 0) {
4736 signal(SIGPIPE, SIG_IGN);
4738 if (ffserver_daemon)
4741 if (http_server() < 0) {
4742 http_log("Could not start server\n");