/*
* Multiple format streaming server
- * Copyright (c) 2000, 2001, 2002 Gerard Lantau.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#define HAVE_AV_CONFIG_H
+#include "avformat.h"
+
#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <netinet/in.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <errno.h>
#include <sys/time.h>
+#undef time //needed because HAVE_AV_CONFIG_H is defined on top
#include <time.h>
-#include <getopt.h>
#include <sys/types.h>
#include <sys/socket.h>
+#include <sys/wait.h>
+#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
-#include <ctype.h>
#include <signal.h>
-#include <assert.h>
+#ifdef CONFIG_HAVE_DLFCN
+#include <dlfcn.h>
+#endif
-#include "bswap.h" // needed for the bitstream writer in common.h which is included in avformat.h
-#include "avformat.h"
+#include "ffserver.h"
/* maximum number of simultaneous HTTP connections */
#define HTTP_MAX_CONNECTIONS 2000
HTTPSTATE_WAIT_REQUEST,
HTTPSTATE_SEND_HEADER,
HTTPSTATE_SEND_DATA_HEADER,
- HTTPSTATE_SEND_DATA,
+ HTTPSTATE_SEND_DATA, /* sending TCP or UDP data */
HTTPSTATE_SEND_DATA_TRAILER,
- HTTPSTATE_RECEIVE_DATA,
- HTTPSTATE_WAIT_FEED,
+ HTTPSTATE_RECEIVE_DATA,
+ HTTPSTATE_WAIT_FEED, /* wait for data from the feed */
+ HTTPSTATE_READY,
+
+ RTSPSTATE_WAIT_REQUEST,
+ RTSPSTATE_SEND_REPLY,
+ RTSPSTATE_SEND_PACKET,
};
const char *http_state[] = {
- "WAIT_REQUEST",
- "SEND_HEADER",
+ "HTTP_WAIT_REQUEST",
+ "HTTP_SEND_HEADER",
+
"SEND_DATA_HEADER",
"SEND_DATA",
"SEND_DATA_TRAILER",
"RECEIVE_DATA",
"WAIT_FEED",
+ "READY",
+
+ "RTSP_WAIT_REQUEST",
+ "RTSP_SEND_REPLY",
+ "RTSP_SEND_PACKET",
};
-#define IOBUFFER_MAX_SIZE 32768
-#define PACKET_MAX_SIZE 16384
+#define IOBUFFER_INIT_SIZE 8192
/* coef for exponential mean for bitrate estimation in statistics */
#define AVG_COEF 0.9
/* timeouts are in ms */
-#define REQUEST_TIMEOUT (15 * 1000)
+#define HTTP_REQUEST_TIMEOUT (15 * 1000)
+#define RTSP_REQUEST_TIMEOUT (3600 * 24 * 1000)
+
#define SYNC_TIMEOUT (10 * 1000)
+typedef struct {
+ int64_t count1, count2;
+ long time1, time2;
+} DataRateData;
+
/* context associated with one connection */
typedef struct HTTPContext {
enum HTTPState state;
struct sockaddr_in from_addr; /* origin */
struct pollfd *poll_entry; /* used when polling */
long timeout;
- UINT8 *buffer_ptr, *buffer_end;
+ uint8_t *buffer_ptr, *buffer_end;
int http_error;
struct HTTPContext *next;
int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */
- INT64 data_count;
+ int64_t data_count;
/* feed input */
int feed_fd;
/* input format handling */
AVFormatContext *fmt_in;
+ long start_time; /* In milliseconds - this wraps fairly often */
+ int64_t first_pts; /* initial pts value */
+ int64_t cur_pts; /* current pts value from the stream in us */
+ int64_t cur_frame_duration; /* duration of the current frame in us */
+ int cur_frame_bytes; /* output frame size, needed to compute
+ the time at which we send each
+ packet */
+ int pts_stream_index; /* stream we choose as clock reference */
+ int64_t cur_clock; /* current clock reference value in us */
/* output format handling */
struct FFStream *stream;
- AVFormatContext fmt_ctx;
+ /* -1 is invalid stream */
+ int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ int switch_feed_streams[MAX_STREAMS]; /* index of streams in the feed */
+ int switch_pending;
+ AVFormatContext fmt_ctx; /* instance of FFStream for one user */
int last_packet_sent; /* true if last data packet was sent */
int suppress_log;
- int bandwidth;
- time_t start_time;
+ DataRateData datarate;
+ int wmp_client_id;
char protocol[16];
char method[16];
char url[128];
- UINT8 buffer[IOBUFFER_MAX_SIZE];
- UINT8 pbuffer[PACKET_MAX_SIZE];
+ int buffer_size;
+ uint8_t *buffer;
+ int is_packetized; /* if true, the stream is packetized */
+ int packet_stream_index; /* current stream for output in state machine */
+
+ /* RTSP state specific */
+ uint8_t *pb_buffer; /* XXX: use that in all the code */
+ ByteIOContext *pb;
+ int seq; /* RTSP sequence number */
+
+ /* RTP state specific */
+ enum RTSPProtocol rtp_protocol;
+ char session_id[32]; /* session id */
+ AVFormatContext *rtp_ctx[MAX_STREAMS];
+
+ /* RTP/UDP specific */
+ URLContext *rtp_handles[MAX_STREAMS];
+
+ /* RTP/TCP specific */
+ struct HTTPContext *rtsp_c;
+ uint8_t *packet_buffer, *packet_buffer_ptr, *packet_buffer_end;
} HTTPContext;
+static AVFrame dummy_frame;
+
/* each generated stream is described here */
enum StreamType {
STREAM_TYPE_LIVE,
STREAM_TYPE_STATUS,
+ STREAM_TYPE_REDIRECT,
+};
+
+enum IPAddressAction {
+ IP_ALLOW = 1,
+ IP_DENY,
};
+typedef struct IPAddressACL {
+ struct IPAddressACL *next;
+ enum IPAddressAction action;
+ /* These are in host order */
+ struct in_addr first;
+ struct in_addr last;
+} IPAddressACL;
+
/* description of each stream of the ffserver.conf file */
typedef struct FFStream {
enum StreamType stream_type;
char filename[1024]; /* stream filename */
- struct FFStream *feed;
+ struct FFStream *feed; /* feed we are using (can be null if
+ coming from file) */
+ AVFormatParameters *ap_in; /* input parameters */
+ AVInputFormat *ifmt; /* if non NULL, force input format */
AVOutputFormat *fmt;
+ IPAddressACL *acl;
int nb_streams;
int prebuffer; /* Number of millseconds early to start */
- time_t max_time;
+ long max_time; /* Number of milliseconds to run */
int send_on_key;
AVStream *streams[MAX_STREAMS];
int feed_streams[MAX_STREAMS]; /* index of streams in the feed */
char feed_filename[1024]; /* file name of the feed storage, or
input file name for a stream */
+ char author[512];
+ char title[512];
+ char copyright[512];
+ char comment[512];
+ pid_t pid; /* Of ffmpeg process */
+ time_t pid_start; /* Of ffmpeg process */
+ char **child_argv;
struct FFStream *next;
+ int bandwidth; /* bandwidth, in kbits/s */
+ /* RTSP options */
+ char *rtsp_option;
+ /* multicast specific */
+ int is_multicast;
+ struct in_addr multicast_ip;
+ int multicast_port; /* first port used for multicast */
+ int multicast_ttl;
+ int loop; /* if true, send the stream in loops (only meaningful if file) */
+
/* feed specific */
- int feed_opened; /* true if someone if writing to feed */
+ int feed_opened; /* true if someone is writing to the feed */
int is_feed; /* true if it is a feed */
+ int readonly; /* True if writing is prohibited to the file */
int conns_served;
- INT64 bytes_served;
- INT64 feed_max_size; /* maximum storage size */
- INT64 feed_write_index; /* current write position in feed (it wraps round) */
- INT64 feed_size; /* current size of feed */
+ int64_t bytes_served;
+ int64_t feed_max_size; /* maximum storage size */
+ int64_t feed_write_index; /* current write position in feed (it wraps round) */
+ int64_t feed_size; /* current size of feed */
struct FFStream *next_feed;
} FFStream;
float avg_frame_size; /* frame size averraged over last frames with exponential mean */
} FeedData;
-struct sockaddr_in my_addr;
+struct sockaddr_in my_http_addr;
+struct sockaddr_in my_rtsp_addr;
+
char logfilename[1024];
HTTPContext *first_http_ctx;
FFStream *first_feed; /* contains only feeds */
FFStream *first_stream; /* contains all streams, including feeds */
-static int handle_http(HTTPContext *c, long cur_time);
+static void new_connection(int server_fd, int is_rtsp);
+static void close_connection(HTTPContext *c);
+
+/* HTTP handling */
+static int handle_connection(HTTPContext *c);
static int http_parse_request(HTTPContext *c);
static int http_send_data(HTTPContext *c);
static void compute_stats(HTTPContext *c);
static int http_start_receive_data(HTTPContext *c);
static int http_receive_data(HTTPContext *c);
+/* RTSP handling */
+static int rtsp_parse_request(HTTPContext *c);
+static void rtsp_cmd_describe(HTTPContext *c, const char *url);
+static void rtsp_cmd_options(HTTPContext *c, const char *url);
+static void rtsp_cmd_setup(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h);
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h);
+
+/* SDP handling */
+static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
+ struct in_addr my_ip);
+
+/* RTP handling */
+static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
+ FFStream *stream, const char *session_id,
+ enum RTSPProtocol rtp_protocol);
+static int rtp_new_av_stream(HTTPContext *c,
+ int stream_index, struct sockaddr_in *dest_addr,
+ HTTPContext *rtsp_c);
+
+static const char *my_program_name;
+static const char *my_program_dir;
+
+static int ffserver_debug;
+static int ffserver_daemon;
+static int no_launch;
+static int need_to_start_children;
+
int nb_max_connections;
int nb_connections;
-int nb_max_bandwidth;
-int nb_bandwidth;
+int max_bandwidth;
+int current_bandwidth;
+
+static long cur_time; // Making this global saves on passing it around everywhere
static long gettime_ms(void)
{
static FILE *logfile = NULL;
-static void http_log(char *fmt, ...)
+static void __attribute__ ((format (printf, 1, 2))) http_log(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
va_end(ap);
}
-static void log_connection(HTTPContext *c)
+static char *ctime1(char *buf2)
{
- char buf1[32], buf2[32], *p;
time_t ti;
+ char *p;
- if (c->suppress_log)
- return;
-
- /* XXX: reentrant function ? */
- p = inet_ntoa(c->from_addr.sin_addr);
- strcpy(buf1, p);
ti = time(NULL);
p = ctime(&ti);
strcpy(buf2, p);
p = buf2 + strlen(p) - 1;
if (*p == '\n')
*p = '\0';
+ return buf2;
+}
+
+static void log_connection(HTTPContext *c)
+{
+ char buf2[32];
+
+ if (c->suppress_log)
+ return;
+
http_log("%s - - [%s] \"%s %s %s\" %d %lld\n",
- buf1, buf2, c->method, c->url, c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
+ inet_ntoa(c->from_addr.sin_addr),
+ ctime1(buf2), c->method, c->url,
+ c->protocol, (c->http_error ? c->http_error : 200), c->data_count);
}
-/* main loop of the http server */
-static int http_server(struct sockaddr_in my_addr)
+static void update_datarate(DataRateData *drd, int64_t count)
{
- int server_fd, tmp, ret;
- struct sockaddr_in from_addr;
- struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 1], *poll_entry;
- HTTPContext *c, **cp;
- long cur_time;
+ if (!drd->time1 && !drd->count1) {
+ drd->time1 = drd->time2 = cur_time;
+ drd->count1 = drd->count2 = count;
+ } else {
+ if (cur_time - drd->time2 > 5000) {
+ drd->time1 = drd->time2;
+ drd->count1 = drd->count2;
+ drd->time2 = cur_time;
+ drd->count2 = count;
+ }
+ }
+}
+
+/* In bytes per second */
+static int compute_datarate(DataRateData *drd, int64_t count)
+{
+ if (cur_time == drd->time1)
+ return 0;
+
+ return ((count - drd->count1) * 1000) / (cur_time - drd->time1);
+}
+
+static int get_longterm_datarate(DataRateData *drd, int64_t count)
+{
+ /* You get the first 3 seconds flat out */
+ if (cur_time - drd->time1 < 3000)
+ return 0;
+ return compute_datarate(drd, count);
+}
+
+
+static void start_children(FFStream *feed)
+{
+ if (no_launch)
+ return;
+
+ for (; feed; feed = feed->next) {
+ if (feed->child_argv && !feed->pid) {
+ feed->pid_start = time(0);
+
+ feed->pid = fork();
+
+ if (feed->pid < 0) {
+ fprintf(stderr, "Unable to create children\n");
+ exit(1);
+ }
+ if (!feed->pid) {
+ /* In child */
+ char pathname[1024];
+ char *slash;
+ int i;
+
+ for (i = 3; i < 256; i++) {
+ close(i);
+ }
+
+ if (!ffserver_debug) {
+ i = open("/dev/null", O_RDWR);
+ if (i)
+ dup2(i, 0);
+ dup2(i, 1);
+ dup2(i, 2);
+ if (i)
+ close(i);
+ }
+
+ pstrcpy(pathname, sizeof(pathname), my_program_name);
+
+ slash = strrchr(pathname, '/');
+ if (!slash) {
+ slash = pathname;
+ } else {
+ slash++;
+ }
+ strcpy(slash, "ffmpeg");
+
+ /* This is needed to make relative pathnames work */
+ chdir(my_program_dir);
+
+ signal(SIGPIPE, SIG_DFL);
+
+ execvp(pathname, feed->child_argv);
+
+ _exit(1);
+ }
+ }
+ }
+}
+
+/* open a listening socket */
+static int socket_open_listen(struct sockaddr_in *my_addr)
+{
+ int server_fd, tmp;
server_fd = socket(AF_INET,SOCK_STREAM,0);
if (server_fd < 0) {
tmp = 1;
setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
- if (bind (server_fd, (struct sockaddr *) &my_addr, sizeof (my_addr)) < 0) {
- perror ("bind");
+ if (bind (server_fd, (struct sockaddr *) my_addr, sizeof (*my_addr)) < 0) {
+ char bindmsg[32];
+ snprintf(bindmsg, sizeof(bindmsg), "bind(port %d)", ntohs(my_addr->sin_port));
+ perror (bindmsg);
close(server_fd);
return -1;
}
close(server_fd);
return -1;
}
+ fcntl(server_fd, F_SETFL, O_NONBLOCK);
+
+ return server_fd;
+}
+
+/* start all multicast streams */
+static void start_multicast(void)
+{
+ FFStream *stream;
+ char session_id[32];
+ HTTPContext *rtp_c;
+ struct sockaddr_in dest_addr;
+ int default_port, stream_index;
+
+ default_port = 6000;
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (stream->is_multicast) {
+ /* open the RTP connection */
+ snprintf(session_id, sizeof(session_id),
+ "%08x%08x", (int)random(), (int)random());
+
+ /* choose a port if none given */
+ if (stream->multicast_port == 0) {
+ stream->multicast_port = default_port;
+ default_port += 100;
+ }
+
+ dest_addr.sin_family = AF_INET;
+ dest_addr.sin_addr = stream->multicast_ip;
+ dest_addr.sin_port = htons(stream->multicast_port);
+
+ rtp_c = rtp_new_connection(&dest_addr, stream, session_id,
+ RTSP_PROTOCOL_RTP_UDP_MULTICAST);
+ if (!rtp_c) {
+ continue;
+ }
+ if (open_input_stream(rtp_c, "") < 0) {
+ fprintf(stderr, "Could not open input stream for stream '%s'\n",
+ stream->filename);
+ continue;
+ }
+
+ /* open each RTP stream */
+ for(stream_index = 0; stream_index < stream->nb_streams;
+ stream_index++) {
+ dest_addr.sin_port = htons(stream->multicast_port +
+ 2 * stream_index);
+ if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, NULL) < 0) {
+ fprintf(stderr, "Could not open output stream '%s/streamid=%d'\n",
+ stream->filename, stream_index);
+ exit(1);
+ }
+ }
+
+ /* change state to send data */
+ rtp_c->state = HTTPSTATE_SEND_DATA;
+ }
+ }
+}
+
+/* main loop of the http server */
+static int http_server(void)
+{
+ int server_fd, ret, rtsp_server_fd, delay, delay1;
+ struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 2], *poll_entry;
+ HTTPContext *c, *c_next;
+
+ server_fd = socket_open_listen(&my_http_addr);
+ if (server_fd < 0)
+ return -1;
+ rtsp_server_fd = socket_open_listen(&my_rtsp_addr);
+ if (rtsp_server_fd < 0)
+ return -1;
+
http_log("ffserver started.\n");
- fcntl(server_fd, F_SETFL, O_NONBLOCK);
+ start_children(first_feed);
+
first_http_ctx = NULL;
nb_connections = 0;
- first_http_ctx = NULL;
+
+ start_multicast();
+
for(;;) {
poll_entry = poll_table;
poll_entry->fd = server_fd;
poll_entry->events = POLLIN;
poll_entry++;
+ poll_entry->fd = rtsp_server_fd;
+ poll_entry->events = POLLIN;
+ poll_entry++;
+
/* wait for events on each HTTP handle */
c = first_http_ctx;
+ delay = 1000;
while (c != NULL) {
int fd;
fd = c->fd;
switch(c->state) {
- case HTTPSTATE_WAIT_REQUEST:
+ case HTTPSTATE_SEND_HEADER:
+ case RTSPSTATE_SEND_REPLY:
+ case RTSPSTATE_SEND_PACKET:
c->poll_entry = poll_entry;
poll_entry->fd = fd;
- poll_entry->events = POLLIN;
+ poll_entry->events = POLLOUT;
poll_entry++;
break;
- case HTTPSTATE_SEND_HEADER:
case HTTPSTATE_SEND_DATA_HEADER:
case HTTPSTATE_SEND_DATA:
case HTTPSTATE_SEND_DATA_TRAILER:
- c->poll_entry = poll_entry;
- poll_entry->fd = fd;
- poll_entry->events = POLLOUT;
- poll_entry++;
+ if (!c->is_packetized) {
+ /* for TCP, we output as much as we can (may need to put a limit) */
+ c->poll_entry = poll_entry;
+ poll_entry->fd = fd;
+ poll_entry->events = POLLOUT;
+ poll_entry++;
+ } else {
+ /* when ffserver is doing the timing, we work by
+ looking at which packet need to be sent every
+ 10 ms */
+ delay1 = 10; /* one tick wait XXX: 10 ms assumed */
+ if (delay1 < delay)
+ delay = delay1;
+ }
break;
+ case HTTPSTATE_WAIT_REQUEST:
case HTTPSTATE_RECEIVE_DATA:
- c->poll_entry = poll_entry;
- poll_entry->fd = fd;
- poll_entry->events = POLLIN;
- poll_entry++;
- break;
case HTTPSTATE_WAIT_FEED:
+ case RTSPSTATE_WAIT_REQUEST:
/* need to catch errors */
c->poll_entry = poll_entry;
poll_entry->fd = fd;
/* wait for an event on one connection. We poll at least every
second to handle timeouts */
do {
- ret = poll(poll_table, poll_entry - poll_table, 1000);
- } while (ret == -1);
+ ret = poll(poll_table, poll_entry - poll_table, delay);
+ if (ret < 0 && errno != EAGAIN && errno != EINTR)
+ return -1;
+ } while (ret <= 0);
cur_time = gettime_ms();
- /* now handle the events */
+ if (need_to_start_children) {
+ need_to_start_children = 0;
+ start_children(first_feed);
+ }
- cp = &first_http_ctx;
- while ((*cp) != NULL) {
- c = *cp;
- if (handle_http (c, cur_time) < 0) {
+ /* now handle the events */
+ for(c = first_http_ctx; c != NULL; c = c_next) {
+ c_next = c->next;
+ if (handle_connection(c) < 0) {
/* close and free the connection */
log_connection(c);
- close(c->fd);
- if (c->fmt_in)
- av_close_input_file(c->fmt_in);
- *cp = c->next;
- nb_bandwidth -= c->bandwidth;
- av_free(c);
- nb_connections--;
- } else {
- cp = &c->next;
+ close_connection(c);
}
}
- /* new connection request ? */
poll_entry = poll_table;
+ /* new HTTP connection request ? */
if (poll_entry->revents & POLLIN) {
- int fd, len;
-
- len = sizeof(from_addr);
- fd = accept(server_fd, (struct sockaddr *)&from_addr,
- &len);
- if (fd >= 0) {
- fcntl(fd, F_SETFL, O_NONBLOCK);
- /* XXX: should output a warning page when coming
- close to the connection limit */
- if (nb_connections >= nb_max_connections) {
- close(fd);
- } else {
- /* add a new connection */
- c = av_mallocz(sizeof(HTTPContext));
- c->next = first_http_ctx;
- first_http_ctx = c;
- c->fd = fd;
- c->poll_entry = NULL;
- c->from_addr = from_addr;
- c->state = HTTPSTATE_WAIT_REQUEST;
- c->buffer_ptr = c->buffer;
- c->buffer_end = c->buffer + IOBUFFER_MAX_SIZE;
- c->timeout = cur_time + REQUEST_TIMEOUT;
- nb_connections++;
- }
- }
+ new_connection(server_fd, 0);
}
poll_entry++;
+ /* new RTSP connection request ? */
+ if (poll_entry->revents & POLLIN) {
+ new_connection(rtsp_server_fd, 1);
+ }
}
}
-static int handle_http(HTTPContext *c, long cur_time)
+/* start waiting for a new HTTP/RTSP request */
+static void start_wait_request(HTTPContext *c, int is_rtsp)
{
- int len;
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer + c->buffer_size - 1; /* leave room for '\0' */
+
+ if (is_rtsp) {
+ c->timeout = cur_time + RTSP_REQUEST_TIMEOUT;
+ c->state = RTSPSTATE_WAIT_REQUEST;
+ } else {
+ c->timeout = cur_time + HTTP_REQUEST_TIMEOUT;
+ c->state = HTTPSTATE_WAIT_REQUEST;
+ }
+}
+
+static void new_connection(int server_fd, int is_rtsp)
+{
+ struct sockaddr_in from_addr;
+ int fd, len;
+ HTTPContext *c = NULL;
+
+ len = sizeof(from_addr);
+ fd = accept(server_fd, (struct sockaddr *)&from_addr,
+ &len);
+ if (fd < 0)
+ return;
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+
+ /* XXX: should output a warning page when coming
+ close to the connection limit */
+ if (nb_connections >= nb_max_connections)
+ goto fail;
+
+ /* add a new connection */
+ c = av_mallocz(sizeof(HTTPContext));
+ if (!c)
+ goto fail;
+
+ c->fd = fd;
+ c->poll_entry = NULL;
+ c->from_addr = from_addr;
+ c->buffer_size = IOBUFFER_INIT_SIZE;
+ c->buffer = av_malloc(c->buffer_size);
+ if (!c->buffer)
+ goto fail;
+
+ c->next = first_http_ctx;
+ first_http_ctx = c;
+ nb_connections++;
+
+ start_wait_request(c, is_rtsp);
+
+ return;
+
+ fail:
+ if (c) {
+ av_free(c->buffer);
+ av_free(c);
+ }
+ close(fd);
+}
+
+static void close_connection(HTTPContext *c)
+{
+ HTTPContext **cp, *c1;
+ int i, nb_streams;
+ AVFormatContext *ctx;
+ URLContext *h;
+ AVStream *st;
+
+ /* remove connection from list */
+ cp = &first_http_ctx;
+ while ((*cp) != NULL) {
+ c1 = *cp;
+ if (c1 == c) {
+ *cp = c->next;
+ } else {
+ cp = &c1->next;
+ }
+ }
+
+ /* remove references, if any (XXX: do it faster) */
+ for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
+ if (c1->rtsp_c == c)
+ c1->rtsp_c = NULL;
+ }
+
+ /* remove connection associated resources */
+ if (c->fd >= 0)
+ close(c->fd);
+ if (c->fmt_in) {
+ /* close each frame parser */
+ for(i=0;i<c->fmt_in->nb_streams;i++) {
+ st = c->fmt_in->streams[i];
+ if (st->codec.codec) {
+ avcodec_close(&st->codec);
+ }
+ }
+ av_close_input_file(c->fmt_in);
+ }
+
+ /* free RTP output streams if any */
+ nb_streams = 0;
+ if (c->stream)
+ nb_streams = c->stream->nb_streams;
+
+ for(i=0;i<nb_streams;i++) {
+ ctx = c->rtp_ctx[i];
+ if (ctx) {
+ av_write_trailer(ctx);
+ av_free(ctx);
+ }
+ h = c->rtp_handles[i];
+ if (h) {
+ url_close(h);
+ }
+ }
+
+ ctx = &c->fmt_ctx;
+
+ if (!c->last_packet_sent) {
+ if (ctx->oformat) {
+ /* prepare header */
+ if (url_open_dyn_buf(&ctx->pb) >= 0) {
+ av_write_trailer(ctx);
+ url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
+ }
+ }
+ }
+
+ for(i=0; i<ctx->nb_streams; i++)
+ av_free(ctx->streams[i]) ;
+
+ if (c->stream)
+ current_bandwidth -= c->stream->bandwidth;
+ av_freep(&c->pb_buffer);
+ av_freep(&c->packet_buffer);
+ av_free(c->buffer);
+ av_free(c);
+ nb_connections--;
+}
+
+static int handle_connection(HTTPContext *c)
+{
+ int len, ret;
switch(c->state) {
case HTTPSTATE_WAIT_REQUEST:
+ case RTSPSTATE_WAIT_REQUEST:
/* timeout ? */
if ((c->timeout - cur_time) < 0)
return -1;
if (!(c->poll_entry->revents & POLLIN))
return 0;
/* read the data */
- len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ read_loop:
+ len = read(c->fd, c->buffer_ptr, 1);
if (len < 0) {
if (errno != EAGAIN && errno != EINTR)
return -1;
} else if (len == 0) {
return -1;
} else {
- /* search for end of request. XXX: not fully correct since garbage could come after the end */
- UINT8 *ptr;
+ /* search for end of request. */
+ uint8_t *ptr;
c->buffer_ptr += len;
ptr = c->buffer_ptr;
if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) ||
(ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) {
/* request found : parse it and reply */
- if (http_parse_request(c) < 0)
+ if (c->state == HTTPSTATE_WAIT_REQUEST) {
+ ret = http_parse_request(c);
+ } else {
+ ret = rtsp_parse_request(c);
+ }
+ if (ret < 0)
return -1;
} else if (ptr >= c->buffer_end) {
/* request too long: cannot do anything */
return -1;
- }
+ } else goto read_loop;
}
break;
if (c->poll_entry->revents & (POLLERR | POLLHUP))
return -1;
- /* no need to read if no events */
+ /* no need to write if no events */
if (!(c->poll_entry->revents & POLLOUT))
return 0;
len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
if (len < 0) {
if (errno != EAGAIN && errno != EINTR) {
/* error : close connection */
+ av_freep(&c->pb_buffer);
return -1;
}
} else {
c->stream->bytes_served += len;
c->data_count += len;
if (c->buffer_ptr >= c->buffer_end) {
+ av_freep(&c->pb_buffer);
/* if error, exit */
- if (c->http_error)
+ if (c->http_error) {
return -1;
- /* all the buffer was send : synchronize to the incoming stream */
+ }
+ /* all the buffer was sent : synchronize to the incoming stream */
c->state = HTTPSTATE_SEND_DATA_HEADER;
c->buffer_ptr = c->buffer_end = c->buffer;
}
case HTTPSTATE_SEND_DATA:
case HTTPSTATE_SEND_DATA_HEADER:
case HTTPSTATE_SEND_DATA_TRAILER:
- /* no need to read if no events */
- if (c->poll_entry->revents & (POLLERR | POLLHUP))
- return -1;
-
- if (!(c->poll_entry->revents & POLLOUT))
- return 0;
+ /* for packetized output, we consider we can always write (the
+ input streams sets the speed). It may be better to verify
+ that we do not rely too much on the kernel queues */
+ if (!c->is_packetized) {
+ if (c->poll_entry->revents & (POLLERR | POLLHUP))
+ return -1;
+
+ /* no need to read if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ }
if (http_send_data(c) < 0)
return -1;
break;
/* nothing to do, we'll be waken up by incoming feed packets */
break;
+
+ case RTSPSTATE_SEND_REPLY:
+ if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
+ av_freep(&c->pb_buffer);
+ return -1;
+ }
+ /* no need to write if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ av_freep(&c->pb_buffer);
+ return -1;
+ }
+ } else {
+ c->buffer_ptr += len;
+ c->data_count += len;
+ if (c->buffer_ptr >= c->buffer_end) {
+ /* all the buffer was sent : wait for a new request */
+ av_freep(&c->pb_buffer);
+ start_wait_request(c, 1);
+ }
+ }
+ break;
+ case RTSPSTATE_SEND_PACKET:
+ if (c->poll_entry->revents & (POLLERR | POLLHUP)) {
+ av_freep(&c->packet_buffer);
+ return -1;
+ }
+ /* no need to write if no events */
+ if (!(c->poll_entry->revents & POLLOUT))
+ return 0;
+ len = write(c->fd, c->packet_buffer_ptr,
+ c->packet_buffer_end - c->packet_buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ av_freep(&c->packet_buffer);
+ return -1;
+ }
+ } else {
+ c->packet_buffer_ptr += len;
+ if (c->packet_buffer_ptr >= c->packet_buffer_end) {
+ /* all the buffer was sent : wait for a new request */
+ av_freep(&c->packet_buffer);
+ c->state = RTSPSTATE_WAIT_REQUEST;
+ }
+ }
+ break;
+ case HTTPSTATE_READY:
+ /* nothing to do */
+ break;
default:
return -1;
}
return 0;
}
-
-/* parse http request and prepare header */
-static int http_parse_request(HTTPContext *c)
+static int extract_rates(char *rates, int ratelen, const char *request)
{
- char *p;
- int post;
- int doing_asx;
- int doing_ram;
- char cmd[32];
- char info[1024], *filename;
- char url[1024], *q;
- char protocol[32];
- char msg[1024];
- const char *mime_type;
- FFStream *stream;
- int i;
+ const char *p;
- p = c->buffer;
- q = cmd;
- while (!isspace(*p) && *p != '\0') {
- if ((q - cmd) < sizeof(cmd) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
+ for (p = request; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "Pragma:", 7) == 0) {
+ const char *q = p + 7;
+ while (*q && *q != '\n' && isspace(*q))
+ q++;
+
+ if (strncasecmp(q, "stream-switch-entry=", 20) == 0) {
+ int stream_no;
+ int rate_no;
+
+ q += 20;
+
+ memset(rates, 0xff, ratelen);
+
+ while (1) {
+ while (*q && *q != '\n' && *q != ':')
+ q++;
+
+ if (sscanf(q, ":%d:%d", &stream_no, &rate_no) != 2) {
+ break;
+ }
+ stream_no--;
+ if (stream_no < ratelen && stream_no >= 0) {
+ rates[stream_no] = rate_no;
+ }
+
+ while (*q && *q != '\n' && !isspace(*q))
+ q++;
+ }
+
+ return 1;
+ }
+ }
+ p = strchr(p, '\n');
+ if (!p)
+ break;
+
+ p++;
+ }
+
+ return 0;
+}
+
+static int find_stream_in_feed(FFStream *feed, AVCodecContext *codec, int bit_rate)
+{
+ int i;
+ int best_bitrate = 100000000;
+ int best = -1;
+
+ for (i = 0; i < feed->nb_streams; i++) {
+ AVCodecContext *feed_codec = &feed->streams[i]->codec;
+
+ if (feed_codec->codec_id != codec->codec_id ||
+ feed_codec->sample_rate != codec->sample_rate ||
+ feed_codec->width != codec->width ||
+ feed_codec->height != codec->height) {
+ continue;
+ }
+
+ /* Potential stream */
+
+ /* We want the fastest stream less than bit_rate, or the slowest
+ * faster than bit_rate
+ */
+
+ if (feed_codec->bit_rate <= bit_rate) {
+ if (best_bitrate > bit_rate || feed_codec->bit_rate > best_bitrate) {
+ best_bitrate = feed_codec->bit_rate;
+ best = i;
+ }
+ } else {
+ if (feed_codec->bit_rate < best_bitrate) {
+ best_bitrate = feed_codec->bit_rate;
+ best = i;
+ }
+ }
+ }
+
+ return best;
+}
+
+static int modify_current_stream(HTTPContext *c, char *rates)
+{
+ int i;
+ FFStream *req = c->stream;
+ int action_required = 0;
+
+ /* Not much we can do for a feed */
+ if (!req->feed)
+ return 0;
+
+ for (i = 0; i < req->nb_streams; i++) {
+ AVCodecContext *codec = &req->streams[i]->codec;
+
+ switch(rates[i]) {
+ case 0:
+ c->switch_feed_streams[i] = req->feed_streams[i];
+ break;
+ case 1:
+ c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 2);
+ break;
+ case 2:
+ /* Wants off or slow */
+ c->switch_feed_streams[i] = find_stream_in_feed(req->feed, codec, codec->bit_rate / 4);
+#ifdef WANTS_OFF
+ /* This doesn't work well when it turns off the only stream! */
+ c->switch_feed_streams[i] = -2;
+ c->feed_streams[i] = -2;
+#endif
+ break;
+ }
+
+ if (c->switch_feed_streams[i] >= 0 && c->switch_feed_streams[i] != c->feed_streams[i])
+ action_required = 1;
+ }
+
+ return action_required;
+}
+
+
+static void do_switch_stream(HTTPContext *c, int i)
+{
+ if (c->switch_feed_streams[i] >= 0) {
+#ifdef PHILIP
+ c->feed_streams[i] = c->switch_feed_streams[i];
+#endif
+
+ /* Now update the stream */
+ }
+ c->switch_feed_streams[i] = -1;
+}
+
+/* XXX: factorize in utils.c ? */
+/* XXX: take care with different space meaning */
+static void skip_spaces(const char **pp)
+{
+ const char *p;
+ p = *pp;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ *pp = p;
+}
+
+static void get_word(char *buf, int buf_size, const char **pp)
+{
+ const char *p;
+ char *q;
+
+ p = *pp;
+ skip_spaces(&p);
+ q = buf;
+ while (!isspace(*p) && *p != '\0') {
+ if ((q - buf) < buf_size - 1)
+ *q++ = *p;
+ p++;
+ }
+ if (buf_size > 0)
+ *q = '\0';
+ *pp = p;
+}
+
+static int validate_acl(FFStream *stream, HTTPContext *c)
+{
+ enum IPAddressAction last_action = IP_DENY;
+ IPAddressACL *acl;
+ struct in_addr *src = &c->from_addr.sin_addr;
+ unsigned long src_addr = ntohl(src->s_addr);
+
+ for (acl = stream->acl; acl; acl = acl->next) {
+ if (src_addr >= acl->first.s_addr && src_addr <= acl->last.s_addr) {
+ return (acl->action == IP_ALLOW) ? 1 : 0;
+ }
+ last_action = acl->action;
+ }
+
+ /* Nothing matched, so return not the last action */
+ return (last_action == IP_DENY) ? 1 : 0;
+}
+
+/* compute the real filename of a file by matching it without its
+ extensions to all the stream filenames */
+static void compute_real_filename(char *filename, int max_size)
+{
+ char file1[1024];
+ char file2[1024];
+ char *p;
+ FFStream *stream;
+
+ /* compute filename by matching without the file extensions */
+ pstrcpy(file1, sizeof(file1), filename);
+ p = strrchr(file1, '.');
+ if (p)
+ *p = '\0';
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ pstrcpy(file2, sizeof(file2), stream->filename);
+ p = strrchr(file2, '.');
+ if (p)
+ *p = '\0';
+ if (!strcmp(file1, file2)) {
+ pstrcpy(filename, max_size, stream->filename);
+ break;
+ }
+ }
+}
+
+enum RedirType {
+ REDIR_NONE,
+ REDIR_ASX,
+ REDIR_RAM,
+ REDIR_ASF,
+ REDIR_RTSP,
+ REDIR_SDP,
+};
+
+/* parse http request and prepare header */
+static int http_parse_request(HTTPContext *c)
+{
+ char *p;
+ int post;
+ enum RedirType redir_type;
+ char cmd[32];
+ char info[1024], *filename;
+ char url[1024], *q;
+ char protocol[32];
+ char msg[1024];
+ const char *mime_type;
+ FFStream *stream;
+ int i;
+ char ratebuf[32];
+ char *useragent = 0;
+
+ p = c->buffer;
+ get_word(cmd, sizeof(cmd), (const char **)&p);
pstrcpy(c->method, sizeof(c->method), cmd);
if (!strcmp(cmd, "GET"))
else
return -1;
- while (isspace(*p)) p++;
- q = url;
- while (!isspace(*p) && *p != '\0') {
- if ((q - url) < sizeof(url) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
-
+ get_word(url, sizeof(url), (const char **)&p);
pstrcpy(c->url, sizeof(c->url), url);
- while (isspace(*p)) p++;
- q = protocol;
- while (!isspace(*p) && *p != '\0') {
- if ((q - protocol) < sizeof(protocol) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
+ get_word(protocol, sizeof(protocol), (const char **)&p);
if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
return -1;
info[0] = '\0';
}
- if (strlen(filename) > 4 && strcmp(".asx", filename + strlen(filename) - 4) == 0) {
- doing_asx = 1;
- filename[strlen(filename)-1] = 'f';
- } else {
- doing_asx = 0;
+ for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
+ if (strncasecmp(p, "User-Agent:", 11) == 0) {
+ useragent = p + 11;
+ if (*useragent && *useragent != '\n' && isspace(*useragent))
+ useragent++;
+ break;
+ }
+ p = strchr(p, '\n');
+ if (!p)
+ break;
+
+ p++;
}
- if (strlen(filename) > 4 &&
- (strcmp(".rpm", filename + strlen(filename) - 4) == 0 ||
- strcmp(".ram", filename + strlen(filename) - 4) == 0)) {
- doing_ram = 1;
+ redir_type = REDIR_NONE;
+ if (match_ext(filename, "asx")) {
+ redir_type = REDIR_ASX;
+ filename[strlen(filename)-1] = 'f';
+ } else if (match_ext(filename, "asf") &&
+ (!useragent || strncasecmp(useragent, "NSPlayer", 8) != 0)) {
+ /* if this isn't WMP or lookalike, return the redirector file */
+ redir_type = REDIR_ASF;
+ } else if (match_ext(filename, "rpm,ram")) {
+ redir_type = REDIR_RAM;
strcpy(filename + strlen(filename)-2, "m");
- } else {
- doing_ram = 0;
+ } else if (match_ext(filename, "rtsp")) {
+ redir_type = REDIR_RTSP;
+ compute_real_filename(filename, sizeof(url) - 1);
+ } else if (match_ext(filename, "sdp")) {
+ redir_type = REDIR_SDP;
+ compute_real_filename(filename, sizeof(url) - 1);
}
-
+
stream = first_stream;
while (stream != NULL) {
- if (!strcmp(stream->filename, filename))
+ if (!strcmp(stream->filename, filename) && validate_acl(stream, c))
break;
stream = stream->next;
}
if (stream == NULL) {
- sprintf(msg, "File '%s' not found", url);
+ snprintf(msg, sizeof(msg), "File '%s' not found", url);
goto send_error;
}
- if (post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
- /* See if we meet the bandwidth requirements */
- for(i=0;i<stream->nb_streams;i++) {
- AVStream *st = stream->streams[i];
- switch(st->codec.codec_type) {
- case CODEC_TYPE_AUDIO:
- c->bandwidth += st->codec.bit_rate;
- break;
- case CODEC_TYPE_VIDEO:
- c->bandwidth += st->codec.bit_rate;
- break;
- default:
- av_abort();
+ c->stream = stream;
+ memcpy(c->feed_streams, stream->feed_streams, sizeof(c->feed_streams));
+ memset(c->switch_feed_streams, -1, sizeof(c->switch_feed_streams));
+
+ if (stream->stream_type == STREAM_TYPE_REDIRECT) {
+ c->http_error = 301;
+ q = c->buffer;
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 301 Moved\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Location: %s\r\n", stream->feed_filename);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Moved</title></head><body>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "You should be <a href=\"%s\">redirected</a>.\r\n", stream->feed_filename);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
+
+ /* prepare output buffer */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = q;
+ c->state = HTTPSTATE_SEND_HEADER;
+ return 0;
+ }
+
+ /* If this is WMP, get the rate information */
+ if (extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
+ if (modify_current_stream(c, ratebuf)) {
+ for (i = 0; i < sizeof(c->feed_streams) / sizeof(c->feed_streams[0]); i++) {
+ if (c->switch_feed_streams[i] >= 0)
+ do_switch_stream(c, i);
}
}
}
- c->bandwidth /= 1000;
- nb_bandwidth += c->bandwidth;
-
- if (post == 0 && nb_max_bandwidth < nb_bandwidth) {
+ if (post == 0 && stream->stream_type == STREAM_TYPE_LIVE) {
+ current_bandwidth += stream->bandwidth;
+ }
+
+ if (post == 0 && max_bandwidth < current_bandwidth) {
c->http_error = 200;
q = c->buffer;
- q += sprintf(q, "HTTP/1.0 200 Server too busy\r\n");
- q += sprintf(q, "Content-type: text/html\r\n");
- q += sprintf(q, "\r\n");
- q += sprintf(q, "<html><head><title>Too busy</title></head><body>\r\n");
- q += s
printf(q, "The server is too busy to serve your request at this time.<p>\r\n");
- q += sprintf(q, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
- nb_bandwidth, nb_max_bandwidth);
- q += sprintf(q, "</body></html>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 Server too busy\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: text/html\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<html><head><title>Too busy</title></head><body>\r\n");
+ q += s
nprintf(q, q - (char *) c->buffer + c->buffer_size, "The server is too busy to serve your request at this time.<p>\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "The bandwidth being served (including your stream) is %dkbit/sec, and this exceeds the limit of %dkbit/sec\r\n",
+ current_bandwidth, max_bandwidth);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</body></html>\r\n");
/* prepare output buffer */
c->buffer_ptr = c->buffer;
return 0;
}
- if (doing_asx || doing_ram) {
+ if (redir_type != REDIR_NONE) {
char *hostinfo = 0;
for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
c->http_error = 200;
q = c->buffer;
- if (doing_asx) {
- q += sprintf(q, "HTTP/1.0 200 ASX Follows\r\n");
- q += sprintf(q, "Content-type: video/x-ms-asf\r\n");
- q += sprintf(q, "\r\n");
- q += sprintf(q, "<ASX Version=\"3\">\r\n");
- q += sprintf(q, "<!-- Autogenerated by ffserver -->\r\n");
- q += sprintf(q, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
+ switch(redir_type) {
+ case REDIR_ASX:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASX Follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ASX Version=\"3\">\r\n");
+ //q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<!-- Autogenerated by ffserver -->\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<ENTRY><REF HREF=\"http://%s/%s%s\"/></ENTRY>\r\n",
+ hostbuf, filename, info);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</ASX>\r\n");
+ break;
+ case REDIR_RAM:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RAM Follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: audio/x-pn-realaudio\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "# Autogenerated by ffserver\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "http://%s/%s%s\r\n",
hostbuf, filename, info);
- q += sprintf(q, "</ASX>\r\n");
- } else if (doing_ram) {
- q += sprintf(q, "HTTP/1.0 200 RAM Follows\r\n");
- q += sprintf(q, "Content-type: audio/x-pn-realaudio\r\n");
- q += sprintf(q, "\r\n");
- q += sprintf(q, "# Autogenerated by ffserver\r\n");
- q += sprintf(q, "http://%s/%s%s\r\n",
+ break;
+ case REDIR_ASF:
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 ASF Redirect follows\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: video/x-ms-asf\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "[Reference]\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Ref1=http://%s/%s%s\r\n",
hostbuf, filename, info);
- } else
+ break;
+ case REDIR_RTSP:
+ {
+ char hostname[256], *p;
+ /* extract only hostname */
+ pstrcpy(hostname, sizeof(hostname), hostbuf);
+ p = strrchr(hostname, ':');
+ if (p)
+ *p = '\0';
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 RTSP Redirect follows\r\n");
+ /* XXX: incorrect mime type ? */
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/x-rtsp\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "rtsp://%s:%d/%s\r\n",
+ hostname, ntohs(my_rtsp_addr.sin_port),
+ filename);
+ }
+ break;
+ case REDIR_SDP:
+ {
+ uint8_t *sdp_data;
+ int sdp_data_size, len;
+ struct sockaddr_in my_addr;
+
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: application/sdp\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+
+ len = sizeof(my_addr);
+ getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
+
+ /* XXX: should use a dynamic buffer */
+ sdp_data_size = prepare_sdp_description(stream,
+ &sdp_data,
+ my_addr.sin_addr);
+ if (sdp_data_size > 0) {
+ memcpy(q, sdp_data, sdp_data_size);
+ q += sdp_data_size;
+ *q = '\0';
+ av_free(sdp_data);
+ }
+ }
+ break;
+ default:
av_abort();
+ break;
+ }
/* prepare output buffer */
c->buffer_ptr = c->buffer;
}
}
- sprintf(msg, "ASX/RAM file not handled");
+ snprintf(msg, sizeof(msg), "ASX/RAM file not handled");
goto send_error;
}
- c->stream = stream;
stream->conns_served++;
/* XXX: add there authenticate and IP match */
* as it might come in handy one day
*/
char *logline = 0;
+ int client_id = 0;
for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
logline = p;
break;
}
+ if (strncasecmp(p, "Pragma: client-id=", 18) == 0) {
+ client_id = strtol(p + 18, 0, 10);
+ }
p = strchr(p, '\n');
if (!p)
break;
if (eol) {
if (eol[-1] == '\r')
eol--;
- http_log("%.*s\n", eol - logline, logline);
+ http_log("%.*s\n", (int) (eol - logline), logline);
c->suppress_log = 1;
}
}
+
+#ifdef DEBUG_WMP
+ http_log("\nGot request:\n%s\n", c->buffer);
+#endif
+
+ if (client_id && extract_rates(ratebuf, sizeof(ratebuf), c->buffer)) {
+ HTTPContext *wmpc;
+
+ /* Now we have to find the client_id */
+ for (wmpc = first_http_ctx; wmpc; wmpc = wmpc->next) {
+ if (wmpc->wmp_client_id == client_id)
+ break;
+ }
+
+ if (wmpc) {
+ if (modify_current_stream(wmpc, ratebuf)) {
+ wmpc->switch_pending = 1;
+ }
+ }
+ }
- sprintf(msg, "POST command not handled");
+ snprintf(msg, sizeof(msg), "POST command not handled");
+ c->stream = 0;
goto send_error;
}
if (http_start_receive_data(c) < 0) {
- sprintf(msg, "could not open feed");
+ snprintf(msg, sizeof(msg), "could not open feed");
goto send_error;
}
c->http_error = 0;
return 0;
}
+#ifdef DEBUG_WMP
+ if (strcmp(stream->filename + strlen(stream->filename) - 4, ".asf") == 0) {
+ http_log("\nGot request:\n%s\n", c->buffer);
+ }
+#endif
+
if (c->stream->stream_type == STREAM_TYPE_STATUS)
goto send_stats;
/* open input stream */
if (open_input_stream(c, info) < 0) {
- sprintf(msg, "Input stream corresponding to '%s' not found", url);
+ snprintf(msg, sizeof(msg), "Input stream corresponding to '%s' not found", url);
goto send_error;
}
/* prepare http header */
q = c->buffer;
- q += sprintf(q, "HTTP/1.0 200 OK\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 200 OK\r\n");
mime_type = c->stream->fmt->mime_type;
if (!mime_type)
mime_type = "application/x-octet_stream";
- q += sprintf(q, "Pragma: no-cache\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Pragma: no-cache\r\n");
/* for asf, we need extra headers */
- if (!strcmp(c->stream->fmt->name,"asf")) {
- q += sprintf(q, "Server: Cougar 4.1.0.3923\r\nCache-Control: no-cache\r\nPragma: client-id=1234\r\nPragma: features=\"broadcast\"\r\n");
- /* mime_type = "application/octet-stream"; */
- /* video/x-ms-asf seems better -- netscape doesn't crash any more! */
- mime_type = "video/x-ms-asf";
- }
- q += sprintf(q, "Content-Type: %s\r\n", mime_type);
- q += sprintf(q, "\r\n");
+ if (!strcmp(c->stream->fmt->name,"asf_stream")) {
+ /* Need to allocate a client id */
+
+ c->wmp_client_id = random() & 0x7fffffff;
+
+ 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);
+ }
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-Type: %s\r\n", mime_type);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
/* prepare output buffer */
c->http_error = 0;
send_error:
c->http_error = 404;
q = c->buffer;
- q += sprintf(q, "HTTP/1.0 404 Not Found\r\n");
- q += sprintf(q, "Content-type: %s\r\n", "text/html");
- q += sprintf(q, "\r\n");
- q += sprintf(q, "<HTML>\n");
- q += sprintf(q, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
- q += sprintf(q, "<BODY>%s</BODY>\n", msg);
- q += sprintf(q, "</HTML>\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "HTTP/1.0 404 Not Found\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "Content-type: %s\r\n", "text/html");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "\r\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HTML>\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<HEAD><TITLE>404 Not Found</TITLE></HEAD>\n");
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "<BODY>%s</BODY>\n", msg);
+ q += snprintf(q, q - (char *) c->buffer + c->buffer_size, "</HTML>\n");
/* prepare output buffer */
c->buffer_ptr = c->buffer;
return 0;
}
+static void fmt_bytecount(ByteIOContext *pb, int64_t count)
+{
+ static const char *suffix = " kMGTP";
+ const char *s;
+
+ for (s = suffix; count >= 100000 && s[1]; count /= 1000, s++) {
+ }
+
+ url_fprintf(pb, "%lld%c", count, *s);
+}
+
static void compute_stats(HTTPContext *c)
{
HTTPContext *c1;
FFStream *stream;
- char *q, *p;
+ char *p;
time_t ti;
- int i;
+ int i, len;
+ ByteIOContext pb1, *pb = &pb1;
- q = c->buffer;
- q += sprintf(q, "HTTP/1.0 200 OK\r\n");
- q += sprintf(q, "Content-type: %s\r\n", "text/html");
- q += sprintf(q, "Pragma: no-cache\r\n");
- q += sprintf(q, "\r\n");
+ if (url_open_dyn_buf(pb) < 0) {
+ /* XXX: return an error ? */
+ c->buffer_ptr = c->buffer;
+ c->buffer_end = c->buffer;
+ return;
+ }
+
+ url_fprintf(pb, "HTTP/1.0 200 OK\r\n");
+ url_fprintf(pb, "Content-type: %s\r\n", "text/html");
+ url_fprintf(pb, "Pragma: no-cache\r\n");
+ url_fprintf(pb, "\r\n");
- q += sprintf(q, "<HEAD><TITLE>FFServer Status</TITLE></HEAD>\n<BODY>");
- q += sprintf(q, "<H1>FFServer Status</H1>\n");
+ url_fprintf(pb, "<HEAD><TITLE>FFServer Status</TITLE>\n");
+ if (c->stream->feed_filename) {
+ url_fprintf(pb, "<link rel=\"shortcut icon\" href=\"%s\">\n", c->stream->feed_filename);
+ }
+ url_fprintf(pb, "</HEAD>\n<BODY>");
+ url_fprintf(pb, "<H1>FFServer Status</H1>\n");
/* format status */
- q += sprintf(q, "<H2>Available Streams</H2>\n");
-
q += sprintf(q, "<TABLE cellspacing=0 cellpadding=4>\n");
- q += sprintf(q, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>kbytes<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");
+ url_fprintf(pb, "<H2>Available Streams</H2>\n");
+
url_fprintf(pb, "<TABLE cellspacing=0 cellpadding=4>\n");
+ url_fprintf(pb, "<TR><Th valign=top>Path<th align=left>Served<br>Conns<Th><br>bytes<Th valign=top>Format<Th>Bit rate<br>kbits/s<Th align=left>Video<br>kbits/s<th><br>Codec<Th align=left>Audio<br>kbits/s<th><br>Codec<Th align=left valign=top>Feed\n");
stream = first_stream;
while (stream != NULL) {
char sfilename[1024];
char *eosf;
if (stream->feed != stream) {
- pstrcpy(sfilename, sizeof(sfilename) - 1, stream->filename);
+ pstrcpy(sfilename, sizeof(sfilename) - 10, stream->filename);
eosf = sfilename + strlen(sfilename);
if (eosf - sfilename >= 4) {
if (strcmp(eosf - 4, ".asf") == 0) {
strcpy(eosf - 4, ".asx");
} else if (strcmp(eosf - 3, ".rm") == 0) {
strcpy(eosf - 3, ".ram");
+ } else if (stream->fmt == &rtp_mux) {
+ /* generate a sample RTSP director if
+ unicast. Generate an SDP redirector if
+ multicast */
+ eosf = strrchr(sfilename, '.');
+ if (!eosf)
+ eosf = sfilename + strlen(sfilename);
+ if (stream->is_multicast)
+ strcpy(eosf, ".sdp");
+ else
+ strcpy(eosf, ".rtsp");
}
}
-
q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
+
url_fprintf(pb, "<TR><TD><A HREF=\"/%s\">%s</A> ",
sfilename, stream->filename);
- q += sprintf(q, "<td align=right> %d <td align=right> %lld",
- stream->conns_served, stream->bytes_served / 1000);
+ url_fprintf(pb, "<td align=right> %d <td align=right> ",
+ stream->conns_served);
+ fmt_bytecount(pb, stream->bytes_served);
switch(stream->stream_type) {
case STREAM_TYPE_LIVE:
{
int audio_bit_rate = 0;
int video_bit_rate = 0;
- char *audio_codec_name = "";
- char *video_codec_name = "";
- char *audio_codec_name_extra = "";
- char *video_codec_name_extra = "";
+ const char *audio_codec_name = "";
+ const char *video_codec_name = "";
+ const char *audio_codec_name_extra = "";
+ const char *video_codec_name_extra = "";
for(i=0;i<stream->nb_streams;i++) {
AVStream *st = stream->streams[i];
video_codec_name = codec->name;
}
break;
+ case CODEC_TYPE_DATA:
+ video_bit_rate += st->codec.bit_rate;
+ break;
default:
av_abort();
}
}
- q += sprintf(q, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
+ url_fprintf(pb, "<TD align=center> %s <TD align=right> %d <TD align=right> %d <TD> %s %s <TD align=right> %d <TD> %s %s",
stream->fmt->name,
- (audio_bit_rate + video_bit_rate) / 1000,
+ stream->bandwidth,
video_bit_rate / 1000, video_codec_name, video_codec_name_extra,
audio_bit_rate / 1000, audio_codec_name, audio_codec_name_extra);
if (stream->feed) {
- q += sprintf(q, "<TD>%s", stream->feed->filename);
+ url_fprintf(pb, "<TD>%s", stream->feed->filename);
} else {
- q += sprintf(q, "<TD>%s", stream->feed_filename);
+ url_fprintf(pb, "<TD>%s", stream->feed_filename);
}
- q += sprintf(q, "\n");
+ url_fprintf(pb, "\n");
}
break;
default:
- q += sprintf(q, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
+ url_fprintf(pb, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
break;
}
}
stream = stream->next;
}
- q += sprintf(q, "</TABLE>\n");
+ url_fprintf(pb, "</TABLE>\n");
stream = first_stream;
while (stream != NULL) {
if (stream->feed == stream) {
- q += sprintf(q, "<h2>Feed %s</h2>", stream->filename);
- q += sprintf(q, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec\n");
+ url_fprintf(pb, "<h2>Feed %s</h2>", stream->filename);
+ if (stream->pid) {
+ url_fprintf(pb, "Running as pid %d.\n", stream->pid);
+
+#if defined(linux) && !defined(CONFIG_NOCUTILS)
+ {
+ FILE *pid_stat;
+ char ps_cmd[64];
+
+ /* This is somewhat linux specific I guess */
+ snprintf(ps_cmd, sizeof(ps_cmd),
+ "ps -o \"%%cpu,cputime\" --no-headers %d",
+ stream->pid);
+
+ pid_stat = popen(ps_cmd, "r");
+ if (pid_stat) {
+ char cpuperc[10];
+ char cpuused[64];
+
+ if (fscanf(pid_stat, "%10s %64s", cpuperc,
+ cpuused) == 2) {
+ url_fprintf(pb, "Currently using %s%% of the cpu. Total time used %s.\n",
+ cpuperc, cpuused);
+ }
+ fclose(pid_stat);
+ }
+ }
+#endif
+
+ url_fprintf(pb, "<p>");
+ }
+ url_fprintf(pb, "<table cellspacing=0 cellpadding=4><tr><th>Stream<th>type<th>kbits/s<th align=left>codec<th align=left>Parameters\n");
for (i = 0; i < stream->nb_streams; i++) {
AVStream *st = stream->streams[i];
AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
- char *type = "unknown";
+ const char *type = "unknown";
+ char parameters[64];
+
+ parameters[0] = 0;
switch(st->codec.codec_type) {
case CODEC_TYPE_AUDIO:
break;
case CODEC_TYPE_VIDEO:
type = "video";
+ snprintf(parameters, sizeof(parameters), "%dx%d, q=%d-%d, fps=%d", st->codec.width, st->codec.height,
+ st->codec.qmin, st->codec.qmax, st->codec.time_base.den / st->codec.time_base.num);
break;
default:
av_abort();
}
- q += sprintf(q, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s\n",
- i, type, st->codec.bit_rate/1000, codec ? codec->name : "");
+ url_fprintf(pb, "<tr><td align=right>%d<td>%s<td align=right>%d<td>%s<td>%s\n",
+ i, type, st->codec.bit_rate/1000, codec ? codec->name : "", parameters);
}
- q += sprintf(q, "</table>\n");
+ url_fprintf(pb, "</table>\n");
}
stream = stream->next;
/* feed status */
stream = first_feed;
while (stream != NULL) {
- q += sprintf(q, "<H1>Feed '%s'</H1>\n", stream->filename);
-
q += sprintf(q, "<TABLE>\n");
- q += sprintf(q, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
+ url_fprintf(pb, "<H1>Feed '%s'</H1>\n", stream->filename);
+
url_fprintf(pb, "<TABLE>\n");
+ url_fprintf(pb, "<TR><TD>Parameters<TD>Frame count<TD>Size<TD>Avg bitrate (kbits/s)\n");
for(i=0;i<stream->nb_streams;i++) {
AVStream *st = stream->streams[i];
FeedData *fdata = st->priv_data;
avg = fdata->avg_frame_size * (float)enc->rate * 8.0;
if (enc->codec->type == CODEC_TYPE_AUDIO && enc->frame_size > 0)
avg /= enc->frame_size;
- q += sprintf(q, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
+ url_fprintf(pb, "<TR><TD>%s <TD> %d <TD> %Ld <TD> %0.1f\n",
buf, enc->frame_number, fdata->data_count, avg / 1000.0);
}
- q += sprintf(q, "</TABLE>\n");
+ url_fprintf(pb, "</TABLE>\n");
stream = stream->next_feed;
}
}
#endif
/* connection status */
- q += sprintf(q, "<H2>Connection Status</H2>\n");
+ url_fprintf(pb, "<H2>Connection Status</H2>\n");
- q += sprintf(q, "Number of connections: %d / %d<BR>\n",
+ url_fprintf(pb, "Number of connections: %d / %d<BR>\n",
nb_connections, nb_max_connections);
- q += sprintf(q, "Bandwidth in use: %dk / %dk<BR>\n",
- nb_bandwidth, nb_max_bandwidth);
+ url_fprintf(pb, "Bandwidth in use: %dk / %dk<BR>\n",
+ current_bandwidth, max_bandwidth);
-
q += sprintf(q, "<TABLE>\n");
- q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>State<TD>Size\n");
+
url_fprintf(pb, "<TABLE>\n");
+ url_fprintf(pb, "<TR><th>#<th>File<th>IP<th>Proto<th>State<th>Target bits/sec<th>Actual bits/sec<th>Bytes transferred\n");
c1 = first_http_ctx;
i = 0;
- while (c1 != NULL && q < (char *) c->buffer + sizeof(c->buffer) - 2048) {
+ while (c1 != NULL) {
+ int bitrate;
+ int j;
+
+ bitrate = 0;
+ if (c1->stream) {
+ for (j = 0; j < c1->stream->nb_streams; j++) {
+ if (!c1->stream->feed) {
+ bitrate += c1->stream->streams[j]->codec.bit_rate;
+ } else {
+ if (c1->feed_streams[j] >= 0) {
+ bitrate += c1->stream->feed->streams[c1->feed_streams[j]]->codec.bit_rate;
+ }
+ }
+ }
+ }
+
i++;
p = inet_ntoa(c1->from_addr.sin_addr);
- q += sprintf(q, "<TR><TD><B>%d</B><TD>%s%s <TD> %s <TD> %s <TD> %Ld\n",
- i, c1->stream->filename,
- c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
- p,
- http_state[c1->state],
- c1->data_count);
+ url_fprintf(pb, "<TR><TD><B>%d</B><TD>%s%s<TD>%s<TD>%s<TD>%s<td align=right>",
+ i,
+ c1->stream ? c1->stream->filename : "",
+ c1->state == HTTPSTATE_RECEIVE_DATA ? "(input)" : "",
+ p,
+ c1->protocol,
+ http_state[c1->state]);
+ fmt_bytecount(pb, bitrate);
+ url_fprintf(pb, "<td align=right>");
+ fmt_bytecount(pb, compute_datarate(&c1->datarate, c1->data_count) * 8);
+ url_fprintf(pb, "<td align=right>");
+ fmt_bytecount(pb, c1->data_count);
+ url_fprintf(pb, "\n");
c1 = c1->next;
}
- q += sprintf(q, "</TABLE>\n");
+ url_fprintf(pb, "</TABLE>\n");
/* date */
ti = time(NULL);
p = ctime(&ti);
- q += sprintf(q, "<HR size=1 noshade>Generated at %s", p);
- q += sprintf(q, "</BODY>\n</HTML>\n");
+ url_fprintf(pb, "<HR size=1 noshade>Generated at %s", p);
+ url_fprintf(pb, "</BODY>\n</HTML>\n");
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
+ len = url_close_dyn_buf(pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
}
-
-static void http_write_packet(void *opaque,
- unsigned char *buf, int size)
+/* check if the parser needs to be opened for stream i */
+static void open_parser(AVFormatContext *s, int i)
{
- HTTPContext *c = opaque;
-
- if (c->buffer_ptr == c->buffer_end || !c->buffer_ptr)
- c->buffer_ptr = c->buffer_end = c->buffer;
-
- if (c->buffer_end - c->buffer + size > IOBUFFER_MAX_SIZE)
- av_abort();
-
- memcpy(c->buffer_end, buf, size);
- c->buffer_end += size;
+ AVStream *st = s->streams[i];
+ AVCodec *codec;
+
+ if (!st->codec.codec) {
+ codec = avcodec_find_decoder(st->codec.codec_id);
+ if (codec && (codec->capabilities & CODEC_CAP_PARSE_ONLY)) {
+ st->codec.parse_only = 1;
+ if (avcodec_open(&st->codec, codec) < 0) {
+ st->codec.parse_only = 0;
+ }
+ }
+ }
}
static int open_input_stream(HTTPContext *c, const char *info)
char buf[128];
char input_filename[1024];
AVFormatContext *s;
- int buf_size;
- INT64 stream_pos;
+ int buf_size, i;
+ int64_t stream_pos;
/* find file name */
if (c->stream->feed) {
stream_pos = parse_date(buf, 0);
} else if (find_info_tag(buf, sizeof(buf), "buffer", info)) {
int prebuffer = strtol(buf, 0, 10);
- stream_pos = gettime() - prebuffer * 1000000;
+ stream_pos = av_gettime() - prebuffer * (int64_t)1000000;
} else {
- stream_pos = gettime() - c->stream->prebuffer * 1000;
+ stream_pos = av_gettime() - c->stream->prebuffer * (int64_t)1000;
}
} else {
strcpy(input_filename, c->stream->feed_filename);
if (input_filename[0] == '\0')
return -1;
+#if 0
+ { time_t when = stream_pos / 1000000;
+ http_log("Stream pos = %lld, time=%s", stream_pos, ctime(&when));
+ }
+#endif
+
/* open stream */
- if (av_open_input_file(&s, input_filename, NULL, buf_size, NULL) < 0)
+ if (av_open_input_file(&s, input_filename, c->stream->ifmt,
+ buf_size, c->stream->ap_in) < 0) {
+ http_log("%s not found", input_filename);
return -1;
+ }
c->fmt_in = s;
+
+ /* open each parser */
+ for(i=0;i<s->nb_streams;i++)
+ open_parser(s, i);
+
+ /* choose stream as clock source (we favorize video stream if
+ present) for packet sending */
+ c->pts_stream_index = 0;
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->pts_stream_index == 0 &&
+ c->stream->streams[i]->codec.codec_type == CODEC_TYPE_VIDEO) {
+ c->pts_stream_index = i;
+ }
+ }
+#if 1
if (c->fmt_in->iformat->read_seek) {
- c->fmt_in->iformat->read_seek(c->fmt_in, stream_pos);
+ c->fmt_in->iformat->read_seek(c->fmt_in, 0, stream_pos, 0);
}
-
- // printf("stream %s opened pos=%0.6f\n", input_filename, stream_pos / 1000000.0);
+#endif
+ /* set the start time (needed for maxtime and RTP packet timing) */
+ c->start_time = cur_time;
+ c->first_pts = AV_NOPTS_VALUE;
return 0;
}
+/* return the server clock (in us) */
+static int64_t get_server_clock(HTTPContext *c)
+{
+ /* compute current pts value from system time */
+ return (int64_t)(cur_time - c->start_time) * 1000LL;
+}
+
+/* return the estimated time at which the current packet must be sent
+ (in us) */
+static int64_t get_packet_send_clock(HTTPContext *c)
+{
+ int bytes_left, bytes_sent, frame_bytes;
+
+ frame_bytes = c->cur_frame_bytes;
+ if (frame_bytes <= 0) {
+ return c->cur_pts;
+ } else {
+ bytes_left = c->buffer_end - c->buffer_ptr;
+ bytes_sent = frame_bytes - bytes_left;
+ return c->cur_pts + (c->cur_frame_duration * bytes_sent) / frame_bytes;
+ }
+}
+
+
static int http_prepare_data(HTTPContext *c)
{
- int i;
+ int i, len, ret;
+ AVFormatContext *ctx;
+ av_freep(&c->pb_buffer);
switch(c->state) {
case HTTPSTATE_SEND_DATA_HEADER:
memset(&c->fmt_ctx, 0, sizeof(c->fmt_ctx));
- if (c->stream->feed) {
- /* open output stream by using specified codecs */
- c->fmt_ctx.oformat = c->stream->fmt;
- c->fmt_ctx.nb_streams = c->stream->nb_streams;
- for(i=0;i<c->fmt_ctx.nb_streams;i++) {
- AVStream *st;
- st = av_mallocz(sizeof(AVStream));
- c->fmt_ctx.streams[i] = st;
- if (c->stream->feed == c->stream)
- memcpy(st, c->stream->streams[i], sizeof(AVStream));
- else
- memcpy(st, c->stream->feed->streams[c->stream->feed_streams[i]], sizeof(AVStream));
+ pstrcpy(c->fmt_ctx.author, sizeof(c->fmt_ctx.author),
+ c->stream->author);
+ pstrcpy(c->fmt_ctx.comment, sizeof(c->fmt_ctx.comment),
+ c->stream->comment);
+ pstrcpy(c->fmt_ctx.copyright, sizeof(c->fmt_ctx.copyright),
+ c->stream->copyright);
+ pstrcpy(c->fmt_ctx.title, sizeof(c->fmt_ctx.title),
+ c->stream->title);
+
+ /* open output stream by using specified codecs */
+ c->fmt_ctx.oformat = c->stream->fmt;
+ c->fmt_ctx.nb_streams = c->stream->nb_streams;
+ for(i=0;i<c->fmt_ctx.nb_streams;i++) {
+ AVStream *st;
+ AVStream *src;
+ st = av_mallocz(sizeof(AVStream));
+ c->fmt_ctx.streams[i] = st;
+ /* if file or feed, then just take streams from FFStream struct */
+ if (!c->stream->feed ||
+ c->stream->feed == c->stream)
+ src = c->stream->streams[i];
+ else
+ src = c->stream->feed->streams[c->stream->feed_streams[i]];
+
+ *st = *src;
+ st->priv_data = 0;
+ st->codec.frame_number = 0; /* XXX: should be done in
+ AVStream, not in codec */
+ /* I'm pretty sure that this is not correct...
+ * However, without it, we crash
+ */
+ st->codec.coded_frame = &dummy_frame;
+ }
+ c->got_key_frame = 0;
- st->codec.frame_number = 0; /* XXX: should be done in
- AVStream, not in codec */
- }
- c->got_key_frame = 0;
- } else {
- /* open output stream by using codecs in specified file */
- c->fmt_ctx.oformat = c->stream->fmt;
- c->fmt_ctx.nb_streams = c->fmt_in->nb_streams;
- for(i=0;i<c->fmt_ctx.nb_streams;i++) {
- AVStream *st;
- st = av_mallocz(sizeof(AVStream));
- c->fmt_ctx.streams[i] = st;
- memcpy(st, c->fmt_in->streams[i], sizeof(AVStream));
- st->codec.frame_number = 0; /* XXX: should be done in
- AVStream, not in codec */
- }
- c->got_key_frame = 0;
+ /* prepare header and save header data in a stream */
+ if (url_open_dyn_buf(&c->fmt_ctx.pb) < 0) {
+ /* XXX: potential leak */
+ return -1;
}
- init_put_byte(&c->fmt_ctx.pb, c->pbuffer, PACKET_MAX_SIZE,
- 1, c, NULL, http_write_packet, NULL);
c->fmt_ctx.pb.is_streamed = 1;
- /* prepare header */
+
+ av_set_parameters(&c->fmt_ctx, NULL);
av_write_header(&c->fmt_ctx);
+
+ len = url_close_dyn_buf(&c->fmt_ctx.pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
c->state = HTTPSTATE_SEND_DATA;
c->last_packet_sent = 0;
break;
case HTTPSTATE_SEND_DATA:
/* find a new packet */
-#if 0
- fifo_total_size = http_fifo_write_count - c->last_http_fifo_write_count;
- if (fifo_total_size >= ((3 * FIFO_MAX_SIZE) / 4)) {
- /* overflow : resync. We suppose that wptr is at this
- point a pointer to a valid packet */
- c->rptr = http_fifo.wptr;
- c->got_key_frame = 0;
- }
-
- start_rptr = c->rptr;
- if (fifo_read(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &c->rptr) < 0)
- return 0;
- payload_size = ntohs(hdr.payload_size);
- payload = av_malloc(payload_size);
- if (fifo_read(&http_fifo, payload, payload_size, &c->rptr) < 0) {
- /* cannot read all the payload */
- av_free(payload);
- c->rptr = start_rptr;
- return 0;
- }
-
- c->last_http_fifo_write_count = http_fifo_write_count -
- fifo_size(&http_fifo, c->rptr);
-
- if (c->stream->stream_type != STREAM_TYPE_MASTER) {
- /* test if the packet can be handled by this format */
- ret = 0;
- for(i=0;i<c->fmt_ctx.nb_streams;i++) {
- AVStream *st = c->fmt_ctx.streams[i];
- if (test_header(&hdr, &st->codec)) {
- /* only begin sending when got a key frame */
- if (st->codec.key_frame)
- c->got_key_frame |= 1 << i;
- if (c->got_key_frame & (1 << i)) {
- ret = c->fmt_ctx.format->write_packet(&c->fmt_ctx, i,
- payload, payload_size);
- }
- break;
- }
- }
- if (ret) {
- /* must send trailer now */
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
- }
- } else {
- /* master case : send everything */
- char *q;
- q = c->buffer;
- memcpy(q, &hdr, sizeof(hdr));
- q += sizeof(hdr);
- memcpy(q, payload, payload_size);
- q += payload_size;
- c->buffer_ptr = c->buffer;
- c->buffer_end = q;
- }
- av_free(payload);
-#endif
{
AVPacket pkt;
-
+
/* read a packet from the input stream */
if (c->stream->feed) {
ffm_set_write_index(c->fmt_in,
}
if (c->stream->max_time &&
- c->stream->max_time + c->start_time > time(0)) {
+ c->stream->max_time + c->start_time - cur_time < 0) {
/* We have timed out */
c->state = HTTPSTATE_SEND_DATA_TRAILER;
- } else if (av_read_packet(c->fmt_in, &pkt) < 0) {
- if (c->stream->feed && c->stream->feed->feed_opened) {
- /* if coming from feed, it means we reached the end of the
- ffm file, so must wait for more data */
- c->state = HTTPSTATE_WAIT_FEED;
- return 1; /* state changed */
- } else {
- /* must send trailer now because eof or error */
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
- }
} else {
- /* send it to the appropriate stream */
- if (c->stream->feed) {
- /* if coming from a feed, select the right stream */
- for(i=0;i<c->stream->nb_streams;i++) {
- if (c->stream->feed_streams[i] == pkt.stream_index) {
- pkt.stream_index = i;
- if (pkt.flags & PKT_FLAG_KEY) {
- c->got_key_frame |= 1 << i;
- }
- /* See if we have all the key frames, then
- * we start to send. This logic is not quite
- * right, but it works for the case of a
- * single video stream with one or more
- * audio streams (for which every frame is
- * typically a key frame).
- */
- if (!c->stream->send_on_key || ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
- goto send_it;
- }
+ redo:
+ if (av_read_frame(c->fmt_in, &pkt) < 0) {
+ if (c->stream->feed && c->stream->feed->feed_opened) {
+ /* if coming from feed, it means we reached the end of the
+ ffm file, so must wait for more data */
+ c->state = HTTPSTATE_WAIT_FEED;
+ return 1; /* state changed */
+ } else {
+ if (c->stream->loop) {
+ av_close_input_file(c->fmt_in);
+ c->fmt_in = NULL;
+ if (open_input_stream(c, "") < 0)
+ goto no_loop;
+ goto redo;
+ } else {
+ no_loop:
+ /* must send trailer now because eof or error */
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
}
}
} else {
- AVCodecContext *codec;
- send_it:
- /* Fudge here */
- codec = &c->fmt_ctx.streams[pkt.stream_index]->codec;
-
- codec->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
-
-#ifdef PJSG
- if (codec->codec_type == CODEC_TYPE_AUDIO) {
- codec->frame_size = (codec->sample_rate * pkt.duration + 500000) / 1000000;
- /* printf("Calculated size %d, from sr %d, duration %d\n", codec->frame_size, codec->sample_rate, pkt.duration); */
+ /* update first pts if needed */
+ if (c->first_pts == AV_NOPTS_VALUE) {
+ c->first_pts = av_rescale_q(pkt.dts, c->fmt_in->streams[pkt.stream_index]->time_base, AV_TIME_BASE_Q);
+ c->start_time = cur_time;
}
+ /* send it to the appropriate stream */
+ if (c->stream->feed) {
+ /* if coming from a feed, select the right stream */
+ if (c->switch_pending) {
+ c->switch_pending = 0;
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->switch_feed_streams[i] == pkt.stream_index) {
+ if (pkt.flags & PKT_FLAG_KEY) {
+ do_switch_stream(c, i);
+ }
+ }
+ if (c->switch_feed_streams[i] >= 0) {
+ c->switch_pending = 1;
+ }
+ }
+ }
+ for(i=0;i<c->stream->nb_streams;i++) {
+ if (c->feed_streams[i] == pkt.stream_index) {
+ pkt.stream_index = i;
+ if (pkt.flags & PKT_FLAG_KEY) {
+ c->got_key_frame |= 1 << i;
+ }
+ /* See if we have all the key frames, then
+ * we start to send. This logic is not quite
+ * right, but it works for the case of a
+ * single video stream with one or more
+ * audio streams (for which every frame is
+ * typically a key frame).
+ */
+ if (!c->stream->send_on_key ||
+ ((c->got_key_frame + 1) >> c->stream->nb_streams)) {
+ goto send_it;
+ }
+ }
+ }
+ } else {
+ AVCodecContext *codec;
+
+ send_it:
+ /* specific handling for RTP: we use several
+ output stream (one for each RTP
+ connection). XXX: need more abstract handling */
+ if (c->is_packetized) {
+ AVStream *st;
+ /* compute send time and duration */
+ st = c->fmt_in->streams[pkt.stream_index];
+ c->cur_pts = av_rescale_q(pkt.dts, st->time_base, AV_TIME_BASE_Q);
+ if (st->start_time != AV_NOPTS_VALUE)
+ c->cur_pts -= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
+ c->cur_frame_duration = av_rescale_q(pkt.duration, st->time_base, AV_TIME_BASE_Q);
+#if 0
+ printf("index=%d pts=%0.3f duration=%0.6f\n",
+ pkt.stream_index,
+ (double)c->cur_pts /
+ AV_TIME_BASE,
+ (double)c->cur_frame_duration /
+ AV_TIME_BASE);
#endif
-
- if (av_write_packet(&c->fmt_ctx, &pkt, 0))
- c->state = HTTPSTATE_SEND_DATA_TRAILER;
-
- codec->frame_number++;
+ /* find RTP context */
+ c->packet_stream_index = pkt.stream_index;
+ ctx = c->rtp_ctx[c->packet_stream_index];
+ if(!ctx) {
+ av_free_packet(&pkt);
+ break;
+ }
+ codec = &ctx->streams[0]->codec;
+ /* only one stream per RTP connection */
+ pkt.stream_index = 0;
+ } else {
+ ctx = &c->fmt_ctx;
+ /* Fudge here */
+ codec = &ctx->streams[pkt.stream_index]->codec;
+ }
+
+ codec->coded_frame->key_frame = ((pkt.flags & PKT_FLAG_KEY) != 0);
+ if (c->is_packetized) {
+ int max_packet_size;
+ if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP)
+ max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
+ else
+ max_packet_size = url_get_max_packet_size(c->rtp_handles[c->packet_stream_index]);
+ ret = url_open_dyn_packet_buf(&ctx->pb, max_packet_size);
+ } else {
+ ret = url_open_dyn_buf(&ctx->pb);
+ }
+ if (ret < 0) {
+ /* XXX: potential leak */
+ return -1;
+ }
+ if (av_write_frame(ctx, &pkt)) {
+ c->state = HTTPSTATE_SEND_DATA_TRAILER;
+ }
+
+ len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
+ c->cur_frame_bytes = len;
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
+ codec->frame_number++;
+ if (len == 0)
+ goto redo;
+ }
+ av_free_packet(&pkt);
}
-
- av_free_packet(&pkt);
}
}
break;
default:
case HTTPSTATE_SEND_DATA_TRAILER:
/* last packet test ? */
- if (c->last_packet_sent)
+ if (c->last_packet_sent || c->is_packetized)
return -1;
+ ctx = &c->fmt_ctx;
/* prepare header */
- av_write_trailer(&c->fmt_ctx);
+ if (url_open_dyn_buf(&ctx->pb) < 0) {
+ /* XXX: potential leak */
+ return -1;
+ }
+ av_write_trailer(ctx);
+ len = url_close_dyn_buf(&ctx->pb, &c->pb_buffer);
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+
c->last_packet_sent = 1;
break;
}
return 0;
}
+/* in bit/s */
+#define SHORT_TERM_BANDWIDTH 8000000
+
/* should convert the format at the same time */
+/* send data starting at c->buffer_ptr to the output connection
+ (either UDP or TCP connection) */
static int http_send_data(HTTPContext *c)
{
int len, ret;
- while (c->buffer_ptr >= c->buffer_end) {
- ret = http_prepare_data(c);
- if (ret < 0)
- return -1;
- else if (ret == 0) {
- continue;
- } else {
- /* state change requested */
- return 0;
- }
- }
-
- if (c->buffer_end > c->buffer_ptr) {
- len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
- if (len < 0) {
- if (errno != EAGAIN && errno != EINTR) {
- /* error : close connection */
+ for(;;) {
+ if (c->buffer_ptr >= c->buffer_end) {
+ ret = http_prepare_data(c);
+ if (ret < 0)
return -1;
+ else if (ret != 0) {
+ /* state change requested */
+ break;
}
} else {
- c->buffer_ptr += len;
- c->data_count += len;
- if (c->stream)
- c->stream->bytes_served += len;
+ if (c->is_packetized) {
+ /* RTP data output */
+ len = c->buffer_end - c->buffer_ptr;
+ if (len < 4) {
+ /* fail safe - should never happen */
+ fail1:
+ c->buffer_ptr = c->buffer_end;
+ return 0;
+ }
+ len = (c->buffer_ptr[0] << 24) |
+ (c->buffer_ptr[1] << 16) |
+ (c->buffer_ptr[2] << 8) |
+ (c->buffer_ptr[3]);
+ if (len > (c->buffer_end - c->buffer_ptr))
+ goto fail1;
+ if ((get_packet_send_clock(c) - get_server_clock(c)) > 0) {
+ /* nothing to send yet: we can wait */
+ return 0;
+ }
+
+ c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ if (c->stream)
+ c->stream->bytes_served += len;
+
+ if (c->rtp_protocol == RTSP_PROTOCOL_RTP_TCP) {
+ /* RTP packets are sent inside the RTSP TCP connection */
+ ByteIOContext pb1, *pb = &pb1;
+ int interleaved_index, size;
+ uint8_t header[4];
+ HTTPContext *rtsp_c;
+
+ rtsp_c = c->rtsp_c;
+ /* if no RTSP connection left, error */
+ if (!rtsp_c)
+ return -1;
+ /* if already sending something, then wait. */
+ if (rtsp_c->state != RTSPSTATE_WAIT_REQUEST) {
+ break;
+ }
+ if (url_open_dyn_buf(pb) < 0)
+ goto fail1;
+ interleaved_index = c->packet_stream_index * 2;
+ /* RTCP packets are sent at odd indexes */
+ if (c->buffer_ptr[1] == 200)
+ interleaved_index++;
+ /* write RTSP TCP header */
+ header[0] = '$';
+ header[1] = interleaved_index;
+ header[2] = len >> 8;
+ header[3] = len;
+ put_buffer(pb, header, 4);
+ /* write RTP packet data */
+ c->buffer_ptr += 4;
+ put_buffer(pb, c->buffer_ptr, len);
+ size = url_close_dyn_buf(pb, &c->packet_buffer);
+ /* prepare asynchronous TCP sending */
+ rtsp_c->packet_buffer_ptr = c->packet_buffer;
+ rtsp_c->packet_buffer_end = c->packet_buffer + size;
+ c->buffer_ptr += len;
+
+ /* send everything we can NOW */
+ len = write(rtsp_c->fd, rtsp_c->packet_buffer_ptr,
+ rtsp_c->packet_buffer_end - rtsp_c->packet_buffer_ptr);
+ if (len > 0) {
+ rtsp_c->packet_buffer_ptr += len;
+ }
+ if (rtsp_c->packet_buffer_ptr < rtsp_c->packet_buffer_end) {
+ /* if we could not send all the data, we will
+ send it later, so a new state is needed to
+ "lock" the RTSP TCP connection */
+ rtsp_c->state = RTSPSTATE_SEND_PACKET;
+ break;
+ } else {
+ /* all data has been sent */
+ av_freep(&c->packet_buffer);
+ }
+ } else {
+ /* send RTP packet directly in UDP */
+ c->buffer_ptr += 4;
+ url_write(c->rtp_handles[c->packet_stream_index],
+ c->buffer_ptr, len);
+ c->buffer_ptr += len;
+ /* here we continue as we can send several packets per 10 ms slot */
+ }
+ } else {
+ /* TCP data output */
+ len = write(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
+ if (len < 0) {
+ if (errno != EAGAIN && errno != EINTR) {
+ /* error : close connection */
+ return -1;
+ } else {
+ return 0;
+ }
+ } else {
+ c->buffer_ptr += len;
+ }
+ c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ if (c->stream)
+ c->stream->bytes_served += len;
+ break;
+ }
}
- }
+ } /* for(;;) */
return 0;
}
if (c->stream->feed_opened)
return -1;
+ /* Don't permit writing to this one */
+ if (c->stream->readonly)
+ return -1;
+
/* open feed */
fd = open(c->stream->feed_filename, O_RDWR);
if (fd < 0)
} else {
c->buffer_ptr += len;
c->data_count += len;
+ update_datarate(&c->datarate, c->data_count);
+ }
+ }
+
+ if (c->buffer_ptr - c->buffer >= 2 && c->data_count > FFM_PACKET_SIZE) {
+ if (c->buffer[0] != 'f' ||
+ c->buffer[1] != 'm') {
+ http_log("Feed stream has become desynchronized -- disconnecting\n");
+ goto fail;
}
}
if (!fmt_in)
goto fail;
- s.priv_data = av_mallocz(fmt_in->priv_data_size);
- if (!s.priv_data)
- goto fail;
+ if (fmt_in->priv_data_size > 0) {
+ s.priv_data = av_mallocz(fmt_in->priv_data_size);
+ if (!s.priv_data)
+ goto fail;
+ } else
+ s.priv_data = NULL;
if (fmt_in->read_header(&s, 0) < 0) {
av_freep(&s.priv_data);
return -1;
}
+/********************************************************************/
+/* RTSP handling */
+
+static void rtsp_reply_header(HTTPContext *c, enum RTSPStatusCode error_number)
+{
+ const char *str;
+ time_t ti;
+ char *p;
+ char buf2[32];
+
+ switch(error_number) {
+#define DEF(n, c, s) case c: str = s; break;
+#include "rtspcodes.h"
+#undef DEF
+ default:
+ str = "Unknown Error";
+ break;
+ }
+
+ url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", error_number, str);
+ url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
+
+ /* output GMT time */
+ ti = time(NULL);
+ p = ctime(&ti);
+ strcpy(buf2, p);
+ p = buf2 + strlen(p) - 1;
+ if (*p == '\n')
+ *p = '\0';
+ url_fprintf(c->pb, "Date: %s GMT\r\n", buf2);
+}
+
+static void rtsp_reply_error(HTTPContext *c, enum RTSPStatusCode error_number)
+{
+ rtsp_reply_header(c, error_number);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static int rtsp_parse_request(HTTPContext *c)
+{
+ const char *p, *p1, *p2;
+ char cmd[32];
+ char url[1024];
+ char protocol[32];
+ char line[1024];
+ ByteIOContext pb1;
+ int len;
+ RTSPHeader header1, *header = &header1;
+
+ c->buffer_ptr[0] = '\0';
+ p = c->buffer;
+
+ get_word(cmd, sizeof(cmd), &p);
+ get_word(url, sizeof(url), &p);
+ get_word(protocol, sizeof(protocol), &p);
+
+ pstrcpy(c->method, sizeof(c->method), cmd);
+ pstrcpy(c->url, sizeof(c->url), url);
+ pstrcpy(c->protocol, sizeof(c->protocol), protocol);
+
+ c->pb = &pb1;
+ if (url_open_dyn_buf(c->pb) < 0) {
+ /* XXX: cannot do more */
+ c->pb = NULL; /* safety */
+ return -1;
+ }
+
+ /* check version name */
+ if (strcmp(protocol, "RTSP/1.0") != 0) {
+ rtsp_reply_error(c, RTSP_STATUS_VERSION);
+ goto the_end;
+ }
+
+ /* parse each header line */
+ memset(header, 0, sizeof(RTSPHeader));
+ /* skip to next line */
+ while (*p != '\n' && *p != '\0')
+ p++;
+ if (*p == '\n')
+ p++;
+ while (*p != '\0') {
+ p1 = strchr(p, '\n');
+ if (!p1)
+ break;
+ p2 = p1;
+ if (p2 > p && p2[-1] == '\r')
+ p2--;
+ /* skip empty line */
+ if (p2 == p)
+ break;
+ len = p2 - p;
+ if (len > sizeof(line) - 1)
+ len = sizeof(line) - 1;
+ memcpy(line, p, len);
+ line[len] = '\0';
+ rtsp_parse_line(header, line);
+ p = p1 + 1;
+ }
+
+ /* handle sequence number */
+ c->seq = header->seq;
+
+ if (!strcmp(cmd, "DESCRIBE")) {
+ rtsp_cmd_describe(c, url);
+ } else if (!strcmp(cmd, "OPTIONS")) {
+ rtsp_cmd_options(c, url);
+ } else if (!strcmp(cmd, "SETUP")) {
+ rtsp_cmd_setup(c, url, header);
+ } else if (!strcmp(cmd, "PLAY")) {
+ rtsp_cmd_play(c, url, header);
+ } else if (!strcmp(cmd, "PAUSE")) {
+ rtsp_cmd_pause(c, url, header);
+ } else if (!strcmp(cmd, "TEARDOWN")) {
+ rtsp_cmd_teardown(c, url, header);
+ } else {
+ rtsp_reply_error(c, RTSP_STATUS_METHOD);
+ }
+ the_end:
+ len = url_close_dyn_buf(c->pb, &c->pb_buffer);
+ c->pb = NULL; /* safety */
+ if (len < 0) {
+ /* XXX: cannot do more */
+ return -1;
+ }
+ c->buffer_ptr = c->pb_buffer;
+ c->buffer_end = c->pb_buffer + len;
+ c->state = RTSPSTATE_SEND_REPLY;
+ return 0;
+}
+
+/* XXX: move that to rtsp.c, but would need to replace FFStream by
+ AVFormatContext */
+static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
+ struct in_addr my_ip)
+{
+ ByteIOContext pb1, *pb = &pb1;
+ int i, payload_type, port, private_payload_type, j;
+ const char *ipstr, *title, *mediatype;
+ AVStream *st;
+
+ if (url_open_dyn_buf(pb) < 0)
+ return -1;
+
+ /* general media info */
+
+ url_fprintf(pb, "v=0\n");
+ ipstr = inet_ntoa(my_ip);
+ url_fprintf(pb, "o=- 0 0 IN IP4 %s\n", ipstr);
+ title = stream->title;
+ if (title[0] == '\0')
+ title = "No Title";
+ url_fprintf(pb, "s=%s\n", title);
+ if (stream->comment[0] != '\0')
+ url_fprintf(pb, "i=%s\n", stream->comment);
+ if (stream->is_multicast) {
+ url_fprintf(pb, "c=IN IP4 %s\n", inet_ntoa(stream->multicast_ip));
+ }
+ /* for each stream, we output the necessary info */
+ private_payload_type = RTP_PT_PRIVATE;
+ for(i = 0; i < stream->nb_streams; i++) {
+ st = stream->streams[i];
+ if (st->codec.codec_id == CODEC_ID_MPEG2TS) {
+ mediatype = "video";
+ } else {
+ switch(st->codec.codec_type) {
+ case CODEC_TYPE_AUDIO:
+ mediatype = "audio";
+ break;
+ case CODEC_TYPE_VIDEO:
+ mediatype = "video";
+ break;
+ default:
+ mediatype = "application";
+ break;
+ }
+ }
+ /* NOTE: the port indication is not correct in case of
+ unicast. It is not an issue because RTSP gives it */
+ payload_type = rtp_get_payload_type(&st->codec);
+ if (payload_type < 0)
+ payload_type = private_payload_type++;
+ if (stream->is_multicast) {
+ port = stream->multicast_port + 2 * i;
+ } else {
+ port = 0;
+ }
+ url_fprintf(pb, "m=%s %d RTP/AVP %d\n",
+ mediatype, port, payload_type);
+ if (payload_type >= RTP_PT_PRIVATE) {
+ /* for private payload type, we need to give more info */
+ switch(st->codec.codec_id) {
+ case CODEC_ID_MPEG4:
+ {
+ uint8_t *data;
+ url_fprintf(pb, "a=rtpmap:%d MP4V-ES/%d\n",
+ payload_type, 90000);
+ /* we must also add the mpeg4 header */
+ data = st->codec.extradata;
+ if (data) {
+ url_fprintf(pb, "a=fmtp:%d config=", payload_type);
+ for(j=0;j<st->codec.extradata_size;j++) {
+ url_fprintf(pb, "%02x", data[j]);
+ }
+ url_fprintf(pb, "\n");
+ }
+ }
+ break;
+ default:
+ /* XXX: add other codecs ? */
+ goto fail;
+ }
+ }
+ url_fprintf(pb, "a=control:streamid=%d\n", i);
+ }
+ return url_close_dyn_buf(pb, pbuffer);
+ fail:
+ url_close_dyn_buf(pb, pbuffer);
+ av_free(*pbuffer);
+ return -1;
+}
+
+static void rtsp_cmd_options(HTTPContext *c, const char *url)
+{
+// rtsp_reply_header(c, RTSP_STATUS_OK);
+ url_fprintf(c->pb, "RTSP/1.0 %d %s\r\n", RTSP_STATUS_OK, "OK");
+ url_fprintf(c->pb, "CSeq: %d\r\n", c->seq);
+ url_fprintf(c->pb, "Public: %s\r\n", "OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE");
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_describe(HTTPContext *c, const char *url)
+{
+ FFStream *stream;
+ char path1[1024];
+ const char *path;
+ uint8_t *content;
+ int content_length, len;
+ struct sockaddr_in my_addr;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (!stream->is_feed && stream->fmt == &rtp_mux &&
+ !strcmp(path, stream->filename)) {
+ goto found;
+ }
+ }
+ /* no stream found */
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
+ return;
+
+ found:
+ /* prepare the media description in sdp format */
+
+ /* get the host IP */
+ len = sizeof(my_addr);
+ getsockname(c->fd, (struct sockaddr *)&my_addr, &len);
+ content_length = prepare_sdp_description(stream, &content, my_addr.sin_addr);
+ if (content_length < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
+ return;
+ }
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ url_fprintf(c->pb, "Content-Type: application/sdp\r\n");
+ url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
+ url_fprintf(c->pb, "\r\n");
+ put_buffer(c->pb, content, content_length);
+}
+
+static HTTPContext *find_rtp_session(const char *session_id)
+{
+ HTTPContext *c;
+
+ if (session_id[0] == '\0')
+ return NULL;
+
+ for(c = first_http_ctx; c != NULL; c = c->next) {
+ if (!strcmp(c->session_id, session_id))
+ return c;
+ }
+ return NULL;
+}
+
+static RTSPTransportField *find_transport(RTSPHeader *h, enum RTSPProtocol protocol)
+{
+ RTSPTransportField *th;
+ int i;
+
+ for(i=0;i<h->nb_transports;i++) {
+ th = &h->transports[i];
+ if (th->protocol == protocol)
+ return th;
+ }
+ return NULL;
+}
+
+static void rtsp_cmd_setup(HTTPContext *c, const char *url,
+ RTSPHeader *h)
+{
+ FFStream *stream;
+ int stream_index, port;
+ char buf[1024];
+ char path1[1024];
+ const char *path;
+ HTTPContext *rtp_c;
+ RTSPTransportField *th;
+ struct sockaddr_in dest_addr;
+ RTSPActionServerSetup setup;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+
+ /* now check each stream */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ if (!stream->is_feed && stream->fmt == &rtp_mux) {
+ /* accept aggregate filenames only if single stream */
+ if (!strcmp(path, stream->filename)) {
+ if (stream->nb_streams != 1) {
+ rtsp_reply_error(c, RTSP_STATUS_AGGREGATE);
+ return;
+ }
+ stream_index = 0;
+ goto found;
+ }
+
+ for(stream_index = 0; stream_index < stream->nb_streams;
+ stream_index++) {
+ snprintf(buf, sizeof(buf), "%s/streamid=%d",
+ stream->filename, stream_index);
+ if (!strcmp(path, buf))
+ goto found;
+ }
+ }
+ }
+ /* no stream found */
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE); /* XXX: right error ? */
+ return;
+ found:
+
+ /* generate session id if needed */
+ if (h->session_id[0] == '\0') {
+ snprintf(h->session_id, sizeof(h->session_id),
+ "%08x%08x", (int)random(), (int)random());
+ }
+
+ /* find rtp session, and create it if none found */
+ rtp_c = find_rtp_session(h->session_id);
+ if (!rtp_c) {
+ /* always prefer UDP */
+ th = find_transport(h, RTSP_PROTOCOL_RTP_UDP);
+ if (!th) {
+ th = find_transport(h, RTSP_PROTOCOL_RTP_TCP);
+ if (!th) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+ }
+
+ rtp_c = rtp_new_connection(&c->from_addr, stream, h->session_id,
+ th->protocol);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_BANDWIDTH);
+ return;
+ }
+
+ /* open input stream */
+ if (open_input_stream(rtp_c, "") < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_INTERNAL);
+ return;
+ }
+ }
+
+ /* test if stream is OK (test needed because several SETUP needs
+ to be done for a given file) */
+ if (rtp_c->stream != stream) {
+ rtsp_reply_error(c, RTSP_STATUS_SERVICE);
+ return;
+ }
+
+ /* test if stream is already set up */
+ if (rtp_c->rtp_ctx[stream_index]) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+ /* check transport */
+ th = find_transport(h, rtp_c->rtp_protocol);
+ if (!th || (th->protocol == RTSP_PROTOCOL_RTP_UDP &&
+ th->client_port_min <= 0)) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+
+ /* setup default options */
+ setup.transport_option[0] = '\0';
+ dest_addr = rtp_c->from_addr;
+ dest_addr.sin_port = htons(th->client_port_min);
+
+ /* add transport option if needed */
+ if (ff_rtsp_callback) {
+ setup.ipaddr = ntohl(dest_addr.sin_addr.s_addr);
+ if (ff_rtsp_callback(RTSP_ACTION_SERVER_SETUP, rtp_c->session_id,
+ (char *)&setup, sizeof(setup),
+ stream->rtsp_option) < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+ dest_addr.sin_addr.s_addr = htonl(setup.ipaddr);
+ }
+
+ /* setup stream */
+ if (rtp_new_av_stream(rtp_c, stream_index, &dest_addr, c) < 0) {
+ rtsp_reply_error(c, RTSP_STATUS_TRANSPORT);
+ return;
+ }
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+
+ switch(rtp_c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP:
+ port = rtp_get_local_port(rtp_c->rtp_handles[stream_index]);
+ url_fprintf(c->pb, "Transport: RTP/AVP/UDP;unicast;"
+ "client_port=%d-%d;server_port=%d-%d",
+ th->client_port_min, th->client_port_min + 1,
+ port, port + 1);
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ url_fprintf(c->pb, "Transport: RTP/AVP/TCP;interleaved=%d-%d",
+ stream_index * 2, stream_index * 2 + 1);
+ break;
+ default:
+ break;
+ }
+ if (setup.transport_option[0] != '\0') {
+ url_fprintf(c->pb, ";%s", setup.transport_option);
+ }
+ url_fprintf(c->pb, "\r\n");
+
+
+ url_fprintf(c->pb, "\r\n");
+}
+
+
+/* find an rtp connection by using the session ID. Check consistency
+ with filename */
+static HTTPContext *find_rtp_session_with_url(const char *url,
+ const char *session_id)
+{
+ HTTPContext *rtp_c;
+ char path1[1024];
+ const char *path;
+ char buf[1024];
+ int s;
+
+ rtp_c = find_rtp_session(session_id);
+ if (!rtp_c)
+ return NULL;
+
+ /* find which url is asked */
+ url_split(NULL, 0, NULL, 0, NULL, 0, NULL, path1, sizeof(path1), url);
+ path = path1;
+ if (*path == '/')
+ path++;
+ if(!strcmp(path, rtp_c->stream->filename)) return rtp_c;
+ for(s=0; s<rtp_c->stream->nb_streams; ++s) {
+ snprintf(buf, sizeof(buf), "%s/streamid=%d",
+ rtp_c->stream->filename, s);
+ if(!strncmp(path, buf, sizeof(buf))) {
+ // XXX: Should we reply with RTSP_STATUS_ONLY_AGGREGATE if nb_streams>1?
+ return rtp_c;
+ }
+ }
+ return NULL;
+}
+
+static void rtsp_cmd_play(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ if (rtp_c->state != HTTPSTATE_SEND_DATA &&
+ rtp_c->state != HTTPSTATE_WAIT_FEED &&
+ rtp_c->state != HTTPSTATE_READY) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+#if 0
+ /* XXX: seek in stream */
+ if (h->range_start != AV_NOPTS_VALUE) {
+ printf("range_start=%0.3f\n", (double)h->range_start / AV_TIME_BASE);
+ av_seek_frame(rtp_c->fmt_in, -1, h->range_start);
+ }
+#endif
+
+ rtp_c->state = HTTPSTATE_SEND_DATA;
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_pause(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ if (rtp_c->state != HTTPSTATE_SEND_DATA &&
+ rtp_c->state != HTTPSTATE_WAIT_FEED) {
+ rtsp_reply_error(c, RTSP_STATUS_STATE);
+ return;
+ }
+
+ rtp_c->state = HTTPSTATE_READY;
+ rtp_c->first_pts = AV_NOPTS_VALUE;
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
+{
+ HTTPContext *rtp_c;
+
+ rtp_c = find_rtp_session_with_url(url, h->session_id);
+ if (!rtp_c) {
+ rtsp_reply_error(c, RTSP_STATUS_SESSION);
+ return;
+ }
+
+ /* abort the session */
+ close_connection(rtp_c);
+
+ if (ff_rtsp_callback) {
+ ff_rtsp_callback(RTSP_ACTION_SERVER_TEARDOWN, rtp_c->session_id,
+ NULL, 0,
+ rtp_c->stream->rtsp_option);
+ }
+
+ /* now everything is OK, so we can send the connection parameters */
+ rtsp_reply_header(c, RTSP_STATUS_OK);
+ /* session ID */
+ url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
+ url_fprintf(c->pb, "\r\n");
+}
+
+
+/********************************************************************/
+/* RTP handling */
+
+static HTTPContext *rtp_new_connection(struct sockaddr_in *from_addr,
+ FFStream *stream, const char *session_id,
+ enum RTSPProtocol rtp_protocol)
+{
+ HTTPContext *c = NULL;
+ const char *proto_str;
+
+ /* XXX: should output a warning page when coming
+ close to the connection limit */
+ if (nb_connections >= nb_max_connections)
+ goto fail;
+
+ /* add a new connection */
+ c = av_mallocz(sizeof(HTTPContext));
+ if (!c)
+ goto fail;
+
+ c->fd = -1;
+ c->poll_entry = NULL;
+ c->from_addr = *from_addr;
+ c->buffer_size = IOBUFFER_INIT_SIZE;
+ c->buffer = av_malloc(c->buffer_size);
+ if (!c->buffer)
+ goto fail;
+ nb_connections++;
+ c->stream = stream;
+ pstrcpy(c->session_id, sizeof(c->session_id), session_id);
+ c->state = HTTPSTATE_READY;
+ c->is_packetized = 1;
+ c->rtp_protocol = rtp_protocol;
+
+ /* protocol is shown in statistics */
+ switch(c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ proto_str = "MCAST";
+ break;
+ case RTSP_PROTOCOL_RTP_UDP:
+ proto_str = "UDP";
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ proto_str = "TCP";
+ break;
+ default:
+ proto_str = "???";
+ break;
+ }
+ pstrcpy(c->protocol, sizeof(c->protocol), "RTP/");
+ pstrcat(c->protocol, sizeof(c->protocol), proto_str);
+
+ current_bandwidth += stream->bandwidth;
+
+ c->next = first_http_ctx;
+ first_http_ctx = c;
+ return c;
+
+ fail:
+ if (c) {
+ av_free(c->buffer);
+ av_free(c);
+ }
+ return NULL;
+}
+
+/* add a new RTP stream in an RTP connection (used in RTSP SETUP
+ command). If RTP/TCP protocol is used, TCP connection 'rtsp_c' is
+ used. */
+static int rtp_new_av_stream(HTTPContext *c,
+ int stream_index, struct sockaddr_in *dest_addr,
+ HTTPContext *rtsp_c)
+{
+ AVFormatContext *ctx;
+ AVStream *st;
+ char *ipaddr;
+ URLContext *h;
+ uint8_t *dummy_buf;
+ char buf2[32];
+ int max_packet_size;
+
+ /* now we can open the relevant output stream */
+ ctx = av_alloc_format_context();
+ if (!ctx)
+ return -1;
+ ctx->oformat = &rtp_mux;
+
+ st = av_mallocz(sizeof(AVStream));
+ if (!st)
+ goto fail;
+ ctx->nb_streams = 1;
+ ctx->streams[0] = st;
+
+ if (!c->stream->feed ||
+ c->stream->feed == c->stream) {
+ memcpy(st, c->stream->streams[stream_index], sizeof(AVStream));
+ } else {
+ memcpy(st,
+ c->stream->feed->streams[c->stream->feed_streams[stream_index]],
+ sizeof(AVStream));
+ }
+
+ /* build destination RTP address */
+ ipaddr = inet_ntoa(dest_addr->sin_addr);
+
+ switch(c->rtp_protocol) {
+ case RTSP_PROTOCOL_RTP_UDP:
+ case RTSP_PROTOCOL_RTP_UDP_MULTICAST:
+ /* RTP/UDP case */
+
+ /* XXX: also pass as parameter to function ? */
+ if (c->stream->is_multicast) {
+ int ttl;
+ ttl = c->stream->multicast_ttl;
+ if (!ttl)
+ ttl = 16;
+ snprintf(ctx->filename, sizeof(ctx->filename),
+ "rtp://%s:%d?multicast=1&ttl=%d",
+ ipaddr, ntohs(dest_addr->sin_port), ttl);
+ } else {
+ snprintf(ctx->filename, sizeof(ctx->filename),
+ "rtp://%s:%d", ipaddr, ntohs(dest_addr->sin_port));
+ }
+
+ if (url_open(&h, ctx->filename, URL_WRONLY) < 0)
+ goto fail;
+ c->rtp_handles[stream_index] = h;
+ max_packet_size = url_get_max_packet_size(h);
+ break;
+ case RTSP_PROTOCOL_RTP_TCP:
+ /* RTP/TCP case */
+ c->rtsp_c = rtsp_c;
+ max_packet_size = RTSP_TCP_MAX_PACKET_SIZE;
+ break;
+ default:
+ goto fail;
+ }
+
+ http_log("%s:%d - - [%s] \"PLAY %s/streamid=%d %s\"\n",
+ ipaddr, ntohs(dest_addr->sin_port),
+ ctime1(buf2),
+ c->stream->filename, stream_index, c->protocol);
+
+ /* normally, no packets should be output here, but the packet size may be checked */
+ if (url_open_dyn_packet_buf(&ctx->pb, max_packet_size) < 0) {
+ /* XXX: close stream */
+ goto fail;
+ }
+ av_set_parameters(ctx, NULL);
+ if (av_write_header(ctx) < 0) {
+ fail:
+ if (h)
+ url_close(h);
+ av_free(ctx);
+ return -1;
+ }
+ url_close_dyn_buf(&ctx->pb, &dummy_buf);
+ av_free(dummy_buf);
+
+ c->rtp_ctx[stream_index] = ctx;
+ return 0;
+}
+
+/********************************************************************/
+/* ffserver initialization */
+
+static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
+{
+ AVStream *fst;
+
+ fst = av_mallocz(sizeof(AVStream));
+ if (!fst)
+ return NULL;
+ fst->priv_data = av_mallocz(sizeof(FeedData));
+ memcpy(&fst->codec, codec, sizeof(AVCodecContext));
+ fst->codec.coded_frame = &dummy_frame;
+ fst->index = stream->nb_streams;
+ av_set_pts_info(fst, 33, 1, 90000);
+ stream->streams[stream->nb_streams++] = fst;
+ return fst;
+}
+
/* return the stream number in the feed */
-int add_av_stream(FFStream *feed,
- AVStream *st)
+static int add_av_stream(FFStream *feed, AVStream *st)
{
AVStream *fst;
AVCodecContext *av, *av1;
case CODEC_TYPE_VIDEO:
if (av1->width == av->width &&
av1->height == av->height &&
- av1->frame_rate == av->frame_rate &&
+ av1->time_base.den == av->time_base.den &&
+ av1->time_base.num == av->time_base.num &&
av1->gop_size == av->gop_size)
goto found;
break;
}
}
}
-
- fst = av_mallocz(sizeof(AVStream));
- if (!fst)
- return -1;
- fst->priv_data = av_mallocz(sizeof(FeedData));
- memcpy(&fst->codec, av, sizeof(AVCodecContext));
- feed->streams[feed->nb_streams++] = fst;
- return feed->nb_streams - 1;
- found:
- return i;
+
+ fst = add_av_stream1(feed, av);
+ if (!fst)
+ return -1;
+ return feed->nb_streams - 1;
+ found:
+ return i;
+}
+
+static void remove_stream(FFStream *stream)
+{
+ FFStream **ps;
+ ps = &first_stream;
+ while (*ps != NULL) {
+ if (*ps == stream) {
+ *ps = (*ps)->next;
+ } else {
+ ps = &(*ps)->next;
+ }
+ }
+}
+
+/* specific mpeg4 handling : we extract the raw parameters */
+static void extract_mpeg4_header(AVFormatContext *infile)
+{
+ int mpeg4_count, i, size;
+ AVPacket pkt;
+ AVStream *st;
+ const uint8_t *p;
+
+ mpeg4_count = 0;
+ for(i=0;i<infile->nb_streams;i++) {
+ st = infile->streams[i];
+ if (st->codec.codec_id == CODEC_ID_MPEG4 &&
+ st->codec.extradata_size == 0) {
+ mpeg4_count++;
+ }
+ }
+ if (!mpeg4_count)
+ return;
+
+ printf("MPEG4 without extra data: trying to find header in %s\n", infile->filename);
+ while (mpeg4_count > 0) {
+ if (av_read_packet(infile, &pkt) < 0)
+ break;
+ st = infile->streams[pkt.stream_index];
+ if (st->codec.codec_id == CODEC_ID_MPEG4 &&
+ st->codec.extradata_size == 0) {
+ av_freep(&st->codec.extradata);
+ /* fill extradata with the header */
+ /* XXX: we make hard suppositions here ! */
+ p = pkt.data;
+ while (p < pkt.data + pkt.size - 4) {
+ /* stop when vop header is found */
+ if (p[0] == 0x00 && p[1] == 0x00 &&
+ p[2] == 0x01 && p[3] == 0xb6) {
+ size = p - pkt.data;
+ // av_hex_dump(pkt.data, size);
+ st->codec.extradata = av_malloc(size);
+ st->codec.extradata_size = size;
+ memcpy(st->codec.extradata, pkt.data, size);
+ break;
+ }
+ p++;
+ }
+ mpeg4_count--;
+ }
+ av_free_packet(&pkt);
+ }
+}
+
+/* compute the needed AVStream for each file */
+static void build_file_streams(void)
+{
+ FFStream *stream, *stream_next;
+ AVFormatContext *infile;
+ int i;
+
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream_next) {
+ stream_next = stream->next;
+ if (stream->stream_type == STREAM_TYPE_LIVE &&
+ !stream->feed) {
+ /* the stream comes from a file */
+ /* try to open the file */
+ /* open stream */
+ stream->ap_in = av_mallocz(sizeof(AVFormatParameters));
+ if (stream->fmt == &rtp_mux) {
+ /* specific case : if transport stream output to RTP,
+ we use a raw transport stream reader */
+ stream->ap_in->mpeg2ts_raw = 1;
+ stream->ap_in->mpeg2ts_compute_pcr = 1;
+ }
+
+ if (av_open_input_file(&infile, stream->feed_filename,
+ stream->ifmt, 0, stream->ap_in) < 0) {
+ http_log("%s not found", stream->feed_filename);
+ /* remove stream (no need to spend more time on it) */
+ fail:
+ remove_stream(stream);
+ } else {
+ /* find all the AVStreams inside and reference them in
+ 'stream' */
+ if (av_find_stream_info(infile) < 0) {
+ http_log("Could not find codec parameters from '%s'",
+ stream->feed_filename);
+ av_close_input_file(infile);
+ goto fail;
+ }
+ extract_mpeg4_header(infile);
+
+ for(i=0;i<infile->nb_streams;i++) {
+ add_av_stream1(stream, &infile->streams[i]->codec);
+ }
+ av_close_input_file(infile);
+ }
+ }
+ }
}
/* compute the needed AVStream for each feed */
-void build_feed_streams(void)
+static void build_feed_streams(void)
{
FFStream *stream, *feed;
int i;
feed = stream->feed;
if (feed) {
if (!stream->is_feed) {
+ /* we handle a stream coming from a feed */
for(i=0;i<stream->nb_streams;i++) {
stream->feed_streams[i] = add_av_stream(feed, stream->streams[i]);
}
- } else {
+ }
+ }
+ }
+
+ /* gather all streams */
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ feed = stream->feed;
+ if (feed) {
+ if (stream->is_feed) {
for(i=0;i<stream->nb_streams;i++) {
stream->feed_streams[i] = i;
}
for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
int fd;
+ if (url_exist(feed->feed_filename)) {
+ /* See if it matches */
+ AVFormatContext *s;
+ int matches = 0;
+
+ if (av_open_input_file(&s, feed->feed_filename, NULL, FFM_PACKET_SIZE, NULL) >= 0) {
+ /* Now see if it matches */
+ if (s->nb_streams == feed->nb_streams) {
+ matches = 1;
+ for(i=0;i<s->nb_streams;i++) {
+ AVStream *sf, *ss;
+ sf = feed->streams[i];
+ ss = s->streams[i];
+
+ if (sf->index != ss->index ||
+ sf->id != ss->id) {
+ printf("Index & Id do not match for stream %d (%s)\n",
+ i, feed->feed_filename);
+ matches = 0;
+ } else {
+ AVCodecContext *ccf, *ccs;
+
+ ccf = &sf->codec;
+ ccs = &ss->codec;
+#define CHECK_CODEC(x) (ccf->x != ccs->x)
+
+ if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
+ printf("Codecs do not match for stream %d\n", i);
+ matches = 0;
+ } else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {
+ printf("Codec bitrates do not match for stream %d\n", i);
+ matches = 0;
+ } else if (ccf->codec_type == CODEC_TYPE_VIDEO) {
+ if (CHECK_CODEC(time_base.den) ||
+ CHECK_CODEC(time_base.num) ||
+ CHECK_CODEC(width) ||
+ CHECK_CODEC(height)) {
+ printf("Codec width, height and framerate do not match for stream %d\n", i);
+ matches = 0;
+ }
+ } else if (ccf->codec_type == CODEC_TYPE_AUDIO) {
+ if (CHECK_CODEC(sample_rate) ||
+ CHECK_CODEC(channels) ||
+ CHECK_CODEC(frame_size)) {
+ printf("Codec sample_rate, channels, frame_size do not match for stream %d\n", i);
+ matches = 0;
+ }
+ } else {
+ printf("Unknown codec type\n");
+ matches = 0;
+ }
+ }
+ if (!matches) {
+ break;
+ }
+ }
+ } else {
+ printf("Deleting feed file '%s' as stream counts differ (%d != %d)\n",
+ feed->feed_filename, s->nb_streams, feed->nb_streams);
+ }
+
+ av_close_input_file(s);
+ } else {
+ printf("Deleting feed file '%s' as it appears to be corrupt\n",
+ feed->feed_filename);
+ }
+ if (!matches) {
+ if (feed->readonly) {
+ printf("Unable to delete feed file '%s' as it is marked readonly\n",
+ feed->feed_filename);
+ exit(1);
+ }
+ unlink(feed->feed_filename);
+ }
+ }
if (!url_exist(feed->feed_filename)) {
AVFormatContext s1, *s = &s1;
+ if (feed->readonly) {
+ printf("Unable to create feed file '%s' as it is marked readonly\n",
+ feed->feed_filename);
+ exit(1);
+ }
+
/* only write the header of the ffm file */
if (url_fopen(&s->pb, feed->feed_filename, URL_WRONLY) < 0) {
fprintf(stderr, "Could not open output feed file '%s'\n",
st = feed->streams[i];
s->streams[i] = st;
}
+ av_set_parameters(s, NULL);
av_write_header(s);
/* XXX: need better api */
av_freep(&s->priv_data);
}
}
+/* compute the bandwidth used by each stream */
+static void compute_bandwidth(void)
+{
+ int bandwidth, i;
+ FFStream *stream;
+
+ for(stream = first_stream; stream != NULL; stream = stream->next) {
+ bandwidth = 0;
+ for(i=0;i<stream->nb_streams;i++) {
+ AVStream *st = stream->streams[i];
+ switch(st->codec.codec_type) {
+ case CODEC_TYPE_AUDIO:
+ case CODEC_TYPE_VIDEO:
+ bandwidth += st->codec.bit_rate;
+ break;
+ default:
+ break;
+ }
+ }
+ stream->bandwidth = (bandwidth + 999) / 1000;
+ }
+}
+
static void get_arg(char *buf, int buf_size, const char **pp)
{
const char *p;
}
/* add a codec and set the default parameters */
-void add_codec(FFStream *stream, AVCodecContext *av)
+static void add_codec(FFStream *stream, AVCodecContext *av)
{
AVStream *st;
case CODEC_TYPE_VIDEO:
if (av->bit_rate == 0)
av->bit_rate = 64000;
- if (av->frame_rate == 0)
- av->frame_rate = 5 * FRAME_RATE_BASE;
+ if (av->time_base.num == 0){
+ av->time_base.den = 5;
+ av->time_base.num = 1;
+ }
if (av->width == 0 || av->height == 0) {
av->width = 160;
av->height = 128;
av->qcompress = 0.5;
av->qblur = 0.5;
+ if (!av->nsse_weight)
+ av->nsse_weight = 8;
+
+ av->frame_skip_cmp = FF_CMP_DCTMAX;
+ av->me_method = ME_EPZS;
+ av->rc_buffer_aggressivity = 1.0;
+
+ if (!av->rc_eq)
+ av->rc_eq = "tex^qComp";
+ if (!av->i_quant_factor)
+ av->i_quant_factor = -0.8;
+ if (!av->b_quant_factor)
+ av->b_quant_factor = 1.25;
+ if (!av->b_quant_offset)
+ av->b_quant_offset = 1.25;
+ if (!av->rc_max_rate)
+ av->rc_max_rate = av->bit_rate * 2;
+
+ if (av->rc_max_rate && !av->rc_buffer_size) {
+ av->rc_buffer_size = av->rc_max_rate;
+ }
+
+
break;
default:
av_abort();
memcpy(&st->codec, av, sizeof(AVCodecContext));
}
-int opt_audio_codec(const char *arg)
+static int opt_audio_codec(const char *arg)
{
AVCodec *p;
return p->id;
}
-int opt_video_codec(const char *arg)
+static int opt_video_codec(const char *arg)
{
AVCodec *p;
return p->id;
}
-int parse_ffconfig(const char *filename)
+/* simplistic plugin support */
+
+#ifdef CONFIG_HAVE_DLOPEN
+void load_module(const char *filename)
+{
+ void *dll;
+ void (*init_func)(void);
+ dll = dlopen(filename, RTLD_NOW);
+ if (!dll) {
+ fprintf(stderr, "Could not load module '%s' - %s\n",
+ filename, dlerror());
+ return;
+ }
+
+ init_func = dlsym(dll, "ffserver_module_init");
+ if (!init_func) {
+ fprintf(stderr,
+ "%s: init function 'ffserver_module_init()' not found\n",
+ filename);
+ dlclose(dll);
+ }
+
+ init_func();
+}
+#endif
+
+static int parse_ffconfig(const char *filename)
{
FILE *f;
char line[1024];
char arg[1024];
const char *p;
int val, errors, line_num;
- FFStream **last_stream, *stream;
+ FFStream **last_stream, *stream, *redirect;
FFStream **last_feed, *feed;
AVCodecContext audio_enc, video_enc;
int audio_id, video_id;
last_feed = &first_feed;
stream = NULL;
feed = NULL;
+ redirect = NULL;
audio_id = CODEC_ID_NONE;
video_id = CODEC_ID_NONE;
for(;;) {
if (!strcasecmp(cmd, "Port")) {
get_arg(arg, sizeof(arg), &p);
- my_addr.sin_port = htons (atoi(arg));
+ my_http_addr.sin_port = htons (atoi(arg));
} else if (!strcasecmp(cmd, "BindAddress")) {
get_arg(arg, sizeof(arg), &p);
- if (!inet_aton(arg, &my_addr.sin_addr)) {
+ if (!inet_aton(arg, &my_http_addr.sin_addr)) {
+ fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "NoDaemon")) {
+ ffserver_daemon = 0;
+ } else if (!strcasecmp(cmd, "RTSPPort")) {
+ get_arg(arg, sizeof(arg), &p);
+ my_rtsp_addr.sin_port = htons (atoi(arg));
+ } else if (!strcasecmp(cmd, "RTSPBindAddress")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (!inet_aton(arg, &my_rtsp_addr.sin_addr)) {
fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
filename, line_num, arg);
errors++;
filename, line_num, arg);
errors++;
} else {
- nb_max_bandwidth = val;
+ max_bandwidth = val;
}
} else if (!strcasecmp(cmd, "CustomLog")) {
get_arg(logfilename, sizeof(logfilename), &p);
feed->is_feed = 1;
feed->feed = feed; /* self feeding :-) */
}
+ } else if (!strcasecmp(cmd, "Launch")) {
+ if (feed) {
+ int i;
+
+ feed->child_argv = (char **) av_mallocz(64 * sizeof(char *));
+
+ feed->child_argv[0] = av_malloc(7);
+ strcpy(feed->child_argv[0], "ffmpeg");
+
+ for (i = 1; i < 62; i++) {
+ char argbuf[256];
+
+ get_arg(argbuf, sizeof(argbuf), &p);
+ if (!argbuf[0])
+ break;
+
+ feed->child_argv[i] = av_malloc(strlen(argbuf) + 1);
+ strcpy(feed->child_argv[i], argbuf);
+ }
+
+ feed->child_argv[i] = av_malloc(30 + strlen(feed->filename));
+
+ snprintf(feed->child_argv[i], 256, "http://127.0.0.1:%d/%s",
+ ntohs(my_http_addr.sin_port), feed->filename);
+ }
+ } else if (!strcasecmp(cmd, "ReadOnlyFile")) {
+ if (feed) {
+ get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
+ feed->readonly = 1;
+ } else if (stream) {
+ get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+ }
} else if (!strcasecmp(cmd, "File")) {
if (feed) {
get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
fsize *= 1024 * 1024 * 1024;
break;
}
- feed->feed_max_size = (INT64)fsize;
+ feed->feed_max_size = (int64_t)fsize;
}
} else if (!strcasecmp(cmd, "</Feed>")) {
if (!feed) {
fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
filename, line_num);
errors++;
+#if 0
} else {
/* Make sure that we start out clean */
if (unlink(feed->feed_filename) < 0
filename, line_num, feed->feed_filename, strerror(errno));
errors++;
}
+#endif
}
feed = NULL;
} else if (!strcasecmp(cmd, "<Stream")) {
q = strrchr(stream->filename, '>');
if (*q)
*q = '\0';
- stream->fmt = guess_format(NULL, stream->filename, NULL);
+ stream->fmt = guess_stream_format(NULL, stream->filename, NULL);
memset(&audio_enc, 0, sizeof(AVCodecContext));
memset(&video_enc, 0, sizeof(AVCodecContext));
audio_id = CODEC_ID_NONE;
/* jpeg cannot be used here, so use single frame jpeg */
if (!strcmp(arg, "jpeg"))
strcpy(arg, "singlejpeg");
- stream->fmt = guess_format(arg, NULL, NULL);
+ stream->fmt = guess_stream_format(arg, NULL, NULL);
if (!stream->fmt) {
fprintf(stderr, "%s:%d: Unknown Format: %s\n",
filename, line_num, arg);
audio_id = stream->fmt->audio_codec;
video_id = stream->fmt->video_codec;
}
+ } else if (!strcasecmp(cmd, "InputFormat")) {
+ stream->ifmt = av_find_input_format(arg);
+ if (!stream->ifmt) {
+ fprintf(stderr, "%s:%d: Unknown input format: %s\n",
+ filename, line_num, arg);
+ }
+ } else if (!strcasecmp(cmd, "FaviconURL")) {
+ if (stream && stream->stream_type == STREAM_TYPE_STATUS) {
+ get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
+ } else {
+ fprintf(stderr, "%s:%d: FaviconURL only permitted for status streams\n",
+ filename, line_num);
+ errors++;
+ }
+ } else if (!strcasecmp(cmd, "Author")) {
+ if (stream) {
+ get_arg(stream->author, sizeof(stream->author), &p);
+ }
+ } else if (!strcasecmp(cmd, "Comment")) {
+ if (stream) {
+ get_arg(stream->comment, sizeof(stream->comment), &p);
+ }
+ } else if (!strcasecmp(cmd, "Copyright")) {
+ if (stream) {
+ get_arg(stream->copyright, sizeof(stream->copyright), &p);
+ }
+ } else if (!strcasecmp(cmd, "Title")) {
+ if (stream) {
+ get_arg(stream->title, sizeof(stream->title), &p);
+ }
} else if (!strcasecmp(cmd, "Preroll")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
- stream->prebuffer = atoi(arg) * 1000;
+ stream->prebuffer = atof(arg) * 1000;
}
} else if (!strcasecmp(cmd, "StartSendOnKey")) {
if (stream) {
} else if (!strcasecmp(cmd, "MaxTime")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
- stream->max_time = atoi(arg);
+ stream->max_time = atof(arg) * 1000;
}
} else if (!strcasecmp(cmd, "AudioBitRate")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
audio_enc.sample_rate = atoi(arg);
}
+ } else if (!strcasecmp(cmd, "AudioQuality")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+// audio_enc.quality = atof(arg) * 1000;
+ }
+ } else if (!strcasecmp(cmd, "VideoBitRateRange")) {
+ if (stream) {
+ int minrate, maxrate;
+
+ get_arg(arg, sizeof(arg), &p);
+
+ if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
+ video_enc.rc_min_rate = minrate * 1000;
+ video_enc.rc_max_rate = maxrate * 1000;
+ } else {
+ fprintf(stderr, "%s:%d: Incorrect format for VideoBitRateRange -- should be <min>-<max>: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ }
+ } else if (!strcasecmp(cmd, "Debug")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.debug = strtol(arg,0,0);
+ }
+ } else if (!strcasecmp(cmd, "Strict")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.strict_std_compliance = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "VideoBufferSize")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.rc_buffer_size = atoi(arg) * 8*1024;
+ }
+ } else if (!strcasecmp(cmd, "VideoBitRateTolerance")) {
+ if (stream) {
+ get_arg(arg, sizeof(arg), &p);
+ video_enc.bit_rate_tolerance = atoi(arg) * 1000;
+ }
} else if (!strcasecmp(cmd, "VideoBitRate")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
} else if (!strcasecmp(cmd, "VideoFrameRate")) {
get_arg(arg, sizeof(arg), &p);
if (stream) {
- video_enc.frame_rate = (int)(strtod(arg, NULL) * FRAME_RATE_BASE);
+ video_enc.time_base.num= DEFAULT_FRAME_RATE_BASE;
+ video_enc.time_base.den = (int)(strtod(arg, NULL) * video_enc.time_base.num);
}
} else if (!strcasecmp(cmd, "VideoGopSize")) {
get_arg(arg, sizeof(arg), &p);
}
} else if (!strcasecmp(cmd, "VideoHighQuality")) {
if (stream) {
- video_enc.flags |= CODEC_FLAG_HQ;
+ video_enc.mb_decision = FF_MB_DECISION_BITS;
+ }
+ } else if (!strcasecmp(cmd, "Video4MotionVector")) {
+ if (stream) {
+ video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
+ video_enc.flags |= CODEC_FLAG_4MV;
}
} else if (!strcasecmp(cmd, "VideoQDiff")) {
+ get_arg(arg, sizeof(arg), &p);
if (stream) {
video_enc.max_qdiff = atoi(arg);
if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
}
}
} else if (!strcasecmp(cmd, "VideoQMax")) {
+ get_arg(arg, sizeof(arg), &p);
if (stream) {
video_enc.qmax = atoi(arg);
if (video_enc.qmax < 1 || video_enc.qmax > 31) {
}
}
} else if (!strcasecmp(cmd, "VideoQMin")) {
+ get_arg(arg, sizeof(arg), &p);
if (stream) {
video_enc.qmin = atoi(arg);
if (video_enc.qmin < 1 || video_enc.qmin > 31) {
errors++;
}
}
+ } else if (!strcasecmp(cmd, "LumaElim")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.luma_elim_threshold = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "ChromaElim")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.chroma_elim_threshold = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "LumiMask")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.lumi_masking = atof(arg);
+ }
+ } else if (!strcasecmp(cmd, "DarkMask")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ video_enc.dark_masking = atof(arg);
+ }
} else if (!strcasecmp(cmd, "NoVideo")) {
video_id = CODEC_ID_NONE;
} else if (!strcasecmp(cmd, "NoAudio")) {
audio_id = CODEC_ID_NONE;
+ } else if (!strcasecmp(cmd, "ACL")) {
+ IPAddressACL acl;
+ struct hostent *he;
+
+ get_arg(arg, sizeof(arg), &p);
+ if (strcasecmp(arg, "allow") == 0) {
+ acl.action = IP_ALLOW;
+ } else if (strcasecmp(arg, "deny") == 0) {
+ acl.action = IP_DENY;
+ } else {
+ fprintf(stderr, "%s:%d: ACL action '%s' is not ALLOW or DENY\n",
+ filename, line_num, arg);
+ errors++;
+ }
+
+ get_arg(arg, sizeof(arg), &p);
+
+ he = gethostbyname(arg);
+ if (!he) {
+ fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
+ filename, line_num, arg);
+ errors++;
+ } else {
+ /* Only take the first */
+ acl.first.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
+ acl.last = acl.first;
+ }
+
+ get_arg(arg, sizeof(arg), &p);
+
+ if (arg[0]) {
+ he = gethostbyname(arg);
+ if (!he) {
+ fprintf(stderr, "%s:%d: ACL refers to invalid host or ip address '%s'\n",
+ filename, line_num, arg);
+ errors++;
+ } else {
+ /* Only take the first */
+ acl.last.s_addr = ntohl(((struct in_addr *) he->h_addr_list[0])->s_addr);
+ }
+ }
+
+ if (!errors) {
+ IPAddressACL *nacl = (IPAddressACL *) av_mallocz(sizeof(*nacl));
+ IPAddressACL **naclp = 0;
+
+ *nacl = acl;
+ nacl->next = 0;
+
+ if (stream) {
+ naclp = &stream->acl;
+ } else if (feed) {
+ naclp = &feed->acl;
+ } else {
+ fprintf(stderr, "%s:%d: ACL found not in <stream> or <feed>\n",
+ filename, line_num);
+ errors++;
+ }
+
+ if (naclp) {
+ while (*naclp)
+ naclp = &(*naclp)->next;
+
+ *naclp = nacl;
+ }
+ }
+ } else if (!strcasecmp(cmd, "RTSPOption")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ av_freep(&stream->rtsp_option);
+ /* XXX: av_strdup ? */
+ stream->rtsp_option = av_malloc(strlen(arg) + 1);
+ if (stream->rtsp_option) {
+ strcpy(stream->rtsp_option, arg);
+ }
+ }
+ } else if (!strcasecmp(cmd, "MulticastAddress")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ if (!inet_aton(arg, &stream->multicast_ip)) {
+ fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
+ filename, line_num, arg);
+ errors++;
+ }
+ stream->is_multicast = 1;
+ stream->loop = 1; /* default is looping */
+ }
+ } else if (!strcasecmp(cmd, "MulticastPort")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ stream->multicast_port = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "MulticastTTL")) {
+ get_arg(arg, sizeof(arg), &p);
+ if (stream) {
+ stream->multicast_ttl = atoi(arg);
+ }
+ } else if (!strcasecmp(cmd, "NoLoop")) {
+ if (stream) {
+ stream->loop = 0;
+ }
} else if (!strcasecmp(cmd, "</Stream>")) {
if (!stream) {
fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
}
}
stream = NULL;
+ } else if (!strcasecmp(cmd, "<Redirect")) {
+ /*********************************************/
+ char *q;
+ if (stream || feed || redirect) {
+ fprintf(stderr, "%s:%d: Already in a tag\n",
+ filename, line_num);
+ errors++;
+ } else {
+ redirect = av_mallocz(sizeof(FFStream));
+ *last_stream = redirect;
+ last_stream = &redirect->next;
+
+ get_arg(redirect->filename, sizeof(redirect->filename), &p);
+ q = strrchr(redirect->filename, '>');
+ if (*q)
+ *q = '\0';
+ redirect->stream_type = STREAM_TYPE_REDIRECT;
+ }
+ } else if (!strcasecmp(cmd, "URL")) {
+ if (redirect) {
+ get_arg(redirect->feed_filename, sizeof(redirect->feed_filename), &p);
+ }
+ } else if (!strcasecmp(cmd, "</Redirect>")) {
+ if (!redirect) {
+ fprintf(stderr, "%s:%d: No corresponding <Redirect> for </Redirect>\n",
+ filename, line_num);
+ errors++;
+ }
+ if (!redirect->feed_filename[0]) {
+ fprintf(stderr, "%s:%d: No URL found for <Redirect>\n",
+ filename, line_num);
+ errors++;
+ }
+ redirect = NULL;
+ } else if (!strcasecmp(cmd, "LoadModule")) {
+ get_arg(arg, sizeof(arg), &p);
+#ifdef CONFIG_HAVE_DLOPEN
+ load_module(arg);
+#else
+ fprintf(stderr, "%s:%d: Module support not compiled into this version: '%s'\n",
+ filename, line_num, arg);
+ errors++;
+#endif
} else {
fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
filename, line_num, cmd);
}
-void *http_server_thread(void *arg)
-{
- http_server(my_addr);
- return NULL;
-}
-
#if 0
static void write_packet(FFCodec *ffenc,
- UINT8 *buf, int size)
+ uint8_t *buf, int size)
{
PacketHeader hdr;
AVCodecContext *enc = &ffenc->enc;
- UINT8 *wptr;
+ uint8_t *wptr;
mk_header(&hdr, enc, size);
wptr = http_fifo.wptr;
- fifo_write(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &wptr);
+ fifo_write(&http_fifo, (uint8_t *)&hdr, sizeof(hdr), &wptr);
fifo_write(&http_fifo, buf, size, &wptr);
/* atomic modification of wptr */
http_fifo.wptr = wptr;
}
#endif
-void help(void)
+static void show_banner(void)
+{
+ printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
+}
+
+static void show_help(void)
{
- printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Gerard Lantau\n"
- "usage: ffserver [-L] [-h] [-f configfile]\n"
+ show_banner();
+ printf("usage: ffserver [-L] [-h] [-f configfile]\n"
"Hyper fast multi format Audio/Video streaming server\n"
"\n"
- "-L : print the LICENCE\n"
+ "-L : print the LICENSE\n"
"-h : this help\n"
"-f configfile : use configfile instead of /etc/ffserver.conf\n"
);
}
-void licence(void)
+static void show_license(void)
{
+ show_banner();
printf(
- "ffserver version " FFMPEG_VERSION "\n"
- "Copyright (c) 2000, 2001, 2002 Gerard Lantau\n"
- "This program is free software; you can redistribute it and/or modify\n"
- "it under the terms of the GNU General Public License as published by\n"
- "the Free Software Foundation; either version 2 of the License, or\n"
- "(at your option) any later version.\n"
+ "This library is free software; you can redistribute it and/or\n"
+ "modify it under the terms of the GNU Lesser General Public\n"
+ "License as published by the Free Software Foundation; either\n"
+ "version 2 of the License, or (at your option) any later version.\n"
"\n"
- "This program is distributed in the hope that it will be useful,\n"
+ "This library is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
- "GNU General Public License for more details.\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
+ "Lesser General Public License for more details.\n"
"\n"
- "You should have received a copy of the GNU General Public License\n"
- "along with this program; if not, write to the Free Software\n"
- "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
+ "You should have received a copy of the GNU Lesser General Public\n"
+ "License along with this library; if not, write to the Free Software\n"
+ "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
);
}
+static void handle_child_exit(int sig)
+{
+ pid_t pid;
+ int status;
+
+ while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
+ FFStream *feed;
+
+ for (feed = first_feed; feed; feed = feed->next) {
+ if (feed->pid == pid) {
+ int uptime = time(0) - feed->pid_start;
+
+ feed->pid = 0;
+ fprintf(stderr, "%s: Pid %d exited with status %d after %d seconds\n", feed->filename, pid, status, uptime);
+
+ if (uptime < 30) {
+ /* Turn off any more restarts */
+ feed->child_argv = 0;
+ }
+ }
+ }
+ }
+
+ need_to_start_children = 1;
+}
+
int main(int argc, char **argv)
{
const char *config_filename;
int c;
+ struct sigaction sigact;
- register_all();
+ av_register_all();
config_filename = "/etc/ffserver.conf";
+ my_program_name = argv[0];
+ my_program_dir = getcwd(0, 0);
+ ffserver_daemon = 1;
+
for(;;) {
- c = getopt_long_only(argc, argv, "Lh?f:", NULL, NULL);
+ c = getopt(argc, argv, "ndLh?f:");
if (c == -1)
break;
switch(c) {
case 'L':
- licence();
+ show_license();
exit(1);
case '?':
case 'h':
- help();
+ show_help();
exit(1);
+ case 'n':
+ no_launch = 1;
+ break;
+ case 'd':
+ ffserver_debug = 1;
+ ffserver_daemon = 0;
+ break;
case 'f':
config_filename = optarg;
break;
}
}
- /* address on which the server will handle connections */
- my_addr.sin_family = AF_INET;
- my_addr.sin_port = htons (8080);
- my_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+ putenv("http_proxy"); /* Kill the http_proxy */
+
+ srandom(gettime_ms() + (getpid() << 16));
+
+ /* address on which the server will handle HTTP connections */
+ my_http_addr.sin_family = AF_INET;
+ my_http_addr.sin_port = htons (8080);
+ my_http_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+
+ /* address on which the server will handle RTSP connections */
+ my_rtsp_addr.sin_family = AF_INET;
+ my_rtsp_addr.sin_port = htons (5454);
+ my_rtsp_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+
nb_max_connections = 5;
- nb_max_bandwidth = 1000;
+ max_bandwidth = 1000;
first_stream = NULL;
logfilename[0] = '\0';
+ memset(&sigact, 0, sizeof(sigact));
+ sigact.sa_handler = handle_child_exit;
+ sigact.sa_flags = SA_NOCLDSTOP | SA_RESTART;
+ sigaction(SIGCHLD, &sigact, 0);
+
if (parse_ffconfig(config_filename) < 0) {
fprintf(stderr, "Incorrect config file - exiting.\n");
exit(1);
}
+ build_file_streams();
+
build_feed_streams();
+ compute_bandwidth();
+
+ /* put the process in background and detach it from its TTY */
+ if (ffserver_daemon) {
+ int pid;
+
+ pid = fork();
+ if (pid < 0) {
+ perror("fork");
+ exit(1);
+ } else if (pid > 0) {
+ /* parent : exit */
+ exit(0);
+ } else {
+ /* child */
+ setsid();
+ chdir("/");
+ close(0);
+ open("/dev/null", O_RDWR);
+ if (strcmp(logfilename, "-") != 0) {
+ close(1);
+ dup(0);
+ }
+ close(2);
+ dup(0);
+ }
+ }
+
/* signal init */
signal(SIGPIPE, SIG_IGN);
logfile = fopen(logfilename, "w");
}
- if (http_server(my_addr) < 0) {
- fprintf(stderr, "Could start http server\n");
+ if (http_server() < 0) {
+ fprintf(stderr, "Could not start server\n");
exit(1);
}
projects / ffmpeg / blobdiff