mirror of https://git.ffmpeg.org/ffmpeg.git
2067 lines
66 KiB
C
2067 lines
66 KiB
C
/*
|
|
* Multiple format streaming server
|
|
* Copyright (c) 2000, 2001, 2002 Gerard Lantau.
|
|
*
|
|
* 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 program 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
#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>
|
|
#include <time.h>
|
|
#include <getopt.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <arpa/inet.h>
|
|
#include <netdb.h>
|
|
#include <ctype.h>
|
|
#include <signal.h>
|
|
#include <assert.h>
|
|
|
|
#include "bswap.h" // needed for the bitstream writer in common.h which is included in avformat.h
|
|
#include "avformat.h"
|
|
|
|
/* maximum number of simultaneous HTTP connections */
|
|
#define HTTP_MAX_CONNECTIONS 2000
|
|
|
|
enum HTTPState {
|
|
HTTPSTATE_WAIT_REQUEST,
|
|
HTTPSTATE_SEND_HEADER,
|
|
HTTPSTATE_SEND_DATA_HEADER,
|
|
HTTPSTATE_SEND_DATA,
|
|
HTTPSTATE_SEND_DATA_TRAILER,
|
|
HTTPSTATE_RECEIVE_DATA,
|
|
HTTPSTATE_WAIT_FEED,
|
|
};
|
|
|
|
const char *http_state[] = {
|
|
"WAIT_REQUEST",
|
|
"SEND_HEADER",
|
|
"SEND_DATA_HEADER",
|
|
"SEND_DATA",
|
|
"SEND_DATA_TRAILER",
|
|
"RECEIVE_DATA",
|
|
"WAIT_FEED",
|
|
};
|
|
|
|
#define IOBUFFER_MAX_SIZE 32768
|
|
#define PACKET_MAX_SIZE 16384
|
|
|
|
/* coef for exponential mean for bitrate estimation in statistics */
|
|
#define AVG_COEF 0.9
|
|
|
|
/* timeouts are in ms */
|
|
#define REQUEST_TIMEOUT (15 * 1000)
|
|
#define SYNC_TIMEOUT (10 * 1000)
|
|
|
|
/* context associated with one connection */
|
|
typedef struct HTTPContext {
|
|
enum HTTPState state;
|
|
int fd; /* socket file descriptor */
|
|
struct sockaddr_in from_addr; /* origin */
|
|
struct pollfd *poll_entry; /* used when polling */
|
|
long timeout;
|
|
UINT8 *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;
|
|
/* feed input */
|
|
int feed_fd;
|
|
/* input format handling */
|
|
AVFormatContext *fmt_in;
|
|
/* output format handling */
|
|
struct FFStream *stream;
|
|
AVFormatContext fmt_ctx;
|
|
int last_packet_sent; /* true if last data packet was sent */
|
|
int suppress_log;
|
|
int bandwidth;
|
|
time_t start_time;
|
|
char protocol[16];
|
|
char method[16];
|
|
char url[128];
|
|
UINT8 buffer[IOBUFFER_MAX_SIZE];
|
|
UINT8 pbuffer[PACKET_MAX_SIZE];
|
|
} HTTPContext;
|
|
|
|
/* each generated stream is described here */
|
|
enum StreamType {
|
|
STREAM_TYPE_LIVE,
|
|
STREAM_TYPE_STATUS,
|
|
};
|
|
|
|
/* description of each stream of the ffserver.conf file */
|
|
typedef struct FFStream {
|
|
enum StreamType stream_type;
|
|
char filename[1024]; /* stream filename */
|
|
struct FFStream *feed;
|
|
AVOutputFormat *fmt;
|
|
int nb_streams;
|
|
int prebuffer; /* Number of millseconds early to start */
|
|
time_t max_time;
|
|
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 */
|
|
struct FFStream *next;
|
|
/* feed specific */
|
|
int feed_opened; /* true if someone if writing to feed */
|
|
int is_feed; /* true if it is a feed */
|
|
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 */
|
|
struct FFStream *next_feed;
|
|
} FFStream;
|
|
|
|
typedef struct FeedData {
|
|
long long data_count;
|
|
float avg_frame_size; /* frame size averraged over last frames with exponential mean */
|
|
} FeedData;
|
|
|
|
struct sockaddr_in my_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 int http_parse_request(HTTPContext *c);
|
|
static int http_send_data(HTTPContext *c);
|
|
static void compute_stats(HTTPContext *c);
|
|
static int open_input_stream(HTTPContext *c, const char *info);
|
|
static int http_start_receive_data(HTTPContext *c);
|
|
static int http_receive_data(HTTPContext *c);
|
|
|
|
int nb_max_connections;
|
|
int nb_connections;
|
|
|
|
int nb_max_bandwidth;
|
|
int nb_bandwidth;
|
|
|
|
static long gettime_ms(void)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv,NULL);
|
|
return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
|
|
}
|
|
|
|
static FILE *logfile = NULL;
|
|
|
|
static void http_log(char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
|
|
if (logfile) {
|
|
vfprintf(logfile, fmt, ap);
|
|
fflush(logfile);
|
|
}
|
|
va_end(ap);
|
|
}
|
|
|
|
static void log_connection(HTTPContext *c)
|
|
{
|
|
char buf1[32], buf2[32], *p;
|
|
time_t ti;
|
|
|
|
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';
|
|
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);
|
|
}
|
|
|
|
/* main loop of the http server */
|
|
static int http_server(struct sockaddr_in my_addr)
|
|
{
|
|
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;
|
|
|
|
server_fd = socket(AF_INET,SOCK_STREAM,0);
|
|
if (server_fd < 0) {
|
|
perror ("socket");
|
|
return -1;
|
|
}
|
|
|
|
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");
|
|
close(server_fd);
|
|
return -1;
|
|
}
|
|
|
|
if (listen (server_fd, 5) < 0) {
|
|
perror ("listen");
|
|
close(server_fd);
|
|
return -1;
|
|
}
|
|
|
|
http_log("ffserver started.\n");
|
|
|
|
fcntl(server_fd, F_SETFL, O_NONBLOCK);
|
|
first_http_ctx = NULL;
|
|
nb_connections = 0;
|
|
first_http_ctx = NULL;
|
|
for(;;) {
|
|
poll_entry = poll_table;
|
|
poll_entry->fd = server_fd;
|
|
poll_entry->events = POLLIN;
|
|
poll_entry++;
|
|
|
|
/* wait for events on each HTTP handle */
|
|
c = first_http_ctx;
|
|
while (c != NULL) {
|
|
int fd;
|
|
fd = c->fd;
|
|
switch(c->state) {
|
|
case HTTPSTATE_WAIT_REQUEST:
|
|
c->poll_entry = poll_entry;
|
|
poll_entry->fd = fd;
|
|
poll_entry->events = POLLIN;
|
|
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++;
|
|
break;
|
|
case HTTPSTATE_RECEIVE_DATA:
|
|
c->poll_entry = poll_entry;
|
|
poll_entry->fd = fd;
|
|
poll_entry->events = POLLIN;
|
|
poll_entry++;
|
|
break;
|
|
case HTTPSTATE_WAIT_FEED:
|
|
/* need to catch errors */
|
|
c->poll_entry = poll_entry;
|
|
poll_entry->fd = fd;
|
|
poll_entry->events = POLLIN;/* Maybe this will work */
|
|
poll_entry++;
|
|
break;
|
|
default:
|
|
c->poll_entry = NULL;
|
|
break;
|
|
}
|
|
c = c->next;
|
|
}
|
|
|
|
/* 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);
|
|
|
|
cur_time = gettime_ms();
|
|
|
|
/* now handle the events */
|
|
|
|
cp = &first_http_ctx;
|
|
while ((*cp) != NULL) {
|
|
c = *cp;
|
|
if (handle_http (c, cur_time) < 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;
|
|
}
|
|
}
|
|
|
|
/* new connection request ? */
|
|
poll_entry = poll_table;
|
|
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++;
|
|
}
|
|
}
|
|
}
|
|
poll_entry++;
|
|
}
|
|
}
|
|
|
|
static int handle_http(HTTPContext *c, long cur_time)
|
|
{
|
|
int len;
|
|
|
|
switch(c->state) {
|
|
case HTTPSTATE_WAIT_REQUEST:
|
|
/* timeout ? */
|
|
if ((c->timeout - cur_time) < 0)
|
|
return -1;
|
|
if (c->poll_entry->revents & (POLLERR | POLLHUP))
|
|
return -1;
|
|
|
|
/* no need to read if no events */
|
|
if (!(c->poll_entry->revents & POLLIN))
|
|
return 0;
|
|
/* read the data */
|
|
len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
|
|
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;
|
|
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)
|
|
return -1;
|
|
} else if (ptr >= c->buffer_end) {
|
|
/* request too long: cannot do anything */
|
|
return -1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case HTTPSTATE_SEND_HEADER:
|
|
if (c->poll_entry->revents & (POLLERR | POLLHUP))
|
|
return -1;
|
|
|
|
/* no need to read 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 */
|
|
return -1;
|
|
}
|
|
} else {
|
|
c->buffer_ptr += len;
|
|
if (c->stream)
|
|
c->stream->bytes_served += len;
|
|
c->data_count += len;
|
|
if (c->buffer_ptr >= c->buffer_end) {
|
|
/* if error, exit */
|
|
if (c->http_error)
|
|
return -1;
|
|
/* all the buffer was send : synchronize to the incoming stream */
|
|
c->state = HTTPSTATE_SEND_DATA_HEADER;
|
|
c->buffer_ptr = c->buffer_end = c->buffer;
|
|
}
|
|
}
|
|
break;
|
|
|
|
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;
|
|
if (http_send_data(c) < 0)
|
|
return -1;
|
|
break;
|
|
case HTTPSTATE_RECEIVE_DATA:
|
|
/* no need to read if no events */
|
|
if (c->poll_entry->revents & (POLLERR | POLLHUP))
|
|
return -1;
|
|
if (!(c->poll_entry->revents & POLLIN))
|
|
return 0;
|
|
if (http_receive_data(c) < 0)
|
|
return -1;
|
|
break;
|
|
case HTTPSTATE_WAIT_FEED:
|
|
/* no need to read if no events */
|
|
if (c->poll_entry->revents & (POLLIN | POLLERR | POLLHUP))
|
|
return -1;
|
|
|
|
/* nothing to do, we'll be waken up by incoming feed packets */
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* parse http request and prepare header */
|
|
static int http_parse_request(HTTPContext *c)
|
|
{
|
|
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;
|
|
|
|
p = c->buffer;
|
|
q = cmd;
|
|
while (!isspace(*p) && *p != '\0') {
|
|
if ((q - cmd) < sizeof(cmd) - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
|
|
pstrcpy(c->method, sizeof(c->method), cmd);
|
|
|
|
if (!strcmp(cmd, "GET"))
|
|
post = 0;
|
|
else if (!strcmp(cmd, "POST"))
|
|
post = 1;
|
|
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';
|
|
|
|
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';
|
|
if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
|
|
return -1;
|
|
|
|
pstrcpy(c->protocol, sizeof(c->protocol), protocol);
|
|
|
|
/* find the filename and the optional info string in the request */
|
|
p = url;
|
|
if (*p == '/')
|
|
p++;
|
|
filename = p;
|
|
p = strchr(p, '?');
|
|
if (p) {
|
|
pstrcpy(info, sizeof(info), p);
|
|
*p = '\0';
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
if (strlen(filename) > 4 &&
|
|
(strcmp(".rpm", filename + strlen(filename) - 4) == 0 ||
|
|
strcmp(".ram", filename + strlen(filename) - 4) == 0)) {
|
|
doing_ram = 1;
|
|
strcpy(filename + strlen(filename)-2, "m");
|
|
} else {
|
|
doing_ram = 0;
|
|
}
|
|
|
|
stream = first_stream;
|
|
while (stream != NULL) {
|
|
if (!strcmp(stream->filename, filename))
|
|
break;
|
|
stream = stream->next;
|
|
}
|
|
if (stream == NULL) {
|
|
sprintf(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->bandwidth /= 1000;
|
|
nb_bandwidth += c->bandwidth;
|
|
|
|
if (post == 0 && nb_max_bandwidth < nb_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 += sprintf(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");
|
|
|
|
/* prepare output buffer */
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = q;
|
|
c->state = HTTPSTATE_SEND_HEADER;
|
|
return 0;
|
|
}
|
|
|
|
if (doing_asx || doing_ram) {
|
|
char *hostinfo = 0;
|
|
|
|
for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
|
|
if (strncasecmp(p, "Host:", 5) == 0) {
|
|
hostinfo = p + 5;
|
|
break;
|
|
}
|
|
p = strchr(p, '\n');
|
|
if (!p)
|
|
break;
|
|
|
|
p++;
|
|
}
|
|
|
|
if (hostinfo) {
|
|
char *eoh;
|
|
char hostbuf[260];
|
|
|
|
while (isspace(*hostinfo))
|
|
hostinfo++;
|
|
|
|
eoh = strchr(hostinfo, '\n');
|
|
if (eoh) {
|
|
if (eoh[-1] == '\r')
|
|
eoh--;
|
|
|
|
if (eoh - hostinfo < sizeof(hostbuf) - 1) {
|
|
memcpy(hostbuf, hostinfo, eoh - hostinfo);
|
|
hostbuf[eoh - hostinfo] = 0;
|
|
|
|
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",
|
|
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",
|
|
hostbuf, filename, info);
|
|
} else
|
|
av_abort();
|
|
|
|
/* prepare output buffer */
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = q;
|
|
c->state = HTTPSTATE_SEND_HEADER;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
sprintf(msg, "ASX/RAM file not handled");
|
|
goto send_error;
|
|
}
|
|
|
|
c->stream = stream;
|
|
stream->conns_served++;
|
|
|
|
/* XXX: add there authenticate and IP match */
|
|
|
|
if (post) {
|
|
/* if post, it means a feed is being sent */
|
|
if (!stream->is_feed) {
|
|
/* However it might be a status report from WMP! Lets log the data
|
|
* as it might come in handy one day
|
|
*/
|
|
char *logline = 0;
|
|
|
|
for (p = c->buffer; *p && *p != '\r' && *p != '\n'; ) {
|
|
if (strncasecmp(p, "Pragma: log-line=", 17) == 0) {
|
|
logline = p;
|
|
break;
|
|
}
|
|
p = strchr(p, '\n');
|
|
if (!p)
|
|
break;
|
|
|
|
p++;
|
|
}
|
|
|
|
if (logline) {
|
|
char *eol = strchr(logline, '\n');
|
|
|
|
logline += 17;
|
|
|
|
if (eol) {
|
|
if (eol[-1] == '\r')
|
|
eol--;
|
|
http_log("%.*s\n", eol - logline, logline);
|
|
c->suppress_log = 1;
|
|
}
|
|
}
|
|
|
|
sprintf(msg, "POST command not handled");
|
|
goto send_error;
|
|
}
|
|
if (http_start_receive_data(c) < 0) {
|
|
sprintf(msg, "could not open feed");
|
|
goto send_error;
|
|
}
|
|
c->http_error = 0;
|
|
c->state = HTTPSTATE_RECEIVE_DATA;
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
goto send_error;
|
|
}
|
|
|
|
/* prepare http header */
|
|
q = c->buffer;
|
|
q += sprintf(q, "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");
|
|
|
|
/* 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");
|
|
|
|
/* prepare output buffer */
|
|
c->http_error = 0;
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = q;
|
|
c->state = HTTPSTATE_SEND_HEADER;
|
|
return 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");
|
|
|
|
/* prepare output buffer */
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = q;
|
|
c->state = HTTPSTATE_SEND_HEADER;
|
|
return 0;
|
|
send_stats:
|
|
compute_stats(c);
|
|
c->http_error = 200; /* horrible : we use this value to avoid
|
|
going to the send data state */
|
|
c->state = HTTPSTATE_SEND_HEADER;
|
|
return 0;
|
|
}
|
|
|
|
static void compute_stats(HTTPContext *c)
|
|
{
|
|
HTTPContext *c1;
|
|
FFStream *stream;
|
|
char *q, *p;
|
|
time_t ti;
|
|
int i;
|
|
|
|
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");
|
|
|
|
q += sprintf(q, "<HEAD><TITLE>FFServer Status</TITLE></HEAD>\n<BODY>");
|
|
q += sprintf(q, "<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");
|
|
stream = first_stream;
|
|
while (stream != NULL) {
|
|
char sfilename[1024];
|
|
char *eosf;
|
|
|
|
if (stream->feed != stream) {
|
|
pstrcpy(sfilename, sizeof(sfilename) - 1, 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");
|
|
}
|
|
}
|
|
|
|
q += sprintf(q, "<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);
|
|
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 = "";
|
|
|
|
for(i=0;i<stream->nb_streams;i++) {
|
|
AVStream *st = stream->streams[i];
|
|
AVCodec *codec = avcodec_find_encoder(st->codec.codec_id);
|
|
switch(st->codec.codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
audio_bit_rate += st->codec.bit_rate;
|
|
if (codec) {
|
|
if (*audio_codec_name)
|
|
audio_codec_name_extra = "...";
|
|
audio_codec_name = codec->name;
|
|
}
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
video_bit_rate += st->codec.bit_rate;
|
|
if (codec) {
|
|
if (*video_codec_name)
|
|
video_codec_name_extra = "...";
|
|
video_codec_name = codec->name;
|
|
}
|
|
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",
|
|
stream->fmt->name,
|
|
(audio_bit_rate + video_bit_rate) / 1000,
|
|
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);
|
|
} else {
|
|
q += sprintf(q, "<TD>%s", stream->feed_filename);
|
|
}
|
|
q += sprintf(q, "\n");
|
|
}
|
|
break;
|
|
default:
|
|
q += sprintf(q, "<TD align=center> - <TD align=right> - <TD align=right> - <td><td align=right> - <TD>\n");
|
|
break;
|
|
}
|
|
}
|
|
stream = stream->next;
|
|
}
|
|
q += sprintf(q, "</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<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";
|
|
char parameters[64];
|
|
|
|
parameters[0] = 0;
|
|
|
|
switch(st->codec.codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
type = "audio";
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
type = "video";
|
|
sprintf(parameters, "%dx%d, q=%d-%d", st->codec.width, st->codec.height,
|
|
st->codec.qmin, st->codec.qmax);
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
q += sprintf(q, "<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");
|
|
|
|
}
|
|
stream = stream->next;
|
|
}
|
|
|
|
#if 0
|
|
{
|
|
float avg;
|
|
AVCodecContext *enc;
|
|
char buf[1024];
|
|
|
|
/* 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");
|
|
for(i=0;i<stream->nb_streams;i++) {
|
|
AVStream *st = stream->streams[i];
|
|
FeedData *fdata = st->priv_data;
|
|
enc = &st->codec;
|
|
|
|
avcodec_string(buf, sizeof(buf), enc);
|
|
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",
|
|
buf, enc->frame_number, fdata->data_count, avg / 1000.0);
|
|
}
|
|
q += sprintf(q, "</TABLE>\n");
|
|
stream = stream->next_feed;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* connection status */
|
|
q += sprintf(q, "<H2>Connection Status</H2>\n");
|
|
|
|
q += sprintf(q, "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);
|
|
|
|
q += sprintf(q, "<TABLE>\n");
|
|
q += sprintf(q, "<TR><TD>#<TD>File<TD>IP<TD>State<TD>Size\n");
|
|
c1 = first_http_ctx;
|
|
i = 0;
|
|
while (c1 != NULL && q < (char *) c->buffer + sizeof(c->buffer) - 2048) {
|
|
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);
|
|
c1 = c1->next;
|
|
}
|
|
q += sprintf(q, "</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");
|
|
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = q;
|
|
}
|
|
|
|
|
|
static void http_write_packet(void *opaque,
|
|
unsigned char *buf, int size)
|
|
{
|
|
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;
|
|
}
|
|
|
|
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;
|
|
|
|
/* find file name */
|
|
if (c->stream->feed) {
|
|
strcpy(input_filename, c->stream->feed->feed_filename);
|
|
buf_size = FFM_PACKET_SIZE;
|
|
/* compute position (absolute time) */
|
|
if (find_info_tag(buf, sizeof(buf), "date", info)) {
|
|
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;
|
|
} else {
|
|
stream_pos = gettime() - c->stream->prebuffer * 1000;
|
|
}
|
|
} else {
|
|
strcpy(input_filename, c->stream->feed_filename);
|
|
buf_size = 0;
|
|
/* compute position (relative time) */
|
|
if (find_info_tag(buf, sizeof(buf), "date", info)) {
|
|
stream_pos = parse_date(buf, 1);
|
|
} else {
|
|
stream_pos = 0;
|
|
}
|
|
}
|
|
if (input_filename[0] == '\0')
|
|
return -1;
|
|
|
|
/* open stream */
|
|
if (av_open_input_file(&s, input_filename, NULL, buf_size, NULL) < 0)
|
|
return -1;
|
|
c->fmt_in = s;
|
|
|
|
if (c->fmt_in->iformat->read_seek) {
|
|
c->fmt_in->iformat->read_seek(c->fmt_in, stream_pos);
|
|
}
|
|
|
|
// printf("stream %s opened pos=%0.6f\n", input_filename, stream_pos / 1000000.0);
|
|
return 0;
|
|
}
|
|
|
|
static int http_prepare_data(HTTPContext *c)
|
|
{
|
|
int i;
|
|
|
|
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));
|
|
|
|
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;
|
|
}
|
|
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_write_header(&c->fmt_ctx);
|
|
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,
|
|
c->stream->feed->feed_write_index,
|
|
c->stream->feed->feed_size);
|
|
}
|
|
|
|
if (c->stream->max_time &&
|
|
c->stream->max_time + c->start_time > 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;
|
|
}
|
|
}
|
|
}
|
|
} 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); */
|
|
}
|
|
#endif
|
|
|
|
if (av_write_packet(&c->fmt_ctx, &pkt, 0))
|
|
c->state = HTTPSTATE_SEND_DATA_TRAILER;
|
|
|
|
codec->frame_number++;
|
|
}
|
|
|
|
av_free_packet(&pkt);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
case HTTPSTATE_SEND_DATA_TRAILER:
|
|
/* last packet test ? */
|
|
if (c->last_packet_sent)
|
|
return -1;
|
|
/* prepare header */
|
|
av_write_trailer(&c->fmt_ctx);
|
|
c->last_packet_sent = 1;
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* should convert the format at the same time */
|
|
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 */
|
|
return -1;
|
|
}
|
|
} else {
|
|
c->buffer_ptr += len;
|
|
c->data_count += len;
|
|
if (c->stream)
|
|
c->stream->bytes_served += len;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int http_start_receive_data(HTTPContext *c)
|
|
{
|
|
int fd;
|
|
|
|
if (c->stream->feed_opened)
|
|
return -1;
|
|
|
|
/* open feed */
|
|
fd = open(c->stream->feed_filename, O_RDWR);
|
|
if (fd < 0)
|
|
return -1;
|
|
c->feed_fd = fd;
|
|
|
|
c->stream->feed_write_index = ffm_read_write_index(fd);
|
|
c->stream->feed_size = lseek(fd, 0, SEEK_END);
|
|
lseek(fd, 0, SEEK_SET);
|
|
|
|
/* init buffer input */
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = c->buffer + FFM_PACKET_SIZE;
|
|
c->stream->feed_opened = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int http_receive_data(HTTPContext *c)
|
|
{
|
|
HTTPContext *c1;
|
|
|
|
if (c->buffer_end > c->buffer_ptr) {
|
|
int len;
|
|
|
|
len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr);
|
|
if (len < 0) {
|
|
if (errno != EAGAIN && errno != EINTR) {
|
|
/* error : close connection */
|
|
goto fail;
|
|
}
|
|
} else if (len == 0) {
|
|
/* end of connection : close it */
|
|
goto fail;
|
|
} else {
|
|
c->buffer_ptr += len;
|
|
c->data_count += len;
|
|
}
|
|
}
|
|
|
|
if (c->buffer_ptr >= c->buffer_end) {
|
|
FFStream *feed = c->stream;
|
|
/* a packet has been received : write it in the store, except
|
|
if header */
|
|
if (c->data_count > FFM_PACKET_SIZE) {
|
|
|
|
// printf("writing pos=0x%Lx size=0x%Lx\n", feed->feed_write_index, feed->feed_size);
|
|
/* XXX: use llseek or url_seek */
|
|
lseek(c->feed_fd, feed->feed_write_index, SEEK_SET);
|
|
write(c->feed_fd, c->buffer, FFM_PACKET_SIZE);
|
|
|
|
feed->feed_write_index += FFM_PACKET_SIZE;
|
|
/* update file size */
|
|
if (feed->feed_write_index > c->stream->feed_size)
|
|
feed->feed_size = feed->feed_write_index;
|
|
|
|
/* handle wrap around if max file size reached */
|
|
if (feed->feed_write_index >= c->stream->feed_max_size)
|
|
feed->feed_write_index = FFM_PACKET_SIZE;
|
|
|
|
/* write index */
|
|
ffm_write_write_index(c->feed_fd, feed->feed_write_index);
|
|
|
|
/* wake up any waiting connections */
|
|
for(c1 = first_http_ctx; c1 != NULL; c1 = c1->next) {
|
|
if (c1->state == HTTPSTATE_WAIT_FEED &&
|
|
c1->stream->feed == c->stream->feed) {
|
|
c1->state = HTTPSTATE_SEND_DATA;
|
|
}
|
|
}
|
|
} else {
|
|
/* We have a header in our hands that contains useful data */
|
|
AVFormatContext s;
|
|
AVInputFormat *fmt_in;
|
|
ByteIOContext *pb = &s.pb;
|
|
int i;
|
|
|
|
memset(&s, 0, sizeof(s));
|
|
|
|
url_open_buf(pb, c->buffer, c->buffer_end - c->buffer, URL_RDONLY);
|
|
pb->buf_end = c->buffer_end; /* ?? */
|
|
pb->is_streamed = 1;
|
|
|
|
/* use feed output format name to find corresponding input format */
|
|
fmt_in = av_find_input_format(feed->fmt->name);
|
|
if (!fmt_in)
|
|
goto fail;
|
|
|
|
s.priv_data = av_mallocz(fmt_in->priv_data_size);
|
|
if (!s.priv_data)
|
|
goto fail;
|
|
|
|
if (fmt_in->read_header(&s, 0) < 0) {
|
|
av_freep(&s.priv_data);
|
|
goto fail;
|
|
}
|
|
|
|
/* Now we have the actual streams */
|
|
if (s.nb_streams != feed->nb_streams) {
|
|
av_freep(&s.priv_data);
|
|
goto fail;
|
|
}
|
|
for (i = 0; i < s.nb_streams; i++) {
|
|
memcpy(&feed->streams[i]->codec,
|
|
&s.streams[i]->codec, sizeof(AVCodecContext));
|
|
}
|
|
av_freep(&s.priv_data);
|
|
}
|
|
c->buffer_ptr = c->buffer;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
c->stream->feed_opened = 0;
|
|
close(c->feed_fd);
|
|
return -1;
|
|
}
|
|
|
|
/* return the stream number in the feed */
|
|
int add_av_stream(FFStream *feed,
|
|
AVStream *st)
|
|
{
|
|
AVStream *fst;
|
|
AVCodecContext *av, *av1;
|
|
int i;
|
|
|
|
av = &st->codec;
|
|
for(i=0;i<feed->nb_streams;i++) {
|
|
st = feed->streams[i];
|
|
av1 = &st->codec;
|
|
if (av1->codec_id == av->codec_id &&
|
|
av1->codec_type == av->codec_type &&
|
|
av1->bit_rate == av->bit_rate) {
|
|
|
|
switch(av->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
if (av1->channels == av->channels &&
|
|
av1->sample_rate == av->sample_rate)
|
|
goto found;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
if (av1->width == av->width &&
|
|
av1->height == av->height &&
|
|
av1->frame_rate == av->frame_rate &&
|
|
av1->gop_size == av->gop_size)
|
|
goto found;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/* compute the needed AVStream for each feed */
|
|
void build_feed_streams(void)
|
|
{
|
|
FFStream *stream, *feed;
|
|
int i;
|
|
|
|
/* 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] = add_av_stream(feed, stream->streams[i]);
|
|
}
|
|
} else {
|
|
for(i=0;i<stream->nb_streams;i++) {
|
|
stream->feed_streams[i] = i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create feed files if needed */
|
|
for(feed = first_feed; feed != NULL; feed = feed->next_feed) {
|
|
int fd;
|
|
|
|
if (!url_exist(feed->feed_filename)) {
|
|
AVFormatContext s1, *s = &s1;
|
|
|
|
/* 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",
|
|
feed->feed_filename);
|
|
exit(1);
|
|
}
|
|
s->oformat = feed->fmt;
|
|
s->nb_streams = feed->nb_streams;
|
|
for(i=0;i<s->nb_streams;i++) {
|
|
AVStream *st;
|
|
st = feed->streams[i];
|
|
s->streams[i] = st;
|
|
}
|
|
av_write_header(s);
|
|
/* XXX: need better api */
|
|
av_freep(&s->priv_data);
|
|
url_fclose(&s->pb);
|
|
}
|
|
/* get feed size and write index */
|
|
fd = open(feed->feed_filename, O_RDONLY);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "Could not open output feed file '%s'\n",
|
|
feed->feed_filename);
|
|
exit(1);
|
|
}
|
|
|
|
feed->feed_write_index = ffm_read_write_index(fd);
|
|
feed->feed_size = lseek(fd, 0, SEEK_END);
|
|
/* ensure that we do not wrap before the end of file */
|
|
if (feed->feed_max_size < feed->feed_size)
|
|
feed->feed_max_size = feed->feed_size;
|
|
|
|
close(fd);
|
|
}
|
|
}
|
|
|
|
static void get_arg(char *buf, int buf_size, const char **pp)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
int quote;
|
|
|
|
p = *pp;
|
|
while (isspace(*p)) p++;
|
|
q = buf;
|
|
quote = 0;
|
|
if (*p == '\"' || *p == '\'')
|
|
quote = *p++;
|
|
for(;;) {
|
|
if (quote) {
|
|
if (*p == quote)
|
|
break;
|
|
} else {
|
|
if (isspace(*p))
|
|
break;
|
|
}
|
|
if (*p == '\0')
|
|
break;
|
|
if ((q - buf) < buf_size - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
if (quote && *p == quote)
|
|
p++;
|
|
*pp = p;
|
|
}
|
|
|
|
/* add a codec and set the default parameters */
|
|
void add_codec(FFStream *stream, AVCodecContext *av)
|
|
{
|
|
AVStream *st;
|
|
|
|
/* compute default parameters */
|
|
switch(av->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
if (av->bit_rate == 0)
|
|
av->bit_rate = 64000;
|
|
if (av->sample_rate == 0)
|
|
av->sample_rate = 22050;
|
|
if (av->channels == 0)
|
|
av->channels = 1;
|
|
break;
|
|
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->width == 0 || av->height == 0) {
|
|
av->width = 160;
|
|
av->height = 128;
|
|
}
|
|
/* Bitrate tolerance is less for streaming */
|
|
if (av->bit_rate_tolerance == 0)
|
|
av->bit_rate_tolerance = av->bit_rate / 4;
|
|
if (av->qmin == 0)
|
|
av->qmin = 3;
|
|
if (av->qmax == 0)
|
|
av->qmax = 31;
|
|
if (av->max_qdiff == 0)
|
|
av->max_qdiff = 3;
|
|
av->qcompress = 0.5;
|
|
av->qblur = 0.5;
|
|
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
|
|
st = av_mallocz(sizeof(AVStream));
|
|
if (!st)
|
|
return;
|
|
stream->streams[stream->nb_streams++] = st;
|
|
memcpy(&st->codec, av, sizeof(AVCodecContext));
|
|
}
|
|
|
|
int opt_audio_codec(const char *arg)
|
|
{
|
|
AVCodec *p;
|
|
|
|
p = first_avcodec;
|
|
while (p) {
|
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
|
|
break;
|
|
p = p->next;
|
|
}
|
|
if (p == NULL) {
|
|
return CODEC_ID_NONE;
|
|
}
|
|
|
|
return p->id;
|
|
}
|
|
|
|
int opt_video_codec(const char *arg)
|
|
{
|
|
AVCodec *p;
|
|
|
|
p = first_avcodec;
|
|
while (p) {
|
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
|
|
break;
|
|
p = p->next;
|
|
}
|
|
if (p == NULL) {
|
|
return CODEC_ID_NONE;
|
|
}
|
|
|
|
return p->id;
|
|
}
|
|
|
|
int parse_ffconfig(const char *filename)
|
|
{
|
|
FILE *f;
|
|
char line[1024];
|
|
char cmd[64];
|
|
char arg[1024];
|
|
const char *p;
|
|
int val, errors, line_num;
|
|
FFStream **last_stream, *stream;
|
|
FFStream **last_feed, *feed;
|
|
AVCodecContext audio_enc, video_enc;
|
|
int audio_id, video_id;
|
|
|
|
f = fopen(filename, "r");
|
|
if (!f) {
|
|
perror(filename);
|
|
return -1;
|
|
}
|
|
|
|
errors = 0;
|
|
line_num = 0;
|
|
first_stream = NULL;
|
|
last_stream = &first_stream;
|
|
first_feed = NULL;
|
|
last_feed = &first_feed;
|
|
stream = NULL;
|
|
feed = NULL;
|
|
audio_id = CODEC_ID_NONE;
|
|
video_id = CODEC_ID_NONE;
|
|
for(;;) {
|
|
if (fgets(line, sizeof(line), f) == NULL)
|
|
break;
|
|
line_num++;
|
|
p = line;
|
|
while (isspace(*p))
|
|
p++;
|
|
if (*p == '\0' || *p == '#')
|
|
continue;
|
|
|
|
get_arg(cmd, sizeof(cmd), &p);
|
|
|
|
if (!strcasecmp(cmd, "Port")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
my_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)) {
|
|
fprintf(stderr, "%s:%d: Invalid IP address: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
}
|
|
} else if (!strcasecmp(cmd, "MaxClients")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
val = atoi(arg);
|
|
if (val < 1 || val > HTTP_MAX_CONNECTIONS) {
|
|
fprintf(stderr, "%s:%d: Invalid MaxClients: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
} else {
|
|
nb_max_connections = val;
|
|
}
|
|
} else if (!strcasecmp(cmd, "MaxBandwidth")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
val = atoi(arg);
|
|
if (val < 10 || val > 100000) {
|
|
fprintf(stderr, "%s:%d: Invalid MaxBandwidth: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
} else {
|
|
nb_max_bandwidth = val;
|
|
}
|
|
} else if (!strcasecmp(cmd, "CustomLog")) {
|
|
get_arg(logfilename, sizeof(logfilename), &p);
|
|
} else if (!strcasecmp(cmd, "<Feed")) {
|
|
/*********************************************/
|
|
/* Feed related options */
|
|
char *q;
|
|
if (stream || feed) {
|
|
fprintf(stderr, "%s:%d: Already in a tag\n",
|
|
filename, line_num);
|
|
} else {
|
|
feed = av_mallocz(sizeof(FFStream));
|
|
/* add in stream list */
|
|
*last_stream = feed;
|
|
last_stream = &feed->next;
|
|
/* add in feed list */
|
|
*last_feed = feed;
|
|
last_feed = &feed->next_feed;
|
|
|
|
get_arg(feed->filename, sizeof(feed->filename), &p);
|
|
q = strrchr(feed->filename, '>');
|
|
if (*q)
|
|
*q = '\0';
|
|
feed->fmt = guess_format("ffm", NULL, NULL);
|
|
/* defaut feed file */
|
|
snprintf(feed->feed_filename, sizeof(feed->feed_filename),
|
|
"/tmp/%s.ffm", feed->filename);
|
|
feed->feed_max_size = 5 * 1024 * 1024;
|
|
feed->is_feed = 1;
|
|
feed->feed = feed; /* self feeding :-) */
|
|
}
|
|
} else if (!strcasecmp(cmd, "File")) {
|
|
if (feed) {
|
|
get_arg(feed->feed_filename, sizeof(feed->feed_filename), &p);
|
|
} else if (stream) {
|
|
get_arg(stream->feed_filename, sizeof(stream->feed_filename), &p);
|
|
}
|
|
} else if (!strcasecmp(cmd, "FileMaxSize")) {
|
|
if (feed) {
|
|
const char *p1;
|
|
double fsize;
|
|
|
|
get_arg(arg, sizeof(arg), &p);
|
|
p1 = arg;
|
|
fsize = strtod(p1, (char **)&p1);
|
|
switch(toupper(*p1)) {
|
|
case 'K':
|
|
fsize *= 1024;
|
|
break;
|
|
case 'M':
|
|
fsize *= 1024 * 1024;
|
|
break;
|
|
case 'G':
|
|
fsize *= 1024 * 1024 * 1024;
|
|
break;
|
|
}
|
|
feed->feed_max_size = (INT64)fsize;
|
|
}
|
|
} else if (!strcasecmp(cmd, "</Feed>")) {
|
|
if (!feed) {
|
|
fprintf(stderr, "%s:%d: No corresponding <Feed> for </Feed>\n",
|
|
filename, line_num);
|
|
errors++;
|
|
} else {
|
|
/* Make sure that we start out clean */
|
|
if (unlink(feed->feed_filename) < 0
|
|
&& errno != ENOENT) {
|
|
fprintf(stderr, "%s:%d: Unable to clean old feed file '%s': %s\n",
|
|
filename, line_num, feed->feed_filename, strerror(errno));
|
|
errors++;
|
|
}
|
|
}
|
|
feed = NULL;
|
|
} else if (!strcasecmp(cmd, "<Stream")) {
|
|
/*********************************************/
|
|
/* Stream related options */
|
|
char *q;
|
|
if (stream || feed) {
|
|
fprintf(stderr, "%s:%d: Already in a tag\n",
|
|
filename, line_num);
|
|
} else {
|
|
stream = av_mallocz(sizeof(FFStream));
|
|
*last_stream = stream;
|
|
last_stream = &stream->next;
|
|
|
|
get_arg(stream->filename, sizeof(stream->filename), &p);
|
|
q = strrchr(stream->filename, '>');
|
|
if (*q)
|
|
*q = '\0';
|
|
stream->fmt = guess_format(NULL, stream->filename, NULL);
|
|
memset(&audio_enc, 0, sizeof(AVCodecContext));
|
|
memset(&video_enc, 0, sizeof(AVCodecContext));
|
|
audio_id = CODEC_ID_NONE;
|
|
video_id = CODEC_ID_NONE;
|
|
if (stream->fmt) {
|
|
audio_id = stream->fmt->audio_codec;
|
|
video_id = stream->fmt->video_codec;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "Feed")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
FFStream *sfeed;
|
|
|
|
sfeed = first_feed;
|
|
while (sfeed != NULL) {
|
|
if (!strcmp(sfeed->filename, arg))
|
|
break;
|
|
sfeed = sfeed->next_feed;
|
|
}
|
|
if (!sfeed) {
|
|
fprintf(stderr, "%s:%d: feed '%s' not defined\n",
|
|
filename, line_num, arg);
|
|
} else {
|
|
stream->feed = sfeed;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "Format")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (!strcmp(arg, "status")) {
|
|
stream->stream_type = STREAM_TYPE_STATUS;
|
|
stream->fmt = NULL;
|
|
} else {
|
|
stream->stream_type = STREAM_TYPE_LIVE;
|
|
/* jpeg cannot be used here, so use single frame jpeg */
|
|
if (!strcmp(arg, "jpeg"))
|
|
strcpy(arg, "singlejpeg");
|
|
stream->fmt = guess_format(arg, NULL, NULL);
|
|
if (!stream->fmt) {
|
|
fprintf(stderr, "%s:%d: Unknown Format: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
}
|
|
}
|
|
if (stream->fmt) {
|
|
audio_id = stream->fmt->audio_codec;
|
|
video_id = stream->fmt->video_codec;
|
|
}
|
|
} else if (!strcasecmp(cmd, "Preroll")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
stream->prebuffer = atoi(arg) * 1000;
|
|
}
|
|
} else if (!strcasecmp(cmd, "StartSendOnKey")) {
|
|
if (stream) {
|
|
stream->send_on_key = 1;
|
|
}
|
|
} else if (!strcasecmp(cmd, "AudioCodec")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
audio_id = opt_audio_codec(arg);
|
|
if (audio_id == CODEC_ID_NONE) {
|
|
fprintf(stderr, "%s:%d: Unknown AudioCodec: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoCodec")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
video_id = opt_video_codec(arg);
|
|
if (video_id == CODEC_ID_NONE) {
|
|
fprintf(stderr, "%s:%d: Unknown VideoCodec: %s\n",
|
|
filename, line_num, arg);
|
|
errors++;
|
|
}
|
|
} else if (!strcasecmp(cmd, "MaxTime")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
stream->max_time = atoi(arg);
|
|
}
|
|
} else if (!strcasecmp(cmd, "AudioBitRate")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
audio_enc.bit_rate = atoi(arg) * 1000;
|
|
}
|
|
} else if (!strcasecmp(cmd, "AudioChannels")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
audio_enc.channels = atoi(arg);
|
|
}
|
|
} else if (!strcasecmp(cmd, "AudioSampleRate")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
audio_enc.sample_rate = atoi(arg);
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoBitRate")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
video_enc.bit_rate = atoi(arg) * 1000;
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoSize")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
parse_image_size(&video_enc.width, &video_enc.height, arg);
|
|
if ((video_enc.width % 16) != 0 ||
|
|
(video_enc.height % 16) != 0) {
|
|
fprintf(stderr, "%s:%d: Image size must be a multiple of 16\n",
|
|
filename, line_num);
|
|
errors++;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoFrameRate")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
video_enc.frame_rate = (int)(strtod(arg, NULL) * FRAME_RATE_BASE);
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoGopSize")) {
|
|
get_arg(arg, sizeof(arg), &p);
|
|
if (stream) {
|
|
video_enc.gop_size = atoi(arg);
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoIntraOnly")) {
|
|
if (stream) {
|
|
video_enc.gop_size = 1;
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoHighQuality")) {
|
|
if (stream) {
|
|
video_enc.flags |= CODEC_FLAG_HQ;
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoQDiff")) {
|
|
if (stream) {
|
|
video_enc.max_qdiff = atoi(arg);
|
|
if (video_enc.max_qdiff < 1 || video_enc.max_qdiff > 31) {
|
|
fprintf(stderr, "%s:%d: VideoQDiff out of range\n",
|
|
filename, line_num);
|
|
errors++;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoQMax")) {
|
|
if (stream) {
|
|
video_enc.qmax = atoi(arg);
|
|
if (video_enc.qmax < 1 || video_enc.qmax > 31) {
|
|
fprintf(stderr, "%s:%d: VideoQMax out of range\n",
|
|
filename, line_num);
|
|
errors++;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "VideoQMin")) {
|
|
if (stream) {
|
|
video_enc.qmin = atoi(arg);
|
|
if (video_enc.qmin < 1 || video_enc.qmin > 31) {
|
|
fprintf(stderr, "%s:%d: VideoQMin out of range\n",
|
|
filename, line_num);
|
|
errors++;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(cmd, "NoVideo")) {
|
|
video_id = CODEC_ID_NONE;
|
|
} else if (!strcasecmp(cmd, "NoAudio")) {
|
|
audio_id = CODEC_ID_NONE;
|
|
} else if (!strcasecmp(cmd, "</Stream>")) {
|
|
if (!stream) {
|
|
fprintf(stderr, "%s:%d: No corresponding <Stream> for </Stream>\n",
|
|
filename, line_num);
|
|
errors++;
|
|
}
|
|
if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm") != 0) {
|
|
if (audio_id != CODEC_ID_NONE) {
|
|
audio_enc.codec_type = CODEC_TYPE_AUDIO;
|
|
audio_enc.codec_id = audio_id;
|
|
add_codec(stream, &audio_enc);
|
|
}
|
|
if (video_id != CODEC_ID_NONE) {
|
|
video_enc.codec_type = CODEC_TYPE_VIDEO;
|
|
video_enc.codec_id = video_id;
|
|
add_codec(stream, &video_enc);
|
|
}
|
|
}
|
|
stream = NULL;
|
|
} else {
|
|
fprintf(stderr, "%s:%d: Incorrect keyword: '%s'\n",
|
|
filename, line_num, cmd);
|
|
errors++;
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
if (errors)
|
|
return -1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
void *http_server_thread(void *arg)
|
|
{
|
|
http_server(my_addr);
|
|
return NULL;
|
|
}
|
|
|
|
#if 0
|
|
static void write_packet(FFCodec *ffenc,
|
|
UINT8 *buf, int size)
|
|
{
|
|
PacketHeader hdr;
|
|
AVCodecContext *enc = &ffenc->enc;
|
|
UINT8 *wptr;
|
|
mk_header(&hdr, enc, size);
|
|
wptr = http_fifo.wptr;
|
|
fifo_write(&http_fifo, (UINT8 *)&hdr, sizeof(hdr), &wptr);
|
|
fifo_write(&http_fifo, buf, size, &wptr);
|
|
/* atomic modification of wptr */
|
|
http_fifo.wptr = wptr;
|
|
ffenc->data_count += size;
|
|
ffenc->avg_frame_size = ffenc->avg_frame_size * AVG_COEF + size * (1.0 - AVG_COEF);
|
|
}
|
|
#endif
|
|
|
|
void help(void)
|
|
{
|
|
printf("ffserver version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Gerard Lantau\n"
|
|
"usage: ffserver [-L] [-h] [-f configfile]\n"
|
|
"Hyper fast multi format Audio/Video streaming server\n"
|
|
"\n"
|
|
"-L : print the LICENCE\n"
|
|
"-h : this help\n"
|
|
"-f configfile : use configfile instead of /etc/ffserver.conf\n"
|
|
);
|
|
}
|
|
|
|
void licence(void)
|
|
{
|
|
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"
|
|
"\n"
|
|
"This program 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"
|
|
"\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"
|
|
);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
const char *config_filename;
|
|
int c;
|
|
|
|
register_all();
|
|
|
|
config_filename = "/etc/ffserver.conf";
|
|
|
|
for(;;) {
|
|
c = getopt_long_only(argc, argv, "Lh?f:", NULL, NULL);
|
|
if (c == -1)
|
|
break;
|
|
switch(c) {
|
|
case 'L':
|
|
licence();
|
|
exit(1);
|
|
case '?':
|
|
case 'h':
|
|
help();
|
|
exit(1);
|
|
case 'f':
|
|
config_filename = optarg;
|
|
break;
|
|
default:
|
|
exit(2);
|
|
}
|
|
}
|
|
|
|
/* 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);
|
|
nb_max_connections = 5;
|
|
nb_max_bandwidth = 1000;
|
|
first_stream = NULL;
|
|
logfilename[0] = '\0';
|
|
|
|
if (parse_ffconfig(config_filename) < 0) {
|
|
fprintf(stderr, "Incorrect config file - exiting.\n");
|
|
exit(1);
|
|
}
|
|
|
|
build_feed_streams();
|
|
|
|
/* signal init */
|
|
signal(SIGPIPE, SIG_IGN);
|
|
|
|
/* open log file if needed */
|
|
if (logfilename[0] != '\0') {
|
|
if (!strcmp(logfilename, "-"))
|
|
logfile = stdout;
|
|
else
|
|
logfile = fopen(logfilename, "w");
|
|
}
|
|
|
|
if (http_server(my_addr) < 0) {
|
|
fprintf(stderr, "Could start http server\n");
|
|
exit(1);
|
|
}
|
|
|
|
return 0;
|
|
}
|