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2034 lines
65 KiB
2034 lines
65 KiB
/* |
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* Multiple format streaming server |
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* Copyright (c) 2000,2001 Gerard Lantau. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <netinet/in.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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#include <sys/ioctl.h> |
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#include <sys/poll.h> |
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#include <errno.h> |
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#include <sys/time.h> |
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#include <time.h> |
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#include <getopt.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <arpa/inet.h> |
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#include <netdb.h> |
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#include <ctype.h> |
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#include <signal.h> |
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#include <assert.h> |
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|
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#include "bswap.h" // needed for the bitstream writer in common.h which is included in avformat.h |
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#include "avformat.h" |
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|
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/* maximum number of simultaneous HTTP connections */ |
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#define HTTP_MAX_CONNECTIONS 2000 |
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|
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enum HTTPState { |
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HTTPSTATE_WAIT_REQUEST, |
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HTTPSTATE_SEND_HEADER, |
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HTTPSTATE_SEND_DATA_HEADER, |
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HTTPSTATE_SEND_DATA, |
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HTTPSTATE_SEND_DATA_TRAILER, |
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HTTPSTATE_RECEIVE_DATA, |
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HTTPSTATE_WAIT_FEED, |
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}; |
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|
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const char *http_state[] = { |
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"WAIT_REQUEST", |
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"SEND_HEADER", |
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"SEND_DATA_HEADER", |
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"SEND_DATA", |
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"SEND_DATA_TRAILER", |
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"RECEIVE_DATA", |
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"WAIT_FEED", |
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}; |
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|
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#define IOBUFFER_MAX_SIZE 32768 |
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#define PACKET_MAX_SIZE 16384 |
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|
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/* coef for exponential mean for bitrate estimation in statistics */ |
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#define AVG_COEF 0.9 |
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|
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/* timeouts are in ms */ |
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#define REQUEST_TIMEOUT (15 * 1000) |
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#define SYNC_TIMEOUT (10 * 1000) |
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|
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/* context associated with one connection */ |
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typedef struct HTTPContext { |
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enum HTTPState state; |
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int fd; /* socket file descriptor */ |
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struct sockaddr_in from_addr; /* origin */ |
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struct pollfd *poll_entry; /* used when polling */ |
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long timeout; |
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UINT8 *buffer_ptr, *buffer_end; |
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int http_error; |
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struct HTTPContext *next; |
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int got_key_frame; /* stream 0 => 1, stream 1 => 2, stream 2=> 4 */ |
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INT64 data_count; |
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/* feed input */ |
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int feed_fd; |
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/* input format handling */ |
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AVFormatContext *fmt_in; |
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/* output format handling */ |
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struct FFStream *stream; |
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AVFormatContext fmt_ctx; |
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int last_packet_sent; /* true if last data packet was sent */ |
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int suppress_log; |
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int bandwidth; |
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char protocol[16]; |
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char method[16]; |
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char url[128]; |
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UINT8 buffer[IOBUFFER_MAX_SIZE]; |
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UINT8 pbuffer[PACKET_MAX_SIZE]; |
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} HTTPContext; |
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|
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/* each generated stream is described here */ |
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enum StreamType { |
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STREAM_TYPE_LIVE, |
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STREAM_TYPE_STATUS, |
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}; |
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|
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/* description of each stream of the ffserver.conf file */ |
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typedef struct FFStream { |
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enum StreamType stream_type; |
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char filename[1024]; /* stream filename */ |
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struct FFStream *feed; |
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AVFormat *fmt; |
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int nb_streams; |
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int prebuffer; /* Number of millseconds early to start */ |
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int send_on_key; |
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AVStream *streams[MAX_STREAMS]; |
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int feed_streams[MAX_STREAMS]; /* index of streams in the feed */ |
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char feed_filename[1024]; /* file name of the feed storage, or |
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input file name for a stream */ |
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struct FFStream *next; |
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/* feed specific */ |
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int feed_opened; /* true if someone if writing to feed */ |
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int is_feed; /* true if it is a feed */ |
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int conns_served; |
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INT64 bytes_served; |
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INT64 feed_max_size; /* maximum storage size */ |
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INT64 feed_write_index; /* current write position in feed (it wraps round) */ |
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INT64 feed_size; /* current size of feed */ |
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struct FFStream *next_feed; |
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} FFStream; |
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|
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typedef struct FeedData { |
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long long data_count; |
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float avg_frame_size; /* frame size averraged over last frames with exponential mean */ |
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} FeedData; |
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|
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struct sockaddr_in my_addr; |
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char logfilename[1024]; |
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HTTPContext *first_http_ctx; |
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FFStream *first_feed; /* contains only feeds */ |
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FFStream *first_stream; /* contains all streams, including feeds */ |
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|
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static int handle_http(HTTPContext *c, long cur_time); |
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static int http_parse_request(HTTPContext *c); |
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static int http_send_data(HTTPContext *c); |
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static void compute_stats(HTTPContext *c); |
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static int open_input_stream(HTTPContext *c, const char *info); |
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static int http_start_receive_data(HTTPContext *c); |
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static int http_receive_data(HTTPContext *c); |
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|
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int nb_max_connections; |
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int nb_connections; |
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|
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int nb_max_bandwidth; |
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int nb_bandwidth; |
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|
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static long gettime_ms(void) |
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{ |
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struct timeval tv; |
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|
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gettimeofday(&tv,NULL); |
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return (long long)tv.tv_sec * 1000 + (tv.tv_usec / 1000); |
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} |
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|
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static FILE *logfile = NULL; |
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|
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static void http_log(char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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|
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if (logfile) { |
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vfprintf(logfile, fmt, ap); |
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fflush(logfile); |
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} |
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va_end(ap); |
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} |
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|
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static void log_connection(HTTPContext *c) |
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{ |
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char buf1[32], buf2[32], *p; |
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time_t ti; |
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|
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if (c->suppress_log) |
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return; |
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|
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/* XXX: reentrant function ? */ |
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p = inet_ntoa(c->from_addr.sin_addr); |
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strcpy(buf1, p); |
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ti = time(NULL); |
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p = ctime(&ti); |
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strcpy(buf2, p); |
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p = buf2 + strlen(p) - 1; |
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if (*p == '\n') |
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*p = '\0'; |
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http_log("%s - - [%s] \"%s %s %s\" %d %lld\n", |
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buf1, buf2, c->method, c->url, c->protocol, (c->http_error ? c->http_error : 200), c->data_count); |
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} |
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|
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/* main loop of the http server */ |
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static int http_server(struct sockaddr_in my_addr) |
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{ |
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int server_fd, tmp, ret; |
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struct sockaddr_in from_addr; |
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struct pollfd poll_table[HTTP_MAX_CONNECTIONS + 1], *poll_entry; |
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HTTPContext *c, **cp; |
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long cur_time; |
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|
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server_fd = socket(AF_INET,SOCK_STREAM,0); |
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if (server_fd < 0) { |
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perror ("socket"); |
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return -1; |
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} |
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|
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tmp = 1; |
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setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp)); |
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|
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if (bind (server_fd, (struct sockaddr *) &my_addr, sizeof (my_addr)) < 0) { |
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perror ("bind"); |
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close(server_fd); |
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return -1; |
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} |
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|
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if (listen (server_fd, 5) < 0) { |
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perror ("listen"); |
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close(server_fd); |
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return -1; |
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} |
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|
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http_log("ffserver started.\n"); |
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|
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fcntl(server_fd, F_SETFL, O_NONBLOCK); |
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first_http_ctx = NULL; |
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nb_connections = 0; |
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first_http_ctx = NULL; |
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for(;;) { |
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poll_entry = poll_table; |
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poll_entry->fd = server_fd; |
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poll_entry->events = POLLIN; |
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poll_entry++; |
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|
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/* wait for events on each HTTP handle */ |
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c = first_http_ctx; |
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while (c != NULL) { |
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int fd; |
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fd = c->fd; |
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switch(c->state) { |
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case HTTPSTATE_WAIT_REQUEST: |
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c->poll_entry = poll_entry; |
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poll_entry->fd = fd; |
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poll_entry->events = POLLIN; |
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poll_entry++; |
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break; |
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case HTTPSTATE_SEND_HEADER: |
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case HTTPSTATE_SEND_DATA_HEADER: |
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case HTTPSTATE_SEND_DATA: |
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case HTTPSTATE_SEND_DATA_TRAILER: |
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c->poll_entry = poll_entry; |
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poll_entry->fd = fd; |
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poll_entry->events = POLLOUT; |
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poll_entry++; |
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break; |
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case HTTPSTATE_RECEIVE_DATA: |
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c->poll_entry = poll_entry; |
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poll_entry->fd = fd; |
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poll_entry->events = POLLIN; |
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poll_entry++; |
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break; |
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case HTTPSTATE_WAIT_FEED: |
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/* need to catch errors */ |
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c->poll_entry = poll_entry; |
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poll_entry->fd = fd; |
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poll_entry->events = POLLIN;/* Maybe this will work */ |
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poll_entry++; |
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break; |
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default: |
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c->poll_entry = NULL; |
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break; |
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} |
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c = c->next; |
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} |
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|
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/* wait for an event on one connection. We poll at least every |
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second to handle timeouts */ |
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do { |
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ret = poll(poll_table, poll_entry - poll_table, 1000); |
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} while (ret == -1); |
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|
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cur_time = gettime_ms(); |
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|
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/* now handle the events */ |
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|
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cp = &first_http_ctx; |
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while ((*cp) != NULL) { |
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c = *cp; |
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if (handle_http (c, cur_time) < 0) { |
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/* close and free the connection */ |
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log_connection(c); |
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close(c->fd); |
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if (c->fmt_in) |
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av_close_input_file(c->fmt_in); |
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*cp = c->next; |
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nb_bandwidth -= c->bandwidth; |
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free(c); |
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nb_connections--; |
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} else { |
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cp = &c->next; |
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} |
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} |
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|
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/* new connection request ? */ |
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poll_entry = poll_table; |
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if (poll_entry->revents & POLLIN) { |
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int fd, len; |
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|
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len = sizeof(from_addr); |
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fd = accept(server_fd, (struct sockaddr *)&from_addr, |
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&len); |
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if (fd >= 0) { |
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fcntl(fd, F_SETFL, O_NONBLOCK); |
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/* XXX: should output a warning page when coming |
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close to the connection limit */ |
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if (nb_connections >= nb_max_connections) { |
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close(fd); |
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} else { |
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/* add a new connection */ |
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c = av_mallocz(sizeof(HTTPContext)); |
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c->next = first_http_ctx; |
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first_http_ctx = c; |
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c->fd = fd; |
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c->poll_entry = NULL; |
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c->from_addr = from_addr; |
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c->state = HTTPSTATE_WAIT_REQUEST; |
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c->buffer_ptr = c->buffer; |
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c->buffer_end = c->buffer + IOBUFFER_MAX_SIZE; |
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c->timeout = cur_time + REQUEST_TIMEOUT; |
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nb_connections++; |
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} |
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} |
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} |
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poll_entry++; |
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} |
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} |
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|
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static int handle_http(HTTPContext *c, long cur_time) |
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{ |
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int len; |
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|
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switch(c->state) { |
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case HTTPSTATE_WAIT_REQUEST: |
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/* timeout ? */ |
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if ((c->timeout - cur_time) < 0) |
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return -1; |
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if (c->poll_entry->revents & (POLLERR | POLLHUP)) |
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return -1; |
|
|
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/* no need to read if no events */ |
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if (!(c->poll_entry->revents & POLLIN)) |
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return 0; |
|
/* read the data */ |
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len = read(c->fd, c->buffer_ptr, c->buffer_end - c->buffer_ptr); |
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if (len < 0) { |
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if (errno != EAGAIN && errno != EINTR) |
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return -1; |
|
} else if (len == 0) { |
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return -1; |
|
} else { |
|
/* search for end of request. XXX: not fully correct since garbage could come after the end */ |
|
UINT8 *ptr; |
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c->buffer_ptr += len; |
|
ptr = c->buffer_ptr; |
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if ((ptr >= c->buffer + 2 && !memcmp(ptr-2, "\n\n", 2)) || |
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(ptr >= c->buffer + 4 && !memcmp(ptr-4, "\r\n\r\n", 4))) { |
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/* request found : parse it and reply */ |
|
if (http_parse_request(c) < 0) |
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return -1; |
|
} else if (ptr >= c->buffer_end) { |
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/* request too long: cannot do anything */ |
|
return -1; |
|
} |
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} |
|
break; |
|
|
|
case HTTPSTATE_SEND_HEADER: |
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if (c->poll_entry->revents & (POLLERR | POLLHUP)) |
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return -1; |
|
|
|
/* no need to read if no events */ |
|
if (!(c->poll_entry->revents & POLLOUT)) |
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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; |
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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; |
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} |
|
} |
|
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'; |
|
|
|
strlcpy(c->method, cmd, sizeof(c->method)); |
|
|
|
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'; |
|
|
|
strlcpy(c->url, url, sizeof(c->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; |
|
|
|
strlcpy(c->protocol, protocol, sizeof(c->protocol)); |
|
|
|
/* find the filename and the optional info string in the request */ |
|
p = url; |
|
if (*p == '/') |
|
p++; |
|
filename = p; |
|
p = strchr(p, '?'); |
|
if (p) { |
|
strlcpy(info, p, sizeof(info)); |
|
*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: |
|
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 |
|
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) { |
|
strlcpy(sfilename, stream->filename, sizeof(sfilename) - 1); |
|
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: |
|
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\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"; |
|
|
|
switch(st->codec.codec_type) { |
|
case CODEC_TYPE_AUDIO: |
|
type = "audio"; |
|
break; |
|
case CODEC_TYPE_VIDEO: |
|
type = "video"; |
|
break; |
|
default: |
|
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 : ""); |
|
} |
|
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) |
|
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 */ |
|
s = av_open_input_file(input_filename, NULL, buf_size, NULL); |
|
if (!s) |
|
return -1; |
|
c->fmt_in = s; |
|
|
|
if (c->fmt_in->format->read_seek) { |
|
c->fmt_in->format->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.format = 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.format = 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 */ |
|
c->fmt_ctx.format->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 = malloc(payload_size); |
|
if (fifo_read(&http_fifo, payload, payload_size, &c->rptr) < 0) { |
|
/* cannot read all the payload */ |
|
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; |
|
} |
|
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 (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 */ |
|
c->fmt_ctx.format->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; |
|
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; |
|
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; |
|
|
|
if (feed->fmt->read_header(&s, 0) < 0) { |
|
goto fail; |
|
} |
|
|
|
/* Now we have the actual streams */ |
|
if (s.nb_streams != feed->nb_streams) { |
|
goto fail; |
|
} |
|
for (i = 0; i < s.nb_streams; i++) { |
|
memcpy(&feed->streams[i]->codec, &s.streams[i]->codec, sizeof(AVCodecContext)); |
|
} |
|
} |
|
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: |
|
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->format = 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; |
|
} |
|
s->format->write_header(s); |
|
|
|
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: |
|
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, "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 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 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; |
|
}
|
|
|