mirror of https://git.ffmpeg.org/ffmpeg.git
1581 lines
49 KiB
C
1581 lines
49 KiB
C
/*
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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 "avformat.h"
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/* maximum number of simultaneous HTTP connections */
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#define HTTP_MAX_CONNECTIONS 2000
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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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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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#define IOBUFFER_MAX_SIZE 16384
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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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/* 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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/* 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[IOBUFFER_MAX_SIZE];
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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[MAX_STREAMS]; /* for each type */
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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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} HTTPContext;
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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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/* 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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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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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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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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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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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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int nb_max_connections;
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int nb_connections;
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static long gettime_ms(void)
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{
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struct timeval tv;
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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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static FILE *logfile = NULL;
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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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if (logfile)
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vfprintf(logfile, fmt, ap);
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va_end(ap);
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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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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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tmp = 1;
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setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &tmp, sizeof(tmp));
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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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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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http_log("ffserver started.\n");
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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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/* 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 = 0;
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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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/* 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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cur_time = gettime_ms();
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/* now handle the events */
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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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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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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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/* 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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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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static int handle_http(HTTPContext *c, long cur_time)
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{
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int len;
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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;
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/* 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;
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} else if (len == 0) {
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return -1;
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} else {
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/* search for end of request. XXX: not fully correct since garbage could come after the end */
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UINT8 *ptr;
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c->buffer_ptr += len;
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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 */
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if (http_parse_request(c) < 0)
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return -1;
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} else if (ptr >= c->buffer_end) {
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/* request too long: cannot do anything */
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return -1;
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}
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}
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break;
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case HTTPSTATE_SEND_HEADER:
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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 & POLLOUT))
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return 0;
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len = write(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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/* error : close connection */
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return -1;
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}
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} else {
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c->buffer_ptr += len;
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if (c->buffer_ptr >= c->buffer_end) {
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/* if error, exit */
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if (c->http_error)
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return -1;
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/* all the buffer was send : synchronize to the incoming stream */
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c->state = HTTPSTATE_SEND_DATA_HEADER;
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c->buffer_ptr = c->buffer_end = c->buffer;
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}
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}
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break;
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case HTTPSTATE_SEND_DATA:
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case HTTPSTATE_SEND_DATA_HEADER:
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case HTTPSTATE_SEND_DATA_TRAILER:
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/* no need to read if no events */
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if (c->poll_entry->revents & (POLLERR | POLLHUP))
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return -1;
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if (!(c->poll_entry->revents & POLLOUT))
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return 0;
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if (http_send_data(c) < 0)
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return -1;
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break;
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case HTTPSTATE_RECEIVE_DATA:
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/* no need to read if no events */
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if (c->poll_entry->revents & (POLLERR | POLLHUP))
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return -1;
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if (!(c->poll_entry->revents & POLLIN))
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return 0;
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if (http_receive_data(c) < 0)
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return -1;
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break;
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case HTTPSTATE_WAIT_FEED:
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/* no need to read if no events */
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if (c->poll_entry->revents & (POLLERR | POLLHUP))
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return -1;
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/* nothing to do, we'll be waken up by incoming feed packets */
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break;
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default:
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return -1;
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}
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return 0;
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}
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|
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/* parse http request and prepare header */
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static int http_parse_request(HTTPContext *c)
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{
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char *p;
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int post;
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char cmd[32];
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char info[1024], *filename;
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char url[1024], *q;
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char protocol[32];
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char msg[1024];
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const char *mime_type;
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FFStream *stream;
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p = c->buffer;
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q = cmd;
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while (!isspace(*p) && *p != '\0') {
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if ((q - cmd) < sizeof(cmd) - 1)
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*q++ = *p;
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p++;
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}
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*q = '\0';
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if (!strcmp(cmd, "GET"))
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post = 0;
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else if (!strcmp(cmd, "POST"))
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post = 1;
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else
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return -1;
|
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|
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while (isspace(*p)) p++;
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q = url;
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|
while (!isspace(*p) && *p != '\0') {
|
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if ((q - url) < sizeof(url) - 1)
|
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*q++ = *p;
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p++;
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}
|
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*q = '\0';
|
|
|
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while (isspace(*p)) p++;
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q = protocol;
|
|
while (!isspace(*p) && *p != '\0') {
|
|
if ((q - protocol) < sizeof(protocol) - 1)
|
|
*q++ = *p;
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p++;
|
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}
|
|
*q = '\0';
|
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if (strcmp(protocol, "HTTP/1.0") && strcmp(protocol, "HTTP/1.1"))
|
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return -1;
|
|
|
|
/* find the filename and the optional info string in the request */
|
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p = url;
|
|
if (*p == '/')
|
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p++;
|
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filename = p;
|
|
p = strchr(p, '?');
|
|
if (p) {
|
|
strcpy(info, p);
|
|
*p = '\0';
|
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} else {
|
|
info[0] = '\0';
|
|
}
|
|
|
|
stream = first_stream;
|
|
while (stream != NULL) {
|
|
if (!strcmp(stream->filename, filename))
|
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break;
|
|
stream = stream->next;
|
|
}
|
|
if (stream == NULL) {
|
|
sprintf(msg, "File '%s' not found", url);
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|
goto send_error;
|
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}
|
|
c->stream = stream;
|
|
|
|
/* should do it after so that the size can be computed */
|
|
{
|
|
char buf1[32], buf2[32], *p;
|
|
time_t ti;
|
|
/* XXX: reentrant function ? */
|
|
p = inet_ntoa(c->from_addr.sin_addr);
|
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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 %d\n",
|
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buf1, buf2, cmd, url, protocol, 200, 1024);
|
|
}
|
|
|
|
/* XXX: add there authenticate and IP match */
|
|
|
|
if (post) {
|
|
/* if post, it means a feed is being sent */
|
|
if (!stream->is_feed) {
|
|
sprintf(msg, "POST command not handled");
|
|
goto send_error;
|
|
}
|
|
if (http_start_receive_data(c) < 0) {
|
|
sprintf(msg, "could not open feed");
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|
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, "Content-type: %s\r\n", mime_type);
|
|
q += sprintf(q, "Pragma: no-cache\r\n");
|
|
|
|
/* for asf, we need extra headers */
|
|
if (!strcmp(c->stream->fmt->name,"asf")) {
|
|
q += sprintf(q, "Pragma: features=broadcast\r\n");
|
|
}
|
|
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, "<H1>Available Streams</H1>\n");
|
|
q += sprintf(q, "<TABLE>\n");
|
|
q += sprintf(q, "<TR><TD>Path<TD>Format<TD>Bit rate (kbits/s)<TD>Video<TD>Audio<TD>Feed\n");
|
|
stream = first_stream;
|
|
while (stream != NULL) {
|
|
q += sprintf(q, "<TR><TD><A HREF=\"/%s\">%s</A> ",
|
|
stream->filename, stream->filename);
|
|
switch(stream->stream_type) {
|
|
case STREAM_TYPE_LIVE:
|
|
{
|
|
int audio_bit_rate = 0;
|
|
int video_bit_rate = 0;
|
|
|
|
for(i=0;i<stream->nb_streams;i++) {
|
|
AVStream *st = stream->streams[i];
|
|
switch(st->codec.codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
audio_bit_rate += st->codec.bit_rate;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
video_bit_rate += st->codec.bit_rate;
|
|
break;
|
|
}
|
|
}
|
|
q += sprintf(q, "<TD> %s <TD> %d <TD> %d <TD> %d",
|
|
stream->fmt->name,
|
|
(audio_bit_rate + video_bit_rate) / 1000,
|
|
video_bit_rate / 1000, audio_bit_rate / 1000);
|
|
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> - <TD> - <TD> - <TD> -\n");
|
|
break;
|
|
}
|
|
stream = stream->next;
|
|
}
|
|
q += sprintf(q, "</TABLE>\n");
|
|
|
|
#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, "<H1>Connection Status</H1>\n");
|
|
|
|
q += sprintf(q, "Number of connections: %d / %d<BR>\n",
|
|
nb_connections, nb_max_connections);
|
|
|
|
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) {
|
|
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>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 (size > IOBUFFER_MAX_SIZE)
|
|
abort();
|
|
memcpy(c->buffer, buf, size);
|
|
c->buffer_ptr = c->buffer;
|
|
c->buffer_end = c->buffer + 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 {
|
|
stream_pos = gettime();
|
|
}
|
|
} 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;
|
|
memcpy(st, c->stream->streams[i], sizeof(AVStream));
|
|
st->codec.frame_number = 0; /* XXX: should be done in
|
|
AVStream, not in codec */
|
|
c->got_key_frame[i] = 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[i] = 0;
|
|
}
|
|
}
|
|
init_put_byte(&c->fmt_ctx.pb, c->buffer, IOBUFFER_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;
|
|
for(i=0;i<c->fmt_ctx.nb_streams;i++) {
|
|
c->got_key_frame[i] = 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[i] = 1;
|
|
if (c->got_key_frame[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;
|
|
goto send_it;
|
|
}
|
|
}
|
|
} else {
|
|
send_it:
|
|
av_write_packet(&c->fmt_ctx, &pkt);
|
|
}
|
|
|
|
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) {
|
|
break;
|
|
} else {
|
|
/* state change requested */
|
|
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;
|
|
c->data_count += 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)
|
|
{
|
|
int len;
|
|
HTTPContext *c1;
|
|
|
|
if (c->buffer_ptr >= c->buffer_end) {
|
|
/* a packet has been received : write it in the store, except
|
|
if header */
|
|
if (c->data_count > FFM_PACKET_SIZE) {
|
|
FFStream *feed = c->stream;
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
}
|
|
c->buffer_ptr = c->buffer;
|
|
}
|
|
|
|
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;
|
|
}
|
|
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 == av->codec &&
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
break;
|
|
}
|
|
|
|
st = av_mallocz(sizeof(AVStream));
|
|
if (!st)
|
|
return;
|
|
stream->streams[stream->nb_streams++] = st;
|
|
memcpy(&st->codec, av, sizeof(AVCodecContext));
|
|
}
|
|
|
|
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, "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++;
|
|
}
|
|
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, "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, "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;
|
|
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;
|
|
}
|