FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Data Structures | Macros | Enumerations | Functions | Variables
ffserver.c File Reference

multiple format streaming server based on the FFmpeg libraries More...

#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "libavformat/avformat.h"
#include "libavformat/ffm.h"
#include "libavformat/network.h"
#include "libavformat/os_support.h"
#include "libavformat/rtpdec.h"
#include "libavformat/rtpproto.h"
#include "libavformat/rtsp.h"
#include "libavformat/rtspcodes.h"
#include "libavformat/avio_internal.h"
#include "libavformat/internal.h"
#include "libavformat/url.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/lfg.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/random_seed.h"
#include "libavutil/parseutils.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include <stdarg.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <sys/wait.h>
#include <signal.h>
#include "cmdutils.h"
#include "ffserver_config.h"
#include "cmdutils_common_opts.h"

Go to the source code of this file.

Data Structures

struct  RTSPActionServerSetup
 
struct  DataRateData
 
struct  HTTPContext
 
struct  FeedData
 

Macros

#define closesocket   close
 
#define IOBUFFER_INIT_SIZE   8192
 
#define HTTP_REQUEST_TIMEOUT   (15 * 1000)
 
#define RTSP_REQUEST_TIMEOUT   (3600 * 24 * 1000)
 
#define SYNC_TIMEOUT   (10 * 1000)
 
#define CHECK_CODEC(x)   (ccf->x != ccs->x)
 

Enumerations

enum  HTTPState {
  HTTPSTATE_WAIT_REQUEST, HTTPSTATE_SEND_HEADER, HTTPSTATE_SEND_DATA_HEADER, HTTPSTATE_SEND_DATA,
  HTTPSTATE_SEND_DATA_TRAILER, HTTPSTATE_RECEIVE_DATA, HTTPSTATE_WAIT_FEED, HTTPSTATE_READY,
  RTSPSTATE_WAIT_REQUEST, RTSPSTATE_SEND_REPLY, RTSPSTATE_SEND_PACKET
}
 
enum  RedirType {
  REDIR_NONE, REDIR_ASX, REDIR_RAM, REDIR_ASF,
  REDIR_RTSP, REDIR_SDP
}
 

Functions

static void new_connection (int server_fd, int is_rtsp)
 
static void close_connection (HTTPContext *c)
 
static int handle_connection (HTTPContext *c)
 
static int http_parse_request (HTTPContext *c)
 
static int http_send_data (HTTPContext *c)
 
static void compute_status (HTTPContext *c)
 
static int open_input_stream (HTTPContext *c, const char *info)
 
static int http_start_receive_data (HTTPContext *c)
 
static int http_receive_data (HTTPContext *c)
 
static int rtsp_parse_request (HTTPContext *c)
 
static void rtsp_cmd_describe (HTTPContext *c, const char *url)
 
static void rtsp_cmd_options (HTTPContext *c, const char *url)
 
static void rtsp_cmd_setup (HTTPContext *c, const char *url, RTSPMessageHeader *h)
 
static void rtsp_cmd_play (HTTPContext *c, const char *url, RTSPMessageHeader *h)
 
static void rtsp_cmd_interrupt (HTTPContext *c, const char *url, RTSPMessageHeader *h, int pause_only)
 
static int prepare_sdp_description (FFServerStream *stream, uint8_t **pbuffer, struct in_addr my_ip)
 
static HTTPContextrtp_new_connection (struct sockaddr_in *from_addr, FFServerStream *stream, const char *session_id, enum RTSPLowerTransport rtp_protocol)
 
static int rtp_new_av_stream (HTTPContext *c, int stream_index, struct sockaddr_in *dest_addr, HTTPContext *rtsp_c)
 
static void htmlstrip (char *s)
 
static int64_t ffm_read_write_index (int fd)
 
static int ffm_write_write_index (int fd, int64_t pos)
 
static void ffm_set_write_index (AVFormatContext *s, int64_t pos, int64_t file_size)
 
static char * ctime1 (char *buf2, int buf_size)
 
static void http_vlog (const char *fmt, va_list vargs)
 
static void http_log (const char *fmt,...)
 
static void http_av_log (void *ptr, int level, const char *fmt, va_list vargs)
 
static void log_connection (HTTPContext *c)
 
static void update_datarate (DataRateData *drd, int64_t count)
 
static int compute_datarate (DataRateData *drd, int64_t count)
 
static void start_children (FFServerStream *feed)
 
static int socket_open_listen (struct sockaddr_in *my_addr)
 
static void start_multicast (void)
 
static int http_server (void)
 
static void start_wait_request (HTTPContext *c, int is_rtsp)
 
static void http_send_too_busy_reply (int fd)
 
static int extract_rates (char *rates, int ratelen, const char *request)
 
static int find_stream_in_feed (FFServerStream *feed, AVCodecContext *codec, int bit_rate)
 
static int modify_current_stream (HTTPContext *c, char *rates)
 
static void get_word (char *buf, int buf_size, const char **pp)
 
static FFServerIPAddressACLparse_dynamic_acl (FFServerStream *stream, HTTPContext *c)
 
static void free_acl_list (FFServerIPAddressACL *in_acl)
 
static int validate_acl_list (FFServerIPAddressACL *in_acl, HTTPContext *c)
 
static int validate_acl (FFServerStream *stream, HTTPContext *c)
 
static void compute_real_filename (char *filename, int max_size)
 
static void fmt_bytecount (AVIOContext *pb, int64_t count)
 
static int64_t get_server_clock (HTTPContext *c)
 
static int64_t get_packet_send_clock (HTTPContext *c)
 
static int http_prepare_data (HTTPContext *c)
 
static void rtsp_reply_header (HTTPContext *c, enum RTSPStatusCode error_number)
 
static void rtsp_reply_error (HTTPContext *c, enum RTSPStatusCode error_number)
 
static HTTPContextfind_rtp_session (const char *session_id)
 
static RTSPTransportFieldfind_transport (RTSPMessageHeader *h, enum RTSPLowerTransport lower_transport)
 
static HTTPContextfind_rtp_session_with_url (const char *url, const char *session_id)
 
static AVStreamadd_av_stream1 (FFServerStream *stream, AVCodecContext *codec, int copy)
 
static int add_av_stream (FFServerStream *feed, AVStream *st)
 
static void remove_stream (FFServerStream *stream)
 
static void extract_mpeg4_header (AVFormatContext *infile)
 
static void build_file_streams (void)
 
static void build_feed_streams (void)
 
static void compute_bandwidth (void)
 
static void handle_child_exit (int sig)
 
static void opt_debug (void)
 
void show_help_default (const char *opt, const char *arg)
 Per-fftool specific help handler.
 
int main (int argc, char **argv)
 

Variables

const char program_name [] = "ffserver"
 program name, defined by the program for show_version().
 
const int program_birth_year = 2000
 program birth year, defined by the program for show_banner()
 
static const OptionDef options []
 
static const char *const http_state []
 
static HTTPContextfirst_http_ctx
 
static FFServerConfig config
 
static const char * my_program_name
 
static int no_launch
 
static int need_to_start_children
 
static unsigned int nb_connections
 
static uint64_t current_bandwidth
 
static int64_t cur_time
 
static AVLFG random_state
 
static FILE * logfile = NULL
 

Detailed Description

multiple format streaming server based on the FFmpeg libraries

Definition in file ffserver.c.

Macro Definition Documentation

#define closesocket   close
#define IOBUFFER_INIT_SIZE   8192

Definition at line 110 of file ffserver.c.

Referenced by new_connection(), and rtp_new_connection().

#define HTTP_REQUEST_TIMEOUT   (15 * 1000)

Definition at line 113 of file ffserver.c.

Referenced by start_wait_request().

#define RTSP_REQUEST_TIMEOUT   (3600 * 24 * 1000)

Definition at line 114 of file ffserver.c.

Referenced by start_wait_request().

#define SYNC_TIMEOUT   (10 * 1000)

Definition at line 116 of file ffserver.c.

#define CHECK_CODEC (   x)    (ccf->x != ccs->x)

Referenced by build_feed_streams().

Enumeration Type Documentation

enum HTTPState
Enumerator:
HTTPSTATE_WAIT_REQUEST 
HTTPSTATE_SEND_HEADER 
HTTPSTATE_SEND_DATA_HEADER 
HTTPSTATE_SEND_DATA 
HTTPSTATE_SEND_DATA_TRAILER 
HTTPSTATE_RECEIVE_DATA 
HTTPSTATE_WAIT_FEED 
HTTPSTATE_READY 
RTSPSTATE_WAIT_REQUEST 
RTSPSTATE_SEND_REPLY 
RTSPSTATE_SEND_PACKET 

Definition at line 79 of file ffserver.c.

enum RedirType
Enumerator:
REDIR_NONE 
REDIR_ASX 
REDIR_RAM 
REDIR_ASF 
REDIR_RTSP 
REDIR_SDP 

Definition at line 1280 of file ffserver.c.

Function Documentation

static void new_connection ( int  server_fd,
int  is_rtsp 
)
static

Definition at line 713 of file ffserver.c.

Referenced by http_server().

static void close_connection ( HTTPContext c)
static

Definition at line 764 of file ffserver.c.

Referenced by handle_connection(), http_server(), and rtsp_cmd_interrupt().

static int handle_connection ( HTTPContext c)
static

Definition at line 853 of file ffserver.c.

Referenced by http_server().

static int http_parse_request ( HTTPContext c)
static

Definition at line 1290 of file ffserver.c.

Referenced by handle_connection().

static int http_send_data ( HTTPContext c)
static

Definition at line 2297 of file ffserver.c.

Referenced by handle_connection().

static void compute_status ( HTTPContext c)
static

Definition at line 1725 of file ffserver.c.

Referenced by http_parse_request().

static int open_input_stream ( HTTPContext c,
const char *  info 
)
static
static int http_start_receive_data ( HTTPContext c)
static

Definition at line 2416 of file ffserver.c.

Referenced by http_parse_request().

static int http_receive_data ( HTTPContext c)
static

Definition at line 2475 of file ffserver.c.

Referenced by handle_connection().

static int rtsp_parse_request ( HTTPContext c)
static

Definition at line 2661 of file ffserver.c.

Referenced by handle_connection().

static void rtsp_cmd_describe ( HTTPContext c,
const char *  url 
)
static

Definition at line 2809 of file ffserver.c.

Referenced by rtsp_parse_request().

static void rtsp_cmd_options ( HTTPContext c,
const char *  url 
)
static

Definition at line 2800 of file ffserver.c.

Referenced by rtsp_parse_request().

static void rtsp_cmd_setup ( HTTPContext c,
const char *  url,
RTSPMessageHeader h 
)
static

Definition at line 2883 of file ffserver.c.

Referenced by rtsp_parse_request().

static void rtsp_cmd_play ( HTTPContext c,
const char *  url,
RTSPMessageHeader h 
)
static

Definition at line 3063 of file ffserver.c.

Referenced by rtsp_parse_request().

static void rtsp_cmd_interrupt ( HTTPContext c,
const char *  url,
RTSPMessageHeader h,
int  pause_only 
)
static

Definition at line 3089 of file ffserver.c.

Referenced by rtsp_parse_request().

static int prepare_sdp_description ( FFServerStream stream,
uint8_t **  pbuffer,
struct in_addr  my_ip 
)
static

Definition at line 2750 of file ffserver.c.

Referenced by http_parse_request(), and rtsp_cmd_describe().

static HTTPContext * rtp_new_connection ( struct sockaddr_in *  from_addr,
FFServerStream stream,
const char *  session_id,
enum RTSPLowerTransport  rtp_protocol 
)
static

Definition at line 3122 of file ffserver.c.

Referenced by rtsp_cmd_setup(), and start_multicast().

static int rtp_new_av_stream ( HTTPContext c,
int  stream_index,
struct sockaddr_in *  dest_addr,
HTTPContext rtsp_c 
)
static

Definition at line 3188 of file ffserver.c.

Referenced by rtsp_cmd_setup(), and start_multicast().

static void htmlstrip ( char *  s)
static

Definition at line 254 of file ffserver.c.

Referenced by http_parse_request().

static int64_t ffm_read_write_index ( int  fd)
static

Definition at line 262 of file ffserver.c.

Referenced by build_feed_streams(), and http_start_receive_data().

static int ffm_write_write_index ( int  fd,
int64_t  pos 
)
static

Definition at line 273 of file ffserver.c.

Referenced by http_receive_data(), and http_start_receive_data().

static void ffm_set_write_index ( AVFormatContext s,
int64_t  pos,
int64_t  file_size 
)
static

Definition at line 287 of file ffserver.c.

Referenced by http_prepare_data().

static char* ctime1 ( char *  buf2,
int  buf_size 
)
static

Definition at line 295 of file ffserver.c.

Referenced by http_vlog().

static void http_vlog ( const char *  fmt,
va_list  vargs 
)
static

Definition at line 309 of file ffserver.c.

Referenced by http_av_log(), and http_log().

static void http_log ( const char *  fmt,
  ... 
)
static
static void http_av_log ( void ptr,
int  level,
const char *  fmt,
va_list  vargs 
)
static

Definition at line 335 of file ffserver.c.

Referenced by main().

static void log_connection ( HTTPContext c)
static

Definition at line 347 of file ffserver.c.

Referenced by http_server().

static void update_datarate ( DataRateData drd,
int64_t  count 
)
static

Definition at line 357 of file ffserver.c.

Referenced by http_receive_data(), and http_send_data().

static int compute_datarate ( DataRateData drd,
int64_t  count 
)
static

Definition at line 371 of file ffserver.c.

Referenced by compute_status().

static void start_children ( FFServerStream feed)
static

Definition at line 380 of file ffserver.c.

Referenced by http_server().

static int socket_open_listen ( struct sockaddr_in *  my_addr)
static

Definition at line 440 of file ffserver.c.

Referenced by http_server().

static void start_multicast ( void  )
static

Definition at line 476 of file ffserver.c.

Referenced by http_server().

static int http_server ( void  )
static

Definition at line 532 of file ffserver.c.

Referenced by main().

static void start_wait_request ( HTTPContext c,
int  is_rtsp 
)
static

Definition at line 681 of file ffserver.c.

Referenced by handle_connection(), and new_connection().

static void http_send_too_busy_reply ( int  fd)
static

Definition at line 695 of file ffserver.c.

Referenced by new_connection().

static int extract_rates ( char *  rates,
int  ratelen,
const char *  request 
)
static

Definition at line 1029 of file ffserver.c.

Referenced by http_parse_request().

static int find_stream_in_feed ( FFServerStream feed,
AVCodecContext codec,
int  bit_rate 
)
static

Definition at line 1076 of file ffserver.c.

Referenced by modify_current_stream().

static int modify_current_stream ( HTTPContext c,
char *  rates 
)
static

Definition at line 1113 of file ffserver.c.

Referenced by http_parse_request().

static void get_word ( char *  buf,
int  buf_size,
const char **  pp 
)
static

Definition at line 1151 of file ffserver.c.

Referenced by http_parse_request(), and rtsp_parse_request().

static FFServerIPAddressACL* parse_dynamic_acl ( FFServerStream stream,
HTTPContext c 
)
static

Definition at line 1169 of file ffserver.c.

Referenced by validate_acl().

static void free_acl_list ( FFServerIPAddressACL in_acl)
static

Definition at line 1206 of file ffserver.c.

Referenced by validate_acl().

static int validate_acl_list ( FFServerIPAddressACL in_acl,
HTTPContext c 
)
static

Definition at line 1218 of file ffserver.c.

Referenced by validate_acl().

static int validate_acl ( FFServerStream stream,
HTTPContext c 
)
static

Definition at line 1235 of file ffserver.c.

Referenced by http_parse_request().

static void compute_real_filename ( char *  filename,
int  max_size 
)
static

Definition at line 1256 of file ffserver.c.

Referenced by http_parse_request().

static void fmt_bytecount ( AVIOContext pb,
int64_t  count 
)
static

Definition at line 1715 of file ffserver.c.

Referenced by compute_status().

static int64_t get_server_clock ( HTTPContext c)
static

Definition at line 2044 of file ffserver.c.

Referenced by http_send_data().

static int64_t get_packet_send_clock ( HTTPContext c)
static

Definition at line 2052 of file ffserver.c.

Referenced by http_send_data().

static int http_prepare_data ( HTTPContext c)
static

Definition at line 2067 of file ffserver.c.

Referenced by http_send_data().

static void rtsp_reply_header ( HTTPContext c,
enum RTSPStatusCode  error_number 
)
static
static void rtsp_reply_error ( HTTPContext c,
enum RTSPStatusCode  error_number 
)
static
static HTTPContext* find_rtp_session ( const char *  session_id)
static

Definition at line 2856 of file ffserver.c.

Referenced by find_rtp_session_with_url(), and rtsp_cmd_setup().

static RTSPTransportField* find_transport ( RTSPMessageHeader h,
enum RTSPLowerTransport  lower_transport 
)
static

Definition at line 2870 of file ffserver.c.

Referenced by rtsp_cmd_setup().

static HTTPContext* find_rtp_session_with_url ( const char *  url,
const char *  session_id 
)
static

Definition at line 3029 of file ffserver.c.

Referenced by rtsp_cmd_interrupt(), and rtsp_cmd_play().

static AVStream* add_av_stream1 ( FFServerStream stream,
AVCodecContext codec,
int  copy 
)
static

Definition at line 3287 of file ffserver.c.

Referenced by add_av_stream(), and build_file_streams().

static int add_av_stream ( FFServerStream feed,
AVStream st 
)
static

Definition at line 3320 of file ffserver.c.

Referenced by build_feed_streams().

static void remove_stream ( FFServerStream stream)
static

Definition at line 3360 of file ffserver.c.

Referenced by build_file_streams().

static void extract_mpeg4_header ( AVFormatContext infile)
static

Definition at line 3373 of file ffserver.c.

Referenced by build_file_streams().

static void build_file_streams ( void  )
static

Definition at line 3424 of file ffserver.c.

Referenced by main().

static void build_feed_streams ( void  )
static

Definition at line 3476 of file ffserver.c.

Referenced by main().

static void compute_bandwidth ( void  )
static

Definition at line 3623 of file ffserver.c.

Referenced by main().

static void handle_child_exit ( int  sig)
static

Definition at line 3646 of file ffserver.c.

Referenced by main().

static void opt_debug ( void  )
static

Definition at line 3671 of file ffserver.c.

void show_help_default ( const char *  opt,
const char *  arg 
)

Per-fftool specific help handler.

Implemented in each fftool, called by show_help().

Definition at line 3677 of file ffserver.c.

Referenced by show_help().

int main ( int  argc,
char **  argv 
)

Definition at line 3693 of file ffserver.c.

Variable Documentation

const char program_name[] = "ffserver"

program name, defined by the program for show_version().

Definition at line 74 of file ffserver.c.

Referenced by compute_status(), expand_filename_template(), init_report(), main(), print_program_info(), show_help_default(), show_license(), and show_usage().

const int program_birth_year = 2000

program birth year, defined by the program for show_banner()

Definition at line 75 of file ffserver.c.

Referenced by ffprobe_show_program_version(), and print_program_info().

const OptionDef options[]
static

Definition at line 77 of file ffserver.c.

const char* const http_state[]
static
Initial value:
= {
"HTTP_WAIT_REQUEST",
"HTTP_SEND_HEADER",
"SEND_DATA_HEADER",
"SEND_DATA",
"SEND_DATA_TRAILER",
"RECEIVE_DATA",
"WAIT_FEED",
"READY",
"RTSP_WAIT_REQUEST",
"RTSP_SEND_REPLY",
"RTSP_SEND_PACKET",
}

Definition at line 94 of file ffserver.c.

Referenced by compute_status().

HTTPContext* first_http_ctx
static
FFServerConfig config
static
Initial value:
= {
.nb_max_http_connections = 2000,
.nb_max_connections = 5,
.max_bandwidth = 1000,
}

Definition at line 200 of file ffserver.c.

Referenced by dshow_cycle_formats(), dshow_set_audio_buffer_size(), dxva2_create_decoder(), parse_dsd_prop(), parse_fmtp_config(), and wavpack_encode_init().

const char* my_program_name
static

Definition at line 238 of file ffserver.c.

Referenced by main(), and start_children().

int no_launch
static

Definition at line 240 of file ffserver.c.

Referenced by start_children().

int need_to_start_children
static

Definition at line 241 of file ffserver.c.

Referenced by handle_child_exit(), and http_server().

unsigned int nb_connections
static
uint64_t current_bandwidth
static
int64_t cur_time
static
AVLFG random_state
static

Definition at line 250 of file ffserver.c.

FILE* logfile = NULL
static

Definition at line 252 of file ffserver.c.

Referenced by http_vlog(), and main().