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mpv/libmpdemux/network.c

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/*
* Network layer for MPlayer
* by Bertrand BAUDET <bertrand_baudet@yahoo.com>
* (C) 2001, MPlayer team.
*/
//#define DUMP2FILE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include "config.h"
#ifndef HAVE_WINSOCK2
#define closesocket close
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#include "stream.h"
#include "demuxer.h"
#include "../m_config.h"
#include "network.h"
#include "http.h"
#include "cookies.h"
#include "url.h"
#include "asf.h"
#ifndef STREAMING_LIVE_DOT_COM
#include "rtp.h"
#endif
#include "pnm.h"
#include "realrtsp/rtsp_session.h"
#include "../version.h"
extern int verbose;
extern int stream_cache_size;
extern int mp_input_check_interrupt(int time);
int asf_streaming_start( stream_t *stream, int *demuxer_type );
int rtsp_streaming_start( stream_t *stream );
/* Variables for the command line option -user, -passwd, -bandwidth,
-user-agent and -nocookies */
char *network_username=NULL;
char *network_password=NULL;
int network_bandwidth=0;
int network_cookies_enabled = 0;
char *network_useragent=NULL;
/* IPv6 options */
int network_prefer_ipv4 = 0;
int network_ipv4_only_proxy = 0;
static struct {
char *mime_type;
int demuxer_type;
} mime_type_table[] = {
// MP3 streaming, some MP3 streaming server answer with audio/mpeg
{ "audio/mpeg", DEMUXER_TYPE_AUDIO },
// MPEG streaming
{ "video/mpeg", DEMUXER_TYPE_MPEG_PS },
{ "video/x-mpeg", DEMUXER_TYPE_MPEG_PS },
{ "video/x-mpeg2", DEMUXER_TYPE_MPEG_PS },
// AVI ??? => video/x-msvideo
{ "video/x-msvideo", DEMUXER_TYPE_AVI },
// MOV => video/quicktime
{ "video/quicktime", DEMUXER_TYPE_MOV },
// ASF
{ "audio/x-ms-wax", DEMUXER_TYPE_ASF },
{ "audio/x-ms-wma", DEMUXER_TYPE_ASF },
{ "video/x-ms-asf", DEMUXER_TYPE_ASF },
{ "video/x-ms-afs", DEMUXER_TYPE_ASF },
{ "video/x-ms-wvx", DEMUXER_TYPE_ASF },
{ "video/x-ms-wmv", DEMUXER_TYPE_ASF },
{ "video/x-ms-wma", DEMUXER_TYPE_ASF },
// Playlists
{ "video/x-ms-wmx", DEMUXER_TYPE_PLAYLIST },
{ "audio/x-scpls", DEMUXER_TYPE_PLAYLIST },
{ "audio/x-mpegurl", DEMUXER_TYPE_PLAYLIST },
{ "audio/x-pls", DEMUXER_TYPE_PLAYLIST },
// Real Media
{ "audio/x-pn-realaudio", DEMUXER_TYPE_REAL },
// OGG Streaming
{ "application/x-ogg", DEMUXER_TYPE_OGG }
};
/*
* An autodetection based on the extension is not a good idea.
*
static struct {
char *extension;
int demuxer_type;
} extensions_table[] = {
{ "mpeg", DEMUXER_TYPE_MPEG_PS },
{ "mpg", DEMUXER_TYPE_MPEG_PS },
{ "mpe", DEMUXER_TYPE_MPEG_ES },
{ "avi", DEMUXER_TYPE_AVI },
{ "mov", DEMUXER_TYPE_MOV },
{ "qt", DEMUXER_TYPE_MOV },
{ "asx", DEMUXER_TYPE_ASF },
{ "asf", DEMUXER_TYPE_ASF },
{ "wmv", DEMUXER_TYPE_ASF },
{ "wma", DEMUXER_TYPE_ASF },
{ "viv", DEMUXER_TYPE_VIVO },
{ "rm", DEMUXER_TYPE_REAL },
{ "ra", DEMUXER_TYPE_REAL },
{ "y4m", DEMUXER_TYPE_Y4M },
{ "mp3", DEMUXER_TYPE_AUDIO },
{ "ogg", DEMUXER_TYPE_OGG },
{ "wav", DEMUXER_TYPE_AUDIO },
{ "pls", DEMUXER_TYPE_PLAYLIST },
{ "m3u", DEMUXER_TYPE_PLAYLIST }
};
*/
streaming_ctrl_t *
streaming_ctrl_new( ) {
streaming_ctrl_t *streaming_ctrl;
streaming_ctrl = (streaming_ctrl_t*)malloc(sizeof(streaming_ctrl_t));
if( streaming_ctrl==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_FATAL,"Failed to allocate memory\n");
return NULL;
}
memset( streaming_ctrl, 0, sizeof(streaming_ctrl_t) );
return streaming_ctrl;
}
void
streaming_ctrl_free( streaming_ctrl_t *streaming_ctrl ) {
if( streaming_ctrl==NULL ) return;
if( streaming_ctrl->url ) url_free( streaming_ctrl->url );
if( streaming_ctrl->buffer ) free( streaming_ctrl->buffer );
if( streaming_ctrl->data ) free( streaming_ctrl->data );
free( streaming_ctrl );
}
#ifndef STREAMING_LIVE_DOT_COM
int
read_rtp_from_server(int fd, char *buffer, int length) {
struct rtpheader rh;
char *data;
int len;
static int got_first = 0;
static unsigned short sequence;
if( buffer==NULL || length<0 ) return -1;
getrtp2(fd, &rh, &data, &len);
if( got_first && rh.b.sequence != (unsigned short)(sequence+1) )
mp_msg(MSGT_NETWORK,MSGL_ERR,"RTP packet sequence error! Expected: %d, received: %d\n",
sequence+1, rh.b.sequence);
got_first = 1;
sequence = rh.b.sequence;
memcpy(buffer, data, len);
return(len);
}
#endif
// Converts an address family constant to a string
char *af2String(int af) {
switch (af) {
case AF_INET: return "AF_INET";
#ifdef HAVE_AF_INET6
case AF_INET6: return "AF_INET6";
#endif
default: return "Unknown address family!";
}
}
// Connect to a server using a TCP connection, with specified address family
// return -2 for fatal error, like unable to resolve name, connection timeout...
// return -1 is unable to connect to a particular port
int
connect2Server_with_af(char *host, int port, int af,int verb) {
int socket_server_fd;
int err, err_len;
int ret,count = 0;
fd_set set;
struct timeval tv;
union {
struct sockaddr_in four;
#ifdef HAVE_AF_INET6
struct sockaddr_in6 six;
#endif
} server_address;
size_t server_address_size;
void *our_s_addr; // Pointer to sin_addr or sin6_addr
struct hostent *hp=NULL;
char buf[255];
#ifdef HAVE_WINSOCK2
u_long val;
#endif
socket_server_fd = socket(af, SOCK_STREAM, 0);
if( socket_server_fd==-1 ) {
// mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create %s socket:\n", af2String(af));
return -2;
}
switch (af) {
case AF_INET: our_s_addr = (void *) &server_address.four.sin_addr; break;
#ifdef HAVE_AF_INET6
case AF_INET6: our_s_addr = (void *) &server_address.six.sin6_addr; break;
#endif
default:
mp_msg(MSGT_NETWORK,MSGL_ERR, "Unknown address family %d:\n", af);
return -2;
}
bzero(&server_address, sizeof(server_address));
#ifndef HAVE_WINSOCK2
#ifdef USE_ATON
if (inet_aton(host, our_s_addr)!=1)
#else
if (inet_pton(af, host, our_s_addr)!=1)
#endif
#else
if ( inet_addr(host)==INADDR_NONE )
#endif
{
if(verb) mp_msg(MSGT_NETWORK,MSGL_STATUS,"Resolving %s for %s...\n", host, af2String(af));
#ifdef HAVE_GETHOSTBYNAME2
hp=(struct hostent*)gethostbyname2( host, af );
#else
hp=(struct hostent*)gethostbyname( host );
#endif
if( hp==NULL ) {
if(verb) mp_msg(MSGT_NETWORK,MSGL_ERR,"Couldn't resolve name for %s: %s\n", af2String(af), host);
return -2;
}
memcpy( our_s_addr, (void*)hp->h_addr, hp->h_length );
}
#ifdef HAVE_WINSOCK2
else {
unsigned long addr = inet_addr(host);
memcpy( our_s_addr, (void*)&addr, sizeof(addr) );
}
#endif
switch (af) {
case AF_INET:
server_address.four.sin_family=af;
server_address.four.sin_port=htons(port);
server_address_size = sizeof(server_address.four);
break;
#ifdef HAVE_AF_INET6
case AF_INET6:
server_address.six.sin6_family=af;
server_address.six.sin6_port=htons(port);
server_address_size = sizeof(server_address.six);
break;
#endif
default:
mp_msg(MSGT_NETWORK,MSGL_ERR, "Unknown address family %d:\n", af);
return -2;
}
#if defined(USE_ATON) || defined(HAVE_WINSOCK2)
strncpy( buf, inet_ntoa( *((struct in_addr*)our_s_addr) ), 255);
#else
inet_ntop(af, our_s_addr, buf, 255);
#endif
if(verb) mp_msg(MSGT_NETWORK,MSGL_STATUS,"Connecting to server %s[%s]:%d ...\n", host, buf , port );
// Turn the socket as non blocking so we can timeout on the connection
#ifndef HAVE_WINSOCK2
fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) | O_NONBLOCK );
#else
val = 1;
ioctlsocket( socket_server_fd, FIONBIO, &val );
#endif
if( connect( socket_server_fd, (struct sockaddr*)&server_address, server_address_size )==-1 ) {
#ifndef HAVE_WINSOCK2
if( errno!=EINPROGRESS ) {
#else
if( (WSAGetLastError() != WSAEINPROGRESS) && (WSAGetLastError() != WSAEWOULDBLOCK) ) {
#endif
if(verb) mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server with %s\n", af2String(af));
closesocket(socket_server_fd);
return -1;
}
}
tv.tv_sec = 0;
tv.tv_usec = 500000;
FD_ZERO( &set );
FD_SET( socket_server_fd, &set );
// When the connection will be made, we will have a writable fd
while((ret = select(socket_server_fd+1, NULL, &set, NULL, &tv)) == 0) {
if( ret<0 ) mp_msg(MSGT_NETWORK,MSGL_ERR,"select failed\n");
else if(ret > 0) break;
else if(count > 30 || mp_input_check_interrupt(500)) {
if(count > 30)
mp_msg(MSGT_NETWORK,MSGL_ERR,"Connection timeout\n");
else
mp_msg(MSGT_NETWORK,MSGL_V,"Connection interuppted by user\n");
return -3;
}
count++;
FD_ZERO( &set );
FD_SET( socket_server_fd, &set );
tv.tv_sec = 0;
tv.tv_usec = 500000;
}
// Turn back the socket as blocking
#ifndef HAVE_WINSOCK2
fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) & ~O_NONBLOCK );
#else
val = 0;
ioctlsocket( socket_server_fd, FIONBIO, &val );
#endif
// Check if there were any error
err_len = sizeof(int);
ret = getsockopt(socket_server_fd,SOL_SOCKET,SO_ERROR,&err,&err_len);
if(ret < 0) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"getsockopt failed : %s\n",strerror(errno));
return -2;
}
if(err > 0) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Connect error : %s\n",strerror(err));
return -1;
}
return socket_server_fd;
}
// Connect to a server using a TCP connection
// return -2 for fatal error, like unable to resolve name, connection timeout...
// return -1 is unable to connect to a particular port
int
connect2Server(char *host, int port, int verb) {
#ifdef HAVE_AF_INET6
int r;
int s = -2;
r = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET:AF_INET6,verb);
if (r > -1) return r;
s = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET6:AF_INET,verb);
if (s == -2) return r;
return s;
#else
return connect2Server_with_af(host, port, AF_INET,verb);
#endif
}
URL_t*
check4proxies( URL_t *url ) {
URL_t *url_out = NULL;
if( url==NULL ) return NULL;
url_out = url_new( url->url );
if( !strcasecmp(url->protocol, "http_proxy") ) {
mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: http://%s:%d\n", url->hostname, url->port );
return url_out;
}
// Check if the http_proxy environment variable is set.
if( !strcasecmp(url->protocol, "http") ) {
char *proxy;
proxy = getenv("http_proxy");
if( proxy!=NULL ) {
// We got a proxy, build the URL to use it
int len;
char *new_url;
URL_t *tmp_url;
URL_t *proxy_url = url_new( proxy );
if( proxy_url==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_WARN,"Invalid proxy setting...Trying without proxy.\n");
return url_out;
}
#ifdef HAVE_AF_INET6
if (network_ipv4_only_proxy && (gethostbyname(url->hostname)==NULL)) {
mp_msg(MSGT_NETWORK,MSGL_WARN,
"Could not find resolve remote hostname for AF_INET. Trying without proxy.\n");
return url_out;
}
#endif
mp_msg(MSGT_NETWORK,MSGL_V,"Using HTTP proxy: %s\n", proxy_url->url );
len = strlen( proxy_url->hostname ) + strlen( url->url ) + 20; // 20 = http_proxy:// + port
new_url = malloc( len+1 );
if( new_url==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed\n");
return url_out;
}
sprintf(new_url, "http_proxy://%s:%d/%s", proxy_url->hostname, proxy_url->port, url->url );
tmp_url = url_new( new_url );
if( tmp_url==NULL ) {
return url_out;
}
url_free( url_out );
url_out = tmp_url;
free( new_url );
url_free( proxy_url );
}
}
return url_out;
}
int
http_send_request( URL_t *url, off_t pos ) {
HTTP_header_t *http_hdr;
URL_t *server_url;
char str[256];
int fd;
int ret;
int proxy = 0; // Boolean
http_hdr = http_new_header();
if( !strcasecmp(url->protocol, "http_proxy") ) {
proxy = 1;
server_url = url_new( (url->file)+1 );
http_set_uri( http_hdr, server_url->url );
} else {
server_url = url;
http_set_uri( http_hdr, server_url->file );
}
snprintf(str, 256, "Host: %s", server_url->hostname );
http_set_field( http_hdr, str);
if (network_useragent)
{
snprintf(str, 256, "User-Agent: %s", network_useragent);
http_set_field(http_hdr, str);
}
else
http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION);
if(pos>0) {
// Extend http_send_request with possibility to do partial content retrieval
snprintf(str, 256, "Range: bytes=%d-", pos);
http_set_field(http_hdr, str);
}
if (network_cookies_enabled) cookies_set( http_hdr, server_url->hostname, server_url->url );
http_set_field( http_hdr, "Connection: closed");
http_add_basic_authentication( http_hdr, url->username, url->password );
if( http_build_request( http_hdr )==NULL ) {
return -1;
}
if( proxy ) {
if( url->port==0 ) url->port = 8080; // Default port for the proxy server
fd = connect2Server( url->hostname, url->port,1 );
url_free( server_url );
} else {
if( server_url->port==0 ) server_url->port = 80; // Default port for the web server
fd = connect2Server( server_url->hostname, server_url->port,1 );
}
if( fd<0 ) {
return -1;
}
mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
if( ret!=(int)http_hdr->buffer_size ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error while sending HTTP request: didn't sent all the request\n");
return -1;
}
http_free( http_hdr );
return fd;
}
HTTP_header_t *
http_read_response( int fd ) {
HTTP_header_t *http_hdr;
char response[BUFFER_SIZE];
int i;
http_hdr = http_new_header();
if( http_hdr==NULL ) {
return NULL;
}
do {
i = recv( fd, response, BUFFER_SIZE, 0 );
if( i<0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Read failed\n");
http_free( http_hdr );
return NULL;
}
if( i==0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"http_read_response read 0 -ie- EOF\n");
http_free( http_hdr );
return NULL;
}
http_response_append( http_hdr, response, i );
} while( !http_is_header_entire( http_hdr ) );
http_response_parse( http_hdr );
return http_hdr;
}
int
http_authenticate(HTTP_header_t *http_hdr, URL_t *url, int *auth_retry) {
char *aut;
if( *auth_retry==1 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Authentication failed\n");
mp_msg(MSGT_NETWORK,MSGL_ERR,"Please use the option -user and -passwd to provide your username/password for a list of URLs,\n");
mp_msg(MSGT_NETWORK,MSGL_ERR,"or form an URL like: http://username:password@hostname/file\n");
return -1;
}
if( *auth_retry>0 ) {
if( url->username ) {
free( url->username );
url->username = NULL;
}
if( url->password ) {
free( url->password );
url->password = NULL;
}
}
aut = http_get_field(http_hdr, "WWW-Authenticate");
if( aut!=NULL ) {
char *aut_space;
aut_space = strstr(aut, "realm=");
if( aut_space!=NULL ) aut_space += 6;
mp_msg(MSGT_NETWORK,MSGL_INFO,"Authentication required for %s\n", aut_space);
} else {
mp_msg(MSGT_NETWORK,MSGL_INFO,"Authentication required\n");
}
if( network_username ) {
url->username = strdup(network_username);
if( url->username==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed\n");
return -1;
}
} else {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Unable to read the username\n");
mp_msg(MSGT_NETWORK,MSGL_ERR,"Please use the option -user and -passwd to provide your username/password for a list of URLs,\n");
mp_msg(MSGT_NETWORK,MSGL_ERR,"or form an URL like: http://username:password@hostname/file\n");
return -1;
}
if( network_password ) {
url->password = strdup(network_password);
if( url->password==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed\n");
return -1;
}
} else {
mp_msg(MSGT_NETWORK,MSGL_INFO,"No password provided, trying blank password\n");
}
(*auth_retry)++;
return 0;
}
int
http_seek( stream_t *stream, off_t pos ) {
HTTP_header_t *http_hdr = NULL;
int fd;
if( stream==NULL ) return 0;
if( stream->fd>0 ) closesocket(stream->fd); // need to reconnect to seek in http-stream
fd = http_send_request( stream->streaming_ctrl->url, pos );
if( fd<0 ) return 0;
http_hdr = http_read_response( fd );
if( http_hdr==NULL ) return 0;
switch( http_hdr->status_code ) {
case 200:
case 206: // OK
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
if( http_hdr->body_size>0 ) {
if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
http_free( http_hdr );
return -1;
}
}
break;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,"Server return %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
close( fd );
fd = -1;
}
stream->fd = fd;
if( http_hdr ) {
http_free( http_hdr );
stream->streaming_ctrl->data = NULL;
}
stream->pos=pos;
return 1;
}
// By using the protocol, the extension of the file or the content-type
// we might be able to guess the streaming type.
int
autodetectProtocol(streaming_ctrl_t *streaming_ctrl, int *fd_out, int *file_format) {
HTTP_header_t *http_hdr;
unsigned int i;
int fd=-1;
int redirect;
int auth_retry=0;
int seekable=0;
char *extension;
char *content_type;
char *next_url;
URL_t *url = streaming_ctrl->url;
*file_format = DEMUXER_TYPE_UNKNOWN;
do {
*fd_out = -1;
next_url = NULL;
extension = NULL;
content_type = NULL;
redirect = 0;
if( url==NULL ) {
return -1;
}
// Checking for PNM://
if( !strcasecmp(url->protocol, "pnm") ) {
*file_format = DEMUXER_TYPE_REAL;
return 0;
}
/*
* An autodetection based on the extension is not a good idea.
*
// Get the extension of the file if present
if( url->file!=NULL ) {
for( i=strlen(url->file) ; i>0 ; i-- ) {
if( url->file[i]=='.' ) {
extension=(url->file)+i+1;
break;
}
}
}
extension=NULL;
if( extension!=NULL ) {
mp_msg(MSGT_NETWORK,MSGL_DBG2,"Extension: %s\n", extension );
// Look for the extension in the extensions table
for( i=0 ; i<(sizeof(extensions_table)/sizeof(extensions_table[0])) ; i++ ) {
if( !strcasecmp(extension, extensions_table[i].extension) ) {
*file_format = extensions_table[i].demuxer_type;
return 0;
}
}
}
*/
// Checking for RTSP
if( !strcasecmp(url->protocol, "rtsp") ) {
// Checking for Real rtsp://
// Extension based detection, should be replaced with something based on server answer
if( url->file!= NULL ) {
char *p;
for( p = url->file; p[0]; p++ ) {
if( p[0] == '.' && tolower(p[1]) == 'r' && (tolower(p[2]) == 'm' || tolower(p[2]) == 'a') && (!p[3] || p[3] == '?' || p[3] == '&') ) {
*file_format = DEMUXER_TYPE_REAL;
return 0;
}
}
}
mp_msg(MSGT_NETWORK,MSGL_INFO,"Not a Realmedia rtsp url. Trying standard rtsp protocol.\n");
#ifdef STREAMING_LIVE_DOT_COM
*file_format = DEMUXER_TYPE_RTP;
return 0;
#else
mp_msg(MSGT_NETWORK,MSGL_ERR,"RTSP support requires the \"LIVE.COM Streaming Media\" libraries!\n");
return -1;
#endif
// Checking for SIP
} else if( !strcasecmp(url->protocol, "sip") ) {
#ifdef STREAMING_LIVE_DOT_COM
*file_format = DEMUXER_TYPE_RTP;
return 0;
#else
mp_msg(MSGT_NETWORK,MSGL_ERR,"SIP support requires the \"LIVE.COM Streaming Media\" libraries!\n");
return -1;
#endif
}
#ifndef STREAMING_LIVE_DOT_COM
// Old, hacked RTP support, which works for MPEG Program Streams
// RTP streams only:
// Checking for RTP
if( !strcasecmp(url->protocol, "rtp") ) {
if( url->port==0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"You must enter a port number for RTP streams!\n");
return -1;
}
return 0;
}
#endif
// Checking for ASF
if( !strncasecmp(url->protocol, "mms", 3) ) {
*file_format = DEMUXER_TYPE_ASF;
return 0;
}
// HTTP based protocol
if( !strcasecmp(url->protocol, "http") || !strcasecmp(url->protocol, "http_proxy") ) {
fd = http_send_request( url, 0 );
if( fd<0 ) {
return -1;
}
http_hdr = http_read_response( fd );
if( http_hdr==NULL ) {
closesocket( fd );
http_free( http_hdr );
return -1;
}
*fd_out=fd;
if( verbose>0 ) {
http_debug_hdr( http_hdr );
}
streaming_ctrl->data = (void*)http_hdr;
// Check if we can make partial content requests and thus seek in http-streams
seekable=(http_hdr!=NULL && http_hdr->status_code==200 && strncmp(http_get_field(http_hdr,"Accept-Ranges"),"bytes",5)==0);
// Check if the response is an ICY status_code reason_phrase
if( !strcasecmp(http_hdr->protocol, "ICY") ) {
switch( http_hdr->status_code ) {
case 200: { // OK
char *field_data = NULL;
// note: I skip icy-notice1 and 2, as they contain html <BR>
// and are IMHO useless info ::atmos
if( (field_data = http_get_field(http_hdr, "icy-name")) != NULL )
mp_msg(MSGT_NETWORK,MSGL_INFO,"Name : %s\n", field_data); field_data = NULL;
if( (field_data = http_get_field(http_hdr, "icy-genre")) != NULL )
mp_msg(MSGT_NETWORK,MSGL_INFO,"Genre : %s\n", field_data); field_data = NULL;
if( (field_data = http_get_field(http_hdr, "icy-url")) != NULL )
mp_msg(MSGT_NETWORK,MSGL_INFO,"Website: %s\n", field_data); field_data = NULL;
// XXX: does this really mean public server? ::atmos
if( (field_data = http_get_field(http_hdr, "icy-pub")) != NULL )
mp_msg(MSGT_NETWORK,MSGL_INFO,"Public : %s\n", atoi(field_data)?"yes":"no"); field_data = NULL;
if( (field_data = http_get_field(http_hdr, "icy-br")) != NULL )
mp_msg(MSGT_NETWORK,MSGL_INFO,"Bitrate: %skbit/s\n", field_data); field_data = NULL;
// Ok, we have detected an mp3 stream
*file_format = DEMUXER_TYPE_AUDIO;
return 0;
}
case 400: // Server Full
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error: ICY-Server is full, skipping!\n");
return -1;
case 401: // Service Unavailable
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error: ICY-Server return service unavailable, skipping!\n");
return -1;
case 403: // Service Forbidden
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error: ICY-Server return 'Service Forbidden'\n");
return -1;
case 404: // Resource Not Found
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error: ICY-Server couldn't find requested stream, skipping!\n");
return -1;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,"Error: unhandled ICY-Errorcode, contact MPlayer developers!\n");
return -1;
}
}
// Assume standard http if not ICY
switch( http_hdr->status_code ) {
case 200: // OK
// Look if we can use the Content-Type
content_type = http_get_field( http_hdr, "Content-Type" );
if( content_type!=NULL ) {
char *content_length = NULL;
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", content_type );
if( (content_length = http_get_field(http_hdr, "Content-Length")) != NULL)
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length"));
// Check in the mime type table for a demuxer type
for( i=0 ; i<(sizeof(mime_type_table)/sizeof(mime_type_table[0])) ; i++ ) {
if( !strcasecmp( content_type, mime_type_table[i].mime_type ) ) {
*file_format = mime_type_table[i].demuxer_type;
return seekable; // for streaming_start
}
}
}
// Not found in the mime type table, don't fail,
// we should try raw HTTP
return seekable; // for streaming_start
// Redirect
case 301: // Permanently
case 302: // Temporarily
// TODO: RFC 2616, recommand to detect infinite redirection loops
next_url = http_get_field( http_hdr, "Location" );
if( next_url!=NULL ) {
closesocket( fd );
url_free( url );
streaming_ctrl->url = url = url_new( next_url );
http_free( http_hdr );
redirect = 1;
}
break;
case 401: // Authentication required
if( http_authenticate(http_hdr, url, &auth_retry)<0 ) return -1;
redirect = 1;
break;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,"Server returned %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
return -1;
}
} else {
mp_msg(MSGT_NETWORK,MSGL_V,"Unknown protocol '%s'\n", url->protocol );
return -1;
}
} while( redirect );
return -1;
}
int
streaming_bufferize( streaming_ctrl_t *streaming_ctrl, char *buffer, int size) {
//printf("streaming_bufferize\n");
streaming_ctrl->buffer = (char*)malloc(size);
if( streaming_ctrl->buffer==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_FATAL,"Memory allocation failed\n");
return -1;
}
memcpy( streaming_ctrl->buffer, buffer, size );
streaming_ctrl->buffer_size = size;
return size;
}
int
nop_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
int len=0;
//printf("nop_streaming_read\n");
if( stream_ctrl->buffer_size!=0 ) {
int buffer_len = stream_ctrl->buffer_size-stream_ctrl->buffer_pos;
//printf("%d bytes in buffer\n", stream_ctrl->buffer_size);
len = (size<buffer_len)?size:buffer_len;
memcpy( buffer, (stream_ctrl->buffer)+(stream_ctrl->buffer_pos), len );
stream_ctrl->buffer_pos += len;
//printf("buffer_pos = %d\n", stream_ctrl->buffer_pos );
if( stream_ctrl->buffer_pos>=stream_ctrl->buffer_size ) {
free( stream_ctrl->buffer );
stream_ctrl->buffer = NULL;
stream_ctrl->buffer_size = 0;
stream_ctrl->buffer_pos = 0;
//printf("buffer cleaned\n");
}
//printf("read %d bytes from buffer\n", len );
}
if( len<size ) {
int ret;
ret = recv( fd, buffer+len, size-len, 0 );
if( ret<0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_read error : %s\n",strerror(errno));
}
len += ret;
//printf("read %d bytes from network\n", len );
}
return len;
}
int
nop_streaming_seek( int fd, off_t pos, streaming_ctrl_t *stream_ctrl ) {
return -1;
// To shut up gcc warning
fd++;
pos++;
stream_ctrl=NULL;
}
int
nop_streaming_start( stream_t *stream ) {
HTTP_header_t *http_hdr = NULL;
int fd;
if( stream==NULL ) return -1;
fd = stream->fd;
if( fd<0 ) {
fd = http_send_request( stream->streaming_ctrl->url, 0 );
if( fd<0 ) return -1;
http_hdr = http_read_response( fd );
if( http_hdr==NULL ) return -1;
switch( http_hdr->status_code ) {
case 200: // OK
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Type: [%s]\n", http_get_field(http_hdr, "Content-Type") );
mp_msg(MSGT_NETWORK,MSGL_V,"Content-Length: [%s]\n", http_get_field(http_hdr, "Content-Length") );
if( http_hdr->body_size>0 ) {
if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
http_free( http_hdr );
return -1;
}
}
break;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,"Server return %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
closesocket( fd );
fd = -1;
}
stream->fd = fd;
} else {
http_hdr = (HTTP_header_t*)stream->streaming_ctrl->data;
if( http_hdr->body_size>0 ) {
if( streaming_bufferize( stream->streaming_ctrl, http_hdr->body, http_hdr->body_size )<0 ) {
http_free( http_hdr );
stream->streaming_ctrl->data = NULL;
return -1;
}
}
}
if( http_hdr ) {
http_free( http_hdr );
stream->streaming_ctrl->data = NULL;
}
stream->streaming_ctrl->streaming_read = nop_streaming_read;
stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
stream->streaming_ctrl->prebuffer_size = 64*1024; // 64 KBytes
stream->streaming_ctrl->buffering = 1;
stream->streaming_ctrl->status = streaming_playing_e;
return 0;
}
int
pnm_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
return pnm_read(stream_ctrl->data, buffer, size);
}
int
pnm_streaming_start( stream_t *stream ) {
int fd;
pnm_t *pnm;
if( stream==NULL ) return -1;
fd = connect2Server( stream->streaming_ctrl->url->hostname,
stream->streaming_ctrl->url->port ? stream->streaming_ctrl->url->port : 7070,1 );
printf("PNM:// fd=%d\n",fd);
if(fd<0) return -1;
pnm = pnm_connect(fd,stream->streaming_ctrl->url->file);
if(!pnm) return -1;
stream->fd=fd;
stream->streaming_ctrl->data=pnm;
stream->streaming_ctrl->streaming_read = pnm_streaming_read;
// stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
stream->streaming_ctrl->prebuffer_size = 8*1024; // 8 KBytes
stream->streaming_ctrl->buffering = 1;
stream->streaming_ctrl->status = streaming_playing_e;
return 0;
}
int
realrtsp_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *stream_ctrl ) {
return rtsp_session_read(stream_ctrl->data, buffer, size);
}
int
realrtsp_streaming_start( stream_t *stream ) {
int fd;
rtsp_session_t *rtsp;
char *mrl;
int port;
int redirected, temp;
if( stream==NULL ) return -1;
temp = 5; // counter so we don't get caught in infinite redirections (you never know)
do {
redirected = 0;
fd = connect2Server( stream->streaming_ctrl->url->hostname,
port = (stream->streaming_ctrl->url->port ? stream->streaming_ctrl->url->port : 554),1 );
if(fd<0) return -1;
mrl = malloc(sizeof(char)*(strlen(stream->streaming_ctrl->url->hostname)+strlen(stream->streaming_ctrl->url->file)+16));
sprintf(mrl,"rtsp://%s:%i/%s",stream->streaming_ctrl->url->hostname,port,stream->streaming_ctrl->url->file);
rtsp = rtsp_session_start(fd,&mrl, stream->streaming_ctrl->url->file,
stream->streaming_ctrl->url->hostname, port, &redirected);
if ( redirected == 1 ) {
url_free(stream->streaming_ctrl->url);
stream->streaming_ctrl->url = url_new(mrl);
closesocket(fd);
}
free(mrl);
temp--;
} while( (redirected != 0) && (temp > 0) );
if(!rtsp) return -1;
stream->fd=fd;
stream->streaming_ctrl->data=rtsp;
stream->streaming_ctrl->streaming_read = realrtsp_streaming_read;
// stream->streaming_ctrl->streaming_seek = nop_streaming_seek;
stream->streaming_ctrl->prebuffer_size = 128*1024; // 8 KBytes
stream->streaming_ctrl->buffering = 1;
stream->streaming_ctrl->status = streaming_playing_e;
return 0;
}
#ifndef STREAMING_LIVE_DOT_COM
// Start listening on a UDP port. If multicast, join the group.
int
rtp_open_socket( URL_t *url ) {
int socket_server_fd, rxsockbufsz;
int err, err_len;
fd_set set;
struct sockaddr_in server_address;
struct ip_mreq mcast;
struct timeval tv;
mp_msg(MSGT_NETWORK,MSGL_V,"Listening for traffic on %s:%d ...\n", url->hostname, url->port );
socket_server_fd = socket(AF_INET, SOCK_DGRAM, 0);
// fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) | O_NONBLOCK );
if( socket_server_fd==-1 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create socket\n");
return -1;
}
if( isalpha(url->hostname[0]) ) {
struct hostent *hp =(struct hostent*)gethostbyname( url->hostname );
if( hp==NULL ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", url->hostname);
return -1;
}
memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length );
} else {
#ifndef HAVE_WINSOCK2
#ifdef USE_ATON
inet_aton(url->hostname, &server_address.sin_addr);
#else
inet_pton(AF_INET, url->hostname, &server_address.sin_addr);
#endif
#else
unsigned int addr = inet_addr(url->hostname);
memcpy( (void*)&server_address.sin_addr, (void*)&addr, sizeof(addr) );
#endif
}
server_address.sin_family=AF_INET;
server_address.sin_port=htons(url->port);
if( bind( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) {
#ifndef HAVE_WINSOCK2
if( errno!=EINPROGRESS ) {
#else
if( WSAGetLastError() != WSAEINPROGRESS ) {
#endif
mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server\n");
closesocket(socket_server_fd);
return -1;
}
}
// Increase the socket rx buffer size to maximum -- this is UDP
rxsockbufsz = 240 * 1024;
if( setsockopt( socket_server_fd, SOL_SOCKET, SO_RCVBUF, &rxsockbufsz, sizeof(rxsockbufsz))) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Couldn't set receive socket buffer size\n");
}
if((ntohl(server_address.sin_addr.s_addr) >> 28) == 0xe) {
mcast.imr_multiaddr.s_addr = server_address.sin_addr.s_addr;
//mcast.imr_interface.s_addr = inet_addr("10.1.1.2");
mcast.imr_interface.s_addr = 0;
if( setsockopt( socket_server_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mcast, sizeof(mcast))) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"IP_ADD_MEMBERSHIP failed (do you have multicasting enabled in your kernel?)\n");
return -1;
}
}
tv.tv_sec = 0;
tv.tv_usec = (1 * 1000000); // 1 second timeout
FD_ZERO( &set );
FD_SET( socket_server_fd, &set );
if( select(socket_server_fd+1, &set, NULL, NULL, &tv)>0 ) {
//if( select(socket_server_fd+1, &set, NULL, NULL, NULL)>0 ) {
err_len = sizeof( err );
getsockopt( socket_server_fd, SOL_SOCKET, SO_ERROR, &err, &err_len );
if( err ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"Timeout! No data from host %s\n", url->hostname );
mp_msg(MSGT_NETWORK,MSGL_DBG2,"Socket error: %d\n", err );
closesocket(socket_server_fd);
return -1;
}
}
return socket_server_fd;
}
int
rtp_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *streaming_ctrl ) {
return read_rtp_from_server( fd, buffer, size );
}
int
rtp_streaming_start( stream_t *stream ) {
streaming_ctrl_t *streaming_ctrl;
int fd;
if( stream==NULL ) return -1;
streaming_ctrl = stream->streaming_ctrl;
fd = stream->fd;
if( fd<0 ) {
fd = rtp_open_socket( (streaming_ctrl->url) );
if( fd<0 ) return -1;
stream->fd = fd;
}
streaming_ctrl->streaming_read = rtp_streaming_read;
streaming_ctrl->streaming_seek = nop_streaming_seek;
streaming_ctrl->prebuffer_size = 64*1024; // 64 KBytes
streaming_ctrl->buffering = 0;
streaming_ctrl->status = streaming_playing_e;
return 0;
}
#endif
int
streaming_start(stream_t *stream, int *demuxer_type, URL_t *url) {
int ret;
if( stream==NULL ) return -1;
stream->streaming_ctrl = streaming_ctrl_new();
if( stream->streaming_ctrl==NULL ) {
return -1;
}
stream->streaming_ctrl->url = check4proxies( url );
ret = autodetectProtocol( stream->streaming_ctrl, &stream->fd, demuxer_type );
if( ret<0 ) {
return -1;
}
if( ret==1 ) {
stream->flags |= STREAM_SEEK;
stream->seek = http_seek;
}
ret = -1;
// Get the bandwidth available
stream->streaming_ctrl->bandwidth = network_bandwidth;
#ifndef STREAMING_LIVE_DOT_COM
// For RTP streams, we usually don't know the stream type until we open it.
if( !strcasecmp( stream->streaming_ctrl->url->protocol, "rtp")) {
if(stream->fd >= 0) {
if(closesocket(stream->fd) < 0)
mp_msg(MSGT_NETWORK,MSGL_ERR,"streaming_start : Closing socket %d failed %s\n",stream->fd,strerror(errno));
}
stream->fd = -1;
ret = rtp_streaming_start( stream );
} else
#endif
if( !strcasecmp( stream->streaming_ctrl->url->protocol, "pnm")) {
stream->fd = -1;
ret = pnm_streaming_start( stream );
} else
if( (!strcasecmp( stream->streaming_ctrl->url->protocol, "rtsp")) &&
(*demuxer_type == DEMUXER_TYPE_REAL)) {
stream->fd = -1;
ret = realrtsp_streaming_start( stream );
} else
// For connection-oriented streams, we can usually determine the streaming type.
switch( *demuxer_type ) {
case DEMUXER_TYPE_ASF:
// Send the appropriate HTTP request
// Need to filter the network stream.
// ASF raw stream is encapsulated.
// It can also be a playlist (redirector)
// so we need to pass demuxer_type too
ret = asf_streaming_start( stream, demuxer_type );
if( ret<0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"asf_streaming_start failed\n");
}
break;
#ifdef STREAMING_LIVE_DOT_COM
case DEMUXER_TYPE_RTP:
// RTSP/RTP streaming is handled separately:
ret = rtsp_streaming_start( stream );
if( ret<0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"rtsp_streaming_start failed\n");
}
break;
#endif
case DEMUXER_TYPE_MPEG_ES:
case DEMUXER_TYPE_MPEG_PS:
case DEMUXER_TYPE_AVI:
case DEMUXER_TYPE_MOV:
case DEMUXER_TYPE_VIVO:
case DEMUXER_TYPE_FLI:
case DEMUXER_TYPE_REAL:
case DEMUXER_TYPE_Y4M:
case DEMUXER_TYPE_FILM:
case DEMUXER_TYPE_ROQ:
case DEMUXER_TYPE_AUDIO:
case DEMUXER_TYPE_OGG:
case DEMUXER_TYPE_PLAYLIST:
case DEMUXER_TYPE_UNKNOWN:
// Generic start, doesn't need to filter
// the network stream, it's a raw stream
ret = nop_streaming_start( stream );
if( ret<0 ) {
mp_msg(MSGT_NETWORK,MSGL_ERR,"nop_streaming_start failed\n");
}
break;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,"Unable to detect the streaming type\n");
ret = -1;
}
if( ret<0 ) {
streaming_ctrl_free( stream->streaming_ctrl );
stream->streaming_ctrl = NULL;
} else if( stream->streaming_ctrl->buffering ) {
if(stream_cache_size<0) {
// cache option not set, will use our computed value.
// buffer in KBytes, *5 because the prefill is 20% of the buffer.
stream_cache_size = (stream->streaming_ctrl->prebuffer_size/1024)*5;
if( stream_cache_size<64 ) stream_cache_size = 64; // 16KBytes min buffer
}
mp_msg(MSGT_NETWORK,MSGL_INFO,"Cache size set to %d KBytes\n", stream_cache_size);
}
return ret;
}
int
streaming_stop( stream_t *stream ) {
stream->streaming_ctrl->status = streaming_stopped_e;
return 0;
}
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