/* * Network layer for MPlayer * by Bertrand BAUDET * (C) 2001, MPlayer team. */ //#define DUMP2FILE #include #include #include #include #include #include #include "config.h" #ifndef HAVE_WINSOCK2 #define closesocket close #else #include #include #endif #include "stream.h" #include "demuxer.h" #include "../m_config.h" #include "network.h" #include "http.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 */ char *network_username=NULL; char *network_password=NULL; int network_bandwidth=0; /* 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 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 { 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 ) { 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 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 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) { #ifdef HAVE_AF_INET6 int r; int s = -2; r = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET:AF_INET6); if (r > -1) return r; s = connect2Server_with_af(host, port, network_prefer_ipv4 ? AF_INET6:AF_INET); if (s == -2) return r; return s; #else return connect2Server_with_af(host, port, AF_INET); #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 ) { HTTP_header_t *http_hdr; URL_t *server_url; char str[80]; 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, 80, "Host: %s", server_url->hostname ); http_set_field( http_hdr, str); http_set_field( http_hdr, "User-Agent: MPlayer/"VERSION); 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 ); 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 ); } 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; } // 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, j; int fd=-1; int redirect; int auth_retry=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 extension = NULL; if( url->file!=NULL ) { j = strlen(url->file); for( i=j; i>0 ; i-- ) { if( url->file[i]=='?' ) j = i; if( url->file[i]=='.' ) { extension = calloc(j-i, 1); for ( i++; i < j; i++) extension[strlen(extension)]=url->file[i]; extension[strlen(extension)]=0; break; } } } if (extension != NULL && (!strcasecmp(extension, "rm") || !strcasecmp(extension, "ra"))) { *file_format = DEMUXER_TYPE_REAL; free(extension); return 0; } if (extension != NULL) free(extension); 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 ); 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 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
// 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 0; } } } // Not found in the mime type table, don't fail, // we should try raw HTTP return 0; // 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_ERR,"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 = (sizebuffer)+(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( lenfd; if( fd<0 ) { fd = http_send_request( stream->streaming_ctrl->url ); 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 ); 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) ); 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; } 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; }