mirror of https://github.com/mpv-player/mpv
227 lines
5.2 KiB
C
227 lines
5.2 KiB
C
/*
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* Network layer for MPlayer
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* by Bertrand BAUDET <bertrand_baudet@yahoo.com>
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* (C) 2001, MPlayer team.
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*/
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#include <unistd.h>
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#include <netinet/in.h>
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#include <netdb.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 <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "network.h"
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#include "http.h"
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#include "url.h"
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#include "asf.h"
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// Connect to a server using a TCP connection
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int
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connect2Server(char *host, int port) {
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int socket_server_fd;
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struct sockaddr_in server_address;
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printf("Connecting to server %s:%d ...\n", host, port );
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socket_server_fd = socket(AF_INET, SOCK_STREAM, 0);
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if( socket_server_fd==-1 ) {
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perror("Failed to create socket");
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return -1;
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}
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if( isalpha(host[0]) ) {
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struct hostent *hp =(struct hostent*)gethostbyname( host );
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if( hp==NULL ) {
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printf("Unknown host: %s\n", host);
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return -1;
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}
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memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length );
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} else {
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inet_pton(AF_INET, host, &server_address.sin_addr);
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}
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server_address.sin_family=AF_INET;
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server_address.sin_port=htons(port);
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if( connect( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) {
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perror("Failed to connect to server");
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close(socket_server_fd);
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return -1;
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}
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return socket_server_fd;
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}
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// By using the protocol, the extension of the file or the content-type
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// we might be able to guess the streaming type.
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int
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autodetectProtocol(URL_t *url, int *fd_out) {
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HTTP_header_t *http_hdr;
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int fd=-1;
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int i;
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char *extension;
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char *content_type;
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char *next_url;
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char response[1024];
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redo_request:
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*fd_out=-1;
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next_url = NULL;
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extension = NULL;
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content_type = NULL;
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if( url==NULL ) return STREAMING_TYPE_UNKNOWN;
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// Get the extension of the file if present
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if( url->file!=NULL ) {
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for( i=strlen(url->file) ; i>0 ; i-- ) {
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if( url->file[i]=='.' ) {
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extension=(url->file)+i+1;
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break;
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}
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}
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}
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if( extension!=NULL ) {
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printf("Extension: %s\n", extension );
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if( !strcasecmp(extension, "asf") ||
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!strcasecmp(extension, "wmv") ||
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!strcasecmp(extension, "asx") ) {
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if( url->port==0 ) url->port = 80;
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return STREAMING_TYPE_ASF;
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}
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}
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// Checking for RTSP
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if( !strcasecmp(url->protocol, "rtsp") ) {
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printf("RTSP protocol not yet implemented!\n");
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return STREAMING_TYPE_UNKNOWN;
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}
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// Checking for ASF
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if( !strcasecmp(url->protocol, "mms") ) {
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if( url->port==0 ) url->port = 80;
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return STREAMING_TYPE_ASF;
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}
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// HTTP based protocol
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if( !strcasecmp(url->protocol, "http") ) {
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if( url->port==0 ) url->port = 80;
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http_hdr = http_new_header();
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http_set_uri( http_hdr, url->file );
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http_set_field( http_hdr, "User-Agent: MPlayer");
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http_set_field( http_hdr, "Connection: closed");
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if( http_build_request( http_hdr )==NULL ) {
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return STREAMING_TYPE_UNKNOWN;
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}
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fd = connect2Server( url->hostname, url->port );
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if( fd<0 ) {
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*fd_out=-1;
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return STREAMING_TYPE_UNKNOWN;
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}
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write( fd, http_hdr->buffer, http_hdr->buffer_size );
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// http_free( http_hdr );
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http_hdr = http_new_header();
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if( http_hdr==NULL ) {
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close( fd );
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*fd_out=-1;
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return STREAMING_TYPE_UNKNOWN;
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}
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do {
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i = read( fd, response, 1024 );
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http_response_append( http_hdr, response, i );
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} while( !http_is_header_entired( http_hdr ) );
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http_response_parse( http_hdr );
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*fd_out=fd;
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//http_debug_hdr( http_hdr );
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// Check if the response is an ICY status_code reason_phrase
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if( !strcasecmp(http_hdr->protocol, "ICY") ) {
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// Ok, we have detected an mp3 streaming
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return STREAMING_TYPE_MP3;
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}
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switch( http_hdr->status_code ) {
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case 200: // OK
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// Look if we can use the Content-Type
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content_type = http_get_field( http_hdr, "Content-Type" );
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if( content_type!=NULL ) {
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printf("Content-Type: %s\n", content_type );
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// Check for ASF
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if( asf_http_streaming_type(content_type, NULL)!=ASF_Unknown_e ) {
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return STREAMING_TYPE_ASF;
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}
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// Check for MP3 streaming
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// Some MP3 streaming server answer with audio/mpeg
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if( !strcasecmp(content_type, "audio/mpeg") ) {
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return STREAMING_TYPE_MP3;
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}
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}
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break;
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// Redirect
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case 301: // Permanently
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case 302: // Temporarily
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// RFC 2616, recommand to detect infinite redirection loops
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next_url = http_get_field( http_hdr, "Location" );
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if( next_url!=NULL ) {
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close( fd );
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url_free( url );
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url_new( next_url );
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goto redo_request;
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}
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//break;
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default:
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printf("Server returned %d: %s\n", http_hdr->status_code, http_hdr->reason_phrase );
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close( fd );
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*fd_out=-1;
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return STREAMING_TYPE_UNKNOWN;
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}
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}
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return STREAMING_TYPE_UNKNOWN;
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}
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void
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network_streaming() {
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int ret;
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/*
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do {
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ret = select( );
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} while( );
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*/
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}
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int
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streaming_start(URL_t **url, int fd, int streaming_type) {
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switch( streaming_type ) {
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case STREAMING_TYPE_ASF:
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// Send a the appropriate HTTP request
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if( fd>0 ) close( fd );
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fd = asf_http_streaming_start( url );
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break;
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case STREAMING_TYPE_MP3:
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// Nothing else to do the server is already feeding the pipe.
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break;
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case STREAMING_TYPE_UNKNOWN:
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default:
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printf("Unable to detect the streaming type\n");
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close( fd );
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return -1;
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}
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return fd;
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}
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int
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streaming_stop( ) {
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}
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