video stream
// otherwise it should be mp3. if there are more types consider
adding mime type
// handling like later
if ( (field_data = http_get_field(http_hdr, \!=
NULL && (!strcmp(field_data, \
else
*file_format = DEMUXER_TYPE_NSV;
if
(
(field_data
=
http_get_field(http_hdr,
\\
}
case 400: // Server Full
mp_msg(MSGT_NETWORK,MSGL_ERR,\ICY-Server
*file_format = DEMUXER_TYPE_AAC;
else
*file_format = DEMUXER_TYPE_AUDIO;
res = STREAM_ERROR; goto out;
is full, skipping!\\n\
goto err_out;
case 401: // Service Unavailable
mp_msg(MSGT_NETWORK,MSGL_ERR,\ICY-Server
return service unavailable, skipping!\\n\
goto err_out;
case 403: // Service Forbidden
mp_msg(MSGT_NETWORK,MSGL_ERR,\ICY-Server
return 'Service Forbidden'\\n\
goto err_out;
case 404: // Resource Not Found
mp_msg(MSGT_NETWORK,MSGL_ERR,\ICY-Server
couldn't find requested stream, skipping!\\n\
goto err_out;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,%unhandled
ICY-Errorcode, contact MPlayer developers!\\n\
// Assume standard http if not ICY switch( http_hdr->status_code ) {
case 200: // OK
content_length = http_get_field(http_hdr, \if (content_length) {
mp_msg(MSGT_NETWORK,MSGL_V,\
}
}
goto err_out;
[%s]\\n\
}
// Look if we can use the Content-Type
content_type = http_get_field( http_hdr, \if( content_type!=NULL ) {
mp_msg(MSGT_NETWORK,MSGL_V,\stream->end_pos = atoll(content_length);
[%s]\\n\
// Check in the mime type table for a demuxer type i = 0;
while(mime_type_table[i].mime_type != NULL) {
if(
!strcasecmp(
content_type,
mime_type_table[i].mime_type ) ) {
*file_format = mime_type_table[i].demuxer_type; res = seekable;
}
}
}
goto out;
i++;
// Not found in the mime type table, don't fail, // we should try raw HTTP res = seekable; goto out;
// Redirect
case 301: // Permanently case 302: // Temporarily case 303: // See Other
// TODO: RFC 2616, recommand to detect infinite redirection loops next_url = http_get_field( http_hdr, \if( next_url!=NULL ) {
int
is_ultravox
=
strcasecmp(stream->streaming_ctrl->url->protocol, \
stream->streaming_ctrl->url = url_redirect( &url, next_url ); if (!strcasecmp(url->protocol, \ }
if (strcasecmp(url->protocol, \
mp_msg(MSGT_NETWORK,MSGL_ERR,\res = STREAM_REDIRECTED; goto err_out;
http %d redirect to %s protocol\\n\
}
if (is_ultravox) {
free(url->protocol); goto err_out;
}
}
url->protocol = strdup(\
redirect = 1;
break;
case 401: // Authentication required
if( http_authenticate(http_hdr, url, &auth_retry)<0 )
goto err_out;
redirect = 1; break;
default:
mp_msg(MSGT_NETWORK,MSGL_ERR,\
returned %d: %s\\n\ err_out:
if (fd > 0) closesocket( fd ); fd = -1;
http_free( http_hdr ); http_hdr = NULL;
}
goto err_out;
} while( redirect );
out: }
HTTP交互过程：
stream->streaming_ctrl->data = (void*)http_hdr; stream->fd = fd; return res;
C ? S GET请求 GET
http://pdl.warnerbros.com/wbol/us/whv/med/matrix/collection/ultimate_matrix_collection_sizzle_tlr_100.rm HTTP/1.0 Host: pdl.warnerbros.com
User-Agent: MPlayer/SVN-r31525-4.4.3 Icy-MetaData: 1 Connection: close S -> C 响应过程 HTTP/1.1 302 Found
Date: Thu, 02 Sep 2010 10:17:56 GMT Server: Apache Location:
http://wbads-89.vo.llnwd.net/e1/wbol/us/whv/med/matrix/collection/ultimate_matrix_collection_sizzle_tlr_100.rm Content-Length: 0 Connection: close
Content-Type: text/plain
根据响应消息报头 Location的域值
http://wbads-89.vo.llnwd.net/e1/wbol/us/whv/med/matrix/collection/ultimate_matrix_collection_sizzle_tlr_100.rm 重定位
重定位 C?S GET请求 GET
http://wbads-89.vo.llnwd.net/e1/wbol/us/whv/med/matrix/collection/ultimate_matrix_collection_sizzle_tlr_100.rm HTTP/1.0 Host: wbads-89.vo.llnwd.net
User-Agent: MPlayer/SVN-r31525-4.4.3 Icy-MetaData: 1 Connection: close
S-> C响应
HTTP/1.0 200 OK Server: Apache
ETag: \Accept-Ranges: bytes Content-Length: 6798223 Cache-Control: max-age=300
Content-Type: application/vnd.rn-realmedia Date: Thu, 02 Sep 2010 10:18:01 GMT
Last-Modified: Sat, 02 Jul 2005 03:01:55 GMT Expires: Thu, 02 Sep 2010 10:23:01 GMT