Index: stream/http.c
===================================================================
--- stream/http.c	(revision 27288)
+++ stream/http.c	(working copy)
@@ -733,6 +733,38 @@
 		mp_msg(MSGT_NETWORK,MSGL_INFO,"Bitrate: %skbit/s\n", field_data);
 }
 
+static int http_test_seek(stream_t *stream, off_t pos) {
+	HTTP_header_t *http_hdr = NULL;
+	int fd;
+	int res;
+
+	if (stream == NULL) return 0;
+	fd = http_send_request(stream->streaming_ctrl->url, pos);
+	if (fd < 0) return 0;
+	http_hdr = http_read_response(fd);
+	if (http_hdr == NULL) {
+		close(fd);
+		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") );
+			res = 1;
+			break;
+		default:
+			mp_msg(MSGT_NETWORK,MSGL_ERR,MSGTR_MPDEMUX_NW_ErrServerReturned, http_hdr->status_code, http_hdr->reason_phrase );
+			res = 0;
+			break;
+	}
+
+	http_free(http_hdr);
+	close(fd);
+	return res;
+}
+
 //! If this function succeeds you must closesocket stream->fd
 static int http_streaming_start(stream_t *stream, int* file_format) {
 	HTTP_header_t *http_hdr = NULL;
@@ -821,6 +853,8 @@
 					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"));
 						stream->end_pos = atoi(content_length);
+						mp_msg(MSGT_NETWORK,MSGL_V,"Testing if the stream is seekable\n");
+						seekable = http_test_seek(stream, stream->end_pos-1);
 					}
 					// Check in the mime type table for a demuxer type
 					i = 0;