split most of FileDecoder off to new SeekableStreamDecoder

src/libFLAC/include/protected/Makefile.am

@@ -18,5 +18,6 @@
 
 noinst_HEADERS = \
 	file_decoder.h \
+	seekable_stream_decoder.h \
 	stream_decoder.h \
 	stream_encoder.h

src/libFLAC/include/protected/all.h

@@ -21,6 +21,7 @@
 #define FLAC__PROTECTED__ALL_H
 
 #include "file_decoder.h"
+#include "seekable_stream_decoder.h"
 #include "stream_decoder.h"
 #include "stream_encoder.h"
 

src/libFLAC/include/protected/file_decoder.h

@@ -23,7 +23,6 @@
 #include "FLAC/file_decoder.h"
 
 typedef struct FLAC__FileDecoderProtected {
-	FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the Encoding metadata block */
 	FLAC__FileDecoderState state;
 } FLAC__FileDecoderProtected;
 

src/libFLAC/include/protected/seekable_stream_decoder.h

@@ -0,0 +1,30 @@
+/* libFLAC - Free Lossless Audio Codec library
+ * Copyright (C) 2000,2001  Josh Coalson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA  02111-1307, USA.
+ */
+
+#ifndef FLAC__PROTECTED__SEEKABLE_STREAM_DECODER_H
+#define FLAC__PROTECTED__SEEKABLE_STREAM_DECODER_H
+
+#include "FLAC/seekable_stream_decoder.h"
+
+typedef struct FLAC__SeekableStreamDecoderProtected {
+	FLAC__bool md5_checking; /* if true, generate MD5 signature of decoded data and compare against signature in the Encoding metadata block */
+	FLAC__SeekableStreamDecoderState state;
+} FLAC__SeekableStreamDecoderProtected;
+
+#endif