added FLAC as an export format

include/audio_file_flac.h

@@ -0,0 +1,89 @@
+/*
+ * audio_file_flac.h - Audio-device which encodes a flac stream and writes it
+ *					 into a flac file. This is used for song-export.
+ *
+ * Copyright (c) 2009 Andrew Kelley <superjoe30@gmail.com>
+ * 
+ * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#ifndef _AUDIO_FILE_FLAC_H_
+#define _AUDIO_FILE_FLAC_H_
+
+#include <QFile>
+#include "audio_file_device.h"
+
+#include "FLAC++/metadata.h"
+#include "FLAC++/encoder.h"
+
+class AudioFileFlac : public audioFileDevice
+{
+public:
+	AudioFileFlac( const sample_rate_t _sample_rate,
+			const ch_cnt_t _channels,
+			bool & _success_ful,
+			const QString & _file,
+			const bool _use_vbr,
+			const bitrate_t _nom_bitrate,
+			const bitrate_t _min_bitrate,
+			const bitrate_t _max_bitrate,
+			const int _depth,
+			mixer * _mixer );
+	virtual ~AudioFileFlac();
+
+	static audioFileDevice * getInst( const sample_rate_t _sample_rate,
+						const ch_cnt_t _channels,
+						bool & _success_ful,
+						const QString & _file,
+						const bool _use_vbr,
+						const bitrate_t _nom_bitrate,
+						const bitrate_t _min_bitrate,
+						const bitrate_t _max_bitrate,
+						const int _depth,
+						mixer * _mixer )
+	{
+		return( new AudioFileFlac( _sample_rate, _channels,
+						_success_ful, _file, _use_vbr,
+						_nom_bitrate, _min_bitrate,
+							_max_bitrate, _depth,
+							_mixer ) );
+	}
+
+
+private:
+	short int rescale(float sample); // convert float flame to short int frame
+
+	// overloaded functions
+	virtual void writeBuffer( const surroundSampleFrame * _ab,
+						const fpp_t _frames,
+						float _master_gain );
+
+	bool startEncoding( void );
+	void finishEncoding( void );
+
+
+	FLAC::Encoder::File m_encoder;
+
+} ;
+
+
+#endif //_AUDIO_FILE_FLAC_H_
+
+/* vim: set tw=0 noexpandtab: */

include/project_renderer.h

@@ -39,6 +39,7 @@ public:
 		WaveFile,
 		OggFile,
 		Mp3File,
+		FlacFile,
 		NumFileFormats
 	} ;