added basic support for recording sound into sample tracks

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1508 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/audio_device.h

@@ -64,6 +64,11 @@ public:
 	virtual void renamePort( audioPort * _port );
 
 
+	inline bool supportsCapture( void ) const
+	{
+		return( m_supportsCapture );
+	}
+
 	inline sample_rate_t sampleRate( void ) const
 	{
 		return( m_sampleRate );
@@ -156,6 +161,8 @@ protected:
 
 	bool hqAudio( void ) const;
 
+protected:
+	bool m_supportsCapture;
 
 private:
 	sample_rate_t m_sampleRate;

include/mixer.h

@@ -288,6 +288,7 @@ public:
 
 	sample_rate_t baseSampleRate( void ) const;
 	sample_rate_t outputSampleRate( void ) const;
+	sample_rate_t inputSampleRate( void ) const;
 	sample_rate_t processingSampleRate( void ) const;
 
 
@@ -347,6 +348,16 @@ public:
 		m_playHandlesToRemoveMutex.unlock();
 	}
 
+	void lockInputFrames( void )
+	{
+		m_inputFramesMutex.lock();
+	}
+
+	void unlockInputFrames( void )
+	{
+		m_inputFramesMutex.unlock();
+	}
+
 	// audio-buffer-mgm
 	void bufferToPort( const sampleFrame * _buf,
 					const fpp_t _frames,
@@ -374,6 +385,18 @@ public:
 		return( m_fifoWriter != NULL );
 	}
 
+	void pushInputFrames( sampleFrame * _ab, const f_cnt_t _frames );
+	
+	inline const sampleFrame * inputBuffer( void )
+	{
+		return m_inputBuffer[ m_inputBufferRead ];
+	}
+
+	inline const f_cnt_t inputBufferFrames( void )
+	{
+		return m_inputBufferFrames[ m_inputBufferRead ];
+	}
+
 	inline const surroundSampleFrame * nextBuffer( void )
 	{
 		return( hasFifoWriter() ? m_fifo->read() : renderNextBuffer() );
@@ -430,6 +453,12 @@ private:
 
 	sampleFrame * m_workingBuf;
 
+	sampleFrame * m_inputBuffer[2];
+	f_cnt_t m_inputBufferFrames[2];
+	f_cnt_t m_inputBufferSize[2];
+	int m_inputBufferRead;
+	int m_inputBufferWrite;
+	
 	surroundSampleFrame * m_readBuf;
 	surroundSampleFrame * m_writeBuf;
 	
@@ -472,6 +501,7 @@ private:
 	QMutex m_globalMutex;
 	QMutex m_playHandlesMutex;
 	QMutex m_playHandlesToRemoveMutex;
+	QMutex m_inputFramesMutex;
 
 
 	fifo * m_fifo;

include/sample_record_handle.h

@@ -0,0 +1,74 @@
+/*
+ * sample_record_handle.h - play-handle for recording a sample
+ *
+ * Copyright (c) 2008 Csaba Hruska <csaba.hruska/at/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 _SAMPLE_RECORD_HANDLE_H
+#define _SAMPLE_RECORD_HANDLE_H
+
+#include <QtCore/QList>
+#include <QtCore/QPair>
+#include <qobject.h>
+
+#include "mixer.h"
+#include "sample_buffer.h"
+
+class bbTrack;
+class pattern;
+class sampleTCO;
+class track;
+
+
+class sampleRecordHandle : public playHandle
+{
+public:
+	sampleRecordHandle( sampleTCO * _tco );
+	virtual ~sampleRecordHandle();
+
+	virtual void play( bool _try_parallelizing,
+						sampleFrame * _working_buffer );
+	virtual bool done( void ) const;
+
+	virtual bool isFromTrack( const track * _track ) const;
+
+	f_cnt_t framesRecorded( void ) const;
+	void createSampleBuffer( sampleBuffer * * _sample_buf );
+
+
+private:
+	virtual void writeBuffer( const sampleFrame * _ab,
+						const fpp_t _frames );
+
+	typedef QList<QPair<sampleFrame *, fpp_t> > bufferList;
+	bufferList m_buffers;
+	f_cnt_t m_framesRecorded;
+	midiTime m_minLength;
+
+	track * m_track;
+	bbTrack * m_bbTrack;
+	sampleTCO * m_tco;
+
+} ;
+
+
+#endif

include/sample_track.h

@@ -40,6 +40,7 @@ class sampleBuffer;
 class sampleTCO : public trackContentObject
 {
 	Q_OBJECT
+	mapPropertyFromModel(bool,isRecord,setRecord,m_recordModel);
 public:
 	sampleTCO( track * _track );
 	virtual ~sampleTCO();
@@ -65,12 +66,15 @@ public:
 
 
 public slots:
+	void setSampleBuffer( sampleBuffer * _sb );
 	void setSampleFile( const QString & _sf );
 	void updateLength( bpm_t = 0 );
+	void toggleRecord( void );
 
 
 private:
 	sampleBuffer * m_sampleBuffer;
+	boolModel m_recordModel;
 
 
 	friend class sampleTCOView;
@@ -96,6 +100,8 @@ public slots:
 
 
 protected:
+	virtual void contextMenuEvent( QContextMenuEvent * _cme );
+	virtual void mousePressEvent( QMouseEvent * _me );
 	virtual void dragEnterEvent( QDragEnterEvent * _dee );
 	virtual void dropEvent( QDropEvent * _de );
 	virtual void mouseDoubleClickEvent( QMouseEvent * );

include/song_editor.h

@@ -65,6 +65,8 @@ private slots:
 	void setHighQuality( bool );
 
 	void play( void );
+	void record( void );
+	void recordAccompany( void );
 	void stop( void );
 
 	void masterVolumeChanged( int _new_val );
@@ -101,6 +103,8 @@ private:
 	QWidget * m_toolBar;
 
 	toolButton * m_playButton;
+	toolButton * m_recordButton;
+	toolButton * m_recordAccompanyButton;
 	toolButton * m_stopButton;
 	lcdSpinBox * m_tempoSpinBox;