From 3aceeca43c570225b10c5b1c383332790d5674b6 Mon Sep 17 00:00:00 2001
From: Javier Serrano Polo <jasp00@terra.es>
Date: Sun, 23 Jul 2006 00:33:55 +0000
Subject: [PATCH] added checks to avoid segfaults when closing the application

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@266 0778d3d1-df1d-0410-868b-ea421aaaa00d
---
 src/core/automation_editor.cpp | 6 +++++-
 src/core/note_play_handle.cpp  | 9 +++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/core/automation_editor.cpp b/src/core/automation_editor.cpp
index 1f5bd4eb7..7efc21c55 100644
--- a/src/core/automation_editor.cpp
+++ b/src/core/automation_editor.cpp
@@ -1563,8 +1563,12 @@ void automationEditor::resizeEvent( QResizeEvent * )
 
 	m_topBottomScroll->setValue( m_scroll_level );
 
-	eng()->getSongEditor()->getPlayPos( songEditor::PLAY_AUTOMATION_PATTERN
+	if( eng()->getSongEditor() )
+	{
+		eng()->getSongEditor()->getPlayPos(
+					songEditor::PLAY_AUTOMATION_PATTERN
 					).m_timeLine->setFixedWidth( width() );
+	}
 	m_toolBar->setFixedWidth( width() );
 
 	updateTopBottomLevels();
diff --git a/src/core/note_play_handle.cpp b/src/core/note_play_handle.cpp
index b157e3613..d87720459 100644
--- a/src/core/note_play_handle.cpp
+++ b/src/core/note_play_handle.cpp
@@ -274,12 +274,17 @@ void notePlayHandle::noteOff( const f_cnt_t _s )
 									FALSE );
 		}
 		// send MIDI-note-off-event
-		m_instrumentTrack->processOutEvent( midiEvent( NOTE_OFF,
+		// TODO: move framesPerTact() to engine
+		if( m_instrumentTrack->eng()->getSongEditor() )
+		{
+			m_instrumentTrack->processOutEvent( midiEvent( NOTE_OFF,
 				m_instrumentTrack->m_midiPort->outputChannel(),
 								key(), 0 ),
 						midiTime::fromFrames(
 							m_framesBeforeRelease,
-		m_instrumentTrack->eng()->getSongEditor()->framesPerTact() ) );
+			m_instrumentTrack->eng()->getSongEditor()
+							->framesPerTact() ) );
+		}
 	}
 	else
 	{