diff --git a/aegisub/ass_file.cpp b/aegisub/ass_file.cpp
index 59d80629f..0e3014a73 100644
--- a/aegisub/ass_file.cpp
+++ b/aegisub/ass_file.cpp
@@ -270,19 +270,19 @@ bool AssFile::CanSave() {
 
 ////////////////////////////////////
 // Returns script as a single string
-wxString AssFile::GetString() {
-	using std::list;
-	wxString ret;
-	AssEntry *entry;
-	ret += 0xfeff;
-	for (list<AssEntry*>::iterator cur=Line.begin();cur!=Line.end();) {
-		entry = *cur;
-		ret += entry->GetEntryData();
-		ret += L"\n";
-		cur++;
-	}
-	return ret;
-}
+//wxString AssFile::GetString() {
+//	using std::list;
+//	wxString ret;
+//	AssEntry *entry;
+//	ret += 0xfeff;
+//	for (list<AssEntry*>::iterator cur=Line.begin();cur!=Line.end();) {
+//		entry = *cur;
+//		ret += entry->GetEntryData();
+//		ret += L"\n";
+//		cur++;
+//	}
+//	return ret;
+//}
 
 
 ///////////////////////
diff --git a/aegisub/ass_file.h b/aegisub/ass_file.h
index d39b61f85..8b81fbe1f 100644
--- a/aegisub/ass_file.h
+++ b/aegisub/ass_file.h
@@ -90,7 +90,7 @@ public:
 	wxArrayString GetStyles();							// Gets a list of all styles available
 	AssStyle *GetStyle(wxString name);					// Gets style by its name
 
-	wxString GetString();								// Returns the whole file as a single string
+	//wxString GetString();								// Returns the whole file as a single string
 	void Load(wxString file,wxString charset=_T(""),bool addToRecent=true);	// Load from a file
 	void Save(wxString file,bool setfilename=false,bool addToRecent=true,const wxString encoding=_T(""));	// Save to a file. Pass true to second argument if this isn't a copy
 	void SaveMemory(std::vector<char> &dst,const wxString encoding=_T(""));	// Save to a memory string
diff --git a/aegisub/audio_display.cpp b/aegisub/audio_display.cpp
index dd92b9572..1551a5ab3 100644
--- a/aegisub/audio_display.cpp
+++ b/aegisub/audio_display.cpp
@@ -1165,12 +1165,22 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
 		else if (y < h+timelineHeight) onScale = true;
 	}
 
+	// Buttons
+	bool leftIsDown = event.ButtonIsDown(wxMOUSE_BTN_LEFT);
+	bool rightIsDown = event.ButtonIsDown(wxMOUSE_BTN_RIGHT);
+	bool buttonIsDown = leftIsDown || rightIsDown;
+	bool leftClick = event.ButtonDown(wxMOUSE_BTN_LEFT);
+	bool rightClick = event.ButtonDown(wxMOUSE_BTN_RIGHT);
+	bool middleClick = event.Button(wxMOUSE_BTN_MIDDLE);
+	bool buttonClick = leftClick || rightClick;
+	bool defCursor = true;
+
 	// Click type
-	if (event.ButtonDown(wxMOUSE_BTN_LEFT) && !holding) {
+	if (buttonClick && !holding) {
 		holding = true;
 		CaptureMouse();
 	}
-	if (!event.ButtonIsDown(wxMOUSE_BTN_LEFT) && holding) {
+	if (!buttonIsDown && holding) {
 		holding = false;
 		if (HasCapture()) ReleaseMouse();
 	}
@@ -1266,13 +1276,13 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
 	// Outside
 	if (!inside && hold == 0) return;
 
-	// Left/middle click
-	if (event.ButtonDown(wxMOUSE_BTN_LEFT) || event.Button(wxMOUSE_BTN_MIDDLE)) {
+	// Left click
+	if (leftClick) {
 		SetFocus();
 	}
 
 	// Right click
-	if (event.ButtonDown(wxMOUSE_BTN_RIGHT)) {
+	if (rightClick) {
 		SetFocus();
 		if (karaoke->enabled) {
 			int syl = GetSyllableAtX(x);
@@ -1285,14 +1295,13 @@ void AudioDisplay::OnMouseEvent(wxMouseEvent& event) {
 		}
 	}
 
-	// Buttons
-	bool leftIsDown = event.ButtonIsDown(wxMOUSE_BTN_LEFT);
-	bool rightIsDown = event.ButtonIsDown(wxMOUSE_BTN_RIGHT);
-	bool buttonIsDown = leftIsDown || rightIsDown;
-	bool leftClick = event.ButtonDown(wxMOUSE_BTN_LEFT);
-	bool rightClick = event.ButtonDown(wxMOUSE_BTN_RIGHT);
-	bool buttonClick = leftClick || rightClick;
-	bool defCursor = true;
+	// Middle click
+	if (middleClick) {
+		SetFocus();
+		if (VideoContext::Get()->IsLoaded()) {
+			VideoContext::Get()->JumpToTime(GetMSAtX(x),true);
+		}
+	}
 
 	// Timing
 	if (hasSel) {
diff --git a/aegisub/auto4_ruby.cpp b/aegisub/auto4_ruby.cpp
index 1e89ea3b2..8f8eaf61f 100644
--- a/aegisub/auto4_ruby.cpp
+++ b/aegisub/auto4_ruby.cpp
@@ -500,7 +500,7 @@ namespace Automation4 {
 	{
 
 		try {
-			VALUE cfg;
+			VALUE cfg = 0;
 			if (has_config && config_dialog) {
 				cfg = config_dialog->RubyReadBack();
 				// TODO, write back stored options here
diff --git a/aegisub/subs_grid.cpp b/aegisub/subs_grid.cpp
index 778ebfb8d..eebeec33f 100644
--- a/aegisub/subs_grid.cpp
+++ b/aegisub/subs_grid.cpp
@@ -651,7 +651,7 @@ void SubtitlesGrid::OnRecombine(wxCommandEvent &event) {
 //////////////
 // Export audio clip of line
 void SubtitlesGrid::OnAudioClip(wxCommandEvent &event) {
-	__int64 num_samples,start,end,temp;
+	__int64 num_samples,start=0,end=0,temp;
 	AudioDisplay *audioDisplay = parentFrame->audioBox->audioDisplay;
 	AudioProvider *provider = audioDisplay->provider;
 	AssDialogue *cur;
diff --git a/aegisub/vfr.h b/aegisub/vfr.h
index ce252e226..195aee2b6 100644
--- a/aegisub/vfr.h
+++ b/aegisub/vfr.h
@@ -59,6 +59,8 @@ enum ASS_FrameRateType {
 ///////////////////
 // Framerate class
 class FrameRate {
+	friend class VideoContext;
+
 private:
 	double last_time;
 	int last_frame;
diff --git a/aegisub/video_context.cpp b/aegisub/video_context.cpp
index fcda137c4..7d85a63f0 100644
--- a/aegisub/video_context.cpp
+++ b/aegisub/video_context.cpp
@@ -387,8 +387,11 @@ void VideoContext::JumpToFrame(int n) {
 
 ////////////////////////////
 // Jumps to a specific time
-void VideoContext::JumpToTime(int ms) {
-	JumpToFrame(VFR_Output.GetFrameAtTime(ms));
+void VideoContext::JumpToTime(int ms,bool exact) {
+	int frame;
+	if (exact) frame = VFR_Output.PFrameAtTime(ms);
+	else frame = VFR_Output.GetFrameAtTime(ms); 
+	JumpToFrame(frame);
 }
 
 
diff --git a/aegisub/video_context.h b/aegisub/video_context.h
index 765b11791..ab99b44e7 100644
--- a/aegisub/video_context.h
+++ b/aegisub/video_context.h
@@ -154,7 +154,7 @@ public:
 	void Reset();
 
 	void JumpToFrame(int n);
-	void JumpToTime(int ms);
+	void JumpToTime(int ms,bool exact=false);
 
 	void Refresh(bool video,bool subtitles);
 	void UpdateDisplays(bool full);