From 14e932c3c3172ac18d9b9603861b915087e0613c Mon Sep 17 00:00:00 2001
From: Hugues Bruyere <hugues@smallfly.com>
Date: Fri, 15 Jun 2012 13:49:57 -0400
Subject: [PATCH] Added a function to set the audio balance.

---
 src/ofxThreadedVideo.cpp | 21 +++++++++++++++++++++
 src/ofxThreadedVideo.h   |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/src/ofxThreadedVideo.cpp b/src/ofxThreadedVideo.cpp
index 0792bef..6701b25 100644
--- a/src/ofxThreadedVideo.cpp
+++ b/src/ofxThreadedVideo.cpp
@@ -31,6 +31,7 @@ ofxThreadedVideo::ofxThreadedVideo(){
     bPaused[0] = bPaused[1] = false;
     bUseTexture = true;
     volume[0] = volume[1] = 255;
+    balance[0] = balance[1] = .0f;
     newSpeed[0] = newSpeed[1] = 1.0f;
     newLoopType[0] = newLoopType[1] = -1;
     frame[0] = frame[1] = 0;
@@ -169,6 +170,7 @@ void ofxThreadedVideo::update(){
                     bFrameNew[lastVideoID] = false;
                     bPaused[lastVideoID] = false;
                     volume[lastVideoID] = 255;
+                    balance[lastVideoID] = .0f;
                 }
 
                 // send event notification
@@ -465,6 +467,25 @@ int ofxThreadedVideo::getVolume(){
     }
 }
 
+//--------------------------------------------------------------
+void ofxThreadedVideo::setBalance(float _balance){
+    Poco::ScopedLock<ofMutex> lock();
+    if(currentVideoID != VIDEO_NONE && loadVideoID == VIDEO_NONE){
+        balance[currentVideoID] = _balance;
+        videos[currentVideoID].setBalance(balance[currentVideoID]);
+    }
+    balance[getNextLoadID()] = _balance;
+    videos[getNextLoadID()].setBalance(balance[getNextLoadID()]);
+}
+
+//--------------------------------------------------------------
+float ofxThreadedVideo::getBalance(){
+    Poco::ScopedLock<ofMutex> lock();
+    if(currentVideoID != VIDEO_NONE){
+        return balance[currentVideoID];
+    }
+}
+
 //--------------------------------------------------------------
 void ofxThreadedVideo::setLoopState(ofLoopType state){
     Poco::ScopedLock<ofMutex> lock();
diff --git a/src/ofxThreadedVideo.h b/src/ofxThreadedVideo.h
index 42d0517..34517a4 100644
--- a/src/ofxThreadedVideo.h
+++ b/src/ofxThreadedVideo.h
@@ -66,6 +66,8 @@ class ofxThreadedVideo : public ofThread {
     void setPosition(float pct);
     void setVolume(int volume);
     int getVolume();
+    void setBalance(float balance);
+    float getBalance();
     void setLoopState(ofLoopType state);
     int getLoopState();
     void setSpeed(float speed);
@@ -133,6 +135,7 @@ class ofxThreadedVideo : public ofThread {
     float newPosition[2];
     int newFrame[2];
     int volume[2];
+    float balance[2];
     bool bPaused[2];
     float newSpeed[2];
     int newLoopType[2];