From b55d9324d14f9bdcf65c6a17c1fb0f2800adbcaf Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Thu, 6 Apr 2017 05:30:59 +0200
Subject: [PATCH] ATV Demod: render image immediately when FPS is below 25 to
 avoid partial image flickering

---
 plugins/channelrx/demodatv/atvdemod.cpp  | 1 +
 plugins/channelrx/demodatv/atvscreen.cpp | 3 ++-
 plugins/channelrx/demodatv/atvscreen.h   | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/plugins/channelrx/demodatv/atvdemod.cpp b/plugins/channelrx/demodatv/atvdemod.cpp
index c4409ac9f..0787f820e 100644
--- a/plugins/channelrx/demodatv/atvdemod.cpp
+++ b/plugins/channelrx/demodatv/atvdemod.cpp
@@ -573,6 +573,7 @@ void ATVDemod::applySettings()
         m_intNumberSamplePerLine = (int) (m_objConfig.m_fltLineDuration * m_objConfig.m_intSampleRate);
         m_intNumberSamplePerTop = (int) (m_objConfig.m_fltTopDuration * m_objConfig.m_intSampleRate);
 
+        m_objRegisteredATVScreen->setRenderImmediate((m_objConfig.m_fltFramePerS < 25.0f));
         m_objRegisteredATVScreen->resizeATVScreen(
                 m_intNumberSamplePerLine - m_intNumberSamplePerLineSignals,
                 m_intNumberOfLines - m_intNumberOfBlackLines);
diff --git a/plugins/channelrx/demodatv/atvscreen.cpp b/plugins/channelrx/demodatv/atvscreen.cpp
index 86da014bf..d3955909e 100644
--- a/plugins/channelrx/demodatv/atvscreen.cpp
+++ b/plugins/channelrx/demodatv/atvscreen.cpp
@@ -37,6 +37,7 @@ ATVScreen::ATVScreen(QWidget* parent) :
     m_chrLastData = NULL;
     m_blnConfigChanged = false;
     m_blnDataChanged = false;
+    m_blnRenderImmediate = false;
     m_blnGLContextInitialized = false;
 
     //Par défaut
@@ -63,7 +64,7 @@ void ATVScreen::renderImage(unsigned char * objData)
 {
     m_chrLastData = objData;
     m_blnDataChanged = true;
-    //update();
+    if (m_blnRenderImmediate) update();
 }
 
 void ATVScreen::resetImage()
diff --git a/plugins/channelrx/demodatv/atvscreen.h b/plugins/channelrx/demodatv/atvscreen.h
index 8a3354a52..1e1aebd04 100644
--- a/plugins/channelrx/demodatv/atvscreen.h
+++ b/plugins/channelrx/demodatv/atvscreen.h
@@ -54,6 +54,7 @@ public:
 
     bool selectRow(int intLine);
     bool setDataColor(int intCol,int intRed, int intGreen, int intBlue);
+    void setRenderImmediate(bool blnRenderImmediate) { m_blnRenderImmediate = blnRenderImmediate; }
 
     void connectTimer(const QTimer& timer);
 
@@ -75,6 +76,7 @@ private:
     QTimer m_objTimer;
     QMutex m_objMutex;
     bool m_blnDataChanged;
+    bool m_blnRenderImmediate;
     bool m_blnConfigChanged;
 
     GLShaderArray m_objGLShaderArray;