From 1129ef4d34d0bf4c6d0b74dd76094b7cc36aa151 Mon Sep 17 00:00:00 2001
From: Thomas Reufer <thomas@reufer.ch>
Date: Sat, 2 May 2015 17:11:51 +0200
Subject: set field sync when output interlaced material at interlaced display
 mode

---
 HISTORY     | 3 +++
 display.c   | 9 +++++++++
 display.h   | 2 ++
 omxdevice.c | 3 +++
 4 files changed, 17 insertions(+)

diff --git a/HISTORY b/HISTORY
index 0006722..d638dde 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,9 @@
 VDR Plugin 'rpihddevice' Revision History
 -----------------------------------------
 
+- fixed:
+  - set field sync when output interlaced material at interlaced display mode
+
 2015-04-29: Version 0.1.0
 -------------------------
 - new:
diff --git a/display.c b/display.c
index c839d59..b15e259 100644
--- a/display.c
+++ b/display.c
@@ -16,6 +16,8 @@ extern "C" {
 #include "interface/vmcs_host/vc_dispmanx.h"
 }
 
+#include <bcm_host.h>
+
 cRpiDisplay* cRpiDisplay::s_instance = 0;
 
 cRpiDisplay* cRpiDisplay::GetInstance(void)
@@ -53,6 +55,7 @@ cRpiDisplay* cRpiDisplay::GetInstance(void)
 
 void cRpiDisplay::DropInstance(void)
 {
+	SetSyncField(0);
 	delete s_instance;
 	s_instance = 0;
 }
@@ -106,6 +109,12 @@ int cRpiDisplay::SetVideoFormat(int width, int height, int frameRate,
 	return -1;
 }
 
+int cRpiDisplay::SetSyncField(int field)
+{
+	char response[64];
+	return vc_gencmd(response, sizeof(response), "hvs_update_fields %d", field);
+}
+
 cRpiVideoPort::ePort cRpiDisplay::GetVideoPort(void)
 {
 	cRpiDisplay* instance = GetInstance();
diff --git a/display.h b/display.h
index d954a2e..4388d13 100644
--- a/display.h
+++ b/display.h
@@ -28,6 +28,8 @@ public:
 	static int SetVideoFormat(int width, int height, int frameRate,
 			bool interlaced);
 
+	static int SetSyncField(int field);
+
 protected:
 
 	cRpiDisplay(int width, int height, int frameRate,
diff --git a/omxdevice.c b/omxdevice.c
index a470be6..5ad3672 100644
--- a/omxdevice.c
+++ b/omxdevice.c
@@ -165,6 +165,7 @@ bool cOmxDevice::SetPlayMode(ePlayMode PlayMode)
 		m_hasVideo = false;
 		m_videoCodec = cVideoCodec::eInvalid;
 		m_playMode = pmNone;
+		cRpiDisplay::SetSyncField(0);
 		break;
 
 	case pmAudioVideo:
@@ -668,6 +669,8 @@ void cOmxDevice::HandleStreamStart()
 			width, height, frameRate, interlaced ? "i" : "p");
 
 	cRpiDisplay::SetVideoFormat(width, height, frameRate, interlaced);
+	if (!cRpiDisplay::IsProgressive() && interlaced)
+		cRpiDisplay::SetSyncField(1);
 }
 
 void cOmxDevice::HandleVideoSetupChanged()
-- 
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