From 05c16cb1599899120527ecc3a9923c4ee4ef07bf Mon Sep 17 00:00:00 2001
From: Chris Tallon <chris@vomp.tv>
Date: Wed, 22 Feb 2023 16:12:53 +0000
Subject: [PATCH] Add disable-hdmi-modechange to runtime config

---
 src/config.cc          |  2 ++
 src/config.json.sample |  7 ++++++-
 src/videoomx.cc        | 32 +++++++++++++++++++++-----------
 3 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/src/config.cc b/src/config.cc
index 8139fe7..9b2c5f8 100644
--- a/src/config.cc
+++ b/src/config.cc
@@ -55,6 +55,8 @@ void Config::applyDefaults()
 
   insertInt("server-discovery", "prefer-ipv", 6);
 
+  insertBool("videoomx", "disable-hdmi-modechange", false);
+
   // Not in config.json.sample - VDR login always sets this
   insertInt("subtitles", "default", 0);
 }
diff --git a/src/config.json.sample b/src/config.json.sample
index 3448df4..e0f9c27 100644
--- a/src/config.json.sample
+++ b/src/config.json.sample
@@ -52,7 +52,7 @@
   "input_udp":
   {
     "port": 2000
-  }
+  },
 
   "input_lirc":
   {
@@ -88,5 +88,10 @@
     "lirc-remote-name-2":
     {
     }
+  },
+
+  "videoomx":
+  {
+    "disable-hdmi-modechange": false
   }
 }
diff --git a/src/videoomx.cc b/src/videoomx.cc
index 437fc24..028c62d 100644
--- a/src/videoomx.cc
+++ b/src/videoomx.cc
@@ -33,6 +33,7 @@
 #include "boxstack.h"
 #include "inputman.h"
 #include "util.h"
+#include "config.h"
 
 #include "videoomx.h"
 
@@ -509,18 +510,27 @@ void VideoOMX::selectVideoMode(int interlaced)
 			}
 		}
 		// InputMan::getInstance()->shutdown(); FIXME FIXME FIXME - disabling this temp, why does this have to run?
-		vc_tv_power_off();
-		if (mymode) {
-			LogNT::getInstance()->info(TAG, "Switch to optimum mode");
-			vc_tv_hdmi_power_on_explicit(HDMI_MODE_HDMI,group,mymode->code);
-		} else if (mymode_second_best) {
-			LogNT::getInstance()->info(TAG, "Switch to close to optimum mode");
-			vc_tv_hdmi_power_on_explicit(HDMI_MODE_HDMI,group,mymode_second_best->code);
-		} else {
-			LogNT::getInstance()->info(TAG, "Switch to prefered mode");
-			vc_tv_hdmi_power_on_best(1920, 1080, target_fps, interlaced ? HDMI_INTERLACED : HDMI_NONINTERLACED,
-					static_cast<EDID_MODE_MATCH_FLAG_T>(HDMI_MODE_MATCH_FRAMERATE|HDMI_MODE_MATCH_RESOLUTION|HDMI_MODE_MATCH_SCANMODE));
+
+
+		bool disableHDMIModeChange{false};
+		bool confSuccess = Config::getInstance()->getBool("videoomx", "disable-hdmi-modechange", disableHDMIModeChange);
+
+		if (!(confSuccess && disableHDMIModeChange))
+		{
+		  vc_tv_power_off();
+		  if (mymode) {
+			  LogNT::getInstance()->info(TAG, "Switch to optimum mode");
+			  vc_tv_hdmi_power_on_explicit(HDMI_MODE_HDMI,group,mymode->code);
+		  } else if (mymode_second_best) {
+			  LogNT::getInstance()->info(TAG, "Switch to close to optimum mode");
+			  vc_tv_hdmi_power_on_explicit(HDMI_MODE_HDMI,group,mymode_second_best->code);
+		  } else {
+			  LogNT::getInstance()->info(TAG, "Switch to prefered mode");
+			  vc_tv_hdmi_power_on_best(1920, 1080, target_fps, interlaced ? HDMI_INTERLACED : HDMI_NONINTERLACED,
+					  static_cast<EDID_MODE_MATCH_FLAG_T>(HDMI_MODE_MATCH_FRAMERATE|HDMI_MODE_MATCH_RESOLUTION|HDMI_MODE_MATCH_SCANMODE));
+		  }
 		}
+
 		hdmi=true;
 		outputinterlaced=interlaced;
 	} else {
-- 
2.39.2