From 1798fca76a3ffc8d22318e445d10fbb7b63a762b Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@users.noreply.github.com>
Date: Tue, 23 Aug 2022 22:58:00 -0400
Subject: [PATCH] proper deemph handling for win32 aviout. used
 57ec344b1fffd263c64b94cb4a87831a69b84a8c from 7 years ago as a reference
 (when the png writing was fixed). fixes #429

---
 src/drivers/win/aviout.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/drivers/win/aviout.cpp b/src/drivers/win/aviout.cpp
index b5ce0333..e0d347be 100644
--- a/src/drivers/win/aviout.cpp
+++ b/src/drivers/win/aviout.cpp
@@ -291,6 +291,8 @@ static void do_video_conversion(const unsigned char* buffer)
 {
 //	memset(avi_file->convert_buffer, 0, VIDEO_WIDTH*(avi_file->end_scanline-avi_file->start_scanline)*3);
 
+	const unsigned char* mybuffer = buffer;
+
 	buffer += avi_file->start_scanline * VIDEO_WIDTH;
 
 	for(int y=avi_file->start_scanline; y<avi_file->end_scanline; ++y)
@@ -300,10 +302,11 @@ static void do_video_conversion(const unsigned char* buffer)
 
 		for(int x=0; x<VIDEO_WIDTH; ++x)
 		{
-			uint8 *cp = (uint8*)(color_palette + *buffer++)+2;
-			*pix++ = *cp--;
-			*pix++ = *cp--;
-			*pix++ = *cp;
+			u32 color = ModernDeemphColorMap(buffer,mybuffer,1);
+			*pix++=(color>>0x00)&0xFF;
+			*pix++=(color>>0x08)&0xFF;
+			*pix++=(color>>0x10)&0xFF;
+			buffer++;
 		}
 
 		buffer = prevbuf + VIDEO_WIDTH;