From 1c77b2daf88c465c8f8cffddff65f8a7bca1af89 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 24 Feb 2015 00:47:21 +0200
Subject: LAB: Implement correct duration calculation for the DOS version music

---
 engines/lab/labmusic.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'engines/lab')

diff --git a/engines/lab/labmusic.cpp b/engines/lab/labmusic.cpp
index cd082700ca..4a427eded0 100644
--- a/engines/lab/labmusic.cpp
+++ b/engines/lab/labmusic.cpp
@@ -33,6 +33,7 @@
 #include "lab/timing.h"
 #include "lab/mouse.h"
 #include "lab/vga.h"
+#include "lab/lab.h"
 
 namespace Lab {
 
@@ -470,8 +471,10 @@ byte **Music::newOpen(const char *name) {
 	if (_musicOn) {
 		updateMusic();
 
-		LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / (2 * SAMPLESPEED);	// Windows (16-bit)
-		//LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / SAMPLESPEED;	// DOS (8-bit) - TODO
+		if (g_lab->getPlatform() == Common::kPlatformWindows)
+			LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / (2 * SAMPLESPEED);	// Windows (16-bit)
+		else
+			LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / SAMPLESPEED;	// DOS (8-bit)
 
 		filelength = sizeOfFile(name) * 10;
 		Time = 10 +                           /* Seek time for the music and the file */
@@ -507,8 +510,10 @@ void Music::fileCheckMusic(uint32 filelength) {
 		updateMusic();
 
 		
-		LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / (2 * SAMPLESPEED);	// Windows (16-bit)
-		//LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / SAMPLESPEED;	// DOS (8-bit) - TODO
+		if (g_lab->getPlatform() == Common::kPlatformWindows)
+			LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / (2 * SAMPLESPEED);	// Windows (16-bit)
+		else
+			LeftSecs = (getManyBuffersLeft() * MUSICBUFSIZE * 10) / SAMPLESPEED;	// DOS (8-bit)
 
 		filelength *= 10;
 		Time = 5 +                            /* Seek time for the music */
-- 
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