TITANIC: Fix calculation of wave file size

2 files changed, 10 insertions, 6 deletions

diff --git a/engines/titanic/sound/music_wave.cpp b/engines/titanic/sound/music_wave.cpp
index 0f88c32632..8f3f3005ba 100644
--- a/engines/titanic/sound/music_wave.cpp
+++ b/engines/titanic/sound/music_wave.cpp
@@ -313,13 +313,15 @@ void CMusicWave::chooseWaveFile(int index, int size) {
 		}
 	}
 
-	int arrIndex = _arrayIndex - _items[waveIndex]._value + index;
+	const CMusicWaveFile &wf = _items[waveIndex];
+	int arrIndex = _arrayIndex - wf._value + index;
+	uint waveSize = wf._waveFile->size();
 
 	_waveIndex = waveIndex;
 	_readPos = 0;
 	_readIncrement = (int)(_array[arrIndex] * 256);
 	_size = size;
-	_count = _items[waveIndex]._waveFile->size() / 2;
+	_count = waveSize / 2;
 }
 
 void CMusicWave::setupArray(int minVal, int maxVal) {
diff --git a/engines/titanic/sound/wave_file.cpp b/engines/titanic/sound/wave_file.cpp
index 5d9987a33f..04800b6157 100644
--- a/engines/titanic/sound/wave_file.cpp
+++ b/engines/titanic/sound/wave_file.cpp
@@ -81,12 +81,14 @@ bool CWaveFile::loadSound(const CString &name) {
 		return false;
 
 	Common::SeekableReadStream *stream = file.readStream();
-	_dataSize = stream->size();
-	_rawData = new byte[_dataSize];
-	stream->read(_rawData, _dataSize);
+	uint dataSize = stream->size();
+	_dataSize = dataSize - 44;
+
+	_rawData = new byte[dataSize];
+	stream->read(_rawData, dataSize);
 	
 	_audioStream = Audio::makeWAVStream(
-		new Common::MemoryReadStream(_rawData, _dataSize, DisposeAfterUse::YES),
+		new Common::MemoryReadStream(_rawData, dataSize, DisposeAfterUse::YES),
 		DisposeAfterUse::YES);
 	_soundType = Audio::Mixer::kSFXSoundType;