From e43ccee77fc98ed7e3e8b0ccd71acfd73611bedb Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Fri, 24 Apr 2026 21:07:19 +0500
Subject: [PATCH] engine: soundlib: swap WAV data

---
 engine/client/soundlib/snd_wav.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/engine/client/soundlib/snd_wav.c b/engine/client/soundlib/snd_wav.c
index 806a8b44..676a0d43 100644
--- a/engine/client/soundlib/snd_wav.c
+++ b/engine/client/soundlib/snd_wav.c
@@ -319,6 +319,15 @@ qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesi
 
 	memcpy( sound.wav, buffer + (iff_dataPtr - buffer), sound.size );
 
+	// swap 16-bit samples from little endian to native
+	if( sound.width == 2 )
+	{
+		short *p = (short *)sound.wav;
+		int count = sound.size / 2;
+		for( int i = 0; i < count; i++ )
+			p[i] = LittleShort( p[i] );
+	}
+
 	// now convert 8-bit sounds to signed
 	if( sound.width == 1 )
 	{
@@ -462,6 +471,14 @@ int Stream_ReadWAV( stream_t *stream, int bytes, void *buffer )
 	stream->pos += bytes;
 	FS_Read( stream->file, buffer, bytes );
 
+	if( stream->width == 2 )
+	{
+		short *p = (short *)buffer;
+		int count = bytes / 2;
+		for( int i = 0; i < count; i++ )
+			p[i] = LittleShort( p[i] );
+	}
+
 	return bytes;
 }