From d0812e9019706ebb380a66f056f707962ea42dde Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julian=20Offenh=C3=A4user?= <metalvoidzz@gmail.com>
Date: Thu, 3 Dec 2020 00:33:24 +0100
Subject: [PATCH] LibAudio: Fix parsing of WAV files from memory

The WavLoaderPlugin now loads the file header correctly when reading
from a ByteBuffer.
---
 Libraries/LibAudio/WavLoader.cpp | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/Libraries/LibAudio/WavLoader.cpp b/Libraries/LibAudio/WavLoader.cpp
index adac8c7a0d..2cd4849eb0 100644
--- a/Libraries/LibAudio/WavLoader.cpp
+++ b/Libraries/LibAudio/WavLoader.cpp
@@ -120,9 +120,12 @@ bool WavLoaderPlugin::parse_header()
         u8 value;
         if (m_file) {
             *file_stream >> value;
-            if (file_stream->handle_read_failure()) {
+            if (file_stream->handle_read_failure())
+                ok = false;
+        } else {
+            *m_stream >> value;
+            if (m_stream->has_any_error())
                 ok = false;
-            }
         }
         return value;
     };
@@ -131,9 +134,12 @@ bool WavLoaderPlugin::parse_header()
         u16 value;
         if (m_file) {
             *file_stream >> value;
-            if (file_stream->handle_read_failure()) {
+            if (file_stream->handle_read_failure())
+                ok = false;
+        } else {
+            *m_stream >> value;
+            if (m_stream->has_any_error())
                 ok = false;
-            }
         }
         return value;
     };
@@ -142,9 +148,12 @@ bool WavLoaderPlugin::parse_header()
         u32 value;
         if (m_file) {
             *file_stream >> value;
-            if (file_stream->handle_read_failure()) {
+            if (file_stream->handle_read_failure())
+                ok = false;
+        } else {
+            *m_stream >> value;
+            if (m_stream->has_any_error())
                 ok = false;
-            }
         }
         return value;
     };