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-rw-r--r--dom/media/webaudio/blink/HRTFDatabaseLoader.cpp3
-rw-r--r--dom/media/webaudio/blink/HRTFDatabaseLoader.h9
2 files changed, 11 insertions, 1 deletions
diff --git a/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp b/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp
index 090e1b217..96c53b1cd 100644
--- a/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp
+++ b/dom/media/webaudio/blink/HRTFDatabaseLoader.cpp
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
+ * Copyright (C) 2020 M. Straver. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -72,6 +73,7 @@ HRTFDatabaseLoader::HRTFDatabaseLoader(float sampleRate)
, m_threadLock("HRTFDatabaseLoader")
, m_databaseLoaderThread(nullptr)
, m_databaseSampleRate(sampleRate)
+ , m_databaseLoaded(false)
{
MOZ_ASSERT(NS_IsMainThread());
}
@@ -164,6 +166,7 @@ void HRTFDatabaseLoader::load()
MOZ_ASSERT(!m_hrtfDatabase.get(), "Called twice");
// Load the default HRTF database.
m_hrtfDatabase = HRTFDatabase::create(m_databaseSampleRate);
+ m_databaseLoaded = true;
// Notifies the main thread of completion. See loadAsynchronously().
Release();
}
diff --git a/dom/media/webaudio/blink/HRTFDatabaseLoader.h b/dom/media/webaudio/blink/HRTFDatabaseLoader.h
index 50a875b18..4dfbd4fc8 100644
--- a/dom/media/webaudio/blink/HRTFDatabaseLoader.h
+++ b/dom/media/webaudio/blink/HRTFDatabaseLoader.h
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
+ * Copyright (C) 2020 M. Straver. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -85,7 +86,12 @@ public:
// on any thread except m_databaseLoaderThread.
void waitForLoaderThreadCompletion();
- HRTFDatabase* database() { return m_hrtfDatabase.get(); }
+ HRTFDatabase* database() {
+ if (!m_databaseLoaded) {
+ return nullptr;
+ }
+ return m_hrtfDatabase.get();
+ }
float databaseSampleRate() const { return m_databaseSampleRate; }
@@ -141,6 +147,7 @@ private:
PRThread* m_databaseLoaderThread;
float m_databaseSampleRate;
+ mozilla::Atomic<bool> m_databaseLoaded;
};
} // namespace WebCore