Android implementation of WebAudio audio file decoder

media/base/media_android.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/base/media.h"
+
+#include <cpu-features.h>
+
+#include "base/logging.h"
+
+namespace media {
+
+// Caches the result of the check for NEON support.
+static bool g_media_library_is_initialized = false;
+
+bool InitializeMediaLibrary(const base::FilePath& module_dir) {
+  // No real initialization is necessary but we do need to check if
+  // Neon is supported because the FFT library requires Neon.
+  g_media_library_is_initialized = (android_getCpuFeatures() &
+                                    ANDROID_CPU_ARM_FEATURE_NEON) != 0;
+  return g_media_library_is_initialized;
+}
+
+void InitializeMediaLibraryForTesting() {
+}
+
+bool IsMediaLibraryInitialized() {
+  return g_media_library_is_initialized;
+}
+
+}  // namespace media