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// 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 "base/files/file_path.h"
#include "base/lazy_instance.h"
#include "base/path_service.h"
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "media/base/yuv_convert.h"
#if !defined(MEDIA_DISABLE_FFMPEG)
#include "media/ffmpeg/ffmpeg_common.h"
#endif
namespace media {
// Media must only be initialized once, so use a LazyInstance to ensure this.
class MediaInitializer {
private:
friend struct base::DefaultLazyInstanceTraits<MediaInitializer>;
MediaInitializer() {
// Perform initialization of libraries which require runtime CPU detection.
InitializeCPUSpecificYUVConversions();
#if !defined(MEDIA_DISABLE_FFMPEG)
// Initialize CPU flags outside of the sandbox as this may query /proc for
// details on the current CPU for NEON, VFP, etc optimizations.
av_get_cpu_flags();
// Disable logging as it interferes with layout tests.
av_log_set_level(AV_LOG_QUIET);
#if defined(ALLOCATOR_SHIM)
// Remove allocation limit from ffmpeg, so calls go down to shim layer.
av_max_alloc(0);
#endif // defined(ALLOCATOR_SHIM)
#endif // !defined(MEDIA_DISABLE_FFMPEG)
}
~MediaInitializer() {
NOTREACHED() << "MediaInitializer should be leaky!";
}
DISALLOW_COPY_AND_ASSIGN(MediaInitializer);
};
static base::LazyInstance<MediaInitializer>::Leaky g_media_library =
LAZY_INSTANCE_INITIALIZER;
void InitializeMediaLibrary() {
g_media_library.Get();
}
} // namespace media
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