46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __FFVPXRuntimeLinker_h__
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#define __FFVPXRuntimeLinker_h__
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#include "PlatformDecoderModule.h"
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#include "PlatformEncoderModule.h"
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#include "mozilla/StaticMutex.h"
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#include "mozilla/ThreadSafety.h"
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#include "ffvpx/tx.h"
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struct FFmpegFFTFuncs {
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decltype(av_tx_init)* init;
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decltype(av_tx_uninit)* uninit;
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};
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namespace mozilla {
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class FFVPXRuntimeLinker {
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public:
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static bool Init() MOZ_EXCLUDES(sMutex);
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static already_AddRefed<PlatformDecoderModule> CreateDecoder();
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static already_AddRefed<PlatformEncoderModule> CreateEncoder();
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// Call (on any thread) after Init().
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static void GetFFTFuncs(FFmpegFFTFuncs* aOutFuncs);
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private:
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// Provide critical-section for Init() and sLinkStatus.
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static StaticMutex sMutex;
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// Set once on the main thread and then read from other threads.
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static enum LinkStatus {
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LinkStatus_INIT = 0,
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LinkStatus_FAILED,
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LinkStatus_SUCCEEDED
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} sLinkStatus MOZ_GUARDED_BY(sMutex);
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};
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} // namespace mozilla
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#endif /* __FFVPXRuntimeLinker_h__ */
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