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12ea2c521c
which will not need to include MediaData.h. Differential Revision: https://phabricator.services.mozilla.com/D193161
120 lines
3.6 KiB
C++
120 lines
3.6 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 mozilla_dom_EncodedVideoChunk_h
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#define mozilla_dom_EncodedVideoChunk_h
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#include "js/TypeDecls.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Buffer.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsWrapperCache.h"
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class nsIGlobalObject;
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namespace mozilla {
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class MediaAlignedByteBuffer;
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class MediaRawData;
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namespace dom {
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class MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer;
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class OwningMaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer;
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class StructuredCloneHolder;
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enum class EncodedVideoChunkType : uint8_t;
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struct EncodedVideoChunkInit;
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} // namespace dom
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} // namespace mozilla
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namespace mozilla::dom {
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class EncodedVideoChunkData {
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public:
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EncodedVideoChunkData(already_AddRefed<MediaAlignedByteBuffer> aBuffer,
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const EncodedVideoChunkType& aType, int64_t aTimestamp,
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Maybe<uint64_t>&& aDuration);
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EncodedVideoChunkData(const EncodedVideoChunkData& aData) = default;
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~EncodedVideoChunkData();
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UniquePtr<EncodedVideoChunkData> Clone() const;
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already_AddRefed<MediaRawData> TakeData();
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protected:
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// mBuffer's byte length is guaranteed to be smaller than UINT32_MAX.
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RefPtr<MediaAlignedByteBuffer> mBuffer;
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EncodedVideoChunkType mType;
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int64_t mTimestamp;
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Maybe<uint64_t> mDuration;
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};
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class EncodedVideoChunk final : public EncodedVideoChunkData,
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public nsISupports,
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public nsWrapperCache {
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(EncodedVideoChunk)
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public:
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EncodedVideoChunk(nsIGlobalObject* aParent,
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already_AddRefed<MediaAlignedByteBuffer> aBuffer,
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const EncodedVideoChunkType& aType, int64_t aTimestamp,
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Maybe<uint64_t>&& aDuration);
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EncodedVideoChunk(nsIGlobalObject* aParent,
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const EncodedVideoChunkData& aData);
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protected:
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~EncodedVideoChunk() = default;
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public:
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nsIGlobalObject* GetParentObject() const;
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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static already_AddRefed<EncodedVideoChunk> Constructor(
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const GlobalObject& aGlobal, const EncodedVideoChunkInit& aInit,
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ErrorResult& aRv);
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EncodedVideoChunkType Type() const;
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int64_t Timestamp() const;
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Nullable<uint64_t> GetDuration() const;
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uint32_t ByteLength() const;
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void CopyTo(
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const MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer& aDestination,
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ErrorResult& aRv);
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// [Serializable] implementations: {Read, Write}StructuredClone
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static JSObject* ReadStructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal,
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JSStructuredCloneReader* aReader,
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const EncodedVideoChunkData& aData);
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bool WriteStructuredClone(JSStructuredCloneWriter* aWriter,
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StructuredCloneHolder* aHolder) const;
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private:
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// EncodedVideoChunk can run on either main thread or worker thread.
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void AssertIsOnOwningThread() const {
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NS_ASSERT_OWNINGTHREAD(EncodedVideoChunk);
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}
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nsCOMPtr<nsIGlobalObject> mParent;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_EncodedVideoChunk_h
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