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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
commit | 40a355a42d4a9444dc753c04c6608dade2f06a23 (patch) | |
tree | 871fc667d2de662f171103ce5ec067014ef85e61 /dom/media/webcodecs/EncodedAudioChunk.h | |
parent | Adding upstream version 124.0.1. (diff) | |
download | firefox-adbda400be353e676059e335c3c0aaf99e719475.tar.xz firefox-adbda400be353e676059e335c3c0aaf99e719475.zip |
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webcodecs/EncodedAudioChunk.h')
-rw-r--r-- | dom/media/webcodecs/EncodedAudioChunk.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/dom/media/webcodecs/EncodedAudioChunk.h b/dom/media/webcodecs/EncodedAudioChunk.h new file mode 100644 index 0000000000..53c059495a --- /dev/null +++ b/dom/media/webcodecs/EncodedAudioChunk.h @@ -0,0 +1,117 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_EncodedAudioChunk_h +#define mozilla_dom_EncodedAudioChunk_h + +#include "js/TypeDecls.h" +#include "mozilla/ErrorResult.h" +#include "mozilla/Maybe.h" +#include "mozilla/dom/BindingDeclarations.h" +#include "nsCycleCollectionParticipant.h" +#include "nsWrapperCache.h" + +class nsIGlobalObject; + +namespace mozilla { + +class MediaAlignedByteBuffer; +class MediaRawData; + +namespace dom { + +class MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer; +class OwningMaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer; +class StructuredCloneHolder; + +enum class EncodedAudioChunkType : uint8_t; +struct EncodedAudioChunkInit; + +} // namespace dom +} // namespace mozilla + +namespace mozilla::dom { + +class EncodedAudioChunkData { + public: + EncodedAudioChunkData(already_AddRefed<MediaAlignedByteBuffer> aBuffer, + const EncodedAudioChunkType& aType, int64_t aTimestamp, + Maybe<uint64_t>&& aDuration); + EncodedAudioChunkData(const EncodedAudioChunkData& aData) = default; + ~EncodedAudioChunkData() = default; + + UniquePtr<EncodedAudioChunkData> Clone() const; + already_AddRefed<MediaRawData> TakeData(); + + protected: + // mBuffer's byte length is guaranteed to be smaller than UINT32_MAX. + RefPtr<MediaAlignedByteBuffer> mBuffer; + EncodedAudioChunkType mType; + int64_t mTimestamp; + Maybe<uint64_t> mDuration; +}; + +class EncodedAudioChunk final : public EncodedAudioChunkData, + public nsISupports, + public nsWrapperCache { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(EncodedAudioChunk) + + public: + EncodedAudioChunk(nsIGlobalObject* aParent, + already_AddRefed<MediaAlignedByteBuffer> aBuffer, + const EncodedAudioChunkType& aType, int64_t aTimestamp, + Maybe<uint64_t>&& aDuration); + + EncodedAudioChunk(nsIGlobalObject* aParent, + const EncodedAudioChunkData& aData); + + protected: + ~EncodedAudioChunk() = default; + + public: + nsIGlobalObject* GetParentObject() const; + + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + static already_AddRefed<EncodedAudioChunk> Constructor( + const GlobalObject& aGlobal, const EncodedAudioChunkInit& aInit, + ErrorResult& aRv); + + EncodedAudioChunkType Type() const; + + int64_t Timestamp() const; + + Nullable<uint64_t> GetDuration() const; + + uint32_t ByteLength() const; + + void CopyTo( + const MaybeSharedArrayBufferViewOrMaybeSharedArrayBuffer& aDestination, + ErrorResult& aRv); + + // [Serializable] implementations: {Read, Write}StructuredClone + static JSObject* ReadStructuredClone(JSContext* aCx, nsIGlobalObject* aGlobal, + JSStructuredCloneReader* aReader, + const EncodedAudioChunkData& aData); + + bool WriteStructuredClone(JSStructuredCloneWriter* aWriter, + StructuredCloneHolder* aHolder) const; + + private: + // EncodedAudioChunk can run on either main thread or worker thread. + void AssertIsOnOwningThread() const { + NS_ASSERT_OWNINGTHREAD(EncodedAudioChunk); + } + + nsCOMPtr<nsIGlobalObject> mParent; +}; + +} // namespace mozilla::dom + +#endif // mozilla_dom_EncodedAudioChunk_h |