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AudioEncoder.h (2310B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_AudioEncoder_h
      8 #define mozilla_dom_AudioEncoder_h
      9 
     10 #include "EncoderAgent.h"
     11 #include "EncoderTypes.h"
     12 #include "js/TypeDecls.h"
     13 #include "mozilla/ErrorResult.h"
     14 #include "mozilla/RefPtr.h"
     15 #include "mozilla/dom/AudioData.h"
     16 #include "mozilla/dom/BindingDeclarations.h"
     17 #include "mozilla/dom/EncoderTemplate.h"
     18 #include "nsCycleCollectionParticipant.h"
     19 
     20 class nsIGlobalObject;
     21 
     22 namespace mozilla::dom {
     23 
     24 class AudioDataOutputCallback;
     25 class EncodedAudioChunk;
     26 class EncodedAudioChunkData;
     27 class EventHandlerNonNull;
     28 class GlobalObject;
     29 class Promise;
     30 class WebCodecsErrorCallback;
     31 struct AudioEncoderConfig;
     32 struct AudioEncoderInit;
     33 
     34 }  // namespace mozilla::dom
     35 
     36 namespace mozilla::dom {
     37 
     38 class AudioEncoder final : public EncoderTemplate<AudioEncoderTraits> {
     39 public:
     40  NS_DECL_ISUPPORTS_INHERITED
     41  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioEncoder, DOMEventTargetHelper)
     42 
     43 public:
     44  AudioEncoder(nsIGlobalObject* aParent,
     45               RefPtr<WebCodecsErrorCallback>&& aErrorCallback,
     46               RefPtr<EncodedAudioChunkOutputCallback>&& aOutputCallback);
     47 
     48 protected:
     49  ~AudioEncoder();
     50 
     51 public:
     52  JSObject* WrapObject(JSContext* aCx,
     53                       JS::Handle<JSObject*> aGivenProto) override;
     54 
     55  static already_AddRefed<AudioEncoder> Constructor(
     56      const GlobalObject& aGlobal, const AudioEncoderInit& aInit,
     57      ErrorResult& aRv);
     58 
     59  static already_AddRefed<Promise> IsConfigSupported(
     60      const GlobalObject& aGlobal, const AudioEncoderConfig& aConfig,
     61      ErrorResult& aRv);
     62 
     63 protected:
     64  virtual RefPtr<EncodedAudioChunk> EncodedDataToOutputType(
     65      nsIGlobalObject* aGlobalObject,
     66      const RefPtr<MediaRawData>& aData) override;
     67 
     68  virtual void EncoderConfigToDecoderConfig(
     69      JSContext* aCx, const RefPtr<MediaRawData>& aRawData,
     70      const AudioEncoderConfigInternal& aSrcConfig,
     71      AudioDecoderConfig& aDestConfig) const override;
     72 };
     73 
     74 }  // namespace mozilla::dom
     75 
     76 #endif  // mozilla_dom_AudioEncoder_h