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-rw-r--r--dom/media/platforms/android/RemoteDataDecoder.h112
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diff --git a/dom/media/platforms/android/RemoteDataDecoder.h b/dom/media/platforms/android/RemoteDataDecoder.h
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+/* 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 RemoteDataDecoder_h_
+#define RemoteDataDecoder_h_
+
+#include "AndroidDecoderModule.h"
+#include "SurfaceTexture.h"
+#include "TimeUnits.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/java/CodecProxyWrappers.h"
+
+namespace mozilla {
+
+DDLoggedTypeDeclNameAndBase(RemoteDataDecoder, MediaDataDecoder);
+
+class RemoteDataDecoder : public MediaDataDecoder,
+ public DecoderDoctorLifeLogger<RemoteDataDecoder> {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteDataDecoder, final);
+
+ static already_AddRefed<MediaDataDecoder> CreateAudioDecoder(
+ const CreateDecoderParams& aParams, const nsString& aDrmStubId,
+ CDMProxy* aProxy);
+
+ static already_AddRefed<MediaDataDecoder> CreateVideoDecoder(
+ const CreateDecoderParams& aParams, const nsString& aDrmStubId,
+ CDMProxy* aProxy);
+
+ RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
+ RefPtr<DecodePromise> Drain() override;
+ RefPtr<FlushPromise> Flush() override;
+ RefPtr<ShutdownPromise> Shutdown() override;
+ nsCString GetDescriptionName() const override {
+ return "android decoder (remote)"_ns;
+ }
+
+ protected:
+ virtual ~RemoteDataDecoder() = default;
+ RemoteDataDecoder(MediaData::Type aType, const nsACString& aMimeType,
+ java::sdk::MediaFormat::Param aFormat,
+ const nsString& aDrmStubId);
+
+ // Methods only called on mThread.
+ void UpdateInputStatus(int64_t aTimestamp, bool aProcessed);
+ void UpdateOutputStatus(RefPtr<MediaData>&& aSample);
+ void ReturnDecodedData();
+ void DrainComplete();
+ void Error(const MediaResult& aError);
+ void AssertOnThread() const {
+ // mThread may not be set if Init hasn't been called first.
+ MOZ_ASSERT(!mThread || mThread->IsOnCurrentThread());
+ }
+
+ enum class State { DRAINED, DRAINABLE, DRAINING, SHUTDOWN };
+ void SetState(State aState) {
+ AssertOnThread();
+ mState = aState;
+ }
+ State GetState() const {
+ AssertOnThread();
+ return mState;
+ }
+
+ // Whether the sample will be used.
+ virtual bool IsUsefulData(const RefPtr<MediaData>& aSample) { return true; }
+
+ MediaData::Type mType;
+
+ nsAutoCString mMimeType;
+ java::sdk::MediaFormat::GlobalRef mFormat;
+
+ java::CodecProxy::GlobalRef mJavaDecoder;
+ java::CodecProxy::NativeCallbacks::GlobalRef mJavaCallbacks;
+ nsString mDrmStubId;
+
+ nsCOMPtr<nsISerialEventTarget> mThread;
+
+ // Preallocated Java object used as a reusable storage for input buffer
+ // information. Contents must be changed only on mThread.
+ java::sdk::MediaCodec::BufferInfo::GlobalRef mInputBufferInfo;
+
+ // Session ID attached to samples. It is returned by CodecProxy::Input().
+ // Accessed on mThread only.
+ int64_t mSession;
+
+ private:
+ enum class PendingOp { INCREASE, DECREASE, CLEAR };
+ void UpdatePendingInputStatus(PendingOp aOp);
+ size_t HasPendingInputs() {
+ AssertOnThread();
+ return mNumPendingInputs > 0;
+ }
+
+ // Returns true if we are in a state which requires a new decoder to be
+ // created. In this case all errors will be reported as
+ // NS_ERROR_DOM_MEDIA_NEED_NEW_DECODER to avoid reporting errors as fatal when
+ // they can be fixed with a new decoder.
+ virtual bool NeedsNewDecoder() const { return false; }
+
+ // The following members must only be accessed on mThread.
+ MozPromiseHolder<DecodePromise> mDecodePromise;
+ MozPromiseHolder<DecodePromise> mDrainPromise;
+ DecodedData mDecodedData;
+ State mState = State::DRAINED;
+ size_t mNumPendingInputs;
+};
+
+} // namespace mozilla
+
+#endif