From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/media/platforms/android/RemoteDataDecoder.h | 112 ++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 dom/media/platforms/android/RemoteDataDecoder.h

(limited to 'dom/media/platforms/android/RemoteDataDecoder.h')

diff --git a/dom/media/platforms/android/RemoteDataDecoder.h b/dom/media/platforms/android/RemoteDataDecoder.h
new file mode 100644
index 0000000000..5dfda4a7f5
--- /dev/null
+++ b/dom/media/platforms/android/RemoteDataDecoder.h
@@ -0,0 +1,112 @@
+/* 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
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