import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/platforms/android/MediaCodecDataDecoder.h

@@ -0,0 +1,126 @@
+/* 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 MediaCodecDataDecoder_h_
+#define MediaCodecDataDecoder_h_
+
+#include "AndroidDecoderModule.h"
+
+#include "MediaCodec.h"
+#include "SurfaceTexture.h"
+#include "TimeUnits.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/Maybe.h"
+
+#include <deque>
+
+namespace mozilla {
+
+typedef std::deque<RefPtr<MediaRawData>> SampleQueue;
+
+class MediaCodecDataDecoder : public MediaDataDecoder {
+public:
+  static MediaDataDecoder* CreateAudioDecoder(const AudioInfo& aConfig,
+                                              java::sdk::MediaFormat::Param aFormat,
+                                              MediaDataDecoderCallback* aCallback);
+
+  static MediaDataDecoder* CreateVideoDecoder(const VideoInfo& aConfig,
+                                              java::sdk::MediaFormat::Param aFormat,
+                                              MediaDataDecoderCallback* aCallback,
+                                              layers::ImageContainer* aImageContainer);
+
+  virtual ~MediaCodecDataDecoder();
+
+  RefPtr<MediaDataDecoder::InitPromise> Init() override;
+  void Flush() override;
+  void Drain() override;
+  void Shutdown() override;
+  void Input(MediaRawData* aSample) override;
+  const char* GetDescriptionName() const override
+  {
+    return "Android MediaCodec decoder";
+  }
+
+protected:
+  enum class ModuleState : uint8_t {
+    kDecoding = 0,
+    kFlushing,
+    kDrainQueue,
+    kDrainDecoder,
+    kDrainWaitEOS,
+    kStopping,
+    kShutdown
+  };
+
+  friend class AndroidDecoderModule;
+
+  MediaCodecDataDecoder(MediaData::Type aType,
+                        const nsACString& aMimeType,
+                        java::sdk::MediaFormat::Param aFormat,
+                        MediaDataDecoderCallback* aCallback);
+
+  static const char* ModuleStateStr(ModuleState aState);
+
+  virtual nsresult InitDecoder(java::sdk::Surface::Param aSurface);
+
+  virtual nsresult Output(java::sdk::BufferInfo::Param aInfo, void* aBuffer,
+      java::sdk::MediaFormat::Param aFormat, const media::TimeUnit& aDuration)
+  {
+    return NS_OK;
+  }
+
+  virtual nsresult PostOutput(java::sdk::BufferInfo::Param aInfo,
+      java::sdk::MediaFormat::Param aFormat, const media::TimeUnit& aDuration)
+  {
+    return NS_OK;
+  }
+
+  virtual void Cleanup() {};
+
+  nsresult ResetInputBuffers();
+  nsresult ResetOutputBuffers();
+
+  nsresult GetInputBuffer(JNIEnv* env, int index, jni::Object::LocalRef* buffer);
+  bool WaitForInput();
+  already_AddRefed<MediaRawData> PeekNextSample();
+  nsresult QueueSample(const MediaRawData* aSample);
+  nsresult QueueEOS();
+  void HandleEOS(int32_t aOutputStatus);
+  Maybe<media::TimeUnit> GetOutputDuration();
+  nsresult ProcessOutput(java::sdk::BufferInfo::Param aInfo,
+                         java::sdk::MediaFormat::Param aFormat,
+                         int32_t aStatus);
+  // Sets decoder state and returns whether the new state has become effective.
+  bool SetState(ModuleState aState);
+  void DecoderLoop();
+
+  virtual void ClearQueue();
+
+  MediaData::Type mType;
+
+  nsAutoCString mMimeType;
+  java::sdk::MediaFormat::GlobalRef mFormat;
+
+  MediaDataDecoderCallback* mCallback;
+
+  java::sdk::MediaCodec::GlobalRef mDecoder;
+
+  jni::ObjectArray::GlobalRef mInputBuffers;
+  jni::ObjectArray::GlobalRef mOutputBuffers;
+
+  nsCOMPtr<nsIThread> mThread;
+
+  // Only these members are protected by mMonitor.
+  Monitor mMonitor;
+
+  ModuleState mState;
+
+  SampleQueue mQueue;
+  // Durations are stored in microseconds.
+  std::deque<media::TimeUnit> mDurations;
+};
+
+} // namespace mozilla
+
+#endif