Add m-esr52 at 52.6.0

1 files changed, 72 insertions, 0 deletions

diff --git a/dom/media/platforms/ffmpeg/FFmpegDataDecoder.h b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.h
new file mode 100644
index 000000000..f9ff9d3c4
--- /dev/null
+++ b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.h
@@ -0,0 +1,72 @@
+/* -*- 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 __FFmpegDataDecoder_h__
+#define __FFmpegDataDecoder_h__
+
+#include "PlatformDecoderModule.h"
+#include "FFmpegLibWrapper.h"
+#include "mozilla/StaticMutex.h"
+#include "FFmpegLibs.h"
+
+namespace mozilla
+{
+
+template <int V>
+class FFmpegDataDecoder : public MediaDataDecoder
+{
+};
+
+template <>
+class FFmpegDataDecoder<LIBAV_VER> : public MediaDataDecoder
+{
+public:
+  FFmpegDataDecoder(FFmpegLibWrapper* aLib, TaskQueue* aTaskQueue,
+                    MediaDataDecoderCallback* aCallback,
+                    AVCodecID aCodecID);
+  virtual ~FFmpegDataDecoder();
+
+  static bool Link();
+
+  RefPtr<InitPromise> Init() override = 0;
+  void Input(MediaRawData* aSample) override;
+  void Flush() override;
+  void Drain() override;
+  void Shutdown() override;
+
+  static AVCodec* FindAVCodec(FFmpegLibWrapper* aLib, AVCodecID aCodec);
+
+protected:
+  // Flush and Drain operation, always run
+  virtual void ProcessFlush();
+  virtual void ProcessShutdown();
+  virtual void InitCodecContext() {}
+  AVFrame*        PrepareFrame();
+  nsresult        InitDecoder();
+
+  FFmpegLibWrapper* mLib;
+  MediaDataDecoderCallback* mCallback;
+
+  AVCodecContext* mCodecContext;
+  AVFrame*        mFrame;
+  RefPtr<MediaByteBuffer> mExtraData;
+  AVCodecID mCodecID;
+
+private:
+  void ProcessDecode(MediaRawData* aSample);
+  virtual MediaResult DoDecode(MediaRawData* aSample) = 0;
+  virtual void ProcessDrain() = 0;
+
+  static StaticMutex sMonitor;
+  const RefPtr<TaskQueue> mTaskQueue;
+  // Set/cleared on reader thread calling Flush() to indicate that output is
+  // not required and so input samples on mTaskQueue need not be processed.
+  Atomic<bool> mIsFlushing;
+};
+
+} // namespace mozilla
+
+#endif // __FFmpegDataDecoder_h__