Add m-esr52 at 52.6.0

1 files changed, 69 insertions, 0 deletions

diff --git a/dom/media/platforms/agnostic/VPXDecoder.h b/dom/media/platforms/agnostic/VPXDecoder.h
new file mode 100644
index 000000000..d420ec069
--- /dev/null
+++ b/dom/media/platforms/agnostic/VPXDecoder.h
@@ -0,0 +1,69 @@
+/* -*- 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/. */
+#if !defined(VPXDecoder_h_)
+#define VPXDecoder_h_
+
+#include "PlatformDecoderModule.h"
+
+#include <stdint.h>
+#define VPX_DONT_DEFINE_STDINT_TYPES
+#include "vpx/vp8dx.h"
+#include "vpx/vpx_codec.h"
+#include "vpx/vpx_decoder.h"
+
+namespace mozilla {
+
+using namespace layers;
+
+class VPXDecoder : public MediaDataDecoder
+{
+public:
+  explicit VPXDecoder(const CreateDecoderParams& aParams);
+  ~VPXDecoder();
+
+  RefPtr<InitPromise> Init() override;
+  void Input(MediaRawData* aSample) override;
+  void Flush() override;
+  void Drain() override;
+  void Shutdown() override;
+  const char* GetDescriptionName() const override
+  {
+    return "libvpx video decoder";
+  }
+
+  enum Codec: uint8_t {
+    VP8 = 1 << 0,
+    VP9 = 1 << 1
+  };
+
+  // Return true if aMimeType is a one of the strings used by our demuxers to
+  // identify VPX of the specified type. Does not parse general content type
+  // strings, i.e. white space matters.
+  static bool IsVPX(const nsACString& aMimeType, uint8_t aCodecMask=VP8|VP9);
+  static bool IsVP8(const nsACString& aMimeType);
+  static bool IsVP9(const nsACString& aMimeType);
+
+private:
+  void ProcessDecode(MediaRawData* aSample);
+  MediaResult DoDecode(MediaRawData* aSample);
+  void ProcessDrain();
+
+  const RefPtr<ImageContainer> mImageContainer;
+  const RefPtr<TaskQueue> mTaskQueue;
+  MediaDataDecoderCallback* mCallback;
+  Atomic<bool> mIsFlushing;
+
+  // VPx decoder state
+  vpx_codec_ctx_t mVPX;
+
+  const VideoInfo& mInfo;
+
+  const int mCodec;
+};
+
+} // namespace mozilla
+
+#endif