Add m-esr52 at 52.6.0

1 files changed, 62 insertions, 0 deletions

diff --git a/dom/media/fmp4/MP4Decoder.h b/dom/media/fmp4/MP4Decoder.h
new file mode 100644
index 000000000..ad5fba7b5
--- /dev/null
+++ b/dom/media/fmp4/MP4Decoder.h
@@ -0,0 +1,62 @@
+/* -*- 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(MP4Decoder_h_)
+#define MP4Decoder_h_
+
+#include "MediaDecoder.h"
+#include "MediaFormatReader.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/layers/KnowsCompositor.h"
+
+namespace mozilla {
+
+class MediaContentType;
+
+// Decoder that uses a bundled MP4 demuxer and platform decoders to play MP4.
+class MP4Decoder : public MediaDecoder
+{
+public:
+  explicit MP4Decoder(MediaDecoderOwner* aOwner);
+
+  MediaDecoder* Clone(MediaDecoderOwner* aOwner) override {
+    if (!IsEnabled()) {
+      return nullptr;
+    }
+    return new MP4Decoder(aOwner);
+  }
+
+  MediaDecoderStateMachine* CreateStateMachine() override;
+
+  // Returns true if aType is a type that we think we can render with the
+  // a MP4 platform decoder backend.
+  static bool CanHandleMediaType(const MediaContentType& aType,
+                                 DecoderDoctorDiagnostics* aDiagnostics);
+
+  // Return true if aMimeType is a one of the strings used by our demuxers to
+  // identify H264. Does not parse general content type strings, i.e. white
+  // space matters.
+  static bool IsH264(const nsACString& aMimeType);
+
+  // Return true if aMimeType is a one of the strings used by our demuxers to
+  // identify AAC. Does not parse general content type strings, i.e. white
+  // space matters.
+  static bool IsAAC(const nsACString& aMimeType);
+
+  // Returns true if the MP4 backend is preffed on.
+  static bool IsEnabled();
+
+  static already_AddRefed<dom::Promise>
+  IsVideoAccelerated(layers::KnowsCompositor* aKnowsCompositor, nsIGlobalObject* aParent);
+
+  void GetMozDebugReaderData(nsAString& aString) override;
+
+private:
+  RefPtr<MediaFormatReader> mReader;
+};
+
+} // namespace mozilla
+
+#endif