1 files changed, 52 insertions, 0 deletions
diff --git a/dom/media/mp4/MP4Decoder.h b/dom/media/mp4/MP4Decoder.h
new file mode 100644
index 0000000000..07b085929b
--- /dev/null
+++ b/dom/media/mp4/MP4Decoder.h
@@ -0,0 +1,52 @@
+/* -*- 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 "mozilla/UniquePtr.h"
+#  include "nsStringFwd.h"
+#  include "nsTArray.h"
+
+namespace mozilla {
+
+class MediaContainerType;
+class MediaResult;
+class DecoderDoctorDiagnostics;
+class TrackInfo;
+
+// Decoder that uses a bundled MP4 demuxer and platform decoders to play MP4.
+class MP4Decoder {
+ public:
+  // Returns true if aContainerType is an MP4 type that we think we can render
+  // with the a platform decoder backend.
+  // If provided, codecs are checked for support.
+  static bool IsSupportedType(const MediaContainerType& aContainerType,
+                              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 nsTArray<UniquePtr<TrackInfo>> GetTracksInfo(
+      const MediaContainerType& aType);
+
+ private:
+  static nsTArray<UniquePtr<TrackInfo>> GetTracksInfo(
+      const MediaContainerType& aType, MediaResult& aError);
+};
+
+}  // namespace mozilla
+
+#endif