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 /* -*- 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"

 namespace mozilla {

 // Decoder that uses a bundled MP4 demuxer and platform decoders to play MP4.

 class MP4Decoder : public MediaDecoder

 {

 public:

   virtual MediaDecoder* Clone() {

     if (!IsEnabled()) {

       return nullptr;

     }

     return new MP4Decoder();

   }

   virtual MediaDecoderStateMachine* CreateStateMachine();

   // Returns true if aType is a MIME type that we can render with the

   // a MP4 platform decoder backend. If aCodecList is non null,

   // it is filled with a (static const) null-terminated list of strings

   // denoting the codecs we'll playback.

   static bool GetSupportedCodecs(const nsACString& aType,

                                  char const *const ** aCodecList);

   // Returns true if the MP4 backend is preffed on, and we're running on a

   // platform that is likely to have decoders for the contained formats.

   static bool IsEnabled();

 };

 } // namespace mozilla

 #endif