Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "DummyMediaDataDecoder.h"
       8             : 
       9             : namespace mozilla {
      10             : 
      11           0 : class NullVideoDataCreator : public DummyDataCreator {
      12             : public:
      13           0 :   NullVideoDataCreator() {}
      14             : 
      15           0 :   already_AddRefed<MediaData> Create(MediaRawData* aSample) override
      16             :   {
      17             :     // Create a dummy VideoData with no image. This gives us something to
      18             :     // send to media streams if necessary.
      19             :     RefPtr<VideoData> v(new VideoData(aSample->mOffset,
      20             :                                       aSample->mTime,
      21             :                                       aSample->mDuration,
      22           0 :                                       aSample->mKeyframe,
      23             :                                       aSample->mTimecode,
      24           0 :                                       gfx::IntSize(),
      25           0 :                                       0));
      26           0 :     return v.forget();
      27             :   }
      28             : };
      29             : 
      30           0 : class NullDecoderModule : public PlatformDecoderModule {
      31             : public:
      32             : 
      33             :   // Decode thread.
      34             :   already_AddRefed<MediaDataDecoder>
      35           0 :   CreateVideoDecoder(const CreateDecoderParams& aParams) override {
      36           0 :     UniquePtr<DummyDataCreator> creator = MakeUnique<NullVideoDataCreator>();
      37             :     RefPtr<MediaDataDecoder> decoder =
      38           0 :       new DummyMediaDataDecoder(Move(creator), "null media data decoder", aParams);
      39           0 :     return decoder.forget();
      40             :   }
      41             : 
      42             :   // Decode thread.
      43             :   already_AddRefed<MediaDataDecoder>
      44           0 :   CreateAudioDecoder(const CreateDecoderParams& aParams) override {
      45           0 :     MOZ_ASSERT(false, "Audio decoders are unsupported.");
      46             :     return nullptr;
      47             :   }
      48             : 
      49             :   bool
      50           0 :   SupportsMimeType(const nsACString& aMimeType,
      51             :                    DecoderDoctorDiagnostics* aDiagnostics) const override
      52             :   {
      53           0 :     return true;
      54             :   }
      55             : };
      56             : 
      57           0 : already_AddRefed<PlatformDecoderModule> CreateNullDecoderModule()
      58             : {
      59           0 :   RefPtr<PlatformDecoderModule> pdm = new NullDecoderModule();
      60           0 :   return pdm.forget();
      61             : }
      62             : 
      63             : } // namespace mozilla