/* -*- 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/. */
#include "DummyMediaDataDecoder.h"
#include "ImageContainer.h"
#include "mozilla/StaticPrefs_media.h"
namespace mozilla {
class NullVideoDataCreator :
public DummyDataCreator {
public:
NullVideoDataCreator() =
default;
already_AddRefed<MediaData> Create(MediaRawData* aSample) override {
// Create a dummy VideoData with an empty image. This gives us something to
// send to media streams if necessary.
RefPtr<layers::PlanarYCbCrImage> image =
new layers::RecyclingPlanarYCbCrImage(
new layers::BufferRecycleBin());
return VideoData::CreateFromImage(gfx::IntSize(), aSample->mOffset,
aSample->mTime, aSample->mDuration, image,
aSample->mKeyframe, aSample->mTimecode);
}
};
class NullDecoderModule :
public PlatformDecoderModule {
public:
// Decode thread.
already_AddRefed<MediaDataDecoder> CreateVideoDecoder(
const CreateDecoderParams& aParams) override {
if (StaticPrefs::media_test_null_decoder_creation_failure()) {
return nullptr;
}
UniquePtr<DummyDataCreator> creator = MakeUnique<NullVideoDataCreator>();
RefPtr<MediaDataDecoder> decoder =
new DummyMediaDataDecoder(
std::move(creator),
"null media data decoder"_ns, aParams);
return decoder.forget();
}
// Decode thread.
already_AddRefed<MediaDataDecoder> CreateAudioDecoder(
const CreateDecoderParams& aParams) override {
MOZ_ASSERT(
false,
"Audio decoders are unsupported.");
return nullptr;
}
media::DecodeSupportSet SupportsMimeType(
const nsACString& aMimeType,
DecoderDoctorDiagnostics* aDiagnostics)
const override {
return media::DecodeSupport::SoftwareDecode;
}
};
already_AddRefed<PlatformDecoderModule> CreateNullDecoderModule() {
RefPtr<PlatformDecoderModule> pdm =
new NullDecoderModule();
return pdm.forget();
}
}
// namespace mozilla
