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Diffstat (limited to 'dom/media/fmp4/MP4Decoder.h')
-rw-r--r-- | dom/media/fmp4/MP4Decoder.h | 62 |
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 |