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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"
#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 bool IsVideoAccelerated(layers::KnowsCompositor* aKnowsCompositor, nsACString& aFailureReason);
void GetMozDebugReaderData(nsAString& aString) override;
private:
RefPtr<MediaFormatReader> mReader;
};
} // namespace mozilla
#endif
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