tenfourfox/dom/media/fmp4/MP4Decoder.h
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

46 lines
1.5 KiB
C++

/* -*- 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:
explicit MP4Decoder(MediaDecoderOwner* aOwner);
virtual MediaDecoder* Clone(MediaDecoderOwner* aOwner) override {
if (!IsEnabled()) {
return nullptr;
}
return new MP4Decoder(aOwner);
}
virtual MediaDecoderStateMachine* CreateStateMachine() override;
// Returns true if aMIMEType is a type that we think we can render with the
// a MP4 platform decoder backend. If aCodecs is non emtpy, it is filled
// with a comma-delimited list of codecs to check support for. Notes in
// out params wether the codecs string contains AAC or H.264.
static bool CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs);
static bool CanHandleMediaType(const nsAString& aMIMEType);
// Returns true if the MP4 backend is preffed on.
static bool IsEnabled();
static bool IsVideoAccelerated(layers::LayersBackend aBackend, nsACString& aReason);
};
} // namespace mozilla
#endif