tenfourfox/dom/media/webm/WebMDecoder.h

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2017-04-19 07:56:45 +00:00
/* -*- 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(WebMDecoder_h_)
#define WebMDecoder_h_
#include "MediaDecoder.h"
namespace mozilla {
class WebMDecoder : public MediaDecoder
{
public:
explicit WebMDecoder(MediaDecoderOwner* aOwner) : MediaDecoder(aOwner) {}
virtual MediaDecoder* Clone(MediaDecoderOwner* aOwner) {
if (!IsWebMEnabled()) {
return nullptr;
}
return new WebMDecoder(aOwner);
}
virtual MediaDecoderStateMachine* CreateStateMachine();
// Returns true if the WebM backend is preffed on.
static bool IsEnabled();
// Returns true if aMIMEType is a type that we think we can render with the
// a WebM 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 whether the codecs string contains Opus/Vorbis or VP8/VP9.
static bool CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
const nsAString& aCodecs);
};
} // namespace mozilla
#endif