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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef HLSDecoder_h_
#define HLSDecoder_h_
#include "MediaDecoder.h"
#include "mozilla/java/GeckoHLSResourceWrapperWrappers.h"
namespace mozilla {
class HLSResourceCallbacksSupport;
class HLSDecoder final : public MediaDecoder {
public:
static RefPtr<HLSDecoder> Create(MediaDecoderInit& aInit);
// Returns true if the HLS backend is pref'ed on.
static bool IsEnabled();
// Returns true if aContainerType is an HLS type that we think we can render
// with the a platform decoder backend.
// If provided, codecs are checked for support.
static bool IsSupportedType(const MediaContainerType& aContainerType);
nsresult Load(nsIChannel* aChannel);
// MediaDecoder interface.
void Play() override;
void Pause() override;
void AddSizeOfResources(ResourceSizes* aSizes) override;
already_AddRefed<nsIPrincipal> GetCurrentPrincipal() override;
bool HadCrossOriginRedirects() override;
bool IsTransportSeekable() override { return true; }
void Suspend() override;
void Resume() override;
void Shutdown() override;
// Called as data arrives on the underlying HLS player. Main thread only.
void NotifyDataArrived();
// Called when Exoplayer start to load media. Main thread only.
void NotifyLoad(nsCString aMediaUrl);
bool IsHLSDecoder() const override { return true; }
private:
friend class HLSResourceCallbacksSupport;
explicit HLSDecoder(MediaDecoderInit& aInit);
~HLSDecoder();
MediaDecoderStateMachineBase* CreateStateMachine(
bool aDisableExternalEngine) override;
bool CanPlayThroughImpl() final {
// TODO: We don't know how to estimate 'canplaythrough' for this decoder.
// For now we just return true for 'autoplay' can work.
return true;
}
void UpdateCurrentPrincipal(nsIURI* aMediaUri);
already_AddRefed<nsIPrincipal> GetContentPrincipal(nsIURI* aMediaUri);
void RecordMediaUsage(nsIURI* aMediaUri);
static size_t sAllocatedInstances; // Access only in the main thread.
nsCOMPtr<nsIChannel> mChannel;
nsCOMPtr<nsIURI> mURI;
java::GeckoHLSResourceWrapper::GlobalRef mHLSResourceWrapper;
java::GeckoHLSResourceWrapper::Callbacks::GlobalRef mJavaCallbacks;
RefPtr<HLSResourceCallbacksSupport> mCallbackSupport;
nsCOMPtr<nsIPrincipal> mContentPrincipal;
// There can be multiple media files loaded for one HLS content. Use this flag
// to ensure we only record once per content.
bool mUsageRecorded;
};
} // namespace mozilla
#endif /* HLSDecoder_h_ */
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