110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_SOURCEBUFFERTASK_H_
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#define MOZILLA_SOURCEBUFFERTASK_H_
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#include "mozilla/MozPromise.h"
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#include "mozilla/Pair.h"
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#include "mozilla/RefPtr.h"
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#include "SourceBufferAttributes.h"
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#include "TimeUnits.h"
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#include "MediaResult.h"
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namespace mozilla {
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class SourceBufferTask {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SourceBufferTask);
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enum class Type {
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AppendBuffer,
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Abort,
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Reset,
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RangeRemoval,
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EvictData,
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Detach
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};
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typedef Pair<bool, SourceBufferAttributes> AppendBufferResult;
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typedef MozPromise<AppendBufferResult, MediaResult, /* IsExclusive = */ true> AppendPromise;
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typedef MozPromise<bool, nsresult, /* IsExclusive = */ true> RangeRemovalPromise;
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virtual Type GetType() const = 0;
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template<typename ReturnType>
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ReturnType* As()
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{
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MOZ_ASSERT(this->GetType() == ReturnType::sType);
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return static_cast<ReturnType*>(this);
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}
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protected:
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virtual ~SourceBufferTask() {}
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};
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class AppendBufferTask : public SourceBufferTask {
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public:
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AppendBufferTask(MediaByteBuffer* aData,
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SourceBufferAttributes aAttributes)
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: mBuffer(aData)
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, mAttributes(aAttributes)
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{}
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static const Type sType = Type::AppendBuffer;
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Type GetType() const override { return Type::AppendBuffer; }
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RefPtr<MediaByteBuffer> mBuffer;
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SourceBufferAttributes mAttributes;
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MozPromiseHolder<AppendPromise> mPromise;
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};
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class AbortTask : public SourceBufferTask {
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public:
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static const Type sType = Type::Abort;
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Type GetType() const override { return Type::Abort; }
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};
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class ResetTask : public SourceBufferTask {
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public:
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static const Type sType = Type::Reset;
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Type GetType() const override { return Type::Reset; }
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};
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class RangeRemovalTask : public SourceBufferTask {
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public:
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explicit RangeRemovalTask(const media::TimeInterval& aRange)
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: mRange(aRange)
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{}
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static const Type sType = Type::RangeRemoval;
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Type GetType() const override { return Type::RangeRemoval; }
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media::TimeInterval mRange;
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MozPromiseHolder<RangeRemovalPromise> mPromise;
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};
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class EvictDataTask : public SourceBufferTask {
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public:
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EvictDataTask(const media::TimeUnit& aPlaybackTime, int64_t aSizetoEvict)
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: mPlaybackTime(aPlaybackTime)
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, mSizeToEvict(aSizetoEvict)
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{}
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static const Type sType = Type::EvictData;
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Type GetType() const override { return Type::EvictData; }
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media::TimeUnit mPlaybackTime;
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int64_t mSizeToEvict;
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};
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class DetachTask : public SourceBufferTask {
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public:
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static const Type sType = Type::Detach;
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Type GetType() const override { return Type::Detach; }
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};
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} // end mozilla namespace
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#endif |