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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 MOZILLA_SOURCEBUFFERTASK_H_
#define MOZILLA_SOURCEBUFFERTASK_H_
#include "mozilla/MozPromise.h"
#include "mozilla/Pair.h"
#include "mozilla/RefPtr.h"
#include "SourceBufferAttributes.h"
#include "TimeUnits.h"
#include "MediaResult.h"
namespace mozilla {
class SourceBufferTask {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SourceBufferTask);
enum class Type {
AppendBuffer,
Abort,
Reset,
RangeRemoval,
EvictData,
Detach
};
typedef Pair<bool, SourceBufferAttributes> AppendBufferResult;
typedef MozPromise<AppendBufferResult, MediaResult, /* IsExclusive = */ true> AppendPromise;
typedef MozPromise<bool, nsresult, /* IsExclusive = */ true> RangeRemovalPromise;
virtual Type GetType() const = 0;
template<typename ReturnType>
ReturnType* As()
{
MOZ_ASSERT(this->GetType() == ReturnType::sType);
return static_cast<ReturnType*>(this);
}
protected:
virtual ~SourceBufferTask() {}
};
class AppendBufferTask : public SourceBufferTask {
public:
AppendBufferTask(MediaByteBuffer* aData,
SourceBufferAttributes aAttributes)
: mBuffer(aData)
, mAttributes(aAttributes)
{}
static const Type sType = Type::AppendBuffer;
Type GetType() const override { return Type::AppendBuffer; }
RefPtr<MediaByteBuffer> mBuffer;
SourceBufferAttributes mAttributes;
MozPromiseHolder<AppendPromise> mPromise;
};
class AbortTask : public SourceBufferTask {
public:
static const Type sType = Type::Abort;
Type GetType() const override { return Type::Abort; }
};
class ResetTask : public SourceBufferTask {
public:
static const Type sType = Type::Reset;
Type GetType() const override { return Type::Reset; }
};
class RangeRemovalTask : public SourceBufferTask {
public:
explicit RangeRemovalTask(const media::TimeInterval& aRange)
: mRange(aRange)
{}
static const Type sType = Type::RangeRemoval;
Type GetType() const override { return Type::RangeRemoval; }
media::TimeInterval mRange;
MozPromiseHolder<RangeRemovalPromise> mPromise;
};
class EvictDataTask : public SourceBufferTask {
public:
EvictDataTask(const media::TimeUnit& aPlaybackTime, int64_t aSizetoEvict)
: mPlaybackTime(aPlaybackTime)
, mSizeToEvict(aSizetoEvict)
{}
static const Type sType = Type::EvictData;
Type GetType() const override { return Type::EvictData; }
media::TimeUnit mPlaybackTime;
int64_t mSizeToEvict;
};
class DetachTask : public SourceBufferTask {
public:
static const Type sType = Type::Detach;
Type GetType() const override { return Type::Detach; }
};
} // end mozilla namespace
#endif
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