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/* 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 RESOURCESTREAM_H_
#define RESOURCESTREAM_H_
#include "MediaResource.h"
#include "mp4_demuxer/Stream.h"
#include "mozilla/RefPtr.h"
namespace mp4_demuxer
{
class ResourceStream : public Stream
{
public:
explicit ResourceStream(mozilla::MediaResource* aResource);
virtual bool ReadAt(int64_t offset, void* aBuffer, size_t aCount,
size_t* aBytesRead) override;
virtual bool CachedReadAt(int64_t aOffset, void* aBuffer, size_t aCount,
size_t* aBytesRead) override;
virtual bool Length(int64_t* size) override;
void Pin()
{
mResource->Pin();
++mPinCount;
}
void Unpin()
{
mResource->Unpin();
MOZ_ASSERT(mPinCount);
--mPinCount;
}
protected:
virtual ~ResourceStream();
private:
RefPtr<mozilla::MediaResource> mResource;
uint32_t mPinCount;
};
}
#endif // RESOURCESTREAM_H_
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