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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 "ByteStream.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
DDLoggedTypeDeclNameAndBase(ResourceStream, ByteStream);
class ResourceStream : public ByteStream,
public DecoderDoctorLifeLogger<ResourceStream> {
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.GetResource()->Pin();
++mPinCount;
}
void Unpin() {
mResource.GetResource()->Unpin();
MOZ_ASSERT(mPinCount);
--mPinCount;
}
protected:
virtual ~ResourceStream();
private:
mozilla::MediaResourceIndex mResource;
uint32_t mPinCount;
};
} // namespace mozilla
#endif // RESOURCESTREAM_H_