зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.2 KiB
C++
49 строки
1.2 KiB
C++
/* 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 RESOURCESTREAM_H_
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#define RESOURCESTREAM_H_
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#include "MediaResource.h"
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#include "ByteStream.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla {
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DDLoggedTypeDeclNameAndBase(ResourceStream, ByteStream);
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class ResourceStream : public ByteStream,
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public DecoderDoctorLifeLogger<ResourceStream> {
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public:
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explicit ResourceStream(mozilla::MediaResource* aResource);
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virtual bool ReadAt(int64_t offset, void* aBuffer, size_t aCount,
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size_t* aBytesRead) override;
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virtual bool CachedReadAt(int64_t aOffset, void* aBuffer, size_t aCount,
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size_t* aBytesRead) override;
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virtual bool Length(int64_t* size) override;
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void Pin() {
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mResource.GetResource()->Pin();
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++mPinCount;
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}
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void Unpin() {
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mResource.GetResource()->Unpin();
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MOZ_ASSERT(mPinCount);
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--mPinCount;
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}
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protected:
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virtual ~ResourceStream();
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private:
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mozilla::MediaResourceIndex mResource;
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uint32_t mPinCount;
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};
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} // namespace mozilla
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#endif // RESOURCESTREAM_H_
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