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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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109
dom/media/mediasource/MediaSourceResource.h Normal file
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_MEDIASOURCERESOURCE_H_
#define MOZILLA_MEDIASOURCERESOURCE_H_
#include "MediaResource.h"
#include "mozilla/Monitor.h"
#include "mozilla/Logging.h"
extern mozilla::LogModule* GetMediaSourceLog();
#define MSE_DEBUG(arg, ...) MOZ_LOG(GetMediaSourceLog(), mozilla::LogLevel::Debug, ("MediaSourceResource(%p:%s)::%s: " arg, this, mType.get(), __func__, ##__VA_ARGS__))
#define UNIMPLEMENTED() MSE_DEBUG("UNIMPLEMENTED FUNCTION at %s:%d", __FILE__, __LINE__)
namespace mozilla {
class MediaSourceResource final : public MediaResource
{
public:
explicit MediaSourceResource(nsIPrincipal* aPrincipal = nullptr)
: mPrincipal(aPrincipal)
, mMonitor("MediaSourceResource")
, mEnded(false)
{}
nsresult Close() override { return NS_OK; }
void Suspend(bool aCloseImmediately) override { UNIMPLEMENTED(); }
void Resume() override { UNIMPLEMENTED(); }
bool CanClone() override { UNIMPLEMENTED(); return false; }
already_AddRefed<MediaResource> CloneData(MediaResourceCallback*) override { UNIMPLEMENTED(); return nullptr; }
void SetReadMode(MediaCacheStream::ReadMode aMode) override { UNIMPLEMENTED(); }
void SetPlaybackRate(uint32_t aBytesPerSecond) override { UNIMPLEMENTED(); }
nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
int64_t Tell() override { UNIMPLEMENTED(); return -1; }
void Pin() override { UNIMPLEMENTED(); }
void Unpin() override { UNIMPLEMENTED(); }
double GetDownloadRate(bool* aIsReliable) override { UNIMPLEMENTED(); *aIsReliable = false; return 0; }
int64_t GetLength() override { UNIMPLEMENTED(); return -1; }
int64_t GetNextCachedData(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
int64_t GetCachedDataEnd(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
bool IsDataCachedToEndOfResource(int64_t aOffset) override { UNIMPLEMENTED(); return false; }
bool IsSuspendedByCache() override { UNIMPLEMENTED(); return false; }
bool IsSuspended() override { UNIMPLEMENTED(); return false; }
nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
nsresult Open(nsIStreamListener** aStreamListener) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
already_AddRefed<nsIPrincipal> GetCurrentPrincipal() override
{
return RefPtr<nsIPrincipal>(mPrincipal).forget();
}
nsresult GetCachedRanges(MediaByteRangeSet& aRanges) override
{
UNIMPLEMENTED();
aRanges += MediaByteRange(0, GetLength());
return NS_OK;
}
bool IsTransportSeekable() override { return true; }
const nsCString& GetContentType() const override { return mType; }
bool IsLiveStream() override
{
MonitorAutoLock mon(mMonitor);
return !mEnded;
}
void SetEnded(bool aEnded)
{
MonitorAutoLock mon(mMonitor);
mEnded = aEnded;
}
bool IsExpectingMoreData() override
{
MonitorAutoLock mon(mMonitor);
return !mEnded;
}
private:
size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override
{
size_t size = MediaResource::SizeOfExcludingThis(aMallocSizeOf);
size += mType.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
return size;
}
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override
{
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}
RefPtr<nsIPrincipal> mPrincipal;
const nsCString mType;
Monitor mMonitor;
bool mEnded; // protected by mMonitor
};
} // namespace mozilla
#undef MSE_DEBUG
#undef UNIMPLEMENTED
#endif /* MOZILLA_MEDIASOURCERESOURCE_H_ */