зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
4.0 KiB
C++
112 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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 MOZILLA_MEDIASOURCERESOURCE_H_
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#define MOZILLA_MEDIASOURCERESOURCE_H_
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#include "MediaResource.h"
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#include "mozilla/Monitor.h"
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#include "mozilla/Logging.h"
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extern mozilla::LogModule* GetMediaSourceLog();
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#define MSE_DEBUG(arg, ...) MOZ_LOG(GetMediaSourceLog(), mozilla::LogLevel::Debug, ("MediaSourceResource(%p:%s)::%s: " arg, this, mType.OriginalString().Data(), __func__, ##__VA_ARGS__))
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#define UNIMPLEMENTED() MSE_DEBUG("UNIMPLEMENTED FUNCTION at %s:%d", __FILE__, __LINE__)
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namespace mozilla {
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class MediaSourceResource final : public MediaResource
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{
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public:
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explicit MediaSourceResource(nsIPrincipal* aPrincipal = nullptr)
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: mPrincipal(aPrincipal)
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// Fake-but-valid MIME type, unused but necessary to implement GetContentType().
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, mType(MEDIAMIMETYPE("application/x.mediasource"))
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, mMonitor("MediaSourceResource")
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, mEnded(false)
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{}
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nsresult Close() override { return NS_OK; }
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void Suspend(bool aCloseImmediately) override { UNIMPLEMENTED(); }
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void Resume() override { UNIMPLEMENTED(); }
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bool CanClone() override { UNIMPLEMENTED(); return false; }
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already_AddRefed<MediaResource> CloneData(MediaResourceCallback*) override { UNIMPLEMENTED(); return nullptr; }
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void SetReadMode(MediaCacheStream::ReadMode aMode) override { UNIMPLEMENTED(); }
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void SetPlaybackRate(uint32_t aBytesPerSecond) override { UNIMPLEMENTED(); }
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nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
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int64_t Tell() override { UNIMPLEMENTED(); return -1; }
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void Pin() override { UNIMPLEMENTED(); }
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void Unpin() override { UNIMPLEMENTED(); }
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double GetDownloadRate(bool* aIsReliable) override { UNIMPLEMENTED(); *aIsReliable = false; return 0; }
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int64_t GetLength() override { UNIMPLEMENTED(); return -1; }
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int64_t GetNextCachedData(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
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int64_t GetCachedDataEnd(int64_t aOffset) override { UNIMPLEMENTED(); return -1; }
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bool IsDataCachedToEndOfResource(int64_t aOffset) override { UNIMPLEMENTED(); return false; }
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bool IsSuspendedByCache() override { UNIMPLEMENTED(); return false; }
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bool IsSuspended() override { UNIMPLEMENTED(); return false; }
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nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
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nsresult Open(nsIStreamListener** aStreamListener) override { UNIMPLEMENTED(); return NS_ERROR_FAILURE; }
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already_AddRefed<nsIPrincipal> GetCurrentPrincipal() override
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{
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return RefPtr<nsIPrincipal>(mPrincipal).forget();
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}
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nsresult GetCachedRanges(MediaByteRangeSet& aRanges) override
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{
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UNIMPLEMENTED();
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aRanges += MediaByteRange(0, GetLength());
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return NS_OK;
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}
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bool IsTransportSeekable() override { return true; }
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const MediaContainerType& GetContentType() const override { return mType; }
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bool IsLiveStream() override
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{
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MonitorAutoLock mon(mMonitor);
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return !mEnded;
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}
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void SetEnded(bool aEnded)
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{
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MonitorAutoLock mon(mMonitor);
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mEnded = aEnded;
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}
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bool IsExpectingMoreData() override
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{
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MonitorAutoLock mon(mMonitor);
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return !mEnded;
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}
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private:
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size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override
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{
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size_t size = MediaResource::SizeOfExcludingThis(aMallocSizeOf);
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size += mType.SizeOfExcludingThis(aMallocSizeOf);
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return size;
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}
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override
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{
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return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
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}
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RefPtr<nsIPrincipal> mPrincipal;
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const MediaContainerType mType;
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Monitor mMonitor;
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bool mEnded; // protected by mMonitor
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};
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} // namespace mozilla
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#undef MSE_DEBUG
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#undef UNIMPLEMENTED
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#endif /* MOZILLA_MEDIASOURCERESOURCE_H_ */
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