mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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139 lines
4.6 KiB
C++
139 lines
4.6 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_MEDIASOURCEDECODER_H_
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#define MOZILLA_MEDIASOURCEDECODER_H_
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#include "MediaCache.h"
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#include "MediaDecoder.h"
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#include "MediaResource.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "nsCOMPtr.h"
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#include "nsError.h"
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#include "nsStringGlue.h"
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#include "nsTArray.h"
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class nsIPrincipal;
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class nsIStreamListener;
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namespace mozilla {
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class MediaDecoderReader;
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class MediaDecoderStateMachine;
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class SubBufferDecoder;
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namespace dom {
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class HTMLMediaElement;
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class MediaSource;
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} // namespace dom
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class MediaSourceDecoder : public MediaDecoder
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{
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public:
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MediaSourceDecoder(dom::HTMLMediaElement* aElement);
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virtual MediaDecoder* Clone() MOZ_OVERRIDE;
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virtual MediaDecoderStateMachine* CreateStateMachine() MOZ_OVERRIDE;
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virtual nsresult Load(nsIStreamListener**, MediaDecoder*) MOZ_OVERRIDE;
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virtual nsresult GetSeekable(dom::TimeRanges* aSeekable) MOZ_OVERRIDE;
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void AttachMediaSource(dom::MediaSource* aMediaSource);
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void DetachMediaSource();
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SubBufferDecoder* CreateSubDecoder(const nsACString& aType);
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const nsTArray<MediaDecoderReader*>& GetReaders()
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{
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ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
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while (mReaders.Length() == 0) {
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mon.Wait();
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}
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return mReaders;
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}
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void SetVideoReader(MediaDecoderReader* aReader)
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{
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MOZ_ASSERT(aReader && !mVideoReader);
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mVideoReader = aReader;
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}
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void SetAudioReader(MediaDecoderReader* aReader)
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{
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MOZ_ASSERT(aReader && !mAudioReader);
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mAudioReader = aReader;
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}
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MediaDecoderReader* GetVideoReader()
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{
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return mVideoReader;
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}
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MediaDecoderReader* GetAudioReader()
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{
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return mAudioReader;
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}
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private:
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dom::MediaSource* mMediaSource;
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nsTArray<nsRefPtr<SubBufferDecoder> > mDecoders;
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nsTArray<MediaDecoderReader*> mReaders; // Readers owned by Decoders.
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MediaDecoderReader* mVideoReader;
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MediaDecoderReader* mAudioReader;
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};
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class MediaSourceResource MOZ_FINAL : public MediaResource
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{
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public:
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MediaSourceResource() {}
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virtual nsresult Close() MOZ_OVERRIDE { return NS_OK; }
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virtual void Suspend(bool aCloseImmediately) MOZ_OVERRIDE {}
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virtual void Resume() MOZ_OVERRIDE {}
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virtual already_AddRefed<nsIPrincipal> GetCurrentPrincipal() MOZ_OVERRIDE { return nullptr; }
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virtual bool CanClone() MOZ_OVERRIDE { return false; }
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virtual already_AddRefed<MediaResource> CloneData(MediaDecoder* aDecoder) MOZ_OVERRIDE { return nullptr; }
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virtual void SetReadMode(MediaCacheStream::ReadMode aMode) MOZ_OVERRIDE {}
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virtual void SetPlaybackRate(uint32_t aBytesPerSecond) MOZ_OVERRIDE {}
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virtual nsresult Read(char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
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virtual nsresult ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount, uint32_t* aBytes) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
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virtual nsresult Seek(int32_t aWhence, int64_t aOffset) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
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virtual void StartSeekingForMetadata() MOZ_OVERRIDE {}
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virtual void EndSeekingForMetadata() MOZ_OVERRIDE {}
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virtual int64_t Tell() MOZ_OVERRIDE { return -1; }
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virtual void Pin() MOZ_OVERRIDE {}
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virtual void Unpin() MOZ_OVERRIDE {}
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virtual double GetDownloadRate(bool* aIsReliable) MOZ_OVERRIDE { return 0; }
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virtual int64_t GetLength() MOZ_OVERRIDE { return -1; }
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virtual int64_t GetNextCachedData(int64_t aOffset) MOZ_OVERRIDE { return aOffset; }
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virtual int64_t GetCachedDataEnd(int64_t aOffset) MOZ_OVERRIDE { return GetLength(); }
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virtual bool IsDataCachedToEndOfResource(int64_t aOffset) MOZ_OVERRIDE { return true; }
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virtual bool IsSuspendedByCache() MOZ_OVERRIDE { return false; }
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virtual bool IsSuspended() MOZ_OVERRIDE { return false; }
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virtual nsresult ReadFromCache(char* aBuffer, int64_t aOffset, uint32_t aCount) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
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virtual nsresult Open(nsIStreamListener** aStreamListener) MOZ_OVERRIDE { return NS_ERROR_FAILURE; }
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virtual nsresult GetCachedRanges(nsTArray<MediaByteRange>& aRanges) MOZ_OVERRIDE
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{
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aRanges.AppendElement(MediaByteRange(0, GetLength()));
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return NS_OK;
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}
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virtual bool IsTransportSeekable() MOZ_OVERRIDE { return true; }
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virtual const nsCString& GetContentType() const MOZ_OVERRIDE { return mType; }
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private:
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const nsAutoCString mType;
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};
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} // namespace mozilla
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#endif /* MOZILLA_MEDIASOURCEDECODER_H_ */
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