The Tor Browser / file comparison
comparison: content/media/directshow/AudioSinkFilter.h
content/media/directshow/AudioSinkFilter.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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| -1:000000000000 | 0:fd0db4db47ce |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #if !defined(AudioSinkFilter_h_) | |
| 8 #define AudioSinkFilter_h_ | |
| 9 | |
| 10 #include "BaseFilter.h" | |
| 11 #include "DirectShowUtils.h" | |
| 12 #include "nsAutoPtr.h" | |
| 13 #include "mozilla/RefPtr.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 | |
| 17 class AudioSinkInputPin; | |
| 18 class SampleSink; | |
| 19 | |
| 20 // Filter that acts as the end of the graph. Audio samples input into | |
| 21 // this filter block the calling thread, and the calling thread is | |
| 22 // unblocked when the decode thread extracts the sample. The samples | |
| 23 // input into this filter are stored in the SampleSink, where the blocking | |
| 24 // is implemented. The input pin owns the SampleSink. | |
| 25 class AudioSinkFilter: public mozilla::media::BaseFilter, | |
| 26 public IMediaSeeking | |
| 27 { | |
| 28 | |
| 29 public: | |
| 30 AudioSinkFilter(const wchar_t* aObjectName, HRESULT* aOutResult); | |
| 31 virtual ~AudioSinkFilter(); | |
| 32 | |
| 33 // Gets the input pin's sample sink. | |
| 34 SampleSink* GetSampleSink(); | |
| 35 | |
| 36 // IUnknown implementation. | |
| 37 STDMETHODIMP QueryInterface(REFIID aIId, void **aInterface); | |
| 38 STDMETHODIMP_(ULONG) AddRef(); | |
| 39 STDMETHODIMP_(ULONG) Release(); | |
| 40 | |
| 41 // -------------------------------------------------------------------- | |
| 42 // CBaseFilter methods | |
| 43 int GetPinCount (); | |
| 44 mozilla::media::BasePin* GetPin ( IN int Index); | |
| 45 STDMETHODIMP Pause (); | |
| 46 STDMETHODIMP Stop (); | |
| 47 STDMETHODIMP GetClassID ( OUT CLSID * pCLSID); | |
| 48 STDMETHODIMP Run(REFERENCE_TIME tStart); | |
| 49 // IMediaSeeking Methods... | |
| 50 | |
| 51 // We defer to SourceFilter, but we must expose the interface on | |
| 52 // the output pins. Seeking commands come upstream from the renderers, | |
| 53 // but they must be actioned at the source filters. | |
| 54 STDMETHODIMP GetCapabilities(DWORD* aCapabilities); | |
| 55 STDMETHODIMP CheckCapabilities(DWORD* aCapabilities); | |
| 56 STDMETHODIMP IsFormatSupported(const GUID* aFormat); | |
| 57 STDMETHODIMP QueryPreferredFormat(GUID* aFormat); | |
| 58 STDMETHODIMP GetTimeFormat(GUID* aFormat); | |
| 59 STDMETHODIMP IsUsingTimeFormat(const GUID* aFormat); | |
| 60 STDMETHODIMP SetTimeFormat(const GUID* aFormat); | |
| 61 STDMETHODIMP GetDuration(LONGLONG* pDuration); | |
| 62 STDMETHODIMP GetStopPosition(LONGLONG* pStop); | |
| 63 STDMETHODIMP GetCurrentPosition(LONGLONG* aCurrent); | |
| 64 STDMETHODIMP ConvertTimeFormat(LONGLONG* aTarget, | |
| 65 const GUID* aTargetFormat, | |
| 66 LONGLONG aSource, | |
| 67 const GUID* aSourceFormat); | |
| 68 STDMETHODIMP SetPositions(LONGLONG* aCurrent, | |
| 69 DWORD aCurrentFlags, | |
| 70 LONGLONG* aStop, | |
| 71 DWORD aStopFlags); | |
| 72 STDMETHODIMP GetPositions(LONGLONG* aCurrent, | |
| 73 LONGLONG* aStop); | |
| 74 STDMETHODIMP GetAvailable(LONGLONG* aEarliest, | |
| 75 LONGLONG* aLatest); | |
| 76 STDMETHODIMP SetRate(double aRate); | |
| 77 STDMETHODIMP GetRate(double* aRate); | |
| 78 STDMETHODIMP GetPreroll(LONGLONG* aPreroll); | |
| 79 | |
| 80 // -------------------------------------------------------------------- | |
| 81 // class factory calls this | |
| 82 static IUnknown * CreateInstance (IN LPUNKNOWN punk, OUT HRESULT * phr); | |
| 83 | |
| 84 private: | |
| 85 CriticalSection mFilterCritSec; | |
| 86 | |
| 87 // Note: The input pin defers its refcounting to the sink filter, so when | |
| 88 // the input pin is addrefed, what actually happens is the sink filter is | |
| 89 // addrefed. | |
| 90 nsAutoPtr<AudioSinkInputPin> mInputPin; | |
| 91 }; | |
| 92 | |
| 93 } // namespace mozilla | |
| 94 #endif // AudioSinkFilter_h_ |
