mirror of
https://github.com/classilla/tenfourfox.git
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76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(nsDirectShowSource_h___)
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#define nsDirectShowSource_h___
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#include "BaseFilter.h"
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#include "BasePin.h"
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#include "MediaType.h"
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#include "nsDeque.h"
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#include "nsAutoPtr.h"
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#include "DirectShowUtils.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla {
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class MediaResource;
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class OutputPin;
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// SourceFilter is an asynchronous DirectShow source filter which
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// reads from an MediaResource, and supplies data via a pull model downstream
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// using OutputPin. It us used to supply a generic byte stream into
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// DirectShow.
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//
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// Implements:
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// * IBaseFilter
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// * IMediaFilter
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// * IPersist
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// * IUnknown
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//
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class DECLSPEC_UUID("5c2a7ad0-ba82-4659-9178-c4719a2765d6")
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SourceFilter : public media::BaseFilter
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{
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public:
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// Constructs source filter to deliver given media type.
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SourceFilter(const GUID& aMajorType, const GUID& aSubType);
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~SourceFilter();
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nsresult Init(MediaResource *aResource, int64_t aMP3Offset);
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// BaseFilter overrides.
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// Only one output - the byte stream.
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int GetPinCount() override { return 1; }
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media::BasePin* GetPin(int n) override;
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// Get's the media type we're supplying.
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const media::MediaType* GetMediaType() const;
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uint32_t GetAndResetBytesConsumedCount();
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protected:
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// Our async pull output pin.
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nsAutoPtr<OutputPin> mOutputPin;
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// Type of byte stream we output.
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media::MediaType mMediaType;
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};
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} // namespace mozilla
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// For mingw __uuidof support
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#ifdef __CRT_UUID_DECL
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__CRT_UUID_DECL(mozilla::SourceFilter, 0x5c2a7ad0,0xba82,0x4659,0x91,0x78,0xc4,0x71,0x9a,0x27,0x65,0xd6);
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#endif
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#endif
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