[WIP] Move media/capture to device/capture

media/capture/video/win/pin_base_win.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Implement a simple base class for a DirectShow input pin. It may only be
-// used in a single threaded apartment.
-
-#ifndef MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_
-#define MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_
-
-// Avoid including strsafe.h via dshow as it will cause build warnings.
-#define NO_DSHOW_STRSAFE
-#include <dshow.h>
-
-#include "base/memory/ref_counted.h"
-#include "base/win/scoped_comptr.h"
-
-namespace media {
-
-class PinBase : public IPin,
-                public IMemInputPin,
-                public base::RefCounted<PinBase> {
- public:
-  explicit PinBase(IBaseFilter* owner);
-
-  // Function used for changing the owner.
-  // If the owner is deleted the owner should first call this function
-  // with owner = NULL.
-  void SetOwner(IBaseFilter* owner);
-
-  // Checks if a media type is acceptable. This is called when this pin is
-  // connected to an output pin. Must return true if the media type is
-  // acceptable, false otherwise.
-  virtual bool IsMediaTypeValid(const AM_MEDIA_TYPE* media_type) = 0;
-
-  // Enumerates valid media types.
-  virtual bool GetValidMediaType(int index, AM_MEDIA_TYPE* media_type) = 0;
-
-  // Called when new media is received. Note that this is not on the same
-  // thread as where the pin is created.
-  STDMETHOD(Receive)(IMediaSample* sample) override = 0;
-
-  STDMETHOD(Connect)(IPin* receive_pin,
-                     const AM_MEDIA_TYPE* media_type) override;
-
-  STDMETHOD(ReceiveConnection)(IPin* connector,
-                               const AM_MEDIA_TYPE* media_type) override;
-
-  STDMETHOD(Disconnect)() override;
-
-  STDMETHOD(ConnectedTo)(IPin** pin) override;
-
-  STDMETHOD(ConnectionMediaType)(AM_MEDIA_TYPE* media_type) override;
-
-  STDMETHOD(QueryPinInfo)(PIN_INFO* info) override;
-
-  STDMETHOD(QueryDirection)(PIN_DIRECTION* pin_dir) override;
-
-  STDMETHOD(QueryId)(LPWSTR* id) override;
-
-  STDMETHOD(QueryAccept)(const AM_MEDIA_TYPE* media_type) override;
-
-  STDMETHOD(EnumMediaTypes)(IEnumMediaTypes** types) override;
-
-  STDMETHOD(QueryInternalConnections)(IPin** pins, ULONG* no_pins) override;
-
-  STDMETHOD(EndOfStream)() override;
-
-  STDMETHOD(BeginFlush)() override;
-
-  STDMETHOD(EndFlush)() override;
-
-  STDMETHOD(NewSegment)(REFERENCE_TIME start,
-                        REFERENCE_TIME stop,
-                        double dRate) override;
-
-  // Inherited from IMemInputPin.
-  STDMETHOD(GetAllocator)(IMemAllocator** allocator) override;
-
-  STDMETHOD(NotifyAllocator)(IMemAllocator* allocator, BOOL read_only) override;
-
-  STDMETHOD(GetAllocatorRequirements)(
-      ALLOCATOR_PROPERTIES* properties) override;
-
-  STDMETHOD(ReceiveMultiple)(IMediaSample** samples,
-                             long sample_count,
-                             long* processed) override;
-  STDMETHOD(ReceiveCanBlock)() override;
-
-  // Inherited from IUnknown.
-  STDMETHOD(QueryInterface)(REFIID id, void** object_ptr) override;
-
-  STDMETHOD_(ULONG, AddRef)() override;
-
-  STDMETHOD_(ULONG, Release)() override;
-
- protected:
-  friend class base::RefCounted<PinBase>;
-  virtual ~PinBase();
-
- private:
-  AM_MEDIA_TYPE current_media_type_;
-  base::win::ScopedComPtr<IPin> connected_pin_;
-  // owner_ is the filter owning this pin. We don't reference count it since
-  // that would create a circular reference count.
-  IBaseFilter* owner_;
-};
-
-}  // namespace media
-
-#endif  // MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_