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913 lines
29 KiB
Plaintext
913 lines
29 KiB
Plaintext
//==========================================================================;
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (c) 1992 - 2002 Microsoft Corporation. All Rights Reserved.
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//
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//--------------------------------------------------------------------------;
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// Neutral/English language type library for basic Quartz control interfaces
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// the quartz type library defines the basic control interfaces
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[
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uuid(56a868b0-0ad4-11ce-b03a-0020af0ba770),
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helpstring("ActiveMovie control type library"),
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lcid(0x0000),
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version(1.0)
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]
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library QuartzTypeLib
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{
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importlib("STDOLE2.TLB");
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// types are restricted to be automation-compatible
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typedef double REFTIME; // ReferenceTime
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typedef LONG_PTR OAEVENT; // should be a HANDLE
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typedef LONG_PTR OAHWND; // should be an hwnd
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// from strmif.idl
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typedef long OAFilterState;
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// collection interface - represents a collection of IUnknowns
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// this is used below to collect filter-info objects, registry-filters
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// pin-info objects and wrapped media type objects
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[
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uuid(56a868b9-0ad4-11ce-b03a-0020af0ba770),
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helpstring("Collection"),
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odl,
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oleautomation,
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dual
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]
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interface IAMCollection : IDispatch
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{
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// number of items in collection
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[propget]
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HRESULT Count(
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[out, retval] LONG* plCount);
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// return IUnknown for contained item by index
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HRESULT Item(
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[in] long lItem,
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[out] IUnknown** ppUnk);
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// return IUnknown for an object that implements IEnumVARIANT on
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// this collection
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[propget]
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HRESULT _NewEnum(
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[out, retval] IUnknown** ppUnk);
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}
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// core control providing state control
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[
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uuid(56a868b1-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IMediaControl interface"),
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odl,
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oleautomation,
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dual
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]
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interface IMediaControl : IDispatch
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{
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// methods
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HRESULT Run();
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HRESULT Pause();
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HRESULT Stop();
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//returns the state. same semantics as IMediaFilter::GetState
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HRESULT GetState(
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[in] LONG msTimeout,
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[out] OAFilterState* pfs);
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// adds and connects filters needed to play the specified file
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// (same as IFilterGraph::RenderFile)
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HRESULT RenderFile(
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[in] BSTR strFilename);
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// adds to the graph the source filter that can read this file,
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// and returns an IFilterInfo object for it (actually returns
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// an IDispatch for the IFilterInfo object).
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HRESULT AddSourceFilter(
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[in] BSTR strFilename,
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[out] IDispatch**ppUnk);
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// get a collection of IFilterInfo objects representing the
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// filters in the graph (returns IDispatch for an object
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// that supports IAMCollection
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[propget]
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HRESULT FilterCollection(
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[out, retval] IDispatch** ppUnk);
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// get a collection of IRegFilter objects representing the
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// filters available in the registry
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[propget]
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HRESULT RegFilterCollection(
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[out, retval] IDispatch** ppUnk);
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HRESULT StopWhenReady();
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}
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// provides an event notification scheme passing events
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// asynchronously to applications. See also IMediaEventSink in
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// strmif.idl and sdk\h\evcodes.h.
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//
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// this interface behaves as if events are held on a queue. A call to
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// IMediaEventSink::Notify will place an event on this queue. Calling
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// GetEvent removes the first item off the queue and returns it. Items are
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// returned in the order they were queued (there is no priority scheme).
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// The event handle is in a signalled state iff the queue is non-empty.
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//
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// Apps that issue multiple Run calls without always picking up the
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// completion events are advised to call GetEvent or WaitForCompletion
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// (with a 0 timeout) repeatedly to remove all events from the queue
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// when in stopped or paused state before each Run method.
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//
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// Parameters to events are actually LONG, IUnknown* or BSTR. You need to
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// look at evcode.h for details of parameters to a specific event code.
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// In order to correctly free resources, always call FreeEventParams
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// after receiving an event.
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//
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[
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uuid(56a868b6-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IMediaEvent interface"),
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odl,
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oleautomation,
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dual
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]
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interface IMediaEvent : IDispatch
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{
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// get back the event handle. This is manual-reset
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// (don't - it's reset by the event mechanism) and remains set
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// when events are queued, and reset when the queue is empty.
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HRESULT GetEventHandle(
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[out] OAEVENT * hEvent);
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// remove the next event notification from the head of the queue and
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// return it. Waits up to msTimeout millisecs if there are no events.
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// if a timeout occurs without any events, this method will return
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// E_ABORT, and the value of the event code and other parameters
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// is undefined.
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//
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// If this call returns successfully the caller MUST call
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// FreeEventParams(lEventCode, lParam1, lParam2) to release
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// resources held inside the event arguments
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//
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HRESULT GetEvent(
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[out] long * lEventCode,
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[out] LONG_PTR * lParam1,
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[out] LONG_PTR * lParam2,
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[in] long msTimeout
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);
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// Calls GetEvent repeatedly discarding events until it finds a
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// completion event (EC_COMPLETE, EC_ERRORABORT, or EC_USERABORT).
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// The completion event is removed from the queue and returned
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// in pEvCode. Note that the object is still in running mode until
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// a Pause or Stop call is made.
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// If the timeout occurs, *pEvCode will be 0 and E_ABORT will be
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// returned.
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HRESULT WaitForCompletion(
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[in] long msTimeout,
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[out] long * pEvCode);
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// cancels any system handling of the specified event code
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// and ensures that the events are passed straight to the application
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// (via GetEvent) and not handled. A good example of this is
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// EC_REPAINT: default handling for this ensures the painting of the
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// window and does not get posted to the app.
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HRESULT CancelDefaultHandling(
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[in] long lEvCode);
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// restore the normal system default handling that may have been
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// cancelled by CancelDefaultHandling().
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HRESULT RestoreDefaultHandling( [in] long lEvCode);
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// Free any resources associated with the parameters to an event.
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// Event parameters may be LONGs, IUnknown* or BSTR. No action
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// is taken with LONGs. IUnknown are passed addrefed and need a
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// Release call. BSTR are allocated by the task allocator and will be
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// freed by calling the task allocator.
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HRESULT FreeEventParams(
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[in] long lEvCode,
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[in] LONG_PTR lParam1,
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[in] LONG_PTR lParam2
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);
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}
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[
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uuid(56a868c0-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IMediaEventEx interface"),
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odl
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]
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interface IMediaEventEx : IMediaEvent
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{
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// Register a window to send messages to when events occur
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// Parameters:
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//
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// hwnd - handle of window to notify -
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// pass NULL to stop notification
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// lMsg - Message id to pass messages with
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// lInstanceData - will come back in lParam
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//
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// The event information must still be retrived by a call
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// to GetEvent when the window message is received.
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//
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// Multiple events may be notified with one window message.
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//
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HRESULT SetNotifyWindow(
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[in] OAHWND hwnd,
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[in] long lMsg,
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[in] LONG_PTR lInstanceData
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);
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// Turn events notification on or off
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// lNoNotify = 0x00 event notification is ON
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// lNoNotify = 0x01 event notification is OFF. The
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// handle returned by GetEventHandle will be signalled at
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// end of stream
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HRESULT SetNotifyFlags(
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[in] long lNoNotifyFlags
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);
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HRESULT GetNotifyFlags(
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[out] long *lplNoNotifyFlags
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);
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}
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// seek/cueing for positional media
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[
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uuid(56a868b2-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IMediaPosition interface"),
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odl,
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oleautomation,
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dual
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]
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interface IMediaPosition : IDispatch
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{
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// properties
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[propget]
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HRESULT Duration(
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[out, retval] REFTIME* plength);
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[propput]
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HRESULT CurrentPosition(
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[in] REFTIME llTime);
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[propget]
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HRESULT CurrentPosition(
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[out, retval] REFTIME* pllTime);
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[propget]
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HRESULT StopTime(
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[out, retval] REFTIME* pllTime);
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[propput]
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HRESULT StopTime(
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[in] REFTIME llTime);
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[propget]
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HRESULT PrerollTime(
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[out, retval] REFTIME* pllTime);
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[propput]
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HRESULT PrerollTime(
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[in] REFTIME llTime);
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[propput]
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HRESULT Rate(
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[in] double dRate);
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[propget]
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HRESULT Rate(
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[out, retval] double * pdRate);
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HRESULT CanSeekForward([out, retval] LONG *pCanSeekForward);
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HRESULT CanSeekBackward([out, retval] LONG *pCanSeekBackward);
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}
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// basic audio-related functionality
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[
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uuid(56a868b3-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IBasicAudio interface"),
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odl,
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oleautomation,
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dual
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]
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interface IBasicAudio : IDispatch
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{
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// properties
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[propput]
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HRESULT Volume(
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[in] long lVolume);
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[propget]
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HRESULT Volume(
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[out, retval] long * plVolume);
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[propput]
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HRESULT Balance(
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[in] long lBalance);
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[propget]
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HRESULT Balance(
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[out, retval] long * plBalance);
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}
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// basic window-related functionality
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[
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uuid(56a868b4-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IVideoWindow interface"),
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odl,
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oleautomation,
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dual
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]
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interface IVideoWindow : IDispatch
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{
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// properties
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// set and get the window title caption
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[propput]
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HRESULT Caption([in] BSTR strCaption);
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[propget]
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HRESULT Caption([out, retval] BSTR *strCaption);
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// change the window styles (as per Win32)
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[propput]
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HRESULT WindowStyle([in] long WindowStyle);
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[propget]
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HRESULT WindowStyle([out, retval] long *WindowStyle);
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// change the extended window styles (as per Win32)
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[propput]
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HRESULT WindowStyleEx([in] long WindowStyleEx);
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[propget]
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HRESULT WindowStyleEx([out, retval] long *WindowStyleEx);
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[propput]
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HRESULT AutoShow([in] long AutoShow);
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[propget]
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HRESULT AutoShow([out, retval] long *AutoShow);
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// change the window state (as per Win32)
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[propput]
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HRESULT WindowState([in] long WindowState);
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[propget]
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HRESULT WindowState([out, retval] long *WindowState);
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// realise the palette in the background
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[propput]
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HRESULT BackgroundPalette([in] long BackgroundPalette);
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[propget]
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HRESULT BackgroundPalette([out, retval] long *pBackgroundPalette);
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// affect the visibility of the window
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[propput]
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HRESULT Visible([in] long Visible);
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[propget]
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HRESULT Visible([out, retval] long *pVisible);
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// change the desktop position of the video window
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[propput]
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HRESULT Left([in] long Left);
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[propget]
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HRESULT Left([out, retval] long *pLeft);
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[propput]
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HRESULT Width([in] long Width);
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[propget]
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HRESULT Width([out, retval] long *pWidth);
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[propput]
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HRESULT Top([in] long Top);
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[propget]
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HRESULT Top([out, retval] long *pTop);
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[propput]
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HRESULT Height([in] long Height);
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[propget]
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HRESULT Height([out, retval] long *pHeight);
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// change the owning window of the video
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[propput]
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HRESULT Owner([in] OAHWND Owner);
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[propget]
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HRESULT Owner([out, retval] OAHWND *Owner);
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// change the window to receive posted messages
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[propput]
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HRESULT MessageDrain([in] OAHWND Drain);
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[propget]
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HRESULT MessageDrain([out, retval] OAHWND *Drain);
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[propget]
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HRESULT BorderColor([out, retval] long *Color);
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[propput]
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HRESULT BorderColor([in] long Color);
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[propget]
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HRESULT FullScreenMode([out, retval] long *FullScreenMode);
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[propput]
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HRESULT FullScreenMode([in] long FullScreenMode);
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// methods
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// ask the renderer to grab it's window the foreground
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// and optionally also give the window the input focus
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HRESULT SetWindowForeground([in] long Focus);
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// owners should pass WM_PALETTECHANGED and WM_SYSCOLORCHANGE
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// messages on the filter graph so they can be distributed
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// otherwise child renderers never see these messages go by
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HRESULT NotifyOwnerMessage([in] OAHWND hwnd,
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[in] long uMsg,
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[in] LONG_PTR wParam,
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[in] LONG_PTR lParam
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);
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// get and set the window position on the desktop
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HRESULT SetWindowPosition([in] long Left,
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[in] long Top,
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[in] long Width,
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[in] long Height);
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HRESULT GetWindowPosition([out] long *pLeft,
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[out] long *pTop,
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[out] long *pWidth,
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[out] long *pHeight);
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// get the ideal sizes for the video image playback (client) area
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HRESULT GetMinIdealImageSize([out] long *pWidth,[out] long *pHeight);
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HRESULT GetMaxIdealImageSize([out] long *pWidth,[out] long *pHeight);
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// get the restored window size when we're maximised or iconic
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HRESULT GetRestorePosition([out] long *pLeft,
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[out] long *pTop,
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[out] long *pWidth,
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[out] long *pHeight);
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// show and hide cursors useful when fullscreen
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HRESULT HideCursor([in] long HideCursor);
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HRESULT IsCursorHidden([out] long *CursorHidden);
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}
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// basic video-related functionality
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[
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uuid(56a868b5-0ad4-11ce-b03a-0020af0ba770),
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helpstring("IBasicVideo interface"),
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odl,
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oleautomation,
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dual
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]
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interface IBasicVideo : IDispatch
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{
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// properties
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// Video specific (approximate) bit and frame rates
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[propget]
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HRESULT AvgTimePerFrame([out, retval] REFTIME *pAvgTimePerFrame);
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[propget]
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HRESULT BitRate([out, retval] long *pBitRate);
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[propget]
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HRESULT BitErrorRate([out, retval] long *pBitErrorRate);
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// read the native video size
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[propget]
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HRESULT VideoWidth([out, retval] long *pVideoWidth);
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[propget]
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HRESULT VideoHeight([out, retval] long *pVideoHeight);
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// change the source rectangle for the video
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[propput]
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HRESULT SourceLeft([in] long SourceLeft);
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[propget]
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HRESULT SourceLeft([out, retval] long *pSourceLeft);
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[propput]
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HRESULT SourceWidth([in] long SourceWidth);
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[propget]
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HRESULT SourceWidth([out, retval] long *pSourceWidth);
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[propput]
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HRESULT SourceTop([in] long SourceTop);
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[propget]
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HRESULT SourceTop([out, retval] long *pSourceTop);
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[propput]
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HRESULT SourceHeight([in] long SourceHeight);
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[propget]
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HRESULT SourceHeight([out, retval] long *pSourceHeight);
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// change the destination rectangle for the video
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[propput]
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HRESULT DestinationLeft([in] long DestinationLeft);
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[propget]
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HRESULT DestinationLeft([out, retval] long *pDestinationLeft);
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[propput]
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HRESULT DestinationWidth([in] long DestinationWidth);
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[propget]
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HRESULT DestinationWidth([out, retval] long *pDestinationWidth);
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[propput]
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HRESULT DestinationTop([in] long DestinationTop);
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[propget]
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HRESULT DestinationTop([out, retval] long *pDestinationTop);
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[propput]
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HRESULT DestinationHeight([in] long DestinationHeight);
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[propget]
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HRESULT DestinationHeight([out, retval] long *pDestinationHeight);
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// methods
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// get and set the source rectangle position
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HRESULT SetSourcePosition([in] long Left,
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[in] long Top,
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[in] long Width,
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[in] long Height);
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HRESULT GetSourcePosition([out] long *pLeft,
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[out] long *pTop,
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[out] long *pWidth,
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[out] long *pHeight);
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|
|
HRESULT SetDefaultSourcePosition();
|
|
|
|
// get and set the destination rectangle position
|
|
|
|
HRESULT SetDestinationPosition([in] long Left,
|
|
[in] long Top,
|
|
[in] long Width,
|
|
[in] long Height);
|
|
|
|
HRESULT GetDestinationPosition([out] long *pLeft,
|
|
[out] long *pTop,
|
|
[out] long *pWidth,
|
|
[out] long *pHeight);
|
|
|
|
HRESULT SetDefaultDestinationPosition();
|
|
|
|
// get the native video dimensions
|
|
|
|
HRESULT GetVideoSize([out] long *pWidth,[out] long *pHeight);
|
|
|
|
// get all or some of the current video palette
|
|
|
|
HRESULT GetVideoPaletteEntries([in] long StartIndex,
|
|
[in] long Entries,
|
|
[out] long *pRetrieved,
|
|
[out] long *pPalette);
|
|
|
|
HRESULT GetCurrentImage([in,out] long *pBufferSize,
|
|
[out] long *pDIBImage);
|
|
|
|
// are we using a default source or destination
|
|
|
|
HRESULT IsUsingDefaultSource();
|
|
HRESULT IsUsingDefaultDestination();
|
|
}
|
|
|
|
// interface extension to IBasicVideo to return preferred aspect ratio
|
|
[
|
|
uuid(329bb360-f6ea-11d1-9038-00a0c9697298),
|
|
helpstring("IBasicVideo2"),
|
|
odl
|
|
]
|
|
interface IBasicVideo2 : IBasicVideo
|
|
{
|
|
// This may not match the native video dimensions because of
|
|
// non-square pixels or whatever.
|
|
// The video may not always be displayed in the preferred
|
|
// aspect ratio for performance reasons
|
|
|
|
HRESULT GetPreferredAspectRatio([out] long *plAspectX,
|
|
[out] long *plAspectY);
|
|
}
|
|
|
|
// interface returned to a command that has been queued via IQueueCommand
|
|
[
|
|
uuid(56a868b8-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("IDeferredCommand"),
|
|
odl
|
|
]
|
|
interface IDeferredCommand : IUnknown
|
|
{
|
|
HRESULT Cancel();
|
|
HRESULT Confidence(
|
|
[out] LONG* pConfidence);
|
|
HRESULT Postpone(
|
|
[in] REFTIME newtime);
|
|
// return value is S_OK if completed. phrResult is set to the
|
|
// result of the deferred command.
|
|
HRESULT GetHResult(
|
|
[out] HRESULT* phrResult);
|
|
};
|
|
|
|
// queue an IDispatch-based command for execution at a specified time
|
|
[
|
|
uuid(56a868b7-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("IQueueCommand"),
|
|
odl
|
|
]
|
|
interface IQueueCommand : IUnknown
|
|
{
|
|
HRESULT InvokeAtStreamTime(
|
|
[out] IDeferredCommand** pCmd,
|
|
[in] REFTIME time, // at this streamtime
|
|
[in] GUID* iid, // call this interface
|
|
[in] long dispidMethod, // ..and this method
|
|
[in] short wFlags, // method/property
|
|
[in] long cArgs, // count of args
|
|
[in] VARIANT* pDispParams, // actual args
|
|
[in, out] VARIANT* pvarResult, // return value
|
|
[out] short* puArgErr // which arg in error
|
|
);
|
|
|
|
HRESULT InvokeAtPresentationTime(
|
|
[out] IDeferredCommand** pCmd,
|
|
[in] REFTIME time, // at this presentation time
|
|
[in] GUID* iid, // call this interface
|
|
[in] long dispidMethod, // ..and this method
|
|
[in] short wFlags, // method/property
|
|
[in] long cArgs, // count of args
|
|
[in] VARIANT* pDispParams, // actual args
|
|
[in, out] VARIANT* pvarResult, // return value
|
|
[out] short* puArgErr // which arg in error
|
|
);
|
|
|
|
};
|
|
|
|
|
|
|
|
// the filgraph object (CLSID_Filgraph)
|
|
[
|
|
uuid(e436ebb3-524f-11ce-9f53-0020af0ba770),
|
|
helpstring("Filtergraph type info")
|
|
]
|
|
coclass FilgraphManager
|
|
{
|
|
[default] interface IMediaControl;
|
|
interface IMediaEvent;
|
|
interface IMediaPosition;
|
|
interface IBasicAudio;
|
|
interface IBasicVideo;
|
|
interface IVideoWindow;
|
|
|
|
};
|
|
|
|
|
|
// represents a filter (you can't QI for IBaseFilter from this object)
|
|
[
|
|
uuid(56a868ba-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("FilterInfo"),
|
|
odl,
|
|
oleautomation,
|
|
dual
|
|
]
|
|
interface IFilterInfo : IDispatch
|
|
{
|
|
// find a pin given an id - returns an object supporting
|
|
// IPinInfo
|
|
HRESULT FindPin(
|
|
[in] BSTR strPinID,
|
|
[out] IDispatch** ppUnk);
|
|
|
|
// filter name
|
|
[propget]
|
|
HRESULT Name(
|
|
[out, retval] BSTR* strName);
|
|
|
|
// Vendor info string
|
|
[propget]
|
|
HRESULT VendorInfo(
|
|
[out, retval] BSTR* strVendorInfo);
|
|
|
|
// returns the actual filter object (supports IBaseFilter)
|
|
[propget]
|
|
HRESULT Filter(
|
|
[out, retval] IUnknown **ppUnk);
|
|
|
|
// returns an IAMCollection object containing the PinInfo objects
|
|
// for this filter
|
|
[propget]
|
|
HRESULT Pins(
|
|
[out, retval] IDispatch ** ppUnk);
|
|
|
|
// returns -1 if true or 0 if false (OATRUE/FALSE)
|
|
[propget]
|
|
HRESULT IsFileSource(
|
|
[out, retval] LONG * pbIsSource);
|
|
|
|
[propget]
|
|
HRESULT Filename(
|
|
[out, retval] BSTR* pstrFilename);
|
|
|
|
[propput]
|
|
HRESULT Filename(
|
|
[in] BSTR strFilename);
|
|
}
|
|
|
|
[
|
|
uuid(56a868bb-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("Registry Filter Info"),
|
|
odl,
|
|
oleautomation,
|
|
dual
|
|
]
|
|
interface IRegFilterInfo : IDispatch
|
|
{
|
|
// get the name of this filter
|
|
[propget]
|
|
HRESULT Name(
|
|
[out, retval] BSTR* strName);
|
|
|
|
|
|
// make an instance of this filter, add it to the graph and
|
|
// return an IFilterInfo for it.
|
|
HRESULT Filter(
|
|
[out] IDispatch** ppUnk);
|
|
}
|
|
|
|
// wrapper for a media type
|
|
[
|
|
uuid(56a868bc-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("Media Type"),
|
|
odl,
|
|
oleautomation,
|
|
dual
|
|
]
|
|
interface IMediaTypeInfo : IDispatch
|
|
{
|
|
// get the major type GUID as a string
|
|
[propget]
|
|
HRESULT Type(
|
|
[out, retval] BSTR* strType);
|
|
|
|
// get the subtype GUID as a string
|
|
[propget]
|
|
HRESULT Subtype(
|
|
[out, retval] BSTR* strType);
|
|
}
|
|
|
|
[
|
|
uuid(56a868bd-0ad4-11ce-b03a-0020af0ba770),
|
|
helpstring("Pin Info"),
|
|
odl,
|
|
oleautomation,
|
|
dual
|
|
]
|
|
interface IPinInfo : IDispatch
|
|
{
|
|
// get the pin object (IUnknown for an object that
|
|
// supports IPin
|
|
[propget]
|
|
HRESULT Pin(
|
|
[out, retval] IUnknown** ppUnk);
|
|
|
|
// get the PinInfo object for the pin we are connected to
|
|
[propget]
|
|
HRESULT ConnectedTo(
|
|
[out, retval] IDispatch** ppUnk);
|
|
|
|
// get the media type on this connection - returns an
|
|
// object supporting IMediaTypeInfo
|
|
[propget]
|
|
HRESULT ConnectionMediaType(
|
|
[out, retval] IDispatch** ppUnk);
|
|
|
|
|
|
// return the FilterInfo object for the filter this pin
|
|
// is part of
|
|
[propget]
|
|
HRESULT FilterInfo(
|
|
[out, retval] IDispatch** ppUnk);
|
|
|
|
// get the name of this pin
|
|
[propget]
|
|
HRESULT Name(
|
|
[out, retval] BSTR* ppUnk);
|
|
|
|
// pin direction
|
|
[propget]
|
|
HRESULT Direction(
|
|
[out, retval] LONG *ppDirection);
|
|
|
|
// PinID - can pass to IFilterInfo::FindPin
|
|
[propget]
|
|
HRESULT PinID(
|
|
[out, retval] BSTR* strPinID);
|
|
|
|
// collection of preferred media types (IAMCollection)
|
|
[propget]
|
|
HRESULT MediaTypes(
|
|
[out, retval] IDispatch** ppUnk);
|
|
|
|
// Connect to the following pin, using other transform
|
|
// filters as necessary. pPin can support either IPin or IPinInfo
|
|
HRESULT Connect(
|
|
[in] IUnknown* pPin);
|
|
|
|
// Connect directly to the following pin, not using any intermediate
|
|
// filters
|
|
HRESULT ConnectDirect(
|
|
[in] IUnknown* pPin);
|
|
|
|
// Connect directly to the following pin, using the specified
|
|
// media type only. pPin is an object that must support either
|
|
// IPin or IPinInfo, and pMediaType must support IMediaTypeInfo.
|
|
HRESULT ConnectWithType(
|
|
[in] IUnknown * pPin,
|
|
[in] IDispatch * pMediaType);
|
|
|
|
// disconnect this pin and the corresponding connected pin from
|
|
// each other. (Calls IPin::Disconnect on both pins).
|
|
HRESULT Disconnect(void);
|
|
|
|
// render this pin using any necessary transform and rendering filters
|
|
HRESULT Render(void);
|
|
}
|
|
|
|
//--------------------------------------------------------------------
|
|
//
|
|
// IAMStats - statistics
|
|
//
|
|
// Note that the calls using an index are likely to be much faster
|
|
//--------------------------------------------------------------------
|
|
|
|
[
|
|
uuid(bc9bcf80-dcd2-11d2-abf6-00a0c905f375),
|
|
helpstring("Statistics"),
|
|
odl,
|
|
oleautomation,
|
|
dual
|
|
]
|
|
interface IAMStats : IDispatch {
|
|
// Reset all stats
|
|
HRESULT Reset();
|
|
|
|
// Get number of stats collected
|
|
[propget]
|
|
HRESULT Count(
|
|
[out, retval] LONG* plCount);
|
|
|
|
// Pull out a specific value by position
|
|
HRESULT GetValueByIndex([in] long lIndex,
|
|
[out] BSTR *szName,
|
|
[out] long *lCount,
|
|
[out] double *dLast,
|
|
[out] double *dAverage,
|
|
[out] double *dStdDev,
|
|
[out] double *dMin,
|
|
[out] double *dMax);
|
|
|
|
// Pull out a specific value by name
|
|
HRESULT GetValueByName([in] BSTR szName,
|
|
[out] long *lIndex,
|
|
[out] long *lCount,
|
|
[out] double *dLast,
|
|
[out] double *dAverage,
|
|
[out] double *dStdDev,
|
|
[out] double *dMin,
|
|
[out] double *dMax);
|
|
|
|
|
|
// The calls below are for generators of statistics
|
|
|
|
// Return the index for a string - optinally create
|
|
HRESULT GetIndex([in] BSTR szName,
|
|
[in] long lCreate,
|
|
[out] long *plIndex);
|
|
|
|
// Add a new value
|
|
HRESULT AddValue([in] long lIndex,
|
|
[in] double dValue);
|
|
}
|
|
};
|