//------------------------------------------------------------------------------ // File: Control.odl // // Desc: // // Copyright (c) 1999-2001, Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Neutral/English language type library for basic Quartz control interfaces // the quartz type library defines the basic control interfaces [ uuid(56a868b0-0ad4-11ce-b03a-0020af0ba770), helpstring("ActiveMovie control type library"), lcid(0x0000), version(1.0) ] library QuartzTypeLib { importlib("STDOLE32.TLB"); // types are restricted to be automation-compatible typedef double REFTIME; // ReferenceTime typedef LONG_PTR OAEVENT; // should be a HANDLE typedef LONG_PTR OAHWND; // should be an hwnd // from strmif.idl typedef long OAFilterState; // collection interface - represents a collection of IUnknowns // this is used below to collect filter-info objects, registry-filters // pin-info objects and wrapped media type objects [ uuid(56a868b9-0ad4-11ce-b03a-0020af0ba770), helpstring("Collection"), odl, oleautomation, dual ] interface IAMCollection : IDispatch { // number of items in collection [propget] HRESULT Count( [out, retval] LONG* plCount); // return IUnknown for contained item by index HRESULT Item( [in] long lItem, [out] IUnknown** ppUnk); // return IUnknown for an object that implements IEnumVARIANT on // this collection [propget] HRESULT _NewEnum( [out, retval] IUnknown** ppUnk); } // core control providing state control [ uuid(56a868b1-0ad4-11ce-b03a-0020af0ba770), helpstring("IMediaControl interface"), odl, oleautomation, dual ] interface IMediaControl : IDispatch { // methods HRESULT Run(); HRESULT Pause(); HRESULT Stop(); //returns the state. same semantics as IMediaFilter::GetState HRESULT GetState( [in] LONG msTimeout, [out] OAFilterState* pfs); // adds and connects filters needed to play the specified file // (same as IFilterGraph::RenderFile) HRESULT RenderFile( [in] BSTR strFilename); // adds to the graph the source filter that can read this file, // and returns an IFilterInfo object for it (actually returns // an IDispatch for the IFilterInfo object). HRESULT AddSourceFilter( [in] BSTR strFilename, [out] IDispatch**ppUnk); // get a collection of IFilterInfo objects representing the // filters in the graph (returns IDispatch for an object // that supports IAMCollection [propget] HRESULT FilterCollection( [out, retval] IDispatch** ppUnk); // get a collection of IRegFilter objects representing the // filters available in the registry [propget] HRESULT RegFilterCollection( [out, retval] IDispatch** ppUnk); HRESULT StopWhenReady(); } // provides an event notification scheme passing events // asynchronously to applications. See also IMediaEventSink in // strmif.idl and sdk\h\evcodes.h. // // this interface behaves as if events are held on a queue. A call to // IMediaEventSink::Notify will place an event on this queue. Calling // GetEvent removes the first item off the queue and returns it. Items are // returned in the order they were queued (there is no priority scheme). // The event handle is in a signalled state iff the queue is non-empty. // // Apps that issue multiple Run calls without always picking up the // completion events are advised to call GetEvent or WaitForCompletion // (with a 0 timeout) repeatedly to remove all events from the queue // when in stopped or paused state before each Run method. // // Parameters to events are actually LONG, IUnknown* or BSTR. You need to // look at evcode.h for details of parameters to a specific event code. // In order to correctly free resources, always call FreeEventParams // after receiving an event. // [ uuid(56a868b6-0ad4-11ce-b03a-0020af0ba770), helpstring("IMediaEvent interface"), odl, oleautomation, dual ] interface IMediaEvent : IDispatch { // get back the event handle. This is manual-reset // (don't - it's reset by the event mechanism) and remains set // when events are queued, and reset when the queue is empty. HRESULT GetEventHandle( [out] OAEVENT * hEvent); // remove the next event notification from the head of the queue and // return it. Waits up to msTimeout millisecs if there are no events. // if a timeout occurs without any events, this method will return // E_ABORT, and the value of the event code and other parameters // is undefined. // // If this call returns successfully the caller MUST call // FreeEventParams(lEventCode, lParam1, lParam2) to release // resources held inside the event arguments // HRESULT GetEvent( [out] long * lEventCode, [out] LONG_PTR * lParam1, [out] LONG_PTR * lParam2, [in] long msTimeout ); // Calls GetEvent repeatedly discarding events until it finds a // completion event (EC_COMPLETE, EC_ERRORABORT, or EC_USERABORT). // The completion event is removed from the queue and returned // in pEvCode. Note that the object is still in running mode until // a Pause or Stop call is made. // If the timeout occurs, *pEvCode will be 0 and E_ABORT will be // returned. HRESULT WaitForCompletion( [in] long msTimeout, [out] long * pEvCode); // cancels any system handling of the specified event code // and ensures that the events are passed straight to the application // (via GetEvent) and not handled. A good example of this is // EC_REPAINT: default handling for this ensures the painting of the // window and does not get posted to the app. HRESULT CancelDefaultHandling( [in] long lEvCode); // restore the normal system default handling that may have been // cancelled by CancelDefaultHandling(). HRESULT RestoreDefaultHandling( [in] long lEvCode); // Free any resources associated with the parameters to an event. // Event parameters may be LONGs, IUnknown* or BSTR. No action // is taken with LONGs. IUnknown are passed addrefed and need a // Release call. BSTR are allocated by the task allocator and will be // freed by calling the task allocator. HRESULT FreeEventParams( [in] long lEvCode, [in] LONG_PTR lParam1, [in] LONG_PTR lParam2 ); } [ uuid(56a868c0-0ad4-11ce-b03a-0020af0ba770), helpstring("IMediaEventEx interface"), odl ] interface IMediaEventEx : IMediaEvent { // Register a window to send messages to when events occur // Parameters: // // hwnd - handle of window to notify - // pass NULL to stop notification // lMsg - Message id to pass messages with // lInstanceData - will come back in lParam // // The event information must still be retrived by a call // to GetEvent when the window message is received. // // Multiple events may be notified with one window message. // HRESULT SetNotifyWindow( [in] OAHWND hwnd, [in] long lMsg, [in] LONG_PTR lInstanceData ); // Turn events notification on or off // lNoNotify = 0x00 event notification is ON // lNoNotify = 0x01 event notification is OFF. The // handle returned by GetEventHandle will be signalled at // end of stream HRESULT SetNotifyFlags( [in] long lNoNotifyFlags ); HRESULT GetNotifyFlags( [out] long *lplNoNotifyFlags ); } // seek/cueing for positional media [ uuid(56a868b2-0ad4-11ce-b03a-0020af0ba770), helpstring("IMediaPosition interface"), odl, oleautomation, dual ] interface IMediaPosition : IDispatch { // properties [propget] HRESULT Duration( [out, retval] REFTIME* plength); [propput] HRESULT CurrentPosition( [in] REFTIME llTime); [propget] HRESULT CurrentPosition( [out, retval] REFTIME* pllTime); [propget] HRESULT StopTime( [out, retval] REFTIME* pllTime); [propput] HRESULT StopTime( [in] REFTIME llTime); [propget] HRESULT PrerollTime( [out, retval] REFTIME* pllTime); [propput] HRESULT PrerollTime( [in] REFTIME llTime); [propput] HRESULT Rate( [in] double dRate); [propget] HRESULT Rate( [out, retval] double * pdRate); HRESULT CanSeekForward([out, retval] LONG *pCanSeekForward); HRESULT CanSeekBackward([out, retval] LONG *pCanSeekBackward); } // basic audio-related functionality [ uuid(56a868b3-0ad4-11ce-b03a-0020af0ba770), helpstring("IBasicAudio interface"), odl, oleautomation, dual ] interface IBasicAudio : IDispatch { // properties [propput] HRESULT Volume( [in] long lVolume); [propget] HRESULT Volume( [out, retval] long * plVolume); [propput] HRESULT Balance( [in] long lBalance); [propget] HRESULT Balance( [out, retval] long * plBalance); } // basic window-related functionality [ uuid(56a868b4-0ad4-11ce-b03a-0020af0ba770), helpstring("IVideoWindow interface"), odl, oleautomation, dual ] interface IVideoWindow : IDispatch { // properties // set and get the window title caption [propput] HRESULT Caption([in] BSTR strCaption); [propget] HRESULT Caption([out, retval] BSTR *strCaption); // change the window styles (as per Win32) [propput] HRESULT WindowStyle([in] long WindowStyle); [propget] HRESULT WindowStyle([out, retval] long *WindowStyle); // change the extended window styles (as per Win32) [propput] HRESULT WindowStyleEx([in] long WindowStyleEx); [propget] HRESULT WindowStyleEx([out, retval] long *WindowStyleEx); [propput] HRESULT AutoShow([in] long AutoShow); [propget] HRESULT AutoShow([out, retval] long *AutoShow); // change the window state (as per Win32) [propput] HRESULT WindowState([in] long WindowState); [propget] HRESULT WindowState([out, retval] long *WindowState); // realise the palette in the background [propput] HRESULT BackgroundPalette([in] long BackgroundPalette); [propget] HRESULT BackgroundPalette([out, retval] long *pBackgroundPalette); // affect the visibility of the window [propput] HRESULT Visible([in] long Visible); [propget] HRESULT Visible([out, retval] long *pVisible); // change the desktop position of the video window [propput] HRESULT Left([in] long Left); [propget] HRESULT Left([out, retval] long *pLeft); [propput] HRESULT Width([in] long Width); [propget] HRESULT Width([out, retval] long *pWidth); [propput] HRESULT Top([in] long Top); [propget] HRESULT Top([out, retval] long *pTop); [propput] HRESULT Height([in] long Height); [propget] HRESULT Height([out, retval] long *pHeight); // change the owning window of the video [propput] HRESULT Owner([in] OAHWND Owner); [propget] HRESULT Owner([out, retval] OAHWND *Owner); // change the window to receive posted messages [propput] HRESULT MessageDrain([in] OAHWND Drain); [propget] HRESULT MessageDrain([out, retval] OAHWND *Drain); [propget] HRESULT BorderColor([out, retval] long *Color); [propput] HRESULT BorderColor([in] long Color); [propget] HRESULT FullScreenMode([out, retval] long *FullScreenMode); [propput] HRESULT FullScreenMode([in] long FullScreenMode); // methods // ask the renderer to grab it's window the foreground // and optionally also give the window the input focus HRESULT SetWindowForeground([in] long Focus); // owners should pass WM_PALETTECHANGED and WM_SYSCOLORCHANGE // messages on the filter graph so they can be distributed // otherwise child renderers never see these messages go by HRESULT NotifyOwnerMessage([in] OAHWND hwnd, [in] long uMsg, [in] LONG_PTR wParam, [in] LONG_PTR lParam ); // get and set the window position on the desktop HRESULT SetWindowPosition([in] long Left, [in] long Top, [in] long Width, [in] long Height); HRESULT GetWindowPosition([out] long *pLeft, [out] long *pTop, [out] long *pWidth, [out] long *pHeight); // get the ideal sizes for the video image playback (client) area HRESULT GetMinIdealImageSize([out] long *pWidth,[out] long *pHeight); HRESULT GetMaxIdealImageSize([out] long *pWidth,[out] long *pHeight); // get the restored window size when we're maximised or iconic HRESULT GetRestorePosition([out] long *pLeft, [out] long *pTop, [out] long *pWidth, [out] long *pHeight); // show and hide cursors useful when fullscreen HRESULT HideCursor([in] long HideCursor); HRESULT IsCursorHidden([out] long *CursorHidden); } // basic video-related functionality [ uuid(56a868b5-0ad4-11ce-b03a-0020af0ba770), helpstring("IBasicVideo interface"), odl, oleautomation, dual ] interface IBasicVideo : IDispatch { // properties // Video specific (approximate) bit and frame rates [propget] HRESULT AvgTimePerFrame([out, retval] REFTIME *pAvgTimePerFrame); [propget] HRESULT BitRate([out, retval] long *pBitRate); [propget] HRESULT BitErrorRate([out, retval] long *pBitErrorRate); // read the native video size [propget] HRESULT VideoWidth([out, retval] long *pVideoWidth); [propget] HRESULT VideoHeight([out, retval] long *pVideoHeight); // change the source rectangle for the video [propput] HRESULT SourceLeft([in] long SourceLeft); [propget] HRESULT SourceLeft([out, retval] long *pSourceLeft); [propput] HRESULT SourceWidth([in] long SourceWidth); [propget] HRESULT SourceWidth([out, retval] long *pSourceWidth); [propput] HRESULT SourceTop([in] long SourceTop); [propget] HRESULT SourceTop([out, retval] long *pSourceTop); [propput] HRESULT SourceHeight([in] long SourceHeight); [propget] HRESULT SourceHeight([out, retval] long *pSourceHeight); // change the destination rectangle for the video [propput] HRESULT DestinationLeft([in] long DestinationLeft); [propget] HRESULT DestinationLeft([out, retval] long *pDestinationLeft); [propput] HRESULT DestinationWidth([in] long DestinationWidth); [propget] HRESULT DestinationWidth([out, retval] long *pDestinationWidth); [propput] HRESULT DestinationTop([in] long DestinationTop); [propget] HRESULT DestinationTop([out, retval] long *pDestinationTop); [propput] HRESULT DestinationHeight([in] long DestinationHeight); [propget] HRESULT DestinationHeight([out, retval] long *pDestinationHeight); // methods // get and set the source rectangle position HRESULT SetSourcePosition([in] long Left, [in] long Top, [in] long Width, [in] long Height); HRESULT GetSourcePosition([out] long *pLeft, [out] long *pTop, [out] long *pWidth, [out] long *pHeight); 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); } };