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author | Fire-Head <Fire-Head@users.noreply.github.com> | 2019-06-02 05:00:38 +0200 |
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committer | Fire-Head <Fire-Head@users.noreply.github.com> | 2019-06-02 05:00:38 +0200 |
commit | b1f9e28cd155459ab2843690c248ed9f4767bc3f (patch) | |
tree | 8e7d2a33d4c5109ea3c3562940268afc57d0915c /dxsdk/Include/DShowIDL/mixerocx.idl | |
parent | rw skeleton (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | dxsdk/Include/DShowIDL/mixerocx.idl | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/dxsdk/Include/DShowIDL/mixerocx.idl b/dxsdk/Include/DShowIDL/mixerocx.idl new file mode 100644 index 00000000..5e45b459 --- /dev/null +++ b/dxsdk/Include/DShowIDL/mixerocx.idl @@ -0,0 +1,72 @@ +// Copyright (c) 1998 Microsoft Corporation. All Rights Reserved. +import "unknwn.idl"; + +// data id flags, used to notify the client whenever pertinent data changes +#define MIXER_DATA_ASPECT_RATIO 0x00000001 // picture aspect ratio changed +#define MIXER_DATA_NATIVE_SIZE 0x00000002 // native size of video changed +#define MIXER_DATA_PALETTE 0x00000004 // palette of video changed + +// status flags defined here +#define MIXER_STATE_MASK 0x00000003 // use this mask with state status bits +#define MIXER_STATE_UNCONNECTED 0x00000000 // mixer is unconnected and stopped +#define MIXER_STATE_CONNECTED_STOPPED 0x00000001 // mixer is connected and stopped +#define MIXER_STATE_CONNECTED_PAUSED 0x00000002 // mixer is connected and paused +#define MIXER_STATE_CONNECTED_PLAYING 0x00000003 // mixer is connected and playing + +interface IMixerOCXNotify; +interface IMixerOCX; + +[ + object, + uuid(81A3BD31-DEE1-11d1-8508-00A0C91F9CA0), + helpstring("IMixerOCXNotify Interface"), + pointer_default(unique) +] +interface IMixerOCXNotify : IUnknown +{ + // invalidates the rect + HRESULT OnInvalidateRect([in] LPCRECT lpcRect); + + // informs that a status change has occured, new status bits provided in ulStatusFlags + HRESULT OnStatusChange([in] ULONG ulStatusFlags); + + // informs that data parameters, whose id is present in ilDataFlags has changed + HRESULT OnDataChange([in] ULONG ulDataFlags); +}; + +[ + object, + uuid(81A3BD32-DEE1-11d1-8508-00A0C91F9CA0), + helpstring("IMixerOCX Interface"), + pointer_default(unique) +] +interface IMixerOCX : IUnknown +{ + // used to notify the mixer that the display mode has changed, the mixer handles this + // asynchronously and the calls OnStatusChange(MIXER_DISPLAYCHANGE_HANDLED) when processing + // is done + HRESULT OnDisplayChange([in] ULONG ulBitsPerPixel, [in] ULONG ulScreenWidth, [in] ULONG ulScreenHeight); + + HRESULT GetAspectRatio([out] LPDWORD pdwPictAspectRatioX, [out] LPDWORD pdwPictAspectRatioY); + + HRESULT GetVideoSize([out] LPDWORD pdwVideoWidth, [out] LPDWORD pdwVideoHeight); + + HRESULT GetStatus([out] LPDWORD *pdwStatus); + + // the dc provided here is not supposed to be cached. If apps have set a dc using + // SetDrawInfo, then it is illegal to provide a non NULL argument here + HRESULT OnDraw([in] HDC hdcDraw, [in] LPCRECT prcDraw); + + // lpptTopLeftSC should be NULL unless MIXER_DRAW_DC_ONSCREEN is set to TRUE + // specifying a NULL value for lprcClip means no clipping + // lpptTopLeftSC - top left corner of surface/dc in screen coordinates + // prcDrawCC - draw rectangle in surface/dc coordinates + // lprcClip - clipping rect in surface/dc coordinates (optional) + HRESULT SetDrawRegion([in] LPPOINT lpptTopLeftSC, [in] LPCRECT prcDrawCC, [in] LPCRECT lprcClip); + + // function to set the sink interface for client notification + HRESULT Advise([in] IMixerOCXNotify *pmdns); + + // function to remove the sink interface + HRESULT UnAdvise(); +}; |