473 lines
18 KiB
C
473 lines
18 KiB
C
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/****************************************************************************
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*
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* avicapi.h
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*
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* Internal, private definitions.
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*
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* Microsoft Video for Windows Sample Capture Class
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*
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* Copyright (c) 1992-1995 Microsoft Corporation. All Rights Reserved.
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*
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* You have a royalty-free right to use, modify, reproduce and
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* distribute the Sample Files (and/or any modified version) in
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* any way you find useful, provided that you agree that
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* Microsoft has no warranty obligations or liability for any
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* Sample Application Files which are modified.
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*
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***************************************************************************/
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#ifndef _INC_AVICAP_INTERNAL
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#define _INC_AVICAP_INTERNAL
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#include <avifile.h>
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#include <mmreg.h>
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#include <compman.h>
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#include "iaverage.h"
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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#ifndef RC_INVOKED
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#pragma pack(1) /* Assume byte packing throughout */
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#endif /* RC_INVOKED */
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/* c8 uses underscores on all defines */
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#if defined DEBUG && !defined _DEBUG
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#define _DEBUG
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#elif defined _DEBUG && !defined DEBUG
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#define DEBUG
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#endif
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#if !defined NUMELMS
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#define NUMELMS(aa) (sizeof(aa)/sizeof((aa)[0]))
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#define FIELDOFF(type,field) (&(((type)0)->field))
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#define FIELDSIZ(type,field) (sizeof(((type)0)->field))
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#endif
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//
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// use the registry - not WIN.INI
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//
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#if defined(_WIN32) && defined(UNICODE)
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#include "profile.h"
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#endif
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// switch off all references to the new vfw1.1 compman interfaces until we
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// have the new compman ported to NT
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#define NEW_COMPMAN
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#ifndef _LPHISTOGRAM_DEFINED
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#define _LPHISTOGRAM_DEFINED
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typedef DWORD HUGE * LPHISTOGRAM;
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#endif
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#define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */
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#define DIBWIDTHBYTES(bi) ((int)WIDTHBYTES((int)(bi).biWidth * (int)(bi).biBitCount))
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// Swap palette entries around
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#ifdef DEBUG
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#define SWAPTYPE(x,y, type) { type _temp_; _temp_=(x); (x)=(y), (y)=_temp_;}
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#else
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#define SWAPTYPE(x,y, type) ( (x)^=(y), (y)^=(x), (x)^=(y) )
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#endif
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#define ROUNDUPTOSECTORSIZE(dw, align) ((((DWORD)dw) + (align)-1) & ~((align)-1))
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#define MAX_VIDEO_BUFFERS 400 // By using this number the CAPSTREAM structure fits into a page
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#define MIN_VIDEO_BUFFERS 5
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#define DEF_WAVE_BUFFERS 4
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#define MAX_WAVE_BUFFERS 10
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// MCI Capture state machine
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enum mcicapstates {
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CAPMCI_STATE_Uninitialized = 0,
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CAPMCI_STATE_Initialized,
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CAPMCI_STATE_StartVideo,
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CAPMCI_STATE_CapturingVideo,
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CAPMCI_STATE_VideoFini,
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CAPMCI_STATE_StartAudio,
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CAPMCI_STATE_CapturingAudio,
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CAPMCI_STATE_AudioFini,
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CAPMCI_STATE_AllFini
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};
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// -------------------------
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// CAPSTREAM structure
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// -------------------------
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#define CAPSTREAM_VERSION 2 // Increment whenever struct changes
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#define DEFAULT_BYTESPERSECTOR 512
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// This structure is GlobalAlloc'd for each capture window instance.
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// A pointer to the structure is stored in the Window extra bytes.
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// Applications can retrieve a pointer to the stucture using
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// the WM_CAP_GET_CAPSTREAMPTR message.
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// I: internal variables which the client app should not modify
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// M: variables which the client app can set via Send/PostMessage
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typedef struct tagCAPSTREAM {
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DWORD dwSize; // I: size of structure
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UINT uiVersion; // I: version of structure
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HINSTANCE hInst; // I: our instance
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HANDLE hThreadCapture; // I: capture task handle
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DWORD dwReturn; // I: capture task return value
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HWND hwnd; // I: our hwnd
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// Use MakeProcInstance to create all callbacks !!!
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// Status, error callbacks
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CAPSTATUSCALLBACK CallbackOnStatus; // M: Status callback
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CAPERRORCALLBACK CallbackOnError; // M: Error callback
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#ifdef UNICODE
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DWORD fUnicode; // I:
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// definitions for fUnicode
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#define VUNICODE_ERRORISANSI 0x00000001 // set if error msg thunking required
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#define VUNICODE_STATUSISANSI 0x00000002 // set if status msg thunking required
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#endif
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// event used in capture loop to avoid polling
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HANDLE hCaptureEvent; // I:
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#ifdef CHICAGO
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DWORD hRing0CapEvt; // I:
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#endif
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// Allows client to process messages during capture if set
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CAPYIELDCALLBACK CallbackOnYield; // M: Yield processing
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// Video and wave callbacks for Network or other specialized xfers
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CAPVIDEOCALLBACK CallbackOnVideoFrame; // M: Only during preview
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CAPVIDEOCALLBACK CallbackOnVideoStream; // M: Video buffer ready
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CAPWAVECALLBACK CallbackOnWaveStream; // M: Wave buffer ready
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CAPCONTROLCALLBACK CallbackOnControl; // M: External Start/Stop ctrl
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// Open channels on the video hardware device
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// and hardware capabilies
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CAPDRIVERCAPS sCapDrvCaps; // M: What can the driver do
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HVIDEO hVideoIn; // I: In channel
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HVIDEO hVideoCapture; // I: Ext In channel
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HVIDEO hVideoDisplay; // I: Ext Out channel
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BOOL fHardwareConnected; // I: ANY open channel?
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// Flags indicating whether dialog boxes are currently displayed
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#define VDLG_VIDEOSOURCE 0x00000001 // Video Source dialog
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#define VDLG_VIDEOFORMAT 0x00000002 // Video Format dialog
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#define VDLG_VIDEODISPLAY 0x00000004 // Video Display dialog
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#define VDLG_COMPRESSION 0x00000008 // Video Compression dialog
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DWORD dwDlgsActive; // I: state of dialogs
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// Window to display video
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BOOL fLiveWindow; // M: Preview video
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BOOL fOverlayWindow; // M: Overlay video
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BOOL fScale; // M: Scale image to client
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POINT ptScroll; // I: Scroll position
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HANDLE hdd; // I: hDrawDib access handle
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HCURSOR hWaitCursor; // I: hourglass
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UINT uiRegion; // I: CheckWindowMove
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RECT rcRegionRect; // I: CheckWindowMove
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POINT ptRegionOrigin;
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// Window update timer
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UINT idTimer; // I: ID of preview timer
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UINT uTimeout; // M: Preview rate in mS. (not used after setting the timer)
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// Capture destination and control
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CAPTUREPARMS sCapParms; // M: how to capture
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BOOL fCaptureFlags; // state of capture
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#define CAP_fCapturingToDisk 0x0001
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#define CAP_fCapturingNow 0x0002
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#define CAP_fStepCapturingNow 0x0004
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#define CAP_fFrameCapturingNow 0x0008
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#define CAP_fStopCapture 0x0010
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#define CAP_fAbortCapture 0x0020
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#if 0
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BOOL fCapturingToDisk; // M: if capturing to disk
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BOOL fCapturingNow; // I: if performing capture
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BOOL fStepCapturingNow; // I: if performing MCI step capture
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BOOL fFrameCapturingNow; // I: if performing single frame capture
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BOOL fStopCapture; // M: if stop requested
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BOOL fAbortCapture; // M: if abort requested
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#endif
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DWORD dwTimeElapsedMS; // I: Capture time in millisec
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// Index
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HGLOBAL hIndex; // I: handle to index mem
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DWORD dwIndex; // I: index index
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DWORD dwVideoChunkCount; // I: # of video frames cap'd
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DWORD dwWaveChunkCount; // I: # of audio buffers cap'd
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LPDWORD lpdwIndexStart; // I: index start ptr
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LPDWORD lpdwIndexEntry; // I: index current ptr
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// Video format
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DWORD dwActualMicroSecPerFrame; // I: Actual cap rate
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LPBITMAPINFO lpBitsInfo; // I: Video format
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int dxBits; // I: video size x
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int dyBits; // I: video size y
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LPBYTE lpBits; // I: Single frame capture buf
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LPBYTE lpBitsUnaligned; // I: Single frame capture buf
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VIDEOHDR VidHdr; // I: Single frame header
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#ifdef NEW_COMPMAN
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COMPVARS CompVars; // M: Set by ICCompressorChoose
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#endif
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LPIAVERAGE lpia; // I: Image averaging struct
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VIDEOHDR VidHdr2x; // I: VideoHeader at 2x
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LPBITMAPINFOHEADER lpbmih2x; // I: lpbi at 2x
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// Video Buffer management
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DWORD cbVideoAllocation; // I: size of non-comp buffer incl chunk (not used)
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int iNumVideo; // I: Number of actual video buffers
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int iNextVideo; // I: index into video buffers
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DWORD dwFramesDropped; // I: number of frames dropped
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LPVIDEOHDR alpVideoHdr[MAX_VIDEO_BUFFERS]; // I: array of buf ptrs
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BOOL fBuffersOnHardware; // I: if driver all'd buffers
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LPSTR lpDropFrame;
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// Palettes
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HPALETTE hPalCurrent; // I: handle of current pal
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BOOL fUsingDefaultPalette; // I: no user defined pal
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int nPaletteColors; // M: only changed by UI
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LPVOID lpCapPal; // I: LPCAPPAL manual pals
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LPVOID lpCacheXlateTable; // I: 32KB xlate table cached
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// Audio Capture Format
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BOOL fAudioHardware; // I: if audio hardware present
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LPWAVEFORMATEX lpWaveFormat; // I: wave format
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WAVEHDR WaveHdr; // I: Wave header
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HWAVEIN hWaveIn; // I: Wave input channel
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DWORD dwWaveBytes; // I: Total wave bytes cap'd
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DWORD dwWaveSize; // I: wave buffer size
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// Audio Buffer management
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LPWAVEHDR alpWaveHdr[MAX_WAVE_BUFFERS]; // I: wave buff array
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int iNextWave; // I: Index into wave buffers
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int iNumAudio; // I: Number of actual audio buffers
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BOOL fAudioYield; // I: ACM audio yield required
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BOOL fAudioBreak; // I: Audio underflow
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// MCI Capture
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TCHAR achMCIDevice[MAX_PATH]; // MCI device name
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DWORD dwMCIError; // I: Last MCI error value
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enum mcicapstates MCICaptureState; // I: MCI State machine
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DWORD dwMCICurrentMS; // I: Current MCI position
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DWORD dwMCIActualStartMS; // I: Actual MCI start MS
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DWORD dwMCIActualEndMS; // I: Actual MCI end position
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// Output file
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TCHAR achFile [MAX_PATH]; // M: name of capture file
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TCHAR achSaveAsFile [MAX_PATH]; // M: name of saveas file
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LONG lCapFileSize; // M: in bytes
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BOOL fCapFileExists; // I: if have a capture file
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BOOL fFileCaptured; // I: if we've cap'd to file
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// async file io
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//
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DWORD dwAsyncWriteOffset; // I: last file write offset
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UINT iNextAsync; // I: next async io header to be done
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UINT iLastAsync; // I: last async io header to be written
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UINT iNumAsync; // I: number of async io headers
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struct _avi_async {
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OVERLAPPED ovl; // I: for WriteFile call
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UINT uType; // I: write type (Video/Wave/Drop)
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UINT uIndex; // I: index into alpWaveHdr or alpVideoHdr
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} * pAsync; // I: ptr to array of async io headers
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#ifdef USE_AVIFILE
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// these 4 fields when using avifile
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//
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BOOL bUseAvifile;
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PAVISTREAM pvideo;
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PAVISTREAM paudio;
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PAVIFILE pavifile;
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#endif
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HMMIO hmmio; // I: MMIO handle for writing
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HANDLE hFile; // I: write via CreateFile
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DWORD dwBytesPerSector; // I: bytes per sector
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BOOL fUsingNonBufferedIO; // I: FILE_FLAG_NO_BUFFERING
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DWORD dwAVIHdrSize; // I: size of header
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DWORD dwAVIHdrPos; // I: file offset of hdr
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LONG lUser; // M: Data for the user
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LPVOID lpInfoChunks; // M: information chunks
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LONG cbInfoChunks; // M: sizeof information chks
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BOOL fLastStatusWasNULL; // I: don't repeat null msgs
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BOOL fLastErrorWasNULL; // I: don't repeat null msgs
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} CAPSTREAM;
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typedef CAPSTREAM FAR * LPCAPSTREAM;
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// values for capstream.pAsync[nn].wType field
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//
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#define ASYNC_BUF_VIDEO 1
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#define ASYNC_BUF_AUDIO 2
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#define ASYNC_BUF_DROP 3
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// -------------------------
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// Full color log palette
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// -------------------------
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typedef struct tagFCLOGPALETTE {
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WORD palVersion;
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WORD palNumEntries;
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PALETTEENTRY palPalEntry[256];
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} FCLOGPALETTE;
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typedef struct {
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DWORD dwType;
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DWORD dwSize;
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} RIFF, *PRIFF, FAR *LPRIFF;
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extern HINSTANCE ghInstDll;
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#define IDS_CAP_RTL 10000
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extern BOOL gfIsRTL;
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// capinit.c
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BOOL CapWinDisconnectHardware(LPCAPSTREAM lpcs);
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BOOL CapWinConnectHardware (LPCAPSTREAM lpcs, UINT wDeviceIndex);
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BOOL capInternalGetDriverDesc (UINT wDriverIndex,
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LPTSTR lpszName, int cbName,
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LPTSTR lpszVer, int cbVer);
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BOOL capInternalGetDriverDescA(UINT wDriverIndex,
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LPSTR lpszName, int cbName,
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LPSTR lpszVer, int cbVer);
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// capwin.c
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LONG FAR PASCAL LOADDS EXPORT CapWndProc (HWND hwnd, UINT msg, UINT wParam, LONG lParam);
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#if defined CHICAGO
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VOID WINAPI OpenMMDEVLDR(
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void);
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VOID WINAPI CloseMMDEVLDR(
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void);
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VOID FreeContigMem (
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DWORD hMemContig);
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LPVOID AllocContigMem (
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DWORD cbSize,
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LPDWORD phMemContig);
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#endif
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// capavi.c
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LPVOID FAR PASCAL AllocSectorAlignedMem (DWORD dwRequest, DWORD dwAlign);
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void FAR PASCAL FreeSectorAlignedMem(LPVOID p);
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DWORDLONG GetFreePhysicalMemory(void);
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DWORD CalcWaveBufferSize (LPCAPSTREAM lpcs);
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BOOL AVIFileFini (LPCAPSTREAM lpcs, BOOL fWroteJunkChunks, BOOL fAbort);
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UINT AVIAudioInit (LPCAPSTREAM lpcs);
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UINT AVIAudioFini (LPCAPSTREAM lpcs);
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UINT AVIAudioPrepare (LPCAPSTREAM lpcs);
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UINT AVIAudioUnPrepare (LPCAPSTREAM lpcs);
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UINT AVIVideoInit (LPCAPSTREAM lpcs);
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UINT AVIVideoPrepare (LPCAPSTREAM lpcs);
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UINT AVIVideoUnPrepare (LPCAPSTREAM lpcs);
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void AVIFini(LPCAPSTREAM lpcs);
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UINT AVIInit (LPCAPSTREAM lpcs);
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BOOL FAR PASCAL SetInfoChunk(LPCAPSTREAM lpcs, LPCAPINFOCHUNK lpcic);
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BOOL AVICapture (LPCAPSTREAM lpcs);
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// capio.c
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//
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BOOL InitIndex (LPCAPSTREAM lpcs);
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void FiniIndex (LPCAPSTREAM lpcs);
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BOOL WriteIndex (LPCAPSTREAM lpcs, BOOL fJunkChunkWritten);
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BOOL CapFileInit(LPCAPSTREAM lpcs);
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BOOL WINAPI AVIWriteAudio (
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LPCAPSTREAM lpcs,
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LPWAVEHDR lpwh,
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UINT uIndex,
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LPUINT lpuError,
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LPBOOL pbPending);
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BOOL WINAPI AVIWriteVideoFrame (
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LPCAPSTREAM lpcs,
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LPBYTE lpData,
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DWORD dwBytesUsed,
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BOOL fKeyFrame,
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UINT uIndex,
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UINT nDropped,
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LPUINT lpuError,
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LPBOOL pbPending);
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BOOL WINAPI AVIWriteDummyFrames (
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LPCAPSTREAM lpcs,
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UINT nCount,
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LPUINT lpuError,
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LPBOOL pbPending);
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VOID WINAPI AVIPreloadFat (LPCAPSTREAM lpcs);
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// capfile.c
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BOOL FAR PASCAL fileCapFileIsAVI (LPTSTR lpsz);
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BOOL FAR PASCAL fileAllocCapFile(LPCAPSTREAM lpcs, DWORD dwNewSize);
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BOOL FAR PASCAL fileSaveCopy(LPCAPSTREAM lpcs);
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BOOL FAR PASCAL fileSavePalette(LPCAPSTREAM lpcs, LPTSTR lpszFileName);
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BOOL FAR PASCAL fileOpenPalette(LPCAPSTREAM lpcs, LPTSTR lpszFileName);
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//capmisc.c
|
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UINT GetKey(BOOL fWait);
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void errorDriverID (LPCAPSTREAM lpcs, DWORD dwError);
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void FAR CDECL statusUpdateStatus (LPCAPSTREAM lpcs, UINT wID, ...);
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void FAR CDECL errorUpdateError (LPCAPSTREAM lpcs, UINT wID, ...);
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//capFrame.c
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BOOL FAR PASCAL SingleFrameCaptureOpen (LPCAPSTREAM lpcs);
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BOOL FAR PASCAL SingleFrameCaptureClose (LPCAPSTREAM lpcs);
|
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BOOL FAR PASCAL SingleFrameCapture (LPCAPSTREAM lpcs);
|
||
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BOOL SingleFrameWrite (
|
||
|
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LPCAPSTREAM lpcs, // capture stream
|
||
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LPVIDEOHDR lpVidHdr, // input header
|
||
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BOOL FAR *pfKey, // did it end up being a key frame?
|
||
|
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LONG FAR *plSize); // size of returned image
|
||
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|
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//capMCI.c
|
||
|
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void FAR PASCAL TimeMSToSMPTE (DWORD dwMS, LPTSTR lpTime);
|
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int CountMCIDevicesByType ( UINT wType );
|
||
|
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void MCIDeviceClose (LPCAPSTREAM lpcs);
|
||
|
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BOOL MCIDeviceOpen (LPCAPSTREAM lpcs);
|
||
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BOOL FAR PASCAL MCIDeviceGetPosition (LPCAPSTREAM lpcs, LPDWORD lpdwPos);
|
||
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BOOL FAR PASCAL MCIDeviceSetPosition (LPCAPSTREAM lpcs, DWORD dwPos);
|
||
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BOOL FAR PASCAL MCIDevicePlay (LPCAPSTREAM lpcs);
|
||
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BOOL FAR PASCAL MCIDevicePause (LPCAPSTREAM lpcs);
|
||
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BOOL FAR PASCAL MCIDeviceStop (LPCAPSTREAM lpcs);
|
||
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BOOL FAR PASCAL MCIDeviceStep (LPCAPSTREAM lpcs, BOOL fForward);
|
||
|
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void FAR PASCAL _LOADDS MCIStepCapture (LPCAPSTREAM lpcs);
|
||
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|
||
|
|
#define AnsiToWide(lpwsz,lpsz,nChars) MultiByteToWideChar(CP_ACP, 0, lpsz, nChars, lpwsz, nChars)
|
||
|
|
#define WideToAnsi(lpsz,lpwsz,nChars) WideCharToMultiByte(CP_ACP, 0, lpwsz, nChars, lpsz, nChars, NULL, NULL)
|
||
|
|
#ifdef CHICAGO
|
||
|
|
// chicago internal api to get a vxd visible alias for Win32 handle
|
||
|
|
// this is used on the hCaptureEvent handle so that it can be signaled
|
||
|
|
// from within 16 bit code.
|
||
|
|
DWORD WINAPI OpenVxDHandle (HANDLE);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _DEBUG
|
||
|
|
BOOL FAR PASCAL _Assert(BOOL f, LPSTR szFile, int iLine);
|
||
|
|
#define WinAssert(exp) (_Assert(exp, (LPSTR) __FILE__, __LINE__))
|
||
|
|
extern void FAR CDECL dprintf(LPSTR, ...);
|
||
|
|
#define DPF dprintf
|
||
|
|
#else
|
||
|
|
#define dprintf ; / ## /
|
||
|
|
#define DPF ; / ## /
|
||
|
|
#define WinAssert(exp) 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef RC_INVOKED
|
||
|
|
#pragma pack() /* Revert to default packing */
|
||
|
|
#endif /* RC_INVOKED */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} /* End of extern "C" { */
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#endif /* INC_AVICAP_INTERNAL */
|