339 lines
14 KiB
C
339 lines
14 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, 1993 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 <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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#ifdef DEBUG
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#ifndef _DEBUG
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#define _DEBUG
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#endif
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#endif
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#define IDS_CAP_RTL 10000
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#ifndef LPHISTOGRAM
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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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#define SWAP(x,y) ((x)^=(y)^=(x)^=(y))
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#define AVICAP DWORD FAR PASCAL
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#define DROP_BUFFER_SIZE 2048
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#define MAX_VIDEO_BUFFERS 1000
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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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#define _MAX_CAP_PATH MAX_PATH /* 260 */
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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 1 // Increment whenever struct changes
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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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HTASK hTaskCapture; // I: capture task handle
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DWORD dwReturn; // I: capture task return val
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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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// 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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// 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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DWORD dwRegionOrigin; // I: CheckWindowMove
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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.
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// Capture destination and control
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CAPTUREPARMS sCapParms; // M: how to capture
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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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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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DWORD _huge * lpdwIndexStart; // I: index start ptr
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DWORD _huge * lpdwIndexEntry; // I: index current ptr
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LPBYTE lpDOSWriteBuffer; // I: ptr to DOS buffer
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DWORD dwDOSBufferSize; // I: DOS buffer size
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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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LPSTR lpBits; // I: Single frame capture buf
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VIDEOHDR VidHdr; // I: Single frame header
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COMPVARS CompVars; // M: Set by ICCompressorChoose
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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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BOOL fVideoDataIsCompressed; // I: if don't use dwVideoSize
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DWORD dwVideoSize; // I: size of non-comp buffer incl chunk
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DWORD dwVideoJunkSize; // I: Initial non-comp. junk size
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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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BYTE DropFrame[DROP_BUFFER_SIZE]; // I: Create a Dummy VideoHdr
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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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// 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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// 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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HWAVE 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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char achMCIDevice[_MAX_CAP_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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char achFile [_MAX_CAP_PATH]; // M: name of capture file
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char achSaveAsFile [_MAX_CAP_PATH]; // M: name of saveas file
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BOOL fCapFileExists; // I: if have a capture file
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LONG lCapFileSize; // M: in bytes
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BOOL fFileCaptured; // I: if we've cap'd to file
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HMMIO hmmio; // I: MMIO handle for writing
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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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// -------------------------
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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 ghInst;
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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, WORD wDeviceIndex);
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BOOL capInternalGetDriverDesc (WORD 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 CapWndProc (HWND hwnd, unsigned msg, WORD wParam, LONG lParam);
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// capavi.c
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BOOL InitIndex (LPCAPSTREAM lpcs);
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void FiniIndex (LPCAPSTREAM lpcs);
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BOOL IndexVideo (LPCAPSTREAM lpcs, DWORD dwSize, BOOL bKeyFrame);
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BOOL IndexAudio (LPCAPSTREAM lpcs, DWORD dwSize);
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BOOL WriteIndex (LPCAPSTREAM lpcs, BOOL fJunkChunkWritten);
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DWORD GetFreePhysicalMemory(void);
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DWORD CalcWaveBufferSize (LPCAPSTREAM lpcs);
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BOOL AVIFileInit(LPCAPSTREAM lpcs);
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BOOL AVIFileFini (LPCAPSTREAM lpcs, BOOL fWroteJunkChunks, BOOL fAbort);
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WORD AVIAudioInit (LPCAPSTREAM lpcs);
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WORD AVIAudioFini (LPCAPSTREAM lpcs);
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WORD AVIAudioPrepare (LPCAPSTREAM lpcs, HWND hWndCallback);
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WORD AVIAudioUnPrepare (LPCAPSTREAM lpcs);
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WORD AVIVideoInit (LPCAPSTREAM lpcs);
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WORD AVIVideoPrepare (LPCAPSTREAM lpcs);
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WORD AVIVideoUnPrepare (LPCAPSTREAM lpcs);
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void AVIFini(LPCAPSTREAM lpcs);
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WORD AVIInit (LPCAPSTREAM lpcs);
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BOOL NEAR PASCAL AVIWrite(LPCAPSTREAM lpcs, LPVOID p, DWORD dwSize);
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BOOL AVIWriteDummyFrames (LPCAPSTREAM lpcs, int nCount);
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BOOL AVIWriteVideoFrame (LPCAPSTREAM lpcs, LPVIDEOHDR lpVidHdr);
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BOOL FAR PASCAL SetInfoChunk(LPCAPSTREAM lpcs, LPCAPINFOCHUNK lpcic);
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BOOL AVICapture (LPCAPSTREAM lpcs);
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// capfile.c
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BOOL FAR PASCAL fileCapFileIsAVI (LPSTR 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, LPSTR lpszFileName);
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BOOL FAR PASCAL fileOpenPalette(LPCAPSTREAM lpcs, LPSTR lpszFileName);
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//capmisc.c
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WORD GetKey(BOOL fWait);
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void errorDriverID (LPCAPSTREAM lpcs, DWORD dwError);
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void FAR _cdecl statusUpdateStatus (LPCAPSTREAM lpcs, WORD wID, ...);
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void FAR _cdecl errorUpdateError (LPCAPSTREAM lpcs, WORD 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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//capMCI.c
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void FAR PASCAL TimeMSToSMPTE (DWORD dwMS, LPSTR lpTime);
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int CountMCIDevicesByType ( WORD 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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long FAR PASCAL muldiv32(long, long, long);
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#ifdef _DEBUG
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BOOL FAR PASCAL _Assert(BOOL f, LPSTR szFile, int iLine);
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#define WinAssert(exp) (_Assert(exp, (LPSTR) __FILE__, __LINE__))
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extern void FAR CDECL dprintf(LPSTR, ...);
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#define DPF dprintf
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#else
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#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 */
|
|||
|
|
|
|||
|
|
|