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windows-nt/Source/XPSP1/NT/multimedia/media/avi/mciavi32/graphic.h

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2020-09-26 03:20:57 -05:00
/******************************************************************************
Copyright (C) Microsoft Corporation 1985-1995. All rights reserved.
Title: graphic.h - Multimedia Systems Media Control Interface
driver for AVI.
*****************************************************************************/
// This stuff is not going to work 64-bit
#pragma warning(disable:4312)
#define NOSHELLDEBUG
#include <windows.h>
#ifndef RC_INVOKED
#include <windowsx.h>
#else
#define MMNODRV
#define MMNOSOUND
#define MMNOWAVE
#define MMNOMIDI
#define MMNOAUX
#define MMNOMIXER
#define MMNOTIMER
#define MMNOJOY
#define MMNOMMIO
#define MMNOMMSYSTEM
#define MMNOMIDIDEV
#define MMNOWAVEDEV
#define MMNOAUXDEV
#define MMNOMIXERDEV
#define MMNOTIMERDEV
#define MMNOJOYDEV
#define MMNOTASKDEV
#endif
#define MCI_USE_OFFEXT
#include <mmsystem.h>
#include <win32.h> // This must be included, for both versions
#include <mmddk.h>
#include "ntaviprt.h"
#include "common.h"
#include <vfw.h>
#include "digitalv.h"
/*
** Here are some compression types.
*/
#define comptypeRLE0 mmioFOURCC('R','L','E','0')
#define comptypeRLE mmioFOURCC('R','L','E',' ')
#ifndef RC_INVOKED // Don't overload RC!
#include "avifilex.h" // include AVIFile stuff.
#endif // !RC_INVOKED
#include "mciavi.h"
#include "profile.h"
extern const TCHAR szIni[];
extern const TCHAR szReject[];
#ifdef _WIN32
//#define STATEEVENT
/*
* This define causes the code to be compiled with a event defined. This
* event is signalled every time (almost) the task thread changes state.
* Hence the routine waiting for a particular state need not poll.
*/
/*
* On NT keep track of whether this process is WOW or not. Set during
* DRV_LOAD processing.
*/
extern BOOL runningInWow;
#define IsNTWOW() runningInWow
#else // WIN 16
#define IsNTWOW() 0
#endif
#if !defined NUMELMS
#define NUMELMS(aa) (sizeof(aa)/sizeof((aa)[0]))
#endif
// Define this to make the code expire on a given date....
// #define EXPIRE (1994 * 65536 + 1 * 256 + 1) // expire 1/1/1994
#ifndef DRIVE_CDROM
#define DRIVE_CDROM 5
#endif
#define DRIVE_INTERFACE 42
#ifdef EXPIRE
#define MCIERR_AVI_EXPIRED 9999
#endif
#define MCIAVI_PRODUCTNAME 2
#define MCIAVI_VERSION 3
#define MCIAVI_BADMSVIDEOVERSION 4
#define MCIAVI_MENU_CONFIG 5
#define MCIAVI_MENU_STRETCH 6
#define MCIAVI_MENU_MUTE 7
#define MCIAVI_CANT_DRAW_VIDEO 8
#define MCIAVI_CANT_DRAW_STREAM 9
#define INFO_VIDEOFORMAT 10
#define INFO_MONOFORMAT 11
#define INFO_STEREOFORMAT 12
#define INFO_LENGTH 13
#define INFO_FILE 14
#define INFO_KEYFRAMES 15
#define INFO_AUDIO 16
#define INFO_SKIP 17
#define INFO_ADPCM 18
#define INFO_DATARATE 19
#define INFO_SKIPAUDIO 20
#define INFO_FILETYPE 21
#define INFO_FILETYPE_AVI 22
#define INFO_FILETYPE_INT 23
#define INFO_FILETYPE_ALPHA 24
#define INFO_FRAMERATE 25
#define INFO_STREAM 26
#define INFO_DISABLED 27
#define INFO_ALLKEYFRAMES 28
#define INFO_NOKEYFRAMES 29
#define INFO_COMPRESSED 30
#define INFO_NOTREAD 31
#define IDS_IRTL 32
#define IDS_VIDEO 33
#define IDS_VIDEOCAPTION 34
#ifndef RC_INVOKED
#define MCIAVI_MAXSIGNALS 1
#define MCIAVI_MAXWINDOWS 8
/* Flags for dwFlags in MCIGRAPHIC */
#define MCIAVI_STOP 0x00000001L /* We need to stop */
#define MCIAVI_PAUSE 0x00000002L /* We need to be paused */
#define MCIAVI_CUEING 0x00000004L /* We are in a cue command */
#define MCIAVI_WAITING 0x00000008L /* We are waiting for a command to finish */
#define MCIAVI_PLAYAUDIO 0x00000010L /* Audio enabled */
#define MCIAVI_LOSTAUDIO 0x00000020L /* cant get audio device*/
#define MCIAVI_SHOWVIDEO 0x00000040L /* Video enabled */
#define MCIAVI_USING_AVIFILE 0x00000080L /* RTL to AVIFile */
#define MCIAVI_USINGDISPDIB 0x00000100L /* Now in MCGA mode */
#define MCIAVI_NEEDTOSHOW 0x00000200L /* window needs to be shown */
#define MCIAVI_WANTMOVE 0x00000400L /* call CheckWindowMove alot */
#define MCIAVI_ANIMATEPALETTE 0x00000800L /* Palette animated */
#define MCIAVI_NEEDUPDATE 0x00001000L /* Need to redraw full */
#define MCIAVI_PALCHANGED 0x00002000L /* Need to update palette */
#define MCIAVI_STUPIDMODE 0x00004000L /* dont buffer mode */
#define MCIAVI_CANDRAW 0x00008000L /* display driver can draw format */
#define MCIAVI_FULLSCREEN 0x00010000L /* draw fullscreen. */
#define MCIAVI_NEEDDRAWBEGIN 0x00020000L /* compressor is drawing */
#define MCIAVI_UPDATETOMEMORY 0x00040000L /* drawing to a bitmap */
#define MCIAVI_WAVEPAUSED 0x00080000L /* waveOut is temporarily paused */
#define MCIAVI_NOTINTERLEAVED 0x00100000L /* file is not interleaved. */
#define MCIAVI_USERDRAWPROC 0x00200000L /* user has set draw proc*/
#define MCIAVI_LOSEAUDIO 0x00400000L /* do not open wave device */
#define MCIAVI_VOLUMESET 0x00800000L /* Volume has been changed. */
#define MCIAVI_HASINDEX 0x01000000L /* File has index. */
#define MCIAVI_RELEASEDC 0x02000000L /* we got the DC via GetDC */
#define MCIAVI_SEEKING 0x04000000L /* audio disabled for seek. */
#define MCIAVI_UPDATING 0x08000000L /* handling WM_PAINT-don't yield. */
#define MCIAVI_REPEATING 0x10000000L /* repeat when play finishes. */
#define MCIAVI_REVERSE 0x20000000L /* playing backwards.... */
#define MCIAVI_NOBREAK 0x40000000L /* don't allow break out of DISPDIB */
#define MCIAVI_ZOOMBY2 0x80000000L /* fullscreen zoomed by 2 */
/* Flags for dwOptionFlags */
#define MCIAVIO_SEEKEXACT 0x00000001L /* If off, seek goes to
** previous key frame
** instead of real
** target frame. */
#define MCIAVIO_SKIPFRAMES 0x00000002L /* Skip frames to keep
** synchronized. */
#define MCIAVIO_STRETCHTOWINDOW 0x00000004L /* Resize destination
** rectangle if window
** resized. */
#define MCIAVIO_STUPIDMODE 0x00000020L /* Don't do nice updating. */
#define MCIAVIO_ZOOMBY2 0x00000100L
#define MCIAVIO_USEVGABYDEFAULT 0x00000200L
#define MCIAVIO_USEAVIFILE 0x00000400L
#define MCIAVIO_NOSOUND 0x00000800L
#define MCIAVIO_USEDCI 0x00001000L
#define MCIAVIO_1QSCREENSIZE 0x00010000L
#define MCIAVIO_2QSCREENSIZE 0x00020000L
#define MCIAVIO_3QSCREENSIZE 0x00040000L
#define MCIAVIO_MAXWINDOWSIZE 0x00080000L
#define MCIAVIO_DEFWINDOWSIZE 0x00000000L
#define MCIAVIO_WINDOWSIZEMASK 0x000F0000L
#define MCIAVI_ALG_INTERLEAVED 0x0001
#define MCIAVI_ALG_CDROM 0x0002
#define MCIAVI_ALG_HARDDISK 0x0003
#define MCIAVI_ALG_AUDIOONLY 0x0004
#define MCIAVI_ALG_AVIFILE 0x0005
//
// the frame index is indexed by frame number, it is used for
// varible sizeed, fixed rate streams.
//
typedef struct
{
WORD iPrevKey; // prev "key" frame
WORD iNextKey; // next "key" frame
WORD iPalette; // palette frame (this points into index!)
UINT wSmag; //
DWORD dwOffset; // Position of chunk (file offset)
DWORD dwLength; // Length of chunk (in bytes)
} AVIFRAMEINDEX;
#define NOBASED32
#if defined(_WIN32) || defined(NOBASED32)
#define BASED32(p) _huge
#define P32(t,p) ((t _huge *)(p))
#define B32(t,p) ((t _huge *)(p))
#else
#define BASED32(p) _based32((_segment)SELECTOROF(p))
#define P32(t,p) ((t BASED32(p) *)OFFSETOF(p))
#define B32(t,p) ((t BASED32(p) *)0)
#endif
#define Frame(n) (P32(AVIFRAMEINDEX,npMCI->hpFrameIndex) + (DWORD)(n))
#define FrameNextKey(n) (LONG)((n) + (DWORD)Frame(n)->iNextKey)
#define FramePrevKey(n) (LONG)((n) - (DWORD)Frame(n)->iPrevKey)
#define FramePalette(n) (LONG)(Frame(n)->iPalette)
#define FrameOffset(n) (DWORD)(Frame(n)->dwOffset)
#define FrameLength(n) (DWORD)(Frame(n)->dwLength)
#define UseIndex(p) SillyGlobal = (p)
#define Index(n) (B32(AVIINDEXENTRY,npMCI->hpIndex) + (long)(n))
#define IndexOffset(n) Index(n)->dwChunkOffset
#define IndexLength(n) Index(n)->dwChunkLength
#define IndexFlags(n) Index(n)->dwFlags
#define IndexID(n) Index(n)->ckid
typedef struct {
DWORD dwFlags; /* flags, STREAM_ENABLED... */
AVIStreamHeader sh; /* AVIStreamHeader...*/
DWORD cbFormat; /* Stream format...*/
LPVOID lpFormat;
DWORD cbData; /* Extra stream data...*/
LPVOID lpData;
HIC hicDraw; /* Draw codec...*/
RECT rcSource; /* rectangles...*/
RECT rcDest;
LONG lStart; /* start */
LONG lEnd; /* end */
LONG lPlayStart; /* play start */
LONG lPlayFrom; /* play from */
LONG lPlayTo; /* play to */
LONG lFrameDrawn; /* we drew this */
LONG lPos; /* current pos */
LONG lNext; /* next pos */
LONG lLastKey; /* key frame */
LONG lNextKey; /* next key frame */
#ifdef USEAVIFILE
PAVISTREAM ps;
////IAVIStreamVtbl vt; // so we can call direct.
#endif
} STREAMINFO;
#define STREAM_ENABLED 0x0001 // stream is enabled for play
#define STREAM_ACTIVE 0x0002 // stream is active for *current* play
#define STREAM_NEEDUPDATE 0x0004 // stream needs update (paint)
#define STREAM_ERROR 0x0008 // stream did not load
#define STREAM_DIRTY 0x0010 // stream not showing current frame.
#define STREAM_SKIP 0x0100 // can skip data
#define STREAM_PALCHANGES 0x0200 // stream has palette changes
#define STREAM_VIDEO 0x0400 // is a video stream
#define STREAM_AUDIO 0x0800 // is a audio stream
#define STREAM_PALCHANGED 0x1000 // palette has changed
#define STREAM_WANTIDLE 0x2000 // should get idle time
#define STREAM_WANTMOVE 0x4000 // should get ICM_DRAW_WINDOW message
#define SI(stream) (npMCI->paStreamInfo + stream)
#define SH(stream) (SI(stream)->sh)
#define SOURCE(stream) (SI(stream)->rcSource)
#define DEST(stream) (SI(stream)->rcDest)
#define FRAME(stream) (SH(stream).rcFrame)
#define FORMAT(stream) (SI(stream)->lpFormat)
#define VIDFMT(stream) ((LPBITMAPINFOHEADER) FORMAT(stream))
#define AUDFMT(stream) ((LPPCMWAVEFORMAT) FORMAT(stream))
//
// map from "movie" time into stream time.
//
#define TimeToMovie(t) muldiv32(t, npMCI->dwRate, npMCI->dwScale*1000)
#define MovieToTime(l) muldiv32(l, npMCI->dwScale*1000, npMCI->dwRate)
#define TimeToStream(psi, t) muldiv32(t, psi->sh.dwRate, psi->sh.dwScale*1000)
#define StreamToTime(psi, l) muldiv32(l, psi->sh.dwScale*1000, psi->sh.dwRate)
//
// NOTE all dwScale's are equal so we can do this without as many
// multiplies
//
#if 0
#define MovieToStream(psi, l) muldiv32(l, npMCI->dwScale * psi->sh.dwRate, npMCI->dwRate * psi->sh.dwScale)
#define StreamToMovie(psi, l) muldiv32(l, npMCI->dwScale * psi->sh.dwRate, npMCI->dwRate * psi->sh.dwScale)
#else
#define MovieToStream(psi, l) muldiv32(l, psi->sh.dwRate, npMCI->dwRate)
#define StreamToMovie(psi, l) muldiv32(l, psi->sh.dwRate, npMCI->dwRate)
#endif
/*
* dwNTFlags definitions
*/
//#define NTF_AUDIO_ON 0x00000001 Messages are not used to regain wave device
#define NTF_AUDIO_OFF 0x00000002
#define NTF_CLOSING 0x80000000
#define NTF_RETRYAUDIO 0x00000004
#define NTF_RESTARTFORAUDIO 0x00000008
#define NTF_DELETEWINCRITSEC 0x00000010
#define NTF_DELETECMDCRITSEC 0x00000020
#define NTF_DELETEHDCCRITSEC 0x00000040
#ifdef _WIN32
#define ResetNTFlags(npMCI, bits) (npMCI)->dwNTFlags &= ~(bits)
#define SetNTFlags(npMCI, bits) (npMCI)->dwNTFlags |= (bits)
#define TestNTFlags(npMCI, bits) ((npMCI)->dwNTFlags & (bits))
#ifdef REMOTESTEAL
extern HKEY hkey;
#endif
#else
#define ResetNTFlags(npMCI, bits)
#define SetNTFlags(npMCI, bits)
#define TestNTFlags(npMCI, bits) 0
#endif
/*
* RECT macros to get X,Y,Width,Height
*/
#define RCX(rc) ((rc).left)
#define RCY(rc) ((rc).top)
#define RCW(rc) ((rc).right - (rc).left)
#define RCH(rc) ((rc).bottom - (rc).top)
#ifdef _WIN32
// interaction between worker and winproc thread.
// winproc thread sets these bits in npMCI->winproc_request
#define WINPROC_STOP 0x0001 // stop play
#define WINPROC_RESETDEST 0x0002 // reset dest rect (window sized)
#define WINPROC_MUTE 0x0004 // mute flag changed
#define WINPROC_ACTIVE 0x0008 // got activation
#define WINPROC_INACTIVE 0x0010 // lost activation
#define WINPROC_UPDATE 0x0020 // window needs painting
#define WINPROC_REALIZE 0x0040 // palette needs realizing
#define WINPROC_SILENT 0x0100 // go silent (release wave device)
#define WINPROC_SOUND 0x0200 // restore sound (get wave device)
#endif
/*
* The major control block for an AVI device
* Define markers to more easily identify the control block when dumping
*/
#define MCIID (DWORD)(((WORD)('V' | ('F'<<8))) | ((WORD)('W' | ('>'<<8))<<16))
#define MCIIDX (DWORD)(((WORD)('v' | ('f'<<8))) | ((WORD)('w' | ('-'<<8))<<16))
typedef struct _MCIGRAPHIC {
// --- these fields accessed by user thread -------------------------
#ifdef DEBUG
DWORD mciid; /* visible identifier */
#endif
struct _MCIGRAPHIC *npMCINext;
/*
** Basic MCI information
*/
HWND hCallback; /* callback window handle */
UINT wDevID; /* device ID */
// -----new inter-task communication zone
CRITICAL_SECTION CmdCritSec; // hold this to make request
// next two events must be contiguous - WaitForMultipleObjects
HANDLE hEventSend; // set to signal a request
HANDLE heWinProcRequest; // set when something to process
#define IDLEWAITFOR 2
// note - next two events are passed as an array to WaitForMultipleObjects
HANDLE hEventResponse; // signalled by worker on req done.
HANDLE hThreadTermination; /* Handle to wait on for thread to
terminate so it's safe to unload DLL
Must be closed by us */
HANDLE hEventAllDone; // signalled on end of play
int EntryCount; // used to prevent re-entry on current thread
UINT message; // request message (from mciDriverEntry)
DWORD dwParamFlags; // request param
LPARAM lParam; // request param
DWORD dwReturn; // return value
DWORD_PTR dwReqCallback; // callback for this request
BOOL bDelayedComplete; // is async request with wait?
HTASK hRequestor; // task id of requesting task
DWORD dwTaskError; /* error return from task */
// --- read by user thread to optimise status/position queries------
UINT wTaskState; /* current task state */
DWORD dwFlags; /* flags */
LONG lCurrentFrame; /* current frame */
DWORD dwBufferedVideo;
LONG lRealStart; /* frame playback starts */
// user thread uses this for volume setting only
HWAVEOUT hWave; /* wave device handle */
DWORD dwVolume; /* Audio volume, 1000 is full on */
LONG lFrames; /* number of frames in movie */
// --- nothing below here touched by user thread (after init)--------------
#if 0 /////UNUSED
// the original interface before we marshalled it
PAVIFILE pf_AppThread;
// marshalled into this block for passing to worker thread
HANDLE hMarshalling;
#endif/////UNUSED
// set to TRUE during processing of an Update requested by the winproc
// thread - don't do ShowStage during this as could cause deadlock
BOOL bDoingWinUpdate;
/*
** Internal task operation status and flags
*/
#ifndef _WIN32
UINT pspTask; /* background task's PSP */
UINT pspParent; /* PSP of the calling app */
#else
DWORD dwNTFlags; /* NT specific flags */
HTASK hWaiter; // task waiting on hEventAllDone
// communication between worker and winproc threads
// note: next two events must be contiguous - passed to WaitForMultiple..
HANDLE hThreadWinproc; // signalled on thread exit
HANDLE hEventWinProcOK; // signalled on init ok
HANDLE hEventWinProcDie; // tell winproc thread to die
CRITICAL_SECTION WinCritSec; // protect worker - winproc interaction
CRITICAL_SECTION HDCCritSec; // protect worker - winproc drawing
// ** VERY IMPORTANT ** IF both critical sections are needed then they
// MUST be obtained in this order: WinCrit, then HDCCrit
#ifdef DEBUG
DWORD WinCritSecOwner;
LONG WinCritSecDepth;
DWORD HDCCritSecOwner;
LONG HDCCritSecDepth;
#endif
// winproc sets bits in this (protected by WinCritSec) to
// request stop/mute actions asynchronously
DWORD dwWinProcRequests;
// saved state over temporary stop
UINT oldState;
long oldTo;
long oldFrom;
DWORD oldFlags;
DWORD_PTR oldCallback;
#endif
HTASK hTask; /* task id */
HTASK hCallingTask; /* task who opened us */
UINT uErrorMode; /* SetErrorMode value for calling task */
UINT wMessageCurrent;/* Command in progress, or zero */
DWORD dwOptionFlags; /* more flags */
/*
** Additional information controlled by MCI commands
*/
HPALETTE hpal; /* Palette forced with MCI commands */
HWND hwndPlayback; /* window handle for playback */
HWND hwndDefault; /* default window handle */
HWND hwndOldFocus; /* window which had keyboard focus */
BOOL fForceBackground;/* Select palette in foreground or back? */
DWORD dwTimeFormat; /* current time format */
RECT rcMovie; /* main movie rect */
RECT rcSource; /* drawing source rect */
RECT rcDest; /* drawing destination rect */
#ifdef DEBUG
LONG PlaybackRate; /* 1000 is normal, more is fast.... */
#endif
DWORD dwSpeedFactor; /* 1000 is normal, more is fast.... */
// What is this flag? We only listen to the zoom by 2 or fixed % window
// size registry defaults if we're using the default window, not if
// somebody is playing in their own window. But when we open an AVI,
// (like we're doing now) we don't know yet what window they'll pick!
// So let's make a note that so far there's no reason not to listen to
// the defaults, and if anybody resizes, or changes the window handle,
// or makes the default window not resizable, then we won't.
BOOL fOKToUseDefaultSizing;
/*
* window creation parameters to open
*/
DWORD dwStyle;
HWND hwndParent;
/*
** Information about currently open file
*/
UINT uDriveType; /* drive type */
NPTSTR szFilename; /* AVI filename */
DWORD dwBytesPerSec; /* file attributes */
DWORD dwRate; /* master time base */
DWORD dwScale;
DWORD dwMicroSecPerFrame;
DWORD dwSuggestedBufferSize;
DWORD dwKeyFrameInfo; /* how often key frames occur */
UINT wEarlyAudio; /* more file information */
UINT wEarlyVideo;
UINT wEarlyRecords;
STREAMINFO NEAR *paStreamInfo;
int streams; // total streams
int nAudioStreams; // total audio streams
int nVideoStreams; // total video streams
int nOtherStreams; // total other streams
int nErrorStreams; // total error streams
int nAudioStream; // current audio stream.
int nVideoStream; // "master" video stream
STREAMINFO *psiAudio; // points to video stream
STREAMINFO *psiVideo; // points to audio stream
#ifdef USEAVIFILE
PAVIFILE pf;
////IAVIFileVtbl vt; // so we can call direct.
#else
LPVOID pf; // variable to be zero.
#endif
/*
** video stream junk
*/
BOOL fNoDrawing;
LONG lFrameDrawn; /* number of last frame drawn */
/* Drawing information */
HDC hdc; /* DC we're playing into */
/* Video format */
BITMAPINFOHEADER FAR *pbiFormat; /* video format information */
/* BitmapInfo used for drawing */
BITMAPINFOHEADER bih; /* video format information */
RGBQUAD argb[256]; /* current drawing colors */
RGBQUAD argbOriginal[256]; /* original colors */
/*
** Installable compressor information
*/
//!!! move all this into the screen draw function!!!
//!!! all this should be in DrawDIB !!!
HIC hic;
HIC hicDraw;
LONG cbDecompress;
HPSTR hpDecompress; /* pointer to full frame buffer */
/*
** Holding area for compressors we might use....
*/
HIC hicDecompress;
HIC hicDrawDefault;
HIC hicDrawFull;
HIC hicInternal;
HIC hicInternalFull;
LONG lLastPaletteChange;
LONG lNextPaletteChange;
/*
** wave stream junk
*/
/* Wave format stuff */
NPWAVEFORMAT pWF; /* current wave format */
UINT wABs; /* number of audio buffers */
UINT wABOptimal; /* number full if synchronized */
DWORD dwABSize; /* size of one audio buffer */
HMMIO hmmioAudio;
BOOL fEmulatingVolume;/* Are we doing volume by table lookup? */
BYTE * pVolumeTable;
DWORD dwAudioLength;
DWORD dwAudioPos;
/* Wave Output Device */
UINT wABFull; /* number now full */
UINT wNextAB; /* next buffer in line */
UINT nAudioBehind; /* how many audio below full */
HPSTR lpAudio; /* pointer to audio buffers */
DWORD dwUsedThisAB;
/*
** File index information
*/
AVIINDEXENTRY _huge * hpIndex; /* pointer to index */
DWORD macIndex; /* # records in index */
AVIFRAMEINDEX _huge * hpFrameIndex; /* pointer to frame index */
HANDLE hgFrameIndex; // handle to non-offset memory
/*
** play/seek params
*/
LONG lTo; /* frame we're playing to */
LONG lFrom; /* frame we're playing from */
LONG lRepeatFrom; /* Frame to repeat from */
/*
** Information regarding current play
*/
UINT wPlaybackAlg; /* playback algorithm in use */
LONG lAudioStart; /* first audio frame to play */
LONG lVideoStart; /* first video frame to play */
LONG lLastRead;
/* Timing */
LONG lFramePlayStart;/* Frame playing started at */
DWORD dwTotalMSec; /* Total time spent playing */
DWORD dwMSecPlayStart;/* Start time */
DWORD dwTimingStart;
DWORD dwPauseTime;
DWORD dwPlayMicroSecPerFrame;
DWORD dwAudioPlayed;
/*
** Timing information
*/
#ifdef DEBUG
#define INTERVAL_TIMES
#endif
#ifdef INTERVAL_TIMES
#define NBUCKETS 25
#define BUCKETSIZE 10
//#define NTIMES 200
// frame interval timing
DWORD dwStartTime;
long msFrameMax;
long msFrameMin;
long msFrameTotal;
long msSquares;
long nFrames;
int buckets[NBUCKETS+1];
long * paIntervals;
long cIntervals;
//long intervals[NTIMES];
long msReadTimeuS;
long msReadMaxBytesPer;
long msReadMax;
long msReadTotal;
long nReads;
#endif
DWORD dwLastDrawTime; /* How long did the last draw take? */
DWORD dwLastReadTime;
DWORD msPeriodResolution; /* Clock resolution for this video */
/* Timing information kept after play completes */
DWORD dwSkippedFrames; /* Frames skipped during current play */
DWORD dwFramesSeekedPast; /* Frames not even read */
DWORD dwAudioBreaks; /* # times audio broke up, approx. */
DWORD dwSpeedPercentage; /* Ratio of ideal time to time taken */
/* Timing information for last play */
LONG lFramesPlayed;
LONG lSkippedFrames; /* Frames skipped during last play */
LONG lFramesSeekedPast; /* Frames not even read */
LONG lAudioBreaks; /* # times audio broke up, approx. */
/*
** Information for pending 'signal' command
*/
DWORD dwSignals;
DWORD dwSignalFlags;
MCI_DGV_SIGNAL_PARMS signal;
/*
** Information for watching to see if window has moved.
*/
UINT wRgnType; /* Region type, empty, simple, complex.... */
#ifdef _WIN32
POINT dwOrg; /* Physical DC origin */
#else
DWORD dwOrg; /* Physical DC origin */
#endif
RECT rcClip; /* clip box */
/*
** specific to RIFF files
*/
HMMIO hmmio; /* animation file handle */
BOOL fReadMany; /* read more than one record */
DWORD dwFirstRecordPosition;
DWORD dwFirstRecordSize;
DWORD dwFirstRecordType;
DWORD dwNextRecordSize; // used for ReadNextChunk
DWORD dwNextRecordType;
DWORD dwMovieListOffset;
DWORD dwBigListEnd;
/* Read Buffer */
HPSTR lp; /* work pointer */
LPVOID lpMMIOBuffer; /* pointer to MMIO read buffer */
HPSTR lpBuffer; /* pointer to read buffer */
DWORD dwBufferSize; /* Read buffer size */
DWORD dwThisRecordSize; /* size of current record */
/*
** DEBUG stuff and more timing info.
*/
#ifdef DEBUG
HANDLE hdd; //!!!
LONG timePlay; /* total play time */
LONG timePrepare; /* time to prepare for play */
LONG timeCleanup; /* time to clean up play */
LONG timePaused; /* paused time */
LONG timeRead; /* time reading from disk */
LONG timeWait; /* time waiting */
LONG timeYield; /* time yielding to other apps */
LONG timeVideo; /* time "drawing" video stream */
LONG timeAudio; /* time "drawing" audio stream */
LONG timeOther; /* time "drawing" other streams */
LONG timeDraw; /* time drawing frame via DrawDib/DispDib/ICDraw */
LONG timeDecompress; /* time decompressing frame via ICDecompress */
#endif
#ifdef AVIREAD
/*
* handle to current async read object
*/
HAVIRD hAviRd;
HPSTR lpOldBuffer;
#endif
} MCIGRAPHIC, *NPMCIGRAPHIC, FAR *LPMCIGRAPHIC;
extern HANDLE ghModule; // in DRVPROC.C
extern TCHAR szClassName[]; // in WINDOW.C
/*
** Flags to protect ourselves in case we're closed with a dialog up...
*/
extern BOOL gfEvil; // in GRAPHIC.C
extern BOOL gfEvilSysMenu; // in GRAPHIC.C
extern HDRVR ghdrvEvil; // in GRAPHIC.C
/*
** Functions in GRAPHIC.C
*/
LPCTSTR FAR FileName(LPCTSTR szPath);
BOOL FAR PASCAL GraphicInit (void);
BOOL NEAR PASCAL GraphicWindowInit (void);
#ifdef _WIN32
BOOL NEAR PASCAL GraphicWindowFree(void);
void aviWinProcTask(DWORD_PTR dwInst);
#endif
void PASCAL GraphicFree (void);
DWORD PASCAL GraphicDrvOpen (LPMCI_OPEN_DRIVER_PARMS lpParms);
void FAR PASCAL GraphicDelayedNotify (NPMCIGRAPHIC npMCI, UINT wStatus);
void FAR PASCAL GraphicImmediateNotify (UINT wDevID,
LPMCI_GENERIC_PARMS lpParms,
DWORD dwFlags, DWORD dwErr);
DWORD PASCAL GraphicClose(NPMCIGRAPHIC npMCI);
DWORD NEAR PASCAL ConvertFromFrames(NPMCIGRAPHIC npMCI, LONG lFrame);
LONG NEAR PASCAL ConvertToFrames(NPMCIGRAPHIC npMCI, DWORD dwTime);
DWORD PASCAL mciDriverEntry(UINT wDeviceID, UINT wMessage, DWORD dwFlags, LPMCI_GENERIC_PARMS lpParms);
LRESULT FAR PASCAL _loadds GraphicWndProc(HWND, UINT, WPARAM, LPARAM);
void CheckWindowMove(NPMCIGRAPHIC npMCI, BOOL fForce);
DWORD InternalGetPosition(NPMCIGRAPHIC npMCI, LPLONG lpl);
// now called only on worker thread
void NEAR PASCAL GraphicSaveCallback (NPMCIGRAPHIC npMCI, HANDLE hCallback);
/*
* Functions in DEVICE.C
*
* All these DeviceXXX functions are called on USER THREAD ONLY (ok?)
* EXCEPT for DeviceSetActive which is called on the winproc thread.
* (From InternalRealize...CheckIfActive...DeviceSetActive)
*/
DWORD PASCAL DeviceOpen(NPMCIGRAPHIC npMCI, DWORD dwFlags);
DWORD PASCAL DeviceClose(NPMCIGRAPHIC npMCI);
DWORD PASCAL DevicePlay(
NPMCIGRAPHIC npMCI,
DWORD dwFlags,
LPMCI_DGV_PLAY_PARMS lpPlay,
LPARAM dwCallback
);
DWORD PASCAL DeviceResume(NPMCIGRAPHIC npMCI, DWORD dwFlags, LPARAM dwCallback);
DWORD PASCAL DeviceCue(NPMCIGRAPHIC npMCI, LONG lTo, DWORD dwFlags, LPARAM dwCallback);
DWORD PASCAL DeviceStop(NPMCIGRAPHIC npMCI, DWORD dwFlags);
DWORD PASCAL DevicePause(NPMCIGRAPHIC npMCI, DWORD dwFlags, LPARAM dwCallback);
DWORD PASCAL DeviceSeek(NPMCIGRAPHIC npMCI, LONG lTo, DWORD dwFlags, LPARAM dwCallback);
DWORD PASCAL DeviceRealize(NPMCIGRAPHIC npMCI);
DWORD PASCAL DeviceUpdate(NPMCIGRAPHIC npMCI, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS lpParms);
UINT PASCAL DeviceMode(NPMCIGRAPHIC npMCI);
DWORD PASCAL DevicePosition(NPMCIGRAPHIC npMCI, LPLONG lpl);
DWORD PASCAL DeviceSetWindow(NPMCIGRAPHIC npMCI, HWND hwnd);
DWORD PASCAL DeviceSetSpeed(NPMCIGRAPHIC npMCI, DWORD dwNewSpeed);
DWORD PASCAL DeviceMute(NPMCIGRAPHIC npMCI, BOOL fMute);
DWORD PASCAL DeviceSetVolume(NPMCIGRAPHIC npMCI, DWORD dwVolume);
DWORD PASCAL DeviceGetVolume(NPMCIGRAPHIC npMCI);
DWORD PASCAL DeviceSetAudioStream(NPMCIGRAPHIC npMCI, UINT uStream);
DWORD PASCAL DeviceSetVideoStream(NPMCIGRAPHIC npMCI, UINT uStream, BOOL fOn);
DWORD PASCAL DeviceSetActive(NPMCIGRAPHIC npMCI, BOOL fActive);
DWORD FAR PASCAL DevicePut(NPMCIGRAPHIC npMCI, LPRECT lprc, DWORD dwFlags);
DWORD FAR PASCAL DeviceSetPalette(NPMCIGRAPHIC npMCI, HPALETTE hpal);
DWORD FAR PASCAL DeviceSetPaletteColor(NPMCIGRAPHIC npMCI, DWORD index, DWORD color);
void CheckIfActive(NPMCIGRAPHIC npMCI);
// in window.c
void FAR PASCAL AlterRectUsingDefaults(NPMCIGRAPHIC npMCI, LPRECT lprc);
void FAR PASCAL SetWindowToDefaultSize(NPMCIGRAPHIC npMCI, BOOL fUseDefaultSizing);
// user thread version
void FAR PASCAL ResetDestRect(NPMCIGRAPHIC npMCI, BOOL fUseDefaultSizing);
// same as ResetDestRect, but called on winproc thread
void FAR PASCAL Winproc_DestRect(NPMCIGRAPHIC npMCI, BOOL fUseDefaultSizing);
DWORD FAR PASCAL ReadConfigInfo(void);
void FAR PASCAL WriteConfigInfo(DWORD dwOptions);
BOOL FAR PASCAL ConfigDialog(HWND, NPMCIGRAPHIC);
/*
** The Enumerate command isn't real: I'm just thinking about it.
*/
#define MCI_ENUMERATE 0x0901
#define MCI_ENUMERATE_STREAM 0x00000001L
// constants for dwItem field of MCI_STATUS_PARMS parameter block
#define MCI_AVI_STATUS_STREAMCOUNT 0x10000001L
#define MCI_AVI_STATUS_STREAMTYPE 0x10000002L
#define MCI_AVI_STATUS_STREAMENABLED 0x10000003L
// flags for dwFlags field of MCI_STATUS_PARMS parameter block
#define MCI_AVI_STATUS_STREAM 0x10000000L
// flags for dwFlags field of MCI_SET_PARMS parameter block
#define MCI_AVI_SET_STREAM 0x10000000L
#define MCI_AVI_SET_USERPROC 0x20000000L
/*
** Internal flag that can be used with SEEK
*/
#define MCI_AVI_SEEK_SHOWWINDOW 0x10000000L
/*
** in AVIPLAY.C (and GRAPHIC.C)
*/
extern INT gwSkipTolerance;
extern INT gwHurryTolerance;
extern INT gwMaxSkipEver;
extern BOOL gfUseGetPosition;
extern LONG giGetPositionAdjust;
#ifdef _WIN32
#define DEFAULTUSEGETPOSITION TRUE
#else
#define DEFAULTUSEGETPOSITION FALSE
#endif
/**************************************************************************
**************************************************************************/
#ifdef DEBUG
#define TIMEZERO(time) npMCI->time = 0;
#define TIMESTART(time) npMCI->time -= (LONG)timeGetTime()
#define TIMEEND(time) npMCI->time += (LONG)timeGetTime()
#else
#define TIMEZERO(time)
#define TIMESTART(time)
#define TIMEEND(time)
#endif
/**************************************************************************
**************************************************************************/
#define FOURCC_AVIDraw mmioFOURCC('D','R','A','W')
#define FOURCC_AVIFull mmioFOURCC('F','U','L','L')
LRESULT FAR PASCAL _loadds ICAVIDrawProc(DWORD_PTR id, HDRVR hDriver, UINT uiMessage, LPARAM lParam1, LPARAM lParam2);
LRESULT FAR PASCAL _loadds ICAVIFullProc(DWORD_PTR id, HDRVR hDriver, UINT uiMessage, LPARAM lParam1, LPARAM lParam2);
/**************************************************************************
**************************************************************************/
#include "avitask.h"
/**************************************************************************
Macros and constants for accessing the list of open MCI devices.
In the debug build we track who has access to the list.
**************************************************************************/
extern NPMCIGRAPHIC npMCIList; // in graphic.c
#ifdef _WIN32
extern CRITICAL_SECTION MCIListCritSec; // in graphic.c
#ifdef DEBUG
// The debug versions of the macros track who owns the critical section
extern DWORD ListOwner;
#define EnterList() { EnterCriticalSection(&MCIListCritSec); \
ListOwner=GetCurrentThreadId();\
}
#define LeaveList() { ListOwner=0;\
LeaveCriticalSection(&MCIListCritSec);\
}
#else // !debug
#define EnterList() EnterCriticalSection(&MCIListCritSec);
#define LeaveList() LeaveCriticalSection(&MCIListCritSec);
#endif //DEBUG
// this critical section is used to protect drawing code from
// interaction between the winproc and the worker thread. the user
// thread should not need to hold this ever.
#ifdef DEBUG
// The debug versions of the EnterWinCrit/LeaveWinCrit macros track who
// owns the window critical section. This makes it possible to Assert
// in the code that we are validly in (or out) of the critical section.
#define EnterWinCrit(p) { EnterCriticalSection(&(p)->WinCritSec); \
(p)->WinCritSecOwner=GetCurrentThreadId(); \
/* The first enter should mean that we do */\
/* NOT own the HDC critical section */\
if (!((p)->WinCritSecDepth++)) \
{ HDCCritCheckOut(p) }; \
}
#define LeaveWinCrit(p) { if(0 == (--(p)->WinCritSecDepth)) \
(p)->WinCritSecOwner=0; \
if ((p)->WinCritSecDepth<0) { \
DebugBreak(); \
} \
LeaveCriticalSection(&(p)->WinCritSec); \
}
#define WinCritCheckIn(p) if ((p)->WinCritSecOwner != GetCurrentThreadId())\
Assert(!"Should own the window critical section");
#define WinCritCheckOut(p) if ((p)->WinCritSecOwner == GetCurrentThreadId()) \
Assert(!"Should not own the window critical section");
#define EnterHDCCrit(p) { EnterCriticalSection(&(p)->HDCCritSec); \
(p)->HDCCritSecOwner=GetCurrentThreadId(); \
(p)->HDCCritSecDepth++; \
}
#define LeaveHDCCrit(p) { if(0 == (--(p)->HDCCritSecDepth)) \
(p)->HDCCritSecOwner=0; \
if ((p)->HDCCritSecDepth<0) { \
DebugBreak(); \
} \
LeaveCriticalSection(&(p)->HDCCritSec); \
}
#define HDCCritCheckIn(p) if ((p)->HDCCritSecOwner != GetCurrentThreadId())\
Assert(!"Should own the hdc critical section");
#define HDCCritCheckOut(p) if ((p)->HDCCritSecOwner == GetCurrentThreadId()) \
Assert(!"Should not own the hdc critical section");
#else // Non debug versions
#define EnterWinCrit(npMCI) EnterCriticalSection(&npMCI->WinCritSec)
#define LeaveWinCrit(npMCI) LeaveCriticalSection(&npMCI->WinCritSec)
#define WinCritCheckIn(p)
#define WinCritCheckOut(p)
#define EnterHDCCrit(npMCI) EnterCriticalSection(&npMCI->HDCCritSec)
#define LeaveHDCCrit(npMCI) LeaveCriticalSection(&npMCI->HDCCritSec)
#define HDCCritCheckIn(p)
#define HDCCritCheckOut(p)
#endif
#else // !_WIN32
#define EnterList()
#define LeaveList()
#define EnterWinCrit(n)
#define LeaveWinCrit(n)
#endif
#endif // RC_INVOKED
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