268 lines
8.0 KiB
C
268 lines
8.0 KiB
C
/*
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* Very simple AVIPLAYER
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*
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* Copyright 1999 Marcus Meissner
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*
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* Status:
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* - plays .avi streams, video only
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* - requires MicroSoft avifil32.dll and builtin msvfw32.dll.
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*
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* Todo:
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* - audio support (including synchronization etc)
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* - replace DirectDraw by a 'normal' window, including dithering, controls
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* etc.
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*
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* Bugs:
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* - no time scheduling, video plays too fast using DirectDraw/XF86DGA
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* - requires DirectDraw with all disadvantages.
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*/
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#include <stdio.h>
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#include <time.h>
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#include <assert.h>
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#include <strings.h>
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#include "windows.h"
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#include "wingdi.h"
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#include "mmsystem.h"
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#include "ddraw.h"
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#include "vfw.h"
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int PASCAL WinMain (HANDLE hInstance, HANDLE prev, LPSTR cmdline, int show)
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{
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int bytesline,i,n,pos;
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time_t tstart,tend;
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LONG cnt;
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BITMAPINFOHEADER *bmi;
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HRESULT hres;
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HMODULE avifil32 = LoadLibrary("avifil32.dll");
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PAVIFILE avif;
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PAVISTREAM vids=NULL,auds=NULL;
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AVIFILEINFO afi;
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AVISTREAMINFO asi;
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PGETFRAME vidgetframe=NULL;
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LPDIRECTDRAW ddraw;
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DDSURFACEDESC dsdesc;
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LPDIRECTDRAWSURFACE dsurf;
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LPDIRECTDRAWPALETTE dpal;
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PALETTEENTRY palent[256];
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void (WINAPI *fnAVIFileInit)(void);
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void (WINAPI *fnAVIFileExit)(void);
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ULONG (WINAPI *fnAVIFileRelease)(PAVIFILE);
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ULONG (WINAPI *fnAVIStreamRelease)(PAVISTREAM);
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HRESULT (WINAPI *fnAVIFileOpen)(PAVIFILE * ppfile,LPCTSTR szFile,UINT uMode,LPCLSID lpHandler);
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HRESULT (WINAPI *fnAVIFileInfo)(PAVIFILE ppfile,AVIFILEINFO *afi,LONG size);
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HRESULT (WINAPI *fnAVIFileGetStream)(PAVIFILE ppfile,PAVISTREAM *afi,DWORD fccType,LONG lParam);
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HRESULT (WINAPI *fnAVIStreamInfo)(PAVISTREAM iface,AVISTREAMINFO *afi,LONG size);
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HRESULT (WINAPI *fnAVIStreamReadFormat)(PAVISTREAM iface,LONG pos,LPVOID format,LPLONG size);
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PGETFRAME (WINAPI *fnAVIStreamGetFrameOpen)(PAVISTREAM iface,LPBITMAPINFOHEADER wanted);
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LPVOID (WINAPI *fnAVIStreamGetFrame)(PGETFRAME pg,LONG pos);
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HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
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#define XX(x) fn##x = (void*)GetProcAddress(avifil32,#x);assert(fn##x);
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#ifdef UNICODE
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# define XXT(x) fn##x = (void*)GetProcAddress(avifil32,#x##"W");assert(fn##x);
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#else
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# define XXT(x) fn##x = (void*)GetProcAddress(avifil32,#x##"A");assert(fn##x);
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#endif
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/* non character dependend routines: */
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XX (AVIFileInit);
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XX (AVIFileExit);
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XX (AVIFileRelease);
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XX (AVIFileGetStream);
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XX (AVIStreamRelease);
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XX (AVIStreamReadFormat);
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XX (AVIStreamGetFrameOpen);
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XX (AVIStreamGetFrame);
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XX (AVIStreamGetFrameClose);
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/* A/W routines: */
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XXT(AVIFileOpen);
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XXT(AVIFileInfo);
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XXT(AVIStreamInfo);
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#undef XX
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#undef XXT
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fnAVIFileInit();
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if (-1==GetFileAttributes(cmdline)) {
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fprintf(stderr,"Usage: aviplay <avifilename>\n");
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exit(1);
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}
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hres = fnAVIFileOpen(&avif,cmdline,OF_READ,NULL);
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if (hres) {
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fprintf(stderr,"AVIFileOpen: 0x%08lx\n",hres);
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exit(1);
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}
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hres = fnAVIFileInfo(avif,&afi,sizeof(afi));
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if (hres) {
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fprintf(stderr,"AVIFileInfo: 0x%08lx\n",hres);
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exit(1);
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}
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for (n=0;n<afi.dwStreams;n++) {
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char buf[5];
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PAVISTREAM ast;
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hres = fnAVIFileGetStream(avif,&ast,0,n);
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if (hres) {
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fprintf(stderr,"AVIFileGetStream %d: 0x%08lx\n",n,hres);
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exit(1);
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}
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hres = fnAVIStreamInfo(ast,&asi,sizeof(asi));
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if (hres) {
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fprintf(stderr,"AVIStreamInfo %d: 0x%08lx\n",n,hres);
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exit(1);
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}
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fprintf(stderr,"[Stream %d: ",n);
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buf[4]='\0';memcpy(buf,&(asi.fccType),4);
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fprintf(stderr,"%s.",buf);
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buf[4]='\0';memcpy(buf,&(asi.fccHandler),4);
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fprintf(stderr,"%s, %s]\n",buf,asi.szName);
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switch (asi.fccType) {
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case streamtypeVIDEO:
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vids = ast;
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break;
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case streamtypeAUDIO:
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auds = ast;
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break;
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default: {
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char type[5];
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type[4]='\0';memcpy(type,&(asi.fccType),4);
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fprintf(stderr,"Unhandled streamtype %s\n",type);
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fnAVIStreamRelease(ast);
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break;
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}
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}
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}
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/********************* begin video setup ***********************************/
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if (!vids) {
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fprintf(stderr,"No video stream found. Good Bye.\n");
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exit(0);
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}
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cnt = sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
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bmi = HeapAlloc(GetProcessHeap(),0,cnt);
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hres = fnAVIStreamReadFormat(vids,0,bmi,&cnt);
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if (hres) {
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fprintf(stderr,"AVIStreamReadFormat vids: 0x%08lx\n",hres);
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exit(1);
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}
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vidgetframe = NULL;
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bmi->biCompression = 0; /* we want it in raw form, uncompressed */
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/* recalculate the image size */
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bmi->biSizeImage = ((bmi->biWidth*bmi->biBitCount+31)&~0x1f)*bmi->biPlanes*bmi->biHeight/8;
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bytesline = ((bmi->biWidth*bmi->biBitCount+31)&~0x1f)*bmi->biPlanes/8;
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vidgetframe = fnAVIStreamGetFrameOpen(vids,bmi);
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if (!vidgetframe) {
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fprintf(stderr,"AVIStreamGetFrameOpen: failed\n");
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exit(1);
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}
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/********************* end video setup ***********************************/
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/********************* begin display setup *******************************/
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hres = DirectDrawCreate(NULL,&ddraw,NULL);
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if (hres) {
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fprintf(stderr,"DirectDrawCreate: 0x%08lx\n",hres);
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exit(1);
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}
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hres = ddraw->lpvtbl->fnSetDisplayMode(ddraw,bmi->biWidth,bmi->biHeight,bmi->biBitCount);
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if (hres) {
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fprintf(stderr,"ddraw.SetDisplayMode: 0x%08lx (change resolution!)\n",hres);
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exit(1);
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}
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dsdesc.dwSize=sizeof(dsdesc);
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dsdesc.dwFlags = DDSD_CAPS;
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dsdesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
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hres = ddraw->lpvtbl->fnCreateSurface(ddraw,&dsdesc,&dsurf,NULL);
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if (hres) {
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fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
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exit(1);
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}
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if (bmi->biBitCount==8) {
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RGBQUAD *rgb = (RGBQUAD*)(bmi+1);
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int i;
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hres = ddraw->lpvtbl->fnCreatePalette(ddraw,DDPCAPS_8BIT,NULL,&dpal,NULL);
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if (hres) {
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fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
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exit(1);
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}
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dsurf->lpvtbl->fnSetPalette(dsurf,dpal);
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for (i=0;i<bmi->biClrUsed;i++) {
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palent[i].peRed = rgb[i].rgbRed;
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palent[i].peBlue = rgb[i].rgbBlue;
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palent[i].peGreen = rgb[i].rgbGreen;
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}
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dpal->lpvtbl->fnSetEntries(dpal,0,0,bmi->biClrUsed,palent);
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} else
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dpal = NULL;
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/********************* end display setup *******************************/
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tstart = time(NULL);
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pos = 0;
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while (1) {
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LPVOID decodedframe;
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LPBITMAPINFOHEADER lpbmi;
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LPVOID decodedbits;
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/* video stuff */
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if (!(decodedframe=fnAVIStreamGetFrame(vidgetframe,pos++)))
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break;
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lpbmi = (LPBITMAPINFOHEADER)decodedframe;
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decodedbits = (LPVOID)(((DWORD)decodedframe)+lpbmi->biSize);
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if (lpbmi->biBitCount == 8) {
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/* cant detect palette change that way I think */
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RGBQUAD *rgb = (RGBQUAD*)(lpbmi+1);
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int i,palchanged;
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/* skip used colorentries. */
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decodedbits+=bmi->biClrUsed*sizeof(RGBQUAD);
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palchanged = 0;
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for (i=0;i<bmi->biClrUsed;i++) {
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if ( (palent[i].peRed != rgb[i].rgbRed) ||
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(palent[i].peBlue != rgb[i].rgbBlue) ||
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(palent[i].peGreen != rgb[i].rgbGreen)
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) {
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palchanged = 1;
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break;
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}
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}
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if (palchanged) {
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for (i=0;i<bmi->biClrUsed;i++) {
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palent[i].peRed = rgb[i].rgbRed;
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palent[i].peBlue = rgb[i].rgbBlue;
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palent[i].peGreen = rgb[i].rgbGreen;
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}
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dpal->lpvtbl->fnSetEntries(dpal,0,0,bmi->biClrUsed,palent);
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}
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}
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dsdesc.dwSize = sizeof(dsdesc);
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hres = dsurf->lpvtbl->fnLock(dsurf,NULL,&dsdesc,DDLOCK_WRITEONLY,0);
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if (hres) {
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fprintf(stderr,"dsurf.Lock: 0x%08lx\n",hres);
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exit(1);
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}
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/* Argh. AVIs are upside down. */
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for (i=0;i<dsdesc.dwHeight;i++) {
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memcpy( dsdesc.y.lpSurface+(i*dsdesc.lPitch),
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decodedbits+bytesline*(dsdesc.dwHeight-i-1),
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bytesline
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);
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}
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dsurf->lpvtbl->fnUnlock(dsurf,dsdesc.y.lpSurface);
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}
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tend = time(NULL);
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fnAVIStreamGetFrameClose(vidgetframe);
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((IUnknown*)dsurf)->lpvtbl->fnRelease((IUnknown*)dsurf);
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ddraw->lpvtbl->fnRestoreDisplayMode(ddraw);
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((IUnknown*)ddraw)->lpvtbl->fnRelease((IUnknown*)ddraw);
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if (vids) fnAVIStreamRelease(vids);
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if (auds) fnAVIStreamRelease(auds);
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fprintf(stderr,"%d frames at %g frames/s\n",pos,pos*1.0/(tend-tstart));
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fnAVIFileRelease(avif);
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fnAVIFileExit();
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return 0;
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}
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