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Fixed image size and line size, added 8bit color/palette handling.

This commit is contained in:
Marcus Meissner 1999-02-09 14:08:29 +00:00 committed by Alexandre Julliard
parent b5e0271aba
commit 2b9ef809ea
1 changed files with 55 additions and 5 deletions
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60
programs/avitools/aviplay.c
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@ -31,7 +31,7 @@
int PASCAL WinMain (HANDLE hInstance, HANDLE prev, LPSTR cmdline, int show)
{
int i,n,pos;
int bytesline,i,n,pos;
time_t tstart,tend;
LONG cnt;
BITMAPINFOHEADER *bmi;
@ -45,6 +45,9 @@ int PASCAL WinMain (HANDLE hInstance, HANDLE prev, LPSTR cmdline, int show)
LPDIRECTDRAW ddraw;
DDSURFACEDESC dsdesc;
LPDIRECTDRAWSURFACE dsurf;
LPDIRECTDRAWPALETTE dpal;
PALETTEENTRY palent[256];
void (WINAPI *fnAVIFileInit)(void);
void (WINAPI *fnAVIFileExit)(void);
@ -81,6 +84,7 @@ HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
XXT(AVIStreamInfo);
#undef XX
#undef XXT
fnAVIFileInit();
if (-1==GetFileAttributes(cmdline)) {
@ -145,10 +149,14 @@ HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
fprintf(stderr,"AVIStreamReadFormat vids: 0x%08lx\n",hres);
exit(1);
}
vidgetframe = NULL;
bmi->biCompression = 0; /* we want it in raw form, uncompressed */
/* recalculate the image size */
bmi->biSizeImage = ((bmi->biWidth*bmi->biBitCount+31)&~0x1f)*bmi->biPlanes*bmi->biHeight/8;
bytesline = ((bmi->biWidth*bmi->biBitCount+31)&~0x1f)*bmi->biPlanes/8;
vidgetframe = fnAVIStreamGetFrameOpen(vids,bmi);
if (!vidgetframe) {
fprintf(stderr,"AVIStreamGetFrameOpen: failed.\n");
fprintf(stderr,"AVIStreamGetFrameOpen: failed\n");
exit(1);
}
/********************* end video setup ***********************************/
@ -172,6 +180,24 @@ HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
exit(1);
}
if (bmi->biBitCount==8) {
RGBQUAD *rgb = (RGBQUAD*)(bmi+1);
int i;
hres = ddraw->lpvtbl->fnCreatePalette(ddraw,DDPCAPS_8BIT,NULL,&dpal,NULL);
if (hres) {
fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
exit(1);
}
dsurf->lpvtbl->fnSetPalette(dsurf,dpal);
for (i=0;i<bmi->biClrUsed;i++) {
palent[i].peRed = rgb[i].rgbRed;
palent[i].peBlue = rgb[i].rgbBlue;
palent[i].peGreen = rgb[i].rgbGreen;
}
dpal->lpvtbl->fnSetEntries(dpal,0,0,bmi->biClrUsed,palent);
} else
dpal = NULL;
/********************* end display setup *******************************/
tstart = time(NULL);
@ -180,24 +206,48 @@ HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
LPVOID decodedframe;
LPBITMAPINFOHEADER lpbmi;
LPVOID decodedbits;
int bytesline;
/* video stuff */
if (!(decodedframe=fnAVIStreamGetFrame(vidgetframe,pos++)))
break;
lpbmi = (LPBITMAPINFOHEADER)decodedframe;
decodedbits = (LPVOID)(((DWORD)decodedframe)+lpbmi->biSize);
if (lpbmi->biBitCount == 8) {
/* cant detect palette change that way I think */
RGBQUAD *rgb = (RGBQUAD*)(lpbmi+1);
int i,palchanged;
/* skip used colorentries. */
decodedbits+=bmi->biClrUsed*sizeof(RGBQUAD);
palchanged = 0;
for (i=0;i<bmi->biClrUsed;i++) {
if ( (palent[i].peRed != rgb[i].rgbRed) ||
(palent[i].peBlue != rgb[i].rgbBlue) ||
(palent[i].peGreen != rgb[i].rgbGreen)
) {
palchanged = 1;
break;
}
}
if (palchanged) {
for (i=0;i<bmi->biClrUsed;i++) {
palent[i].peRed = rgb[i].rgbRed;
palent[i].peBlue = rgb[i].rgbBlue;
palent[i].peGreen = rgb[i].rgbGreen;
}
dpal->lpvtbl->fnSetEntries(dpal,0,0,bmi->biClrUsed,palent);
}
}
dsdesc.dwSize = sizeof(dsdesc);
hres = dsurf->lpvtbl->fnLock(dsurf,NULL,&dsdesc,DDLOCK_WRITEONLY,0);
if (hres) {
fprintf(stderr,"dsurf.Lock: 0x%08lx\n",hres);
exit(1);
}
bytesline = dsdesc.dwWidth * dsdesc.ddpfPixelFormat.x.dwRGBBitCount/8;
/* Argh. AVIs are upside down. */
for (i=0;i<dsdesc.dwHeight;i++) {
memcpy( dsdesc.y.lpSurface+(i*dsdesc.lPitch),
decodedbits+bytesline*(dsdesc.dwHeight-i),
decodedbits+bytesline*(dsdesc.dwHeight-i-1),
bytesline
);
}