Sweden-Number/programs/avitools/aviplay.c

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/*
* Very simple AVIPLAYER
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*
* Copyright 1999 Marcus Meissner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
* Status:
* - plays .avi streams, video only
* - requires MicroSoft avifil32.dll and builtin msvfw32.dll.
*
* Todo:
* - audio support (including synchronization etc)
* - replace DirectDraw by a 'normal' window, including dithering, controls
* etc.
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*
* Bugs:
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* - no time scheduling, video plays too fast using DirectDraw/XF86DGA
* - requires DirectDraw with all disadvantages.
*/
#include <stdio.h>
#include <time.h>
#include <assert.h>
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#include <string.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windows.h"
#include "wingdi.h"
#include "mmsystem.h"
#include "ddraw.h"
#include "vfw.h"
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
{
int bytesline,i,n,pos;
time_t tstart,tend;
LONG cnt;
BITMAPINFOHEADER *bmi;
HRESULT hres;
HMODULE avifil32 = LoadLibrary("avifil32.dll");
PAVIFILE avif;
PAVISTREAM vids=NULL,auds=NULL;
AVIFILEINFO afi;
AVISTREAMINFO asi;
PGETFRAME vidgetframe=NULL;
LPDIRECTDRAW ddraw;
DDSURFACEDESC dsdesc;
LPDIRECTDRAWSURFACE dsurf;
LPDIRECTDRAWPALETTE dpal;
PALETTEENTRY palent[256];
void (WINAPI *fnAVIFileInit)(void);
void (WINAPI *fnAVIFileExit)(void);
ULONG (WINAPI *fnAVIFileRelease)(PAVIFILE);
ULONG (WINAPI *fnAVIStreamRelease)(PAVISTREAM);
HRESULT (WINAPI *fnAVIFileOpen)(PAVIFILE * ppfile,LPCTSTR szFile,UINT uMode,LPCLSID lpHandler);
HRESULT (WINAPI *fnAVIFileInfo)(PAVIFILE ppfile,AVIFILEINFO *afi,LONG size);
HRESULT (WINAPI *fnAVIFileGetStream)(PAVIFILE ppfile,PAVISTREAM *afi,DWORD fccType,LONG lParam);
HRESULT (WINAPI *fnAVIStreamInfo)(PAVISTREAM iface,AVISTREAMINFO *afi,LONG size);
HRESULT (WINAPI *fnAVIStreamReadFormat)(PAVISTREAM iface,LONG pos,LPVOID format,LPLONG size);
PGETFRAME (WINAPI *fnAVIStreamGetFrameOpen)(PAVISTREAM iface,LPBITMAPINFOHEADER wanted);
LPVOID (WINAPI *fnAVIStreamGetFrame)(PGETFRAME pg,LONG pos);
HRESULT (WINAPI *fnAVIStreamGetFrameClose)(PGETFRAME pg);
#define XX(x) fn##x = (void*)GetProcAddress(avifil32,#x);assert(fn##x);
#ifdef UNICODE
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# define XXT(x) fn##x = (void*)GetProcAddress(avifil32,#x"W");assert(fn##x);
#else
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# define XXT(x) fn##x = (void*)GetProcAddress(avifil32,#x"A");assert(fn##x);
#endif
/* non character dependend routines: */
XX (AVIFileInit);
XX (AVIFileExit);
XX (AVIFileRelease);
XX (AVIFileGetStream);
XX (AVIStreamRelease);
XX (AVIStreamReadFormat);
XX (AVIStreamGetFrameOpen);
XX (AVIStreamGetFrame);
XX (AVIStreamGetFrameClose);
/* A/W routines: */
XXT(AVIFileOpen);
XXT(AVIFileInfo);
XXT(AVIStreamInfo);
#undef XX
#undef XXT
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fnAVIFileInit();
if (-1==GetFileAttributes(cmdline)) {
fprintf(stderr,"Usage: aviplay <avifilename>\n");
exit(1);
}
hres = fnAVIFileOpen(&avif,cmdline,OF_READ,NULL);
if (hres) {
fprintf(stderr,"AVIFileOpen: 0x%08lx\n",hres);
exit(1);
}
hres = fnAVIFileInfo(avif,&afi,sizeof(afi));
if (hres) {
fprintf(stderr,"AVIFileInfo: 0x%08lx\n",hres);
exit(1);
}
for (n=0;n<afi.dwStreams;n++) {
char buf[5];
PAVISTREAM ast;
hres = fnAVIFileGetStream(avif,&ast,0,n);
if (hres) {
fprintf(stderr,"AVIFileGetStream %d: 0x%08lx\n",n,hres);
exit(1);
}
hres = fnAVIStreamInfo(ast,&asi,sizeof(asi));
if (hres) {
fprintf(stderr,"AVIStreamInfo %d: 0x%08lx\n",n,hres);
exit(1);
}
fprintf(stderr,"[Stream %d: ",n);
buf[4]='\0';memcpy(buf,&(asi.fccType),4);
fprintf(stderr,"%s.",buf);
buf[4]='\0';memcpy(buf,&(asi.fccHandler),4);
fprintf(stderr,"%s, %s]\n",buf,asi.szName);
switch (asi.fccType) {
case streamtypeVIDEO:
vids = ast;
break;
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case streamtypeAUDIO:
auds = ast;
break;
default: {
char type[5];
type[4]='\0';memcpy(type,&(asi.fccType),4);
fprintf(stderr,"Unhandled streamtype %s\n",type);
fnAVIStreamRelease(ast);
break;
}
}
}
/********************* begin video setup ***********************************/
if (!vids) {
fprintf(stderr,"No video stream found. Good Bye.\n");
exit(0);
}
cnt = sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
bmi = HeapAlloc(GetProcessHeap(),0,cnt);
hres = fnAVIStreamReadFormat(vids,0,bmi,&cnt);
if (hres) {
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");
exit(1);
}
/********************* end video setup ***********************************/
/********************* begin display setup *******************************/
hres = DirectDrawCreate(NULL,&ddraw,NULL);
if (hres) {
fprintf(stderr,"DirectDrawCreate: 0x%08lx\n",hres);
exit(1);
}
hres = IDirectDraw_SetDisplayMode(ddraw,bmi->biWidth,bmi->biHeight,bmi->biBitCount);
if (hres) {
fprintf(stderr,"ddraw.SetDisplayMode: 0x%08lx (change resolution!)\n",hres);
exit(1);
}
dsdesc.dwSize=sizeof(dsdesc);
dsdesc.dwFlags = DDSD_CAPS;
dsdesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
hres = IDirectDraw_CreateSurface(ddraw,&dsdesc,&dsurf,NULL);
if (hres) {
fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
exit(1);
}
if (bmi->biBitCount==8) {
RGBQUAD *rgb = (RGBQUAD*)(bmi+1);
int i;
hres = IDirectDraw_CreatePalette(ddraw,DDPCAPS_8BIT,NULL,&dpal,NULL);
if (hres) {
fprintf(stderr,"ddraw.CreateSurface: 0x%08lx\n",hres);
exit(1);
}
IDirectDrawSurface_SetPalette(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;
}
IDirectDrawPalette_SetEntries(dpal,0,0,bmi->biClrUsed,palent);
} else
dpal = NULL;
/********************* end display setup *******************************/
tstart = time(NULL);
pos = 0;
while (1) {
LPVOID decodedframe;
LPBITMAPINFOHEADER lpbmi;
LPVOID decodedbits;
/* 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. */
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decodedbits=(char*)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;
}
IDirectDrawPalette_SetEntries(dpal,0,0,bmi->biClrUsed,palent);
}
}
dsdesc.dwSize = sizeof(dsdesc);
hres = IDirectDrawSurface_Lock(dsurf,NULL,&dsdesc,DDLOCK_WRITEONLY,0);
if (hres) {
fprintf(stderr,"dsurf.Lock: 0x%08lx\n",hres);
exit(1);
}
/* Argh. AVIs are upside down. */
for (i=0;i<dsdesc.dwHeight;i++) {
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memcpy( (char *)dsdesc.lpSurface+(i*dsdesc.u1.lPitch),
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(char *)decodedbits+bytesline*(dsdesc.dwHeight-i-1),
bytesline
);
}
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IDirectDrawSurface_Unlock(dsurf,dsdesc.lpSurface);
}
tend = time(NULL);
fnAVIStreamGetFrameClose(vidgetframe);
IDirectDrawSurface_Release(dsurf);
IDirectDraw_RestoreDisplayMode(ddraw);
IDirectDraw_Release(ddraw);
if (vids) fnAVIStreamRelease(vids);
if (auds) fnAVIStreamRelease(auds);
fprintf(stderr,"%d frames at %g frames/s\n",pos,pos*1.0/(tend-tstart));
fnAVIFileRelease(avif);
fnAVIFileExit();
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return 0;
}