/*
---------------------------------------------------------------------------------------
- Grabs A Frame From The Stream
---------------------------------------------------------------------------------------
*/
void AviVideoRenderer::GrabAVIFrame(int frame)
{
LPBITMAPINFOHEADER lpbi; // Holds The Bitmap Header Information
lpbi = (LPBITMAPINFOHEADER)AVIStreamGetFrame(_AVR_pgf, frame); // Grab Data From The AVI Stream
char* _tex_pdata=(char *)lpbi+lpbi->biSize+lpbi->biClrUsed * sizeof(RGBQUAD); // Pointer To Data Returned By AVIStreamGetFrame
// Convert Data To Requested Bitmap Format
DrawDibDraw (_AVR_hdd, _AVR_hdc, 0, 0, _heights[0], _widths[0], lpbi, _tex_pdata, 0, 0, _video_width, _video_height, 0);
flipIt(_img_data, _heights[0], _widths[0]); // Swap The Red And Blue Bytes (GL Compatability)
// Update The Texture
glBindTexture(GL_TEXTURE_2D, _textures[0]);
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, _heights[0], _widths[0], GL_RGB, GL_UNSIGNED_BYTE, _img_data);
}
void AVI :: Set(float time) // Grabs A Frame From The Stream
{
// anything to do?
if(!tman || mpf==0)
NTHROW("AVI :: Set - Video not created before call to set.");
// move position forward by time
pos+=time;
// get the frame number
int frame=(int)((float)pos/mpf);
// have we gone past the end?
if(frame>=lastframe)
{
if(loop)
{
pos=0.0f;
frame=0; // reset the animation
}else
frame=lastframe-1; // hold at the last frame
}
LPBITMAPINFOHEADER lpbi; // Holds The Bitmap Header Information
lpbi = (LPBITMAPINFOHEADER)AVIStreamGetFrame(pgf, frame); // Grab Data From The AVI Stream
pdata=(BYTE *)lpbi+lpbi->biSize+lpbi->biClrUsed * sizeof(RGBQUAD); // Pointer To Data Returned By AVIStreamGetFrame
// Convert Data To Requested Bitmap Format
DrawDibDraw (hdd, hdc, 0, 0, 256, 256, lpbi, pdata, 0, 0, width, height, 0);
flipIt(data); // Swap The Red And Blue Bytes (GL Compatability)
// set our texture
tman->Set(texid);
// Update The Texture
glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, 256, 256, GL_RGB, GL_UNSIGNED_BYTE, data);
}
