/** Play the vqamovie */
void VQAMovie::play()
{
SDL_Surface *frame, *cframe;
SDL_Rect dest;
SDL_Event esc_event;
Uint8 *sndbuf;
Uint16 sndlen;
int i;
static ImageProc scaler;
if( vqafile == NULL )
return;
dest.w = header.Width<<1;
dest.h = header.Height<<1;
dest.x = (pc::gfxeng->getWidth()-(header.Width<<1))>>1;
dest.y = (pc::gfxeng->getHeight()-(header.Height<<1))>>1;
/* clear the screen */
pc::gfxeng->clearScreen();
/* Seek to first frame/snd information of vqa */
vqafile->seekSet(offsets[0]);
/* init the sound - if there is no sound, DecodeSNDChunk returns 0 for sndlen and we continue*/
/* Is it safe to continue with sndlen set to zero? */
sndindex = 0;
sndsample = 0;
sndbuf = new Uint8[MAX_UNCOMPRESSED_SIZE];
memset(sndbuf, 0, MAX_UNCOMPRESSED_SIZE);
sndlen = DecodeSNDChunk(sndbuf);
pc::sfxeng->initVQAsound(sndbuf, sndlen);
/* create the frame to store the image in. */
frame = SDL_CreateRGBSurface(SDL_SWSURFACE, header.Width, header.Height, 8, 0, 0, 0, 0);
/* Initialise the scaler */
if( scaleVideo )
scaler.initVideoScale(frame, videoScaleQuality);
for( i = 0; i < header.NumFrames; i++ ) {
/* decode SND Chunk first */
sndlen = DecodeSNDChunk(sndbuf);
if(DecodeVQFRChunk(frame) == 1) {
/* Error decoding frame! We cannot continue, we must bail out */
break;
}
/* add the sound, when this function returns it's time to add the picture */
pc::sfxeng->addVQAsound(sndbuf, sndlen);
/* draw the frame */
if( scaleVideo ) {
cframe = scaler.scaleVideo(frame);
pc::gfxeng->drawVQAFrame(cframe);
} else {
pc::gfxeng->drawVQAFrame(frame);
}
//SDL_FreeSurface(cframe);
while ( SDL_PollEvent(&esc_event) ) {
if (esc_event.type == SDL_KEYDOWN) {
if (esc_event.key.state != SDL_PRESSED)
break;
if (esc_event.key.keysym.sym == SDLK_ESCAPE) {
i = header.NumFrames; /* set i high to break for loop*/
break;
}
}
} /* while */
} /* for */
pc::sfxeng->closeVQAsound();
SDL_FreeSurface(frame);
if( scaleVideo ) {
scaler.closeVideoScale();
}
delete[] sndbuf;
}
