cl_cin.c

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//
// 1/4 screen
//
		if (cinTable[currentHandle].samplesPerPixel==2) {
			for(i=0;i<two;i++) {
				y0 = (long)*input; input+=2;
				y2 = (long)*input; input+=2;
				cr = (long)*input++;
				cb = (long)*input++;
				*bptr++ = yuv_to_rgb( y0, cr, cb );
				*bptr++ = yuv_to_rgb( y2, cr, cb );
			}

			cptr = (unsigned short *)vq4;
			dptr = (unsigned short *)vq8;
	
			for(i=0;i<four;i++) {
				aptr = (unsigned short *)vq2 + (*input++)*2;
				bptr = (unsigned short *)vq2 + (*input++)*2;
				for(j=0;j<2;j++) { 
					VQ2TO2(aptr,bptr,cptr,dptr);
				}
			}
		} else if (cinTable[currentHandle].samplesPerPixel == 1) {
			bbptr = (byte *)bptr;
				
			for(i=0;i<two;i++) {
				*bbptr++ = cinTable[currentHandle].gray[*input]; input+=2;
				*bbptr++ = cinTable[currentHandle].gray[*input]; input+=4;
			}

			bcptr = (byte *)vq4;
			bdptr = (byte *)vq8;
	
			for(i=0;i<four;i++) {
				baptr = (byte *)vq2 + (*input++)*2;
				bbptr = (byte *)vq2 + (*input++)*2;
				for(j=0;j<2;j++) { 
					VQ2TO2(baptr,bbptr,bcptr,bdptr);
				}
			}			
		} else if (cinTable[currentHandle].samplesPerPixel == 4) {
			ibptr = (unsigned int *) bptr;
			for(i=0;i<two;i++) {
				y0 = (long)*input; input+=2;
				y2 = (long)*input; input+=2;
				cr = (long)*input++;
				cb = (long)*input++;
				*ibptr++ = yuv_to_rgb24( y0, cr, cb );
				*ibptr++ = yuv_to_rgb24( y2, cr, cb );
			}

			icptr = (unsigned int *)vq4;
			idptr = (unsigned int *)vq8;
	
			for(i=0;i<four;i++) {
				iaptr = (unsigned int *)vq2 + (*input++)*2;
				ibptr = (unsigned int *)vq2 + (*input++)*2;
				for(j=0;j<2;j++) { 
					VQ2TO2(iaptr,ibptr,icptr,idptr);
				}
			}
		}
	}
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void recurseQuad( long startX, long startY, long quadSize, long xOff, long yOff )
{
	byte *scroff;
	long bigx, bigy, lowx, lowy, useY;
	long offset;

	offset = cinTable[currentHandle].screenDelta;
	
	lowx = lowy = 0;
	bigx = cinTable[currentHandle].xsize;
	bigy = cinTable[currentHandle].ysize;

	if (bigx > cinTable[currentHandle].CIN_WIDTH) bigx = cinTable[currentHandle].CIN_WIDTH;
	if (bigy > cinTable[currentHandle].CIN_HEIGHT) bigy = cinTable[currentHandle].CIN_HEIGHT;

	if ( (startX >= lowx) && (startX+quadSize) <= (bigx) && (startY+quadSize) <= (bigy) && (startY >= lowy) && quadSize <= MAXSIZE) {
		useY = startY;
		scroff = cin.linbuf + (useY+((cinTable[currentHandle].CIN_HEIGHT-bigy)>>1)+yOff)*(cinTable[currentHandle].samplesPerLine) + (((startX+xOff))*cinTable[currentHandle].samplesPerPixel);

		cin.qStatus[0][cinTable[currentHandle].onQuad  ] = scroff;
		cin.qStatus[1][cinTable[currentHandle].onQuad++] = scroff+offset;
	}

	if ( quadSize != MINSIZE ) {
		quadSize >>= 1;
		recurseQuad( startX,		  startY		  , quadSize, xOff, yOff );
		recurseQuad( startX+quadSize, startY		  , quadSize, xOff, yOff );
		recurseQuad( startX,		  startY+quadSize , quadSize, xOff, yOff );
		recurseQuad( startX+quadSize, startY+quadSize , quadSize, xOff, yOff );
	}
}


/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void setupQuad( long xOff, long yOff )
{
	long numQuadCels, i,x,y;
	byte *temp;

	if (xOff == cin.oldXOff && yOff == cin.oldYOff && cinTable[currentHandle].ysize == cin.oldysize && cinTable[currentHandle].xsize == cin.oldxsize) {
		return;
	}

	cin.oldXOff = xOff;
	cin.oldYOff = yOff;
	cin.oldysize = cinTable[currentHandle].ysize;
	cin.oldxsize = cinTable[currentHandle].xsize;

	numQuadCels  = (cinTable[currentHandle].CIN_WIDTH*cinTable[currentHandle].CIN_HEIGHT) / (16);
	numQuadCels += numQuadCels/4 + numQuadCels/16;
	numQuadCels += 64;							  // for overflow

	numQuadCels  = (cinTable[currentHandle].xsize*cinTable[currentHandle].ysize) / (16);
	numQuadCels += numQuadCels/4;
	numQuadCels += 64;							  // for overflow

	cinTable[currentHandle].onQuad = 0;

	for(y=0;y<(long)cinTable[currentHandle].ysize;y+=16) 
		for(x=0;x<(long)cinTable[currentHandle].xsize;x+=16) 
			recurseQuad( x, y, 16, xOff, yOff );

	temp = NULL;

	for(i=(numQuadCels-64);i<numQuadCels;i++) {
		cin.qStatus[0][i] = temp;			  // eoq
		cin.qStatus[1][i] = temp;			  // eoq
	}
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void readQuadInfo( byte *qData )
{
	if (currentHandle < 0) return;

	cinTable[currentHandle].xsize    = qData[0]+qData[1]*256;
	cinTable[currentHandle].ysize    = qData[2]+qData[3]*256;
	cinTable[currentHandle].maxsize  = qData[4]+qData[5]*256;
	cinTable[currentHandle].minsize  = qData[6]+qData[7]*256;
	
	cinTable[currentHandle].CIN_HEIGHT = cinTable[currentHandle].ysize;
	cinTable[currentHandle].CIN_WIDTH  = cinTable[currentHandle].xsize;

	cinTable[currentHandle].samplesPerLine = cinTable[currentHandle].CIN_WIDTH*cinTable[currentHandle].samplesPerPixel;
	cinTable[currentHandle].screenDelta = cinTable[currentHandle].CIN_HEIGHT*cinTable[currentHandle].samplesPerLine;

	cinTable[currentHandle].half = qfalse;
	cinTable[currentHandle].smootheddouble = qfalse;
	
	cinTable[currentHandle].VQ0 = cinTable[currentHandle].VQNormal;
	cinTable[currentHandle].VQ1 = cinTable[currentHandle].VQBuffer;

	cinTable[currentHandle].t[0] = (0 - (unsigned int)cin.linbuf)+(unsigned int)cin.linbuf+cinTable[currentHandle].screenDelta;
	cinTable[currentHandle].t[1] = (0 - ((unsigned int)cin.linbuf + cinTable[currentHandle].screenDelta))+(unsigned int)cin.linbuf;

        cinTable[currentHandle].drawX = cinTable[currentHandle].CIN_WIDTH;
        cinTable[currentHandle].drawY = cinTable[currentHandle].CIN_HEIGHT;
        
	// rage pro is very slow at 512 wide textures, voodoo can't do it at all
	if ( glConfig.hardwareType == GLHW_RAGEPRO || glConfig.maxTextureSize <= 256) {
                if (cinTable[currentHandle].drawX>256) {
                        cinTable[currentHandle].drawX = 256;
                }
                if (cinTable[currentHandle].drawY>256) {
                        cinTable[currentHandle].drawY = 256;
                }
		if (cinTable[currentHandle].CIN_WIDTH != 256 || cinTable[currentHandle].CIN_HEIGHT != 256) {
			Com_Printf("HACK: approxmimating cinematic for Rage Pro or Voodoo\n");
		}
	}
#if defined(MACOS_X)
	cinTable[currentHandle].drawX = 256;
	cinTable[currentHandle].drawX = 256;
#endif
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void RoQPrepMcomp( long xoff, long yoff ) 
{
	long i, j, x, y, temp, temp2;

	i=cinTable[currentHandle].samplesPerLine; j=cinTable[currentHandle].samplesPerPixel;
	if ( cinTable[currentHandle].xsize == (cinTable[currentHandle].ysize*4) && !cinTable[currentHandle].half ) { j = j+j; i = i+i; }
	
	for(y=0;y<16;y++) {
		temp2 = (y+yoff-8)*i;
		for(x=0;x<16;x++) {
			temp = (x+xoff-8)*j;
			cin.mcomp[(x*16)+y] = cinTable[currentHandle].normalBuffer0-(temp2+temp);
		}
	}
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void initRoQ() 
{
	if (currentHandle < 0) return;

	cinTable[currentHandle].VQNormal = (void (*)(byte *, void *))blitVQQuad32fs;
	cinTable[currentHandle].VQBuffer = (void (*)(byte *, void *))blitVQQuad32fs;
	cinTable[currentHandle].samplesPerPixel = 4;
	ROQ_GenYUVTables();
	RllSetupTable();
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/
/*
static byte* RoQFetchInterlaced( byte *source ) {
	int x, *src, *dst;

	if (currentHandle < 0) return NULL;

	src = (int *)source;
	dst = (int *)cinTable[currentHandle].buf2;

	for(x=0;x<256*256;x++) {
		*dst = *src;
		dst++; src += 2;
	}
	return cinTable[currentHandle].buf2;
}
*/
static void RoQReset() {
	
	if (currentHandle < 0) return;

	Sys_EndStreamedFile(cinTable[currentHandle].iFile);
	FS_FCloseFile( cinTable[currentHandle].iFile );
	FS_FOpenFileRead (cinTable[currentHandle].fileName, &cinTable[currentHandle].iFile, qtrue);
	// let the background thread start reading ahead
	Sys_BeginStreamedFile( cinTable[currentHandle].iFile, 0x10000 );
	Sys_StreamedRead (cin.file, 16, 1, cinTable[currentHandle].iFile);
	RoQ_init();
	cinTable[currentHandle].status = FMV_LOOPED;
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void RoQInterrupt(void)
{
	byte				*framedata;
        short		sbuf[32768];
        int		ssize;
        
	if (currentHandle < 0) return;

	Sys_StreamedRead( cin.file, cinTable[currentHandle].RoQFrameSize+8, 1, cinTable[currentHandle].iFile );
	if ( cinTable[currentHandle].RoQPlayed >= cinTable[currentHandle].ROQSize ) { 
		if (cinTable[currentHandle].holdAtEnd==qfalse) {
			if (cinTable[currentHandle].looping) {
				RoQReset();
			} else {
				cinTable[currentHandle].status = FMV_EOF;
			}
		} else {
			cinTable[currentHandle].status = FMV_IDLE;
		}
		return; 
	}

	framedata = cin.file;
//
// new frame is ready
//
redump:
	switch(cinTable[currentHandle].roq_id) 
	{
		case	ROQ_QUAD_VQ:
			if ((cinTable[currentHandle].numQuads&1)) {
				cinTable[currentHandle].normalBuffer0 = cinTable[currentHandle].t[1];
				RoQPrepMcomp( cinTable[currentHandle].roqF0, cinTable[currentHandle].roqF1 );
				cinTable[currentHandle].VQ1( (byte *)cin.qStatus[1], framedata);
				cinTable[currentHandle].buf = 	cin.linbuf + cinTable[currentHandle].screenDelta;
			} else {
				cinTable[currentHandle].normalBuffer0 = cinTable[currentHandle].t[0];
				RoQPrepMcomp( cinTable[currentHandle].roqF0, cinTable[currentHandle].roqF1 );
				cinTable[currentHandle].VQ0( (byte *)cin.qStatus[0], framedata );
				cinTable[currentHandle].buf = 	cin.linbuf;
			}
			if (cinTable[currentHandle].numQuads == 0) {		// first frame
				Com_Memcpy(cin.linbuf+cinTable[currentHandle].screenDelta, cin.linbuf, cinTable[currentHandle].samplesPerLine*cinTable[currentHandle].ysize);
			}
			cinTable[currentHandle].numQuads++;
			cinTable[currentHandle].dirty = qtrue;
			break;
		case	ROQ_CODEBOOK:
			decodeCodeBook( framedata, (unsigned short)cinTable[currentHandle].roq_flags );
			break;
		case	ZA_SOUND_MONO:
			if (!cinTable[currentHandle].silent) {
				ssize = RllDecodeMonoToStereo( framedata, sbuf, cinTable[currentHandle].RoQFrameSize, 0, (unsigned short)cinTable[currentHandle].roq_flags);
                                S_RawSamples( ssize, 22050, 2, 1, (byte *)sbuf, 1.0f );
			}
			break;
		case	ZA_SOUND_STEREO:
			if (!cinTable[currentHandle].silent) {
				if (cinTable[currentHandle].numQuads == -1) {
					S_Update();
					s_rawend = s_soundtime;
				}
				ssize = RllDecodeStereoToStereo( framedata, sbuf, cinTable[currentHandle].RoQFrameSize, 0, (unsigned short)cinTable[currentHandle].roq_flags);
                                S_RawSamples( ssize, 22050, 2, 2, (byte *)sbuf, 1.0f );
			}
			break;
		case	ROQ_QUAD_INFO:
			if (cinTable[currentHandle].numQuads == -1) {
				readQuadInfo( framedata );
				setupQuad( 0, 0 );
				// we need to use CL_ScaledMilliseconds because of the smp mode calls from the renderer
				cinTable[currentHandle].startTime = cinTable[currentHandle].lastTime = CL_ScaledMilliseconds()*com_timescale->value;
			}
			if (cinTable[currentHandle].numQuads != 1) cinTable[currentHandle].numQuads = 0;
			break;
		case	ROQ_PACKET:
			cinTable[currentHandle].inMemory = cinTable[currentHandle].roq_flags;
			cinTable[currentHandle].RoQFrameSize = 0;           // for header
			break;
		case	ROQ_QUAD_HANG:
			cinTable[currentHandle].RoQFrameSize = 0;
			break;
		case	ROQ_QUAD_JPEG:
			break;
		default:
			cinTable[currentHandle].status = FMV_EOF;
			break;
	}	
//
// read in next frame data
//
	if ( cinTable[currentHandle].RoQPlayed >= cinTable[currentHandle].ROQSize ) { 
		if (cinTable[currentHandle].holdAtEnd==qfalse) {
			if (cinTable[currentHandle].looping) {
				RoQReset();
			} else {
				cinTable[currentHandle].status = FMV_EOF;
			}
		} else {
			cinTable[currentHandle].status = FMV_IDLE;
		}
		return; 
	}
	
	framedata		 += cinTable[currentHandle].RoQFrameSize;
	cinTable[currentHandle].roq_id		 = framedata[0] + framedata[1]*256;
	cinTable[currentHandle].RoQFrameSize = framedata[2] + framedata[3]*256 + framedata[4]*65536;
	cinTable[currentHandle].roq_flags	 = framedata[6] + framedata[7]*256;
	cinTable[currentHandle].roqF0		 = (char)framedata[7];
	cinTable[currentHandle].roqF1		 = (char)framedata[6];

	if (cinTable[currentHandle].RoQFrameSize>65536||cinTable[currentHandle].roq_id==0x1084) {
		Com_DPrintf("roq_size>65536||roq_id==0x1084\n");
		cinTable[currentHandle].status = FMV_EOF;
		if (cinTable[currentHandle].looping) {
			RoQReset();
		}
		return;
	}
	if (cinTable[currentHandle].inMemory && (cinTable[currentHandle].status != FMV_EOF)) { cinTable[currentHandle].inMemory--; framedata += 8; goto redump; }
//
// one more frame hits the dust
//
//	assert(cinTable[currentHandle].RoQFrameSize <= 65536);
//	r = Sys_StreamedRead( cin.file, cinTable[currentHandle].RoQFrameSize+8, 1, cinTable[currentHandle].iFile );
	cinTable[currentHandle].RoQPlayed	+= cinTable[currentHandle].RoQFrameSize+8;
}

/******************************************************************************
*
* Function:		
*
* Description:	
*
******************************************************************************/

static void RoQ_init( void )
{
	// we need to use CL_ScaledMilliseconds because of the smp mode calls from the renderer
	cinTable[currentHandle].startTime = cinTable[currentHandle].lastTime = CL_ScaledMilliseconds()*com_timescale->value;

	cinTable[currentHandle].RoQPlayed = 24;

/*	get frame rate */