/* no more size available */			needsize = 0;		} else {		/* check upper masq */			while (!((needsize = needsize << 1) & vd->sizeothers) && needsize);		}		} // maybe == 1	 	}	if(needsize){		/* set the size now check for a palette */		if(sizeconvert( &vd->hdrwidth,&vd->hdrheight,needsize) > 0){			if(debug) printf( "size not set fatal errors !!\n");		return -1;		}		if((needpalette = checkpalette(vd) < 0)){		return -1;		}	 } else {		 if(debug) printf ("Damned no match found Fatal errors !!\n");		 return -1;	 }return needsize;	}#endifstatic intisSpcaChip (const char *BridgeName){  int i = -1;  int find = -1;  int size = 0;    /* Spca506 return more with channel video, cut it */    /* return Bridge otherwhise -1 */  for (i = 0; i < MAX_BRIDGE -1; i++)    {    size = strlen (Blist[i].name) ;    if(debug) printf ("is_spca %s \n",Blist[i].name);      if (strncmp (BridgeName, Blist[i].name, size) == 0)	{	find = i;	  break;	}    }  return find;}static intGetStreamId (const char *BridgeName){  int i = -1;  int match = -1;/* return Stream_id otherwhise -1 */  if ((match = isSpcaChip (BridgeName)) < 0)    {      if(debug) printf ("Not an Spca5xx Camera !!\n");      return match;    }  switch (match)    {    case BRIDGE_SPCA505:    case BRIDGE_SPCA506:      i = YYUV;      break;    case BRIDGE_SPCA501:      i = YUYV;      break;    case BRIDGE_SPCA508:      i = YUVY;      break;    case BRIDGE_SPCA536:    case BRIDGE_SPCA504:    case BRIDGE_SPCA500:    case BRIDGE_SPCA504B:    case BRIDGE_SPCA533:    case BRIDGE_SPCA504C:    case BRIDGE_ZR364XX:    case BRIDGE_ZC3XX:    case BRIDGE_CX11646:    case BRIDGE_SN9CXXX:    case BRIDGE_MR97311:         i = JPEG;      break;    case BRIDGE_ETOMS:    case BRIDGE_SONIX:    case BRIDGE_SPCA561:    case BRIDGE_TV8532:      i = GBRG;      break;    default:      i = UNOW; // -1;      if(debug) printf ("Unable to find a StreamId !!\n");      break;    }  return i;}static intGetDepth (int format){  int depth;  switch (format)    {      case VIDEO_PALETTE_JPEG:      {	depth = 8;		      }      break;    case VIDEO_PALETTE_RAW:      {	depth = 8;		      }      break;    case VIDEO_PALETTE_YUV420P:      {	depth = (8 * 3) >> 1;      }      break;    case VIDEO_PALETTE_RGB565:      depth = 16;      break;    case VIDEO_PALETTE_RGB24:      depth = 24;      break;    case VIDEO_PALETTE_RGB32:      {	depth = 32;      }      break;    default:      depth = -1;      break;    }  return depth;}__u8SpcaGetBrightness (struct vdIn * vdin){  if (GetVideoPict (vdin) < 0)    {      if(debug) printf (" Error getBrightness \n");      return 0;    }  return ((vdin->videopict.brightness) >> 8);}voidSpcaSetBrightness (struct vdIn *vdin, __u8 bright){  vdin->videopict.brightness = bright << 8;  if (SetVideoPict (vdin) < 0)    {      if(debug) printf (" Error setBrightness \n");    }}__u8SpcaGetContrast (struct vdIn *vdin){  if (GetVideoPict (vdin) < 0)    {      if(debug) printf (" Error getContrast \n");      return 0;    }  return ((vdin->videopict.contrast) >> 8);}voidSpcaSetContrast (struct vdIn *vdin, __u8 contrast){  vdin->videopict.contrast = contrast << 8;  if (SetVideoPict (vdin) < 0)    {      if(debug) printf (" Error setContrast \n");    }}__u8SpcaGetColors (struct vdIn *vdin){  if (GetVideoPict (vdin) < 0)    {      if(debug) printf (" Error getColors \n");      return 0;    }  return ((vdin->videopict.colour) >> 8);}voidSpcaSetColors (struct vdIn *vdin, __u8 colors){  vdin->videopict.colour = colors << 8;  if (SetVideoPict (vdin) < 0)    {      if(debug) printf (" Error setColors \n");    }}/* we assume that struct videopict is initialized */unsigned short set_bright( struct vdIn *vdin,unsigned short brightnum){ 	//	unsigned short bright =0;	//	bright = vdin->videopict.brightness;	if( brightnum < 0xffff ){	vdin->videopict.brightness = brightnum;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return brightnum;	}unsigned short upbright( struct vdIn *vdin){ 		unsigned short bright =0;		bright = vdin->videopict.brightness;	if(( bright+0x200) < 0xffff){	bright += 0x200;	vdin->videopict.brightness = bright;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return bright;	}unsigned short downbright( struct vdIn *vdin){		unsigned short bright =0;		bright = vdin->videopict.brightness;	if(( bright-0x200) > 0){	bright -= 0x200;	vdin->videopict.brightness = bright;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return bright;	}unsigned short set_contrast( struct vdIn *vdin,unsigned short contrastnum){		//unsigned short contrast =0;	//	contrast = vdin->videopict.contrast;	if(contrastnum < 0xffff){	//contrast += 0x200;	vdin->videopict.contrast = contrastnum;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return contrastnum;}unsigned short upcontrast( struct vdIn *vdin){		unsigned short contrast =0;		contrast = vdin->videopict.contrast;	if((contrast+0x200) < 0xffff){	contrast += 0x200;	vdin->videopict.contrast = contrast;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return contrast;}unsigned short downcontrast( struct vdIn *vdin){		unsigned short contrast =0;		contrast = vdin->videopict.contrast;	if( (contrast-0x200) > 0){	contrast -= 0x200;	vdin->videopict.contrast = contrast;	if (SetVideoPict (vdin) < 0)    		{      			if(debug) printf (" Error setVideopict \n");			return 0;    		}		}	return contrast;	}voidset_quality(struct vdIn *vdin,unsigned char qual){	struct video_param *videoparam= &vdin->videoparam;	int fd = vdin->fd;	//unsigned char qual = videoparam->quality;	//qual += 1;	spcaSetQuality(fd,videoparam,qual);}voidqualityUp(struct vdIn *vdin){	struct video_param *videoparam= &vdin->videoparam;	int fd = vdin->fd;	unsigned char qual = videoparam->quality;	qual += 1;	spcaSetQuality(fd,videoparam,qual);}voidqualityDown(struct vdIn *vdin){	struct video_param *videoparam= &vdin->videoparam;	int fd = vdin->fd;	unsigned char qual = videoparam->quality;	if(qual > 0) qual--;	spcaSetQuality(fd,videoparam,qual);}voidtimeUp(struct vdIn *vdin){	struct video_param *videoparam= &vdin->videoparam;	int fd = vdin->fd;	unsigned short dtime = videoparam->time_interval;	dtime+=10;	spcaSetTimeInterval(fd,videoparam,dtime);}voidtimeDown(struct vdIn *vdin){	struct video_param *videoparam= &vdin->videoparam;	int fd = vdin->fd;	unsigned short dtime = videoparam->time_interval;	if(dtime > 0) dtime -=10;	spcaSetTimeInterval(fd,videoparam,dtime);}voidspcaSetAutoExpo(struct vdIn *vdin){	struct video_param *videoparam = &vdin->videoparam;	int fd = vdin->fd;	videoparam->chg_para = CHGABRIGHT;	videoparam->autobright = !videoparam->autobright;	if(ioctl(fd,SPCASVIDIOPARAM, videoparam) == -1){		printf ("autobright error !!\n");	} else		spcaPrintParam (fd,videoparam);	}static void spcaPrintParam (int fd, struct video_param *videoparam){	if(ioctl(fd,SPCAGVIDIOPARAM, videoparam) == -1){		printf ("wrong spca5xx device\n");	} else 		printf("quality %d autoexpo %d Timeframe %d \n",			 videoparam->quality,videoparam->autobright,videoparam->time_interval);}static void spcaSetTimeInterval(int fd, struct video_param *videoparam, unsigned short dtime){	if (dtime < 1000) {	videoparam->chg_para = CHGTINTER;	videoparam->time_interval = dtime;	if(ioctl(fd,SPCASVIDIOPARAM, videoparam) == -1){		printf ("frame_times error !!\n");	} else		spcaPrintParam (fd,videoparam);	}}static void spcaSetQuality(int fd, struct video_param *videoparam, unsigned char qindex){	if (qindex < 6) {	videoparam->chg_para = CHGQUALITY;	videoparam->quality = qindex;	if(ioctl(fd,SPCASVIDIOPARAM, videoparam) == -1){		printf ("quality error !!\n");	} else		spcaPrintParam (fd,videoparam);	}}