externals/gem2pdp pix_2pdp.cpp,1.2,1.3 - Pd-cvs

11 Oct 2005


      Update of /cvsroot/pure-data/externals/gem2pdp
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv10041
Modified Files:
    pix_2pdp.cpp 
Log Message:
improved uyvy to yv12 conversion code
Index: pix_2pdp.cpp
===================================================================
RCS file: /cvsroot/pure-data/externals/gem2pdp/pix_2pdp.cpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** pix_2pdp.cpp	18 Jun 2005 06:29:30 -0000	1.2
--- pix_2pdp.cpp	11 Oct 2005 02:37:22 -0000	1.3
***************
*** 8,11 ****
--- 8,12 ----
   *
   *  Copyright (c) 2005 Georg Holzmann grh@mur.at
+  *  parts Copyright (c) 2005 James Tittle II tigital@mac.com
   *
   */
***************
*** 44,48 ****
  {
    t_int psize, px, py;
!   short int *pY, *pU, *pV;
    unsigned char g1,g2,g3,g4;
    t_int helper;
--- 45,49 ----
  {
    t_int psize, px, py;
!   short int *pY, *pY2, *pU, *pV;
    unsigned char g1,g2,g3,g4;
    t_int helper;
***************
*** 57,60 ****
--- 58,62 ----
pY = m_data;
+ 	pY2 = m_data + gem_xsize;
      pV = m_data+psize;
      pU = m_data+psize+(psize>>2);
***************
*** 65,68 ****
--- 67,72 ----
        case GL_RGB:
        case GL_RGBA:
+ 	  case GL_BGR:
+ 	  case GL_BGRA:
          for ( py=0; py<gem_ysize; py++)
          {
***************
*** 89,114 ****
        // YUV
        case GL_YUV422_GEM:
!         for ( py=0; py<gem_ysize; py++)
!         {
!           for ( px=0; px<gem_xsize; px++)
!           {
!             helper = py*gem_xsize*gem_csize + px*gem_csize;
!             g1=gem_image[helper+chU];  // U
!             g2=gem_image[helper+chY0]; // Y0
!             g3=gem_image[helper+chV];  // V
!             g4=gem_image[helper+chY1]; // Y1
!             
!             if(px%2==0)
!               *pY = g2 << 7;
!             else
!               *pY = g4 << 7;
!             pY++;
!             
!             *pU = (g1-128) << 8;
!             *pV = (g3-128) << 8;
!             if ( (px%2==0) && (py%2==0) )
!               pV++; pU++;
!           }
!         }
          pdp_packet_pass_if_valid(m_pdpoutlet, &m_packet0);
          break;
--- 93,121 ----
        // YUV
        case GL_YUV422_GEM:
! 	    int row=gem_ysize>>1;
! 		int cols=gem_xsize>>1;
! 		short u,v;
! 		unsigned char *pixel = gem_image;
! 		unsigned char *pixel2 = gem_image + gem_xsize * gem_csize;
! 		while (row--){
! 		  int col=cols;
! 		  while(col--){
! 				u=(pixel[0]-128)<<8; v=(pixel[2]-128)<<8;
! 				*pU = u;
! 				*pY++ = (pixel[1])<<7;
! 				*pV = v;
! 				*pY++ = (pixel[3])<<7;
! 				*pU = u;
! 				*pY2++ = (pixel2[1])<<7;
! 				*pV = v;
! 				*pY2++ = (pixel2[3])<<7;
! 				pixel+=4;
! 				pixel2+=4;
! 				pU++; pV++;
! 		  }
! 			pixel += gem_xsize * gem_csize;
! 			pixel2 += gem_xsize * gem_csize;
! 			pY += gem_xsize; pY2 += gem_xsize;
! 		}
          pdp_packet_pass_if_valid(m_pdpoutlet, &m_packet0);
          break;
***************
*** 140,144 ****
  void pix_2pdp::obj_setupCallback(t_class *classPtr)
  {
!   post( "pix_2pdp : a bridge between a Gem pix and PDP/PiDiP, Georg Holzmann 2005 grh@mur.at" );
    class_addmethod(classPtr, (t_method)&pix_2pdp::bangMessCallback,
      	    gensym("bang"), A_NULL);
--- 147,151 ----
  void pix_2pdp::obj_setupCallback(t_class *classPtr)
  {
!   post( "pix_2pdp : a bridge between a Gem pix and PDP/PiDiP, Georg Holzmann 2005 grh@mur.at & tigital 2005 tigital@mac.com" );
    class_addmethod(classPtr, (t_method)&pix_2pdp::bangMessCallback,
      	    gensym("bang"), A_NULL);