[Squeak-Commits] squeak/platforms/Cross/plugins/Mpeg3Plugin/libmpeg changesForSqueak.c,1.5,1.6

[John M M. <jo...@us...>]

Update of /cvsroot/squeak/squeak/platforms/Cross/plugins/Mpeg3Plugin/libmpeg
In directory usw-pr-cvs1:/tmp/cvs-serv4305/squeak/platforms/Cross/plugins/Mpeg3Plugin/libmpeg

Modified Files:
	changesForSqueak.c 
Log Message:
1.3  Added logic for clip tables for blue screening and for alpha channel

Index: changesForSqueak.c
===================================================================
RCS file: /cvsroot/squeak/squeak/platforms/Cross/plugins/Mpeg3Plugin/libmpeg/changesForSqueak.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** changesForSqueak.c	1 Jun 2002 05:23:00 -0000	1.5
--- changesForSqueak.c	7 Sep 2002 07:32:48 -0000	1.6
***************
*** 352,354 ****
--- 352,386 ----
  }
  
+ int mpeg3_get_transparent (mpeg3_t *file, int aStream) {
+ 	return file->vtrack[aStream]->video->alphaChannelValue;
+ }
+ 
+ int mpeg3_set_transparent (mpeg3_t *file, int aNumber, int aStream) {
+ 	file->vtrack[aStream]->video->alphaChannelValue = aNumber & 0xFF;
+ }
+ 
+ int mpeg3_set_ClipData (mpeg3_t *file, unsigned char *r, unsigned char *g, unsigned char *b,int aStream) {
+         long h;
+         
+         memcpy(file->vtrack[aStream]->video->blueScreenMappingR,r,256);
+         memcpy(file->vtrack[aStream]->video->blueScreenMappingG,g,256);
+         memcpy(file->vtrack[aStream]->video->blueScreenMappingB,b,256);
+         
+         for(h=-512;h<=512;h++) {
+             file->vtrack[aStream]->video->clipArray_Red[h+512] = r[CLIP(h)];
+             file->vtrack[aStream]->video->clipArray_Green[h+512] = g[CLIP(h)];
+             file->vtrack[aStream]->video->clipArray_Blue[h+512] = b[CLIP(h)];
+             file->vtrack[aStream]->video->clipArray16_Red[h+512]=(r[CLIP(h)] & 0xf8) << 7;
+             file->vtrack[aStream]->video->clipArray16_Green[h+512]=(g[CLIP(h)] & 0xf8) << 2;
+             file->vtrack[aStream]->video->clipArray16_Blue[h+512]=(b[CLIP(h)] & 0xf8) >> 3;
+         }
+ 
+ }
+ 
+ int mpeg3_get_ClipData (mpeg3_t *file, unsigned char *r, unsigned char *g, unsigned char *b,int aStream) {
+ 	memcpy(r,file->vtrack[aStream]->video->blueScreenMappingR,256);
+ 	memcpy(g,file->vtrack[aStream]->video->blueScreenMappingG,256);
+ 	memcpy(b,file->vtrack[aStream]->video->blueScreenMappingB,256);
+ }
+