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iv32 color scaling fix

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2398 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-10-23 01:14:13 +00:00
parent 7ce52c4998
commit 65348b282e
1 changed files with 22 additions and 4 deletions
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26
xacodec.c
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@ -599,6 +599,13 @@ void XA_YUV1611_To_CLR8(unsigned char *image_p, unsigned int imagex, unsigned in
int uvstride;
#if 0
printf("YUVTabs: %d %p %p %p %p %p\n",yuv_tabs->Uskip_mask,
yuv_tabs->YUV_Y_tab,
yuv_tabs->YUV_UB_tab,
yuv_tabs->YUV_VR_tab,
yuv_tabs->YUV_UG_tab,
yuv_tabs->YUV_VG_tab );
XA_Print("XA_YUV1611_To_CLR8('image: %08x', 'imagex: %d', 'imagey: %d', 'i_x: %d', 'i_y: %d', 'yuv_bufs: %08x', 'yuv_tabs: %08x', 'map_flag: %d', 'map: %08x', 'chdr: %08x')",
image, imagex, imagey, i_x, i_y, yuv, yuv_tabs, map_flag, map, chdr);
@ -608,7 +615,11 @@ void XA_YUV1611_To_CLR8(unsigned char *image_p, unsigned int imagex, unsigned in
#endif
// copy Y plane:
memcpy(image->planes[0],yuv->Ybuf,imagex*imagey);
if(yuv_tabs->YUV_Y_tab){ // dirty hack to detect iv32:
for(y=0;y<imagey*imagex;y++)
image->planes[0][y]=yuv->Ybuf[y]<<1;
} else
memcpy(image->planes[0],yuv->Ybuf,imagex*imagey);
// scale U,V planes by 2:
imagex>>=2;
@ -624,9 +635,16 @@ void XA_YUV1611_To_CLR8(unsigned char *image_p, unsigned int imagex, unsigned in
unsigned char *du=image->planes[1]+2*y*strideu;
unsigned char *dv=image->planes[2]+2*y*stridev;
int x;
for(x=0;x<imagex;x++){
du[2*x]=du[2*x+1]=du[2*x+strideu]=du[2*x+strideu+1]=su[x];
dv[2*x]=dv[2*x+1]=dv[2*x+stridev]=dv[2*x+stridev+1]=sv[x];
if(yuv_tabs->YUV_Y_tab){ // dirty hack to detect iv32:
for(x=0;x<imagex;x++){
du[2*x]=du[2*x+1]=du[2*x+strideu]=du[2*x+strideu+1]=su[x]*2;
dv[2*x]=dv[2*x+1]=dv[2*x+stridev]=dv[2*x+stridev+1]=sv[x]*2;
}
} else {
for(x=0;x<imagex;x++){
du[2*x]=du[2*x+1]=du[2*x+strideu]=du[2*x+strideu+1]=su[x];
dv[2*x]=dv[2*x+1]=dv[2*x+stridev]=dv[2*x+stridev+1]=sv[x];
}
}
}