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fixed 16bpp packed YUV formats

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bugrep. by Filip Kalinski <filon@pld.org.pl>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8749 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2003-01-03 21:26:54 +00:00
parent e010d65652
commit e63a631f94
1 changed files with 32 additions and 6 deletions
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38
libmpcodecs/vf_mirror.c
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@ -14,7 +14,7 @@
#include "../postproc/rgb2rgb.h"
static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp){
static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp,unsigned int fmt){
int y;
for(y=0;y<h;y++){
int x;
@ -23,7 +23,33 @@ static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcst
for(x=0;x<w;x++) dst[x]=src[w-x-1];
break;
case 2:
for(x=0;x<w;x++) *((short*)(dst+x*2))=*((short*)(src+(w-x-1)*2));
switch(fmt){
case IMGFMT_UYVY: {
// packed YUV is tricky. U,V are 32bpp while Y is 16bpp:
int w2=w>>1;
for(x=0;x<w2;x++){
// TODO: optimize this...
dst[x*4+0]=src[0+(w2-x-1)*4];
dst[x*4+1]=src[3+(w2-x-1)*4];
dst[x*4+2]=src[2+(w2-x-1)*4];
dst[x*4+3]=src[1+(w2-x-1)*4];
}
break; }
case IMGFMT_YUY2:
case IMGFMT_YVYU: {
// packed YUV is tricky. U,V are 32bpp while Y is 16bpp:
int w2=w>>1;
for(x=0;x<w2;x++){
// TODO: optimize this...
dst[x*4+0]=src[2+(w2-x-1)*4];
dst[x*4+1]=src[1+(w2-x-1)*4];
dst[x*4+2]=src[0+(w2-x-1)*4];
dst[x*4+3]=src[3+(w2-x-1)*4];
}
break; }
default:
for(x=0;x<w;x++) *((short*)(dst+x*2))=*((short*)(src+(w-x-1)*2));
}
break;
case 3:
for(x=0;x<w;x++){
@ -53,17 +79,17 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi){
if(mpi->flags&MP_IMGFLAG_PLANAR){
mirror(dmpi->planes[0],mpi->planes[0],
dmpi->stride[0],mpi->stride[0],
dmpi->w,dmpi->h,1);
dmpi->w,dmpi->h,1,mpi->imgfmt);
mirror(dmpi->planes[1],mpi->planes[1],
dmpi->stride[1],mpi->stride[1],
dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1);
dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,mpi->imgfmt);
mirror(dmpi->planes[2],mpi->planes[2],
dmpi->stride[2],mpi->stride[2],
dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1);
dmpi->w>>mpi->chroma_x_shift,dmpi->h>>mpi->chroma_y_shift,1,mpi->imgfmt);
} else {
mirror(dmpi->planes[0],mpi->planes[0],
dmpi->stride[0],mpi->stride[0],
dmpi->w,dmpi->h,dmpi->bpp>>3);
dmpi->w,dmpi->h,dmpi->bpp>>3,mpi->imgfmt);
}
return vf_next_put_image(vf,dmpi);