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vidix interleaved U V planes (for g200) by Attila Kinali <kinali@gmx.net> 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4745 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick 2002-02-17 15:09:46 +00:00
parent 5e06751b43
commit 8c2eddc2b9
1 changed files with 45 additions and 26 deletions
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71
libvo/vosub_vidix.c
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@ -162,36 +162,55 @@ static uint32_t vidix_draw_slice_420(uint8_t *image[], int stride[], int w,int h
if (vidix_play.flags & VID_PLAY_INTERLEAVED_UV)
{
printf("vosub_vidix: interleaving UV planes not supported yet\n");
return 0;
}
int hi,wi;
uint8_t *src2;
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
dest += bespitch*y/2 + x; // <- is this correct ?
h/=2;
w/=2;
src = image[1];
src2 = image[2];
for(hi = 0; hi < h; hi++)
{
for(wi = 0; wi < w; wi++)
{
dest[2*wi+0] = src[wi];
dest[2*wi+1] = src2[wi];
}
dest += bespitch;
src += stride[1];
src2+= stride[2];
}
/* Plane V */
apitch = vidix_play.dest.pitch.v-1;
bespitch = (w + apitch) & ~apitch;
} else {
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
dest += bespitch*y/4 + x;
src = image[1];
for(i=0;i<h/2;i++){
memcpy(dest,src,w/2);
src+=stride[1];
dest+=bespitch/2;
}
/* Plane V */
apitch = vidix_play.dest.pitch.v-1;
bespitch = (w + apitch) & ~apitch;
/* Plane U */
apitch = vidix_play.dest.pitch.u-1;
bespitch = (w + apitch) & ~apitch;
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
dest += bespitch*y/4 + x;
src = image[1];
for(i=0;i<h/2;i++){
memcpy(dest,src,w/2);
src+=stride[1];
dest+=bespitch/2;
}
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
dest += bespitch*y/4 + x;
src = image[2];
for(i=0;i<h/2;i++){
memcpy(dest,src,w/2);
src+=stride[2];
dest += bespitch/2;
}
return 0;
/* Plane U */
apitch = vidix_play.dest.pitch.u-1;
bespitch = (w + apitch) & ~apitch;
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
dest += bespitch*y/4 + x;
src = image[2];
for(i=0;i<h/2;i++){
memcpy(dest,src,w/2);
src+=stride[2];
dest += bespitch/2;
}
return 0;
}
}
static uint32_t vidix_draw_slice_422(uint8_t *image[], int stride[], int w,int h,int x,int y)