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yv12 <-> yuy2 in C

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Originally committed as revision 2702 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-11-05 00:45:55 +00:00
parent 9b2c28e6ed
commit d9d58d172e
3 changed files with 58 additions and 0 deletions
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27
postproc/rgb2rgb.c
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@ -259,3 +259,30 @@ void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
{
dst[4*i+0] = ysrc[2*i+0];
dst[4*i+1] = usrc[i];
dst[4*i+2] = ysrc[2*i+1];
dst[4*i+3] = vsrc[i];
}
}
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
{
ydst[2*i+0] = src[4*i+0];
udst[i] = src[4*i+1];
ydst[2*i+1] = src[4*i+2];
vdst[i] = src[4*i+3];
}
}

4
postproc/rgb2rgb.h
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@ -18,4 +18,8 @@ void palette8torgb16(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void palette8torgb24(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette);
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size);
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size);
#endif

27
postproc/rgb2rgb_template.c
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@ -259,3 +259,30 @@ void palette8torgb15(uint8_t *src, uint8_t *dst, int src_size, uint8_t *palette)
for(i=0; i<src_size; i++)
((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
}
void yv12toyuy2(uint8_t *ysrc, uint8_t *usrc, uint8_t *vsrc, uint8_t *dst, int src_size)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
{
dst[4*i+0] = ysrc[2*i+0];
dst[4*i+1] = usrc[i];
dst[4*i+2] = ysrc[2*i+1];
dst[4*i+3] = vsrc[i];
}
}
void yuy2toyv12(uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int src_size)
{
int i;
src_size>>=1;
for(i=0; i<src_size; i++)
{
ydst[2*i+0] = src[4*i+0];
udst[i] = src[4*i+1];
ydst[2*i+1] = src[4*i+2];
vdst[i] = src[4*i+3];
}
}