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vlc-2-2
Commit f9cbf5e6 authored by Laurent Aimar's avatar Laurent Aimar
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Removed dead code (deinterlace).

parent ac4dcf94
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modules/video_filter/deinterlace.c
View file @ f9cbf5e6
......@@ -1236,30 +1236,6 @@ static inline int XDeint8x8DetectMMXEXT( uint8_t *src, int i_src )
}
#endif
/* XDeint8x8Frame: apply a small blend between field (1,6,1).
* This won't destroy details, and help if there is a bit of interlacing.
* (It helps with paning to avoid flickers)
* (Use 8x9 pixels)
*/
#if 0
static inline void XDeint8x8FrameC( uint8_t *dst, int i_dst,
uint8_t *src, int i_src )
{
int y, x;
/* Progressive */
for( y = 0; y < 8; y += 2 )
{
memcpy( dst, src, 8 );
dst += i_dst;
for( x = 0; x < 8; x++ )
dst[x] = (src[x] + 6*src[1*i_src+x] + src[2*i_src+x] + 4 ) >> 3;
dst += 1*i_dst;
src += 2*i_src;
}
}
#endif
static inline void XDeint8x8MergeC( uint8_t *dst, int i_dst,
uint8_t *src1, int i_src1,
uint8_t *src2, int i_src2 )
......@@ -1466,305 +1442,6 @@ static inline void XDeint8x8FieldMMXEXT( uint8_t *dst, int i_dst,
}
#endif
#if 0
static inline int XDeint8x8SsdC( uint8_t *pix1, int i_pix1,
uint8_t *pix2, int i_pix2 )
{
int y, x;
int s = 0;
for( y = 0; y < 8; y++ )
for( x = 0; x < 8; x++ )
s += ssd( pix1[y*i_pix1+x] - pix2[y*i_pix2+x] );
return s;
}
#ifdef CAN_COMPILE_MMXEXT
static inline int XDeint8x8SsdMMXEXT( uint8_t *pix1, int i_pix1,
uint8_t *pix2, int i_pix2 )
{
int y;
int32_t s;
pxor_r2r( mm7, mm7 );
pxor_r2r( mm6, mm6 );
for( y = 0; y < 8; y++ )
{
movq_m2r( pix1[0], mm0 );
movq_m2r( pix2[0], mm1 );
movq_r2r( mm0, mm2 );
movq_r2r( mm1, mm3 );
punpcklbw_r2r( mm7, mm0 );
punpckhbw_r2r( mm7, mm2 );
punpcklbw_r2r( mm7, mm1 );
punpckhbw_r2r( mm7, mm3 );
psubw_r2r( mm1, mm0 );
psubw_r2r( mm3, mm2 );
pmaddwd_r2r( mm0, mm0 );
pmaddwd_r2r( mm2, mm2 );
paddd_r2r( mm2, mm0 );
paddd_r2r( mm0, mm6 );
pix1 += i_pix1;
pix2 += i_pix2;
}
movq_r2r( mm6, mm7 );
psrlq_i2r( 32, mm7 );
paddd_r2r( mm6, mm7 );
movd_r2m( mm7, s );
return s;
}
#endif
#endif
#if 0
/* A little try with motion, but doesn't work better that pure intra (and slow) */
#ifdef CAN_COMPILE_MMXEXT
/* XDeintMC:
* Bilinear MC QPel
* TODO: mmx version (easier in sse2)
*/
static inline void XDeintMC( uint8_t *dst, int i_dst,
uint8_t *src, int i_src,
int mvx, int mvy,
int i_width, int i_height )
{
const int d4x = mvx&0x03;
const int d4y = mvy&0x03;
const int cA = (4-d4x)*(4-d4y);
const int cB = d4x *(4-d4y);
const int cC = (4-d4x)*d4y;
const int cD = d4x *d4y;
int y, x;
uint8_t *srcp;
src += (mvy >> 2) * i_src + (mvx >> 2);
srcp = &src[i_src];
for( y = 0; y < i_height; y++ )
{
for( x = 0; x < i_width; x++ )
{
dst[x] = ( cA*src[x] + cB*src[x+1] +
cC*srcp[x] + cD*srcp[x+1] + 8 ) >> 4;
}
dst += i_dst;
src = srcp;
srcp += i_src;
}
}
static int XDeint8x4SadMMXEXT( uint8_t *pix1, int i_pix1,
uint8_t *pix2, int i_pix2 )
{
int32_t s;
movq_m2r( pix1[0*i_pix1], mm0 );
movq_m2r( pix1[1*i_pix1], mm1 );
psadbw_m2r( pix2[0*i_pix2], mm0 );
psadbw_m2r( pix2[1*i_pix2], mm1 );
movq_m2r( pix1[2*i_pix1], mm2 );
movq_m2r( pix1[3*i_pix1], mm3 );
psadbw_m2r( pix2[2*i_pix2], mm2 );
psadbw_m2r( pix2[3*i_pix2], mm3 );
paddd_r2r( mm1, mm0 );
paddd_r2r( mm3, mm2 );
paddd_r2r( mm2, mm0 );
movd_r2m( mm0, s );
return s;
}
static inline int XDeint8x4TestQpel( uint8_t *src, int i_src,
uint8_t *ref, int i_stride,
int mx, int my,
int xmax, int ymax )
{
uint8_t buffer[8*4];
if( abs(mx) >= 4*xmax || abs(my) >= 4*ymax )
return 255*255*255;
XDeintMC( buffer, 8, ref, i_stride, mx, my, 8, 4 );
return XDeint8x4SadMMXEXT( src, i_src, buffer, 8 );
}
static inline int XDeint8x4TestInt( uint8_t *src, int i_src,
uint8_t *ref, int i_stride,
int mx, int my,
int xmax, int ymax )
{
if( abs(mx) >= xmax || abs(my) >= ymax )
return 255*255*255;
return XDeint8x4SadMMXEXT( src, i_src, &ref[my*i_stride+mx], i_stride );
}
static inline void XDeint8x8FieldMotion( uint8_t *dst, int i_dst,
uint8_t *src, int i_src,
int *mpx, int *mpy,
int xmax, int ymax )
{
static const int dx[8] = { 0, 0, -1, 1, -1, -1, 1, 1 };
static const int dy[8] = {-1, 1, 0, 0, -1, 1, -1, 1 };
uint8_t *next = &src[i_src];
const int i_src2 = 2*i_src;
int mvx, mvy;
int mvs, s;
int i_step;
uint8_t *rec = &dst[i_dst];
/* We construct with intra method the missing field */
XDeint8x8FieldMMXEXT( dst, i_dst, src, i_src );
/* Now we will try to find a match with ME with the other field */
/* ME: A small/partial EPZS
* We search only for small MV (with high motion intra will be perfect */
if( xmax > 4 ) xmax = 4;
if( ymax > 4 ) ymax = 4;
/* Init with NULL Mv */
mvx = mvy = 0;
mvs = XDeint8x4SadMMXEXT( rec, i_src2, next, i_src2 );
/* Try predicted Mv */
if( (s=XDeint8x4TestInt( rec, i_src2, next, i_src2, *mpx, *mpy, xmax, ymax)) < mvs )
{
mvs = s;
mvx = *mpx;
mvy = *mpy;
}
/* Search interger pel (small mv) */
for( i_step = 0; i_step < 4; i_step++ )
{
int c = 4;
int s;
int i;
for( i = 0; i < 4; i++ )
{
s = XDeint8x4TestInt( rec, i_src2,
next, i_src2, mvx+dx[i], mvy+dy[i],
xmax, ymax );
if( s < mvs )
{
mvs = s;
c = i;
}
}
if( c == 4 )
break;
mvx += dx[c];
mvy += dy[c];
}
*mpx = mvx;
*mpy = mvy;
mvx <<= 2;
mvy <<= 2;
if( mvs > 4 && mvs < 256 )
{
/* Search Qpel */
/* XXX: for now only HPEL (too slow) */
for( i_step = 0; i_step < 4; i_step++ )
{
int c = 8;
int s;
int i;
for( i = 0; i < 8; i++ )
{
s = XDeint8x4TestQpel( rec, i_src2, next, i_src2,
mvx+dx[i], mvy+dy[i],
xmax, ymax );
if( s < mvs )
{
mvs = s;
c = i;
}
}
if( c == 8 )
break;
mvx += dx[c];
mvy += dy[c];
}
}
if( mvs < 128 )
{
uint8_t buffer[8*4];
XDeintMC( buffer, 8, next, i_src2, mvx, mvy, 8, 4 );
XDeint8x8MergeMMXEXT( dst, i_dst, src, 2*i_src, buffer, 8 );
//XDeint8x8Set( dst, i_dst, 0 );
}
}
#endif
#endif
#if 0
/* Kernel interpolation (1,-5,20,20,-5,1)
* Lose a bit more details+add aliasing than edge interpol but avoid
* more artifacts
*/
static inline uint8_t clip1( int a )
{
if( a <= 0 )
return 0;
else if( a >= 255 )
return 255;
else
return a;
}
static inline void XDeint8x8Field( uint8_t *dst, int i_dst,
uint8_t *src, int i_src )
{
int y, x;
/* Interlaced */
for( y = 0; y < 8; y += 2 )
{
const int i_src2 = i_src*2;
memcpy( dst, src, 8 );
dst += i_dst;
for( x = 0; x < 8; x++ )
{
int pix;
pix = 1*(src[-2*i_src2+x]+src[3*i_src2+x]) +
-5*(src[-1*i_src2+x]+src[2*i_src2+x])
+20*(src[ 0*i_src2+x]+src[1*i_src2+x]);
dst[x] = clip1( ( pix + 16 ) >> 5 );
}
dst += 1*i_dst;
src += 2*i_src;
}
}
#endif
/* NxN arbitray size (and then only use pixel in the NxN block)
*/
static inline int XDeintNxNDetect( uint8_t *src, int i_src,
......
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