Index: postproc/swscale.c =================================================================== RCS file: /cvsroot/mplayer/main/postproc/swscale.c,v retrieving revision 1.138 diff -u -r1.138 swscale.c --- postproc/swscale.c 14 Mar 2004 18:04:59 -0000 1.138 +++ postproc/swscale.c 26 Mar 2004 13:30:48 -0000 @@ -1947,7 +1947,10 @@ /* precalculate horizontal scaler filter coefficients */ { - const int filterAlign= (flags & SWS_CPU_CAPS_MMX) ? 4 : 1; + const int filterAlign= + (flags & SWS_CPU_CAPS_MMX) ? 4 : + (flags & SWS_CPU_CAPS_ALTIVEC) ? 4 : + 1; initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, srcW , dstW, filterAlign, 1<<14, Index: postproc/swscale_altivec_template.c =================================================================== RCS file: /cvsroot/mplayer/main/postproc/swscale_altivec_template.c,v retrieving revision 1.1 diff -u -r1.1 swscale_altivec_template.c --- postproc/swscale_altivec_template.c 11 Mar 2004 17:58:11 -0000 1.1 +++ postproc/swscale_altivec_template.c 26 Mar 2004 13:30:48 -0000 @@ -20,7 +20,19 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -static const vector unsigned int altivec_vectorShiftInt19 = {19, 19, 19, 19}; +#ifdef CONFIG_DARWIN +static const vector signed int vzero = + (vector signed int)(0, 0, 0, 0); +static const vector unsigned int altivec_vectorShiftInt19 = + (vector unsigned int)(19, 19, 19, 19); +#else +static const vector signed int vzero = + (vector signed int){0,0,0,0}; +static const vector unsigned int altivec_vectorShiftInt19 = + (vector unsigned int){19, 19, 19, 19}; + +#endif + static inline void altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW) { register int i; @@ -201,3 +213,170 @@ altivec_packIntArrayToCharArray(v,vDest,chrDstW); } } + +static inline void hScale_altivec_real(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc, int16_t *filter, int16_t *filterPos, int filterSize) { + register int i; + int __attribute__ ((aligned (16))) tempo[4]; + + switch (filterSize) { + default: + //fprintf(stderr, "filterSize: %d\n", filterSize); + for(i=0; i>7), (1<<15)-1); + } + break; + + case 4: + { + for(i=0; i 12) { + src_v1 = vec_ld(srcPos + 16, src); + } + vector unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); + + vector signed short src_v = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + // now put our elements in the even slots + src_v = vec_mergeh(src_v, (vector signed short)vzero); + + vector signed short filter_v = vec_ld(i << 3, filter); +// the 3 above is 2 (filterSize == 4) + 1 (sizeof(short) == 2) + +// the neat trick : we only care for half the elements, +// high or low depending on (i<<3)%16 (it's 0 or 8 here), +// and we're going to use vec_mule, so we chose +// carefully how to "unpack" the elements into the even slots + if ((i << 3) % 16) + filter_v = vec_mergel(filter_v,(vector signed short)vzero); + else + filter_v = vec_mergeh(filter_v,(vector signed short)vzero); + + vector signed int val_vEven = vec_mule(src_v, filter_v); + vector signed int val_s = vec_sums(val_vEven, vzero); + vec_st(val_s, 0, tempo); + dst[i] = MIN(MAX(0, tempo[3]>>7), (1<<15)-1); + } + } + break; + + case 8: + { + for(i=0; i 8) { + src_v1 = vec_ld(srcPos + 16, src); + } + vector unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); + + vector signed short src_v = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + vector signed short filter_v = vec_ld(i << 4, filter); +// the 4 above is 3 (filterSize == 8) + 1 (sizeof(short) == 2) + + vector signed int val_v = vec_msums(src_v, filter_v, (vector signed int)vzero); + vector signed int val_s = vec_sums(val_v, vzero); + vec_st(val_s, 0, tempo); + dst[i] = MIN(MAX(0, tempo[3]>>7), (1<<15)-1); + } + } + break; + + case 12: + { + for(i=0; i>7), (1<<15)-1); + } + } + break; + + case 16: + { + for(i=0; i>7), (1<<15)-1); + } + } + break; + } +} Index: postproc/swscale_template.c =================================================================== RCS file: /cvsroot/mplayer/main/postproc/swscale_template.c,v retrieving revision 1.105 diff -u -r1.105 swscale_template.c --- postproc/swscale_template.c 11 Mar 2004 17:58:11 -0000 1.105 +++ postproc/swscale_template.c 26 Mar 2004 13:30:48 -0000 @@ -2154,6 +2154,9 @@ ); } #else +#ifdef HAVE_ALTIVEC + hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize); +#else int i; for(i=0; i>7; } #endif +#endif } // *** horizontal scale Y line to temp buffer static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, int srcW, int xInc,