diff options
Diffstat (limited to 'libswscale/swscale_altivec_template.c')
| -rw-r--r-- | libswscale/swscale_altivec_template.c | 852 |
1 files changed, 424 insertions, 428 deletions
diff --git a/libswscale/swscale_altivec_template.c b/libswscale/swscale_altivec_template.c index d5c0e1f34e..e9b51a808e 100644 --- a/libswscale/swscale_altivec_template.c +++ b/libswscale/swscale_altivec_template.c @@ -31,518 +31,514 @@ static inline void altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW) { - register int i; - vector unsigned int altivec_vectorShiftInt19 = - vec_add(vec_splat_u32(10),vec_splat_u32(9)); - if ((unsigned long)dest % 16) { - /* badly aligned store, we force store alignement */ - /* and will handle load misalignement on val w/ vec_perm */ - vector unsigned char perm1; - vector signed int v1; - for (i = 0 ; (i < dstW) && - (((unsigned long)dest + i) % 16) ; i++) { - int t = val[i] >> 19; - dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); - } - perm1 = vec_lvsl(i << 2, val); - v1 = vec_ld(i << 2, val); - for ( ; i < (dstW - 15); i+=16) { - int offset = i << 2; - vector signed int v2 = vec_ld(offset + 16, val); - vector signed int v3 = vec_ld(offset + 32, val); - vector signed int v4 = vec_ld(offset + 48, val); - vector signed int v5 = vec_ld(offset + 64, val); - vector signed int v12 = vec_perm(v1,v2,perm1); - vector signed int v23 = vec_perm(v2,v3,perm1); - vector signed int v34 = vec_perm(v3,v4,perm1); - vector signed int v45 = vec_perm(v4,v5,perm1); - - vector signed int vA = vec_sra(v12, altivec_vectorShiftInt19); - vector signed int vB = vec_sra(v23, altivec_vectorShiftInt19); - vector signed int vC = vec_sra(v34, altivec_vectorShiftInt19); - vector signed int vD = vec_sra(v45, altivec_vectorShiftInt19); - vector unsigned short vs1 = vec_packsu(vA, vB); - vector unsigned short vs2 = vec_packsu(vC, vD); - vector unsigned char vf = vec_packsu(vs1, vs2); - vec_st(vf, i, dest); - v1 = v5; + register int i; + vector unsigned int altivec_vectorShiftInt19 = + vec_add(vec_splat_u32(10),vec_splat_u32(9)); + if ((unsigned long)dest % 16) { + /* badly aligned store, we force store alignement */ + /* and will handle load misalignement on val w/ vec_perm */ + vector unsigned char perm1; + vector signed int v1; + for (i = 0 ; (i < dstW) && + (((unsigned long)dest + i) % 16) ; i++) { + int t = val[i] >> 19; + dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); + } + perm1 = vec_lvsl(i << 2, val); + v1 = vec_ld(i << 2, val); + for ( ; i < (dstW - 15); i+=16) { + int offset = i << 2; + vector signed int v2 = vec_ld(offset + 16, val); + vector signed int v3 = vec_ld(offset + 32, val); + vector signed int v4 = vec_ld(offset + 48, val); + vector signed int v5 = vec_ld(offset + 64, val); + vector signed int v12 = vec_perm(v1,v2,perm1); + vector signed int v23 = vec_perm(v2,v3,perm1); + vector signed int v34 = vec_perm(v3,v4,perm1); + vector signed int v45 = vec_perm(v4,v5,perm1); + + vector signed int vA = vec_sra(v12, altivec_vectorShiftInt19); + vector signed int vB = vec_sra(v23, altivec_vectorShiftInt19); + vector signed int vC = vec_sra(v34, altivec_vectorShiftInt19); + vector signed int vD = vec_sra(v45, altivec_vectorShiftInt19); + vector unsigned short vs1 = vec_packsu(vA, vB); + vector unsigned short vs2 = vec_packsu(vC, vD); + vector unsigned char vf = vec_packsu(vs1, vs2); + vec_st(vf, i, dest); + v1 = v5; + } + } else { // dest is properly aligned, great + for (i = 0; i < (dstW - 15); i+=16) { + int offset = i << 2; + vector signed int v1 = vec_ld(offset, val); + vector signed int v2 = vec_ld(offset + 16, val); + vector signed int v3 = vec_ld(offset + 32, val); + vector signed int v4 = vec_ld(offset + 48, val); + vector signed int v5 = vec_sra(v1, altivec_vectorShiftInt19); + vector signed int v6 = vec_sra(v2, altivec_vectorShiftInt19); + vector signed int v7 = vec_sra(v3, altivec_vectorShiftInt19); + vector signed int v8 = vec_sra(v4, altivec_vectorShiftInt19); + vector unsigned short vs1 = vec_packsu(v5, v6); + vector unsigned short vs2 = vec_packsu(v7, v8); + vector unsigned char vf = vec_packsu(vs1, vs2); + vec_st(vf, i, dest); + } } - } else { // dest is properly aligned, great - for (i = 0; i < (dstW - 15); i+=16) { - int offset = i << 2; - vector signed int v1 = vec_ld(offset, val); - vector signed int v2 = vec_ld(offset + 16, val); - vector signed int v3 = vec_ld(offset + 32, val); - vector signed int v4 = vec_ld(offset + 48, val); - vector signed int v5 = vec_sra(v1, altivec_vectorShiftInt19); - vector signed int v6 = vec_sra(v2, altivec_vectorShiftInt19); - vector signed int v7 = vec_sra(v3, altivec_vectorShiftInt19); - vector signed int v8 = vec_sra(v4, altivec_vectorShiftInt19); - vector unsigned short vs1 = vec_packsu(v5, v6); - vector unsigned short vs2 = vec_packsu(v7, v8); - vector unsigned char vf = vec_packsu(vs1, vs2); - vec_st(vf, i, dest); + for ( ; i < dstW ; i++) { + int t = val[i] >> 19; + dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); } - } - for ( ; i < dstW ; i++) { - int t = val[i] >> 19; - dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); - } } static inline void yuv2yuvX_altivec_real(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) + int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, + uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) { - const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)}; - register int i, j; - { - int __attribute__ ((aligned (16))) val[dstW]; + const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)}; + register int i, j; + { + int __attribute__ ((aligned (16))) val[dstW]; - for (i = 0; i < (dstW -7); i+=4) { - vec_st(vini, i << 2, val); - } - for (; i < dstW; i++) { - val[i] = (1 << 18); - } + for (i = 0; i < (dstW -7); i+=4) { + vec_st(vini, i << 2, val); + } + for (; i < dstW; i++) { + val[i] = (1 << 18); + } - for (j = 0; j < lumFilterSize; j++) { - vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter); - vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter); - vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); - vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter + for (j = 0; j < lumFilterSize; j++) { + vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter); + vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter); + vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); + vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter - perm = vec_lvsl(0, lumSrc[j]); - l1 = vec_ld(0, lumSrc[j]); + perm = vec_lvsl(0, lumSrc[j]); + l1 = vec_ld(0, lumSrc[j]); - for (i = 0; i < (dstW - 7); i+=8) { - int offset = i << 2; - vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]); + for (i = 0; i < (dstW - 7); i+=8) { + int offset = i << 2; + vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]); - vector signed int v1 = vec_ld(offset, val); - vector signed int v2 = vec_ld(offset + 16, val); + vector signed int v1 = vec_ld(offset, val); + vector signed int v2 = vec_ld(offset + 16, val); - vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7] + vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7] - vector signed int i1 = vec_mule(vLumFilter, ls); - vector signed int i2 = vec_mulo(vLumFilter, ls); + vector signed int i1 = vec_mule(vLumFilter, ls); + vector signed int i2 = vec_mulo(vLumFilter, ls); - vector signed int vf1 = vec_mergeh(i1, i2); - vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j] + vector signed int vf1 = vec_mergeh(i1, i2); + vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j] - vector signed int vo1 = vec_add(v1, vf1); - vector signed int vo2 = vec_add(v2, vf2); + vector signed int vo1 = vec_add(v1, vf1); + vector signed int vo2 = vec_add(v2, vf2); - vec_st(vo1, offset, val); - vec_st(vo2, offset + 16, val); + vec_st(vo1, offset, val); + vec_st(vo2, offset + 16, val); - l1 = l2; - } - for ( ; i < dstW; i++) { - val[i] += lumSrc[j][i] * lumFilter[j]; - } - } - altivec_packIntArrayToCharArray(val,dest,dstW); - } - if (uDest != 0) { - int __attribute__ ((aligned (16))) u[chrDstW]; - int __attribute__ ((aligned (16))) v[chrDstW]; - - for (i = 0; i < (chrDstW -7); i+=4) { - vec_st(vini, i << 2, u); - vec_st(vini, i << 2, v); - } - for (; i < chrDstW; i++) { - u[i] = (1 << 18); - v[i] = (1 << 18); + l1 = l2; + } + for ( ; i < dstW; i++) { + val[i] += lumSrc[j][i] * lumFilter[j]; + } + } + altivec_packIntArrayToCharArray(val,dest,dstW); } + if (uDest != 0) { + int __attribute__ ((aligned (16))) u[chrDstW]; + int __attribute__ ((aligned (16))) v[chrDstW]; + + for (i = 0; i < (chrDstW -7); i+=4) { + vec_st(vini, i << 2, u); + vec_st(vini, i << 2, v); + } + for (; i < chrDstW; i++) { + u[i] = (1 << 18); + v[i] = (1 << 18); + } - for (j = 0; j < chrFilterSize; j++) { - vector signed short l1, l1_V, vChrFilter = vec_ld(j << 1, chrFilter); - vector unsigned char perm, perm0 = vec_lvsl(j << 1, chrFilter); - vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0); - vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter - - perm = vec_lvsl(0, chrSrc[j]); - l1 = vec_ld(0, chrSrc[j]); - l1_V = vec_ld(2048 << 1, chrSrc[j]); - - for (i = 0; i < (chrDstW - 7); i+=8) { - int offset = i << 2; - vector signed short l2 = vec_ld((i << 1) + 16, chrSrc[j]); - vector signed short l2_V = vec_ld(((i + 2048) << 1) + 16, chrSrc[j]); - - vector signed int v1 = vec_ld(offset, u); - vector signed int v2 = vec_ld(offset + 16, u); - vector signed int v1_V = vec_ld(offset, v); - vector signed int v2_V = vec_ld(offset + 16, v); - - vector signed short ls = vec_perm(l1, l2, perm); // chrSrc[j][i] ... chrSrc[j][i+7] - vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrSrc[j][i+2048] ... chrSrc[j][i+2055] - - vector signed int i1 = vec_mule(vChrFilter, ls); - vector signed int i2 = vec_mulo(vChrFilter, ls); - vector signed int i1_V = vec_mule(vChrFilter, ls_V); - vector signed int i2_V = vec_mulo(vChrFilter, ls_V); - - vector signed int vf1 = vec_mergeh(i1, i2); - vector signed int vf2 = vec_mergel(i1, i2); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] - vector signed int vf1_V = vec_mergeh(i1_V, i2_V); - vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] - - vector signed int vo1 = vec_add(v1, vf1); - vector signed int vo2 = vec_add(v2, vf2); - vector signed int vo1_V = vec_add(v1_V, vf1_V); - vector signed int vo2_V = vec_add(v2_V, vf2_V); - - vec_st(vo1, offset, u); - vec_st(vo2, offset + 16, u); - vec_st(vo1_V, offset, v); - vec_st(vo2_V, offset + 16, v); - - l1 = l2; - l1_V = l2_V; - } - for ( ; i < chrDstW; i++) { - u[i] += chrSrc[j][i] * chrFilter[j]; - v[i] += chrSrc[j][i + 2048] * chrFilter[j]; - } + for (j = 0; j < chrFilterSize; j++) { + vector signed short l1, l1_V, vChrFilter = vec_ld(j << 1, chrFilter); + vector unsigned char perm, perm0 = vec_lvsl(j << 1, chrFilter); + vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0); + vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter + + perm = vec_lvsl(0, chrSrc[j]); + l1 = vec_ld(0, chrSrc[j]); + l1_V = vec_ld(2048 << 1, chrSrc[j]); + + for (i = 0; i < (chrDstW - 7); i+=8) { + int offset = i << 2; + vector signed short l2 = vec_ld((i << 1) + 16, chrSrc[j]); + vector signed short l2_V = vec_ld(((i + 2048) << 1) + 16, chrSrc[j]); + + vector signed int v1 = vec_ld(offset, u); + vector signed int v2 = vec_ld(offset + 16, u); + vector signed int v1_V = vec_ld(offset, v); + vector signed int v2_V = vec_ld(offset + 16, v); + + vector signed short ls = vec_perm(l1, l2, perm); // chrSrc[j][i] ... chrSrc[j][i+7] + vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrSrc[j][i+2048] ... chrSrc[j][i+2055] + + vector signed int i1 = vec_mule(vChrFilter, ls); + vector signed int i2 = vec_mulo(vChrFilter, ls); + vector signed int i1_V = vec_mule(vChrFilter, ls_V); + vector signed int i2_V = vec_mulo(vChrFilter, ls_V); + + vector signed int vf1 = vec_mergeh(i1, i2); + vector signed int vf2 = vec_mergel(i1, i2); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] + vector signed int vf1_V = vec_mergeh(i1_V, i2_V); + vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j] + + vector signed int vo1 = vec_add(v1, vf1); + vector signed int vo2 = vec_add(v2, vf2); + vector signed int vo1_V = vec_add(v1_V, vf1_V); + vector signed int vo2_V = vec_add(v2_V, vf2_V); + + vec_st(vo1, offset, u); + vec_st(vo2, offset + 16, u); + vec_st(vo1_V, offset, v); + vec_st(vo2_V, offset + 16, v); + + l1 = l2; + l1_V = l2_V; + } + for ( ; i < chrDstW; i++) { + u[i] += chrSrc[j][i] * chrFilter[j]; + v[i] += chrSrc[j][i + 2048] * chrFilter[j]; + } + } + altivec_packIntArrayToCharArray(u,uDest,chrDstW); + altivec_packIntArrayToCharArray(v,vDest,chrDstW); } - altivec_packIntArrayToCharArray(u,uDest,chrDstW); - 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]; - - if (filterSize % 4) { - for(i=0; i<dstW; i++) { - register int j; - register int srcPos = filterPos[i]; - register int val = 0; - for(j=0; j<filterSize; j++) { - val += ((int)src[srcPos + j])*filter[filterSize*i + j]; - } - dst[i] = av_clip(val>>7, 0, (1<<15)-1); + register int i; + int __attribute__ ((aligned (16))) tempo[4]; + + if (filterSize % 4) { + for (i=0; i<dstW; i++) { + register int j; + register int srcPos = filterPos[i]; + register int val = 0; + for (j=0; j<filterSize; j++) { + val += ((int)src[srcPos + j])*filter[filterSize*i + j]; + } + dst[i] = av_clip(val>>7, 0, (1<<15)-1); + } } - } - else - switch (filterSize) { - case 4: + else + switch (filterSize) { + case 4: { - for(i=0; i<dstW; i++) { - register int srcPos = filterPos[i]; - - vector unsigned char src_v0 = vec_ld(srcPos, src); - vector unsigned char src_v1, src_vF; - vector signed short src_v, filter_v; - vector signed int val_vEven, val_s; - if ((((int)src + srcPos)% 16) > 12) { - src_v1 = vec_ld(srcPos + 16, src); - } - src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); - - 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); - - filter_v = vec_ld(i << 3, filter); + for (i=0; i<dstW; i++) { + register int srcPos = filterPos[i]; + + vector unsigned char src_v0 = vec_ld(srcPos, src); + vector unsigned char src_v1, src_vF; + vector signed short src_v, filter_v; + vector signed int val_vEven, val_s; + if ((((int)src + srcPos)% 16) > 12) { + src_v1 = vec_ld(srcPos + 16, src); + } + src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); + + 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); + + 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); - - val_vEven = vec_mule(src_v, filter_v); - val_s = vec_sums(val_vEven, vzero); - vec_st(val_s, 0, tempo); - dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); - } + 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); + + val_vEven = vec_mule(src_v, filter_v); + val_s = vec_sums(val_vEven, vzero); + vec_st(val_s, 0, tempo); + dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); + } } break; - case 8: + case 8: { - for(i=0; i<dstW; i++) { - register int srcPos = filterPos[i]; - - vector unsigned char src_v0 = vec_ld(srcPos, src); - vector unsigned char src_v1, src_vF; - vector signed short src_v, filter_v; - vector signed int val_v, val_s; - if ((((int)src + srcPos)% 16) > 8) { - src_v1 = vec_ld(srcPos + 16, src); - } - src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); - - src_v = // vec_unpackh sign-extends... - (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); - filter_v = vec_ld(i << 4, filter); + for (i=0; i<dstW; i++) { + register int srcPos = filterPos[i]; + + vector unsigned char src_v0 = vec_ld(srcPos, src); + vector unsigned char src_v1, src_vF; + vector signed short src_v, filter_v; + vector signed int val_v, val_s; + if ((((int)src + srcPos)% 16) > 8) { + src_v1 = vec_ld(srcPos + 16, src); + } + src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); + + src_v = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + filter_v = vec_ld(i << 4, filter); // the 4 above is 3 (filterSize == 8) + 1 (sizeof(short) == 2) - val_v = vec_msums(src_v, filter_v, (vector signed int)vzero); - val_s = vec_sums(val_v, vzero); - vec_st(val_s, 0, tempo); - dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); - } + val_v = vec_msums(src_v, filter_v, (vector signed int)vzero); + val_s = vec_sums(val_v, vzero); + vec_st(val_s, 0, tempo); + dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); + } } break; - case 16: + case 16: { - for(i=0; i<dstW; i++) { - register int srcPos = filterPos[i]; + for (i=0; i<dstW; i++) { + register int srcPos = filterPos[i]; - vector unsigned char src_v0 = vec_ld(srcPos, src); - vector unsigned char src_v1 = vec_ld(srcPos + 16, src); - vector unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src)); + vector unsigned char src_v0 = vec_ld(srcPos, src); + vector unsigned char 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_vA = // vec_unpackh sign-extends... - (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); - vector signed short src_vB = // vec_unpackh sign-extends... - (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF)); + vector signed short src_vA = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + vector signed short src_vB = // vec_unpackh sign-extends... + (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF)); - vector signed short filter_v0 = vec_ld(i << 5, filter); - vector signed short filter_v1 = vec_ld((i << 5) + 16, filter); - // the 5 above are 4 (filterSize == 16) + 1 (sizeof(short) == 2) + vector signed short filter_v0 = vec_ld(i << 5, filter); + vector signed short filter_v1 = vec_ld((i << 5) + 16, filter); + // the 5 above are 4 (filterSize == 16) + 1 (sizeof(short) == 2) - vector signed int val_acc = vec_msums(src_vA, filter_v0, (vector signed int)vzero); - vector signed int val_v = vec_msums(src_vB, filter_v1, val_acc); + vector signed int val_acc = vec_msums(src_vA, filter_v0, (vector signed int)vzero); + vector signed int val_v = vec_msums(src_vB, filter_v1, val_acc); - vector signed int val_s = vec_sums(val_v, vzero); + vector signed int val_s = vec_sums(val_v, vzero); - vec_st(val_s, 0, tempo); - dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); - } + vec_st(val_s, 0, tempo); + dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); + } } break; - default: + default: { - for(i=0; i<dstW; i++) { - register int j; - register int srcPos = filterPos[i]; + for (i=0; i<dstW; i++) { + register int j; + register int srcPos = filterPos[i]; vector signed int val_s, val_v = (vector signed int)vzero; - vector signed short filter_v0R = vec_ld(i * 2 * filterSize, filter); + vector signed short filter_v0R = vec_ld(i * 2 * filterSize, filter); vector unsigned char permF = vec_lvsl((i * 2 * filterSize), filter); vector unsigned char src_v0 = vec_ld(srcPos, src); vector unsigned char permS = vec_lvsl(srcPos, src); for (j = 0 ; j < filterSize - 15; j += 16) { - vector unsigned char src_v1 = vec_ld(srcPos + j + 16, src); - vector unsigned char src_vF = vec_perm(src_v0, src_v1, permS); + vector unsigned char src_v1 = vec_ld(srcPos + j + 16, src); + vector unsigned char src_vF = vec_perm(src_v0, src_v1, permS); - vector signed short src_vA = // vec_unpackh sign-extends... - (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); - vector signed short src_vB = // vec_unpackh sign-extends... - (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF)); + vector signed short src_vA = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + vector signed short src_vB = // vec_unpackh sign-extends... + (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF)); - vector signed short filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter); - vector signed short filter_v2R = vec_ld((i * 2 * filterSize) + (j * 2) + 32, filter); - vector signed short filter_v0 = vec_perm(filter_v0R, filter_v1R, permF); - vector signed short filter_v1 = vec_perm(filter_v1R, filter_v2R, permF); + vector signed short filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter); + vector signed short filter_v2R = vec_ld((i * 2 * filterSize) + (j * 2) + 32, filter); + vector signed short filter_v0 = vec_perm(filter_v0R, filter_v1R, permF); + vector signed short filter_v1 = vec_perm(filter_v1R, filter_v2R, permF); - vector signed int val_acc = vec_msums(src_vA, filter_v0, val_v); - val_v = vec_msums(src_vB, filter_v1, val_acc); + vector signed int val_acc = vec_msums(src_vA, filter_v0, val_v); + val_v = vec_msums(src_vB, filter_v1, val_acc); - filter_v0R = filter_v2R; - src_v0 = src_v1; + filter_v0R = filter_v2R; + src_v0 = src_v1; } if (j < (filterSize-7)) { - // loading src_v0 is useless, it's already done above - //vector unsigned char src_v0 = vec_ld(srcPos + j, src); - vector unsigned char src_v1, src_vF; - vector signed short src_v, filter_v1R, filter_v; - if ((((int)src + srcPos)% 16) > 8) { - src_v1 = vec_ld(srcPos + j + 16, src); - } - src_vF = vec_perm(src_v0, src_v1, permS); - - src_v = // vec_unpackh sign-extends... - (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); - // loading filter_v0R is useless, it's already done above - //vector signed short filter_v0R = vec_ld((i * 2 * filterSize) + j, filter); - filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter); - filter_v = vec_perm(filter_v0R, filter_v1R, permF); - - val_v = vec_msums(src_v, filter_v, val_v); + // loading src_v0 is useless, it's already done above + //vector unsigned char src_v0 = vec_ld(srcPos + j, src); + vector unsigned char src_v1, src_vF; + vector signed short src_v, filter_v1R, filter_v; + if ((((int)src + srcPos)% 16) > 8) { + src_v1 = vec_ld(srcPos + j + 16, src); + } + src_vF = vec_perm(src_v0, src_v1, permS); + + src_v = // vec_unpackh sign-extends... + (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF)); + // loading filter_v0R is useless, it's already done above + //vector signed short filter_v0R = vec_ld((i * 2 * filterSize) + j, filter); + filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter); + filter_v = vec_perm(filter_v0R, filter_v1R, permF); + + val_v = vec_msums(src_v, filter_v, val_v); } val_s = vec_sums(val_v, vzero); vec_st(val_s, 0, tempo); dst[i] = av_clip(tempo[3]>>7, 0, (1<<15)-1); - } + } } - } + } } static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { - uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; - // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); - uint8_t *ysrc = src[0]; - uint8_t *usrc = src[1]; - uint8_t *vsrc = src[2]; - const int width = c->srcW; - const int height = srcSliceH; - const int lumStride = srcStride[0]; - const int chromStride = srcStride[1]; - const int dstStride = dstStride_a[0]; - const vector unsigned char yperm = vec_lvsl(0, ysrc); - const int vertLumPerChroma = 2; - register unsigned int y; - - if(width&15){ - yv12toyuy2( ysrc, usrc, vsrc, dst,c->srcW,srcSliceH, lumStride, chromStride, dstStride); - return srcSliceH; - } - - /* this code assume: - - 1) dst is 16 bytes-aligned - 2) dstStride is a multiple of 16 - 3) width is a multiple of 16 - 4) lum&chrom stride are multiple of 8 - */ + int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { + uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; + // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); + uint8_t *ysrc = src[0]; + uint8_t *usrc = src[1]; + uint8_t *vsrc = src[2]; + const int width = c->srcW; + const int height = srcSliceH; + const int lumStride = srcStride[0]; + const int chromStride = srcStride[1]; + const int dstStride = dstStride_a[0]; + const vector unsigned char yperm = vec_lvsl(0, ysrc); + const int vertLumPerChroma = 2; + register unsigned int y; + + if (width&15) { + yv12toyuy2( ysrc, usrc, vsrc, dst,c->srcW,srcSliceH, lumStride, chromStride, dstStride); + return srcSliceH; + } - for(y=0; y<height; y++) - { - int i; - for (i = 0; i < width - 31; i+= 32) { - const unsigned int j = i >> 1; - vector unsigned char v_yA = vec_ld(i, ysrc); - vector unsigned char v_yB = vec_ld(i + 16, ysrc); - vector unsigned char v_yC = vec_ld(i + 32, ysrc); - vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); - vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); - vector unsigned char v_uA = vec_ld(j, usrc); - vector unsigned char v_uB = vec_ld(j + 16, usrc); - vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); - vector unsigned char v_vA = vec_ld(j, vsrc); - vector unsigned char v_vB = vec_ld(j + 16, vsrc); - vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uv_b = vec_mergel(v_u, v_v); - vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); - vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); - vector unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b); - vector unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b); - vec_st(v_yuy2_0, (i << 1), dst); - vec_st(v_yuy2_1, (i << 1) + 16, dst); - vec_st(v_yuy2_2, (i << 1) + 32, dst); - vec_st(v_yuy2_3, (i << 1) + 48, dst); - } - if (i < width) { - const unsigned int j = i >> 1; - vector unsigned char v_y1 = vec_ld(i, ysrc); - vector unsigned char v_u = vec_ld(j, usrc); - vector unsigned char v_v = vec_ld(j, vsrc); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); - vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); - vec_st(v_yuy2_0, (i << 1), dst); - vec_st(v_yuy2_1, (i << 1) + 16, dst); - } - if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) - { - usrc += chromStride; - vsrc += chromStride; - } - ysrc += lumStride; - dst += dstStride; + /* this code assume: + + 1) dst is 16 bytes-aligned + 2) dstStride is a multiple of 16 + 3) width is a multiple of 16 + 4) lum&chrom stride are multiple of 8 + */ + + for (y=0; y<height; y++) { + int i; + for (i = 0; i < width - 31; i+= 32) { + const unsigned int j = i >> 1; + vector unsigned char v_yA = vec_ld(i, ysrc); + vector unsigned char v_yB = vec_ld(i + 16, ysrc); + vector unsigned char v_yC = vec_ld(i + 32, ysrc); + vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); + vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); + vector unsigned char v_uA = vec_ld(j, usrc); + vector unsigned char v_uB = vec_ld(j + 16, usrc); + vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); + vector unsigned char v_vA = vec_ld(j, vsrc); + vector unsigned char v_vB = vec_ld(j + 16, vsrc); + vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uv_b = vec_mergel(v_u, v_v); + vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); + vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); + vector unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b); + vector unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b); + vec_st(v_yuy2_0, (i << 1), dst); + vec_st(v_yuy2_1, (i << 1) + 16, dst); + vec_st(v_yuy2_2, (i << 1) + 32, dst); + vec_st(v_yuy2_3, (i << 1) + 48, dst); + } + if (i < width) { + const unsigned int j = i >> 1; + vector unsigned char v_y1 = vec_ld(i, ysrc); + vector unsigned char v_u = vec_ld(j, usrc); + vector unsigned char v_v = vec_ld(j, vsrc); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); + vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); + vec_st(v_yuy2_0, (i << 1), dst); + vec_st(v_yuy2_1, (i << 1) + 16, dst); + } + if ( (y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) { + usrc += chromStride; + vsrc += chromStride; + } + ysrc += lumStride; + dst += dstStride; } - return srcSliceH; + return srcSliceH; } static inline int yv12touyvy_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { - uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; - // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); - uint8_t *ysrc = src[0]; - uint8_t *usrc = src[1]; - uint8_t *vsrc = src[2]; - const int width = c->srcW; - const int height = srcSliceH; - const int lumStride = srcStride[0]; - const int chromStride = srcStride[1]; - const int dstStride = dstStride_a[0]; - const int vertLumPerChroma = 2; - const vector unsigned char yperm = vec_lvsl(0, ysrc); - register unsigned int y; - - if(width&15){ - yv12touyvy( ysrc, usrc, vsrc, dst,c->srcW,srcSliceH, lumStride, chromStride, dstStride); - return srcSliceH; - } - - /* this code assume: - - 1) dst is 16 bytes-aligned - 2) dstStride is a multiple of 16 - 3) width is a multiple of 16 - 4) lum&chrom stride are multiple of 8 - */ + int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { + uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; + // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); + uint8_t *ysrc = src[0]; + uint8_t *usrc = src[1]; + uint8_t *vsrc = src[2]; + const int width = c->srcW; + const int height = srcSliceH; + const int lumStride = srcStride[0]; + const int chromStride = srcStride[1]; + const int dstStride = dstStride_a[0]; + const int vertLumPerChroma = 2; + const vector unsigned char yperm = vec_lvsl(0, ysrc); + register unsigned int y; + + if (width&15) { + yv12touyvy( ysrc, usrc, vsrc, dst,c->srcW,srcSliceH, lumStride, chromStride, dstStride); + return srcSliceH; + } - for(y=0; y<height; y++) - { - int i; - for (i = 0; i < width - 31; i+= 32) { - const unsigned int j = i >> 1; - vector unsigned char v_yA = vec_ld(i, ysrc); - vector unsigned char v_yB = vec_ld(i + 16, ysrc); - vector unsigned char v_yC = vec_ld(i + 32, ysrc); - vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); - vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); - vector unsigned char v_uA = vec_ld(j, usrc); - vector unsigned char v_uB = vec_ld(j + 16, usrc); - vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); - vector unsigned char v_vA = vec_ld(j, vsrc); - vector unsigned char v_vB = vec_ld(j + 16, vsrc); - vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uv_b = vec_mergel(v_u, v_v); - vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); - vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); - vector unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2); - vector unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2); - vec_st(v_uyvy_0, (i << 1), dst); - vec_st(v_uyvy_1, (i << 1) + 16, dst); - vec_st(v_uyvy_2, (i << 1) + 32, dst); - vec_st(v_uyvy_3, (i << 1) + 48, dst); - } - if (i < width) { - const unsigned int j = i >> 1; - vector unsigned char v_y1 = vec_ld(i, ysrc); - vector unsigned char v_u = vec_ld(j, usrc); - vector unsigned char v_v = vec_ld(j, vsrc); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); - vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); - vec_st(v_uyvy_0, (i << 1), dst); - vec_st(v_uyvy_1, (i << 1) + 16, dst); - } - if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) - { - usrc += chromStride; - vsrc += chromStride; - } - ysrc += lumStride; - dst += dstStride; + /* this code assume: + + 1) dst is 16 bytes-aligned + 2) dstStride is a multiple of 16 + 3) width is a multiple of 16 + 4) lum&chrom stride are multiple of 8 + */ + + for (y=0; y<height; y++) { + int i; + for (i = 0; i < width - 31; i+= 32) { + const unsigned int j = i >> 1; + vector unsigned char v_yA = vec_ld(i, ysrc); + vector unsigned char v_yB = vec_ld(i + 16, ysrc); + vector unsigned char v_yC = vec_ld(i + 32, ysrc); + vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); + vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); + vector unsigned char v_uA = vec_ld(j, usrc); + vector unsigned char v_uB = vec_ld(j + 16, usrc); + vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); + vector unsigned char v_vA = vec_ld(j, vsrc); + vector unsigned char v_vB = vec_ld(j + 16, vsrc); + vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uv_b = vec_mergel(v_u, v_v); + vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); + vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); + vector unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2); + vector unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2); + vec_st(v_uyvy_0, (i << 1), dst); + vec_st(v_uyvy_1, (i << 1) + 16, dst); + vec_st(v_uyvy_2, (i << 1) + 32, dst); + vec_st(v_uyvy_3, (i << 1) + 48, dst); + } + if (i < width) { + const unsigned int j = i >> 1; + vector unsigned char v_y1 = vec_ld(i, ysrc); + vector unsigned char v_u = vec_ld(j, usrc); + vector unsigned char v_v = vec_ld(j, vsrc); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); + vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); + vec_st(v_uyvy_0, (i << 1), dst); + vec_st(v_uyvy_1, (i << 1) + 16, dst); + } + if ( (y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) { + usrc += chromStride; + vsrc += chromStride; + } + ysrc += lumStride; + dst += dstStride; } - return srcSliceH; + return srcSliceH; } |