diff options
author | Diego Biurrun <diego@biurrun.de> | 2012-02-21 22:58:48 +0400 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2012-02-21 23:17:57 +0400 |
commit | 04217de4d61dba8545d25debc6e250454992d988 (patch) | |
tree | 6354cd00806db5dc850d0c0467285674c12b0706 /libswscale | |
parent | 3f486e0dae13e92399c988054aa073c460dbb206 (diff) |
swscale: K&R formatting cosmetics for PowerPC code (part I/II)
Diffstat (limited to 'libswscale')
-rw-r--r-- | libswscale/ppc/swscale_altivec.c | 444 | ||||
-rw-r--r-- | libswscale/ppc/yuv2yuv_altivec.c | 173 |
2 files changed, 314 insertions, 303 deletions
diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c index 13c63e8acb..3041053096 100644 --- a/libswscale/ppc/swscale_altivec.c +++ b/libswscale/ppc/swscale_altivec.c @@ -22,6 +22,7 @@ */ #include <inttypes.h> + #include "config.h" #include "libswscale/swscale.h" #include "libswscale/swscale_internal.h" @@ -30,8 +31,8 @@ #define vzero vec_splat_s32(0) -static inline void -altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW) +static inline void altivec_packIntArrayToCharArray(int *val, uint8_t *dest, + int dstW) { register int i; vector unsigned int altivec_vectorShiftInt19 = @@ -41,106 +42,104 @@ altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW) /* and will handle load misalignment on val w/ vec_perm */ vector unsigned char perm1; vector signed int v1; - for (i = 0 ; (i < dstW) && - (((uintptr_t)dest + i) % 16) ; i++) { - int t = val[i] >> 19; - dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); + for (i = 0; (i < dstW) && + (((uintptr_t)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) { + 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 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 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); + 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) { + 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 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); + vector unsigned char vf = vec_packsu(vs1, vs2); vec_st(vf, i, dest); } } - for ( ; i < dstW ; i++) { + for (; i < dstW; i++) { int t = val[i] >> 19; dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t); } } -//FIXME remove the usage of scratch buffers. -static void -yuv2planeX_altivec(const int16_t *filter, int filterSize, - const int16_t **src, uint8_t *dest, int dstW, - const uint8_t *dither, int offset) +// FIXME remove the usage of scratch buffers. +static void yuv2planeX_altivec(const int16_t *filter, int filterSize, + const int16_t **src, uint8_t *dest, int dstW, + const uint8_t *dither, int offset) { register int i, j; - DECLARE_ALIGNED(16, int, val)[dstW]; + DECLARE_ALIGNED(16, int, val)[dstW]; - for (i=0; i<dstW; i++) - val[i] = dither[(i + offset) & 7] << 12; + for (i = 0; i < dstW; i++) + val[i] = dither[(i + offset) & 7] << 12; - for (j = 0; j < filterSize; j++) { - vector signed short l1, vLumFilter = vec_ld(j << 1, filter); - vector unsigned char perm, perm0 = vec_lvsl(j << 1, filter); - vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); - vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter + for (j = 0; j < filterSize; j++) { + vector signed short l1, vLumFilter = vec_ld(j << 1, filter); + vector unsigned char perm, perm0 = vec_lvsl(j << 1, filter); + vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0); + vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter - perm = vec_lvsl(0, src[j]); - l1 = vec_ld(0, src[j]); + perm = vec_lvsl(0, src[j]); + l1 = vec_ld(0, src[j]); - for (i = 0; i < (dstW - 7); i+=8) { - int offset = i << 2; - vector signed short l2 = vec_ld((i << 1) + 16, src[j]); + for (i = 0; i < (dstW - 7); i += 8) { + int offset = i << 2; + vector signed short l2 = vec_ld((i << 1) + 16, src[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] += src[j][i] * filter[j]; - } + l1 = l2; } - altivec_packIntArrayToCharArray(val, dest, dstW); + for (; i < dstW; i++) + val[i] += src[j][i] * filter[j]; + } + altivec_packIntArrayToCharArray(val, dest, dstW); } static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW, @@ -151,167 +150,164 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW, DECLARE_ALIGNED(16, int, tempo)[4]; if (filterSize % 4) { - for (i=0; i<dstW; i++) { + 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] = FFMIN(val>>7, (1<<15)-1); - } - } - 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 ((((uintptr_t)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 choose - // 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] = FFMIN(tempo[3]>>7, (1<<15)-1); - } - break; - - 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 ((((uintptr_t)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] = FFMIN(tempo[3]>>7, (1<<15)-1); - } - break; - - case 16: - 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 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 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); - - vec_st(val_s, 0, tempo); - dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1); + register int val = 0; + for (j = 0; j < filterSize; j++) + val += ((int)src[srcPos + j]) * filter[filterSize * i + j]; + dst[i] = FFMIN(val >> 7, (1 << 15) - 1); } - break; - - default: - 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 unsigned char permF = vec_lvsl((i * 2 * filterSize), filter); + } 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 ((((uintptr_t)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 choose + // 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] = FFMIN(tempo[3] >> 7, (1 << 15) - 1); + } + break; + + 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 ((((uintptr_t)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] = FFMIN(tempo[3] >> 7, (1 << 15) - 1); + } + break; - vector unsigned char src_v0 = vec_ld(srcPos, src); - vector unsigned char permS = vec_lvsl(srcPos, src); + case 16: + for (i = 0; i < dstW; i++) { + register int srcPos = filterPos[i]; - 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_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_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_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, val_v); - 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); - filter_v0R = filter_v2R; - src_v0 = src_v1; - } + vector signed int val_s = vec_sums(val_v, vzero); - 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 ((((uintptr_t)src + srcPos) % 16) > 8) { - src_v1 = vec_ld(srcPos + j + 16, src); + vec_st(val_s, 0, tempo); + dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1); + } + break; + + default: + 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 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 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 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; + } + + 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 ((((uintptr_t)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] = FFMIN(tempo[3] >> 7, (1 << 15) - 1); } - 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] = FFMIN(tempo[3]>>7, (1<<15)-1); - } - - } } void ff_sws_init_swScale_altivec(SwsContext *c) @@ -334,12 +330,24 @@ void ff_sws_init_swScale_altivec(SwsContext *c) * match what's found in the body of ff_yuv2packedX_altivec() */ if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->alpPixBuf) { switch (c->dstFormat) { - case PIX_FMT_ABGR: c->yuv2packedX = ff_yuv2abgr_X_altivec; break; - case PIX_FMT_BGRA: c->yuv2packedX = ff_yuv2bgra_X_altivec; break; - case PIX_FMT_ARGB: c->yuv2packedX = ff_yuv2argb_X_altivec; break; - case PIX_FMT_RGBA: c->yuv2packedX = ff_yuv2rgba_X_altivec; break; - case PIX_FMT_BGR24: c->yuv2packedX = ff_yuv2bgr24_X_altivec; break; - case PIX_FMT_RGB24: c->yuv2packedX = ff_yuv2rgb24_X_altivec; break; + case PIX_FMT_ABGR: + c->yuv2packedX = ff_yuv2abgr_X_altivec; + break; + case PIX_FMT_BGRA: + c->yuv2packedX = ff_yuv2bgra_X_altivec; + break; + case PIX_FMT_ARGB: + c->yuv2packedX = ff_yuv2argb_X_altivec; + break; + case PIX_FMT_RGBA: + c->yuv2packedX = ff_yuv2rgba_X_altivec; + break; + case PIX_FMT_BGR24: + c->yuv2packedX = ff_yuv2bgr24_X_altivec; + break; + case PIX_FMT_RGB24: + c->yuv2packedX = ff_yuv2rgb24_X_altivec; + break; } } } diff --git a/libswscale/ppc/yuv2yuv_altivec.c b/libswscale/ppc/yuv2yuv_altivec.c index 4cd02ffe1d..45d766bd02 100644 --- a/libswscale/ppc/yuv2yuv_altivec.c +++ b/libswscale/ppc/yuv2yuv_altivec.c @@ -22,55 +22,57 @@ */ #include <inttypes.h> + #include "config.h" #include "libswscale/swscale.h" #include "libswscale/swscale_internal.h" #include "libavutil/cpu.h" -static int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t* src[], +static int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], + 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]); - const uint8_t *ysrc = src[0]; - const uint8_t *usrc = src[1]; - const uint8_t *vsrc = src[2]; - const int width = c->srcW; - const int height = srcSliceH; - const int lumStride = srcStride[0]; + 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]); + const uint8_t *ysrc = src[0]; + const uint8_t *usrc = src[1]; + const 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 dstStride = dstStride_a[0]; const vector unsigned char yperm = vec_lvsl(0, ysrc); - const int vertLumPerChroma = 2; + const int vertLumPerChroma = 2; register unsigned int y; /* This code assumes: + * + * 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 multiples of 8 + */ - 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 multiples of 8 - */ - - for (y=0; y<height; y++) { + 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); + 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); @@ -81,71 +83,72 @@ static int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t* src[], 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); + 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) { + if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; - dst += dstStride; + dst += dstStride; } return srcSliceH; } -static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t* src[], +static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], + 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]); - const uint8_t *ysrc = src[0]; - const uint8_t *usrc = src[1]; - const 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; + 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]); + const uint8_t *ysrc = src[0]; + const uint8_t *usrc = src[1]; + const 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; /* This code assumes: + * + * 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 multiples of 8 + */ - 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 multiples of 8 - */ - - for (y=0; y<height; y++) { + 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); + 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); @@ -156,22 +159,22 @@ static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t* src[], 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); + 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) { + if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; - dst += dstStride; + dst += dstStride; } return srcSliceH; } @@ -184,8 +187,8 @@ void ff_swscale_get_unscaled_altivec(SwsContext *c) // unscaled YV12 -> packed YUV, we want speed if (dstFormat == PIX_FMT_YUYV422) - c->swScale= yv12toyuy2_unscaled_altivec; + c->swScale = yv12toyuy2_unscaled_altivec; else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= yv12touyvy_unscaled_altivec; + c->swScale = yv12touyvy_unscaled_altivec; } } |