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- /*
- * AltiVec-enhanced yuv2yuvX
- *
- * Copyright (C) 2004 Romain Dolbeau <romain@dolbeau.org>
- * based on the equivalent C code in swscale.c
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include <inttypes.h>
- #include "config.h"
- #include "libswscale/swscale.h"
- #include "libswscale/swscale_internal.h"
- #include "libavutil/attributes.h"
- #include "libavutil/cpu.h"
- #include "libavutil/mem_internal.h"
- #include "yuv2rgb_altivec.h"
- #include "libavutil/ppc/util_altivec.h"
- #if HAVE_VSX
- #define vzero vec_splat_s32(0)
- #if !HAVE_BIGENDIAN
- #define GET_LS(a,b,c,s) {\
- ls = a;\
- a = vec_vsx_ld(((b) << 1) + 16, s);\
- }
- #define yuv2planeX_8(d1, d2, l1, src, x, perm, filter) do {\
- vector signed short ls;\
- vector signed int vf1, vf2, i1, i2;\
- GET_LS(l1, x, perm, src);\
- i1 = vec_mule(filter, ls);\
- i2 = vec_mulo(filter, ls);\
- vf1 = vec_mergeh(i1, i2);\
- vf2 = vec_mergel(i1, i2);\
- d1 = vec_add(d1, vf1);\
- d2 = vec_add(d2, vf2);\
- } while (0)
- #define LOAD_FILTER(vf,f) {\
- vf = vec_vsx_ld(joffset, f);\
- }
- #define LOAD_L1(ll1,s,p){\
- ll1 = vec_vsx_ld(xoffset, s);\
- }
- // 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.
- #define GET_VF4(a, vf, f) {\
- vf = (vector signed short)vec_vsx_ld(a << 3, f);\
- vf = vec_mergeh(vf, (vector signed short)vzero);\
- }
- #define FIRST_LOAD(sv, pos, s, per) {}
- #define UPDATE_PTR(s0, d0, s1, d1) {}
- #define LOAD_SRCV(pos, a, s, per, v0, v1, vf) {\
- vf = vec_vsx_ld(pos + a, s);\
- }
- #define LOAD_SRCV8(pos, a, s, per, v0, v1, vf) LOAD_SRCV(pos, a, s, per, v0, v1, vf)
- #define GET_VFD(a, b, f, vf0, vf1, per, vf, off) {\
- vf = vec_vsx_ld((a * 2 * filterSize) + (b * 2) + off, f);\
- }
- #define FUNC(name) name ## _vsx
- #include "swscale_ppc_template.c"
- #undef FUNC
- #undef vzero
- #endif /* !HAVE_BIGENDIAN */
- static void yuv2plane1_8_u(const int16_t *src, uint8_t *dest, int dstW,
- const uint8_t *dither, int offset, int start)
- {
- int i;
- for (i = start; i < dstW; i++) {
- int val = (src[i] + dither[(i + offset) & 7]) >> 7;
- dest[i] = av_clip_uint8(val);
- }
- }
- static void yuv2plane1_8_vsx(const int16_t *src, uint8_t *dest, int dstW,
- const uint8_t *dither, int offset)
- {
- const int dst_u = -(uintptr_t)dest & 15;
- int i, j;
- LOCAL_ALIGNED(16, int16_t, val, [16]);
- const vec_u16 shifts = (vec_u16) {7, 7, 7, 7, 7, 7, 7, 7};
- vec_s16 vi, vileft, ditherleft, ditherright;
- vec_u8 vd;
- for (j = 0; j < 16; j++) {
- val[j] = dither[(dst_u + offset + j) & 7];
- }
- ditherleft = vec_ld(0, val);
- ditherright = vec_ld(0, &val[8]);
- yuv2plane1_8_u(src, dest, dst_u, dither, offset, 0);
- for (i = dst_u; i < dstW - 15; i += 16) {
- vi = vec_vsx_ld(0, &src[i]);
- vi = vec_adds(ditherleft, vi);
- vileft = vec_sra(vi, shifts);
- vi = vec_vsx_ld(0, &src[i + 8]);
- vi = vec_adds(ditherright, vi);
- vi = vec_sra(vi, shifts);
- vd = vec_packsu(vileft, vi);
- vec_st(vd, 0, &dest[i]);
- }
- yuv2plane1_8_u(src, dest, dstW, dither, offset, i);
- }
- #if !HAVE_BIGENDIAN
- #define output_pixel(pos, val) \
- if (big_endian) { \
- AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
- } else { \
- AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
- }
- static void yuv2plane1_nbps_u(const int16_t *src, uint16_t *dest, int dstW,
- int big_endian, int output_bits, int start)
- {
- int i;
- int shift = 15 - output_bits;
- for (i = start; i < dstW; i++) {
- int val = src[i] + (1 << (shift - 1));
- output_pixel(&dest[i], val);
- }
- }
- static av_always_inline void yuv2plane1_nbps_vsx(const int16_t *src,
- uint16_t *dest, int dstW,
- const int big_endian,
- const int output_bits)
- {
- const int dst_u = -(uintptr_t)dest & 7;
- const int shift = 15 - output_bits;
- const int add = (1 << (shift - 1));
- const int clip = (1 << output_bits) - 1;
- const vec_u16 vadd = (vec_u16) {add, add, add, add, add, add, add, add};
- const vec_u16 vswap = (vec_u16) vec_splat_u16(big_endian ? 8 : 0);
- const vec_u16 vshift = (vec_u16) vec_splat_u16(shift);
- const vec_u16 vlargest = (vec_u16) {clip, clip, clip, clip, clip, clip, clip, clip};
- vec_u16 v;
- int i;
- yuv2plane1_nbps_u(src, dest, dst_u, big_endian, output_bits, 0);
- for (i = dst_u; i < dstW - 7; i += 8) {
- v = vec_vsx_ld(0, (const uint16_t *) &src[i]);
- v = vec_add(v, vadd);
- v = vec_sr(v, vshift);
- v = vec_min(v, vlargest);
- v = vec_rl(v, vswap);
- vec_st(v, 0, &dest[i]);
- }
- yuv2plane1_nbps_u(src, dest, dstW, big_endian, output_bits, i);
- }
- static void yuv2planeX_nbps_u(const int16_t *filter, int filterSize,
- const int16_t **src, uint16_t *dest, int dstW,
- int big_endian, int output_bits, int start)
- {
- int i;
- int shift = 11 + 16 - output_bits;
- for (i = start; i < dstW; i++) {
- int val = 1 << (shift - 1);
- int j;
- for (j = 0; j < filterSize; j++)
- val += src[j][i] * filter[j];
- output_pixel(&dest[i], val);
- }
- }
- static void yuv2planeX_nbps_vsx(const int16_t *filter, int filterSize,
- const int16_t **src, uint16_t *dest, int dstW,
- int big_endian, int output_bits)
- {
- const int dst_u = -(uintptr_t)dest & 7;
- const int shift = 11 + 16 - output_bits;
- const int add = (1 << (shift - 1));
- const int clip = (1 << output_bits) - 1;
- const uint16_t swap = big_endian ? 8 : 0;
- const vec_u32 vadd = (vec_u32) {add, add, add, add};
- const vec_u32 vshift = (vec_u32) {shift, shift, shift, shift};
- const vec_u16 vswap = (vec_u16) {swap, swap, swap, swap, swap, swap, swap, swap};
- const vec_u16 vlargest = (vec_u16) {clip, clip, clip, clip, clip, clip, clip, clip};
- const vec_s16 vzero = vec_splat_s16(0);
- const vec_u8 vperm = (vec_u8) {0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15};
- vec_s16 vfilter[MAX_FILTER_SIZE], vin;
- vec_u16 v;
- vec_u32 vleft, vright, vtmp;
- int i, j;
- for (i = 0; i < filterSize; i++) {
- vfilter[i] = (vec_s16) {filter[i], filter[i], filter[i], filter[i],
- filter[i], filter[i], filter[i], filter[i]};
- }
- yuv2planeX_nbps_u(filter, filterSize, src, dest, dst_u, big_endian, output_bits, 0);
- for (i = dst_u; i < dstW - 7; i += 8) {
- vleft = vright = vadd;
- for (j = 0; j < filterSize; j++) {
- vin = vec_vsx_ld(0, &src[j][i]);
- vtmp = (vec_u32) vec_mule(vin, vfilter[j]);
- vleft = vec_add(vleft, vtmp);
- vtmp = (vec_u32) vec_mulo(vin, vfilter[j]);
- vright = vec_add(vright, vtmp);
- }
- vleft = vec_sra(vleft, vshift);
- vright = vec_sra(vright, vshift);
- v = vec_packsu(vleft, vright);
- v = (vec_u16) vec_max((vec_s16) v, vzero);
- v = vec_min(v, vlargest);
- v = vec_rl(v, vswap);
- v = vec_perm(v, v, vperm);
- vec_st(v, 0, &dest[i]);
- }
- yuv2planeX_nbps_u(filter, filterSize, src, dest, dstW, big_endian, output_bits, i);
- }
- #undef output_pixel
- #define output_pixel(pos, val, bias, signedness) \
- if (big_endian) { \
- AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
- } else { \
- AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
- }
- static void yuv2plane1_16_u(const int32_t *src, uint16_t *dest, int dstW,
- int big_endian, int output_bits, int start)
- {
- int i;
- const int shift = 3;
- for (i = start; i < dstW; i++) {
- int val = src[i] + (1 << (shift - 1));
- output_pixel(&dest[i], val, 0, uint);
- }
- }
- static av_always_inline void yuv2plane1_16_vsx(const int32_t *src,
- uint16_t *dest, int dstW,
- const int big_endian,
- int output_bits)
- {
- const int dst_u = -(uintptr_t)dest & 7;
- const int shift = 3;
- const int add = (1 << (shift - 1));
- const vec_u32 vadd = (vec_u32) {add, add, add, add};
- const vec_u16 vswap = (vec_u16) vec_splat_u16(big_endian ? 8 : 0);
- const vec_u32 vshift = (vec_u32) vec_splat_u32(shift);
- vec_u32 v, v2;
- vec_u16 vd;
- int i;
- yuv2plane1_16_u(src, dest, dst_u, big_endian, output_bits, 0);
- for (i = dst_u; i < dstW - 7; i += 8) {
- v = vec_vsx_ld(0, (const uint32_t *) &src[i]);
- v = vec_add(v, vadd);
- v = vec_sr(v, vshift);
- v2 = vec_vsx_ld(0, (const uint32_t *) &src[i + 4]);
- v2 = vec_add(v2, vadd);
- v2 = vec_sr(v2, vshift);
- vd = vec_packsu(v, v2);
- vd = vec_rl(vd, vswap);
- vec_st(vd, 0, &dest[i]);
- }
- yuv2plane1_16_u(src, dest, dstW, big_endian, output_bits, i);
- }
- #if HAVE_POWER8
- static void yuv2planeX_16_u(const int16_t *filter, int filterSize,
- const int32_t **src, uint16_t *dest, int dstW,
- int big_endian, int output_bits, int start)
- {
- int i;
- int shift = 15;
- for (i = start; i < dstW; i++) {
- int val = 1 << (shift - 1);
- int j;
- /* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline
- * filters (or anything with negative coeffs, the range can be slightly
- * wider in both directions. To account for this overflow, we subtract
- * a constant so it always fits in the signed range (assuming a
- * reasonable filterSize), and re-add that at the end. */
- val -= 0x40000000;
- for (j = 0; j < filterSize; j++)
- val += src[j][i] * (unsigned)filter[j];
- output_pixel(&dest[i], val, 0x8000, int);
- }
- }
- static void yuv2planeX_16_vsx(const int16_t *filter, int filterSize,
- const int32_t **src, uint16_t *dest, int dstW,
- int big_endian, int output_bits)
- {
- const int dst_u = -(uintptr_t)dest & 7;
- const int shift = 15;
- const int bias = 0x8000;
- const int add = (1 << (shift - 1)) - 0x40000000;
- const uint16_t swap = big_endian ? 8 : 0;
- const vec_u32 vadd = (vec_u32) {add, add, add, add};
- const vec_u32 vshift = (vec_u32) {shift, shift, shift, shift};
- const vec_u16 vswap = (vec_u16) {swap, swap, swap, swap, swap, swap, swap, swap};
- const vec_u16 vbias = (vec_u16) {bias, bias, bias, bias, bias, bias, bias, bias};
- vec_s32 vfilter[MAX_FILTER_SIZE];
- vec_u16 v;
- vec_u32 vleft, vright, vtmp;
- vec_s32 vin32l, vin32r;
- int i, j;
- for (i = 0; i < filterSize; i++) {
- vfilter[i] = (vec_s32) {filter[i], filter[i], filter[i], filter[i]};
- }
- yuv2planeX_16_u(filter, filterSize, src, dest, dst_u, big_endian, output_bits, 0);
- for (i = dst_u; i < dstW - 7; i += 8) {
- vleft = vright = vadd;
- for (j = 0; j < filterSize; j++) {
- vin32l = vec_vsx_ld(0, &src[j][i]);
- vin32r = vec_vsx_ld(0, &src[j][i + 4]);
- vtmp = (vec_u32) vec_mul(vin32l, vfilter[j]);
- vleft = vec_add(vleft, vtmp);
- vtmp = (vec_u32) vec_mul(vin32r, vfilter[j]);
- vright = vec_add(vright, vtmp);
- }
- vleft = vec_sra(vleft, vshift);
- vright = vec_sra(vright, vshift);
- v = (vec_u16) vec_packs((vec_s32) vleft, (vec_s32) vright);
- v = vec_add(v, vbias);
- v = vec_rl(v, vswap);
- vec_st(v, 0, &dest[i]);
- }
- yuv2planeX_16_u(filter, filterSize, src, dest, dstW, big_endian, output_bits, i);
- }
- #endif /* HAVE_POWER8 */
- #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \
- yuv2NBPS1(bits, BE_LE, is_be, template_size, typeX_t) \
- yuv2NBPSX(bits, BE_LE, is_be, template_size, typeX_t)
- #define yuv2NBPS1(bits, BE_LE, is_be, template_size, typeX_t) \
- static void yuv2plane1_ ## bits ## BE_LE ## _vsx(const int16_t *src, \
- uint8_t *dest, int dstW, \
- const uint8_t *dither, int offset) \
- { \
- yuv2plane1_ ## template_size ## _vsx((const typeX_t *) src, \
- (uint16_t *) dest, dstW, is_be, bits); \
- }
- #define yuv2NBPSX(bits, BE_LE, is_be, template_size, typeX_t) \
- static void yuv2planeX_ ## bits ## BE_LE ## _vsx(const int16_t *filter, int filterSize, \
- const int16_t **src, uint8_t *dest, int dstW, \
- const uint8_t *dither, int offset)\
- { \
- yuv2planeX_## template_size ## _vsx(filter, \
- filterSize, (const typeX_t **) src, \
- (uint16_t *) dest, dstW, is_be, bits); \
- }
- yuv2NBPS( 9, BE, 1, nbps, int16_t)
- yuv2NBPS( 9, LE, 0, nbps, int16_t)
- yuv2NBPS(10, BE, 1, nbps, int16_t)
- yuv2NBPS(10, LE, 0, nbps, int16_t)
- yuv2NBPS(12, BE, 1, nbps, int16_t)
- yuv2NBPS(12, LE, 0, nbps, int16_t)
- yuv2NBPS(14, BE, 1, nbps, int16_t)
- yuv2NBPS(14, LE, 0, nbps, int16_t)
- yuv2NBPS1(16, BE, 1, 16, int32_t)
- yuv2NBPS1(16, LE, 0, 16, int32_t)
- #if HAVE_POWER8
- yuv2NBPSX(16, BE, 1, 16, int32_t)
- yuv2NBPSX(16, LE, 0, 16, int32_t)
- #endif
- #define WRITERGB \
- R_l = vec_max(R_l, zero32); \
- R_r = vec_max(R_r, zero32); \
- G_l = vec_max(G_l, zero32); \
- G_r = vec_max(G_r, zero32); \
- B_l = vec_max(B_l, zero32); \
- B_r = vec_max(B_r, zero32); \
- \
- R_l = vec_min(R_l, rgbclip); \
- R_r = vec_min(R_r, rgbclip); \
- G_l = vec_min(G_l, rgbclip); \
- G_r = vec_min(G_r, rgbclip); \
- B_l = vec_min(B_l, rgbclip); \
- B_r = vec_min(B_r, rgbclip); \
- \
- R_l = vec_sr(R_l, shift22); \
- R_r = vec_sr(R_r, shift22); \
- G_l = vec_sr(G_l, shift22); \
- G_r = vec_sr(G_r, shift22); \
- B_l = vec_sr(B_l, shift22); \
- B_r = vec_sr(B_r, shift22); \
- \
- rd16 = vec_packsu(R_l, R_r); \
- gd16 = vec_packsu(G_l, G_r); \
- bd16 = vec_packsu(B_l, B_r); \
- rd = vec_packsu(rd16, zero16); \
- gd = vec_packsu(gd16, zero16); \
- bd = vec_packsu(bd16, zero16); \
- \
- switch(target) { \
- case AV_PIX_FMT_RGB24: \
- out0 = vec_perm(rd, gd, perm3rg0); \
- out0 = vec_perm(out0, bd, perm3tb0); \
- out1 = vec_perm(rd, gd, perm3rg1); \
- out1 = vec_perm(out1, bd, perm3tb1); \
- \
- vec_vsx_st(out0, 0, dest); \
- vec_vsx_st(out1, 16, dest); \
- \
- dest += 24; \
- break; \
- case AV_PIX_FMT_BGR24: \
- out0 = vec_perm(bd, gd, perm3rg0); \
- out0 = vec_perm(out0, rd, perm3tb0); \
- out1 = vec_perm(bd, gd, perm3rg1); \
- out1 = vec_perm(out1, rd, perm3tb1); \
- \
- vec_vsx_st(out0, 0, dest); \
- vec_vsx_st(out1, 16, dest); \
- \
- dest += 24; \
- break; \
- case AV_PIX_FMT_BGRA: \
- out0 = vec_mergeh(bd, gd); \
- out1 = vec_mergeh(rd, ad); \
- \
- tmp8 = (vec_u8) vec_mergeh((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 0, dest); \
- tmp8 = (vec_u8) vec_mergel((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 16, dest); \
- \
- dest += 32; \
- break; \
- case AV_PIX_FMT_RGBA: \
- out0 = vec_mergeh(rd, gd); \
- out1 = vec_mergeh(bd, ad); \
- \
- tmp8 = (vec_u8) vec_mergeh((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 0, dest); \
- tmp8 = (vec_u8) vec_mergel((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 16, dest); \
- \
- dest += 32; \
- break; \
- case AV_PIX_FMT_ARGB: \
- out0 = vec_mergeh(ad, rd); \
- out1 = vec_mergeh(gd, bd); \
- \
- tmp8 = (vec_u8) vec_mergeh((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 0, dest); \
- tmp8 = (vec_u8) vec_mergel((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 16, dest); \
- \
- dest += 32; \
- break; \
- case AV_PIX_FMT_ABGR: \
- out0 = vec_mergeh(ad, bd); \
- out1 = vec_mergeh(gd, rd); \
- \
- tmp8 = (vec_u8) vec_mergeh((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 0, dest); \
- tmp8 = (vec_u8) vec_mergel((vec_u16) out0, (vec_u16) out1); \
- vec_vsx_st(tmp8, 16, dest); \
- \
- dest += 32; \
- break; \
- }
- static av_always_inline void
- yuv2rgb_full_X_vsx_template(SwsContext *c, const int16_t *lumFilter,
- const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest,
- int dstW, int y, enum AVPixelFormat target, int hasAlpha)
- {
- vec_s16 vv;
- vec_s32 vy32_l, vy32_r, vu32_l, vu32_r, vv32_l, vv32_r, tmp32;
- vec_s32 R_l, R_r, G_l, G_r, B_l, B_r;
- vec_s32 tmp, tmp2, tmp3, tmp4;
- vec_u16 rd16, gd16, bd16;
- vec_u8 rd, bd, gd, ad, out0, out1, tmp8;
- vec_s16 vlumFilter[MAX_FILTER_SIZE], vchrFilter[MAX_FILTER_SIZE];
- const vec_s32 ystart = vec_splats(1 << 9);
- const vec_s32 uvstart = vec_splats((1 << 9) - (128 << 19));
- const vec_u16 zero16 = vec_splat_u16(0);
- const vec_s32 y_offset = vec_splats(c->yuv2rgb_y_offset);
- const vec_s32 y_coeff = vec_splats(c->yuv2rgb_y_coeff);
- const vec_s32 y_add = vec_splats(1 << 21);
- const vec_s32 v2r_coeff = vec_splats(c->yuv2rgb_v2r_coeff);
- const vec_s32 v2g_coeff = vec_splats(c->yuv2rgb_v2g_coeff);
- const vec_s32 u2g_coeff = vec_splats(c->yuv2rgb_u2g_coeff);
- const vec_s32 u2b_coeff = vec_splats(c->yuv2rgb_u2b_coeff);
- const vec_s32 rgbclip = vec_splats(1 << 30);
- const vec_s32 zero32 = vec_splat_s32(0);
- const vec_u32 shift22 = vec_splats(22U);
- const vec_u32 shift10 = vec_splat_u32(10);
- int i, j;
- // Various permutations
- const vec_u8 perm3rg0 = (vec_u8) {0x0, 0x10, 0,
- 0x1, 0x11, 0,
- 0x2, 0x12, 0,
- 0x3, 0x13, 0,
- 0x4, 0x14, 0,
- 0x5 };
- const vec_u8 perm3rg1 = (vec_u8) { 0x15, 0,
- 0x6, 0x16, 0,
- 0x7, 0x17, 0 };
- const vec_u8 perm3tb0 = (vec_u8) {0x0, 0x1, 0x10,
- 0x3, 0x4, 0x11,
- 0x6, 0x7, 0x12,
- 0x9, 0xa, 0x13,
- 0xc, 0xd, 0x14,
- 0xf };
- const vec_u8 perm3tb1 = (vec_u8) { 0x0, 0x15,
- 0x2, 0x3, 0x16,
- 0x5, 0x6, 0x17 };
- ad = vec_splats((uint8_t) 255);
- for (i = 0; i < lumFilterSize; i++)
- vlumFilter[i] = vec_splats(lumFilter[i]);
- for (i = 0; i < chrFilterSize; i++)
- vchrFilter[i] = vec_splats(chrFilter[i]);
- for (i = 0; i < dstW; i += 8) {
- vy32_l =
- vy32_r = ystart;
- vu32_l =
- vu32_r =
- vv32_l =
- vv32_r = uvstart;
- for (j = 0; j < lumFilterSize; j++) {
- vv = vec_ld(0, &lumSrc[j][i]);
- tmp = vec_mule(vv, vlumFilter[j]);
- tmp2 = vec_mulo(vv, vlumFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vy32_l = vec_adds(vy32_l, tmp3);
- vy32_r = vec_adds(vy32_r, tmp4);
- }
- for (j = 0; j < chrFilterSize; j++) {
- vv = vec_ld(0, &chrUSrc[j][i]);
- tmp = vec_mule(vv, vchrFilter[j]);
- tmp2 = vec_mulo(vv, vchrFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vu32_l = vec_adds(vu32_l, tmp3);
- vu32_r = vec_adds(vu32_r, tmp4);
- vv = vec_ld(0, &chrVSrc[j][i]);
- tmp = vec_mule(vv, vchrFilter[j]);
- tmp2 = vec_mulo(vv, vchrFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vv32_l = vec_adds(vv32_l, tmp3);
- vv32_r = vec_adds(vv32_r, tmp4);
- }
- vy32_l = vec_sra(vy32_l, shift10);
- vy32_r = vec_sra(vy32_r, shift10);
- vu32_l = vec_sra(vu32_l, shift10);
- vu32_r = vec_sra(vu32_r, shift10);
- vv32_l = vec_sra(vv32_l, shift10);
- vv32_r = vec_sra(vv32_r, shift10);
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- R_l = vec_mul(vv32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vv32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vv32_l, v2g_coeff);
- tmp32 = vec_mul(vu32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vv32_r, v2g_coeff);
- tmp32 = vec_mul(vu32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vu32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vu32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- }
- }
- #define SETUP(x, buf0, alpha1, buf1, alpha) { \
- x = vec_ld(0, buf0); \
- tmp = vec_mule(x, alpha1); \
- tmp2 = vec_mulo(x, alpha1); \
- tmp3 = vec_mergeh(tmp, tmp2); \
- tmp4 = vec_mergel(tmp, tmp2); \
- \
- x = vec_ld(0, buf1); \
- tmp = vec_mule(x, alpha); \
- tmp2 = vec_mulo(x, alpha); \
- tmp5 = vec_mergeh(tmp, tmp2); \
- tmp6 = vec_mergel(tmp, tmp2); \
- \
- tmp3 = vec_add(tmp3, tmp5); \
- tmp4 = vec_add(tmp4, tmp6); \
- }
- static av_always_inline void
- yuv2rgb_full_2_vsx_template(SwsContext *c, const int16_t *buf[2],
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf[2], uint8_t *dest, int dstW,
- int yalpha, int uvalpha, int y,
- enum AVPixelFormat target, int hasAlpha)
- {
- const int16_t *buf0 = buf[0], *buf1 = buf[1],
- *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
- *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
- *abuf0 = hasAlpha ? abuf[0] : NULL,
- *abuf1 = hasAlpha ? abuf[1] : NULL;
- const int16_t yalpha1 = 4096 - yalpha;
- const int16_t uvalpha1 = 4096 - uvalpha;
- vec_s16 vy, vu, vv, A = vec_splat_s16(0);
- vec_s32 vy32_l, vy32_r, vu32_l, vu32_r, vv32_l, vv32_r, tmp32;
- vec_s32 R_l, R_r, G_l, G_r, B_l, B_r;
- vec_s32 tmp, tmp2, tmp3, tmp4, tmp5, tmp6;
- vec_u16 rd16, gd16, bd16;
- vec_u8 rd, bd, gd, ad, out0, out1, tmp8;
- const vec_s16 vyalpha1 = vec_splats(yalpha1);
- const vec_s16 vuvalpha1 = vec_splats(uvalpha1);
- const vec_s16 vyalpha = vec_splats((int16_t) yalpha);
- const vec_s16 vuvalpha = vec_splats((int16_t) uvalpha);
- const vec_u16 zero16 = vec_splat_u16(0);
- const vec_s32 y_offset = vec_splats(c->yuv2rgb_y_offset);
- const vec_s32 y_coeff = vec_splats(c->yuv2rgb_y_coeff);
- const vec_s32 y_add = vec_splats(1 << 21);
- const vec_s32 v2r_coeff = vec_splats(c->yuv2rgb_v2r_coeff);
- const vec_s32 v2g_coeff = vec_splats(c->yuv2rgb_v2g_coeff);
- const vec_s32 u2g_coeff = vec_splats(c->yuv2rgb_u2g_coeff);
- const vec_s32 u2b_coeff = vec_splats(c->yuv2rgb_u2b_coeff);
- const vec_s32 rgbclip = vec_splats(1 << 30);
- const vec_s32 zero32 = vec_splat_s32(0);
- const vec_u32 shift19 = vec_splats(19U);
- const vec_u32 shift22 = vec_splats(22U);
- const vec_u32 shift10 = vec_splat_u32(10);
- const vec_s32 dec128 = vec_splats(128 << 19);
- const vec_s32 add18 = vec_splats(1 << 18);
- int i;
- // Various permutations
- const vec_u8 perm3rg0 = (vec_u8) {0x0, 0x10, 0,
- 0x1, 0x11, 0,
- 0x2, 0x12, 0,
- 0x3, 0x13, 0,
- 0x4, 0x14, 0,
- 0x5 };
- const vec_u8 perm3rg1 = (vec_u8) { 0x15, 0,
- 0x6, 0x16, 0,
- 0x7, 0x17, 0 };
- const vec_u8 perm3tb0 = (vec_u8) {0x0, 0x1, 0x10,
- 0x3, 0x4, 0x11,
- 0x6, 0x7, 0x12,
- 0x9, 0xa, 0x13,
- 0xc, 0xd, 0x14,
- 0xf };
- const vec_u8 perm3tb1 = (vec_u8) { 0x0, 0x15,
- 0x2, 0x3, 0x16,
- 0x5, 0x6, 0x17 };
- av_assert2(yalpha <= 4096U);
- av_assert2(uvalpha <= 4096U);
- for (i = 0; i < dstW; i += 8) {
- SETUP(vy, &buf0[i], vyalpha1, &buf1[i], vyalpha);
- vy32_l = vec_sra(tmp3, shift10);
- vy32_r = vec_sra(tmp4, shift10);
- SETUP(vu, &ubuf0[i], vuvalpha1, &ubuf1[i], vuvalpha);
- tmp3 = vec_sub(tmp3, dec128);
- tmp4 = vec_sub(tmp4, dec128);
- vu32_l = vec_sra(tmp3, shift10);
- vu32_r = vec_sra(tmp4, shift10);
- SETUP(vv, &vbuf0[i], vuvalpha1, &vbuf1[i], vuvalpha);
- tmp3 = vec_sub(tmp3, dec128);
- tmp4 = vec_sub(tmp4, dec128);
- vv32_l = vec_sra(tmp3, shift10);
- vv32_r = vec_sra(tmp4, shift10);
- if (hasAlpha) {
- SETUP(A, &abuf0[i], vyalpha1, &abuf1[i], vyalpha);
- tmp3 = vec_add(tmp3, add18);
- tmp4 = vec_add(tmp4, add18);
- tmp3 = vec_sra(tmp3, shift19);
- tmp4 = vec_sra(tmp4, shift19);
- A = vec_packs(tmp3, tmp4);
- ad = vec_packsu(A, (vec_s16) zero16);
- } else {
- ad = vec_splats((uint8_t) 255);
- }
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- R_l = vec_mul(vv32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vv32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vv32_l, v2g_coeff);
- tmp32 = vec_mul(vu32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vv32_r, v2g_coeff);
- tmp32 = vec_mul(vu32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vu32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vu32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- }
- }
- static av_always_inline void
- yuv2rgb_2_vsx_template(SwsContext *c, const int16_t *buf[2],
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf[2], uint8_t *dest, int dstW,
- int yalpha, int uvalpha, int y,
- enum AVPixelFormat target, int hasAlpha)
- {
- const int16_t *buf0 = buf[0], *buf1 = buf[1],
- *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
- *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
- *abuf0 = hasAlpha ? abuf[0] : NULL,
- *abuf1 = hasAlpha ? abuf[1] : NULL;
- const int16_t yalpha1 = 4096 - yalpha;
- const int16_t uvalpha1 = 4096 - uvalpha;
- vec_s16 vy, vu, vv, A = vec_splat_s16(0);
- vec_s32 vy32_l, vy32_r, vu32_l, vu32_r, vv32_l, vv32_r, tmp32;
- vec_s32 R_l, R_r, G_l, G_r, B_l, B_r, vud32_l, vud32_r, vvd32_l, vvd32_r;
- vec_s32 tmp, tmp2, tmp3, tmp4, tmp5, tmp6;
- vec_u16 rd16, gd16, bd16;
- vec_u8 rd, bd, gd, ad, out0, out1, tmp8;
- const vec_s16 vyalpha1 = vec_splats(yalpha1);
- const vec_s16 vuvalpha1 = vec_splats(uvalpha1);
- const vec_s16 vyalpha = vec_splats((int16_t) yalpha);
- const vec_s16 vuvalpha = vec_splats((int16_t) uvalpha);
- const vec_u16 zero16 = vec_splat_u16(0);
- const vec_s32 y_offset = vec_splats(c->yuv2rgb_y_offset);
- const vec_s32 y_coeff = vec_splats(c->yuv2rgb_y_coeff);
- const vec_s32 y_add = vec_splats(1 << 21);
- const vec_s32 v2r_coeff = vec_splats(c->yuv2rgb_v2r_coeff);
- const vec_s32 v2g_coeff = vec_splats(c->yuv2rgb_v2g_coeff);
- const vec_s32 u2g_coeff = vec_splats(c->yuv2rgb_u2g_coeff);
- const vec_s32 u2b_coeff = vec_splats(c->yuv2rgb_u2b_coeff);
- const vec_s32 rgbclip = vec_splats(1 << 30);
- const vec_s32 zero32 = vec_splat_s32(0);
- const vec_u32 shift19 = vec_splats(19U);
- const vec_u32 shift22 = vec_splats(22U);
- const vec_u32 shift10 = vec_splat_u32(10);
- const vec_s32 dec128 = vec_splats(128 << 19);
- const vec_s32 add18 = vec_splats(1 << 18);
- int i;
- // Various permutations
- const vec_u8 doubleleft = (vec_u8) {0, 1, 2, 3,
- 0, 1, 2, 3,
- 4, 5, 6, 7,
- 4, 5, 6, 7 };
- const vec_u8 doubleright = (vec_u8) {8, 9, 10, 11,
- 8, 9, 10, 11,
- 12, 13, 14, 15,
- 12, 13, 14, 15 };
- const vec_u8 perm3rg0 = (vec_u8) {0x0, 0x10, 0,
- 0x1, 0x11, 0,
- 0x2, 0x12, 0,
- 0x3, 0x13, 0,
- 0x4, 0x14, 0,
- 0x5 };
- const vec_u8 perm3rg1 = (vec_u8) { 0x15, 0,
- 0x6, 0x16, 0,
- 0x7, 0x17, 0 };
- const vec_u8 perm3tb0 = (vec_u8) {0x0, 0x1, 0x10,
- 0x3, 0x4, 0x11,
- 0x6, 0x7, 0x12,
- 0x9, 0xa, 0x13,
- 0xc, 0xd, 0x14,
- 0xf };
- const vec_u8 perm3tb1 = (vec_u8) { 0x0, 0x15,
- 0x2, 0x3, 0x16,
- 0x5, 0x6, 0x17 };
- av_assert2(yalpha <= 4096U);
- av_assert2(uvalpha <= 4096U);
- for (i = 0; i < (dstW + 1) >> 1; i += 8) {
- SETUP(vy, &buf0[i * 2], vyalpha1, &buf1[i * 2], vyalpha);
- vy32_l = vec_sra(tmp3, shift10);
- vy32_r = vec_sra(tmp4, shift10);
- SETUP(vu, &ubuf0[i], vuvalpha1, &ubuf1[i], vuvalpha);
- tmp3 = vec_sub(tmp3, dec128);
- tmp4 = vec_sub(tmp4, dec128);
- vu32_l = vec_sra(tmp3, shift10);
- vu32_r = vec_sra(tmp4, shift10);
- SETUP(vv, &vbuf0[i], vuvalpha1, &vbuf1[i], vuvalpha);
- tmp3 = vec_sub(tmp3, dec128);
- tmp4 = vec_sub(tmp4, dec128);
- vv32_l = vec_sra(tmp3, shift10);
- vv32_r = vec_sra(tmp4, shift10);
- if (hasAlpha) {
- SETUP(A, &abuf0[i], vyalpha1, &abuf1[i], vyalpha);
- tmp3 = vec_add(tmp3, add18);
- tmp4 = vec_add(tmp4, add18);
- tmp3 = vec_sra(tmp3, shift19);
- tmp4 = vec_sra(tmp4, shift19);
- A = vec_packs(tmp3, tmp4);
- ad = vec_packsu(A, (vec_s16) zero16);
- } else {
- ad = vec_splats((uint8_t) 255);
- }
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- // Use the first UV half
- vud32_l = vec_perm(vu32_l, vu32_l, doubleleft);
- vud32_r = vec_perm(vu32_l, vu32_l, doubleright);
- vvd32_l = vec_perm(vv32_l, vv32_l, doubleleft);
- vvd32_r = vec_perm(vv32_l, vv32_l, doubleright);
- R_l = vec_mul(vvd32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vvd32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vvd32_l, v2g_coeff);
- tmp32 = vec_mul(vud32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vvd32_r, v2g_coeff);
- tmp32 = vec_mul(vud32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vud32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vud32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- // New Y for the second half
- SETUP(vy, &buf0[i * 2 + 8], vyalpha1, &buf1[i * 2 + 8], vyalpha);
- vy32_l = vec_sra(tmp3, shift10);
- vy32_r = vec_sra(tmp4, shift10);
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- // Second UV half
- vud32_l = vec_perm(vu32_r, vu32_r, doubleleft);
- vud32_r = vec_perm(vu32_r, vu32_r, doubleright);
- vvd32_l = vec_perm(vv32_r, vv32_r, doubleleft);
- vvd32_r = vec_perm(vv32_r, vv32_r, doubleright);
- R_l = vec_mul(vvd32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vvd32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vvd32_l, v2g_coeff);
- tmp32 = vec_mul(vud32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vvd32_r, v2g_coeff);
- tmp32 = vec_mul(vud32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vud32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vud32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- }
- }
- #undef SETUP
- static av_always_inline void
- yuv2rgb_full_1_vsx_template(SwsContext *c, const int16_t *buf0,
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf0, uint8_t *dest, int dstW,
- int uvalpha, int y, enum AVPixelFormat target,
- int hasAlpha)
- {
- const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
- const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- vec_s16 vy, vu, vv, A = vec_splat_s16(0), tmp16;
- vec_s32 vy32_l, vy32_r, vu32_l, vu32_r, vv32_l, vv32_r, tmp32, tmp32_2;
- vec_s32 R_l, R_r, G_l, G_r, B_l, B_r;
- vec_u16 rd16, gd16, bd16;
- vec_u8 rd, bd, gd, ad, out0, out1, tmp8;
- const vec_u16 zero16 = vec_splat_u16(0);
- const vec_s32 y_offset = vec_splats(c->yuv2rgb_y_offset);
- const vec_s32 y_coeff = vec_splats(c->yuv2rgb_y_coeff);
- const vec_s32 y_add = vec_splats(1 << 21);
- const vec_s32 v2r_coeff = vec_splats(c->yuv2rgb_v2r_coeff);
- const vec_s32 v2g_coeff = vec_splats(c->yuv2rgb_v2g_coeff);
- const vec_s32 u2g_coeff = vec_splats(c->yuv2rgb_u2g_coeff);
- const vec_s32 u2b_coeff = vec_splats(c->yuv2rgb_u2b_coeff);
- const vec_s32 rgbclip = vec_splats(1 << 30);
- const vec_s32 zero32 = vec_splat_s32(0);
- const vec_u32 shift2 = vec_splat_u32(2);
- const vec_u32 shift22 = vec_splats(22U);
- const vec_u16 sub7 = vec_splats((uint16_t) (128 << 7));
- const vec_u16 sub8 = vec_splats((uint16_t) (128 << 8));
- const vec_s16 mul4 = vec_splat_s16(4);
- const vec_s16 mul8 = vec_splat_s16(8);
- const vec_s16 add64 = vec_splat_s16(64);
- const vec_u16 shift7 = vec_splat_u16(7);
- const vec_s16 max255 = vec_splat_s16(255);
- int i;
- // Various permutations
- const vec_u8 perm3rg0 = (vec_u8) {0x0, 0x10, 0,
- 0x1, 0x11, 0,
- 0x2, 0x12, 0,
- 0x3, 0x13, 0,
- 0x4, 0x14, 0,
- 0x5 };
- const vec_u8 perm3rg1 = (vec_u8) { 0x15, 0,
- 0x6, 0x16, 0,
- 0x7, 0x17, 0 };
- const vec_u8 perm3tb0 = (vec_u8) {0x0, 0x1, 0x10,
- 0x3, 0x4, 0x11,
- 0x6, 0x7, 0x12,
- 0x9, 0xa, 0x13,
- 0xc, 0xd, 0x14,
- 0xf };
- const vec_u8 perm3tb1 = (vec_u8) { 0x0, 0x15,
- 0x2, 0x3, 0x16,
- 0x5, 0x6, 0x17 };
- for (i = 0; i < dstW; i += 8) { // The x86 asm also overwrites padding bytes.
- vy = vec_ld(0, &buf0[i]);
- vy32_l = vec_unpackh(vy);
- vy32_r = vec_unpackl(vy);
- vy32_l = vec_sl(vy32_l, shift2);
- vy32_r = vec_sl(vy32_r, shift2);
- vu = vec_ld(0, &ubuf0[i]);
- vv = vec_ld(0, &vbuf0[i]);
- if (uvalpha < 2048) {
- vu = (vec_s16) vec_sub((vec_u16) vu, sub7);
- vv = (vec_s16) vec_sub((vec_u16) vv, sub7);
- tmp32 = vec_mule(vu, mul4);
- tmp32_2 = vec_mulo(vu, mul4);
- vu32_l = vec_mergeh(tmp32, tmp32_2);
- vu32_r = vec_mergel(tmp32, tmp32_2);
- tmp32 = vec_mule(vv, mul4);
- tmp32_2 = vec_mulo(vv, mul4);
- vv32_l = vec_mergeh(tmp32, tmp32_2);
- vv32_r = vec_mergel(tmp32, tmp32_2);
- } else {
- tmp16 = vec_ld(0, &ubuf1[i]);
- vu = vec_add(vu, tmp16);
- vu = (vec_s16) vec_sub((vec_u16) vu, sub8);
- tmp16 = vec_ld(0, &vbuf1[i]);
- vv = vec_add(vv, tmp16);
- vv = (vec_s16) vec_sub((vec_u16) vv, sub8);
- vu32_l = vec_mule(vu, mul8);
- vu32_r = vec_mulo(vu, mul8);
- vv32_l = vec_mule(vv, mul8);
- vv32_r = vec_mulo(vv, mul8);
- }
- if (hasAlpha) {
- A = vec_ld(0, &abuf0[i]);
- A = vec_add(A, add64);
- A = vec_sr(A, shift7);
- A = vec_max(A, max255);
- ad = vec_packsu(A, (vec_s16) zero16);
- } else {
- ad = vec_splats((uint8_t) 255);
- }
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- R_l = vec_mul(vv32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vv32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vv32_l, v2g_coeff);
- tmp32 = vec_mul(vu32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vv32_r, v2g_coeff);
- tmp32 = vec_mul(vu32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vu32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vu32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- }
- }
- static av_always_inline void
- yuv2rgb_1_vsx_template(SwsContext *c, const int16_t *buf0,
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf0, uint8_t *dest, int dstW,
- int uvalpha, int y, enum AVPixelFormat target,
- int hasAlpha)
- {
- const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
- const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- vec_s16 vy, vu, vv, A = vec_splat_s16(0), tmp16;
- vec_s32 vy32_l, vy32_r, vu32_l, vu32_r, vv32_l, vv32_r, tmp32, tmp32_2;
- vec_s32 vud32_l, vud32_r, vvd32_l, vvd32_r;
- vec_s32 R_l, R_r, G_l, G_r, B_l, B_r;
- vec_u16 rd16, gd16, bd16;
- vec_u8 rd, bd, gd, ad, out0, out1, tmp8;
- const vec_u16 zero16 = vec_splat_u16(0);
- const vec_s32 y_offset = vec_splats(c->yuv2rgb_y_offset);
- const vec_s32 y_coeff = vec_splats(c->yuv2rgb_y_coeff);
- const vec_s32 y_add = vec_splats(1 << 21);
- const vec_s32 v2r_coeff = vec_splats(c->yuv2rgb_v2r_coeff);
- const vec_s32 v2g_coeff = vec_splats(c->yuv2rgb_v2g_coeff);
- const vec_s32 u2g_coeff = vec_splats(c->yuv2rgb_u2g_coeff);
- const vec_s32 u2b_coeff = vec_splats(c->yuv2rgb_u2b_coeff);
- const vec_s32 rgbclip = vec_splats(1 << 30);
- const vec_s32 zero32 = vec_splat_s32(0);
- const vec_u32 shift2 = vec_splat_u32(2);
- const vec_u32 shift22 = vec_splats(22U);
- const vec_u16 sub7 = vec_splats((uint16_t) (128 << 7));
- const vec_u16 sub8 = vec_splats((uint16_t) (128 << 8));
- const vec_s16 mul4 = vec_splat_s16(4);
- const vec_s16 mul8 = vec_splat_s16(8);
- const vec_s16 add64 = vec_splat_s16(64);
- const vec_u16 shift7 = vec_splat_u16(7);
- const vec_s16 max255 = vec_splat_s16(255);
- int i;
- // Various permutations
- const vec_u8 doubleleft = (vec_u8) {0, 1, 2, 3,
- 0, 1, 2, 3,
- 4, 5, 6, 7,
- 4, 5, 6, 7 };
- const vec_u8 doubleright = (vec_u8) {8, 9, 10, 11,
- 8, 9, 10, 11,
- 12, 13, 14, 15,
- 12, 13, 14, 15 };
- const vec_u8 perm3rg0 = (vec_u8) {0x0, 0x10, 0,
- 0x1, 0x11, 0,
- 0x2, 0x12, 0,
- 0x3, 0x13, 0,
- 0x4, 0x14, 0,
- 0x5 };
- const vec_u8 perm3rg1 = (vec_u8) { 0x15, 0,
- 0x6, 0x16, 0,
- 0x7, 0x17, 0 };
- const vec_u8 perm3tb0 = (vec_u8) {0x0, 0x1, 0x10,
- 0x3, 0x4, 0x11,
- 0x6, 0x7, 0x12,
- 0x9, 0xa, 0x13,
- 0xc, 0xd, 0x14,
- 0xf };
- const vec_u8 perm3tb1 = (vec_u8) { 0x0, 0x15,
- 0x2, 0x3, 0x16,
- 0x5, 0x6, 0x17 };
- for (i = 0; i < (dstW + 1) >> 1; i += 8) { // The x86 asm also overwrites padding bytes.
- vy = vec_ld(0, &buf0[i * 2]);
- vy32_l = vec_unpackh(vy);
- vy32_r = vec_unpackl(vy);
- vy32_l = vec_sl(vy32_l, shift2);
- vy32_r = vec_sl(vy32_r, shift2);
- vu = vec_ld(0, &ubuf0[i]);
- vv = vec_ld(0, &vbuf0[i]);
- if (uvalpha < 2048) {
- vu = (vec_s16) vec_sub((vec_u16) vu, sub7);
- vv = (vec_s16) vec_sub((vec_u16) vv, sub7);
- tmp32 = vec_mule(vu, mul4);
- tmp32_2 = vec_mulo(vu, mul4);
- vu32_l = vec_mergeh(tmp32, tmp32_2);
- vu32_r = vec_mergel(tmp32, tmp32_2);
- tmp32 = vec_mule(vv, mul4);
- tmp32_2 = vec_mulo(vv, mul4);
- vv32_l = vec_mergeh(tmp32, tmp32_2);
- vv32_r = vec_mergel(tmp32, tmp32_2);
- } else {
- tmp16 = vec_ld(0, &ubuf1[i]);
- vu = vec_add(vu, tmp16);
- vu = (vec_s16) vec_sub((vec_u16) vu, sub8);
- tmp16 = vec_ld(0, &vbuf1[i]);
- vv = vec_add(vv, tmp16);
- vv = (vec_s16) vec_sub((vec_u16) vv, sub8);
- vu32_l = vec_mule(vu, mul8);
- vu32_r = vec_mulo(vu, mul8);
- vv32_l = vec_mule(vv, mul8);
- vv32_r = vec_mulo(vv, mul8);
- }
- if (hasAlpha) {
- A = vec_ld(0, &abuf0[i]);
- A = vec_add(A, add64);
- A = vec_sr(A, shift7);
- A = vec_max(A, max255);
- ad = vec_packsu(A, (vec_s16) zero16);
- } else {
- ad = vec_splats((uint8_t) 255);
- }
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- // Use the first UV half
- vud32_l = vec_perm(vu32_l, vu32_l, doubleleft);
- vud32_r = vec_perm(vu32_l, vu32_l, doubleright);
- vvd32_l = vec_perm(vv32_l, vv32_l, doubleleft);
- vvd32_r = vec_perm(vv32_l, vv32_l, doubleright);
- R_l = vec_mul(vvd32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vvd32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vvd32_l, v2g_coeff);
- tmp32 = vec_mul(vud32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vvd32_r, v2g_coeff);
- tmp32 = vec_mul(vud32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vud32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vud32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- // New Y for the second half
- vy = vec_ld(16, &buf0[i * 2]);
- vy32_l = vec_unpackh(vy);
- vy32_r = vec_unpackl(vy);
- vy32_l = vec_sl(vy32_l, shift2);
- vy32_r = vec_sl(vy32_r, shift2);
- vy32_l = vec_sub(vy32_l, y_offset);
- vy32_r = vec_sub(vy32_r, y_offset);
- vy32_l = vec_mul(vy32_l, y_coeff);
- vy32_r = vec_mul(vy32_r, y_coeff);
- vy32_l = vec_add(vy32_l, y_add);
- vy32_r = vec_add(vy32_r, y_add);
- // Second UV half
- vud32_l = vec_perm(vu32_r, vu32_r, doubleleft);
- vud32_r = vec_perm(vu32_r, vu32_r, doubleright);
- vvd32_l = vec_perm(vv32_r, vv32_r, doubleleft);
- vvd32_r = vec_perm(vv32_r, vv32_r, doubleright);
- R_l = vec_mul(vvd32_l, v2r_coeff);
- R_l = vec_add(R_l, vy32_l);
- R_r = vec_mul(vvd32_r, v2r_coeff);
- R_r = vec_add(R_r, vy32_r);
- G_l = vec_mul(vvd32_l, v2g_coeff);
- tmp32 = vec_mul(vud32_l, u2g_coeff);
- G_l = vec_add(G_l, vy32_l);
- G_l = vec_add(G_l, tmp32);
- G_r = vec_mul(vvd32_r, v2g_coeff);
- tmp32 = vec_mul(vud32_r, u2g_coeff);
- G_r = vec_add(G_r, vy32_r);
- G_r = vec_add(G_r, tmp32);
- B_l = vec_mul(vud32_l, u2b_coeff);
- B_l = vec_add(B_l, vy32_l);
- B_r = vec_mul(vud32_r, u2b_coeff);
- B_r = vec_add(B_r, vy32_r);
- WRITERGB
- }
- }
- #undef WRITERGB
- #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
- static void name ## ext ## _X_vsx(SwsContext *c, const int16_t *lumFilter, \
- const int16_t **lumSrc, int lumFilterSize, \
- const int16_t *chrFilter, const int16_t **chrUSrc, \
- const int16_t **chrVSrc, int chrFilterSize, \
- const int16_t **alpSrc, uint8_t *dest, int dstW, \
- int y) \
- { \
- name ## base ## _X_vsx_template(c, lumFilter, lumSrc, lumFilterSize, \
- chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
- alpSrc, dest, dstW, y, fmt, hasAlpha); \
- }
- #define YUV2RGBWRAPPERX2(name, base, ext, fmt, hasAlpha) \
- static void name ## ext ## _2_vsx(SwsContext *c, const int16_t *buf[2], \
- const int16_t *ubuf[2], const int16_t *vbuf[2], \
- const int16_t *abuf[2], uint8_t *dest, int dstW, \
- int yalpha, int uvalpha, int y) \
- { \
- name ## base ## _2_vsx_template(c, buf, ubuf, vbuf, abuf, \
- dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \
- }
- #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
- static void name ## ext ## _1_vsx(SwsContext *c, const int16_t *buf0, \
- const int16_t *ubuf[2], const int16_t *vbuf[2], \
- const int16_t *abuf0, uint8_t *dest, int dstW, \
- int uvalpha, int y) \
- { \
- name ## base ## _1_vsx_template(c, buf0, ubuf, vbuf, abuf0, dest, \
- dstW, uvalpha, y, fmt, hasAlpha); \
- }
- YUV2RGBWRAPPER(yuv2, rgb, bgrx32, AV_PIX_FMT_BGRA, 0)
- YUV2RGBWRAPPER(yuv2, rgb, rgbx32, AV_PIX_FMT_RGBA, 0)
- YUV2RGBWRAPPER(yuv2, rgb, xrgb32, AV_PIX_FMT_ARGB, 0)
- YUV2RGBWRAPPER(yuv2, rgb, xbgr32, AV_PIX_FMT_ABGR, 0)
- YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24, 0)
- YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, bgrx32, AV_PIX_FMT_BGRA, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, rgbx32, AV_PIX_FMT_RGBA, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, xrgb32, AV_PIX_FMT_ARGB, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, xbgr32, AV_PIX_FMT_ABGR, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
- YUV2RGBWRAPPER(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
- YUV2RGBWRAPPERX2(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
- YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
- static av_always_inline void
- write422(const vec_s16 vy1, const vec_s16 vy2,
- const vec_s16 vu, const vec_s16 vv,
- uint8_t *dest, const enum AVPixelFormat target)
- {
- vec_u8 vd1, vd2, tmp;
- const vec_u8 yuyv1 = (vec_u8) {
- 0x0, 0x10, 0x1, 0x18,
- 0x2, 0x11, 0x3, 0x19,
- 0x4, 0x12, 0x5, 0x1a,
- 0x6, 0x13, 0x7, 0x1b };
- const vec_u8 yuyv2 = (vec_u8) {
- 0x8, 0x14, 0x9, 0x1c,
- 0xa, 0x15, 0xb, 0x1d,
- 0xc, 0x16, 0xd, 0x1e,
- 0xe, 0x17, 0xf, 0x1f };
- const vec_u8 yvyu1 = (vec_u8) {
- 0x0, 0x18, 0x1, 0x10,
- 0x2, 0x19, 0x3, 0x11,
- 0x4, 0x1a, 0x5, 0x12,
- 0x6, 0x1b, 0x7, 0x13 };
- const vec_u8 yvyu2 = (vec_u8) {
- 0x8, 0x1c, 0x9, 0x14,
- 0xa, 0x1d, 0xb, 0x15,
- 0xc, 0x1e, 0xd, 0x16,
- 0xe, 0x1f, 0xf, 0x17 };
- const vec_u8 uyvy1 = (vec_u8) {
- 0x10, 0x0, 0x18, 0x1,
- 0x11, 0x2, 0x19, 0x3,
- 0x12, 0x4, 0x1a, 0x5,
- 0x13, 0x6, 0x1b, 0x7 };
- const vec_u8 uyvy2 = (vec_u8) {
- 0x14, 0x8, 0x1c, 0x9,
- 0x15, 0xa, 0x1d, 0xb,
- 0x16, 0xc, 0x1e, 0xd,
- 0x17, 0xe, 0x1f, 0xf };
- vd1 = vec_packsu(vy1, vy2);
- vd2 = vec_packsu(vu, vv);
- switch (target) {
- case AV_PIX_FMT_YUYV422:
- tmp = vec_perm(vd1, vd2, yuyv1);
- vec_st(tmp, 0, dest);
- tmp = vec_perm(vd1, vd2, yuyv2);
- vec_st(tmp, 16, dest);
- break;
- case AV_PIX_FMT_YVYU422:
- tmp = vec_perm(vd1, vd2, yvyu1);
- vec_st(tmp, 0, dest);
- tmp = vec_perm(vd1, vd2, yvyu2);
- vec_st(tmp, 16, dest);
- break;
- case AV_PIX_FMT_UYVY422:
- tmp = vec_perm(vd1, vd2, uyvy1);
- vec_st(tmp, 0, dest);
- tmp = vec_perm(vd1, vd2, uyvy2);
- vec_st(tmp, 16, dest);
- break;
- }
- }
- static av_always_inline void
- yuv2422_X_vsx_template(SwsContext *c, const int16_t *lumFilter,
- const int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, const int16_t **chrUSrc,
- const int16_t **chrVSrc, int chrFilterSize,
- const int16_t **alpSrc, uint8_t *dest, int dstW,
- int y, enum AVPixelFormat target)
- {
- int i, j;
- vec_s16 vy1, vy2, vu, vv;
- vec_s32 vy32[4], vu32[2], vv32[2], tmp, tmp2, tmp3, tmp4;
- vec_s16 vlumFilter[MAX_FILTER_SIZE], vchrFilter[MAX_FILTER_SIZE];
- const vec_s32 start = vec_splats(1 << 18);
- const vec_u32 shift19 = vec_splats(19U);
- for (i = 0; i < lumFilterSize; i++)
- vlumFilter[i] = vec_splats(lumFilter[i]);
- for (i = 0; i < chrFilterSize; i++)
- vchrFilter[i] = vec_splats(chrFilter[i]);
- for (i = 0; i < ((dstW + 1) >> 1); i += 8) {
- vy32[0] =
- vy32[1] =
- vy32[2] =
- vy32[3] =
- vu32[0] =
- vu32[1] =
- vv32[0] =
- vv32[1] = start;
- for (j = 0; j < lumFilterSize; j++) {
- vv = vec_ld(0, &lumSrc[j][i * 2]);
- tmp = vec_mule(vv, vlumFilter[j]);
- tmp2 = vec_mulo(vv, vlumFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vy32[0] = vec_adds(vy32[0], tmp3);
- vy32[1] = vec_adds(vy32[1], tmp4);
- vv = vec_ld(0, &lumSrc[j][(i + 4) * 2]);
- tmp = vec_mule(vv, vlumFilter[j]);
- tmp2 = vec_mulo(vv, vlumFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vy32[2] = vec_adds(vy32[2], tmp3);
- vy32[3] = vec_adds(vy32[3], tmp4);
- }
- for (j = 0; j < chrFilterSize; j++) {
- vv = vec_ld(0, &chrUSrc[j][i]);
- tmp = vec_mule(vv, vchrFilter[j]);
- tmp2 = vec_mulo(vv, vchrFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vu32[0] = vec_adds(vu32[0], tmp3);
- vu32[1] = vec_adds(vu32[1], tmp4);
- vv = vec_ld(0, &chrVSrc[j][i]);
- tmp = vec_mule(vv, vchrFilter[j]);
- tmp2 = vec_mulo(vv, vchrFilter[j]);
- tmp3 = vec_mergeh(tmp, tmp2);
- tmp4 = vec_mergel(tmp, tmp2);
- vv32[0] = vec_adds(vv32[0], tmp3);
- vv32[1] = vec_adds(vv32[1], tmp4);
- }
- for (j = 0; j < 4; j++) {
- vy32[j] = vec_sra(vy32[j], shift19);
- }
- for (j = 0; j < 2; j++) {
- vu32[j] = vec_sra(vu32[j], shift19);
- vv32[j] = vec_sra(vv32[j], shift19);
- }
- vy1 = vec_packs(vy32[0], vy32[1]);
- vy2 = vec_packs(vy32[2], vy32[3]);
- vu = vec_packs(vu32[0], vu32[1]);
- vv = vec_packs(vv32[0], vv32[1]);
- write422(vy1, vy2, vu, vv, &dest[i * 4], target);
- }
- }
- #define SETUP(x, buf0, buf1, alpha) { \
- x = vec_ld(0, buf0); \
- tmp = vec_mule(x, alpha); \
- tmp2 = vec_mulo(x, alpha); \
- tmp3 = vec_mergeh(tmp, tmp2); \
- tmp4 = vec_mergel(tmp, tmp2); \
- \
- x = vec_ld(0, buf1); \
- tmp = vec_mule(x, alpha); \
- tmp2 = vec_mulo(x, alpha); \
- tmp5 = vec_mergeh(tmp, tmp2); \
- tmp6 = vec_mergel(tmp, tmp2); \
- \
- tmp3 = vec_add(tmp3, tmp5); \
- tmp4 = vec_add(tmp4, tmp6); \
- \
- tmp3 = vec_sra(tmp3, shift19); \
- tmp4 = vec_sra(tmp4, shift19); \
- x = vec_packs(tmp3, tmp4); \
- }
- static av_always_inline void
- yuv2422_2_vsx_template(SwsContext *c, const int16_t *buf[2],
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf[2], uint8_t *dest, int dstW,
- int yalpha, int uvalpha, int y,
- enum AVPixelFormat target)
- {
- const int16_t *buf0 = buf[0], *buf1 = buf[1],
- *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
- *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
- const int16_t yalpha1 = 4096 - yalpha;
- const int16_t uvalpha1 = 4096 - uvalpha;
- vec_s16 vy1, vy2, vu, vv;
- vec_s32 tmp, tmp2, tmp3, tmp4, tmp5, tmp6;
- const vec_s16 vyalpha1 = vec_splats(yalpha1);
- const vec_s16 vuvalpha1 = vec_splats(uvalpha1);
- const vec_u32 shift19 = vec_splats(19U);
- int i;
- av_assert2(yalpha <= 4096U);
- av_assert2(uvalpha <= 4096U);
- for (i = 0; i < ((dstW + 1) >> 1); i += 8) {
- SETUP(vy1, &buf0[i * 2], &buf1[i * 2], vyalpha1)
- SETUP(vy2, &buf0[(i + 4) * 2], &buf1[(i + 4) * 2], vyalpha1)
- SETUP(vu, &ubuf0[i], &ubuf1[i], vuvalpha1)
- SETUP(vv, &vbuf0[i], &vbuf1[i], vuvalpha1)
- write422(vy1, vy2, vu, vv, &dest[i * 4], target);
- }
- }
- #undef SETUP
- static av_always_inline void
- yuv2422_1_vsx_template(SwsContext *c, const int16_t *buf0,
- const int16_t *ubuf[2], const int16_t *vbuf[2],
- const int16_t *abuf0, uint8_t *dest, int dstW,
- int uvalpha, int y, enum AVPixelFormat target)
- {
- const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
- vec_s16 vy1, vy2, vu, vv, tmp;
- const vec_s16 add64 = vec_splats((int16_t) 64);
- const vec_s16 add128 = vec_splats((int16_t) 128);
- const vec_u16 shift7 = vec_splat_u16(7);
- const vec_u16 shift8 = vec_splat_u16(8);
- int i;
- if (uvalpha < 2048) {
- for (i = 0; i < ((dstW + 1) >> 1); i += 8) {
- vy1 = vec_ld(0, &buf0[i * 2]);
- vy2 = vec_ld(0, &buf0[(i + 4) * 2]);
- vu = vec_ld(0, &ubuf0[i]);
- vv = vec_ld(0, &vbuf0[i]);
- vy1 = vec_add(vy1, add64);
- vy2 = vec_add(vy2, add64);
- vu = vec_add(vu, add64);
- vv = vec_add(vv, add64);
- vy1 = vec_sra(vy1, shift7);
- vy2 = vec_sra(vy2, shift7);
- vu = vec_sra(vu, shift7);
- vv = vec_sra(vv, shift7);
- write422(vy1, vy2, vu, vv, &dest[i * 4], target);
- }
- } else {
- const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
- for (i = 0; i < ((dstW + 1) >> 1); i += 8) {
- vy1 = vec_ld(0, &buf0[i * 2]);
- vy2 = vec_ld(0, &buf0[(i + 4) * 2]);
- vu = vec_ld(0, &ubuf0[i]);
- tmp = vec_ld(0, &ubuf1[i]);
- vu = vec_adds(vu, tmp);
- vv = vec_ld(0, &vbuf0[i]);
- tmp = vec_ld(0, &vbuf1[i]);
- vv = vec_adds(vv, tmp);
- vy1 = vec_add(vy1, add64);
- vy2 = vec_add(vy2, add64);
- vu = vec_adds(vu, add128);
- vv = vec_adds(vv, add128);
- vy1 = vec_sra(vy1, shift7);
- vy2 = vec_sra(vy2, shift7);
- vu = vec_sra(vu, shift8);
- vv = vec_sra(vv, shift8);
- write422(vy1, vy2, vu, vv, &dest[i * 4], target);
- }
- }
- }
- #define YUV2PACKEDWRAPPERX(name, base, ext, fmt) \
- static void name ## ext ## _X_vsx(SwsContext *c, const int16_t *lumFilter, \
- const int16_t **lumSrc, int lumFilterSize, \
- const int16_t *chrFilter, const int16_t **chrUSrc, \
- const int16_t **chrVSrc, int chrFilterSize, \
- const int16_t **alpSrc, uint8_t *dest, int dstW, \
- int y) \
- { \
- name ## base ## _X_vsx_template(c, lumFilter, lumSrc, lumFilterSize, \
- chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
- alpSrc, dest, dstW, y, fmt); \
- }
- #define YUV2PACKEDWRAPPER2(name, base, ext, fmt) \
- YUV2PACKEDWRAPPERX(name, base, ext, fmt) \
- static void name ## ext ## _2_vsx(SwsContext *c, const int16_t *buf[2], \
- const int16_t *ubuf[2], const int16_t *vbuf[2], \
- const int16_t *abuf[2], uint8_t *dest, int dstW, \
- int yalpha, int uvalpha, int y) \
- { \
- name ## base ## _2_vsx_template(c, buf, ubuf, vbuf, abuf, \
- dest, dstW, yalpha, uvalpha, y, fmt); \
- }
- #define YUV2PACKEDWRAPPER(name, base, ext, fmt) \
- YUV2PACKEDWRAPPER2(name, base, ext, fmt) \
- static void name ## ext ## _1_vsx(SwsContext *c, const int16_t *buf0, \
- const int16_t *ubuf[2], const int16_t *vbuf[2], \
- const int16_t *abuf0, uint8_t *dest, int dstW, \
- int uvalpha, int y) \
- { \
- name ## base ## _1_vsx_template(c, buf0, ubuf, vbuf, \
- abuf0, dest, dstW, uvalpha, \
- y, fmt); \
- }
- YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, AV_PIX_FMT_YUYV422)
- YUV2PACKEDWRAPPER(yuv2, 422, yvyu422, AV_PIX_FMT_YVYU422)
- YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, AV_PIX_FMT_UYVY422)
- static void hyscale_fast_vsx(SwsContext *c, int16_t *dst, int dstWidth,
- const uint8_t *src, int srcW, int xInc)
- {
- int i;
- unsigned int xpos = 0, xx;
- vec_u8 vin, vin2, vperm;
- vec_s8 vmul, valpha;
- vec_s16 vtmp, vtmp2, vtmp3, vtmp4;
- vec_u16 vd_l, vd_r, vcoord16[2];
- vec_u32 vcoord[4];
- const vec_u32 vadd = (vec_u32) {
- 0,
- xInc * 1,
- xInc * 2,
- xInc * 3,
- };
- const vec_u16 vadd16 = (vec_u16) { // Modulo math
- 0,
- xInc * 1,
- xInc * 2,
- xInc * 3,
- xInc * 4,
- xInc * 5,
- xInc * 6,
- xInc * 7,
- };
- const vec_u32 vshift16 = vec_splats((uint32_t) 16);
- const vec_u16 vshift9 = vec_splat_u16(9);
- const vec_u8 vzero = vec_splat_u8(0);
- const vec_u16 vshift = vec_splat_u16(7);
- for (i = 0; i < dstWidth; i += 16) {
- vcoord16[0] = vec_splats((uint16_t) xpos);
- vcoord16[1] = vec_splats((uint16_t) (xpos + xInc * 8));
- vcoord16[0] = vec_add(vcoord16[0], vadd16);
- vcoord16[1] = vec_add(vcoord16[1], vadd16);
- vcoord16[0] = vec_sr(vcoord16[0], vshift9);
- vcoord16[1] = vec_sr(vcoord16[1], vshift9);
- valpha = (vec_s8) vec_pack(vcoord16[0], vcoord16[1]);
- xx = xpos >> 16;
- vin = vec_vsx_ld(0, &src[xx]);
- vcoord[0] = vec_splats(xpos & 0xffff);
- vcoord[1] = vec_splats((xpos & 0xffff) + xInc * 4);
- vcoord[2] = vec_splats((xpos & 0xffff) + xInc * 8);
- vcoord[3] = vec_splats((xpos & 0xffff) + xInc * 12);
- vcoord[0] = vec_add(vcoord[0], vadd);
- vcoord[1] = vec_add(vcoord[1], vadd);
- vcoord[2] = vec_add(vcoord[2], vadd);
- vcoord[3] = vec_add(vcoord[3], vadd);
- vcoord[0] = vec_sr(vcoord[0], vshift16);
- vcoord[1] = vec_sr(vcoord[1], vshift16);
- vcoord[2] = vec_sr(vcoord[2], vshift16);
- vcoord[3] = vec_sr(vcoord[3], vshift16);
- vcoord16[0] = vec_pack(vcoord[0], vcoord[1]);
- vcoord16[1] = vec_pack(vcoord[2], vcoord[3]);
- vperm = vec_pack(vcoord16[0], vcoord16[1]);
- vin = vec_perm(vin, vin, vperm);
- vin2 = vec_vsx_ld(1, &src[xx]);
- vin2 = vec_perm(vin2, vin2, vperm);
- vmul = (vec_s8) vec_sub(vin2, vin);
- vtmp = vec_mule(vmul, valpha);
- vtmp2 = vec_mulo(vmul, valpha);
- vtmp3 = vec_mergeh(vtmp, vtmp2);
- vtmp4 = vec_mergel(vtmp, vtmp2);
- vd_l = (vec_u16) vec_mergeh(vin, vzero);
- vd_r = (vec_u16) vec_mergel(vin, vzero);
- vd_l = vec_sl(vd_l, vshift);
- vd_r = vec_sl(vd_r, vshift);
- vd_l = vec_add(vd_l, (vec_u16) vtmp3);
- vd_r = vec_add(vd_r, (vec_u16) vtmp4);
- vec_st((vec_s16) vd_l, 0, &dst[i]);
- vec_st((vec_s16) vd_r, 0, &dst[i + 8]);
- xpos += xInc * 16;
- }
- for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
- dst[i] = src[srcW-1]*128;
- }
- #define HCSCALE(in, out) \
- vin = vec_vsx_ld(0, &in[xx]); \
- vin = vec_perm(vin, vin, vperm); \
- \
- vin2 = vec_vsx_ld(1, &in[xx]); \
- vin2 = vec_perm(vin2, vin2, vperm); \
- \
- vtmp = vec_mule(vin, valphaxor); \
- vtmp2 = vec_mulo(vin, valphaxor); \
- vtmp3 = vec_mergeh(vtmp, vtmp2); \
- vtmp4 = vec_mergel(vtmp, vtmp2); \
- \
- vtmp = vec_mule(vin2, valpha); \
- vtmp2 = vec_mulo(vin2, valpha); \
- vd_l = vec_mergeh(vtmp, vtmp2); \
- vd_r = vec_mergel(vtmp, vtmp2); \
- \
- vd_l = vec_add(vd_l, vtmp3); \
- vd_r = vec_add(vd_r, vtmp4); \
- \
- vec_st((vec_s16) vd_l, 0, &out[i]); \
- vec_st((vec_s16) vd_r, 0, &out[i + 8])
- static void hcscale_fast_vsx(SwsContext *c, int16_t *dst1, int16_t *dst2,
- int dstWidth, const uint8_t *src1,
- const uint8_t *src2, int srcW, int xInc)
- {
- int i;
- unsigned int xpos = 0, xx;
- vec_u8 vin, vin2, vperm;
- vec_u8 valpha, valphaxor;
- vec_u16 vtmp, vtmp2, vtmp3, vtmp4;
- vec_u16 vd_l, vd_r, vcoord16[2];
- vec_u32 vcoord[4];
- const vec_u8 vxor = vec_splats((uint8_t) 127);
- const vec_u32 vadd = (vec_u32) {
- 0,
- xInc * 1,
- xInc * 2,
- xInc * 3,
- };
- const vec_u16 vadd16 = (vec_u16) { // Modulo math
- 0,
- xInc * 1,
- xInc * 2,
- xInc * 3,
- xInc * 4,
- xInc * 5,
- xInc * 6,
- xInc * 7,
- };
- const vec_u32 vshift16 = vec_splats((uint32_t) 16);
- const vec_u16 vshift9 = vec_splat_u16(9);
- for (i = 0; i < dstWidth; i += 16) {
- vcoord16[0] = vec_splats((uint16_t) xpos);
- vcoord16[1] = vec_splats((uint16_t) (xpos + xInc * 8));
- vcoord16[0] = vec_add(vcoord16[0], vadd16);
- vcoord16[1] = vec_add(vcoord16[1], vadd16);
- vcoord16[0] = vec_sr(vcoord16[0], vshift9);
- vcoord16[1] = vec_sr(vcoord16[1], vshift9);
- valpha = vec_pack(vcoord16[0], vcoord16[1]);
- valphaxor = vec_xor(valpha, vxor);
- xx = xpos >> 16;
- vcoord[0] = vec_splats(xpos & 0xffff);
- vcoord[1] = vec_splats((xpos & 0xffff) + xInc * 4);
- vcoord[2] = vec_splats((xpos & 0xffff) + xInc * 8);
- vcoord[3] = vec_splats((xpos & 0xffff) + xInc * 12);
- vcoord[0] = vec_add(vcoord[0], vadd);
- vcoord[1] = vec_add(vcoord[1], vadd);
- vcoord[2] = vec_add(vcoord[2], vadd);
- vcoord[3] = vec_add(vcoord[3], vadd);
- vcoord[0] = vec_sr(vcoord[0], vshift16);
- vcoord[1] = vec_sr(vcoord[1], vshift16);
- vcoord[2] = vec_sr(vcoord[2], vshift16);
- vcoord[3] = vec_sr(vcoord[3], vshift16);
- vcoord16[0] = vec_pack(vcoord[0], vcoord[1]);
- vcoord16[1] = vec_pack(vcoord[2], vcoord[3]);
- vperm = vec_pack(vcoord16[0], vcoord16[1]);
- HCSCALE(src1, dst1);
- HCSCALE(src2, dst2);
- xpos += xInc * 16;
- }
- for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {
- dst1[i] = src1[srcW-1]*128;
- dst2[i] = src2[srcW-1]*128;
- }
- }
- #undef HCSCALE
- static void hScale8To19_vsx(SwsContext *c, int16_t *_dst, int dstW,
- const uint8_t *src, const int16_t *filter,
- const int32_t *filterPos, int filterSize)
- {
- int i, j;
- int32_t *dst = (int32_t *) _dst;
- vec_s16 vfilter, vin;
- vec_u8 vin8;
- vec_s32 vout;
- const vec_u8 vzero = vec_splat_u8(0);
- const vec_u8 vunusedtab[8] = {
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
- (vec_u8) {0x0, 0x1, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0x10, 0x10},
- };
- const vec_u8 vunused = vunusedtab[filterSize % 8];
- if (filterSize == 1) {
- for (i = 0; i < dstW; i++) {
- int srcPos = filterPos[i];
- int val = 0;
- for (j = 0; j < filterSize; j++) {
- val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
- }
- dst[i] = FFMIN(val >> 3, (1 << 19) - 1); // the cubic equation does overflow ...
- }
- } else {
- for (i = 0; i < dstW; i++) {
- const int srcPos = filterPos[i];
- vout = vec_splat_s32(0);
- for (j = 0; j < filterSize; j += 8) {
- vin8 = vec_vsx_ld(0, &src[srcPos + j]);
- vin = (vec_s16) vec_mergeh(vin8, vzero);
- if (j + 8 > filterSize) // Remove the unused elements on the last round
- vin = vec_perm(vin, (vec_s16) vzero, vunused);
- vfilter = vec_vsx_ld(0, &filter[filterSize * i + j]);
- vout = vec_msums(vin, vfilter, vout);
- }
- vout = vec_sums(vout, (vec_s32) vzero);
- dst[i] = FFMIN(vout[3] >> 3, (1 << 19) - 1);
- }
- }
- }
- static void hScale16To19_vsx(SwsContext *c, int16_t *_dst, int dstW,
- const uint8_t *_src, const int16_t *filter,
- const int32_t *filterPos, int filterSize)
- {
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
- int i, j;
- int32_t *dst = (int32_t *) _dst;
- const uint16_t *src = (const uint16_t *) _src;
- int bits = desc->comp[0].depth - 1;
- int sh = bits - 4;
- vec_s16 vfilter, vin;
- vec_s32 vout, vtmp, vtmp2, vfilter32_l, vfilter32_r;
- const vec_u8 vzero = vec_splat_u8(0);
- const vec_u8 vunusedtab[8] = {
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
- (vec_u8) {0x0, 0x1, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0x10, 0x10},
- };
- const vec_u8 vunused = vunusedtab[filterSize % 8];
- if ((isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8) && desc->comp[0].depth<16) {
- sh = 9;
- } else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
- sh = 16 - 1 - 4;
- }
- if (filterSize == 1) {
- for (i = 0; i < dstW; i++) {
- int srcPos = filterPos[i];
- int val = 0;
- for (j = 0; j < filterSize; j++) {
- val += src[srcPos + j] * filter[filterSize * i + j];
- }
- // filter=14 bit, input=16 bit, output=30 bit, >> 11 makes 19 bit
- dst[i] = FFMIN(val >> sh, (1 << 19) - 1);
- }
- } else {
- for (i = 0; i < dstW; i++) {
- const int srcPos = filterPos[i];
- vout = vec_splat_s32(0);
- for (j = 0; j < filterSize; j += 8) {
- vin = (vec_s16) vec_vsx_ld(0, &src[srcPos + j]);
- if (j + 8 > filterSize) // Remove the unused elements on the last round
- vin = vec_perm(vin, (vec_s16) vzero, vunused);
- vfilter = vec_vsx_ld(0, &filter[filterSize * i + j]);
- vfilter32_l = vec_unpackh(vfilter);
- vfilter32_r = vec_unpackl(vfilter);
- vtmp = (vec_s32) vec_mergeh(vin, (vec_s16) vzero);
- vtmp2 = (vec_s32) vec_mergel(vin, (vec_s16) vzero);
- vtmp = vec_mul(vtmp, vfilter32_l);
- vtmp2 = vec_mul(vtmp2, vfilter32_r);
- vout = vec_adds(vout, vtmp);
- vout = vec_adds(vout, vtmp2);
- }
- vout = vec_sums(vout, (vec_s32) vzero);
- dst[i] = FFMIN(vout[3] >> sh, (1 << 19) - 1);
- }
- }
- }
- static void hScale16To15_vsx(SwsContext *c, int16_t *dst, int dstW,
- const uint8_t *_src, const int16_t *filter,
- const int32_t *filterPos, int filterSize)
- {
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
- int i, j;
- const uint16_t *src = (const uint16_t *) _src;
- int sh = desc->comp[0].depth - 1;
- vec_s16 vfilter, vin;
- vec_s32 vout, vtmp, vtmp2, vfilter32_l, vfilter32_r;
- const vec_u8 vzero = vec_splat_u8(0);
- const vec_u8 vunusedtab[8] = {
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
- (vec_u8) {0x0, 0x1, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x10, 0x10, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x10, 0x10,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0x10, 0x10, 0x10, 0x10},
- (vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0x10, 0x10},
- };
- const vec_u8 vunused = vunusedtab[filterSize % 8];
- if (sh<15) {
- sh = isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 : (desc->comp[0].depth - 1);
- } else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
- sh = 16 - 1;
- }
- if (filterSize == 1) {
- for (i = 0; i < dstW; i++) {
- int srcPos = filterPos[i];
- int val = 0;
- for (j = 0; j < filterSize; j++) {
- val += src[srcPos + j] * filter[filterSize * i + j];
- }
- // filter=14 bit, input=16 bit, output=30 bit, >> 15 makes 15 bit
- dst[i] = FFMIN(val >> sh, (1 << 15) - 1);
- }
- } else {
- for (i = 0; i < dstW; i++) {
- const int srcPos = filterPos[i];
- vout = vec_splat_s32(0);
- for (j = 0; j < filterSize; j += 8) {
- vin = (vec_s16) vec_vsx_ld(0, &src[srcPos + j]);
- if (j + 8 > filterSize) // Remove the unused elements on the last round
- vin = vec_perm(vin, (vec_s16) vzero, vunused);
- vfilter = vec_vsx_ld(0, &filter[filterSize * i + j]);
- vfilter32_l = vec_unpackh(vfilter);
- vfilter32_r = vec_unpackl(vfilter);
- vtmp = (vec_s32) vec_mergeh(vin, (vec_s16) vzero);
- vtmp2 = (vec_s32) vec_mergel(vin, (vec_s16) vzero);
- vtmp = vec_mul(vtmp, vfilter32_l);
- vtmp2 = vec_mul(vtmp2, vfilter32_r);
- vout = vec_adds(vout, vtmp);
- vout = vec_adds(vout, vtmp2);
- }
- vout = vec_sums(vout, (vec_s32) vzero);
- dst[i] = FFMIN(vout[3] >> sh, (1 << 15) - 1);
- }
- }
- }
- #endif /* !HAVE_BIGENDIAN */
- #endif /* HAVE_VSX */
- av_cold void ff_sws_init_swscale_vsx(SwsContext *c)
- {
- #if HAVE_VSX
- enum AVPixelFormat dstFormat = c->dstFormat;
- const int cpu_flags = av_get_cpu_flags();
- const unsigned char power8 = HAVE_POWER8 && cpu_flags & AV_CPU_FLAG_POWER8;
- if (!(cpu_flags & AV_CPU_FLAG_VSX))
- return;
- #if !HAVE_BIGENDIAN
- if (c->srcBpc == 8) {
- if (c->dstBpc <= 14) {
- c->hyScale = c->hcScale = hScale_real_vsx;
- if (c->flags & SWS_FAST_BILINEAR && c->dstW >= c->srcW && c->chrDstW >= c->chrSrcW) {
- c->hyscale_fast = hyscale_fast_vsx;
- c->hcscale_fast = hcscale_fast_vsx;
- }
- } else {
- c->hyScale = c->hcScale = hScale8To19_vsx;
- }
- } else {
- if (power8) {
- c->hyScale = c->hcScale = c->dstBpc > 14 ? hScale16To19_vsx
- : hScale16To15_vsx;
- }
- }
- if (!is16BPS(dstFormat) && !isNBPS(dstFormat) && !isSemiPlanarYUV(dstFormat) &&
- dstFormat != AV_PIX_FMT_GRAYF32BE && dstFormat != AV_PIX_FMT_GRAYF32LE &&
- !c->needAlpha) {
- c->yuv2planeX = yuv2planeX_vsx;
- }
- #endif
- if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->needAlpha) {
- switch (c->dstBpc) {
- case 8:
- c->yuv2plane1 = yuv2plane1_8_vsx;
- break;
- #if !HAVE_BIGENDIAN
- case 9:
- c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_vsx : yuv2plane1_9LE_vsx;
- c->yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_vsx : yuv2planeX_9LE_vsx;
- break;
- case 10:
- c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_vsx : yuv2plane1_10LE_vsx;
- c->yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_vsx : yuv2planeX_10LE_vsx;
- break;
- case 12:
- c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_12BE_vsx : yuv2plane1_12LE_vsx;
- c->yuv2planeX = isBE(dstFormat) ? yuv2planeX_12BE_vsx : yuv2planeX_12LE_vsx;
- break;
- case 14:
- c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_14BE_vsx : yuv2plane1_14LE_vsx;
- c->yuv2planeX = isBE(dstFormat) ? yuv2planeX_14BE_vsx : yuv2planeX_14LE_vsx;
- break;
- case 16:
- c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_vsx : yuv2plane1_16LE_vsx;
- #if HAVE_POWER8
- if (cpu_flags & AV_CPU_FLAG_POWER8) {
- c->yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_vsx : yuv2planeX_16LE_vsx;
- }
- #endif /* HAVE_POWER8 */
- break;
- #endif /* !HAVE_BIGENDIAN */
- }
- }
- if (c->flags & SWS_BITEXACT)
- return;
- #if !HAVE_BIGENDIAN
- if (c->flags & SWS_FULL_CHR_H_INT) {
- switch (dstFormat) {
- case AV_PIX_FMT_RGB24:
- if (power8) {
- c->yuv2packed1 = yuv2rgb24_full_1_vsx;
- c->yuv2packed2 = yuv2rgb24_full_2_vsx;
- c->yuv2packedX = yuv2rgb24_full_X_vsx;
- }
- break;
- case AV_PIX_FMT_BGR24:
- if (power8) {
- c->yuv2packed1 = yuv2bgr24_full_1_vsx;
- c->yuv2packed2 = yuv2bgr24_full_2_vsx;
- c->yuv2packedX = yuv2bgr24_full_X_vsx;
- }
- break;
- case AV_PIX_FMT_BGRA:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2bgrx32_full_1_vsx;
- c->yuv2packed2 = yuv2bgrx32_full_2_vsx;
- c->yuv2packedX = yuv2bgrx32_full_X_vsx;
- }
- }
- break;
- case AV_PIX_FMT_RGBA:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2rgbx32_full_1_vsx;
- c->yuv2packed2 = yuv2rgbx32_full_2_vsx;
- c->yuv2packedX = yuv2rgbx32_full_X_vsx;
- }
- }
- break;
- case AV_PIX_FMT_ARGB:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2xrgb32_full_1_vsx;
- c->yuv2packed2 = yuv2xrgb32_full_2_vsx;
- c->yuv2packedX = yuv2xrgb32_full_X_vsx;
- }
- }
- break;
- case AV_PIX_FMT_ABGR:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2xbgr32_full_1_vsx;
- c->yuv2packed2 = yuv2xbgr32_full_2_vsx;
- c->yuv2packedX = yuv2xbgr32_full_X_vsx;
- }
- }
- break;
- }
- } else { /* !SWS_FULL_CHR_H_INT */
- switch (dstFormat) {
- case AV_PIX_FMT_YUYV422:
- c->yuv2packed1 = yuv2yuyv422_1_vsx;
- c->yuv2packed2 = yuv2yuyv422_2_vsx;
- c->yuv2packedX = yuv2yuyv422_X_vsx;
- break;
- case AV_PIX_FMT_YVYU422:
- c->yuv2packed1 = yuv2yvyu422_1_vsx;
- c->yuv2packed2 = yuv2yvyu422_2_vsx;
- c->yuv2packedX = yuv2yvyu422_X_vsx;
- break;
- case AV_PIX_FMT_UYVY422:
- c->yuv2packed1 = yuv2uyvy422_1_vsx;
- c->yuv2packed2 = yuv2uyvy422_2_vsx;
- c->yuv2packedX = yuv2uyvy422_X_vsx;
- break;
- case AV_PIX_FMT_BGRA:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2bgrx32_1_vsx;
- c->yuv2packed2 = yuv2bgrx32_2_vsx;
- }
- }
- break;
- case AV_PIX_FMT_RGBA:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2rgbx32_1_vsx;
- c->yuv2packed2 = yuv2rgbx32_2_vsx;
- }
- }
- break;
- case AV_PIX_FMT_ARGB:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2xrgb32_1_vsx;
- c->yuv2packed2 = yuv2xrgb32_2_vsx;
- }
- }
- break;
- case AV_PIX_FMT_ABGR:
- if (power8) {
- if (!c->needAlpha) {
- c->yuv2packed1 = yuv2xbgr32_1_vsx;
- c->yuv2packed2 = yuv2xbgr32_2_vsx;
- }
- }
- break;
- case AV_PIX_FMT_RGB24:
- if (power8) {
- c->yuv2packed1 = yuv2rgb24_1_vsx;
- c->yuv2packed2 = yuv2rgb24_2_vsx;
- }
- break;
- case AV_PIX_FMT_BGR24:
- if (power8) {
- c->yuv2packed1 = yuv2bgr24_1_vsx;
- c->yuv2packed2 = yuv2bgr24_2_vsx;
- }
- break;
- }
- }
- #endif /* !HAVE_BIGENDIAN */
- #endif /* HAVE_VSX */
- }
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