diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/ppc/h264_altivec.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/ppc/h264_altivec.c | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c b/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c new file mode 100644 index 000000000..c716b1e33 --- /dev/null +++ b/contrib/ffmpeg/libavcodec/ppc/h264_altivec.c @@ -0,0 +1,904 @@ +/* + * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> + * + * 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 "dsputil.h" + +#include "gcc_fixes.h" + +#include "dsputil_ppc.h" +#include "dsputil_altivec.h" +#include "util_altivec.h" +#include "types_altivec.h" + +#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s +#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s) + +#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC +#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec +#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num +#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec +#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num +#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec +#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num +#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec +#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num +#include "h264_template_altivec.c" +#undef OP_U8_ALTIVEC +#undef PREFIX_h264_chroma_mc8_altivec +#undef PREFIX_h264_chroma_mc8_num +#undef PREFIX_h264_qpel16_h_lowpass_altivec +#undef PREFIX_h264_qpel16_h_lowpass_num +#undef PREFIX_h264_qpel16_v_lowpass_altivec +#undef PREFIX_h264_qpel16_v_lowpass_num +#undef PREFIX_h264_qpel16_hv_lowpass_altivec +#undef PREFIX_h264_qpel16_hv_lowpass_num + +#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC +#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec +#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num +#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec +#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num +#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec +#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num +#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec +#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num +#include "h264_template_altivec.c" +#undef OP_U8_ALTIVEC +#undef PREFIX_h264_chroma_mc8_altivec +#undef PREFIX_h264_chroma_mc8_num +#undef PREFIX_h264_qpel16_h_lowpass_altivec +#undef PREFIX_h264_qpel16_h_lowpass_num +#undef PREFIX_h264_qpel16_v_lowpass_altivec +#undef PREFIX_h264_qpel16_v_lowpass_num +#undef PREFIX_h264_qpel16_hv_lowpass_altivec +#undef PREFIX_h264_qpel16_hv_lowpass_num + +#define H264_MC(OPNAME, SIZE, CODETYPE) \ +static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\ + OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \ + DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ + OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\ + put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ + put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\ + put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\ + put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ +}\ +\ +static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\ + DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\ + DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\ + put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\ + put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\ + OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\ +}\ + +/* this code assume that stride % 16 == 0 */ +void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) { + DECLARE_ALIGNED_16(signed int, ABCD[4]) = + {((8 - x) * (8 - y)), + ((x) * (8 - y)), + ((8 - x) * (y)), + ((x) * (y))}; + register int i; + vec_u8_t fperm; + const vec_s32_t vABCD = vec_ld(0, ABCD); + const vec_s16_t vA = vec_splat((vec_s16_t)vABCD, 1); + const vec_s16_t vB = vec_splat((vec_s16_t)vABCD, 3); + const vec_s16_t vC = vec_splat((vec_s16_t)vABCD, 5); + const vec_s16_t vD = vec_splat((vec_s16_t)vABCD, 7); + LOAD_ZERO; + const vec_s16_t v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4)); + const vec_u16_t v6us = vec_splat_u16(6); + register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1; + register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0; + + vec_u8_t vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1; + vec_u8_t vsrc0uc, vsrc1uc; + vec_s16_t vsrc0ssH, vsrc1ssH; + vec_u8_t vsrcCuc, vsrc2uc, vsrc3uc; + vec_s16_t vsrc2ssH, vsrc3ssH, psum; + vec_u8_t vdst, ppsum, fsum; + + if (((unsigned long)dst) % 16 == 0) { + fperm = (vec_u8_t)AVV(0x10, 0x11, 0x12, 0x13, + 0x14, 0x15, 0x16, 0x17, + 0x08, 0x09, 0x0A, 0x0B, + 0x0C, 0x0D, 0x0E, 0x0F); + } else { + fperm = (vec_u8_t)AVV(0x00, 0x01, 0x02, 0x03, + 0x04, 0x05, 0x06, 0x07, + 0x18, 0x19, 0x1A, 0x1B, + 0x1C, 0x1D, 0x1E, 0x1F); + } + + vsrcAuc = vec_ld(0, src); + + if (loadSecond) + vsrcBuc = vec_ld(16, src); + vsrcperm0 = vec_lvsl(0, src); + vsrcperm1 = vec_lvsl(1, src); + + vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0); + if (reallyBadAlign) + vsrc1uc = vsrcBuc; + else + vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1); + + vsrc0ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc0uc); + vsrc1ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc1uc); + + if (!loadSecond) {// -> !reallyBadAlign + for (i = 0 ; i < h ; i++) { + + + vsrcCuc = vec_ld(stride + 0, src); + + vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); + vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); + + vsrc2ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc2uc); + vsrc3ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc3uc); + + psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); + psum = vec_mladd(vB, vsrc1ssH, psum); + psum = vec_mladd(vC, vsrc2ssH, psum); + psum = vec_mladd(vD, vsrc3ssH, psum); + psum = vec_add(v28ss, psum); + psum = vec_sra(psum, v6us); + + vdst = vec_ld(0, dst); + ppsum = (vec_u8_t)vec_packsu(psum, psum); + fsum = vec_perm(vdst, ppsum, fperm); + + vec_st(fsum, 0, dst); + + vsrc0ssH = vsrc2ssH; + vsrc1ssH = vsrc3ssH; + + dst += stride; + src += stride; + } + } else { + vec_u8_t vsrcDuc; + for (i = 0 ; i < h ; i++) { + vsrcCuc = vec_ld(stride + 0, src); + vsrcDuc = vec_ld(stride + 16, src); + + vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); + if (reallyBadAlign) + vsrc3uc = vsrcDuc; + else + vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); + + vsrc2ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc2uc); + vsrc3ssH = (vec_s16_t)vec_mergeh(zero_u8v, (vec_u8_t)vsrc3uc); + + psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0)); + psum = vec_mladd(vB, vsrc1ssH, psum); + psum = vec_mladd(vC, vsrc2ssH, psum); + psum = vec_mladd(vD, vsrc3ssH, psum); + psum = vec_add(v28ss, psum); + psum = vec_sr(psum, v6us); + + vdst = vec_ld(0, dst); + ppsum = (vec_u8_t)vec_pack(psum, psum); + fsum = vec_perm(vdst, ppsum, fperm); + + vec_st(fsum, 0, dst); + + vsrc0ssH = vsrc2ssH; + vsrc1ssH = vsrc3ssH; + + dst += stride; + src += stride; + } + } +} + +static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, + const uint8_t * src2, int dst_stride, + int src_stride1, int h) +{ + int i; + vec_u8_t a, b, d, tmp1, tmp2, mask, mask_, edges, align; + + mask_ = vec_lvsl(0, src2); + + for (i = 0; i < h; i++) { + + tmp1 = vec_ld(i * src_stride1, src1); + mask = vec_lvsl(i * src_stride1, src1); + tmp2 = vec_ld(i * src_stride1 + 15, src1); + + a = vec_perm(tmp1, tmp2, mask); + + tmp1 = vec_ld(i * 16, src2); + tmp2 = vec_ld(i * 16 + 15, src2); + + b = vec_perm(tmp1, tmp2, mask_); + + tmp1 = vec_ld(0, dst); + mask = vec_lvsl(0, dst); + tmp2 = vec_ld(15, dst); + + d = vec_avg(a, b); + + edges = vec_perm(tmp2, tmp1, mask); + + align = vec_lvsr(0, dst); + + tmp2 = vec_perm(d, edges, align); + tmp1 = vec_perm(edges, d, align); + + vec_st(tmp2, 15, dst); + vec_st(tmp1, 0 , dst); + + dst += dst_stride; + } +} + +static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, + const uint8_t * src2, int dst_stride, + int src_stride1, int h) +{ + int i; + vec_u8_t a, b, d, tmp1, tmp2, mask, mask_, edges, align; + + mask_ = vec_lvsl(0, src2); + + for (i = 0; i < h; i++) { + + tmp1 = vec_ld(i * src_stride1, src1); + mask = vec_lvsl(i * src_stride1, src1); + tmp2 = vec_ld(i * src_stride1 + 15, src1); + + a = vec_perm(tmp1, tmp2, mask); + + tmp1 = vec_ld(i * 16, src2); + tmp2 = vec_ld(i * 16 + 15, src2); + + b = vec_perm(tmp1, tmp2, mask_); + + tmp1 = vec_ld(0, dst); + mask = vec_lvsl(0, dst); + tmp2 = vec_ld(15, dst); + + d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b)); + + edges = vec_perm(tmp2, tmp1, mask); + + align = vec_lvsr(0, dst); + + tmp2 = vec_perm(d, edges, align); + tmp1 = vec_perm(edges, d, align); + + vec_st(tmp2, 15, dst); + vec_st(tmp1, 0 , dst); + + dst += dst_stride; + } +} + +/* Implemented but could be faster +#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h) +#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h) + */ + + H264_MC(put_, 16, altivec) + H264_MC(avg_, 16, altivec) + + +/**************************************************************************** + * IDCT transform: + ****************************************************************************/ + +#define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \ + /* 1st stage */ \ + vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \ + vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \ + vz2 = vec_sra(vb1,vec_splat_u16(1)); \ + vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \ + vz3 = vec_sra(vb3,vec_splat_u16(1)); \ + vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \ + /* 2nd stage: output */ \ + va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \ + va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \ + va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \ + va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */ + +#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \ + b0 = vec_mergeh( a0, a0 ); \ + b1 = vec_mergeh( a1, a0 ); \ + b2 = vec_mergeh( a2, a0 ); \ + b3 = vec_mergeh( a3, a0 ); \ + a0 = vec_mergeh( b0, b2 ); \ + a1 = vec_mergel( b0, b2 ); \ + a2 = vec_mergeh( b1, b3 ); \ + a3 = vec_mergel( b1, b3 ); \ + b0 = vec_mergeh( a0, a2 ); \ + b1 = vec_mergel( a0, a2 ); \ + b2 = vec_mergeh( a1, a3 ); \ + b3 = vec_mergel( a1, a3 ) + +#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \ + vdst_orig = vec_ld(0, dst); \ + vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \ + vdst_ss = (vec_s16_t) vec_mergeh(zero_u8v, vdst); \ + va = vec_add(va, vdst_ss); \ + va_u8 = vec_packsu(va, zero_s16v); \ + va_u32 = vec_splat((vec_u32_t)va_u8, 0); \ + vec_ste(va_u32, element, (uint32_t*)dst); + +static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride) +{ + vec_s16_t va0, va1, va2, va3; + vec_s16_t vz0, vz1, vz2, vz3; + vec_s16_t vtmp0, vtmp1, vtmp2, vtmp3; + vec_u8_t va_u8; + vec_u32_t va_u32; + vec_s16_t vdst_ss; + const vec_u16_t v6us = vec_splat_u16(6); + vec_u8_t vdst, vdst_orig; + vec_u8_t vdst_mask = vec_lvsl(0, dst); + int element = ((unsigned long)dst & 0xf) >> 2; + LOAD_ZERO; + + block[0] += 32; /* add 32 as a DC-level for rounding */ + + vtmp0 = vec_ld(0,block); + vtmp1 = vec_sld(vtmp0, vtmp0, 8); + vtmp2 = vec_ld(16,block); + vtmp3 = vec_sld(vtmp2, vtmp2, 8); + + VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); + VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3); + VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); + + va0 = vec_sra(va0,v6us); + va1 = vec_sra(va1,v6us); + va2 = vec_sra(va2,v6us); + va3 = vec_sra(va3,v6us); + + VEC_LOAD_U8_ADD_S16_STORE_U8(va0); + dst += stride; + VEC_LOAD_U8_ADD_S16_STORE_U8(va1); + dst += stride; + VEC_LOAD_U8_ADD_S16_STORE_U8(va2); + dst += stride; + VEC_LOAD_U8_ADD_S16_STORE_U8(va3); +} + +#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\ + /* a0 = SRC(0) + SRC(4); */ \ + vec_s16_t a0v = vec_add(s0, s4); \ + /* a2 = SRC(0) - SRC(4); */ \ + vec_s16_t a2v = vec_sub(s0, s4); \ + /* a4 = (SRC(2)>>1) - SRC(6); */ \ + vec_s16_t a4v = vec_sub(vec_sra(s2, onev), s6); \ + /* a6 = (SRC(6)>>1) + SRC(2); */ \ + vec_s16_t a6v = vec_add(vec_sra(s6, onev), s2); \ + /* b0 = a0 + a6; */ \ + vec_s16_t b0v = vec_add(a0v, a6v); \ + /* b2 = a2 + a4; */ \ + vec_s16_t b2v = vec_add(a2v, a4v); \ + /* b4 = a2 - a4; */ \ + vec_s16_t b4v = vec_sub(a2v, a4v); \ + /* b6 = a0 - a6; */ \ + vec_s16_t b6v = vec_sub(a0v, a6v); \ + /* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \ + /* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \ + vec_s16_t a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \ + /* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \ + /* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \ + vec_s16_t a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\ + /* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \ + /* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \ + vec_s16_t a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\ + /* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \ + vec_s16_t a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\ + /* b1 = (a7>>2) + a1; */ \ + vec_s16_t b1v = vec_add( vec_sra(a7v, twov), a1v); \ + /* b3 = a3 + (a5>>2); */ \ + vec_s16_t b3v = vec_add(a3v, vec_sra(a5v, twov)); \ + /* b5 = (a3>>2) - a5; */ \ + vec_s16_t b5v = vec_sub( vec_sra(a3v, twov), a5v); \ + /* b7 = a7 - (a1>>2); */ \ + vec_s16_t b7v = vec_sub( a7v, vec_sra(a1v, twov)); \ + /* DST(0, b0 + b7); */ \ + d0 = vec_add(b0v, b7v); \ + /* DST(1, b2 + b5); */ \ + d1 = vec_add(b2v, b5v); \ + /* DST(2, b4 + b3); */ \ + d2 = vec_add(b4v, b3v); \ + /* DST(3, b6 + b1); */ \ + d3 = vec_add(b6v, b1v); \ + /* DST(4, b6 - b1); */ \ + d4 = vec_sub(b6v, b1v); \ + /* DST(5, b4 - b3); */ \ + d5 = vec_sub(b4v, b3v); \ + /* DST(6, b2 - b5); */ \ + d6 = vec_sub(b2v, b5v); \ + /* DST(7, b0 - b7); */ \ + d7 = vec_sub(b0v, b7v); \ +} + +#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \ + /* unaligned load */ \ + vec_u8_t hv = vec_ld( 0, dest ); \ + vec_u8_t lv = vec_ld( 7, dest ); \ + vec_u8_t dstv = vec_perm( hv, lv, (vec_u8_t)perm_ldv ); \ + vec_s16_t idct_sh6 = vec_sra(idctv, sixv); \ + vec_u16_t dst16 = (vec_u16_t)vec_mergeh(zero_u8v, dstv); \ + vec_s16_t idstsum = vec_adds(idct_sh6, (vec_s16_t)dst16); \ + vec_u8_t idstsum8 = vec_packsu(zero_s16v, idstsum); \ + vec_u8_t edgehv; \ + /* unaligned store */ \ + vec_u8_t bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\ + vec_u8_t edgelv = vec_perm( sel, zero_u8v, perm_stv ); \ + lv = vec_sel( lv, bodyv, edgelv ); \ + vec_st( lv, 7, dest ); \ + hv = vec_ld( 0, dest ); \ + edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ + hv = vec_sel( hv, bodyv, edgehv ); \ + vec_st( hv, 0, dest ); \ + } + +void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) { + vec_s16_t s0, s1, s2, s3, s4, s5, s6, s7; + vec_s16_t d0, d1, d2, d3, d4, d5, d6, d7; + vec_s16_t idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7; + + vec_u8_t perm_ldv = vec_lvsl(0, dst); + vec_u8_t perm_stv = vec_lvsr(8, dst); + + const vec_u16_t onev = vec_splat_u16(1); + const vec_u16_t twov = vec_splat_u16(2); + const vec_u16_t sixv = vec_splat_u16(6); + + const vec_u8_t sel = (vec_u8_t) AVV(0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1); + LOAD_ZERO; + + dct[0] += 32; // rounding for the >>6 at the end + + s0 = vec_ld(0x00, (int16_t*)dct); + s1 = vec_ld(0x10, (int16_t*)dct); + s2 = vec_ld(0x20, (int16_t*)dct); + s3 = vec_ld(0x30, (int16_t*)dct); + s4 = vec_ld(0x40, (int16_t*)dct); + s5 = vec_ld(0x50, (int16_t*)dct); + s6 = vec_ld(0x60, (int16_t*)dct); + s7 = vec_ld(0x70, (int16_t*)dct); + + IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, + d0, d1, d2, d3, d4, d5, d6, d7); + + TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 ); + + IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7, + idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7); + + ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel); + ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel); +} + +#define transpose4x16(r0, r1, r2, r3) { \ + register vec_u8_t r4; \ + register vec_u8_t r5; \ + register vec_u8_t r6; \ + register vec_u8_t r7; \ + \ + r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \ + r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \ + r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \ + r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \ + \ + r0 = vec_mergeh(r4, r6); /*all set 0*/ \ + r1 = vec_mergel(r4, r6); /*all set 1*/ \ + r2 = vec_mergeh(r5, r7); /*all set 2*/ \ + r3 = vec_mergel(r5, r7); /*all set 3*/ \ +} + +static inline void write16x4(uint8_t *dst, int dst_stride, + register vec_u8_t r0, register vec_u8_t r1, + register vec_u8_t r2, register vec_u8_t r3) { + DECLARE_ALIGNED_16(unsigned char, result[64]); + uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst; + int int_dst_stride = dst_stride/4; + + vec_st(r0, 0, result); + vec_st(r1, 16, result); + vec_st(r2, 32, result); + vec_st(r3, 48, result); + /* FIXME: there has to be a better way!!!! */ + *dst_int = *src_int; + *(dst_int+ int_dst_stride) = *(src_int + 1); + *(dst_int+ 2*int_dst_stride) = *(src_int + 2); + *(dst_int+ 3*int_dst_stride) = *(src_int + 3); + *(dst_int+ 4*int_dst_stride) = *(src_int + 4); + *(dst_int+ 5*int_dst_stride) = *(src_int + 5); + *(dst_int+ 6*int_dst_stride) = *(src_int + 6); + *(dst_int+ 7*int_dst_stride) = *(src_int + 7); + *(dst_int+ 8*int_dst_stride) = *(src_int + 8); + *(dst_int+ 9*int_dst_stride) = *(src_int + 9); + *(dst_int+10*int_dst_stride) = *(src_int + 10); + *(dst_int+11*int_dst_stride) = *(src_int + 11); + *(dst_int+12*int_dst_stride) = *(src_int + 12); + *(dst_int+13*int_dst_stride) = *(src_int + 13); + *(dst_int+14*int_dst_stride) = *(src_int + 14); + *(dst_int+15*int_dst_stride) = *(src_int + 15); +} + +/** \brief performs a 6x16 transpose of data in src, and stores it to dst + \todo FIXME: see if we can't spare some vec_lvsl() by them factorizing + out of unaligned_load() */ +#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\ + register vec_u8_t r0 = unaligned_load(0, src); \ + register vec_u8_t r1 = unaligned_load( src_stride, src); \ + register vec_u8_t r2 = unaligned_load(2* src_stride, src); \ + register vec_u8_t r3 = unaligned_load(3* src_stride, src); \ + register vec_u8_t r4 = unaligned_load(4* src_stride, src); \ + register vec_u8_t r5 = unaligned_load(5* src_stride, src); \ + register vec_u8_t r6 = unaligned_load(6* src_stride, src); \ + register vec_u8_t r7 = unaligned_load(7* src_stride, src); \ + register vec_u8_t r14 = unaligned_load(14*src_stride, src); \ + register vec_u8_t r15 = unaligned_load(15*src_stride, src); \ + \ + r8 = unaligned_load( 8*src_stride, src); \ + r9 = unaligned_load( 9*src_stride, src); \ + r10 = unaligned_load(10*src_stride, src); \ + r11 = unaligned_load(11*src_stride, src); \ + r12 = unaligned_load(12*src_stride, src); \ + r13 = unaligned_load(13*src_stride, src); \ + \ + /*Merge first pairs*/ \ + r0 = vec_mergeh(r0, r8); /*0, 8*/ \ + r1 = vec_mergeh(r1, r9); /*1, 9*/ \ + r2 = vec_mergeh(r2, r10); /*2,10*/ \ + r3 = vec_mergeh(r3, r11); /*3,11*/ \ + r4 = vec_mergeh(r4, r12); /*4,12*/ \ + r5 = vec_mergeh(r5, r13); /*5,13*/ \ + r6 = vec_mergeh(r6, r14); /*6,14*/ \ + r7 = vec_mergeh(r7, r15); /*7,15*/ \ + \ + /*Merge second pairs*/ \ + r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \ + r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \ + r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \ + r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \ + r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \ + r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \ + r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \ + r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \ + \ + /*Third merge*/ \ + r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \ + r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \ + r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \ + r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \ + r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \ + r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \ + /* Don't need to compute 3 and 7*/ \ + \ + /*Final merge*/ \ + r8 = vec_mergeh(r0, r4); /*all set 0*/ \ + r9 = vec_mergel(r0, r4); /*all set 1*/ \ + r10 = vec_mergeh(r1, r5); /*all set 2*/ \ + r11 = vec_mergel(r1, r5); /*all set 3*/ \ + r12 = vec_mergeh(r2, r6); /*all set 4*/ \ + r13 = vec_mergel(r2, r6); /*all set 5*/ \ + /* Don't need to compute 14 and 15*/ \ + \ +} + +// out: o = |x-y| < a +static inline vec_u8_t diff_lt_altivec ( register vec_u8_t x, + register vec_u8_t y, + register vec_u8_t a) { + + register vec_u8_t diff = vec_subs(x, y); + register vec_u8_t diffneg = vec_subs(y, x); + register vec_u8_t o = vec_or(diff, diffneg); /* |x-y| */ + o = (vec_u8_t)vec_cmplt(o, a); + return o; +} + +static inline vec_u8_t h264_deblock_mask ( register vec_u8_t p0, + register vec_u8_t p1, + register vec_u8_t q0, + register vec_u8_t q1, + register vec_u8_t alpha, + register vec_u8_t beta) { + + register vec_u8_t mask; + register vec_u8_t tempmask; + + mask = diff_lt_altivec(p0, q0, alpha); + tempmask = diff_lt_altivec(p1, p0, beta); + mask = vec_and(mask, tempmask); + tempmask = diff_lt_altivec(q1, q0, beta); + mask = vec_and(mask, tempmask); + + return mask; +} + +// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0) +static inline vec_u8_t h264_deblock_q1(register vec_u8_t p0, + register vec_u8_t p1, + register vec_u8_t p2, + register vec_u8_t q0, + register vec_u8_t tc0) { + + register vec_u8_t average = vec_avg(p0, q0); + register vec_u8_t temp; + register vec_u8_t uncliped; + register vec_u8_t ones; + register vec_u8_t max; + register vec_u8_t min; + register vec_u8_t newp1; + + temp = vec_xor(average, p2); + average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */ + ones = vec_splat_u8(1); + temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */ + uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */ + max = vec_adds(p1, tc0); + min = vec_subs(p1, tc0); + newp1 = vec_max(min, uncliped); + newp1 = vec_min(max, newp1); + return newp1; +} + +#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \ + \ + const vec_u8_t A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \ + \ + register vec_u8_t pq0bit = vec_xor(p0,q0); \ + register vec_u8_t q1minus; \ + register vec_u8_t p0minus; \ + register vec_u8_t stage1; \ + register vec_u8_t stage2; \ + register vec_u8_t vec160; \ + register vec_u8_t delta; \ + register vec_u8_t deltaneg; \ + \ + q1minus = vec_nor(q1, q1); /* 255 - q1 */ \ + stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \ + stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \ + p0minus = vec_nor(p0, p0); /* 255 - p0 */ \ + stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \ + pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \ + stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \ + stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \ + vec160 = vec_ld(0, &A0v); \ + deltaneg = vec_subs(vec160, stage2); /* -d */ \ + delta = vec_subs(stage2, vec160); /* d */ \ + deltaneg = vec_min(tc0masked, deltaneg); \ + delta = vec_min(tc0masked, delta); \ + p0 = vec_subs(p0, deltaneg); \ + q0 = vec_subs(q0, delta); \ + p0 = vec_adds(p0, delta); \ + q0 = vec_adds(q0, deltaneg); \ +} + +#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \ + DECLARE_ALIGNED_16(unsigned char, temp[16]); \ + register vec_u8_t alphavec; \ + register vec_u8_t betavec; \ + register vec_u8_t mask; \ + register vec_u8_t p1mask; \ + register vec_u8_t q1mask; \ + register vector signed char tc0vec; \ + register vec_u8_t finaltc0; \ + register vec_u8_t tc0masked; \ + register vec_u8_t newp1; \ + register vec_u8_t newq1; \ + \ + temp[0] = alpha; \ + temp[1] = beta; \ + alphavec = vec_ld(0, temp); \ + betavec = vec_splat(alphavec, 0x1); \ + alphavec = vec_splat(alphavec, 0x0); \ + mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \ + \ + *((int *)temp) = *((int *)tc0); \ + tc0vec = vec_ld(0, (signed char*)temp); \ + tc0vec = vec_mergeh(tc0vec, tc0vec); \ + tc0vec = vec_mergeh(tc0vec, tc0vec); \ + mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \ + finaltc0 = vec_and((vec_u8_t)tc0vec, mask); /* tc = tc0 */ \ + \ + p1mask = diff_lt_altivec(p2, p0, betavec); \ + p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \ + tc0masked = vec_and(p1mask, (vec_u8_t)tc0vec); \ + finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \ + newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \ + /*end if*/ \ + \ + q1mask = diff_lt_altivec(q2, q0, betavec); \ + q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\ + tc0masked = vec_and(q1mask, (vec_u8_t)tc0vec); \ + finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \ + newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \ + /*end if*/ \ + \ + h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \ + p1 = newp1; \ + q1 = newq1; \ +} + +static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { + + if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) { + register vec_u8_t p2 = vec_ld(-3*stride, pix); + register vec_u8_t p1 = vec_ld(-2*stride, pix); + register vec_u8_t p0 = vec_ld(-1*stride, pix); + register vec_u8_t q0 = vec_ld(0, pix); + register vec_u8_t q1 = vec_ld(stride, pix); + register vec_u8_t q2 = vec_ld(2*stride, pix); + h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0); + vec_st(p1, -2*stride, pix); + vec_st(p0, -1*stride, pix); + vec_st(q0, 0, pix); + vec_st(q1, stride, pix); + } +} + +static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { + + register vec_u8_t line0, line1, line2, line3, line4, line5; + if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0) + return; + readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5); + h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0); + transpose4x16(line1, line2, line3, line4); + write16x4(pix-2, stride, line1, line2, line3, line4); +} + +void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) { + + if (has_altivec()) { + c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec; + c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec; + c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec; + c->h264_idct_add = ff_h264_idct_add_altivec; + c->h264_idct8_add = ff_h264_idct8_add_altivec; + c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec; + c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec; + +#define dspfunc(PFX, IDX, NUM) \ + c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \ + c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \ + c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \ + c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \ + c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \ + c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \ + c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \ + c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \ + c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \ + c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \ + c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \ + c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \ + c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \ + c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \ + c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \ + c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec + + dspfunc(put_h264_qpel, 0, 16); + dspfunc(avg_h264_qpel, 0, 16); +#undef dspfunc + } +} |