diff options
Diffstat (limited to 'ffmpeg1/libavutil/ppc/float_dsp_altivec.c')
| -rw-r--r-- | ffmpeg1/libavutil/ppc/float_dsp_altivec.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/ffmpeg1/libavutil/ppc/float_dsp_altivec.c b/ffmpeg1/libavutil/ppc/float_dsp_altivec.c deleted file mode 100644 index 8cee82c..0000000 --- a/ffmpeg1/libavutil/ppc/float_dsp_altivec.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.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 "util_altivec.h" -#include "float_dsp_altivec.h" - -void ff_vector_fmul_altivec(float *dst, const float *src0, const float *src1, - int len) -{ - int i; - vector float d0, d1, s, zero = (vector float)vec_splat_u32(0); - for (i = 0; i < len - 7; i += 8) { - d0 = vec_ld( 0, src0 + i); - s = vec_ld( 0, src1 + i); - d1 = vec_ld(16, src0 + i); - d0 = vec_madd(d0, s, zero); - d1 = vec_madd(d1, vec_ld(16, src1 + i), zero); - vec_st(d0, 0, dst + i); - vec_st(d1, 16, dst + i); - } -} - -void ff_vector_fmul_window_altivec(float *dst, const float *src0, - const float *src1, const float *win, int len) -{ - vector float zero, t0, t1, s0, s1, wi, wj; - const vector unsigned char reverse = vcprm(3, 2, 1, 0); - int i, j; - - dst += len; - win += len; - src0 += len; - - zero = (vector float)vec_splat_u32(0); - - for (i = -len * 4, j = len * 4 - 16; i < 0; i += 16, j -= 16) { - s0 = vec_ld(i, src0); - s1 = vec_ld(j, src1); - wi = vec_ld(i, win); - wj = vec_ld(j, win); - - s1 = vec_perm(s1, s1, reverse); - wj = vec_perm(wj, wj, reverse); - - t0 = vec_madd(s0, wj, zero); - t0 = vec_nmsub(s1, wi, t0); - t1 = vec_madd(s0, wi, zero); - t1 = vec_madd(s1, wj, t1); - t1 = vec_perm(t1, t1, reverse); - - vec_st(t0, i, dst); - vec_st(t1, j, dst); - } -} - -void ff_vector_fmul_add_altivec(float *dst, const float *src0, - const float *src1, const float *src2, - int len) -{ - int i; - vector float d, s0, s1, s2, t0, t1, edges; - vector unsigned char align = vec_lvsr(0,dst), - mask = vec_lvsl(0, dst); - - for (i = 0; i < len - 3; i += 4) { - t0 = vec_ld(0, dst + i); - t1 = vec_ld(15, dst + i); - s0 = vec_ld(0, src0 + i); - s1 = vec_ld(0, src1 + i); - s2 = vec_ld(0, src2 + i); - edges = vec_perm(t1, t0, mask); - d = vec_madd(s0, s1, s2); - t1 = vec_perm(d, edges, align); - t0 = vec_perm(edges, d, align); - vec_st(t1, 15, dst + i); - vec_st(t0, 0, dst + i); - } -} - -void ff_vector_fmul_reverse_altivec(float *dst, const float *src0, - const float *src1, int len) -{ - int i; - vector float d, s0, s1, h0, l0, - s2, s3, zero = (vector float) vec_splat_u32(0); - - src1 += len-4; - for(i = 0; i < len - 7; i += 8) { - s1 = vec_ld(0, src1 - i); // [a,b,c,d] - s0 = vec_ld(0, src0 + i); - l0 = vec_mergel(s1, s1); // [c,c,d,d] - s3 = vec_ld(-16, src1 - i); - h0 = vec_mergeh(s1, s1); // [a,a,b,b] - s2 = vec_ld(16, src0 + i); - s1 = vec_mergeh(vec_mergel(l0, h0), // [d,b,d,b] - vec_mergeh(l0, h0)); // [c,a,c,a] - // [d,c,b,a] - l0 = vec_mergel(s3, s3); - d = vec_madd(s0, s1, zero); - h0 = vec_mergeh(s3, s3); - vec_st(d, 0, dst + i); - s3 = vec_mergeh(vec_mergel(l0, h0), - vec_mergeh(l0, h0)); - d = vec_madd(s2, s3, zero); - vec_st(d, 16, dst + i); - } -} |