diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/ppc/float_altivec.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/ppc/float_altivec.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/contrib/ffmpeg/libavcodec/ppc/float_altivec.c b/contrib/ffmpeg/libavcodec/ppc/float_altivec.c deleted file mode 100644 index 22c2de61a..000000000 --- a/contrib/ffmpeg/libavcodec/ppc/float_altivec.c +++ /dev/null @@ -1,193 +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 "../dsputil.h" - -#include "gcc_fixes.h" - -#include "dsputil_altivec.h" - -static void vector_fmul_altivec(float *dst, const float *src, 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, dst+i); - s = vec_ld(0, src+i); - d1 = vec_ld(16, dst+i); - d0 = vec_madd(d0, s, zero); - d1 = vec_madd(d1, vec_ld(16,src+i), zero); - vec_st(d0, 0, dst+i); - vec_st(d1, 16, dst+i); - } -} - -static void 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); - } -} - -static void vector_fmul_add_add_altivec(float *dst, const float *src0, - const float *src1, const float *src2, - int src3, int len, int step) -{ - int i; - vector float d, s0, s1, s2, t0, t1, edges; - vector unsigned char align = vec_lvsr(0,dst), - mask = vec_lvsl(0, dst); - -#if 0 //FIXME: there is still something wrong - if (step == 2) { - int y; - vector float d0, d1, s3, t2; - vector unsigned int sel = - vec_mergeh(vec_splat_u32(-1), vec_splat_u32(0)); - t1 = vec_ld(16, dst); - for (i=0,y=0; i<len-3; i+=4,y+=8) { - - s0 = vec_ld(0,src0+i); - s1 = vec_ld(0,src1+i); - s2 = vec_ld(0,src2+i); - -// t0 = vec_ld(0, dst+y); //[x x x|a] -// t1 = vec_ld(16, dst+y); //[b c d|e] - t2 = vec_ld(31, dst+y); //[f g h|x] - - d = vec_madd(s0,s1,s2); // [A B C D] - - // [A A B B] - - // [C C D D] - - d0 = vec_perm(t0, t1, mask); // [a b c d] - - d0 = vec_sel(vec_mergeh(d, d), d0, sel); // [A b B d] - - edges = vec_perm(t1, t0, mask); - - t0 = vec_perm(edges, d0, align); // [x x x|A] - - t1 = vec_perm(d0, edges, align); // [b B d|e] - - vec_stl(t0, 0, dst+y); - - d1 = vec_perm(t1, t2, mask); // [e f g h] - - d1 = vec_sel(vec_mergel(d, d), d1, sel); // [C f D h] - - edges = vec_perm(t2, t1, mask); - - t1 = vec_perm(edges, d1, align); // [b B d|C] - - t2 = vec_perm(d1, edges, align); // [f D h|x] - - vec_stl(t1, 16, dst+y); - - t0 = t1; - - vec_stl(t2, 31, dst+y); - - t1 = t2; - } - } else - #endif - if (step == 1 && src3 == 0) - 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); - } - else - ff_vector_fmul_add_add_c(dst, src0, src1, src2, src3, len, step); -} - -void float_to_int16_altivec(int16_t *dst, const float *src, int len) -{ - int i; - vector float s0, s1; - vector signed int t0, t1; - vector signed short d0, d1, d; - vector unsigned char align; - if(((long)dst)&15) //FIXME - for(i=0; i<len-7; i+=8) { - s0 = vec_ld(0, src+i); - s1 = vec_ld(16, src+i); - t0 = vec_cts(s0, 0); - d0 = vec_ld(0, dst+i); - t1 = vec_cts(s1, 0); - d1 = vec_ld(15, dst+i); - d = vec_packs(t0,t1); - d1 = vec_perm(d1, d0, vec_lvsl(0,dst+i)); - align = vec_lvsr(0, dst+i); - d0 = vec_perm(d1, d, align); - d1 = vec_perm(d, d1, align); - vec_st(d0, 0, dst+i); - vec_st(d1,15, dst+i); - } - else - for(i=0; i<len-7; i+=8) { - s0 = vec_ld(0, src+i); - s1 = vec_ld(16, src+i); - t0 = vec_cts(s0, 0); - t1 = vec_cts(s1, 0); - d = vec_packs(t0,t1); - vec_st(d, 0, dst+i); - } -} - -void float_init_altivec(DSPContext* c, AVCodecContext *avctx) -{ - c->vector_fmul = vector_fmul_altivec; - c->vector_fmul_reverse = vector_fmul_reverse_altivec; - c->vector_fmul_add_add = vector_fmul_add_add_altivec; - if(!(avctx->flags & CODEC_FLAG_BITEXACT)) - c->float_to_int16 = float_to_int16_altivec; -} |