diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/ppc/vc1dsp_altivec.c')
-rw-r--r-- | src/libffmpeg/libavcodec/ppc/vc1dsp_altivec.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/src/libffmpeg/libavcodec/ppc/vc1dsp_altivec.c b/src/libffmpeg/libavcodec/ppc/vc1dsp_altivec.c deleted file mode 100644 index 114c9d41f..000000000 --- a/src/libffmpeg/libavcodec/ppc/vc1dsp_altivec.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * VC-1 and WMV3 decoder - DSP functions AltiVec-optimized - * Copyright (c) 2006 Konstantin Shishkov - * - * 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" - -// main steps of 8x8 transform -#define STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_rnd) \ -do { \ - t0 = vec_sl(vec_add(s0, s4), vec_2); \ - t0 = vec_add(vec_sl(t0, vec_1), t0); \ - t0 = vec_add(t0, vec_rnd); \ - t1 = vec_sl(vec_sub(s0, s4), vec_2); \ - t1 = vec_add(vec_sl(t1, vec_1), t1); \ - t1 = vec_add(t1, vec_rnd); \ - t2 = vec_add(vec_sl(s6, vec_2), vec_sl(s6, vec_1)); \ - t2 = vec_add(t2, vec_sl(s2, vec_4)); \ - t3 = vec_add(vec_sl(s2, vec_2), vec_sl(s2, vec_1)); \ - t3 = vec_sub(t3, vec_sl(s6, vec_4)); \ - t4 = vec_add(t0, t2); \ - t5 = vec_add(t1, t3); \ - t6 = vec_sub(t1, t3); \ - t7 = vec_sub(t0, t2); \ -\ - t0 = vec_sl(vec_add(s1, s3), vec_4); \ - t0 = vec_add(t0, vec_sl(s5, vec_3)); \ - t0 = vec_add(t0, vec_sl(s7, vec_2)); \ - t0 = vec_add(t0, vec_sub(s5, s3)); \ -\ - t1 = vec_sl(vec_sub(s1, s5), vec_4); \ - t1 = vec_sub(t1, vec_sl(s7, vec_3)); \ - t1 = vec_sub(t1, vec_sl(s3, vec_2)); \ - t1 = vec_sub(t1, vec_add(s1, s7)); \ -\ - t2 = vec_sl(vec_sub(s7, s3), vec_4); \ - t2 = vec_add(t2, vec_sl(s1, vec_3)); \ - t2 = vec_add(t2, vec_sl(s5, vec_2)); \ - t2 = vec_add(t2, vec_sub(s1, s7)); \ -\ - t3 = vec_sl(vec_sub(s5, s7), vec_4); \ - t3 = vec_sub(t3, vec_sl(s3, vec_3)); \ - t3 = vec_add(t3, vec_sl(s1, vec_2)); \ - t3 = vec_sub(t3, vec_add(s3, s5)); \ -\ - s0 = vec_add(t4, t0); \ - s1 = vec_add(t5, t1); \ - s2 = vec_add(t6, t2); \ - s3 = vec_add(t7, t3); \ - s4 = vec_sub(t7, t3); \ - s5 = vec_sub(t6, t2); \ - s6 = vec_sub(t5, t1); \ - s7 = vec_sub(t4, t0); \ -}while(0) - -#define SHIFT_HOR8(s0, s1, s2, s3, s4, s5, s6, s7) \ -do { \ - s0 = vec_sra(s0, vec_3); \ - s1 = vec_sra(s1, vec_3); \ - s2 = vec_sra(s2, vec_3); \ - s3 = vec_sra(s3, vec_3); \ - s4 = vec_sra(s4, vec_3); \ - s5 = vec_sra(s5, vec_3); \ - s6 = vec_sra(s6, vec_3); \ - s7 = vec_sra(s7, vec_3); \ -}while(0) - -#define SHIFT_VERT8(s0, s1, s2, s3, s4, s5, s6, s7) \ -do { \ - s0 = vec_sra(s0, vec_7); \ - s1 = vec_sra(s1, vec_7); \ - s2 = vec_sra(s2, vec_7); \ - s3 = vec_sra(s3, vec_7); \ - s4 = vec_sra(vec_add(s4, vec_1s), vec_7); \ - s5 = vec_sra(vec_add(s5, vec_1s), vec_7); \ - s6 = vec_sra(vec_add(s6, vec_1s), vec_7); \ - s7 = vec_sra(vec_add(s7, vec_1s), vec_7); \ -}while(0) - -/* main steps of 4x4 transform */ -#define STEP4(s0, s1, s2, s3, vec_rnd) \ -do { \ - t1 = vec_add(vec_sl(s0, vec_4), s0); \ - t1 = vec_add(t1, vec_rnd); \ - t2 = vec_add(vec_sl(s2, vec_4), s2); \ - t0 = vec_add(t1, t2); \ - t1 = vec_sub(t1, t2); \ - t3 = vec_sl(vec_sub(s3, s1), vec_1); \ - t3 = vec_add(t3, vec_sl(t3, vec_2)); \ - t2 = vec_add(t3, vec_sl(s1, vec_5)); \ - t3 = vec_add(t3, vec_sl(s3, vec_3)); \ - t3 = vec_add(t3, vec_sl(s3, vec_2)); \ - s0 = vec_add(t0, t2); \ - s1 = vec_sub(t1, t3); \ - s2 = vec_add(t1, t3); \ - s3 = vec_sub(t0, t2); \ -}while (0) - -#define SHIFT_HOR4(s0, s1, s2, s3) \ - s0 = vec_sra(s0, vec_3); \ - s1 = vec_sra(s1, vec_3); \ - s2 = vec_sra(s2, vec_3); \ - s3 = vec_sra(s3, vec_3); - -#define SHIFT_VERT4(s0, s1, s2, s3) \ - s0 = vec_sra(s0, vec_7); \ - s1 = vec_sra(s1, vec_7); \ - s2 = vec_sra(s2, vec_7); \ - s3 = vec_sra(s3, vec_7); - -/** Do inverse transform on 8x8 block -*/ -static void vc1_inv_trans_8x8_altivec(DCTELEM block[64]) -{ - vector signed short src0, src1, src2, src3, src4, src5, src6, src7; - vector signed int s0, s1, s2, s3, s4, s5, s6, s7; - vector signed int s8, s9, sA, sB, sC, sD, sE, sF; - vector signed int t0, t1, t2, t3, t4, t5, t6, t7; - const vector signed int vec_64 = vec_sl(vec_splat_s32(4), vec_splat_u32(4)); - const vector unsigned int vec_7 = vec_splat_u32(7); - const vector unsigned int vec_5 = vec_splat_u32(5); - const vector unsigned int vec_4 = vec_splat_u32(4); - const vector signed int vec_4s = vec_splat_s32(4); - const vector unsigned int vec_3 = vec_splat_u32(3); - const vector unsigned int vec_2 = vec_splat_u32(2); - const vector signed int vec_1s = vec_splat_s32(1); - const vector unsigned int vec_1 = vec_splat_u32(1); - - - src0 = vec_ld( 0, block); - src1 = vec_ld( 16, block); - src2 = vec_ld( 32, block); - src3 = vec_ld( 48, block); - src4 = vec_ld( 64, block); - src5 = vec_ld( 80, block); - src6 = vec_ld( 96, block); - src7 = vec_ld(112, block); - - TRANSPOSE8(src0, src1, src2, src3, src4, src5, src6, src7); - s0 = vec_unpackl(src0); - s1 = vec_unpackl(src1); - s2 = vec_unpackl(src2); - s3 = vec_unpackl(src3); - s4 = vec_unpackl(src4); - s5 = vec_unpackl(src5); - s6 = vec_unpackl(src6); - s7 = vec_unpackl(src7); - s8 = vec_unpackh(src0); - s9 = vec_unpackh(src1); - sA = vec_unpackh(src2); - sB = vec_unpackh(src3); - sC = vec_unpackh(src4); - sD = vec_unpackh(src5); - sE = vec_unpackh(src6); - sF = vec_unpackh(src7); - STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_4s); - SHIFT_HOR8(s0, s1, s2, s3, s4, s5, s6, s7); - STEP8(s8, s9, sA, sB, sC, sD, sE, sF, vec_4s); - SHIFT_HOR8(s8, s9, sA, sB, sC, sD, sE, sF); - src0 = vec_pack(s8, s0); - src1 = vec_pack(s9, s1); - src2 = vec_pack(sA, s2); - src3 = vec_pack(sB, s3); - src4 = vec_pack(sC, s4); - src5 = vec_pack(sD, s5); - src6 = vec_pack(sE, s6); - src7 = vec_pack(sF, s7); - TRANSPOSE8(src0, src1, src2, src3, src4, src5, src6, src7); - - s0 = vec_unpackl(src0); - s1 = vec_unpackl(src1); - s2 = vec_unpackl(src2); - s3 = vec_unpackl(src3); - s4 = vec_unpackl(src4); - s5 = vec_unpackl(src5); - s6 = vec_unpackl(src6); - s7 = vec_unpackl(src7); - s8 = vec_unpackh(src0); - s9 = vec_unpackh(src1); - sA = vec_unpackh(src2); - sB = vec_unpackh(src3); - sC = vec_unpackh(src4); - sD = vec_unpackh(src5); - sE = vec_unpackh(src6); - sF = vec_unpackh(src7); - STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_64); - SHIFT_VERT8(s0, s1, s2, s3, s4, s5, s6, s7); - STEP8(s8, s9, sA, sB, sC, sD, sE, sF, vec_64); - SHIFT_VERT8(s8, s9, sA, sB, sC, sD, sE, sF); - src0 = vec_pack(s8, s0); - src1 = vec_pack(s9, s1); - src2 = vec_pack(sA, s2); - src3 = vec_pack(sB, s3); - src4 = vec_pack(sC, s4); - src5 = vec_pack(sD, s5); - src6 = vec_pack(sE, s6); - src7 = vec_pack(sF, s7); - - vec_st(src0, 0, block); - vec_st(src1, 16, block); - vec_st(src2, 32, block); - vec_st(src3, 48, block); - vec_st(src4, 64, block); - vec_st(src5, 80, block); - vec_st(src6, 96, block); - vec_st(src7,112, block); -} - -/** Do inverse transform on 8x4 part of block -*/ -static void vc1_inv_trans_8x4_altivec(DCTELEM block[64], int n) -{ - vector signed short src0, src1, src2, src3, src4, src5, src6, src7; - vector signed int s0, s1, s2, s3, s4, s5, s6, s7; - vector signed int s8, s9, sA, sB, sC, sD, sE, sF; - vector signed int t0, t1, t2, t3, t4, t5, t6, t7; - const vector signed int vec_64 = vec_sl(vec_splat_s32(4), vec_splat_u32(4)); - const vector unsigned int vec_7 = vec_splat_u32(7); - const vector unsigned int vec_5 = vec_splat_u32(5); - const vector unsigned int vec_4 = vec_splat_u32(4); - const vector signed int vec_4s = vec_splat_s32(4); - const vector unsigned int vec_3 = vec_splat_u32(3); - const vector unsigned int vec_2 = vec_splat_u32(2); - const vector unsigned int vec_1 = vec_splat_u32(1); - - src0 = vec_ld( 0, block); - src1 = vec_ld( 16, block); - src2 = vec_ld( 32, block); - src3 = vec_ld( 48, block); - src4 = vec_ld( 64, block); - src5 = vec_ld( 80, block); - src6 = vec_ld( 96, block); - src7 = vec_ld(112, block); - - TRANSPOSE8(src0, src1, src2, src3, src4, src5, src6, src7); - s0 = vec_unpackl(src0); - s1 = vec_unpackl(src1); - s2 = vec_unpackl(src2); - s3 = vec_unpackl(src3); - s4 = vec_unpackl(src4); - s5 = vec_unpackl(src5); - s6 = vec_unpackl(src6); - s7 = vec_unpackl(src7); - s8 = vec_unpackh(src0); - s9 = vec_unpackh(src1); - sA = vec_unpackh(src2); - sB = vec_unpackh(src3); - sC = vec_unpackh(src4); - sD = vec_unpackh(src5); - sE = vec_unpackh(src6); - sF = vec_unpackh(src7); - STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_4s); - SHIFT_HOR8(s0, s1, s2, s3, s4, s5, s6, s7); - STEP8(s8, s9, sA, sB, sC, sD, sE, sF, vec_4s); - SHIFT_HOR8(s8, s9, sA, sB, sC, sD, sE, sF); - src0 = vec_pack(s8, s0); - src1 = vec_pack(s9, s1); - src2 = vec_pack(sA, s2); - src3 = vec_pack(sB, s3); - src4 = vec_pack(sC, s4); - src5 = vec_pack(sD, s5); - src6 = vec_pack(sE, s6); - src7 = vec_pack(sF, s7); - TRANSPOSE8(src0, src1, src2, src3, src4, src5, src6, src7); - - if(!n){ // upper half of block - s0 = vec_unpackh(src0); - s1 = vec_unpackh(src1); - s2 = vec_unpackh(src2); - s3 = vec_unpackh(src3); - s8 = vec_unpackl(src0); - s9 = vec_unpackl(src1); - sA = vec_unpackl(src2); - sB = vec_unpackl(src3); - STEP4(s0, s1, s2, s3, vec_64); - SHIFT_VERT4(s0, s1, s2, s3); - STEP4(s8, s9, sA, sB, vec_64); - SHIFT_VERT4(s8, s9, sA, sB); - src0 = vec_pack(s0, s8); - src1 = vec_pack(s1, s9); - src2 = vec_pack(s2, sA); - src3 = vec_pack(s3, sB); - - vec_st(src0, 0, block); - vec_st(src1, 16, block); - vec_st(src2, 32, block); - vec_st(src3, 48, block); - } else { //lower half of block - s0 = vec_unpackh(src4); - s1 = vec_unpackh(src5); - s2 = vec_unpackh(src6); - s3 = vec_unpackh(src7); - s8 = vec_unpackl(src4); - s9 = vec_unpackl(src5); - sA = vec_unpackl(src6); - sB = vec_unpackl(src7); - STEP4(s0, s1, s2, s3, vec_64); - SHIFT_VERT4(s0, s1, s2, s3); - STEP4(s8, s9, sA, sB, vec_64); - SHIFT_VERT4(s8, s9, sA, sB); - src4 = vec_pack(s0, s8); - src5 = vec_pack(s1, s9); - src6 = vec_pack(s2, sA); - src7 = vec_pack(s3, sB); - - vec_st(src4, 64, block); - vec_st(src5, 80, block); - vec_st(src6, 96, block); - vec_st(src7,112, block); - } -} - - -void vc1dsp_init_altivec(DSPContext* dsp, AVCodecContext *avctx) { - dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_altivec; - dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_altivec; -} |