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Diffstat (limited to 'contrib/ffmpeg/libavcodec/ppc/vc1dsp_altivec.c')
-rw-r--r--contrib/ffmpeg/libavcodec/ppc/vc1dsp_altivec.c338
1 files changed, 0 insertions, 338 deletions
diff --git a/contrib/ffmpeg/libavcodec/ppc/vc1dsp_altivec.c b/contrib/ffmpeg/libavcodec/ppc/vc1dsp_altivec.c
deleted file mode 100644
index 114c9d41f..000000000
--- a/contrib/ffmpeg/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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 09:15:42 +0000