566 lines
24 KiB
C
566 lines
24 KiB
C
/*
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* Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "../dsputil.h"
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#include "gcc_fixes.h"
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#include "dsputil_altivec.h"
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#include "types_altivec.h"
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#define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
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#define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
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#define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
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#define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec
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#define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num
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#define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
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#define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
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#define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
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#define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
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#define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
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#define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
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#include "h264_template_altivec.c"
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#undef OP_U8_ALTIVEC
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#undef PREFIX_h264_chroma_mc8_altivec
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#undef PREFIX_h264_chroma_mc8_num
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#undef PREFIX_h264_qpel16_h_lowpass_altivec
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#undef PREFIX_h264_qpel16_h_lowpass_num
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#undef PREFIX_h264_qpel16_v_lowpass_altivec
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#undef PREFIX_h264_qpel16_v_lowpass_num
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#undef PREFIX_h264_qpel16_hv_lowpass_altivec
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#undef PREFIX_h264_qpel16_hv_lowpass_num
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#define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
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#define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec
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#define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num
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#define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
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#define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
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#define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
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#define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
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#define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
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#define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
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#include "h264_template_altivec.c"
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#undef OP_U8_ALTIVEC
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#undef PREFIX_h264_chroma_mc8_altivec
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#undef PREFIX_h264_chroma_mc8_num
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#undef PREFIX_h264_qpel16_h_lowpass_altivec
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#undef PREFIX_h264_qpel16_h_lowpass_num
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#undef PREFIX_h264_qpel16_v_lowpass_altivec
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#undef PREFIX_h264_qpel16_v_lowpass_num
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#undef PREFIX_h264_qpel16_hv_lowpass_altivec
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#undef PREFIX_h264_qpel16_hv_lowpass_num
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#define H264_MC(OPNAME, SIZE, CODETYPE) \
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static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){ \
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DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, half[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
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put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfH[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
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put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
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put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
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}\
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\
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static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, int stride){\
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DECLARE_ALIGNED_16(uint8_t, halfV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(uint8_t, halfHV[SIZE*SIZE]);\
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DECLARE_ALIGNED_16(int16_t, tmp[SIZE*(SIZE+8)]);\
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put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
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put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
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OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
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}\
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/* this code assume that stride % 16 == 0 */
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void put_no_rnd_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) {
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signed int ABCD[4] __attribute__((aligned(16))) =
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{((8 - x) * (8 - y)),
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((x) * (8 - y)),
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((8 - x) * (y)),
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((x) * (y))};
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register int i;
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vector unsigned char fperm;
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const vector signed int vABCD = vec_ld(0, ABCD);
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const vector signed short vA = vec_splat((vector signed short)vABCD, 1);
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const vector signed short vB = vec_splat((vector signed short)vABCD, 3);
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const vector signed short vC = vec_splat((vector signed short)vABCD, 5);
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const vector signed short vD = vec_splat((vector signed short)vABCD, 7);
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const vector signed int vzero = vec_splat_s32(0);
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const vector signed short v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4));
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const vector unsigned short v6us = vec_splat_u16(6);
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register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1;
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register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0;
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vector unsigned char vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1;
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vector unsigned char vsrc0uc, vsrc1uc;
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vector signed short vsrc0ssH, vsrc1ssH;
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vector unsigned char vsrcCuc, vsrc2uc, vsrc3uc;
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vector signed short vsrc2ssH, vsrc3ssH, psum;
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vector unsigned char vdst, ppsum, fsum;
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if (((unsigned long)dst) % 16 == 0) {
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fperm = (vector unsigned char)AVV(0x10, 0x11, 0x12, 0x13,
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0x14, 0x15, 0x16, 0x17,
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0x08, 0x09, 0x0A, 0x0B,
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0x0C, 0x0D, 0x0E, 0x0F);
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} else {
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fperm = (vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03,
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0x04, 0x05, 0x06, 0x07,
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0x18, 0x19, 0x1A, 0x1B,
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0x1C, 0x1D, 0x1E, 0x1F);
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}
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vsrcAuc = vec_ld(0, src);
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if (loadSecond)
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vsrcBuc = vec_ld(16, src);
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vsrcperm0 = vec_lvsl(0, src);
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vsrcperm1 = vec_lvsl(1, src);
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vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0);
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if (reallyBadAlign)
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vsrc1uc = vsrcBuc;
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else
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vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1);
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vsrc0ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc0uc);
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vsrc1ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc1uc);
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if (!loadSecond) {// -> !reallyBadAlign
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for (i = 0 ; i < h ; i++) {
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vsrcCuc = vec_ld(stride + 0, src);
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vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0);
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vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1);
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vsrc2ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc2uc);
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vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc3uc);
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psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
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psum = vec_mladd(vB, vsrc1ssH, psum);
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psum = vec_mladd(vC, vsrc2ssH, psum);
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psum = vec_mladd(vD, vsrc3ssH, psum);
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psum = vec_add(v28ss, psum);
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psum = vec_sra(psum, v6us);
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vdst = vec_ld(0, dst);
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ppsum = (vector unsigned char)vec_packsu(psum, psum);
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fsum = vec_perm(vdst, ppsum, fperm);
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vec_st(fsum, 0, dst);
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vsrc0ssH = vsrc2ssH;
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vsrc1ssH = vsrc3ssH;
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dst += stride;
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src += stride;
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}
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} else {
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vector unsigned char vsrcDuc;
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for (i = 0 ; i < h ; i++) {
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vsrcCuc = vec_ld(stride + 0, src);
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vsrcDuc = vec_ld(stride + 16, src);
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vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0);
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if (reallyBadAlign)
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vsrc3uc = vsrcDuc;
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else
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vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1);
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vsrc2ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc2uc);
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vsrc3ssH = (vector signed short)vec_mergeh((vector unsigned char)vzero,
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(vector unsigned char)vsrc3uc);
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psum = vec_mladd(vA, vsrc0ssH, vec_splat_s16(0));
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psum = vec_mladd(vB, vsrc1ssH, psum);
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psum = vec_mladd(vC, vsrc2ssH, psum);
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psum = vec_mladd(vD, vsrc3ssH, psum);
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psum = vec_add(v28ss, psum);
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psum = vec_sr(psum, v6us);
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vdst = vec_ld(0, dst);
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ppsum = (vector unsigned char)vec_pack(psum, psum);
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fsum = vec_perm(vdst, ppsum, fperm);
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vec_st(fsum, 0, dst);
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vsrc0ssH = vsrc2ssH;
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vsrc1ssH = vsrc3ssH;
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dst += stride;
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src += stride;
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}
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}
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}
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static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
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const uint8_t * src2, int dst_stride,
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int src_stride1, int h)
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{
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int i;
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vector unsigned char a, b, d, tmp1, tmp2, mask, mask_, edges, align;
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mask_ = vec_lvsl(0, src2);
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for (i = 0; i < h; i++) {
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tmp1 = vec_ld(i * src_stride1, src1);
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mask = vec_lvsl(i * src_stride1, src1);
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tmp2 = vec_ld(i * src_stride1 + 15, src1);
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a = vec_perm(tmp1, tmp2, mask);
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tmp1 = vec_ld(i * 16, src2);
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tmp2 = vec_ld(i * 16 + 15, src2);
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b = vec_perm(tmp1, tmp2, mask_);
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tmp1 = vec_ld(0, dst);
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mask = vec_lvsl(0, dst);
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tmp2 = vec_ld(15, dst);
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d = vec_avg(a, b);
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edges = vec_perm(tmp2, tmp1, mask);
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align = vec_lvsr(0, dst);
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tmp2 = vec_perm(d, edges, align);
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tmp1 = vec_perm(edges, d, align);
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vec_st(tmp2, 15, dst);
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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;
|
|
vector unsigned char 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 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_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);
|
|
}
|
|
|
|
void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
|
|
|
|
#ifdef HAVE_ALTIVEC
|
|
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_idct8_add = ff_h264_idct8_add_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
|
|
|
|
} else
|
|
#endif /* HAVE_ALTIVEC */
|
|
{
|
|
// Non-AltiVec PPC optimisations
|
|
|
|
// ... pending ...
|
|
}
|
|
}
|