ffmpeg / libavcodec / ppc / h264_altivec.c @ c663cb0d
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/*
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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 "libavcodec/dsputil.h" |
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#include "libavcodec/h264data.h" |
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#include "gcc_fixes.h" |
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#include "dsputil_ppc.h" |
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#include "dsputil_altivec.h" |
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#include "util_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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DECLARE_ALIGNED_16(signed int, ABCD[4]) = |
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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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vec_u8 fperm; |
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const vec_s32 vABCD = vec_ld(0, ABCD); |
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const vec_s16 vA = vec_splat((vec_s16)vABCD, 1); |
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const vec_s16 vB = vec_splat((vec_s16)vABCD, 3); |
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const vec_s16 vC = vec_splat((vec_s16)vABCD, 5); |
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const vec_s16 vD = vec_splat((vec_s16)vABCD, 7); |
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LOAD_ZERO; |
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const vec_s16 v28ss = vec_sub(vec_sl(vec_splat_s16(1),vec_splat_u16(5)),vec_splat_s16(4)); |
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const vec_u16 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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vec_u8 vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1; |
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vec_u8 vsrc0uc, vsrc1uc; |
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vec_s16 vsrc0ssH, vsrc1ssH; |
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vec_u8 vsrcCuc, vsrc2uc, vsrc3uc; |
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vec_s16 vsrc2ssH, vsrc3ssH, psum; |
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vec_u8 vdst, ppsum, fsum; |
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if (((unsigned long)dst) % 16 == 0) { |
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fperm = (vec_u8){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 = (vec_u8){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 = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc0uc); |
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vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)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 = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); |
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vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)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 = (vec_u8)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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vec_u8 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 = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)vsrc2uc); |
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vsrc3ssH = (vec_s16)vec_mergeh(zero_u8v, (vec_u8)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 = (vec_u8)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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vec_u8 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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|
| 322 |
a = vec_perm(tmp1, tmp2, mask); |
| 323 |
|
| 324 |
tmp1 = vec_ld(i * 16, src2);
|
| 325 |
tmp2 = vec_ld(i * 16 + 15, src2); |
| 326 |
|
| 327 |
b = vec_perm(tmp1, tmp2, mask_); |
| 328 |
|
| 329 |
tmp1 = vec_ld(0, dst);
|
| 330 |
mask = vec_lvsl(0, dst);
|
| 331 |
tmp2 = vec_ld(15, dst);
|
| 332 |
|
| 333 |
d = vec_avg(a, b); |
| 334 |
|
| 335 |
edges = vec_perm(tmp2, tmp1, mask); |
| 336 |
|
| 337 |
align = vec_lvsr(0, dst);
|
| 338 |
|
| 339 |
tmp2 = vec_perm(d, edges, align); |
| 340 |
tmp1 = vec_perm(edges, d, align); |
| 341 |
|
| 342 |
vec_st(tmp2, 15, dst);
|
| 343 |
vec_st(tmp1, 0 , dst);
|
| 344 |
|
| 345 |
dst += dst_stride; |
| 346 |
} |
| 347 |
} |
| 348 |
|
| 349 |
static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1, |
| 350 |
const uint8_t * src2, int dst_stride, |
| 351 |
int src_stride1, int h) |
| 352 |
{
|
| 353 |
int i;
|
| 354 |
vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align; |
| 355 |
|
| 356 |
mask_ = vec_lvsl(0, src2);
|
| 357 |
|
| 358 |
for (i = 0; i < h; i++) { |
| 359 |
|
| 360 |
tmp1 = vec_ld(i * src_stride1, src1); |
| 361 |
mask = vec_lvsl(i * src_stride1, src1); |
| 362 |
tmp2 = vec_ld(i * src_stride1 + 15, src1);
|
| 363 |
|
| 364 |
a = vec_perm(tmp1, tmp2, mask); |
| 365 |
|
| 366 |
tmp1 = vec_ld(i * 16, src2);
|
| 367 |
tmp2 = vec_ld(i * 16 + 15, src2); |
| 368 |
|
| 369 |
b = vec_perm(tmp1, tmp2, mask_); |
| 370 |
|
| 371 |
tmp1 = vec_ld(0, dst);
|
| 372 |
mask = vec_lvsl(0, dst);
|
| 373 |
tmp2 = vec_ld(15, dst);
|
| 374 |
|
| 375 |
d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b)); |
| 376 |
|
| 377 |
edges = vec_perm(tmp2, tmp1, mask); |
| 378 |
|
| 379 |
align = vec_lvsr(0, dst);
|
| 380 |
|
| 381 |
tmp2 = vec_perm(d, edges, align); |
| 382 |
tmp1 = vec_perm(edges, d, align); |
| 383 |
|
| 384 |
vec_st(tmp2, 15, dst);
|
| 385 |
vec_st(tmp1, 0 , dst);
|
| 386 |
|
| 387 |
dst += dst_stride; |
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
/* Implemented but could be faster
|
| 392 |
#define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
|
| 393 |
#define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
|
| 394 |
*/
|
| 395 |
|
| 396 |
H264_MC(put_, 16, altivec)
|
| 397 |
H264_MC(avg_, 16, altivec)
|
| 398 |
|
| 399 |
|
| 400 |
/****************************************************************************
|
| 401 |
* IDCT transform:
|
| 402 |
****************************************************************************/
|
| 403 |
|
| 404 |
#define VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \
|
| 405 |
/* 1st stage */ \
|
| 406 |
vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \
|
| 407 |
vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \
|
| 408 |
vz2 = vec_sra(vb1,vec_splat_u16(1)); \
|
| 409 |
vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \
|
| 410 |
vz3 = vec_sra(vb3,vec_splat_u16(1)); \
|
| 411 |
vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \
|
| 412 |
/* 2nd stage: output */ \
|
| 413 |
va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \
|
| 414 |
va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \
|
| 415 |
va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \
|
| 416 |
va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */
|
| 417 |
|
| 418 |
#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \
|
| 419 |
b0 = vec_mergeh( a0, a0 ); \ |
| 420 |
b1 = vec_mergeh( a1, a0 ); \ |
| 421 |
b2 = vec_mergeh( a2, a0 ); \ |
| 422 |
b3 = vec_mergeh( a3, a0 ); \ |
| 423 |
a0 = vec_mergeh( b0, b2 ); \ |
| 424 |
a1 = vec_mergel( b0, b2 ); \ |
| 425 |
a2 = vec_mergeh( b1, b3 ); \ |
| 426 |
a3 = vec_mergel( b1, b3 ); \ |
| 427 |
b0 = vec_mergeh( a0, a2 ); \ |
| 428 |
b1 = vec_mergel( a0, a2 ); \ |
| 429 |
b2 = vec_mergeh( a1, a3 ); \ |
| 430 |
b3 = vec_mergel( a1, a3 ) |
| 431 |
|
| 432 |
#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \
|
| 433 |
vdst_orig = vec_ld(0, dst); \
|
| 434 |
vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \ |
| 435 |
vdst_ss = (vec_s16) vec_mergeh(zero_u8v, vdst); \ |
| 436 |
va = vec_add(va, vdst_ss); \ |
| 437 |
va_u8 = vec_packsu(va, zero_s16v); \ |
| 438 |
va_u32 = vec_splat((vec_u32)va_u8, 0); \
|
| 439 |
vec_ste(va_u32, element, (uint32_t*)dst); |
| 440 |
|
| 441 |
static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride) |
| 442 |
{
|
| 443 |
vec_s16 va0, va1, va2, va3; |
| 444 |
vec_s16 vz0, vz1, vz2, vz3; |
| 445 |
vec_s16 vtmp0, vtmp1, vtmp2, vtmp3; |
| 446 |
vec_u8 va_u8; |
| 447 |
vec_u32 va_u32; |
| 448 |
vec_s16 vdst_ss; |
| 449 |
const vec_u16 v6us = vec_splat_u16(6); |
| 450 |
vec_u8 vdst, vdst_orig; |
| 451 |
vec_u8 vdst_mask = vec_lvsl(0, dst);
|
| 452 |
int element = ((unsigned long)dst & 0xf) >> 2; |
| 453 |
LOAD_ZERO; |
| 454 |
|
| 455 |
block[0] += 32; /* add 32 as a DC-level for rounding */ |
| 456 |
|
| 457 |
vtmp0 = vec_ld(0,block);
|
| 458 |
vtmp1 = vec_sld(vtmp0, vtmp0, 8);
|
| 459 |
vtmp2 = vec_ld(16,block);
|
| 460 |
vtmp3 = vec_sld(vtmp2, vtmp2, 8);
|
| 461 |
|
| 462 |
VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); |
| 463 |
VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3); |
| 464 |
VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3); |
| 465 |
|
| 466 |
va0 = vec_sra(va0,v6us); |
| 467 |
va1 = vec_sra(va1,v6us); |
| 468 |
va2 = vec_sra(va2,v6us); |
| 469 |
va3 = vec_sra(va3,v6us); |
| 470 |
|
| 471 |
VEC_LOAD_U8_ADD_S16_STORE_U8(va0); |
| 472 |
dst += stride; |
| 473 |
VEC_LOAD_U8_ADD_S16_STORE_U8(va1); |
| 474 |
dst += stride; |
| 475 |
VEC_LOAD_U8_ADD_S16_STORE_U8(va2); |
| 476 |
dst += stride; |
| 477 |
VEC_LOAD_U8_ADD_S16_STORE_U8(va3); |
| 478 |
} |
| 479 |
|
| 480 |
#define IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, d0, d1, d2, d3, d4, d5, d6, d7) {\
|
| 481 |
/* a0 = SRC(0) + SRC(4); */ \
|
| 482 |
vec_s16 a0v = vec_add(s0, s4); \ |
| 483 |
/* a2 = SRC(0) - SRC(4); */ \
|
| 484 |
vec_s16 a2v = vec_sub(s0, s4); \ |
| 485 |
/* a4 = (SRC(2)>>1) - SRC(6); */ \
|
| 486 |
vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \ |
| 487 |
/* a6 = (SRC(6)>>1) + SRC(2); */ \
|
| 488 |
vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \ |
| 489 |
/* b0 = a0 + a6; */ \
|
| 490 |
vec_s16 b0v = vec_add(a0v, a6v); \ |
| 491 |
/* b2 = a2 + a4; */ \
|
| 492 |
vec_s16 b2v = vec_add(a2v, a4v); \ |
| 493 |
/* b4 = a2 - a4; */ \
|
| 494 |
vec_s16 b4v = vec_sub(a2v, a4v); \ |
| 495 |
/* b6 = a0 - a6; */ \
|
| 496 |
vec_s16 b6v = vec_sub(a0v, a6v); \ |
| 497 |
/* a1 = SRC(5) - SRC(3) - SRC(7) - (SRC(7)>>1); */ \
|
| 498 |
/* a1 = (SRC(5)-SRC(3)) - (SRC(7) + (SRC(7)>>1)); */ \
|
| 499 |
vec_s16 a1v = vec_sub( vec_sub(s5, s3), vec_add(s7, vec_sra(s7, onev)) ); \ |
| 500 |
/* a3 = SRC(7) + SRC(1) - SRC(3) - (SRC(3)>>1); */ \
|
| 501 |
/* a3 = (SRC(7)+SRC(1)) - (SRC(3) + (SRC(3)>>1)); */ \
|
| 502 |
vec_s16 a3v = vec_sub( vec_add(s7, s1), vec_add(s3, vec_sra(s3, onev)) );\ |
| 503 |
/* a5 = SRC(7) - SRC(1) + SRC(5) + (SRC(5)>>1); */ \
|
| 504 |
/* a5 = (SRC(7)-SRC(1)) + SRC(5) + (SRC(5)>>1); */ \
|
| 505 |
vec_s16 a5v = vec_add( vec_sub(s7, s1), vec_add(s5, vec_sra(s5, onev)) );\ |
| 506 |
/* a7 = SRC(5)+SRC(3) + SRC(1) + (SRC(1)>>1); */ \
|
| 507 |
vec_s16 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\ |
| 508 |
/* b1 = (a7>>2) + a1; */ \
|
| 509 |
vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \ |
| 510 |
/* b3 = a3 + (a5>>2); */ \
|
| 511 |
vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \ |
| 512 |
/* b5 = (a3>>2) - a5; */ \
|
| 513 |
vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \ |
| 514 |
/* b7 = a7 - (a1>>2); */ \
|
| 515 |
vec_s16 b7v = vec_sub( a7v, vec_sra(a1v, twov)); \ |
| 516 |
/* DST(0, b0 + b7); */ \
|
| 517 |
d0 = vec_add(b0v, b7v); \ |
| 518 |
/* DST(1, b2 + b5); */ \
|
| 519 |
d1 = vec_add(b2v, b5v); \ |
| 520 |
/* DST(2, b4 + b3); */ \
|
| 521 |
d2 = vec_add(b4v, b3v); \ |
| 522 |
/* DST(3, b6 + b1); */ \
|
| 523 |
d3 = vec_add(b6v, b1v); \ |
| 524 |
/* DST(4, b6 - b1); */ \
|
| 525 |
d4 = vec_sub(b6v, b1v); \ |
| 526 |
/* DST(5, b4 - b3); */ \
|
| 527 |
d5 = vec_sub(b4v, b3v); \ |
| 528 |
/* DST(6, b2 - b5); */ \
|
| 529 |
d6 = vec_sub(b2v, b5v); \ |
| 530 |
/* DST(7, b0 - b7); */ \
|
| 531 |
d7 = vec_sub(b0v, b7v); \ |
| 532 |
} |
| 533 |
|
| 534 |
#define ALTIVEC_STORE_SUM_CLIP(dest, idctv, perm_ldv, perm_stv, sel) { \
|
| 535 |
/* unaligned load */ \
|
| 536 |
vec_u8 hv = vec_ld( 0, dest ); \
|
| 537 |
vec_u8 lv = vec_ld( 7, dest ); \
|
| 538 |
vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); \ |
| 539 |
vec_s16 idct_sh6 = vec_sra(idctv, sixv); \ |
| 540 |
vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \ |
| 541 |
vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \ |
| 542 |
vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \ |
| 543 |
vec_u8 edgehv; \ |
| 544 |
/* unaligned store */ \
|
| 545 |
vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\ |
| 546 |
vec_u8 edgelv = vec_perm( sel, zero_u8v, perm_stv ); \ |
| 547 |
lv = vec_sel( lv, bodyv, edgelv ); \ |
| 548 |
vec_st( lv, 7, dest ); \
|
| 549 |
hv = vec_ld( 0, dest ); \
|
| 550 |
edgehv = vec_perm( zero_u8v, sel, perm_stv ); \ |
| 551 |
hv = vec_sel( hv, bodyv, edgehv ); \ |
| 552 |
vec_st( hv, 0, dest ); \
|
| 553 |
} |
| 554 |
|
| 555 |
void ff_h264_idct8_add_altivec( uint8_t *dst, DCTELEM *dct, int stride ) { |
| 556 |
vec_s16 s0, s1, s2, s3, s4, s5, s6, s7; |
| 557 |
vec_s16 d0, d1, d2, d3, d4, d5, d6, d7; |
| 558 |
vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7; |
| 559 |
|
| 560 |
vec_u8 perm_ldv = vec_lvsl(0, dst);
|
| 561 |
vec_u8 perm_stv = vec_lvsr(8, dst);
|
| 562 |
|
| 563 |
const vec_u16 onev = vec_splat_u16(1); |
| 564 |
const vec_u16 twov = vec_splat_u16(2); |
| 565 |
const vec_u16 sixv = vec_splat_u16(6); |
| 566 |
|
| 567 |
const vec_u8 sel = (vec_u8) {0,0,0,0,0,0,0,0,-1,-1,-1,-1,-1,-1,-1,-1}; |
| 568 |
LOAD_ZERO; |
| 569 |
|
| 570 |
dct[0] += 32; // rounding for the >>6 at the end |
| 571 |
|
| 572 |
s0 = vec_ld(0x00, (int16_t*)dct);
|
| 573 |
s1 = vec_ld(0x10, (int16_t*)dct);
|
| 574 |
s2 = vec_ld(0x20, (int16_t*)dct);
|
| 575 |
s3 = vec_ld(0x30, (int16_t*)dct);
|
| 576 |
s4 = vec_ld(0x40, (int16_t*)dct);
|
| 577 |
s5 = vec_ld(0x50, (int16_t*)dct);
|
| 578 |
s6 = vec_ld(0x60, (int16_t*)dct);
|
| 579 |
s7 = vec_ld(0x70, (int16_t*)dct);
|
| 580 |
|
| 581 |
IDCT8_1D_ALTIVEC(s0, s1, s2, s3, s4, s5, s6, s7, |
| 582 |
d0, d1, d2, d3, d4, d5, d6, d7); |
| 583 |
|
| 584 |
TRANSPOSE8( d0, d1, d2, d3, d4, d5, d6, d7 ); |
| 585 |
|
| 586 |
IDCT8_1D_ALTIVEC(d0, d1, d2, d3, d4, d5, d6, d7, |
| 587 |
idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7); |
| 588 |
|
| 589 |
ALTIVEC_STORE_SUM_CLIP(&dst[0*stride], idct0, perm_ldv, perm_stv, sel);
|
| 590 |
ALTIVEC_STORE_SUM_CLIP(&dst[1*stride], idct1, perm_ldv, perm_stv, sel);
|
| 591 |
ALTIVEC_STORE_SUM_CLIP(&dst[2*stride], idct2, perm_ldv, perm_stv, sel);
|
| 592 |
ALTIVEC_STORE_SUM_CLIP(&dst[3*stride], idct3, perm_ldv, perm_stv, sel);
|
| 593 |
ALTIVEC_STORE_SUM_CLIP(&dst[4*stride], idct4, perm_ldv, perm_stv, sel);
|
| 594 |
ALTIVEC_STORE_SUM_CLIP(&dst[5*stride], idct5, perm_ldv, perm_stv, sel);
|
| 595 |
ALTIVEC_STORE_SUM_CLIP(&dst[6*stride], idct6, perm_ldv, perm_stv, sel);
|
| 596 |
ALTIVEC_STORE_SUM_CLIP(&dst[7*stride], idct7, perm_ldv, perm_stv, sel);
|
| 597 |
} |
| 598 |
|
| 599 |
static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, DCTELEM *block, int stride, int size) |
| 600 |
{
|
| 601 |
vec_s16 dc16; |
| 602 |
vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner; |
| 603 |
LOAD_ZERO; |
| 604 |
DECLARE_ALIGNED_16(int, dc);
|
| 605 |
int i;
|
| 606 |
|
| 607 |
dc = (block[0] + 32) >> 6; |
| 608 |
dc16 = vec_splat((vec_s16) vec_lde(0, &dc), 1); |
| 609 |
|
| 610 |
if (size == 4) |
| 611 |
dc16 = vec_sld(dc16, zero_s16v, 8);
|
| 612 |
dcplus = vec_packsu(dc16, zero_s16v); |
| 613 |
dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v); |
| 614 |
|
| 615 |
aligner = vec_lvsr(0, dst);
|
| 616 |
dcplus = vec_perm(dcplus, dcplus, aligner); |
| 617 |
dcminus = vec_perm(dcminus, dcminus, aligner); |
| 618 |
|
| 619 |
for (i = 0; i < size; i += 4) { |
| 620 |
v0 = vec_ld(0, dst+0*stride); |
| 621 |
v1 = vec_ld(0, dst+1*stride); |
| 622 |
v2 = vec_ld(0, dst+2*stride); |
| 623 |
v3 = vec_ld(0, dst+3*stride); |
| 624 |
|
| 625 |
v0 = vec_adds(v0, dcplus); |
| 626 |
v1 = vec_adds(v1, dcplus); |
| 627 |
v2 = vec_adds(v2, dcplus); |
| 628 |
v3 = vec_adds(v3, dcplus); |
| 629 |
|
| 630 |
v0 = vec_subs(v0, dcminus); |
| 631 |
v1 = vec_subs(v1, dcminus); |
| 632 |
v2 = vec_subs(v2, dcminus); |
| 633 |
v3 = vec_subs(v3, dcminus); |
| 634 |
|
| 635 |
vec_st(v0, 0, dst+0*stride); |
| 636 |
vec_st(v1, 0, dst+1*stride); |
| 637 |
vec_st(v2, 0, dst+2*stride); |
| 638 |
vec_st(v3, 0, dst+3*stride); |
| 639 |
|
| 640 |
dst += 4*stride;
|
| 641 |
} |
| 642 |
} |
| 643 |
|
| 644 |
static void h264_idct_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) |
| 645 |
{
|
| 646 |
h264_idct_dc_add_internal(dst, block, stride, 4);
|
| 647 |
} |
| 648 |
|
| 649 |
static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride) |
| 650 |
{
|
| 651 |
h264_idct_dc_add_internal(dst, block, stride, 8);
|
| 652 |
} |
| 653 |
|
| 654 |
static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){ |
| 655 |
int i;
|
| 656 |
for(i=0; i<16; i+=4){ |
| 657 |
int nnz = nnzc[ scan8[i] ];
|
| 658 |
if(nnz){
|
| 659 |
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride); |
| 660 |
else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride); |
| 661 |
} |
| 662 |
} |
| 663 |
} |
| 664 |
|
| 665 |
#define transpose4x16(r0, r1, r2, r3) { \
|
| 666 |
register vec_u8 r4; \
|
| 667 |
register vec_u8 r5; \
|
| 668 |
register vec_u8 r6; \
|
| 669 |
register vec_u8 r7; \
|
| 670 |
\ |
| 671 |
r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \
|
| 672 |
r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \
|
| 673 |
r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \
|
| 674 |
r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \
|
| 675 |
\ |
| 676 |
r0 = vec_mergeh(r4, r6); /*all set 0*/ \
|
| 677 |
r1 = vec_mergel(r4, r6); /*all set 1*/ \
|
| 678 |
r2 = vec_mergeh(r5, r7); /*all set 2*/ \
|
| 679 |
r3 = vec_mergel(r5, r7); /*all set 3*/ \
|
| 680 |
} |
| 681 |
|
| 682 |
static inline void write16x4(uint8_t *dst, int dst_stride, |
| 683 |
register vec_u8 r0, register vec_u8 r1, |
| 684 |
register vec_u8 r2, register vec_u8 r3) { |
| 685 |
DECLARE_ALIGNED_16(unsigned char, result[64]); |
| 686 |
uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst; |
| 687 |
int int_dst_stride = dst_stride/4; |
| 688 |
|
| 689 |
vec_st(r0, 0, result);
|
| 690 |
vec_st(r1, 16, result);
|
| 691 |
vec_st(r2, 32, result);
|
| 692 |
vec_st(r3, 48, result);
|
| 693 |
/* FIXME: there has to be a better way!!!! */
|
| 694 |
*dst_int = *src_int; |
| 695 |
*(dst_int+ int_dst_stride) = *(src_int + 1);
|
| 696 |
*(dst_int+ 2*int_dst_stride) = *(src_int + 2); |
| 697 |
*(dst_int+ 3*int_dst_stride) = *(src_int + 3); |
| 698 |
*(dst_int+ 4*int_dst_stride) = *(src_int + 4); |
| 699 |
*(dst_int+ 5*int_dst_stride) = *(src_int + 5); |
| 700 |
*(dst_int+ 6*int_dst_stride) = *(src_int + 6); |
| 701 |
*(dst_int+ 7*int_dst_stride) = *(src_int + 7); |
| 702 |
*(dst_int+ 8*int_dst_stride) = *(src_int + 8); |
| 703 |
*(dst_int+ 9*int_dst_stride) = *(src_int + 9); |
| 704 |
*(dst_int+10*int_dst_stride) = *(src_int + 10); |
| 705 |
*(dst_int+11*int_dst_stride) = *(src_int + 11); |
| 706 |
*(dst_int+12*int_dst_stride) = *(src_int + 12); |
| 707 |
*(dst_int+13*int_dst_stride) = *(src_int + 13); |
| 708 |
*(dst_int+14*int_dst_stride) = *(src_int + 14); |
| 709 |
*(dst_int+15*int_dst_stride) = *(src_int + 15); |
| 710 |
} |
| 711 |
|
| 712 |
/** \brief performs a 6x16 transpose of data in src, and stores it to dst
|
| 713 |
\todo FIXME: see if we can't spare some vec_lvsl() by them factorizing
|
| 714 |
out of unaligned_load() */
|
| 715 |
#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\
|
| 716 |
register vec_u8 r0 = unaligned_load(0, src); \ |
| 717 |
register vec_u8 r1 = unaligned_load( src_stride, src); \
|
| 718 |
register vec_u8 r2 = unaligned_load(2* src_stride, src); \ |
| 719 |
register vec_u8 r3 = unaligned_load(3* src_stride, src); \ |
| 720 |
register vec_u8 r4 = unaligned_load(4* src_stride, src); \ |
| 721 |
register vec_u8 r5 = unaligned_load(5* src_stride, src); \ |
| 722 |
register vec_u8 r6 = unaligned_load(6* src_stride, src); \ |
| 723 |
register vec_u8 r7 = unaligned_load(7* src_stride, src); \ |
| 724 |
register vec_u8 r14 = unaligned_load(14*src_stride, src); \ |
| 725 |
register vec_u8 r15 = unaligned_load(15*src_stride, src); \ |
| 726 |
\ |
| 727 |
r8 = unaligned_load( 8*src_stride, src); \
|
| 728 |
r9 = unaligned_load( 9*src_stride, src); \
|
| 729 |
r10 = unaligned_load(10*src_stride, src); \
|
| 730 |
r11 = unaligned_load(11*src_stride, src); \
|
| 731 |
r12 = unaligned_load(12*src_stride, src); \
|
| 732 |
r13 = unaligned_load(13*src_stride, src); \
|
| 733 |
\ |
| 734 |
/*Merge first pairs*/ \
|
| 735 |
r0 = vec_mergeh(r0, r8); /*0, 8*/ \
|
| 736 |
r1 = vec_mergeh(r1, r9); /*1, 9*/ \
|
| 737 |
r2 = vec_mergeh(r2, r10); /*2,10*/ \
|
| 738 |
r3 = vec_mergeh(r3, r11); /*3,11*/ \
|
| 739 |
r4 = vec_mergeh(r4, r12); /*4,12*/ \
|
| 740 |
r5 = vec_mergeh(r5, r13); /*5,13*/ \
|
| 741 |
r6 = vec_mergeh(r6, r14); /*6,14*/ \
|
| 742 |
r7 = vec_mergeh(r7, r15); /*7,15*/ \
|
| 743 |
\ |
| 744 |
/*Merge second pairs*/ \
|
| 745 |
r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \
|
| 746 |
r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \
|
| 747 |
r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \
|
| 748 |
r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \
|
| 749 |
r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \
|
| 750 |
r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \
|
| 751 |
r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \
|
| 752 |
r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \
|
| 753 |
\ |
| 754 |
/*Third merge*/ \
|
| 755 |
r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \
|
| 756 |
r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \
|
| 757 |
r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \
|
| 758 |
r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \
|
| 759 |
r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \
|
| 760 |
r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \
|
| 761 |
/* Don't need to compute 3 and 7*/ \
|
| 762 |
\ |
| 763 |
/*Final merge*/ \
|
| 764 |
r8 = vec_mergeh(r0, r4); /*all set 0*/ \
|
| 765 |
r9 = vec_mergel(r0, r4); /*all set 1*/ \
|
| 766 |
r10 = vec_mergeh(r1, r5); /*all set 2*/ \
|
| 767 |
r11 = vec_mergel(r1, r5); /*all set 3*/ \
|
| 768 |
r12 = vec_mergeh(r2, r6); /*all set 4*/ \
|
| 769 |
r13 = vec_mergel(r2, r6); /*all set 5*/ \
|
| 770 |
/* Don't need to compute 14 and 15*/ \
|
| 771 |
\ |
| 772 |
} |
| 773 |
|
| 774 |
// out: o = |x-y| < a
|
| 775 |
static inline vec_u8 diff_lt_altivec ( register vec_u8 x, |
| 776 |
register vec_u8 y,
|
| 777 |
register vec_u8 a) {
|
| 778 |
|
| 779 |
register vec_u8 diff = vec_subs(x, y);
|
| 780 |
register vec_u8 diffneg = vec_subs(y, x);
|
| 781 |
register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */ |
| 782 |
o = (vec_u8)vec_cmplt(o, a); |
| 783 |
return o;
|
| 784 |
} |
| 785 |
|
| 786 |
static inline vec_u8 h264_deblock_mask ( register vec_u8 p0, |
| 787 |
register vec_u8 p1,
|
| 788 |
register vec_u8 q0,
|
| 789 |
register vec_u8 q1,
|
| 790 |
register vec_u8 alpha,
|
| 791 |
register vec_u8 beta) {
|
| 792 |
|
| 793 |
register vec_u8 mask;
|
| 794 |
register vec_u8 tempmask;
|
| 795 |
|
| 796 |
mask = diff_lt_altivec(p0, q0, alpha); |
| 797 |
tempmask = diff_lt_altivec(p1, p0, beta); |
| 798 |
mask = vec_and(mask, tempmask); |
| 799 |
tempmask = diff_lt_altivec(q1, q0, beta); |
| 800 |
mask = vec_and(mask, tempmask); |
| 801 |
|
| 802 |
return mask;
|
| 803 |
} |
| 804 |
|
| 805 |
// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0)
|
| 806 |
static inline vec_u8 h264_deblock_q1(register vec_u8 p0, |
| 807 |
register vec_u8 p1,
|
| 808 |
register vec_u8 p2,
|
| 809 |
register vec_u8 q0,
|
| 810 |
register vec_u8 tc0) {
|
| 811 |
|
| 812 |
register vec_u8 average = vec_avg(p0, q0);
|
| 813 |
register vec_u8 temp;
|
| 814 |
register vec_u8 uncliped;
|
| 815 |
register vec_u8 ones;
|
| 816 |
register vec_u8 max;
|
| 817 |
register vec_u8 min;
|
| 818 |
register vec_u8 newp1;
|
| 819 |
|
| 820 |
temp = vec_xor(average, p2); |
| 821 |
average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */
|
| 822 |
ones = vec_splat_u8(1);
|
| 823 |
temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */
|
| 824 |
uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */
|
| 825 |
max = vec_adds(p1, tc0); |
| 826 |
min = vec_subs(p1, tc0); |
| 827 |
newp1 = vec_max(min, uncliped); |
| 828 |
newp1 = vec_min(max, newp1); |
| 829 |
return newp1;
|
| 830 |
} |
| 831 |
|
| 832 |
#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \
|
| 833 |
\ |
| 834 |
const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \ |
| 835 |
\ |
| 836 |
register vec_u8 pq0bit = vec_xor(p0,q0); \
|
| 837 |
register vec_u8 q1minus; \
|
| 838 |
register vec_u8 p0minus; \
|
| 839 |
register vec_u8 stage1; \
|
| 840 |
register vec_u8 stage2; \
|
| 841 |
register vec_u8 vec160; \
|
| 842 |
register vec_u8 delta; \
|
| 843 |
register vec_u8 deltaneg; \
|
| 844 |
\ |
| 845 |
q1minus = vec_nor(q1, q1); /* 255 - q1 */ \
|
| 846 |
stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \
|
| 847 |
stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \ |
| 848 |
p0minus = vec_nor(p0, p0); /* 255 - p0 */ \
|
| 849 |
stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \
|
| 850 |
pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \
|
| 851 |
stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \
|
| 852 |
stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \
|
| 853 |
vec160 = vec_ld(0, &A0v); \
|
| 854 |
deltaneg = vec_subs(vec160, stage2); /* -d */ \
|
| 855 |
delta = vec_subs(stage2, vec160); /* d */ \
|
| 856 |
deltaneg = vec_min(tc0masked, deltaneg); \ |
| 857 |
delta = vec_min(tc0masked, delta); \ |
| 858 |
p0 = vec_subs(p0, deltaneg); \ |
| 859 |
q0 = vec_subs(q0, delta); \ |
| 860 |
p0 = vec_adds(p0, delta); \ |
| 861 |
q0 = vec_adds(q0, deltaneg); \ |
| 862 |
} |
| 863 |
|
| 864 |
#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \
|
| 865 |
DECLARE_ALIGNED_16(unsigned char, temp[16]); \ |
| 866 |
register vec_u8 alphavec; \
|
| 867 |
register vec_u8 betavec; \
|
| 868 |
register vec_u8 mask; \
|
| 869 |
register vec_u8 p1mask; \
|
| 870 |
register vec_u8 q1mask; \
|
| 871 |
register vector signed char tc0vec; \ |
| 872 |
register vec_u8 finaltc0; \
|
| 873 |
register vec_u8 tc0masked; \
|
| 874 |
register vec_u8 newp1; \
|
| 875 |
register vec_u8 newq1; \
|
| 876 |
\ |
| 877 |
temp[0] = alpha; \
|
| 878 |
temp[1] = beta; \
|
| 879 |
alphavec = vec_ld(0, temp); \
|
| 880 |
betavec = vec_splat(alphavec, 0x1); \
|
| 881 |
alphavec = vec_splat(alphavec, 0x0); \
|
| 882 |
mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \
|
| 883 |
\ |
| 884 |
*((int *)temp) = *((int *)tc0); \ |
| 885 |
tc0vec = vec_ld(0, (signed char*)temp); \ |
| 886 |
tc0vec = vec_mergeh(tc0vec, tc0vec); \ |
| 887 |
tc0vec = vec_mergeh(tc0vec, tc0vec); \ |
| 888 |
mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \ |
| 889 |
finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \
|
| 890 |
\ |
| 891 |
p1mask = diff_lt_altivec(p2, p0, betavec); \ |
| 892 |
p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \
|
| 893 |
tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \ |
| 894 |
finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \
|
| 895 |
newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \ |
| 896 |
/*end if*/ \
|
| 897 |
\ |
| 898 |
q1mask = diff_lt_altivec(q2, q0, betavec); \ |
| 899 |
q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\
|
| 900 |
tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \ |
| 901 |
finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \
|
| 902 |
newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \ |
| 903 |
/*end if*/ \
|
| 904 |
\ |
| 905 |
h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \ |
| 906 |
p1 = newp1; \ |
| 907 |
q1 = newq1; \ |
| 908 |
} |
| 909 |
|
| 910 |
static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { |
| 911 |
|
| 912 |
if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) { |
| 913 |
register vec_u8 p2 = vec_ld(-3*stride, pix); |
| 914 |
register vec_u8 p1 = vec_ld(-2*stride, pix); |
| 915 |
register vec_u8 p0 = vec_ld(-1*stride, pix); |
| 916 |
register vec_u8 q0 = vec_ld(0, pix); |
| 917 |
register vec_u8 q1 = vec_ld(stride, pix);
|
| 918 |
register vec_u8 q2 = vec_ld(2*stride, pix); |
| 919 |
h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0); |
| 920 |
vec_st(p1, -2*stride, pix);
|
| 921 |
vec_st(p0, -1*stride, pix);
|
| 922 |
vec_st(q0, 0, pix);
|
| 923 |
vec_st(q1, stride, pix); |
| 924 |
} |
| 925 |
} |
| 926 |
|
| 927 |
static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) { |
| 928 |
|
| 929 |
register vec_u8 line0, line1, line2, line3, line4, line5;
|
| 930 |
if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0) |
| 931 |
return;
|
| 932 |
readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
|
| 933 |
h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0); |
| 934 |
transpose4x16(line1, line2, line3, line4); |
| 935 |
write16x4(pix-2, stride, line1, line2, line3, line4);
|
| 936 |
} |
| 937 |
|
| 938 |
void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
|
| 939 |
|
| 940 |
if (has_altivec()) {
|
| 941 |
c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
|
| 942 |
c->put_no_rnd_h264_chroma_pixels_tab[0] = put_no_rnd_h264_chroma_mc8_altivec;
|
| 943 |
c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
|
| 944 |
/* ff_h264_idct_add_altivec may be re-enabled once AltiVec versions of
|
| 945 |
h264_idct_add16, h264_idct_add16intra, h264_idct_add8 are implemented
|
| 946 |
c->h264_idct_add = ff_h264_idct_add_altivec;
|
| 947 |
*/
|
| 948 |
c->h264_idct_dc_add= h264_idct_dc_add_altivec; |
| 949 |
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_altivec; |
| 950 |
c->h264_idct8_add = ff_h264_idct8_add_altivec; |
| 951 |
c->h264_idct8_add4 = ff_h264_idct8_add4_altivec; |
| 952 |
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec; |
| 953 |
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_altivec; |
| 954 |
|
| 955 |
#define dspfunc(PFX, IDX, NUM) \
|
| 956 |
c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \ |
| 957 |
c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \ |
| 958 |
c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \ |
| 959 |
c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \ |
| 960 |
c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \ |
| 961 |
c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \ |
| 962 |
c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \ |
| 963 |
c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \ |
| 964 |
c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \ |
| 965 |
c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \ |
| 966 |
c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \ |
| 967 |
c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \ |
| 968 |
c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \ |
| 969 |
c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \ |
| 970 |
c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \ |
| 971 |
c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec |
| 972 |
|
| 973 |
dspfunc(put_h264_qpel, 0, 16); |
| 974 |
dspfunc(avg_h264_qpel, 0, 16); |
| 975 |
#undef dspfunc
|
| 976 |
} |
| 977 |
} |