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b06688ffed
allowing to re-enable ff_h264_idct_add_altivec's usage. Patch by David Conrad %lessen42 A gmail P com% Originally committed as revision 16465 to svn://svn.ffmpeg.org/ffmpeg/trunk
1142 lines
51 KiB
C
1142 lines
51 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 "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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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);
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
vec_u8 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 VEC_1D_DCT(vb0,vb1,vb2,vb3,va0,va1,va2,va3) \
|
|
/* 1st stage */ \
|
|
vz0 = vec_add(vb0,vb2); /* temp[0] = Y[0] + Y[2] */ \
|
|
vz1 = vec_sub(vb0,vb2); /* temp[1] = Y[0] - Y[2] */ \
|
|
vz2 = vec_sra(vb1,vec_splat_u16(1)); \
|
|
vz2 = vec_sub(vz2,vb3); /* temp[2] = Y[1].1/2 - Y[3] */ \
|
|
vz3 = vec_sra(vb3,vec_splat_u16(1)); \
|
|
vz3 = vec_add(vb1,vz3); /* temp[3] = Y[1] + Y[3].1/2 */ \
|
|
/* 2nd stage: output */ \
|
|
va0 = vec_add(vz0,vz3); /* x[0] = temp[0] + temp[3] */ \
|
|
va1 = vec_add(vz1,vz2); /* x[1] = temp[1] + temp[2] */ \
|
|
va2 = vec_sub(vz1,vz2); /* x[2] = temp[1] - temp[2] */ \
|
|
va3 = vec_sub(vz0,vz3) /* x[3] = temp[0] - temp[3] */
|
|
|
|
#define VEC_TRANSPOSE_4(a0,a1,a2,a3,b0,b1,b2,b3) \
|
|
b0 = vec_mergeh( a0, a0 ); \
|
|
b1 = vec_mergeh( a1, a0 ); \
|
|
b2 = vec_mergeh( a2, a0 ); \
|
|
b3 = vec_mergeh( a3, a0 ); \
|
|
a0 = vec_mergeh( b0, b2 ); \
|
|
a1 = vec_mergel( b0, b2 ); \
|
|
a2 = vec_mergeh( b1, b3 ); \
|
|
a3 = vec_mergel( b1, b3 ); \
|
|
b0 = vec_mergeh( a0, a2 ); \
|
|
b1 = vec_mergel( a0, a2 ); \
|
|
b2 = vec_mergeh( a1, a3 ); \
|
|
b3 = vec_mergel( a1, a3 )
|
|
|
|
#define VEC_LOAD_U8_ADD_S16_STORE_U8(va) \
|
|
vdst_orig = vec_ld(0, dst); \
|
|
vdst = vec_perm(vdst_orig, zero_u8v, vdst_mask); \
|
|
vdst_ss = (vec_s16) vec_mergeh(zero_u8v, vdst); \
|
|
va = vec_add(va, vdst_ss); \
|
|
va_u8 = vec_packsu(va, zero_s16v); \
|
|
va_u32 = vec_splat((vec_u32)va_u8, 0); \
|
|
vec_ste(va_u32, element, (uint32_t*)dst);
|
|
|
|
static void ff_h264_idct_add_altivec(uint8_t *dst, DCTELEM *block, int stride)
|
|
{
|
|
vec_s16 va0, va1, va2, va3;
|
|
vec_s16 vz0, vz1, vz2, vz3;
|
|
vec_s16 vtmp0, vtmp1, vtmp2, vtmp3;
|
|
vec_u8 va_u8;
|
|
vec_u32 va_u32;
|
|
vec_s16 vdst_ss;
|
|
const vec_u16 v6us = vec_splat_u16(6);
|
|
vec_u8 vdst, vdst_orig;
|
|
vec_u8 vdst_mask = vec_lvsl(0, dst);
|
|
int element = ((unsigned long)dst & 0xf) >> 2;
|
|
LOAD_ZERO;
|
|
|
|
block[0] += 32; /* add 32 as a DC-level for rounding */
|
|
|
|
vtmp0 = vec_ld(0,block);
|
|
vtmp1 = vec_sld(vtmp0, vtmp0, 8);
|
|
vtmp2 = vec_ld(16,block);
|
|
vtmp3 = vec_sld(vtmp2, vtmp2, 8);
|
|
|
|
VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
|
|
VEC_TRANSPOSE_4(va0,va1,va2,va3,vtmp0,vtmp1,vtmp2,vtmp3);
|
|
VEC_1D_DCT(vtmp0,vtmp1,vtmp2,vtmp3,va0,va1,va2,va3);
|
|
|
|
va0 = vec_sra(va0,v6us);
|
|
va1 = vec_sra(va1,v6us);
|
|
va2 = vec_sra(va2,v6us);
|
|
va3 = vec_sra(va3,v6us);
|
|
|
|
VEC_LOAD_U8_ADD_S16_STORE_U8(va0);
|
|
dst += stride;
|
|
VEC_LOAD_U8_ADD_S16_STORE_U8(va1);
|
|
dst += stride;
|
|
VEC_LOAD_U8_ADD_S16_STORE_U8(va2);
|
|
dst += stride;
|
|
VEC_LOAD_U8_ADD_S16_STORE_U8(va3);
|
|
}
|
|
|
|
#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 a0v = vec_add(s0, s4); \
|
|
/* a2 = SRC(0) - SRC(4); */ \
|
|
vec_s16 a2v = vec_sub(s0, s4); \
|
|
/* a4 = (SRC(2)>>1) - SRC(6); */ \
|
|
vec_s16 a4v = vec_sub(vec_sra(s2, onev), s6); \
|
|
/* a6 = (SRC(6)>>1) + SRC(2); */ \
|
|
vec_s16 a6v = vec_add(vec_sra(s6, onev), s2); \
|
|
/* b0 = a0 + a6; */ \
|
|
vec_s16 b0v = vec_add(a0v, a6v); \
|
|
/* b2 = a2 + a4; */ \
|
|
vec_s16 b2v = vec_add(a2v, a4v); \
|
|
/* b4 = a2 - a4; */ \
|
|
vec_s16 b4v = vec_sub(a2v, a4v); \
|
|
/* b6 = a0 - a6; */ \
|
|
vec_s16 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 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 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 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 a7v = vec_add( vec_add(s5, s3), vec_add(s1, vec_sra(s1, onev)) );\
|
|
/* b1 = (a7>>2) + a1; */ \
|
|
vec_s16 b1v = vec_add( vec_sra(a7v, twov), a1v); \
|
|
/* b3 = a3 + (a5>>2); */ \
|
|
vec_s16 b3v = vec_add(a3v, vec_sra(a5v, twov)); \
|
|
/* b5 = (a3>>2) - a5; */ \
|
|
vec_s16 b5v = vec_sub( vec_sra(a3v, twov), a5v); \
|
|
/* b7 = a7 - (a1>>2); */ \
|
|
vec_s16 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 hv = vec_ld( 0, dest ); \
|
|
vec_u8 lv = vec_ld( 7, dest ); \
|
|
vec_u8 dstv = vec_perm( hv, lv, (vec_u8)perm_ldv ); \
|
|
vec_s16 idct_sh6 = vec_sra(idctv, sixv); \
|
|
vec_u16 dst16 = (vec_u16)vec_mergeh(zero_u8v, dstv); \
|
|
vec_s16 idstsum = vec_adds(idct_sh6, (vec_s16)dst16); \
|
|
vec_u8 idstsum8 = vec_packsu(zero_s16v, idstsum); \
|
|
vec_u8 edgehv; \
|
|
/* unaligned store */ \
|
|
vec_u8 bodyv = vec_perm( idstsum8, idstsum8, perm_stv );\
|
|
vec_u8 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 s0, s1, s2, s3, s4, s5, s6, s7;
|
|
vec_s16 d0, d1, d2, d3, d4, d5, d6, d7;
|
|
vec_s16 idct0, idct1, idct2, idct3, idct4, idct5, idct6, idct7;
|
|
|
|
vec_u8 perm_ldv = vec_lvsl(0, dst);
|
|
vec_u8 perm_stv = vec_lvsr(8, dst);
|
|
|
|
const vec_u16 onev = vec_splat_u16(1);
|
|
const vec_u16 twov = vec_splat_u16(2);
|
|
const vec_u16 sixv = vec_splat_u16(6);
|
|
|
|
const vec_u8 sel = (vec_u8) {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);
|
|
}
|
|
|
|
static av_always_inline void h264_idct_dc_add_internal(uint8_t *dst, DCTELEM *block, int stride, int size)
|
|
{
|
|
vec_s16 dc16;
|
|
vec_u8 dcplus, dcminus, v0, v1, v2, v3, aligner;
|
|
LOAD_ZERO;
|
|
DECLARE_ALIGNED_16(int, dc);
|
|
int i;
|
|
|
|
dc = (block[0] + 32) >> 6;
|
|
dc16 = vec_splat((vec_s16) vec_lde(0, &dc), 1);
|
|
|
|
if (size == 4)
|
|
dc16 = vec_sld(dc16, zero_s16v, 8);
|
|
dcplus = vec_packsu(dc16, zero_s16v);
|
|
dcminus = vec_packsu(vec_sub(zero_s16v, dc16), zero_s16v);
|
|
|
|
aligner = vec_lvsr(0, dst);
|
|
dcplus = vec_perm(dcplus, dcplus, aligner);
|
|
dcminus = vec_perm(dcminus, dcminus, aligner);
|
|
|
|
for (i = 0; i < size; i += 4) {
|
|
v0 = vec_ld(0, dst+0*stride);
|
|
v1 = vec_ld(0, dst+1*stride);
|
|
v2 = vec_ld(0, dst+2*stride);
|
|
v3 = vec_ld(0, dst+3*stride);
|
|
|
|
v0 = vec_adds(v0, dcplus);
|
|
v1 = vec_adds(v1, dcplus);
|
|
v2 = vec_adds(v2, dcplus);
|
|
v3 = vec_adds(v3, dcplus);
|
|
|
|
v0 = vec_subs(v0, dcminus);
|
|
v1 = vec_subs(v1, dcminus);
|
|
v2 = vec_subs(v2, dcminus);
|
|
v3 = vec_subs(v3, dcminus);
|
|
|
|
vec_st(v0, 0, dst+0*stride);
|
|
vec_st(v1, 0, dst+1*stride);
|
|
vec_st(v2, 0, dst+2*stride);
|
|
vec_st(v3, 0, dst+3*stride);
|
|
|
|
dst += 4*stride;
|
|
}
|
|
}
|
|
|
|
static void h264_idct_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride)
|
|
{
|
|
h264_idct_dc_add_internal(dst, block, stride, 4);
|
|
}
|
|
|
|
static void ff_h264_idct8_dc_add_altivec(uint8_t *dst, DCTELEM *block, int stride)
|
|
{
|
|
h264_idct_dc_add_internal(dst, block, stride, 8);
|
|
}
|
|
|
|
static void ff_h264_idct_add16_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
|
|
int i;
|
|
for(i=0; i<16; i++){
|
|
int nnz = nnzc[ scan8[i] ];
|
|
if(nnz){
|
|
if(nnz==1 && block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride);
|
|
else ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ff_h264_idct_add16intra_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
|
|
int i;
|
|
for(i=0; i<16; i++){
|
|
if(nnzc[ scan8[i] ]) ff_h264_idct_add_altivec(dst + block_offset[i], block + i*16, stride);
|
|
else if(block[i*16]) h264_idct_dc_add_altivec(dst + block_offset[i], block + i*16, stride);
|
|
}
|
|
}
|
|
|
|
static void ff_h264_idct8_add4_altivec(uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
|
|
int i;
|
|
for(i=0; i<16; i+=4){
|
|
int nnz = nnzc[ scan8[i] ];
|
|
if(nnz){
|
|
if(nnz==1 && block[i*16]) ff_h264_idct8_dc_add_altivec(dst + block_offset[i], block + i*16, stride);
|
|
else ff_h264_idct8_add_altivec (dst + block_offset[i], block + i*16, stride);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ff_h264_idct_add8_altivec(uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]){
|
|
int i;
|
|
for(i=16; i<16+8; i++){
|
|
if(nnzc[ scan8[i] ])
|
|
ff_h264_idct_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
|
|
else if(block[i*16])
|
|
h264_idct_dc_add_altivec(dest[(i&4)>>2] + block_offset[i], block + i*16, stride);
|
|
}
|
|
}
|
|
|
|
#define transpose4x16(r0, r1, r2, r3) { \
|
|
register vec_u8 r4; \
|
|
register vec_u8 r5; \
|
|
register vec_u8 r6; \
|
|
register vec_u8 r7; \
|
|
\
|
|
r4 = vec_mergeh(r0, r2); /*0, 2 set 0*/ \
|
|
r5 = vec_mergel(r0, r2); /*0, 2 set 1*/ \
|
|
r6 = vec_mergeh(r1, r3); /*1, 3 set 0*/ \
|
|
r7 = vec_mergel(r1, r3); /*1, 3 set 1*/ \
|
|
\
|
|
r0 = vec_mergeh(r4, r6); /*all set 0*/ \
|
|
r1 = vec_mergel(r4, r6); /*all set 1*/ \
|
|
r2 = vec_mergeh(r5, r7); /*all set 2*/ \
|
|
r3 = vec_mergel(r5, r7); /*all set 3*/ \
|
|
}
|
|
|
|
static inline void write16x4(uint8_t *dst, int dst_stride,
|
|
register vec_u8 r0, register vec_u8 r1,
|
|
register vec_u8 r2, register vec_u8 r3) {
|
|
DECLARE_ALIGNED_16(unsigned char, result[64]);
|
|
uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst;
|
|
int int_dst_stride = dst_stride/4;
|
|
|
|
vec_st(r0, 0, result);
|
|
vec_st(r1, 16, result);
|
|
vec_st(r2, 32, result);
|
|
vec_st(r3, 48, result);
|
|
/* FIXME: there has to be a better way!!!! */
|
|
*dst_int = *src_int;
|
|
*(dst_int+ int_dst_stride) = *(src_int + 1);
|
|
*(dst_int+ 2*int_dst_stride) = *(src_int + 2);
|
|
*(dst_int+ 3*int_dst_stride) = *(src_int + 3);
|
|
*(dst_int+ 4*int_dst_stride) = *(src_int + 4);
|
|
*(dst_int+ 5*int_dst_stride) = *(src_int + 5);
|
|
*(dst_int+ 6*int_dst_stride) = *(src_int + 6);
|
|
*(dst_int+ 7*int_dst_stride) = *(src_int + 7);
|
|
*(dst_int+ 8*int_dst_stride) = *(src_int + 8);
|
|
*(dst_int+ 9*int_dst_stride) = *(src_int + 9);
|
|
*(dst_int+10*int_dst_stride) = *(src_int + 10);
|
|
*(dst_int+11*int_dst_stride) = *(src_int + 11);
|
|
*(dst_int+12*int_dst_stride) = *(src_int + 12);
|
|
*(dst_int+13*int_dst_stride) = *(src_int + 13);
|
|
*(dst_int+14*int_dst_stride) = *(src_int + 14);
|
|
*(dst_int+15*int_dst_stride) = *(src_int + 15);
|
|
}
|
|
|
|
/** \brief performs a 6x16 transpose of data in src, and stores it to dst
|
|
\todo FIXME: see if we can't spare some vec_lvsl() by them factorizing
|
|
out of unaligned_load() */
|
|
#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\
|
|
register vec_u8 r0 = unaligned_load(0, src); \
|
|
register vec_u8 r1 = unaligned_load( src_stride, src); \
|
|
register vec_u8 r2 = unaligned_load(2* src_stride, src); \
|
|
register vec_u8 r3 = unaligned_load(3* src_stride, src); \
|
|
register vec_u8 r4 = unaligned_load(4* src_stride, src); \
|
|
register vec_u8 r5 = unaligned_load(5* src_stride, src); \
|
|
register vec_u8 r6 = unaligned_load(6* src_stride, src); \
|
|
register vec_u8 r7 = unaligned_load(7* src_stride, src); \
|
|
register vec_u8 r14 = unaligned_load(14*src_stride, src); \
|
|
register vec_u8 r15 = unaligned_load(15*src_stride, src); \
|
|
\
|
|
r8 = unaligned_load( 8*src_stride, src); \
|
|
r9 = unaligned_load( 9*src_stride, src); \
|
|
r10 = unaligned_load(10*src_stride, src); \
|
|
r11 = unaligned_load(11*src_stride, src); \
|
|
r12 = unaligned_load(12*src_stride, src); \
|
|
r13 = unaligned_load(13*src_stride, src); \
|
|
\
|
|
/*Merge first pairs*/ \
|
|
r0 = vec_mergeh(r0, r8); /*0, 8*/ \
|
|
r1 = vec_mergeh(r1, r9); /*1, 9*/ \
|
|
r2 = vec_mergeh(r2, r10); /*2,10*/ \
|
|
r3 = vec_mergeh(r3, r11); /*3,11*/ \
|
|
r4 = vec_mergeh(r4, r12); /*4,12*/ \
|
|
r5 = vec_mergeh(r5, r13); /*5,13*/ \
|
|
r6 = vec_mergeh(r6, r14); /*6,14*/ \
|
|
r7 = vec_mergeh(r7, r15); /*7,15*/ \
|
|
\
|
|
/*Merge second pairs*/ \
|
|
r8 = vec_mergeh(r0, r4); /*0,4, 8,12 set 0*/ \
|
|
r9 = vec_mergel(r0, r4); /*0,4, 8,12 set 1*/ \
|
|
r10 = vec_mergeh(r1, r5); /*1,5, 9,13 set 0*/ \
|
|
r11 = vec_mergel(r1, r5); /*1,5, 9,13 set 1*/ \
|
|
r12 = vec_mergeh(r2, r6); /*2,6,10,14 set 0*/ \
|
|
r13 = vec_mergel(r2, r6); /*2,6,10,14 set 1*/ \
|
|
r14 = vec_mergeh(r3, r7); /*3,7,11,15 set 0*/ \
|
|
r15 = vec_mergel(r3, r7); /*3,7,11,15 set 1*/ \
|
|
\
|
|
/*Third merge*/ \
|
|
r0 = vec_mergeh(r8, r12); /*0,2,4,6,8,10,12,14 set 0*/ \
|
|
r1 = vec_mergel(r8, r12); /*0,2,4,6,8,10,12,14 set 1*/ \
|
|
r2 = vec_mergeh(r9, r13); /*0,2,4,6,8,10,12,14 set 2*/ \
|
|
r4 = vec_mergeh(r10, r14); /*1,3,5,7,9,11,13,15 set 0*/ \
|
|
r5 = vec_mergel(r10, r14); /*1,3,5,7,9,11,13,15 set 1*/ \
|
|
r6 = vec_mergeh(r11, r15); /*1,3,5,7,9,11,13,15 set 2*/ \
|
|
/* Don't need to compute 3 and 7*/ \
|
|
\
|
|
/*Final merge*/ \
|
|
r8 = vec_mergeh(r0, r4); /*all set 0*/ \
|
|
r9 = vec_mergel(r0, r4); /*all set 1*/ \
|
|
r10 = vec_mergeh(r1, r5); /*all set 2*/ \
|
|
r11 = vec_mergel(r1, r5); /*all set 3*/ \
|
|
r12 = vec_mergeh(r2, r6); /*all set 4*/ \
|
|
r13 = vec_mergel(r2, r6); /*all set 5*/ \
|
|
/* Don't need to compute 14 and 15*/ \
|
|
\
|
|
}
|
|
|
|
// out: o = |x-y| < a
|
|
static inline vec_u8 diff_lt_altivec ( register vec_u8 x,
|
|
register vec_u8 y,
|
|
register vec_u8 a) {
|
|
|
|
register vec_u8 diff = vec_subs(x, y);
|
|
register vec_u8 diffneg = vec_subs(y, x);
|
|
register vec_u8 o = vec_or(diff, diffneg); /* |x-y| */
|
|
o = (vec_u8)vec_cmplt(o, a);
|
|
return o;
|
|
}
|
|
|
|
static inline vec_u8 h264_deblock_mask ( register vec_u8 p0,
|
|
register vec_u8 p1,
|
|
register vec_u8 q0,
|
|
register vec_u8 q1,
|
|
register vec_u8 alpha,
|
|
register vec_u8 beta) {
|
|
|
|
register vec_u8 mask;
|
|
register vec_u8 tempmask;
|
|
|
|
mask = diff_lt_altivec(p0, q0, alpha);
|
|
tempmask = diff_lt_altivec(p1, p0, beta);
|
|
mask = vec_and(mask, tempmask);
|
|
tempmask = diff_lt_altivec(q1, q0, beta);
|
|
mask = vec_and(mask, tempmask);
|
|
|
|
return mask;
|
|
}
|
|
|
|
// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0)
|
|
static inline vec_u8 h264_deblock_q1(register vec_u8 p0,
|
|
register vec_u8 p1,
|
|
register vec_u8 p2,
|
|
register vec_u8 q0,
|
|
register vec_u8 tc0) {
|
|
|
|
register vec_u8 average = vec_avg(p0, q0);
|
|
register vec_u8 temp;
|
|
register vec_u8 uncliped;
|
|
register vec_u8 ones;
|
|
register vec_u8 max;
|
|
register vec_u8 min;
|
|
register vec_u8 newp1;
|
|
|
|
temp = vec_xor(average, p2);
|
|
average = vec_avg(average, p2); /*avg(p2, avg(p0, q0)) */
|
|
ones = vec_splat_u8(1);
|
|
temp = vec_and(temp, ones); /*(p2^avg(p0, q0)) & 1 */
|
|
uncliped = vec_subs(average, temp); /*(p2+((p0+q0+1)>>1))>>1 */
|
|
max = vec_adds(p1, tc0);
|
|
min = vec_subs(p1, tc0);
|
|
newp1 = vec_max(min, uncliped);
|
|
newp1 = vec_min(max, newp1);
|
|
return newp1;
|
|
}
|
|
|
|
#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \
|
|
\
|
|
const vec_u8 A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \
|
|
\
|
|
register vec_u8 pq0bit = vec_xor(p0,q0); \
|
|
register vec_u8 q1minus; \
|
|
register vec_u8 p0minus; \
|
|
register vec_u8 stage1; \
|
|
register vec_u8 stage2; \
|
|
register vec_u8 vec160; \
|
|
register vec_u8 delta; \
|
|
register vec_u8 deltaneg; \
|
|
\
|
|
q1minus = vec_nor(q1, q1); /* 255 - q1 */ \
|
|
stage1 = vec_avg(p1, q1minus); /* (p1 - q1 + 256)>>1 */ \
|
|
stage2 = vec_sr(stage1, vec_splat_u8(1)); /* (p1 - q1 + 256)>>2 = 64 + (p1 - q1) >> 2 */ \
|
|
p0minus = vec_nor(p0, p0); /* 255 - p0 */ \
|
|
stage1 = vec_avg(q0, p0minus); /* (q0 - p0 + 256)>>1 */ \
|
|
pq0bit = vec_and(pq0bit, vec_splat_u8(1)); \
|
|
stage2 = vec_avg(stage2, pq0bit); /* 32 + ((q0 - p0)&1 + (p1 - q1) >> 2 + 1) >> 1 */ \
|
|
stage2 = vec_adds(stage2, stage1); /* 160 + ((p0 - q0) + (p1 - q1) >> 2 + 1) >> 1 */ \
|
|
vec160 = vec_ld(0, &A0v); \
|
|
deltaneg = vec_subs(vec160, stage2); /* -d */ \
|
|
delta = vec_subs(stage2, vec160); /* d */ \
|
|
deltaneg = vec_min(tc0masked, deltaneg); \
|
|
delta = vec_min(tc0masked, delta); \
|
|
p0 = vec_subs(p0, deltaneg); \
|
|
q0 = vec_subs(q0, delta); \
|
|
p0 = vec_adds(p0, delta); \
|
|
q0 = vec_adds(q0, deltaneg); \
|
|
}
|
|
|
|
#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \
|
|
DECLARE_ALIGNED_16(unsigned char, temp[16]); \
|
|
register vec_u8 alphavec; \
|
|
register vec_u8 betavec; \
|
|
register vec_u8 mask; \
|
|
register vec_u8 p1mask; \
|
|
register vec_u8 q1mask; \
|
|
register vector signed char tc0vec; \
|
|
register vec_u8 finaltc0; \
|
|
register vec_u8 tc0masked; \
|
|
register vec_u8 newp1; \
|
|
register vec_u8 newq1; \
|
|
\
|
|
temp[0] = alpha; \
|
|
temp[1] = beta; \
|
|
alphavec = vec_ld(0, temp); \
|
|
betavec = vec_splat(alphavec, 0x1); \
|
|
alphavec = vec_splat(alphavec, 0x0); \
|
|
mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \
|
|
\
|
|
*((int *)temp) = *((int *)tc0); \
|
|
tc0vec = vec_ld(0, (signed char*)temp); \
|
|
tc0vec = vec_mergeh(tc0vec, tc0vec); \
|
|
tc0vec = vec_mergeh(tc0vec, tc0vec); \
|
|
mask = vec_and(mask, vec_cmpgt(tc0vec, vec_splat_s8(-1))); /* if tc0[i] >= 0 */ \
|
|
finaltc0 = vec_and((vec_u8)tc0vec, mask); /* tc = tc0 */ \
|
|
\
|
|
p1mask = diff_lt_altivec(p2, p0, betavec); \
|
|
p1mask = vec_and(p1mask, mask); /* if ( |p2 - p0| < beta) */ \
|
|
tc0masked = vec_and(p1mask, (vec_u8)tc0vec); \
|
|
finaltc0 = vec_sub(finaltc0, p1mask); /* tc++ */ \
|
|
newp1 = h264_deblock_q1(p0, p1, p2, q0, tc0masked); \
|
|
/*end if*/ \
|
|
\
|
|
q1mask = diff_lt_altivec(q2, q0, betavec); \
|
|
q1mask = vec_and(q1mask, mask); /* if ( |q2 - q0| < beta ) */\
|
|
tc0masked = vec_and(q1mask, (vec_u8)tc0vec); \
|
|
finaltc0 = vec_sub(finaltc0, q1mask); /* tc++ */ \
|
|
newq1 = h264_deblock_q1(p0, q1, q2, q0, tc0masked); \
|
|
/*end if*/ \
|
|
\
|
|
h264_deblock_p0_q0(p0, p1, q0, q1, finaltc0); \
|
|
p1 = newp1; \
|
|
q1 = newq1; \
|
|
}
|
|
|
|
static void h264_v_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
|
|
|
|
if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) {
|
|
register vec_u8 p2 = vec_ld(-3*stride, pix);
|
|
register vec_u8 p1 = vec_ld(-2*stride, pix);
|
|
register vec_u8 p0 = vec_ld(-1*stride, pix);
|
|
register vec_u8 q0 = vec_ld(0, pix);
|
|
register vec_u8 q1 = vec_ld(stride, pix);
|
|
register vec_u8 q2 = vec_ld(2*stride, pix);
|
|
h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0);
|
|
vec_st(p1, -2*stride, pix);
|
|
vec_st(p0, -1*stride, pix);
|
|
vec_st(q0, 0, pix);
|
|
vec_st(q1, stride, pix);
|
|
}
|
|
}
|
|
|
|
static void h264_h_loop_filter_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
|
|
|
|
register vec_u8 line0, line1, line2, line3, line4, line5;
|
|
if ((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0)
|
|
return;
|
|
readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
|
|
h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
|
|
transpose4x16(line1, line2, line3, line4);
|
|
write16x4(pix-2, stride, line1, line2, line3, line4);
|
|
}
|
|
|
|
static av_always_inline
|
|
void weight_h264_WxH_altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset, int w, int h)
|
|
{
|
|
int y, aligned;
|
|
vec_u8 vblock;
|
|
vec_s16 vtemp, vweight, voffset, v0, v1;
|
|
vec_u16 vlog2_denom;
|
|
DECLARE_ALIGNED_16(int32_t, temp[4]);
|
|
LOAD_ZERO;
|
|
|
|
offset <<= log2_denom;
|
|
if(log2_denom) offset += 1<<(log2_denom-1);
|
|
temp[0] = log2_denom;
|
|
temp[1] = weight;
|
|
temp[2] = offset;
|
|
|
|
vtemp = (vec_s16)vec_ld(0, temp);
|
|
vlog2_denom = (vec_u16)vec_splat(vtemp, 1);
|
|
vweight = vec_splat(vtemp, 3);
|
|
voffset = vec_splat(vtemp, 5);
|
|
aligned = !((unsigned long)block & 0xf);
|
|
|
|
for (y=0; y<h; y++) {
|
|
vblock = vec_ld(0, block);
|
|
|
|
v0 = (vec_s16)vec_mergeh(zero_u8v, vblock);
|
|
v1 = (vec_s16)vec_mergel(zero_u8v, vblock);
|
|
|
|
if (w == 16 || aligned) {
|
|
v0 = vec_mladd(v0, vweight, zero_s16v);
|
|
v0 = vec_adds(v0, voffset);
|
|
v0 = vec_sra(v0, vlog2_denom);
|
|
}
|
|
if (w == 16 || !aligned) {
|
|
v1 = vec_mladd(v1, vweight, zero_s16v);
|
|
v1 = vec_adds(v1, voffset);
|
|
v1 = vec_sra(v1, vlog2_denom);
|
|
}
|
|
vblock = vec_packsu(v0, v1);
|
|
vec_st(vblock, 0, block);
|
|
|
|
block += stride;
|
|
}
|
|
}
|
|
|
|
static av_always_inline
|
|
void biweight_h264_WxH_altivec(uint8_t *dst, uint8_t *src, int stride, int log2_denom,
|
|
int weightd, int weights, int offset, int w, int h)
|
|
{
|
|
int y, dst_aligned, src_aligned;
|
|
vec_u8 vsrc, vdst;
|
|
vec_s16 vtemp, vweights, vweightd, voffset, v0, v1, v2, v3;
|
|
vec_u16 vlog2_denom;
|
|
DECLARE_ALIGNED_16(int32_t, temp[4]);
|
|
LOAD_ZERO;
|
|
|
|
offset = ((offset + 1) | 1) << log2_denom;
|
|
temp[0] = log2_denom+1;
|
|
temp[1] = weights;
|
|
temp[2] = weightd;
|
|
temp[3] = offset;
|
|
|
|
vtemp = (vec_s16)vec_ld(0, temp);
|
|
vlog2_denom = (vec_u16)vec_splat(vtemp, 1);
|
|
vweights = vec_splat(vtemp, 3);
|
|
vweightd = vec_splat(vtemp, 5);
|
|
voffset = vec_splat(vtemp, 7);
|
|
dst_aligned = !((unsigned long)dst & 0xf);
|
|
src_aligned = !((unsigned long)src & 0xf);
|
|
|
|
for (y=0; y<h; y++) {
|
|
vdst = vec_ld(0, dst);
|
|
vsrc = vec_ld(0, src);
|
|
|
|
v0 = (vec_s16)vec_mergeh(zero_u8v, vdst);
|
|
v1 = (vec_s16)vec_mergel(zero_u8v, vdst);
|
|
v2 = (vec_s16)vec_mergeh(zero_u8v, vsrc);
|
|
v3 = (vec_s16)vec_mergel(zero_u8v, vsrc);
|
|
|
|
if (w == 8) {
|
|
if (src_aligned)
|
|
v3 = v2;
|
|
else
|
|
v2 = v3;
|
|
}
|
|
|
|
if (w == 16 || dst_aligned) {
|
|
v0 = vec_mladd(v0, vweightd, zero_s16v);
|
|
v2 = vec_mladd(v2, vweights, zero_s16v);
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|
|
|
v0 = vec_adds(v0, voffset);
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|
v0 = vec_adds(v0, v2);
|
|
v0 = vec_sra(v0, vlog2_denom);
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|
}
|
|
if (w == 16 || !dst_aligned) {
|
|
v1 = vec_mladd(v1, vweightd, zero_s16v);
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|
v3 = vec_mladd(v3, vweights, zero_s16v);
|
|
|
|
v1 = vec_adds(v1, voffset);
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|
v1 = vec_adds(v1, v3);
|
|
v1 = vec_sra(v1, vlog2_denom);
|
|
}
|
|
vdst = vec_packsu(v0, v1);
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|
vec_st(vdst, 0, dst);
|
|
|
|
dst += stride;
|
|
src += stride;
|
|
}
|
|
}
|
|
|
|
#define H264_WEIGHT(W,H) \
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|
static void ff_weight_h264_pixels ## W ## x ## H ## _altivec(uint8_t *block, int stride, int log2_denom, int weight, int offset){ \
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|
weight_h264_WxH_altivec(block, stride, log2_denom, weight, offset, W, H); \
|
|
}\
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|
static void ff_biweight_h264_pixels ## W ## x ## H ## _altivec(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset){ \
|
|
biweight_h264_WxH_altivec(dst, src, stride, log2_denom, weightd, weights, offset, W, H); \
|
|
}
|
|
|
|
H264_WEIGHT(16,16)
|
|
H264_WEIGHT(16, 8)
|
|
H264_WEIGHT( 8,16)
|
|
H264_WEIGHT( 8, 8)
|
|
H264_WEIGHT( 8, 4)
|
|
|
|
void dsputil_h264_init_ppc(DSPContext* c, AVCodecContext *avctx) {
|
|
|
|
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_idct_add = ff_h264_idct_add_altivec;
|
|
c->h264_idct_add8 = ff_h264_idct_add8_altivec;
|
|
c->h264_idct_add16 = ff_h264_idct_add16_altivec;
|
|
c->h264_idct_add16intra = ff_h264_idct_add16intra_altivec;
|
|
c->h264_idct_dc_add= h264_idct_dc_add_altivec;
|
|
c->h264_idct8_dc_add = ff_h264_idct8_dc_add_altivec;
|
|
c->h264_idct8_add = ff_h264_idct8_add_altivec;
|
|
c->h264_idct8_add4 = ff_h264_idct8_add4_altivec;
|
|
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_altivec;
|
|
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_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
|
|
|
|
c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16x16_altivec;
|
|
c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels16x8_altivec;
|
|
c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels8x16_altivec;
|
|
c->weight_h264_pixels_tab[3] = ff_weight_h264_pixels8x8_altivec;
|
|
c->weight_h264_pixels_tab[4] = ff_weight_h264_pixels8x4_altivec;
|
|
c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16x16_altivec;
|
|
c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels16x8_altivec;
|
|
c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels8x16_altivec;
|
|
c->biweight_h264_pixels_tab[3] = ff_biweight_h264_pixels8x8_altivec;
|
|
c->biweight_h264_pixels_tab[4] = ff_biweight_h264_pixels8x4_altivec;
|
|
}
|
|
}
|