mirror of https://git.ffmpeg.org/ffmpeg.git
217 lines
9.5 KiB
C
217 lines
9.5 KiB
C
/*
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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 "config.h"
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#include "libavutil/attributes.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#include "libavutil/aarch64/cpu.h"
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void ff_hscale16to15_4_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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void ff_hscale16to15_X8_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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void ff_hscale16to15_X4_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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void ff_hscale16to19_4_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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void ff_hscale16to19_X8_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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void ff_hscale16to19_X4_neon_asm(int shift, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize);
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static void ff_hscale16to15_4_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int sh = desc->comp[0].depth - 1;
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if (sh<15) {
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sh = isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 : (desc->comp[0].depth - 1);
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1;
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}
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ff_hscale16to15_4_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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static void ff_hscale16to15_X8_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int sh = desc->comp[0].depth - 1;
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if (sh<15) {
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sh = isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 : (desc->comp[0].depth - 1);
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1;
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}
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ff_hscale16to15_X8_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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static void ff_hscale16to15_X4_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int sh = desc->comp[0].depth - 1;
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if (sh<15) {
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sh = isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8 ? 13 : (desc->comp[0].depth - 1);
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1;
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}
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ff_hscale16to15_X4_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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static void ff_hscale16to19_4_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int bits = desc->comp[0].depth - 1;
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int sh = bits - 4;
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if ((isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8) && desc->comp[0].depth<16) {
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sh = 9;
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1 - 4;
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}
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ff_hscale16to19_4_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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static void ff_hscale16to19_X8_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int bits = desc->comp[0].depth - 1;
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int sh = bits - 4;
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if ((isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8) && desc->comp[0].depth<16) {
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sh = 9;
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1 - 4;
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}
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ff_hscale16to19_X8_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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static void ff_hscale16to19_X4_neon(SwsContext *c, int16_t *_dst, int dstW,
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const uint8_t *_src, const int16_t *filter,
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const int32_t *filterPos, int filterSize)
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{
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->srcFormat);
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int bits = desc->comp[0].depth - 1;
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int sh = bits - 4;
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if ((isAnyRGB(c->srcFormat) || c->srcFormat==AV_PIX_FMT_PAL8) && desc->comp[0].depth<16) {
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sh = 9;
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} else if (desc->flags & AV_PIX_FMT_FLAG_FLOAT) { /* float input are process like uint 16bpc */
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sh = 16 - 1 - 4;
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}
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ff_hscale16to19_X4_neon_asm(sh, _dst, dstW, _src, filter, filterPos, filterSize);
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}
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#define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
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void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
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SwsContext *c, int16_t *data, \
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int dstW, const uint8_t *src, \
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const int16_t *filter, \
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const int32_t *filterPos, int filterSize)
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#define SCALE_FUNCS(filter_n, opt) \
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SCALE_FUNC(filter_n, 8, 15, opt); \
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SCALE_FUNC(filter_n, 8, 19, opt);
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#define ALL_SCALE_FUNCS(opt) \
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SCALE_FUNCS(4, opt); \
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SCALE_FUNCS(X8, opt); \
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SCALE_FUNCS(X4, opt)
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ALL_SCALE_FUNCS(neon);
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void ff_yuv2planeX_8_neon(const int16_t *filter, int filterSize,
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const int16_t **src, uint8_t *dest, int dstW,
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const uint8_t *dither, int offset);
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void ff_yuv2plane1_8_neon(
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const int16_t *src,
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uint8_t *dest,
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int dstW,
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const uint8_t *dither,
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int offset);
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#define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt) do { \
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if (c->srcBpc == 8) { \
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if(c->dstBpc <= 14) { \
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hscalefn = \
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ff_hscale8to15_ ## filtersize ## _ ## opt; \
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} else \
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hscalefn = \
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ff_hscale8to19_ ## filtersize ## _ ## opt; \
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} else { \
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if (c->dstBpc <= 14) \
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hscalefn = \
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ff_hscale16to15_ ## filtersize ## _ ## opt; \
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else \
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hscalefn = \
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ff_hscale16to19_ ## filtersize ## _ ## opt; \
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} \
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} while (0)
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#define ASSIGN_SCALE_FUNC(hscalefn, filtersize, opt) do { \
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if (filtersize == 4) \
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ASSIGN_SCALE_FUNC2(hscalefn, 4, opt); \
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else if (filtersize % 8 == 0) \
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ASSIGN_SCALE_FUNC2(hscalefn, X8, opt); \
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else if (filtersize % 4 == 0 && filtersize % 8 != 0) \
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ASSIGN_SCALE_FUNC2(hscalefn, X4, opt); \
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} while (0)
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#define ASSIGN_VSCALE_FUNC(vscalefn, opt) \
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switch (c->dstBpc) { \
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case 8: vscalefn = ff_yuv2plane1_8_ ## opt; break; \
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default: break; \
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}
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av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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ASSIGN_SCALE_FUNC(c->hyScale, c->hLumFilterSize, neon);
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ASSIGN_SCALE_FUNC(c->hcScale, c->hChrFilterSize, neon);
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ASSIGN_VSCALE_FUNC(c->yuv2plane1, neon);
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if (c->dstBpc == 8) {
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c->yuv2planeX = ff_yuv2planeX_8_neon;
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}
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}
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}
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