mirror of https://git.ffmpeg.org/ffmpeg.git
PPC64: Add versions of functions in libswscale/input.c optimized for POWER8 VSX SIMD.
This patch addresses Trac ticket #5570. The optimized functions are in file libswscale/ppc/input_vsx.c. Each optimized function name is a concatenation of the corresponding name in libswscale/input.c with suffix _vsx. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Dan Parrot
Michael Niedermayer
parent
e370aad67d
commit
1df908f33f
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@ -1,3 +1,4 @@
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OBJS += ppc/swscale_altivec.o \
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ppc/input_vsx.o \
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ppc/yuv2rgb_altivec.o \
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ppc/yuv2yuv_altivec.o \
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@ -0,0 +1,437 @@
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/*
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* Copyright (C) 2016 Dan Parrot <dan.parrot@mail.com>
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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 <math.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/avutil.h"
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#include "libavutil/bswap.h"
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#include "libavutil/cpu.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/avassert.h"
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#include "config.h"
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#include "libswscale/rgb2rgb.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#if HAVE_VSX
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static void abgrToA_c_vsx(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,
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int width, uint32_t *unused)
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{
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int16_t *dst = (int16_t *)_dst;
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int i, width_adj, frag_len;
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uintptr_t src_addr = (uintptr_t)src;
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uintptr_t dst_addr = (uintptr_t)dst;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 3;
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width_adj = width_adj << 3;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 8) {
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vector int v_rd0 = vec_vsx_ld(0, (int *)src_addr);
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vector int v_rd1 = vec_vsx_ld(0, (int *)(src_addr + 16));
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v_rd0 = vec_and(v_rd0, vec_splats(0x0ff));
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v_rd1 = vec_and(v_rd1, vec_splats(0x0ff));
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v_rd0 = vec_sl(v_rd0, vec_splats((unsigned)6));
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v_rd1 = vec_sl(v_rd1, vec_splats((unsigned)6));
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vector int v_dst = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29}));
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vec_vsx_st((vector unsigned char)v_dst, 0, (unsigned char *)dst_addr);
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src_addr += 32;
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dst_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dst[i]= src[4*i]<<6;
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}
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}
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static void rgbaToA_c_vsx(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,
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int width, uint32_t *unused)
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{
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int16_t *dst = (int16_t *)_dst;
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int i, width_adj, frag_len;
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uintptr_t src_addr = (uintptr_t)src;
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uintptr_t dst_addr = (uintptr_t)dst;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 3;
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width_adj = width_adj << 3;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 8) {
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vector int v_rd0 = vec_vsx_ld(0, (int *)src_addr);
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vector int v_rd1 = vec_vsx_ld(0, (int *)(src_addr + 16));
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v_rd0 = vec_sld(v_rd0, v_rd0, 13);
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v_rd1 = vec_sld(v_rd1, v_rd1, 13);
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v_rd0 = vec_and(v_rd0, vec_splats(0x0ff));
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v_rd1 = vec_and(v_rd1, vec_splats(0x0ff));
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v_rd0 = vec_sl(v_rd0, vec_splats((unsigned)6));
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v_rd1 = vec_sl(v_rd1, vec_splats((unsigned)6));
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vector int v_dst = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29}));
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vec_vsx_st((vector unsigned char)v_dst, 0, (unsigned char *)dst_addr);
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src_addr += 32;
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dst_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dst[i]= src[4*i+3]<<6;
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}
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}
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static void yuy2ToY_c_vsx(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width,
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uint32_t *unused)
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{
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int i, width_adj, frag_len;
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uintptr_t src_addr = (uintptr_t)src;
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uintptr_t dst_addr = (uintptr_t)dst;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_rd0 = vec_vsx_ld(0, (unsigned char *)src_addr);
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vector unsigned char v_rd1 = vec_vsx_ld(0, (unsigned char *)(src_addr + 16));
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vector unsigned char v_dst = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30}));
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vec_vsx_st((vector unsigned char)v_dst, 0, (unsigned char *)dst_addr);
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src_addr += 32;
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dst_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dst[i] = src[2 * i];
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}
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}
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static void yuy2ToUV_c_vsx(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src1,
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const uint8_t *src2, int width, uint32_t *unused)
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{
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int i, width_adj, frag_len;
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uintptr_t src1_addr = (uintptr_t)src1;
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uintptr_t dstu_addr = (uintptr_t)dstU;
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uintptr_t dstv_addr = (uintptr_t)dstV;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_src1_0 = vec_vsx_ld(0, (unsigned char *)src1_addr);
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vector unsigned char v_src1_1 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 16));
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vector unsigned char v_src1_2 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 32));
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vector unsigned char v_src1_3 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 48));
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vector unsigned char v_dstu = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{1, 5, 9, 13, 17, 21, 25, 29, 1, 5, 9, 13, 17, 21, 25, 29}));
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vector unsigned char v_dstv = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{3, 7, 11, 15, 19, 23, 27, 31, 1, 5, 9, 13, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 17, 21, 25, 29, 17, 21, 25, 29}));
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v_dstv = vec_perm(v_dstv, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 19, 23, 27, 31, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 17, 21, 25, 29}));
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v_dstv = vec_perm(v_dstv, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 19, 23, 27, 31}));
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vec_vsx_st((vector unsigned char)v_dstu, 0, (unsigned char *)dstu_addr);
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vec_vsx_st((vector unsigned char)v_dstv, 0, (unsigned char *)dstv_addr);
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src1_addr += 64;
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dstu_addr += 16;
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dstv_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dstU[i] = src1[4 * i + 1];
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dstV[i] = src1[4 * i + 3];
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}
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av_assert1(src1 == src2);
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}
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static void yvy2ToUV_c_vsx(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src1,
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const uint8_t *src2, int width, uint32_t *unused)
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{
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int i, width_adj, frag_len;
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uintptr_t src1_addr = (uintptr_t)src1;
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uintptr_t dstu_addr = (uintptr_t)dstU;
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uintptr_t dstv_addr = (uintptr_t)dstV;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_src1_0 = vec_vsx_ld(0, (unsigned char *)src1_addr);
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vector unsigned char v_src1_1 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 16));
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vector unsigned char v_src1_2 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 32));
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vector unsigned char v_src1_3 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 48));
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vector unsigned char v_dstv = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{1, 5, 9, 13, 17, 21, 25, 29, 1, 5, 9, 13, 17, 21, 25, 29}));
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vector unsigned char v_dstu = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{3, 7, 11, 15, 19, 23, 27, 31, 1, 5, 9, 13, 17, 21, 25, 29}));
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v_dstv = vec_perm(v_dstv, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 17, 21, 25, 29, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 19, 23, 27, 31, 17, 21, 25, 29}));
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v_dstv = vec_perm(v_dstv, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 19, 23, 27, 31}));
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vec_vsx_st((vector unsigned char)v_dstu, 0, (unsigned char *)dstu_addr);
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vec_vsx_st((vector unsigned char)v_dstv, 0, (unsigned char *)dstv_addr);
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src1_addr += 64;
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dstu_addr += 16;
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dstv_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dstV[i] = src1[4 * i + 1];
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dstU[i] = src1[4 * i + 3];
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}
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av_assert1(src1 == src2);
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}
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static void uyvyToY_c_vsx(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width,
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uint32_t *unused)
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{
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int i, width_adj, frag_len;
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uintptr_t src_addr = (uintptr_t)src;
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uintptr_t dst_addr = (uintptr_t)dst;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_rd0 = vec_vsx_ld(0, (unsigned char *)src_addr);
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vector unsigned char v_rd1 = vec_vsx_ld(0, (unsigned char *)(src_addr + 16));
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vector unsigned char v_dst = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31}));
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vec_vsx_st((vector unsigned char)v_dst, 0, (unsigned char *)dst_addr);
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src_addr += 32;
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dst_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dst[i] = src[2 * i + 1];
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}
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}
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static void uyvyToUV_c_vsx(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src1,
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const uint8_t *src2, int width, uint32_t *unused)
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{
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int i, width_adj, frag_len;
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uintptr_t src1_addr = (uintptr_t)src1;
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uintptr_t dstu_addr = (uintptr_t)dstU;
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uintptr_t dstv_addr = (uintptr_t)dstV;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_src1_0 = vec_vsx_ld(0, (unsigned char *)src1_addr);
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vector unsigned char v_src1_1 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 16));
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vector unsigned char v_src1_2 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 32));
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vector unsigned char v_src1_3 = vec_vsx_ld(0, (unsigned char *)(src1_addr + 48));
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vector unsigned char v_dstu = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{0, 4, 8, 12, 16, 20, 24, 28, 1, 5, 9, 13, 17, 21, 25, 29}));
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vector unsigned char v_dstv = vec_perm(v_src1_0, v_src1_1,
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((vector unsigned char)
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{2, 6, 10, 14, 18, 22, 26, 30, 1, 5, 9, 13, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 16, 20, 24, 28, 17, 21, 25, 29}));
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v_dstv = vec_perm(v_dstv, v_src1_2,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 18, 22, 26, 30, 17, 21, 25, 29}));
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v_dstu = vec_perm(v_dstu, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16, 20, 24, 28}));
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v_dstv = vec_perm(v_dstv, v_src1_3,((vector unsigned char)
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{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 22, 26, 30}));
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vec_vsx_st((vector unsigned char)v_dstu, 0, (unsigned char *)dstu_addr);
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vec_vsx_st((vector unsigned char)v_dstv, 0, (unsigned char *)dstv_addr);
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src1_addr += 64;
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dstu_addr += 16;
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dstv_addr += 16;
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}
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for (i=width_adj; i< width_adj + frag_len; i++) {
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dstU[i] = src1[4 * i + 0];
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dstV[i] = src1[4 * i + 2];
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}
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av_assert1(src1 == src2);
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}
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static av_always_inline void nvXXtoUV_c_vsx(uint8_t *dst1, uint8_t *dst2, const uint8_t *src, int width)
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{
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int i, width_adj, frag_len;
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uintptr_t src_addr = (uintptr_t)src;
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uintptr_t dst1_addr = (uintptr_t)dst1;
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uintptr_t dst2_addr = (uintptr_t)dst2;
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// compute integral number of vector-length items and length of final fragment
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width_adj = width >> 4;
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width_adj = width_adj << 4;
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frag_len = width - width_adj;
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for ( i = 0; i < width_adj; i += 16) {
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vector unsigned char v_rd0 = vec_vsx_ld(0, (unsigned char *)src_addr);
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vector unsigned char v_rd1 = vec_vsx_ld(0, (unsigned char *)(src_addr + 16));
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vector unsigned char v_dst1 = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30}));
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vector unsigned char v_dst2 = vec_perm(v_rd0, v_rd1, ((vector unsigned char)
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{1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31}));
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vec_vsx_st((vector unsigned char)v_dst1, 0, (unsigned char *)dst1_addr);
|
||||
vec_vsx_st((vector unsigned char)v_dst2, 0, (unsigned char *)dst2_addr);
|
||||
|
||||
src_addr += 32;
|
||||
dst1_addr += 16;
|
||||
dst2_addr += 16;
|
||||
}
|
||||
|
||||
for (i=width_adj; i< width_adj + frag_len; i++) {
|
||||
dst1[i] = src[2 * i + 0];
|
||||
dst2[i] = src[2 * i + 1];
|
||||
}
|
||||
}
|
||||
|
||||
static void nv12ToUV_c_vsx(uint8_t *dstU, uint8_t *dstV,
|
||||
const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2,
|
||||
int width, uint32_t *unused)
|
||||
{
|
||||
nvXXtoUV_c_vsx(dstU, dstV, src1, width);
|
||||
}
|
||||
|
||||
static void nv21ToUV_c_vsx(uint8_t *dstU, uint8_t *dstV,
|
||||
const uint8_t *unused0, const uint8_t *src1, const uint8_t *src2,
|
||||
int width, uint32_t *unused)
|
||||
{
|
||||
nvXXtoUV_c_vsx(dstV, dstU, src1, width);
|
||||
}
|
||||
|
||||
#endif /* HAVE_VSX */
|
||||
|
||||
av_cold void ff_sws_init_input_funcs_vsx(SwsContext *c)
|
||||
{
|
||||
#if HAVE_VSX
|
||||
|
||||
enum AVPixelFormat srcFormat = c->srcFormat;
|
||||
|
||||
switch (srcFormat) {
|
||||
case AV_PIX_FMT_YUYV422:
|
||||
c->chrToYV12 = yuy2ToUV_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_YVYU422:
|
||||
c->chrToYV12 = yvy2ToUV_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_UYVY422:
|
||||
c->chrToYV12 = uyvyToUV_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_NV12:
|
||||
c->chrToYV12 = nv12ToUV_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_NV21:
|
||||
c->chrToYV12 = nv21ToUV_c_vsx;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (srcFormat) {
|
||||
case AV_PIX_FMT_YUYV422:
|
||||
case AV_PIX_FMT_YVYU422:
|
||||
case AV_PIX_FMT_YA8:
|
||||
c->lumToYV12 = yuy2ToY_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_UYVY422:
|
||||
c->lumToYV12 = uyvyToY_c_vsx;
|
||||
break;
|
||||
}
|
||||
|
||||
if (c->needAlpha) {
|
||||
switch (srcFormat) {
|
||||
case AV_PIX_FMT_BGRA:
|
||||
case AV_PIX_FMT_RGBA:
|
||||
c->alpToYV12 = rgbaToA_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_ABGR:
|
||||
case AV_PIX_FMT_ARGB:
|
||||
c->alpToYV12 = abgrToA_c_vsx;
|
||||
break;
|
||||
case AV_PIX_FMT_YA8:
|
||||
c->alpToYV12 = uyvyToY_c_vsx;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* HAVE_VSX */
|
||||
}
|
||||
|
|
@ -566,6 +566,9 @@ static av_cold void sws_init_swscale(SwsContext *c)
|
|||
|
||||
ff_sws_init_input_funcs(c);
|
||||
|
||||
if (HAVE_VSX && (!HAVE_BIGENDIAN)) {
|
||||
ff_sws_init_input_funcs_vsx(c);
|
||||
}
|
||||
|
||||
if (c->srcBpc == 8) {
|
||||
if (c->dstBpc <= 14) {
|
||||
|
|
|
|||
|
|
@ -881,6 +881,7 @@ void ff_get_unscaled_swscale_aarch64(SwsContext *c);
|
|||
SwsFunc ff_getSwsFunc(SwsContext *c);
|
||||
|
||||
void ff_sws_init_input_funcs(SwsContext *c);
|
||||
void ff_sws_init_input_funcs_vsx(SwsContext *c);
|
||||
void ff_sws_init_output_funcs(SwsContext *c,
|
||||
yuv2planar1_fn *yuv2plane1,
|
||||
yuv2planarX_fn *yuv2planeX,
|
||||
|
|
|
|||
Loading…
Reference in New Issue