diff options
Diffstat (limited to 'ffmpeg1/libswscale/ppc/yuv2yuv_altivec.c')
| -rw-r--r-- | ffmpeg1/libswscale/ppc/yuv2yuv_altivec.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/ffmpeg1/libswscale/ppc/yuv2yuv_altivec.c b/ffmpeg1/libswscale/ppc/yuv2yuv_altivec.c deleted file mode 100644 index 792deb9..0000000 --- a/ffmpeg1/libswscale/ppc/yuv2yuv_altivec.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * AltiVec-enhanced yuv-to-yuv conversion routines. - * - * Copyright (C) 2004 Romain Dolbeau <romain@dolbeau.org> - * based on the equivalent C code in swscale.c - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <inttypes.h> - -#include "config.h" -#include "libswscale/swscale.h" -#include "libswscale/swscale_internal.h" -#include "libavutil/cpu.h" - -static int yv12toyuy2_unscaled_altivec(SwsContext *c, const uint8_t *src[], - int srcStride[], int srcSliceY, - int srcSliceH, uint8_t *dstParam[], - int dstStride_a[]) -{ - uint8_t *dst = dstParam[0] + dstStride_a[0] * srcSliceY; - // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, - // srcStride[0], srcStride[1], dstStride[0]); - const uint8_t *ysrc = src[0]; - const uint8_t *usrc = src[1]; - const uint8_t *vsrc = src[2]; - const int width = c->srcW; - const int height = srcSliceH; - const int lumStride = srcStride[0]; - const int chromStride = srcStride[1]; - const int dstStride = dstStride_a[0]; - const vector unsigned char yperm = vec_lvsl(0, ysrc); - const int vertLumPerChroma = 2; - register unsigned int y; - - /* This code assumes: - * - * 1) dst is 16 bytes-aligned - * 2) dstStride is a multiple of 16 - * 3) width is a multiple of 16 - * 4) lum & chrom stride are multiples of 8 - */ - - for (y = 0; y < height; y++) { - int i; - for (i = 0; i < width - 31; i += 32) { - const unsigned int j = i >> 1; - vector unsigned char v_yA = vec_ld(i, ysrc); - vector unsigned char v_yB = vec_ld(i + 16, ysrc); - vector unsigned char v_yC = vec_ld(i + 32, ysrc); - vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); - vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); - vector unsigned char v_uA = vec_ld(j, usrc); - vector unsigned char v_uB = vec_ld(j + 16, usrc); - vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); - vector unsigned char v_vA = vec_ld(j, vsrc); - vector unsigned char v_vB = vec_ld(j + 16, vsrc); - vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uv_b = vec_mergel(v_u, v_v); - vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); - vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); - vector unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b); - vector unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b); - vec_st(v_yuy2_0, (i << 1), dst); - vec_st(v_yuy2_1, (i << 1) + 16, dst); - vec_st(v_yuy2_2, (i << 1) + 32, dst); - vec_st(v_yuy2_3, (i << 1) + 48, dst); - } - if (i < width) { - const unsigned int j = i >> 1; - vector unsigned char v_y1 = vec_ld(i, ysrc); - vector unsigned char v_u = vec_ld(j, usrc); - vector unsigned char v_v = vec_ld(j, vsrc); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); - vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); - vec_st(v_yuy2_0, (i << 1), dst); - vec_st(v_yuy2_1, (i << 1) + 16, dst); - } - if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { - usrc += chromStride; - vsrc += chromStride; - } - ysrc += lumStride; - dst += dstStride; - } - - return srcSliceH; -} - -static int yv12touyvy_unscaled_altivec(SwsContext *c, const uint8_t *src[], - int srcStride[], int srcSliceY, - int srcSliceH, uint8_t *dstParam[], - int dstStride_a[]) -{ - uint8_t *dst = dstParam[0] + dstStride_a[0] * srcSliceY; - // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, - // srcStride[0], srcStride[1], dstStride[0]); - const uint8_t *ysrc = src[0]; - const uint8_t *usrc = src[1]; - const uint8_t *vsrc = src[2]; - const int width = c->srcW; - const int height = srcSliceH; - const int lumStride = srcStride[0]; - const int chromStride = srcStride[1]; - const int dstStride = dstStride_a[0]; - const int vertLumPerChroma = 2; - const vector unsigned char yperm = vec_lvsl(0, ysrc); - register unsigned int y; - - /* This code assumes: - * - * 1) dst is 16 bytes-aligned - * 2) dstStride is a multiple of 16 - * 3) width is a multiple of 16 - * 4) lum & chrom stride are multiples of 8 - */ - - for (y = 0; y < height; y++) { - int i; - for (i = 0; i < width - 31; i += 32) { - const unsigned int j = i >> 1; - vector unsigned char v_yA = vec_ld(i, ysrc); - vector unsigned char v_yB = vec_ld(i + 16, ysrc); - vector unsigned char v_yC = vec_ld(i + 32, ysrc); - vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); - vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); - vector unsigned char v_uA = vec_ld(j, usrc); - vector unsigned char v_uB = vec_ld(j + 16, usrc); - vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); - vector unsigned char v_vA = vec_ld(j, vsrc); - vector unsigned char v_vB = vec_ld(j + 16, vsrc); - vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uv_b = vec_mergel(v_u, v_v); - vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); - vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); - vector unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2); - vector unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2); - vec_st(v_uyvy_0, (i << 1), dst); - vec_st(v_uyvy_1, (i << 1) + 16, dst); - vec_st(v_uyvy_2, (i << 1) + 32, dst); - vec_st(v_uyvy_3, (i << 1) + 48, dst); - } - if (i < width) { - const unsigned int j = i >> 1; - vector unsigned char v_y1 = vec_ld(i, ysrc); - vector unsigned char v_u = vec_ld(j, usrc); - vector unsigned char v_v = vec_ld(j, vsrc); - vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); - vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); - vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); - vec_st(v_uyvy_0, (i << 1), dst); - vec_st(v_uyvy_1, (i << 1) + 16, dst); - } - if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) { - usrc += chromStride; - vsrc += chromStride; - } - ysrc += lumStride; - dst += dstStride; - } - return srcSliceH; -} - -void ff_swscale_get_unscaled_altivec(SwsContext *c) -{ - if ((av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) && !(c->srcW & 15) && - !(c->flags & SWS_BITEXACT) && c->srcFormat == AV_PIX_FMT_YUV420P) { - enum AVPixelFormat dstFormat = c->dstFormat; - - // unscaled YV12 -> packed YUV, we want speed - if (dstFormat == AV_PIX_FMT_YUYV422) - c->swScale = yv12toyuy2_unscaled_altivec; - else if (dstFormat == AV_PIX_FMT_UYVY422) - c->swScale = yv12touyvy_unscaled_altivec; - } -} |
