diff options
Diffstat (limited to 'ffmpeg1/libavcodec/diracdsp.c')
| -rw-r--r-- | ffmpeg1/libavcodec/diracdsp.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/ffmpeg1/libavcodec/diracdsp.c b/ffmpeg1/libavcodec/diracdsp.c deleted file mode 100644 index 429241d..0000000 --- a/ffmpeg1/libavcodec/diracdsp.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright (C) 2009 David Conrad - * - * 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 "dsputil.h" -#include "diracdsp.h" -#include "libavcodec/x86/diracdsp_mmx.h" - -#define FILTER(src, stride) \ - ((21*((src)[ 0*stride] + (src)[1*stride]) \ - -7*((src)[-1*stride] + (src)[2*stride]) \ - +3*((src)[-2*stride] + (src)[3*stride]) \ - -1*((src)[-3*stride] + (src)[4*stride]) + 16) >> 5) - -static void dirac_hpel_filter(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, - int stride, int width, int height) -{ - int x, y; - - for (y = 0; y < height; y++) { - for (x = -3; x < width+5; x++) - dstv[x] = av_clip_uint8(FILTER(src+x, stride)); - - for (x = 0; x < width; x++) - dstc[x] = av_clip_uint8(FILTER(dstv+x, 1)); - - for (x = 0; x < width; x++) - dsth[x] = av_clip_uint8(FILTER(src+x, 1)); - - src += stride; - dsth += stride; - dstv += stride; - dstc += stride; - } -} - -#define PIXOP_BILINEAR(PFX, OP, WIDTH) \ - static void ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c(uint8_t *dst, const uint8_t *src[5], int stride, int h) \ - { \ - int x; \ - const uint8_t *s0 = src[0]; \ - const uint8_t *s1 = src[1]; \ - const uint8_t *s2 = src[2]; \ - const uint8_t *s3 = src[3]; \ - const uint8_t *w = src[4]; \ - \ - while (h--) { \ - for (x = 0; x < WIDTH; x++) { \ - OP(dst[x], (s0[x]*w[0] + s1[x]*w[1] + s2[x]*w[2] + s3[x]*w[3] + 8) >> 4); \ - } \ - \ - dst += stride; \ - s0 += stride; \ - s1 += stride; \ - s2 += stride; \ - s3 += stride; \ - } \ - } - -#define OP_PUT(dst, val) (dst) = (val) -#define OP_AVG(dst, val) (dst) = (((dst) + (val) + 1)>>1) - -PIXOP_BILINEAR(put, OP_PUT, 8) -PIXOP_BILINEAR(put, OP_PUT, 16) -PIXOP_BILINEAR(put, OP_PUT, 32) -PIXOP_BILINEAR(avg, OP_AVG, 8) -PIXOP_BILINEAR(avg, OP_AVG, 16) -PIXOP_BILINEAR(avg, OP_AVG, 32) - -#define op_scale1(x) block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom) -#define op_scale2(x) dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom) - -#define DIRAC_WEIGHT(W) \ - static void weight_dirac_pixels ## W ## _c(uint8_t *block, int stride, int log2_denom, \ - int weight, int h) { \ - int x; \ - while (h--) { \ - for (x = 0; x < W; x++) { \ - op_scale1(x); \ - op_scale1(x+1); \ - } \ - block += stride; \ - } \ - } \ - static void biweight_dirac_pixels ## W ## _c(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, \ - int weightd, int weights, int h) { \ - int x; \ - while (h--) { \ - for (x = 0; x < W; x++) { \ - op_scale2(x); \ - op_scale2(x+1); \ - } \ - dst += stride; \ - src += stride; \ - } \ - } - -DIRAC_WEIGHT(8) -DIRAC_WEIGHT(16) -DIRAC_WEIGHT(32) - -#define ADD_OBMC(xblen) \ - static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, int stride, \ - const uint8_t *obmc_weight, int yblen) \ - { \ - int x; \ - while (yblen--) { \ - for (x = 0; x < xblen; x += 2) { \ - dst[x ] += src[x ] * obmc_weight[x ]; \ - dst[x+1] += src[x+1] * obmc_weight[x+1]; \ - } \ - dst += stride; \ - src += stride; \ - obmc_weight += 32; \ - } \ - } - -ADD_OBMC(8) -ADD_OBMC(16) -ADD_OBMC(32) - -static void put_signed_rect_clamped_c(uint8_t *dst, int dst_stride, const int16_t *src, int src_stride, int width, int height) -{ - int x, y; - for (y = 0; y < height; y++) { - for (x = 0; x < width; x+=4) { - dst[x ] = av_clip_uint8(src[x ] + 128); - dst[x+1] = av_clip_uint8(src[x+1] + 128); - dst[x+2] = av_clip_uint8(src[x+2] + 128); - dst[x+3] = av_clip_uint8(src[x+3] + 128); - } - dst += dst_stride; - src += src_stride; - } -} - -static void add_rect_clamped_c(uint8_t *dst, const uint16_t *src, int stride, - const int16_t *idwt, int idwt_stride, - int width, int height) -{ - int x, y; - - for (y = 0; y < height; y++) { - for (x = 0; x < width; x+=2) { - dst[x ] = av_clip_uint8(((src[x ]+32)>>6) + idwt[x ]); - dst[x+1] = av_clip_uint8(((src[x+1]+32)>>6) + idwt[x+1]); - } - dst += stride; - src += stride; - idwt += idwt_stride; - } -} - -#define PIXFUNC(PFX, WIDTH) \ - c->PFX ## _dirac_pixels_tab[WIDTH>>4][0] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _c; \ - c->PFX ## _dirac_pixels_tab[WIDTH>>4][1] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l2_c; \ - c->PFX ## _dirac_pixels_tab[WIDTH>>4][2] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l4_c; \ - c->PFX ## _dirac_pixels_tab[WIDTH>>4][3] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c - -void ff_diracdsp_init(DiracDSPContext *c) -{ - c->dirac_hpel_filter = dirac_hpel_filter; - c->add_rect_clamped = add_rect_clamped_c; - c->put_signed_rect_clamped = put_signed_rect_clamped_c; - - c->add_dirac_obmc[0] = add_obmc8_c; - c->add_dirac_obmc[1] = add_obmc16_c; - c->add_dirac_obmc[2] = add_obmc32_c; - - c->weight_dirac_pixels_tab[0] = weight_dirac_pixels8_c; - c->weight_dirac_pixels_tab[1] = weight_dirac_pixels16_c; - c->weight_dirac_pixels_tab[2] = weight_dirac_pixels32_c; - c->biweight_dirac_pixels_tab[0] = biweight_dirac_pixels8_c; - c->biweight_dirac_pixels_tab[1] = biweight_dirac_pixels16_c; - c->biweight_dirac_pixels_tab[2] = biweight_dirac_pixels32_c; - - PIXFUNC(put, 8); - PIXFUNC(put, 16); - PIXFUNC(put, 32); - PIXFUNC(avg, 8); - PIXFUNC(avg, 16); - PIXFUNC(avg, 32); - - if (HAVE_MMX && HAVE_YASM) ff_diracdsp_init_mmx(c); -} |
