1/*
2 * Lossless video DSP utils
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "../lossless_videodsp.h"
22#include "libavutil/pixdesc.h"
23#include "libavutil/x86/cpu.h"
24
25void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
26void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
27void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
28void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w);
29int ff_add_hfyu_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
30int ff_add_hfyu_left_pred_int16_sse4(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned acc);
31void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
32void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
33
34
35void ff_llviddsp_init_x86(LLVidDSPContext *c, AVCodecContext *avctx)
36{
37    int cpu_flags = av_get_cpu_flags();
38    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
39
40    if (EXTERNAL_MMX(cpu_flags)) {
41        c->add_int16 = ff_add_int16_mmx;
42        c->diff_int16 = ff_diff_int16_mmx;
43    }
44
45    if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc->comp[0].depth_minus1<15) {
46        c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
47        c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext;
48    }
49
50    if (EXTERNAL_SSE2(cpu_flags)) {
51        c->add_int16 = ff_add_int16_sse2;
52        c->diff_int16 = ff_diff_int16_sse2;
53    }
54
55    if (EXTERNAL_SSSE3(cpu_flags)) {
56        c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_ssse3;
57    }
58
59    if (EXTERNAL_SSE4(cpu_flags)) {
60        c->add_hfyu_left_pred_int16 = ff_add_hfyu_left_pred_int16_sse4;
61    }
62}
63