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 "config.h"
22#include "../lossless_videodsp.h"
23#include "libavutil/x86/cpu.h"
24
25void ff_add_bytes_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
26void ff_add_bytes_avx2(uint8_t *dst, uint8_t *src, ptrdiff_t w);
27
28void ff_add_median_pred_sse2(uint8_t *dst, const uint8_t *top,
29                             const uint8_t *diff, ptrdiff_t w,
30                             int *left, int *left_top);
31
32int  ff_add_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
33                            ptrdiff_t w, int left);
34int  ff_add_left_pred_unaligned_ssse3(uint8_t *dst, const uint8_t *src,
35                                      ptrdiff_t w, int left);
36int  ff_add_left_pred_unaligned_avx2(uint8_t *dst, const uint8_t *src,
37                                     ptrdiff_t w, int left);
38
39int ff_add_left_pred_int16_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
40int ff_add_left_pred_int16_unaligned_ssse3(uint16_t *dst, const uint16_t *src, unsigned mask, ptrdiff_t w, unsigned acc);
41
42void ff_add_gradient_pred_ssse3(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
43void ff_add_gradient_pred_avx2(uint8_t *src, const ptrdiff_t stride, const ptrdiff_t width);
44
45void ff_llviddsp_init_x86(LLVidDSPContext *c)
46{
47    int cpu_flags = av_get_cpu_flags();
48
49    if (EXTERNAL_SSE2(cpu_flags)) {
50        c->add_bytes       = ff_add_bytes_sse2;
51        c->add_median_pred = ff_add_median_pred_sse2;
52    }
53
54    if (EXTERNAL_SSSE3(cpu_flags)) {
55        c->add_left_pred = ff_add_left_pred_ssse3;
56        c->add_left_pred_int16 = ff_add_left_pred_int16_ssse3;
57        c->add_gradient_pred   = ff_add_gradient_pred_ssse3;
58    }
59
60    if (EXTERNAL_SSSE3_FAST(cpu_flags)) {
61        c->add_left_pred = ff_add_left_pred_unaligned_ssse3;
62        c->add_left_pred_int16 = ff_add_left_pred_int16_unaligned_ssse3;
63    }
64
65    if (EXTERNAL_AVX2_FAST(cpu_flags)) {
66        c->add_bytes       = ff_add_bytes_avx2;
67        c->add_left_pred   = ff_add_left_pred_unaligned_avx2;
68        c->add_gradient_pred = ff_add_gradient_pred_avx2;
69    }
70}
71