1 /*
2 * Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
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 "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/pixdesc.h"
25 #include "libavutil/x86/asm.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavcodec/huffyuvdsp.h"
28
29 void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
30 void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
31 void ff_add_int16_avx2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
32
33 void ff_add_hfyu_left_pred_bgr32_mmx(uint8_t *dst, const uint8_t *src,
34 intptr_t w, uint8_t *left);
35 void ff_add_hfyu_left_pred_bgr32_sse2(uint8_t *dst, const uint8_t *src,
36 intptr_t w, uint8_t *left);
37 void 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);
38
ff_huffyuvdsp_init_x86(HuffYUVDSPContext * c,enum AVPixelFormat pix_fmt)39 av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt)
40 {
41 int cpu_flags = av_get_cpu_flags();
42 const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
43
44 if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
45 c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_mmx;
46 c->add_int16 = ff_add_int16_mmx;
47 }
48
49 if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
50 c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
51 }
52
53 if (EXTERNAL_SSE2(cpu_flags)) {
54 c->add_int16 = ff_add_int16_sse2;
55 c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_sse2;
56 }
57
58 if (EXTERNAL_AVX2_FAST(cpu_flags)) {
59 c->add_int16 = ff_add_int16_avx2;
60 }
61 }
62