1 /*
2 * Copyright (c) 2009 David Conrad <lessen42@gmail.com>
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 <stdint.h>
22
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/avcodec.h"
27 #include "libavcodec/vp3dsp.h"
28
29 void ff_vp3_idct_put_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
30 void ff_vp3_idct_add_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
31
32 void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, ptrdiff_t stride, int16_t *block);
33
34 void ff_vp3_v_loop_filter_mmxext(uint8_t *src, ptrdiff_t stride,
35 int *bounding_values);
36 void ff_vp3_h_loop_filter_mmxext(uint8_t *src, ptrdiff_t stride,
37 int *bounding_values);
38
39 void ff_put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a,
40 const uint8_t *b, ptrdiff_t stride,
41 int h);
42
ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)43 av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
44 {
45 int cpu_flags = av_get_cpu_flags();
46
47 if (EXTERNAL_MMX(cpu_flags)) {
48 c->put_no_rnd_pixels_l2 = ff_put_vp_no_rnd_pixels8_l2_mmx;
49 }
50
51 if (EXTERNAL_MMXEXT(cpu_flags)) {
52 c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
53
54 if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
55 c->v_loop_filter = c->v_loop_filter_unaligned = ff_vp3_v_loop_filter_mmxext;
56 c->h_loop_filter = c->v_loop_filter_unaligned = ff_vp3_h_loop_filter_mmxext;
57 }
58 }
59
60 if (EXTERNAL_SSE2(cpu_flags)) {
61 c->idct_put = ff_vp3_idct_put_sse2;
62 c->idct_add = ff_vp3_idct_add_sse2;
63 }
64 }
65