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1 | /* | ||
2 | * SVQ1 encoder DSP | ||
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 | #ifndef AVCODEC_SVQ1ENCDSP_H | ||
22 | #define AVCODEC_SVQ1ENCDSP_H | ||
23 | |||
24 | #include <stdint.h> | ||
25 | |||
26 | #include "config.h" | ||
27 | |||
28 | typedef struct SVQ1EncDSPContext { | ||
29 | int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, | ||
30 | intptr_t size); | ||
31 | } SVQ1EncDSPContext; | ||
32 | |||
33 | void ff_svq1enc_init_ppc(SVQ1EncDSPContext *c); | ||
34 | void ff_svq1enc_init_riscv(SVQ1EncDSPContext *c); | ||
35 | void ff_svq1enc_init_x86(SVQ1EncDSPContext *c); | ||
36 | |||
37 | 393187587 | static int ssd_int8_vs_int16_c(const int8_t *pix1, const int16_t *pix2, | |
38 | intptr_t size) | ||
39 | { | ||
40 | 393187587 | int score = 0; | |
41 | |||
42 |
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7128057603 | for (intptr_t i = 0; i < size; i++) |
43 | 6734870016 | score += (pix1[i] - pix2[i]) * (pix1[i] - pix2[i]); | |
44 | 393187587 | return score; | |
45 | } | ||
46 | |||
47 | 17 | static inline void ff_svq1enc_init(SVQ1EncDSPContext *c) | |
48 | { | ||
49 | 17 | c->ssd_int8_vs_int16 = ssd_int8_vs_int16_c; | |
50 | |||
51 | #if ARCH_PPC | ||
52 | ff_svq1enc_init_ppc(c); | ||
53 | #elif ARCH_RISCV | ||
54 | ff_svq1enc_init_riscv(c); | ||
55 | #elif ARCH_X86 | ||
56 | 17 | ff_svq1enc_init_x86(c); | |
57 | #endif | ||
58 | 17 | } | |
59 | |||
60 | #endif /* AVCODEC_SVQ1ENCDSP_H */ | ||
61 |