blob: eea5d49fa9ba08dd80fb69a861406f41baeb0569
1 | /* |
2 | * Monkey's Audio lossless audio decoder |
3 | * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org> |
4 | * based upon libdemac from Dave Chapman. |
5 | * |
6 | * This file is part of FFmpeg. |
7 | * |
8 | * FFmpeg is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public |
10 | * License as published by the Free Software Foundation; either |
11 | * version 2.1 of the License, or (at your option) any later version. |
12 | * |
13 | * FFmpeg is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with FFmpeg; if not, write to the Free Software |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
21 | */ |
22 | |
23 | #ifndef AVCODEC_LOSSLESS_AUDIODSP_H |
24 | #define AVCODEC_LOSSLESS_AUDIODSP_H |
25 | |
26 | #include <stdint.h> |
27 | |
28 | typedef struct LLAudDSPContext { |
29 | /** |
30 | * Calculate scalar product of v1 and v2, |
31 | * and v1[i] += v3[i] * mul |
32 | * @param len length of vectors, should be multiple of 16, |
33 | * or padd v3 and v1 or v2 with zeros. |
34 | */ |
35 | int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */, |
36 | const int16_t *v2, |
37 | const int16_t *v3, |
38 | int len, int mul); |
39 | |
40 | int32_t (*scalarproduct_and_madd_int32)(int16_t *v1 /* align 16 */, |
41 | const int32_t *v2, |
42 | const int16_t *v3, |
43 | int len, int mul); |
44 | } LLAudDSPContext; |
45 | |
46 | void ff_llauddsp_init(LLAudDSPContext *c); |
47 | void ff_llauddsp_init_arm(LLAudDSPContext *c); |
48 | void ff_llauddsp_init_ppc(LLAudDSPContext *c); |
49 | void ff_llauddsp_init_x86(LLAudDSPContext *c); |
50 | |
51 | #endif /* AVCODEC_LOSSLESS_AUDIODSP_H */ |
52 |