| 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_LLAUDDSP_H |
| 24 | #define AVCODEC_LLAUDDSP_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 8 |
| 33 | */ |
| 34 | int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */, |
| 35 | const int16_t *v2, |
| 36 | const int16_t *v3, |
| 37 | int len, int mul); |
| 38 | } LLAudDSPContext; |
| 39 | |
| 40 | void ff_llauddsp_init(LLAudDSPContext *c); |
| 41 | void ff_llauddsp_init_arm(LLAudDSPContext *c); |
| 42 | void ff_llauddsp_init_ppc(LLAudDSPContext *c); |
| 43 | void ff_llauddsp_init_x86(LLAudDSPContext *c); |
| 44 | |
| 45 | #endif /* AVCODEC_LLAUDDSP_H */ |