| /* |
| * Monkey's Audio lossless audio decoder |
| * Copyright (c) 2007 Benjamin Zores <ben@geexbox.org> |
| * based upon libdemac from Dave Chapman. |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_LOSSLESS_AUDIODSP_H |
| #define AVCODEC_LOSSLESS_AUDIODSP_H |
| |
| #include <stdint.h> |
| |
| typedef struct LLAudDSPContext { |
| /** |
| * Calculate scalar product of v1 and v2, |
| * and v1[i] += v3[i] * mul |
| * @param len length of vectors, should be multiple of 16, |
| * or padd v3 and v1 or v2 with zeros. |
| */ |
| int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */, |
| const int16_t *v2, |
| const int16_t *v3, |
| int len, int mul); |
| |
| int32_t (*scalarproduct_and_madd_int32)(int16_t *v1 /* align 16 */, |
| const int32_t *v2, |
| const int16_t *v3, |
| int len, int mul); |
| } LLAudDSPContext; |
| |
| void ff_llauddsp_init(LLAudDSPContext *c); |
| void ff_llauddsp_init_arm(LLAudDSPContext *c); |
| void ff_llauddsp_init_ppc(LLAudDSPContext *c); |
| void ff_llauddsp_init_x86(LLAudDSPContext *c); |
| |
| #endif /* AVCODEC_LOSSLESS_AUDIODSP_H */ |
