| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 | #include "config.h" | ||
| 24 | #include "libavutil/attributes.h" | ||
| 25 | #include "lossless_audiodsp.h" | ||
| 26 | |||
| 27 | 3111939 | static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2, | |
| 28 | const int16_t *v3, | ||
| 29 | int order, int mul) | ||
| 30 | { | ||
| 31 | 3111939 | unsigned res = 0; | |
| 32 | |||
| 33 | do { | ||
| 34 | 67438176 | res += *v1 * *v2++; | |
| 35 | 67438176 | *v1++ += mul * *v3++; | |
| 36 | 67438176 | res += *v1 * *v2++; | |
| 37 | 67438176 | *v1++ += mul * *v3++; | |
| 38 |
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67438176 | } while (order-=2); |
| 39 | 3111939 | return res; | |
| 40 | } | ||
| 41 | |||
| 42 | 208899 | static int32_t scalarproduct_and_madd_int32_c(int16_t *v1, const int32_t *v2, | |
| 43 | const int16_t *v3, | ||
| 44 | int order, int mul) | ||
| 45 | { | ||
| 46 | 208899 | int res = 0; | |
| 47 | |||
| 48 | do { | ||
| 49 | 984672 | res += *v1 * (uint32_t)*v2++; | |
| 50 | 984672 | *v1++ += mul * *v3++; | |
| 51 | 984672 | res += *v1 * (uint32_t)*v2++; | |
| 52 | 984672 | *v1++ += mul * *v3++; | |
| 53 |
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984672 | } while (order-=2); |
| 54 | 208899 | return res; | |
| 55 | } | ||
| 56 | |||
| 57 | 50 | av_cold void ff_llauddsp_init(LLAudDSPContext *c) | |
| 58 | { | ||
| 59 | 50 | c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c; | |
| 60 | 50 | c->scalarproduct_and_madd_int32 = scalarproduct_and_madd_int32_c; | |
| 61 | |||
| 62 | #if ARCH_ARM | ||
| 63 | ff_llauddsp_init_arm(c); | ||
| 64 | #elif ARCH_PPC | ||
| 65 | ff_llauddsp_init_ppc(c); | ||
| 66 | #elif ARCH_RISCV | ||
| 67 | ff_llauddsp_init_riscv(c); | ||
| 68 | #elif ARCH_X86 | ||
| 69 | 50 | ff_llauddsp_init_x86(c); | |
| 70 | #endif | ||
| 71 | 50 | } | |
| 72 |