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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6148 | serge | 1 | /* |
| 2 | * Copyright (c) 2012 Michael Niedermayer |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "libavutil/x86/asm.h" |
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| 22 | #include "libavutil/cpu.h" |
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| 23 | #include "libswresample/swresample_internal.h" |
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| 24 | |||
| 25 | int swri_resample_int16_mmx2 (struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx); |
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| 26 | int swri_resample_int16_ssse3(struct ResampleContext *c, int16_t *dst, const int16_t *src, int *consumed, int src_size, int dst_size, int update_ctx); |
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| 27 | |||
| 28 | DECLARE_ALIGNED(16, const uint64_t, ff_resample_int16_rounder)[2] = { 0x0000000000004000ULL, 0x0000000000000000ULL}; |
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| 29 | |||
| 30 | #define COMMON_CORE_INT16_MMX2 \ |
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| 31 | x86_reg len= -2*c->filter_length;\ |
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| 32 | __asm__ volatile(\ |
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| 33 | "movq "MANGLE(ff_resample_int16_rounder)", %%mm0 \n\t"\ |
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| 34 | "1: \n\t"\ |
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| 35 | "movq (%1, %0), %%mm1 \n\t"\ |
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| 36 | "pmaddwd (%2, %0), %%mm1 \n\t"\ |
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| 37 | "paddd %%mm1, %%mm0 \n\t"\ |
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| 38 | "add $8, %0 \n\t"\ |
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| 39 | " js 1b \n\t"\ |
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| 40 | "pshufw $0x0E, %%mm0, %%mm1 \n\t"\ |
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| 41 | "paddd %%mm1, %%mm0 \n\t"\ |
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| 42 | "psrad $15, %%mm0 \n\t"\ |
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| 43 | "packssdw %%mm0, %%mm0 \n\t"\ |
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| 44 | "movd %%mm0, (%3) \n\t"\ |
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| 45 | : "+r" (len)\ |
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| 46 | : "r" (((uint8_t*)(src+sample_index))-len),\ |
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| 47 | "r" (((uint8_t*)filter)-len),\ |
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| 48 | "r" (dst+dst_index)\ |
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| 49 | ); |
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| 50 | |||
| 51 | #define COMMON_CORE_INT16_SSSE3 \ |
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| 52 | x86_reg len= -2*c->filter_length;\ |
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| 53 | __asm__ volatile(\ |
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| 54 | "movdqa "MANGLE(ff_resample_int16_rounder)", %%xmm0 \n\t"\ |
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| 55 | "1: \n\t"\ |
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| 56 | "movdqu (%1, %0), %%xmm1 \n\t"\ |
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| 57 | "pmaddwd (%2, %0), %%xmm1 \n\t"\ |
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| 58 | "paddd %%xmm1, %%xmm0 \n\t"\ |
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| 59 | "add $16, %0 \n\t"\ |
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| 60 | " js 1b \n\t"\ |
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| 61 | "phaddd %%xmm0, %%xmm0 \n\t"\ |
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| 62 | "phaddd %%xmm0, %%xmm0 \n\t"\ |
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| 63 | "psrad $15, %%xmm0 \n\t"\ |
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| 64 | "packssdw %%xmm0, %%xmm0 \n\t"\ |
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| 65 | "movd %%xmm0, (%3) \n\t"\ |
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| 66 | : "+r" (len)\ |
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| 67 | : "r" (((uint8_t*)(src+sample_index))-len),\ |
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| 68 | "r" (((uint8_t*)filter)-len),\ |
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| 69 | "r" (dst+dst_index)\ |
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| 70 | ); |