| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "libavutil/attributes.h" | ||
| 22 | #include "libavutil/cpu.h" | ||
| 23 | #include "libavutil/x86/cpu.h" | ||
| 24 | #include "libavcodec/synth_filter.h" | ||
| 25 | |||
| 26 | #define SYNTH_FILTER_FUNC(opt) \ | ||
| 27 | void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ | ||
| 28 | const float window[512], \ | ||
| 29 | float out[32], intptr_t offset, float scale); \ | ||
| 30 | static void synth_filter_##opt(AVTXContext *imdct, \ | ||
| 31 | float *synth_buf_ptr, int *synth_buf_offset, \ | ||
| 32 | float synth_buf2[32], const float window[512], \ | ||
| 33 | float out[32], float in[32], float scale, \ | ||
| 34 | av_tx_fn imdct_fn) \ | ||
| 35 | { \ | ||
| 36 | float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ | ||
| 37 | \ | ||
| 38 | imdct_fn(imdct, synth_buf, in, sizeof(float)); \ | ||
| 39 | \ | ||
| 40 | ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ | ||
| 41 | out, *synth_buf_offset, scale); \ | ||
| 42 | \ | ||
| 43 | *synth_buf_offset = (*synth_buf_offset - 32) & 511; \ | ||
| 44 | } \ | ||
| 45 | |||
| 46 | #if HAVE_X86ASM | ||
| 47 | 40 | SYNTH_FILTER_FUNC(sse2) | |
| 48 | 40 | SYNTH_FILTER_FUNC(avx) | |
| 49 | 20 | SYNTH_FILTER_FUNC(fma3) | |
| 50 | #endif /* HAVE_X86ASM */ | ||
| 51 | |||
| 52 | 112 | av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) | |
| 53 | { | ||
| 54 | #if HAVE_X86ASM | ||
| 55 | 112 | int cpu_flags = av_get_cpu_flags(); | |
| 56 | |||
| 57 |
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112 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 58 | 9 | s->synth_filter_float = synth_filter_sse2; | |
| 59 | } | ||
| 60 |
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112 | if (EXTERNAL_AVX_FAST(cpu_flags)) { |
| 61 | 3 | s->synth_filter_float = synth_filter_avx; | |
| 62 | } | ||
| 63 |
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112 | if (EXTERNAL_FMA3_FAST(cpu_flags)) { |
| 64 | 2 | s->synth_filter_float = synth_filter_fma3; | |
| 65 | } | ||
| 66 | #endif /* HAVE_X86ASM */ | ||
| 67 | 112 | } | |
| 68 |