| 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/dcadsp.h" |
| 25 | |
| 26 | void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
| 27 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
| 28 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
| 29 | void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
| 30 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
| 31 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
| 32 | void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
| 33 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
| 34 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
| 35 | void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs); |
| 36 | void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs); |
| 37 | void ff_dca_lfe_fir0_fma3(float *out, const float *in, const float *coefs); |
| 38 | |
| 39 | av_cold void ff_dcadsp_init_x86(DCADSPContext *s) |
| 40 | { |
| 41 | int cpu_flags = av_get_cpu_flags(); |
| 42 | |
| 43 | if (EXTERNAL_SSE(cpu_flags)) { |
| 44 | #if ARCH_X86_32 |
| 45 | s->decode_hf = ff_decode_hf_sse; |
| 46 | #endif |
| 47 | s->lfe_fir[0] = ff_dca_lfe_fir0_sse; |
| 48 | s->lfe_fir[1] = ff_dca_lfe_fir1_sse; |
| 49 | } |
| 50 | |
| 51 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 52 | s->decode_hf = ff_decode_hf_sse2; |
| 53 | } |
| 54 | |
| 55 | if (EXTERNAL_SSE4(cpu_flags)) { |
| 56 | s->decode_hf = ff_decode_hf_sse4; |
| 57 | } |
| 58 | |
| 59 | if (EXTERNAL_FMA3(cpu_flags)) { |
| 60 | s->lfe_fir[0] = ff_dca_lfe_fir0_fma3; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | |
| 65 | #define SYNTH_FILTER_FUNC(opt) \ |
| 66 | void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ |
| 67 | const float window[512], \ |
| 68 | float out[32], intptr_t offset, float scale); \ |
| 69 | static void synth_filter_##opt(FFTContext *imdct, \ |
| 70 | float *synth_buf_ptr, int *synth_buf_offset, \ |
| 71 | float synth_buf2[32], const float window[512], \ |
| 72 | float out[32], const float in[32], float scale) \ |
| 73 | { \ |
| 74 | float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ |
| 75 | \ |
| 76 | imdct->imdct_half(imdct, synth_buf, in); \ |
| 77 | \ |
| 78 | ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ |
| 79 | out, *synth_buf_offset, scale); \ |
| 80 | \ |
| 81 | *synth_buf_offset = (*synth_buf_offset - 32) & 511; \ |
| 82 | } \ |
| 83 | |
| 84 | #if HAVE_YASM |
| 85 | #if ARCH_X86_32 |
| 86 | SYNTH_FILTER_FUNC(sse) |
| 87 | #endif |
| 88 | SYNTH_FILTER_FUNC(sse2) |
| 89 | SYNTH_FILTER_FUNC(avx) |
| 90 | SYNTH_FILTER_FUNC(fma3) |
| 91 | #endif /* HAVE_YASM */ |
| 92 | |
| 93 | av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) |
| 94 | { |
| 95 | #if HAVE_YASM |
| 96 | int cpu_flags = av_get_cpu_flags(); |
| 97 | |
| 98 | #if ARCH_X86_32 |
| 99 | if (EXTERNAL_SSE(cpu_flags)) { |
| 100 | s->synth_filter_float = synth_filter_sse; |
| 101 | } |
| 102 | #endif |
| 103 | if (EXTERNAL_SSE2(cpu_flags)) { |
| 104 | s->synth_filter_float = synth_filter_sse2; |
| 105 | } |
| 106 | if (EXTERNAL_AVX(cpu_flags)) { |
| 107 | s->synth_filter_float = synth_filter_avx; |
| 108 | } |
| 109 | if (EXTERNAL_FMA3(cpu_flags)) { |
| 110 | s->synth_filter_float = synth_filter_fma3; |
| 111 | } |
| 112 | #endif /* HAVE_YASM */ |
| 113 | } |