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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Copyright (c) 2012-2014 Christophe Gisquet |
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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/attributes.h" |
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| 22 | #include "libavutil/cpu.h" |
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| 23 | #include "libavutil/x86/cpu.h" |
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| 24 | #include "libavcodec/dcadsp.h" |
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| 25 | |||
| 26 | void ff_decode_hf_sse(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
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| 27 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
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| 28 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
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| 29 | void ff_decode_hf_sse2(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
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| 30 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
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| 31 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
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| 32 | void ff_decode_hf_sse4(float dst[DCA_SUBBANDS][8], const int vq_num[DCA_SUBBANDS], |
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| 33 | const int8_t hf_vq[1024][32], intptr_t vq_offset, |
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| 34 | int scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end); |
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| 35 | void ff_dca_lfe_fir0_sse(float *out, const float *in, const float *coefs); |
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| 36 | void ff_dca_lfe_fir1_sse(float *out, const float *in, const float *coefs); |
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| 37 | void ff_dca_lfe_fir0_fma3(float *out, const float *in, const float *coefs); |
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| 38 | |||
| 39 | av_cold void ff_dcadsp_init_x86(DCADSPContext *s) |
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| 40 | { |
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| 41 | int cpu_flags = av_get_cpu_flags(); |
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| 42 | |||
| 43 | if (EXTERNAL_SSE(cpu_flags)) { |
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| 44 | #if ARCH_X86_32 |
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| 45 | s->decode_hf = ff_decode_hf_sse; |
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| 46 | #endif |
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| 47 | s->lfe_fir[0] = ff_dca_lfe_fir0_sse; |
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| 48 | s->lfe_fir[1] = ff_dca_lfe_fir1_sse; |
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| 49 | } |
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| 50 | |||
| 51 | if (EXTERNAL_SSE2(cpu_flags)) { |
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| 52 | s->decode_hf = ff_decode_hf_sse2; |
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| 53 | } |
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| 54 | |||
| 55 | if (EXTERNAL_SSE4(cpu_flags)) { |
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| 56 | s->decode_hf = ff_decode_hf_sse4; |
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| 57 | } |
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| 58 | |||
| 59 | if (EXTERNAL_FMA3(cpu_flags)) { |
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| 60 | s->lfe_fir[0] = ff_dca_lfe_fir0_fma3; |
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| 61 | } |
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| 62 | } |
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| 63 | |||
| 64 | |||
| 65 | #define SYNTH_FILTER_FUNC(opt) \ |
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| 66 | void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ |
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| 67 | const float window[512], \ |
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| 68 | float out[32], intptr_t offset, float scale); \ |
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| 69 | static void synth_filter_##opt(FFTContext *imdct, \ |
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| 70 | float *synth_buf_ptr, int *synth_buf_offset, \ |
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| 71 | float synth_buf2[32], const float window[512], \ |
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| 72 | float out[32], const float in[32], float scale) \ |
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| 73 | { \ |
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| 74 | float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ |
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| 75 | \ |
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| 76 | imdct->imdct_half(imdct, synth_buf, in); \ |
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| 77 | \ |
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| 78 | ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ |
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| 79 | out, *synth_buf_offset, scale); \ |
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| 80 | \ |
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| 81 | *synth_buf_offset = (*synth_buf_offset - 32) & 511; \ |
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| 82 | } \ |
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| 83 | |||
| 84 | #if HAVE_YASM |
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| 85 | #if ARCH_X86_32 |
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| 86 | SYNTH_FILTER_FUNC(sse) |
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| 87 | #endif |
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| 88 | SYNTH_FILTER_FUNC(sse2) |
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| 89 | SYNTH_FILTER_FUNC(avx) |
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| 90 | SYNTH_FILTER_FUNC(fma3) |
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| 91 | #endif /* HAVE_YASM */ |
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| 92 | |||
| 93 | av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) |
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| 94 | { |
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| 95 | #if HAVE_YASM |
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| 96 | int cpu_flags = av_get_cpu_flags(); |
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| 97 | |||
| 98 | #if ARCH_X86_32 |
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| 99 | if (EXTERNAL_SSE(cpu_flags)) { |
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| 100 | s->synth_filter_float = synth_filter_sse; |
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| 101 | } |
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| 102 | #endif |
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| 103 | if (EXTERNAL_SSE2(cpu_flags)) { |
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| 104 | s->synth_filter_float = synth_filter_sse2; |
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| 105 | } |
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| 106 | if (EXTERNAL_AVX_FAST(cpu_flags)) { |
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| 107 | s->synth_filter_float = synth_filter_avx; |
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| 108 | } |
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| 109 | if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) { |
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| 110 | s->synth_filter_float = synth_filter_fma3; |
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| 111 | } |
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| 112 | #endif /* HAVE_YASM */ |
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| 113 | } |