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96 lines
3.5 KiB
96 lines
3.5 KiB
/* |
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* audio resampling |
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* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* audio resampling |
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* @author Michael Niedermayer <michaelni@gmx.at> |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libswresample/resample.h" |
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#define RESAMPLE_FUNCS(type, opt) \ |
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int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \ |
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const void *src, int sz, int upd); \ |
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int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \ |
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const void *src, int sz, int upd) |
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RESAMPLE_FUNCS(int16, sse2); |
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RESAMPLE_FUNCS(int16, xop); |
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RESAMPLE_FUNCS(float, sse); |
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RESAMPLE_FUNCS(float, avx); |
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RESAMPLE_FUNCS(float, fma3); |
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RESAMPLE_FUNCS(float, fma4); |
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RESAMPLE_FUNCS(double, sse2); |
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RESAMPLE_FUNCS(double, avx); |
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RESAMPLE_FUNCS(double, fma3); |
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av_cold void swri_resample_dsp_x86_init(ResampleContext *c) |
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{ |
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int av_unused mm_flags = av_get_cpu_flags(); |
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switch(c->format){ |
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case AV_SAMPLE_FMT_S16P: |
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if (EXTERNAL_SSE2(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_int16_sse2; |
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c->dsp.resample_common = ff_resample_common_int16_sse2; |
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} |
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if (EXTERNAL_XOP(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_int16_xop; |
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c->dsp.resample_common = ff_resample_common_int16_xop; |
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} |
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break; |
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case AV_SAMPLE_FMT_FLTP: |
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if (EXTERNAL_SSE(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_float_sse; |
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c->dsp.resample_common = ff_resample_common_float_sse; |
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} |
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if (EXTERNAL_AVX_FAST(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_float_avx; |
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c->dsp.resample_common = ff_resample_common_float_avx; |
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} |
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if (EXTERNAL_FMA3_FAST(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_float_fma3; |
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c->dsp.resample_common = ff_resample_common_float_fma3; |
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} |
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if (EXTERNAL_FMA4(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_float_fma4; |
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c->dsp.resample_common = ff_resample_common_float_fma4; |
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} |
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break; |
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case AV_SAMPLE_FMT_DBLP: |
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if (EXTERNAL_SSE2(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_double_sse2; |
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c->dsp.resample_common = ff_resample_common_double_sse2; |
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} |
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if (EXTERNAL_AVX_FAST(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_double_avx; |
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c->dsp.resample_common = ff_resample_common_double_avx; |
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} |
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if (EXTERNAL_FMA3_FAST(mm_flags)) { |
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c->dsp.resample_linear = ff_resample_linear_double_fma3; |
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c->dsp.resample_common = ff_resample_common_double_fma3; |
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} |
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break; |
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} |
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}
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