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Diffstat (limited to 'libswresample/x86/resample_init.c')
-rw-r--r-- | libswresample/x86/resample_init.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/libswresample/x86/resample_init.c b/libswresample/x86/resample_init.c new file mode 100644 index 0000000..99f5e14 --- /dev/null +++ b/libswresample/x86/resample_init.c @@ -0,0 +1,90 @@ +/* + * audio resampling + * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * audio resampling + * @author Michael Niedermayer <michaelni@gmx.at> + */ + +#include "libavutil/x86/cpu.h" +#include "libswresample/resample.h" + +#define RESAMPLE_FUNCS(type, opt) \ +int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \ + const void *src, int sz, int upd); \ +int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \ + const void *src, int sz, int upd) + +RESAMPLE_FUNCS(int16, mmxext); +RESAMPLE_FUNCS(int16, sse2); +RESAMPLE_FUNCS(int16, xop); +RESAMPLE_FUNCS(float, sse); +RESAMPLE_FUNCS(float, avx); +RESAMPLE_FUNCS(float, fma3); +RESAMPLE_FUNCS(float, fma4); +RESAMPLE_FUNCS(double, sse2); + +void swri_resample_dsp_x86_init(ResampleContext *c) +{ + int av_unused mm_flags = av_get_cpu_flags(); + + switch(c->format){ + case AV_SAMPLE_FMT_S16P: + if (ARCH_X86_32 && EXTERNAL_MMXEXT(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_int16_mmxext + : ff_resample_common_int16_mmxext; + } + if (EXTERNAL_SSE2(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_int16_sse2 + : ff_resample_common_int16_sse2; + } + if (EXTERNAL_XOP(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_int16_xop + : ff_resample_common_int16_xop; + } + break; + case AV_SAMPLE_FMT_FLTP: + if (EXTERNAL_SSE(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_float_sse + : ff_resample_common_float_sse; + } + if (EXTERNAL_AVX(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_float_avx + : ff_resample_common_float_avx; + } + if (EXTERNAL_FMA3(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_float_fma3 + : ff_resample_common_float_fma3; + } + if (EXTERNAL_FMA4(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_float_fma4 + : ff_resample_common_float_fma4; + } + break; + case AV_SAMPLE_FMT_DBLP: + if (EXTERNAL_SSE2(mm_flags)) { + c->dsp.resample = c->linear ? ff_resample_linear_double_sse2 + : ff_resample_common_double_sse2; + } + break; + } +} |