/* * audio resampling * Copyright (c) 2004-2012 Michael Niedermayer * * 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 */ #include "libswresample/resample.h" #if HAVE_MMXEXT_INLINE #define DO_RESAMPLE_ONE 0 #include "resample_mmx.h" #define TEMPLATE_RESAMPLE_S16_MMX2 #include "libswresample/resample_template.c" #undef TEMPLATE_RESAMPLE_S16_MMX2 #if HAVE_SSE_INLINE #define TEMPLATE_RESAMPLE_FLT_SSE #include "libswresample/resample_template.c" #undef TEMPLATE_RESAMPLE_FLT_SSE #endif #if HAVE_SSE2_INLINE #define TEMPLATE_RESAMPLE_S16_SSE2 #include "libswresample/resample_template.c" #undef TEMPLATE_RESAMPLE_S16_SSE2 #define TEMPLATE_RESAMPLE_DBL_SSE2 #include "libswresample/resample_template.c" #undef TEMPLATE_RESAMPLE_DBL_SSE2 #endif #if HAVE_AVX_INLINE #define TEMPLATE_RESAMPLE_FLT_AVX #include "libswresample/resample_template.c" #undef TEMPLATE_RESAMPLE_FLT_AVX #endif #undef DO_RESAMPLE_ONE #endif // HAVE_MMXEXT_INLINE void swresample_dsp_x86_init(ResampleContext *c) { int av_unused mm_flags = av_get_cpu_flags(); #define FNIDX(fmt) (AV_SAMPLE_FMT_##fmt - AV_SAMPLE_FMT_S16P) if (ARCH_X86_32 && HAVE_MMXEXT_INLINE && mm_flags & AV_CPU_FLAG_MMX2) { c->dsp.resample_common[FNIDX(S16P)] = (resample_fn) resample_common_int16_mmx2; c->dsp.resample_linear[FNIDX(S16P)] = (resample_fn) resample_linear_int16_mmx2; } if (HAVE_SSE_INLINE && mm_flags & AV_CPU_FLAG_SSE) { c->dsp.resample_common[FNIDX(FLTP)] = (resample_fn) resample_common_float_sse; c->dsp.resample_linear[FNIDX(FLTP)] = (resample_fn) resample_linear_float_sse; } if (HAVE_SSE2_INLINE && mm_flags & AV_CPU_FLAG_SSE2) { c->dsp.resample_common[FNIDX(S16P)] = (resample_fn) resample_common_int16_sse2; c->dsp.resample_linear[FNIDX(S16P)] = (resample_fn) resample_linear_int16_sse2; c->dsp.resample_common[FNIDX(DBLP)] = (resample_fn) resample_common_double_sse2; c->dsp.resample_linear[FNIDX(DBLP)] = (resample_fn) resample_linear_double_sse2; } if (HAVE_AVX_INLINE && mm_flags & AV_CPU_FLAG_AVX) { c->dsp.resample_common[FNIDX(FLTP)] = (resample_fn) resample_common_float_avx; c->dsp.resample_linear[FNIDX(FLTP)] = (resample_fn) resample_linear_float_avx; } }