diff options
Diffstat (limited to 'libswresample/x86/resample_x86_dsp.c')
-rw-r--r-- | libswresample/x86/resample_x86_dsp.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/libswresample/x86/resample_x86_dsp.c b/libswresample/x86/resample_x86_dsp.c new file mode 100644 index 0000000000..63493af0de --- /dev/null +++ b/libswresample/x86/resample_x86_dsp.c @@ -0,0 +1,102 @@ +/* + * 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 "libswresample/resample.h" + +int swri_resample_common_int16_mmx2 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx); +int swri_resample_linear_int16_mmx2 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx); +int swri_resample_common_int16_sse2 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx); +int swri_resample_linear_int16_sse2 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx); +int swri_resample_common_float_sse (ResampleContext *c, float *dst, const float *src, int n, int update_ctx); +int swri_resample_linear_float_sse (ResampleContext *c, float *dst, const float *src, int n, int update_ctx); +int swri_resample_common_float_avx (ResampleContext *c, float *dst, const float *src, int n, int update_ctx); +int swri_resample_linear_float_avx (ResampleContext *c, float *dst, const float *src, int n, int update_ctx); +int swri_resample_common_double_sse2(ResampleContext *c, double *dst, const double *src, int n, int update_ctx); +int swri_resample_linear_double_sse2(ResampleContext *c, double *dst, const double *src, int n, int update_ctx); + +#if HAVE_MMXEXT_INLINE + +#define DO_RESAMPLE_ONE 0 + +#include "resample_mmx.h" + +#if ARCH_X86_32 +#define TEMPLATE_RESAMPLE_S16_MMX2 +#include "libswresample/resample_template.c" +#undef TEMPLATE_RESAMPLE_S16_MMX2 +#endif + +#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) swri_resample_common_int16_mmx2; + c->dsp.resample_linear[FNIDX(S16P)] = (resample_fn) swri_resample_linear_int16_mmx2; + } + if (HAVE_SSE_INLINE && mm_flags & AV_CPU_FLAG_SSE) { + c->dsp.resample_common[FNIDX(FLTP)] = (resample_fn) swri_resample_common_float_sse; + c->dsp.resample_linear[FNIDX(FLTP)] = (resample_fn) swri_resample_linear_float_sse; + } + if (HAVE_SSE2_INLINE && mm_flags & AV_CPU_FLAG_SSE2) { + c->dsp.resample_common[FNIDX(S16P)] = (resample_fn) swri_resample_common_int16_sse2; + c->dsp.resample_linear[FNIDX(S16P)] = (resample_fn) swri_resample_linear_int16_sse2; + c->dsp.resample_common[FNIDX(DBLP)] = (resample_fn) swri_resample_common_double_sse2; + c->dsp.resample_linear[FNIDX(DBLP)] = (resample_fn) swri_resample_linear_double_sse2; + } + if (HAVE_AVX_INLINE && mm_flags & AV_CPU_FLAG_AVX) { + c->dsp.resample_common[FNIDX(FLTP)] = (resample_fn) swri_resample_common_float_avx; + c->dsp.resample_linear[FNIDX(FLTP)] = (resample_fn) swri_resample_linear_float_avx; + } +} |