diff options
author | Diego Biurrun <diego@biurrun.de> | 2012-08-12 00:45:53 +0400 |
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committer | Diego Biurrun <diego@biurrun.de> | 2012-08-15 05:24:08 +0400 |
commit | 29cfdd37674e3444557c385eaffef06c1b325414 (patch) | |
tree | 18bb4212cf9774ecbab9e2c949a16f8ed65e9555 /libavcodec/x86/fft_init.c | |
parent | be12958937e85b4a280c313d4229c3feba32bf73 (diff) |
x86: avcodec: Appropriately name files containing only init functions
Diffstat (limited to 'libavcodec/x86/fft_init.c')
-rw-r--r-- | libavcodec/x86/fft_init.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libavcodec/x86/fft_init.c b/libavcodec/x86/fft_init.c new file mode 100644 index 0000000000..fcde3fa797 --- /dev/null +++ b/libavcodec/x86/fft_init.c @@ -0,0 +1,72 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/cpu.h" +#include "libavcodec/dsputil.h" +#include "libavcodec/dct.h" +#include "fft.h" + +av_cold void ff_fft_init_mmx(FFTContext *s) +{ +#if HAVE_YASM + int has_vectors = av_get_cpu_flags(); +#if ARCH_X86_32 + if (has_vectors & AV_CPU_FLAG_3DNOW && HAVE_AMD3DNOW) { + /* 3DNow! for K6-2/3 */ + s->imdct_calc = ff_imdct_calc_3dnow; + s->imdct_half = ff_imdct_half_3dnow; + s->fft_calc = ff_fft_calc_3dnow; + } + if (has_vectors & AV_CPU_FLAG_3DNOWEXT && HAVE_AMD3DNOWEXT) { + /* 3DNowEx for K7 */ + s->imdct_calc = ff_imdct_calc_3dnowext; + s->imdct_half = ff_imdct_half_3dnowext; + s->fft_calc = ff_fft_calc_3dnowext; + } +#endif + if (has_vectors & AV_CPU_FLAG_SSE && HAVE_SSE) { + /* SSE for P3/P4/K8 */ + s->imdct_calc = ff_imdct_calc_sse; + s->imdct_half = ff_imdct_half_sse; + s->fft_permute = ff_fft_permute_sse; + s->fft_calc = ff_fft_calc_sse; + s->fft_permutation = FF_FFT_PERM_SWAP_LSBS; + } + if (has_vectors & AV_CPU_FLAG_AVX && HAVE_AVX && s->nbits >= 5) { + /* AVX for SB */ + s->imdct_half = ff_imdct_half_avx; + s->fft_calc = ff_fft_calc_avx; + s->fft_permutation = FF_FFT_PERM_AVX; + } +#endif +} + +#if CONFIG_DCT +av_cold void ff_dct_init_mmx(DCTContext *s) +{ +#if HAVE_YASM + int has_vectors = av_get_cpu_flags(); + if (has_vectors & AV_CPU_FLAG_SSE && HAVE_SSE) + s->dct32 = ff_dct32_float_sse; + if (has_vectors & AV_CPU_FLAG_SSE2 && HAVE_SSE) + s->dct32 = ff_dct32_float_sse2; + if (has_vectors & AV_CPU_FLAG_AVX && HAVE_AVX) + s->dct32 = ff_dct32_float_avx; +#endif +} +#endif |