diff options
Diffstat (limited to 'libavcodec/arm/fft_fixed_init_arm.c')
-rw-r--r-- | libavcodec/arm/fft_fixed_init_arm.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libavcodec/arm/fft_fixed_init_arm.c b/libavcodec/arm/fft_fixed_init_arm.c new file mode 100644 index 0000000..df71e7f --- /dev/null +++ b/libavcodec/arm/fft_fixed_init_arm.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> + * + * 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 + */ + +#define CONFIG_FFT_FLOAT 0 +#include "libavcodec/fft.h" + +void ff_fft_fixed_calc_neon(FFTContext *s, FFTComplex *z); +void ff_mdct_fixed_calc_neon(FFTContext *s, FFTSample *o, const FFTSample *i); +void ff_mdct_fixed_calcw_neon(FFTContext *s, FFTDouble *o, const FFTSample *i); + +av_cold void ff_fft_fixed_init_arm(FFTContext *s) +{ + if (HAVE_NEON) { + s->fft_permutation = FF_FFT_PERM_SWAP_LSBS; + s->fft_calc = ff_fft_fixed_calc_neon; + +#if CONFIG_MDCT + if (!s->inverse && s->mdct_bits >= 5) { + s->mdct_permutation = FF_MDCT_PERM_INTERLEAVE; + s->mdct_calc = ff_mdct_fixed_calc_neon; + s->mdct_calcw = ff_mdct_fixed_calcw_neon; + } +#endif + } +} |