diff options
Diffstat (limited to 'libavcodec/aarch64/synth_filter_init.c')
-rw-r--r-- | libavcodec/aarch64/synth_filter_init.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libavcodec/aarch64/synth_filter_init.c b/libavcodec/aarch64/synth_filter_init.c new file mode 100644 index 0000000..767b011 --- /dev/null +++ b/libavcodec/aarch64/synth_filter_init.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2010 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 + */ + +#include "config.h" + +#include "libavutil/aarch64/cpu.h" +#include "libavutil/attributes.h" +#include "libavutil/internal.h" +#include "libavcodec/fft.h" +#include "libavcodec/synth_filter.h" + +#include "asm-offsets.h" + +#if HAVE_NEON || HAVE_VFP +AV_CHECK_OFFSET(FFTContext, imdct_half, IMDCT_HALF); +#endif + +void ff_synth_filter_float_neon(FFTContext *imdct, + float *synth_buf_ptr, int *synth_buf_offset, + float synth_buf2[32], const float window[512], + float out[32], const float in[32], + float scale); + +av_cold void ff_synth_filter_init_aarch64(SynthFilterContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags)) + s->synth_filter_float = ff_synth_filter_float_neon; +} |