mpegaudiodsp_init.c (1524B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #include <stddef.h> 20 #include <stdint.h> 21 22 #include "libavutil/attributes.h" 23 #include "libavutil/aarch64/cpu.h" 24 #include "libavcodec/mpegaudiodsp.h" 25 #include "config.h" 26 27 void ff_mpadsp_apply_window_fixed_neon(int32_t *synth_buf, int32_t *window, 28 int *dither, int16_t *samples, ptrdiff_t incr); 29 void ff_mpadsp_apply_window_float_neon(float *synth_buf, float *window, 30 int *dither, float *samples, ptrdiff_t incr); 31 32 av_cold void ff_mpadsp_init_aarch64(MPADSPContext *s) 33 { 34 int cpu_flags = av_get_cpu_flags(); 35 36 if (have_neon(cpu_flags)) { 37 s->apply_window_fixed = ff_mpadsp_apply_window_fixed_neon; 38 s->apply_window_float = ff_mpadsp_apply_window_float_neon; 39 } 40 }