fdctdsp_init_aarch64.c (1362B)
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 "libavutil/attributes.h" 20 #include "libavutil/cpu.h" 21 #include "libavutil/aarch64/cpu.h" 22 #include "libavcodec/avcodec.h" 23 #include "libavcodec/fdctdsp.h" 24 #include "fdct.h" 25 26 av_cold void ff_fdctdsp_init_aarch64(FDCTDSPContext *c, AVCodecContext *avctx, 27 unsigned high_bit_depth) 28 { 29 int cpu_flags = av_get_cpu_flags(); 30 31 if (have_neon(cpu_flags)) { 32 if (!high_bit_depth) { 33 if (avctx->dct_algo == FF_DCT_AUTO || 34 avctx->dct_algo == FF_DCT_NEON) { 35 c->fdct = ff_fdct_neon; 36 } 37 } 38 } 39 }