idctdsp_init_neon.c (2000B)
1 /* 2 * ARM-NEON-optimized IDCT functions 3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #include <stdint.h> 23 24 #include "libavutil/attributes.h" 25 #include "libavcodec/avcodec.h" 26 #include "libavcodec/idctdsp.h" 27 #include "idct.h" 28 #include "idctdsp_arm.h" 29 30 void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); 31 void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); 32 void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); 33 34 av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx, 35 unsigned high_bit_depth) 36 { 37 if (!avctx->lowres && !high_bit_depth) { 38 if (avctx->idct_algo == FF_IDCT_AUTO || 39 avctx->idct_algo == FF_IDCT_SIMPLEAUTO || 40 avctx->idct_algo == FF_IDCT_SIMPLENEON) { 41 c->idct_put = ff_simple_idct_put_neon; 42 c->idct_add = ff_simple_idct_add_neon; 43 c->idct = ff_simple_idct_neon; 44 c->perm_type = FF_IDCT_PERM_PARTTRANS; 45 } 46 } 47 48 c->add_pixels_clamped = ff_add_pixels_clamped_neon; 49 c->put_pixels_clamped = ff_put_pixels_clamped_neon; 50 c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; 51 }