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 "idctdsp_arm.h" 28 29void ff_simple_idct_neon(int16_t *data); 30void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data); 31void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data); 32 33void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int); 34void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int); 35void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int); 36 37av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx, 38 unsigned high_bit_depth) 39{ 40 if (!avctx->lowres && !high_bit_depth) { 41 if (avctx->idct_algo == FF_IDCT_AUTO || 42 avctx->idct_algo == FF_IDCT_SIMPLEAUTO || 43 avctx->idct_algo == FF_IDCT_SIMPLENEON) { 44 c->idct_put = ff_simple_idct_put_neon; 45 c->idct_add = ff_simple_idct_add_neon; 46 c->idct = ff_simple_idct_neon; 47 c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM; 48 } 49 } 50 51 c->add_pixels_clamped = ff_add_pixels_clamped_neon; 52 c->put_pixels_clamped = ff_put_pixels_clamped_neon; 53 c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; 54} 55