/* * ARM-NEON-optimized IDCT functions * Copyright (c) 2008 Mans Rullgard * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "libavutil/attributes.h" #include "libavcodec/avcodec.h" #include "libavcodec/idctdsp.h" #include "idct.h" #include "idctdsp_arm.h" void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int); void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int); void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int); av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx, unsigned high_bit_depth) { if (!high_bit_depth) { if (avctx->idct_algo == FF_IDCT_AUTO || avctx->idct_algo == FF_IDCT_SIMPLENEON) { c->idct_put = ff_simple_idct_put_neon; c->idct_add = ff_simple_idct_add_neon; c->idct = ff_simple_idct_neon; c->perm_type = FF_IDCT_PERM_PARTTRANS; } } c->add_pixels_clamped = ff_add_pixels_clamped_neon; c->put_pixels_clamped = ff_put_pixels_clamped_neon; c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; }