/* * Copyright (c) 2011 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/ac3dsp.h" #include "config.h" void ff_ac3_exponent_min_neon(uint8_t *exp, int num_reuse_blocks, int nb_coefs); int ff_ac3_max_msb_abs_int16_neon(const int16_t *src, int len); void ff_ac3_lshift_int16_neon(int16_t *src, unsigned len, unsigned shift); void ff_ac3_rshift_int32_neon(int32_t *src, unsigned len, unsigned shift); void ff_float_to_fixed24_neon(int32_t *dst, const float *src, unsigned int len); av_cold void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact) { if (HAVE_NEON) { c->ac3_exponent_min = ff_ac3_exponent_min_neon; c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_neon; c->ac3_lshift_int16 = ff_ac3_lshift_int16_neon; c->ac3_rshift_int32 = ff_ac3_rshift_int32_neon; c->float_to_fixed24 = ff_float_to_fixed24_neon; } }