From f4855a904e4d3a12822739cda149262f98e8723a Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Wed, 9 Mar 2011 19:51:50 +0000 Subject: ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min --- libavcodec/arm/ac3dsp_init_arm.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 libavcodec/arm/ac3dsp_init_arm.c (limited to 'libavcodec/arm/ac3dsp_init_arm.c') diff --git a/libavcodec/arm/ac3dsp_init_arm.c b/libavcodec/arm/ac3dsp_init_arm.c new file mode 100644 index 0000000000..a0fc97799c --- /dev/null +++ b/libavcodec/arm/ac3dsp_init_arm.c @@ -0,0 +1,35 @@ +/* + * 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); + +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; + } +} -- cgit v1.2.3