1/* 2 * Copyright (c) 2011 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavutil/arm/asm.S" 22 23function ff_ac3_update_bap_counts_arm, export=1 24 push {lr} 25 ldrb lr, [r1], #1 261: 27 lsl r3, lr, #1 28 ldrh r12, [r0, r3] 29 subs r2, r2, #1 30 it gt 31 ldrbgt lr, [r1], #1 32 add r12, r12, #1 33 strh r12, [r0, r3] 34 bgt 1b 35 pop {pc} 36endfunc 37