00001 /* 00002 * Copyright (C) 2011 Michael Niedermayer (michaelni@gmx.at) 00003 * 00004 * This file is part of libswresample 00005 * 00006 * libswresample is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * libswresample is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with libswresample; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 00022 static void RENAME(sum2)(SAMPLE *out, const SAMPLE *in1, const SAMPLE *in2, COEFF coeff1, COEFF coeff2, int len){ 00023 int i; 00024 00025 for(i=0; i<len; i++) 00026 out[i] = R(coeff1*in1[i] + coeff2*in2[i]); 00027 } 00028 00029 static void RENAME(copy)(SAMPLE *out, const SAMPLE *in, COEFF coeff, int len){ 00030 if(coeff == ONE){ 00031 memcpy(out, in, sizeof(SAMPLE)*len); 00032 }else{ 00033 int i; 00034 for(i=0; i<len; i++) 00035 out[i] = R(coeff*in[i]); 00036 } 00037 } 00038