mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
|
|
* Copyright (C) 2011 Michael Niedermayer (michaelni@gmx.at)
|
|
*
|
|
* This file is part of libswresample
|
|
*
|
|
* libswresample 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.
|
|
*
|
|
* libswresample 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 libswresample; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
|
|
static void RENAME(sum2)(SAMPLE *out, const SAMPLE *in1, const SAMPLE *in2, COEFF coeff1, COEFF coeff2, int len){
|
|
int i;
|
|
|
|
for(i=0; i<len; i++)
|
|
out[i] = R(coeff1*in1[i] + coeff2*in2[i]);
|
|
}
|
|
|
|
static void RENAME(copy)(SAMPLE *out, const SAMPLE *in, COEFF coeff, int len){
|
|
if(coeff == ONE){
|
|
memcpy(out, in, sizeof(SAMPLE)*len);
|
|
}else{
|
|
int i;
|
|
for(i=0; i<len; i++)
|
|
out[i] = R(coeff*in[i]);
|
|
}
|
|
}
|
|
|