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Diffstat (limited to 'libswresample/rematrix_template.c')
-rw-r--r-- | libswresample/rematrix_template.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libswresample/rematrix_template.c b/libswresample/rematrix_template.c new file mode 100644 index 0000000..0c45fc9 --- /dev/null +++ b/libswresample/rematrix_template.c @@ -0,0 +1,38 @@ +/* + * 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, SAMPLE coeff1, SAMPLE 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, SAMPLE 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]); + } +} + |