diff options
Diffstat (limited to 'libs/ardour/ardour/peak.h')
-rw-r--r-- | libs/ardour/ardour/peak.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libs/ardour/ardour/peak.h b/libs/ardour/ardour/peak.h new file mode 100644 index 0000000000..bbec40eea7 --- /dev/null +++ b/libs/ardour/ardour/peak.h @@ -0,0 +1,36 @@ +/* + Copyright (C) 2000-2007 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef __ardour_peak_h__ +#define __ardour_peak_h__ + +#include <cmath> +#include <ardour/types.h> +#include <ardour/utils.h> + +static inline float +default_compute_peak (const ARDOUR::Sample * const buf, nframes_t nsamples, float current) +{ + for (nframes_t i = 0; i < nsamples; ++i) { + current = f_max (current, fabsf (buf[i])); + } + return current; +} + +#endif /* __ardour_peak_h__ */ |