diff options
Diffstat (limited to 'libs/ardour/mix.cc')
| -rw-r--r-- | libs/ardour/mix.cc | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/libs/ardour/mix.cc b/libs/ardour/mix.cc index 63ccc8b7ea..e2096178dd 100644 --- a/libs/ardour/mix.cc +++ b/libs/ardour/mix.cc @@ -24,7 +24,6 @@ #include <stdint.h> #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS) - // Debug wrappers float @@ -90,6 +89,25 @@ compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current) return current; } +float +find_peaks (ARDOUR::Sample *buf, nframes_t nframes, float *min, float *max) +{ + long i; + float a, b; + + a = *max; + b = *min; + + for (i = 0; i < nframes; i++) + { + a = fmax (buf[i], a); + b = fmin (buf[i], b); + } + + *max = a; + *min = b; +} + void apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain) { @@ -124,6 +142,25 @@ veclib_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current) return f_max(current, tmpmax); } +float +veclib_find_peaks (ARDOUR::Sample *buf, nframes_t nframes, float *min, float *max) +{ + // TODO: someone with veclib skills needs to write this one + long i; + float a, b; + + a = *max; + b = *min; + + for (i = 0; i < nframes; i++) + { + a = fmax (buf[i], a); + b = fmin (buf[i], b); + } + + *max = a; + *min = b; +} void veclib_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain) { |