Changeset b799241

Timestamp:

Mar 10, 2017, 8:16:28 PM (8 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, sampler

Children:

d0f0d55

Parents:

b75f890

Message:

src/musicutils.h: add fvec_clamp, basic limiter

Location:

src

Files:

• mathutils.c (modified) (1 diff)
• musicutils.h (modified) (1 diff)

src/mathutils.c

@@ -298 +298 @@
 }
 
+void fvec_clamp(fvec_t *in, smpl_t absmax) {
+  uint_t i;
+  for (i = 0; i < in->length; i++) {
+    if (in->data[i] > 0 && in->data[i] > ABS(absmax)) {
+      in->data[i] = absmax;
+    } else if (in->data[i] < 0 && in->data[i] < -ABS(absmax)) {
+      in->data[i] = -absmax;
+    }
+  }
+}
+
 smpl_t
 aubio_level_lin (const fvec_t * f)

src/musicutils.h

@@ -157 +157 @@
 smpl_t aubio_level_detection (const fvec_t * v, smpl_t threshold);
 
+/** clamp the values of a vector within the range [-abs(max), abs(max)]
+
+  \param in vector to clamp
+  \param max maximum value over which input vector elements should be clamped
+
+*/
+void fvec_clamp(fvec_t *in, smpl_t absmax);
+
 #ifdef __cplusplus
 }