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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-02-15 02:44:20 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-02-15 02:44:20 +0100
commit22f1fce330059ef8a383cf327a023d6a9da5ad3e (patch)
tree6893f158dcaaaa1b9f1317923c32a841ba31f768 /libtoolame-dab/utils.h
parent891bb2592944aa2be2d81e1583e73e632e70537f (diff)
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Include toolame-dab as library
Diffstat (limited to 'libtoolame-dab/utils.h')
-rw-r--r--libtoolame-dab/utils.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/libtoolame-dab/utils.h b/libtoolame-dab/utils.h
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+#ifndef _UTILS_H_
+#define _UTILS_H_
+
+#include <math.h>
+#include <stdint.h>
+
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+
+#define NUMOF(l) (sizeof(l) / sizeof(*l))
+
+#define linear_to_dB(x) (log10(x) * 20)
+
+/* Calculate the little string containing a bargraph
+ * 'VU-meter' from the peak value measured
+ */
+const char* level(int channel, int* peak);
+
+#endif
+