Move samples of int16_t format to sample_t, that is of type double

This prepares the correction of all levels

1 files changed, 7 insertions, 2 deletions

diff --git a/src/common/goertzel.h b/src/common/goertzel.h
index 7feba16..58fcbb8 100644
--- a/src/common/goertzel.h
+++ b/src/common/goertzel.h
@@ -1,5 +1,10 @@
 
-double audio_level(int16_t *samples, int length);
+double audio_level(sample_t *samples, int length);
 
-void audio_goertzel(int16_t *samples, int length, int offset, int *coeff, double *result, int k);
+typedef struct goertzel {
+	double coeff;
+} goertzel_t;
+
+void audio_goertzel_init(goertzel_t *goertzel, double freq, int samplerate);
+void audio_goertzel(goertzel_t *goertzel, sample_t *samples, int length, int offset, double *result, int k);