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-rw-r--r--include/xas/synth.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/xas/synth.h b/include/xas/synth.h
index 61f50bc..c13c53e 100644
--- a/include/xas/synth.h
+++ b/include/xas/synth.h
@@ -7,6 +7,7 @@
#include <xas/object.h>
#include <xas/audio.h>
+#define XAS_SYNTH_DEFAULT_GAIN 1.0f
#define XAS_SYNTH_DEFAULT_FREQUENCY 2600 /* Hz */
enum xas_synth_type {
@@ -36,7 +37,9 @@ struct _xas_synth {
xas_synth_sample_callback sample;
- float phase;
+ float phase,
+ gain;
+
size_t frequency;
};
@@ -46,6 +49,8 @@ xas_synth *xas_synth_new(xas_audio_format format,
void xas_synth_destroy(xas_synth *synth);
+void xas_synth_set_gain(xas_synth *synth, float gain);
+
void xas_synth_set_frequency(xas_synth *synth, size_t frequency);
void xas_synth_start(xas_synth *synth);