3 #include <pulse/volume.h>
4 #include <pulse/gccmacro.h>
6 int main(int argc
, char *argv
[]) {
10 for (v
= PA_VOLUME_MUTED
; v
<= PA_VOLUME_NORM
*2; v
+= 256) {
12 double dB
= pa_sw_volume_to_dB(v
);
13 double f
= pa_sw_volume_to_linear(v
);
15 printf("Volume: %3i; percent: %i%%; decibel %0.2f; linear = %0.2f; volume(decibel): %3i; volume(linear): %3i\n",
16 v
, (v
*100)/PA_VOLUME_NORM
, dB
, f
, pa_sw_volume_from_dB(dB
), pa_sw_volume_from_linear(f
));
19 for (v
= PA_VOLUME_MUTED
; v
<= PA_VOLUME_NORM
*2; v
+= 256) {
20 char s
[PA_CVOLUME_SNPRINT_MAX
], t
[PA_SW_CVOLUME_SNPRINT_DB_MAX
];
22 pa_cvolume_set(&cv
, 2, v
);
24 printf("Volume: %3i [%s] [%s]\n",
26 pa_cvolume_snprint(s
, sizeof(s
), &cv
),
27 pa_sw_cvolume_snprint_dB(t
, sizeof(t
), &cv
));