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pulse: Add verbose volume printing functions

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For more informative logging.
This commit is contained in:
Tanu Kaskinen 2013-04-03 16:36:42 +03:00
parent 8c81f4d0bd
commit 596b2988a5
3 changed files with 89 additions and 0 deletions
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64
src/pulse/volume.c
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@ -361,6 +361,48 @@ char *pa_sw_cvolume_snprint_dB(char *s, size_t l, const pa_cvolume *c) {
return s;
}
char *pa_cvolume_snprint_verbose(char *s, size_t l, const pa_cvolume *c, const pa_channel_map *map, int print_dB) {
char *current = s;
bool first = true;
pa_assert(s);
pa_assert(l > 0);
pa_assert(c);
pa_init_i18n();
if (!pa_cvolume_valid(c)) {
pa_snprintf(s, l, _("(invalid)"));
return s;
}
pa_assert(!map || (map->channels == c->channels));
pa_assert(!map || pa_channel_map_valid(map));
current[0] = 0;
for (unsigned channel = 0; channel < c->channels && l > 1; channel++) {
char channel_position[32];
size_t bytes_printed;
char buf[PA_VOLUME_SNPRINT_VERBOSE_MAX];
if (map)
pa_snprintf(channel_position, sizeof(channel_position), "%s", pa_channel_position_to_string(map->map[channel]));
else
pa_snprintf(channel_position, sizeof(channel_position), "%u", channel);
bytes_printed = pa_snprintf(current, l, "%s%s: %s",
first ? "" : ", ",
channel_position,
pa_volume_snprint_verbose(buf, sizeof(buf), c->values[channel], print_dB));
l -= bytes_printed;
current += bytes_printed;
first = false;
}
return s;
}
char *pa_sw_volume_snprint_dB(char *s, size_t l, pa_volume_t v) {
double f;
@ -380,6 +422,28 @@ char *pa_sw_volume_snprint_dB(char *s, size_t l, pa_volume_t v) {
return s;
}
char *pa_volume_snprint_verbose(char *s, size_t l, pa_volume_t v, int print_dB) {
char dB[PA_SW_VOLUME_SNPRINT_DB_MAX];
pa_assert(s);
pa_assert(l > 0);
pa_init_i18n();
if (!PA_VOLUME_IS_VALID(v)) {
pa_snprintf(s, l, _("(invalid)"));
return s;
}
pa_snprintf(s, l, "%" PRIu32 " / %3u%%%s%s",
v,
(v * 100 + PA_VOLUME_NORM / 2) / PA_VOLUME_NORM,
print_dB ? " / " : "",
print_dB ? pa_sw_volume_snprint_dB(dB, sizeof(dB), v) : "");
return s;
}
int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v) {
unsigned c;
pa_assert(a);