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alsa: Print dB values in addition to percentages in debug messages.

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How about this? There are a couple of bugs in sink_write_volume_cb,
by the way. Another patch will be sent once this dB value printing
patch is accepted.
-- 8< --
This commit is contained in:
Tanu Kaskinen 2010-11-18 18:12:51 +02:00 • committed by Colin Guthrie
parent 1cbacead13
commit f1e43cd9b8
2 changed files with 46 additions and 17 deletions
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25
src/modules/alsa/alsa-source.c
View file

@ -1072,7 +1072,7 @@ static int mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
static void source_get_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
pa_cvolume r;
char t[PA_CVOLUME_SNPRINT_MAX];
char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
pa_assert(u);
pa_assert(u->mixer_path);
@ -1084,7 +1084,13 @@ static void source_get_volume_cb(pa_source *s) {
/* Shift down by the base volume, so that 0dB becomes maximum volume */
pa_sw_cvolume_multiply_scalar(&r, &r, s->base_volume);
pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
if (u->mixer_path->has_dB) {
char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &r));
}
if (pa_cvolume_equal(&u->hardware_volume, &r))
return;
@ -1099,7 +1105,7 @@ static void source_get_volume_cb(pa_source *s) {
static void source_set_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
pa_cvolume r;
char t[PA_CVOLUME_SNPRINT_MAX];
char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
pa_assert(u);
pa_assert(u->mixer_path);
@ -1119,6 +1125,7 @@ static void source_set_volume_cb(pa_source *s) {
if (u->mixer_path->has_dB) {
pa_cvolume new_soft_volume;
pa_bool_t accurate_enough;
char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
/* Match exactly what the user requested by software */
pa_sw_cvolume_divide(&new_soft_volume, &s->volume, &u->hardware_volume);
@ -1130,16 +1137,20 @@ static void source_set_volume_cb(pa_source *s) {
(pa_cvolume_min(&new_soft_volume) >= (PA_VOLUME_NORM - VOLUME_ACCURACY)) &&
(pa_cvolume_max(&new_soft_volume) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &u->hardware_volume));
pa_log_debug("Calculated software volume: %s (accurate-enough=%s)", pa_cvolume_snprint(t, sizeof(t), &new_soft_volume),
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &s->volume));
pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &s->volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &u->hardware_volume));
pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &u->hardware_volume));
pa_log_debug("Calculated software volume: %s (accurate-enough=%s)",
pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &new_soft_volume),
pa_yes_no(accurate_enough));
pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &new_soft_volume));
if (!accurate_enough)
s->soft_volume = new_soft_volume;
} else {
pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
/* We can't match exactly what the user requested, hence let's
* at least tell the user about it */