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Audio: print volume also in dB

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This commit is contained in:
Martin Pulec
2016-11-02 16:42:33 +01:00
parent f210acdd0a
commit 787b6edfc0
2 changed files with 5 additions and 3 deletions
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2
src/keyboard_control.cpp
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@@ -259,7 +259,7 @@ void keyboard_control::usage()
if (response_get_status(resp) == 200) {
double vol = atof(response_get_text(resp));
double db = 20.0 * log10(vol / 100.0);
cout << "Received audio volume: " << fixed << setprecision(2) << vol << " % (" << (db >= 0.0 ? "+" : "") << db << " dB)\n";
cout << "Received audio volume: " << fixed << setprecision(2) << vol << "% (" << (db >= 0.0 ? "+" : "") << db << " dB)\n";
}
free_response(resp);
}

6
src/rtp/audio_decoders.cpp
View File

@@ -698,14 +698,16 @@ void audio_decoder_increase_volume(void *state)
{
auto s = (struct state_audio_decoder *) state;
s->scale->scale *= 1.1;
log_msg(LOG_LEVEL_INFO, "Volume: %f%%\n", s->scale->scale * 100.0);
double db = 20.0 * log10(s->scale->scale);
log_msg(LOG_LEVEL_INFO, "Volume: %.2f%% (%+.2f dB)\n", s->scale->scale * 100.0, db);
}
void audio_decoder_decrease_volume(void *state)
{
auto s = (struct state_audio_decoder *) state;
s->scale->scale /= 1.1;
log_msg(LOG_LEVEL_INFO, "Volume: %f%%\n", s->scale->scale * 100.0);
double db = 20.0 * log10(s->scale->scale);
log_msg(LOG_LEVEL_INFO, "Volume: %.2f%% (%+.2f dB)\n", s->scale->scale * 100.0, db);
}
void audio_decoder_mute(void *state)