#include "db.h"
#include "flags.h"
+#include "metrics.h"
#include "state.pb.h"
#include "timebase.h"
set_limiter_enabled(global_flags.limiter_enabled);
set_final_makeup_gain_auto(global_flags.final_makeup_gain_auto);
+ r128.init(2, OUTPUT_FREQUENCY);
+ r128.integr_start();
+
+ // hlen=16 is pretty low quality, but we use quite a bit of CPU otherwise,
+ // and there's a limit to how important the peak meter is.
+ peak_resampler.setup(OUTPUT_FREQUENCY, OUTPUT_FREQUENCY * 4, /*num_channels=*/2, /*hlen=*/16, /*frel=*/1.0);
+
+ global_audio_mixer = this;
+ alsa_pool.init();
+
if (!global_flags.input_mapping_filename.empty()) {
+ // Must happen after ALSAPool is initialized, as it needs to know the card list.
current_mapping_mode = MappingMode::MULTICHANNEL;
InputMapping new_input_mapping;
if (!load_input_mapping_from_file(get_devices(),
}
}
- r128.init(2, OUTPUT_FREQUENCY);
- r128.integr_start();
-
- // hlen=16 is pretty low quality, but we use quite a bit of CPU otherwise,
- // and there's a limit to how important the peak meter is.
- peak_resampler.setup(OUTPUT_FREQUENCY, OUTPUT_FREQUENCY * 4, /*num_channels=*/2, /*hlen=*/16, /*frel=*/1.0);
-
- global_audio_mixer = this;
- alsa_pool.init();
+ global_metrics.add("audio_loudness_short_lufs", &metric_audio_loudness_short_lufs, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_loudness_integrated_lufs", &metric_audio_loudness_integrated_lufs, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_loudness_range_low_lufs", &metric_audio_loudness_range_low_lufs, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_loudness_range_high_lufs", &metric_audio_loudness_range_high_lufs, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_peak_dbfs", &metric_audio_peak_dbfs, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_final_makeup_gain_db", &metric_audio_final_makeup_gain_db, Metrics::TYPE_GAUGE);
+ global_metrics.add("audio_correlation", &metric_audio_correlation, Metrics::TYPE_GAUGE);
}
void AudioMixer::reset_resampler(DeviceSpec device_spec)
}
}
+ // If we changed frequency since last frame, we'll need to reset the resampler.
+ if (audio_format.sample_rate != device->capture_frequency) {
+ device->capture_frequency = audio_format.sample_rate;
+ reset_resampler_mutex_held(device_spec);
+ }
+
// Now add it.
device->resampling_queue->add_input_samples(frame_time, audio.get(), num_samples, ResamplingQueue::ADJUST_RATE);
return true;
double loudness_range_low = r128.range_min();
double loudness_range_high = r128.range_max();
+ metric_audio_loudness_short_lufs = loudness_s;
+ metric_audio_loudness_integrated_lufs = loudness_i;
+ metric_audio_loudness_range_low_lufs = loudness_range_low;
+ metric_audio_loudness_range_high_lufs = loudness_range_high;
+ metric_audio_peak_dbfs = to_db(peak);
+ metric_audio_final_makeup_gain_db = to_db(final_makeup_gain);
+ metric_audio_correlation = correlation.get_correlation();
+
vector<BusLevel> bus_levels;
bus_levels.resize(input_mapping.buses.size());
{
lock_guard<mutex> lock(compressor_mutex);
for (unsigned bus_index = 0; bus_index < bus_levels.size(); ++bus_index) {
- bus_levels[bus_index].current_level_dbfs[0] = to_db(peak_history[bus_index][0].current_level);
- bus_levels[bus_index].current_level_dbfs[1] = to_db(peak_history[bus_index][1].current_level);
- bus_levels[bus_index].peak_level_dbfs[0] = to_db(peak_history[bus_index][0].current_peak);
- bus_levels[bus_index].peak_level_dbfs[1] = to_db(peak_history[bus_index][1].current_peak);
- bus_levels[bus_index].historic_peak_dbfs = to_db(
+ BusLevel &levels = bus_levels[bus_index];
+ BusMetrics &metrics = bus_metrics[bus_index];
+
+ levels.current_level_dbfs[0] = metrics.current_level_dbfs[0] = to_db(peak_history[bus_index][0].current_level);
+ levels.current_level_dbfs[1] = metrics.current_level_dbfs[1] = to_db(peak_history[bus_index][1].current_level);
+ levels.peak_level_dbfs[0] = metrics.peak_level_dbfs[0] = to_db(peak_history[bus_index][0].current_peak);
+ levels.peak_level_dbfs[1] = metrics.peak_level_dbfs[1] = to_db(peak_history[bus_index][1].current_peak);
+ levels.historic_peak_dbfs = metrics.historic_peak_dbfs = to_db(
max(peak_history[bus_index][0].historic_peak,
peak_history[bus_index][1].historic_peak));
- bus_levels[bus_index].gain_staging_db = gain_staging_db[bus_index];
+ levels.gain_staging_db = metrics.gain_staging_db = gain_staging_db[bus_index];
if (compressor_enabled[bus_index]) {
- bus_levels[bus_index].compressor_attenuation_db = -to_db(compressor[bus_index]->get_attenuation());
+ levels.compressor_attenuation_db = metrics.compressor_attenuation_db = -to_db(compressor[bus_index]->get_attenuation());
} else {
- bus_levels[bus_index].compressor_attenuation_db = 0.0;
+ levels.compressor_attenuation_db = 0.0;
+ metrics.compressor_attenuation_db = 0.0 / 0.0;
}
}
}
}
}
+ // Kill all the old metrics, and set up new ones.
+ for (unsigned bus_index = 0; bus_index < input_mapping.buses.size(); ++bus_index) {
+ BusMetrics &metrics = bus_metrics[bus_index];
+
+ vector<pair<string, string>> labels_left = metrics.labels;
+ labels_left.emplace_back("channel", "left");
+ vector<pair<string, string>> labels_right = metrics.labels;
+ labels_right.emplace_back("channel", "right");
+
+ global_metrics.remove("bus_current_level_dbfs", labels_left);
+ global_metrics.remove("bus_current_level_dbfs", labels_right);
+ global_metrics.remove("bus_peak_level_dbfs", labels_left);
+ global_metrics.remove("bus_peak_level_dbfs", labels_right);
+ global_metrics.remove("bus_historic_peak_dbfs", metrics.labels);
+ global_metrics.remove("bus_gain_staging_db", metrics.labels);
+ global_metrics.remove("bus_compressor_attenuation_db", metrics.labels);
+ }
+ bus_metrics.reset(new BusMetrics[new_input_mapping.buses.size()]);
+ for (unsigned bus_index = 0; bus_index < new_input_mapping.buses.size(); ++bus_index) {
+ const InputMapping::Bus &bus = new_input_mapping.buses[bus_index];
+ BusMetrics &metrics = bus_metrics[bus_index];
+
+ char bus_index_str[16], source_index_str[16], source_channels_str[64];
+ snprintf(bus_index_str, sizeof(bus_index_str), "%u", bus_index);
+ snprintf(source_index_str, sizeof(source_index_str), "%u", bus.device.index);
+ snprintf(source_channels_str, sizeof(source_channels_str), "%d:%d", bus.source_channel[0], bus.source_channel[1]);
+
+ vector<pair<string, string>> labels;
+ metrics.labels.emplace_back("index", bus_index_str);
+ metrics.labels.emplace_back("name", bus.name);
+ if (bus.device.type == InputSourceType::SILENCE) {
+ metrics.labels.emplace_back("source_type", "silence");
+ } else if (bus.device.type == InputSourceType::CAPTURE_CARD) {
+ metrics.labels.emplace_back("source_type", "capture_card");
+ } else if (bus.device.type == InputSourceType::ALSA_INPUT) {
+ metrics.labels.emplace_back("source_type", "alsa_input");
+ } else {
+ assert(false);
+ }
+ metrics.labels.emplace_back("source_index", source_index_str);
+ metrics.labels.emplace_back("source_channels", source_channels_str);
+
+ vector<pair<string, string>> labels_left = metrics.labels;
+ labels_left.emplace_back("channel", "left");
+ vector<pair<string, string>> labels_right = metrics.labels;
+ labels_right.emplace_back("channel", "right");
+
+ global_metrics.add("bus_current_level_dbfs", labels_left, &metrics.current_level_dbfs[0], Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_current_level_dbfs", labels_right, &metrics.current_level_dbfs[1], Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_peak_level_dbfs", labels_left, &metrics.peak_level_dbfs[0], Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_peak_level_dbfs", labels_right, &metrics.peak_level_dbfs[1], Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_historic_peak_dbfs", metrics.labels, &metrics.historic_peak_dbfs, Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_gain_staging_db", metrics.labels, &metrics.gain_staging_db, Metrics::TYPE_GAUGE);
+ global_metrics.add("bus_compressor_attenuation_db", metrics.labels, &metrics.compressor_attenuation_db, Metrics::TYPE_GAUGE);
+ }
+
// Reset resamplers for all cards that don't have the exact same state as before.
for (unsigned card_index = 0; card_index < MAX_VIDEO_CARDS; ++card_index) {
const DeviceSpec device_spec{InputSourceType::CAPTURE_CARD, card_index};