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jLynx 2023-05-19 08:16:05 +12:00 • committed by GitHub
parent 7aca7ce74d
commit 033c4e9a5b
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52
firmware/baseband/audio_stats_collector.cpp
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@ -24,44 +24,44 @@
#include "utility.hpp"
void AudioStatsCollector::consume_audio_buffer(const buffer_f32_t& src) {
auto src_p = src.p;
const auto src_end = &src.p[src.count];
while(src_p < src_end) {
const auto sample = *(src_p++);
const auto sample_squared = sample * sample;
squared_sum += sample_squared;
if( sample_squared > max_squared ) {
max_squared = sample_squared;
}
}
auto src_p = src.p;
const auto src_end = &src.p[src.count];
while (src_p < src_end) {
const auto sample = *(src_p++);
const auto sample_squared = sample * sample;
squared_sum += sample_squared;
if (sample_squared > max_squared) {
max_squared = sample_squared;
}
}
}
bool AudioStatsCollector::update_stats(const size_t sample_count, const size_t sampling_rate) {
count += sample_count;
count += sample_count;
const size_t samples_per_update = sampling_rate * update_interval;
const size_t samples_per_update = sampling_rate * update_interval;
if( count >= samples_per_update ) {
statistics.rms_db = mag2_to_dbv_norm(squared_sum / count);
statistics.max_db = mag2_to_dbv_norm(max_squared);
statistics.count = count;
if (count >= samples_per_update) {
statistics.rms_db = mag2_to_dbv_norm(squared_sum / count);
statistics.max_db = mag2_to_dbv_norm(max_squared);
statistics.count = count;
squared_sum = 0;
max_squared = 0;
count = 0;
squared_sum = 0;
max_squared = 0;
count = 0;
return true;
} else {
return false;
}
return true;
} else {
return false;
}
}
bool AudioStatsCollector::feed(const buffer_f32_t& src) {
consume_audio_buffer(src);
consume_audio_buffer(src);
return update_stats(src.count, src.sampling_rate);
return update_stats(src.count, src.sampling_rate);
}
bool AudioStatsCollector::mute(const size_t sample_count, const size_t sampling_rate) {
return update_stats(sample_count, sampling_rate);
return update_stats(sample_count, sampling_rate);
}