Change baseband audio processing pipeline to all floats.

This commit is contained in:
Jared Boone 2016-01-11 16:15:42 -08:00
parent b9f124850b
commit 55e3a70fde
12 changed files with 90 additions and 56 deletions

View file

@ -23,12 +23,12 @@
#include "utility.hpp"
void AudioStatsCollector::consume_audio_buffer(const buffer_s16_t& src) {
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 uint64_t sample_squared = sample * sample;
const auto sample_squared = sample * sample;
squared_sum += sample_squared;
if( sample_squared > max_squared ) {
max_squared = sample_squared;
@ -42,11 +42,8 @@ bool AudioStatsCollector::update_stats(const size_t sample_count, const size_t s
const size_t samples_per_update = sampling_rate * update_interval;
if( count >= samples_per_update ) {
const float squared_sum_f = squared_sum;
const float max_squared_f = max_squared;
const float squared_avg_f = squared_sum_f / count;
statistics.rms_db = complex16_mag_squared_to_dbv_norm(squared_avg_f);
statistics.max_db = complex16_mag_squared_to_dbv_norm(max_squared_f);
statistics.rms_db = complex16_mag_squared_to_dbv_norm(squared_sum / count);
statistics.max_db = complex16_mag_squared_to_dbv_norm(max_squared);
statistics.count = count;
squared_sum = 0;
@ -59,7 +56,7 @@ bool AudioStatsCollector::update_stats(const size_t sample_count, const size_t s
}
}
bool AudioStatsCollector::feed(const buffer_s16_t& src) {
bool AudioStatsCollector::feed(const buffer_f32_t& src) {
consume_audio_buffer(src);
return update_stats(src.count, src.sampling_rate);