portapack-mayhem/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2026-09-15 19:13:00 +00:00
Code Issues Packages Projects Releases 10 Wiki Activity

Merge fixing, commit to catch up on recent files

Browse Source
This commit is contained in:
furrtek
2016-02-04 10:27:53 +01:00
parent 44638e504b
commit 6e496e2b26
90 changed files with 2257 additions and 1428 deletions
Download Patch File Download Diff File Expand all files Collapse all files
firmware/baseband-tx/audio_stats_collector.hpp
+10 -42
View File
@@ -22,9 +22,8 @@
#ifndef __AUDIO_STATS_COLLECTOR_H__
#define __AUDIO_STATS_COLLECTOR_H__
#include "buffer.hpp"
#include "dsp_types.hpp"
#include "message.hpp"
#include "utility.hpp"
#include <cstdint>
#include <cstddef>
@@ -32,64 +31,33 @@
class AudioStatsCollector {
public:
template<typename Callback>
void feed(buffer_s16_t src, Callback callback) {
consume_audio_buffer(src);
if( update_stats(src.count, src.sampling_rate) ) {
void feed(const buffer_f32_t& src, Callback callback) {
if( feed(src) ) {
callback(statistics);
}
}
template<typename Callback>
void mute(const size_t sample_count, const size_t sampling_rate, Callback callback) {
if( update_stats(sample_count, sampling_rate) ) {
if( mute(sample_count, sampling_rate) ) {
callback(statistics);
}
}
private:
static constexpr float update_interval { 0.1f };
uint64_t squared_sum { 0 };
uint32_t max_squared { 0 };
float squared_sum { 0 };
float max_squared { 0 };
size_t count { 0 };
AudioStatistics statistics;
void consume_audio_buffer(buffer_s16_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;
squared_sum += sample_squared;
if( sample_squared > max_squared ) {
max_squared = sample_squared;
}
}
}
void consume_audio_buffer(const buffer_f32_t& src);
bool update_stats(const size_t sample_count, const size_t sampling_rate) {
count += sample_count;
bool update_stats(const size_t sample_count, const size_t sampling_rate);
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.count = count;
squared_sum = 0;
max_squared = 0;
count = 0;
return true;
} else {
return false;
}
}
bool feed(const buffer_f32_t& src);
bool mute(const size_t sample_count, const size_t sampling_rate);
};
#endif/*__AUDIO_STATS_COLLECTOR_H__*/