1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include "engine.hh"
#include "audio.hh"
#include "song.hh"
#include "database.hh"
#include "configuration.hh"
#include <iostream>
#include <list>
const double Engine::TIMESTEP = 0.01;
Engine::Engine(Audio& audio, VocalTrackPtrs vocals, Database& database):
m_audio(audio), m_time(), m_quit(), m_database(database)
{
auto& analyzers = m_audio.analyzers();
if (analyzers.size() != vocals.size()) throw std::logic_error("Engine requires the same number of vocal tracks as there are analyzers.");
// Clear old player information
m_database.cur.clear();
m_database.scores.clear();
unsigned i = 0;
for (Analyzer& a: analyzers) {
// Calculate the space required for pitch frames
size_t frames = vocals[i]->endTime / Engine::TIMESTEP;
m_database.cur.push_back(Player(*vocals[i], a, frames));
++i;
}
m_thread.reset(new std::thread(std::ref(*this)));
}
void Engine::operator()() {
while (!m_quit) {
for (Player& player: m_database.cur) player.prepare();
double t = m_audio.getPosition() - config["audio/round-trip"].f();
double timeLeft = m_time - t;
if (timeLeft != timeLeft || timeLeft > 1.0) timeLeft = 1.0; // FIXME: Workaround for NaN values and other weirdness (should fix the weirdness instead)
if (timeLeft > 0.0) { std::this_thread::sleep_for(std::min(TIMESTEP, timeLeft) * 1s); continue; }
for (Player& player: m_database.cur) player.update();
m_time += TIMESTEP;
}
}
|
