Function make_triangular_overlap_window

src/framework/audio/chunking.cpp:306–322

                split = (search_start + search_end) / 2;
            } else {
                float min_energy = std::numeric_limits<float>::infinity();
                const int64_t upper = search_end - search_start - options.min_energy_window_samples;
                for (int64_t i = 0; i < upper; i += options.min_energy_window_samples) {
                    double sum = 0.0;
                    for (int64_t j = 0; j < options.min_energy_window_samples; ++j) {
                        const float value = mono_samples[static_cast<size_t>(search_start + i + j)];
                        sum += static_cast<double>(value) * static_cast<double>(value);
                    }
                    const float energy =
                        std::sqrt(static_cast<float>(sum / static_cast<double>(options.min_energy_window_samples)));
                    if (energy < min_energy) {
                        min_energy = energy;
                        split = search_start + i;
                    }
                }
            }
        }
        split = std::max<int64_t>(index + 1, std::min<int64_t>(split, total));
        chunks.push_back({index, split});
        index = split;