git.sesse.net Git - nageru/blob - nageru/delay_analyzer.cpp

   1 #include "delay_analyzer.h"
   2
   3 #include "audio_mixer.h"
   4 #include "ui_delay_analyzer.h"
   5
   6 #include <bmusb/bmusb.h>
   7
   8 #include <memory>
   9
  10 using namespace bmusb;
  11 using namespace std;
  12 using namespace std::chrono;
  13 using namespace std::placeholders;
  14
  15 DelayAnalyzer::DelayAnalyzer()
  16         : ui(new Ui::DelayAnalyzer),
  17           devices(global_audio_mixer->get_devices(AudioMixer::HOLD_NO_DEVICES))
  18 {
  19         ui->setupUi(this);
  20         connect(ui->grab_btn, &QPushButton::clicked, this, &DelayAnalyzer::grab_clicked);
  21
  22         connect(ui->card_combo_1, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
  23                 bind(&DelayAnalyzer::card_selected, this, ui->card_combo_1, _1));
  24         connect(ui->card_combo_2, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
  25                 bind(&DelayAnalyzer::card_selected, this, ui->card_combo_2, _1));
  26         connect(ui->channel_combo_1, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
  27                 bind(&DelayAnalyzer::channel_selected, this, ui->channel_combo_1));
  28         connect(ui->channel_combo_2, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
  29                 bind(&DelayAnalyzer::channel_selected, this, ui->channel_combo_2));
  30
  31         for (const auto &spec_and_info : devices) {
  32                 QString label(QString::fromStdString(spec_and_info.second.display_name));
  33                 ui->card_combo_1->addItem(label + "   ", qulonglong(DeviceSpec_to_key(spec_and_info.first)));
  34                 ui->card_combo_2->addItem(label + "   ", qulonglong(DeviceSpec_to_key(spec_and_info.first)));
  35         }
  36
  37         ui->peak_display_1->set_audio_clip(&clip1);
  38         ui->peak_display_2->set_audio_clip(&clip2);
  39 }
  40
  41 DelayAnalyzer::~DelayAnalyzer()
  42 {
  43 }
  44
  45 void DelayAnalyzer::grab_clicked()
  46 {
  47         grabbing = true;
  48         clip1.clear();
  49         clip2.clear();
  50         ui->peak_display_1->reset_base();
  51         ui->peak_display_2->reset_base();
  52         ui->peak_display_1->audio_clip_updated();
  53         ui->peak_display_2->audio_clip_updated();
  54 }
  55
  56 void DelayAnalyzer::card_selected(QComboBox *card_combo, int selected_index)
  57 {
  58         assert(card_combo == ui->card_combo_1 || card_combo == ui->card_combo_2);
  59         QComboBox *channel_combo = (card_combo == ui->card_combo_1 ? ui->channel_combo_1 : ui->channel_combo_2);
  60         int current_channel = channel_combo->currentIndex();
  61
  62         channel_combo->clear();
  63
  64         uint64_t key = card_combo->itemData(selected_index).toULongLong();
  65         auto device_it = devices.find(key_to_DeviceSpec(key));
  66         assert(device_it != devices.end());
  67         unsigned num_device_channels = device_it->second.num_channels;
  68         for (unsigned source = 0; source < num_device_channels; ++source) {
  69                 char buf[256];
  70                 snprintf(buf, sizeof(buf), "Channel %u   ", source + 1);
  71                 channel_combo->addItem(QString(buf));
  72         }
  73
  74         if (current_channel != -1 && current_channel < channel_combo->count()) {
  75                 channel_combo->setCurrentIndex(current_channel);
  76         } else {
  77                 channel_combo->setCurrentIndex(0);
  78         }
  79
  80         if (card_combo == ui->card_combo_1) {
  81                 clip1.clear();
  82                 ui->peak_display_1->audio_clip_updated();
  83         } else {
  84                 clip2.clear();
  85                 ui->peak_display_2->audio_clip_updated();
  86         }
  87 }
  88
  89 void DelayAnalyzer::channel_selected(QComboBox *channel_combo)
  90 {
  91         if (channel_combo == ui->channel_combo_1) {
  92                 clip1.clear();
  93                 ui->peak_display_1->audio_clip_updated();
  94         } else {
  95                 clip2.clear();
  96                 ui->peak_display_2->audio_clip_updated();
  97         }
  98 }
  99
 100 DeviceSpec DelayAnalyzer::get_selected_device(QComboBox *card_combo)
 101 {
 102         return key_to_DeviceSpec(card_combo->currentData().toULongLong());
 103 }
 104
 105 void DelayAnalyzer::add_audio(DeviceSpec device_spec, const uint8_t *data, unsigned num_samples, AudioFormat audio_format, steady_clock::time_point frame_time)
 106 {
 107         unique_ptr<float[]> tmp;
 108
 109         if (device_spec == get_selected_device(ui->card_combo_1)) {
 110                 tmp.reset(new float[num_samples]);
 111
 112                 convert_audio_to_fp32(tmp.get(), /*out_channel=*/0, /*out_num_channels=*/1, data, ui->channel_combo_1->currentIndex(), audio_format, num_samples);
 113                 clip1.add_audio(tmp.get(), num_samples, audio_format.sample_rate, frame_time);
 114                 ui->peak_display_1->audio_clip_updated();
 115         }
 116         if (device_spec == get_selected_device(ui->card_combo_2)) {
 117                 if (tmp == nullptr) {
 118                         tmp.reset(new float[num_samples]);
 119                 }
 120
 121                 convert_audio_to_fp32(tmp.get(), /*out_channel=*/0, /*out_num_channels=*/1, data, ui->channel_combo_2->currentIndex(), audio_format, num_samples);
 122                 clip2.add_audio(tmp.get(), num_samples, audio_format.sample_rate, frame_time);
 123                 ui->peak_display_2->audio_clip_updated();
 124         }
 125
 126         if (clip1.empty() && clip2.empty()) {
 127                 // No interesting data yet.
 128                 return;
 129         }
 130
 131         steady_clock::time_point base;
 132         if (!clip1.empty() && !clip2.empty()) {
 133                 base = max(clip1.get_first_sample(), clip2.get_first_sample());
 134         } else if (!clip1.empty()) {
 135                 base = clip1.get_first_sample();
 136         } else {
 137                 assert(!clip2.empty());
 138                 base = clip2.get_first_sample();
 139         }
 140         ui->peak_display_1->set_base(base);
 141         ui->peak_display_2->set_base(base);
 142
 143         if (clip1.get_length_seconds_after_base(base) >= 1.0 &&
 144             clip2.get_length_seconds_after_base(base) >= 1.0) {
 145                 grabbing = false;
 146         }
 147 }