Update input rate at right locations.

apu/resampler.h

@@ -93,13 +93,13 @@ class Resampler
 
     inline void dump(unsigned int num_samples)
     {
-        if (space_filled() >= num_samples)
+        if ((unsigned int)space_filled() >= num_samples)
             start = (start + num_samples) % buffer_size;
     }
 
     inline void add_silence(unsigned int num_samples)
     {
-        if (space_empty() <= num_samples)
+        if ((unsigned int)space_empty() <= num_samples)
         {
             int new_end = (end + num_samples) % buffer_size;
 

common/audio/s9x_sound_driver_oss.cpp

@@ -161,7 +161,7 @@ std::pair<int, int> S9xOSSSoundDriver::buffer_level()
     return { space_free(), output_buffer_size_bytes / 2};
 }
 
-void S9xOSSSoundDriver::write_samples(int16_t *data, int samples)
+bool S9xOSSSoundDriver::write_samples(int16_t *data, int samples)
 {
     audio_buf_info info;
     int bytes_to_write;
@@ -173,7 +173,7 @@ void S9xOSSSoundDriver::write_samples(int16_t *data, int samples)
         samples = info.bytes / 2;
 
     if (samples == 0)
-        return;
+        return false;
 
     bytes_written = 0;
     bytes_to_write = samples * 2;
@@ -191,4 +191,6 @@ void S9xOSSSoundDriver::write_samples(int16_t *data, int samples)
 
         bytes_written += result;
     }
+
+    return true;
 }

common/audio/s9x_sound_driver_oss.hpp

@@ -18,7 +18,7 @@ class S9xOSSSoundDriver : public S9xSoundDriver
     bool open_device(int playback_rate, int buffer_size_ms) override;
     void start() override;
     void stop() override;
-    void write_samples(int16_t *data, int samples) override;
+    bool write_samples(int16_t *data, int samples) override;
     int space_free() override;
     std::pair<int, int> buffer_level() override;
 

external/SPIRV-Cross

@@ -1 +1 @@
-Subproject commit 4e2fdb25671c742a9fbe93a6034eb1542244c7e1
+Subproject commit 197a273fd494321157f40a962c51b5fa8c9c3581

qt/src/EmuApplication.cpp

@@ -6,6 +6,7 @@
 #include "common/audio/s9x_sound_driver_pulse.hpp"
 #endif
 #include <QTimer>
+#include <QScreen>
 #include <chrono>
 #include <thread>
 using namespace std::chrono_literals;
@@ -138,7 +139,7 @@ void EmuApplication::startGame()
         }
     };
 
-    core->updateSettings(config.get());
+    updateSettings();
     updateBindings();
 
     startIdleLoop();
@@ -333,6 +334,20 @@ bool EmuApplication::isBound(EmuBinding b)
 
 void EmuApplication::updateSettings()
 {
+    if (config->adjust_input_rate_automatically)
+    {
+        constexpr double ir_ratio = 60.098813 / 32040.0;
+
+        auto refresh = window->screen()->refreshRate();
+        config->input_rate = refresh / ir_ratio;
+        if (refresh > 119 && refresh < 121)
+            config->input_rate /= 2;
+        else if (refresh > 179 && refresh < 181)
+            config->input_rate /= 3;
+        else if (refresh > 239 && refresh < 241)
+            config->input_rate /= 4;
+    }
+
     core->updateSettings(config.get());
 }
 

qt/src/SoundPanel.cpp

@@ -1,5 +1,4 @@
 #include "SoundPanel.hpp"
-#include <QScreen>
 
 static const int playback_rates[] = { 96000, 48000, 44100 };
 
@@ -39,20 +38,19 @@ SoundPanel::SoundPanel(EmuApplication *app_)
 
     connect(checkBox_adjust_input_rate, &QCheckBox::clicked, [&](bool checked) {
         app->config->adjust_input_rate_automatically = checked;
+        app->updateSettings();
+        updateInputRate();
+
         if (checked)
         {
-            int calculated = screen()->refreshRate() / 60.09881 * 32040;
-            horizontalSlider_input_rate->setValue(calculated);
+           horizontalSlider_input_rate->setValue(app->config->input_rate);
         }
-
-        horizontalSlider_input_rate->setDisabled(checked);
-        app->updateSettings();
     });
 
     connect(horizontalSlider_input_rate, &QSlider::valueChanged, [&](int value) {
         app->config->input_rate = value;
-        setInputRateText(value);
         app->updateSettings();
+        updateInputRate();
     });
 
     connect(checkBox_dynamic_rate_control, &QCheckBox::clicked, [&](bool checked) {
@@ -78,10 +76,19 @@ SoundPanel::~SoundPanel()
 {
 }
 
-void SoundPanel::setInputRateText(int value)
+void SoundPanel::updateInputRate()
 {
-    double hz = value / 32040.0 * 60.09881;
-    label_input_rate->setText(QString("%1\n%2 Hz").arg(value).arg(hz, 6, 'g', 6));
+    constexpr double ir_ratio = 60.098813 / 32040.0;
+
+    app->updateSettings();
+    if (app->config->adjust_input_rate_automatically)
+        horizontalSlider_input_rate->setEnabled(false);
+    else
+        horizontalSlider_input_rate->setEnabled(true);
+
+    double hz = app->config->input_rate * ir_ratio;
+
+    label_input_rate->setText(QString("%1\n%2 Hz").arg(app->config->input_rate).arg(hz, 6, 'g', 6));
 }
 
 void SoundPanel::showEvent(QShowEvent *event)
@@ -126,7 +133,8 @@ void SoundPanel::showEvent(QShowEvent *event)
     spinBox_buffer_size->setValue(config->audio_buffer_size_ms);
 
     checkBox_adjust_input_rate->setChecked(config->adjust_input_rate_automatically);
-    setInputRateText(config->input_rate);
+    updateInputRate();
+    horizontalSlider_input_rate->setValue(config->input_rate);
     checkBox_dynamic_rate_control->setChecked(config->dynamic_rate_control);
     doubleSpinBox_dynamic_rate_limit->setValue(config->dynamic_rate_limit);
 

qt/src/SoundPanel.hpp

@@ -12,7 +12,7 @@ class SoundPanel :
     ~SoundPanel();
     EmuApplication *app;
     void showEvent(QShowEvent *event) override;
-    void setInputRateText(int value);
+    void updateInputRate();
 
     std::vector<std::string> driver_list;
 };