Audio recording in the Cocoa frontend

Cocoa/AudioRecordingAccessoryView.xib

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14868" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14868"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="Document">
+            <connections>
+                <outlet property="audioFormatButton" destination="knX-AW-zt5" id="fKt-eI-H0y"/>
+                <outlet property="audioRecordingAccessoryView" destination="c22-O7-iKe" id="XD8-Gi-qOC"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customView id="c22-O7-iKe">
+            <rect key="frame" x="0.0" y="0.0" width="354" height="36"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+            <subviews>
+                <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Atq-RE-328">
+                    <rect key="frame" x="18" y="10" width="56" height="16"/>
+                    <autoresizingMask key="autoresizingMask"/>
+                    <textFieldCell key="cell" lineBreakMode="clipping" alignment="right" title="Format:" id="dso-NS-JlD">
+                        <font key="font" metaFont="system"/>
+                        <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                        <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                    </textFieldCell>
+                </textField>
+                <popUpButton verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="knX-AW-zt5">
+                    <rect key="frame" x="81" y="4" width="256" height="25"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                    <popUpButtonCell key="cell" type="push" title="Apple AIFF" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" tag="1" imageScaling="proportionallyDown" inset="2" selectedItem="M3Z-UN-VKZ" id="tLM-Di-Dy3">
+                        <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
+                        <font key="font" metaFont="system"/>
+                        <menu key="menu" id="gqn-SL-AA5">
+                            <items>
+                                <menuItem title="Apple AIFF" state="on" tag="1" id="M3Z-UN-VKZ"/>
+                                <menuItem title="RIFF WAVE" tag="2" id="zA0-Np-4XD"/>
+                                <menuItem title="Raw PCM (Stereo 96KHz, 16-bit LE)" id="r9J-4k-XH5"/>
+                            </items>
+                        </menu>
+                    </popUpButtonCell>
+                    <connections>
+                        <action selector="audioFormatChanged:" target="-2" id="I1k-d9-afp"/>
+                    </connections>
+                </popUpButton>
+            </subviews>
+            <point key="canvasLocation" x="75" y="19"/>
+        </customView>
+    </objects>
+</document>

Cocoa/Document.h

@@ -56,6 +56,8 @@
 @property (readonly) GB_oam_info_t *oamInfo;
 @property uint8_t oamCount;
 @property uint8_t oamHeight;
+@property (strong) IBOutlet NSView *audioRecordingAccessoryView;
+@property (strong) IBOutlet NSPopUpButton *audioFormatButton;
 
 + (NSImage *) imageFromData:(NSData *)data width:(NSUInteger) width height:(NSUInteger) height scale:(double) scale;
 -(uint8_t) readMemory:(uint16_t) addr;

Cocoa/Document.m

@@ -101,6 +101,9 @@ enum model {
     Document *slave;
     signed linkOffset;
     bool linkCableBit;
+    
+    NSSavePanel *_audioSavePanel;
+    bool _isRecordingAudio;
 }
 
 @property GBAudioClient *audioClient;
@@ -1134,7 +1137,7 @@ static unsigned *multiplication_table_for_frequency(unsigned frequency)
         return !GB_debugger_is_stopped(&gb);
     }
     else if ([anItem action] == @selector(reset:) && anItem.tag != MODEL_NONE) {
-        [(NSMenuItem*)anItem setState:anItem.tag == current_model];
+        [(NSMenuItem *)anItem setState:anItem.tag == current_model];
     }
     else if ([anItem action] == @selector(interrupt:)) {
         if (![[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
@@ -1142,26 +1145,29 @@ static unsigned *multiplication_table_for_frequency(unsigned frequency)
         }
     }
     else if ([anItem action] == @selector(disconnectAllAccessories:)) {
-        [(NSMenuItem*)anItem setState:accessory == GBAccessoryNone];
+        [(NSMenuItem *)anItem setState:accessory == GBAccessoryNone];
     }
     else if ([anItem action] == @selector(connectPrinter:)) {
-        [(NSMenuItem*)anItem setState:accessory == GBAccessoryPrinter];
+        [(NSMenuItem *)anItem setState:accessory == GBAccessoryPrinter];
     }
     else if ([anItem action] == @selector(connectWorkboy:)) {
-        [(NSMenuItem*)anItem setState:accessory == GBAccessoryWorkboy];
+        [(NSMenuItem *)anItem setState:accessory == GBAccessoryWorkboy];
     }
     else if ([anItem action] == @selector(connectLinkCable:)) {
-        [(NSMenuItem*)anItem setState:[(NSMenuItem *)anItem representedObject] == master ||
+        [(NSMenuItem *)anItem setState:[(NSMenuItem *)anItem representedObject] == master ||
                                        [(NSMenuItem *)anItem representedObject] == slave];
     }
     else if ([anItem action] == @selector(toggleCheats:)) {
-        [(NSMenuItem*)anItem setState:GB_cheats_enabled(&gb)];
+        [(NSMenuItem *)anItem setState:GB_cheats_enabled(&gb)];
     }
     else if ([anItem action] == @selector(toggleDisplayBackground:)) {
-        [(NSMenuItem*)anItem setState:!GB_is_background_rendering_disabled(&gb)];
+        [(NSMenuItem *)anItem setState:!GB_is_background_rendering_disabled(&gb)];
     }
     else if ([anItem action] == @selector(toggleDisplayObjects:)) {
-        [(NSMenuItem*)anItem setState:!GB_is_object_rendering_disabled(&gb)];
+        [(NSMenuItem *)anItem setState:!GB_is_object_rendering_disabled(&gb)];
+    }
+    else if ([anItem action] == @selector(toggleAudioRecording:)) {
+        [(NSMenuItem *)anItem setTitle:_isRecordingAudio? @"Stop Audio Recording" : @"Start Audio Recording…"];
     }
     
     return [super validateUserInterfaceItem:anItem];
@@ -2388,5 +2394,70 @@ static unsigned *multiplication_table_for_frequency(unsigned frequency)
     }];
 }
 
+- (IBAction)toggleAudioRecording:(id)sender
+{
+
+    bool shouldResume = running;
+    [self stop];
+    if (_isRecordingAudio) {
+        _isRecordingAudio = false;
+        int error = GB_stop_audio_recording(&gb);
+        if (error) {
+            NSAlert *alert = [[NSAlert alloc] init];
+            [alert setMessageText:[NSString stringWithFormat:@"Could not finalize recording: %s", strerror(error)]];
+            [alert setAlertStyle:NSAlertStyleCritical];
+            [alert runModal];
+        }
+        else {
+            [self.osdView displayText:@"Audio recording ended"];
+        }
+        if (shouldResume) {
+            [self start];
+        }
+        return;
+    }
+    _audioSavePanel = [NSSavePanel savePanel];
+    if (!self.audioRecordingAccessoryView) {
+        [[NSBundle mainBundle] loadNibNamed:@"AudioRecordingAccessoryView" owner:self topLevelObjects:nil];
+    }
+    _audioSavePanel.accessoryView = self.audioRecordingAccessoryView;
+    [self audioFormatChanged:self.audioFormatButton];
+    
+    [_audioSavePanel beginSheetModalForWindow:self.mainWindow completionHandler:^(NSInteger result) {
+        if (result == NSModalResponseOK) {
+            [_audioSavePanel orderOut:self];
+            int error = GB_start_audio_recording(&gb, _audioSavePanel.URL.fileSystemRepresentation, self.audioFormatButton.selectedTag);
+            if (error) {
+                NSAlert *alert = [[NSAlert alloc] init];
+                [alert setMessageText:[NSString stringWithFormat:@"Could not start recording: %s", strerror(error)]];
+                [alert setAlertStyle:NSAlertStyleCritical];
+                [alert runModal];
+            }
+            else {
+                [self.osdView displayText:@"Audio recording started"];
+                _isRecordingAudio = true;
+            }
+        }
+        if (shouldResume) {
+            [self start];
+        }
+        _audioSavePanel = nil;
+    }];
+}
+
+- (IBAction)audioFormatChanged:(NSPopUpButton *)sender
+{
+    switch ((GB_audio_format_t)sender.selectedTag) {
+        case GB_AUDIO_FORMAT_RAW:
+            _audioSavePanel.allowedFileTypes = @[@"raw", @"pcm"];
+            break;
+        case GB_AUDIO_FORMAT_AIFF:
+            _audioSavePanel.allowedFileTypes = @[@"aiff", @"aif", @"aifc"];
+            break;
+        case GB_AUDIO_FORMAT_WAV:
+            _audioSavePanel.allowedFileTypes = @[@"wav"];
+            break;
+    }
+}
 
 @end

Cocoa/MainMenu.xib

@@ -370,9 +370,14 @@
                                 </connections>
                             </menuItem>
                             <menuItem isSeparatorItem="YES" id="DPb-Sh-5tg"/>
-                            <menuItem title="Mute Sound" keyEquivalent="m" id="1UK-8n-QPP">
+                            <menuItem title="Start Audio Recording…" keyEquivalent="A" id="1UK-8n-QPP">
                                 <connections>
-                                    <action selector="mute:" target="-1" id="YE5-mi-Yzd"/>
+                                    <action selector="toggleAudioRecording:" target="-1" id="YE5-mi-Yzd"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Mute Sound" keyEquivalent="m" id="zo0-Rh-wTu">
+                                <connections>
+                                    <action selector="mute:" target="-1" id="eK3-ea-ExJ"/>
                                 </connections>
                             </menuItem>
                         </items>