diff examples/iAudioDB/AppController.m @ 669:780ebab29268

Added initial increment of OSX audioDB interface

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/iAudioDB/AppController.m	Wed Mar 03 17:17:08 2010 +0000
@@ -0,0 +1,602 @@
+//
+//  AppController.m
+//  iAudioDB
+//
+//  Created by Mike Jewell on 27/01/2010.
+//  Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import "AppController.h"
+
+
+@implementation AppController
+
+-(id)init
+{
+	[super init];
+	
+	// A max of 100 results.
+	results = [[NSMutableArray alloc] initWithCapacity: 100];
+	
+	
+	return self;
+}
+
+
+/**
+ * Create a new database, given the selected filename.
+ */
+-(IBAction)newDatabase:(id)sender
+{
+	NSSavePanel* panel = [NSSavePanel savePanel];
+	NSInteger response = [panel runModalForDirectory:NSHomeDirectory() file:@""];
+	
+	[results removeAllObjects];
+	[tracksView reloadData];
+	
+	if(response == NSFileHandlingPanelOKButton)
+	{
+		// TODO: Refactor this into a 'tidy' method.
+		// Tidy any existing references up.
+		if(db)
+		{
+			audiodb_close(db);
+		}
+		
+		if(dbFilename)
+		{
+			[dbFilename release];
+			[dbName release];
+			[plistFilename release];
+		}
+		
+		// Create new db, and set flags.
+		db = audiodb_create([[panel filename] cStringUsingEncoding:NSUTF8StringEncoding], 0, 0, 0);
+		audiodb_l2norm(db);
+		audiodb_power(db);
+		
+		// Store useful paths.
+		dbName = [[[panel URL] relativePath] retain];
+		dbFilename = [[panel filename] retain];
+		plistFilename = [[NSString stringWithFormat:@"%@.plist", [dbFilename stringByDeletingPathExtension]] retain];
+		
+		// Create the plist file (contains mapping from filename to key).
+		trackMap = [[NSMutableDictionary alloc] init];
+		[trackMap writeToFile:plistFilename atomically:YES];
+		
+		[queryKey setStringValue:@"None Selected"];
+		[self updateStatus];
+	}
+}
+
+/**
+ * Open an existing adb (which must have a plist)
+ */
+-(IBAction)openDatabase:(id)sender
+{	
+	NSArray *fileTypes = [NSArray arrayWithObject:@"adb"];
+	NSOpenPanel* panel = [NSOpenPanel openPanel];
+	NSInteger response = [panel runModalForDirectory:NSHomeDirectory() file:@"" types:fileTypes];
+	if(response == NSFileHandlingPanelOKButton)
+	{
+		// Tidy any existing references up.
+		if(db)
+		{
+			audiodb_close(db);
+		}
+		
+		if(dbFilename)
+		{
+			[dbFilename release];
+			[dbName release];
+			[plistFilename release];
+		}
+		
+		// Store useful paths.
+		db = audiodb_open([[panel filename] cStringUsingEncoding:NSUTF8StringEncoding], O_RDWR);
+		dbName = [[[panel URL] relativePath] retain];
+		dbFilename = [[panel filename] retain];
+		
+		// TODO: Verify this exists!
+		plistFilename = [[NSString stringWithFormat:@"%@.plist", [dbFilename stringByDeletingPathExtension]] retain];
+		
+		// Clear out any old results.
+		[results removeAllObjects];
+		[tracksView reloadData];
+		
+		[queryKey setStringValue:@"None Selected"];
+		[self updateStatus];
+		
+		adb_liszt_results_t* liszt_results = audiodb_liszt(db);
+		
+		for(int k=0; k<liszt_results->nresults; k++)
+		{
+			NSMutableString *trackVal = [[NSMutableString alloc] init];
+			[trackVal appendFormat:@"%s", liszt_results->entries[k].key];
+		}
+		
+		audiodb_liszt_free_results(db, liszt_results);
+		trackMap = [[[NSMutableDictionary alloc] initWithContentsOfFile:plistFilename] retain];
+		NSLog(@"Size: %d", [trackMap count]);
+	}
+}
+
+/**
+ * Update button states and status field based on current state.
+ */
+-(void)updateStatus
+{
+	if(db)
+	{
+		adb_status_ptr status = (adb_status_ptr)malloc(sizeof(struct adbstatus));
+		int flags;
+		flags = audiodb_status(db, status);
+		[statusField setStringValue: [NSString stringWithFormat:@"Database: %@ Dimensions: %d Files: %d", dbName, status->dim, status->numFiles]];
+		[chooseButton setEnabled:YES];
+	}
+	else
+	{
+		[chooseButton setEnabled:NO];
+		[playBothButton setEnabled:FALSE];
+		[playResultButton setEnabled:FALSE];
+	}
+}
+
+/**
+ * Get user's import choices.
+ */
+-(IBAction)importAudio:(id)sender
+{
+	[NSApp beginSheet:importSheet modalForWindow:mainWindow modalDelegate:self didEndSelector:NULL contextInfo:nil];
+	session = [NSApp beginModalSessionForWindow: importSheet];
+	[NSApp runModalSession:session];
+}
+
+/**
+ * Cancel the import (at configuration time).
+ */
+-(IBAction)cancelImport:(id)sender;
+{
+	[NSApp endModalSession:session];
+	[importSheet orderOut:nil];
+	[NSApp endSheet:importSheet];
+}
+
+/**
+ * Choose the file(s) to be imported.
+ * TODO: Currently handles the import process too - split this off.
+ */
+-(IBAction)selectFiles:(id)sender
+{
+	[tracksView reloadData];
+	
+	NSArray *fileTypes = [NSArray arrayWithObject:@"wav"];
+	NSOpenPanel* panel = [NSOpenPanel openPanel];
+	[panel setAllowsMultipleSelection:TRUE];
+	NSInteger response = [panel runModalForDirectory:NSHomeDirectory() file:@"" types:fileTypes];
+	if(response == NSFileHandlingPanelOKButton)
+	{
+		NSRect newFrame;
+		
+		[extractingBox setHidden:FALSE];
+		newFrame.origin.x = [importSheet frame].origin.x;
+		newFrame.origin.y = [importSheet frame].origin.y - [extractingBox frame].size.height;
+		newFrame.size.width = [importSheet frame].size.width;
+		newFrame.size.height = [importSheet frame].size.height + [extractingBox frame].size.height;
+		
+		[indicator startAnimation:self];
+		[importSheet setFrame:newFrame display:YES animate:YES];
+		
+		NSArray *filesToOpen = [panel filenames];
+		
+		NSLog(@"Begin import");
+		
+		// Work out which extractor to use
+		NSString* extractor = @"chromagram";
+		switch([extractorOptions selectedTag])
+		{
+			case 0:
+				extractor = @"mfcc";
+				break;
+			case 1:
+				extractor = @"chromagram";
+				break;
+		}
+		
+		for(int i=0; i<[filesToOpen count]; i++)
+		{
+			// First extract powers
+			
+			NSString *tempFileTemplate = [NSTemporaryDirectory() stringByAppendingPathComponent:@"powers.XXXXXX"];
+			const char *tempFileTemplateCString = [tempFileTemplate fileSystemRepresentation];
+			char *tempFileNameCString = (char *)malloc(strlen(tempFileTemplateCString) + 1);
+			strcpy(tempFileNameCString, tempFileTemplateCString);
+			mktemp(tempFileNameCString);
+			
+			NSString* powersFileName = [[NSFileManager defaultManager] stringWithFileSystemRepresentation:tempFileNameCString length:strlen(tempFileNameCString)];
+			free(tempFileNameCString);
+			
+			NSTask *task = [[NSTask alloc] init];
+			[task setLaunchPath:@"/usr/local/bin/fftExtract2"];
+			NSArray *args = [NSArray arrayWithObjects:@"-P", @"-h", @"11025", @"-w", @"16384", @"-n", @"32768", @"-i", @"1000", [filesToOpen objectAtIndex:i], powersFileName, nil];
+			[task setArguments:args];
+			[task launch];
+			[task waitUntilExit];
+			[task release];
+			
+			// Then features
+			
+			tempFileTemplate = [NSTemporaryDirectory() stringByAppendingPathComponent:@"features.XXXXXX"];
+			tempFileTemplateCString = [tempFileTemplate fileSystemRepresentation];
+			tempFileNameCString = (char *)malloc(strlen(tempFileTemplateCString) + 1);
+			strcpy(tempFileNameCString, tempFileTemplateCString);
+			mktemp(tempFileNameCString);
+
+			NSString* featuresFileName = [[NSFileManager defaultManager] stringWithFileSystemRepresentation:tempFileNameCString length:strlen(tempFileNameCString)];
+			free(tempFileNameCString);
+			
+			task = [[NSTask alloc] init];
+			
+			[task setLaunchPath:@"/usr/local/bin/fftExtract2"];
+			
+			NSArray *args2;
+			
+			// Choose the args (TODO: This should use sonic annotator eventually)
+			if([extractor isEqualToString:@"chromagram"])
+			{
+				args2 = [NSArray arrayWithObjects:@"-p",@"/Users/moj/planfile",@"-c", @"36", @"-h", @"11025", @"-w", @"16384", @"-n", @"32768", @"-i", @"1000", [filesToOpen objectAtIndex:i], featuresFileName, nil];
+			}
+			else
+			{
+				args2 = [NSArray arrayWithObjects:@"-p",@"/Users/moj/planfile",@"-m", @"13", @"-h", @"11025", @"-w", @"16384", @"-n ", @"32768", @"-i", @"1000", [filesToOpen objectAtIndex:i], featuresFileName, nil];
+			}
+			[task setArguments:args2];
+			[task launch];
+			[task waitUntilExit];
+			[task release];
+			
+			NSString* val = [[filesToOpen objectAtIndex:i] retain];
+			NSString* key = [[[filesToOpen objectAtIndex:i] lastPathComponent] retain]; 
+			
+			adb_insert_t insert;
+			insert.features = [featuresFileName cStringUsingEncoding:NSUTF8StringEncoding];
+			insert.power = [powersFileName cStringUsingEncoding:NSUTF8StringEncoding];
+			insert.times = NULL;
+			insert.key = [key cStringUsingEncoding:NSUTF8StringEncoding];
+			
+			// Insert into db.
+			if(audiodb_insert(db, &insert))
+			{
+				// TODO: Show an error message.
+				NSLog(@"Weep: %@ %@ %@", featuresFileName, powersFileName, key);
+				continue;
+			}
+			
+			// Update the plist store.
+			[trackMap setValue:val forKey:key];
+			[trackMap writeToFile:plistFilename atomically: YES];
+			
+			[self updateStatus];
+		}
+		
+		newFrame.origin.x = [importSheet frame].origin.x;
+		newFrame.origin.y = [importSheet frame].origin.y + [extractingBox frame].size.height;
+		newFrame.size.width = [importSheet frame].size.width;
+		newFrame.size.height = [importSheet frame].size.height - [extractingBox frame].size.height;
+		
+		[importSheet setFrame:newFrame display:YES animate:YES];
+		
+		[NSApp endModalSession:session];
+		[importSheet orderOut:nil];
+		[NSApp endSheet:importSheet];
+		[indicator stopAnimation:self];
+		[extractingBox setHidden:TRUE];
+	}
+}
+
+/**
+ * Required table methods begin here.
+ */
+-(int)numberOfRowsInTableView:(NSTableView *)v
+{
+	return [results count];
+}
+
+/**
+ * Return appropriate values - or the distance indicator if it's the meter column.
+ */
+-(id)tableView:(NSTableView *)v objectValueForTableColumn:(NSTableColumn *)tc row:(NSInteger)row
+{
+	id result = [results objectAtIndex:row];
+	id value = [result objectForKey:[tc identifier]];
+	
+	if([[tc identifier] isEqualToString:@"meter"])
+	{
+		NSLevelIndicatorCell *distance = [[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSRelevancyLevelIndicatorStyle];
+		[distance setFloatValue:10-[(NSNumber*)value floatValue]*100];
+		return distance;
+	}
+	else
+	{
+		return value;
+	}
+}
+
+/**
+ * Handle column sorting.
+ */
+- (void)tableView:(NSTableView *)v sortDescriptorsDidChange:(NSArray *)oldDescriptors
+{
+    [results sortUsingDescriptors:[v sortDescriptors]];
+    [v reloadData];
+}
+
+/**
+ * Only enable the import menu option if a database is loaded.
+ */
+- (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem
+{
+	SEL theAction = [anItem action];
+	if (theAction == @selector(importAudio:))
+	{
+		if(!db)
+		{
+			return NO;
+		}
+	}
+	return YES;
+}
+
+/**
+ * Ensure play buttons are only enabled if a track is selected.
+ */
+-(IBAction)selectedChanged:(id)sender
+{
+	if([tracksView numberOfSelectedRows] == 0)
+	{
+		[playBothButton setEnabled:FALSE];
+		[playResultButton setEnabled:FALSE];
+	}
+	else
+	{
+		[playBothButton setEnabled:TRUE];
+		[playResultButton setEnabled:TRUE];
+	}
+}
+
+/**
+ * Play just the result track.
+ */
+-(IBAction)playResult:(id)sender
+{
+
+	NSDictionary* selectedRow = [results objectAtIndex:[tracksView selectedRow]];
+	NSString* value = [selectedRow objectForKey:@"key"];
+	float ipos = [[selectedRow objectForKey:@"ipos"] floatValue];
+	NSString* filename = [trackMap objectForKey:value];
+	NSLog(@"Key: %@ Value: %@", value, filename);
+	
+	if(queryTrack)
+	{
+		if([queryTrack isPlaying])
+		{
+			[queryTrack setDelegate:Nil];
+			[queryTrack stop];
+		}
+		[queryTrack release];
+	}
+	
+	if(resultTrack)
+	{
+		if([resultTrack isPlaying])
+		{
+			[resultTrack setDelegate:Nil];
+			[resultTrack stop];
+		}
+		[resultTrack release];
+	}
+	
+	resultTrack = [[[NSSound alloc] initWithContentsOfFile:filename byReference:YES] retain];
+	[resultTrack setCurrentTime:ipos];
+	[resultTrack setDelegate:self];
+	[resultTrack play];
+	
+	[stopButton setEnabled:YES];
+}
+
+/**
+ * Play the result and query simultaneously.
+ */
+-(IBAction)playBoth:(id)sender
+{
+	
+	NSDictionary* selectedRow = [results objectAtIndex:[tracksView selectedRow]];
+	NSString* value = [selectedRow objectForKey:@"key"];
+	float ipos = [[selectedRow objectForKey:@"ipos"] floatValue];
+	float qpos = [[selectedRow objectForKey:@"qpos"] floatValue];
+	NSString* filename = [trackMap objectForKey:value];
+	NSLog(@"Key: %@ Value: %@", value, filename);
+		
+	if(queryTrack)
+	{
+		
+		if([queryTrack isPlaying])
+		{
+			[queryTrack setDelegate:Nil];
+			[queryTrack stop];
+		}
+		[queryTrack release];
+	}
+	if(resultTrack)
+	{
+		if([resultTrack isPlaying])
+		{
+			[resultTrack setDelegate:Nil];
+			[resultTrack stop];
+		}
+		[resultTrack release];
+	}
+	
+	// Get query track and shift to start point
+	queryTrack = [[[NSSound alloc] initWithContentsOfFile:selectedFilename byReference:YES] retain];
+	[queryTrack setCurrentTime:qpos];
+	[queryTrack setDelegate:self];
+	
+	[queryTrack play];
+	
+	resultTrack = [[[NSSound alloc] initWithContentsOfFile:filename byReference:YES] retain];
+	[resultTrack setCurrentTime:ipos];
+	[resultTrack setDelegate:self];
+	[resultTrack play];
+	
+	[stopButton setEnabled:YES];
+}
+
+/**
+ * Disable the stop button after playback of both tracks.
+ */
+- (void)sound:(NSSound *)sound didFinishPlaying:(BOOL)playbackSuccessful
+{
+	
+	if((queryTrack && [queryTrack isPlaying]) || (resultTrack && [resultTrack isPlaying]))
+	{
+		return;
+	}
+	else
+	{
+		[stopButton setEnabled:NO];
+	}
+}
+
+/**
+ * Stop playback.
+ */
+-(IBAction)stopPlay:(id)sender
+{
+	if(queryTrack)
+	{
+		[queryTrack stop];
+	}
+	if(resultTrack)
+	{
+		[resultTrack stop];
+	}
+}
+
+/**
+ * Select an audio file, determine the key, and fire off a query.
+ */
+-(IBAction)chooseQuery:(id)sender
+{
+	NSArray* fileTypes = [NSArray arrayWithObject:@"wav"];
+	NSOpenPanel* panel = [NSOpenPanel openPanel];
+	NSInteger response = [panel runModalForDirectory:NSHomeDirectory() file:@"" types:fileTypes];
+	if(response == NSFileHandlingPanelOKButton)
+	{
+		NSLog(@"%@", [panel filename]);
+		// Grab key
+		NSArray* opts = [trackMap allKeysForObject:[panel filename]];
+		if([opts count] != 1)
+		{
+			NSAlert *alert = [[[NSAlert alloc] init] autorelease];
+			[alert addButtonWithTitle:@"OK"];
+			[alert setMessageText:@"Track not found"];
+			[alert setInformativeText:@"Make sure you have specified a valid track identifier."];
+			[alert setAlertStyle:NSWarningAlertStyle];
+			[alert beginSheetModalForWindow:mainWindow modalDelegate:self didEndSelector:NULL contextInfo:nil];
+		}
+		else
+		{
+			selectedKey = [opts objectAtIndex:0];
+			[queryKey setStringValue:selectedKey];
+			selectedFilename = [[panel filename] retain];
+			[self performQuery];
+		}
+	}
+}
+
+/**
+ * Actually perform the query. TODO: Monolithic.
+ */
+-(void)performQuery
+{
+	NSLog(@"Perform query! %@, %@", selectedKey, selectedFilename);
+	
+	adb_query_spec_t *spec = (adb_query_spec_t *)malloc(sizeof(adb_query_spec_t));
+	spec->qid.datum = (adb_datum_t *)malloc(sizeof(adb_datum_t));
+	
+	spec->qid.sequence_length = 20;
+	spec->qid.sequence_start = 0;
+	spec->qid.flags = 0;
+	
+//	spec->qid.flags = spec->qid.flags | ADB_QID_FLAG_EXHAUSTIVE;
+	spec->params.accumulation = ADB_ACCUMULATION_PER_TRACK;
+	spec->params.distance = ADB_DISTANCE_EUCLIDEAN_NORMED;
+	
+	spec->params.npoints = 1;
+	spec->params.ntracks = 100;
+	//spec->refine.radius = 5.0;
+	spec->refine.hopsize = 1;
+//	spec->refine.absolute_threshold = -6;
+//	spec->refine.relative_threshold = 10;
+//	spec->refine.duration_ratio = 0;
+	
+	spec->refine.flags = 0;
+//	spec->refine.flags |= ADB_REFINE_ABSOLUTE_THRESHOLD;
+//	spec->refine.flags |= ADB_REFINE_RELATIVE_THRESHOLD;
+	spec->refine.flags |= ADB_REFINE_HOP_SIZE;
+	//spec->refine.flags |= ADB_REFINE_RADIUS;
+
+	adb_query_results_t *result = (adb_query_results_t *)malloc(sizeof(adb_query_results_t));
+	spec->qid.datum->data = NULL;
+	spec->qid.datum->power = NULL;
+	spec->qid.datum->times = NULL;
+	
+	[results removeAllObjects];
+	
+	int ok = audiodb_retrieve_datum(db, [selectedKey cStringUsingEncoding:NSUTF8StringEncoding], spec->qid.datum);
+	if(ok == 0)
+	{
+		NSLog(@"Got a datum");
+		result = audiodb_query_spec(db, spec);
+		if(result == NULL)
+		{
+			
+			NSLog(@"No results");
+		}
+		else
+		{
+			for(int i=0; i<result->nresults; i++)
+			{
+				NSMutableDictionary* dict = [[NSMutableDictionary alloc] initWithCapacity:4];
+				[dict setValue:[NSString stringWithFormat:@"%s", result->results[i].key] forKey:@"key"];
+				[dict setValue:[NSNumber numberWithFloat:result->results[i].dist] forKey:@"distance"];
+				[dict setValue:[NSNumber numberWithFloat:result->results[i].dist] forKey:@"meter"];
+				[dict setValue:[NSNumber numberWithFloat:result->results[i].qpos/4] forKey:@"qpos"];
+				[dict setValue:[NSNumber numberWithFloat:result->results[i].ipos/4] forKey:@"ipos"];
+				NSLog(@"%s qpos %d ipos %d", result->results[i].key, result->results[i].qpos/4, result->results[i].ipos/4);
+				[results addObject: dict];
+			}
+		}
+		
+		NSSortDescriptor *distSort = [[NSSortDescriptor alloc]initWithKey:@"meter"  ascending:YES];
+		NSArray *distDescs = [NSArray arrayWithObject:distSort];
+		
+		[results sortUsingDescriptors:distDescs];
+		[tracksView setSortDescriptors:distDescs];
+		[tracksView reloadData];
+		
+	}
+	else
+	{		
+		NSAlert *alert = [[[NSAlert alloc] init] autorelease];
+		[alert addButtonWithTitle:@"OK"];
+		[alert setMessageText:@"Track not found"];
+		[alert setInformativeText:@"Make sure you have specified a valid track identifier."];
+		[alert setAlertStyle:NSWarningAlertStyle];
+		[alert beginSheetModalForWindow:mainWindow modalDelegate:self didEndSelector:NULL contextInfo:nil];
+	}
+//	audiodb_query_free_results(db, spec, result);
+}
+
+@end