cog/Plugins/Dumb/DumbContainer.m

116 lines
2.6 KiB
Objective-C
Executable File

//
// DumbContainer.m
// Dumb
//
// Created by Christopher Snowhill on 10/4/13.
// Copyright 2013 __NoWork, Inc__. All rights reserved.
//
#import <Dumb/dumb.h>
#import "DumbContainer.h"
#import "DumbDecoder.h"
#import "Logging.h"
@interface DumbCallbackData : NSObject
{
@public NSString * baseUrl;
@public NSMutableArray * tracks;
}
@end
@implementation DumbCallbackData
@end
@implementation DumbContainer
+ (NSArray *)fileTypes
{
return [DumbDecoder fileTypes];
}
+ (NSArray *)mimeTypes
{
return nil;
}
+ (float)priority
{
return 1.0f;
}
int scanCallback(void *data, int startOrder, long length)
{
NSObject* _cbData = (__bridge NSObject *)(data);
DumbCallbackData * cbData = (id) _cbData;
[cbData->tracks addObject:[NSURL URLWithString:[cbData->baseUrl stringByAppendingFormat:@"#%i", startOrder]]];
return 0;
}
+ (NSArray *)urlsForContainerURL:(NSURL *)url
{
if ([url fragment]) {
// input url already has fragment defined - no need to expand further
return [NSMutableArray arrayWithObject:url];
}
id audioSourceClass = NSClassFromString(@"AudioSource");
id<CogSource> source = [audioSourceClass audioSourceForURL:url];
if (![source open:url])
return 0;
if (![source seekable])
return 0;
[source seek:0 whence:SEEK_END];
long size = [source tell];
[source seek:0 whence:SEEK_SET];
void * data = malloc(size);
[source read:data amount:size];
DUMBFILE * df = dumbfile_open_memory_and_free( data, size );
if (!df)
{
ALog(@"Open failed for file: %@", [url absoluteString]);
return NO;
}
NSMutableArray *tracks = [NSMutableArray array];
int i;
int subsongs = dumb_get_psm_subsong_count( df );
if ( subsongs ) {
dumbfile_close( df );
for (i = 0; i < subsongs; ++i) {
[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
}
} else {
dumbfile_seek( df, 0, SEEK_SET );
DUH *duh;
NSString *ext = [[[url path] pathExtension] lowercaseString];
duh = dumb_read_any_quick(df, [ext isEqualToString:@"mod"] ? 0 : 1, 0);
dumbfile_close(df);
if ( duh ) {
DumbCallbackData * data = [[DumbCallbackData alloc] init];
data->baseUrl = [url absoluteString];
data->tracks = tracks;
dumb_it_scan_for_playable_orders( duh_get_it_sigdata( duh ), scanCallback, (__bridge void *)data );
}
}
return tracks;
}
@end