85 lines
1.4 KiB
Objective-C
85 lines
1.4 KiB
Objective-C
//
|
|
// InputNode.m
|
|
// Cog
|
|
//
|
|
// Created by Vincent Spader on 8/2/05.
|
|
// Copyright 2005 Vincent Spader. All rights reserved.
|
|
//
|
|
|
|
#import "InputNode.h"
|
|
|
|
|
|
@implementation InputNode
|
|
|
|
- (BOOL)open:(NSString *)filename
|
|
{
|
|
NSLog(@"Opening: %@", filename);
|
|
soundFile = [SoundFile open:filename];
|
|
if (soundFile == nil)
|
|
return NO;
|
|
/* while (soundFile == nil)
|
|
{
|
|
NSString *nextSong = [controller invalidSoundFile];
|
|
if (nextSong == nil)
|
|
return NO;
|
|
|
|
soundFile = [SoundFile open:nextSong];
|
|
}
|
|
*/
|
|
[soundFile getFormat:&format];
|
|
|
|
shouldContinue = YES;
|
|
shouldSeek = NO;
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (void)process
|
|
{
|
|
const int chunk_size = CHUNK_SIZE;
|
|
char *buf;
|
|
int amountRead;
|
|
|
|
NSLog(@"Playing file: %i", self);
|
|
buf = malloc(chunk_size);
|
|
|
|
while ([self shouldContinue] == YES && [self endOfStream] == NO)
|
|
{
|
|
if (shouldSeek == YES)
|
|
{
|
|
NSLog(@"Actually seeking");
|
|
[soundFile seekToTime:seekTime];
|
|
shouldSeek = NO;
|
|
}
|
|
|
|
amountRead = [soundFile fillBuffer:buf ofSize: chunk_size];
|
|
if (amountRead <= 0)
|
|
{
|
|
endOfStream = YES;
|
|
DBLog(@"END OF INPUT WAS REACHED");
|
|
[controller endOfInputReached];
|
|
break; //eof
|
|
}
|
|
[self writeData:buf amount:amountRead];
|
|
}
|
|
|
|
free(buf);
|
|
[soundFile close];
|
|
|
|
NSLog(@"CLOSED: %i", self);
|
|
}
|
|
|
|
- (void)seek:(double)time
|
|
{
|
|
NSLog(@"SEEKING WEEE");
|
|
seekTime = time;
|
|
shouldSeek = YES;
|
|
}
|
|
|
|
- (AudioStreamBasicDescription) format
|
|
{
|
|
return format;
|
|
}
|
|
|
|
@end
|