cog/Audio/Decoders/MonkeysFile.mm

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//
// MonkeysFile.m
// zyVorbis
//
// Created by Vincent Spader on 1/30/05.
// Copyright 2005 Vincent Spader All rights reserved.
//
#import "MonkeysFile.h"
#import "MAC/ApeInfo.h"
#import "MAC/CharacterHelper.h"
@implementation MonkeysFile
- (BOOL)open:(const char *)filename
{
int n;
str_utf16 *chars = NULL;
chars = GetUTF16FromUTF8((const unsigned char *)filename);
if(chars == NULL)
return NO;
decompress = CreateIAPEDecompress(chars, &n);
free(chars);
if (decompress == NULL)
{
DBLog(@"ERROR OPENING FILE");
return NO;
}
frequency = decompress->GetInfo(APE_INFO_SAMPLE_RATE);
bitsPerSample = decompress->GetInfo(APE_INFO_BITS_PER_SAMPLE);
channels = decompress->GetInfo(APE_INFO_CHANNELS);
totalSize = decompress->GetInfo(APE_INFO_TOTAL_BLOCKS)*bitsPerSample/8*channels;
return YES;
}
- (BOOL)readInfo:(const char *)filename
{
return [self open:filename];
}
- (int)fillBuffer:(void *)buf ofSize:(UInt32)size
{
int n;
int numread;
int blockAlign = decompress->GetInfo(APE_INFO_BLOCK_ALIGN);
n = decompress->GetData((char *)buf, size/blockAlign, &numread);
if (n != ERROR_SUCCESS)
{
DBLog(@"ERROR: %i", n);
return 0;
}
numread *= blockAlign;
// DBLog(@"READ DATA: %i", numread);
// DBLog(@"NUMREAD: %i", numread);
return numread;
}
- (void)close
{
// DBLog(@"CLOSE");
if (decompress)
delete decompress;
decompress = NULL;
}
- (double)seekToTime:(double)milliseconds
{
int r;
// DBLog(@"HELLO: %i", int(frequency*((double)milliseconds/1000.0)));
r = decompress->Seek(int(frequency*((double)milliseconds/1000.0)));
return milliseconds;
}
@end