OOALSoundDecoder.m File Reference

import "OOALSoundDecoder.h"
import "NSDataOOExtensions.h"
import <vorbis/vorbisfile.h>
import "OOLogging.h"
import "unzip.h"

Include dependency graph for OOALSoundDecoder.m:

Go to the source code of this file.

Classes
class	OOALSoundVorbisCodec

Enumerations
enum	{ kMaxDecodeSize = 1 << 20 }

Functions
static size_t	OOReadOXZVorbis (void *ptr, size_t size, size_t nmemb, void *datasource)
static int	OOCloseOXZVorbis (void *datasource)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
kMaxDecodeSize

Definition at line 35 of file OOALSoundDecoder.m.

{
    kMaxDecodeSize          = 1 << 20       // 2^20 frames = 4 MB
};

Function Documentation

OOCloseOXZVorbis()

static int OOCloseOXZVorbis ( void * datasource )

static

Definition at line 520 of file OOALSoundDecoder.m.

{
//  doing this prevents replaying
//  OOALSoundVorbisCodec *src = (OOALSoundVorbisCodec *)datasource;
//  unzClose(src->uf);
    return 0;
}

OOReadOXZVorbis()

static size_t OOReadOXZVorbis ( void * ptr, size_t size, size_t nmemb, void * datasource )

static

Definition at line 500 of file OOALSoundDecoder.m.

{
    OOALSoundVorbisCodec *src = (OOALSoundVorbisCodec *)datasource;
    size_t toRead = size*nmemb;
    void *buf = (void*)malloc(toRead);
    int err = UNZ_OK;
    err = unzReadCurrentFile(src->uf, buf, toRead);
//  OOLog(@"sound.replay",@"Read %d blocks, got %d",toRead,err);
    if (err > 0)
    {
        memcpy(ptr, buf, err);
    }
    if (err < 0)
    {
        return OV_EREAD;
    }
    return err;
}

References OOALSoundVorbisCodec::uf, UNZ_OK, and unzReadCurrentFile().

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