CAUtils.h

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/*
 * =================================================
 * Copyright 2011 tagtraum industries incorporated
 * This file is part of CASampledSP.
 *
 * CASampledSP is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * CASampledSP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with CASampledSP; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 * =================================================
 *
 * @author <a href="mailto:hs@tagtraum.com">Hendrik Schreiber</a>
 */
#include <math.h>
#include <jni.h>
#include <AudioToolbox/AudioToolbox.h>
#include <CoreServices/CoreServices.h>
 
 
struct CAAudioIO
{
    JNIEnv *        env;                        
    jobject         javaInstance;               
    AudioStreamBasicDescription srcFormat;      
    AudioStreamPacketDescription * pktDescs;    
    char *          srcBuffer;                  
    UInt32          srcBufferSize;              
    UInt32          numPacketsPerRead;          
    SInt64          pos;                        
    SInt64          lastPos;                    
    UInt32          frameOffset;                
    UInt32          srcSizePerPacket;           
    char *          cookie;                     
    UInt32          cookieSize;                 
};
 
struct CAAudioConverterIO:CAAudioIO
{
    AudioConverterRef   acref;          
    jobject             sourceStream;   
    CAAudioIO *         sourceAudioIO;  
};
 
struct CAAudioFileIO:CAAudioIO
{
    AudioFileID     afid;           
};
 
struct CAAudioStreamIO:CAAudioIO
{
    AudioFileStreamID   asid;       
};
 
void throwUnsupportedAudioFileExceptionIfError(JNIEnv *, int, const char*);
 
void throwIOExceptionIfError(JNIEnv *, int, const char*);
 
void throwIllegalArgumentExceptionIfError(JNIEnv *, int, const char *);
 
void throwFileNotFoundExceptionIfError(JNIEnv *, int, const char *);
 
void ca_create_url_ref(JNIEnv *, jstring, CFURLRef&);