rockbox/songdbj/org/tritonus/lowlevel/ogg/Page.java

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/*
* Page.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 2000 - 2001 by Matthias Pfisterer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
|<--- this code is formatted to fit into 80 columns --->|
*/
package org.tritonus.lowlevel.ogg;
import org.tritonus.share.TDebug;
/** Wrapper for ogg_page.
*/
public class Page
{
static
{
Ogg.loadNativeLibrary();
if (TDebug.TraceOggNative)
{
setTrace(true);
}
}
/**
* Holds the pointer to ogg_page
* for the native code.
* This must be long to be 64bit-clean.
*/
private long m_lNativeHandle;
public Page()
{
if (TDebug.TraceOggNative) { TDebug.out("Page.<init>(): begin"); }
int nReturn = malloc();
if (nReturn < 0)
{
throw new RuntimeException("malloc of ogg_page failed");
}
if (TDebug.TraceOggNative) { TDebug.out("Page.<init>(): end"); }
}
public void finalize()
{
// TODO: call free()
// call super.finalize() first or last?
// and introduce a flag if free() has already been called?
}
private native int malloc();
public native void free();
/** Calls ogg_page_version().
*/
public native int getVersion();
/** Calls ogg_page_continued().
*/
public native boolean isContinued();
/** Calls ogg_page_packets().
*/
public native int getPackets();
/** Calls ogg_page_bos().
*/
public native boolean isBos();
/** Calls ogg_page_eos().
*/
public native boolean isEos();
/** Calls ogg_page_granulepos().
*/
public native long getGranulePos();
/** Calls ogg_page_serialno().
*/
public native int getSerialNo();
/** Calls ogg_page_pageno().
*/
public native int getPageNo();
/** Calls ogg_page_checksum_set().
*/
public native void setChecksum();
public native byte[] getHeader();
public native byte[] getBody();
private static native void setTrace(boolean bTrace);
}
/*** Page.java ***/