From 7039a05147b8bbfc829babea1c65bd436450b505 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Mon, 8 Jan 2007 23:53:00 +0000 Subject: Splitting out songdbj git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657 --- songdbj/org/tritonus/share/sampled/AudioUtils.java | 181 --------------------- 1 file changed, 181 deletions(-) delete mode 100644 songdbj/org/tritonus/share/sampled/AudioUtils.java (limited to 'songdbj/org/tritonus/share/sampled/AudioUtils.java') diff --git a/songdbj/org/tritonus/share/sampled/AudioUtils.java b/songdbj/org/tritonus/share/sampled/AudioUtils.java deleted file mode 100644 index 21c838b032..0000000000 --- a/songdbj/org/tritonus/share/sampled/AudioUtils.java +++ /dev/null @@ -1,181 +0,0 @@ -/* - * AudioUtils.java - * - * This file is part of Tritonus: http://www.tritonus.org/ - */ - -/* - * Copyright (c) 2000 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.share.sampled; - -import java.io.File; -import java.io.FileOutputStream; -import java.io.InputStream; -import java.io.IOException; -import java.io.OutputStream; -import java.util.Collection; -import java.util.Iterator; - -import javax.sound.sampled.AudioSystem; -import javax.sound.sampled.AudioFormat; -import javax.sound.sampled.AudioFileFormat; -import javax.sound.sampled.AudioInputStream; -import javax.sound.sampled.spi.AudioFileWriter; - -import org.tritonus.share.TDebug; -import org.tritonus.share.sampled.TConversionTool; - - - -public class AudioUtils -{ - public static long getLengthInBytes(AudioInputStream audioInputStream) - { - return getLengthInBytes(audioInputStream.getFormat(), - audioInputStream.getFrameLength()); -/* - long lLengthInFrames = audioInputStream.getFrameLength(); - int nFrameSize = audioInputStream.getFormat().getFrameSize(); - if (lLengthInFrames >= 0 && nFrameSize >= 1) - { - return lLengthInFrames * nFrameSize; - } - else - { - return AudioSystem.NOT_SPECIFIED; - } -*/ - } - - - - /** - * if the passed value for lLength is - * AudioSystem.NOT_SPECIFIED (unknown - * length), the length in bytes becomes - * AudioSystem.NOT_SPECIFIED, too. - */ - public static long getLengthInBytes(AudioFormat audioFormat, - long lLengthInFrames) - { - int nFrameSize = audioFormat.getFrameSize(); - if (lLengthInFrames >= 0 && nFrameSize >= 1) - { - return lLengthInFrames * nFrameSize; - } - else - { - return AudioSystem.NOT_SPECIFIED; - } - } - - - - public static boolean containsFormat(AudioFormat sourceFormat, - Iterator possibleFormats) - { - while (possibleFormats.hasNext()) - { - AudioFormat format = (AudioFormat) possibleFormats.next(); - if (AudioFormats.matches(format, sourceFormat)) - { - return true; - } - } - return false; - } - - /** - * Conversion milliseconds -> bytes - */ - - public static long millis2Bytes(long ms, AudioFormat format) { - return millis2Bytes(ms, format.getFrameRate(), format.getFrameSize()); - } - - public static long millis2Bytes(long ms, float frameRate, int frameSize) { - return (long) (ms*frameRate/1000*frameSize); - } - - /** - * Conversion milliseconds -> bytes (bytes will be frame-aligned) - */ - public static long millis2BytesFrameAligned(long ms, AudioFormat format) { - return millis2BytesFrameAligned(ms, format.getFrameRate(), format.getFrameSize()); - } - - public static long millis2BytesFrameAligned(long ms, float frameRate, int frameSize) { - return ((long) (ms*frameRate/1000))*frameSize; - } - - /** - * Conversion milliseconds -> frames - */ - public static long millis2Frames(long ms, AudioFormat format) { - return millis2Frames(ms, format.getFrameRate()); - } - - public static long millis2Frames(long ms, float frameRate) { - return (long) (ms*frameRate/1000); - } - - /** - * Conversion bytes -> milliseconds - */ - public static long bytes2Millis(long bytes, AudioFormat format) { - return (long) (bytes/format.getFrameRate()*1000/format.getFrameSize()); - } - - /** - * Conversion frames -> milliseconds - */ - public static long frames2Millis(long frames, AudioFormat format) { - return (long) (frames/format.getFrameRate()*1000); - } - - - //$$fb 2000-07-18: added these debugging functions - public static String NS_or_number(int number) { - return (number==AudioSystem.NOT_SPECIFIED)?"NOT_SPECIFIED":String.valueOf(number); - } - public static String NS_or_number(float number) { - return (number==AudioSystem.NOT_SPECIFIED)?"NOT_SPECIFIED":String.valueOf(number); - } - - /** - * For debugging purposes. - */ - public static String format2ShortStr(AudioFormat format) { - return format.getEncoding() + "-" + - NS_or_number(format.getChannels()) + "ch-" + - NS_or_number(format.getSampleSizeInBits()) + "bit-" + - NS_or_number(((int)format.getSampleRate())) + "Hz-"+ - (format.isBigEndian() ? "be" : "le"); - } - -} - - - -/*** AudioUtils.java ***/ -- cgit v1.2.3