Xuggle(java操作音频工具)

/******************************************************************************* * Copyright (c) 2008, 2010 Xuggle Inc. All rights reserved. * * This file is part of Xuggle-Xuggler-Main. * * Xuggle-Xuggler-Main 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 3 of the License, or * (at your option) any later version. * * Xuggle-Xuggler-Main 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 Xuggle-Xuggler-Main. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package com.xuggle.xuggler; import junit.framework.TestCase; import org.junit.Ignore; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.xuggle.ferry.IBuffer; import com.xuggle.xuggler.io.IURLProtocolHandler; public class ContainerTest extends TestCase { private final String mSampleFile = "c:/xugger_testFile/testfile.flv"; private final Logger log = LoggerFactory.getLogger(this.getClass()); /** * At FFmpeg revision r22821 this started failing. I wasn't able to find a cause easily, so I'm disabling for now. */ @Test @Ignore public void disabled_testContainerOpenAndClose2() { IContainer container = null; IContainerFormat fmt = null; int retval = -1; container = IContainer.make(); fmt = IContainerFormat.make(); // try opening a container format retval = fmt.setInputFormat("flv"); assertTrue("could not set input format", retval >= 0); retval = container.open("file:" + mSampleFile, IContainer.Type.READ, fmt); assertTrue("could not open file for writing", retval >= 0); retval = container.close(); assertTrue("could not close file", retval >= 0); } @Test public void testContainerOpenAndClose() { // maximize FFmpeg logging log.debug("About to change logging level"); Global.setFFmpegLoggingLevel(50); // Try getting a new Container IContainer container = null; IContainerFormat fmt = null; int retval = -1; container = IContainer.make(); fmt = IContainerFormat.make(); // try opening a container format retval = fmt.setInputFormat("flv"); assertTrue("could not set input format", retval >= 0); retval = fmt.setOutputFormat("flv", null, null); assertTrue("could not set output format", retval >= 0); // force collection of native resources. container.delete(); container = null; // get a new container; which will deref the old one. container = IContainer.make(); // now, try opening a container. retval = container.open("file:" + this.getClass().getName() + "_" + this.getName() + ".flv", IContainer.Type.WRITE, fmt); assertTrue("could not open file for writing", retval >= 0); retval = container.close(); assertTrue("could not close file", retval >= 0); retval = container.open("file:" + this.getClass().getName() + "_" + this.getName() + ".flv", IContainer.Type.WRITE, null); assertTrue("could not open file for writing", retval >= 0); retval = container.close(); assertTrue("could not close file", retval >= 0); retval = container.open("file:" + mSampleFile, IContainer.Type.READ, null); assertTrue("could not open file for writing", retval >= 0); retval = container.close(); assertTrue("could not close file", retval >= 0); } @Test public void testCorrectNumberOfStreams() { IContainer container = IContainer.make(); int retval = -1; retval = container.open(mSampleFile, IContainer.Type.READ, null); assertTrue("could not open file", retval >= 0); int numStreams = container.getNumStreams(); assertTrue("incorrect number of streams: " + numStreams, numStreams == 2); retval = container.close(); assertTrue("could not close the file", retval >= 0); } @Test public void testWriteHeaderAndTrailer() { IContainer container = IContainer.make(); int retval = -1; retval = container.open(this.getClass().getName() + "_" + this.getName() + ".flv", IContainer.Type.WRITE, null); assertTrue("could not open file", retval >= 0); IStream stream = container.addNewStream(0); IStreamCoder coder = stream.getStreamCoder(); coder.setCodec(ICodec.ID.CODEC_ID_MP3); coder.setSampleRate(22050); coder.setChannels(1); retval = coder.open(); assertTrue("could not open coder", retval >= 0); retval = container.writeHeader(); assertTrue("could not write header", retval >= 0); retval = container.writeTrailer(); assertTrue("could not write header", retval >= 0); retval = coder.close(); assertTrue("could not close coder", retval >= 0); retval = container.close(); assertTrue("could not close the file", retval >= 0); } @Test public void testWriteTrailerWithNoWriteHeaderDoesNotCrashJVM() { IContainer container = IContainer.make(); int retval = -1; retval = container.open(this.getClass().getName() + "_" + this.getName() + ".flv", IContainer.Type.WRITE, null); assertTrue("could not open file", retval >= 0); // Should give a warning and fail, but should NOT crash the JVM like it used to. retval = container.writeTrailer(); assertTrue("could not write header", retval < 0); retval = container.close(); assertTrue("could not close the file", retval >= 0); } @Test public void testOpenFileSetsInputContainer() { IContainer container = null; IContainerFormat fmt = null; int retval = -1; container = IContainer.make(); // now, try opening a container. retval = container.open("file:" + this.getClass().getName() + "_" + this.getName() + ".flv", IContainer.Type.WRITE, null); assertTrue("could not open file for writing", retval >= 0); fmt = container.getContainerFormat(); assertNotNull(fmt); assertEquals("flv", fmt.getOutputFormatShortName()); retval = container.close(); assertTrue("could not close file", retval >= 0); retval = container.open("file:" + mSampleFile, IContainer.Type.READ, fmt); assertTrue("could not open file for writing", retval >= 0); fmt = container.getContainerFormat(); assertNotNull(fmt); assertEquals("flv", fmt.getInputFormatShortName()); retval = container.close(); assertTrue("could not close file", retval >= 0); } @Test public void testQueryStreamMetaData() { IContainer container = IContainer.make(); int retval = -1; retval = container.open(mSampleFile, IContainer.Type.READ, null); assertTrue("could not open file", retval >= 0);