AudioTest.java
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package cn.org.hentai.jtt1078.test;
import cn.org.hentai.jtt1078.codec.G711Codec;
import cn.org.hentai.jtt1078.server.Jtt1078Decoder;
import cn.org.hentai.jtt1078.util.ByteUtils;
import cn.org.hentai.jtt1078.util.Packet;
import java.io.FileInputStream;
import java.io.FileOutputStream;
/**
* Created by matrixy on 2019/12/21.
*/
public class AudioTest
{
public static void main(String[] args) throws Exception
{
int len = -1;
byte[] block = new byte[1024];
FileInputStream fis = new FileInputStream("e:\\test\\streaming.hex");
Jtt1078Decoder decoder = new Jtt1078Decoder();
G711Codec codec = new G711Codec();
FileOutputStream fos = new FileOutputStream("e:\\test\\fuckfuckfuck1111.pcm");
while ((len = fis.read(block)) > -1)
{
decoder.write(block, 0, len);
while (true)
{
Packet p = decoder.decode();
if (p == null) break;
int lengthOffset = 28;
int dataType = (p.seek(15).nextByte() >> 4) & 0x0f;
// 透传数据类型：0100，没有后面的时间以及Last I Frame Interval和Last Frame Interval字段
if (dataType == 0x04) lengthOffset = 28 - 8 - 2 - 2;
else if (dataType == 0x03) lengthOffset = 28 - 4;
if (dataType == 0x03)
{
byte[] pcmData = codec.toPCM(p.seek(lengthOffset + 2).nextBytes());
fos.write(pcmData);
fos.flush();
}
}
}
fos.close();
fis.close();
}
}