package cn.org.hentai.jtt1078.flv;
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//由于flv格式是header+body,而body是preTagSize+currentTagData.......循环形式,并且第一个的preTagSize始终为0,
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// 与其这样不如采用(header+preTag0Size)+（currentTagData+currentTagSize），这样就避免每次都要记录以下上一个tag的数据大小。
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/**
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* author:zhouyili (11861744@qq.com)
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*/
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public class FlvTag {
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public static final int AUDIO = 8;
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public static final int VIDEO = 9;
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public static final int SCRIPT = 18;//0x12
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private int preTagSize;
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private byte tagType;
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/**3个字节 streamId以后的数据长度*/
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private int tagDataSize;
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//低3个字节写入后再写高位字节,相对于第一帧的时间偏移量，单位ms
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private int offSetTimestamp;
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//3个字节，一般总是0
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private int streamId;
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public FlvTag() {
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}
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public FlvTag(int offSetTimestamp, int tagDataSize) {
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this.tagDataSize = tagDataSize;
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this.offSetTimestamp = offSetTimestamp;
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}
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public int getPreTagSize() {
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return preTagSize;
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}
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public void setPreTagSize(int preTagSize) {
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this.preTagSize = preTagSize;
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}
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public byte getTagType() {
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return tagType;
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}
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public void setTagType(byte tagType) {
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this.tagType = tagType;
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}
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public int getTagDataSize() {
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return tagDataSize;
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}
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public void setTagDataSize(int tagDataSize) {
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this.tagDataSize = tagDataSize;
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}
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public int getOffSetTimestamp() {
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return offSetTimestamp;
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}
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public void setOffSetTimestamp(int offSetTimestamp) {
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this.offSetTimestamp = offSetTimestamp;
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}
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public int getStreamId() {
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return streamId;
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}
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public void setStreamId(int streamId) {
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this.streamId = streamId;
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}
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}
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