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package com.coremedia.iso.boxes;
import com.googlecode.mp4parser.AbstractFullBox;
import java.nio.ByteBuffer;
/**
* The optional composition shift least greatest atom summarizes the calculated
* minimum and maximum offsets between decode and composition time, as well as
* the start and end times, for all samples. This allows a reader to determine
* the minimum required time for decode to obtain proper presentation order without
* needing to scan the sample table for the range of offsets. The type of the
* composition shift least greatest atom is ‘cslg’.
*/
public class CompositionShiftLeastGreatestAtom extends AbstractFullBox {
public CompositionShiftLeastGreatestAtom() {
super("cslg");
}
// A 32-bit unsigned integer that specifies the calculated value.
int compositionOffsetToDisplayOffsetShift;
// A 32-bit signed integer that specifies the calculated value.
int leastDisplayOffset;
// A 32-bit signed integer that specifies the calculated value.
int greatestDisplayOffset;
//A 32-bit signed integer that specifies the calculated value.
int displayStartTime;
//A 32-bit signed integer that specifies the calculated value.
int displayEndTime;
@Override
protected long getContentSize() {
return 24;
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
compositionOffsetToDisplayOffsetShift = content.getInt();
leastDisplayOffset = content.getInt();
greatestDisplayOffset = content.getInt();
displayStartTime = content.getInt();
displayEndTime = content.getInt();
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
byteBuffer.putInt(compositionOffsetToDisplayOffsetShift);
byteBuffer.putInt(leastDisplayOffset);
byteBuffer.putInt(greatestDisplayOffset);
byteBuffer.putInt(displayStartTime);
byteBuffer.putInt(displayEndTime);
}
public int getCompositionOffsetToDisplayOffsetShift() {
return compositionOffsetToDisplayOffsetShift;
}
public void setCompositionOffsetToDisplayOffsetShift(int compositionOffsetToDisplayOffsetShift) {
this.compositionOffsetToDisplayOffsetShift = compositionOffsetToDisplayOffsetShift;
}
public int getLeastDisplayOffset() {
return leastDisplayOffset;
}
public void setLeastDisplayOffset(int leastDisplayOffset) {
this.leastDisplayOffset = leastDisplayOffset;
}
public int getGreatestDisplayOffset() {
return greatestDisplayOffset;
}
public void setGreatestDisplayOffset(int greatestDisplayOffset) {
this.greatestDisplayOffset = greatestDisplayOffset;
}
public int getDisplayStartTime() {
return displayStartTime;
}
public void setDisplayStartTime(int displayStartTime) {
this.displayStartTime = displayStartTime;
}
public int getDisplayEndTime() {
return displayEndTime;
}
public void setDisplayEndTime(int displayEndTime) {
this.displayEndTime = displayEndTime;
}
}
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