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package com.googlecode.mp4parser.boxes.piff;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.googlecode.mp4parser.AbstractFullBox;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
/**
* The syntax of the fields defined in this section, specified in ABNF [RFC5234], is as follows:
* TfrfBox = TfrfBoxLength TfrfBoxType [TfrfBoxLongLength] TfrfBoxUUID TfrfBoxFields
* TfrfBoxChildren
* TfrfBoxType = "u" "u" "i" "d"
* TfrfBoxLength = BoxLength
* TfrfBoxLongLength = LongBoxLength
* TfrfBoxUUID = %xD4 %x80 %x7E %xF2 %xCA %x39 %x46 %x95
* %x8E %x54 %x26 %xCB %x9E %x46 %xA7 %x9F
* TfrfBoxFields = TfrfBoxVersion
* TfrfBoxFlags
* FragmentCount
* (1* TfrfBoxDataFields32) / (1* TfrfBoxDataFields64)
* TfrfBoxVersion = %x00 / %x01
* TfrfBoxFlags = 24*24 RESERVED_BIT
* FragmentCount = UINT8
* TfrfBoxDataFields32 = FragmentAbsoluteTime32
* FragmentDuration32
* TfrfBoxDataFields64 = FragmentAbsoluteTime64
* FragmentDuration64
* FragmentAbsoluteTime64 = UNSIGNED_INT32
* FragmentDuration64 = UNSIGNED_INT32
* FragmentAbsoluteTime64 = UNSIGNED_INT64
* FragmentDuration64 = UNSIGNED_INT64
* TfrfBoxChildren = *( VendorExtensionUUIDBox )
*/
public class TfrfBox extends AbstractFullBox {
public List<Entry> entries = new ArrayList<Entry>();
public TfrfBox() {
super("uuid");
}
@Override
public byte[] getUserType() {
return new byte[]{(byte) 0xd4, (byte) 0x80, (byte) 0x7e, (byte) 0xf2, (byte) 0xca, (byte) 0x39, (byte) 0x46,
(byte) 0x95, (byte) 0x8e, (byte) 0x54, 0x26, (byte) 0xcb, (byte) 0x9e, (byte) 0x46, (byte) 0xa7, (byte) 0x9f};
}
@Override
protected long getContentSize() {
return 5 + entries.size() * (getVersion() == 0x01 ? 16 : 8);
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
IsoTypeWriter.writeUInt8(byteBuffer, entries.size());
for (Entry entry : entries) {
if (getVersion() == 0x01) {
IsoTypeWriter.writeUInt64(byteBuffer, entry.fragmentAbsoluteTime);
IsoTypeWriter.writeUInt64(byteBuffer, entry.fragmentAbsoluteDuration);
} else {
IsoTypeWriter.writeUInt32(byteBuffer, entry.fragmentAbsoluteTime);
IsoTypeWriter.writeUInt32(byteBuffer, entry.fragmentAbsoluteDuration);
}
}
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
int fragmentCount = IsoTypeReader.readUInt8(content);
for (int i = 0; i < fragmentCount; i++) {
Entry entry = new Entry();
if (getVersion() == 0x01) {
entry.fragmentAbsoluteTime = IsoTypeReader.readUInt64(content);
entry.fragmentAbsoluteDuration = IsoTypeReader.readUInt64(content);
} else {
entry.fragmentAbsoluteTime = IsoTypeReader.readUInt32(content);
entry.fragmentAbsoluteDuration = IsoTypeReader.readUInt32(content);
}
entries.add(entry);
}
}
public long getFragmentCount() {
return entries.size();
}
public List<Entry> getEntries() {
return entries;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("TfrfBox");
sb.append("{entries=").append(entries);
sb.append('}');
return sb.toString();
}
public class Entry {
long fragmentAbsoluteTime;
long fragmentAbsoluteDuration;
public long getFragmentAbsoluteTime() {
return fragmentAbsoluteTime;
}
public long getFragmentAbsoluteDuration() {
return fragmentAbsoluteDuration;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("Entry");
sb.append("{fragmentAbsoluteTime=").append(fragmentAbsoluteTime);
sb.append(", fragmentAbsoluteDuration=").append(fragmentAbsoluteDuration);
sb.append('}');
return sb.toString();
}
}
}
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