/**
* sets the synchronized lyrics/text.
*
* @param synchronizedLyrics the synchronized lyrics/text.
* @see #getSynchronizedLyrics()
*/
public void setSynchronizedLyrics(List<SynchronizedLyric> synchronizedLyrics) {
int previousTimeStamp = -1;
for (SynchronizedLyric synchronizedLyric : synchronizedLyrics) {
if (synchronizedLyric.getTimeStamp() > previousTimeStamp)
previousTimeStamp = synchronizedLyric.getTimeStamp();
else
throw new IllegalArgumentException(
"The time stamps in the synchronized lyrics in the "
+ frameType.getId()
+ " frame must be in ascending chronological order.");
}
this.synchronizedLyrics = synchronizedLyrics;
this.dirty = true;
}
/**
* If the frame body's values have been modified, then resize the raw binary buffer and store the
* new values there. When finished, the dirty flag is reset to indicate that the buffer is up to
* date, and the frame is now ready to be saved to the .mp3 file.
*/
@Override
public void setBuffer() {
if (isDirty()) {
int numSynchronizedLyricBytes = 0;
for (SynchronizedLyric synchronizedLyric : synchronizedLyrics)
numSynchronizedLyricBytes +=
stringToBytes(encoding, synchronizedLyric.getText()).length + 4;
byte[] languageBytes = language.getCodeBytes();
byte[] descriptionBytes = stringToBytes(encoding, description);
byte[] synchronizedLyricBytes = new byte[numSynchronizedLyricBytes];
byte[] textBytes = null;
byte[] timeStampBytes = null;
int index = 0;
buffer =
new byte
[1
+ languageBytes.length
+ 1
+ 1
+ descriptionBytes.length
+ synchronizedLyricBytes.length];
buffer[index] = (byte) encoding.ordinal();
index = 1;
System.arraycopy(languageBytes, 0, buffer, index, languageBytes.length);
index += languageBytes.length;
buffer[index] = (byte) timeStampFormat.getValue();
index++;
buffer[index] = (byte) contentType.ordinal();
index++;
System.arraycopy(descriptionBytes, 0, buffer, index, descriptionBytes.length);
index += descriptionBytes.length;
for (SynchronizedLyric synchronizedLyric : synchronizedLyrics) {
numSynchronizedLyricBytes +=
stringToBytes(encoding, synchronizedLyric.getText()).length + 4;
textBytes = stringToBytes(encoding, synchronizedLyric.getText());
System.arraycopy(textBytes, 0, buffer, index, textBytes.length);
index += textBytes.length;
timeStampBytes = intToBytes(synchronizedLyric.getTimeStamp());
System.arraycopy(timeStampBytes, 0, buffer, index, timeStampBytes.length);
index += timeStampBytes.length;
}
dirty = false;
}
}
