/**
* Read screen and store result in native buffer.
*
* @param dim dimension of the video
* @return true if success, false otherwise
*/
private ByteBuffer readScreenNative(Dimension dim) {
int size = dim.width * dim.height * 4 + FFmpeg.FF_INPUT_BUFFER_PADDING_SIZE;
ByteBuffer data = byteBufferPool.getBuffer(size);
data.setLength(size);
/* get desktop screen via native grabber */
boolean b;
try {
b =
desktopInteract.captureScreen(
displayIndex, x, y, dim.width, dim.height, data.getPtr(), data.getLength());
} catch (Throwable t) {
if (t instanceof ThreadDeath) {
throw (ThreadDeath) t;
} else {
b = false;
// logger.error("Failed to grab screen!", t);
}
}
if (!b) {
data.free();
data = null;
}
return data;
}
/**
* Fills the time buffer with the formatted time.
*
* @param date current time in milliseconds
*/
private void fillTime(long date) throws IOException {
synchronized (_timeBuffer) {
if (date / 1000 == _lastTime / 1000) return;
if (_timeFormatSecondOffset >= 0 && date / 3600000 == _lastTime / 3600000) {
byte[] bBuf = _timeBuffer.getBuffer();
int min = (int) (date / 60000 % 60);
int sec = (int) (date / 1000 % 60);
bBuf[_timeFormatMinuteOffset + 0] = (byte) ('0' + min / 10);
bBuf[_timeFormatMinuteOffset + 1] = (byte) ('0' + min % 10);
bBuf[_timeFormatSecondOffset + 0] = (byte) ('0' + sec / 10);
bBuf[_timeFormatSecondOffset + 1] = (byte) ('0' + sec % 10);
_lastTime = date;
return;
}
_timeCharBuffer.clear();
QDate.formatLocal(_timeCharBuffer, date, _timeFormat);
if (_timeFormatSecondOffset >= 0) {
_timeFormatSecondOffset = _timeCharBuffer.lastIndexOf(':') + 1;
_timeFormatMinuteOffset = _timeFormatSecondOffset - 3;
}
char[] cBuf = _timeCharBuffer.getBuffer();
int length = _timeCharBuffer.getLength();
_timeBuffer.setLength(length);
byte[] bBuf = _timeBuffer.getBuffer();
for (int i = length - 1; i >= 0; i--) bBuf[i] = (byte) cBuf[i];
}
_lastTime = date;
}
