// Called on cameraThread so must not "synchronized".
@Override
public void onPreviewFrame(byte[] data, Camera callbackCamera) {
checkIsOnCameraThread();
if (camera == null) {
return;
}
if (camera != callbackCamera) {
throw new RuntimeException("Unexpected camera in callback!");
}
final long captureTimeNs = TimeUnit.MILLISECONDS.toNanos(SystemClock.elapsedRealtime());
if (eventsHandler != null && !firstFrameReported) {
eventsHandler.onFirstFrameAvailable();
firstFrameReported = true;
}
// Mark the frame owning |data| as used.
// Note that since data is directBuffer,
// data.length >= videoBuffers.frameSize.
if (videoBuffers.reserveByteBuffer(data, captureTimeNs)) {
cameraStatistics.addPendingFrame(captureTimeNs);
frameObserver.onByteBufferFrameCaptured(
data,
videoBuffers.frameSize,
captureFormat.width,
captureFormat.height,
getFrameOrientation(),
captureTimeNs);
} else {
Logging.w(TAG, "reserveByteBuffer failed - dropping frame.");
}
}
