@Override
protected void onPostExecute(RunnerResult result) {
if (mLogVerbose) Log.v(TAG, "Starting post-execute.");
setRunning(false);
if (result == null) {
// Cancelled before got to doInBackground
result = new RunnerResult();
result.status = RESULT_STOPPED;
}
setException(result.exception);
if (result.status == RESULT_STOPPED || result.status == RESULT_ERROR) {
if (mLogVerbose) Log.v(TAG, "Closing filters.");
try {
mRunner.close();
} catch (Exception exception) {
result.status = RESULT_ERROR;
setException(exception);
}
}
if (mDoneListener != null) {
if (mLogVerbose) Log.v(TAG, "Calling graph done callback.");
mDoneListener.onRunnerDone(result.status);
}
if (mLogVerbose) Log.v(TAG, "Completed post-execute.");
}
@Override
protected RunnerResult doInBackground(SyncRunner... runner) {
RunnerResult result = new RunnerResult();
try {
if (runner.length > 1) {
throw new RuntimeException("More than one runner received!");
}
runner[0].assertReadyToStep();
// Preparation
if (mLogVerbose) Log.v(TAG, "Starting background graph processing.");
activateGlContext();
if (mLogVerbose) Log.v(TAG, "Preparing filter graph for processing.");
runner[0].beginProcessing();
if (mLogVerbose) Log.v(TAG, "Running graph.");
// Run loop
result.status = RESULT_RUNNING;
while (!isCancelled() && result.status == RESULT_RUNNING) {
if (!runner[0].performStep()) {
result.status = runner[0].determinePostRunState();
if (result.status == GraphRunner.RESULT_SLEEPING) {
runner[0].waitUntilWake();
result.status = RESULT_RUNNING;
}
}
}
// Cleanup
if (isCancelled()) {
result.status = RESULT_STOPPED;
}
} catch (Exception exception) {
result.exception = exception;
result.status = RESULT_ERROR;
}
// Deactivate context.
try {
deactivateGlContext();
} catch (Exception exception) {
result.exception = exception;
result.status = RESULT_ERROR;
}
if (mLogVerbose) Log.v(TAG, "Done with background graph processing.");
return result;
}
