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Dmitry Kovalev authored
Removing redundant code, introducing new functions for better decomposition, adding 'clamp' function to vp9_common.h. Change-Id: Ic3b8ca13bbc38f60f0c9c43910b5802005e31aaf
2891d70b
lipiworker.cpp 5.83 KiB
/******************************************************************************** Copyright (C) 2015 Digia Plc** All rights reserved.** For any questions to Digia, please use contact form at http://www.qt.io**** This file is part of the Qt Virtual Keyboard add-on for Qt Enterprise.**** Licensees holding valid Qt Enterprise licenses may use this file in** accordance with the Qt Enterprise License Agreement provided with the** Software or, alternatively, in accordance with the terms contained in** a written agreement between you and Digia.**** If you have questions regarding the use of this file, please use** contact form at http://www.qt.io******************************************************************************/#include "lipiworker.h"#include "virtualkeyboarddebug.h"#include <QTime>#include "LTKShapeRecognizer.h"#include "LTKErrors.h"void LipiLoadModelDataTask::run(){ VIRTUALKEYBOARD_DEBUG() << "LipiLoadModelDataTask::run()";#ifdef QT_VIRTUALKEYBOARD_DEBUG QTime perf; perf.start();#endif int result = shapeRecognizer->loadModelData();#ifdef QT_VIRTUALKEYBOARD_DEBUG VIRTUALKEYBOARD_DEBUG() << "LipiLoadModelDataTask::run(): time:" << perf.elapsed() << "ms";#endif if (result != SUCCESS) qWarning() << QString("Error %1: %2").arg(result).arg(getErrorMessage(result).c_str());}LipiRecognitionTask::LipiRecognitionTask(const LTKCaptureDevice& deviceInfo, const LTKScreenContext& screenContext, const vector<int>& inSubsetOfClasses, float confThreshold, int numChoices, int resultId) : LipiTask(), deviceInfo(deviceInfo), screenContext(screenContext), inSubsetOfClasses(inSubsetOfClasses), confThreshold(confThreshold), numChoices(numChoices), resultVector(new vector<LTKShapeRecoResult>()), _resultId(resultId), stateRunning(false), stateCancelled(false){}void LipiRecognitionTask::run(){ VIRTUALKEYBOARD_DEBUG() << "LipiRecognitionTask::run()"; if (!shapeRecognizer || !resultVector) return; { QMutexLocker stateGuard(&stateLock); stateRunning = true;7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
}
resultVector->clear();
resultVector->reserve(numChoices);
shapeRecognizer->setDeviceContext(deviceInfo);
#ifdef QT_VIRTUALKEYBOARD_DEBUG
QTime perf;
perf.start();
#endif
shapeRecognizer->recognize(traceGroup, screenContext,
inSubsetOfClasses, confThreshold,
numChoices, *resultVector);
#ifdef QT_VIRTUALKEYBOARD_DEBUG
int perfElapsed = perf.elapsed();
#endif
{
QMutexLocker stateGuard(&stateLock);
stateRunning = false;
if (stateCancelled)
resultVector->clear();
#ifdef QT_VIRTUALKEYBOARD_DEBUG
VIRTUALKEYBOARD_DEBUG() << "LipiRecognitionTask::run(): time:" << perfElapsed << "ms" << (stateCancelled ? "(cancelled)" : "");
#endif
}
}
bool LipiRecognitionTask::cancelRecognition()
{
QMutexLocker stateGuard(&stateLock);
stateCancelled = true;
bool result = (stateRunning && shapeRecognizer);
if (result)
shapeRecognizer->requestCancelRecognition();
return result;
}
int LipiRecognitionTask::resultId() const
{
return _resultId;
}
LipiRecognitionResultsTask::LipiRecognitionResultsTask(QSharedPointer<vector<LTKShapeRecoResult> > resultVector,
const QMap<int, QChar> &unicodeMap,
int resultId) :
LipiTask(),
resultVector(resultVector),
unicodeMap(unicodeMap),
_resultId(resultId)
{
}
void LipiRecognitionResultsTask::run()
{
if (!resultVector || unicodeMap.isEmpty())
return;
QVariantList resultList;
for (vector<LTKShapeRecoResult>::const_iterator i = resultVector->begin();
i != resultVector->end(); i++) {
QVariantMap result;
int shapeId = i->getShapeId();
result["resultId"] = _resultId;
result["shapeId"] = shapeId;
result["unicode"] = unicodeMap.value(shapeId);
result["confidence"] = i->getConfidence();
resultList.append(result);
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}
if (resultList.isEmpty())
return;
emit resultsAvailable(resultList);
}
LipiWorker::LipiWorker(LTKShapeRecognizer *shapeRecognizer, QObject *parent) :
QThread(parent),
taskSema(),
taskLock(),
shapeRecognizer(shapeRecognizer),
abort(false)
{
}
LipiWorker::~LipiWorker()
{
abort = true;
taskSema.release();
wait();
if (shapeRecognizer)
shapeRecognizer->unloadModelData();
}
void LipiWorker::addTask(QSharedPointer<LipiTask> task)
{
if (task) {
QMutexLocker guard(&taskLock);
taskList.append(task);
taskSema.release();
}
}
int LipiWorker::removeTask(QSharedPointer<LipiTask> task)
{
int count = 0;
if (task) {
QMutexLocker guard(&taskLock);
count = taskList.removeAll(task);
taskSema.acquire(qMin(count, taskSema.available()));
}
return count;
}
int LipiWorker::removeAllTasks()
{
QMutexLocker guard(&taskLock);
int count = taskList.count();
taskList.clear();
if (taskSema.available())
taskSema.acquire(taskSema.available());
return count;
}
void LipiWorker::run()
{
while (!abort) {
taskSema.acquire();
if (abort)
break;
QSharedPointer<LipiTask> currentTask;
{
QMutexLocker guard(&taskLock);
if (!taskList.isEmpty()) {
currentTask = taskList.front();
taskList.pop_front();
}
}
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if (currentTask) {
currentTask->shapeRecognizer = shapeRecognizer;
currentTask->run();
}
}
}