diff options
Diffstat (limited to 'src/multimedia/audio/qsamplecache_p.cpp')
-rw-r--r-- | src/multimedia/audio/qsamplecache_p.cpp | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/multimedia/audio/qsamplecache_p.cpp b/src/multimedia/audio/qsamplecache_p.cpp index 35234f8bb..8c4fdc210 100644 --- a/src/multimedia/audio/qsamplecache_p.cpp +++ b/src/multimedia/audio/qsamplecache_p.cpp @@ -47,6 +47,8 @@ #include <QtCore/QDebug> //#define QT_SAMPLECACHE_DEBUG +#include <mutex> + QT_BEGIN_NAMESPACE @@ -98,7 +100,6 @@ QT_BEGIN_NAMESPACE QSampleCache::QSampleCache(QObject *parent) : QObject(parent) , m_networkAccessManager(nullptr) - , m_mutex(QMutex::Recursive) , m_capacity(0) , m_usage(0) , m_loadingRefCount(0) @@ -117,7 +118,7 @@ QNetworkAccessManager& QSampleCache::networkAccessManager() QSampleCache::~QSampleCache() { - QMutexLocker m(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); m_loadingThread.quit(); m_loadingThread.wait(); @@ -157,7 +158,7 @@ bool QSampleCache::isLoading() const bool QSampleCache::isCached(const QUrl &url) const { - QMutexLocker locker(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); return m_samples.contains(url); } @@ -174,7 +175,7 @@ QSample* QSampleCache::requestSample(const QUrl& url) #ifdef QT_SAMPLECACHE_DEBUG qDebug() << "QSampleCache: request sample [" << url << "]"; #endif - QMutexLocker locker(&m_mutex); + std::unique_lock<QRecursiveMutex> locker(m_mutex); QMap<QUrl, QSample*>::iterator it = m_samples.find(url); QSample* sample; if (it == m_samples.end()) { @@ -194,7 +195,7 @@ QSample* QSampleCache::requestSample(const QUrl& url) void QSampleCache::setCapacity(qint64 capacity) { - QMutexLocker locker(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); if (m_capacity == capacity) return; #ifdef QT_SAMPLECACHE_DEBUG @@ -227,7 +228,7 @@ void QSampleCache::unloadSample(QSample *sample) // Called in both threads void QSampleCache::refresh(qint64 usageChange) { - QMutexLocker locker(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); m_usage += usageChange; if (m_capacity <= 0 || m_usage <= m_capacity) return; @@ -265,7 +266,7 @@ void QSampleCache::refresh(qint64 usageChange) // Called in both threads void QSampleCache::removeUnreferencedSample(QSample *sample) { - QMutexLocker m(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); m_staleSamples.remove(sample); } @@ -301,7 +302,8 @@ bool QSampleCache::notifyUnreferencedSample(QSample* sample) if (m_loadingThread.isRunning()) m_loadingThread.wait(); - QMutexLocker locker(&m_mutex); + const std::lock_guard<QRecursiveMutex> locker(m_mutex); + if (m_capacity > 0) return false; m_samples.remove(sample->m_url); |