itsmattkc
40b3879440
Major refactoring work to try sharing as much code as possible between the video renderers and audio renderers, as well as make them as platform-independent as possible.
99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
#include "videorenderframecache.h"
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#include <QDir>
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#include <QFileInfo>
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#include "common/filefunctions.h"
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VideoRenderFrameCache::VideoRenderFrameCache()
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{
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}
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bool VideoRenderFrameCache::HasHash(const QByteArray &hash)
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{
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return QFileInfo::exists(CachePathName(hash)) && !IsCaching(hash);
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}
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bool VideoRenderFrameCache::IsCaching(const QByteArray &hash)
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{
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currently_caching_lock_.lock();
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bool is_caching = currently_caching_list_.contains(hash);
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currently_caching_lock_.unlock();
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return is_caching;
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}
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bool VideoRenderFrameCache::TryCache(const QByteArray &hash)
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{
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currently_caching_lock_.lock();
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bool is_caching = currently_caching_list_.contains(hash);
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if (!is_caching) {
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currently_caching_list_.append(hash);
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}
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currently_caching_lock_.unlock();
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return !is_caching;
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}
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void VideoRenderFrameCache::SetCacheID(const QString &id)
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{
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cache_id_ = id;
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}
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QByteArray VideoRenderFrameCache::TimeToHash(const rational &time)
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{
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return time_hash_map_.value(time);
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}
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void VideoRenderFrameCache::SetHash(const rational &time, const QByteArray &hash)
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{
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// No longer currently caching this frame
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RemoveHashFromCurrentlyCaching(hash);
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// Insert frame into map
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time_hash_map_.insert(time, hash);
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}
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void VideoRenderFrameCache::RemoveHash(const rational &time)
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{
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RemoveHashFromCurrentlyCaching(time_hash_map_.value(time));
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time_hash_map_.remove(time);
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}
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void VideoRenderFrameCache::Truncate(const rational &time)
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{
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QMap<rational, QByteArray>::iterator i = time_hash_map_.begin();
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while (i != time_hash_map_.end()) {
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if (i.key() >= time) {
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i = time_hash_map_.erase(i);
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} else {
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i++;
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}
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}
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}
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void VideoRenderFrameCache::RemoveHashFromCurrentlyCaching(const QByteArray &hash)
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{
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currently_caching_lock_.lock();
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currently_caching_list_.removeOne(hash);
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currently_caching_lock_.unlock();
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}
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QString VideoRenderFrameCache::CachePathName(const QByteArray &hash)
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{
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QDir this_cache_dir = QDir(GetMediaCacheLocation()).filePath(cache_id_);
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this_cache_dir.mkpath(".");
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QString filename = QStringLiteral("%1.exr").arg(QString(hash.toHex()));
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return this_cache_dir.filePath(filename);
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}
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