84 lines
1.4 KiB
C++
84 lines
1.4 KiB
C++
#ifndef STILLIMAGECACHE_H
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#define STILLIMAGECACHE_H
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#include <QHash>
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#include "common/rational.h"
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#include "project/item/footage/stream.h"
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#include "render/texture.h"
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OLIVE_NAMESPACE_ENTER
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class StillImageCache
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{
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public:
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struct Entry {
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TexturePtr texture;
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StreamPtr stream;
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QString colorspace;
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bool alpha_is_associated;
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int divider;
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rational time;
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};
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QMutex* mutex()
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{
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return &mutex_;
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}
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const QVector<Entry>& entries() const
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{
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return entries_;
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}
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const QVector<Entry>& pending() const
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{
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return pending_;
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}
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static bool CompareEntryMetadata(const Entry& a, const Entry& b)
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{
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return (a.stream == b.stream
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&& a.colorspace == b.colorspace
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&& a.alpha_is_associated == b.alpha_is_associated
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&& a.divider == b.divider
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&& a.time == b.time);
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}
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void PushPending(const Entry& e)
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{
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pending_.prepend(e);
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}
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void PushEntry(const Entry& e)
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{
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entries_.prepend(e);
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if (entries_.size() > 8) {
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entries_.removeLast();
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}
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}
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void RemovePending(const Entry& e)
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{
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for (int i=0; i<pending_.size(); i++) {
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if (CompareEntryMetadata(pending_.at(i), e)) {
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pending_.removeAt(i);
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break;
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}
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}
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}
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private:
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QMutex mutex_;
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QVector<Entry> entries_;
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QVector<Entry> pending_;
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};
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OLIVE_NAMESPACE_EXIT
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#endif // STILLIMAGECACHE_H
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