Files
oak-editor/app/codec/ffmpeg/ffmpegframecache.h
T
itsmattkc 1aa87cbda6 various: encapsulate all code in the olive namespace to avoid name collisions
Large-scale code cleanup. Also adds a license to the top of all files that were
missing it.
2020-04-06 15:29:53 +10:00

81 lines
1.6 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef FFMPEGFRAMECACHE_H
#define FFMPEGFRAMECACHE_H
#include <QList>
#include <QMutex>
#include "codec/frame.h"
#include "render/videoparams.h"
OLIVE_NAMESPACE_ENTER
class FFmpegFrameCache
{
public:
FFmpegFrameCache() = default;
static Frame* Get(const VideoRenderingParams& params);
static void Release(Frame* f);
class Client
{
public:
Client() = default;
Frame* append(const VideoRenderingParams &params);
void clear();
bool isEmpty() const;
Frame* first() const;
Frame* at(int i) const;
Frame* last() const;
int size() const;
void accessedFirst();
void accessedLast();
void accessed(int i);
void remove_old_frames(qint64 older_than);
private:
struct CachedFrame {
Frame* frame;
qint64 accessed;
};
QList<CachedFrame> frames_;
};
private:
static QMutex pool_lock_;
static QList<Frame*> frame_pool_;
};
OLIVE_NAMESPACE_EXIT
#endif // FFMPEGFRAMECACHE_H