forked from mia/Aegisub
82 lines
3 KiB
C++
82 lines
3 KiB
C++
// Copyright (c) 2008, Rodrigo Braz Monteiro, Fredrik Mellbin
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
//
|
|
// $Id$
|
|
|
|
/// @file video_provider_cache.h
|
|
/// @see video_provider_cache.cpp
|
|
/// @ingroup video_input
|
|
///
|
|
|
|
#ifndef AGI_PRE
|
|
#include <list>
|
|
#include <memory>
|
|
#endif
|
|
|
|
#include "include/aegisub/video_provider.h"
|
|
|
|
struct CachedFrame;
|
|
|
|
/// DOCME
|
|
/// @class VideoProviderCache
|
|
/// @brief DOCME
|
|
///
|
|
/// DOCME
|
|
class VideoProviderCache : public VideoProvider {
|
|
/// DOCME
|
|
std::auto_ptr<VideoProvider> master;
|
|
|
|
/// DOCME
|
|
unsigned int cacheMax;
|
|
|
|
/// DOCME
|
|
std::list<CachedFrame> cache;
|
|
|
|
void Cache(int n,const AegiVideoFrame frame);
|
|
AegiVideoFrame GetCachedFrame(int n);
|
|
|
|
// Cache functions
|
|
unsigned GetCurCacheSize();
|
|
|
|
public:
|
|
// Base methods
|
|
const AegiVideoFrame GetFrame(int n);
|
|
VideoProviderCache(VideoProvider *master);
|
|
virtual ~VideoProviderCache();
|
|
|
|
// Override the following methods:
|
|
virtual int GetPosition() const { return master->GetPosition(); }
|
|
virtual int GetFrameCount() const { return master->GetFrameCount(); }
|
|
virtual int GetWidth() const { return master->GetWidth(); }
|
|
virtual int GetHeight() const { return master->GetHeight(); }
|
|
virtual agi::vfr::Framerate GetFPS() const { return master->GetFPS(); }
|
|
virtual std::vector<int> GetKeyFrames() const { return master->GetKeyFrames(); }
|
|
virtual wxString GetWarning() const { return master->GetWarning(); }
|
|
virtual wxString GetDecoderName() const { return master->GetDecoderName(); }
|
|
};
|