mirror of https://github.com/odrling/Aegisub
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
// Copyright (c) 2008, Rodrigo Braz Monteiro, Fredrik Mellbin
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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#pragma once
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//////////
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// Headers
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#include <list>
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#include "include/aegisub/video_provider.h"
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#include "vfr.h"
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////////////////
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// Cached frame
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class CachedFrame {
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public:
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AegiVideoFrame frame;
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int n;
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};
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////////////////////////////
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// Video Provider interface
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class VideoProviderCache : public VideoProvider {
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private:
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VideoProvider *master;
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unsigned int cacheMax;
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std::list<CachedFrame> cache;
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AegiVideoFrame tempRGBFrame;
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int pos;
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void Cache(int n,const AegiVideoFrame frame);
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AegiVideoFrame GetCachedFrame(int n);
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protected:
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// Cache functions
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void SetCacheMax(int n_frames);
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void ClearCache();
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public:
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// Base methods
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void GetFloatFrame(float* Buffer, int n); // Get frame as float
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const AegiVideoFrame GetFrame(int n, int formatMask);
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VideoProviderCache(VideoProvider *master);
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virtual ~VideoProviderCache();
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// Override the following methods:
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virtual int GetPosition(); // Get the number of the last frame loaded
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virtual int GetFrameCount(); // Get total number of frames
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virtual int GetWidth(); // Returns the video width in pixels
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virtual int GetHeight(); // Returns the video height in pixels
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virtual double GetFPS(); // Get framerate in frames per second
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virtual bool AreKeyFramesLoaded();
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virtual bool IsVFR();
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virtual wxArrayInt GetKeyFrames();
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virtual FrameRate GetTrueFrameRate();
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virtual void OverrideFrameTimeList(Aegisub::IntArray list); // Override the list with the provided one, for VFR handling
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virtual bool IsNativelyByFrames();
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virtual Aegisub::String GetWarning();
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virtual Aegisub::String GetDecoderName();
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};
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