mirror of https://github.com/odrling/Aegisub
100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
// Copyright (c) 2006-2008, 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
|
|
//
|
|
// Website: http://aegisub.cellosoft.com
|
|
// Contact: mailto:zeratul@cellosoft.com
|
|
//
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
//////////
|
|
// Headers
|
|
#include <wx/intl.h>
|
|
#include "video_frame.h"
|
|
#include "factory.h"
|
|
|
|
|
|
//////////////
|
|
// Prototypes
|
|
class SubtitlesProvider;
|
|
|
|
|
|
////////////////////////////
|
|
// Video Provider interface
|
|
class VideoProvider {
|
|
public:
|
|
// Virtual destructor
|
|
virtual ~VideoProvider() {}
|
|
|
|
// Override this method to actually get frames
|
|
virtual const AegiVideoFrame GetFrame(int n, int formatMask)=0;
|
|
|
|
// Override the following methods to get video information:
|
|
virtual int GetPosition()=0; // Get the number of the last frame loaded
|
|
virtual int GetFrameCount()=0; // Get total number of frames
|
|
virtual int GetWidth()=0; // Returns the video width in pixels
|
|
virtual int GetHeight()=0; // Returns the video height in pixels
|
|
virtual double GetFPS()=0; // Get framerate in frames per second
|
|
|
|
// Use this to set any post-loading warnings, such as "being loaded with unreliable seeking"
|
|
virtual wxString GetWarning() { return _T(""); }
|
|
|
|
// Name of decoder, e.g. "Avisynth/FFMPegSource"
|
|
virtual wxString GetDecoderName() { return _("Unknown"); }
|
|
|
|
// How many frames does this provider wants that Aegisub caches? Set to 0 if it doesn't require caching.
|
|
virtual int GetDesiredCacheSize() { return 0; }
|
|
|
|
// For providers that are natively time-based (e.g. DirectShow)
|
|
virtual bool IsNativelyByFrames() { return true; }
|
|
virtual void OverrideFrameTimeList(wxArrayInt list) {} // Override the list with the provided one, for VFR handling
|
|
|
|
// If this video provider has a built-in subtitles provider, return that
|
|
virtual SubtitlesProvider *GetAsSubtitlesProvider() { return NULL; }
|
|
};
|
|
|
|
|
|
///////////
|
|
// Factory
|
|
class VideoProviderFactory : public AegisubFactory<VideoProviderFactory> {
|
|
protected:
|
|
virtual VideoProvider *CreateProvider(wxString video,double fps=0.0)=0;
|
|
VideoProviderFactory(wxString name) { RegisterFactory(name); }
|
|
|
|
public:
|
|
virtual ~VideoProviderFactory() {}
|
|
static VideoProvider *GetProvider(wxString video,double fps=0.0);
|
|
|
|
static void RegisterProviders();
|
|
};
|