Aegisub/aegisub/video_context.h

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// Copyright (c) 2005-2007, Rodrigo Braz Monteiro
// 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 <time.h>
#include <wx/wxprec.h>
#include <wx/glcanvas.h>
#include <wx/timer.h>
#include <wx/stopwatch.h>
#ifndef wxUSE_GLCANVAS
#error "Aegisub requires wxWidgets to be compiled with OpenGL support."
#endif
#include <list>
#ifdef __APPLE__
#include <OpenGL/GL.h>
#include <OpenGL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
typedef GLuint GLhandleARB;
#endif
#include "video_frame.h"
//////////////
// Prototypes
class SubtitlesGrid;
class AudioProvider;
class AudioDisplay;
class AssDialogue;
class VideoProvider;
class VideoDisplay;
class SubtitlesProvider;
class VideoContextThread;
//////////////
// Main class
class VideoContext : public wxEvtHandler {
friend class AudioProvider;
friend class VisualTool;
friend class VideoContextThread;
private:
static VideoContext *instance;
std::list<VideoDisplay*> displayList;
GLuint lastTex;
GLhandleARB yv12shader;
int lastFrame;
wxGLContext *glContext;
VideoFrameFormat vidFormat;
AegiVideoFrame tempFrame;
wxString tempfile;
VideoProvider *provider;
SubtitlesProvider *subsProvider;
bool keyFramesLoaded;
bool overKeyFramesLoaded;
wxArrayInt KeyFrames;
wxArrayInt overKeyFrames;
wxString keyFramesFilename;
wxMutex playMutex;
wxTimer playback;
wxStopWatch playTime;
int startFrame;
int endFrame;
int playNextFrame;
int nextFrame;
bool threaded;
bool threadLocked;
int threadNextFrame;
wxMutex vidMutex;
wxThread *thread;
bool loaded;
bool isInverted;
bool isPlaying;
bool keepAudioSync;
float texW,texH;
int w,h;
int frame_n;
int length;
double fps;
double arValue;
int arType;
void UnloadTexture();
void OnPlayTimer(wxTimerEvent &event);
public:
SubtitlesGrid *grid;
wxString videoName;
AssDialogue *curLine;
AudioDisplay *audio;
VideoContext();
~VideoContext();
void AddDisplay(VideoDisplay *display);
void RemoveDisplay(VideoDisplay *display);
VideoProvider *GetProvider() { return provider; }
AegiVideoFrame GetFrame(int n,bool raw=false);
bool HasIndependentSubs();
void SaveSnapshot(bool raw);
wxGLContext *GetGLContext(wxGLCanvas *canvas);
GLuint GetFrameAsTexture(int n);
float GetTexW() { return texW; }
float GetTexH() { return texH; }
VideoFrameFormat GetFormat() { return vidFormat; }
void SetShader(bool enabled);
bool IsLoaded() { return loaded; }
bool IsPlaying() { return isPlaying; }
bool IsInverted() { return isInverted; }
void EnableAudioSync(bool sync = true) { keepAudioSync = sync; }
int GetWidth() { return w; }
int GetHeight() { return h; }
int GetLength() { return length; }
int GetFrameN() { return frame_n; }
double GetFPS() { return fps; }
void SetFPS(double _fps) { fps = _fps; }
double GetARFromType(int type);
void SetAspectRatio(int type,double value=1.0);
int GetAspectRatioType() { return arType; }
double GetAspectRatioValue() { return arValue; }
void SetVideo(const wxString &filename);
void Reset();
void Reload();
void JumpToFrame(int n);
void JumpToTime(int ms,bool exact=false);
void Refresh(bool video,bool subtitles);
void UpdateDisplays(bool full);
void GetScriptSize(int &w,int &h);
wxString GetTempWorkFile ();
void Play();
void PlayLine();
void Stop();
wxArrayInt GetKeyFrames();
void SetKeyFrames(wxArrayInt frames);
void SetOverKeyFrames(wxArrayInt frames);
void CloseOverKeyFrames();
bool OverKeyFramesLoaded();
bool KeyFramesLoaded();
wxString GetKeyFramesName() { return keyFramesFilename; }
void SetKeyFramesName(wxString name) { keyFramesFilename = name; }
static VideoContext *Get();
static void Clear();
DECLARE_EVENT_TABLE()
};
//////////
// Thread
class VideoContextThread : public wxThread {
private:
VideoContext *parent;
public:
VideoContextThread(VideoContext *parent);
wxThread::ExitCode Entry();
};