Aegisub/aegisub/src/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 Project http://www.aegisub.org/
//
// $Id$
/// @file video_context.h
/// @see video_context.cpp
/// @ingroup video
///
///////////
// Headers
#ifndef AGI_PRE
#include <time.h>
#include <list>
#include <wx/glcanvas.h>
#include <wx/timer.h>
#include <wx/stopwatch.h>
#endif
#if ! wxUSE_GLCANVAS
#error "Aegisub requires wxWidgets to be compiled with OpenGL support."
#endif
#ifdef __APPLE__
#include <OpenGL/GL.h>
#include <OpenGL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
/// DOCME
typedef GLuint GLhandleARB;
#endif
#include "video_frame.h"
//////////////
// Prototypes
class SubtitlesGrid;
class AudioProvider;
class AudioDisplay;
class AssDialogue;
class VideoProvider;
class VideoDisplay;
class SubtitlesProvider;
/// DOCME
/// @class VideoContext
/// @brief DOCME
///
/// DOCME
class VideoContext : public wxEvtHandler {
friend class AudioProvider;
friend class VisualTool;
private:
/// DOCME
static VideoContext *instance;
/// DOCME
std::list<VideoDisplay*> displayList;
/// DOCME
bool ownGlContext;
/// DOCME
wxGLContext *glContext;
/// DOCME
AegiVideoFrame tempFrame;
/// DOCME
wxString tempfile;
/// DOCME
VideoProvider *provider;
/// DOCME
SubtitlesProvider *subsProvider;
/// DOCME
bool keyFramesLoaded;
/// DOCME
bool overKeyFramesLoaded;
/// DOCME
wxArrayInt KeyFrames;
/// DOCME
wxArrayInt overKeyFrames;
/// DOCME
wxString keyFramesFilename;
/// DOCME
wxMutex playMutex;
/// DOCME
wxTimer playback;
/// DOCME
wxStopWatch playTime;
/// DOCME
int startFrame;
/// DOCME
int endFrame;
/// DOCME
int playNextFrame;
/// DOCME
int nextFrame;
/// DOCME
bool loaded;
/// DOCME
bool isPlaying;
/// DOCME
bool keepAudioSync;
/// DOCME
/// DOCME
int w,h;
/// DOCME
int frame_n;
/// DOCME
int length;
/// DOCME
double fps;
/// DOCME
double arValue;
/// DOCME
int arType;
void OnPlayTimer(wxTimerEvent &event);
public:
/// DOCME
SubtitlesGrid *grid;
/// DOCME
wxString videoName;
/// DOCME
AssDialogue *curLine;
/// DOCME
AudioDisplay *audio;
VideoContext();
~VideoContext();
void AddDisplay(VideoDisplay *display);
void RemoveDisplay(VideoDisplay *display);
/// @brief DOCME
/// @return
///
VideoProvider *GetProvider() { return provider; }
AegiVideoFrame GetFrame(int n,bool raw=false);
void SaveSnapshot(bool raw);
wxGLContext *GetGLContext(wxGLCanvas *canvas);
/// @brief DOCME
/// @return
bool IsLoaded() { return loaded; }
/// @brief DOCME
/// @return
bool IsPlaying() { return isPlaying; }
/// @brief DOCME
/// @param sync
/// @return
void EnableAudioSync(bool sync = true) { keepAudioSync = sync; }
/// @brief DOCME
/// @return
int GetWidth() { return w; }
/// @brief DOCME
/// @return
int GetHeight() { return h; }
/// @brief DOCME
/// @return
int GetLength() { return length; }
/// @brief DOCME
/// @return
int GetFrameN() { return frame_n; }
/// @brief DOCME
/// @return
double GetFPS() { return fps; }
/// @brief DOCME
/// @param _fps
/// @return
void SetFPS(double fps) { this->fps = fps; }
double GetARFromType(int type);
void SetAspectRatio(int type,double value=1.0);
/// @brief DOCME
/// @return
int GetAspectRatioType() { return arType; }
/// @brief DOCME
/// @return
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();
/// @brief DOCME
/// @return
///
wxString GetKeyFramesName() { return keyFramesFilename; }
/// @brief DOCME
/// @param name
///
void SetKeyFramesName(wxString name) { keyFramesFilename = name; }
static VideoContext *Get();
static void Clear();
DECLARE_EVENT_TABLE()
};