Aegisub/aegisub/video_display.cpp

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// Copyright (c) 2005-2007, Rodrigo Braz Monteiro
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// 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
//
////////////
// Includes
#include "setup.h"
#include <wx/image.h>
#include <string.h>
#include <wx/clipbrd.h>
#include <wx/filename.h>
#include <wx/config.h>
#include "utils.h"
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#include "video_display.h"
#include "video_display_visual.h"
#include "video_provider.h"
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#include "vfr.h"
#include "ass_file.h"
#include "ass_time.h"
#include "ass_dialogue.h"
#include "ass_style.h"
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#include "subs_grid.h"
#include "vfw_wrap.h"
#include "mkv_wrap.h"
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#include "options.h"
#include "subs_edit_box.h"
#include "audio_display.h"
#include "main.h"
#include "video_slider.h"
#if USE_FEXTRACKER == 1
#include "../FexTrackerSource/FexTracker.h"
#include "../FexTrackerSource/FexTrackingFeature.h"
#include "../FexTrackerSource/FexMovement.h"
#endif
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///////
// IDs
enum {
VIDEO_MENU_COPY_TO_CLIPBOARD = 1230,
VIDEO_MENU_COPY_COORDS,
VIDEO_MENU_SAVE_SNAPSHOT,
VIDEO_PLAY_TIMER
};
///////////////
// Event table
BEGIN_EVENT_TABLE(VideoDisplay, wxWindow)
EVT_MOUSE_EVENTS(VideoDisplay::OnMouseEvent)
EVT_KEY_DOWN(VideoDisplay::OnKey)
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EVT_LEAVE_WINDOW(VideoDisplay::OnMouseLeave)
EVT_PAINT(VideoDisplay::OnPaint)
EVT_TIMER(VIDEO_PLAY_TIMER,VideoDisplay::OnPlayTimer)
EVT_MENU(VIDEO_MENU_COPY_TO_CLIPBOARD,VideoDisplay::OnCopyToClipboard)
EVT_MENU(VIDEO_MENU_SAVE_SNAPSHOT,VideoDisplay::OnSaveSnapshot)
EVT_MENU(VIDEO_MENU_COPY_COORDS,VideoDisplay::OnCopyCoords)
END_EVENT_TABLE()
///////////////
// Constructor
VideoDisplay::VideoDisplay(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
: wxWindow (parent, id, pos, size, style, name)
{
audio = NULL;
provider = NULL;
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curLine = NULL;
ControlSlider = NULL;
PositionDisplay = NULL;
loaded = false;
keyFramesLoaded = false;
overKeyFramesLoaded = false;
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frame_n = 0;
origSize = size;
arType = 0;
IsPlaying = false;
threaded = Options.AsBool(_T("Threaded Video"));
nextFrame = -1;
zoomValue = 0.5;
visual = new VideoDisplayVisual(this);
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}
//////////////
// Destructor
VideoDisplay::~VideoDisplay () {
wxRemoveFile(tempfile);
tempfile = _T("");
SetVideo(_T(""));
delete visual;
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}
void VideoDisplay::UpdateSize() {
if (provider) {
w = provider->GetWidth();
h = provider->GetHeight();
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// Set the size for this control
SetSizeHints(w,h,w,h);
SetClientSize(w,h);
int _w,_h;
GetSize(&_w,&_h);
SetSizeHints(_w,_h,_w,_h);
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}
}
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//////////
// Resets
void VideoDisplay::Reset() {
w = origSize.GetX();
h = origSize.GetY();
SetClientSize(w,h);
int _w,_h;
GetSize(&_w,&_h);
SetSizeHints(_w,_h,_w,_h);
KeyFrames.Clear();
keyFramesLoaded = false;
// Remove temporary audio provider
if (audio && audio->temporary) {
delete audio->provider;
audio->provider = NULL;
delete audio->player;
audio->player = NULL;
audio->temporary = false;
}
}
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///////////////////////
// Sets video filename
void VideoDisplay::SetVideo(const wxString &filename) {
// Unload video
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delete provider;
provider = NULL;
//if (VFR_Output.GetFrameRateType() == VFR) VFR_Output.Unload();
//VFR_Input.Unload();
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videoName = _T("");
loaded = false;
frame_n = 0;
Reset();
// Load video
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if (!filename.IsEmpty()) {
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try {
grid->CommitChanges(true);
bool isVfr = false;
double overFps = 0;
FrameRate temp;
// Unload timecodes
//int unload = wxYES;
//if (VFR_Output.IsLoaded()) unload = wxMessageBox(_("Do you want to unload timecodes, too?"),_("Unload timecodes?"),wxYES_NO | wxICON_QUESTION);
//if (unload == wxYES) VFR_Output.Unload();
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// Read extra data from file
bool mkvOpen = MatroskaWrapper::wrapper.IsOpen();
wxString ext = filename.Right(4).Lower();
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KeyFrames.Clear();
if (ext == _T(".mkv") || mkvOpen) {
// Parse mkv
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if (!mkvOpen) MatroskaWrapper::wrapper.Open(filename);
// Get keyframes
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KeyFrames = MatroskaWrapper::wrapper.GetKeyFrames();
keyFramesLoaded = true;
// Ask to override timecodes
int override = wxYES;
if (VFR_Output.IsLoaded()) override = wxMessageBox(_("You already have timecodes loaded. Replace them with the timecodes from the Matroska file?"),_("Replace timecodes?"),wxYES_NO | wxICON_QUESTION);
if (override == wxYES) {
MatroskaWrapper::wrapper.SetToTimecodes(temp);
isVfr = temp.GetFrameRateType() == VFR;
if (isVfr) {
overFps = temp.GetCommonFPS();
MatroskaWrapper::wrapper.SetToTimecodes(VFR_Input);
MatroskaWrapper::wrapper.SetToTimecodes(VFR_Output);
}
}
// Close mkv
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MatroskaWrapper::wrapper.Close();
}
#ifdef __WINDOWS__
else if (ext == _T(".avi")) {
KeyFrames = VFWWrapper::GetKeyFrames(filename);
keyFramesLoaded = true;
}
#endif
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// Choose a provider
provider = VideoProvider::GetProvider(filename,GetTempWorkFile(),overFps);
if (isVfr) provider->OverrideFrameTimeList(temp.GetFrameTimeList());
provider->SetZoom(zoomValue);
if (arType != 4) arValue = GetARFromType(arType); // 4 = custom
provider->SetDAR(arValue);
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// Update size
UpdateSize();
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//Gather video parameters
length = provider->GetFrameCount();
fps = provider->GetFPS();
if (!isVfr) {
VFR_Input.SetCFR(fps);
if (VFR_Output.GetFrameRateType() != VFR) VFR_Output.SetCFR(fps);
}
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// Set range of slider
ControlSlider->SetRange(0,length-1);
ControlSlider->SetValue(0);
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videoName = filename;
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// Add to recent
Options.AddToRecentList(filename,_T("Recent vid"));
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RefreshVideo();
UpdatePositionDisplay();
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}
catch (wxString &e) {
wxMessageBox(e,_T("Error setting video"),wxICON_ERROR | wxOK);
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}
}
loaded = provider != NULL;
}
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/////////////////////
// Refresh subtitles
void VideoDisplay::RefreshSubtitles() {
provider->RefreshSubtitles();
RefreshVideo();
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}
/////////////////
// OnPaint event
void VideoDisplay::OnPaint(wxPaintEvent& event) {
wxPaintDC dc(this);
// Draw frame
if (provider) dc.DrawBitmap(GetFrame(frame_n),0,0);
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}
///////////////
// Mouse stuff
void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
// Disable when playing
if (IsPlaying) return;
if (event.Leaving()) {
// OnMouseLeave isn't called as long as we have an OnMouseEvent
// Just check for it and call it manually instead
OnMouseLeave(event);
event.Skip(true);
return;
}
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// Right click
if (event.ButtonUp(wxMOUSE_BTN_RIGHT)) {
wxMenu menu;
menu.Append(VIDEO_MENU_SAVE_SNAPSHOT,_("Save PNG snapshot"));
menu.Append(VIDEO_MENU_COPY_TO_CLIPBOARD,_("Copy image to Clipboard"));
menu.Append(VIDEO_MENU_COPY_COORDS,_("Copy coordinates to Clipboard"));
PopupMenu(&menu);
return;
}
// Click?
if (event.ButtonDown(wxMOUSE_BTN_ANY)) {
SetFocus();
}
// Send to visual
visual->OnMouseEvent(event);
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}
/////////////
// Key event
void VideoDisplay::OnKey(wxKeyEvent &event) {
visual->OnKeyEvent(event);
}
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//////////////////////
// Mouse left display
void VideoDisplay::OnMouseLeave(wxMouseEvent& event) {
if (IsPlaying) return;
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bTrackerEditing = 0;
RefreshVideo();
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}
///////////////////////////////////////
// Jumps to a frame and update display
void VideoDisplay::JumpToFrame(int n) {
// Loaded?
if (!loaded) return;
// Prevent intervention during playback
if (IsPlaying && n != PlayNextFrame) return;
// Set frame
GetFrame(n);
// Display
RefreshVideo();
UpdatePositionDisplay();
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// Update slider
ControlSlider->SetValue(n);
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// Update grid
if (!IsPlaying && Options.AsBool(_T("Highlight subs in frame"))) grid->Refresh(false);
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}
////////////////////////////
// Jumps to a specific time
void VideoDisplay::JumpToTime(int ms) {
JumpToFrame(VFR_Output.GetFrameAtTime(ms));
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}
///////////////////
// Sets zoom level
void VideoDisplay::SetZoom(double value) {
zoomValue = value;
if (provider) {
provider->SetZoom(value);
UpdateSize();
RefreshVideo();
GetParent()->Layout();
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}
}
//////////////////////
// Sets zoom position
void VideoDisplay::SetZoomPos(int value) {
if (value < 0) value = 0;
if (value > 15) value = 15;
SetZoom(double(value+1)/8.0);
if (zoomBox->GetSelection() != value) zoomBox->SetSelection(value);
}
//////////////////////////
// Calculate aspect ratio
double VideoDisplay::GetARFromType(int type) {
if (type == 0) return (double)provider->GetSourceWidth()/(double)provider->GetSourceHeight();
if (type == 1) return 4.0/3.0;
if (type == 2) return 16.0/9.0;
if (type == 3) return 2.35;
return 1.0; //error
}
/////////////////////
// Sets aspect ratio
void VideoDisplay::SetAspectRatio(int _type, double value) {
if (provider) {
// Get value
if (_type != 4) value = GetARFromType(_type);
if (value < 0.5) value = 0.5;
if (value > 5.0) value = 5.0;
// Set
provider->SetDAR(value);
arType = _type;
arValue = value;
UpdateSize();
RefreshVideo();
GetParent()->Layout();
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}
}
////////////////////////////
// Updates position display
void VideoDisplay::UpdatePositionDisplay() {
// Update position display control
if (!PositionDisplay) {
throw _T("Position Display not set!");
}
// Get time
int time = VFR_Output.GetTimeAtFrame(frame_n,true,true);
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int temp = time;
int h=0, m=0, s=0, ms=0;
while (temp >= 3600000) {
temp -= 3600000;
h++;
}
while (temp >= 60000) {
temp -= 60000;
m++;
}
while (temp >= 1000) {
temp -= 1000;
s++;
}
ms = temp;
// Position display update
PositionDisplay->SetValue(wxString::Format(_T("%01i:%02i:%02i.%03i - %i"),h,m,s,ms,frame_n));
if (GetKeyFrames().Index(frame_n) != wxNOT_FOUND) {
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PositionDisplay->SetBackgroundColour(Options.AsColour(_T("Grid selection background")));
PositionDisplay->SetForegroundColour(Options.AsColour(_T("Grid selection foreground")));
}
else {
PositionDisplay->SetBackgroundColour(wxNullColour);
PositionDisplay->SetForegroundColour(wxNullColour);
}
// Subs position display update
UpdateSubsRelativeTime();
}
////////////////////////////////////////////////////
// Updates box with subs position relative to frame
void VideoDisplay::UpdateSubsRelativeTime() {
// Set variables
wxString startSign;
wxString endSign;
int startOff,endOff;
// Set start/end
if (curLine) {
int time = VFR_Output.GetTimeAtFrame(frame_n,true,true);
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startOff = time - curLine->Start.GetMS();
endOff = time - curLine->End.GetMS();
}
// Fallback to zero
else {
startOff = 0;
endOff = 0;
}
// Positive signs
if (startOff > 0) startSign = _T("+");
if (endOff > 0) endSign = _T("+");
// Update line
SubsPosition->SetValue(wxString::Format(_T("%s%ims; %s%ims"),startSign.c_str(),startOff,endSign.c_str(),endOff));
}
/////////////////////
// Copy to clipboard
void VideoDisplay::OnCopyToClipboard(wxCommandEvent &event) {
if (wxTheClipboard->Open()) {
wxTheClipboard->SetData(new wxBitmapDataObject(GetFrame(frame_n)));
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wxTheClipboard->Close();
}
}
/////////////////
// Save snapshot
void VideoDisplay::OnSaveSnapshot(wxCommandEvent &event) {
SaveSnapshot();
}
void VideoDisplay::SaveSnapshot() {
// Get folder
wxString option = Options.AsText(_("Video Screenshot Path"));
wxFileName videoFile(videoName);
wxString basepath;
if (option == _T("?video")) {
basepath = videoFile.GetPath();
}
else if (option == _T("?script")) {
if (grid->ass->filename.IsEmpty()) basepath = videoFile.GetPath();
else {
wxFileName file2(grid->ass->filename);
basepath = file2.GetPath();
}
}
else basepath = DecodeRelativePath(option,((AegisubApp*)wxTheApp)->folderName);
basepath += _T("/") + videoFile.GetName();
// Get full path
int session_shot_count = 1;
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wxString path;
while (1) {
path = basepath + wxString::Format(_T("_%03i_%i.png"),session_shot_count,frame_n);
++session_shot_count;
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wxFileName tryPath(path);
if (!tryPath.FileExists()) break;
}
// Save
GetFrame(frame_n).ConvertToImage().SaveFile(path,wxBITMAP_TYPE_PNG);
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}
/////////////////////
// Copy coordinates
void VideoDisplay::OnCopyCoords(wxCommandEvent &event) {
if (wxTheClipboard->Open()) {
int sw,sh;
GetScriptSize(sw,sh);
int vx = (sw * visual->mouseX + w/2) / w;
int vy = (sh * visual->mouseY + h/2) / h;
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wxTheClipboard->SetData(new wxTextDataObject(wxString::Format(_T("%i,%i"),vx,vy)));
wxTheClipboard->Close();
}
}
//////////////////
// Refresh screen
void VideoDisplay::RefreshVideo() {
// Draw frame
wxClientDC dc(this);
dc.DrawBitmap(GetFrame(),0,0);
// Draw the control points for FexTracker
visual->DrawTrackingOverlay(dc);
}
//////////////////
// DrawVideoWithOverlay
void VideoDisplay::DrawText( wxPoint Pos, wxString text ) {
// Draw frame
wxClientDC dc(this);
dc.SetBrush(wxBrush(wxColour(128,128,128),wxSOLID));
dc.DrawRectangle( 0,0, provider->GetWidth(), provider->GetHeight() );
dc.SetTextForeground(wxColour(64,64,64));
dc.DrawText(text,Pos.x+1,Pos.y-1);
dc.DrawText(text,Pos.x+1,Pos.y+1);
dc.DrawText(text,Pos.x-1,Pos.y-1);
dc.DrawText(text,Pos.x-1,Pos.y+1);
dc.SetTextForeground(wxColour(255,255,255));
dc.DrawText(text,Pos.x,Pos.y);
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}
////////////////////////
// Requests a new frame
wxBitmap VideoDisplay::GetFrame(int n) {
frame_n = n;
return provider->GetFrame(n);
RefreshVideo();
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}
////////////////////////////
// Get dimensions of script
void VideoDisplay::GetScriptSize(int &sw,int &sh) {
grid->ass->GetResolution(sw,sh);
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}
////////
// Play
void VideoDisplay::Play() {
// Stop if already playing
if (IsPlaying) {
Stop();
return;
}
// Set variables
IsPlaying = true;
StartFrame = frame_n;
EndFrame = -1;
// Start playing audio
audio->Play(VFR_Output.GetTimeAtFrame(StartFrame),-1);
// Start timer
StartTime = clock();
PlayTime = StartTime;
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Playback.SetOwner(this,VIDEO_PLAY_TIMER);
Playback.Start(1);
}
/////////////
// Play line
void VideoDisplay::PlayLine() {
// Get line
AssDialogue *curline = grid->GetDialogue(grid->editBox->linen);
if (!curline) return;
// Start playing audio
audio->Play(curline->Start.GetMS(),curline->End.GetMS());
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// Set variables
IsPlaying = true;
StartFrame = VFR_Output.GetFrameAtTime(curline->Start.GetMS(),true);
EndFrame = VFR_Output.GetFrameAtTime(curline->End.GetMS(),false);
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// Jump to start
PlayNextFrame = StartFrame;
JumpToFrame(StartFrame);
// Set other variables
StartTime = clock();
PlayTime = StartTime;
// Start timer
Playback.SetOwner(this,VIDEO_PLAY_TIMER);
Playback.Start(1);
}
////////
// Stop
void VideoDisplay::Stop() {
if (IsPlaying) {
Playback.Stop();
IsPlaying = false;
audio->Stop();
}
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}
//////////////
// Play timer
void VideoDisplay::OnPlayTimer(wxTimerEvent &event) {
// Get time difference
clock_t cur = clock();
int dif = (clock() - StartTime)*1000/CLOCKS_PER_SEC;
if (!dif) return;
PlayTime = cur;
// Find next frame
int startMs = VFR_Output.GetTimeAtFrame(StartFrame);
int nextFrame = frame_n;
for (int i=0;i<10;i++) {
if (nextFrame >= length) break;
if (dif < VFR_Output.GetTimeAtFrame(nextFrame) - startMs) {
break;
}
nextFrame++;
}
// Same frame
if (nextFrame == frame_n) return;
// End
if (nextFrame >= length || (EndFrame != -1 && nextFrame > EndFrame)) {
Stop();
return;
}
// Next frame is before or over 2 frames ahead, so force audio resync
if (nextFrame < frame_n || nextFrame > frame_n + 2) audio->player->SetCurrentPosition(audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame)));
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// Jump to next frame
PlayNextFrame = nextFrame;
JumpToFrame(nextFrame);
// Sync audio
if (nextFrame % 10 == 0) {
__int64 audPos = audio->GetSampleAtMS(VFR_Output.GetTimeAtFrame(nextFrame));
__int64 curPos = audio->player->GetCurrentPosition();
int delta = int(audPos-curPos);
if (delta < 0) delta = -delta;
int maxDelta = audio->provider->GetSampleRate();
if (delta > maxDelta) audio->player->SetCurrentPosition(audPos);
}
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}
//////////////////////////////
// Get name of temp work file
wxString VideoDisplay::GetTempWorkFile () {
if (tempfile.IsEmpty()) {
tempfile = wxFileName::CreateTempFileName(_T("aegisub"));
wxRemoveFile(tempfile);
tempfile += _T(".ass");
}
return tempfile;
}
/////////////////
// Get keyframes
wxArrayInt VideoDisplay::GetKeyFrames() {
if (OverKeyFramesLoaded()) return overKeyFrames;
return KeyFrames;
}
/////////////////
// Set keyframes
void VideoDisplay::SetKeyFrames(wxArrayInt frames) {
KeyFrames = frames;
}
/////////////////////////
// Set keyframe override
void VideoDisplay::SetOverKeyFrames(wxArrayInt frames) {
overKeyFrames = frames;
overKeyFramesLoaded = true;
}
///////////////////
// Close keyframes
void VideoDisplay::CloseOverKeyFrames() {
overKeyFrames.Clear();
overKeyFramesLoaded = false;
}
//////////////////////////////////////////
// Check if override keyframes are loaded
bool VideoDisplay::OverKeyFramesLoaded() {
return overKeyFramesLoaded;
}
/////////////////////////////////
// Check if keyframes are loaded
bool VideoDisplay::KeyFramesLoaded() {
return overKeyFramesLoaded || keyFramesLoaded;
}