forked from mia/Aegisub
Remove PRS support, I've left the files in devel/prs they can be deleted at a later time.. Closes #1012.
Originally committed to SVN as r3748.
This commit is contained in:
Amar Takhar
parent
810c0a7eb0
commit
afd9133fc0
3 changed files with 0 additions and 938 deletions
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@ -1571,14 +1571,6 @@
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RelativePath="..\..\src\subtitle_format_mkv.h"
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RelativePath="..\..\src\subtitle_format_mkv.h"
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>
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>
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</File>
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</File>
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<File
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RelativePath="..\..\src\subtitle_format_prs.cpp"
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>
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</File>
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<File
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RelativePath="..\..\src\subtitle_format_prs.h"
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>
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</File>
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<File
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<File
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RelativePath="..\..\src\subtitle_format_srt.cpp"
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RelativePath="..\..\src\subtitle_format_srt.cpp"
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>
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>
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@ -1,837 +0,0 @@
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// Copyright (c) 2006, Rodrigo Braz Monteiro
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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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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file subtitle_format_prs.cpp
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/// @brief Writing of pre-rendered subtitle format files
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/// @ingroup subtitle_io
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///
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///////////
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// Headers
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#include "config.h"
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#if USE_PRS == 1
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#ifndef AGI_PRE
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#include <wx/docview.h>
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#include <wx/filename.h>
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#include <wx/image.h>
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#include <wx/mstream.h>
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#endif
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#include "../prs/prs.h"
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "ass_override.h"
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#include "avisynth_wrap.h"
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#include "charset_conv.h"
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#include "dialog_progress.h"
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#include "frame_main.h"
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#include "main.h"
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#include "md5.h"
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#include "subtitle_format_prs.h"
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#include "utils.h"
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#include "vfr.h"
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#include "video_box.h"
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#include "video_display.h"
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#include "video_provider.h"
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/// @brief Can write to file?
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/// @param filename
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/// @return
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///
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bool PRSSubtitleFormat::CanWriteFile(wxString filename) {
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#ifdef __WINDOWS__
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return false;
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//return (filename.Right(4).Lower() == _T(".prs"));
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#else
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return false;
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#endif
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}
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/// @brief Get name
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/// @return
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///
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wxString PRSSubtitleFormat::GetName() {
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return _T("Pre-Rendered Subtitles");
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}
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/// @brief Get write wildcards
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/// @return
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///
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wxArrayString PRSSubtitleFormat::GetWriteWildcards() {
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wxArrayString formats;
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formats.Add(_T("prs"));
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return formats;
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}
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/// @brief Write file
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/// @param filename
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/// @param encoding
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/// @return
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///
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void PRSSubtitleFormat::WriteFile(wxString filename,wxString encoding) {
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#ifdef __WINDOWS__
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// Video loaded?
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if (VideoContext::Get()->IsLoaded()) throw _T("Video not loaded!");
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// Create the PRS file
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PRSFile file;
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// Create the temporary .ass file
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wxString tempFile1 = wxFileName::CreateTempFileName(_T("aegisub"));
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wxRemoveFile(tempFile1);
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wxString tempFile = tempFile1 + _T(".ass");
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GetAssFile()->Save(tempFile,false,false);
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// Open two Avisynth environments
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AviSynthWrapper avs1,avs2;
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IScriptEnvironment *env1 = avs1.GetEnv();
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IScriptEnvironment *env2 = avs2.GetEnv();
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// Prepare the Avisynth environments, that is, generate blank clips and hardsub into them
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wxString val = wxString::Format(_T("BlankClip(pixel_type=\"RGB32\",length=%i,width=%i,height=%i,fps=%f"),VideoContext::Get()->GetLength(),VideoContext::Get()->GetWidth(),VideoContext::Get()->GetHeight(),VideoContext::Get()->GetFPS());
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AVSValue script1 = env1->Invoke("Eval",AVSValue(wxString(val + _T(",color=$000000)")).mb_str(wxConvUTF8)));
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AVSValue script2 = env2->Invoke("Eval",AVSValue(wxString(val + _T(",color=$FFFFFF)")).mb_str(wxConvUTF8)));
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char temp[512];
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strcpy(temp,tempFile.mb_str(csConvLocal));
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AVSValue args1[2] = { script1.AsClip(), temp };
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AVSValue args2[2] = { script2.AsClip(), temp };
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try {
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script1 = env1->Invoke("TextSub", AVSValue(args1,2));
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script2 = env2->Invoke("TextSub", AVSValue(args2,2));
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}
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catch (AvisynthError &err) {
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throw _T("AviSynth error: ") + wxString(err.msg,csConvLocal);
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}
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PClip clip1 = script1.AsClip();
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PClip clip2 = script2.AsClip();
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// Get range
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std::vector<int> frames = GetFrameRanges();
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int totalFrames = frames.size();
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int toDraw = 0;
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for (int i=0;i<totalFrames;i++) {
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if (frames[i] == 2) toDraw++;
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}
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// Set variables
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id = 0;
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lastDisplay = NULL;
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optimizer = 1; // 0 = none, 1 = optipng, 2 = pngout
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// Progress
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bool canceled = false;
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DialogProgress *progress = new DialogProgress(NULL,_("Exporting PRS"),&canceled,_("Writing file"),0,toDraw);
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progress->Show();
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progress->SetProgress(0,toDraw);
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// Render all frames that were detected to contain subtitles
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int lastFrameDrawn = 0;
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int drawn = 0;
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for (int framen=0;framen<totalFrames;framen++) {
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// Canceled?
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if (canceled) break;
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// Is this frame supposed to be rendered?
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if (frames[framen] == 0) continue;
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// Update progress
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progress->SetProgress(drawn,toDraw);
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progress->SetText(wxString::Format(_T("Writing PRS file. Line: %i/%i (%.2f%%)"),framen,totalFrames,MIN(float(drawn)*100/toDraw,100.0)));
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if (frames[framen] == 2) drawn++;
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// Read the frame image
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PVideoFrame frame1 = clip1->GetFrame(framen,env1);
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PVideoFrame frame2 = clip2->GetFrame(framen,env2);
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// Prepare to get wxImage
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int x=0,y=0;
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int maxalpha=0;
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// Get wxImage
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wxImage bmp = CalculateAlpha(frame1->GetReadPtr(),frame2->GetReadPtr(),frame1->GetRowSize(),frame1->GetHeight(),frame1->GetPitch(),&x,&y,&maxalpha);
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if (!bmp.Ok()) continue;
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lastFrameDrawn = framen;
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// Get the list of rectangles
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std::vector<wxRect> rects;
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GetSubPictureRectangles(bmp,rects);
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// Add each sub-image to file
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int nrects = rects.size();
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int useFrameN;
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for (int i=0;i<nrects;i++) {
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// Pick either full image or subimage, as appropriate
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wxImage curImage;
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if (rects[i].x == 0 && rects[i].y == 0 && rects[i].width == bmp.GetWidth() && rects[i].height == bmp.GetHeight()) curImage = bmp;
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else curImage = SubImageWithAlpha(bmp,rects[i]);
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if (!curImage.Ok()) continue;
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// Optimize image
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OptimizeImage(curImage);
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// Insert the image
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useFrameN = framen;
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InsertFrame(file,useFrameN,frames,curImage,x+rects[i].x,y+rects[i].y,maxalpha);
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}
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framen = useFrameN;
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}
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// Destroy progress bar
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if (!canceled) progress->Destroy();
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else return;
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// Save file
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file.Save((const char*)filename.mb_str(csConvLocal));
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wxString filename2 = filename + _T(".prsa");
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file.SaveText((const char*)filename2.mb_str(csConvLocal));
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// Delete temp file
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wxRemoveFile(tempFile);
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#endif
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}
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/// @brief Insert frame into file
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/// @param file
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/// @param framen
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/// @param frames
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/// @param bmp
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/// @param x
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/// @param y
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/// @param maxalpha
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///
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void PRSSubtitleFormat::InsertFrame(PRSFile &file,int &framen,std::vector<int> &frames,wxImage &bmp,int x,int y,int maxalpha) {
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// Generic data holder
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size_t datasize = 0;
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char *rawData = NULL;
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std::vector<char> data;
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//bmp.SaveFile(wxString::Format(_T("test_%i.png"),id),wxBITMAP_TYPE_PNG);
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// pngout/optipng optimize
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if (optimizer) {
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// Get temporary filename
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wxString tempFile = wxFileName::CreateTempFileName(_T("aegiprs"));
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wxString tempOut = tempFile + _T("out.png");
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// Prepare arrays to capture output
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wxArrayString output;
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wxArrayString errors;
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// Generate the temporary PNG and run the optimizer program on it
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if (optimizer == 1) {
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bmp.SaveFile(tempOut,wxBITMAP_TYPE_PNG);
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wxExecute(AegisubApp::folderName + _T("optipng.exe -zc9 -zm8 -zs0-3 -f0 ") + tempOut,output,errors);
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}
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if (optimizer == 2) {
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bmp.SaveFile(tempFile,wxBITMAP_TYPE_PNG);
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wxExecute(AegisubApp::folderName + _T("pngout.exe ") + tempFile + _T(" ") + tempOut + _T(" /f0 /y /q"),output,errors);
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}
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// Read file back
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FILE *fp = fopen(tempOut.mb_str(csConvLocal),"rb");
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fseek(fp,0,SEEK_END);
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datasize = ftell(fp);
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data.resize(datasize);
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rawData = &data[0];
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rewind(fp);
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fread(rawData,1,datasize,fp);
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fclose(fp);
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// Destroy temporary files
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wxRemoveFile(tempFile);
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wxRemoveFile(tempOut);
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}
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// No optimization (much faster)
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else {
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// Convert wxImage to PNG directly
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wxMemoryOutputStream stream;
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bmp.SaveFile(stream,wxBITMAP_TYPE_PNG);
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datasize = stream.GetSize();
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data.resize(datasize);
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rawData = &data[0];
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stream.CopyTo(rawData,datasize);
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}
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// Find start and end times
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int startf = framen;
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int totalFrames = frames.size();
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while (++framen<totalFrames && frames[framen] == 1);
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framen--; // need -1, otherwise all sub-images are extended by one frame
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int endf = framen;
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int start = VFR_Output.GetTimeAtFrame(startf,true);
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int end = VFR_Output.GetTimeAtFrame(endf,false);
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// Create PRSImage
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PRSImage *img = new PRSImage;
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img->id = id;
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img->imageType = PNG_IMG;
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img->w = bmp.GetWidth();
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img->h = bmp.GetHeight();
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img->maxAlpha = maxalpha;
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img->dataLen = datasize;
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img->data = new char[img->dataLen];
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memcpy(img->data,rawData,img->dataLen);
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// Hash the PRSImage data
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md5_state_t state;
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md5_init(&state);
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md5_append(&state,(md5_byte_t*)img->data,img->dataLen);
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md5_finish(&state,(md5_byte_t*)img->md5);
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// Check for duplicates
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PRSImage *dupe = file.FindDuplicateImage(img);
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int useID = id;
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// Dupe found, use that instead
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if (dupe) {
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useID = dupe->id;
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delete img;
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img = NULL;
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}
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// Frame is all OK, add it to file
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else {
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file.AddEntry(img);
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id++;
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}
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// Set blend data
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unsigned char alpha = 255;
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unsigned char blend = 0;
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// Check if it's just an extension of last display
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if (lastDisplay && lastDisplay->id == (unsigned)useID && (signed)lastDisplay->endFrame == startf-1 &&
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lastDisplay->x == x && lastDisplay->y == y && lastDisplay->alpha == alpha && lastDisplay->blend == blend)
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{
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lastDisplay->end = start;
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lastDisplay->endFrame = startf;
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}
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// It isn't; needs a new display command
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else {
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// Create PRSDisplay
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PRSDisplay *display = new PRSDisplay;
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display->start = start;
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display->end = end;
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display->startFrame = startf;
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display->endFrame = endf;
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display->id = useID;
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display->x = x;
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display->y = y;
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display->alpha = alpha;
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display->blend = blend;
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lastDisplay = display;
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// Insert into list
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|
||||||
file.AddEntry(display);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// @brief Get rectangles of useful glyphs
|
|
||||||
/// @param image
|
|
||||||
/// @param rects
|
|
||||||
///
|
|
||||||
void PRSSubtitleFormat::GetSubPictureRectangles(wxImage &image,std::vector<wxRect> &rects) {
|
|
||||||
// Boundaries
|
|
||||||
int w = image.GetWidth();
|
|
||||||
int h = image.GetHeight();
|
|
||||||
int startx = 0;
|
|
||||||
int starty = 0;
|
|
||||||
int endx = w-1;
|
|
||||||
int endy = h-1;
|
|
||||||
|
|
||||||
// Variables
|
|
||||||
bool hasSubImage = false;
|
|
||||||
bool isBlankRow = true;
|
|
||||||
const unsigned char *data = image.GetAlpha();
|
|
||||||
const unsigned char *src = data;
|
|
||||||
unsigned char a;
|
|
||||||
|
|
||||||
// For each row
|
|
||||||
for (int y=0;y<=h;y++) {
|
|
||||||
if (y < h) {
|
|
||||||
// Reset row data
|
|
||||||
isBlankRow = true;
|
|
||||||
if (!hasSubImage) {
|
|
||||||
startx = w;
|
|
||||||
endx = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Check row
|
|
||||||
for (int x=0;x<w;x++) {
|
|
||||||
a = *src++;
|
|
||||||
if (a) {
|
|
||||||
isBlankRow = false;
|
|
||||||
if (x < startx) startx = x;
|
|
||||||
if (x > endx) endx = x;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Set sub image status
|
|
||||||
if (!isBlankRow && !hasSubImage) {
|
|
||||||
starty = y;
|
|
||||||
hasSubImage = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// If the processed row is totally blank and there is a subimage, separate them
|
|
||||||
if ((isBlankRow && hasSubImage) || y == h) {
|
|
||||||
// Insert rectangle
|
|
||||||
endy = y-1;
|
|
||||||
rects.push_back(wxRect(startx,starty,endx-startx+1,endy-starty+1));
|
|
||||||
hasSubImage = false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// @brief Get frame ranges
|
|
||||||
/// @return
|
|
||||||
///
|
|
||||||
std::vector<int> PRSSubtitleFormat::GetFrameRanges() {
|
|
||||||
// Loop through subtitles in file
|
|
||||||
std::vector<int> frames;
|
|
||||||
for (entryIter cur=Line->begin();cur!=Line->end();cur++) {
|
|
||||||
AssDialogue *diag = AssEntry::GetAsDialogue(*cur);
|
|
||||||
|
|
||||||
// Dialogue found
|
|
||||||
if (diag && !diag->Comment) {
|
|
||||||
// Parse tags
|
|
||||||
diag->ParseASSTags();
|
|
||||||
|
|
||||||
// Check if there is any animation tag, to flag the line as animated, forcing storage of every frame
|
|
||||||
// THIS NEEDS OPTIMIZATION!
|
|
||||||
// Currently it will redraw whole line, even if only some time of it is animated.
|
|
||||||
// This is later hopefully removed by duplicate checker, but it would be faster if done here
|
|
||||||
bool hasAnimation = false;
|
|
||||||
int blocks = diag->Blocks.size();
|
|
||||||
AssDialogueBlockOverride *block;
|
|
||||||
for (int i=0;i<blocks;i++) {
|
|
||||||
block = AssDialogueBlock::GetAsOverride(diag->Blocks[i]);
|
|
||||||
if (block) {
|
|
||||||
// Found an override block, see if it contains any animation tags
|
|
||||||
int tags = block->Tags.size();
|
|
||||||
for (int j=0;j<tags;j++) {
|
|
||||||
wxString tagName = block->Tags[j]->Name;
|
|
||||||
if (tagName == _T("\\t") || tagName == _T("\\move") || tagName == _T("\\k") || tagName == _T("\\K") ||
|
|
||||||
tagName == _T("\\kf") || tagName == _T("\\ko") || tagName == _T("\\fad") || tagName == _T("\\fade")) {
|
|
||||||
hasAnimation = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Calculate start and end times
|
|
||||||
size_t start = VFR_Output.GetFrameAtTime(diag->Start.GetMS(),true);
|
|
||||||
size_t end = VFR_Output.GetFrameAtTime(diag->End.GetMS(),false);
|
|
||||||
|
|
||||||
// Ensure that the vector is long enough
|
|
||||||
// Yes, +1, this is an optimization for something below
|
|
||||||
if (frames.size() <= end+1) frames.resize(end+2);
|
|
||||||
|
|
||||||
// Fill data
|
|
||||||
// 2 = Store this frame
|
|
||||||
// 1 = Repeat last frame
|
|
||||||
// 0 = Don't store this frame
|
|
||||||
bool lastOn = false;
|
|
||||||
for (size_t i=start;i<=end;i++) {
|
|
||||||
// Put a keyframe at the very start, or everywhere if it's animated
|
|
||||||
if (i == start || hasAnimation) frames[i] = 2;
|
|
||||||
|
|
||||||
else {
|
|
||||||
// Already set to 1 or 2, meaning that another subtitle is here already
|
|
||||||
if (frames[i] != 0) lastOn = true;
|
|
||||||
|
|
||||||
// Set to 0, so nothing is here
|
|
||||||
else {
|
|
||||||
// Just came out of a subtitle end, put a keyframe here
|
|
||||||
if (lastOn) {
|
|
||||||
frames[i] = 2;
|
|
||||||
lastOn = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Otherwise, just repeat
|
|
||||||
frames[i] = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Ends right before another "1" block, so make this a "2"
|
|
||||||
if (i == end && frames[i+1] == 1) frames[i] = 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Clean up
|
|
||||||
diag->ClearBlocks();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Done
|
|
||||||
return frames;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// DOCME
|
|
||||||
#define IN_ERROR_MARGIN(col1,col2,error) ((col1 > col2 ? ((int)(col1-col2)) : ((int)(col2-col1))) <= (error))
|
|
||||||
|
|
||||||
|
|
||||||
/// @brief e.g. if you have a pixel with 25% opacity, then a difference of as much as 3 in the color channels won't have a visual impact This "flood fills" the image based on alpha, to make it easier to compress, without affecting visual quality Now, since I don't expect anyone to be able to decypher this...
|
|
||||||
/// @param image
|
|
||||||
///
|
|
||||||
void PRSSubtitleFormat::OptimizeImage(wxImage &image) {
|
|
||||||
// Get the raw data
|
|
||||||
unsigned char *data = (unsigned char*) image.GetData();
|
|
||||||
unsigned char *alpha = (unsigned char*) image.GetAlpha();
|
|
||||||
int w = image.GetWidth();
|
|
||||||
int h = image.GetHeight();
|
|
||||||
int len = w*h;
|
|
||||||
|
|
||||||
// Create mask for status and fill with zeroes
|
|
||||||
char *status = new char[len];
|
|
||||||
for (int i=0;i<len;i++) status[i] = 0;
|
|
||||||
|
|
||||||
// Find highest alpha
|
|
||||||
unsigned char highAlpha = 0;
|
|
||||||
for (int i=0;i<len;i++) {
|
|
||||||
if (status[i] != 2 && alpha[i] > highAlpha) highAlpha = alpha[i];
|
|
||||||
}
|
|
||||||
|
|
||||||
// Fill mask of "correct" pixels with 2 on highAlpha pixels
|
|
||||||
for (int i=0;i<len;i++) {
|
|
||||||
if (alpha[i] == highAlpha) status[i] = 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Alpha finding loop
|
|
||||||
bool outerLoop = true;
|
|
||||||
while (outerLoop) {
|
|
||||||
// Loop through
|
|
||||||
int totalModified = 0;
|
|
||||||
bool doRepeat = true;
|
|
||||||
while (doRepeat) {
|
|
||||||
int modified = 0;
|
|
||||||
unsigned char *cur = data;
|
|
||||||
unsigned char c1,c2,c3;
|
|
||||||
unsigned char d1,d2,d3;
|
|
||||||
int error;
|
|
||||||
for (int i=0;i<len;i++) {
|
|
||||||
// Get colors
|
|
||||||
c1 = *(cur++);
|
|
||||||
c2 = *(cur++);
|
|
||||||
c3 = *(cur++);
|
|
||||||
|
|
||||||
// Check status
|
|
||||||
if (status[i] != 0) continue;
|
|
||||||
|
|
||||||
// Get error
|
|
||||||
int a = alpha[i];
|
|
||||||
if (a == 0) error = 255;
|
|
||||||
else error = 1024/a;
|
|
||||||
|
|
||||||
// Right pixel
|
|
||||||
if (i != len-1 && status[i+1] == 2) {
|
|
||||||
// Get colors
|
|
||||||
d1 = *(cur);
|
|
||||||
d2 = *(cur+1);
|
|
||||||
d3 = *(cur+2);
|
|
||||||
|
|
||||||
// Compare error
|
|
||||||
if (IN_ERROR_MARGIN(d1,c1,error) && IN_ERROR_MARGIN(d2,c2,error) && IN_ERROR_MARGIN(d3,c3,error)) {
|
|
||||||
*(cur-3) = d1;
|
|
||||||
*(cur-2) = d2;
|
|
||||||
*(cur-1) = d3;
|
|
||||||
status[i] = 2;
|
|
||||||
modified++;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Left pixel
|
|
||||||
if (i != 0 && status[i-1] == 2) {
|
|
||||||
// Get colors
|
|
||||||
d1 = *(cur-6);
|
|
||||||
d2 = *(cur-5);
|
|
||||||
d3 = *(cur-4);
|
|
||||||
|
|
||||||
// Compare error
|
|
||||||
if (IN_ERROR_MARGIN(d1,c1,error) && IN_ERROR_MARGIN(d2,c2,error) && IN_ERROR_MARGIN(d3,c3,error)) {
|
|
||||||
*(cur-3) = d1;
|
|
||||||
*(cur-2) = d2;
|
|
||||||
*(cur-1) = d3;
|
|
||||||
status[i] = 2;
|
|
||||||
modified++;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Top pixel
|
|
||||||
if (i >= w && status[i-w] == 2) {
|
|
||||||
// Get colors
|
|
||||||
d1 = *(cur-w*3-3);
|
|
||||||
d2 = *(cur-w*3-2);
|
|
||||||
d3 = *(cur-w*3-1);
|
|
||||||
|
|
||||||
// Compare error
|
|
||||||
if (IN_ERROR_MARGIN(d1,c1,error) && IN_ERROR_MARGIN(d2,c2,error) && IN_ERROR_MARGIN(d3,c3,error)) {
|
|
||||||
*(cur-3) = d1;
|
|
||||||
*(cur-2) = d2;
|
|
||||||
*(cur-1) = d3;
|
|
||||||
status[i] = 2;
|
|
||||||
modified++;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Bottom pixel
|
|
||||||
if (i < len-w && status[i+w] == 2) {
|
|
||||||
// Get colors
|
|
||||||
d1 = *(cur+w*3-3);
|
|
||||||
d2 = *(cur+w*3-2);
|
|
||||||
d3 = *(cur+w*3-1);
|
|
||||||
|
|
||||||
// Compare error
|
|
||||||
if (IN_ERROR_MARGIN(d1,c1,error) && IN_ERROR_MARGIN(d2,c2,error) && IN_ERROR_MARGIN(d3,c3,error)) {
|
|
||||||
*(cur-3) = d1;
|
|
||||||
*(cur-2) = d2;
|
|
||||||
*(cur-1) = d3;
|
|
||||||
status[i] = 2;
|
|
||||||
modified++;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// End repetion
|
|
||||||
totalModified += modified;
|
|
||||||
if (!modified) doRepeat = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// End outer loop
|
|
||||||
if (!totalModified) outerLoop = false;
|
|
||||||
|
|
||||||
// Copy values 1 to 2
|
|
||||||
int changes = 0;
|
|
||||||
for (int i=0;i<len;i++) {
|
|
||||||
if (status[i] == 1) {
|
|
||||||
status[i] = 2;
|
|
||||||
changes++;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (!changes) outerLoop = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Just for tests, fill alpha with 0xFF
|
|
||||||
//for (int i=0;i<len;i++) alpha[i] = 0xFF;
|
|
||||||
|
|
||||||
// Delete mask
|
|
||||||
delete [] status;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
||||||
// TODO!! MOVE THE TWO FUNCTIONS BELOW INTO A CLASS OF THEIR OWN, THEY MIGHT FIND USE ELSEWHERE. //
|
|
||||||
// Obvious choice would be the subtitles_rasterizer.h derivation for vsfilter, when that exists. //
|
|
||||||
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// @brief Frame 2 should have the same image on a WHITE background Frame 1 should have the image on a BLACK background ------------------------------------------ Generates a 32-bit wxImage from two frames
|
|
||||||
/// @param frame1
|
|
||||||
/// @param frame2
|
|
||||||
/// @param w
|
|
||||||
/// @param h
|
|
||||||
/// @param pitch
|
|
||||||
/// @param dstx
|
|
||||||
/// @param dsty
|
|
||||||
/// @param maxalpha
|
|
||||||
/// @return
|
|
||||||
///
|
|
||||||
wxImage PRSSubtitleFormat::CalculateAlpha(const unsigned char* frame1, const unsigned char* frame2, int w, int h, int pitch, int *dstx, int *dsty, int *maxalpha) {
|
|
||||||
// Allocate image data
|
|
||||||
unsigned char *data = (unsigned char*) malloc(sizeof(unsigned char)*w*h*3);
|
|
||||||
unsigned char *alpha = (unsigned char*) malloc(sizeof(unsigned char)*w*h);
|
|
||||||
|
|
||||||
// Pointers
|
|
||||||
const unsigned char *src1 = frame1;
|
|
||||||
const unsigned char *src2 = frame2;
|
|
||||||
unsigned char *dst = data + ((h-1)*w*3/4);
|
|
||||||
unsigned char *dsta = alpha + ((h-1)*w/4);
|
|
||||||
|
|
||||||
// Boundaries
|
|
||||||
int minx = w;
|
|
||||||
int miny = h;
|
|
||||||
int maxx = 0;
|
|
||||||
int maxy = 0;
|
|
||||||
|
|
||||||
// Process
|
|
||||||
int maxA = 0;
|
|
||||||
unsigned char r1,g1,b1,r2,g2,b2;
|
|
||||||
unsigned char r,g,b,a;
|
|
||||||
for (int y=h;--y>=0;) {
|
|
||||||
for (int x=0;x<w;x+=4) {
|
|
||||||
// Read pixels
|
|
||||||
b1 = *(src1++);
|
|
||||||
b2 = *(src2++);
|
|
||||||
g1 = *(src1++);
|
|
||||||
g2 = *(src2++);
|
|
||||||
r1 = *(src1++);
|
|
||||||
r2 = *(src2++);
|
|
||||||
src1++;
|
|
||||||
src2++;
|
|
||||||
|
|
||||||
// Calculate new values
|
|
||||||
a = 255 + r1 - r2;
|
|
||||||
if (a == 0) {
|
|
||||||
r = 0;
|
|
||||||
g = 0;
|
|
||||||
b = 0;
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
// Update range
|
|
||||||
if (x < minx) minx = x;
|
|
||||||
else if (x > maxx) maxx = x;
|
|
||||||
if (y < miny) miny = y;
|
|
||||||
else if (y > maxy) maxy = y;
|
|
||||||
|
|
||||||
// Calculate colour components
|
|
||||||
//int mod = MAX(0,128/a-1);
|
|
||||||
//r = MAX(0,r1-mod)*255 / a;
|
|
||||||
//g = MAX(0,g1-mod)*255 / a;
|
|
||||||
//b = MAX(0,b1-mod)*255 / a;
|
|
||||||
r = r1*255/a;
|
|
||||||
g = g1*255/a;
|
|
||||||
b = b1*255/a;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Write to destination
|
|
||||||
*(dst++) = r;
|
|
||||||
*(dst++) = g;
|
|
||||||
*(dst++) = b;
|
|
||||||
*(dsta++) = a;
|
|
||||||
|
|
||||||
// Store maximum alpha
|
|
||||||
if (a > maxA) maxA = a;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Roll back dst
|
|
||||||
dst -= w*3/2;
|
|
||||||
dsta -= w/2;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Store maximum alpha
|
|
||||||
if (maxalpha) *maxalpha = maxA;
|
|
||||||
|
|
||||||
// Calculate sizes
|
|
||||||
minx /= 4;
|
|
||||||
maxx /= 4;
|
|
||||||
if (dstx) *dstx = minx;
|
|
||||||
if (dsty) *dsty = miny;
|
|
||||||
int width = maxx-minx+1;
|
|
||||||
int height = maxy-miny+1;
|
|
||||||
|
|
||||||
// 100% transparent image; clean up and return an empty one
|
|
||||||
if (width <= 0 || height <= 0) {
|
|
||||||
delete [] data;
|
|
||||||
delete [] alpha;
|
|
||||||
return wxImage();
|
|
||||||
}
|
|
||||||
|
|
||||||
// Create the actual image
|
|
||||||
wxImage img(w/4,h,data,false);
|
|
||||||
img.SetAlpha(alpha,false);
|
|
||||||
|
|
||||||
// Return subimage
|
|
||||||
wxImage subimg = SubImageWithAlpha(img,wxRect(minx,miny,width,height));
|
|
||||||
return subimg;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// @brief Modified from wx's source Creates a sub image preserving alpha channel
|
|
||||||
/// @param source
|
|
||||||
/// @param rect
|
|
||||||
///
|
|
||||||
wxImage PRSSubtitleFormat::SubImageWithAlpha (wxImage &source,const wxRect &rect) {
|
|
||||||
wxImage image;
|
|
||||||
wxCHECK_MSG(source.Ok(), image, wxT("invalid image") );
|
|
||||||
wxCHECK_MSG((rect.GetLeft()>=0) && (rect.GetTop()>=0) && (rect.GetRight()<=source.GetWidth()) && (rect.GetBottom()<=source.GetHeight()), image, wxT("invalid subimage size") );
|
|
||||||
|
|
||||||
int subwidth=rect.GetWidth();
|
|
||||||
const int subheight=rect.GetHeight();
|
|
||||||
|
|
||||||
image.Create(subwidth, subheight, false);
|
|
||||||
|
|
||||||
image.SetAlpha();
|
|
||||||
unsigned char *subdata = image.GetData();
|
|
||||||
unsigned char *data = source.GetData();
|
|
||||||
unsigned char *subalpha = image.GetAlpha();
|
|
||||||
unsigned char *alpha = source.GetAlpha();
|
|
||||||
|
|
||||||
wxCHECK_MSG(subdata, image, wxT("unable to create image"));
|
|
||||||
|
|
||||||
const int subleft=3*rect.GetLeft();
|
|
||||||
const int width=3*source.GetWidth();
|
|
||||||
const int afullwidth=source.GetWidth();
|
|
||||||
int awidth = subwidth;
|
|
||||||
subwidth*=3;
|
|
||||||
|
|
||||||
data+=rect.GetTop()*width+subleft;
|
|
||||||
alpha+=rect.GetTop()*afullwidth+rect.GetLeft();
|
|
||||||
|
|
||||||
for (long j = 0; j < subheight; ++j) {
|
|
||||||
memcpy(subdata, data, subwidth);
|
|
||||||
memcpy(subalpha, alpha, awidth);
|
|
||||||
subdata+=subwidth;
|
|
||||||
subalpha+=awidth;
|
|
||||||
data+=width;
|
|
||||||
alpha+=afullwidth;
|
|
||||||
}
|
|
||||||
|
|
||||||
return image;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,93 +0,0 @@
|
||||||
// Copyright (c) 2006, 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 subtitle_format_prs.h
|
|
||||||
/// @see subtitle_format_prs.cpp
|
|
||||||
/// @ingroup subtitle_io
|
|
||||||
///
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
///////////
|
|
||||||
// Headers
|
|
||||||
#if USE_PRS == 1
|
|
||||||
|
|
||||||
#ifndef AGI_PRE
|
|
||||||
#include <vector>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include "subtitle_format.h"
|
|
||||||
|
|
||||||
|
|
||||||
//////////////
|
|
||||||
// Prototypes
|
|
||||||
class PRSImage;
|
|
||||||
class PRSDisplay;
|
|
||||||
class PRSFile;
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/// DOCME
|
|
||||||
/// @class PRSSubtitleFormat
|
|
||||||
/// @brief DOCME
|
|
||||||
///
|
|
||||||
/// DOCME
|
|
||||||
class PRSSubtitleFormat : public SubtitleFormat {
|
|
||||||
private:
|
|
||||||
|
|
||||||
/// DOCME
|
|
||||||
PRSDisplay *lastDisplay;
|
|
||||||
|
|
||||||
/// DOCME
|
|
||||||
int id;
|
|
||||||
|
|
||||||
/// DOCME
|
|
||||||
int optimizer;
|
|
||||||
|
|
||||||
void InsertFrame(PRSFile &file,int &framen,std::vector<int> &frames,wxImage &bmp,int x,int y,int maxalpha);
|
|
||||||
wxImage SubImageWithAlpha(wxImage &src,const wxRect &area);
|
|
||||||
wxImage CalculateAlpha(const unsigned char* frame1, const unsigned char* frame2, int w, int h, int pitch, int *x=NULL, int *y=NULL, int *maxalpha=NULL);
|
|
||||||
void GetSubPictureRectangles(wxImage &image,std::vector<wxRect> &rects);
|
|
||||||
std::vector<int> GetFrameRanges();
|
|
||||||
void OptimizeImage(wxImage &image);
|
|
||||||
|
|
||||||
public:
|
|
||||||
wxString GetName();
|
|
||||||
wxArrayString GetWriteWildcards();
|
|
||||||
|
|
||||||
bool CanWriteFile(wxString filename);
|
|
||||||
void WriteFile(wxString filename,wxString encoding);
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue