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Aegisub
mirror of https://github.com/odrling/Aegisub
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Made sup exporter multi-threaded with OpenMP. <3 

Originally committed to SVN as r1803.
This commit is contained in:
Rodrigo Braz Monteiro 2008-01-21 05:46:52 +00:00
parent 849921c7c5
commit 37c6828621
2 changed files with 124 additions and 77 deletions
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190
aegisub/subtitle_format_dvd.cpp
View File

@ -44,6 +44,9 @@
#include "subtitles_provider.h"
#include "ass_dialogue.h"
#include "ass_file.h"
#ifdef _OPENMP
#include <omp.h>
#endif
///////////////
@ -70,115 +73,148 @@ bool DVDSubtitleFormat::CanWriteFile(wxString filename) {
///////////////////////
// Actually write them
void DVDSubtitleFormat::WriteFile(wxString filename,wxString encoding) {
// Get subpicture list
void DVDSubtitleFormat::GetSubPictureList(std::vector<SubPicture> &pics) {
// Create video frame
int w = 720;
int h = 480;
VideoProvider *video = new DummyVideoProvider(10,1,w,h,wxColour(255,0,0),false);
AegiVideoFrame srcFrame;
srcFrame.CopyFrom(video->GetFrame(0));
AegiVideoFrame srcFrame = video->GetFrame(0);
delete video;
// Subtitles
SubtitlesProvider *provider = SubtitlesProviderFactory::GetProvider();
// Prepare subtitles
CreateCopy();
SortLines();
//Merge(true,true,true);
provider->LoadSubtitles(GetAssFile());
// Write lines
// Count and index lines
using std::list;
int i = 0;
int count = 0;
std::vector<AssDialogue*> diags;
for (list<AssEntry*>::iterator cur=Line->begin();cur!=Line->end();cur++) {
AssDialogue *current = AssEntry::GetAsDialogue(*cur);
if (current) {
// Get the image
AegiVideoFrame dst;
dst.CopyFrom(srcFrame);
diags.push_back(current);
count++;
}
}
pics.resize(count);
SubtitlesProvider *provider = NULL;
provider = SubtitlesProviderFactory::GetProvider();
provider->LoadSubtitles(GetAssFile());
// Write lines
int i;
#pragma omp parallel for shared(diags,pics,provider) private(i)
for (i=0;i<count;i++) {
// Dialogue
AssDialogue *current = diags[i];
// Get the image
AegiVideoFrame dst;
dst.CopyFrom(srcFrame);
#pragma omp critical
{
provider->DrawSubtitles(dst,current->Start.GetMS()/1000.0);
wxImage img = dst.GetImage();
dst.Clear();
}
wxImage img = dst.GetImage();
dst.Clear();
// Perform colour reduction on image
unsigned char r,g,b;
unsigned char *data = img.GetData();
const unsigned char *dataRead = data;
unsigned char *dataWrite = data;
int startY = 0;
int endY;
int startX = w;
int endX = 0;
// Perform colour reduction on image
unsigned char r,g,b;
unsigned char *data = img.GetData();
const unsigned char *dataRead = data;
unsigned char *dataWrite = data;
int startY = 0;
int endY = 0;
int startX = w;
int endX = 0;
// For each line
for (int y=h;--y>=0;) {
bool hasData = false;
int lineStartX = 0;
int lineEndX;
// For each line
for (int y=h;--y>=0;) {
bool hasData = false;
int lineStartX = 0;
int lineEndX;
// Scan line
for (int x=w;--x>=0;) {
// Read
r = *(dataRead++);
g = *(dataRead++);
b = *(dataRead++);
// Scan line
for (int x=w;--x>=0;) {
// Read
r = *(dataRead++);
g = *(dataRead++);
b = *(dataRead++);
// Background
if (r > 127 && g < 20) {
// Background
if (r > 127 && g < 20) {
r = 255;
g = 0;
b = 0;
}
// Text
else {
// Mark coordinates
hasData = true;
if (lineStartX == 0) lineStartX = w-x-1;
lineEndX = w-x-1;
// Set colour
if (r > 170 && g > 170) {
r = 255;
g = 255;
b = 255;
}
else if (r > 85 && g > 85) {
r = 127;
g = 127;
b = 127;
}
else {
r = 0;
g = 0;
b = 0;
}
// Text
else {
// Mark coordinates
hasData = true;
if (lineStartX == 0) lineStartX = w-x-1;
lineEndX = w-x-1;
// Set colour
if (r > 170 && g > 170) {
r = 255;
g = 255;
b = 255;
}
else if (r > 85 && g > 85) {
r = 127;
g = 127;
b = 127;
}
else {
r = 0;
g = 0;
b = 0;
}
}
// Write
*(dataWrite++) = r;
*(dataWrite++) = g;
*(dataWrite++) = b;
}
// Mark as last found so far
if (hasData) {
if (startY == 0) startY = h-y-1;
endY = h-y-1;
if (lineStartX < startX) startX = lineStartX;
if (lineEndX > endX) endX = lineEndX;
}
// Write
*(dataWrite++) = r;
*(dataWrite++) = g;
*(dataWrite++) = b;
}
// Save image
img.GetSubImage(wxRect(startX,startY,endX-startX+1,endY-startY+1)).SaveFile(filename + wxString::Format(_T("%03i.png"),i));
i++;
// Mark as last found so far
if (hasData) {
if (startY == 0) startY = h-y-1;
endY = h-y-1;
if (lineStartX < startX) startX = lineStartX;
if (lineEndX > endX) endX = lineEndX;
}
}
// Get subpicture
wxImage subPic = img.GetSubImage(wxRect(startX,startY,endX-startX+1,endY-startY+1));
// Save image
if (startX > endX) endX = startX;
if (startY > endY) endY = startY;
pics[i].img = subPic;
pics[i].x = startX;
pics[i].y = startY;
}
// Clean up
delete provider;
srcFrame.Clear();
}
///////////////////////
// Actually write them
void DVDSubtitleFormat::WriteFile(wxString filename,wxString encoding) {
// Get subpictures
std::vector<SubPicture> pics;
GetSubPictureList(pics);
// Dump as PNG
//for (size_t i=0;i<pics.size();i++) pics[i].img.SaveFile(filename + wxString::Format(_T("_%03i.png"),i));
}

11
aegisub/subtitle_format_dvd.h
View File

@ -42,9 +42,20 @@
#include "subtitle_format.h"
////////////////
// Helper class
struct SubPicture {
wxImage img;
int x,y;
};
//////////////////////////
// DVD subpictures writer
class DVDSubtitleFormat : public SubtitleFormat {
private:
void GetSubPictureList(std::vector<SubPicture> &pics);
public:
wxString GetName();
wxArrayString GetWriteWildcards();