poppler/Movie.cc

//*********************************************************************************
//                               Movie.cc
//---------------------------------------------------------------------------------
// Hugo Mercier <hmercier31[at]gmail.com> (c) 2008
//
// GNU GENERAL PUBLIC LICENSE - See COPYING.
//*********************************************************************************

#include "Movie.h"

#include <GooList.h>

MovieWindowParameters::MovieWindowParameters() {
  // default values
  type = movieWindowEmbedded;
  width = -1;
  height = -1;
  relativeTo = windowRelativeToDocument;
  XPosition = 0.5;
  YPosition = 0.5;
  hasTitleBar = gTrue;
  hasCloseButton = gTrue;
  isResizeable = gTrue;
}

MovieWindowParameters::~MovieWindowParameters() {
}

void MovieWindowParameters::parseFWParams(Object* obj) {
  Object tmp;

  if (obj->dictLookup("D", &tmp)->isArray()) {
    Array * dim = tmp.getArray();
    
    if (dim->getLength() >= 2) {
      Object dd;
      if (dim->get(0, &dd)->isInt()) {
	width = dd.getInt();
      }
      dd.free();
      if (dim->get(1, &dd)->isInt()) {
	height = dd.getInt();
      }
      dd.free();
    }
  }
  tmp.free();

  if (obj->dictLookup("RT", &tmp)->isInt()) {
    int t = tmp.getInt();
    switch(t) {
    case 0: relativeTo = windowRelativeToDocument; break;
    case 1: relativeTo = windowRelativeToApplication; break;
    case 2: relativeTo = windowRelativeToDesktop; break;
    }
  }
  tmp.free();

  if (obj->dictLookup("P",&tmp)->isInt()) {
    int t = tmp.getInt();

    switch(t) {
    case 0: // Upper left
      XPosition = 0.0;
      YPosition = 0.0;
      break;
    case 1: // Upper Center
      XPosition = 0.5;
      YPosition = 0.0;
      break;
    case 2: // Upper Right
      XPosition = 1.0;
      YPosition = 0.0;
      break;
    case 3: // Center Left
      XPosition = 0.0;
      YPosition = 0.5;
      break;
    case 4: // Center
      XPosition = 0.5;
      YPosition = 0.5;
      break;
    case 5: // Center Right
      XPosition = 1.0;
      YPosition = 0.5;
      break;
    case 6: // Lower Left
      XPosition = 0.0;
      YPosition = 1.0;
      break;
    case 7: // Lower Center
      XPosition = 0.5;
      YPosition = 1.0;
      break;
    case 8: // Lower Right
      XPosition = 1.0;
      YPosition = 1.0;
      break;
    }
  }
  tmp.free();

  if (obj->dictLookup("T", &tmp)->isBool()) {
    hasTitleBar = tmp.getBool();
  }
  tmp.free();
  if (obj->dictLookup("UC", &tmp)->isBool()) {
    hasCloseButton = tmp.getBool();
  }
  tmp.free();
  if (obj->dictLookup("R", &tmp)->isInt()) {
    isResizeable = (tmp.getInt() != 0);
  }
  tmp.free();

}

MovieParameters::MovieParameters() {
  // instanciate to default values

  rotationAngle = 0;
  rate = 1.0;
  volume = 100;
  fittingPolicy = fittingUndefined;
  autoPlay = gTrue;
  repeatCount = 1.0;
  opacity = 1.0;
  showControls = gFalse;

  
  start.units = 0;
  duration.units = 0;  
}

MovieParameters::~MovieParameters() {
}

void MovieParameters::parseAnnotMovie(AnnotMovie* annot) {
  windowParams.relativeTo = MovieWindowParameters::windowRelativeToDesktop;

  if (annot->needFloatingWindow()) {
    windowParams.type = MovieWindowParameters::movieWindowFloating;
  }
  if (annot->needFullscreen()) {
    windowParams.type = MovieWindowParameters::movieWindowFullscreen;
  }

  int w, h;
  int znum, zdenum;
  annot->getMovieSize(w, h);
  annot->getZoomFactor(znum, zdenum);
  windowParams.width = int(w * double(znum) / zdenum);
  windowParams.height = int(h * double(znum) / zdenum);

  double x,y;
  annot->getWindowPosition(x,y);
  windowParams.XPosition = x;
  windowParams.YPosition = y;

  rate = annot->getRate();
  // convert volume to [0 100]
  volume = int((annot->getVolume() + 1.0) * 50);

  AnnotMovie::RepeatMode mode = annot->getRepeatMode();
  if (mode == AnnotMovie::repeatModeRepeat)
    repeatCount = 0.0;

  showControls = annot->getShowControls();

  AnnotMovie::Time tStart = annot->getStart();
  AnnotMovie::Time tDuration = annot->getDuration();

  start.units = tStart.units;
  start.units_per_second = tStart.units_per_second;

  duration.units = tDuration.units;
  duration.units_per_second = tDuration.units_per_second;
}

void MovieParameters::parseMediaPlayParameters(Object* obj) {
  
  Object tmp;

  if (obj->dictLookup("V", &tmp)->isInt()) {
    volume = tmp.getInt();
  }
  tmp.free();

  if (obj->dictLookup("C", &tmp)->isBool()) {
    showControls = tmp.getBool();
  }
  tmp.free();

  if (obj->dictLookup("F", &tmp)->isInt()) {
    int t = tmp.getInt();
    
    switch(t) {
    case 0: fittingPolicy = fittingMeet; break;
    case 1: fittingPolicy = fittingSlice; break;
    case 2: fittingPolicy = fittingFill; break;
    case 3: fittingPolicy = fittingScroll; break;
    case 4: fittingPolicy = fittingHidden; break;
    case 5: fittingPolicy = fittingUndefined; break;
    }
  }
  tmp.free();

  // duration parsing
  // duration's default value is set to 0, which means : intrinsinc media duration
  if (obj->dictLookup("D", &tmp)->isDict()) {
    Object oname, ddict, tmp2;
    if (tmp.dictLookup("S", &oname)->isName()) {
      char* name = oname.getName();
      if (!strcmp(name, "F"))
	duration.units = -1; // infinity
      else if (!strcmp(name, "T")) {
	if (tmp.dictLookup("T", &ddict)->isDict()) {
	  if (ddict.dictLookup("V", &tmp2)->isNum()) {
	    duration.units = Gulong(tmp2.getNum());
	  }
	  tmp2.free();
	}
	ddict.free();
      }
    }
    oname.free();
  }
  tmp.free();


  if (obj->dictLookup("A", &tmp)->isBool()) {
    autoPlay = tmp.getBool();
  }
  tmp.free();

  if (obj->dictLookup("RC", &tmp)->isNum()) {
    repeatCount = tmp.getNum();
  }
  tmp.free();

}

void MovieParameters::parseMediaScreenParameters(Object* obj) {
  Object tmp;

  if (obj->dictLookup("W", &tmp)->isInt()) {
    int t = tmp.getInt();
    
    switch(t) {
    case 0: windowParams.type = MovieWindowParameters::movieWindowFloating; break;
    case 1: windowParams.type = MovieWindowParameters::movieWindowFullscreen; break;
    case 2: windowParams.type = MovieWindowParameters::movieWindowHidden; break;
    case 3: windowParams.type = MovieWindowParameters::movieWindowEmbedded; break;
    }
  }
  tmp.free();

  // background color
  if (obj->dictLookup("B", &tmp)->isArray()) {
    Array* color = tmp.getArray();

    Object component;
    
    color->get(0, &component);
    bgColor.r = component.getNum();
    component.free();

    color->get(1, &component);
    bgColor.g = component.getNum();
    component.free();

    color->get(2, &component);
    bgColor.b = component.getNum();
    component.free();
  }
  tmp.free();


  // opacity
  if (obj->dictLookup("O", &tmp)->isNum()) {
    opacity = tmp.getNum();
  }
  tmp.free();

  if (windowParams.type == MovieWindowParameters::movieWindowFloating) {
    Object winDict;
    if (obj->dictLookup("F",&winDict)->isDict()) {
      windowParams.parseFWParams(&winDict);
    }
  }
}

Movie::Movie() {
  fileName = NULL;
  contentType = NULL;
  isEmbedded = gFalse;
  embeddedStream = NULL;
  posterStream = NULL;
}

Movie::~Movie() {
  if (fileName)
    delete fileName;
  if (contentType)
    delete contentType;

  if (embeddedStream && (!embeddedStream->decRef())) {
    delete embeddedStream;
  }
  if (posterStream && (!posterStream->decRef())) {
    delete posterStream;
  }
}

void Movie::parseAnnotMovie(AnnotMovie* annot) {
  // AnnotMovie is not embedded
  isEmbedded = gFalse;

  fileName = annot->getFileName()->copy();

  if (annot->getPosterStream()) {
    posterStream = annot->getPosterStream();
    posterStream->incRef();
  }

  MH.parseAnnotMovie(annot);
  // deep copy of MH to BE
  // (no distinction is made with AnnotMovie)
  memcpy(&BE, &MH, sizeof(MH));
}

void Movie::parseMediaRendition(Object* obj) {

  Object tmp, tmp2;
  if (obj->dictLookup("S", &tmp)->isName()) {
    if (!strcmp(tmp.getName(), "MR")) { // it's a media rendition

      //
      // parse Media Play Parameters
      if (obj->dictLookup("P", &tmp2)->isDict()) { // media play parameters
	Object params;
	if (tmp2.dictLookup("MH", &params)->isDict()) {
	  MH.parseMediaPlayParameters(&params);
	}
	params.free();
	if (tmp2.dictLookup("BE", &params)->isDict()) {
	  BE.parseMediaPlayParameters(&params);
	}
	params.free();
      }
      tmp2.free();
      //
      // parse Media Screen Parameters
      if (obj->dictLookup("SP", &tmp2)->isDict()) { // media screen parameters
	Object params;
	if (tmp2.dictLookup("MH", &params)->isDict()) {
	  MH.parseMediaScreenParameters(&params);
	}
	params.free();
	if (tmp2.dictLookup("BE", &params)->isDict()) {
	  BE.parseMediaScreenParameters(&params);
	}
	params.free();
      }
      tmp2.free();

      //
      // Parse media clip data
      //
      if (obj->dictLookup("C", &tmp2)->isDict()) { // media clip
	
	tmp.free();
	if (tmp2.dictLookup("S", &tmp)->isName()) {
	  if (!strcmp(tmp.getName(), "MCD")) { // media clip data
	    Object obj1, obj2;
	    if (tmp2.dictLookup("D", &obj1)->isDict()) {
	      if (obj1.dictLookup("F", &obj2)->isString()) {
		fileName = obj2.getString()->copy();
	      }
	      obj2.free();
	      
	      if (!obj1.dictLookup("EF", &obj2)->isNull()) {
		tmp.free();
		Object mref;
		if (!obj2.dictLookupNF("F", &mref)->isNull()) {
		  isEmbedded = gTrue;
		  Object embedded;
		  obj2.dictLookup("F", &embedded);
		  if (embedded.isStream()) {
		    embeddedStream = embedded.getStream();
		    // "copy" stream
		    embeddedStream->incRef();
		  }
		  embedded.free();
		}
		mref.free();
	      }
	      obj2.free();
	    }
	    obj1.free();
	    
	    if (tmp2.dictLookup("CT", &obj1)->isString()) {
	      contentType = obj1.getString()->copy();
	    }
	    obj1.free();
	  }
	}
	tmp.free();
      }
      tmp2.free();
    }
  }
}


void Movie::outputToFile(FILE* fp) {
  embeddedStream->reset();

  while (1) {
    int c = embeddedStream->getChar();
    if (c == EOF)
      break;
    
    fwrite(&c, 1, 1, fp);
  }
  
}

Movie* Movie::copy() {

  // call default copy constructor
  Movie* new_movie = new Movie(*this);

  new_movie->contentType = contentType->copy();
  new_movie->fileName = fileName->copy();

  new_movie->embeddedStream = embeddedStream;
  new_movie->embeddedStream->incRef();
  
  new_movie->posterStream = posterStream;
  new_movie->posterStream->incRef();

  return new_movie;
}