- Reestructuración de ficheros y directorios general
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
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Santi Noreña
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c9adfd020b
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e85d191b46
3100 changed files with 775434 additions and 3073 deletions
246
Gem/plugins/filmQT4L/filmQT4L.cpp
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246
Gem/plugins/filmQT4L/filmQT4L.cpp
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////////////////////////////////////////////////////////
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//
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// GEM - Graphics Environment for Multimedia
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//
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// zmoelnig@iem.kug.ac.at
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//
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// Implementation file
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//
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// Copyright (c) 1997-1999 Mark Danks.
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// Copyright (c) Günther Geiger.
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// Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
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// For information on usage and redistribution, and for a DISCLAIMER OF ALL
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// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
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//
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/////////////////////////////////////////////////////////
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_LIBQUICKTIME
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#include "filmQT4L.h"
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#include "plugins/PluginFactory.h"
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#include "Gem/Properties.h"
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#include "Gem/RTE.h"
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using namespace gem::plugins;
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#include <colormodels.h>
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REGISTER_FILMFACTORY("quicktime4linux", filmQT4L);
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/////////////////////////////////////////////////////////
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//
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// filmQT4L
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//
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/////////////////////////////////////////////////////////
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// Constructor
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//
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/////////////////////////////////////////////////////////
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filmQT4L :: filmQT4L(void) :
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m_wantedFormat(GL_RGBA),
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m_fps(-1.0),
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m_numFrames(-1), m_numTracks(-1),
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m_curFrame(-1), m_curTrack(0),
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m_newfilm(false),
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m_quickfile(NULL),
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m_qtformat(0),
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m_lastFrame(0)
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{
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}
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/////////////////////////////////////////////////////////
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// Destructor
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//
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/////////////////////////////////////////////////////////
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filmQT4L :: ~filmQT4L()
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{
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close();
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}
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void filmQT4L :: close(void)
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{
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if(m_quickfile)quicktime_close(m_quickfile);
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m_quickfile=0;
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}
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/////////////////////////////////////////////////////////
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// really open the file ! (OS dependent)
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//
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/////////////////////////////////////////////////////////
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bool filmQT4L :: open(const std::string filename, const gem::Properties&wantProps)
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{
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int wantedFormat=GL_RGBA;
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double d;
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unsigned int format=0;
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if(wantProps.get("format", d)) {
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format=d;
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}
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switch(format){
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default:
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break;
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case GL_RGBA:
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case GL_YCBCR_422_GEM:
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case GL_LUMINANCE:
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m_wantedFormat=format;
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break;
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}
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char*cfilename=const_cast<char*>(filename.c_str());
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if (quicktime_check_sig(cfilename)){ /* ok, this is quicktime */
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if (!(m_quickfile = quicktime_open(filename.c_str(), 1, 0))){
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// post("filmQT4L: Unable to open file: %s", filename.c_str());
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return false;
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}
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m_curFrame = -1;
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// Get the number of tracks
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m_numTracks = quicktime_video_tracks(m_quickfile);
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// Get the length of the movie (on track current track)
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m_numFrames = quicktime_video_length(m_quickfile, m_curTrack) - 1;
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// Get the frame-rate
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m_fps = quicktime_frame_rate(m_quickfile, m_curTrack);
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// Get the video dimensions
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m_image.image.xsize = quicktime_video_width (m_quickfile, m_curTrack);
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m_image.image.ysize = quicktime_video_height(m_quickfile, m_curTrack);
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if (!quicktime_supported_video(m_quickfile, m_curTrack)){
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// char *codec = quicktime_video_compressor(m_quickfile, m_curTrack);
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// post("filmQT4L: unsupported CODEC '%s'!", codec);
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quicktime_close(m_quickfile);
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m_quickfile=0;
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return false;
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}
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m_image.image.setCsizeByFormat(wantedFormat);
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m_image.image.reallocate();
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m_qtimage.xsize=m_image.image.xsize;
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m_qtimage.ysize=m_image.image.ysize;
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#ifdef __APPLE__
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m_qtimage.setCsizeByFormat(GL_BGR);
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#else
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m_qtimage.setCsizeByFormat(GL_RGB);
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#endif
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m_qtimage.reallocate();
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m_newfilm = true;
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return true;
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}
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goto unsupported;
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unsupported:
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close();
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return false;
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}
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/////////////////////////////////////////////////////////
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// render
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//
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/////////////////////////////////////////////////////////
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pixBlock* filmQT4L :: getFrame(){
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int i=m_image.image.ysize;
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if (m_lastFrame==m_curFrame &&
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m_image.image.format==m_wantedFormat)
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{
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m_image.newimage=0;
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return &m_image;
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}
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m_image.image.setCsizeByFormat(m_wantedFormat);
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m_image.image.reallocate();
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pixBlock* pimage = 0;
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unsigned char **rows = new unsigned char*[m_image.image.ysize];
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while(i--)rows[i]=m_qtimage.data+m_qtimage.xsize*m_qtimage.csize*(m_qtimage.ysize-i-1);
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m_lastFrame=m_curFrame;
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if (quicktime_decode_video(m_quickfile, rows, m_curTrack)) {
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post("filmQT4L:: couldn't decode video !");
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}else {
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m_image.image.convertFrom(&m_qtimage);
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m_image.newimage=1; m_image.image.upsidedown=false;
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pimage = &m_image;
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if(m_newfilm)m_image.newfilm=1;
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m_newfilm=false;
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}
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delete[] rows;
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return pimage;
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}
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film::errCode filmQT4L :: changeImage(int imgNum, int trackNum){
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if(imgNum>m_numFrames || imgNum<0)return film::FAILURE;
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if (imgNum>0)m_curFrame=imgNum;
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if(trackNum>0)m_curTrack=trackNum;
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int i=-1;
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#ifdef HAVE_QUICKTIME_SEEK_VIDEO
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lqt_seek_video (m_quickfile, m_curTrack, m_curFrame, m_curTrack);
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#else
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if ((i=quicktime_set_video_position(m_quickfile, m_curFrame, m_curTrack))){ }
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#endif
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return film::SUCCESS;
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}
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///////////////////////////////
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// Properties
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bool filmQT4L::enumProperties(gem::Properties&readable,
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gem::Properties&writeable) {
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readable.clear();
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writeable.clear();
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gem::any value;
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value=0.;
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readable.set("fps", value);
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readable.set("frames", value);
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readable.set("tracks", value);
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readable.set("width", value);
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readable.set("height", value);
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writeable.set("colorspace", value);
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return false;
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}
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void filmQT4L::setProperties(gem::Properties&props) {
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double d;
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if(props.get("colorspace", d)) {
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m_wantedFormat=d;
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}
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}
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void filmQT4L::getProperties(gem::Properties&props) {
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std::vector<std::string> keys=props.keys();
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gem::any value;
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double d;
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unsigned int i=0;
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for(i=0; i<keys.size(); i++) {
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std::string key=keys[i];
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props.erase(key);
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if("fps"==key) {
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d=m_fps;
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value=d; props.set(key, value);
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}
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if("frames"==key) {
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d=m_numFrames;
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value=d; props.set(key, value);
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}
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if("tracks"==key) {
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d=m_numTracks;
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value=d; props.set(key, value);
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}
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if("width"==key) {
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d=m_image.image.xsize;
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value=d; props.set(key, value);
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}
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if("height"==key) {
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d=m_image.image.ysize;
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value=d; props.set(key, value);
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}
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}
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}
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#endif // QT4L
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