- 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
215
Gem/plugins/filmAVIPLAY/filmAVIPLAY.cpp
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215
Gem/plugins/filmAVIPLAY/filmAVIPLAY.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_LIBAVIPLAY
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#include "filmAVIPLAY.h"
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#include "plugins/PluginFactory.h"
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#include "Gem/Properties.h"
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using namespace gem::plugins;
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REGISTER_FILMFACTORY("aviplay", filmAVIPLAY);
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#include <unistd.h>
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#include <time.h>
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/////////////////////////////////////////////////////////
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//
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// filmAVIPLAY
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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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filmAVIPLAY :: filmAVIPLAY(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(-1),
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m_readNext(false), m_newfilm(false),
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m_avifile(NULL),
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m_avistream(NULL),
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m_aviimage(NULL),
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m_rawdata(NULL),
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m_rawlength(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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filmAVIPLAY :: ~filmAVIPLAY(void)
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{
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close();
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if(m_rawdata)delete[]m_rawdata;
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}
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void filmAVIPLAY :: close(void)
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{
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if (m_avistream)(*m_avistream).StopStreaming();
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}
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/////////////////////////////////////////////////////////
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// open the file
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//
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/////////////////////////////////////////////////////////
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bool filmAVIPLAY :: open(const std::string filename, const gem::Properties&wantProps)
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{
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double d;
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if(wantProps.get("colorspace", d) && d>0) {
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m_wantedFormat=d;
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}
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// how do we close the avifile ??? automagically ?
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if (!(m_avifile = CreateIAviReadFile(filename.c_str())))goto unsupported;
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while(!(*m_avifile).IsOpened()){
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struct timeval sleep;
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sleep.tv_sec=0;
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sleep.tv_usec=500;/*500us*/
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select(0,0,0,0,&sleep);
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}
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if (!(*m_avifile).IsValid())goto unsupported;
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m_numTracks = (*m_avifile).VideoStreamCount();
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if (m_numTracks<1)return false;
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if (m_curTrack>=m_numTracks)m_curTrack = 0;
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try {
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m_avistream=(*m_avifile).GetStream(m_curTrack, avm::IStream::StreamType(1));
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} catch (const char* string) {
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m_avistream = 0;
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}
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if (!m_avistream)goto unsupported;
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if ((*m_avistream).StartStreaming()==-1)goto unsupported;
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m_numFrames = (*m_avistream).GetLength();
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m_curFrame = -1;
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if (1){
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avm::StreamInfo *l_info = (*m_avistream).GetStreamInfo();
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m_image.image.xsize = (*l_info).GetVideoWidth();
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m_image.image.ysize = (*l_info).GetVideoHeight();
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m_fps= (*l_info).GetFps();
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}
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m_image.image.setCsizeByFormat(m_wantedFormat);
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if (!(m_image.image.xsize*m_image.image.ysize*m_image.image.csize))goto unsupported;
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m_readNext=true;
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m_newfilm = true;
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return true;
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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* filmAVIPLAY :: getFrame(){
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if (!m_avistream)return 0;
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if (!m_readNext)return &m_image;
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if(m_aviimage)(*m_aviimage).Release();
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/* for MPEGs ReadFrame() will return 0 only when errors occur
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* other formats return 0 all the time (and -1 on file end)
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*/
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m_aviimage = (*m_avistream).GetFrame(true); // this might crash sometimes...
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if (m_aviimage){
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int format = (*m_aviimage).Format();
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m_rawdata=(*m_aviimage).Data();
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m_image.image.setCsizeByFormat(m_wantedFormat);
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switch(format){
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case IMG_FMT_RGB24: m_image.image.fromRGB (m_rawdata); break;
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case IMG_FMT_RGB32: m_image.image.fromRGBA(m_rawdata); break;
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case IMG_FMT_BGR24: m_image.image.fromBGR (m_rawdata); break;
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case IMG_FMT_BGR32: m_image.image.fromBGRA(m_rawdata); break;
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case IMG_FMT_Y800 :
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case IMG_FMT_Y8 : m_image.image.fromGray(m_rawdata); break;
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case IMG_FMT_UYVY : m_image.image.fromUYVY(m_rawdata); break;
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case IMG_FMT_YUY2 : m_image.image.fromYUY2(m_rawdata); break;
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case IMG_FMT_YVYU : m_image.image.fromYVYU(m_rawdata); break;
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case IMG_FMT_YV12 : m_image.image.fromYV12(m_rawdata); break;
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case IMG_FMT_BGR16: // it seems like this was RGB16
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default:
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m_image.image.fromRGB16(m_rawdata); break;
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}
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m_image.newimage=1;
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if (m_newfilm)m_image.newfilm=1; m_newfilm=false;
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m_image.image.upsidedown=true;
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m_readNext=false;
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return &m_image;
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}
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return 0;
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}
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film::errCode filmAVIPLAY :: changeImage(int imgNum, int trackNum){
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if (!m_avistream)return film::FAILURE;
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m_avistream->Seek(imgNum);
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m_readNext=true;
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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 filmAVIPLAY::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("width", value);
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readable.set("height", value);
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return false;
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}
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void filmAVIPLAY::setProperties(gem::Properties&props) {
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}
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void filmAVIPLAY::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 && m_numFrames>=0) {
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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 && m_numTracks>=0) {
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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 // AVIPLAY
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