示例#1
0
文件: imageBase.cpp 项目: jptrkz/Gem
void imageBase :: setProperties(gem::Properties&props) {
    // nada
    m_properties=props;
#if 0
    std::vector<std::string> keys=props.keys();
    int i=0;
    for(i=0; i<keys.size(); i++) {
        enum gem::Properties::PropertyType typ=props.type(keys[i]);
        std::cerr  << "key["<<keys[i]<<"]: "<<typ<<" :: ";
        switch(typ) {
        case (gem::Properties::NONE):
            props.erase(keys[i]);
            break;
        case (gem::Properties::DOUBLE):
            std::cerr << gem::any_cast<double>(props.get(keys[i]));
            break;
        case (gem::Properties::STRING):
            std::cerr << "'" << gem::any_cast<std::string>(props.get(keys[i])) << "'";
            break;
        default:
            std::cerr << "<unknown:" << props.get(keys[i]).get_type().name() << ">";
            break;
        }
    }
    std::cerr << std::endl;
#endif
}
示例#2
0
文件: videoVLC.cpp 项目: umlaeute/Gem
void videoVLC::setProperties(gem::Properties&props)
{
  int width=-1;
  int height=-1;

  m_props=props;

  double d;
  if(props.get("width", d)) {
    if(d>0) {
      width = d;
    }
  }
  if(props.get("height", d)) {
    if(d>0) {
      height=d;
    }
  }

  if(!m_mediaplayer) {
    if(width>0) {
      m_pixBlock.image.xsize=width;
    }
    if(height>0) {
      m_pixBlock.image.ysize=height;
    }
  } else {
    // changes will take effect with next restart
  }
}
示例#3
0
 void setParameters(gem::Properties&parms) {
   unsigned int i=0;
   for(i=0; i<m_parameterNames.size(); i++) {
     std::string key=m_parameterNames[i];
     std::string s1, s2;
     double d1, d2;
     switch(m_parameter.type(key)) {
     case gem::Properties::NONE:
       if(gem::Properties::NONE==parms.type(key)) {
         parms.erase(key);
         setParameter(i);
       }
       break;
     case gem::Properties::DOUBLE:
       if(m_parameter.get(key, d1) && parms.get(key, d2)) {
         if(d1!=d2) {
           m_parameter.set(key, d2);
           setParameter(i, d2);
         }
       }
       break;
     case gem::Properties::STRING:
       if(m_parameter.get(key, s1) && parms.get(key, s2)) {
         if(s1!=s2) {
           m_parameter.set(key, s2);
           setParameter(i, s2);
         }
       }
       break;
     default: break;
     }
   }
 }
示例#4
0
void modelASSIMP3 :: setProperties(gem::Properties&props) {
  double d;

#if 0
  std::vector<std::string>keys=props.keys();
  unsigned int i;
  for(i=0; i<keys.size(); i++) {
    post("key[%d]=%s ... %d", i, keys[i].c_str(), props.type(keys[i]));
  }
#endif

  std::string s;
  if(props.get("textype", s)) {
    // if there are NO texcoords, we only accept 'linear' and 'spheremap'
    // else, we also allow 'UV'
    // not-accepted textype, simply use the last one
    if(m_have_texcoords && "UV" == s)
      m_textype = "";
    else
    if(("linear" == s) || ("spheremap" == s))
      m_textype = s;
    m_rebuild = true;
  }

  if(props.get("rescale", d)) {
    bool b=(bool)d;
    if(b) {
      float tmp;
      tmp = m_max.x-m_min.x;
      tmp = aisgl_max(m_max.y - m_min.y,tmp);
      tmp = aisgl_max(m_max.z - m_min.z,tmp);
      m_scale = 2.f / tmp;

      m_offset.x=-m_center.x;
      m_offset.y=-m_center.y;
      m_offset.z=-m_center.z;
    } else {
      // FIXXME shouldn't this be the default???
      m_scale=1.;
      m_offset.x=m_offset.y=m_offset.z=0.f;
    }
  }
  if(props.get("usematerials", d)) {
    bool useMaterial=d;
    if(useMaterial!=m_useMaterial)
      m_rebuild=true;
    m_useMaterial=useMaterial;
  }

  render();
}
示例#5
0
文件: filmQT4L.cpp 项目: umlaeute/Gem
void filmQT4L::setProperties(gem::Properties&props)
{
  double d;
  if(props.get("colorspace", d)) {
    m_wantedFormat=d;
  }
}
示例#6
0
文件: filmQT4L.cpp 项目: umlaeute/Gem
/////////////////////////////////////////////////////////
// really open the file ! (OS dependent)
//
/////////////////////////////////////////////////////////
bool filmQT4L :: open(const std::string&filename,
                      const gem::Properties&wantProps)
{
  int wantedFormat=GEM_RGBA;
  double d;
  unsigned int format=0;
  if(wantProps.get("format", d)) {
    format=d;
  }
  switch(format) {
  default:
    break;
  case GEM_RGBA:
  case GEM_YUV:
  case GEM_GRAY:
    m_wantedFormat=format;
    break;
  }

  char*cfilename=const_cast<char*>(filename.c_str());
  if (quicktime_check_sig(cfilename)) { /* ok, this is quicktime */
    if (!(m_quickfile = quicktime_open(filename.c_str(), 1, 0))) {
      verbose(0, "[GEM:filmQT4L] Unable to open file: %s", filename.c_str());
      return false;
    }
    m_curFrame = -1;

    // Get the number of tracks
    m_numTracks = quicktime_video_tracks(m_quickfile);
    // Get the length of the movie (on track current track)
    m_numFrames = quicktime_video_length(m_quickfile, m_curTrack);
    // Get the frame-rate
    m_fps = quicktime_frame_rate(m_quickfile, m_curTrack);
    // Get the video dimensions
    m_image.image.xsize = quicktime_video_width (m_quickfile, m_curTrack);
    m_image.image.ysize = quicktime_video_height(m_quickfile, m_curTrack);
    if (!quicktime_supported_video(m_quickfile, m_curTrack)) {
      char *codec = quicktime_video_compressor(m_quickfile, m_curTrack);
      verbose(0, "[GEM:filmQT4L] unsupported CODEC '%s'!", codec);
      quicktime_close(m_quickfile);
      m_quickfile=0;
      return false;
    }
    m_image.image.setCsizeByFormat(wantedFormat);
    m_image.image.reallocate();

    m_qtimage.xsize=m_image.image.xsize;
    m_qtimage.ysize=m_image.image.ysize;
    m_qtimage.setCsizeByFormat(GEM_RGB);
    m_qtimage.reallocate();

    m_newfilm = true;
    return true;
  }
  goto unsupported;
unsupported:
  close();
  return false;
}
示例#7
0
文件: videoVFW.cpp 项目: rfabbri/Gem
void videoVFW :: setProperties(gem::Properties&props) {
    double d;
    bool dorestart=false;

    if (props.get("width", d)) {
        m_width=d;
        dorestart=true;
    }

    if (props.get("height", d)) {
        m_height=d;
        dorestart=true;
    }

    if(dorestart && m_hWndC)
        reset();
}
示例#8
0
bool imageMAGICK::save(const imageStruct&image, const std::string&filename, const std::string&mimetype, const gem::Properties&props) {
  imageStruct*img=const_cast<imageStruct*>(&image);
  imageStruct*pImage=img;

  std::string cs;
  switch(img->format) {
  case GL_LUMINANCE:
    cs="K";
    break;
  case GL_RGBA:
    cs="RGBA";
    break;
  default:
    pImage=new imageStruct();
    pImage->convertFrom(img, GL_RGB);
  case GL_RGB:
    cs="RGB";
    break;
  case GL_BGRA_EXT:
    cs="BGRA";
    break;
  }
  try{
    Magick::Image mimage(pImage->xsize, pImage->ysize, cs, Magick::CharPixel, pImage->data);
    // since openGL is upside down
    if(!pImage->upsidedown) {
      mimage.flip();
    }
    // 8 bits per channel are enough!
    // LATER make this dependent on the image->type
    mimage.depth(8);
    double quality;
    if(props.get("quality", quality)) {
      mimage.quality(quality);
    }

    try {
      // finally convert and export
      mimage.write(filename);
    } catch (Magick::Warning e) {
      verbose(1, "magick saving problem: %s", e.what());
    }

  } catch (Magick::Exception e){
    error("%s", e.what());
    if(pImage!=&image)delete pImage; pImage=NULL;
    return false;
  } catch (...) {
      error("imageMAGICK:: uncaught exception!");
      return false;
  }
  if(pImage!=&image)delete pImage; pImage=NULL;
  return true;
}
示例#9
0
文件: videoTEST.cpp 项目: rfabbri/Gem
void videoTEST::setProperties(gem::Properties&props) {
  m_props=props;

  double d;
  if(props.get("width", d)) {
    if(d>0)
      m_pixBlock.image.xsize = d;
  }
  if(props.get("height", d)) {
    if(d>0)
      m_pixBlock.image.ysize = d;
  }
  std::string s;
  if(props.get("type", s)) {
    if("noise"==s)
      m_type=0;
    else if("red"==s)
      m_type=1;
    else if("green"==s)
      m_type=2;
    else if("blue"==s)
      m_type=3;
  }
}
示例#10
0
/////////////////////////////////////////////////////////
// really open the file ! (OS dependent)
//
/////////////////////////////////////////////////////////
bool filmMPEG3 :: open(const std::string filename, const gem::Properties&wantProps)
{
  char*cfilename=const_cast<char*>(filename.c_str());
  if (mpeg3_check_sig(cfilename)){/* ok, this is mpeg(3) */
#ifdef FILMMPEG3_OPEN17
    // new API with more sophisticated error-feedback
    mpeg_file= mpeg3_open(cfilename, 0);
#else
    // old API
    mpeg_file= mpeg3_open(cfilename);
#endif
    if(!mpeg_file) {
      //error("filmMPEG3: this file %s does not seem to hold any video data", filename.c_str());
      goto unsupported;
    }
    if (!mpeg3_has_video(mpeg_file)){
      error("filmMPEG3: this file %s does not seem to hold any video data", filename.c_str());
      goto unsupported;
    }
    m_numTracks = mpeg3_total_vstreams(mpeg_file);
    if(m_curTrack>=m_numTracks || m_curTrack<0)
      m_curTrack=0;
    m_numFrames = mpeg3_video_frames(mpeg_file, m_curTrack);
    m_fps = mpeg3_frame_rate(mpeg_file, m_curTrack);

    m_image.image.xsize=mpeg3_video_width(mpeg_file, m_curTrack);
    m_image.image.ysize=mpeg3_video_height(mpeg_file, m_curTrack);
    if (!m_image.image.xsize*m_image.image.ysize)goto unsupported;
    double d;
    if(wantProps.get("colorspace", d)) {
      m_image.image.setCsizeByFormat((int)d);
      m_wantedFormat=m_image.image.format;
    }
    m_image.image.reallocate();
    changeImage(0,-1);
    m_newfilm=true;
    return true;
  }
  goto unsupported;
 unsupported:
  close();
  return false;

}
示例#11
0
/////////////////////////////////////////////////////////
// open the file
//
/////////////////////////////////////////////////////////
bool filmAVIPLAY :: open(const std::string filename, const gem::Properties&wantProps)
{
    double d;
    if(wantProps.get("colorspace", d) && d>0) {
        m_wantedFormat=d;
    }
    // how do we close the avifile ??? automagically ?
    if (!(m_avifile = CreateIAviReadFile(filename.c_str())))goto unsupported;
    while(!(*m_avifile).IsOpened()) {
        struct timeval sleep;
        sleep.tv_sec=0;
        sleep.tv_usec=500;/*500us*/
        select(0,0,0,0,&sleep);
    }
    if (!(*m_avifile).IsValid())goto unsupported;
    m_numTracks = (*m_avifile).VideoStreamCount();
    if (m_numTracks<1)return false;
    if (m_curTrack>=m_numTracks)m_curTrack = 0;
    try {
        m_avistream=(*m_avifile).GetStream(m_curTrack, avm::IStream::StreamType(1));
    } catch (const char* string) {
        m_avistream = 0;
    }
    if (!m_avistream)goto unsupported;
    if ((*m_avistream).StartStreaming()==-1)goto unsupported;
    m_numFrames = (*m_avistream).GetLength();
    m_curFrame = -1;
    if (1) {
        avm::StreamInfo *l_info = (*m_avistream).GetStreamInfo();
        m_image.image.xsize = (*l_info).GetVideoWidth();
        m_image.image.ysize = (*l_info).GetVideoHeight();
        m_fps= (*l_info).GetFps();
    }
    m_image.image.setCsizeByFormat(m_wantedFormat);
    if (!(m_image.image.xsize*m_image.image.ysize*m_image.image.csize))goto unsupported;
    m_readNext=true;
    m_newfilm = true;
    return true;
    goto unsupported;
unsupported:
    close();
    return false;
}
示例#12
0
  virtual bool open(const std::string&name, const gem::Properties&requestprops) {
    if(m_handle)close();

    std::vector<std::string> backends;
    if(requestprops.type("backends")!=gem::Properties::UNSET) {
      requestprops.get("backends", backends);
    }
    //      requestprops.erase("backends");

    bool tried=false;
    if(!backends.empty()) {
      unsigned int i, j;
      for(j=0; !m_handle && j<backends.size(); j++) {
        std::string id=backends[j];

        for(i=0; i<m_handles.size(); i++) {
	    /* coverity[assign_where_compare_meant] we set 'tried' to true if we have found at least one matching backend */
          if(id==m_ids[i]&& (tried=true) && m_handles[i]->open(name, requestprops)) {
            m_handle=m_handles[i];
          }
        }
      }
    }
    if(!m_handle && !tried) {
      if(!backends.empty() && !m_handles.empty()) {
        verbose(2, "no available loader selected, falling back to valid ones");
      }
      unsigned int i=0;
      for(i=0; i<m_handles.size(); i++) {
        if(m_handles[i] && m_handles[i]->open(name, requestprops)) {
          m_handle=m_handles[i];
          break;
        } else {

        }
      }
    }
    return (NULL!=m_handle);
  }
示例#13
0
void videoDECKLINK::setProperties(gem::Properties&props)
{
  std::vector<std::string>keys=props.keys();
  int i=0;
  for(i=0; i<keys.size(); i++) {
    const std::string key =keys[i];
    if("format" == key) {
      std::string s;
      double d;
      switch(props.type(key)) {
      case gem::Properties::STRING:
        if(props.get(key, s)) {
          m_formatnum =-1;
          m_formatname=s;
        }
        break;
      case gem::Properties::DOUBLE:
        if(props.get(key, d)) {
          m_formatnum =(int)d;
          m_formatname="";
        }
        break;
      }
    }
    if("connection" == key) {
      BMDVideoConnection vconn = m_connectionType;
      std::string s;
      double d;
      switch(props.type(key)) {
      case gem::Properties::STRING:
        if(props.get(key, s)) {
          if      ("SDI"        == s) {
            vconn=bmdVideoConnectionSDI;
          } else if ("HDMI"       == s) {
            vconn=bmdVideoConnectionHDMI;
          } else if ("OpticalSDI" == s) {
            vconn=bmdVideoConnectionOpticalSDI;
          } else if ("Component"  == s) {
            vconn=bmdVideoConnectionComponent;
          } else if ("Composite"  == s) {
            vconn=bmdVideoConnectionComposite;
          } else if ("SVideo"     == s) {
            vconn=bmdVideoConnectionSVideo;
          }
        }
        break;
      case gem::Properties::DOUBLE:
        if(props.get(key, d)) {
          int idx =(int)d;
          switch(idx) {
          default:
          case 0:
            vconn=bmdVideoConnectionSDI;
            break;
          case 1:
            vconn=bmdVideoConnectionHDMI;
            break;
          case 2:
            vconn=bmdVideoConnectionOpticalSDI;
            break;
          case 3:
            vconn=bmdVideoConnectionComponent;
            break;
          case 4:
            vconn=bmdVideoConnectionComposite;
            break;
          case 5:
            vconn=bmdVideoConnectionSVideo;
            break;
          }
        }
        break;
      }
      if(m_dlConfig && (m_connectionType != vconn)) {
        m_dlConfig->SetInt(bmdDeckLinkConfigVideoInputConnection, vconn);
      }
      m_connectionType = vconn;
    }
  }
  m_props=props;
}
示例#14
0
bool imageTIFF::save(const imageStruct&constimage, const std::string&filename, const std::string&mimetype, const gem::Properties&props) {
  TIFF *tif = NULL;

  if(GL_YUV422_GEM==constimage.format) {
    error("don't know how to write YUV-images with libTIFF");
    return false;
  }

  tif=TIFFOpen(filename.c_str(), "w");
  if (tif == NULL) {
    return false;
  }
  imageStruct image; constimage.copy2Image(&image);
  image.fixUpDown();

  uint32 width=image.xsize, height = image.ysize;
  short bits=8, samps=image.csize;
  int npixels = width * height;
  //int planar_conf = PLANARCONFIG_CONTIG;
  std::string software = "PD/GEM";
  std::string artist;
  std::string hostcomputer;

  double xresolution = 72., yresolution=72.;
  short resunit = RESUNIT_INCH;

  props.get("xresolution", xresolution);
  props.get("yresolution", yresolution);
  std::string resunit_s;
  if(props.get("resolutionunit", resunit_s)) {
    if(("inch"==resunit_s) || ("english"==resunit_s) || ("imperial"==resunit_s))
      resunit=RESUNIT_INCH;
    else if(("centimeter"==resunit_s) || ("metric"==resunit_s))
      resunit=RESUNIT_CENTIMETER;
    else
      resunit=RESUNIT_NONE;
  }
  props.get("software", software);
  props.get("artist", artist);
  props.get("hostcomputer", hostcomputer);


  TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
  TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
  TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bits);
  TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, samps);
  TIFFSetField(tif, TIFFTAG_PLANARCONFIG, 1);
  TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);

  TIFFSetField(tif, TIFFTAG_XRESOLUTION, xresolution); // RATIONAL
  TIFFSetField(tif, TIFFTAG_YRESOLUTION, yresolution); // RATIONAL
  TIFFSetField(tif, TIFFTAG_RESOLUTIONUNIT, resunit);

  if(!software.empty())
    TIFFSetField(tif, TIFFTAG_SOFTWARE, software.c_str());
  if(!artist.empty())
    TIFFSetField(tif, TIFFTAG_ARTIST, artist.c_str());
  if(!hostcomputer.empty())
    TIFFSetField(tif, TIFFTAG_HOSTCOMPUTER, hostcomputer.c_str());

  int yStride = image.xsize * image.csize;
  unsigned char *srcLine = &(image.data[npixels * image.csize]);
  srcLine -= yStride;

  for (uint32 row = 0; row < height; row++) {
    unsigned char *buf = srcLine;
    if (TIFFWriteScanline(tif, buf, row, 0) < 0)
      {
        error("GEM: could not write line %d to image %s", row, filename.c_str());
        TIFFClose(tif);
        delete [] buf;
        return(false);
      }
    srcLine -= yStride;
  }
  TIFFClose(tif);

  return true;
}
示例#15
0
文件: videoVLC.cpp 项目: umlaeute/Gem
bool videoVLC::open(gem::Properties&props)
{
  if(m_mediaplayer) {
    close();
  }
  m_pixBlock.image.xsize=0;
  m_pixBlock.image.ysize=0;

  setProperties(props);


  if(m_devname.empty()) {
    return false;
  }

  libvlc_media_t*media = libvlc_media_new_location (m_instance,
                         m_devname.c_str());
  if(!media) {
    media = libvlc_media_new_path (m_instance, m_devname.c_str());
  }

  if(!media) {
    return false;
  }

  char buf[MAXVLCSTRING];

  libvlc_media_add_option(media,":noaudio");
  libvlc_media_add_option(media,":no-video-title-show");


  int w=m_pixBlock.image.xsize;
  int h=m_pixBlock.image.ysize;


  std::vector<std::string>keys=props.keys();
  unsigned int i;
  for(i=0; i<keys.size(); i++) {
    std::string key=keys[i];
    double d;
    std::string s;
    buf[0]=0;
    if(0) {}
    else if("width"==key) {
      if(props.get(key, d)&&(d>0)) {
        w=d;
      }
    } else if("height"==key) {
      if(props.get(key, d)&&(d>0)) {
        h=d;
      }
    } else {
      gem::Properties::PropertyType type = props.type(key);
      switch(type) {
      case gem::Properties::NONE:
        snprintf(buf, MAXVLCSTRING, ":%s", key.c_str());
        break;
      case gem::Properties::DOUBLE:
        if(props.get(key, d)) {
          snprintf(buf, MAXVLCSTRING, ":%s=%g", key.c_str(), d);
        }
        break;
      case gem::Properties::STRING:
        if(props.get(key, s)) {
          /* need to find an option that actually takes strings, so i can test this with spaces */
          snprintf(buf, MAXVLCSTRING, ":%s=%s", key.c_str(), s.c_str());
        }
        break;
      default:
        break;
      }
      if(0!=buf[0]) {
        buf[MAXVLCSTRING-1]=0;
        libvlc_media_add_option(media,buf);
      }
    }

  }
  resize(w,h,0);
  m_pixBlock.image.setWhite();

  m_mediaplayer=libvlc_media_player_new_from_media(media);
  libvlc_media_release(media);

  /* helper classes to register callbacks */
  struct _callbackObj {
    static void*lock(void*opaque, void**plane )
    {
      videoVLC*obj=(videoVLC*)opaque;
      if(obj) {
        return obj->lockFrame(plane);
      }
      return NULL;
    }
    static void unlock(void*opaque, void*picture, void*const*plane)
    {
      videoVLC*obj=(videoVLC*)opaque;
      if(obj) {
        obj->unlockFrame(picture, plane);
      }
    }
    static void display(void*opaque, void*picture)
    {
      videoVLC*obj=(videoVLC*)opaque;
    }
    _callbackObj(videoVLC*data)
    {
      libvlc_video_set_callbacks(data->m_mediaplayer,
                                 lock,
                                 unlock,
                                 NULL,
                                 data);
    }
  };
  struct _formatCallbackObj {
    static unsigned format(void**opaque, char *chroma, unsigned *width,
                           unsigned *height, unsigned *pitches, unsigned *lines)
    {
      videoVLC**objptr=(videoVLC**)opaque;
      if(objptr && *objptr) {
        return (*objptr)->setFormat(chroma, *width, *height, *pitches, *lines);
      }
      return 0;
    }
    _formatCallbackObj(videoVLC*data)
    {
      libvlc_video_set_format_callbacks(data->m_mediaplayer,
                                        format,
                                        NULL
                                       );

    }
  };
  /* instantiate helper-classes (which registers callbacks) */
  _callbackObj(this);
  _formatCallbackObj(this);

  return true;
}
示例#16
0
文件: videoVFW.cpp 项目: rfabbri/Gem
/////////////////////////////////////////////////////////
// openDevice
//
/////////////////////////////////////////////////////////
bool videoVFW :: openDevice(gem::Properties&props)
{
    char driverName[256];
    char driverDesc[256];
    if (capGetDriverDescription(0, driverName, 256, driverDesc, 256))
        post("videoVFW: driver '%s'", driverName);


    double d;
    if (props.get("width", d))
        m_width=d;

    if (props.get("height", d))
        m_height=d;

    if(m_hWndC)closeDevice();

    // Connect to the daemon
    m_hWndC = capCreateCaptureWindow ((LPSTR) "GEM video",	// window name if pop-up
                                      0,				// window style (not visible)
                                      0, 0, m_width, m_height,// window position and dimensions
                                      GetDesktopWindow(), 0);
    if (!m_hWndC) {
        error("Unable to create capture window");
        return false;
    }

    if (!capDriverConnect(m_hWndC, 0)) {
        error("Unable to connect to video driver");
        closeDevice();
        return false;
    }

    CAPTUREPARMS params;
    if (!capCaptureGetSetup(m_hWndC, &params, sizeof(CAPTUREPARMS))) {
        error("Unable to get capture parameters");
        closeDevice();
        return false;
    }

    params.fYield = TRUE;
    params.fCaptureAudio = FALSE;
    params.wPercentDropForError = 100;
    params.fLimitEnabled = FALSE;
    params.AVStreamMaster = AVSTREAMMASTER_NONE;
    params.fStepCaptureAt2x = FALSE;
    params.fAbortLeftMouse = FALSE;
    params.fAbortRightMouse = FALSE;
    if (!capCaptureSetSetup(m_hWndC, &params, sizeof(CAPTUREPARMS)))
    {
        error("Unable to set capture parameters");
        closeDevice();
        return false;
    }

    if (!capSetCallbackOnVideoStream(m_hWndC, videoVFW::videoFrameCallback))
    {
        error("Unable to set frame callback");
        closeDevice();
        return false;
    }
    if (!capSetUserData(m_hWndC, this))
    {
        error("Unable to set user data");
        closeDevice();
        return false;
    }
    DWORD formSize = capGetVideoFormat(m_hWndC, NULL, 0);
    BITMAPINFO *videoFormat = (BITMAPINFO *)(new char[formSize]);
    if (!capGetVideoFormat(m_hWndC, videoFormat, formSize))
    {
        error("Unable to get video format");
        closeDevice();
        return false;
    }

    videoFormat->bmiHeader.biWidth = m_width;
    videoFormat->bmiHeader.biHeight = m_height;
    videoFormat->bmiHeader.biBitCount = 24;
    videoFormat->bmiHeader.biCompression = BI_RGB;
    videoFormat->bmiHeader.biClrUsed = 0;
    videoFormat->bmiHeader.biClrImportant = 0;
    videoFormat->bmiHeader.biSizeImage = 0;
    if (!capSetVideoFormat(m_hWndC, videoFormat, formSize)) {
        error("Unable to set video format");
        delete videoFormat;
        closeDevice();
        return false;
    }
    if (!capGetVideoFormat(m_hWndC, videoFormat, formSize)) {
        error("Unable to get video format");
    }
    m_width=static_cast<int>(videoFormat->bmiHeader.biWidth);
    m_height=static_cast<int>(videoFormat->bmiHeader.biHeight);

    verbose(1, "Connected with %dx%d @ %d",
            m_width, m_height,
            static_cast<int>(videoFormat->bmiHeader.biBitCount));

    delete videoFormat;

    m_image.image.xsize = m_width;
    m_image.image.ysize = m_height;
    m_image.image.setCsizeByFormat(GL_RGBA);

    m_image.image.reallocate();
    m_image.image.setBlack();

    return true;
}
示例#17
0
文件: imageQT.cpp 项目: megrimm/Gem
bool imageQT::save(const imageStruct&constimage,
                   const std::string&filename, const std::string&mimetype,
                   const gem::Properties&props)
{
  OSErr                 err=noErr;
  ComponentResult               cErr    = 0;

  GWorldPtr                     img     = NULL;
  GraphicsExportComponent       geComp  = NULL;
  Rect                  r;

  FSSpec                        spec;

  OSType                        osFileType=kQTFileTypeTIFF;
  mime2type(mimetype, osFileType);
  std::string myfilename=filename.c_str();

  const UInt8*filename8=reinterpret_cast<const UInt8*>(myfilename.c_str());
#if defined __APPLE__
  FSRef                 ref;
  err = ::FSPathMakeRef(filename8, &ref, NULL );

  if (err == fnfErr) {
    // if the file does not yet exist, then let's create the file
    touch(myfilename);
    err = FSPathMakeRef(filename8, &ref, NULL);
  }

  if (err != noErr) {
    verbose(1, "[GEM:imageQT] error#%d in FSPathMakeRef()", err);
  }

  err = ::FSGetCatalogInfo(&ref, kFSCatInfoNodeFlags, NULL, NULL, &spec,
                           NULL);

  if (err != noErr)  {
    verbose(1, "[GEM:imageQT] error#%d in FSGetCatalogInfo()", err);
  }

  err = FSMakeFSSpec(spec.vRefNum, spec.parID, filename8,
                     &spec);  //this always gives an error -37 ???

#elif defined _WIN32
  touch(myfilename);
  err = FSMakeFSSpec (0, 0L, filename8, &spec);
#endif
  if (err != noErr && err != -37) {
    verbose(1, "[GEM:imageQT] error#%d in FSMakeFSSpec()", err);
  }

  err = OpenADefaultComponent(GraphicsExporterComponentType, osFileType,
                              &geComp);
  if (err != noErr)  {
    verbose(0, "[GEM:imageQT] error#%d in OpenADefaultComponent()", err);
    return false; // FIXME:
  }

  r.top = 0;
  r.left = 0;
  r.bottom = constimage.ysize;
  r.right = constimage.xsize;

  imageStruct rgbaimg;
  rgbaimg.convertFrom(&constimage, GL_RGBA_GEM);

  unsigned char *data = NULL;
  if(!rgbaimg.upsidedown) { // the image is openGL-oriented, not quicktime-oriented! flip it!
    int rowBytes = rgbaimg.xsize * rgbaimg.csize;
    int imageSize = rgbaimg.ysize * rowBytes;

    data = new unsigned char[imageSize];

    InvertGLImage(rgbaimg.data, data, imageSize, rowBytes);
  }

  err = QTNewGWorldFromPtr(&img,
                           IMAGEQT_RGBA_PIXELFORMAT,                       //k32RGBAPixelFormat,
                           &r, NULL, NULL, 0,
                           (data?data:rgbaimg.data),
                           static_cast<long>(rgbaimg.xsize * rgbaimg.csize));

  // is this the right place to free the "data" buffer (if used)?
  // i don't know, whether quicktime still needs the buffer...

  if (err != noErr) {
    verbose(0, "[GEM:imageQT] error#%d in QTNewGWorldFromPtr()", err);
    if(data) {
      delete[]data;
    }
    return false; // FIXME:
  }

  // Set the input GWorld for the exporter
  cErr = GraphicsExportSetInputGWorld(geComp, img);
  if (cErr != noErr)  {
    verbose(0, "[GEM:imageQT] error#%d in GraphicsExportSetInputGWorld()",
            cErr);
    if(data) {
      delete[]data;
    }
    return false; // FIXME:
  }

  // Set the output file to our FSSpec
  cErr = GraphicsExportSetOutputFile(geComp, &spec);
  if (cErr != noErr) {
    verbose(0, "[GEM:imageQT] error#%d in GraphicsExportSetOutputFile()",
            cErr);
    if(data) {
      delete[]data;
    }
    return false; // FIXME:
  }

  // Set the compression quality (needed for JPEG, not necessarily for other formats)
  /*
    codecMinQuality
    codecLowQuality
    codecNormalQuality
    codecHighQuality
    codecMaxQuality
    codecLosslessQuality
  */

  CodecQ quality=codecHighQuality;

  double d=0.;
  if(props.get("quality", d)) {
    // <0 = minqality
    // >=100 = lossless
    if(d<0.) {
      d=0.;
    } else if(d>100.) {
      d=100.;
    }

    CodecQ maxQ=codecLosslessQuality;
    double maxQ_d=(double)maxQ;
    double quality_d=maxQ_d * d / 100.; // 0..maxQ

    quality=(CodecQ)quality_d;
  }

  cErr = GraphicsExportSetCompressionQuality(geComp,  quality);

  // Export it
  cErr = GraphicsExportDoExport(geComp, NULL);
  if (cErr != noErr) {
    verbose(0, "[GEM:imageQT] ERROR: %i in GraphicsExportDoExport()", cErr);
    if(data) {
      delete[]data;
    }
    return false; // FIXME:
  }

  // finally, close the component
  if (geComp != NULL) {
    CloseComponent(geComp);
  }

  if(data) {
    delete[]data;
  }
  return true;
}
示例#18
0
bool imageJPEG::save(const imageStruct&constimage, const std::string&filename, const std::string&mimetype, const gem::Properties&props) {
  struct jpeg_compress_struct cinfo;

  /* More stuff */
  FILE * outfile=NULL;		/* target file */
  JSAMPROW row_pointer;	/* pointer to JSAMPLE row[s] */
  int row_stride;		/* physical row width in image buffer */

  // We set up the normal JPEG error routines, then override error_exit
  my_error_mgr jerr;
  cinfo.err = jpeg_std_error(&jerr.pub);
  jerr.pub.error_exit = my_error_exit;

  // Establish the setjmp return context for my_error_exit to use.
  if ( setjmp(jerr.setjmp_buffer) ) {
    // If we get here, the JPEG code has signaled an error.
    // We need to clean up the JPEG object, close the input file, and return.
    jpeg_destroy_compress(&cinfo);
    if(outfile)
      fclose(outfile);
    return(false);
  }

  double fquality=100;
  props.get("quality", fquality);
  int quality=fquality;

  if(GL_YUV422_GEM==constimage.format) {
    error("don't know how to write YUV-images with libJPEG");
    return false;
  }

  /* Now we can initialize the JPEG compression object. */
  jpeg_create_compress(&cinfo);

  if ((outfile = fopen(filename.c_str(), "wb")) == NULL) {
    error("can't open %s\n", filename.c_str());
    return (false);
  }
  jpeg_stdio_dest(&cinfo, outfile);

  imageStruct image;
  constimage.convertTo(&image, GL_RGB);
  //  image.fixUpDown();
  JSAMPLE *image_buffer = image.data;

  cinfo.image_width = image.xsize; 	/* image width and height, in pixels */
  cinfo.image_height = image.ysize;
  cinfo.input_components = 3;		/* # of color components per pixel */
  cinfo.in_color_space = JCS_RGB; 	/* colorspace of input image */

  jpeg_set_defaults(&cinfo);
  jpeg_set_quality(&cinfo, quality, TRUE /* limit to baseline-JPEG values */);
  jpeg_start_compress(&cinfo, TRUE);

  row_stride = image.xsize * image.csize;	/* JSAMPLEs per row in image_buffer */

  while (cinfo.next_scanline < cinfo.image_height) {
    /* jpeg_write_scanlines expects an array of pointers to scanlines.
     * Here the array is only one element long, but you could pass
     * more than one scanline at a time if that's more convenient.
     */
    int rowindex=cinfo.next_scanline;
    if(!image.upsidedown)
      rowindex=(cinfo.image_height-cinfo.next_scanline-1);
    row_pointer = & image_buffer[rowindex * row_stride];

    if(jpeg_write_scanlines(&cinfo, &row_pointer, 1) < 0){
      error("GEM: could not write line %d to image %s", cinfo.next_scanline, filename.c_str());
      jpeg_finish_compress(&cinfo);
      fclose(outfile);
      jpeg_destroy_compress(&cinfo);
      return(false);
    }
  }

  jpeg_finish_compress(&cinfo);
  fclose(outfile);
  jpeg_destroy_compress(&cinfo);

  return true;
}
示例#19
0
bool filmQT :: open(const std::string filename, const gem::Properties&wantProps) {
  FSSpec	theFSSpec;
  OSErr		err = noErr;
  Rect		m_srcRect;
  long		m_rowBytes;

  short	refnum = 0;
  long	movieDur, movieScale;
  OSType	whichMediaType;
  short		flags = 0;
  int wantedFormat;
  double d;

  if (filename.empty())return false;
  if (!m_bInit){
    error("filmQT: object not correctly initialized\n");
    return false;
  }
  if(wantProps.get("colorspace", d))
    m_wantedFormat=d;
     
  wantedFormat= (m_wantedFormat)?m_wantedFormat:GL_RGBA;
  // Clean up any open files:  closeMess();

  Str255	pstrFilename;
  CopyCStringToPascal(filename.c_str(), pstrFilename);           // Convert to Pascal string

  err = FSMakeFSSpec (0, 0L, pstrFilename, &theFSSpec);  // Make specification record
#ifdef __APPLE__
  if (err != noErr) {  
    FSRef		ref;
    err = ::FSPathMakeRef((const UInt8*)filename.c_str(), &ref, NULL);
    err = ::FSGetCatalogInfo(&ref, kFSCatInfoNone, NULL, NULL, &theFSSpec, NULL);
  }
#endif
  
  if (err != noErr) {
    error("filmQT: Unable to find file: %s (%d)", filename.c_str(), err);
    //goto unsupported;
  }
  err = ::OpenMovieFile(&theFSSpec, &refnum, fsRdPerm);
  if (err) {
    error("filmQT: Couldn't open the movie file: %s (%d)", filename.c_str(), err);
    if (refnum) ::CloseMovieFile(refnum);
    goto unsupported;
  }
  err = ::NewMovieFromFile(&m_movie, refnum, NULL, NULL, newMovieActive, NULL);
  if (err) {
    error("filmQT: Couldn't make a movie from file: %s (%d)", filename.c_str(), err);
    if (refnum) ::CloseMovieFile(refnum);
    m_movie=NULL;
    goto unsupported;
  }
  if (refnum) ::CloseMovieFile(refnum);


  m_curFrame = -1;
  m_numTracks = static_cast<int>(GetMovieTrackCount(m_movie));

  // Get the length of the movie
  movieDur = static_cast<long>(GetMovieDuration(m_movie));
  movieScale = static_cast<long>(GetMovieTimeScale(m_movie));

  whichMediaType = VisualMediaCharacteristic;

  // shouldn't the flags be OR'ed instead of ADDed ? (jmz)
  flags = nextTimeMediaSample | nextTimeEdgeOK;

  GetMovieNextInterestingTime( m_movie, flags, 
			       static_cast<TimeValue>(1), 
			       &whichMediaType, 0,
			       static_cast<Fixed>(1<<16), NULL, &duration);
  m_numFrames = movieDur/duration;
  m_fps = m_numFrames;

  // Get the bounds for the movie
  ::GetMovieBox(m_movie, &m_srcRect);
  // OffsetRect(&m_srcRect,  -m_srcRect.left,  -m_srcRect.top);
  SetMovieBox(m_movie, &m_srcRect);	
  m_image.image.xsize = m_srcRect.right - m_srcRect.left;
  m_image.image.ysize = m_srcRect.bottom - m_srcRect.top;

  m_image.image.setCsizeByFormat(GL_RGBA);
  m_image.image.allocate();

  m_rowBytes = m_image.image.xsize * 4;
  // SetMoviePlayHints(m_movie, hintsHighQuality, hintsHighQuality);
  err = SetMovieAudioMute(m_movie, true, 0);
  if(noErr!=err) {
    error("filmQT: unable to mute movie...");
  }

  err = QTNewGWorldFromPtr(	&m_srcGWorld,
				FILMQT_DEFAULT_PIXELFORMAT,
				&m_srcRect,
				NULL,
				NULL,
				0,
				m_image.image.data,
				m_rowBytes);
  if (err) {
    error("filmQT: Couldn't make QTNewGWorldFromPtr %d", err);
    goto unsupported;
  }

  // *** set the graphics world for displaying the movie ***
  ::SetMovieGWorld(m_movie, m_srcGWorld, GetGWorldDevice(m_srcGWorld));
  if(GetMoviesError()){
    close();
    goto unsupported;
  }

  SetMovieRate(m_movie,X2Fix(1.0));
  ::MoviesTask(m_movie, 0);	// *** this does the actual drawing into the GWorld ***

  return true;

 unsupported:
  return false;

}
示例#20
0
void videoUNICAP :: setProperties(gem::Properties&props) {
  m_props=props;
  debugPost("handle=%p", m_handle);
  if(!m_handle)
    return;

  unicap_status_t status = 0;
  bool restart=false;

  unsigned int width=0, height=0;

  std::vector<std::string> keys=props.keys();
  int i=0;
  for(i=0; i<keys.size(); i++) {
    std::string key=keys[i];

    double d=0;
    std::string s;


    if(("width"==key) && props.get(key, d)) {
      width=d;
      if(m_width!=width) {
        m_width=width;
        restart=true;
      }
      continue;
    }
    if(("height"==key) && props.get(key, d)) {
      height=d;
      if(m_height!=height) {
        m_height=height;
        restart=true;
      }
      continue;
    }

    unicap_property_t prop;
    strncpy(prop.identifier, key.c_str(), 128);
    status=unicap_get_property(m_handle, &prop );

    if(SUCCESS(status)) {
      switch(prop.type) {
      case UNICAP_PROPERTY_TYPE_VALUE_LIST: 
      case UNICAP_PROPERTY_TYPE_FLAGS: 
      case UNICAP_PROPERTY_TYPE_RANGE: 
        if(props.get(key, d)) {
          prop.value=d;
          status= unicap_set_property(m_handle, &prop );
        }
        break;
      case UNICAP_PROPERTY_TYPE_MENU:
        if(props.get(key, d)) {
          if(d>=0 && d < prop.menu.menu_item_count) {
            int i=d;
            /* unfortunately we must use the symbolic value and cannot simply set using the index... */
            strncpy(prop.menu_item, prop.menu.menu_items[i], 128);
            status= unicap_set_property(m_handle, &prop );
          }
        } else if (props.get(key, s)) {
          strncpy(prop.menu_item, s.c_str(), 128);
          status= unicap_set_property(m_handle, &prop );
        }
        break;
      default:
        // ?
        break;
      }
      
      if(!SUCCESS(status)) {
        verbose(1, "could not set property '%s'", key.c_str());
#if 0
      } else {
        verbose(1, "successfully set property '%s'", key.c_str());
#endif
      }
    }
  }

  while(restart) { restart=false;
    debugPost("restarting stream due to property change");
    bool running=stop();
    debugPost("running=%d", running);
    if (running)start();
  }
}
示例#21
0
文件: filmAVI.cpp 项目: avilleret/Gem
/////////////////////////////////////////////////////////
// open the file
//
/////////////////////////////////////////////////////////
bool filmAVI :: open(const std::string filename, const gem::Properties&wantProps)
{
  AVISTREAMINFO streaminfo;
  long lSize = 0; // in bytes

  double d;
  if(wantProps.get("colorspace", d) && d>0)
    m_wantedFormat=d;

  if (AVIStreamOpenFromFile(&m_streamVid, filename.c_str(), streamtypeVIDEO, 0, OF_READ, NULL)) {
    verbose(2, "[pix_film:AVI]: Unable to open file: %s", filename.c_str());
    goto unsupported;
  }

  if( AVIStreamInfo( m_streamVid, &streaminfo, sizeof(streaminfo)) ||
      AVIStreamReadFormat(m_streamVid, AVIStreamStart(m_streamVid), NULL, &lSize))  {
    verbose(2, "[pix_film:AVI]: Unable to read file format: %s", filename.c_str());
    goto unsupported;
  }

  m_pbmihRaw = (BITMAPINFOHEADER*) new char[lSize];

  if(AVIStreamReadFormat(m_streamVid, AVIStreamStart(m_streamVid), m_pbmihRaw, &lSize))	{
    verbose(2, "[pix_film:AVI]: Unable to read file format: %s", filename.c_str());
    goto unsupported;
  }
  if ((8 == m_pbmihRaw->biBitCount)
      || ((40 == m_pbmihRaw->biBitCount) && (mmioFOURCC('c','v','i','d') == m_pbmihRaw->biCompression))) {
    // HACK: attempt to decompress 8 bit films or BW cinepak films to greyscale
    m_pbmihDst = (BITMAPINFOHEADER*) new char[sizeof(BITMAPINFOHEADER) + 256*3];
    verbose(3, "[pix_film:AVI]: Loading as greyscale");

    *m_pbmihDst = *m_pbmihRaw;
    m_pbmihDst->biSize = sizeof(BITMAPINFOHEADER);

    m_format = GL_LUMINANCE;
			
    m_pbmihDst->biBitCount			= 8;
    m_pbmihDst->biClrUsed			= 256;
    m_pbmihDst->biClrImportant		= 256;

    char* pClrPtr = ((char*)m_pbmihDst) + sizeof(BITMAPINFOHEADER);
    for (int i = 0; i < 256; i++){
      *pClrPtr++ = i;
      *pClrPtr++ = i;
      *pClrPtr++ = i;
      }
  } else {
    m_pbmihDst = (BITMAPINFOHEADER*) new char[sizeof(BITMAPINFOHEADER)];
    *m_pbmihDst = *m_pbmihRaw;

    m_format = GL_BGR_EXT;
			
    m_pbmihDst->biBitCount	= 24;
    m_pbmihDst->biClrUsed	= 0;
    m_pbmihDst->biClrImportant	= 0;
  }

  m_pbmihDst->biCompression		= BI_RGB;
  m_pbmihDst->biSizeImage			= 0;

  // Get the length of the movie
  m_numFrames = streaminfo.dwLength - 1;

  m_fps = (double)streaminfo.dwRate / streaminfo.dwScale;

  m_image.image.xsize = streaminfo.rcFrame.right - streaminfo.rcFrame.left;
  m_image.image.ysize = streaminfo.rcFrame.bottom - streaminfo.rcFrame.top;
  m_image.image.setCsizeByFormat(m_wantedFormat);
  m_image.image.reallocate();

  if (!(m_hic = ICLocate(ICTYPE_VIDEO, 0, m_pbmihRaw, m_pbmihDst, ICMODE_DECOMPRESS))){
    verbose(2, "[pix_film:AVI]: Could not find decompressor: %s", filename.c_str());
    goto unsupported;
  }
  if (m_format==GL_LUMINANCE){
    if (ICERR_OK != ICDecompressSetPalette(m_hic, m_pbmihDst)){
      verbose(2, "[pix_film:AVI]: Could not set palette: %s", filename.c_str());
    }
  }

  if (ICERR_OK != ICDecompressBegin(m_hic, m_pbmihRaw, m_pbmihDst)){
    verbose(2, "[pix_film:AVI]: Could not begin decompression: %s", filename.c_str());
    goto unsupported;
  }
  //if (!m_pbmihRaw->biSizeImage)
  //	m_pbmihRaw->biSizeImage = m_xsize * m_ysize * m_csize;
  //m_nRawBuffSize = MIN(streaminfo.dwSuggestedBufferSize, m_pbmihRaw->biSizeImage);
  m_nRawBuffSize = MAX(static_cast<int>(streaminfo.dwSuggestedBufferSize), static_cast<int>(m_pbmihRaw->biSizeImage));
  if(!m_nRawBuffSize)m_nRawBuffSize = m_image.image.xsize * m_image.image.ysize * 3;

  m_RawBuffer = new unsigned char[m_nRawBuffSize];
  m_frame     = new unsigned char[m_nRawBuffSize];
  m_reqFrame = 0;
  m_curFrame = -1;
  return true;

 unsupported:
  close();
  return false;
}
示例#22
0
void videoOptiTrack::setProperties(gem::Properties&props)
{
  std::string s;
  m_props=props;


  double d;
  bool resize=false;
  if(props.get("width", d)) {
    if(d>0) {
      m_pixBlock.image.xsize=d;
      m_resize=true;
    }
  }
  if(props.get("height", d)) {
    if(d>0) {
      m_pixBlock.image.ysize=d;
      m_resize=true;
    }
  }

#define SETCAMERAPROP_BOOL(name) do { if(props.get(#name, d)) {bool b=(d>0.5); m_camera->Set##name(b); } } while(0)
#define SETCAMERAPROP_INT(name)  do { if(props.get(#name, d)) {int i=(int)d; m_camera->Set##name(i); } } while(0)
#define SETCAMERAPROP_STR(name)  do { if(props.get(#name, s)) {int i=(int)d; m_camera->Set##name(s.c_str()); } } while(0)
  SETCAMERAPROP_BOOL(AEC);
  SETCAMERAPROP_BOOL(AGC);
  SETCAMERAPROP_BOOL(ContinuousIR);
  SETCAMERAPROP_BOOL(EnableBlockingMask);
  SETCAMERAPROP_BOOL(HighPowerMode);
  SETCAMERAPROP_BOOL(IRFilter);
  SETCAMERAPROP_BOOL(MarkerOverlay);
  SETCAMERAPROP_BOOL(TextOverlay);
  SETCAMERAPROP_INT(Exposure);
  SETCAMERAPROP_INT(FrameDecimation);
  SETCAMERAPROP_INT(FrameRate);
  SETCAMERAPROP_INT(GrayscaleDecimation);
  SETCAMERAPROP_INT(Intensity);
  SETCAMERAPROP_INT(PrecisionCap);
  SETCAMERAPROP_INT(ShutterDelay);
  SETCAMERAPROP_INT(StatusIntensity);
  SETCAMERAPROP_INT(Threshold);
  SETCAMERAPROP_STR(Name);
#undef SETCAMERAPROP_BOOL
#undef SETCAMERAPROP_INT
#undef SETCAMERAPROP_STR

  d=-1;
  if(props.get("quality", d)) {
    int quality=d;
    if(quality!=m_quality) {
      m_quality=quality;
      if(m_quality<0) {
        m_camera->SetVideoType(GrayscaleMode);
      } else {
        m_camera->SetVideoType(MJPEGMode);
        m_camera->SetMJPEGQuality(m_quality);
      }
    }
  }

  /*
    SetAllLED(eStatusLEDs);
    SetLED(eStatusLEDs, bool);

    SetVideoType(eVideoMode);
    SetLateMJPEGDecompression(bool);
    SetMJPEGQuality(int);

    SetName(const char*);
    SetNumeric(bool, int);

    SetWindow(int, int, int, int);
    SetObjectColor(int);
    SetBitMaskPixel(int x, int y, bool);

    SetCameraParameter(char*name, float value);
  */
}