// Copy basic properties between VideoStream
void CopyGeneralProperties( const VideoStream& rSource, VideoStream& rTarget )
{
rTarget.setVideoMode( rSource.getVideoMode() );
// assign basic properties
rTarget.setProperty( ONI_STREAM_PROPERTY_VERTICAL_FOV, rSource.getVerticalFieldOfView() );
rTarget.setProperty( ONI_STREAM_PROPERTY_HORIZONTAL_FOV, rSource.getHorizontalFieldOfView() );
rTarget.setProperty( ONI_STREAM_PROPERTY_MIRRORING, rSource.getMirroringEnabled() );
// assign dpeth only properties
rTarget.setProperty( ONI_STREAM_PROPERTY_MIN_VALUE, rSource.getMinPixelValue() );
rTarget.setProperty( ONI_STREAM_PROPERTY_MAX_VALUE, rSource.getMaxPixelValue() );
}
void* camera_thread(void*){
VideoFrameRef frame;
VideoFrameRef rgbframe;
int changed_stream;
VideoStream* pStream;
VideoStream* pRgbStream;
sensor_msgs::CameraInfo rgb_info;
sensor_msgs::CameraInfo depth_info;
sensor_msgs::Image image;
image.header.frame_id=frame_id;
image.is_bigendian=0;
int count = 0;
int num_frames_stat=64;
struct timeval previous_time;
gettimeofday(&previous_time, 0);
uint64_t last_stamp = 0;
while(run){
bool new_frame = false;
uint64_t current_stamp = 0;
openni::OpenNI::waitForAnyStream(streams, 2, &changed_stream);
switch (changed_stream)
{
//DEPTH
case 0:
depth.readFrame(&frame);
depth_info.header.stamp=ros::Time::now();
image.header.stamp=ros::Time::now();
if(!frame.isValid()) break;
current_stamp=frame.getTimestamp();
if (current_stamp-last_stamp>5000){
count++;
new_frame = true;
}
last_stamp = current_stamp;
if (! (count % (_frame_skip)) ){
image.header.seq = count;
if (! _registration){
image.header.frame_id=frame_id+"_depth";
} else
image.header.frame_id=frame_id+"_rgb";
depth_info.width=frame.getWidth();
depth_info.height=frame.getHeight();
depth_info.header.seq = count;
depth_info.distortion_model = sensor_msgs::distortion_models::PLUMB_BOB;
depth_info.D.resize(5, 0.0);
depth_info.K[0]=depth_info.width/(2*tan(depth.getHorizontalFieldOfView()/2)); //fx
depth_info.K[4]=depth_info.height/(2*tan(depth.getVerticalFieldOfView()/2));; //fy
depth_info.K[2]=depth_info.width/2; //cx
depth_info.K[5]=depth_info.height/2; //cy
depth_info.K[8]=1;
depth_info.header.frame_id=image.header.frame_id;
image.height=frame.getHeight();
image.width=frame.getWidth();
image.encoding="mono16";
image.step=frame.getWidth()*2;
image.data.resize(image.step*image.height);
memcpy((char*)(&image.data[0]),frame.getData(),image.height*image.width*2);
pub_depth.publish(image);
pub_camera_info_depth.publish(depth_info);
}
break;
//RGB
case 1:
rgb.readFrame(&rgbframe);
image.header.stamp=ros::Time::now();
rgb_info.header.stamp=ros::Time::now();
if(!rgbframe.isValid()) break;
current_stamp=rgbframe.getTimestamp();
if (current_stamp-last_stamp>5000){
count++;
new_frame = true;
}
last_stamp = current_stamp;
if (_gain>=0) {
if (count > 64 && gain_status==0){
rgb.getCameraSettings()->setAutoExposureEnabled(false);
rgb.getCameraSettings()->setAutoWhiteBalanceEnabled(false);
rgb.getCameraSettings()->setExposure(1);
rgb.getCameraSettings()->setGain(100);
gain_status=1;
} else if (count > 128 && gain_status==1){
rgb.getCameraSettings()->setExposure(_exposure);
rgb.getCameraSettings()->setGain(_gain);
gain_status=2;
}
}
if (! (count%(_frame_skip)) ){
rgb_info.header.frame_id=frame_id+"_rgb";
rgb_info.width=rgbframe.getWidth();
rgb_info.height=rgbframe.getHeight();
rgb_info.header.seq = count;
rgb_info.K[0]=rgb_info.width/(2*tan(rgb.getHorizontalFieldOfView()/2)); //fx
rgb_info.K[4]=rgb_info.height/(2*tan(rgb.getVerticalFieldOfView()/2));; //fy
rgb_info.K[2]=rgb_info.width/2; //cx
rgb_info.K[5]=rgb_info.height/2; //cy
rgb_info.K[8]=1;
image.header.seq = count;
image.header.frame_id=frame_id+"_rgb";
image.height=rgbframe.getHeight();
image.width=rgbframe.getWidth();
image.encoding="rgb8";
image.step=rgbframe.getWidth()*3;
image.data.resize(image.step*image.height);
memcpy((char*)(&image.data[0]),rgbframe.getData(),image.height*image.width*3);
pub_rgb.publish(image);
pub_camera_info_rgb.publish(rgb_info);
}
break;
default:
printf("Error in wait\n");
}
if (!(count%num_frames_stat) && new_frame){
struct timeval current_time, interval;
gettimeofday(¤t_time, 0);
timersub(¤t_time, &previous_time, &interval);
previous_time = current_time;
double fps = num_frames_stat/(interval.tv_sec +1e-6*interval.tv_usec);
printf("running at %lf fps\n", fps);
fflush(stdout);
}
}
}