Difference between revisions of "Image Pipeline Foxy 20210322"
From wikidb
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* Lots of warnings about deprecated headers | * Lots of warnings about deprecated headers | ||
+ | |||
+ | = Execute the Image Publisher = | ||
+ | |||
+ | The image_publisher came from the [[Image Pipeline Foxy 20210322]] | ||
+ | |||
+ | TERMINAL 1 | ||
+ | |||
+ | $ source ~/image_ws/install/setup.bash | ||
+ | |||
+ | $ ros2 run image_publisher image_publisher_node /dev/video0 | ||
+ | [INFO] [1618505195.586979521] [ImagePublisher]: param_change_callback | ||
+ | [INFO] [1618862018.060864187] [ImagePublisher]: Reset filename as '/dev/video0' | ||
+ | [INFO] [1618862018.060899412] [ImagePublisher]: File name for publishing image is : /dev/video0 | ||
+ | [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (1758) handleMessage OpenCV | GStreamer warning: Embedded video playback halted; module source reported: Could not read from resource. | ||
+ | [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (888) open OpenCV | GStreamer warning: unable to start pipeline | ||
+ | [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (480) isPipelinePlaying OpenCV | GStreamer warning: GStreamer: pipeline have not been created | ||
+ | [INFO] [1618862020.729152588] [ImagePublisher]: Flip horizontal image is : false | ||
+ | [INFO] [1618862020.729282428] [ImagePublisher]: Flip flip_vertical image is : false | ||
+ | |||
+ | TERMINAL 2 | ||
+ | |||
+ | $ ros2 topic list | ||
+ | /camera_info | ||
+ | /image_raw | ||
+ | /parameter_events | ||
+ | /rosout | ||
+ | |||
+ | $ ros2 topic echo image_raw | ||
+ | --- | ||
+ | header: | ||
+ | stamp: | ||
+ | sec: 1617818511 | ||
+ | nanosec: 782709125 | ||
+ | frame_id: camera | ||
+ | height: 480 | ||
+ | width: 640 | ||
+ | encoding: bgr8 | ||
+ | is_bigendian: 0 | ||
+ | step: 1920 | ||
+ | data: | ||
+ | - 82 | ||
+ | - 85 | ||
+ | - 82 | ||
+ | - | ||
+ | ... | ||
+ | ... | ||
= Notes and Logs = | = Notes and Logs = | ||
* [[Webcam Foxy 20210322 Notes and Logs]] | * [[Webcam Foxy 20210322 Notes and Logs]] |
Revision as of 11:50, 7 May 2021
Installing the Image Publisher
See Webcam Foxy Notes below for more details.
I may have found this by going here: https://index.ros.org/r/image_pipeline/github-ros-perception-image_pipeline/#foxy
$ mkdir -p image_ws/src $ cd image_ws/src/ $ git clone -b 2.1.1 https://github.com/ros-perception/image_pipeline ... $ ls image_pipeline $ ls image_pipeline/ camera_calibration image_proc LICENSE wiki_files CONTRIBUTING.md image_publisher README.md depth_image_proc image_rotate stereo_image_proc image_pipeline image_view tools $ cd .. $ colcon build --symlink-install --parallel-workers 1 ...
- Lots of warnings about deprecated headers
Execute the Image Publisher
The image_publisher came from the Image Pipeline Foxy 20210322
TERMINAL 1
$ source ~/image_ws/install/setup.bash $ ros2 run image_publisher image_publisher_node /dev/video0 [INFO] [1618505195.586979521] [ImagePublisher]: param_change_callback [INFO] [1618862018.060864187] [ImagePublisher]: Reset filename as '/dev/video0' [INFO] [1618862018.060899412] [ImagePublisher]: File name for publishing image is : /dev/video0 [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (1758) handleMessage OpenCV | GStreamer warning: Embedded video playback halted; module source reported: Could not read from resource. [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (888) open OpenCV | GStreamer warning: unable to start pipeline [ WARN:0] global ../modules/videoio/src/cap_gstreamer.cpp (480) isPipelinePlaying OpenCV | GStreamer warning: GStreamer: pipeline have not been created [INFO] [1618862020.729152588] [ImagePublisher]: Flip horizontal image is : false [INFO] [1618862020.729282428] [ImagePublisher]: Flip flip_vertical image is : false
TERMINAL 2
$ ros2 topic list /camera_info /image_raw /parameter_events /rosout $ ros2 topic echo image_raw --- header: stamp: sec: 1617818511 nanosec: 782709125 frame_id: camera height: 480 width: 640 encoding: bgr8 is_bigendian: 0 step: 1920 data: - 82 - 85 - 82 - ... ...