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strands-project / data_compression

Video encoding for 8 bit RGB images, 16 bit grayscale depth images and possibly more.
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data_compression

Video encoding for OpenNI topics to record them to a rosbag and replay through reconstruction of point clouds.

Includes libav_image_transport by Dominique Hunziker: https://github.com/rapyuta/libav_image_transport.

Compression comparison

To put the compression gains of this library in context, here is a comparison to the default ROS image compression and the uncompressed images.

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Both the ffv1 codec and the theora codec takes up quite a lot of CPU when compressing the OpenNI streams at 30 fps. The following CPU usages were measured on my Core i7 laptop.

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