Canon CR3 Fileformat

• canon_cr3

  2 260 4.5 Python

  Describing the Canon CR3 fileformat from Canon M50 / EOS R / SX70 HS / EOS RP...

• darktable

  389 8,848 10.0 C

  darktable is an open source photography workflow application and raw developer

  

Uggh. At the moment, many open source photography software projects are lacking support for CR3 due to an ambiguous patent situation. It seems that CR3 may include technologies covered by some patents, and Canon has refused to comment on whether or not they intend to pursue legal action against open source reader implementations. The response of the developers has been, undertstably, to forego implementation to avoid getting sued.

https://github.com/darktable-org/darktable/issues/2170

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• avif

  1 27 0.0 C

  Discontinued THIS PROJECT HAS MOVED: https://github.com/AOMediaCodec/libavif

Recent notes are all about HEIF (~= iOS HEIC). It seems alarming to me that so many devices (Canon and iPhone at least) are putting out patent-encumbered HEIF/HEIC files while the available decoders are so incredibly slow.

Last I looked, libHEIF is >50x slower than the built-in iOS decoders, which makes the format hundreds of times slower to decode than JPEG. With JPEG, the differences between free decoders and the "best" ones has been 2-3x in speed, but 50x slower is a huge cost that makes these formats unworkable for a whole lot of things, like most webservers.

Does anyone know if things are getting better here?

As an example, here are some 2019 benchmarks of Apple's HEIC decoder vs. libHEIF:

https://github.com/joedrago/avif/issues/11

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