v0.1.0-alpha.2#

NvImageCodecs-0.1.0-alpha.2 is the second release of the project. This release is for evaluation purposes only.

Release Highlights#

This nvImageCodec release includes the following updates over v0.1.0-alpha.1:

  • Fixed multiple logging when more than one instance of library is created

  • Fixed synchronization issues with Image CUDA stream in GPU encoders

  • Improved performance of single image pipeline

  • Added parallel batch execution of decoding and encoding for bmp and pnm formats

  • Added possibility to decode bmp to interleaved RGB

  • Added possibility to pass NumPy array to decode function

  • Added C and Python API reference documentation

  • Added package with samples

  • Improved testing

  • C API improvements

    • Removed binary literals

    • Changed bool type to integer

    • Remove MCT struct and enable_color_transform parameters and use nvimgcodecImageInfo_t instead

    • Added map and unmap to nvimgcodecIOStreamDesc_t

  • Python API improvements

    • Change decode and encode function which operates on files to read and write respectively

    • Replaced MCT and enable_color_conversion parameters with ColorSpec

    • Separate codec specific encode parameters in separate classes JpegEncodeParams and Jpeg2kEncodeParams

Compatibility#

This section highlights the compute stack nvImageCodec has been tested on

  • Ubuntu x86_x64 >= 20.04

  • CUDA Toolkit >= 11.8

  • GCC >= 9.4

  • Python: 3.7, 3.8, 3.9, 3.10, 3.11

Refer to documentation of the sample applications for dependencies.

License#

Nvidia Software Evaluation License