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* Add swayimg to supported image viewers

* adding roland-rollo to AUTHORS
Co-authored-by: Moritz Firsching <firsching@google.com>

This makes sure that not only the last commit in a chain of
commits is checked for authors.

At the moment this does not optimize by reducing the number
of authors by removing duplicates before running the check;
it basically runs the old check for each commit since the
common ancestor commit.

This PR tries to implement the "Part 2: File format" Frame Index Box,
aka 'jxli' box.

Likely it doesn't work yet correctly, but will allow trying to implement
a decoder for it.

Leo Izen authored May 12, 2022 and Luca Versari committed May 14, 2022

Hyperlink refernces to functions and structures inside the doc comments
so they can be looked up without having to search.

Adds JxlEncoderGetError which can be used to check the reason why JXL_ENCODE_ERROR was returned: it could be either bad API usage, so an application bug, or an error condition that is not caused by an application bug and an application might want to react to it, e.g. by retrying JPEG recompression without storing the jbrd or by informing the user that the input is invalid.

* jxlinfo.c: update ec_type_names[] to be in sync with related enumeration

* decode.cc: memset(0) structures set by JxlDecoderGetBasicInfo() and JxlDecoderGetFrameHeader(), so that jxlinfo doesn't use uninitialized memory

* AUTHORS: add myself

Anonymous Maarten authored May 11, 2022 and Eugene Kliuchnikov committed May 12, 2022

This allows the jxl targets to be exported.
The current libjxl cmake build script does not do this yet,
but dependencies might.

e.g. SDL2_image is doing this

* Implement JxlDecoderSetProgressiveDetail
Co-authored-by: Luca Versari <veluca@google.com>

* Remove UB under strict aliasing for jxl_emcc.

* Revamp EMSCRIPTEN build.

Use a new version of emscripten + node, which allows simplifying the
build system and enabling threads.

Sami Boukortt authored May 10, 2022 and Sami Boukortt committed May 10, 2022

Older versions of gMock do not have the overload that does.

Sami Boukortt authored May 10, 2022 and Sami Boukortt committed May 10, 2022

This should fix #1407.

Closes https://github.com/libjxl/libjxl/issues/1396.

* Refactor the low memory rendering pipeline.

The code should now hopefully be more clear and undestandable.

As a nice side effect, this remove a potential race condition and
optimizes rendering of frames partially outside the current image.

* Fix the patch stage when combined with noise.

The patch stage declared to affect the additional noise channels (which
it doesn't). Because of this, the pipeline execution got confused about
the amount of y axis padding that the stage required (as it assumes that
it is the same for all channels for which it matters), resulting in
bogus values for the y position and, thus, in patches being moved by 2
pixels up.

Fixes a copy/paste typo so JXL_TRANSFER_FUNCTION_PQ is
properly documented as coming from SMPTE ST 2084.

The new testdata introduced a failing test in
`PassesTest.RoundtripMultiGroupPasses`
which we fix here.

This update the testdata submodule removes tests from
imagecompression.info.

* simplify/improve/correct box API documentation

* Apply suggestions from code review
Co-authored-by: Moritz Firsching <firsching@google.com>

Eugene Kliuchnikov authored Apr 26, 2022 and Eugene Kliuchnikov committed Apr 26, 2022

Previous assers was wrong: `sscanf(x, "%8lu", y);`
does not actually check that input is 8-digits long

* tools/jxlinfo: improve CLI option parsing

This patch adds --help, --verbose, and other convenience
features, such as the ability to read multiple files with
jxlinfo.

It is not reasonable to check that in image decoder - this would require
repeated ICC parsing.