Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+### Added
+ - encoder API: add `JxlEncoderSetExtraChannelDistance` to adjust the quality
+   of extra channels (like alpha) separately.
+
+### Removed
+
+### Changed 
+ - changed the name of the cjxl flag `photon_noise` to `photon_noise_iso`
+
+## [0.8.0] - 2023-01-18
+
+### Added
+ - decoder API: new function `JxlDecoderSetImageBitDepth` to set the bit depth
+   of the output buffer.
+ - decoder API proposal: add `JxlDecoderSetOutputColorProfile` and
+   `JxlDecoderSetCms` to enable decoding to desired colorspace; NB: not
+   implemented yet.
+ - encoder API: new function `JxlEncoderSetFrameBitDepth` to set the bit depth
+   of the input buffer.
+ - encoder API: add an effort 10 option for lossless compression; using this
+   setting requires calling `JxlEncoderAllowExpertOptions`.
+ - encoder API: new `JXL_ENC_FRAME_SETTING_JPEG_COMPRESS_BOXES` enum value to
+   allow explicit control of metadata compression
+
+### Removed
+ - common API: removed `JxlIntrinsicSizeHeader`
+ - decoder API: removed deprecated `JXL_DEC_NEED_DC_OUT_BUFFER` and
+   `JXL_DEC_DC_IMAGE` events, `JxlDecoderDCOutBufferSize` and
+   `JxlDecoderSetDCOutBuffer` functions
+
+### Changed / clarified
+ - encoder API: `JxlEncoderProcessOutput` requires at least 32 bytes of output
+   space to proceed and guarantees that at least one byte will be written
+## [0.7] - 2022-07-21
+
+### Added
+ - Export version information in headers.
+ - decoder API: Ability to decode the content of metadata boxes:
+   `JXL_DEC_BOX`, `JXL_DEC_BOX_NEED_MORE_OUTPUT`, `JxlDecoderSetBoxBuffer`,
+   `JxlDecoderGetBoxType`, `JxlDecoderGetBoxSizeRaw` and
+   `JxlDecoderSetDecompressBoxes`.
+ - decoder API: ability to mark the input is finished: `JxlDecoderCloseInput`.
+ - decoder API: ability to request updates on different progressive events using
+   `JxlDecoderSetProgressiveDetail`; currently supported events are
+   `kDC`, `kLastPasses` and `kPasses`.
+ - decoder API: ability to specify desired intensity target using
+   `JxlDecoderSetDesiredIntensityTarget`
+ - decoder API: new function `JxlDecoderSetCoalesced` to allow decoding
+   non-coalesced (unblended) frames, e.g. layers of a composite still image
+   or the cropped frames of a recompressed GIF/APNG.
+ - decoder API: new function `JxlDecoderSetUnpremultiplyAlpha` to set
+   preference for getting an associated alpha channel with premultiplied or
+   unpremultiplied colors.
+ - decoder API: field added to `JxlFrameHeader`: a `JxlLayerInfo` struct
+   that contains crop dimensions and offsets and blending information for
+   the non-coalesced case.
+ - decoder API: new function `JxlDecoderGetExtraChannelBlendInfo` to get
+   the blending information for extra channels in the non-coalesced case.
+ - decoder API: new function `JxlDecoderSetMultithreadedImageOutCallback`,
+   allowing output callbacks to receive more information about the number of
+   threads on which they are running.
+ - decoder API: new function `JxlDecoderSkipCurrentFrame` to skip processing
+   the current frame after a progressive detail is reached.
+ - decoder API: new function `JxlDecoderGetIntendedDownsamplingRatio` to get
+   the intended downsampling ratio of progressive steps, based on the
+   information in the frame header.
+ - decoder API: new function `JxlDecoderSetRenderSpotcolors` to allow disabling
+   rendering of spot colors.
+ - decoder/encoder API: add two fields to `JXLBasicInfo`: `intrinsic_xsize`
+   and `intrinsic_ysize` to signal the intrinsic size.
+ - encoder API: ability to add metadata boxes, added new functions
+   `JxlEncoderAddBox`, `JxlEncoderUseBoxes`, `JxlEncoderCloseBoxes` and
+   `JxlEncoderCloseFrames`.
+ - encoder API: added ability to set several encoder options / extra fields to
+   frames using `JxlEncoderSetFrameName`, `JxlEncoderFrameSettingsSetOption`,
+   `JxlEncoderFrameSettingsSetFloatOption`.
+ - encoder API: added ability to check required codestream compatibility level
+   and force specified using `JxlEncoderGetRequiredCodestreamLevel` and
+   `JxlEncoderSetCodestreamLevel`.
+ - encoder API: added ability to force emitting box-based container format
+   using `JxlEncoderUseContainer`.
+ - encoder API: added ability to store JPEG metadata for lossless reconstruction
+   using `JxlEncoderStoreJPEGMetadata`
+ - encoder API: new functions `JxlEncoderSetFrameHeader` and
+   `JxlEncoderSetExtraChannelBlendInfo` to set animation
+   and blending parameters of the frame, and `JxlEncoderInitFrameHeader` and
+   `JxlEncoderInitBlendInfo` to initialize the structs to set.
+ - encoder API: ability to encode arbitrary extra channels:
+  `JxlEncoderInitExtraChannelInfo`, `JxlEncoderSetExtraChannelInfo`,
+  `JxlEncoderSetExtraChannelName` and `JxlEncoderSetExtraChannelBuffer`.
+ - encoder API: ability to plug custom CMS implementation using
+   `JxlEncoderSetCms(JxlEncoder* enc, JxlCmsInterface cms)`
+ - encoder API: added `JxlEncoderGetError` to retrieve last encoder error.
+
+### Changed
+- decoder API: using `JxlDecoderCloseInput` at the end of all input is required
+  when using JXL_DEC_BOX, and is now also encouraged in other cases, but not
+  required in those other cases for backwards compatibility.
+- encoder API: `JxlEncoderCloseInput` now closes both frames and boxes input.
+- CLI: `cjxl` and `djxl` have been reimplemented on the base of public decoder
+  and encoder API; dropped dependency on `gflags` for argument parsing.
+
+### Deprecated
+- decoder API: `JXL_DEC_EXTENSIONS` event: use `JXL_DEC_BASIC_INFO`
+- decoder / encoder API: pixel types `JXL_TYPE_BOOLEAN` and `JXL_TYPE_UINT32`:
+  consider using `JXL_TYPE_UINT8` and `JXL_TYPE_FLOAT` correspondingly.
+- decoder API: pixel format parameter for `JxlDecoderGetColorAsEncodedProfile`
+  and `JxlDecoderGetICCProfileSize`: pass `NULL`.
+- decoder API: `JxlDecoderDefaultPixelFormat`
+- encoder API: `JxlEncoderOptions`: use `JxlEncoderFrameSettings` instead.
+- encoder API: `JxlEncoderOptionsCreate`: use `JxlEncoderFrameSettingsCreate`
+  instead.
+- encoder API: `JxlEncoderOptionsSetDistance`: use `JxlEncoderSetFrameDistance`
+  instead.
+- encoder API: `JxlEncoderOptionsSetLossless`: use `JxlEncoderSetFrameLossless`
+  instead.
+- encoder API: `JxlEncoderOptionsSetEffort`: use
+  `JxlEncoderFrameSettingsSetOption(frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, effort)`
+  instead.
+- encoder API: `JxlEncoderOptionsSetDecodingSpeed`: use
+  `JxlEncoderFrameSettingsSetOption(frame_settings, JXL_ENC_FRAME_SETTING_DECODING_SPEED, tier)`
+  instead.
+- encoder API: deprecated `JXL_ENC_NOT_SUPPORTED`, the encoder returns
+  `JXL_ENC_ERROR` instead and there is no need to handle
+  `JXL_ENC_NOT_SUPPORTED`.
+
+## [0.6.1] - 2021-10-29
+### Changed
+ - Security: Fix OOB read in splines rendering (#735 -
+   [CVE-2021-22563](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22563))
+ - Security: Fix OOB copy (read/write) in out-of-order/multi-threaded decoding
+   (#708 - [CVE-2021-22564](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22564))
+ - Fix segfault in `djxl` tool with `--allow_partial_files` flag (#781).
+ - Fix border in extra channels when using upsampling (#796)
+
+## [0.6] - 2021-10-04
+### Added
+ - API: New functions to decode extra channels:
+   `JxlDecoderExtraChannelBufferSize` and `JxlDecoderSetExtraChannelBuffer`.
+ - API: New function `JxlEncoderInitBasicInfo` to initialize `JxlBasicInfo`
+   (only needed when encoding). NOTE: it is now required to call this function
+   when using the encoder. Padding was added to the struct for forward
+   compatibility.
+ - API: Support for encoding oriented images.
+ - API: FLOAT16 support in the encoder API.
+ - Rewrite of the GDK pixbuf loader plugin. Added proper color management and
+   animation support.
+ - Rewrite of GIMP plugin. Added compression parameters dialog and switched to
+   using the public C API.
+ - Debian packages for GDK pixbuf loader (`libjxl-gdk-pixbuf`) and GIMP
+   (`libjxl-gimp-plugin`) plugins.
+ - `cjxl`/`djxl` support for `stdin` and `stdout`.
+
+### Changed
+ - API: Renamed the field `alpha_associated` in `JxlExtraChannelInfo` to
+   `alpha_premultiplied`, to match the corresponding name in `JxlBasicInfo`.
+ - Improved the 2x2 downscaling method in the encoder for the optional color
+   channel resampling for low bit rates.
+ - Fixed: the combination of floating point original data, XYB color encoding,
+   and Modular mode was broken (in both encoder and decoder). It now works.
+   NOTE: this can cause the current encoder to write jxl bitstreams that do
+   not decode with the old decoder. In particular this will happen when using
+   cjxl with PFM, EXR, or floating point PSD input, and a combination of XYB
+   and modular mode is used (which caused an encoder error before), e.g.
+   using options like `-m -q 80` (lossy modular), `-d 4.5` or `--progressive_dc=1`
+   (modular DC frame), or default lossy encoding on an image where patches
+   end up being used. There is no problem when using cjxl with PNG, JPEG, GIF,
+   APNG, PPM, PGM, PGX, or integer (8-bit or 16-bit) PSD input.
+ - `libjxl` static library now bundles skcms, fixing static linking in
+   downstream projects when skcms is used.
+ - Spline rendering performance improvements.
+ - Butteraugli changes for less visual masking.
+
+## [0.5] - 2021-08-02
+### Added
+ - API: New function to decode the image using a callback outputting a part of a
+   row per call.
+ - API: 16-bit float output support.
+ - API: `JxlDecoderRewind` and `JxlDecoderSkipFrames` functions to skip more
+   efficiently to earlier animation frames.
+ - API: `JxlDecoderSetPreferredColorProfile` function to choose color profile in
+   certain circumstances.
+ - encoder: Adding `center_x` and `center_y` flags for more control of the tile
+   order.
+ - New encoder speeds `lightning` (1) and `thunder` (2).
+
+### Changed
+ - Re-licensed the project under a BSD 3-Clause license. See the
+   [LICENSE](LICENSE) and [PATENTS](PATENTS) files for details.
+ - Full JPEG XL part 1 specification support: Implemented all the spec required
+   to decode files to pixels, including cases that are not used by the encoder
+   yet. Part 2 of the spec (container format) is final but not fully implemented
+   here.
+ - Butteraugli metric improvements. Exact numbers are different from previous
+   versions.
+ - Memory reductions during decoding.
+ - Reduce the size of the jxl_dec library by removing dependencies.
+ - A few encoding speedups.
+ - Clarify the security policy.
+ - Significant encoding improvements (~5 %) and less ringing.
+ - Butteraugli metric to have some less masking.
+ - `cjxl` flag `--speed` is deprecated and replaced by the `--effort` synonym.
+
+### Removed
+- API for returning a downsampled DC was deprecated
+  (`JxlDecoderDCOutBufferSize` and `JxlDecoderSetDCOutBuffer`) and will be
+  removed in the next release.
+
+## [0.3.7] - 2021-03-29
+### Changed
+ - Fix a rounding issue in 8-bit decoding.
+
+## [0.3.6] - 2021-03-25
+### Changed
+ - Fix a bug that could result in the generation of invalid codestreams as
+   well as failure to decode valid streams.
+
+## [0.3.5] - 2021-03-23
+### Added
+ - New encode-time options for faster decoding at the cost of quality.
+ - Man pages for cjxl and djxl.
+
+### Changed
+ - Memory usage improvements.
+ - Faster decoding to 8-bit output with the C API.
+ - GIMP plugin: avoid the sRGB conversion dialog for sRGB images, do not show
+   a console window on Windows.
+ - Various bug fixes.
+
+## [0.3.4] - 2021-03-16
+### Changed
+ - Improved box parsing.
+ - Improved metadata handling.
+ - Performance and memory usage improvements.
+
+## [0.3.3] - 2021-03-05
+### Changed
+ - Performance improvements for small images.
+ - Add a (flag-protected) non-high-precision mode with better speed.
+ - Significantly speed up the PQ EOTF.
+ - Allow optional HDR tone mapping in djxl (--tone_map, --display_nits).
+ - Change the behavior of djxl -j to make it consistent with cjxl (#153).
+ - Improve image quality.
+ - Improve EXIF handling.
+
+## [0.3.2] - 2021-02-12
+### Changed
+ - Fix embedded ICC encoding regression
+   [#149](https://gitlab.com/wg1/jpeg-xl/-/issues/149).
+
+## [0.3.1] - 2021-02-10
+### Changed
+ - New experimental Butteraugli API (`jxl/butteraugli.h`).
+ - Encoder improvements to low quality settings.
+ - Bug fixes, including fuzzer-found potential security bug fixes.
+ - Fixed `-q 100` and `-d 0` not triggering lossless modes.
+
+## [0.3] - 2021-01-29
+### Changed
+ - Minor change to the Decoder C API to accommodate future work for other ways
+   to provide input.
+ - Future decoder C API changes will be backwards compatible.
+ - Lots of bug fixes since the previous version.
+
+## [0.2] - 2020-12-24
+### Added
+ - JPEG XL bitstream format is frozen. Files encoded with 0.2 will be supported
+   by future versions.
+
+### Changed
+ - Files encoded with previous versions are not supported.
+
+## [0.1.1] - 2020-12-01
+
+## [0.1] - 2020-11-14
+### Added
+ - Initial release of an encoder (`cjxl`) and decoder (`djxl`) that work
+   together as well as a benchmark tool for comparison with other codecs
+   (`benchmark_xl`).
+ - Note: JPEG XL format is in the final stages of standardization, minor changes
+   to the codestream format are still possible but we are not expecting any
+   changes beyond what is required by bug fixing.
+ - API: new decoder API in C, check the `examples/` directory for its example
+   usage. The C API is a work in progress and likely to change both in API and
+   ABI in future releases.