Owner

strukturag

3 indexed repositories · View on GitHub

libheif
libheif is an HEIF and AVIF file format decoder and encoder.

C++ · 2359 stars
libde265
Open h.265 video codec implementation.

C++ · 1916 stars
nextcloud-spreed-signaling
Standalone signaling server for Nextcloud Talk.

Go · 532 stars

Beginner friendly Everything

Open All

Reconsider excluding dev-tools from release tarballs Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

strukturag/libde265#545 · Opened Sep 19, 2026
Invalid image size error when decoding derived images in libheif 1.23.4 Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

strukturag/libheif#1911 · 2 comments · Opened Sep 18, 2026
Add support for 16-bit floating-point uncompressed image Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1909 · 4 comments · Opened Sep 15, 2026
Runaway number of federated sessions Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

strukturag/nextcloud-spreed-signaling#1313 · 5 comments · Opened Sep 11, 2026
`heif-enc -e aom -p chroma=400` gives "Error: Invalid parameter value" Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

strukturag/libheif#1894 · 4 comments · Opened Aug 27, 2026
Clustered setup: participants update from a server that does not know the room users removes clients from the call Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

strukturag/nextcloud-spreed-signaling#1305 · 9 comments · Opened Aug 24, 2026
Add cmake flag to disable sequences support Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

strukturag/libheif#1880 · Opened Jul 28, 2026
Nextcloud Talk 24.0.3 issues a warning of a missing feature_changed_users Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

strukturag/nextcloud-spreed-signaling#1283 · 12 comments · 13 reactions · Opened Jul 24, 2026
Add another example to demonstrate in-place edits Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

strukturag/libheif#1877 · Opened Jul 23, 2026
Viewing Hyperspectral Imagery Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1870 · 2 comments · Opened Jul 16, 2026
Uncompressed Codec still Experimental? Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

strukturag/libheif#1869 · 1 comment · Opened Jul 16, 2026
tili images is not conformant to ISO IEC 23008-12:2025 Amd 2 (published 2026) Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

strukturag/libheif#1865 · 2 comments · Opened Jul 11, 2026
heif_decode_image stops at the first decoded picture for cumulative HEVC image items Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

strukturag/libheif#1863 · 6 comments · Opened Jul 10, 2026
bitstream NCLX is visible to RGB client that set output_image_nclx_profile_passthrough Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

strukturag/libheif#1855 · 1 comment · Opened Jun 27, 2026
FFmpeg decoder plugin build failure when building as separate plugin Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

strukturag/libheif#1854 · Opened Jun 27, 2026
gpu offload support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

strukturag/nextcloud-spreed-signaling#1264 · 1 reaction · Opened Jun 8, 2026
Missing tune=iq SVT-AV1 encoder parameter Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

strukturag/libheif#1835 · 1 comment · Opened Jun 5, 2026
AV2 Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1834 · 4 comments · 1 reaction · Opened Jun 3, 2026
Decode into and encode from linear floating point framebuffers Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1831 · 3 comments · Opened May 30, 2026
APIs for direct image item payload access Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1814 · 2 comments · Opened May 20, 2026
Hardware acceleration Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

strukturag/libheif#1793 · 5 comments · 1 reaction · Opened May 12, 2026
heif decoding performance expectations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

strukturag/libheif#1787 · 24 comments · Opened May 5, 2026
Request CVE assignment for published advisory GHSA-rmcx-47cq-6hhq Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

strukturag/libheif#1772 · Opened Apr 25, 2026
heif-dec corrupts colors of original Sony camera .HIF file when converting to any output format Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

strukturag/libheif#1770 · 22 comments · Opened Apr 23, 2026
Static libde265 not properly linked in libheif static build on MXE Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

strukturag/libheif#1756 · 4 comments · Opened Apr 9, 2026
Direct leak in dav1d decoder Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

strukturag/libheif#1753 · 1 comment · Opened Apr 8, 2026
Improve fuzzing corpus Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1751 · 5 comments · Opened Apr 7, 2026
heif_track_decode_next_image hangs with de265 decoder on intra-only HEIC sequence Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

strukturag/libheif#1744 · Opened Mar 25, 2026
gdk-pixbuf: Plugin announces AVIF support even if no AV1 decoder is available Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

strukturag/libheif#1738 · Opened Mar 21, 2026
Document new WebVMT video metadata features in Wiki Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

strukturag/libheif#1736 · Opened Mar 18, 2026
Support for UUID box? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

strukturag/libheif#1735 · 1 comment · Opened Mar 18, 2026
gdk-pixbuf: Ignores HLG and gives incorrect, dull output Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1728 · 15 comments · Opened Mar 15, 2026
Use libaom's AOM_TUNE_IQ by default Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

strukturag/libheif#1725 · 10 comments · 1 reaction · Opened Mar 4, 2026
Traefik config missing? Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

strukturag/nextcloud-spreed-signaling#1210 · 1 comment · Opened Mar 1, 2026
Feature Request: Decode Arbitrary Frame Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

strukturag/libheif#1701 · 1 comment · Opened Feb 17, 2026
Build fails with svt-av1 4.0.1: `encoder_svt.cc: error: 'SvtAv1PredStructure' has not been declared` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

strukturag/libheif#1696 · 1 comment · 1 reaction · Opened Feb 9, 2026
Libheif's cmake does not provide its own library dependencies to build libheif examples (-DWITH_EXAMPLES=on) Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

strukturag/libheif#1694 · Opened Feb 5, 2026
Apple iPhone's HEIC/HEIF gain maps (HDR support) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

strukturag/libheif#1685 · 1 comment · Opened Jan 27, 2026
Feature Request: Native WHIP support for professional stream ingestion (OBS, GStreamer, Hardware Encoders) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

strukturag/nextcloud-spreed-signaling#1176 · 1 comment · Opened Jan 18, 2026
Add `heic-enc` option to specify output bit-depth. Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

strukturag/libheif#1672 · 1 comment · Opened Jan 16, 2026
Get rid of list of all users in requests from Talk to the signaling server Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

strukturag/nextcloud-spreed-signaling#1173 · Opened Jan 13, 2026
libheif fails to read supposed 12-bit uncompressed HEIF that heif-enc just wrote Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

strukturag/libheif#1666 · 4 comments · Opened Jan 12, 2026
Multiple Components Inside Uncompressed Item Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

strukturag/libheif#1651 · 24 comments · Opened Dec 29, 2025
Whitelist an IP address for Nextcloud spreed signaling server Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

strukturag/nextcloud-spreed-signaling#1158 · Opened Dec 15, 2025
Expose SVT-AV1 parameter avif=1 in libheif for significantly lower memory usage when encoding still images Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

strukturag/libheif#1636 · 2 comments · Opened Dec 9, 2025
[Bug] StreamReader_istream fails on SMB/CIFS filesystems due to `tellg()` returning -1 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

strukturag/libheif#1632 · Opened Nov 22, 2025
Invalid read of size 2 in Op_YCbCr420_to_RRGGBBaa::convert_colorspace Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

strukturag/libheif#1626 · 1 comment · Opened Nov 14, 2025
Pass-through parameters to encoders Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

strukturag/libheif#1619 · 1 comment · Opened Nov 4, 2025
Dynamically adjust bandwidth while in call Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

strukturag/nextcloud-spreed-signaling#1098 · Opened Oct 22, 2025
ICC profile not saved with `--cut-tiles` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

strukturag/libheif#1599 · 2 comments · Opened Sep 13, 2025

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