xiph/rav1e

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The fastest and safest AV1 encoder.

Stars: 4.2k
Forks: 292
Open beginner issues: 0
Indexed issues: 210
Avg merge: 6d 1h
Merged PRs (30d): 2

Dominant language: Assembly
License: BSD-2-Clause
Last GitHub push: Aug 31, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

Open All

210 open issues indexed

Please provide a contact for disclosing memory safety issues Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

xiph/rav1e#3469 · 2 comments · Opened May 5, 2026
Tests rely on deprecated `assert_cmd::cargo_bin` which will break on future Cargo versions Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

xiph/rav1e#3459 · Opened Dec 18, 2025
suspicious discarding of buffer Open

bug

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

xiph/rav1e#3455 · 1 comment · Opened Oct 3, 2025
GPU Support? Open

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

xiph/rav1e#3445 · 1 comment · Opened Jun 29, 2025
chroma_offset for 4:4:4 looks suspicious Open

bug

xiph/rav1e#3444 · 3 comments · 1 reaction · 1 assignee · Opened Jun 24, 2025
Panic on basic encode of rgb48, 12 bpc images within ffmpeg Open

bug

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

xiph/rav1e#3435 · 1 comment · Opened Jun 1, 2025
Overflow, detected by running in debug mode Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3434 · Opened May 29, 2025
Release Windows arm64 binaries Open

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

xiph/rav1e#3425 · 3 reactions · Opened Apr 22, 2025
Adding hardware accelerated `nvenc` within `rav1e` under a feature flag Open

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

xiph/rav1e#3423 · 5 comments · Opened Apr 17, 2025
Issues with rav1e C-API: Bitrate, rdo_lookahead_frames, Tiles, and Threads Not Behaving as Expected Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3416 · Opened Mar 13, 2025
changelog defunct and useless repetitive builds (same hash) Open

bug

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

xiph/rav1e#3413 · 1 comment · Opened Feb 23, 2025
can't compile with `-Zfmt-debug=none` Open

bug

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

xiph/rav1e#3409 · Opened Jan 6, 2025
We should stop relying on debs Open

bug

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

xiph/rav1e#3408 · Opened Dec 26, 2024
ClobberWarning when installing with conda Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3406 · 1 comment · Opened Dec 3, 2024
Add public API to return global headers for inclusion in containers Open

enhancement

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

xiph/rav1e#3405 · Opened Nov 29, 2024
[Feature] RISC-V asm optimization Open

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

xiph/rav1e#3402 · 1 comment · Opened Oct 20, 2024
Fails to build for aarch64-pc-windows-gnullvm target due to invalid target triple getting passed to clang Open

bug

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

xiph/rav1e#3393 · 1 comment · Opened Aug 10, 2024
Process killed with `illegal hardware instruction` on Apple M1 Open

bug

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

xiph/rav1e#3392 · 2 comments · Opened Jul 24, 2024
Question about Encoding Speed Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

xiph/rav1e#3390 · 1 comment · Opened Jul 16, 2024
Not possible to change bitrate and other encoder configuration without creating a new encoder context Open

bug

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

xiph/rav1e#3382 · Opened May 22, 2024
Add support for variable framerate encodings Open

bug

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

xiph/rav1e#3381 · 1 comment · Opened May 22, 2024
cargo installation - Permission denied Open

bug

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

xiph/rav1e#3375 · 1 comment · Opened Apr 10, 2024
blocks placed at incorrect position or time Open

bug

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

xiph/rav1e#3372 · 5 comments · Opened Apr 2, 2024
Codecov upload from CI is broken Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

xiph/rav1e#3365 · Opened Mar 12, 2024
Add WASM tests to CI Open

CI

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

xiph/rav1e#3363 · 2 comments · Opened Mar 12, 2024
Feature desync_finder does not compile Open

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

xiph/rav1e#3360 · Opened Mar 10, 2024
Request to have option to set Pixel aspect ratio Open

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

xiph/rav1e#3350 · Opened Feb 16, 2024
Can't build v0.7.0 on Alpine Linux Open

bug

xiph/rav1e#3338 · 10 comments · 1 assignee · Opened Jan 9, 2024
How is SizeClass1D::X4 initializing row_coeffs? Open

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

xiph/rav1e#3272 · 1 comment · Opened Oct 21, 2023
key_frame_interval capi option inconsistently named with cli Open

bug

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

xiph/rav1e#3267 · Opened Oct 17, 2023
call_inverse_func incorrectly shortens width Open

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

xiph/rav1e#3258 · 2 comments · Opened Sep 30, 2023
sad_32x32 and 64x64 AVX2 has poor cache locality Open

speed performance

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

xiph/rav1e#3247 · 3 comments · Opened Jul 25, 2023
Cannot build on macOS with arm clips Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3226 · 2 comments · Opened Jun 5, 2023
Advanced commands do not seem to work Open

bug

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

xiph/rav1e#3196 · 1 comment · Opened May 6, 2023
Rav1e wrong mastering display information and HDR data Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3173 · Opened Mar 23, 2023
Unsafe bounds checking is off-by-one in `sgrproj_box_ab_internal` Open

bug

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

xiph/rav1e#3161 · Opened Mar 18, 2023
Dependency Dashboard Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

xiph/rav1e#3157 · Opened Mar 14, 2023
crash in rav1e_config_unref() after upgrade from v0.5.1 to v0.6.3 Open

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

xiph/rav1e#3154 · Opened Mar 13, 2023
rav1e.exe --content-light (0,0) "thread 'main' panicked" Open

bug

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

xiph/rav1e#3148 · 4 comments · Opened Mar 11, 2023
Fix showing supported values for matrix, primaries, etc. when running `--help` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

xiph/rav1e#3146 · Opened Mar 8, 2023
Values clarification Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3145 · 4 comments · Opened Mar 7, 2023
Does the rav1e codec library support 32-bit? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

xiph/rav1e#3140 · 1 comment · Opened Feb 24, 2023
Fails to build for target minimum MacOS target when MACOSX_DEPLOYMENT_TARGET is set Open

bug

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

xiph/rav1e#3080 · 6 comments · Opened Dec 11, 2022
Add Rust-native implementation matching available dav1d assembly Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 18/100

xiph/rav1e#3077 · 1 comment · Opened Dec 4, 2022
Make the "git" cargo module optional for releases Open

enhancement

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

xiph/rav1e#3072 · 8 comments · Opened Dec 1, 2022
Support for constrained quality Open

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

xiph/rav1e#3046 · Opened Oct 24, 2022
[MinGW] Potential build problem with MSYS2 Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 35/100

xiph/rav1e#3040 · 1 comment · Opened Oct 17, 2022
rav1e_config_set_sample_aspect_ratio() from the C api silently accepts unsupported values Open

bug

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

xiph/rav1e#3037 · 1 comment · Opened Oct 15, 2022
Code initial_display_delay_minus_1 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

xiph/rav1e#3032 · Opened Oct 3, 2022
0.5.1: test failures on ppc64el Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

xiph/rav1e#3021 · 3 comments · Opened Sep 17, 2022

xiph/rav1e

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