SVT-AV1 Deep Dive — preset/CRF benchmark methodology

Large-scale SVT-AV1 benchmark (thousands of encodes) across presets and CRF using SSIMULACRA2 and XPSNR with documented harmonic-mean methodology.

Link

Related resources

  • Making the rav1d Video Decoder 1% FasterDetailed performance teardown of the Rust rav1d AV1 decoder versus C dav1d, walking through profiling and codegen-level fixes.
  • aom_analyzerCLI AV1 bitstream analyzer for inspecting sequence, frame, tile, and superblock structure of AOM AV1 streams.
  • av1parserRust AV1 bitstream parser that dissects OBU/header structure for low-level stream inspection (not a full decoder).
  • codec-evalRust codec comparison harness computing SSIMULACRA2 and Butteraugli for dual-metric artifact analysis across encoders.
  • Av1anCross-encoder command-line orchestrator for AV1/H.264/H.265/VP9 encoding. Splits input by scene detection, dispatches chunks in parallel ac…
  • SVT-AV1 documentation treeCanonical SVT-AV1 docs covering encoder parameters, build guide, encoder design and per-tool appendices for CDEF, CfL, film grain, global m…
  • Xilinx/AMD Video SDK — on-prem getting started (Alveo U30)Official docs for deploying the Alveo U30 video acceleration stack: XRT, the XRM resource manager and FFmpeg/GStreamer plugins with the XMA…
  • Qencode Transcoding API referenceREST API documentation for Qencode cloud transcoding covering HLS/DASH/MP4 outputs, H.264/H.265/VP9, DRM, thumbnails, subtitles and custom…
  • rigaya/QSVEncIntel QuickSync (QSV) hardware encoder CLI with transcoding plus quality/performance testing; Broadwell+ Linux/Windows packages.
  • nyanmisaka/ffmpeg-rockchipFFmpeg fork supporting Rockchip rkmpp hardware decode/encode and RGA scaling, Jellyfin-focused for RK35xx SoCs.
  • avm (AOM Video Model) — AV2 reference codecAOMedia's reference encoder/decoder for the next-gen AV2 codec (successor to AV1); experimental research codebase with first 1.0.0 tag.
  • codec-compare (WebM Project)Official WebM Project static front-end visualization framework for aggregating and presenting codec performance comparison data (AV1/AVIF/W…