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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, and this project adheres to Semantic Versioning.

[0.9.0] - 18-08-2026

Fixed

  • Detect when an encoded frame overflows its bitstream buffer and report it instead of reading out of bounds, preventing a segfault on large scene-cut frames.
  • Scale the H.264/H.265 bitstream buffer by resolution so a single frame can't overflow the fixed minimum.

[0.8.1] - 02-08-2026

Fixed

  • Check for VK_EXT_ycbcr_2plane_444_formats support before enabling it, so device creation succeeds on devices without the extension. (#29, @DatCaptainHorse)

[0.8.0] - 02-08-2026

Added

  • Add ColorDescription::with_full_range and ColorDescription::is_hdr. (#30, @lutyjj)

[0.7.2] - 2026-07-29

Fixed

  • Acquire the queue family on the first DMA-BUF import. (#25, @schlegp)
  • Fix AV1 encoding on AMD RADV — layered DPB, converter layout barrier, GOP clamping. (#27, @schlegp)
  • Skip encode timestamp queries on unsupported queues; guard timestamp_query_pool destruction. (#28, @schlegp)

[0.7.1] - 2026-07-21

Fixed

  • ColorDescription::bt709() now defaults to full_range: false - BT.709 quantization per ITU-R BT.709-6 is limited (studio) range [16–235], not full range. Previously defaulted to full_range: true, which caused washed-out SDR blacks when clients decoded as limited range. Fixed in #24
  • ColorConverterConfig::new() now defaults to full_range: false to match the BT.709 standard and the ColorDescription::bt709() default. (#24)

[0.7.0] - 2026-06-26

Added

  • Encode pipelining with timeline semaphores by @urwrstkn8mare in #21
  • Async push-based encode readback on a dedicated completion thread by @urwrstkn8mare in #21
  • Reference frame invalidation (RFI) for H.264/H.265/AV1; AV1 multi-reference prediction by @urwrstkn8mare in #21

Changed

  • Unified per-codec encoders into generic CodecEncoder<C> with shared EncoderCommon by @urwrstkn8mare in #21

[0.6.0] - 2026-06-12

Added

  • CI check for README.md consistency in GitHub Actions workflow.

Changed

  • Cleaner p_next chain handling — replaced manual pointer arithmetic with safer extend-based construction across H.265 init, session parameters, resources, and Vulkan utilities.

Fixed

  • AV1 reference-frame handling — corrected reference frame list population and cleared clippy warnings.
  • AV1 CBR/VBR modes no longer set min_q_index/max_q_index, which are incompatible with those rate-control modes.
  • Missing rate-control push entries in VkVideoCodingControlInfoKHR for H.264, H.265, and AV1 encoders.
  • AV1 init now uses extend for proper VkVideoEncodeInfoKHR construction.

[0.5.0] - 2026-06-09

Added

  • Bt709LinearToBt2020Pq color space — converts linear BT.709 (scRGB, FP16) to BT.2020+PQ via gamut mapping + PQ OETF. Used for HDR games that present with VK_COLOR_SPACE_EXTENDED_SRGB_LINEAR_EXT. sdr_reference_white_nits controls the tone-mapping scale (80 nits per IEC 61966-2-2).
  • set_sdr_reference_white_nits() — dynamically updates the SDR reference white level via push constants without recreating the pipeline.

[0.4.0] - 2026-06-05

Added

  • shader/ directory — contains GLSL source (color_convert.comp), compile script (compile.sh), precompiled SPIR-V (color_convert.spv), and documentation (README.md).
  • Shader development workflow documented in README.md.

Removed

  • shaderc dependency — shaders are now precompiled to SPIR-V and embedded at build time via include_bytes!. No glslc or Vulkan SDK required to build the crate.
  • build.rs — no longer needed since shaders are precompiled.
  • shader.rs — SPIR-V constant and get_spirv_code() moved to pipeline.rs.