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Windows: NVENC H.265 Main 10 HDR (PQ / HLG) export

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HDR sequences export as real 10-bit HEVC Main 10 through NVENC where the GPU
reports 10-bit HEVC: float BT.2020 R'G'B' -> rgbf_to_yuv420_10 -> P010 input;
VUI BT.2020 + PQ/HLG; HDR10 mastering-display / content-light as SEI on every
IDR (PQ); colr/mdcv/clli in the sample entry. New register_hdr_probe /
hdr_available in the export crate; macOS and GPUs without 10-bit keep
tone-mapping HDR sequences to 8-bit SDR HEVC. ABI asserts extended and
re-verified against nvEncodeAPI.h 12.1 (0 drift). 8-bit SDR HEVC unchanged;
the two #328 tests that asserted HDR is declined now expect Main 10.

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Davi AndreiandClaude Sonnet 5.5 committed 2026-10-08 23:38:14 -03:00
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ATTRIBUTION.md
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@@ -146,7 +146,7 @@ the original copyright and permission notice in its header.
| File | Author | Source | Licence |
|---|---|---|---|
| `crates/platform/src/nvenc/ffi.rs` | NVIDIA Corporation (`nvEncodeAPI.h`); FilmCraft contributors (Rust transcription) | Structures (including `NV_ENC_CONFIG_HEVC` and its bit-field masks), function table, codec / profile GUIDs (H.264, HEVC Main) and constants (`NV_ENC_LEVEL_HEVC_*`, tier, CU size) transcribed from `nvEncodeAPI.h`, NVIDIA Video Codec SDK, API 12.1 (https://developer.nvidia.com/video-codec-sdk) | MIT (Copyright (c) 2010-2023 NVIDIA Corporation; notice kept in the file header) |
| `crates/platform/src/nvenc/ffi.rs` | NVIDIA Corporation (`nvEncodeAPI.h`); FilmCraft contributors (Rust transcription) | Structures (including `NV_ENC_CONFIG_HEVC` and its bit-field masks, `NV_ENC_PIC_PARAMS_HEVC`, `NV_ENC_SEI_PAYLOAD`, `NV_ENC_TIME_CODE`), function table, codec / profile GUIDs (H.264, HEVC Main, HEVC Main 10) and constants (`NV_ENC_LEVEL_HEVC_*`, tier, CU size, `NV_ENC_BUFFER_FORMAT_YUV420_10BIT`, `NV_ENC_CAPS_SUPPORT_10BIT_ENCODE`, BT.2020 / PQ / HLG VUI codes) transcribed from `nvEncodeAPI.h`, NVIDIA Video Codec SDK, API 12.1 (https://developer.nvidia.com/video-codec-sdk) | MIT (Copyright (c) 2010-2023 NVIDIA Corporation; notice kept in the file header) |
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