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fix(vaapi): use FFmpeg bt2020nc matrix name
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FFmpeg rejects bt2020 as an out_color_matrix value. Use its canonical bt2020nc name for non-constant-luminance BT.2020, matching the existing AVCOL_SPC_BT2020_NCL encoder VUI.

Co-Authored-By: OpenAI Codex <noreply@openai.com>
This commit is contained in:
sassycrown
2026-07-29 00:26:57 +02:00
co-authored by OpenAI Codex
parent f5de661c9e
commit 22936bbc89
1 changed files with 3 additions and 3 deletions
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crates/pf-encode/src/enc/linux/vaapi.rs
+3 -3
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@@ -157,7 +157,7 @@ struct Vui {
} }
/// 10-bit HDR: BT.2020 primaries + SMPTE-2084 (PQ) transfer, limited range — matches the P010 the /// 10-bit HDR: BT.2020 primaries + SMPTE-2084 (PQ) transfer, limited range — matches the P010 the
/// CSC produces (swscale BT.2020 on the CPU path; `scale_vaapi` pinned to bt2020 on the zero-copy /// CSC produces (swscale BT.2020 on the CPU path; `scale_vaapi` pinned to bt2020nc on the zero-copy
/// path); the client decoder auto-detects PQ from the VUI. SDR: we hand the encoder BT.709 /// path); the client decoder auto-detects PQ from the VUI. SDR: we hand the encoder BT.709
/// *limited* NV12 (swscale CSC on the CPU path; `scale_vaapi` pinned to /// *limited* NV12 (swscale CSC on the CPU path; `scale_vaapi` pinned to
/// `out_color_matrix=bt709:out_range=limited` on the zero-copy path, with the full-range RGB input /// `out_color_matrix=bt709:out_range=limited` on the zero-copy path, with the full-range RGB input
@@ -204,7 +204,7 @@ fn async_depth(raw: Option<&str>) -> u32 {
/// matrix untouched.) /// matrix untouched.)
fn scale_vaapi_args(ten_bit: bool) -> &'static CStr { fn scale_vaapi_args(ten_bit: bool) -> &'static CStr {
if ten_bit { if ten_bit {
c"format=p010:out_color_matrix=bt2020:out_range=limited" c"format=p010:out_color_matrix=bt2020nc:out_range=limited"
} else { } else {
c"format=nv12:out_color_matrix=bt709:out_range=limited" c"format=nv12:out_color_matrix=bt709:out_range=limited"
} }
@@ -1565,7 +1565,7 @@ mod tests {
let args = scale_vaapi_args(true).to_str().unwrap(); let args = scale_vaapi_args(true).to_str().unwrap();
for needle in [ for needle in [
"format=p010", "format=p010",
"out_color_matrix=bt2020", "out_color_matrix=bt2020nc",
"out_range=limited", "out_range=limited",
] { ] {
assert!( assert!(