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av1enc: inline the DCT stage helpers so const-generic sizes fold through them

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The strict-clippy split of inverse_dct (#2496) passes n at run time; inlining keeps
inverse_dct_n's compile-time sizes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
bflatastic
2026-10-29 23:15:48 +07:00
co-authored by Claude Opus 5.5
parent d1b736c594
commit c99b20cac3
1 changed files with 2 additions and 0 deletions
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crates/av1enc/src/transform.rs
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@@ -80,6 +80,7 @@ fn inverse_dct_n<const N: u32>(t: &mut [i32], r: u32) {
}
/// Rotate the high-frequency branches before the four-point core.
#[inline(always)]
fn inverse_dct_initial_stages(t: &mut [i32], n: u32, r: u32) {
if n >= 5 {
for i in 0..8 {
@@ -116,6 +117,7 @@ fn inverse_dct_initial_stages(t: &mut [i32], n: u32, r: u32) {
}
/// Evaluate the four-point core and merge progressively larger branches.
#[inline(always)]
fn inverse_dct_final_stages(t: &mut [i32], n: u32, r: u32) {
for i in 0..2 {
bf(t, 2 * i, 2 * i + 1, 32 + 16 * i as i32, i == 0);