REGRESSION 33070→33230: moviefileinTOP ~12s hiccups ; smooth on 33070 (Windows)

Bugs
1

Hi,

Regression: 2025.33070 = smooth. 2025.33230 = broken. Same HICCUPS.toe, same source @ 120 fps, same machine (AMD Ryzen 9 9950x - RTX4070ti)

I’m seeing a consistent playback issue on 2025.33230 / Windows with the minimal setup below. Same files play perfectly in Resolume Alley, VLC, and TD 2025.33070.

Setup: HICCUPS.toe — moviefileinTOP → nullTOP, sequential speed 1.0, Real-Time ON, timeline 120 fps, file 120 fps (confirmed via mediafileinfoDAT). Tested in Perform with V-Sync on/off.

Symptom: Obvious 1–2 frame hitch every ~12 seconds (≈1440 frames @ 120 fps). Not random. Also visible in moviefileoutTOP recordings played back in Alley. On 33230, Perform window shows persistent horizontal seam (lower portion shifted ~2–3 px left); absent on 33070.

Codecs tested (all smooth in Alley/VLC/33070, all hiccup in 33230):

  • HEVC (original source @ 120 fps — primary)
  • HAP
  • ProRes 422 LT (Shutter Encoder, external)

GPU: NVIDIA RTX 4070 Ti SUPER, driver 616.56, Windows 10.0.26200. GPU assignment / HAGS / NVIDIA control panel / AMD iGPU disable — all tried, no change. No TDR events in Event Viewer.

Tune tried: preread 60–120, frametimeoutstrat playback, hwdecode on/off, highperfread on/off, maxdecodecpus 8 — no change.

Attached zip contains:

  • HICCUPS.toe
  • HEVC source clip @ 120 fps (smooth in Alley)
  • TD 33230 moviefileout recording (hiccups baked in)

Can you identify what changed between 33070 and 33230 in moviefilein/Perform playback?

Thanks,

Files are here : BUG_REPORT.zip

jp

2

Thanks for the report, I’ll take a look at this.