Adding performance tuning

2026-05-12 20:22:05 +02:00
parent 4a24d3987f
commit 60e2f20b0f
3 changed files with 45 additions and 5 deletions
@@ -306,7 +306,9 @@ def build_ffmpeg_command(plan: RenderPlan, output_path: Path) -> list[str]:
    # Global thread limits before any -i. Without this, each format=rgba conversion
    # in the filter graph (one per video layer) spawns one swscaler thread per CPU core,
    # causing OOM on Apple Silicon where av_cpu_count() returns 10-11.
-    cmd.extend(["-threads", "1", "-filter_threads", "1"])
+    from .cache import get_ffmpeg_thread_count
+    _tc = str(get_ffmpeg_thread_count())
+    cmd.extend(["-threads", _tc, "-filter_threads", _tc])

    # Resolve paths to absolute
    project_path = plan.project_path.resolve()