Add and use Time::proportion_of().

1 files changed, 23 insertions, 0 deletions

diff --git a/hacks/hz.py b/hacks/hz.py
new file mode 100644
index 000000000..78951d101
--- /dev/null
+++ b/hacks/hz.py
@@ -0,0 +1,23 @@
+import math
+
+MAX_FPS = 30
+
+X = MAX_FPS
+for i in range(MAX_FPS - 1, 1, -1):
+    if (X % i) != 0:
+        X *= i
+
+for i in (36, 48, 60):
+    if (X % i) != 0:
+        X *= i
+
+print(f"Timebase: {X}")
+print(f"Bits: {math.log2(X)}")
+
+# 5 hours
+HOURS = 5
+print(f"{HOURS} hour film requires: {math.log2(X * HOURS * 60 * 60)} bits")
+
+for i in range(2, MAX_FPS + 1):
+    assert (X % i) == 0
+