Sone385engsub Convert020002 Min Fixed 〈SECURE Solution〉

Document the function in your API reference, noting that it does not perform any locale‑specific transformations; it works purely on ASCII digits.

If DTS/PTS wrap or negative timestamps exist, normalize PTS:

ffmpeg -i "input.mkv" -avoid_negative_ts 1 -fflags +genpts -c copy "fixed.mkv"

If you must change length (trim/pad) to exactly 20:00.02:

Practical tips:

Below is language‑agnostic pseudocode that captures the essence of the conversion: sone385engsub convert020002 min fixed

function convert020002_min_fixed(input):
    # 1. Normalise input to a string
    raw = toString(input).trim()
# 2. Validate that the raw string is exactly 6 digits
    if not matchesRegex(raw, "^[0-9]6$"):
        raise ValueError("Input must be a six‑digit numeric code")
# 3. Split into logical parts (optional, for readability)
    category    = raw[0:2]   # 02
    subcategory = raw[2:4]   # 00
    version     = raw[4:6]   # 02
# 4. Re‑assemble as a fixed‑width (6‑char) string
    #    In many legacy systems the field must be left‑padded with zeros.
    fixed = category + subcategory + version   # already 6 chars
# 5. Return the fixed‑width result (could also be bytes)
    return fixed

The core idea is straightforward: validate → split (optional) → re‑assemble. The split step is useful when you need to manipulate individual parts (e.g., map 02 to a textual label), but it can be omitted if you only need the raw 6‑character output. Document the function in your API reference, noting