Calculations with SMPTE timecode

Questions & Suggestions
2

This macro so do the trick.
The calculations are complicated enough that it makes sense to me to do this in script, JXA in this case.

Please let us know if you have any further questions.

updated 2018-03-20 22:25 GMT-0500

Version 1.1

  • Fixed Bug in secToSMPTE() function caused by JavaScript round-off error
  • Added Math Action option for "ADD" or "SUBTRACT"
  • Result TimeCode is now put on Clipboard

Example Output

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MACRO:   Add or Subtract SMPTE TimeCode Strings [Example]


#### DOWNLOAD:
<a class="attachment" href="/uploads/default/original/3X/e/d/ed0c186f09ab649120863a560641751334b07f37.kmmacros">Add or Subtract SMPTE TimeCode Strings [Example].kmmacros</a> (14 KB)
**Note: This Macro was uploaded in a DISABLED state. You must enable before it can be triggered.**

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### ReleaseNotes

Author.@JMichaelTX

**PURPOSE:**

* **Add SMPTE TimeCode Strings**

**REQUIRES:**

1. **KM 8.0.2+**
  * But it can be written in KM 7.3.1+
  * It is KM8 specific just because some of the Actions have changed to make things simpler, but equivalent Actions are available in KM 7.3.1.
.
2. **macOS 10.11.6 (El Capitan)**
  * KM 8 Requires Yosemite or later, so this macro will probably run on Yosemite, but I make no guarantees.  :wink: 

**NOTICE: This macro/script is just an _Example_**

* It has had very limited testing.
* You need to test further before using in a production environment.
* It does not have extensive error checking/handling.
* It may not be complete.  It is provided as an example to show you one approach to solving a problem.

**How To Use**

1. Trigger this macro.
  * It will then Prompt you for TimeCode values and frame rate.
  * Results will be shown in KM Display Window.

**MACRO SETUP**

* **Carefully review the Release Notes and the Macro Actions**
  * Make sure you understand what the Macro will do.  
  * You are responsible for running the Macro, not me.  ??
.
1. Assign a Trigger to this maro..
2. Move this macro to a Macro Group that is only Active when you need this Macro.
3. ENABLE this Macro.
.
* **REVIEW/CHANGE THE FOLLOWING MACRO ACTIONS:**
(all shown in the magenta color)
  * Prompt for User Input:  Conform/Change Default values

TAGS: @JXA @SMPTE @TimeCode @Date @Time

USER SETTINGS:

* Any Action in _magenta color_ is designed to be changed by end-user

ACTION COLOR CODES

* To facilitate the reading, customizing, and maintenance of this macro,
      key Actions are colored as follows:
* GREEN   -- Key Comments designed to highlight main sections of macro
* MAGENTA -- Actions designed to be customized by user
* YELLOW  -- Primary Actions (usually the main purpose of the macro)
* ORANGE  -- Actions that permanently destroy Variables or Clipboards,
OR IF/THEN and PAUSE Actions


**USE AT YOUR OWN RISK**

* While I have given this limited testing, and to the best of my knowledge will do no harm, I cannot guarantee it.
* If you have any doubts or questions:
  * **Ask first**
  * Turn on the KM Debugger from the KM Status Menu, and step through the macro, making sure you understand what it is doing with each Action.

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![image|478x1448](upload://jIxOne9S5OarBuu5ooqUgNjc3tc.jpg)
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