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--- doc:appunti:linux:video:olive_editor_ovexml [2023/09/28 16:48] – niccolo
+++ doc:appunti:linux:video:olive_editor_ovexml [2023/09/28 18:03] (current) – [Proof of concept program] niccolo
@@ Line 2: / Line 2: @@
 **[[https://www.olivevideoeditor.org/|Olive Video Editor]]** is the most open video editor in the world. From its completely configurable render pipeline to its open source codebase, every aspect of it is designed to provide users with as much control as possible over both their work and their workflow.
+===== The project can be saved as an XML file =====
 A feature that I really apreciated is the ability to save the project file into an XML file (with the **.ovexml** extension). Being addicted to the **GNU/Linux command** line and **ffmpeg** I immediately tried to convert an Olive project into an ffmpeg script.
+===== A walk inside the OVEXML =====
 Here I explain some findings on an **OVEXML** file created with **Olive v.0.2**.
@@ Line 68: / Line 72: @@
 </code>
-The ASCII string **%%AwAAAAgAAAAFAAAABwAAAAYAAAA=%%** is actually a base64 encoded binary string that you can decode on the command line into binary:
+The ASCII string **%%AwAAAAgAAAAFAAAABwAAAAYAAAA=%%** is actually a base64 encoded binary string that you can decode on the command line into a binary file:
 <code bash>
@@ Line 81: / Line 85: @@
 Hence the timeline sequence of clip elements: #3, #8, #5, #7 and #6 (32 bit unsigned integers, little endian).
+===== Proof of concept program =====
+Here you can find my Python script that I used to parse an Olive Editor project file, the output is the ordered list of all the clips used, with the **footage filename**, the **start frame** and the **length** of the clip (in frames).
+**{{.:olive:olive-ovexml-list-clips-in-project.py.txt|olive-ovexml-list-clips-in-project.py}}**