Chapter 732: Track Transformation

Core Idea

:::warning We are phasing out Remotion WebCodecs and are moving to Mediabunny!

Key Concepts

• Using the defaults
• Choosing codecs
• Handle each track individually
• Checking if a track can be copied
• Checking if a track can be re-encoded
• Asynchronously determining action
• Decide behavior upfront
• Falling back to default

Code Examples

await convertMedia({
  src: 'https://remotion.media/BigBuckBunny.mp4',
  container: 'webm',
});

• What it demonstrates: Usage pattern for Track Transformation from the official docs.

Key Takeaways

1. Understand using the defaults when working with Track Transformation.
2. Understand choosing codecs when working with Track Transformation.
3. Understand handle each track individually when working with Track Transformation.
4. Understand checking if a track can be copied when working with Track Transformation.
5. Understand checking if a track can be re-encoded when working with Track Transformation.

Connects To

• Buffer Writer: related page in the WebCodecs (@remotion/webcodecs) section.
• can Copy Audio Track: related page in the WebCodecs (@remotion/webcodecs) section.
• can Copy Video Track: related page in the WebCodecs (@remotion/webcodecs) section.