media3-video-effects-lottie-muxer

name	media3-video-effects-lottie-muxer
description	Compact skill for Media3 video effects, Lottie effects, muxer/export decisions, and Transformer-adjacent processing boundaries.
license	Apache-2.0
metadata	{"author":"Shunnek Labs","version":"1.0","target_media3_version":"1.10.1","last_reviewed":"2026-05-24","keywords":["android","media3","effect","lottie","muxer","export"]}

Trigger

Use for media3-effect, media3-effect-lottie, media3-muxer, visual processing, overlays, effect export, or muxed output.

Rules

• Start with media3-transformer-editing when the task includes export.
• Pin Media3 to 1.10.1 through the version catalog.
• Keep effects/export code in Android source sets.
• Separate preview playback from final export; they can have different performance and fidelity constraints.
• Validate input/output container, audio preservation, frame rate, color, and device codec limits.
• Keep Lottie asset loading deterministic and bundled or cached.
• Track effect pipeline failures separately from playback failures.

Example

media3-effect = { module = "androidx.media3:media3-effect", version.ref = "media3" }
media3-effect-lottie = { module = "androidx.media3:media3-effect-lottie", version.ref = "media3" }
media3-muxer = { module = "androidx.media3:media3-muxer", version.ref = "media3" }

Do Not

• Do not apply expensive export effects directly inside Compose state updates.
• Do not assume preview output exactly matches final muxed output without validation.
• Do not mix processing errors into generic player analytics.

Related

• media3-transformer-editing
• media3-video-playback
• media3-inspector-metadata-thumbnails