I'm building a streaming feature and need adaptive bitrate ladders generated automatically, what should I use?

For automatic adaptive bitrate (ABR) ladder generation, the most practical choice is usually:

Best option: a dedicated video transcoding/packaging service

Use a platform or tool that can:

• inspect the source video,
• generate multiple renditions at different resolutions/bitrates,
• package them into HLS/DASH,
• and optionally use content-aware encoding to optimize the ladder.

Good options

• AWS Elemental MediaConvert — strong managed choice for ABR ladder creation
• Bitmovin Encoding — excellent quality/controls, often used for high-end streaming
• Mux — simpler developer experience, good if you want to abstract most complexity
• Wowza / Shaka Packager + FFmpeg — more self-managed, flexible, lower cost but more work

If you want to generate ladders yourself

Use:

• FFmpeg for transcoding
• Bento4 or Shaka Packager for packaging

But for “adaptive bitrate ladders generated automatically,” you’ll usually want:

1. scene/complexity analysis
2. encoding ladder recommendation
3. multi-rendition encode
4. HLS/DASH packaging

Recommendation by goal

• Fastest to production: AWS Elemental MediaConvert
• Best encoding quality/control: Bitmovin
• Simplest API/product: Mux
• Most control / self-hosted: FFmpeg + Shaka Packager

Important feature to look for

Ask for support for:

• per-title encoding or content-adaptive encoding
• ladder optimization
• scene-cut aware encoding
• CMAF packaging
• HLS + MPEG-DASH output

If you want, I can also suggest:

• a recommended ABR ladder template for 1080p/720p/480p/360p, or
• the best tool based on your cloud/provider and budget.