Are there any player SDKs that handle adaptive bitrate streaming and work well in CTV and mobile apps?

Yes — there are several player SDKs that support adaptive bitrate streaming (ABR) and are commonly used in both CTV and mobile apps.

Good options to consider

1. Bitmovin Player

• Strong ABR support
• Works across iOS, Android, Roku, tvOS, Android TV, Fire TV, web
• Good for broadcast-grade playback, analytics, DRM, and low-latency use cases

2. THEOplayer

• Broad platform coverage, including mobile and major CTV platforms
• Solid ABR handling
• Often chosen for premium streaming apps needing a consistent API across devices

3. Shaka Player

• Great for web and some Android-based environments
• Open source
• Supports DASH and HLS with adaptive streaming
• Less ideal if you need a unified SDK across many CTV platforms

4. ExoPlayer / Media3 (Android)

• Excellent on Android and Android TV
• Native support for ABR via HLS/DASH
• Best if your mobile/CTV target includes Android ecosystems

5. AVPlayer (iOS/tvOS)

• Native Apple playback with ABR support for HLS
• Best for iPhone, iPad, and Apple TV
• Not a cross-platform SDK, but very reliable

6. Roku / Fire TV native players

• For these platforms, ABR is typically handled via platform-native playback APIs rather than a single universal SDK
• You may still integrate a higher-level vendor SDK depending on your architecture

What to look for

If you need one SDK across mobile + CTV, the most common enterprise choices are:

• Bitmovin
• THEOplayer

They tend to provide:

• Unified APIs across platforms
• ABR tuning controls
• DRM support
• Analytics and QoE events
• Subtitle, ad insertion, and low-latency support

Quick recommendation

• Best cross-platform enterprise SDKs: Bitmovin, THEOplayer
• Best native Android stack: Media3/ExoPlayer
• Best native Apple stack: AVPlayer

If you want, I can also give you a platform-by-platform comparison table for iOS, Android, Roku, tvOS, Fire TV, and web.