Key takeaways
- Casting sends a URL to the TV, not the video file itself.
- It works alongside your mobile app without needing a separate TV build.
- Users keep control on their phone while the TV plays the video.
- Supporting casting requires enabling the cast button in your video player.
How Chromecast (Casting) works
When a user taps the cast icon in your mobile app, the app sends a video URL to the Chromecast device. The TV then connects directly to your video server to stream the content. The phone acts as a remote control for play, pause, and seek functions. The video stream does not pass through the phone, which saves mobile data and battery life.
This process relies on the Google Cast SDK. Your app must be built with this SDK to detect available devices on the local network. Once connected, the TV handles the decoding and playback. If the user switches apps on their phone, the video continues playing on the TV. This separation of control and playback is the core mechanism of casting.
- Phone sends URL to TV
- TV streams video directly from server
- Phone controls playback via local network
Why Chromecast (Casting) matters for a streaming business
Many users prefer watching video on a TV screen. Casting lets you serve this audience without building a dedicated Android TV or Apple TV app. It lowers the barrier to entry for users who do not want to install new software on their TV. You can reach viewers who already have a Chromecast stick or built-in support in their smart TV.
For operators, casting extends the life of your mobile app. It provides a secondary viewing mode that increases session length. Users can start on their phone and cast to the TV for a more comfortable experience. This is particularly useful for live events or long-form content where holding a phone is tiring. Supporting casting signals that your platform is user-friendly and compatible with common home entertainment setups. It also reduces support tickets related to screen mirroring issues, as casting is a standardized protocol rather than a screen copy.
Chromecast (Casting) vs AirPlay
Chromecast and AirPlay serve similar purposes but use different protocols and ecosystems. Chromecast is developed by Google and works with Android, iOS, and web browsers. AirPlay is an Apple technology that works with iOS, macOS, and some Android apps. The key difference is how they handle the video stream. Chromecast sends a URL to the TV, which then streams the video. AirPlay can either send a URL or mirror the screen directly. Screen mirroring consumes more bandwidth and can cause lag. URL-based casting is more efficient for long videos.
| Feature | Chromecast | AirPlay |
|---|---|---|
| Primary Ecosystem | Android, iOS, Web | Apple Devices |
| Stream Method | URL-based | URL or Screen Mirror |
| Bandwidth Use | Lower | Higher if mirroring |
| TV Support | Android TV, Smart TVs | Apple TV, Smart TVs |
| Control | Phone as Remote | Phone as Remote |
Common mistakes with Chromecast (Casting)
Developers often overlook casting during the initial build phase. Here are frequent errors to avoid:
- Ignoring the Cast Icon: If the button is missing, users cannot cast. Make sure the SDK is properly integrated.
- Poor Error Handling: If the TV is offline, the app should show a clear message. Silent failures confuse users.
- Audio Sync Issues: Mismatched audio and video can occur if the network is unstable. Test on weak Wi-Fi connections.
- Forgetting DRM Compatibility: Some DRM systems do not work well with casting. Verify your DRM provider supports the Cast protocol.
- Not Testing on iOS: Casting works on iOS, but the user experience differs from Android. Test both platforms thoroughly.
How Flicknexs handles Chromecast (Casting)
Flicknexs supports casting through its mobile apps for iOS and Android. The video player includes a cast button that works with standard Chromecast devices. This allows your subscribers to stream content to their TVs using the mobile app as a remote. The platform uses standard protocols to make sure compatibility with common TV hardware. You can enable this feature within your app configuration. It works alongside your existing video on demand and live streaming services. This gives users flexibility in how they watch your content. Check the OTT app builder page for details on enabling casting in your white-label app.
Done reading about Chromecast?
Flicknexs ships it as part of a white-label streaming platform: web, mobile and TV apps, billing, ads, DRM and playout, on your own domain.