Adobe clarifies Scene7 URL limits for Dynamic Media video renditions
Adobe has issued technical guidance clarifying that Scene7 URL query parameters do not support dynamic video re-encoding or rendition selection in AEM Dynamic Media. Engineers are advised to use published rendition URLs or adaptive manifests for HLS and DASH playback to ensure correct asset delivery.
Key Takeaways
- Scene7 URL query parameters like '-0x1280-2500k' or 'fmt=video' fail to trigger dynamic encoding and only return the original asset.
- Engineers must use full published URLs that include the rendition name within the file path or filename for static delivery.
- Adaptive Video Profiles require HLS (.m3u8) or DASH (.mpd) manifests to enable automatic bitrate switching during playback.
- Manual verification of video profile processing is required to confirm that Dynamic Media has generated the necessary rendition files.
Why It Matters
This technical clarification highlights a critical constraint for developers managing high-volume asset libraries within Adobe Experience Manager. By confirming that query parameters do not support on-the-fly re-encoding, Adobe is pushing teams toward more standardized adaptive streaming workflows using HLS and DASH. This shift reduces the risk of serving oversized original files to mobile users, which can degrade performance and increase egress costs. As streaming infrastructure becomes more fragmented, maintaining strict adherence to manifest-based delivery is essential for cross-platform compatibility. Watch for future updates to the Scene7 API that might offer more flexible URL-based transformations for video, similar to existing image processing capabilities.
Read full article at experienceleague.adobe.com
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