Common Pitfalls and Solutions When Testing Mobile Video Ads
This article outlines typical issues such as unsupported video codecs and odd pixel dimensions that testers encounter with mobile video ads, and provides practical solutions including transcoding to H264, enforcing even resolution, and recommending useful tools like Format Factory and MediaInfo.
Background: As the value of mobile advertising rises, mobile video ads have become popular among advertisers. Testers often overlook critical aspects when testing these ads, leading to frequent problems.
Video Encoding Issue: Many testers are unaware that iOS, Android, and browsers do not support H265 (HEVC) playback. Without special handling, ads encoded in H265 result in black screens with only audio.
Solution: Transcode videos to H264 (AVC) to ensure compatibility across devices and platforms.
Video Pixel Issue: During transcoding, videos are resampled to even dimensions (e.g., 2×2). Videos with odd dimensions such as 720×405 cannot be processed, reproducing the black‑screen problem.
Solution: When uploading, force video dimensions to even numbers, converting odd‑pixel videos to even‑pixel ones.
Recommended Tools:
1. Format Factory – Allows arbitrary conversion of video codecs and modification of video pixel dimensions.
2. MediaInfo – Quickly displays video information, helping identify codec (HEVC/H265) and resolution details.
These tools help testers efficiently prepare and verify mobile video ad assets.
360 Quality & Efficiency
360 Quality & Efficiency focuses on seamlessly integrating quality and efficiency in R&D, sharing 360’s internal best practices with industry peers to foster collaboration among Chinese enterprises and drive greater efficiency value.
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