Video StreamingHLS & DASH Mocks• 5 min read

How to Mock and Inspect Streaming Video Manifests (.m3u8, .mpd)

Summary: Reroute high-bitrate video streams to test CDNs or inject custom manifest tags to verify player playback recovery and stream fallback behavior.

Why This Rule Matters for Developers & QA

Testing video player error states, multi-audio tracks, or subtitle sync requires custom manifest files. ProxyCeptor allows video QA teams to swap manifests on the fly.

Step-by-Step Implementation Guide

1

Match Video Stream URL

Enter pattern matching video playlists (e.g. `*.m3u8*` or `*.mpd*`).

2

Specify Test Manifest URL

Redirect the request to a test manifest containing multi-audio tracks or low-bitrate streams.

3

Inspect Player Adaptation

Use ProxyCeptor built-in HTML5 preview player to verify playback smoothness and bitrate switching.

Configuration Snippet

How to Mock and Inspect Streaming Video Manifests (.m3u8, .mpd) — proxyceptor-rule.json
JSON
{
  "id": "rule_hls_stream_reroute",
  "pattern": "https://cdn.stream.com/live/match-hd.m3u8*",
  "action": "redirect",
  "targetUrl": "https://staging-cdn.stream.com/test-streams/fallback.m3u8",
  "enabled": true
}

Frequently Asked Questions

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