comparison.md

Feature Comparison

Comparison of ryanbr/TwitchAdSolutions (release & testing) vs GosuDRM/TTV-AB 6.0.7 vs pixeltris/TwitchAdSolutions (archived).

Ad Detection

Feature	Release	Testing	TTV-AB	pixeltris
Multiple ad signifiers	Yes (4)	Yes (4)	No (1 + URL patterns)	No (1)
Unknown-signifier diagnostic	Yes	Yes	No	No
SCTE-35 CUE-OUT/CUE-IN	Yes	Yes	Yes	No
Ad segment URL patterns	Yes	Yes	Yes	No

Backup Stream

Feature	Release	Testing	TTV-AB	pixeltris
Backup-swap-first on ad detect (TTV-AB-style)	Yes (default, opt-out)	Yes (default, opt-out)	Yes (always on)	No
Backup player type cycling	Yes	Yes	Yes	Yes
Failed backup type tracking	Yes	Yes	Yes	No
Pinned backup type	Yes (default on)	Yes (default on)	Yes (always on)	No
Auto-pin source quality	Yes	Yes	No	No
Segment recovery cache	Yes	Yes	Yes	No
Embed player type reliability	Skipped as first-try (GQL "server error")	Skipped as first-try	Works (extension privileges)	Works

Ad Recovery

Feature	Release	Testing	TTV-AB	pixeltris
Ad-end grace period	Yes	Yes	Yes	No
Dead backup detection	Yes	Yes	No	No
Post-ad resume retry	Yes	Yes	Yes	No
Muted state restore	Yes	Yes	Yes	No
Respect user mute intent	Yes	Yes	No	No
Post-hard-reload seek-to-live (drift >5s)	Yes	Yes	No	No
Player error auto-recovery	No	Yes	Yes	No

Player Stability

Feature	Release	Testing	TTV-AB	pixeltris
Visibility/hidden override	Yes	Yes	Yes	Yes
hasFocus override	Yes	Yes	No	No
Tab focus auto-play	Yes	Yes	Yes	Muted only
Auto-resume on tab return	Yes (muted+unmuted)	Yes (muted+unmuted)	Yes	Muted only
Buffering monitor	Yes	Yes	Yes	Yes
Stuck-pause auto-recovery	Yes	Yes	No	No
CSAI cascade reload cooldown	Yes	Yes	No	No
CSAI-only skip reload	Yes	Yes	No	No
Ad-end grace period	Yes	Yes	No	No
Auto-escalate cooldown	Yes	Yes	No	No
Backup switch grace (10s)	Yes	Yes	No	No
One-reload-per-recovery cap	Yes	Yes	Yes (guarded)	No
Reload grace period (15s)	Yes	Yes	No	No
Visibility-aware poll backoff	Yes (3×)	Yes (3×)	Yes	No
Smooth drift correction	Yes (1.1×)	Yes (1.1×)	No	No
Failed backup type retry (15s)	Yes	Yes	No	No
Quality/volume restore	Yes	Yes	Yes	Yes
User pause intent tracking	Yes	Yes	Yes	No
Fresh player lookup every tick	Yes	Yes	No	No
React fallback discovery	Yes	Yes	No	No
Seek past buffer gaps	Yes	Yes	No	No
Position jump drift correction	Yes	Yes	No	No
Stale event filtering	No	No	Yes	No
Worker crash recovery	Yes	Yes	Yes	No

Configuration

Feature	Release	Testing	TTV-AB	pixeltris
ReloadPlayerAfterAd	Yes	Yes	N/A	Hardcoded
ForceAccessTokenPlayerType	Yes	Yes	N/A	Hardcoded
PinBackupPlayerType	Yes	Yes	Always on	No
HideAdOverlay	Yes	Yes	N/A	No
ReloadCooldownSeconds	Yes	Yes	N/A	No
DisableReloadCap	Yes	Yes	N/A	No
DriftCorrectionRate	Yes	Yes	N/A	No
PreferLowQualityBackup (hybrid safety net)	Yes	Yes	N/A	No
BackupSwapFirst (TTV-AB-style default)	Yes (default on)	Yes (default on)	N/A (always on)	No
Config logged on load	Yes	Yes	No	No

Debug Logging

Feature	Release	Testing	TTV-AB	pixeltris
AD DEBUG breakpoints	Yes (15+)	Yes (15+)	Minimal	No
Worker rejection logging	Yes	Yes	No	No
GQL header capture log	Yes	Yes	No	No
Stripped segment count	Yes	Yes	No	No

Hardening

Feature	Release	Testing	TTV-AB	pixeltris
parseAttributes null guard	Yes	Yes	No	No
Blob URL revoke protection	Yes	Yes	No	No
Worker prototype chain cleanup	Yes	Yes	No	No
GQL fetch timeout (15s)	Yes	Yes	No	No
WASM worker JS cache	Yes	Yes	No	No
Stream info TTL cleanup	Yes	Yes	No	No
Dictionary objects (no prototype)	Yes	Yes	No	No

Null Safety

Feature	Release	Testing	TTV-AB	pixeltris
Optional chaining	Yes	Yes	Yes	No
GQL response validation	Yes	Yes	Yes	No
parseAttributes tag prefix strip	Yes	Yes	No	No
GQL response shape fallback (data wrap + flat)	Yes	Yes	Yes	No
GQL error field in diagnostic log	Yes	Yes	No	No
Worker-bridge Response full shape (url/ok/redirected/type)	Yes	Yes	N/A	No

Compatibility

Feature	Release	Testing	TTV-AB	pixeltris
WebKit/iOS	Yes	Yes	N/A	Yes
Firefox	Yes	Yes	Yes	Yes
Chrome	Yes	Yes	Yes	Yes