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Add fake media flag #38

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EdwardSalkeld wants to merge 2 commits into from
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Add fake media flag #38

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8595de8
Add --fake-media flag to prevent crashes on pages that request microp…
EdwardSalkeld Feb 23, 2026
072bd70
Document --fake-media flag in README
EdwardSalkeld Feb 24, 2026
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3 changes: 2 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ Requires:
rodney start # Launch headless Chrome
rodney start --show # Launch with visible browser window
rodney start --insecure # Launch with TLS errors ignored (-k shorthand)
rodney start --fake-media # Launch with fake media devices (avoids getUserMedia crashes)
rodney connect host:9222 # Connect to existing Chrome on remote debug port
rodney status # Show browser info and active page
rodney stop # Shut down Chrome
Expand Down Expand Up @@ -403,7 +404,7 @@ The tool uses the [rod](https://github.com/go-rod/rod) Go library which communic

| Command | Arguments | Description |
|---|---|---|
| `start` | `[--show] [--insecure\|-k]` | Launch Chrome (headless by default, `--show` for visible) |
| `start` | `[--show] [--insecure\|-k] [--fake-media]` | Launch Chrome (headless by default, `--show` for visible) |
| `connect` | `<host:port>` | Connect to existing Chrome on remote debug port |
| `stop` | | Shut down Chrome |
| `status` | | Show browser status |
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10 changes: 9 additions & 1 deletion main.go
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Expand Up @@ -320,12 +320,15 @@ func withPage() (*State, *rod.Browser, *rod.Page) {

func cmdStart(args []string) {
ignoreCertErrors := false
fakeMedia := false
for i := 0; i < len(args); i++ {
switch args[i] {
case "--insecure", "-k":
ignoreCertErrors = true
case "--fake-media":
fakeMedia = true
default:
fatal("unknown flag: %s\nusage: rodney start [--insecure]", args[i])
fatal("unknown flag: %s\nusage: rodney start [--insecure] [--fake-media]", args[i])
}
}

Expand Down Expand Up @@ -405,6 +408,11 @@ func cmdStart(args []string) {
l.Set("ignore-certificate-errors")
}

if fakeMedia {
l.Set("use-fake-device-for-media-stream")
l.Set("use-fake-ui-for-media-stream")
}

debugURL := l.MustLaunch()

// Get Chrome PID from the launcher
Expand Down