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Fix: Address concurrency of multiple exec -> single RTSP streams #2121

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Fix: Address concurrency of multiple exec -> single RTSP streams #2121

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8a675d9
fix(exec): address concurrency of multiple exec -> single RTSP
btgoodwin Feb 27, 2026
bb69cbf
fix(exec): move uuid randomization into md5.sum()
btgoodwin Mar 3, 2026
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6 changes: 5 additions & 1 deletion internal/exec/exec.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"github.com/AlexxIT/go2rtc/pkg/pcm"
pkg "github.com/AlexxIT/go2rtc/pkg/rtsp"
"github.com/AlexxIT/go2rtc/pkg/shell"
"github.com/google/uuid"
"github.com/rs/zerolog"
)

Expand Down Expand Up @@ -76,7 +77,10 @@ func execHandle(rawURL string) (prod core.Producer, err error) {
return nil, errors.New("exec: rtsp module disabled")
}

sum := md5.Sum([]byte(rawURL))
// Insert a UUID into the sum to make it unique for this exec instance.
// This allows for multiple exec instances referring to the same RTSP
// stream to work without interfering with each other.
sum := md5.Sum([]byte(rawURL + uuid.NewString()))
path = "/" + hex.EncodeToString(sum[:])
rawURL = rawURL[:i] + "rtsp://127.0.0.1:" + rtsp.Port + path + rawURL[i+8:]
}
Expand Down