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kvm
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Auto-switch audio output to HDMI when USB audio emulation is disabled

This commit is contained in:
Alex P 2025-11-17 22:03:52 +02:00
parent 0fe9cab988
commit 1e22e007ea
1 changed files with 22 additions and 1 deletions
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23
jsonrpc.go
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@ -18,6 +18,7 @@ import (
"github.com/rs/zerolog"
"go.bug.st/serial"
"github.com/jetkvm/kvm/internal/audio"
"github.com/jetkvm/kvm/internal/hidrpc"
"github.com/jetkvm/kvm/internal/usbgadget"
"github.com/jetkvm/kvm/internal/utils"
@ -910,7 +911,6 @@ func updateUsbRelatedConfig(wasAudioEnabled bool) error {
inputRelay = nil
audioMutex.Unlock()
// Atomically swap input source
inSource := inputSource.Swap(nil)
if inRelay != nil {
@ -920,6 +920,27 @@ func updateUsbRelatedConfig(wasAudioEnabled bool) error {
(*inSource).Disconnect()
}
// Auto-switch to HDMI audio output when USB audio is disabled
audioNowEnabled := config.UsbDevices != nil && config.UsbDevices.Audio
if wasAudioEnabled && !audioNowEnabled && config.AudioOutputSource == "usb" {
config.AudioOutputSource = "hdmi"
stopOutputAudio()
if audioOutputEnabled.Load() && activeConnections.Load() > 0 && currentAudioTrack != nil {
newSource := audio.NewCgoOutputSource("hw:0,0")
newSource.SetConfig(getAudioConfig())
newRelay := audio.NewOutputRelay(newSource, currentAudioTrack)
audioMutex.Lock()
outputSource = newSource
outputRelay = newRelay
audioMutex.Unlock()
if err := newRelay.Start(); err != nil {
logger.Warn().Err(err).Msg("Failed to start HDMI audio after USB audio disabled")
}
}
}
if err := gadget.UpdateGadgetConfig(); err != nil {
return fmt.Errorf("failed to write gadget config: %w", err)
}