optional string alsa_info = 5; // Only for ALSA devices.
optional int32 num_channels = 6; // Only for ALSA devices.
optional string address = 7; // Only for ALSA devices.
+
+ // This isn't strictly part of the _mapping_, but it fits in fairly naturally.
+ // Positive means the audio is delayed, negative means we try to have it earlier
+ // (although we can't time-travel!).
+ optional float extra_delay_ms = 8;
}
// Corresponds to InputMapping::Bus.