audio.proto

syntax = "proto3";
package audio;

enum SourceType {
    AIRPLAY = 0;
    BLUETOOTH = 1;
    SPDIF = 2;
    USB = 3;
    LOOPBACK = 4;
    ANALOG = 5;
}

/// 抢占模式
enum SwitchMode {
    /// Switch to a device if the device changed from inactive to active
    LAST_OVERTAKE = 0;
    /// Always switch to the active enabled device with the highest priority
    PRIORITY = 1;
    /// Alias for PRIORITY, for frontend use
    MANUAL = 2;
}

message SourcePriority {
    // The priority of audio source. Larger number means higher priority.
    int32 priority = 1;
    bool enabled = 2;
    SourceType source = 3;
}

enum DirInput {
    DIR_INPUT_TOSLINK = 0;
    DIR_INPUT_COAXIAL = 1;
}

message InputSettings {
    repeated SourcePriority priorities = 1;
    SwitchMode switch_mode = 2;
    DirInput dir_input_source = 3;
}

message SourceInfo {
    SourceType source = 4;
    bool active = 1;
    optional uint32 sample_rate = 2;
    optional uint32 bit_depth = 3;
}

message InputStatus {
    repeated SourceInfo sources = 1;
    optional SourceType current = 2;

    AirplayInfo airplay = 3;
    BluetoothInfo bluetooth = 4;
}

message AirplayInfo {
    string client_name = 1;
}

message BluetoothInfo {
    optional string device_addr = 1;
}

message VolumeValue {
    double value = 1;
}