option optimize_for = SPEED;
option cc_generic_services = false;

enum EStreamChannel {
	k_EStreamChannelInvalid = -1;
	k_EStreamChannelDiscovery = 0;
	k_EStreamChannelControl = 1;
	k_EStreamChannelStats = 2;
	k_EStreamChannelDataChannelStart = 3;
}

enum EStreamDiscoveryMessage {
	k_EStreamDiscoveryRequest = 1;
	k_EStreamDiscoveryResponse = 2;
}

enum EStreamControlMessage {
	k_EStreamControlAuthenticationRequest = 1;
	k_EStreamControlAuthenticationResponse = 2;
	k_EStreamControlNegotiationInit = 3;
	k_EStreamControlNegotiationSetConfig = 4;
	k_EStreamControlNegotiationComplete = 5;
	k_EStreamControl_LAST_SETUP_MESSAGE = 15;
	k_EStreamControlStartAudioData = 50;
	k_EStreamControlStopAudioData = 51;
	k_EStreamControlStartVideoData = 52;
	k_EStreamControlStopVideoData = 53;
	k_EStreamControlInputMouseMotion = 54;
	k_EStreamControlInputMouseWheel = 55;
	k_EStreamControlInputMouseDown = 56;
	k_EStreamControlInputMouseUp = 57;
	k_EStreamControlInputKeyDown = 58;
	k_EStreamControlInputKeyUp = 59;
	k_EStreamControlInputGamepadAttached = 60;
	k_EStreamControlInputGamepadEvent = 61;
	k_EStreamControlInputGamepadDetached = 62;
	k_EStreamControlShowCursor = 63;
	k_EStreamControlHideCursor = 64;
	k_EStreamControlSetCursor = 65;
	k_EStreamControlGetCursorImage = 66;
	k_EStreamControlSetCursorImage = 67;
	k_EStreamControlDeleteCursor = 68;
	k_EStreamControlSetTargetFramerate = 69;
	k_EStreamControlInputLatencyTest = 70;
	k_EStreamControlGamepadRumble = 71;
	k_EStreamControlSetMaximumFramerate = 72;
	k_EStreamControlSetMaximumBitrate = 73;
	k_EStreamControlOverlayEnabled = 74;
	k_EStreamControlInputControllerAttached = 75;
	k_EStreamControlInputControllerState = 76;
	k_EStreamControlTriggerHapticPulse = 77;
	k_EStreamControlInputControllerDetached = 78;
	k_EStreamControlSystemInfo = 79;
	k_EStreamControlVideoDecoderInfo = 80;
	k_EStreamControlSetTitle = 81;
	k_EStreamControlSetIcon = 82;
	k_EStreamControlQuitRequest = 83;
	k_EStreamControlSetOverrideMode = 84;
	k_EStreamControlSetMaximumResolution = 85;
	k_EStreamControlSetQualityPreference = 86;
	k_EStreamControlSetQoS = 87;
	k_EStreamControlInputControllerWirelessPresence = 88;
	k_EStreamControlSetGammaRamp = 89;
	k_EStreamControlVideoEncoderInfo = 90;
	k_EStreamControlSetBurstBitrate = 91;
	k_EStreamControlSetHardwareBitrateCap = 92;
	k_EStreamControlInputControllerStateHID = 93;
	k_EStreamControlSetTargetBitrate = 94;
}

enum EStreamVersion {
	k_EStreamVersionNone = 0;
	k_EStreamVersionCurrent = 1;
}

enum EStreamAudioCodec {
	k_EStreamAudioCodecNone = 0;
	k_EStreamAudioCodecRaw = 1;
	k_EStreamAudioCodecVorbis = 2;
	k_EStreamAudioCodecOpus = 3;
	k_EStreamAudioCodecMP3 = 4;
	k_EStreamAudioCodecAAC = 5;
}

enum EStreamVideoCodec {
	k_EStreamVideoCodecNone = 0;
	k_EStreamVideoCodecRaw = 1;
	k_EStreamVideoCodecVP8 = 2;
	k_EStreamVideoCodecVP9 = 3;
	k_EStreamVideoCodecH264 = 4;
	k_EStreamVideoCodecH265 = 5;
	k_EStreamVideoCodecORBX1 = 6;
	k_EStreamVideoCodecORBX2 = 7;
}

enum EStreamingDataType {
	k_EStreamingAudioData = 0;
	k_EStreamingVideoData = 1;
}

enum EStreamMouseButton {
	k_EStreamMouseButtonLeft = 1;
	k_EStreamMouseButtonRight = 2;
	k_EStreamMouseButtonMiddle = 16;
	k_EStreamMouseButtonX1 = 32;
	k_EStreamMouseButtonX2 = 64;
	k_EStreamMouseButtonUnknown = 4096;
}

enum EStreamMouseWheelDirection {
	k_EStreamMouseWheelUp = 120;
	k_EStreamMouseWheelDown = -120;
	k_EStreamMouseWheelLeft = 3;
	k_EStreamMouseWheelRight = 4;
}

enum EStreamGamepadInputType {
	k_EStreamGamepadInputInvalid = 0;
	k_EStreamGamepadInputDPadUp = 1;
	k_EStreamGamepadInputDPadDown = 2;
	k_EStreamGamepadInputDPadLeft = 4;
	k_EStreamGamepadInputDPadRight = 8;
	k_EStreamGamepadInputStart = 16;
	k_EStreamGamepadInputBack = 32;
	k_EStreamGamepadInputLeftThumb = 64;
	k_EStreamGamepadInputRightThumb = 128;
	k_EStreamGamepadInputLeftShoulder = 256;
	k_EStreamGamepadInputRightShoulder = 512;
	k_EStreamGamepadInputGuide = 1024;
	k_EStreamGamepadInputA = 4096;
	k_EStreamGamepadInputB = 8192;
	k_EStreamGamepadInputX = 16384;
	k_EStreamGamepadInputY = 32768;
	k_EStreamGamepadInputLeftThumbX = 65536;
	k_EStreamGamepadInputLeftThumbY = 131072;
	k_EStreamGamepadInputRightThumbX = 262144;
	k_EStreamGamepadInputRightThumbY = 524288;
	k_EStreamGamepadInputLeftTrigger = 1048576;
	k_EStreamGamepadInputRightTrigger = 2097152;
}

enum EStreamQualityPreference {
	k_EStreamQualityFast = 1;
	k_EStreamQualityBalanced = 2;
	k_EStreamQualityBeautiful = 3;
}

enum EStreamBitrate {
	k_EStreamBitrateAutodetect = -1;
	k_EStreamBitrateUnlimited = 0;
}

enum EStreamFramerateLimiter {
	k_EStreamFramerateSlowCapture = 1;
	k_EStreamFramerateSlowConvert = 2;
	k_EStreamFramerateSlowEncode = 4;
	k_EStreamFramerateSlowNetwork = 8;
	k_EStreamFramerateSlowDecode = 16;
	k_EStreamFramerateSlowGame = 32;
	k_EStreamFramerateSlowDisplay = 64;
}

enum EStreamDataMessage {
	k_EStreamDataPacket = 1;
	k_EStreamDataLost = 2;
}

enum EAudioFormat {
	k_EAudioFormatNone = 0;
	k_EAudioFormat16BitLittleEndian = 1;
	k_EAudioFormatFloat = 2;
}

enum EVideoFormat {
	k_EVideoFormatNone = 0;
	k_EVideoFormatYV12 = 1;
	k_EVideoFormatAccel = 2;
}

enum EStreamStatsMessage {
	k_EStreamStatsFrameEvents = 1;
	k_EStreamStatsDebugDump = 2;
	k_EStreamStatsLogMessage = 3;
}

enum EStreamFrameEvent {
	k_EStreamInputEventStart = 0;
	k_EStreamInputEventSend = 1;
	k_EStreamInputEventRecv = 2;
	k_EStreamInputEventQueued = 3;
	k_EStreamInputEventHandled = 4;
	k_EStreamFrameEventStart = 5;
	k_EStreamFrameEventCaptureBegin = 6;
	k_EStreamFrameEventCaptureEnd = 7;
	k_EStreamFrameEventConvertBegin = 8;
	k_EStreamFrameEventConvertEnd = 9;
	k_EStreamFrameEventEncodeBegin = 10;
	k_EStreamFrameEventEncodeEnd = 11;
	k_EStreamFrameEventSend = 12;
	k_EStreamFrameEventRecv = 13;
	k_EStreamFrameEventDecodeBegin = 14;
	k_EStreamFrameEventDecodeEnd = 15;
	k_EStreamFrameEventUploadBegin = 16;
	k_EStreamFrameEventUploadEnd = 17;
	k_EStreamFrameEventComplete = 18;
}

enum EStreamFrameResult {
	k_EStreamFrameResultPending = 0;
	k_EStreamFrameResultDisplayed = 1;
	k_EStreamFrameResultDroppedNetworkSlow = 2;
	k_EStreamFrameResultDroppedNetworkLost = 3;
	k_EStreamFrameResultDroppedDecodeSlow = 4;
	k_EStreamFrameResultDroppedDecodeCorrupt = 5;
	k_EStreamFrameResultDroppedLate = 6;
	k_EStreamFrameResultDroppedReset = 7;
}

enum EFrameAccumulatedStat {
	k_EFrameStatFPS = 0;
	k_EFrameStatCaptureDurationMS = 1;
	k_EFrameStatConvertDurationMS = 2;
	k_EFrameStatEncodeDurationMS = 3;
	k_EFrameStatSteamDurationMS = 4;
	k_EFrameStatServerDurationMS = 5;
	k_EFrameStatNetworkDurationMS = 6;
	k_EFrameStatDecodeDurationMS = 7;
	k_EFrameStatDisplayDurationMS = 8;
	k_EFrameStatClientDurationMS = 9;
	k_EFrameStatFrameDurationMS = 10;
	k_EFrameStatInputLatencyMS = 11;
	k_EFrameStatGameLatencyMS = 12;
	k_EFrameStatRoundTripLatencyMS = 13;
	k_EFrameStatPingTimeMS = 14;
	k_EFrameStatServerBitrateKbitPerSec = 15;
	k_EFrameStatClientBitrateKbitPerSec = 16;
	k_EFrameStatLinkBandwidthKbitPerSec = 17;
	k_EFrameStatPacketLossPercentage = 18;
}

message CDiscoveryRequest {
	optional bytes token = 1;
}

message CDiscoveryResponse {
	optional string name = 1;
}

message CAuthenticationRequestMsg {
	optional bytes token = 1;
	optional .EStreamVersion version = 2 [default = k_EStreamVersionNone];
}

message CAuthenticationResponseMsg {
	enum AuthenticationResult {
		SUCCEEDED = 0;
		FAILED = 1;
	}

	optional .CAuthenticationResponseMsg.AuthenticationResult result = 1 [default = SUCCEEDED];
	optional .EStreamVersion version = 2 [default = k_EStreamVersionNone];
}

message CStreamVideoMode {
	required uint32 width = 1;
	required uint32 height = 2;
	optional uint32 refresh_rate = 3;
	optional uint32 refresh_rate_numerator = 4;
	optional uint32 refresh_rate_denominator = 5;
}

message CNegotiatedConfig {
	optional bool reliable_data = 1;
	optional .EStreamAudioCodec selected_audio_codec = 2 [default = k_EStreamAudioCodecNone];
	optional .EStreamVideoCodec selected_video_codec = 3 [default = k_EStreamVideoCodecNone];
	repeated .CStreamVideoMode available_video_modes = 4;
}

message CNegotiationInitMsg {
	optional bool reliable_data = 1;
	repeated .EStreamAudioCodec supported_audio_codecs = 2;
	repeated .EStreamVideoCodec supported_video_codecs = 3;
}

message CNegotiationSetConfigMsg {
	required .CNegotiatedConfig config = 1;
}

message CNegotiationCompleteMsg {
}

message CStartAudioDataMsg {
	required uint32 channel = 2;
	optional .EStreamAudioCodec codec = 3 [default = k_EStreamAudioCodecNone];
	optional bytes codec_data = 4;
	optional uint32 frequency = 5;
	optional uint32 channels = 6;
}

message CStopAudioDataMsg {
}

message CStartVideoDataMsg {
	required uint32 channel = 1;
	optional .EStreamVideoCodec codec = 2 [default = k_EStreamVideoCodecNone];
	optional bytes codec_data = 3;
	optional uint32 width = 4;
	optional uint32 height = 5;
}

message CStopVideoDataMsg {
}

message CInputLatencyTestMsg {
	required uint32 input_mark = 1;
	optional uint32 color = 2;
}

message CInputMouseMotionMsg {
	optional uint32 input_mark = 1;
	optional float x_normalized = 2;
	optional float y_normalized = 3;
	optional int32 dx = 4;
	optional int32 dy = 5;
}

message CInputMouseWheelMsg {
	optional uint32 input_mark = 1;
	required .EStreamMouseWheelDirection direction = 2 [default = k_EStreamMouseWheelUp];
}

message CInputMouseDownMsg {
	optional uint32 input_mark = 1;
	required .EStreamMouseButton button = 2 [default = k_EStreamMouseButtonLeft];
}

message CInputMouseUpMsg {
	optional uint32 input_mark = 1;
	required .EStreamMouseButton button = 2 [default = k_EStreamMouseButtonLeft];
}

message CInputKeyDownMsg {
	optional uint32 input_mark = 1;
	required uint32 scancode = 2;
}

message CInputKeyUpMsg {
	optional uint32 input_mark = 1;
	required uint32 scancode = 2;
}

message CInputGamepadAttachedMsg {
	required int32 controller_id = 1;
	optional uint32 controller_type = 2;
	optional uint32 controller_subtype = 3;
}

message CInputGamepadEventMsg {
	optional uint32 input_mark = 1;
	required int32 controller_id = 2;
	required .EStreamGamepadInputType input = 3 [default = k_EStreamGamepadInputInvalid];
	required float value = 4;
}

message CInputGamepadDetachedMsg {
	required int32 controller_id = 1;
}

message CGamepadRumbleMsg {
	required int32 controller_id = 1;
	optional int32 left_motor_speed = 2;
	optional int32 right_motor_speed = 3;
}

message CSetTitleMsg {
	optional string text = 1;
}

message CSetIconMsg {
	optional int32 width = 1;
	optional int32 height = 2;
	optional bytes image = 3;
}

message CShowCursorMsg {
	optional float x_normalized = 1;
	optional float y_normalized = 2;
}

message CHideCursorMsg {
}

message CSetCursorMsg {
	required uint64 cursor_id = 1;
}

message CGetCursorImageMsg {
	required uint64 cursor_id = 1;
}

message CSetCursorImageMsg {
	required uint64 cursor_id = 1;
	optional int32 width = 2;
	optional int32 height = 3;
	optional int32 hot_x = 4;
	optional int32 hot_y = 5;
	optional bytes image = 6;
}

message CSystemInfoMsg {
	optional string info = 1;
}

message CVideoDecoderInfoMsg {
	optional string info = 1;
	optional int32 threads = 2;
}

message CVideoEncoderInfoMsg {
	optional string info = 1;
}

message CQuitRequest {
}

message CDeleteCursorMsg {
	required uint64 cursor_id = 1;
}

message CSetQualityPreferenceMsg {
	required .EStreamQualityPreference quality = 1 [default = k_EStreamQualityFast];
}

message CSetMaximumResolutionMsg {
	required uint32 x = 1;
	required uint32 y = 2;
}

message CSetMaximumFramerateMsg {
	required uint32 framerate = 1;
}

message CSetMaximumBitrateMsg {
	required int32 bitrate = 1;
}

message CSetBurstBitrateMsg {
	required int32 bitrate = 1;
}

message CSetHardwareBitrateCap {
	required int32 bitrate = 1;
}

message CSetQoSMsg {
	required bool use_qos = 1;
}

message CSetTargetFramerateMsg {
	required uint32 framerate = 1;
	optional uint32 reasons = 2;
	optional uint32 framerate_numerator = 3;
	optional uint32 framerate_denominator = 4;
}

message CSetTargetBitrateMsg {
	required int32 bitrate = 1;
}

message COverlayEnabledMsg {
	required bool enabled = 1;
}

message CInputControllerAttachedMsg {
	required int32 controller_index = 1;
}

message CInputControllerStateMsg {
	optional uint32 input_mark = 1;
	required int32 controller_index = 2;
	optional uint64 buttons = 3;
	optional sint32 left_pad_x = 4;
	optional sint32 left_pad_y = 5;
	optional sint32 right_pad_x = 6;
	optional sint32 right_pad_y = 7;
	optional sint32 left_stick_x = 8;
	optional sint32 left_stick_y = 9;
	optional uint32 left_analog = 10;
	optional uint32 right_analog = 11;
	optional sint32 accel_x = 12;
	optional sint32 accel_y = 13;
	optional sint32 accel_z = 14;
	optional sint32 gyro_x = 15;
	optional sint32 gyro_y = 16;
	optional sint32 gyro_z = 17;
	optional sint32 gyroquat_w = 18;
	optional sint32 gyroquat_x = 19;
	optional sint32 gyroquat_y = 20;
	optional sint32 gyroquat_z = 21;
	optional sint32 gyrosteeringangle = 22;
	optional uint32 batterylevel = 23;
}

message CInputControllerStateHIDMsg {
	optional uint32 input_mark = 1;
	optional int32 controller_index = 2;
	optional uint32 capabilities = 3;
	optional bytes state_payload = 4;
	optional bytes status_payload = 5;
}

message CInputControllerWirelessPresenceMsg {
	optional bool wireless_present = 1;
	optional bool wireless_available = 2;
}

message CTriggerHapticPulseMsg {
	required int32 controller_index = 1;
	required int32 pad_index = 2;
	required uint32 duration_microsec = 3;
}

message CSetOverrideModeMsg {
	optional int32 window_type = 1;
	optional string override_mode = 2;
}

message CSetGammaRampMsg {
	optional bytes gamma_ramp = 1;
}

message CInputControllerDetachedMsg {
	required int32 controller_index = 1;
}

message CStreamDataLostMsg {
	repeated uint32 packets = 1;
}

message CAudioFormat {
	required .EAudioFormat format = 1 [default = k_EAudioFormatNone];
	optional uint32 frequency = 2;
	optional uint32 channels = 3;
}

message CVideoFormat {
	required .EVideoFormat format = 1 [default = k_EVideoFormatNone];
	optional uint32 width = 2;
	optional uint32 height = 3;
}

message CFrameEvent {
	required .EStreamFrameEvent event_id = 1 [default = k_EStreamInputEventStart];
	required uint32 timestamp = 2;
}

message CFrameStats {
	required uint32 frame_id = 1;
	optional uint32 input_mark = 2;
	repeated .CFrameEvent events = 3;
	required .EStreamFrameResult result = 4 [default = k_EStreamFrameResultPending];
	optional float frame_start_delta = 5;
	optional float frame_display_delta = 6;
	optional float ping_time = 7;
	optional float server_bitrate = 8;
	optional float client_bitrate = 9;
	optional float link_bandwidth = 10;
	optional float packet_loss = 11;
	optional uint32 frame_size = 12;
}

message CFrameStatAccumulatedValue {
	required .EFrameAccumulatedStat stat_type = 1 [default = k_EFrameStatFPS];
	required int32 count = 2;
	required float average = 3;
	optional float stddev = 4;
}

message CFrameStatsListMsg {
	required .EStreamingDataType data_type = 1 [default = k_EStreamingAudioData];
	repeated .CFrameStats stats = 2;
	repeated .CFrameStatAccumulatedValue accumulated_stats = 3;
	required int32 latest_frame_id = 4;
}

message CDebugDumpMsg {
	optional bytes screenshot = 1;
}

message CLogMsg {
	optional int32 type = 1;
	optional string message = 2;
}