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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Protocol buffer for Media Remoting.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package media.remoting.pb;
// DecoderBuffer information which will be sent using RTP packets. The actual
// decoder buffer is not included in this proto data structure.
message DecoderBuffer {
optional int64 timestamp_usec = 1;
optional int64 duration_usec = 2;
optional bool is_key_frame = 3;
optional DecryptConfig decrypt_config = 4;
optional int64 front_discard_usec = 5;
optional int64 back_discard_usec = 6;
optional int64 splice_timestamp_usec = 7 [deprecated=true];
optional bytes side_data = 8;
// To distinguish from valid 0-length buffers
optional bool is_eos = 9;
}
// Utility proto data structure
message Size {
optional int32 width = 1;
optional int32 height = 2;
}
message EncryptionScheme {
// Proto version of EncryptionScheme::CipherMode.
// NEVER change these numbers or re-use old ones; only add new ones.
enum CipherMode {
CIPHER_MODE_UNENCRYPTED = 0;
CIPHER_MODE_AES_CTR = 1;
CIPHER_MODE_AES_CBC = 2;
}
optional CipherMode mode = 1;
optional uint32 encrypt_blocks = 2;
optional uint32 skip_blocks = 3;
}
message AudioDecoderConfig {
// Proto version of media::Codec.
// NEVER change these numbers or re-use old ones; only add new ones.
enum Codec {
kUnknownAudioCodec = 0;
kCodecAAC = 1;
kCodecMP3 = 2;
kCodecPCM = 3;
kCodecVorbis = 4;
kCodecFLAC = 5;
kCodecAMR_NB = 6;
kCodecAMR_WB = 7;
kCodecPCM_MULAW = 8;
kCodecGSM_MS = 9;
kCodecPCM_S16BE = 10;
kCodecPCM_S24BE = 11;
kCodecOpus = 12;
kCodecEAC3 = 13;
kCodecPCM_ALAW = 14;
kCodecALAC = 15;
kCodecAC3 = 16;
kCodecMpegHAudio = 17;
}
// Proto version of media::SampleFormat.
// NEVER change these numbers or re-use old ones; only add new ones.
enum SampleFormat {
kUnknownSampleFormat = 0;
kSampleFormatU8 = 1;
kSampleFormatS16 = 2;
kSampleFormatS32 = 3;
kSampleFormatF32 = 4;
kSampleFormatPlanarS16 = 5;
kSampleFormatPlanarF32 = 6;
kSampleFormatPlanarS32 = 7;
kSampleFormatS24 = 8;
kSampleFormatAc3 = 9;
kSampleFormatEac3 = 10;
kSampleFormatMpegHAudio = 11;
};
// Proto version of media::ChannelLayout.
// NEVER change these numbers or re-use old ones; only add new ones.
enum ChannelLayout {
CHANNEL_LAYOUT_NONE = 0;
CHANNEL_LAYOUT_UNSUPPORTED = 1;
CHANNEL_LAYOUT_MONO = 2;
CHANNEL_LAYOUT_STEREO = 3;
CHANNEL_LAYOUT_2_1 = 4;
CHANNEL_LAYOUT_SURROUND = 5;
CHANNEL_LAYOUT_4_0 = 6;
CHANNEL_LAYOUT_2_2 = 7;
CHANNEL_LAYOUT_QUAD = 8;
CHANNEL_LAYOUT_5_0 = 9;
CHANNEL_LAYOUT_5_1 = 10;
CHANNEL_LAYOUT_5_0_BACK = 11;
CHANNEL_LAYOUT_5_1_BACK = 12;
CHANNEL_LAYOUT_7_0 = 13;
CHANNEL_LAYOUT_7_1 = 14;
CHANNEL_LAYOUT_7_1_WIDE = 15;
CHANNEL_LAYOUT_STEREO_DOWNMIX = 16;
CHANNEL_LAYOUT_2POINT1 = 17;
CHANNEL_LAYOUT_3_1 = 18;
CHANNEL_LAYOUT_4_1 = 19;
CHANNEL_LAYOUT_6_0 = 20;
CHANNEL_LAYOUT_6_0_FRONT = 21;
CHANNEL_LAYOUT_HEXAGONAL = 22;
CHANNEL_LAYOUT_6_1 = 23;
CHANNEL_LAYOUT_6_1_BACK = 24;
CHANNEL_LAYOUT_6_1_FRONT = 25;
CHANNEL_LAYOUT_7_0_FRONT = 26;
CHANNEL_LAYOUT_7_1_WIDE_BACK = 27;
CHANNEL_LAYOUT_OCTAGONAL = 28;
CHANNEL_LAYOUT_DISCRETE = 29;
CHANNEL_LAYOUT_STEREO_AND_KEYBOARD_MIC = 30;
CHANNEL_LAYOUT_4_1_QUAD_SIDE = 31;
CHANNEL_LAYOUT_BITSTREAM = 32;
};
optional Codec codec = 1;
optional EncryptionScheme encryption_scheme = 2;
optional SampleFormat sample_format = 3;
optional ChannelLayout channel_layout = 4;
optional int32 samples_per_second = 5;
optional int64 seek_preroll_usec = 6;
optional int32 codec_delay = 7;
optional bytes extra_data = 8;
}
message Rect {
optional int32 x = 1;
optional int32 y = 2;
optional int32 width = 3;
optional int32 height = 4;
}
message VideoDecoderConfig {
// Proto version of media::VideoCodec.
// NEVER change these numbers or re-use old ones; only add new ones.
enum Codec {
kUnknownVideoCodec = 0;
kCodecH264 = 1;
kCodecVC1 = 2;
kCodecMPEG2 = 3;
kCodecMPEG4 = 4;
kCodecTheora = 5;
kCodecVP8 = 6;
kCodecVP9 = 7;
kCodecHEVC = 8;
kCodecDolbyVision = 9;
kCodecAV1 = 10;
}
// Proto version of media::VideoCodecProfile.
// NEVER change these numbers or re-use old ones; only add new ones.
enum Profile {
VIDEO_CODEC_PROFILE_UNKNOWN = -1;
H264PROFILE_BASELINE = 0;
H264PROFILE_MAIN = 1;
H264PROFILE_EXTENDED = 2;
H264PROFILE_HIGH = 3;
H264PROFILE_HIGH10PROFILE = 4;
H264PROFILE_HIGH422PROFILE = 5;
H264PROFILE_HIGH444PREDICTIVEPROFILE = 6;
H264PROFILE_SCALABLEBASELINE = 7;
H264PROFILE_SCALABLEHIGH = 8;
H264PROFILE_STEREOHIGH = 9;
H264PROFILE_MULTIVIEWHIGH = 10;
VP8PROFILE_ANY = 11;
VP9PROFILE_PROFILE0 = 12;
VP9PROFILE_PROFILE1 = 13;
VP9PROFILE_PROFILE2 = 14;
VP9PROFILE_PROFILE3 = 15;
HEVCPROFILE_MAIN = 16;
HEVCPROFILE_MAIN10 = 17;
HEVCPROFILE_MAIN_STILL_PICTURE = 18;
DOLBYVISION_PROFILE0 = 19;
DOLBYVISION_PROFILE4 = 20;
DOLBYVISION_PROFILE5 = 21;
DOLBYVISION_PROFILE7 = 22;
THEORAPROFILE_ANY = 23;
AV1PROFILE_PROFILE_MAIN = 24;
AV1PROFILE_PROFILE_HIGH = 25;
AV1PROFILE_PROFILE_PRO = 26;
DOLBYVISION_PROFILE8 = 27;
DOLBYVISION_PROFILE9 = 28;
};
// Proto version of media::VideoPixelFormat.
// NEVER change these numbers or re-use old ones; only add new ones.
enum Format {
PIXEL_FORMAT_UNKNOWN = 0;
PIXEL_FORMAT_I420 = 1;
PIXEL_FORMAT_YV12 = 2;
PIXEL_FORMAT_I422 = 3;
PIXEL_FORMAT_I420A = 4;
PIXEL_FORMAT_I444 = 5;
PIXEL_FORMAT_NV12 = 6;
PIXEL_FORMAT_NV21 = 7;
PIXEL_FORMAT_UYVY = 8 [deprecated = true];
PIXEL_FORMAT_YUY2 = 9;
PIXEL_FORMAT_ARGB = 10;
PIXEL_FORMAT_XRGB = 11;
PIXEL_FORMAT_RGB24 = 12;
PIXEL_FORMAT_RGB32 = 13;
PIXEL_FORMAT_MJPEG = 14;
PIXEL_FORMAT_YUV420P9 = 16;
PIXEL_FORMAT_YUV420P10 = 17;
PIXEL_FORMAT_YUV422P9 = 18;
PIXEL_FORMAT_YUV422P10 = 19;
PIXEL_FORMAT_YUV444P9 = 20;
PIXEL_FORMAT_YUV444P10 = 21;
PIXEL_FORMAT_YUV420P12 = 22;
PIXEL_FORMAT_YUV422P12 = 23;
PIXEL_FORMAT_YUV444P12 = 24;
PIXEL_FORMAT_Y8 = 25 [deprecated = true];
PIXEL_FORMAT_Y16 = 26;
PIXEL_FORMAT_ABGR = 27;
PIXEL_FORMAT_XBGR = 28;
PIXEL_FORMAT_P016LE = 29;
PIXEL_FORMAT_XR30 = 30;
PIXEL_FORMAT_XB30 = 31;
};
// Proto version of media::ColorSpace.
// NEVER change these numbers or re-use old ones; only add new ones.
enum ColorSpace {
COLOR_SPACE_UNSPECIFIED = 0;
COLOR_SPACE_JPEG = 1;
COLOR_SPACE_HD_REC709 = 2;
COLOR_SPACE_SD_REC601 = 3;
};
optional Codec codec = 1;
optional EncryptionScheme encryption_scheme = 2;
optional Profile profile = 3;
optional Format format = 4;
optional ColorSpace color_space = 5;
optional Size coded_size = 6;
optional Rect visible_rect = 7;
optional Size natural_size = 8;
optional bytes extra_data = 9;
}
// Proto version of media::EncryptionMode
// NEVER change these numbers or re-use old ones; only add new ones.
enum EncryptionMode {
kUnencrypted = 0;
kCenc = 1;
kCbcs = 2;
}
message DecryptConfig {
message SubSample {
optional uint32 clear_bytes = 1;
optional uint32 cypher_bytes = 2;
}
optional bytes key_id = 1;
optional bytes iv = 2;
repeated SubSample sub_samples = 3;
optional EncryptionMode mode = 4;
optional uint32 crypt_byte_block = 5;
optional uint32 skip_byte_block = 6;
}
message PipelineDecoderInfo {
optional string decoder_name = 1;
optional bool is_platform_decoder = 2;
optional bool has_decrypting_demuxer_stream = 3;
};
message PipelineStatistics {
optional uint64 audio_bytes_decoded = 1;
optional uint64 video_bytes_decoded = 2;
optional uint32 video_frames_decoded = 3;
optional uint32 video_frames_dropped = 4;
optional int64 audio_memory_usage = 5;
optional int64 video_memory_usage = 6;
optional int64 video_frame_duration_average_usec = 7;
optional PipelineDecoderInfo audio_decoder_info = 8;
optional PipelineDecoderInfo video_decoder_info = 9;
};
message CdmKeyInformation {
// Proto version of media::CdmKeyInformation::KeyStatus.
// NEVER change these numbers or re-use old ones; only add new ones.
enum KeyStatus {
USABLE = 0;
INTERNAL_ERROR = 1;
EXPIRED = 2;
OUTPUT_RESTRICTED = 3;
OUTPUT_DOWNSCALED = 4;
KEY_STATUS_PENDING = 5;
RELEASED = 6;
}
optional bytes key_id = 1;
optional KeyStatus status = 2;
optional uint32 system_code = 3;
}
// Proto version of media::CdmPromise::Exception.
// NEVER change these numbers or re-use old ones; only add new ones.
enum CdmException {
NOT_SUPPORTED_ERROR = 0;
INVALID_STATE_ERROR = 1;
INVALID_ACCESS_ERROR = 2 [deprecated = true];
QUOTA_EXCEEDED_ERROR = 3;
UNKNOWN_ERROR = 4 [deprecated = true];
CLIENT_ERROR = 5 [deprecated = true];
OUTPUT_ERROR = 6 [deprecated = true];
TYPE_ERROR = 7;
}
// Proto version of media::CdmMessageType.
// NEVER change these numbers or re-use old ones; only add new ones.
enum CdmMessageType {
LICENSE_REQUEST = 0;
LICENSE_RENEWAL = 1;
LICENSE_RELEASE = 2;
INDIVIDUALIZATION_REQUEST = 3;
}
// Proto version of media::CdmSessionType.
// NEVER change these numbers or re-use old ones; only add new ones.
enum CdmSessionType {
kTemporary = 0;
kPersistentLicense = 1;
kPersistentUsageRecord = 2;
};
message RendererInitialize {
optional int32 client_handle = 1;
optional int32 audio_demuxer_handle = 2;
optional int32 video_demuxer_handle = 3;
optional int32 callback_handle = 4;
}
message RendererFlushUntil {
optional uint32 audio_count = 1;
optional uint32 video_count = 2;
optional int32 callback_handle = 3;
}
message RendererSetCdm {
optional int32 cdm_id = 1;
optional int32 callback_handle = 2;
}
message RendererClientOnTimeUpdate {
optional int64 time_usec = 1;
optional int64 max_time_usec = 2;
}
message RendererClientOnBufferingStateChange {
// Proto version of media::BufferingState.
// NEVER change these numbers or re-use old ones; only add new ones.
enum State {
BUFFERING_HAVE_NOTHING = 0;
BUFFERING_HAVE_ENOUGH = 1;
};
optional State state = 1;
}
message RendererClientOnAudioConfigChange {
optional AudioDecoderConfig audio_decoder_config = 1;
}
message RendererClientOnVideoConfigChange {
optional VideoDecoderConfig video_decoder_config = 1;
}
message DemuxerStreamReadUntil {
optional int32 callback_handle = 1;
optional uint32 count = 2;
}
message DemuxerStreamInitializeCallback {
optional int32 type = 1;
optional AudioDecoderConfig audio_decoder_config = 2;
optional VideoDecoderConfig video_decoder_config = 3;
}
message DemuxerStreamReadUntilCallback {
// Proto version of media::DemuxerStream::Status.
// NEVER change these numbers or re-use old ones; only add new ones.
enum Status {
kOk = 0;
kAborted = 1;
kConfigChanged = 2;
kError = 3;
};
optional Status status = 1;
optional uint32 count = 2;
optional AudioDecoderConfig audio_decoder_config = 3;
optional VideoDecoderConfig video_decoder_config = 4;
}
message CdmInitialize {
optional string key_system = 1;
optional string security_origin = 2;
optional bool allow_distinctive_identifier = 3;
optional bool allow_persistent_state = 4;
optional bool use_hw_secure_codecs = 5;
optional int32 callback_handle = 6;
}
message CdmSetServerCertificate {
optional int32 callback_handle = 1;
optional bytes certificate_data = 2;
}
message CdmCreateSessionAndGenerateRequest {
// Proto version of media::EmeInitDataType.
// NEVER change these numbers or re-use old ones; only add new ones.
enum EmeInitDataType {
UNKNOWN = 0;
WEBM = 1;
CENC = 2;
KEYIDS = 3;
};
optional CdmSessionType session_type = 1;
optional EmeInitDataType init_data_type = 2;
optional int32 callback_handle = 3;
optional bytes init_data = 4;
}
message CdmLoadSession {
optional CdmSessionType session_type = 1;
optional string session_id = 2;
optional int32 callback_handle = 3;
}
message CdmUpdateSession {
optional string session_id = 1;
optional int32 callback_handle = 2;
optional bytes response = 3;
}
message CdmCloseSession {
optional string session_id = 1;
optional int32 callback_handle = 2;
}
message CdmRemoveSession {
optional string session_id = 1;
optional int32 callback_handle = 2;
}
message CdmPromise {
// These two fields are used only for RPC_CDM_INITIALIZE_CALLBACK
optional int32 cdm_id = 1;
optional int32 decryptor_handle = 2;
optional string session_id = 3;
optional bool success = 4;
optional CdmException exception = 5;
optional uint32 system_code = 6;
optional string error_message = 7;
}
message CdmClientOnSessionMessage {
optional string session_id = 1;
optional CdmMessageType message_type = 2;
optional bytes message = 3;
}
message CdmClientOnSessionKeysChange {
optional string session_id = 1;
optional bool has_additional_usable_key = 2;
repeated CdmKeyInformation key_information = 3;
}
message CdmClientOnSessionExpirationUpdate {
optional string session_id = 1;
optional double new_expiry_time_sec = 2;
}
message RpcMessage {
enum RpcProc {
// Remoting setup
RPC_INTERNAL = 0;
RPC_ACQUIRE_RENDERER = 1;
RPC_ACQUIRE_RENDERER_DONE = 2;
RPC_ACQUIRE_CDM = 3;
RPC_ACQUIRE_CDM_DONE = 4;
// Renderer message
RPC_R_INITIALIZE = 1000;
RPC_R_FLUSHUNTIL = 1001;
RPC_R_STARTPLAYINGFROM = 1002;
RPC_R_SETPLAYBACKRATE = 1003;
RPC_R_SETVOLUME = 1004;
RPC_R_SETCDM = 1005;
// Renderer callbacks
RPC_R_INITIALIZE_CALLBACK = 1100;
RPC_R_FLUSHUNTIL_CALLBACK = 1101;
RPC_R_SETCDM_CALLBACK = 1102;
// Renderer client message
RPC_RC_ONTIMEUPDATE = 2000;
RPC_RC_ONBUFFERINGSTATECHANGE = 2001;
RPC_RC_ONENDED = 2002;
RPC_RC_ONERROR = 2003;
RPC_RC_ONVIDEONATURALSIZECHANGE = 2004;
RPC_RC_ONVIDEOOPACITYCHANGE = 2005;
RPC_RC_ONSTATISTICSUPDATE = 2006;
RPC_RC_ONWAITINGFORDECRYPTIONKEY = 2007;
RPC_RC_ONDURATIONCHANGE = 2008 [deprecated = true]; // Never actually used
RPC_RC_ONAUDIOCONFIGCHANGE = 2009;
RPC_RC_ONVIDEOCONFIGCHANGE = 2010;
// DemuxerStream message
RPC_DS_INITIALIZE = 3000;
RPC_DS_READUNTIL = 3001;
RPC_DS_ENABLEBITSTREAMCONVERTER = 3002;
// DemuxerStream callbacks
RPC_DS_INITIALIZE_CALLBACK = 3100;
RPC_DS_READUNTIL_CALLBACK = 3101;
// ContentDecryptionModule
RPC_CDM_SETCLIENT = 4000;
RPC_CDM_INITIALIZE = 4001;
RPC_CDM_SETSERVERCERTIFICATE = 4002;
RPC_CDM_CREATESESSIONANDGENERATEREQUEST = 4003;
RPC_CDM_LOADSESSION = 4004;
RPC_CDM_UPDATESESSION = 4005;
RPC_CDM_CLOSESESSION = 4006;
RPC_CDM_REMOVESESSION = 4007;
// ContentDecryptionModule callbacks
RPC_CDM_INITIALIZE_CALLBACK = 4100;
RPC_CDM_SETSERVERCERTIFICATE_CALLBACK = 4101;
RPC_CDM_CREATESESSIONANDGENERATEREQUEST_CALLBACK = 4102;
RPC_CDM_LOADSESSION_CALLBACK = 4103;
RPC_CDM_UPDATESESSION_CALLBACK = 4104;
RPC_CDM_CLOSESESSION_CALLBACK = 4105;
RPC_CDM_REMOVESESSION_CALLBACK = 4106;
// ContentDecryptionModule client
RPC_CDMC_ONSESSIONMESSAGE = 5000;
RPC_CDMC_ONSESSIONCLOSED = 5001;
RPC_CDMC_ONSESSIONKEYSCHANGE = 5002;
RPC_CDMC_ONSESSIONEXPIRATIONUPDATE = 5003;
};
// Component base of RPC message handle. This allows both sender and receiver
// to send or handle message in desired individual components.
optional int32 handle = 1;
// RpcProc of this RPC message
optional RpcProc proc = 2;
oneof rpc_oneof {
// For simple RPC which only passes one parameters can use the following
// various data type variables without using specific proto data structure.
// RPC_ACQUIRE_RENDERER
// RPC_ACQUIRE_RENDERER_DONE
// RPC_ACQUIRE_CDM
// RPC_ACQUIRE_CDM_DONE
// RPC_DS_INITIALIZE_CALLBACK
// RPC_DS_READ
// RPC_CDM_SETCLIENT
int32 integer_value = 3;
// RPC_R_STARTPLAYINGFROM
// RPC_RC_ONDURATIONCHANGE
int64 integer64_value = 4;
// RPC_R_SETPLAYBACKRATE
// RPC_R_SETVOLUME
double double_value = 5;
// RPC_R_INITIALIZE_CALLBACK
// RPC_R_SETCDM_CALLBACK
// RPC_RC_ONVIDEOOPACITYCHANGE
bool boolean_value = 6;
// string only:
// RPC_CDMC_ONSESSIONCLOSED
string string_value = 7;
// RPC_R_INITIALIZE
RendererInitialize renderer_initialize_rpc = 100;
// RPC_R_FLUSHUNTIL
RendererFlushUntil renderer_flushuntil_rpc = 101;
// RPC_R_SETCDM
RendererSetCdm renderer_set_cdm_rpc = 102;
// RPC_RC_ONTIMEUPDATE
RendererClientOnTimeUpdate rendererclient_ontimeupdate_rpc = 200;
// RPC_RC_ONVIDEONATURALSIZECHANGE
Size rendererclient_onvideonatualsizechange_rpc = 201;
// RPC_RC_ONSTATISTICSUPDATE
PipelineStatistics rendererclient_onstatisticsupdate_rpc = 202;
// RPC_RC_ONBUFFERINGSTATECHANGE
RendererClientOnBufferingStateChange
rendererclient_onbufferingstatechange_rpc = 203;
// RPC_RC_ONAUDIOCONFIGCHANGE
RendererClientOnAudioConfigChange rendererclient_onaudioconfigchange_rpc =
204;
// RPC_RC_ONVIDEOCONFIGCHANGE
RendererClientOnVideoConfigChange rendererclient_onvideoconfigchange_rpc =
205;
// RPC_DS_READUNTIL
DemuxerStreamReadUntil demuxerstream_readuntil_rpc = 300;
// RPC_DS_INITIALIZE_CALLBACK
DemuxerStreamInitializeCallback demuxerstream_initializecb_rpc = 400;
// RPC_DS_READUNTIL_CALLBACK
DemuxerStreamReadUntilCallback demuxerstream_readuntilcb_rpc = 401;
// RPC_CDM_INITIALIZE
CdmInitialize cdm_initialize_rpc = 500;
// RPC_CDM_SETSERVERCERTIFICATE
CdmSetServerCertificate cdm_setservercertificate_rpc = 501;
// RPC_CDM_CREATESESSIONANDGENERATEREQUEST
CdmCreateSessionAndGenerateRequest cdm_createsessionandgeneraterequest_rpc =
502;
// RPC_CDM_LOADSESSION
CdmLoadSession cdm_loadsession_rpc = 503;
// RPC_CDM_UPDATESESSION
CdmUpdateSession cdm_updatesession_rpc = 504;
// RPC_CDM_CLOSESESSION
CdmCloseSession cdm_closesession_rpc = 505;
// RPC_CDM_REMOVESESSION
CdmRemoveSession cdm_removesession_rpc = 506;
// CdmPromise message type used for the following procedure
// RPC_CDM_INITIALIZE_CALLBACK
// RPC_CDM_SETSERVERCERTIFICATE_CALLBACK
// RPC_CDM_CREATESESSIONANDGENERATEREQUEST_CALLBACK
// RPC_CDM_LOADSESSION_CALLBACK
// RPC_CDM_UPDATESESSION_CALLBACK
// RPC_CDM_CLOSESESSION_CALLBACK
// RPC_CDM_REMOVESESSION_CALLBACK
CdmPromise cdm_promise_rpc = 600;
// RPC_CDMC_ONSESSIONMESSAGE
CdmClientOnSessionMessage cdmclient_onsessionmessage_rpc = 601;
// RPC_CDMC_ONSESSIONKEYSCHANGE
CdmClientOnSessionKeysChange cdmclient_onsessionkeychange_rpc = 602;
// RPC_CDMC_ONSESSIONEXPIRATIONUPDATE
CdmClientOnSessionExpirationUpdate cdmclient_onsessionexpirationupdate_rpc =
603;
};
}