Media Remoting Clean-up: Less-redundant naming, style consistency, etc.

media/remoting/proto/remoting_rpc_message.proto

Index: media/remoting/proto/remoting_rpc_message.proto
diff --git a/media/remoting/proto/remoting_rpc_message.proto b/media/remoting/proto/remoting_rpc_message.proto
deleted file mode 100644
index 06f630b6e43af0d4cc4dc8606fb2e36590fa557e..0000000000000000000000000000000000000000
--- a/media/remoting/proto/remoting_rpc_message.proto
+++ /dev/null
@@ -1,598 +0,0 @@
-// 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;
-  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;
-  }
-
-  // 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;
-  };
-
-  // 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;
-  };
-
-  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;
-  }
-
-  // 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;
-  };
-
-  // 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_YV16 = 3;
-    PIXEL_FORMAT_YV12A = 4;
-    PIXEL_FORMAT_YV24 = 5;
-    PIXEL_FORMAT_NV12 = 6;
-    PIXEL_FORMAT_NV21 = 7;
-    PIXEL_FORMAT_UYVY = 8;
-    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_MT21 = 15;
-    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;
-    PIXEL_FORMAT_Y16 = 26;
-    PIXEL_FORMAT_I422 = 27;
-  };
-
-  // 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;
-}
-
-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;
-}
-
-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;
-};
-
-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;
-  QUOTA_EXCEEDED_ERROR = 3;
-  UNKNOWN_ERROR = 4;
-  CLIENT_ERROR = 5;
-  OUTPUT_ERROR = 6;
-}
-
-// Proto version of media::ContentDecryptionModule::MessageType.
-// NEVER change these numbers or re-use old ones; only add new ones.
-enum CdmMessageType {
-  LICENSE_REQUEST = 0;
-  LICENSE_RENEWAL = 1;
-  LICENSE_RELEASE = 2;
-}
-
-// Proto version of media::CdmSessionType.
-// NEVER change these numbers or re-use old ones; only add new ones.
-enum CdmSessionType {
-  TEMPORARY_SESSION = 0;
-  PERSISTENT_LICENSE_SESSION = 1;
-  PERSISTENT_RELEASE_MESSAGE_SESSION = 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 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;
-  };
-
-  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;
-    // 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_ONTIMEUPDATE
-    RendererClientOnBufferingStateChange
-        rendererclient_onbufferingstatechange_rpc = 203;
-
-    // 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;
-  };
-}