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Video API, gRPC: StreamLineService.Update

Written by
Updated at May 28, 2026

Updates an existing stream line's metadata and configuration.
Only fields specified in the field_mask will be updated.

gRPC request

rpc Update (UpdateStreamLineRequest) returns (operation.Operation)

UpdateStreamLineRequest

{
  "stream_line_id": "string",
  "field_mask": "google.protobuf.FieldMask",
  "title": "string",
  // Includes only one of the fields `rtmp_push`, `rtmp_pull`, `srt_pull`
  "rtmp_push": "RTMPPushParams",
  "rtmp_pull": {
    "url": "string"
  },
  "srt_pull": {
    "url": "string"
  },
  // end of the list of possible fields
  "labels": "map<string, string>"
}

Field

Description

stream_line_id

string

Required field. ID of the line.

The maximum string length in characters is 50.

field_mask

google.protobuf.FieldMask

Required field. Field mask specifying which fields of the stream line should be updated.
Only fields specified in this mask will be modified;
all other fields will retain their current values.
This allows for partial updates.

title

string

Line title.

The maximum string length in characters is 300.

rtmp_push

RTMPPushParams

RTMP push input type.

Includes only one of the fields rtmp_push, rtmp_pull, srt_pull.

Video signal settings.

rtmp_pull

RTMPPullParams

RTMP pull input type.

Includes only one of the fields rtmp_push, rtmp_pull, srt_pull.

Video signal settings.

srt_pull

SRTPullParams

SRT pull input type.

Includes only one of the fields rtmp_push, rtmp_pull, srt_pull.

Video signal settings.

labels

object (map<string, string>)

New custom labels for the stream line as key:value pairs.
Maximum 64 labels per stream line.
If provided, replaces all existing labels.

The maximum string length in characters for each value is 63. The maximum string length in characters for each key is 63. Each key must match the regular expression [a-z][-_0-9a-z]*. Each value must match the regular expression [-_.@:/0-9a-zA-Z]*. No more than 64 per resource.

RTMPPushParams

Parameters for creating an RTMP push input type stream line.

Field

Description

Empty

RTMPPullParams

Parameters for creating an RTMP pull input type stream line.

Field

Description

url

string

Required field. The RTMP URL from which to pull the video stream.
Must be a valid RTMP URL starting with "rtmp://".

Value must match the regular expression rtmp://.*.

SRTPullParams

Parameters for creating an SRT pull input type stream line.

Field

Description

url

string

Required field. The SRT URL from which to pull the video stream.
Must be a valid SRT URL starting with "srt://".

Value must match the regular expression srt://.*.

operation.Operation

{
  "id": "string",
  "description": "string",
  "created_at": "google.protobuf.Timestamp",
  "created_by": "string",
  "modified_at": "google.protobuf.Timestamp",
  "done": "bool",
  "metadata": "google.protobuf.Any",
  // Includes only one of the fields `error`, `response`
  "error": "google.rpc.Status",
  "response": "google.protobuf.Any"
  // end of the list of possible fields
}

An Operation resource. For more information, see Operation.

Field

Description

id

string

ID of the operation.

description

string

Description of the operation. 0-256 characters long.

created_at

google.protobuf.Timestamp

Creation timestamp.

created_by

string

ID of the user or service account who initiated the operation.

modified_at

google.protobuf.Timestamp

The time when the Operation resource was last modified.

done

bool

If the value is false, it means the operation is still in progress.
If true, the operation is completed, and either error or response is available.

metadata

google.protobuf.Any

Service-specific metadata associated with the operation.
It typically contains the ID of the target resource that the operation is performed on.
Any method that returns a long-running operation should document the metadata type, if any.

error

google.rpc.Status

The error result of the operation in case of failure or cancellation.

Includes only one of the fields error, response.

The operation result.
If done == false and there was no failure detected, neither error nor response is set.
If done == false and there was a failure detected, error is set.
If done == true, exactly one of error or response is set.

response

google.protobuf.Any

The normal response of the operation in case of success.
If the original method returns no data on success, such as Delete,
the response is google.protobuf.Empty.
If the original method is the standard Create/Update,
the response should be the target resource of the operation.
Any method that returns a long-running operation should document the response type, if any.

Includes only one of the fields error, response.

The operation result.
If done == false and there was no failure detected, neither error nor response is set.
If done == false and there was a failure detected, error is set.
If done == true, exactly one of error or response is set.
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