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Video API, gRPC: StreamLineService.Create

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Updated at July 8, 2026
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Creates a new stream line in the specified channel with the provided configuration.
Stream lines define the technical settings for receiving and processing video signals.

gRPC request

rpc Create (CreateStreamLineRequest) returns (operation.Operation)

CreateStreamLineRequest

{
  "channel_id": "string",
  "title": "string",
  "input_source": "LineInputSource",
  // Includes only one of the fields `rtmp_push`, `rtmp_pull`, `srt_pull`
  "rtmp_push": "RTMPPushParams",
  "rtmp_pull": {
    "url": "string",
    "backup_url": "string"
  },
  "srt_pull": {
    "url": "string",
    "backup_url": "string"
  },
  // end of the list of possible fields
  // Includes only one of the fields `manual_line`, `auto_line`
  "manual_line": "ManualLineParams",
  "auto_line": "AutoLineParams",
  // end of the list of possible fields
  "labels": "map<string, string>"
}

Field

Description

channel_id

string

Required field. ID of the channel.

The maximum string length in characters is 50.

title

string

Required field. Line title.

The maximum string length in characters is 300.

input_source

enum LineInputSource

Specifies which input source (main or backup) should be used.
Default is LINE_INPUT_SOURCE_MAIN if not specified.

  • ANY: Use any available input source (main or backup).
  • MAIN: Use main input source.
  • BACKUP: Use backup input source (works only if backup input source is provided).

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.

manual_line

ManualLineParams

Manual stream control.

Includes only one of the fields manual_line, auto_line.

Line type.
The line type selection is permanent and cannot be switched between manual_line
and auto_line after creation. However, the parameters inside
the existing type structure can be modified.

auto_line

AutoLineParams

Automatic stream control.

Includes only one of the fields manual_line, auto_line.

Line type.
The line type selection is permanent and cannot be switched between manual_line
and auto_line after creation. However, the parameters inside
the existing type structure can be modified.

labels

object (map<string, string>)

Custom user-defined labels as key:value pairs.
Maximum 64 labels per stream line.
Keys must be lowercase alphanumeric strings with optional hyphens/underscores.
Values can contain alphanumeric characters and various symbols.

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://.*.

backup_url

string

The backup RTMP URL from which to pull the video stream.

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://.*.

backup_url

string

The backup SRT URL from which to pull the video stream.

Value must match the regular expression (|srt://.*).

ManualLineParams

Parameters for manual stream line.

Field

Description

Empty

AutoLineParams

Parameters for auto stream line.

Field

Description

Empty

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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