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add sample for creating a channel with backup input (#30)
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| /** | ||
| * Copyright 2022, Google, Inc. | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| 'use strict'; | ||
|
|
||
| function main( | ||
| projectId, | ||
| location, | ||
| channelId, | ||
| primaryInputId, | ||
| backupInputId, | ||
| outputUri | ||
| ) { | ||
| // [START livestream_create_channel_with_backup_input] | ||
| /** | ||
| * TODO(developer): Uncomment these variables before running the sample. | ||
| */ | ||
| // projectId = 'my-project-id'; | ||
| // location = 'us-central1'; | ||
| // channelId = 'my-channel'; | ||
| // primaryInputId = 'my-primary-input'; | ||
| // backupInputId = 'my-backup-input'; | ||
| // outputUri = 'gs://my-bucket/my-output-folder/'; | ||
|
|
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| // Imports the Livestream library | ||
| const {LivestreamServiceClient} = require('@google-cloud/livestream').v1; | ||
|
|
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| // Instantiates a client | ||
| const livestreamServiceClient = new LivestreamServiceClient(); | ||
|
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| async function createChannelWithBackupInput() { | ||
| // Construct request | ||
| const request = { | ||
| parent: livestreamServiceClient.locationPath(projectId, location), | ||
| channelId: channelId, | ||
| channel: { | ||
| inputAttachments: [ | ||
| { | ||
| key: 'my-primary-input', | ||
| input: livestreamServiceClient.inputPath( | ||
| projectId, | ||
| location, | ||
| primaryInputId | ||
| ), | ||
| automaticFailover: { | ||
| inputKeys: ['my-backup-input'], | ||
| }, | ||
| }, | ||
| { | ||
| key: 'my-backup-input', | ||
| input: livestreamServiceClient.inputPath( | ||
| projectId, | ||
| location, | ||
| backupInputId | ||
| ), | ||
| }, | ||
| ], | ||
| output: { | ||
| uri: outputUri, | ||
| }, | ||
| elementaryStreams: [ | ||
| { | ||
| key: 'es_video', | ||
| videoStream: { | ||
| h264: { | ||
| profile: 'main', | ||
| heightPixels: 720, | ||
| widthPixels: 1280, | ||
| bitrateBps: 1000000, | ||
| frameRate: 30, | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| key: 'es_audio', | ||
| audioStream: { | ||
| codec: 'aac', | ||
| channelCount: 2, | ||
| bitrateBps: 160000, | ||
| }, | ||
| }, | ||
| ], | ||
| muxStreams: [ | ||
| { | ||
| key: 'mux_video', | ||
| elementaryStreams: ['es_video'], | ||
| segmentSettings: { | ||
| seconds: 2, | ||
| }, | ||
| }, | ||
| { | ||
| key: 'mux_audio', | ||
| elementaryStreams: ['es_audio'], | ||
| segmentSettings: { | ||
| seconds: 2, | ||
| }, | ||
| }, | ||
| ], | ||
| manifests: [ | ||
| { | ||
| fileName: 'manifest.m3u8', | ||
| type: 'HLS', | ||
| muxStreams: ['mux_video', 'mux_audio'], | ||
| maxSegmentCount: 5, | ||
| }, | ||
| ], | ||
| }, | ||
| }; | ||
|
|
||
| // Run request | ||
| const [operation] = await livestreamServiceClient.createChannel(request); | ||
| const response = await operation.promise(); | ||
| const [channel] = response; | ||
| console.log(`Channel: ${channel.name}`); | ||
| } | ||
|
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| createChannelWithBackupInput(); | ||
| // [END livestream_create_channel_with_backup_input] | ||
| } | ||
|
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| // node createChannelWithBackupInput.js <projectId> <location> <channelId> <primaryInputId> <backupInputId> <outputUri> | ||
| process.on('unhandledRejection', err => { | ||
| console.error(err.message); | ||
| process.exitCode = 1; | ||
| }); | ||
| main(...process.argv.slice(2)); |
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