feat(ivs-alpha): support advanced channel type

packages/@aws-cdk/aws-ivs-alpha/README.md

@@ -39,6 +39,24 @@ You can create a channel
 const myChannel = new ivs.Channel(this, 'Channel');
 ```
 
+You can use Advanced Channel type by setting the `type` property to
+`ivs.ChannelType.ADVANCED_HD` or `ivs.ChannelType.ADVANCED_SD`.
+
+Additionally, when using the Advanced Channel type, you can set
+the `preset` property to `ivs.Preset.CONSTRAINED_BANDWIDTH_DELIVERY`
+or `ivs.Preset.HIGHER_BANDWIDTH_DELIVERY`.
+If you don't specify the `preset`, `ivs.Preset.CONSTRAINED_BANDWIDTH_DELIVERY` is set by default.
+
+For more information, see [Amazon IVS Streaming Configuration](See also: https://docs.aws.amazon.com/ivs/latest/LowLatencyUserGuide/streaming-config.html).
+
+```ts
+const myChannel = new ivs.Channel(stack, 'myChannel', {
+  type: ivs.ChannelType.ADVANCED_HD,
+  preset: ivs.Preset.CONSTRAINED_BANDWIDTH_DELIVERY,
+});
+```
+
+
 ### Importing an existing channel
 
 You can reference an existing channel, for example, if you need to create a
@@ -87,5 +105,3 @@ const myChannel = new ivs.Channel(this, 'Channel', {
   authorized: true, // default value is false
 });
 ```
-
-

packages/@aws-cdk/aws-ivs-alpha/lib/channel.ts

@@ -56,8 +56,9 @@ export enum LatencyMode {
 */
 export enum ChannelType {
   /**
-   * Multiple qualities are generated from the original input, to automatically give viewers the best experience for
-   * their devices and network conditions.
+   * Multiple qualities are generated from the original input, to automatically give viewers the best experience for their devices and network conditions.
+   * Transcoding allows higher playback quality across a range of download speeds. Resolution can be up to 1080p and bitrate can be up to 8.5 Mbps.
+   * Audio is transcoded only for renditions 360p and below; above that, audio is passed through.
    *
    * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
    */
@@ -69,6 +70,42 @@ export enum ChannelType {
    * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
    */
   BASIC = 'BASIC',
+
+  /**
+   * Multiple qualities are generated from the original input, to automatically give viewers the best experience for their devices and network conditions.
+   * Input resolution can be up to 1080p and bitrate can be up to 8.5 Mbps; output is capped at SD quality (480p).
+   * Audio for all renditions is transcoded, and an audio-only rendition is available.
+   *
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
+   */
+  ADVANCED_SD = 'ADVANCED_SD',
+
+  /**
+   * Multiple qualities are generated from the original input, to automatically give viewers the best experience for their devices and network conditions.
+   * Input resolution can be up to 1080p and bitrate can be up to 8.5 Mbps; output is capped at HD quality (720p).
+   * Audio for all renditions is transcoded, and an audio-only rendition is available.
+   *
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
+   */
+  ADVANCED_HD = 'ADVANCED_HD',
+}
+
+/**
+  * An optional transcode preset for the channel. This is selectable only for ADVANCED_HD and ADVANCED_SD channel types.
+*/
+export enum Preset {
+  /**
+   * Use a lower bitrate than STANDARD for each quality level. Use it if you have low download bandwidth and/or simple video content (e.g., talking heads).
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
+   */
+  CONSTRAINED_BANDWIDTH_DELIVERY = 'CONSTRAINED_BANDWIDTH_DELIVERY',
+
+  /**
+   * Use a higher bitrate for each quality level. Use it if you have high download bandwidth and/or complex video content (e.g., flashes and quick scene changes).
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ivs-channel.html
+   */
+  HIGHER_BANDWIDTH_DELIVERY = 'HIGHER_BANDWIDTH_DELIVERY',
+
 }
 
 /**
@@ -107,6 +144,13 @@ export interface ChannelProps {
    * @default ChannelType.STANDARD
    */
   readonly type?: ChannelType;
+
+  /**
+   * An optional transcode preset for the channel. Can be used for ADVANCED_HD and ADVANCED_SD channel types.
+   *
+   * @default - Preset.HIGHER_BANDWIDTH_DELIVERY when channel type is ADVANCED_SD or ADVANCED_HD.
+   */
+  readonly preset?: Preset;
 }
 
 /**
@@ -162,11 +206,22 @@ export class Channel extends ChannelBase {
       throw new Error(`channelName must contain only numbers, letters, hyphens and underscores, got: '${this.physicalName}'`);
     }
 
+    if ((props.type === ChannelType.STANDARD || props.type === ChannelType.BASIC) && props.preset !== undefined) {
+      throw new Error('preset cannot be used when STANDARD or BASIC channel type');
+    }
+
+    let preset = undefined;
+
+    if (props.type === ChannelType.ADVANCED_HD || props.type === ChannelType.ADVANCED_SD) {
+      preset = props.preset || Preset.HIGHER_BANDWIDTH_DELIVERY;
+    }
+
     const resource = new CfnChannel(this, 'Resource', {
       authorized: props.authorized,
       latencyMode: props.latencyMode,
       name: this.physicalName,
       type: props.type,
+      preset: preset,
     });
 
     this.channelArn = resource.attrArn;

packages/@aws-cdk/aws-ivs-alpha/test/integ.ivs-channel-advanced.js.snapshot/aws-cdk-ivs.template.json

@@ -0,0 +1,54 @@
+{
+ "Resources": {
+  "AdvancedChannelWithoutPresetSetting56CDB01B": {
+   "Type": "AWS::IVS::Channel",
+   "Properties": {
+    "Name": "aws-cdk-ivsAdvancedChannelWithoutPresetSettingDB3FDF65",
+    "Preset": "HIGHER_BANDWIDTH_DELIVERY",
+    "Type": "ADVANCED_SD"
+   }
+  },
+  "AdvancedChannelWithPresetSetting5981FCA9": {
+   "Type": "AWS::IVS::Channel",
+   "Properties": {
+    "Name": "aws-cdk-ivsAdvancedChannelWithPresetSettingA6588A59",
+    "Preset": "CONSTRAINED_BANDWIDTH_DELIVERY",
+    "Type": "ADVANCED_HD"
+   }
+  }
+ },
+ "Parameters": {
+  "BootstrapVersion": {
+   "Type": "AWS::SSM::Parameter::Value<String>",
+   "Default": "/cdk-bootstrap/hnb659fds/version",
+   "Description": "Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store. [cdk:skip]"
+  }
+ },
+ "Rules": {
+  "CheckBootstrapVersion": {
+   "Assertions": [
+    {
+     "Assert": {
+      "Fn::Not": [
+       {
+        "Fn::Contains": [
+         [
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+         ],
+         {
+          "Ref": "BootstrapVersion"
+         }
+        ]
+       }
+      ]
+     },
+     "AssertDescription": "CDK bootstrap stack version 6 required. Please run 'cdk bootstrap' with a recent version of the CDK CLI."
+    }
+   ]
+  }
+ }
+}