AWS CDK Reference

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v2.276.0

Experimental

@aws-cdk/aws-medialive-alpha is an experimental (alpha) package: its API may change in any release, without a major version bump.

QvbrRateControlProps Struct ​

Properties for QVBR rate control.

Stability
Experimental
Source
lib/video-codec-settings.ts

Example ​

ts
// H.264
const h264 = medialive.EncodeConfiguration.video({
  name: 'h264_720p',
  codec: medialive.VideoCodecSettings.h264({
    rateControl: medialive.H264RateControl.cbr({ bitrate: Bitrate.mbps(3) }),
    framerate: medialive.Framerate.FPS_30,
    profile: medialive.H264Profile.HIGH,
  }),
  width: 1280,
  height: 720,
});

// H.265
const h265 = medialive.EncodeConfiguration.video({
  name: 'h265_1080p',
  codec: medialive.VideoCodecSettings.h265({
    rateControl: medialive.H265RateControl.qvbr({
      maxBitrate: Bitrate.mbps(5),
      qvbrQualityLevel: 7,
    }),
    framerate: medialive.Framerate.FPS_30,
    profile: medialive.H265Profile.MAIN,
    tier: medialive.H265Tier.HIGH,
  }),
  width: 1920,
  height: 1080,
});
python
# H.264
h264 = medialive.EncodeConfiguration.video(
    name="h264_720p",
    codec=medialive.VideoCodecSettings.h264(
        rate_control=medialive.H264RateControl.cbr(bitrate=Bitrate.mbps(3)),
        framerate=medialive.Framerate.FPS_30,
        profile=medialive.H264Profile.HIGH
    ),
    width=1280,
    height=720
)

# H.265
h265 = medialive.EncodeConfiguration.video(
    name="h265_1080p",
    codec=medialive.VideoCodecSettings.h265(
        rate_control=medialive.H265RateControl.qvbr(
            max_bitrate=Bitrate.mbps(5),
            qvbr_quality_level=7
        ),
        framerate=medialive.Framerate.FPS_30,
        profile=medialive.H265Profile.MAIN,
        tier=medialive.H265Tier.HIGH
    ),
    width=1920,
    height=1080
)
java
// H.264
EncodeConfiguration h264 = EncodeConfiguration.video(VideoEncodeProps.builder()
        .name("h264_720p")
        .codec(VideoCodecSettings.h264(H264SettingsProps.builder()
                .rateControl(H264RateControl.cbr(CbrRateControlProps.builder().bitrate(Bitrate.mbps(3)).build()))
                .framerate(Framerate.FPS_30)
                .profile(H264Profile.HIGH)
                .build()))
        .width(1280)
        .height(720)
        .build());

// H.265
EncodeConfiguration h265 = EncodeConfiguration.video(VideoEncodeProps.builder()
        .name("h265_1080p")
        .codec(VideoCodecSettings.h265(H265SettingsProps.builder()
                .rateControl(H265RateControl.qvbr(QvbrRateControlProps.builder()
                        .maxBitrate(Bitrate.mbps(5))
                        .qvbrQualityLevel(7)
                        .build()))
                .framerate(Framerate.FPS_30)
                .profile(H265Profile.MAIN)
                .tier(H265Tier.HIGH)
                .build()))
        .width(1920)
        .height(1080)
        .build());
csharp
// Install: dotnet add package Amazon.CDK.AWS.MediaLive.Alpha
// H.264
var h264 = EncodeConfiguration.Video(new VideoEncodeProps {
    Name = "h264_720p",
    Codec = VideoCodecSettings.H264(new H264SettingsProps {
        RateControl = H264RateControl.Cbr(new CbrRateControlProps { Bitrate = Bitrate.Mbps(3) }),
        Framerate = Framerate.FPS_30,
        Profile = H264Profile.HIGH
    }),
    Width = 1280,
    Height = 720
});

// H.265
var h265 = EncodeConfiguration.Video(new VideoEncodeProps {
    Name = "h265_1080p",
    Codec = VideoCodecSettings.H265(new H265SettingsProps {
        RateControl = H265RateControl.Qvbr(new QvbrRateControlProps {
            MaxBitrate = Bitrate.Mbps(5),
            QvbrQualityLevel = 7
        }),
        Framerate = Framerate.FPS_30,
        Profile = H265Profile.MAIN,
        Tier = H265Tier.HIGH
    }),
    Width = 1920,
    Height = 1080
});
go
// Install: go get github.com/aws/aws-cdk-go/awsmedialivealpha/v2
// H.264
h264 := medialive.EncodeConfiguration_Video(&VideoEncodeProps{
	Name: jsii.String("h264_720p"),
	Codec: medialive.VideoCodecSettings_H264(&H264SettingsProps{
		RateControl: medialive.H264RateControl_Cbr(&CbrRateControlProps{
			Bitrate: awscdk.Bitrate_Mbps(jsii.Number(3)),
		}),
		Framerate: medialive.Framerate_FPS_30(),
		Profile: medialive.H264Profile_HIGH(),
	}),
	Width: jsii.Number(1280),
	Height: jsii.Number(720),
})

// H.265
h265 := medialive.EncodeConfiguration_Video(&VideoEncodeProps{
	Name: jsii.String("h265_1080p"),
	Codec: medialive.VideoCodecSettings_H265(&H265SettingsProps{
		RateControl: medialive.H265RateControl_Qvbr(&QvbrRateControlProps{
			MaxBitrate: awscdk.Bitrate_*Mbps(jsii.Number(5)),
			QvbrQualityLevel: jsii.Number(7),
		}),
		Framerate: medialive.Framerate_FPS_30(),
		Profile: medialive.H265Profile_MAIN(),
		Tier: medialive.H265Tier_HIGH(),
	}),
	Width: jsii.Number(1920),
	Height: jsii.Number(1080),
})

Properties ​

maxBitrateBitratemax_bitrateBitratemaxBitrateBitrateMaxBitrateBitrateMaxBitrateBitraterequired#
The maximum bitrate.
qvbrQualityLeveloptionalnumberqvbr_quality_leveloptionalint | floatqvbrQualityLeveloptionalNumberQvbrQualityLeveloptionaldoubleQvbrQualityLeveloptional*float64#
The QVBR quality level (1-10).

Default: MediaLive infers the quality level from the resolution and max bitrate

Leave unset to let MediaLive infer the target quality from the output resolution and max bitrate.