Creating a flow that uses a standard source - AWS Elemental MediaConnect

Creating a flow that uses a standard source

A flow consists of one source, a name, and an Availability Zone. The ability to choose an Availability Zone allows you to create multiple flows within an AWS Region for redundancy. After you create a flow, you can add up to 50 outputs and up to 50 entitlements.

A flow uses a standard source when the content comes from anywhere other than a VPC (VPC source) or another AWS account (entitled source).

Important

If the source of your flow requires encryption, set up encryption before you begin this procedure.

To create a flow that uses a standard source (console)

  1. Open the MediaConnect console at https://console.aws.amazon.com/mediaconnect/.

  2. On the Flows page, choose Create flow.

  3. In the Details section, for Name, specify a name for your flow. This name will become part of the ARN for this flow.

    Note

    MediaConnect allows you to create multiple flows with the same name. However, we encourage you to use unique flow names within an AWS Region to help with organization. After you create a flow, you can't change the name.

  4. For Availability Zone, choose an Availability Zone for your flow. Use this option when you are setting up redundant flows. Otherwise, you can leave this as Any. If you leave the default, the service will randomly assign an Availability Zone within the current AWS Region, or if your source comes from a VPC, the service will assign the Availability Zone of the VPC subnet to the flow.

  5. Determine which protocol your source uses.

    Note

    If you want to specify redundant sources for failover, create the flow with one of the sources. After the flow is created, update it to enable failover on the source, and add the second source to the flow. Because MediaConnect treats both sources as the primary source, it doesn't matter which one you specify when you first create the flow.

  6. For specific instructions based on your source type and protocol, choose one of the following tabs:

    RIST
    1. In the Source section, for Source type, choose Standard source.

    2. For Name, specify a name for your source. This value is an identifier that is visible only on the MediaConnect console.

    3. For Protocol, choose RIST.

    4. For Ingest port, specify the port that the flow will listen on for incoming content.

      Note

      The RIST protocol requires one additional port for error correction. To accommodate this requirement, MediaConnect reserves the port that is +1 from the port that you specify. For example, if you specify port 4000 for the output, the service assigns ports 4000 and 4001.

    5. For Whitelist CIDR, specify a range of IP addresses that are allowed to contribute content to your source. Format the IP addresses as a Classless Inter-Domain Routing (CIDR) block, for example, 10.24.34.0/23. For more information about CIDR notation, see RFC 4632.

      Important

      Specify a CIDR block that is as precise as possible. Include only the IP addresses that you want to contribute content to your flow. If you specify a CIDR block that is too wide, it allows for the possibility of outside parties sending content to your flow.

    6. For Maximum bitrate, specify the maximum expected bitrate (in bits per second) for the flow. We recommend that you specify a value that is twice the actual bitrate.

    7. For Maximum latency, specify the size of the buffer (delay) that you want the service to maintain. A higher latency value means a longer delay in transmitting the stream, but more room for error correction. A lower latency value means a shorter delay, but less room for error correction. You can choose a value from 1-15,000 ms. If you keep this field blank, the service uses the default value of 2,000 ms.

    RTP or RTP-FEC
    1. In the Source section, for Source type, choose Standard source.

    2. For Name, specify a name for your source. This value is an identifier that is visible only on the MediaConnect console. It is not visible to anyone outside of the current AWS account.

    3. For Protocol, choose RTP or RTP-FEC.

    4. For Ingest port, specify the port that the flow will listen on for incoming content.

      Note

      The RTP-FEC protocol requires two additional ports for error correction. To accommodate this requirement, MediaConnect reserves the ports that are +2 and +4 from the port that you specify. For example, if you specify port 4000 for the output, the service assigns ports 4000, 4002, and 4004.

    5. For Whitelist CIDR, specify a range of IP addresses that are allowed to contribute content to your source. Format the IP addresses as a Classless Inter-Domain Routing (CIDR) block, for example, 10.24.34.0/23. For more information about CIDR notation, see RFC 4632.

      Important

      Specify a CIDR block that is as precise as possible. Include only the IP addresses that you want to contribute content to your flow. If you specify a CIDR block that is too wide, it allows for the possibility of outside parties sending content to your flow.

    6. For Maximum bitrate, specify the maximum expected bitrate (in bits per second) for the flow. We recommend that you specify a value that is twice the actual bitrate.

    SRT - listener
    1. In the Source section, for Source type, choose Standard source.

    2. For Inbound port, specify the port that the flow listens on for incoming content.

    3. For Whitelist CIDR, specify a range of IP addresses that are allowed to contribute content to your source. Format the IP addresses as a Classless Inter-Domain Routing (CIDR) block, for example, 10.24.34.0/23. For more information about CIDR notation, see RFC 4632.

      Important

      Specify a CIDR block that is as precise as possible. Include only the IP addresses that you want to contribute content to your flow. If you specify a CIDR block that is too wide, it allows for the possibility of outside parties sending content to your flow.

    4. For Source description, enter a description that will remind you later where this source is from. This might be the company name or notes about the setup.

    5. For Maximum bitrate, specify the maximum expected bitrate (in bits per second) for the flow. We recommend that you specify a value that is twice the actual bitrate.

    6. For Minimum latency, specify the minimum size of the buffer (delay) that you want the service to maintain. A higher latency value means a longer delay in transmitting the stream, but more room for error correction. A lower latency value means a shorter delay, but less room for error correction. You can choose a value from 100–15,000 ms. If you keep this field blank, MediaConnect uses the default value of 2,000 ms.

    7. If the source is encrypted, choose Enable in the Decryption section and do the following:

      1. For Role ARN, specify the ARN of the role that you created when you set up encryption.

      2. For Secret ARN, specify the ARN that AWS Secrets Manager assigned when you created the secret to store the encryption key.

    Zixi push
    1. In the Source section, for Source type, choose Standard source.

    2. For Name, specify a name for your source. This value is an identifier that is visible only on the MediaConnect console. It is not visible to anyone outside of the current AWS account.

    3. For Protocol, choose Zixi push.

      MediaConnect populates the value of the ingest port.

    4. For Whitelist CIDR, specify a range of IP addresses that are allowed to contribute content to your source. Format the IP addresses as a Classless Inter-Domain Routing (CIDR) block, for example, 10.24.34.0/23. For more information about CIDR notation, see RFC 4632.

      Important

      Specify a CIDR block that is as precise as possible. Include only the IP addresses that you want to contribute content to your flow. If you specify a CIDR block that is too wide, it allows for the possibility of outside parties sending content to your flow.

    5. For Stream ID, specify the stream ID set in the Zixi feeder.

      Important

      If you leave this field blank, the service uses the source name as the stream ID. Because the stream ID must match the value set in the Zixi feeder, you need to specify the stream ID if it is not exactly the same as the source name.

    6. For Maximum latency, specify the size of the buffer (delay) that you want the service to maintain. A higher latency value means a longer delay in transmitting the stream, but more room for error correction. A lower latency value means a shorter delay, but less room for error correction. You can choose a value between 0 and 60,000 ms. If you keep this field blank, the service uses the default value of 6,000 ms.

    7. If the source is encrypted, choose Enable in the Decryption section and do the following:

      1. For Decryption type, choose Static key.

      2. For Role ARN, specify the ARN of the role that you created when you set up encryption.

      3. For Secret ARN, specify the ARN that AWS Secrets Manager assigned when you created the secret to store the encryption key.

      4. For Decryption algorithm, choose the type of encryption that was used to encrypt the source.

  7. At the bottom of the page, choose Create flow.

    Note

    The flow doesn't start automatically. You must start the flow manually.

  8. Add outputs to specify where you want MediaConnect to send the content, or grant entitlements to allow users of other AWS accounts to subscribe to your content.

To create a flow (AWS CLI)

  1. Create a JSON file that contains the details of the flow that you want to create.

    The following example shows the structure for the contents of the file:

    { "Name": "AwardsShow", "Outputs": [ { "Destination": "198.51.100.5", "Description": "RTP output", "Name": "RTPOutput", "Protocol": "rtp", "Port": 5020 } ], "Source": { "Name": "AwardsShowSource", "Protocol": "rtp-fec", "WhitelistCidr": "10.24.34.0/23" } }
  2. In the AWS CLI, use the create-flow command:

    aws mediaconnect create-flow --cli-input-json file://rtp.json --profile PMprofile

    The following example shows the return value:

    { "Flow": { "EgressIp": "203.0.113.0", "AvailabilityZone": "us-east-1d", "Name": "AwardsShow", "Status": "STANDBY", "FlowArn": "arn:aws:mediaconnect:us-east-1:111122223333:flow:1-23aBC45dEF67hiJ8-12AbC34DE5fG:AwardsShow", "Source": { "SourceArn": "arn:aws:mediaconnect:us-east-1:111122223333:source:3-4aBC56dEF78hiJ90-4de5fG6Hi78Jk:AwardsShowSource", "Name": "AwardsShowSource", "IngestPort": 5000, "WhitelistCidr": "10.24.34.0/23", "IngestIp": "198.51.100.15", "Transport": { "Protocol": "rtp-fec", "MaxBitrate": 80000000 } }, "Entitlements": [], "Outputs": [ { "Port": 5020, "Name": "AwardsShowOutput", "OutputArn": "arn:aws:mediaconnect:us-east-1:111122223333:output:2-3aBC45dEF67hiJ89-c34de5fG678h:AwardsShowOutput", "Description": "RTP-FEC Output", "Destination": "198.51.100.5", "Transport": { "Protocol": "rtp", "SmoothingLatency": 0 } } ] } }