# 在 Amazon ECS 任务定义中指定视频转码 以下示例中，提供了用于 Amazon EC2 上 Linux 容器的任务定义的语法。此任务定义适用于按照 [Xilinx 文档](https://xilinx.github.io/video-sdk/v1.5/container_setup.html#creating-a-docker-image-for-vt1-usage)中提供的过程构建的容器映像。如果使用此示例，请将 `image` 替换为您自己的映像，然后将视频文件复制到 `/home/ec2-user` 目录中的实例。 ------ #### [ vt1.3xlarge ] 1. 使用以下内容创建名为 `vt1-3xlarge-ffmpeg-linux.json` 的文本文件。 ``` { "family": "vt1-3xlarge-xffmpeg-processor", "requiresCompatibilities": ["EC2"], "placementConstraints": [ { "type": "memberOf", "expression": "attribute:ecs.os-type == linux" }, { "type": "memberOf", "expression": "attribute:ecs.instance-type == vt1.3xlarge" } ], "containerDefinitions": [ { "entryPoint": [ "/bin/bash", "-c" ], "command": ["/video/ecs_ffmpeg_wrapper.sh"], "linuxParameters": { "devices": [ { "containerPath": "/dev/dri/renderD128", "hostPath": "/dev/dri/renderD128", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD129", "hostPath": "/dev/dri/renderD129", "permissions": [ "read", "write" ] } ] }, "mountPoints": [ { "containerPath": "/video", "sourceVolume": "video_file" } ], "cpu": 0, "memory": 12000, "image": "0123456789012.dkr.ecr.us-west-2.amazonaws.com/aws/xilinx-xffmpeg", "essential": true, "name": "xilinix-xffmpeg" } ], "volumes": [ { "name": "video_file", "host": {"sourcePath": "/home/ec2-user"} } ] } ``` 1. 注册任务定义。 ``` aws ecs register-task-definition --family {{vt1-3xlarge-xffmpeg-processor}} --cli-input-json file://{{vt1-3xlarge-xffmpeg-linux.json}} --region {{us-east-1}} ``` ------ #### [ vt1.6xlarge ] 1. 使用以下内容创建名为 `vt1-6xlarge-ffmpeg-linux.json` 的文本文件。 ``` { "family": "vt1-6xlarge-xffmpeg-processor", "requiresCompatibilities": ["EC2"], "placementConstraints": [ { "type": "memberOf", "expression": "attribute:ecs.os-type == linux" }, { "type": "memberOf", "expression": "attribute:ecs.instance-type == vt1.6xlarge" } ], "containerDefinitions": [ { "entryPoint": [ "/bin/bash", "-c" ], "command": ["/video/ecs_ffmpeg_wrapper.sh"], "linuxParameters": { "devices": [ { "containerPath": "/dev/dri/renderD128", "hostPath": "/dev/dri/renderD128", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD129", "hostPath": "/dev/dri/renderD129", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD130", "hostPath": "/dev/dri/renderD130", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD131", "hostPath": "/dev/dri/renderD131", "permissions": [ "read", "write" ] } ] }, "mountPoints": [ { "containerPath": "/video", "sourceVolume": "video_file" } ], "cpu": 0, "memory": 12000, "image": "0123456789012.dkr.ecr.us-west-2.amazonaws.com/aws/xilinx-xffmpeg", "essential": true, "name": "xilinix-xffmpeg" } ], "volumes": [ { "name": "video_file", "host": {"sourcePath": "/home/ec2-user"} } ] } ``` 1. 注册任务定义。 ``` aws ecs register-task-definition --family {{vt1-6xlarge-xffmpeg-processor}} --cli-input-json file://{{vt1-6xlarge-xffmpeg-linux.json}} --region {{us-east-1}} ``` ------ #### [ vt1.24xlarge ] 1. 使用以下内容创建名为 `vt1-24xlarge-ffmpeg-linux.json` 的文本文件。 ``` { "family": "vt1-24xlarge-xffmpeg-processor", "requiresCompatibilities": ["EC2"], "placementConstraints": [ { "type": "memberOf", "expression": "attribute:ecs.os-type == linux" }, { "type": "memberOf", "expression": "attribute:ecs.instance-type == vt1.24xlarge" } ], "containerDefinitions": [ { "entryPoint": [ "/bin/bash", "-c" ], "command": ["/video/ecs_ffmpeg_wrapper.sh"], "linuxParameters": { "devices": [ { "containerPath": "/dev/dri/renderD128", "hostPath": "/dev/dri/renderD128", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD129", "hostPath": "/dev/dri/renderD129", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD130", "hostPath": "/dev/dri/renderD130", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD131", "hostPath": "/dev/dri/renderD131", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD132", "hostPath": "/dev/dri/renderD132", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD133", "hostPath": "/dev/dri/renderD133", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD134", "hostPath": "/dev/dri/renderD134", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD135", "hostPath": "/dev/dri/renderD135", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD136", "hostPath": "/dev/dri/renderD136", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD137", "hostPath": "/dev/dri/renderD137", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD138", "hostPath": "/dev/dri/renderD138", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD139", "hostPath": "/dev/dri/renderD139", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD140", "hostPath": "/dev/dri/renderD140", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD141", "hostPath": "/dev/dri/renderD141", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD142", "hostPath": "/dev/dri/renderD142", "permissions": [ "read", "write" ] }, { "containerPath": "/dev/dri/renderD143", "hostPath": "/dev/dri/renderD143", "permissions": [ "read", "write" ] } ] }, "mountPoints": [ { "containerPath": "/video", "sourceVolume": "video_file" } ], "cpu": 0, "memory": 12000, "image": "0123456789012.dkr.ecr.us-west-2.amazonaws.com/aws/xilinx-xffmpeg", "essential": true, "name": "xilinix-xffmpeg" } ], "volumes": [ { "name": "video_file", "host": {"sourcePath": "/home/ec2-user"} } ] } ``` 1. 注册任务定义。 ``` aws ecs register-task-definition --family {{vt1-24xlarge-xffmpeg-processor}} --cli-input-json file://{{vt1-24xlarge-xffmpeg-linux.json}} --region {{us-east-1}} ``` ------