文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# MediaConvert 使用 Kotlin 开发工具包的示例
<a name="kotlin_1_mediaconvert_code_examples"></a>

以下代码示例向您展示了如何使用适用于 Kotlin 的 AWS SDK 来执行操作和实现常见场景。 MediaConvert

*操作*是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景的上下文查看操作。

每个示例都包含一个指向完整源代码的链接，您可以从中找到有关如何在上下文中设置和运行代码的说明。

**Topics**
+ [操作](#actions)

## 操作
<a name="actions"></a>

### `CreateJob`
<a name="mediaconvert_CreateJob_kotlin_1_topic"></a>

以下代码示例演示了如何使用 `CreateJob`。

**适用于 Kotlin 的 SDK**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/mediaconvert#code-examples)中查找完整示例，了解如何进行设置和运行。

```
suspend fun createMediaJob(
    mcClient: MediaConvertClient,
    mcRoleARN: String,
    fileInput1: String,
): String? {
    // Step 1: Describe endpoints to get the MediaConvert endpoint URL
    val describeResponse = mcClient.describeEndpoints(
        DescribeEndpointsRequest {
            maxResults = 1
        },
    )

    val endpointUrl = describeResponse.endpoints?.firstOrNull()?.url
        ?: error("No MediaConvert endpoint found")

    // Step 2: Create MediaConvert client with resolved endpoint
    val mediaConvert = MediaConvertClient.fromEnvironment {
        region = "us-west-2"
        endpointProvider = MediaConvertEndpointProvider {
            Endpoint(endpointUrl)
        }
    }

    // Output destination folder in S3 - put in 'output/' folder beside input
    val outputDestination = fileInput1.substringBeforeLast('/') + "/output/"

    // Step 3: Create the job request with minimal valid video codec settings
    val jobRequest = CreateJobRequest {
        role = mcRoleARN
        settings = JobSettings {
            inputs = listOf(
                Input {
                    fileInput = fileInput1
                },
            )
            outputGroups = listOf(
                OutputGroup {
                    outputGroupSettings = OutputGroupSettings {
                        type = OutputGroupType.FileGroupSettings
                        fileGroupSettings = FileGroupSettings {
                            destination = outputDestination
                        }
                    }
                    outputs = listOf(
                        Output {
                            containerSettings = ContainerSettings {
                                container = ContainerType.Mp4
                            }
                            videoDescription = VideoDescription {
                                width = 1280
                                height = 720
                                codecSettings = VideoCodecSettings {
                                    codec = VideoCodec.H264
                                    h264Settings = H264Settings {
                                        rateControlMode = H264RateControlMode.Qvbr
                                        qvbrSettings = H264QvbrSettings {
                                            qvbrQualityLevel = 7
                                        }
                                        maxBitrate = 5_000_000
                                        codecLevel = H264CodecLevel.Auto
                                        codecProfile = H264CodecProfile.Main
                                        framerateControl = H264FramerateControl.InitializeFromSource
                                    }
                                }
                            }
                        },
                    )
                },
            )
        }
    }

    // Step 4: Call MediaConvert to create the job
    val response = mediaConvert.createJob(jobRequest)

    // Return the job ID or null if not found
    return response.job?.id
}
```
+  有关 API 的详细信息，请参阅适用[CreateJob](https://sdk.amazonaws.com/kotlin/api/latest/index.html)于 K *otlin 的AWS SDK API 参考*。

### `GetJob`
<a name="mediaconvert_GetJob_kotlin_1_topic"></a>

以下代码示例演示了如何使用 `GetJob`。

**适用于 Kotlin 的 SDK**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/mediaconvert#code-examples)中查找完整示例，了解如何进行设置和运行。

```
suspend fun getSpecificJob(mcClient: MediaConvertClient, jobId: String) {
    // 1. Discover the correct endpoint
    val res = mcClient.describeEndpoints(DescribeEndpointsRequest { maxResults = 1 })
    var endpointUrl = res.endpoints?.firstOrNull()?.url
        ?: error(" No MediaConvert endpoint found")

    // 2. Create a new client using the endpoint
    val clientWithEndpoint = MediaConvertClient {
        region = "us-west-2"
        endpointUrl = endpointUrl
    }

    // 3. Get the job details
    val jobResponse = clientWithEndpoint.getJob(GetJobRequest { id = jobId })
    val job = jobResponse.job

    println("Job status: ${job?.status}")
    println("Job ARN: ${job?.arn}")
    println("Output group count: ${job?.settings?.outputGroups?.size}")
}
```
+  有关 API 的详细信息，请参阅适用[GetJob](https://sdk.amazonaws.com/kotlin/api/latest/index.html)于 K *otlin 的AWS SDK API 参考*。

### `ListJobs`
<a name="mediaconvert_ListJobs_kotlin_1_topic"></a>

以下代码示例演示了如何使用 `ListJobs`。

**适用于 Kotlin 的 SDK**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/mediaconvert#code-examples)中查找完整示例，了解如何进行设置和运行。

```
suspend fun listCompleteJobs(mcClient: MediaConvertClient) {
    val describeEndpoints =
        DescribeEndpointsRequest {
            maxResults = 20
        }

    val res = mcClient.describeEndpoints(describeEndpoints)
    if (res.endpoints?.size!! <= 0) {
        println("Cannot find MediaConvert service endpoint URL!")
        exitProcess(0)
    }
    val endpointURL = res.endpoints!![0].url!!
    val mediaConvert =
        MediaConvertClient.fromEnvironment {
            region = "us-west-2"
            endpointProvider =
                MediaConvertEndpointProvider {
                    Endpoint(endpointURL)
                }
        }

    val jobsRequest =
        ListJobsRequest {
            maxResults = 10
            status = JobStatus.fromValue("COMPLETE")
        }

    val jobsResponse = mediaConvert.listJobs(jobsRequest)
    val jobs = jobsResponse.jobs
    if (jobs != null) {
        for (job in jobs) {
            println("The JOB ARN is ${job.arn}")
        }
    }
}
```
+  有关 API 的详细信息，请参阅适用[ListJobs](https://sdk.amazonaws.com/kotlin/api/latest/index.html)于 K *otlin 的AWS SDK API 参考*。