MediaConvert使用适用于 Java 2.x 的 SDK 的示例 - AWS SDK for Java 2.x
操作

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MediaConvert使用适用于 Java 2.x 的 SDK 的示例

以下代码示例向您展示了如何使用AWS SDK for Java 2.x与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。虽然操作向您展示了如何调用单个服务函数，但您可以在其相关场景和跨服务示例中查看操作的上下文。

场景是展示如何通过在同一服务中调用多个函数来完成特定任务的代码示例。

每个示例都包含一个链接GitHub，您可以在其中找到有关如何在上下文中设置和运行代码的说明。

主题

操作

以下代码示例显示了如何创建 AWS Elemental MediaConvert 转码任务。

SDK for Java 2.x
注意

还有更多GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

package com.example.mediaconvert;

import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import software.amazon.awssdk.auth.credentials.ProfileCredentialsProvider;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.mediaconvert.MediaConvertClient;
import software.amazon.awssdk.services.mediaconvert.model.DescribeEndpointsResponse;
import software.amazon.awssdk.services.mediaconvert.model.DescribeEndpointsRequest;
import software.amazon.awssdk.services.mediaconvert.model.Output;
import software.amazon.awssdk.services.mediaconvert.model.MediaConvertException;
import software.amazon.awssdk.services.mediaconvert.model.OutputGroup;
import software.amazon.awssdk.services.mediaconvert.model.OutputGroupSettings;
import software.amazon.awssdk.services.mediaconvert.model.HlsGroupSettings;
import software.amazon.awssdk.services.mediaconvert.model.OutputGroupType;
import software.amazon.awssdk.services.mediaconvert.model.HlsDirectoryStructure;
import software.amazon.awssdk.services.mediaconvert.model.HlsManifestDurationFormat;
import software.amazon.awssdk.services.mediaconvert.model.HlsStreamInfResolution;
import software.amazon.awssdk.services.mediaconvert.model.HlsClientCache;
import software.amazon.awssdk.services.mediaconvert.model.HlsCaptionLanguageSetting;
import software.amazon.awssdk.services.mediaconvert.model.HlsManifestCompression;
import software.amazon.awssdk.services.mediaconvert.model.HlsCodecSpecification;
import software.amazon.awssdk.services.mediaconvert.model.HlsOutputSelection;
import software.amazon.awssdk.services.mediaconvert.model.HlsProgramDateTime;
import software.amazon.awssdk.services.mediaconvert.model.HlsTimedMetadataId3Frame;
import software.amazon.awssdk.services.mediaconvert.model.HlsSegmentControl;
import software.amazon.awssdk.services.mediaconvert.model.FileGroupSettings;
import software.amazon.awssdk.services.mediaconvert.model.ContainerSettings;
import software.amazon.awssdk.services.mediaconvert.model.VideoDescription;
import software.amazon.awssdk.services.mediaconvert.model.ContainerType;
import software.amazon.awssdk.services.mediaconvert.model.ScalingBehavior;
import software.amazon.awssdk.services.mediaconvert.model.VideoTimecodeInsertion;
import software.amazon.awssdk.services.mediaconvert.model.ColorMetadata;
import software.amazon.awssdk.services.mediaconvert.model.RespondToAfd;
import software.amazon.awssdk.services.mediaconvert.model.AfdSignaling;
import software.amazon.awssdk.services.mediaconvert.model.DropFrameTimecode;
import software.amazon.awssdk.services.mediaconvert.model.VideoCodecSettings;
import software.amazon.awssdk.services.mediaconvert.model.H264Settings;
import software.amazon.awssdk.services.mediaconvert.model.VideoCodec;
import software.amazon.awssdk.services.mediaconvert.model.CreateJobRequest;
import software.amazon.awssdk.services.mediaconvert.model.H264RateControlMode;
import software.amazon.awssdk.services.mediaconvert.model.H264QualityTuningLevel;
import software.amazon.awssdk.services.mediaconvert.model.H264SceneChangeDetect;
import software.amazon.awssdk.services.mediaconvert.model.AacAudioDescriptionBroadcasterMix;
import software.amazon.awssdk.services.mediaconvert.model.H264ParControl;
import software.amazon.awssdk.services.mediaconvert.model.AacRawFormat;
import software.amazon.awssdk.services.mediaconvert.model.H264QvbrSettings;
import software.amazon.awssdk.services.mediaconvert.model.H264FramerateConversionAlgorithm;
import software.amazon.awssdk.services.mediaconvert.model.H264CodecLevel;
import software.amazon.awssdk.services.mediaconvert.model.H264FramerateControl;
import software.amazon.awssdk.services.mediaconvert.model.AacCodingMode;
import software.amazon.awssdk.services.mediaconvert.model.H264Telecine;
import software.amazon.awssdk.services.mediaconvert.model.H264FlickerAdaptiveQuantization;
import software.amazon.awssdk.services.mediaconvert.model.H264GopSizeUnits;
import software.amazon.awssdk.services.mediaconvert.model.H264CodecProfile;
import software.amazon.awssdk.services.mediaconvert.model.H264GopBReference;
import software.amazon.awssdk.services.mediaconvert.model.AudioTypeControl;
import software.amazon.awssdk.services.mediaconvert.model.AntiAlias;
import software.amazon.awssdk.services.mediaconvert.model.H264SlowPal;
import software.amazon.awssdk.services.mediaconvert.model.H264SpatialAdaptiveQuantization;
import software.amazon.awssdk.services.mediaconvert.model.H264Syntax;
import software.amazon.awssdk.services.mediaconvert.model.M3u8Settings;
import software.amazon.awssdk.services.mediaconvert.model.InputDenoiseFilter;
import software.amazon.awssdk.services.mediaconvert.model.H264TemporalAdaptiveQuantization;
import software.amazon.awssdk.services.mediaconvert.model.CreateJobResponse;
import software.amazon.awssdk.services.mediaconvert.model.H264UnregisteredSeiTimecode;
import software.amazon.awssdk.services.mediaconvert.model.H264EntropyEncoding;
import software.amazon.awssdk.services.mediaconvert.model.InputPsiControl;
import software.amazon.awssdk.services.mediaconvert.model.ColorSpace;
import software.amazon.awssdk.services.mediaconvert.model.H264RepeatPps;
import software.amazon.awssdk.services.mediaconvert.model.H264FieldEncoding;
import software.amazon.awssdk.services.mediaconvert.model.M3u8NielsenId3;
import software.amazon.awssdk.services.mediaconvert.model.InputDeblockFilter;
import software.amazon.awssdk.services.mediaconvert.model.InputRotate;
import software.amazon.awssdk.services.mediaconvert.model.H264DynamicSubGop;
import software.amazon.awssdk.services.mediaconvert.model.TimedMetadata;
import software.amazon.awssdk.services.mediaconvert.model.JobSettings;
import software.amazon.awssdk.services.mediaconvert.model.AudioDefaultSelection;
import software.amazon.awssdk.services.mediaconvert.model.VideoSelector;
import software.amazon.awssdk.services.mediaconvert.model.AacSpecification;
import software.amazon.awssdk.services.mediaconvert.model.Input;
import software.amazon.awssdk.services.mediaconvert.model.OutputSettings;
import software.amazon.awssdk.services.mediaconvert.model.H264AdaptiveQuantization;
import software.amazon.awssdk.services.mediaconvert.model.AudioLanguageCodeControl;
import software.amazon.awssdk.services.mediaconvert.model.InputFilterEnable;
import software.amazon.awssdk.services.mediaconvert.model.AudioDescription;
import software.amazon.awssdk.services.mediaconvert.model.H264InterlaceMode;
import software.amazon.awssdk.services.mediaconvert.model.AudioCodecSettings;
import software.amazon.awssdk.services.mediaconvert.model.AacSettings;
import software.amazon.awssdk.services.mediaconvert.model.AudioCodec;
import software.amazon.awssdk.services.mediaconvert.model.AacRateControlMode;
import software.amazon.awssdk.services.mediaconvert.model.AacCodecProfile;
import software.amazon.awssdk.services.mediaconvert.model.HlsIFrameOnlyManifest;
import software.amazon.awssdk.services.mediaconvert.model.FrameCaptureSettings;
import software.amazon.awssdk.services.mediaconvert.model.AudioSelector;
import software.amazon.awssdk.services.mediaconvert.model.M3u8PcrControl;
import software.amazon.awssdk.services.mediaconvert.model.InputTimecodeSource;
import software.amazon.awssdk.services.mediaconvert.model.HlsSettings;
import software.amazon.awssdk.services.mediaconvert.model.M3u8Scte35Source;

/**
 * Create a MediaConvert job. Must supply MediaConvert access role Amazon Resource Name (ARN), and a
 * valid video input file via Amazon S3 URL.
 *
 * Also, set up your development environment, including your credentials.
 *
 * For information, see this documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 *
 */
public class CreateJob {

   public static void main(String[] args) {

        final String usage = "\n" +
                "Usage:\n" +
                "    <mcRoleARN> <fileInput> \n\n" +
                "Where:\n" +
                "    mcRoleARN - The MediaConvert Role ARN. \n"+
                "    fileInput -  The URL of an Amazon S3 bucket where the input file is located. \n";

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String mcRoleARN = args[0];
        String fileInput = args[1];
        Region region = Region.US_WEST_2;
        MediaConvertClient mc = MediaConvertClient.builder()
                .region(region)
                .credentialsProvider(ProfileCredentialsProvider.create())
                .build();

       String id = createMediaJob(mc, mcRoleARN, fileInput);
       System.out.println("MediaConvert job created. Job Id = " +id );
       mc.close();
    }

    public static String createMediaJob(MediaConvertClient mc, String mcRoleARN, String fileInput) {

        String s3path = fileInput.substring(0, fileInput.lastIndexOf('/') + 1) + "javasdk/out/";
        String fileOutput = s3path + "index";
        String thumbsOutput = s3path + "thumbs/";
        String mp4Output = s3path + "mp4/";

        try {
            DescribeEndpointsResponse res = mc
                    .describeEndpoints(DescribeEndpointsRequest.builder().maxResults(20).build());

            if (res.endpoints().size() <= 0) {
                System.out.println("Cannot find MediaConvert service endpoint URL!");
                System.exit(1);
            }
            String endpointURL = res.endpoints().get(0).url();
            System.out.println("MediaConvert service URL: " + endpointURL);
            System.out.println("MediaConvert role arn: " + mcRoleARN);
            System.out.println("MediaConvert input file: " + fileInput);
            System.out.println("MediaConvert output path: " + s3path);

            MediaConvertClient emc = MediaConvertClient.builder()
                    .region(Region.US_WEST_2)
                    .endpointOverride(URI.create(endpointURL))
                    .build();

            // output group Preset HLS low profile
            Output hlsLow = createOutput("hls_low", "_low", "_$dt$", 750000, 7, 1920, 1080, 640);
            // output group Preset HLS media profile
            Output hlsMedium = createOutput("hls_medium", "_medium", "_$dt$", 1200000, 7, 1920, 1080, 1280);
            // output group Preset HLS high profole
            Output hlsHigh = createOutput("hls_high", "_high", "_$dt$", 3500000, 8, 1920, 1080, 1920);

            OutputGroup appleHLS = OutputGroup.builder().name("Apple HLS").customName("Example")
                    .outputGroupSettings(OutputGroupSettings.builder().type(OutputGroupType.HLS_GROUP_SETTINGS)
                            .hlsGroupSettings(HlsGroupSettings.builder()
                                    .directoryStructure(HlsDirectoryStructure.SINGLE_DIRECTORY)
                                    .manifestDurationFormat(HlsManifestDurationFormat.INTEGER)
                                    .streamInfResolution(HlsStreamInfResolution.INCLUDE)
                                    .clientCache(HlsClientCache.ENABLED)
                                    .captionLanguageSetting(HlsCaptionLanguageSetting.OMIT)
                                    .manifestCompression(HlsManifestCompression.NONE)
                                    .codecSpecification(HlsCodecSpecification.RFC_4281)
                                    .outputSelection(HlsOutputSelection.MANIFESTS_AND_SEGMENTS)
                                    .programDateTime(HlsProgramDateTime.EXCLUDE).programDateTimePeriod(600)
                                    .timedMetadataId3Frame(HlsTimedMetadataId3Frame.PRIV).timedMetadataId3Period(10)
                                    .destination(fileOutput).segmentControl(HlsSegmentControl.SEGMENTED_FILES)
                                    .minFinalSegmentLength((double) 0).segmentLength(4).minSegmentLength(0).build())
                            .build())
                    .outputs(hlsLow, hlsMedium, hlsHigh).build();

            OutputGroup fileMp4 = OutputGroup.builder().name("File Group").customName("mp4")
                    .outputGroupSettings(OutputGroupSettings.builder().type(OutputGroupType.FILE_GROUP_SETTINGS)
                            .fileGroupSettings(FileGroupSettings.builder().destination(mp4Output).build()).build())
                    .outputs(Output.builder().extension("mp4")
                            .containerSettings(ContainerSettings.builder().container(ContainerType.MP4).build())
                            .videoDescription(VideoDescription.builder().width(1280).height(720)
                                    .scalingBehavior(ScalingBehavior.DEFAULT).sharpness(50).antiAlias(AntiAlias.ENABLED)
                                    .timecodeInsertion(VideoTimecodeInsertion.DISABLED)
                                    .colorMetadata(ColorMetadata.INSERT).respondToAfd(RespondToAfd.NONE)
                                    .afdSignaling(AfdSignaling.NONE).dropFrameTimecode(DropFrameTimecode.ENABLED)
                                    .codecSettings(VideoCodecSettings.builder().codec(VideoCodec.H_264)
                                            .h264Settings(H264Settings.builder()
                                                    .rateControlMode(H264RateControlMode.QVBR)
                                                    .parControl(H264ParControl.INITIALIZE_FROM_SOURCE)
                                                    .qualityTuningLevel(H264QualityTuningLevel.SINGLE_PASS)
                                                    .qvbrSettings(
                                                            H264QvbrSettings.builder().qvbrQualityLevel(8).build())
                                                    .codecLevel(H264CodecLevel.AUTO).codecProfile(H264CodecProfile.MAIN)
                                                    .maxBitrate(2400000)
                                                    .framerateControl(H264FramerateControl.INITIALIZE_FROM_SOURCE)
                                                    .gopSize(2.0).gopSizeUnits(H264GopSizeUnits.SECONDS)
                                                    .numberBFramesBetweenReferenceFrames(2).gopClosedCadence(1)
                                                    .gopBReference(H264GopBReference.DISABLED)
                                                    .slowPal(H264SlowPal.DISABLED).syntax(H264Syntax.DEFAULT)
                                                    .numberReferenceFrames(3).dynamicSubGop(H264DynamicSubGop.STATIC)
                                                    .fieldEncoding(H264FieldEncoding.PAFF)
                                                    .sceneChangeDetect(H264SceneChangeDetect.ENABLED).minIInterval(0)
                                                    .telecine(H264Telecine.NONE)
                                                    .framerateConversionAlgorithm(
                                                            H264FramerateConversionAlgorithm.DUPLICATE_DROP)
                                                    .entropyEncoding(H264EntropyEncoding.CABAC).slices(1)
                                                    .unregisteredSeiTimecode(H264UnregisteredSeiTimecode.DISABLED)
                                                    .repeatPps(H264RepeatPps.DISABLED)
                                                    .adaptiveQuantization(H264AdaptiveQuantization.HIGH)
                                                    .spatialAdaptiveQuantization(
                                                            H264SpatialAdaptiveQuantization.ENABLED)
                                                    .temporalAdaptiveQuantization(
                                                            H264TemporalAdaptiveQuantization.ENABLED)
                                                    .flickerAdaptiveQuantization(
                                                            H264FlickerAdaptiveQuantization.DISABLED)
                                                    .softness(0).interlaceMode(H264InterlaceMode.PROGRESSIVE).build())
                                            .build())
                                    .build())
                            .audioDescriptions(AudioDescription.builder()
                                    .audioTypeControl(AudioTypeControl.FOLLOW_INPUT)
                                    .languageCodeControl(AudioLanguageCodeControl.FOLLOW_INPUT)
                                    .codecSettings(AudioCodecSettings.builder().codec(AudioCodec.AAC)
                                            .aacSettings(AacSettings.builder().codecProfile(AacCodecProfile.LC)
                                                    .rateControlMode(AacRateControlMode.CBR)
                                                    .codingMode(AacCodingMode.CODING_MODE_2_0).sampleRate(44100)
                                                    .bitrate(160000).rawFormat(AacRawFormat.NONE)
                                                    .specification(AacSpecification.MPEG4)
                                                    .audioDescriptionBroadcasterMix(
                                                            AacAudioDescriptionBroadcasterMix.NORMAL)
                                                    .build())
                                            .build())
                                    .build())
                            .build())
                    .build();
            OutputGroup thumbs = OutputGroup.builder().name("File Group").customName("thumbs")
                    .outputGroupSettings(OutputGroupSettings.builder().type(OutputGroupType.FILE_GROUP_SETTINGS)
                            .fileGroupSettings(FileGroupSettings.builder().destination(thumbsOutput).build()).build())
                    .outputs(Output.builder().extension("jpg")
                            .containerSettings(ContainerSettings.builder().container(ContainerType.RAW).build())
                            .videoDescription(VideoDescription.builder().scalingBehavior(ScalingBehavior.DEFAULT)
                                    .sharpness(50).antiAlias(AntiAlias.ENABLED)
                                    .timecodeInsertion(VideoTimecodeInsertion.DISABLED)
                                    .colorMetadata(ColorMetadata.INSERT).dropFrameTimecode(DropFrameTimecode.ENABLED)
                                    .codecSettings(VideoCodecSettings.builder().codec(VideoCodec.FRAME_CAPTURE)
                                            .frameCaptureSettings(FrameCaptureSettings.builder().framerateNumerator(1)
                                                    .framerateDenominator(1).maxCaptures(10000000).quality(80).build())
                                            .build())
                                    .build())
                            .build())
                    .build();

            Map<String, AudioSelector> audioSelectors = new HashMap<>();
            audioSelectors.put("Audio Selector 1",
                    AudioSelector.builder().defaultSelection(AudioDefaultSelection.DEFAULT).offset(0).build());

            JobSettings jobSettings = JobSettings.builder().inputs(Input.builder().audioSelectors(audioSelectors)
                    .videoSelector(
                            VideoSelector.builder().colorSpace(ColorSpace.FOLLOW).rotate(InputRotate.DEGREE_0).build())
                    .filterEnable(InputFilterEnable.AUTO).filterStrength(0).deblockFilter(InputDeblockFilter.DISABLED)
                    .denoiseFilter(InputDenoiseFilter.DISABLED).psiControl(InputPsiControl.USE_PSI)
                    .timecodeSource(InputTimecodeSource.EMBEDDED).fileInput(fileInput).build())
                    .outputGroups(appleHLS, thumbs, fileMp4).build();

            CreateJobRequest createJobRequest = CreateJobRequest.builder().role(mcRoleARN).settings(jobSettings)
                    .build();

           CreateJobResponse createJobResponse = emc.createJob(createJobRequest);
          return createJobResponse.job().id();

        } catch (MediaConvertException e) {
            System.out.println(e.toString());
            System.exit(0);
        }
        return "";
    }

    private final static Output createOutput(String customName,
                                             String nameModifier,
                                             String segmentModifier,
                                             int qvbrMaxBitrate,
                                             int qvbrQualityLevel,
                                             int originWidth,
                                             int originHeight,
                                             int targetWidth) {

        int targetHeight = Math.round(originHeight * targetWidth / originWidth)
                - (Math.round(originHeight * targetWidth / originWidth) % 4);
        Output output = null;
        try {
            output = Output.builder().nameModifier(nameModifier).outputSettings(OutputSettings.builder()
                    .hlsSettings(HlsSettings.builder().segmentModifier(segmentModifier).audioGroupId("program_audio")
                            .iFrameOnlyManifest(HlsIFrameOnlyManifest.EXCLUDE).build())
                    .build())
                    .containerSettings(ContainerSettings.builder().container(ContainerType.M3_U8)
                            .m3u8Settings(M3u8Settings.builder().audioFramesPerPes(4)
                                    .pcrControl(M3u8PcrControl.PCR_EVERY_PES_PACKET).pmtPid(480).privateMetadataPid(503)
                                    .programNumber(1).patInterval(0).pmtInterval(0).scte35Source(M3u8Scte35Source.NONE)
                                    .scte35Pid(500).nielsenId3(M3u8NielsenId3.NONE).timedMetadata(TimedMetadata.NONE)
                                    .timedMetadataPid(502).videoPid(481)
                                    .audioPids(482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492).build())
                            .build())
                    .videoDescription(
                            VideoDescription.builder().width(targetWidth).height(targetHeight)
                                    .scalingBehavior(ScalingBehavior.DEFAULT).sharpness(50).antiAlias(AntiAlias.ENABLED)
                                    .timecodeInsertion(VideoTimecodeInsertion.DISABLED)
                                    .colorMetadata(ColorMetadata.INSERT).respondToAfd(RespondToAfd.NONE)
                                    .afdSignaling(AfdSignaling.NONE).dropFrameTimecode(DropFrameTimecode.ENABLED)
                                    .codecSettings(VideoCodecSettings.builder().codec(VideoCodec.H_264)
                                            .h264Settings(H264Settings.builder()
                                                    .rateControlMode(H264RateControlMode.QVBR)
                                                    .parControl(H264ParControl.INITIALIZE_FROM_SOURCE)
                                                    .qualityTuningLevel(H264QualityTuningLevel.SINGLE_PASS)
                                                    .qvbrSettings(H264QvbrSettings.builder()
                                                            .qvbrQualityLevel(qvbrQualityLevel).build())
                                                    .codecLevel(H264CodecLevel.AUTO)
                                                    .codecProfile((targetHeight > 720 && targetWidth > 1280)
                                                            ? H264CodecProfile.HIGH
                                                            : H264CodecProfile.MAIN)
                                                    .maxBitrate(qvbrMaxBitrate)
                                                    .framerateControl(H264FramerateControl.INITIALIZE_FROM_SOURCE)
                                                    .gopSize(2.0).gopSizeUnits(H264GopSizeUnits.SECONDS)
                                                    .numberBFramesBetweenReferenceFrames(2).gopClosedCadence(1)
                                                    .gopBReference(H264GopBReference.DISABLED)
                                                    .slowPal(H264SlowPal.DISABLED).syntax(H264Syntax.DEFAULT)
                                                    .numberReferenceFrames(3).dynamicSubGop(H264DynamicSubGop.STATIC)
                                                    .fieldEncoding(H264FieldEncoding.PAFF)
                                                    .sceneChangeDetect(H264SceneChangeDetect.ENABLED).minIInterval(0)
                                                    .telecine(H264Telecine.NONE)
                                                    .framerateConversionAlgorithm(
                                                            H264FramerateConversionAlgorithm.DUPLICATE_DROP)
                                                    .entropyEncoding(H264EntropyEncoding.CABAC).slices(1)
                                                    .unregisteredSeiTimecode(H264UnregisteredSeiTimecode.DISABLED)
                                                    .repeatPps(H264RepeatPps.DISABLED)
                                                    .adaptiveQuantization(H264AdaptiveQuantization.HIGH)
                                                    .spatialAdaptiveQuantization(
                                                            H264SpatialAdaptiveQuantization.ENABLED)
                                                    .temporalAdaptiveQuantization(
                                                            H264TemporalAdaptiveQuantization.ENABLED)
                                                    .flickerAdaptiveQuantization(
                                                            H264FlickerAdaptiveQuantization.DISABLED)
                                                    .softness(0).interlaceMode(H264InterlaceMode.PROGRESSIVE).build())
                                            .build())
                                    .build())
                    .audioDescriptions(AudioDescription.builder().audioTypeControl(AudioTypeControl.FOLLOW_INPUT)
                            .languageCodeControl(AudioLanguageCodeControl.FOLLOW_INPUT)
                            .codecSettings(AudioCodecSettings.builder().codec(AudioCodec.AAC).aacSettings(AacSettings
                                    .builder().codecProfile(AacCodecProfile.LC).rateControlMode(AacRateControlMode.CBR)
                                    .codingMode(AacCodingMode.CODING_MODE_2_0).sampleRate(44100).bitrate(96000)
                                    .rawFormat(AacRawFormat.NONE).specification(AacSpecification.MPEG4)
                                    .audioDescriptionBroadcasterMix(AacAudioDescriptionBroadcasterMix.NORMAL).build())
                                    .build())
                            .build())
                    .build();
        } catch (MediaConvertException e) {
            e.printStackTrace();
            System.exit(0);
        }
        return output;
    }
}

以下代码示例显示了如何获取 AWS Elemental MediaConvert 转码任务。

SDK for Java 2.x
注意

还有更多GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

    public static void getSpecificJob(MediaConvertClient mc, String jobId) {

        try {
            DescribeEndpointsResponse res = mc.describeEndpoints(DescribeEndpointsRequest.builder()
                .maxResults(20)
                .build());

            if (res.endpoints().size() <= 0) {
                System.out.println("Cannot find MediaConvert service endpoint URL!");
                System.exit(1);
            }
            String endpointURL = res.endpoints().get(0).url();
            MediaConvertClient emc = MediaConvertClient.builder()
                .region(Region.US_WEST_2)
                .endpointOverride(URI.create(endpointURL))
                .build();

            GetJobRequest jobRequest = GetJobRequest.builder()
                .id(jobId)
                .build();

            GetJobResponse response = emc.getJob(jobRequest);
            System.out.println("The ARN of the job is "+response.job().arn());

        } catch (MediaConvertException e) {
            System.out.println(e.toString());
            System.exit(0);
        }
    }

以下代码示例显示了如何列出 AWS Elemental MediaConvert 转码任务。

SDK for Java 2.x
注意

还有更多GitHub。查找完整示例，学习如何在 AWS 代码示例存储库中进行设置和运行。

    public static void listCompleteJobs(MediaConvertClient mc) {

        try {
            DescribeEndpointsResponse res = mc.describeEndpoints(DescribeEndpointsRequest.builder()
                .maxResults(20)
                .build());

            if (res.endpoints().size() <= 0) {
                System.out.println("Cannot find MediaConvert service endpoint URL!");
                System.exit(1);
            }

            String endpointURL = res.endpoints().get(0).url();
            MediaConvertClient emc = MediaConvertClient.builder()
                .region(Region.US_WEST_2)
                .endpointOverride(URI.create(endpointURL))
                .build();

            ListJobsRequest jobsRequest = ListJobsRequest.builder()
                .maxResults(10)
                .status("COMPLETE")
                .build();

            ListJobsResponse jobsResponse = emc.listJobs(jobsRequest);
            List<Job> jobs = jobsResponse.jobs();
            for (Job job: jobs) {
                System.out.println("The JOB ARN is : "+job.arn());
            }

        } catch (MediaConvertException e) {
            System.out.println(e.toString());
            System.exit(0);
        }
    }