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我正在尝试在 Amazon 的 MediaConvert 服务中设置一个工作，该服务会将我上传到 S3 存储桶的任何视频转换为流媒体友好格式。在大多数情况下，这似乎是有效的——每次我上传视频时，我的应用程序都会调用 API 来运行作业。

但是，为了方便（为了更容易找到特定文件的输出），我想将输出文件放在找到输入文件的同一目录中。

有没有办法将作业模板的输出设置为相对于输入的路径？或者，是否可以覆盖输出目录而不必在 Java 代码中从头开始定义整个作业？

这就是我在 Java API 中设置输入目录的方式：

CreateJobRequest request = CreateJobRequest.builder()
    .role(roleName)
    .jobTemplate("Process uploaded videos") // Matches a custom template I made in AWS
    .settings(JobSettings.builder()
        .inputs(Input.builder()
            .fileInput("s3://" + mConfig.bucket + "/" + mFolder + filename)
            .build())
        .build())
    .build();

指定输出路径的更新版本：

CreateJobRequest request = CreateJobRequest.builder()
    .role(MEDIACONVERT_ROLE)
    .jobTemplate("Process uploaded videos") // Matches a custom template I made in AWS
    .settings(JobSettings.builder()
        .inputs(Input.builder()
            .fileInput("s3://" + mConfig.bucket + "/" + mFolder + filename)
            .build())
        .outputGroups(OutputGroup.builder()
            .name("Streaming video") // Matches the name of the output group in the template
            .outputGroupSettings(OutputGroupSettings.builder()
                .type(OutputGroupType.FILE_GROUP_SETTINGS)
                .fileGroupSettings(FileGroupSettings.builder()
                    .destination("s3://" + mConfig.bucket + "/" + mFolder) // Put output in the same folder as the input
                    .build())
                .build())
            .build())
        .build())
    .build();
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1 回答 1

2

AWS Elemental MediaConvert 中没有用于根据输入位置设置输出的相对路径的本机方法，但是您是对的，您可以覆盖模板中的参数，而无需从头开始定义整个作业。

例如，这是一个 AWS CLI (boto3) JSON 示例，该示例使用不引用预设的模板提交作业。

注意：此模板包含一个输入数组对象（注意没有 FileURI 参数，您将在创建作业时添加此参数）

{
  "Queue": "arn:aws:mediaconvert:us-west-2:111122223333:queues/Default",
  "Name": "Test_MP4", 
  "Description":"Test MP4"
  "Settings": {
    "OutputGroups": [
      {
        "Name": "File Group",
        "Outputs": [
          {
            "ContainerSettings": {
              "Container": "MP4",
              "Mp4Settings": {
                "CslgAtom": "EXCLUDE",
                "FreeSpaceBox": "EXCLUDE",
                "MoovPlacement": "NORMAL"
              }
            },
            "VideoDescription": {
              "Width": 3840,
              "ScalingBehavior": "DEFAULT",
              "Height": 2160,
              "VideoPreprocessors": {
                "Deinterlacer": {
                  "Algorithm": "INTERPOLATE",
                  "Mode": "DEINTERLACE",
                  "Control": "NORMAL"
                }
              },
              "TimecodeInsertion": "DISABLED",
              "AntiAlias": "ENABLED",
              "Sharpness": 50,
              "CodecSettings": {
                "Codec": "H_265",
                "H265Settings": {
                  "InterlaceMode": "PROGRESSIVE",
                  "ParNumerator": 1,
                  "NumberReferenceFrames": 3,
                  "FramerateDenominator": 1001,
                  "GopClosedCadence": 1,
                  "AlternateTransferFunctionSei": "DISABLED",
                  "HrdBufferInitialFillPercentage": 90,
                  "GopSize": 48,
                  "Slices": 4,
                  "GopBReference": "ENABLED",
                  "HrdBufferSize": 20000000,
                  "SlowPal": "DISABLED",
                  "ParDenominator": 1,
                  "SpatialAdaptiveQuantization": "ENABLED",
                  "TemporalAdaptiveQuantization": "ENABLED",
                  "FlickerAdaptiveQuantization": "DISABLED",
                  "Bitrate": 10000000,
                  "FramerateControl": "SPECIFIED",
                  "RateControlMode": "CBR",
                  "CodecProfile": "MAIN_MAIN",
                  "Tiles": "ENABLED",
                  "Telecine": "NONE",
                  "FramerateNumerator": 24000,
                  "MinIInterval": 0,
                  "AdaptiveQuantization": "HIGH",
                  "CodecLevel": "LEVEL_5",
                  "SceneChangeDetect": "ENABLED",
                  "QualityTuningLevel": "MULTI_PASS_HQ",
                  "FramerateConversionAlgorithm": "DUPLICATE_DROP",
                  "UnregisteredSeiTimecode": "DISABLED",
                  "GopSizeUnits": "FRAMES",
                  "ParControl": "SPECIFIED",
                  "NumberBFramesBetweenReferenceFrames": 3,
                  "TemporalIds": "DISABLED",
                  "SampleAdaptiveOffsetFilterMode": "ADAPTIVE"
                }
              },
              "AfdSignaling": "NONE",
              "DropFrameTimecode": "ENABLED",
              "RespondToAfd": "NONE",
              "ColorMetadata": "INSERT"
            },
            "AudioDescriptions": [
              {
                "AudioTypeControl": "FOLLOW_INPUT",
                "CodecSettings": {
                  "Codec": "AAC",
                  "AacSettings": {
                    "AudioDescriptionBroadcasterMix": "NORMAL",
                    "Bitrate": 160000,
                    "RateControlMode": "CBR",
                    "CodecProfile": "LC",
                    "CodingMode": "CODING_MODE_2_0",
                    "RawFormat": "NONE",
                    "SampleRate": 48000,
                    "Specification": "MPEG4"
                  }
                },
                "LanguageCodeControl": "FOLLOW_INPUT",
                "AudioType": 0
              }
            ],
            "NameModifier": "_1"
          }
        ],
        "OutputGroupSettings": {
          "Type": "FILE_GROUP_SETTINGS",
          "FileGroupSettings": {
            "Destination": "s3://myawsbucket/out/"
          }
        }
      }
    ],
    "AdAvailOffset": 0,
    "Inputs": [
      {
        "AudioSelectors": {
          "Audio Selector 1": {
            "Offset": 0,
            "DefaultSelection": "DEFAULT",
            "ProgramSelection": 1
          }
        },
        "VideoSelector": {
          "ColorSpace": "FOLLOW"
        },
        "FilterEnable": "AUTO",
        "PsiControl": "USE_PSI",
        "FilterStrength": 0,
        "DeblockFilter": "DISABLED",
        "DenoiseFilter": "DISABLED",
        "TimecodeSource": "EMBEDDED"
      }
    ]
  }
}

以下 JSON 有效负载在输入上添加输入和字幕选择器，并向输出添加字幕轨道，并更改输出文件的目标位置。

注意：您需要确保包括您的工作模板名称以及您希望服务承担的角色（即您在使用 IAM 设置中设置的内容）

{
  "Settings": {
    "OutputGroups": [
      {
        "Name": "File Group",
        "Outputs": [
          {
          "CaptionDescriptions": [
              {
                "DestinationSettings": {
                  "DestinationType": "EMBEDDED"
                },
                "CaptionSelectorName": "Captions Selector 1",
                "LanguageCode": "ENG"
              }
            ]
          }
        ],
        "OutputGroupSettings": {
          "Type": "FILE_GROUP_SETTINGS",
          "FileGroupSettings": {
            "Destination": "s3://myawsbucket/newfolder/out/"
          }
        }
      }
    ],
    "AdAvailOffset": 0,
    "Inputs": [
      {
        "AudioSelectors": {
          "Audio Selector 1": {
            "Offset": 0,
            "DefaultSelection": "DEFAULT",
            "ProgramSelection": 1
          }
        },
        "VideoSelector": {
          "ColorSpace": "FOLLOW"
        },
        "FilterEnable": "AUTO",
        "PsiControl": "USE_PSI",
        "FilterStrength": 0,
        "DeblockFilter": "DISABLED",
        "DenoiseFilter": "DISABLED",
        "TimecodeSource": "EMBEDDED",
        "FileInput": "s3://myawsbucket/input/test.mp4",
        "CaptionSelectors": {
          "Captions Selector 1": {
            "SourceSettings": {
              "SourceType": "SCC",
              "FileSourceSettings": {
                "SourceFile": "s3://myawsbucket/input/Captions/SCC/test.scc"
              }
            }
          }
        }
      }
    ]
  },
  "JobTemplate": "Test_MP4",
  "Role": "arn:aws:iam::111122223333:role/MediaConvertRole"
}

要仅更改目标，您将使用此 JSON：

{
  "Settings": {
    "OutputGroups": [
      {
        "OutputGroupSettings": {
          "Type": "FILE_GROUP_SETTINGS",
          "FileGroupSettings": {
            "Destination": "s3://myawsbucket/newfolder/out/"
          }
        }
      }
    ],
    "Inputs": [
      {
        "FileInput": "s3://myawsbucket/input/test.mp4"
      }
    ]
  },
  "JobTemplate": "Test_MP4",
  "Role": "arn:aws:iam::111122223333:role/MediaConvertRole"
}
于 2021-01-26T21:33:44.320 回答