mp4 (6 秒のビデオ) をダッシュに変換するたびに AWS メディア変換を使用すると、セグメントの長さは約 30 秒ですが、1 秒以下であれば非常にありがたいです。
<SegmentTemplate timescale="90000" duration="324000" startNumber="1"/>
<Representation id="1" width="1280" height="720" bandwidth="72000000" codecs="avc1.4d4032">
<SegmentTemplate media="5f8283b60a3ac3640191892_$Number%09d$.mp4" initialization="5f8283b60a3ac3640191892init.mp4" duration="324000" startNumber="1"/>
</Representation>
<Representation id="2" width="1920" height="1080" bandwidth="16200000" codecs="avc1.4d4029">
<SegmentTemplate media="5f8283b60a3ac3640191891_$Number%09d$.mp4" initialization="5f8283b60a3ac3640191891init.mp4" duration="324000" startNumber="1"/>
</Representation>
</AdaptationSet>
ジョブ設定をいじってみましたが、何もうまくいかなかったようです。時々 10 秒に短縮することもできましたが、それでもまだうまくいきません。いずれにせよ、私が使用した設定は次のとおりです。
$jobSetting = [
"OutputGroups"=> [
[
"CustomName"=> "nicenice",
"Name"=> "DASH ISO",
"Outputs"=> [
[
"ContainerSettings"=> [
"Container"=> "MPD"
],
"VideoDescription"=> [
"Width"=> 1920,
"ScalingBehavior"=> "DEFAULT",
"Height"=> 1080,
"TimecodeInsertion"=> "DISABLED",
"AntiAlias"=> "ENABLED",
"Sharpness"=> 50,
"CodecSettings"=> [
"Codec"=> "H_264",
"H264Settings"=> [
"InterlaceMode"=> "PROGRESSIVE",
"NumberReferenceFrames"=> 3,
"Syntax"=> "DEFAULT",
"Softness"=> 0,
"GopClosedCadence"=> 1,
"GopSize"=> 60,
"Slices"=> 1,
"GopBReference"=> "DISABLED",
"SlowPal"=> "DISABLED",
"SpatialAdaptiveQuantization"=> "ENABLED",
"TemporalAdaptiveQuantization"=> "ENABLED",
"FlickerAdaptiveQuantization"=> "DISABLED",
"EntropyEncoding"=> "CABAC",
"Bitrate"=> 16200000,
"FramerateControl"=> "INITIALIZE_FROM_SOURCE",
"RateControlMode"=> "CBR",
"CodecProfile"=> "MAIN",
"Telecine"=> "NONE",
"MinIInterval"=> 0,
"AdaptiveQuantization"=> "HIGH",
"CodecLevel"=> "AUTO",
"FieldEncoding"=> "PAFF",
"SceneChangeDetect"=> "ENABLED",
"QualityTuningLevel"=> "SINGLE_PASS",
"FramerateConversionAlgorithm"=> "DUPLICATE_DROP",
"UnregisteredSeiTimecode"=> "DISABLED",
"GopSizeUnits"=> "FRAMES",
"ParControl"=> "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames"=> 2,
"RepeatPps"=> "DISABLED",
"DynamicSubGop"=> "STATIC"
]
],
"AfdSignaling"=> "NONE",
"DropFrameTimecode"=> "ENABLED",
"RespondToAfd"=> "NONE",
"ColorMetadata"=> "INSERT"
],
"NameModifier"=> "1"
],
[
"ContainerSettings"=> [
"Container"=> "MPD"
],
"VideoDescription"=> [
"Width"=> 1280,
"ScalingBehavior"=> "DEFAULT",
"Height"=> 720,
"TimecodeInsertion"=> "DISABLED",
"AntiAlias"=> "ENABLED",
"Sharpness"=> 50,
"CodecSettings"=> [
"Codec"=> "H_264",
"H264Settings"=> [
"InterlaceMode"=> "PROGRESSIVE",
"NumberReferenceFrames"=> 3,
"Syntax"=> "DEFAULT",
"Softness"=> 0,
"GopClosedCadence"=> 1,
"GopSize"=> 60,
"Slices"=> 1,
"GopBReference"=> "DISABLED",
"SlowPal"=> "DISABLED",
"SpatialAdaptiveQuantization"=> "ENABLED",
"TemporalAdaptiveQuantization"=> "ENABLED",
"FlickerAdaptiveQuantization"=> "DISABLED",
"EntropyEncoding"=> "CABAC",
"Bitrate"=> 7200000,
"FramerateControl"=> "INITIALIZE_FROM_SOURCE",
"RateControlMode"=> "CBR",
"CodecProfile"=> "MAIN",
"Telecine"=> "NONE",
"MinIInterval"=> 0,
"AdaptiveQuantization"=> "HIGH",
"CodecLevel"=> "AUTO",
"FieldEncoding"=> "PAFF",
"SceneChangeDetect"=> "ENABLED",
"QualityTuningLevel"=> "SINGLE_PASS",
"FramerateConversionAlgorithm"=> "DUPLICATE_DROP",
"UnregisteredSeiTimecode"=> "DISABLED",
"GopSizeUnits"=> "FRAMES",
"ParControl"=> "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames"=> 2,
"RepeatPps"=> "DISABLED",
"DynamicSubGop"=> "STATIC"
]
],
"AfdSignaling"=> "NONE",
"DropFrameTimecode"=> "ENABLED",
"RespondToAfd"=> "NONE",
"ColorMetadata"=> "INSERT"
],
"NameModifier"=> "2"
],
[
"ContainerSettings"=> [
"Container"=> "MPD"
],
"AudioDescriptions"=> [
[
"AudioTypeControl"=> "FOLLOW_INPUT",
"AudioSourceName"=> "Audio Selector 1",
"CodecSettings"=> [
"Codec"=> "AAC",
"AacSettings"=> [
"AudioDescriptionBroadcasterMix"=> "NORMAL",
"Bitrate"=> 96000,
"RateControlMode"=> "CBR",
"CodecProfile"=> "LC",
"CodingMode"=> "CODING_MODE_2_0",
"RawFormat"=> "NONE",
"SampleRate"=> 48000,
"Specification"=> "MPEG4"
]
],
"LanguageCodeControl"=> "FOLLOW_INPUT"
]
],
"NameModifier"=> "3"
]
],
"OutputGroupSettings"=> [
"Type"=> "DASH_ISO_GROUP_SETTINGS",
"DashIsoGroupSettings"=> [
"SegmentLength"=> 1,
"Destination"=> "s3://cactustestphp/videouploads/".$link . "/".$link,
"FragmentLength"=> 2,
"SegmentControl"=> "SEGMENTED_FILES",
"MpdProfile"=> "MAIN_PROFILE",
"HbbtvCompliance"=> "NONE"
]
]
]
],
"AdAvailOffset"=> 0,
"Inputs"=> [
[
"AudioSelectors"=> [
"Audio Selector 1"=> [
"Offset"=> 0,
"DefaultSelection"=> "DEFAULT",
"ProgramSelection"=> 1
]
],
"VideoSelector"=> [
"ColorSpace"=> "FOLLOW",
"Rotate"=> "DEGREE_0",
"AlphaBehavior"=> "DISCARD"
],
"FilterEnable"=> "AUTO",
"PsiControl"=> "USE_PSI",
"FilterStrength"=> 0,
"DeblockFilter"=> "DISABLED",
"DenoiseFilter"=> "DISABLED",
"InputScanType"=> "AUTO",
"TimecodeSource"=> "ZEROBASED",
"FileInput"=> "s3://cactustestphp/videouploads/test/". $fileid
]
]
];
ジョンソン:
{
"Queue": "!!",
"UserMetadata": {
"Customer": "Amazon"
},
"Role": "!!",
"Settings": {
"OutputGroups": [
{
"CustomName": "nicenice",
"Name": "DASH ISO",
"Outputs": [
{
"ContainerSettings": {
"Container": "MPD"
},
"VideoDescription": {
"Width": 3840,
"ScalingBehavior": "DEFAULT",
"Height": 2160,
"TimecodeInsertion": "DISABLED",
"AntiAlias": "ENABLED",
"Sharpness": 50,
"CodecSettings": {
"Codec": "H_264",
"H264Settings": {
"InterlaceMode": "PROGRESSIVE",
"NumberReferenceFrames": 3,
"Syntax": "DEFAULT",
"Softness": 0,
"FramerateDenominator": 1,
"GopClosedCadence": 1,
"GopSize": 30,
"Slices": 1,
"GopBReference": "DISABLED",
"SlowPal": "DISABLED",
"SpatialAdaptiveQuantization": "ENABLED",
"TemporalAdaptiveQuantization": "ENABLED",
"FlickerAdaptiveQuantization": "DISABLED",
"EntropyEncoding": "CABAC",
"Bitrate": 66200000,
"FramerateControl": "SPECIFIED",
"RateControlMode": "CBR",
"CodecProfile": "MAIN",
"Telecine": "NONE",
"FramerateNumerator": 30,
"MinIInterval": 0,
"AdaptiveQuantization": "HIGH",
"CodecLevel": "AUTO",
"FieldEncoding": "PAFF",
"SceneChangeDetect": "ENABLED",
"QualityTuningLevel": "SINGLE_PASS",
"FramerateConversionAlgorithm": "DUPLICATE_DROP",
"UnregisteredSeiTimecode": "DISABLED",
"GopSizeUnits": "FRAMES",
"ParControl": "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames": 2,
"RepeatPps": "DISABLED",
"DynamicSubGop": "STATIC"
}
},
"AfdSignaling": "NONE",
"DropFrameTimecode": "ENABLED",
"RespondToAfd": "NONE",
"ColorMetadata": "INSERT"
},
"NameModifier": "1"
},
{
"ContainerSettings": {
"Container": "MPD"
},
"VideoDescription": {
"Width": 1920,
"ScalingBehavior": "DEFAULT",
"Height": 1080,
"TimecodeInsertion": "DISABLED",
"AntiAlias": "ENABLED",
"Sharpness": 50,
"CodecSettings": {
"Codec": "H_264",
"H264Settings": {
"InterlaceMode": "PROGRESSIVE",
"NumberReferenceFrames": 3,
"Syntax": "DEFAULT",
"Softness": 0,
"FramerateDenominator": 1,
"GopClosedCadence": 1,
"GopSize": 30,
"Slices": 1,
"GopBReference": "DISABLED",
"SlowPal": "DISABLED",
"SpatialAdaptiveQuantization": "ENABLED",
"TemporalAdaptiveQuantization": "ENABLED",
"FlickerAdaptiveQuantization": "DISABLED",
"EntropyEncoding": "CABAC",
"Bitrate": 16200000,
"FramerateControl": "SPECIFIED",
"RateControlMode": "CBR",
"CodecProfile": "MAIN",
"Telecine": "NONE",
"FramerateNumerator": 30,
"MinIInterval": 0,
"AdaptiveQuantization": "HIGH",
"CodecLevel": "AUTO",
"FieldEncoding": "PAFF",
"SceneChangeDetect": "ENABLED",
"QualityTuningLevel": "SINGLE_PASS",
"FramerateConversionAlgorithm": "DUPLICATE_DROP",
"UnregisteredSeiTimecode": "DISABLED",
"GopSizeUnits": "FRAMES",
"ParControl": "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames": 2,
"RepeatPps": "DISABLED",
"DynamicSubGop": "STATIC"
}
},
"AfdSignaling": "NONE",
"DropFrameTimecode": "ENABLED",
"RespondToAfd": "NONE",
"ColorMetadata": "INSERT"
},
"NameModifier": "2"
},
{
"ContainerSettings": {
"Container": "MPD"
},
"VideoDescription": {
"Width": 1280,
"ScalingBehavior": "DEFAULT",
"Height": 720,
"TimecodeInsertion": "DISABLED",
"AntiAlias": "ENABLED",
"Sharpness": 50,
"CodecSettings": {
"Codec": "H_264",
"H264Settings": {
"InterlaceMode": "PROGRESSIVE",
"NumberReferenceFrames": 3,
"Syntax": "DEFAULT",
"Softness": 0,
"FramerateDenominator": 1,
"GopClosedCadence": 1,
"GopSize": 30,
"Slices": 1,
"GopBReference": "DISABLED",
"SlowPal": "DISABLED",
"SpatialAdaptiveQuantization": "ENABLED",
"TemporalAdaptiveQuantization": "ENABLED",
"FlickerAdaptiveQuantization": "DISABLED",
"EntropyEncoding": "CABAC",
"Bitrate": 5200000,
"FramerateControl": "SPECIFIED",
"RateControlMode": "CBR",
"CodecProfile": "MAIN",
"Telecine": "NONE",
"FramerateNumerator": 30,
"MinIInterval": 0,
"AdaptiveQuantization": "HIGH",
"CodecLevel": "AUTO",
"FieldEncoding": "PAFF",
"SceneChangeDetect": "ENABLED",
"QualityTuningLevel": "SINGLE_PASS",
"FramerateConversionAlgorithm": "DUPLICATE_DROP",
"UnregisteredSeiTimecode": "DISABLED",
"GopSizeUnits": "FRAMES",
"ParControl": "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames": 2,
"RepeatPps": "DISABLED",
"DynamicSubGop": "STATIC"
}
},
"AfdSignaling": "NONE",
"DropFrameTimecode": "ENABLED",
"RespondToAfd": "NONE",
"ColorMetadata": "INSERT"
},
"NameModifier": "3"
},
{
"ContainerSettings": {
"Container": "MPD"
},
"VideoDescription": {
"Width": 640,
"ScalingBehavior": "DEFAULT",
"Height": 360,
"TimecodeInsertion": "DISABLED",
"AntiAlias": "ENABLED",
"Sharpness": 50,
"CodecSettings": {
"Codec": "H_264",
"H264Settings": {
"InterlaceMode": "PROGRESSIVE",
"NumberReferenceFrames": 3,
"Syntax": "DEFAULT",
"Softness": 0,
"FramerateDenominator": 1,
"GopClosedCadence": 1,
"GopSize": 30,
"Slices": 1,
"GopBReference": "DISABLED",
"SlowPal": "DISABLED",
"SpatialAdaptiveQuantization": "ENABLED",
"TemporalAdaptiveQuantization": "ENABLED",
"FlickerAdaptiveQuantization": "DISABLED",
"EntropyEncoding": "CABAC",
"Bitrate": 1200000,
"FramerateControl": "SPECIFIED",
"RateControlMode": "CBR",
"CodecProfile": "MAIN",
"Telecine": "NONE",
"FramerateNumerator": 30,
"MinIInterval": 0,
"AdaptiveQuantization": "HIGH",
"CodecLevel": "AUTO",
"FieldEncoding": "PAFF",
"SceneChangeDetect": "ENABLED",
"QualityTuningLevel": "SINGLE_PASS",
"FramerateConversionAlgorithm": "DUPLICATE_DROP",
"UnregisteredSeiTimecode": "DISABLED",
"GopSizeUnits": "FRAMES",
"ParControl": "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames": 2,
"RepeatPps": "DISABLED",
"DynamicSubGop": "STATIC"
}
},
"AfdSignaling": "NONE",
"DropFrameTimecode": "ENABLED",
"RespondToAfd": "NONE",
"ColorMetadata": "INSERT"
},
"NameModifier": "4"
},
{
"ContainerSettings": {
"Container": "MPD"
},
"VideoDescription": {
"Width": 256,
"ScalingBehavior": "DEFAULT",
"Height": 144,
"TimecodeInsertion": "DISABLED",
"AntiAlias": "ENABLED",
"Sharpness": 50,
"CodecSettings": {
"Codec": "H_264",
"H264Settings": {
"InterlaceMode": "PROGRESSIVE",
"NumberReferenceFrames": 3,
"Syntax": "DEFAULT",
"Softness": 0,
"FramerateDenominator": 1,
"GopClosedCadence": 1,
"GopSize": 30,
"Slices": 1,
"GopBReference": "DISABLED",
"SlowPal": "DISABLED",
"SpatialAdaptiveQuantization": "ENABLED",
"TemporalAdaptiveQuantization": "ENABLED",
"FlickerAdaptiveQuantization": "DISABLED",
"EntropyEncoding": "CABAC",
"Bitrate": 200000,
"FramerateControl": "SPECIFIED",
"RateControlMode": "CBR",
"CodecProfile": "MAIN",
"Telecine": "NONE",
"FramerateNumerator": 30,
"MinIInterval": 0,
"AdaptiveQuantization": "HIGH",
"CodecLevel": "AUTO",
"FieldEncoding": "PAFF",
"SceneChangeDetect": "ENABLED",
"QualityTuningLevel": "SINGLE_PASS",
"FramerateConversionAlgorithm": "DUPLICATE_DROP",
"UnregisteredSeiTimecode": "DISABLED",
"GopSizeUnits": "FRAMES",
"ParControl": "INITIALIZE_FROM_SOURCE",
"NumberBFramesBetweenReferenceFrames": 2,
"RepeatPps": "DISABLED",
"DynamicSubGop": "STATIC"
}
},
"AfdSignaling": "NONE",
"DropFrameTimecode": "ENABLED",
"RespondToAfd": "NONE",
"ColorMetadata": "INSERT"
},
"NameModifier": "5"
},
{
"ContainerSettings": {
"Container": "MPD"
},
"AudioDescriptions": [
{
"AudioTypeControl": "FOLLOW_INPUT",
"AudioSourceName": "Audio Selector 1",
"CodecSettings": {
"Codec": "AAC",
"AacSettings": {
"AudioDescriptionBroadcasterMix": "NORMAL",
"Bitrate": 96000,
"RateControlMode": "CBR",
"CodecProfile": "LC",
"CodingMode": "CODING_MODE_2_0",
"RawFormat": "NONE",
"SampleRate": 48000,
"Specification": "MPEG4"
}
},
"LanguageCodeControl": "FOLLOW_INPUT"
}
],
"NameModifier": "6"
}
],
"OutputGroupSettings": {
"Type": "DASH_ISO_GROUP_SETTINGS",
"DashIsoGroupSettings": {
"SegmentLength": 1,
"Destination": "!!/videouploads/5fa1ababa7cea975176544/5fa1ababa7cea975176544",
"FragmentLength": 1,
"SegmentControl": "SEGMENTED_FILES",
"MpdProfile": "MAIN_PROFILE",
"HbbtvCompliance": "NONE"
}
}
}
],
"AdAvailOffset": 0,
"Inputs": [
{
"AudioSelectors": {
"Audio Selector 1": {
"Offset": 0,
"DefaultSelection": "DEFAULT",
"ProgramSelection": 1
}
},
"VideoSelector": {
"ColorSpace": "FOLLOW",
"Rotate": "DEGREE_0",
"AlphaBehavior": "DISCARD"
},
"FilterEnable": "AUTO",
"PsiControl": "USE_PSI",
"FilterStrength": 0,
"DeblockFilter": "DISABLED",
"DenoiseFilter": "DISABLED",
"TimecodeSource": "ZEROBASED",
"FileInput": "!!/videouploads/test/5fa1ababa7cea975176544.mp4"
}
]
},
"AccelerationSettings": {
"Mode": "DISABLED"
},
"StatusUpdateInterval": "SECONDS_60",
"Priority": 0
}
つまり、セグメントの長さを 1 秒以下に設定するには、何を変更する必要があるのでしょうか?