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Inspection as a Service (IaaS) Error Codes

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AV MUX Error Codes  Audio Error Codes Timed Text Errors IMF Error Codes

 

Overview

Inspection as a Service (IaaS) is a feature of Backlot that exposes our Automated QC error codes to Partners in advance of assets being processed by Netflix. 

Previously, these same inspections were run as part of our transcoding process and any failures resulted in Redelivery Requests. Our new workflow allows you to transfer your assets to Netflix and have them pre-validate through our technical inspections. If we detect any Automated QC errors, those error codes will be surfaced in Backlot with details, allowing you to correct the asset(s) and attempt the transfer again. These failures will not result in Redelivery Requests and they will not have any impact on your metrics. 

 

AV MUX Error Codes

 

Error Code

Description

Overridable?

ANALYZER-CommercialBlacks

A black segment(s) with a duration greater than two seconds has been found within the A/V MUX asset.

Yes

ANALYZER-IncorrectAssetType

The wrong asset type has been uploaded. For example, a WAV file has been uploaded to fulfill an A/V MUX Source Request.

No 

ANALYZER-IncorrectGopStructure

The MPEG2 files encoded GOP structure is not acceptable as it does not begin with an I-Frame.

Yes

ANALYZER-KeyFrameGopTooLong

The distance between I-frames with sequence headers exceeds the allowed length.

Yes

ANALYZER-LowVarianceFile

This error will be triggered if there is a frozen frame throughout the video, or if there is little difference between frames.

Yes

ANALYZER-NoStreamsFound

No streams found

Yes

ANALYZER-TelecineDetected

Our tools have detected a pulldown pattern that suggests the content is not in its native frame rate.

Yes

ANALYZER-VideoDecodeErrors

Our decoder detected errors while decoding the video elementary stream. This could be caused by corrupted bytes or lost packets. The error message will provide the affected frame number.

Yes

M2PS-InvalidProgramStream

Mpeg2 invalid stream

No

M2PS-LossOfSynch

Mpeg2 loss of synch

No

M2TS-AdaptationFieldCodedAs00

Mpeg2 adaption field error

No

M2TS-ContinuityCount

Mpeg2 continuity error

No

M2TS-InconsistentPmtPID

Mpeg2 PMT PID error

No

M2TS-InconsistentProgramNumber

Mpeg2 program PAT error

No

M2TS-InvalidTransportStream

Mpeg2 invalid transport stream

No

M2TS-MultipleAudioStreams

Mpeg2 contains multiple audio streams

No

M2TS-MultipleProgramsFound

Mpeg2 contains multiple programs

No

M2TS-MultipleVideoStreams

Mpeg2 contains multiple video streams

No

M2TS-PacketSynch

Mpeg2 packet synch error

No

M2TS-PatMissing

Mpeg2 PAT missing

No

M2TS-PcrWentbackwards

Mpeg2 PCR backwards error

No

M2TS-PmtMissing

Mpeg2 PMT missing error

No

M2V-SoftTelecine

Mpeg2 soft telecine error

Yes

ProResValidation-InvalidProResFile

When indexing the ProRes file our system indicates that the file does not comply to the ProRes 422 HQ profile. 

No

QuickTime-ContainerError

Issues were detected when attempting to read the MOV container. This could include missing or unsupported atoms and inconsistent media/track times among other things.

No

QuickTime-ExternalMediaReference 

The MOV file delivered is not a self-contained movie and is attempting to reference additional media. 

No 

 QuickTime-InvalidHeaderMetadataError

A mandatory QuickTime header metadata flag in the file has invalid value(s).

 No

 QuickTime-InvalidMedia

 The MOV file does not appear to have iTunes compliant video or audio, specifically the wrong codecs were used. 

No 

 QuickTime-InvalidTrackError

 

No 

 QuickTime-MissingHeaderMetadataError

 

No 

 QuickTime-RuntimeConformanceError

The runtimes of the video and audio elementary streams within the MOV container differ significantly.

No

 QuickTime-TrackReadError

A Track has QuickTime header metadata with an invalid value(s), review the InvalidHeaderMetadata errors within the message details.

No 

 VALIDATOR-1

A discrepancy has been detected between the runtime of the original asset delivered and that of a resupplied asset.

Yes

 VALIDATOR-4

Video audio duration error

Yes

 VALIDATOR-5

3D wrong extension

No

 VALIDATOR-6

Format MPG error

No

 VALIDATOR-8

Video resolution error

No

 VALIDATOR-12

File missing error

No

 VALIDATOR-13

Video missing error

No

 VALIDATOR-17

FPS conformance error

No

 UNSUPPORTED-1

3D wrong type error

No

 

 

Audio Error Codes

 

Error Code

Description

Overridable?

DolbyAtmos-MetadataValidationError

The specified FFOA (first-frame of action), frame rate, audio bit depth, or sample rate does not meet the Netflix/Atmos specification or match expectations derived from the video reference file.

Yes

DolbyAtmos-ProcessingFailure

An internal/unexpected error has been encountered during inspection. 

No

DolbyAtmos-ValidationFailure

The Dolby Atmos encoder is unable to confirm that the delivered file (ADM BWAV) is a valid Atmos source.  This could be a result of file corruption or due to an improper conversion into a format that is not recognized by Dolby tools. 

No

M2TS-MultipleAudioStreams

Mpeg2 multiple audio streams

No

M2TS-MultipleProgramsFound

Mpeg2 contains multiple programs

No

UNSUPPORTED-2

A secondary audio asset has the same language code as the associated A/V MUX asset which already has 8 channels.

No 

UNSUPPORTED-3

A secondary audio asset has the same language code another audio asset which already has 8 channels.

No

UNSUPPORTED-4

The Secondary Audio file has an identical language code and channel mapping as the associated A/V MUX asset suggesting that either the language code or channel mapping used for the Secondary Audio asset is incorrect.

No

VALIDATOR-1

A discrepancy has been detected between the runtime of the original asset delivered and that of a resupplied asset.

Yes

VALIDATOR-4

Video audio duration error

Yes

VALIDATOR-7

Audio channel mismatch

No

VALIDATOR-12

Our system is unable to locate the source file on the S3 storage. This is an internal issue.

No

 

 

Timed Text Error Codes  

Error Code

Description

Overridable?

TimedText-DuplicateCaption

Duplicate captions

Yes

TimedText-EBUParseError

Our EBU Analyzer was unable to complete parsing of the EBU file.

No

TimedText-InvalidCharacter

The timed text file has an invalid character.

Yes

TimedText-InvalidFileEBU

Invalid EBU file

No

TimedText-InvalidFileSCC

Invalid SCC file

No

TimedText-InvalidFileSRT

Invalid SRT file

No

TimedText-InvalidFileTTML

Invalid TTML file

No

TimedText-MaximumOffsetExceeded

The first timed-text event occurs after 45 minutes. 

Yes

TimedText-OverlappingText

This means that multiple events are trying to be displayed in the same region on-screen at the same time.

No

TimedText-SccInvalidChannel

Command channel 1 error

No

TimedText-SccInvalidCommand

The closed caption file contains a command that is not recognized.

Yes

TimedText-SccParityCheckFailed

SCC parity check error

Yes

TimedText-TimestampWentBackwards

The time stamps do not appear in sequential order.

No

TimedText-TTMLInvalidSchema

The TTML file has a schema issue that may cause presentation issues.

No

TimedText-UnrecognizedAsset

An unsupported file format has been uploaded

No

VALIDATOR-12

Our system is unable to locate the source file on the S3 storage. This is an internal issue.

No

 

 

IMF Error Codes

Error Code

Description

Overridable?

Imf-channelCountDoesNotMatchMapping

A discrepancy exists between the number of channels within the IMF package and that specified within the metadata.

No

Imf-MXFReaderError

 

No

Imf-RuntimeConformanceError

 

No

Imf-UnsupportedColorSpace

 

No

IMFEssenceComponentIndexGenerator-IMFEssenceComponentError

 

No

IMFEssenceComponentIndexGenerator-IMFEssenceComponentMetadataError

 

No

IMFEssenceComponentIndexGenerator-InvalidSampleRate

 

No

IMFEssenceComponentIndexGenerator-UnsupportedBitDepth

 

No

IMFEssenceComponentIndexGenerator-UnsupportedColorSpace

 

No

J2KValidation-InconsistentBitDepth

 

No

J2KValidation-InvalidJ2KFile

 

No

 


Change Log:

2018-05-08

Added 3 new Dolby Atmos inspections under the "Audio Error Codes" section.   

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