@sneaker_ger: The source seems fine. No obviously wrong values, either widhth/height or aspect ratio. (See the next-after-next post.) The error seems to be coded into the x264 stream.
One-Click profile:
<?xml version="1.0"?>
<GenericProfileOfOneClickSettings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Name>Pixie (2pass 2000 ABR, Progressive)</Name>
<Settings>
<VideoProfileName>x264: Pixie (2pass 2000 ABR)</VideoProfileName>
<AvsProfileName>AviSynth: *scratchpad*</AvsProfileName>
<PrerenderVideo>false</PrerenderVideo>
<AudioProfileName>migrated</AudioProfileName>
<AudioEncodingModeString>migrated</AudioEncodingModeString>
<AudioSettingsString>
<OneClickAudioSettings>
<AudioEncodingModeString>IfCodecDoesNotMatch</AudioEncodingModeString>
<Language>[default]</Language>
<Profile>Nero AAC: Pixie</Profile>
<UseFirstTrackOnly>true</UseFirstTrackOnly>
</OneClickAudioSettings>
</AudioSettingsString>
<DontEncodeVideo>false</DontEncodeVideo>
<SignalAR>false</SignalAR>
<AutomaticDeinterlacing>false</AutomaticDeinterlacing>
<AutoCrop>false</AutoCrop>
<KeepInputResolution>true</KeepInputResolution>
<OutputResolution>1280</OutputResolution>
<Filesize xsi:nil="true" />
<SplitSize xsi:nil="true" />
<ContainerCandidates>
<string>MKV</string>
</ContainerCandidates>
<LeadingName>Pixie.</LeadingName>
<WorkingNameReplace />
<WorkingNameReplaceWith />
<UseChaptersMarks>true</UseChaptersMarks>
<UseNoLanguagesAsFallback>false</UseNoLanguagesAsFallback>
<DisableIntermediateMKV>false</DisableIntermediateMKV>
<DefaultWorkingDirectory />
<DefaultOutputDirectory>D:\[Content]\XXXXXXXXXXXXX\Downloads</DefaultOutputDirectory>
<DefaultAudioLanguageString>
<string>English</string>
</DefaultAudioLanguageString>
<DefaultSubtitleLanguageString>
<string>[none]</string>
</DefaultSubtitleLanguageString>
<IndexerPriorityString>
<string>DGI</string>
<string>D2V</string>
<string>FFMS</string>
<string>AVISOURCE</string>
<string>DGA</string>
</IndexerPriorityString>
</Settings>
</GenericProfileOfOneClickSettings>
x264 profile:
<?xml version="1.0"?>
<GenericProfileOfx264Settings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Name>Pixie (2pass 2000 ABR)</Name>
<Settings>
<EncodingMode>4</EncodingMode>
<BitrateQuantizer>2000</BitrateQuantizer>
<KeyframeInterval>240</KeyframeInterval>
<NbBframes>3</NbBframes>
<MinQuantizer>10</MinQuantizer>
<MaxQuantizer>51</MaxQuantizer>
<V4MV>false</V4MV>
<QPel>false</QPel>
<Trellis>false</Trellis>
<CreditsQuantizer>40</CreditsQuantizer>
<Logfile>.stats</Logfile>
<VideoName />
<CustomEncoderOptions />
<FourCC>0</FourCC>
<MaxNumberOfPasses>3</MaxNumberOfPasses>
<NbThreads>0</NbThreads>
<x264PresetLevel>veryslow</x264PresetLevel>
<x264Tuning>migrated</x264Tuning>
<x264PsyTuning>FILM</x264PsyTuning>
<QuantizerCRF>2000</QuantizerCRF>
<InterlacedMode>progressive</InterlacedMode>
<TargetDeviceXML>0</TargetDeviceXML>
<BlurayCompatXML>False</BlurayCompatXML>
<NoDCTDecimate>false</NoDCTDecimate>
<PSNRCalculation>false</PSNRCalculation>
<NoFastPSkip>false</NoFastPSkip>
<NoiseReduction>0</NoiseReduction>
<NoMixedRefs>false</NoMixedRefs>
<X264Trellis>2</X264Trellis>
<NbRefFrames>5</NbRefFrames>
<AlphaDeblock>-1</AlphaDeblock>
<BetaDeblock>-1</BetaDeblock>
<SubPelRefinement>7</SubPelRefinement>
<MaxQuantDelta>4</MaxQuantDelta>
<TempQuantBlur>0</TempQuantBlur>
<BframePredictionMode>3</BframePredictionMode>
<VBVBufferSize>0</VBVBufferSize>
<VBVMaxBitrate>0</VBVMaxBitrate>
<METype>2</METype>
<MERange>16</MERange>
<MinGOPSize>24</MinGOPSize>
<IPFactor>1.4</IPFactor>
<PBFactor>1.3</PBFactor>
<ChromaQPOffset>0</ChromaQPOffset>
<VBVInitialBuffer>0.9</VBVInitialBuffer>
<BitrateVariance>1.0</BitrateVariance>
<QuantCompression>0.6</QuantCompression>
<TempComplexityBlur>20</TempComplexityBlur>
<TempQuanBlurCC>0.5</TempQuanBlurCC>
<SCDSensitivity>40</SCDSensitivity>
<BframeBias>0</BframeBias>
<PsyRDO>1.0</PsyRDO>
<PsyTrellis>0.00</PsyTrellis>
<Deblock>true</Deblock>
<Cabac>true</Cabac>
<UseQPFile>false</UseQPFile>
<WeightedBPrediction>true</WeightedBPrediction>
<WeightedPPrediction>2</WeightedPPrediction>
<NewAdaptiveBFrames>1</NewAdaptiveBFrames>
<x264BFramePyramid>0</x264BFramePyramid>
<x264GOPCalculation>1</x264GOPCalculation>
<ChromaME>true</ChromaME>
<MacroBlockOptions>0</MacroBlockOptions>
<P8x8mv>true</P8x8mv>
<B8x8mv>true</B8x8mv>
<I4x4mv>true</I4x4mv>
<I8x8mv>true</I8x8mv>
<P4x4mv>true</P4x4mv>
<AdaptiveDCT>true</AdaptiveDCT>
<SSIMCalculation>false</SSIMCalculation>
<QuantizerMatrix>Flat (none)</QuantizerMatrix>
<QuantizerMatrixType>0</QuantizerMatrixType>
<DeadZoneInter>21</DeadZoneInter>
<DeadZoneIntra>11</DeadZoneIntra>
<OpenGop>False</OpenGop>
<X264PullDown>0</X264PullDown>
<SampleAR>0</SampleAR>
<ColorMatrix>0</ColorMatrix>
<ColorPrim>0</ColorPrim>
<Transfer>0</Transfer>
<AQmode>1</AQmode>
<AQstrength>1.0</AQstrength>
<QPFile />
<Range>auto</Range>
<x264AdvancedSettings>true</x264AdvancedSettings>
<Lookahead>40</Lookahead>
<NoMBTree>true</NoMBTree>
<ThreadInput>true</ThreadInput>
<NoPsy>false</NoPsy>
<Scenecut>true</Scenecut>
<Nalhrd>0</Nalhrd>
<X264Aud>false</X264Aud>
<X264SlowFirstpass>false</X264SlowFirstpass>
<PicStruct>false</PicStruct>
<FakeInterlaced>false</FakeInterlaced>
<NonDeterministic>false</NonDeterministic>
<SlicesNb>0</SlicesNb>
<MaxSliceSyzeBytes>0</MaxSliceSyzeBytes>
<MaxSliceSyzeMBs>0</MaxSliceSyzeMBs>
<Profile>2</Profile>
<Level>migrated</Level>
<AVCLevel>L_40</AVCLevel>
<TuneFastDecode>false</TuneFastDecode>
<TuneZeroLatency>false</TuneZeroLatency>
</Settings>
</GenericProfileOfx264Settings>