MKV on the other hand shows playback starting on the server
0008610: 2596: Sharing Plugins: CHTTPListenerWorker::HandleConnection: Start
0008610: 2596: Sharing Plugins: CHTTPListenerWorker::HandleRequest: TCP: 10.151.167.17: GET: http://10.151.167.29:63412/MCWS/v1/File/GetFile?File=403240&conversion=63
0008610: 2596: Sharing Plugins: JRWebService::Process: Start
0008610: 2596: Sharing Plugins: JRWebService::Process: URL: /MCWS/v1/File/GetFile?File=403240&conversion=63
0008610: 2596: Sharing Plugins: CMediaFileServer::RespondToFileRequest: Start
0008610: 2596: Reader: TranscodingReader::TranscodingReader (settings): Start
0008610: 2596: Reader: TranscodingReader::TranscodingReader (settings): Finish (0 ms)
0008610: 2596: Sharing Plugins: CMediaFileServer::RespondToFileRequest: Finish (0 ms)
0008610: 2596: Sharing Plugins: JRWebService::Process: Finish (0 ms)
0008610: 2596: Encoders: CVideoConverterDX::OpenFile: Start
0008610: 2596: Encoders: CVideoConverterDX::OpenFile: Finish (0 ms)
0008625: 5212: General: CMCUICore::SystemPowerManager_UpdateActions: Start
0008625: 5212: General: CMCUICore::SystemPowerManager_UpdateActions: UI Mode: -999; Playing: 0
0008625: 5212: General: CMCUICore::SystemPowerManager_UpdateActions: Finish (result: 0) (0 ms)
0008719: 10884: Encoders: 0x2a84 CVideoConverterDX::Thread: Start
0008719: 10884: Encoders: CVideoConverterDX::BuildGraph: Start
0008719: 10884: Playback: DShowVideoGraph::Render: Start
0008719: 10884: Playback: DShowVideoGraph::ConnectSourceAndSplitter: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectSourceAndSplitter: Finish (16 ms)
0008735: 10884: Playback: CStreamSelectionList::FindStreams: Start
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Start
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Number of streams: 6
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 0, Name V: English [eng] (mpeg2 main, yuv420p, 720x576), Group 0, flag 3, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 1, Name A: Stereo [eng] (ac3, 48000 Hz, stereo, 192 kb/s) [default], Group 1, flag 3, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 2, Name A: Stereo [fre] (ac3, 48000 Hz, stereo, 192 kb/s), Group 1, flag 0, lcid 0x40c, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 3, Name S: English [eng] (vobsub) [default], Group 2, flag 3, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 4, Name S: English [eng] (vobsub), Group 2, flag 0, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 5, Name S: No subtitles, Group 2, flag 0, lcid 0xffffffff, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Finish (0 ms)
0008735: 10884: Playback: CStreamSelectionList::FindStreams: Finish (0 ms)
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Start
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Number of streams: 6
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 0, Name V: English [eng] (mpeg2 main, yuv420p, 720x576), Group 0, flag 3, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 1, Name A: Stereo [eng] (ac3, 48000 Hz, stereo, 192 kb/s) [default], Group 1, flag 3, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 2, Name A: Stereo [fre] (ac3, 48000 Hz, stereo, 192 kb/s), Group 1, flag 0, lcid 0x40c, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 3, Name S: English [eng] (vobsub) [default], Group 2, flag 0, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 4, Name S: English [eng] (vobsub), Group 2, flag 0, lcid 0x409, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Stream 5, Name S: No subtitles, Group 2, flag 3, lcid 0xffffffff, hr = 0x0
0008735: 10884: Playback: CStreamSelectionList::UpdateStreamsList: Finish (0 ms)
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoders: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectAudioDecoder: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectAudioDecoder: Added LAV audio decoder: 000000E305923438
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoder: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoder: Output pin 1: 000000E3774A3F48; Output pin 2: 0000000000000000; Decoder: 000000E305923438; Media type: Audio
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Success
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Finish (0 ms)
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoder: Finish (0 ms)
0008735: 10884: Playback: DShowVideoGraph::ConnectAudioDecoder: Finish (0 ms)
0008735: 10884: Playback: DShowVideoGraph::ConnectVideoDecoder: Start
0008735: 10884: Playback: CSubtitleEngine::CSubtitleEngine: Start
0008735: 10884: Playback: CSubtitleEngine::CSubtitleEngine: Finish (0 ms)
0008735: 10884: Playback: DShowVideoGraph::ConnectVideoDecoder: Added LAV video decoder: 000000E33DB106D8
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoder: Start
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoder: Output pin 1: 000000E306125178; Output pin 2: 0000000000000000; Decoder: 000000E33DB106D8; Media type: Video
0008735: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Start
0008735: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Start
0008828: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Enable DXVA2 Copy Back (result: 1)
0008828: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Finish (93 ms)
0008860: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Start
0008875: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Enable DXVA2 Copy Back (result: 1)
0008875: 10884: Playback: DShowFilterConf::InternalEnableAcceleration: Finish (15 ms)
0008875: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Success
0008875: 10884: Playback: DShowVideoGraph::ConnectDecoderPin: Finish (140 ms)
0008875: 10884: Playback: DShowVideoGraph::ConnectDecoder: Finish (140 ms)
0008891: 10884: Playback: DShowVideoGraph::ConnectVideoDecoder: Finish (156 ms)
0008891: 10884: Playback: DShowVideoGraph::ConnectDecoders: Finish (156 ms)
0008891: 10884: Playback: DShowVideoGraph::RenderForTranscoding: Start
0008891: 10884: Encoders: CEncoderFilter::CEncoderFilter: Start
0008891: 10884: Encoders: CEncoderFilter::CEncoderFilter: Finish (0 ms)
0008891: 10884: Encoders: CFFmpegTranscoder::SetInputVideoFormat: Input Video Format changed to 720x576 (1.778 AR)
0008891: 10884: Encoders: CEncoderFilter::Open: Start
0008891: 10884: Encoders: CFFmpegTranscoder::Open: Start
0008891: 10884: Encoders: CFFmpegTranscoder::CreateOutputFormat: Start
0008891: 10884: Encoders: CFFmpegTranscoder::CreateOutputFormat: Finish (0 ms)
0008891: 10884: Encoders: CFFmpegTranscoder::CreateVideoStream: Start
0008891: 10884: Encoders: CFFmpegTranscoder::CreateVideoStream: Input video is 50.00 FPS, AutoFPS 1, target FPS 50.00
0008891: 10884: Encoders: CFFmpegTranscoder::AVLog: [libx264 @ 000000E30B671280] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
0008891: 10884: Encoders: CFFmpegTranscoder::AVLog: [libx264 @ 000000E30B671280] profile High, level 4.2
0008891: 10884: Encoders: CFFmpegTranscoder::AVLog: [libx264 @ 000000E30B671280] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_threads=4 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=100 keyint_min=10 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=20.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=10000 vbv_bufsize=20000 crf_max=0.0 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
0008891: 10884: Encoders: CFFmpegTranscoder::CreateVideoStream: Finish (0 ms)
0008891: 10884: Encoders: CFFmpegTranscoder::CreateAudioStream: Start
0008891: 10884: Encoders: CFFmpegTranscoder::CreateAudioStream: Finish (0 ms)
0008891: 10884: Encoders: CFFmpegTranscoder::AVLog: [matroska @ 000000E310CB49C0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
0008891: 10884: Encoders: CFFmpegTranscoder::AVLog: [matroska @ 000000E310CB49C0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
0008891: 10884: Encoders: CFFmpegTranscoder::Open: Finish (0 ms)
0008891: 10884: Encoders: CEncoderFilter::Open: Result:
0008891: 10884: Encoders: CEncoderFilter::Open: Finish (0 ms)
0008891: 10884: Playback: DShowVideoGraph::RenderForTranscoding: Finish (0 ms)
0008891: 10884: Playback: DShowVideoGraph::Render: Rendering success: 1
0008891: 10884: Playback: DShowVideoGraph::Render: Finish (172 ms)
0008891: 10884: Encoders: 0x2a84 DumpGraph: Start