"Frame step back" is jumping backwards a lot of frames. Almost a whole second, I believe. Here is my ctrl+tab diagnostic info (I've trimmed the list of running processes):
[Primary Filtergraph]
0) - Star Trek TNG 02x03 - Elementary, Dear Data.mkv
1) - KMP Built-in LAV Splitter
2) - KMP Built-in LAV Audio Codec
3) - KMP Built-in LAV Video Codec
4) - KMP Video Transform
5) - KMP Audio Transform(Copy)
6) - Enhanced Video Renderer(C/A)
7) - Default DirectSound Device
[Video Info]
Decoder -(AVC1) KMP Built-in LAV Video Codec(h264-avcodec)
Format -Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 1920X1080, 12 bits
Format -Major Type: Video - Sub Type: YV12
VideoInfo2: YV12 2048X-1080, 12 bits
[Audio Info]
Decoder -(0x2001) KMP Built-in LAV Audio Codec(dts-hd ma)
Format -Major Type: Audio - Sub Type: PCM
WaveFormatEx: ExtPCM(0xFFFE), 48000 Hz, 24 Bits, 8 Ch
[Basic Video DSP]
Internal brightness: 100%
[Advanced Video DSP]
+Video Plugin
[Audio DSP]
+Pre amplification: Main: (100%)
+Auto Volume Control
+3D Effect: 5000
+Audio Plugin
[Subtitle Settings]
+Draw Mode(Selected): VMR
+Draw Mode(In use): None
+Text Rendering Method: Rasterizer
+Support HTML Tags(SMI)
[KMPlayer]
+Version: 4.0.1.5(15,638,848, 10/16/2015 4:05:04 AM)
+libcodec.dll: (4,548,096, 1/18/2013 2:47:48 AM)
+libmplay.dll: (538,112, 10/31/2012 3:59:32 AM)
+PProcDLL.dll: 1.0.0.1(1,769,472, 2/25/2008 1:07:04 AM)
+LibDTS.dll: (178,174, 12/5/2008 2:42:20 AM)
+liba52.dll: (73,063, 12/5/2008 2:41:10 AM)
+libfaad2.dll: (335,155, 12/5/2008 2:37:06 AM)
+libmad.dll: (123,036, 12/5/2008 2:42:30 AM)
+libmpeg2.dll: (154,644, 12/5/2008 2:42:42 AM)
+theora.dll: (200,864, 12/5/2008 2:43:32 AM)
+OggVorbis.dll: (1,165,312, 2/25/2008 1:07:00 AM)
+xviddll.dll: (758,319, 12/5/2008 2:58:36 AM)
+Old_QUARTZ.DLL: 6.01.05.0319(770,048, 2/25/2008 1:07:00 AM)
+AboutDll.dll: (105,472, 10/3/2005 12:12:18 AM)
+DTView.dll: (98,304, 2/21/2012 4:27:36 AM)
+ImLoader.dll: (856,064, 2/25/2008 1:05:22 AM)
+MediaInfo.dll: 0.7.78.0(4,579,152, 10/2/2015 3:20:32 AM)
--------------------
[File Info]
--------------------
\\HOLODECK3\Videos\TV\Star Trek - The Next Generation\Season 2\Star Trek TNG 02x03 - Elementary, Dear Data.mkv
General
Unique ID : 143095610887508920467790238765177960495 (0x6BA7365234BB5330AC15CC309498F82F)
Complete name : \\HOLODECK3\Videos\TV\Star Trek - The Next Generation\Season 2\Star Trek TNG 02x03 - Elementary, Dear Data.mkv
Format : Matroska
Format version : Version 2
File size : 7.29 GiB
Duration : 45mn 39s
Overall bit rate mode : Variable
Overall bit rate : 22.8 Mbps
Movie name : Star Trek TNG
Encoded date : UTC 2013-03-24 19:08:49
Writing application : MakeMKV v1.7.9 win(x64-release)
Writing library : libmakemkv v1.7.9 (1.2.0/1.1.0) win(x64-release)
Video #1
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 45mn 39s
Bit rate mode : Variable
Maximum bit rate : 38.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Language : English
Default : No
Forced : No
Audio #2
ID : 2
Format : DTS
Format/Info : Digital Theater Systems
Format profile : MA / Core
Mode : 16
Format settings, Endianness : Big
Codec ID : A_DTS
Duration : 45mn 39s
Bit rate mode : Variable
Bit rate : Unknown / 1 509 Kbps
Channel(s) : 8 channels / 6 channels
Channel positions : Front: L C R, Side: L R, Back: L R, LFE / Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Compression mode : Lossless / Lossy
Title : Lossless
Language : English
Default : Yes
Forced : No
Audio #3
ID : 3
Format : DTS
Format/Info : Digital Theater Systems
Mode : 16
Format settings, Endianness : Big
Codec ID : A_DTS
Duration : 45mn 39s
Bit rate mode : Constant
Bit rate : 1 509 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Compression mode : Lossy
Stream size : 493 MiB (7%)
Title : 3/2+1
Language : English
Default : No
Forced : No
--------------------
[System Info]
--------------------
CPU 0: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 1: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 2: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 3: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 4: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 5: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 6: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
CPU 7: 3999MHz, Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz, Intel64 Family 6 Model 60 Stepping 3
OS: Windows NT(Version 2.1700168 Build 41825) ⸄铧
Video: NVIDIA GeForce GTX 660
DirectX: 9.0c(4.09.00.0904)
Memory: All: 2,097,152 KB, Available: 2,097,152 KB, Used: 0%
CodePage: 1252, Charset:1
Instruction: MMX MMX2 SSE SSE2 SSE3 64Bits
[System Process]
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