It's neither a CUDA problem (I have changed the thread title) nor a driver one, as they all show the same behaviour, i.e. wrong video indexing, reporting a wrong FPS:
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Stream Type: Matroska
Video Type: AVC
Profile: High
Level: 4
Coded Size: 1920x1088
PAR: 1:1
Display Size: 1920x1080
Frame Rate: 90000.000000 fps
Colorimetry: Unknown [2]
Frame Structure:
Frame Type:
Coded Number: 35198
Playback Number: 35198
Frame Repeats: 0
Field Repeats: 0
Bitrate:
Bitrate (Avg): 38538.718
Bitrate (Max):
Audio Stream: 2: A_FLAC 48000 2ch "jpn"
Elapsed: 0:00:04
Remain: 0:00:00
FPS:
Info: Finished!
And, manually opening the mkv:
but the original stream is absolutely correct:
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Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference fra : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 24 min 28 s
Bit rate : 13.2 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.266
Stream size : 2.26 GiB (90%)
Writing library : x264 core 142
Encoding settings : opencl=1 / cabac=1 / ref=4 / deblock=1:-2:-2 / analyse=0x3:0x113 / me=umh / subme=9 / psy=1 / psy_rd=0.70:0.00 / mixed_ref=0 / me_range=32 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=8 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=9 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=16.0 / qcomp=0.70 / qpmin=10 / qpmax=20 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Default : Yes
Forced : No
I have tested 242 version with all the above driver versions and there are no issues at all.
To double check, I used the major software video decoders and they work fine too.