Media Player Classic ignores display aspect ratio in MKV container

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Media Player Classic ignores display aspect ratio in MKV container Empty Media Player Classic ignores display aspect ratio in MKV container

Post by reydson Sat Sep 19, 2020 2:12 am

I am running the version 15.7.0 Full of the K-Lite Codec Pack on Windows 10 and I'm having issues playing some particular videos on MPC.

Here's the scenario:

Video originally recorded at 4:3 aspect ratio, then encoded into stretched 16:9 video file.
The video resolution is 1920x720 but the MKV container says the player should play the video in 4:3 instead of 16:9.
Older versions of MPC would obey the container and play the video in 4:3. Newer versions will ignore the aspect ratio set in the video container and play the aspect ratio of the H264 file.

I have this issue with the version 15.7.0. I had version 15.4.0 in my HDD, so I downgraded to 15.4.0 and the video plays fine in 4:3 display aspect ratio.

Here's the mediainfo of a sample file I'm having problems playing.

Code:
General
Unique ID                   : 132135193294094481516179551362263549027 (0x6368500318B5C9B549DC913BBCD80463)
Complete name               : Z:\Globosat Play\Downloads\Laços de Família S01E001 (05-06-2000) 720p WEB-DL.mkv
Format                      : Matroska
Format version              : Version 4
File size                   : 1.14 GiB
Duration                    : 1 h 18 min
Overall bit rate            : 2 091 kb/s
Encoded date                : UTC 2020-09-19 00:51:28
Writing application         : mkvmerge v31.0.0 ('Dolores In A Shoestand') 64-bit
Writing library             : libebml v1.3.6 + libmatroska v1.4.9

Video
ID                          : 1
Format                      : AVC
Format/Info                 : Advanced Video Codec
Format profile              : High@L3.1
Format settings             : CABAC / 2 Ref Frames
Format settings, CABAC      : Yes
Format settings, Reference  : 2 frames
Codec ID                    : V_MPEG4/ISO/AVC
Duration                    : 1 h 18 min
Bit rate                    : 1 961 kb/s
Width                       : 1 280 pixels
Height                      : 720 pixels
Display aspect ratio        : 4:3
Original display aspect rat : 16:9
Frame rate mode             : Constant
Frame rate                  : 29.970 (30000/1001) FPS
Color space                 : YUV
Chroma subsampling          : 4:2:0
Bit depth                   : 8 bits
Scan type                   : Progressive
Bits/(Pixel*Frame)          : 0.071
Stream size                 : 1.07 GiB (94%)
Writing library             : x264 core 142
Encoding settings           : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=4 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=36 / lookahead_threads=5 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=1 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=29 / keyint_min=2 / scenecut=40 / intra_refresh=0 / rc=2pass / mbtree=0 / bitrate=1961 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00
Default                     : Yes
Forced                      : No

Audio
ID                          : 2
Format                      : AAC LC
Format/Info                 : Advanced Audio Codec Low Complexity
Codec ID                    : A_AAC-2
Duration                    : 1 h 18 min
Bit rate                    : 128 kb/s
Channel(s)                  : 2 channels
Channel layout              : L R
Sampling rate               : 48.0 kHz
Frame rate                  : 46.875 FPS (1024 SPF)
Compression mode            : Lossy
Delay relative to video     : -21 ms
Stream size                 : 71.7 MiB (6%)
Language                    : Portuguese
Default                     : Yes
Forced                      : No


reydson

Posts : 1
Join date : 2020-09-19

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Media Player Classic ignores display aspect ratio in MKV container Empty Re: Media Player Classic ignores display aspect ratio in MKV container

Post by Admin Sat Sep 19, 2020 3:25 pm


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