I converted fila A (256x176 avi) to file B (256x176 mkv).

Potplayer plays file A at 640x440 and file B al 256x176.

What does tell Potplayer to play them differently?
How do I make PP play B at 640x440 too?

Below I put the files info and the playback info.
Thanks.


File A info:
General
Complete name : T:\Folder1\VideoA.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 13.8 MiB
Duration : 2 min 18 s
Overall bit rate : 834 kb/s
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release

Video
ID : 0
Format : MPEG-4 Visual
Format profile : Simple@L3
Format settings, BVOP : No
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 2 min 18 s
Bit rate : 693 kb/s
Width : 256 pixels
Height : 176 pixels
Display aspect ratio : 3:2
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.514
Stream size : 11.5 MiB (83%)
Writing library : XviD 1.1.2 (UTC 2006-11-01)

Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Format settings : Joint stereo / MS Stereo
Codec ID : 55
Codec ID/Hint : MP3
Duration : 2 min 18 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Sampling rate : 48.0 kHz
Compression mode : Lossy
Stream size : 2.12 MiB (15%)
Alignment : Split across interleaves
Interleave, duration : 33 ms (1.00 video frame)
Interleave, preload duration : 500 ms



File B info:

General
Unique ID : 112505810033700730365773589535049744307 (0x54A3D4B2553B23262D0E327E806D7FB3)
Complete name : T:\Folder1\VideoB.mkv
Format : Matroska
Format version : Version 4
File size : 26.3 MiB
Duration : 2 min 18 s
Overall bit rate : 1 591 kb/s
Movie name : vvvvvvv
Track name/Position : 1
Track name/Total : 11
Encoded date : UTC 2021-01-16 22:06:18
Writing application : Lavf58.65.100
Writing library : Lavf58.65.100
ErrorDetectionType : Per level 1
CRC_Error_Pos : 59
REPLAYGAIN_GAIN : +0.27 dB
REPLAYGAIN_PEAK : 0.916666

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4
Format settings : CABAC / 2 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference fra : 2 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 2 min 18 s
Nominal bit rate : 1 500 kb/s
Width : 256 pixels
Height : 176 pixels
Display aspect ratio : 3:2
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) : 1.111
Writing library : x264 core 161 r3027
Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x1:0x131 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=5 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=0 / weightb=1 / open_gop=0 / weightp=2 / keyint=299 / keyint_min=29 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=abr / mbtree=1 / bitrate=1500 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=69 / qpstep=4 / vbv_maxrate=2000 / vbv_bufsize=24000 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=3:1.00
Default : Yes
Forced : No

Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 2 min 18 s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : -46 ms
Writing library : Lavc58.115.102 libfdk_aac
Default : Yes
Forced : No

File A playback info:

[Used Filter List]
(1) Built-in AVI Source
(2) Built-in Video Codec/Transform
(3) Enhanced Video Renderer(Custom Present)
(4) Built-in Audio Codec/Transform
(5) DirectSound Audio Renderer

[Video Information]
Codec: XVID - Built-in FFmpeg Decoder(mpeg4)
Input type: XVID(24 bits)
Input size: 256 × 176(1.45:1)
Output type: YUY2(16 bits)
Output size: 640 × 440(1.45:1)
Frame rate: 29.97
BitRate: 693.483 kbps

[Audio Information]
Codec: MPEG Audio Layer 3(0x55) - Built-in FFmpeg Decoder(mp3float)
Sample rate: 48000 -> 44100 samples/sec
Bits per sample: 0 -> 16 bits/sample
Channels: 2 -> 2 channels
Bitrate: 128 kbps



File B playback info:

[Used Filter List]
(1) Built-in MKV Source
(2) Built-in Video Codec/Transform
(3) Enhanced Video Renderer(Custom Present)
(4) Built-in Audio Codec/Transform
(5) DirectSound Audio Renderer

[Video Information]
Codec: AVC1 - Native D3D9 DXVA Decoder(VLD) - AMD Radeon R9 200 Series
Input type: AVC1(24 bits)
Input size: 256 × 176(1.45:1)
Output type: dxva
Output size: 256 × 176(1.45:1)
Frame rate: 29.97
BitRate: Unknown

[Audio Information]
Codec: AAC(0xaac0) - Built-in FFmpeg Decoder(aac)
Sample rate: 44100 -> 44100 samples/sec
Bits per sample: 16 -> 16 bits/sample
Channels: 2 -> 2 channels
Bitrate: 0 kbps