For vis, I've attached a log text. Please have a look.

ffmpeg started on 2023-04-16 at 14:51:17
Report written to "C:\ProgramData\vMix\streaming\streaming3 20230416-145116.log"
Command line:
"C:\\Program Files (x86)\\vMix\\streaming\\ffmpeg2.exe" -report -f mpegts -i - -vcodec copy -acodec copy -bsf:a aac_adtstoasc -rtmp_flashver "FMLE/3.0 (compatible; vMix/26.0.0.42)" -f flv rtmp://a.rtmp.youtube.com/live2
ffmpeg version 3.3.git Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 4.8.1 (rev2, Built by MinGW-W64 project)
configuration: --enable-gpl --enable-version3 --enable-libx264 --enable-zlib --enable-nvenc --cpu=i686
libavutil 55. 76.100 / 55. 76.100
libavcodec 57.106.101 / 57.106.101
libavformat 57. 82.101 / 57. 82.101
libavdevice 57. 8.101 / 57. 8.101
libavfilter 6.105.100 / 6.105.100
libswscale 4. 7.103 / 4. 7.103
libswresample 2. 8.100 / 2. 8.100
libpostproc 54. 6.100 / 54. 6.100
Input #0, mpegts, from 'pipe:':
Duration: N/A, start: 1.432033, bitrate: N/A
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p(progressive), 2560x1440, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 212 kb/s
[tcp @ 05454fa0] TCP Buffer has been set to 32980992 bytes
Output #0, flv, to 'rtmp://a.rtmp.youtube.com/live2/
Metadata:
encoder : Lavf57.82.101
Stream #0:0: Video: h264 (Main) ([7][0][0][0] / 0x0007), yuv420p(progressive), 2560x1440, q=2-31, 59.94 fps, 59.94 tbr, 1k tbn, 90k tbc
Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 48000 Hz, stereo, fltp, 212 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:1 -> #0:1 (copy)
frame= 247 fps=0.0 q=-1.0 size= 6851kB time=00:00:04.09 bitrate=13702.2kbits/s speed=8.18x
frame= 278 fps=272 q=-1.0 size= 7457kB time=00:00:04.59 bitrate=13308.5kbits/s speed= 4.5x
frame= 310 fps=198 q=-1.0 size= 8247kB time=00:00:05.12 bitrate=13185.5kbits/s speed=3.28x
frame= 342 fps=165 q=-1.0 size= 9017kB time=00:00:05.65 bitrate=13056.0kbits/s speed=2.73x
frame= 371 fps=144 q=-1.0 size= 10137kB time=00:00:06.14 bitrate=13520.8kbits/s speed=2.38x
frame= 401 fps=129 q=-1.0 size= 10780kB time=00:00:06.64 bitrate=13295.9kbits/s speed=2.14x
frame= 434 fps=120 q=-1.0 size= 11574kB time=00:00:07.19 bitrate=13181.1kbits/s speed=1.98x
frame= 462 fps=111 q=-1.0 size= 12408kB time=00:00:07.66 bitrate=13269.3kbits/s speed=1.84x
frame= 500 fps=107 q=-1.0 size= 13702kB time=00:00:08.29 bitrate=13533.9kbits/s speed=1.77x
frame= 530 fps=101 q=-1.0 size= 14280kB time=00:00:08.79 bitrate=13302.0kbits/s speed=1.68x
frame= 562 fps= 98 q=-1.0 size= 15092kB time=00:00:09.32 bitrate=13254.1kbits/s speed=1.62x
frame= 594 fps= 94 q=-1.0 size= 15907kB time=00:00:09.86 bitrate=13213.5kbits/s speed=1.57x
frame= 626 fps= 92 q=-1.0 size= 16974kB time=00:00:10.39 bitrate=13375.3kbits/s speed=1.53x
frame= 658 fps= 89 q=-1.0 size= 17714kB time=00:00:10.93 bitrate=13276.5kbits/s speed=1.48x
frame= 690 fps= 88 q=-1.0 size= 18512kB time=00:00:11.46 bitrate=13228.7kbits/s speed=1.46x
frame= 717 fps= 86 q=-1.0 size= 19351kB time=00:00:11.91 bitrate=13305.4kbits/s speed=1.42x
frame= 754 fps= 85 q=-1.0 size= 20426kB time=00:00:12.53 bitrate=13353.3kbits/s speed= 1.4x
frame= 786 fps= 83 q=-1.0 size= 21202kB time=00:00:13.06 bitrate=13294.0kbits/s speed=1.38x
frame= 812 fps= 81 q=-1.0 size= 21898kB time=00:00:13.49 bitrate=13289.3kbits/s speed=1.35x
frame= 844 fps= 80 q=-1.0 size= 23207kB time=00:00:14.03 bitrate=13547.3kbits/s speed=1.34x
frame= 878 fps= 80 q=-1.0 size= 23915kB time=00:00:14.60 bitrate=13418.4kbits/s speed=1.33x
frame= 910 fps= 79 q=-1.0 size= 24715kB time=00:00:15.13 bitrate=13378.1kbits/s speed=1.31x
frame= 942 fps= 78 q=-1.0 size= 25515kB time=00:00:15.66 bitrate=13340.4kbits/s speed=1.29x
frame= 974 fps= 77 q=-1.0 size= 26573kB time=00:00:16.20 bitrate=13435.9kbits/s speed=1.28x
frame= 1005 fps= 76 q=-1.0 size= 27299kB time=00:00:16.71 bitrate=13376.1kbits/s speed=1.27x
frame= 1037 fps= 76 q=-1.0 size= 28239kB time=00:00:17.25 bitrate=13408.4kbits/s speed=1.26x
frame= 1069 fps= 75 q=-1.0 size= 29134kB time=00:00:17.78 bitrate=13418.0kbits/s speed=1.25x
frame= 1101 fps= 75 q=-1.0 size= 30228kB time=00:00:18.32 bitrate=13516.1kbits/s speed=1.24x
frame= 1133 fps= 74 q=-1.0 size= 31010kB time=00:00:18.85 bitrate=13473.6kbits/s speed=1.23x
frame= 1165 fps= 74 q=-1.0 size= 31824kB time=00:00:19.38 bitrate=13446.5kbits/s speed=1.22x
frame= 1197 fps= 73 q=-1.0 size= 32642kB time=00:00:19.92 bitrate=13422.3kbits/s speed=1.22x
frame= 1229 fps= 73 q=-1.0 size= 33626kB time=00:00:20.45 bitrate=13466.1kbits/s speed=1.21x
frame= 1261 fps= 72 q=-1.0 size= 34356kB time=00:00:20.99 bitrate=13408.4kbits/s speed= 1.2x
frame= 1294 fps= 72 q=-1.0 size= 35198kB time=00:00:21.54 bitrate=13386.2kbits/s speed= 1.2x
frame= 1326 fps= 72 q=-1.0 size= 36281kB time=00:00:22.07 bitrate=13464.5kbits/s speed=1.19x
frame= 1358 fps= 71 q=-1.0 size= 37094kB time=00:00:22.60 bitrate=13440.9kbits/s speed=1.19x
frame= 1388 fps= 71 q=-1.0 size= 37759kB time=00:00:23.10 bitrate=13385.4kbits/s speed=1.18x
frame= 1420 fps= 71 q=-1.0 size= 38544kB time=00:00:23.64 bitrate=13355.0kbits/s speed=1.18x
frame= 1452 fps= 70 q=-1.0 size= 39550kB time=00:00:24.17 bitrate=13401.4kbits/s speed=1.17x
frame= 1486 fps= 70 q=-1.0 size= 40314kB time=00:00:24.74 bitrate=13346.9kbits/s speed=1.17x
frame= 1516 fps= 70 q=-1.0 size= 40975kB time=00:00:25.24 bitrate=13296.9kbits/s speed=1.16x
frame= 1546 fps= 70 q=-1.0 size= 41704kB time=00:00:25.74 bitrate=13270.0kbits/s speed=1.16x
frame= 1578 fps= 69 q=-1.0 size= 42768kB time=00:00:26.27 bitrate=13332.2kbits/s speed=1.16x
frame= 1610 fps= 69 q=-1.0 size= 43510kB time=00:00:26.81 bitrate=13293.9kbits/s speed=1.15x
frame= 1642 fps= 69 q=-1.0 size= 44291kB time=00:00:27.34 bitrate=13268.2kbits/s speed=1.15x
frame= 1674 fps= 69 q=-1.0 size= 45008kB time=00:00:27.88 bitrate=13224.6kbits/s speed=1.15x
frame= 1706 fps= 69 q=-1.0 size= 46060kB time=00:00:28.41 bitrate=13279.5kbits/s speed=1.15x
frame= 1738 fps= 69 q=-1.0 size= 46818kB time=00:00:28.94 bitrate=13249.1kbits/s speed=1.14x
frame= 1767 fps= 68 q=-1.0 size= 47721kB time=00:00:29.43 bitrate=13282.5kbits/s speed=1.14x
frame= 1799 fps= 68 q=-1.0 size= 48525kB time=00:00:29.96 bitrate=13265.5kbits/s speed=1.14x
frame= 1829 fps= 68 q=-1.0 size= 49483kB time=00:00:30.46 bitrate=13305.4kbits/s speed=1.13x
frame= 1862 fps= 68 q=-1.0 size= 50274kB time=00:00:31.01 bitrate=13278.1kbits/s speed=1.13x
frame= 1894 fps= 68 q=-1.0 size= 51072kB time=00:00:31.55 bitrate=13260.8kbits/s speed=1.13x
frame= 1926 fps= 67 q=-1.0 size= 52259kB time=00:00:32.08 bitrate=13343.3kbits/s speed=1.12x
frame= 1958 fps= 67 q=-1.0 size= 52987kB time=00:00:32.61 bitrate=13307.6kbits/s speed=1.12x
frame= 1990 fps= 67 q=-1.0 size= 53849kB time=00:00:33.15 bitrate=13306.3kbits/s speed=1.12x
frame= 2022 fps= 67 q=-1.0 size= 54818kB time=00:00:33.68 bitrate=13330.9kbits/s speed=1.12x
frame= 2054 fps= 67 q=-1.0 size= 55975kB time=00:00:34.22 bitrate=13400.1kbits/s speed=1.12x
frame= 2085 fps= 67 q=-1.0 size= 56736kB time=00:00:34.73 bitrate=13380.1kbits/s speed=1.11x
frame= 2118 fps= 67 q=-1.0 size= 57582kB time=00:00:35.28 bitrate=13367.4kbits/s speed=1.11x
frame= 2154 fps= 67 q=-1.0 size= 58678kB time=00:00:35.88 bitrate=13394.1kbits/s speed=1.11x
frame= 2186 fps= 67 q=-1.0 size= 59649kB time=00:00:36.42 bitrate=13416.2kbits/s speed=1.11x
frame= 2218 fps= 66 q=-1.0 size= 60410kB time=00:00:36.95 bitrate=13391.0kbits/s speed=1.11x
frame= 2246 fps= 66 q=-1.0 size= 61050kB time=00:00:37.42 bitrate=13364.0kbits/s speed= 1.1x
frame= 2280 fps= 66 q=-1.0 size= 61905kB time=00:00:37.99 bitrate=13348.8kbits/s speed= 1.1x
frame= 2310 fps= 66 q=-1.0 size= 62808kB time=00:00:38.49 bitrate=13367.5kbits/s speed= 1.1x
frame= 2342 fps= 66 q=-1.0 size= 63606kB time=00:00:39.02 bitrate=13352.0kbits/s speed= 1.1x
frame= 2374 fps= 66 q=-1.0 size= 64432kB time=00:00:39.55 bitrate=13343.0kbits/s speed= 1.1x
frame= 2406 fps= 66 q=-1.0 size= 65484kB time=00:00:40.09 bitrate=13380.4kbits/s speed= 1.1x
frame= 2438 fps= 66 q=-1.0 size= 66219kB time=00:00:40.62 bitrate=13352.7kbits/s speed= 1.1x
frame= 2470 fps= 66 q=-1.0 size= 67034kB time=00:00:41.16 bitrate=13341.6kbits/s speed=1.09x
frame= 2509 fps= 66 q=-1.0 size= 68148kB time=00:00:41.81 bitrate=13352.3kbits/s speed=1.09x
frame= 2534 fps= 65 q=-1.0 size= 69134kB time=00:00:42.22 bitrate=13411.6kbits/s speed=1.09x
frame= 2567 fps= 65 q=-1.0 size= 70043kB time=00:00:42.77 bitrate=13413.3kbits/s speed=1.09x
frame= 2599 fps= 65 q=-1.0 size= 70752kB time=00:00:43.31 bitrate=13382.0kbits/s speed=1.09x
frame= 2631 fps= 65 q=-1.0 size= 71560kB time=00:00:43.84 bitrate=13369.9kbits/s speed=1.09x
frame= 2663 fps= 65 q=-1.0 size= 72648kB time=00:00:44.38 bitrate=13410.0kbits/s speed=1.09x
frame= 2694 fps= 65 q=-1.0 size= 73390kB time=00:00:44.89 bitrate=13390.9kbits/s speed=1.09x
frame= 2726 fps= 65 q=-1.0 size= 74170kB time=00:00:45.43 bitrate=13374.2kbits/s speed=1.08x
frame= 2752 fps= 65 q=-1.0 size= 74854kB time=00:00:45.86 bitrate=13369.8kbits/s speed=1.08x
frame= 2790 fps= 65 q=-1.0 size= 75948kB time=00:00:46.49 bitrate=13380.3kbits/s speed=1.08x
frame= 2825 fps= 65 q=-1.0 size= 76924kB time=00:00:47.08 bitrate=13384.0kbits/s speed=1.08x
frame= 2854 fps= 65 q=-1.0 size= 77464kB time=00:00:47.56 bitrate=13341.1kbits/s speed=1.08x
frame= 2886 fps= 65 q=-1.0 size= 78441kB time=00:00:48.10 bitrate=13359.4kbits/s speed=1.08x
frame= 2917 fps= 65 q=-1.0 size= 79276kB time=00:00:48.61 bitrate=13358.1kbits/s speed=1.08x
frame= 2949 fps= 65 q=-1.0 size= 80057kB time=00:00:49.15 bitrate=13343.1kbits/s speed=1.08x
frame= 2976 fps= 65 q=-1.0 size= 80818kB time=00:00:49.60 bitrate=13347.4kbits/s speed=1.08x
frame= 3010 fps= 65 q=-1.0 size= 81858kB time=00:00:50.16 bitrate=13366.4kbits/s speed=1.08x
frame= 3043 fps= 65 q=-1.0 size= 82753kB time=00:00:50.72 bitrate=13365.7kbits/s speed=1.08x
frame= 3070 fps= 64 q=-1.0 size= 83391kB time=00:00:51.17 bitrate=13350.4kbits/s speed=1.07x
frame= 3104 fps= 64 q=-1.0 size= 84117kB time=00:00:51.73 bitrate=13319.0kbits/s speed=1.07x
frame= 3134 fps= 64 q=-1.0 size= 84959kB time=00:00:52.23 bitrate=13323.3kbits/s speed=1.07x
frame= 3168 fps= 64 q=-1.0 size= 85612kB time=00:00:52.80 bitrate=13281.6kbits/s speed=1.07x
frame= 3200 fps= 64 q=-1.0 size= 86375kB time=00:00:53.33 bitrate=13265.7kbits/s speed=1.07x
frame= 3237 fps= 64 q=-1.0 size= 87265kB time=00:00:53.95 bitrate=13249.2kbits/s speed=1.07x
frame= 3266 fps= 64 q=-1.0 size= 88380kB time=00:00:54.44 bitrate=13299.2kbits/s speed=1.07x
frame= 3296 fps= 64 q=-1.0 size= 89204kB time=00:00:54.94 bitrate=13301.1kbits/s speed=1.07x
frame= 3328 fps= 64 q=-1.0 size= 90152kB time=00:00:55.47 bitrate=13312.9kbits/s speed=1.07x
frame= 3364 fps= 64 q=-1.0 size= 91232kB time=00:00:56.07 bitrate=13328.1kbits/s speed=1.07x
[flv @ 0223a700] Failed to update header with correct duration.
[flv @ 0223a700] Failed to update header with correct filesize.
frame= 3388 fps= 64 q=-1.0 Lsize= 92372kB time=00:00:56.47 bitrate=13399.0kbits/s speed=1.07x
video:90934kB audio:1327kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.119844%