335.4M views · Jun 13, 2018 · 5:14 · 0 HN recommenders · 4 mentions · discussed 2019–2023
A five-minute 4K 60fps HDR travel montage of Costa Rica by the Mystery Box video team. It is a remastered version of their popular scenic footage.
Why Hacker News points people here: Used as a convenient high-resolution, high-framerate test clip for video decoders, YouTube format handling and power benchmarks.
“since then they also did a 4k one if you wanna test it”
4K AV1 test video for checking decoder performance
it was probably encoded at a time when they didn't do 4k av1 tests but only 1080p, but since then they also did a 4k one if you wanna test it this video
“Check this for example, you should only have the choice between 60 FPS options.”
Example of a 60 FPS-only video on YouTube
Videos that are submitted in 60 FPS are only available in 60 FPS. It's getting more common as the cameras as getting cheaper. Check this for example, you should only have the choice between 60 FPS options. this video Videos that were submitted in 30 FPS remain as they were. It doesn't make sense to create new frames out of nothing indeed.
Example showing available formats including 4K 30fps via youtube-dl
30fps versions are still there on the server, its the default player hiding them from you. There is even 4K 30fps file available 313. D:\_learning>youtube-dl.exe -F this video [youtube] this video Downloading webpage [info] Available formats for this video format code extension resolution note 249 webm audio only tiny 57k , opus @ 50k (48000Hz), 1.89MiB 250 webm audio only tiny 75k , opus @ 70k (48000Hz), 2.53MiB 140 m4a audio only tiny 130k , m4a_dash container, mp4a.40.2@128k (44100Hz), 4.84MiB 251 webm audio only tiny 148k , opus @160k (48000Hz), 4.96MiB 394 mp4 256x144 144p HDR 88k , av01.0.00M.10.0.110.09.16.09.0, 30fps, video only, 2.34MiB 278 webm 256x144 144p 97k , webm container, vp9, 30fps, video only, 3.38MiB 160 mp4 256x144 144p 111k , avc1.4d400c, 30fps, video only, 2.87MiB 395 mp4 426x240 240p HDR 191k , av01.0.00M.10.0.110.09.16.09.0, 30fps, video only, 4.33MiB 242 webm 426x240 240p 233k , vp9, 30fps, video only, 6.89MiB 330 webm 256x144 144p60 HDR 243k , vp9.2, 60fps, video only, 7.96MiB 133 mp4 426x240 240p 245k , avc1.4d4015, 30fps, video only, 5.86MiB 396 mp4 640x360 360p HDR 403k , av01.0.01M.10.0.110.09.16.09.0, 30fps, video only, 8.67MiB 243 webm 640x360 360p 435k , vp9, 30fps, video only, 12.85MiB 331 webm 426x240 240p60 HDR 504k , vp9.2, 60fps, video only, 16.65MiB 134 mp4 640x360 360p 633k , avc1.4d401e, 30fps, video only, 15.49MiB 397 mp4 854x480 480p HDR 735k , av01.0.04M.10.0.110.09.16.09.0, 30fps, video only, 15.80MiB 244 webm 854x480 480p 857k , vp9, 30fp
“The test video was - which is 4k 60 FPS and got scaled to 1920x1080 for display.”
4K 60 FPS test video used for power benchmarking
I just did some quick testing on my XPS 7390 2-in-1 (i7 1065G7) with Wayland: * Idle @ 50% brightness, WiFI on: 3.5W * mpv + hardware acceleration: 15W * Firefox + hardware acceleration: 19W * Firefox software decoding: 29W The test video was this video - which is 4k 60 FPS and got scaled to 1920x1080 for display.
