ffmpeg -i ghosts_s03.y4m -c:v libvpx-vp9 -b:v 1500k -speed 2 -tile-columns 2 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -g 120 -threads 4 -crf 30 -row-mt 1 -pix_fmt yuv420p -f webm ghosts_s03.webm
| Codec | Bitrate @ VMAF 93 | Encoding time (relative) | |-------|-------------------|---------------------------| | libvpx VP9 | 1600 kbps | 1.0x (baseline) | | x265 (slow) | 1350 kbps | 1.7x slower | | AV1 (libaom) | 1150 kbps | 8x slower | | h264 (x264) | 2400 kbps | 0.4x | ghosts s03 libvpx
For :
In the world of digital piracy, release groups often leave a technical fingerprint in the filename of a video. A file named something like Ghosts.S03.WEB-DL.1080p.WebM-libvpx indicates that the video was ripped from a web source and encoded using the libvpx library. Users often search for these specific strings to find versions of the show that are optimized for specific players or bandwidth constraints. ffmpeg -i ghosts_s03