diff options
Diffstat (limited to 'localvideowebencode')
| -rwxr-xr-x | localvideowebencode | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/localvideowebencode b/localvideowebencode index 6835515..1966207 100755 --- a/localvideowebencode +++ b/localvideowebencode @@ -157,11 +157,12 @@ stillframe=0 samplestart=0 samplelength=150 compression=normal + # VP8 is rumored to compress ~20% worse than H.264 factor_vp8=120/100 -# VP9 compresses natural video ~27% worse than H.264 (i.e. excluding animation) -# <http://infoscience.epfl.ch/record/200925/files/article-vp9-submited-v2.pdf> -factor_vp9=127/100 +# VP9 compresses ~30% better than H.264 for practical use-cases +# <https://engineering.fb.com/2018/04/10/video-engineering/av1-beats-x264-and-libvpx-vp9-in-practical-use-case/> +factor_vp9=70/100 # Mimic ReplayGain level when loudness is enabled (EBU R128: -23LUFS) # <https://auphonic.com/blog/2013/01/07/loudness-targets-mobile-audio-podcasts-radio-tv/> lufs=-18 @@ -233,10 +234,10 @@ qkey_vp8=crf qkey_vp9=crf qkey_h264=crf q_theora=5 -#q_vp8=10 +q_vp8=33 cpu_vp8=2 -#q_vp9=10 -cpu_vp9=5 +q_vp9=33 +cpu_vp9=2 q_h264=23 preset_h264=medium profile_vp8=0 |