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authorSacha Chua <sacha@sachachua.com>2020-12-12 09:32:18 -0500
committerSacha Chua <sacha@sachachua.com>2020-12-12 09:32:18 -0500
commit88cedc543d23f72c8480ef2d6e05feb289655da0 (patch)
tree1b4c1f25c7b1adabc8b71b25cf35ba958e7b81bc /2020/organizers-notebook.org
parent3855bd8f030ea2db95bd418488852c6be29edcb1 (diff)
downloademacsconf-wiki-88cedc543d23f72c8480ef2d6e05feb289655da0.tar.xz
emacsconf-wiki-88cedc543d23f72c8480ef2d6e05feb289655da0.zip
Tweak -g parameter for ffmpeg
Diffstat (limited to '2020/organizers-notebook.org')
-rw-r--r--2020/organizers-notebook.org4
1 files changed, 2 insertions, 2 deletions
diff --git a/2020/organizers-notebook.org b/2020/organizers-notebook.org
index f8b742dc..2197edec 100644
--- a/2020/organizers-notebook.org
+++ b/2020/organizers-notebook.org
@@ -752,8 +752,8 @@ Another collaborative pad
#+begin_src sh :eval no :tangle compress-video.sh
Q=56
- nice ffmpeg -y -i $1 -c:v libvpx-vp9 -b:v 0 -crf $Q -aq-mode 2 -an -tile-columns 0 -tile-rows 0 -frame-parallel 0 -cpu-used 8 -auto-alt-ref 1 -lag-in-frames 25 -g 999 -pass 1 -f webm -threads 8 /dev/null &&
- nice ffmpeg -y -i $1 -c:v libvpx-vp9 -b:v 0 -crf $Q -c:a copy -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 999 -threads 8 $2
+ nice ffmpeg -y -i $1 -c:v libvpx-vp9 -b:v 0 -crf $Q -aq-mode 2 -an -tile-columns 0 -tile-rows 0 -frame-parallel 0 -cpu-used 8 -auto-alt-ref 1 -lag-in-frames 25 -g 240 -pass 1 -f webm -threads 8 /dev/null &&
+ nice ffmpeg -y -i $1 -c:v libvpx-vp9 -b:v 0 -crf $Q -c:a copy -tile-columns 2 -tile-rows 2 -frame-parallel 0 -cpu-used -5 -auto-alt-ref 1 -lag-in-frames 25 -pass 2 -g 240 -threads 8 $2
#+end_src
Here's the original version which compresses audio too. Usage: compress-video-compressed-audio.sh input-filename.webm output-filename.webm