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updated emacs, ffmpeg. branched org-mode. added slack.

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This commit is contained in:
Klaatu
2016-09-01 12:10:21 +12:00
parent eff042d50b
commit 0a54b2a2ff
8 changed files with 139 additions and 27 deletions
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10
cheat/cheatsheets/ffmpeg
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@ -2,7 +2,14 @@
ffmpeg -i path/to/file.ext
# Convert all m4a files to mp3
for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -ab 320k "${f%.m4a}.mp3"; done
for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -vn -b:a 320k "${f%.m4a}.mp3"; done
# Convert video
# -g : GOP, for searchability
ffmpeg -i input.ext -vcodec vp9 -acodec libopus -b:v 21000k -b:a 320k -g 150 -threads 4 output.ext
# Convert image sequence to video
ffmpeg -r 18 -pattern_type glob -i '*.png' -b:v 21000k -s hd1080 -vcodec vp9 -an -pix_fmt yuv420p -deinterlace output.ext
# Listen to 10 seconds of audio from a video file
#
@ -10,3 +17,4 @@ for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -ab 320k "${f%.m4a}.mp3"; d
# -t : seconds to cut
# -autoexit : closes ffplay as soon as the audio finishes
ffmpeg -ss 00:34:24.85 -t 10 -i path/to/file.mp4 -f mp3 pipe:play | ffplay -i pipe:play -autoexit