Table of Contents
3D printer
Compiling
FFmpeg
Transcoding
ffmpeg -i input.mkv -vcodec libx264 -acodec libfaac -ab 128k -ac 2 -crf 19 -vpre main -vpre slow -map 0.0 -map 0.1 -sn -vf crop=1920:816:0:132,scale=1280:544 -sws_flags lanczos+mmx+sse2+mmx2 -y -threads 4 output.mkv
cvlc v4l2:///dev/video1 -vvv --sout='#duplicate{dst=display,dst="transcode{vcodec=mp4v,vb=500}:std{access=http,mux=ts,dst=0.0.0.0:4242/test.ts}"}'
cvlc v4l2:///dev/video0 :v4l2-width=320 :v4l2-height=240 -vvv --sout='#transcode{vcodec=mp4v,vb=200}:std{access=http,mux=ts,dst=0.0.0.0:4242/test.ts}'
ffmpeg -i mock.avi -r 35 -pix_fmt yuv420p -vcodec rawvideo -f yuv4mpegpipe - | x264 --demuxer y4m - --crf 18 --output - > mock.h264
Gl/Dri
LIBGL_ALWAYS_INDIRECT=yes
LIBGL_DEBUG=verbose
OVH
Eclipse
in dialog box, arguments are escaped in a strange way:
'{foo=“bar”,a={bar=“foo”}}' → {foo=\”bar\”,a={bar=\”foo\”}}', double quotes are escaped
{foo=“bar”,a={bar=“foo”}} → {foo=“bar” a={bar=“foo”}}, comma is replaced by a space
{foo=“bar”','a={bar=“foo”}} → {foo=“bar”,a={bar=“foo”}}, got what I wanted, but need to enclose , in ' '. weird.
Shell
Electronic
LaTeX
Photography
PHP
Python
C++
Windows
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