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Pedro Ivan Lopez lopezpdvn

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View mogrify-recursive.py
#!/usr/bin/env python3
# coding=utf-8
import sys
from os import walk
from os.path import join
from subprocess import Popen
ROOTFP = sys.argv[1]
PERCENTAGE = sys.argv[2]
@lopezpdvn
lopezpdvn / exiftool_metadata_write.sh
Created Jul 29, 2016
Exiftool metadata write script
View exiftool_metadata_write.sh
src=src_img.png
dst=dst_img.png
imgdate="2016-02-04T15:03:34-05"
cp -av $src $dst
exiftool -u -a -All= $dst
exiftool -use MWG \
-Copyright="Image by Pedro Ivan Lopez. All rights to the respective authors." \
@lopezpdvn
lopezpdvn / ffmpeg_trim_cut_video2video.py
Created Jul 10, 2016
ffmpeg trim/cut video to video
View ffmpeg_trim_cut_video2video.py
from datetime import timedelta
from subprocess import Popen
'''ffmpeg_trim_cut_video2video.py
Edit section *User data*, and uncomment one of the commands `cmd`
'''
# User data
tstart = timedelta(minutes=18, seconds=20, milliseconds=0)
View linux_pulseaudio_x264_lossless_vorbis.sh
#!/bin/sh -
# Example values
pulseaudio_source=0
thread_queue_size=32
video_size=1920x1080
framerate=30
record_area=$DISPLAY+0,0
naudio_channels=2
outfile=capture.mkv
@lopezpdvn
lopezpdvn / compress_raw_video.sh
Created Jul 1, 2016
Compress raw video into Matroska container
View compress_raw_video.sh
date >> log.txt
echo 'Starting job' >> log.txt
sudo systemctl stop fahclient.service
sudo systemctl status --full fahclient.service
for src in *avi ; do
date >> log.txt ;
echo "Starting conversion for $src" >> log.txt ;
dst="$(echo $src | sed -e 's/\.avi$//')".mkv ;
ffmpeg -ac 2 -channel_layout stereo -i "$src" -c:v libx264 -preset slow -crf 17 -pix_fmt yuv422p -c:a pcm_s16le "$dst" ;
View ffmpeg_quodlibet_operon.sh
for src in *flac; do
dst="$(echo $src | sed -e 's/\.flac//' -e 's/ /_/g')".mp3
ffmpeg -i "$src" -ab 320k "$dst"
operon clear -a "$dst"
operon copy "$src" "$dst"
done
View misc_cheatsheet.md

Misc cheatsheet

youtube-dl to download videos and extract audio.

$ youtube-dl -x --audio-format mp3 --audio-quality 320k --embed-thumbnail -a uris.txt

Robocopy

@lopezpdvn
lopezpdvn / set-up-debugging-development-environment-for-android-on-linux.md
Last active May 21, 2016
How to set up a debugging and development environment for Android on Linux
View set-up-debugging-development-environment-for-android-on-linux.md

How to set up a debugging and development environment for Android on Linux

Republished on my blog, keeping this version here for historical reasons.

This post describes how to set up a debugging and development environment for Android based systems on an Ubuntu machine, specially for flashing custom recoveries and ROMs, but not for coding. I'm basically pulling together information from other sources across the web, be sure to check out the References and other external links for more details. You only

@lopezpdvn
lopezpdvn / install-fahclient-linux-systemd-service-unit.md
Last active May 21, 2016
Install Folding@home FAHClient on Linux as a systemd service unit
View install-fahclient-linux-systemd-service-unit.md

Install Folding@home FAHClient on Linux as a systemd service unit

Republished on my website, keeping this version here for historical reasons.

Install FAHClient as documented in the official guide. Stop the traditional init script service that was created and automatically started.

@lopezpdvn
lopezpdvn / fahclient.service
Created Apr 17, 2015
Systemd service unit for FAHClient // Folding@Home Client
View fahclient.service
[Unit]
Description=Folding@Home V7 Client
Documentation=https://folding.stanford.edu/home/the-software/
[Service]
Type=simple
PIDFile=/var/run/fahclient.pid
ExecStart=/usr/local/bin/FAHClient -v start
ExecReload=/usr/local/bin/FAHClient -v restart
ExecStop=/usr/local/bin/FAHClient -v stop
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