grab music HQ from spotify using vlc jack and pulseaudio


in this article i was just testing jack pulse vlc and spotify together to test how they can be re-indirect audio stream using these tools.

so this is only a test , and illegal stuff it’s on your shoulder. i have tested this for fun.

DEPENDENCIES INSTALLATION

sudo apt-get install pulseaudio-module-jack qjackctl

after that you need to restart pulseaudio

sudo service pulseaudio restart

if you have not service then just do this …

pkill -9 pulseaudio && pulseaudio &

ok now you have what you need to run jack flash pulseaudio together.

RUN JACK SERVER

type

qjackctl

you should see something like this, click to CONNECT TO SEE THE SECOND WINDOW, if there are no connections then do by yourself …

spotifygrabaudiohq

make sure like you can see in this picture that spotify has set to jack sink in the audio , like you can see i use veromix instead of the classical kmixer …

in this test i have tried mp3 codec with 128kbit like bitrate if you want better stuff just try other codecs and bitrate

cd /tmp ; cvlc  pulse://jack_in --sout "#transcode{acodec=m,ab=128,channels=2, samplerate=44100}:duplicate{dst=std{access=file,mux=mp3,dst=nowardev.mp3}}}"

in this example i used flac instead of mp3

cd /tmp ; cvlc  pulse://jack_in --sout "#transcode{acodec=flac,quality=100,channels=2, samplerate=44100}:duplicate{dst=std{access=file,mux=flac,dst=nowardev.flac}}}"

you can even put this function in your $HOME/.bashrc in this way :

jack_grab_a(){
cvlc  pulse://jack_in --sout "#transcode{acodec=m,ab=128,channels=2, samplerate=44100}:duplicate{dst=std{access=file,mux=mp3,dst=nowardev.mp3}}}"
}

jack_grab_av(){
cd /tmp ; cvlc --jack-input-auto-connect screen:// --screen-fps=25 --input-slave pulse://jack_in --sout "#transcode{venc=x264,quality:100,scale=1,fps=30,acodec=mp3,ab=128,channels=2, samplerate=44100}:duplicate{dst=std{access=file,mux=mp4,dst=nowardev.mp4}}}"

}

after that , to load these function in your current session

source $HOME/.bashrc 

so now just type

jack_grab_a and you will get the audio recorded where you prefer and into your quality ….

ffmpeg configure help


this is my script made with awk that helps me to write down the configuration it requires a lots of libraries

./configure --prefix=/usr/local   $(./configure --help|sort -r | awk  '/enable/{ print $1} END{printf "\n"}' | awk  '!/[A-Z]/ && !/avisynth/ && !/shared/ && !/poison/ && !/incompa/ && !/random/ && !/test/ && !/cross-compile/ && !/memalign-hack/ &&!/deck/ && !/libiec/ && !/libaacplus/ && !/libcelt/ && !/libflite/ && !/libilbc/ && !/libnut/ && !/opencv/ && !/shine/ && !/libstagefright/ && !/utvideo/ && !/vidstab/ && !/x265/ && !/libxavs/ && !/opencl/ && !/-rpath/ && !/ftrapv/ && !/hardcoded/ && !/major/ && !/libfdk-aac/ && !/opengl/ && !/enable-pic/ && !/enable-lto/ && !/small/ && !/gray/{print }'|awk -v ORS=" " '{print $1} END {printf "\n"}')

ffmpeg kubuntu 14.04 compile


here it is my own stuff ==>

cd /home/shared/git ; git clone git://source.ffmpeg.org/ffmpeg.git ffmpeg-$(date +"%m-%d-%y");cd  ffmpeg-$(date +"%m-%d-%y") 

then this will configure ffmpeg to be installed in USR/LOCAL SO YOU CAN INSTALL IN YOUR SYSTEM WITHOUT DESTROY YOUR DISTRO but remember you will do this to your own risk

 ./configure --prefix=/usr/local  --enable-gpl --enable-version3 --enable-nonfree --enable-small --enable-gray --enable-avresample --enable-vda --enable-fontconfig --enable-frei0r --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libcaca --enable-libcdio --enable-libdc1394 --enable-libfaac --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libquvi --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-openal --enable-openssl --enable-x11grab  --enable-thumb --enable-extra-warnings --enable-ftrapv 

to extract every enable stuff you can try this

./configure --prefix=/usr/local   $(./configure --help|sort -r | awk  '/enable/{ print $1} END{printf "\n"}' | awk  '!/[A-Z]/ && !/avisynth/ && !/shared/ && !/poison/ && !/incompa/ && !/random/ && !/test/ && !/cross-compile/ && !/memalign-hack/ &&!/deck/ && !/libiec/ && !/libaacplus/ && !/libcelt/ && !/libflite/ && !/libilbc/ && !/libnut/ && !/opencv/ && !/shine/ && !/libstagefright/ && !/utvideo/ && !/vidstab/ && !/x265/ && !/libxavs/ && !/opencl/ && !/-rpath/ && !/ftrapv/ && !/hardcoded/ && !/major/ && !/libfdk-aac/ && !/opengl/ && !/enable-pic/ && !/enable-lto/ && !/small/ && !/gray/{print }'|awk -v ORS=" " '{print $1} END {printf "\n"}')
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