Broadcast/Streaming usando VLC no Ubuntu

Ubuntu 8.04.1(gnome ou kde)

VLC 0.8.6

Configurando Webcam compatível com driver QuickCam:

• apt-get update
  
• apt-get install qc-usb-source qc-usb-utils usbutils

Instalando VLC 0.8.6:

• apt-get install vlc vlc-plugin-* mozilla-plugin-vlc

Upgrade para VLC 0.9.4:

• nano /etc/apt/sources.list

deb http://fr.archive.ubuntu.com/ubuntu jaunty main multiverse

• apt-get update
• apt-get install vlc vlc-nox

Testando (usando terminal, não root):

Transmitindo mmsh - arquivo gravado:

• vlc /usr/local/movies/sample_300kbit.mp4 -I dummy --sout
  '#std{access=mmsh,dst=:8081}' --ttl 2 --loop

Cliente VLC:

• mmsh://IP_SERVIDOR:8081

Transmitindo mmsh - webcam - (delay +-7s):

• vlc -I dummy -v --noaudio --ttl=1 v4l:// :v4l-vdev="/dev/video0" --sout '#transcode{vcodec=mp4v,vb=1024}:std{access=mmsh,dst=:8081}'
  

Cliente VLC:

• mmsh://IP_SERVIDOR:8081

Transmitindo rtp - webcam - (delay +-2s):

• vlc -I dummy -v --noaudio --ttl=1 v4l:// :v4l-vdev="/dev/video0" --sout '#transcode{vcodec=mp4v,vb=1024}:rtp{dst=IP_DESTINO,port=1234}'
  

Cliente VLC (multicast/rtp)

• udp IP_DESTINO 1234
  

Transmitindo rtsp - webcam - (delay +-2s):

• vlc -I dummy -v --noaudio --ttl=1 v4l2:// :v4l-vdev="/dev/video0" --sout '#transcode{vcodec=mp4v,vb=1024}:rtp{sdp=rtsp://:1234/test.sdp}'
  

Cliente VLC:

• rtsp://IP_SERVIDOR:1234/test.sdp
  

VLC Info:

• VLC - VideoLAN
• Streaming Howto (pdf)
• Wiki
• Forum
• Video for Linux (v4l) Resources
  

JVLC Info:

• JVLC - Java Multimedia Library

Referências:

• Streaming Wiki
• VLC for Ubuntu
  
• Configurando WEBCAM no Debian Gnu/Linux

Outros links:

• VLC e DSS
• VLC porta 80
  

Instalando Darwin Streaming Server (DSS) no Ubuntu

K-Ubuntu 8.04.1

DarwinStreamingServer

Usando o Terminal com usuário root:

• addgroup --system qtss
  
• adduser -system -no-create-home -ingroup qtss qtss
  

Descompactar (pasta temporária) o arquivo com os fontes do Darwin Streaming Server 6.0.3:

• tar -xvf DarwinStreamingSrvr6.0.3-Source.tar
  
• cd DarwinStreamingSrvr6.0.3-Source
  

Baixar o patch (Sverker Abrahamsson) na pasta DarwinStreamingSrvr6.0.3-Source:

• apt-get install patch
  
• patch -p1  <   dss-6.0.3.patch
  

Montar o instalador:

• ./buildtarball
  
• cd DarwinStreamingSrvr-Linux
  

Instalar o software (streaming na porta 80):

• ./Install
  

Testando a administração do servidor:

• http://localhost:1220
  

Testando o streaming - VLC:

• rtsp://localhost/sample_300kbit.mp4
  

O DSS não vai iniciar automaticamente quando reiniciar o Linux, para iniciar manualmente use o comando:

• sudo /usr/local/sbin/streamingadminserver.pl 
  

Darwin Info:

• Darwin Streaming Server
• QuickTime Streaming & Broadcasting Administration (pdf)
  
• DSS 2 Help
• Mailing List

Referências:

• Instalação do Darwin Streaming Server
  
• Install Darwin Streaming Server in Ubuntu

Instalando PlayerStage no Ubuntu

Ubuntu 8.04.1 (gnome ou kde)

Player 2.1.1

Stage 3.0.1

Dependências:

Usando o Terminal com usuário root:

• apt-get update
  
• apt-get install python2.5 python2.5-dev
  
• apt-get install libltdl3-dev libtool libltdl3
  
• apt-get install cmake libfltk1.1 libfltk1.1-dev
  
• apt-get install build-essential
  
• apt-get install libboost-*
  
• apt-get install libcv-dev libcv1 gsl-bin libgsl0-dev
  
• apt-get install libraw1394-8 libraw1394-dev
  
• apt-get install libavc1394-0 libavc1394-dev
  
• apt-get install libdc1394-13 libdc1394-13-dev
  
• apt-get install libjpeg62 libjpeg62-dev
  
• apt-get install libplayerc2 libplayerc2-dev
  
• apt-get install libglu1-xorg libglu1-xorg-dev swig
  
• apt-get install libpng12-0-dev libglib2.0-dev
  

Link Python:

• cd /usr/local/lib/python2.5
  
• rmdir ./site-packages
  
• ln -s /usr/lib/python2.5/site-packages
  

Variáveis de ambiente:

• nano /etc/bash.bashrc
  

...

export PATH=/usr/local/bin:$PATH

export CPATH=/usr/local/include:$CPATH

export LIBRARY_PATH=/usr/local/lib:$LIBRARY_PATH

export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH

export PYTHONPATH=/usr/local/lib/python2.5/site-packages:$PYTHONPATH

Instalando o Player:

• tar xvzf player-2.1.1.tar.gz
  
• cd player-2.1.1
  
• ./configure
  

Aqui é importante checar o retorno desse comando:

**************************************

Player will be build on a ...

Support for plugin drivers will be included.

...

Python bindings to libplayerc will be built

libplayerc++ will be built

signaling included

multithreading included

...

Se a resposta tem a forma acima, continuar a instalação, senão, verificar as dependências:

• make
  
• make install
• exit
  

Testando, usando o terminal como root:

• player /usr/local/share/player/config/pioneer.cfg
  

Resultado esperado:

Player v.2.1.1

...

Listening on ports: 6665

Instalando o Stage:

Usando o terminal com root:

• tar xvzf Stage-3.0.1-Source.tar.gz
  
• cd Stage-3.0.1-Source
  
• cmake .
  
• make
  
• make install
  
• exit
  

Testando (usando terminal, não root):

• stage worlds/fasr.world
  

PlayerStage Info:

• The Player/Stage/Gazebo Project
• Player Wiki
• Player Key Concepts
• Player Forum
  

Referências:

• PlayerStage on Fedora 9

Recuperando o Aptitude / Apt-get de uma instalação cancelada

Aptitude / Apt-get

Erro ao tentar usar o aptitude ou apt-get:

...

Writing extended state information... Error!

E: I wasn't able to locate a file for the PACKAGE_NAME package. This might mean you need to manually fix this package. (due to missing arch)

...

Removendo manualmente o pacote (PACKAGE_NAME):

• sudo dpkg --force-remove-reinstreq --remove PACKAGE_NAME
  

Erro "BADSIG":

• apt-get update -o Acquire::http::No-Cache=True
  

Referências:

• Recovering from an interrupted aptitude