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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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Preamble
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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Lbre Media Server ChangeLog
*******************************************************************************
0.01 (8/1/2013) SVN Rev 1:
+ Audio en un proceso independiente. Reproducción de .oggs
+ Nuevos tipos de Alpha Blending. Nuevo canal DMX en la personalidad de video para el tipo de Alpha.
+ Preview de capas y mezcla final en el GUI.
+ Cambios en la GUI para acoger los dos procesos independientes de Pure Data.
+ Muchos más mensajes de error y de estado
+ Añadir comprobación de inicio para no repetir mensajes de error en el arranque.
+ CTIP/MSEx 1.0. Thumbs de videos, video preview.
+ Cambio de nombre de "Pure Media Server" a "Libre Media Server". Primera beta.
+ Cambio de nombre de la clase "MediaServer" a "msex".
+ Mejoras en ola2pd.
*******************************************************************************
Pure Media Server ChangeLog:
* 0.0.5 (20-11-2012)
- Interface en Qt y C++. PD y OLA se ejecutan desde ella.
- Descontinuado el audio.
- Mapeo por capa.
* 0.0.4
- Añadidos efectos
- 8 capas
- Selección de encendido por capa
- Añadido medidor de CPU0
- Cambio de pdp_qt por pix_filmQT (se pierde la reproducción de sonido)
- Se separan los parches de audio y de video
* 0.0.3 (2-7-2012) SVN Rev 114
- Posición en 16 bits
- Control mediante Open Lighting Arquitecture y external ola2pd
- 64 canales reservados por capa
- Añadida carpeta resources para archivos de configuración de otros programas (QLC, MagicQ) que controlan PMS
- Correción de keystone/videomapping por capar
- Reproducción de audio
- Actualización del método de instalación en instalación.txt (todavía falta más trabajo en él).
- Cambiados valores de locate para hacerlos más sensibles
- 4 capas
* 0.02 (9-6-2011) SVN Rev 58
- Direccionamiento de las capas (issue 14).
- Metodos de creacion y destruccion de nodo ArtNet. Configuracion del nodo por patch dmx.pd (issue 15).
- imágenes (issue 5).
- Metodos de reproduccion auto (issue 8). pix_film_player.pd
- Nuevo subpatch de control manual
- Añadidos canales DMX de tamaños por ejes (XYZ), rotacion y posicion (issue 9)
- Textos - Nuevo archivo Gem compilado con soporte de fuentes (issue 4)
* 0.01 (16-05-2011)
- Primera versión liberada!
- 2 capas de video con control de reproducción avanzado mediante pix_film_player.
- Control de Alpha y Color RGB
- Control por ArtNet mediante Artnetin, sólo en el universo 0, subnet 0.

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
0. Requerimientos
LMS está desarrollado y probado en Debian Wheezy y Ubuntu Precise 12.04.
Necesitas una tarjeta gráfica OpenGL y que los drivers para Xorg con aceleración por hardware estén correctamente instalados. Ejecutando "glxgears" en una terminal debería de abrir una ventana con tres engranajes girando. Si no es así, revisa la documentación de tu distribución.
Para resolver dependencias es necesario tener conexión a internet en el ordenador durante el proceso de instalación.
PMS se comunicaa con Pure Data mediante puertos TCP, del 9195 al 9198. Open Lighting Arqitecure utiliza el puerto 9090 para su servidor web. Es necesario que estos puertos no estén siendo utilizados por otras aplicaciones.
1. Instala todas las dependencias.
Abre una terminal, cd al directorio scripts. Ejecuta como root
./install_wheezy.sh
o
./install_precise.sh
dependiendo de la distribución en que estés. Confirma Sí cuando te pregunte confirmación para descargas archivos y asegúrate de estar conectado a internet. Luego pincha en No cuando te pregunte si quieres arrancar el demonio OLA en el inicio.
2. Configuración
Este proceso sólo es necesario la primera vez que se ejecuta LMS.
a. Ejecuta el archivo libremediaserver.
b. Abre un navegador web y dirígete a localhost:9090.
c. Pincha en el botón "add universe"
d. Marca en la casilla del protocolo de red o dispositivo por el que quieras introducir datos. Asegúrate de que en "Direction" sea "input".
Si el protocolo elegido es ArtNet en "Universe Id" introduce el número del universo ArtNet por el que quieres recibir. La Net y la Subnet de Artnet se pueden cambiar en el archivo ~/.ola/ola-artnet.conf, por defecto es la Net 0 y la SubNet 0. Este número lo tienes que introducir luego en LMS en el campo "OLA universe". En Universe Name puedes introducir un nombre familiar, por ejemplo "video".
Puedes confirmar que está llegando información pinchando en el universo en el menú de la izquierda y luego en la pestaña "DMX Monitor". Puedes cerrar el navegador.
Edita con un editor de textos el archivo "make_thumbs.sh" en el directorio scripts y cámbia en la primera línea el path a tu directorio de medias. Guarda y cierra.
Ejecuta el archivo make_thumbs.sh desde una terminal.
En LibreMediaServer, pincha en "Change Media Path" y elige el directorio donde estén tus medias. Configura las direcciones DMX de cada capa según el patch de la mesa.
Puedes grabar la configuración ahora o esperar a que termine el programa. El programa al salir siempre guarda la configuración, y la abre automáticamente cuando se inicia.
4. Compiling.
If you have troubles, or you are in another distro, you can try compiling from the source code. It's not the easiest way...
# To compile and install flext
wget http://crca.ucsd.edu/~msp/Software/pd-0.43-2.src.tar.gz
tar -xf pd-0.43-2.src.tar.gz
sudo apt-get install subversion
svn co https://svn.grrrr.org/ext/trunk/flext flext
cd flext
./build.sh pd gcc
Edit the paths in file ./buildsys/cnfg-lnx-gcc.txt
./build sh pd gcc
sudo ./build.sh pd gcc install
cd ..
# Add enviroment path variables to .bashrc
echo "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib" >> ~/.bashrc
echo "export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/local/include" >> ~/.bashrc
echo "export C_INCLUDE_PATH=$C_INCLUDE_PATH:/usr/local/include" >> ~/.bashrc
# Build and install ola2pd
cd externals/ola2pd/
/path/to/flext/build.sh pd gcc
/path/to/flext/build.sh pd gcc install
# Build and install Libre Media Server
svn checkout http://puremediaserver.googlecode.com/svn/trunk/ puremediaserver-read-only
Open the file libremediaserver.pro with QtCreator and compile it.

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Sorry, only in spanish at the moment: instalacion.txt

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
LibreMediaServer es un programa para manejar visuales y audio en actuaciones escénicas, instalaciones, eventos, performances,..., basado en Software Libre.
El control de LMS se realiza mediante el Open Lighting Arquitecture, por lo que podemos usar cualquier protocolo de iluminación abierto (ArtNet, PathPort,
ShowNet, ACN,...) o dispositivo DMX-USB (Enttec Pro, Velleman, Anyuma,...).
El motor gráfico y de audio es Pure Data con Gem.
LibreMediaServer funciona en GNU/Linux. Está testeado en Debian Wheezy y Ubuntu Precise 12.04, y debería funcionar en más distribuciones basadas
en Debian.
*******************************************************************************
Características:
- 8 capas de video, imágenes o texto.
- 8 capas de audio.
- Playback avanzado.
- Cada capa puede ser mapeada mediante 4 puntos de Bèzier.
- Un montón de formatos de video: avi, mov, mpg, mp4, ogg.
- Reproducción de audio en formato ogg.
- Reproducción de imágenes en formato jpeg, tiff.
- Efectos de Video.
- Control de posición (en 16 bits), rotación en los 3 ejes, tamaño, y color por capa.
- Máscaras Croma/Luma, pasa-altos y/o pasabajos en RGB.
- Reproducción de textos a través de un fichero de texto, hasta 255 frases con
hasta 255 fuentes distintas TrueType.
*******************************************************************************
Para instalar LMS vea instalacion.txt
Para usar LMS vea manual.txt
*******************************************************************************

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******************************
Pure Media Server 0.0.6
(c) Santiago Noreña 2012-2013
puremediaserver at gmail dot com
******************************
Lee instalacion.txt para el proceso de instalación.
******************************
Pure Media server es un programa para gestionar visuales en artes escénicas, eventos, performances, instalaciones,...
Se controla mediante el Open Lighting Arquitecture que soporta una gran variedad de protocolos y dispositivos estandard de iluminación: Artnet, ShowNet, PathPort, ACN, Enttec Open DMX Pro,... De momento la única opción de control es mediante el OLA.
Puedes controlarlo gratis con el MagicQ de ChamSys si no dispones de ninguna mesa o programa de iluminación. No es software libre, pero al menos es gratis. En la carpeta "MagicQ" hay un archivo de show y el archivo de personalidad.
El motor gráfico y de audio es Pure Data, que se ejecuta en background invisible al usuario. Ahora mismo podemos reproducir 255 carpetas con 255 videos cada una en cualquier formato en que esté el codec instalado en el sistema. Si lo puede leer en el reproductor de medios de gnome podrá reproducirlo PMS. También podemos reproducir fotos y textos. El reproductor de medios podemos variar la velocidad, ejecutarlo en distintas direcciones (hacia delante, hacia atrás, ping-pong), y en bucle o en un sólo disparo.
PMS tiene 8 capas de video o texto, cada dispone de una correción Bezier de 4 puntos, por lo que podemos mapear diferentes superficies, o lados de objetos. También podemos corregir el keystone mediante estos ajustes. Por supuesto, hay ajustes de color, posición, tamaño y rotación por cada capa.
Las mezclas entre capas se realizan mediante 6 canales: 3 canales son pasa altos RGB y otros 3 Pasabajos RGB, con lo que se puden hacer lumas y cromas. El orden de las capas se controla mediante el canal de posición Z: cuanto más grande sea más al fondo se encuentra. El dimmer también controla la opacidad, por lo que una capa al 100% bloqueará a las inferiores.
También podemos manejar 8 capas de audio, cada una reproduciendo un archivo .ogg. El control de volumen es en 16 bits de precisión y logarítmico, en equipos pequeños o auriculares no se oirá nada hasta el 50 0 60%.
El interface gráfico es muy simple, sólo sirve para manejar la configuración de Pure Data y sirve para ver el archivo que cada capa está reproduciendo. Tenemos dos pestañas: Una para la configuración de Video y otra para la de Audio, que se dberá patchear en la mesa independientemente. Como los controles son parecidos para las dos ventanas, las explicamos juntas. Empezando de arriba hacia abajo:
A. Caja de textos. Se muestran mensajes de estado y de error.
B. 8 Capas. Representan las 8 capas de video.
B.1 Botón de activado de la capa. Si no está en on la capa no está activada y no renderiza, se quedará en la pantalla el último frame renderizado; desactivando no va a negro.
B.2 Dirección DMX. Hay que introducir el primer canal DMX de la capa, la misma a la que se patcheó en la mesa.
B.3 Etiqueta de media. Se muestra el archivo que está siendo reproducido en la capa.
C. Change Media Path. Cambia el path al árbol de directorios de los media. Este control es común para el video y el audio, sólo hace falta introducirlo una vez, aunque se muestr en las dos pestañas.
D. Video/Audio. Inicia o detiene los procesos de video y de audio. Abre o cierra la conexión con OLA.
F. ReadDMX. Empieza o termina la lectura de datos DMX
H. OLA Universe. El universo de Open Lighting Arquitecture que hemos configurado como entrada y al que el proceso escuchará. Ver instalacion.txt
G. Window. Crea y destruye la ventana de reproducción.
I. Window Position. Posición de la ventana de renderizado en pixeles x,y.
J. Window Size. Tamaño de la ventana de renderizado en pixeles x, y.
K. IP Adress. Dirección IP de la inerface que queremos usar. Dejar en 0.0.0.0 para todas las interfaces.
E. Init CITP/MSEx. Inicia el peer CITP y manda los thumbs si alguna mesa lo solicita.
El CITP/MSEx no funciona en el interface localhost. Sin embargo la recepción de datos ArtNet sí. Necesita tener un interface de red activo en el momento de lanzar el programa, pero después se puede desconectar. Se puede usar en el mismo ordenador PMS y MagicQLinux para controlarlo.
Generación de thumbs:
Es necesario generar lo thumbnails de tus medias para poder transmitirlos por CITP/MSEx. Lo puedes hacer mediante el fichero make_thumbs.sh en la carpeta scripts. Primero ábrelo con un editor de texto y edita el path a tus medias. Guarda, cierra, y ejecuta el archivo. Debería de crear una subcarpeta llamada thumbs por cada carpeta de medias, y en ella el thumbnail con el primer fotograma de cada archivo, con el mismo nombre, pero acabado en jpeg. En siguientes versiones intentaré integrar esto cuando se pulse el botón "Init CITP/MSEx"
La ventana de renderizado se muestra sobre todas las demás ventanas y sin que aparezca el cursor en ella. Si tenemos problemas en la configuración, por ejemplo nos quedamos sin ver el escritorio, siempre podemos llevar el cursor a la ventana de renderizado y presionar Escape para cerrarla. La posición de la ventana se configura con los controles "Window Position" y el tamaño de la ventana con "Window Size", los dos primero la x y después la y. Para hacer algo útil deberemos tener el escritorio extendido a un segundo monitor y configurar en estos controles los valores de ese monitor. Para aplicar cambios hay que cerrar la ventana y reabrirla.
******************************
Estructura de medias:
Los archivos de medios que utiliza PMS deben de estar ordenados en un árbol de ficheros. La dirección superior del árbol es la que se tiene que itnroducir en el archivo scripts/make_thumbs.sh y configurar en PMS mediante el botón "Change media Path".
El árbol de ficheros tiene el siguiente esquema:
+ media
+ video
+ 000-descripcion
- 000-miloop.mov
- 001-milooocool.avi
- 002-mipelo.mpg
...
- 255-ultimo.avi
+ 001-otrodir
- 000-otrapeli.mov
- 001-maspelis.mov
...
- 255.ultimodelasegundacarpeta.mov
+ 002-fuego
- 000-Boladefuego.avi
- 001-Murodefuego.avi
...
- 255-fuentedefuego.avi
...
+ 255-ultimodir
+255.ultimapeli.mov
+ audio
+ 000-mifichero.ogg
...
+ 255-miultimofichero.ogg
+ fonts
- 000-mifuente.ttf
...
- 255-miultimafuente.ttf
+ images
- 000-miprimerafoto.jpg
...
- 255-miultimafoto.jpg
Los números al principio de ficheros y directorios no son obligatorios, pero ayudan mucho a organizar el material. PMS busca por orden alfabético en los directorios/ficheros, y ese orden es el que hay que los valores de los canales Folder y File para reproducirlos.
******************************
Textos:
Puedes definir hasta 255 frases editando con un editor ASCII el fichero text.txt. El formato es:
1, Esto es una frase;
2, El número es el valor del canal 6 de la capa folder;
3, no se pueden usar comas;
4, las frases tienen que acabar con punto y coma;
******************************
Listado de canales DMX:
PureMediaServer Video:
Entre paréntesis el valor normal de uso (locate).
1 Alpha/Dimmer (255)
2 Rojo (127)
3 Verde (127)
4 Azul (127)
5 Speed (40; esto se corresponde a 25 fps. El valor del canal son los milisegundos del metro, por lo que la inversa es el valor real de FPS).
0-244: Velocidad
245-249: Autodeteccion fps, una sola vez
250-255: Autodeteccion fps, loop
En los modos auto el inicio y el fin del loop no son aplicables, se reproduce la película completa.
6 Directorio / Texto
7 Archivo / Fuente
8 Tipo de Media
0-24: OFF
25-49: Video
50-75: Imagenes
75-99: Texto
9 Reproduccion: Valores en 100%
00-10 Normal loop
11-20 Back loop
21-30 Ping-pong loop
31-40 Normal una vez
41-50 Back una vez
51-60 Ping-Pong una vez
61-70 Stop/pause
71-80 Continue
10 Inicio loop (0 principio peli- 255 final) (0)
11 Final Loop (0 principio peli - 255 final) (255)
12 Rotate X (0)
13 Rotate Y (0)
14 Rotate Z (0)
15 Size X Size Font (127)
16 Size Y (127)
17 Z (127)
18 X (127)
19 Y (127)
20 X Fino (127)
21 Y Fino (127)
Los siguientes canales son usados para transparencias
Los High filtran los pixeles con ese y los convierte en transparente (croma)
22 Alpha High Red (255)
23 Alpha High Green (255)
24 Alpha High Blue (255)
Los Low filtran todo menos los pixel con ese valor (máscara)
25 Alpha Low Red (0)
26 Alpha Low Green (0)
27 Alpha Low Blue (0)
Los siguientes canales se usan para correción de keystone y videomapping. Hay configuración por capa, el resto de configuraciones de posición y tamaño se reajustarán dentro de la nueva capa
28 Corner Bottom Left X (0)
29 Corner Bottom Left Y (0)
30 Corner Top Left X (0)
31 Corner Top Left Y (255)
32 Corner Bottom Right X (255)
33 Corner Bottom Right Y (0)
34 Corner Top Right X (255)
35 Corner Top Right Y (255)
Los siguientes canales son usados para control de efectos
36 Selección FX 1
37 Selección FX 2
38 Param 1 FX 1
39 Param 2 FX 1
40 Param 3 FX 1
41 Param 4 FX 1
42 Param 5 FX 1
43 Param 6 FX 1
44 Param 7 FX 1
45 Param 8 FX 1
46 - Blending Mode. Este canal elige el tipo de mezcla entre capas. Se corresponde a los modos de mezcla OpenGL:
0: GL_ONE_MINUS_SRC_ALPHA;
1: GL_ONE;
2: GL_ZERO;
3: GL_SRC_COLOR;
4: GL_ONE_MINUS_SRC_COLOR; (Locate, mezcla normal)
5: GL_DST_COLOR;
6: GL_ONE_MINUS_DST_COLOR;
7: GL_SRC_ALPHA;
8: GL_ONE_MINUS_SRC_ALPHA;
9: GL_DST_ALPHA;
10: GL_ONE_MINUS_DST_ALPHA;
11: GL_CONSTANT_COLOR;
12: GL_ONE_MINUS_CONSTANT_COLOR;
13: GL_CONSTANT_ALPHA;
14: GL_ONE_MINUS_CONSTANT_ALPHA;
15: GL_SRC_ALPHA_SATURATE;
16: GL_SRC1_COLOR;
17: GL_ONE_MINUS_SRC1_COLOR;
18: GL_SRC1_ALPHA;
19: GL_ONE_MINUS_SRC1_ALPHA;
20: GL_ONE_MINUS_SRC_ALPHA;
Más información sobre los distintos tipos de blending en http://www.opengl.org/wiki/GLAPI/glBlendFunc.
******************************
Efectos Video:
0 - No effect
1 - Bitmask
Fx 1 All (255)
Fx 2 Red (255)
Fx 3 Green (255)
Fx 4 Blue (255)
2 - Halftone
FX 1 Size
FX 2 Angle
FX 3 Smooth
FX 4 Style
3 - Rds
FX 1 Method
FX 2 Stride
4 - Roll
FX 1 Axis
FX 2 Roll
5 - Invert
FX 1 On/Off
6 - Scanline
FX 1 Mode
Fx 2 Interlace
7 - Threshold
FX 1 All
FX 2 Red
Fx 3 Green
Fx 4 Blue
8 - Metaimage
FX 1 Cheap
FX 2 Distance
FX 3 Size
9 - Refraction
FX 1 Width
FX 2 Height
FX 3 Mag
FX 4 Refract
10 - Convolve
FX 1 Escala
FX 2 Modo (none, smooth, edge1, edge2)
11 - Gain
FX 1 Common
FX 2 Red
FX 3 Green
FX 4 Blue
12 - Lumaoffset
FX 1 Fill On/Off
FX 2 Smooth On/Off
FX 3 Gap
FX 4 Offset
13 - tIIR
FX 1 Feedback 1
FX 2 Feedback 2
FX 3 Feedback 3
FX 4 Feedforward 1
FX 5 Feedforward 2
14 - rtx
FX 1 Clamp discontinuity to the edge (On/Off)
15 - Normalize
No Params
16 - Kaleidoskope
FX 1 Segments
FX 2 Source Angle
FX 3 X
FX 4 Y
FX 5 cX
FX 6 CY
FX 7 RLP
FX 8 SAP
**************
PureMediaServer Audio:
1 - Volumen Coarse
2 - Pan
3 - Folder
4 - File
5 - Playback
6 - Control
7 - Volume Fine
8 - Entry Point Coarse - El valor de estos dos canales en centésimas de segundo.
9 - Entry Point Fine

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Sorry, only in spanish at the moment: manual_es.txt

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Lee instalacion.txt para el proceso de instalación.
*******************************************************************************
Libre Media server es un programa para gestionar visuales en artes escénicas, eventos, performances, instalaciones,...
Se controla mediante el Open Lighting Arquitecture que soporta una gran variedad de protocolos y dispositivos estandard de iluminación: Artnet, ShowNet, PathPort, ACN, Enttec Open DMX Pro,...
Puedes controlarlo gratis con el programa MagicQ de ChamSys si no dispones de ninguna mesa o programa de iluminación. No es software libre, pero al menos es gratis y multiplataforma. En la versión más moderna ahora (1.5.7.5) para GNU/Linux no funcionan los thumbnails, en Win sí. En la carpeta "MagicQ" hay un archivo de show y los archivos de personalidad, para audio y video.
El motor gráfico y de audio es Pure Data, que se ejecuta en background invisible al usuario. Ahora mismo podemos reproducir 255 carpetas con 255 videos cada una en cualquier formato en que esté el codec instalado en el sistema. Si lo puede leer en el reproductor de medios de gnome podrá reproducirlo LMS. También podemos reproducir fotos y textos. El reproductor de medios podemos variar la velocidad, ejecutarlo en distintas direcciones (hacia delante, hacia atrás, ping-pong), y en bucle o en un sólo disparo.
LMS tiene 8 capas de video o texto, cada dispone de una correción Bezier de 4 puntos, por lo que podemos mapear diferentes superficies, o lados de objetos. También podemos corregir el keystone mediante estos ajustes. Por supuesto, hay ajustes de color, posición, tamaño y rotación por cada capa.
Las mezclas entre capas se realizan mediante 7 canales: 3 canales pasa altos RGB, 3 canales Pasabajos RGB, con lo que se puden hacer lumas y cromas entre capas, y otro canal que define el método OpenGL de blending. El orden de las capas se controla mediante el canal de posición Z: cuanto más grande sea más al fondo se encuentra. Si no el orden de prioridad es cuanto más pequeño el número de capa más prioridad tiene (la capa 1 es la más prioritaria).
También podemos manejar 8 capas de audio, cada una reproduciendo un archivo .ogg. El control de volumen es en 16 bits de precisión y logarítmico.
El interface gráfico es muy simple, sólo sirve para manejar la configuración de Pure Data y sirve para ver el archivo que cada capa está reproduciendo. Tenemos dos pestañas: Una para la configuración de Video y otra para la de Audio. Cada capa de audio y/o video se deberá patchear en la mesa independientemente. Los dos procesos son independientes y pueden funcionar individualmente o conjuntamente.
Como los controles son parecidos para las dos ventanas, las explicamos juntas. Empezando de arriba hacia abajo:
A. Terminal. Se muestran mensajes de estado y de error. Común a las dos capas.
B. 8 Capas. Representan las 8 capas de video.
- B.1 Ventana de Preview. Muestra el archivo que está siendo reproducido en la capa, sin efectos ni modificaciones. Funciona a 1 frame por segundo.
- B.2 Botón de activado de la capa. Si no está en on la capa no está activada y no renderiza, se quedará en la pantalla el último frame renderizado; desactivando no va a negro.
- B.3 Dirección DMX. Hay que introducir el primer canal DMX de la capa, la misma a la que se patcheó en la mesa.
C. Change Media Path. Cambia el path al árbol de directorios de los media. Este control es común para el video y el audio, sólo hace falta introducirlo una vez, aunque se muestra en las dos pestañas.
D. Video/Audio. Inicia o detiene los procesos de video y de audio.
F. ReadDMX. Empieza o termina la lectura de datos DMX
H. OLA Universe. El universo de Open Lighting Arquitecture que hemos configurado como entrada y al que el proceso escuchará. Ver instalacion.txt para detalles y configuración de OLA..
G. Window. Crea y destruye la ventana de reproducción.
I. Window Position. Posición de la ventana de renderizado en pixeles x,y.
J. Window Size. Tamaño de la ventana de renderizado en pixeles x, y.
K. IP Adress. Dirección IP de la interface que queremos usar para el CITP/MSEx. Dejar en 0.0.0.0 para todas las interfaces.
E. Init CITP/MSEx. Inicia el peer CITP y manda los thumbs si alguna mesa lo solicita.
F. Venta de preview. La ventana grande es un preview de la mezcla final. Funciona a 2 frames por segundo.
El CITP/MSEx no funciona en el interface localhost. Sin embargo la recepción de datos ArtNet sí. Necesita tener un interface de red activo en el momento de lanzar el programa, pero después se puede desconectar. Se puede usar en el mismo ordenador LMS y MagicQLinux para controlarlo.
Generación de thumbs:
Es necesario generar lo thumbnails de tus medias para poder transmitirlos por CITP/MSEx. Lo puedes hacer mediante el fichero make_thumbs.sh en la carpeta scripts. Primero ábrelo con un editor de texto y edita el path a tus medias. Guarda, cierra, y ejecuta el archivo. Debería de crear una subcarpeta llamada thumbs por cada carpeta de medias, y en ella el thumbnail con el primer fotograma de cada archivo, con el mismo nombre, pero acabado en jpeg. En siguientes versiones intentaré integrar esto cuando se pulse el botón "Init CITP/MSEx".
La ventana de renderizado se muestra sobre todas las demás ventanas y sin que aparezca el cursor en ella. Si tenemos problemas en la configuración, por ejemplo nos quedamos sin ver el escritorio, siempre podemos llevar el cursor a la ventana de renderizado y presionar Escape para cerrarla. La posición de la ventana se configura con los controles "Window Position" y el tamaño de la ventana con "Window Size", los dos primero el ancho y después el alto. Para hacer algo útil deberemos tener el escritorio extendido a un segundo monitor y configurar en estos controles los valores de ese monitor. Para aplicar cambios hay que cerrar la ventana y reabrirla.
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Estructura de medias:
Los archivos de medios que utiliza LMS deben de estar ordenados en un árbol de ficheros. La dirección superior del árbol es la que se tiene que introducir en el archivo scripts/make_thumbs.sh y configurar en LMS mediante el botón "Change media Path".
El árbol de ficheros tiene el siguiente esquema:
+ media
+ video
+ 000-descripcion
- 000-miloop.mov
- 001-milooocool.avi
- 002-mipelo.mpg
...
- 255-ultimo.avi
+ 001-otrodir
- 000-otrapeli.mov
- 001-maspelis.mov
...
- 255.ultimodelasegundacarpeta.mov
+ 002-fuego
- 000-Boladefuego.avi
- 001-Murodefuego.avi
...
- 255-fuentedefuego.avi
...
+ 255-ultimodir
+255.ultimapeli.mov
+ audio
+ 000-miprimealbum
- 000-mifichero.ogg
...
- 255-miultimofichero.ogg
+ 001-misegundoalbum
- 000-mifichero.ogg
...
- 255-miultimofichero.ogg
...
+ 255-miultimoalbum
- 000-mifichero.ogg
...
- 255-miultimofichero.ogg
+ fonts
- 000-mifuente.ttf
...
- 255-miultimafuente.ttf
+ images
- 000-miprimerafoto.jpg
...
- 255-miultimafoto.jpg
Los números al principio de ficheros y directorios no son obligatorios, pero ayudan mucho a organizar el material. LMS busca por orden alfabético en los directorios/ficheros, y ese orden es el que determina los valores de los canales Folder y File para reproducirlos.
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Textos:
Puedes definir hasta 255 frases editando con un editor ASCII el fichero text.txt. El formato es:
1, Esto es una frase;
2, El número es el valor del canal 6 folder;
3, no se pueden usar comas;
4, las frases tienen que acabar con punto y coma;
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Listado de canales DMX:
LibreMediaServer Video:
Entre paréntesis el valor normal de uso (locate).
1 Alpha/Dimmer (255)
2 Rojo (127)
3 Verde (127)
4 Azul (127)
5 Speed (40; esto se corresponde a 25 fps. El valor del canal son los milisegundos del metro, por lo que la inversa es el valor real de FPS).
0-244: Velocidad de reproducción.
245-249: Autodeteccion de fps, una sola vez. Se reproducirá a la velocidad de la película.
250-255: Autodeteccion de fps, loop
En los modos auto el inicio y fin de loop no son aplicables, se reproduce la película completa en modo Normal (ver canal 9).
6 Directorio / Texto
7 Archivo / Fuente
8 Tipo de Media
0-24: OFF
25-49: Video
50-75: Imagenes
75-99: Texto
9 Modos de Reproduccion (Sólo aplicable si canal 5 < 245):
00-24 Normal loop
25-49 Back loop
50-74 Ping-pong loop
75-99 Normal una vez
100-124 Back una vez
125-149 Ping-Pong una vez
150-174 Stop/pause
175-200 Continue/Play
10 Inicio loop (0 principio peli- 255 final) (0)
11 Final Loop (0 principio peli - 255 final) (255)
12 Rotate X (0)
13 Rotate Y (0)
14 Rotate Z (0)
15 Size X (127)
16 Size Y (127)
17 Z (127)
18 X (127)
19 Y (127)
20 X Fino (127)
21 Y Fino (127)
Los siguientes canales son usados para lumas y cromas.
Los High filtran los pixeles con ese valor o superior y los convierte en transparente (croma)
22 Alpha High Red (255)
23 Alpha High Green (255)
24 Alpha High Blue (255)
Los Low filtran los pixeles con ese valor o inferior (máscara).
25 Alpha Low Red (0)
26 Alpha Low Green (0)
27 Alpha Low Blue (0)
Los siguientes canales se usan para correción de keystone y videomapping. Hay configuración por capa, el resto de configuraciones de posición y tamaño se reajustarán dentro de la nueva capa
28 Corner Bottom Left X (0)
29 Corner Bottom Left Y (0)
30 Corner Top Left X (0)
31 Corner Top Left Y (255)
32 Corner Bottom Right X (255)
33 Corner Bottom Right Y (0)
34 Corner Top Right X (255)
35 Corner Top Right Y (255)
Los siguientes canales son usados para control de efectos
36 Selección FX 1 - Ver abajo para lista de efectos.
37 Selección FX 2 (Reservado - No Implementado todavía).
38 Param 1 FX 1
39 Param 2 FX 1
40 Param 3 FX 1
41 Param 4 FX 1
42 Param 5 FX 1
43 Param 6 FX 1
44 Param 7 FX 1
45 Param 8 FX 1
46 - Blending Mode. Este canal elige el tipo de mezcla entre capas. Se corresponde a los modos de mezcla OpenGL:
0: GL_ONE_MINUS_SRC_ALPHA;
1: GL_ONE;
2: GL_ZERO;
3: GL_SRC_COLOR;
4: GL_ONE_MINUS_SRC_COLOR; (Locate, mezcla normal)
5: GL_DST_COLOR;
6: GL_ONE_MINUS_DST_COLOR;
7: GL_SRC_ALPHA;
8: GL_ONE_MINUS_SRC_ALPHA;
9: GL_DST_ALPHA;
10: GL_ONE_MINUS_DST_ALPHA;
11: GL_CONSTANT_COLOR;
12: GL_ONE_MINUS_CONSTANT_COLOR;
13: GL_CONSTANT_ALPHA;
14: GL_ONE_MINUS_CONSTANT_ALPHA;
15: GL_SRC_ALPHA_SATURATE;
16: GL_SRC1_COLOR;
17: GL_ONE_MINUS_SRC1_COLOR;
18: GL_SRC1_ALPHA;
19: GL_ONE_MINUS_SRC1_ALPHA;
20: GL_ONE_MINUS_SRC_ALPHA;
Más información sobre los distintos tipos de blending en http://www.opengl.org/wiki/GLAPI/glBlendFunc.
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Efectos Video:
0 - No effect
1 - Bitmask
Fx 1 All (255)
Fx 2 Red (255)
Fx 3 Green (255)
Fx 4 Blue (255)
2 - Halftone
FX 1 Size
FX 2 Angle
FX 3 Smooth
FX 4 Style
3 - Rds
FX 1 Method
FX 2 Stride
4 - Roll
FX 1 Axis
FX 2 Roll
5 - Invert
FX 1 On/Off
6 - Scanline
FX 1 Mode
Fx 2 Interlace
7 - Threshold
FX 1 All
FX 2 Red
Fx 3 Green
Fx 4 Blue
8 - Metaimage
FX 1 Cheap
FX 2 Distance
FX 3 Size
9 - Refraction
FX 1 Width
FX 2 Height
FX 3 Mag
FX 4 Refract
10 - Convolve
FX 1 Escala
FX 2 Modo (none, smooth, edge1, edge2)
11 - Gain
FX 1 Common
FX 2 Red
FX 3 Green
FX 4 Blue
12 - Lumaoffset
FX 1 Fill On/Off
FX 2 Smooth On/Off
FX 3 Gap
FX 4 Offset
13 - tIIR
FX 1 Feedback 1
FX 2 Feedback 2
FX 3 Feedback 3
FX 4 Feedforward 1
FX 5 Feedforward 2
14 - rtx
FX 1 Clamp discontinuity to the edge (On/Off)
15 - Normalize
No Params
16 - Kaleidoskope
FX 1 Segments
FX 2 Source Angle
FX 3 X
FX 4 Y
FX 5 cX
FX 6 CY
FX 7 RLP
FX 8 SAP
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PureMediaServer Audio:
1 - Volumen Coarse
2 - Pan
3 - Folder
4 - File
5 - Playback
6 - Control
7 - Volume Fine
8 - Entry Point Coarse - El valor de estos dos canales en centésimas de segundo.
9 - Entry Point Fine

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Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
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This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Pure Media Server is an Open Source project to manage visuals and audio in stage, perfomances, installations, events,,...,
The control input is through Open Lighting Arquitecture, so we can use any open lighting protocolo (ArtNet, PathPort, ShowNet, ACN, SandNet,...) or DMX-USB device (Enttec USB DMX Pro, Velleman, Anyuma,..).
The graphic and audio engine are two Pure Data process running in the background. You will need a graphics card OpenGL capable and the driver for it
correctly installed.
I'm developing and testing in Debian Wheezy and Ubuntu precise 12.04. It should compile and work in anothers Debian based distros.
Features:
- 8 video, pictures or text layers.
- 8 audio layers.
- Advanced playback (normal, back, ping.pong, entry point, exit point, speed, loop).
- Each layer can be mapped onto a surface with 4 point of Bèzier.
- A lot of formats: avi, mov, mpg, HD,...
- Some video effects.
- Position, Rotation, Size.
- Croma/Luma mask.
- Text through a text file, with 255 phrases.
Sorry, at the moment the doc is only in spanish:
Install guide : instalacion.txt
Users guide : manual.txt

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*******************************************************************************
Libre Media Server - An Open source Media Server.
(c) Santiago Noreña 2012-2013
*******************************************************************************
Developing and support: libremediaserver@gmail.com
Code: http://code.google.com/p/libremediaserver
*******************************************************************************
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*******************************************************************************
Próximas versiones:
- Pure Data Video: Modularidad, sumar ventanas por instancias de PMS-video. NO SE PUEDE POR USAR LOS MISMOS PUERTOS. Opción de arranque?. Blending entre proyectores.Mirar ejemplo Gem multiprojection. Añdir shaders a la capa?
- Pure Data Video: Cambiar alpha por glgs. Mirar ejemplos en doc de Gem. Mirar requerimientos de tarjetas gráficas. Añadir shaders glgs.
- GUI: Cuadro de diálogo en open/save para diferentes archivos de configuración.
- GUI: Mover la configuración de ip address a un menú.
- GUI: Configuración para anular los previews y salvar tiempo de proceso.
- Conectividad: CITP/MSEx 1.1. Thumbs y previews de imágenes.
- Pure Data: Carpetas para imágenes y sonidos. Diferentes ficheros de texto.
- Pure Data: sincronismo de audio con videos --> Parece que hay que hacer un script para separar el audio del video, y luego ejecutarlos juntos. Un poco chapu, la verdad. La aternativa es volver a pdp mediante pdp2gem (inviable, demasiado proceso) --> De momento separando el .ogg del video, ejecutando en auto, y mandando play a la vez debería de estar sincronizados. Ahora mismo se podría separando el audio en un fichero .ogg y presionando el play a la vez en modo auto.
- Documentación en inglés.
- Medidor de CPU en el GUI
- Incluir archivos en el ejecutable como recursos Qt --> Podrá leer Pure Data los .pd_linux?
- Audio: Theremin, sintetizadores.
- Audio: Música fractal mediante generadores de fx de las mesas
- Audio: Tarjetas con varias salidas y varias mezclas.
- Video: Live input
- Empaquetar en .deb
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Para considerar:
- Necesidad de 16 bits en size, rotation, entry-end points, puntos de bezier?
- Más puntos de Bezier?
- Hacer external con reproductor de pix_film --> Merece la pena codificarlo en C una vez hecho en PD? Ahorrará consumo de CPU?
- GUI: PD Watchdog reinicia --> Puede que sea mejor que se reproduzca más lento a forzar un reinicio?
-----------------
Descartados:
- Separar textos en otra personalidad --> No posible, al iniciar un nuevo proceso inicia una nueva ventana- Malo para textos, bueno para varios proyectores y blending!. Investigar soft edge.