152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
////////////////////////////////////////////////////////
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// pix2jpg v0.01
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// External for Gem and Pure Data to convert an image to jpg and send it
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// via Unix Domain Sockets
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// Compiled and tested in Ubuntu Precise
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// (c) 2012 Santi Noreña. puremediaserver@gmail.com
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//
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// GEM - Graphics Environment for Multimedia
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//
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// zmoelnig@iem.kug.ac.at
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//
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// Implementation file
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//
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// Copyright (c) 1997-1999 Mark Danks.
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// Copyright (c) Günther Geiger.
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// Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
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// Copyright (c) 2002 James Tittle & Chris Clepper
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// For information on usage and redistribution, and for a DISCLAIMER OF ALL
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// WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
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//
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/////////////////////////////////////////////////////////
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#include "pix2jpg.h"
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#include <sys/socket.h>
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#include <sys/un.h>
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#include "m_pd.h"
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//#include "s_stuff.h"
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#define SOCK_PATH "/tmp/pmspipe"
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CPPEXTERN_NEW_WITH_ONE_ARG(pix2jpg, t_symbol *, A_DEFSYM);
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/////////////////////////////////////////////////////////
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//
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// pix2jpg
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//
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/////////////////////////////////////////////////////////
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// Constructor
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//
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/////////////////////////////////////////////////////////
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pix2jpg :: pix2jpg(t_symbol *s)
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: m_banged(false),
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m_automatic(false),
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m_layer(0)
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{
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post("pix2jpg v0.01 Convert pix to jpeg and send to Unix Local Socket");
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post("(c) 2012 Santi Noreña puremediaserver@gmail.com");
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post("GPL License");
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outlet1 = outlet_new(this->x_obj, 0); // Saca todos los canales mediante una lista
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// Init the Unix Socket
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socket_fd = socket(PF_UNIX, SOCK_STREAM, 0);
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if(socket_fd < 0)
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{
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post("pix2jpg:create socket() failed\n");
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return;
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}
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/* start with a clean address structure */
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memset(&address, 0, sizeof(struct sockaddr_un));
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address.sun_family = PF_UNIX;
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strcpy(address.sun_path,SOCK_PATH);
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if(connect(socket_fd,(struct sockaddr *) &address,sizeof(struct sockaddr_un)) != 0)
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{
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post("pix2jpg:connect() failed");
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return;
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}
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}
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/////////////////////////////////////////////////////////
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// Destructor
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//
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/////////////////////////////////////////////////////////
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pix2jpg :: ~pix2jpg()
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{
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outlet_free(outlet1);
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}
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/////////////////////////////////////////////////////////
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// render
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//
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/////////////////////////////////////////////////////////
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void pix2jpg :: processImage(imageStruct &image)
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{
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if (m_automatic || m_banged)
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{
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m_banged =false;
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int counter = 0;
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Image imagem(image.xsize, image.ysize, "RGBA", CharPixel, image.data);
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imagem.resize("64x46");
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// Write to BLOB in png format
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Blob blob;
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imagem.magick( "jpg" ); // Set JPEG output format
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imagem.write( &blob );
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// Enviamos al GUI x Unix Domain Sockets
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int size = blob.length() +2;
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char buffer[size];
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memcpy(buffer+2, blob.data(), blob.length());
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memcpy(buffer,&m_layer, 2);
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write(socket_fd, buffer, size);
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}
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}
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/////////////////////////////////////////////////////////
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// static member functions
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//
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/////////////////////////////////////////////////////////
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void pix2jpg :: obj_setupCallback(t_class *classPtr)
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{
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class_addbang(classPtr, reinterpret_cast<t_method>(&pix2jpg::bangMessCallback));
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class_addmethod(classPtr, reinterpret_cast<t_method>(&pix2jpg::startMessCallback),gensym("start"), A_NULL);
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class_addmethod(classPtr, reinterpret_cast<t_method>(&pix2jpg::stopMessCallback),gensym("stop"), A_NULL);
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class_addmethod(classPtr, reinterpret_cast<t_method>(&pix2jpg::layerimageMessCallback),gensym("layerimage"), A_FLOAT,A_NULL);
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class_addmethod(classPtr, reinterpret_cast<t_method>(&pix2jpg::layernameMessCallback),gensym("layername"), A_GIMME,A_NULL);
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}
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void pix2jpg :: startMessCallback(void *data)
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{
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GetMyClass(data)->m_automatic=true;
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}
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void pix2jpg :: stopMessCallback(void *data)
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{
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GetMyClass(data)->m_automatic=false;
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}
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void pix2jpg :: bangMessCallback(void *data)
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{
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GetMyClass(data)->m_banged=true;
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}
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void pix2jpg :: layerimageMessCallback (void *data, t_float f)
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{
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GetMyClass(data)->m_layer=f;
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printf("layer: %d", GetMyClass(data)->m_layer);
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}
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void pix2jpg :: layernameMessCallback(void *data, t_symbol *s, int argc, t_atom *argv)
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{
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/* int n, length;
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t_symbol *c;
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// check for correct number of arguments
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n = atom_getint(argv++);
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c = atom_getsymbol(argv++);
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length = 2 + sizeof(c);
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char *buffer;
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post
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memcpy(buffer+2, c, sizeof(c));
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memcpy(buffer,&n, 2); */
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t_binbuf *b = binbuf_new();
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char *buf;
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int length;
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// t_atom at;
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binbuf_add(b, argc, argv);
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// SETSEMI(&at);
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// binbuf_add(b, 1, &at);
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binbuf_gettext(b, &buf, &length);
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write(socket_fd, buf, length);
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}
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