- Reestructuración de ficheros y directorios general
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
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Gem/plugins/videoV4L/videoV4L.h
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Gem/plugins/videoV4L/videoV4L.h
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/*-----------------------------------------------------------------
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GEM - Graphics Environment for Multimedia
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Load an video into a pix block
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Copyright (c) 1997-1999 Mark Danks. mark@danks.org
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Copyright (c) Günther Geiger. geiger@epy.co.at
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Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
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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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Linux version by Miller Puckette. msp@ucsd.edu
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-----------------------------------------------------------------*/
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#ifndef _INCLUDE_GEMPLUGIN__VIDEOV4L_VIDEOV4L_H_
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#define _INCLUDE_GEMPLUGIN__VIDEOV4L_VIDEOV4L_H_
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#include "plugins/videoBase.h"
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#ifdef HAVE_LINUX_VIDEODEV_H
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# include <linux/videodev.h>
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#endif /* HAVE_LINUX_VIDEODEV_H */
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#ifdef HAVE_LIBV4L1
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# include <libv4l1.h>
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#endif /* HAVE_LIBV4L1 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <linux/types.h>
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#include <sys/mman.h>
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//#ifdef HAVE_PTHREADS
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#include <pthread.h>
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//#endif
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#define V4L_DEVICENO 0
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#define V4L_NBUF 2
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#define V4L_COMPOSITEIN 1
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/*-----------------------------------------------------------------
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-------------------------------------------------------------------
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CLASS
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videoV4L
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grab images from a v4l(1) device
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KEYWORDS
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pix
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DESCRIPTION
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"dimen" (int, int) - set the x,y dimensions
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"zoom" (int, int) - the zoom factor (1.0 is nominal) (num / denom)
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"bright" (int) - the brightnes
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"contrast" (int) - the contrast
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"hue" (int) - the hue
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"sat" (int) - the saturation
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-----------------------------------------------------------------*/
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namespace gem { namespace plugins {
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class GEM_EXPORT videoV4L : public videoBase {
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public:
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//////////
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// Constructor
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videoV4L(void);
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//////////
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// Destructor
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virtual ~videoV4L(void);
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////////
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// open the video-device
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virtual bool openDevice(gem::Properties&props);
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virtual void closeDevice(void);
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//////////
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// Start up the video device
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// [out] int - returns 0 if bad
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bool startTransfer(void);
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//////////
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// Stop the video device
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// [out] int - returns 0 if bad
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bool stopTransfer(void);
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//////////
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// get the next frame
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bool grabFrame(void);
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//////////
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// Set the video dimensions
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virtual bool enumProperties(gem::Properties&readable,
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gem::Properties&writeable);
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virtual void setProperties(gem::Properties&props);
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virtual void getProperties(gem::Properties&props);
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virtual bool setColor(int);
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virtual std::vector<std::string>enumerate(void);
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protected:
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//-----------------------------------
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// GROUP: Linux specific video data
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//-----------------------------------
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struct video_tuner vtuner;
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struct video_picture vpicture;
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struct video_buffer vbuffer;
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struct video_capability vcap;
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struct video_channel vchannel;
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struct video_audio vaudio;
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struct video_mbuf vmbuf;
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struct video_mmap vmmap[V4L_NBUF];
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int tvfd;
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int frame, last_frame;
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unsigned char *videobuf;
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int skipnext;
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int mytopmargin, mybottommargin;
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int myleftmargin, myrightmargin;
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int m_gotFormat; // the format returned by the v4l-device (not an openGL-format!)
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bool m_colorConvert; // do we have to convert the colour-space manually ?
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int m_norm; // PAL, NTSC,...
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int m_channel;
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unsigned int errorcount;
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};
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};};
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#endif // for header file
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