/usr/include/guvcview-2/libgviewv4l2core/gview.h is in libguvcview-dev 2.0.4+debian-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# guvcview http://guvcview.sourceforge.net #
# #
# Paulo Assis <pj.assis@gmail.com> #
# #
# 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 2 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 #
# #
********************************************************************************/
#ifndef GVIEW_H
#define GVIEW_H
#include <inttypes.h>
#include <sys/types.h>
#include <libintl.h>
#include <pthread.h>
/*needed fo PACKAGE definition*/
#include "../config.h"
/* support for internationalization - i18n */
#ifndef _
# define _(String) dgettext (GETTEXT_PACKAGE, String)
#endif
#ifndef N_
# ifdef gettext_noop
# define N_(String) gettext_noop (String)
# else
# define N_(String) (String)
# endif
#endif
#ifndef TRUE
#define TRUE (1)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
#define CLEAR_LINE "\x1B[K"
#ifdef WORDS_BIGENDIAN
#define BIGENDIAN 1
#else
#define BIGENDIAN 0
#endif
#ifndef NSEC_PER_SEC
#define NSEC_PER_SEC 1000000000LL
#endif
#ifndef USEC_PER_SEC
#define USEC_PER_SEC 1000000LL
#endif
#define ODD(x) ((x%2)?TRUE:FALSE)
#define __THREAD_TYPE pthread_t
#define __THREAD_CREATE(t,f,d) (pthread_create(t,NULL,f,d))
#define __THREAD_CREATE_ATTRIB(t,a,f,d) (pthread_create(t,a,f,d))
#define __THREAD_JOIN(t) (pthread_join(t, NULL))
#define __ATTRIB_TYPE pthread_attr_t
#define __INIT_ATTRIB(t) (pthread_attr_init(t))
#define __ATTRIB_JOINABLE(t) (pthread_attr_setdetachstate(t, PTHREAD_CREATE_JOINABLE))
#define __CLOSE_ATTRIB(t) (pthread_attr_destroy(t))
#define __MUTEX_TYPE pthread_mutex_t
#define __STATIC_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#define __INIT_MUTEX(m) ( pthread_mutex_init(m, NULL) )
#define __CLOSE_MUTEX(m) ( pthread_mutex_destroy(m) )
#define __LOCK_MUTEX(m) ( pthread_mutex_lock(m) )
#define __UNLOCK_MUTEX(m) ( pthread_mutex_unlock(m) )
#define __COND_TYPE pthread_cond_t
#define __INIT_COND(c) ( pthread_cond_init (c, NULL) )
#define __CLOSE_COND(c) ( pthread_cond_destroy(c) )
#define __COND_BCAST(c) ( pthread_cond_broadcast(c) )
#define __COND_SIGNAL(c) ( pthread_cond_signal(c) )
#define __COND_TIMED_WAIT(c,m,t) ( pthread_cond_timedwait(c,m,t) )
/*next index of ring buffer with size elements*/
#define NEXT_IND(ind,size) ind++;if(ind>=size) ind=0
/*previous index of ring buffer with size elements*/
//#define PREV_IND(ind,size) ind--;if(ind<0) ind=size-1
typedef char* pchar;
/* 0 is device default*/
static const int stdSampleRates[] =
{
0, 8000, 9600, 11025, 12000,
16000, 22050, 24000,
32000, 44100, 48000,
88200, 96000,
-1 /* Negative terminated list. */
};
#define DHT_SIZE 432
/*clip value between 0 and 255*/
#define CLIP(value) (uint8_t)(((value)>0xFF)?0xff:(((value)<0)?0:(value)))
/*MAX macro - gets the bigger value*/
#ifndef MAX
#define MAX(a,b) (((a) < (b)) ? (b) : (a))
#endif
#endif
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