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Simplify confusing code.

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This commit is contained in:
Antoine Cellerier 2008-10-25 02:58:29 +02:00
parent 8dc892540f
commit 6409dc01f6
1 changed files with 12 additions and 5 deletions
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17
modules/access/v4l2/v4l2.c
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@ -70,7 +70,6 @@
#ifdef HAVE_LIBV4L2
# include <libv4l2.h>
#else
# define v4l2_fd_open(fd, flags) (fd)
# define v4l2_close close
# define v4l2_dup dup
# define v4l2_ioctl ioctl
@ -1845,15 +1844,19 @@ static int OpenVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys, bool b_demux )
goto open_failed;
}
#ifdef HAVE_LIBV4L2
/* Note the v4l2_xxx functions are designed so that if they get passed an
unknown fd, the will behave exactly as their regular xxx counterparts,
so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
custom cam format to normal formats conversion). Chances are big we will
still fail then though, as normally v4l2_fd_open only fails if the
device is not a v4l2 device. */
libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
if (libv4l2_fd != -1)
libv4l2_fd = v4l2_fd_open( i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION );
if( libv4l2_fd != -1 )
i_fd = libv4l2_fd;
#else
libv4l2_fd = i_fd;
#endif
/* Tune the tuner */
if( p_sys->i_frequency >= 0 )
@ -2574,15 +2577,19 @@ static bool ProbeVideoDev( vlc_object_t *p_obj, demux_sys_t *p_sys,
goto open_failed;
}
#ifdef HAVE_LIBV4L2
/* Note the v4l2_xxx functions are designed so that if they get passed an
unknown fd, the will behave exactly as their regular xxx counterparts,
so if v4l2_fd_open fails, we continue as normal (missing the libv4l2
custom cam format to normal formats conversion). Chances are big we will
still fail then though, as normally v4l2_fd_open only fails if the
device is not a v4l2 device. */
libv4l2_fd = v4l2_fd_open(i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION);
if (libv4l2_fd != -1)
libv4l2_fd = v4l2_fd_open( i_fd, V4L2_ENABLE_ENUM_FMT_EMULATION );
if( libv4l2_fd != -1 )
i_fd = libv4l2_fd;
#else
libv4l2_fd = i_fd;
#endif
/* Get device capabilites */