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Diffstat (limited to 'v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h')
| -rw-r--r-- | v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h new file mode 100644 index 000000000..b73c73b53 --- /dev/null +++ b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing-priv.h @@ -0,0 +1,60 @@ +/* +# (C) 2008-2009 Elmar Kleijn <elmar_kleijn@hotmail.com> +# (C) 2008-2009 Sjoerd Piepenbrink <need4weed@gmail.com> +# (C) 2008-2009 Hans de Goede <hdegoede@redhat.com> + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser 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 __LIBV4LPROCESSING_PRIV_H +#define __LIBV4LPROCESSING_PRIV_H + +#include "../control/libv4lcontrol.h" +#include "../libv4lsyscall-priv.h" + +#define V4L2PROCESSING_UPDATE_RATE 10 + +struct v4lprocessing_data { + struct v4lcontrol_data *control; + int fd; + int do_process; + /* True if any of the lookup tables does not contain + linear 0-255 */ + int lookup_table_active; + /* Counts the number of processed frames until a + V4L2PROCESSING_UPDATE_RATE overflow happens */ + int lookup_table_update_counter; + /* RGB/BGR lookup tables */ + unsigned char comp1[256]; + unsigned char green[256]; + unsigned char comp2[256]; + /* Filter private data for filters which need it */ + int last_gamma; + unsigned char gamma_table[256]; +}; + +struct v4lprocessing_filter { + /* Returns 1 if the filter is active */ + int (*active)(struct v4lprocessing_data *data); + /* Returns 1 if any of the lookup tables was changed */ + int (*calculate_lookup_tables)(struct v4lprocessing_data *data, + unsigned char *buf, const struct v4l2_format *fmt); +}; + +extern struct v4lprocessing_filter whitebalance_filter; +extern struct v4lprocessing_filter autogain_filter; +extern struct v4lprocessing_filter gamma_filter; + +#endif |