merge: http://kernellabs.com/hg/~mkrufky/tda18271

From: Mauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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