1 files changed, 70 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.h b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.h
new file mode 100644
index 000000000..e29fde3d4
--- /dev/null
+++ b/v4l2-apps/libv4l/libv4lconvert/control/libv4lcontrol.h
@@ -0,0 +1,70 @@
+/*
+#             (C) 2008-2009 Elmar Kleijn <elmar_kleijn@hotmail.com>
+#             (C) 2008-2009 Sjoerd Piepenbrink <need4weed@gmail.com>
+#             (C) 2008-2009 Radjnies Bhansingh <radjnies@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 __LIBV4LCONTROL_H
+#define __LIBV4LCONTROL_H
+
+/* Flags */
+#define V4LCONTROL_HFLIPPED              0x01
+#define V4LCONTROL_VFLIPPED              0x02
+#define V4LCONTROL_ROTATED_90_JPEG       0x04
+#define V4LCONTROL_WANTS_WB              0x08
+#define V4LCONTROL_WANTS_AUTOGAIN        0x10
+
+/* Masks */
+#define V4LCONTROL_WANTS_WB_AUTOGAIN     (V4LCONTROL_WANTS_WB | V4LCONTROL_WANTS_AUTOGAIN)
+
+/* Controls */
+enum {
+  V4LCONTROL_WHITEBALANCE,
+  V4LCONTROL_HFLIP,
+  V4LCONTROL_VFLIP,
+  V4LCONTROL_GAMMA,
+  /* All fake controls above here are auto enabled when not present in hw */
+  V4LCONTROL_AUTO_ENABLE_COUNT,
+  V4LCONTROL_AUTOGAIN,
+  V4LCONTROL_AUTOGAIN_TARGET,
+  V4LCONTROL_COUNT
+  };
+
+struct v4lcontrol_data;
+
+struct v4lcontrol_data* v4lcontrol_create(int fd, int always_needs_conversion);
+void v4lcontrol_destroy(struct v4lcontrol_data *data);
+
+/* Functions used by v4lprocessing to get the control state */
+int v4lcontrol_get_flags(struct v4lcontrol_data *data);
+int v4lcontrol_get_ctrl(struct v4lcontrol_data *data, int ctrl);
+/* Check if the controls have changed since the last time this function
+   was called */
+int v4lcontrol_controls_changed(struct v4lcontrol_data *data);
+/* Check if we must go through the conversion path (and thus alloc conversion
+   buffers, etc. in libv4l2). Note this always return 1 if we *may* need
+   rotate90 / flipping / processing, as if we actually need this may change
+   on the fly while the stream is active. */
+int v4lcontrol_needs_conversion(struct v4lcontrol_data *data);
+
+/* Functions used by v4lconvert to pass vidioc calls from libv4l2 */
+int v4lcontrol_vidioc_queryctrl(struct v4lcontrol_data *data, void *arg);
+int v4lcontrol_vidioc_g_ctrl(struct v4lcontrol_data *data, void *arg);
+int v4lcontrol_vidioc_s_ctrl(struct v4lcontrol_data *data, void *arg);
+
+#endif