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# (C) 2008-2009 Elmar Kleijn <elmar_kleijn@hotmail.com>
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# (C) 2008-2009 Sjoerd Piepenbrink <need4weed@gmail.com>
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# (C) 2008-2009 Radjnies Bhansingh <radjnies@gmail.com>
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# (C) 2008-2009 Hans de Goede <hdegoede@redhat.com>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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#ifndef __LIBV4LCONTROL_H
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#define __LIBV4LCONTROL_H
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#define V4LCONTROL_HFLIPPED 0x01
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#define V4LCONTROL_VFLIPPED 0x02
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#define V4LCONTROL_ROTATED_90_JPEG 0x04
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#define V4LCONTROL_WANTS_WB 0x08
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#define V4LCONTROL_WANTS_AUTOGAIN 0x10
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#define V4LCONTROL_WANTS_WB_AUTOGAIN (V4LCONTROL_WANTS_WB | V4LCONTROL_WANTS_AUTOGAIN)
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V4LCONTROL_WHITEBALANCE,
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/* All fake controls above here are auto enabled when not present in hw */
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V4LCONTROL_AUTO_ENABLE_COUNT,
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V4LCONTROL_AUTOGAIN_TARGET,
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struct v4lcontrol_data;
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struct v4lcontrol_data *v4lcontrol_create(int fd, int always_needs_conversion);
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void v4lcontrol_destroy(struct v4lcontrol_data *data);
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int v4lcontrol_get_bandwidth(struct v4lcontrol_data *data);
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/* Functions used by v4lprocessing to get the control state */
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int v4lcontrol_get_flags(struct v4lcontrol_data *data);
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int v4lcontrol_get_ctrl(struct v4lcontrol_data *data, int ctrl);
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/* Check if the controls have changed since the last time this function
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int v4lcontrol_controls_changed(struct v4lcontrol_data *data);
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/* Check if we must go through the conversion path (and thus alloc conversion
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buffers, etc. in libv4l2). Note this always return 1 if we *may* need
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rotate90 / flipping / processing, as if we actually need this may change
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on the fly while the stream is active. */
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int v4lcontrol_needs_conversion(struct v4lcontrol_data *data);
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/* Functions used by v4lconvert to pass vidioc calls from libv4l2 */
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int v4lcontrol_vidioc_queryctrl(struct v4lcontrol_data *data, void *arg);
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int v4lcontrol_vidioc_g_ctrl(struct v4lcontrol_data *data, void *arg);
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int v4lcontrol_vidioc_s_ctrl(struct v4lcontrol_data *data, void *arg);
added
removed
.pc/force_tinyjpeg_quirk.diff/lib/libv4lconvert/control/libv4lcontrol.h
