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Diffstat (limited to 'v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h')
-rw-r--r-- | v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h new file mode 100644 index 000000000..3c50d9fb9 --- /dev/null +++ b/v4l2-apps/libv4l/libv4lconvert/processing/libv4lprocessing.h @@ -0,0 +1,48 @@ +/* +# (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 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_H +#define __LIBV4LPROCESSING_H + +/* These headers are not needed by us, but by linux/videodev2.h, + which is broken on some systems and doesn't include them itself :( */ +#include <sys/time.h> +#include <linux/types.h> +#include <linux/ioctl.h> +/* end broken header workaround includes */ +#include <linux/videodev2.h> + +struct v4lprocessing_data; +struct v4lcontrol_data; + +struct v4lprocessing_data *v4lprocessing_create(struct v4lcontrol_data *data); +void v4lprocessing_destroy(struct v4lprocessing_data *data); + +/* Prepare to process 1 frame, returns 1 if processing is necesary, + return 0 if no processing will be done */ +int v4lprocessing_pre_processing(struct v4lprocessing_data *data); + +/* Do the actual processing, this is a nop if v4lprocessing_pre_processing() + returned 0, or if called more then 1 time after a single + v4lprocessing_pre_processing() call. */ +void v4lprocessing_processing(struct v4lprocessing_data *data, + unsigned char *buf, const struct v4l2_format *fmt); + +#endif |