libvips/libsrc/video/video_dispatch.c

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2007-08-29 18:23:50 +02:00
/* function dispatch tables for video
*/
/*
This file is part of VIPS.
VIPS 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 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
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <vips/vips.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
static int
video_v4l1_vec( im_object *argv )
{
IMAGE *out = argv[0];
char *device = (char *) argv[1];
int channel = *((int*)argv[2]);
int brightness = *((int*)argv[3]);
int colour = *((int*)argv[4]);
int contrast = *((int*)argv[5]);
int hue = *((int*)argv[6]);
int ngrabs = *((int*)argv[7]);
return( im_video_v4l1( out, device,
channel, brightness, colour, contrast, hue, ngrabs ) );
}
static im_arg_desc video_v4l1_arg_types[] = {
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_STRING( "device" ),
IM_INPUT_INT( "channel" ),
IM_INPUT_INT( "brightness" ),
IM_INPUT_INT( "colour" ),
IM_INPUT_INT( "contrast" ),
IM_INPUT_INT( "hue" ),
IM_INPUT_INT( "ngrabs" )
};
static im_function video_v4l1_desc = {
"im_video_v4l1", /* Name */
"grab a video frame with v4l1", /* Description */
IM_FN_NOCACHE, /* Flags */
video_v4l1_vec, /* Dispatch function */
IM_NUMBER( video_v4l1_arg_types ), /* Size of arg list */
video_v4l1_arg_types /* Arg list */
};
static int
video_test_vec( im_object *argv )
{
IMAGE *out = argv[0];
int brightness = *((int*)argv[1]);
int error = *((int*)argv[2]);
return( im_video_test( out, brightness, error ) );
}
static im_arg_desc video_test_arg_types[] = {
IM_OUTPUT_IMAGE( "out" ),
IM_INPUT_INT( "brightness" ),
IM_INPUT_INT( "error" )
};
static im_function video_test_desc = {
"im_video_test", /* Name */
"test video grabber", /* Description */
IM_FN_NOCACHE, /* Flags */
video_test_vec, /* Dispatch function */
IM_NUMBER( video_test_arg_types ), /* Size of arg list */
video_test_arg_types /* Arg list */
};
static im_function *video_list[] = {
&video_test_desc,
&video_v4l1_desc
};
im_package im__video = {
"video", /* Package name */
IM_NUMBER( video_list ), /* Function list */
video_list
};