mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 09:10:36 +00:00
892d8d515f
Since commit 45ca8876b2 nobody is using
gst_opencv_get_ipl_depth_and_channels() or
gst_opencv_parse_iplimage_params_from_structure(). Remove this dead
code.
103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/* GStreamer
|
|
* Copyright (C) <2010> Thiago Santos <thiago.sousa.santos@collabora.co.uk>
|
|
*
|
|
* gstopencvutils.c: miscellaneous utility functions
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstopencvutils.h"
|
|
#include <opencv2/core/types_c.h>
|
|
|
|
|
|
gboolean
|
|
gst_opencv_parse_iplimage_params_from_caps (GstCaps * caps, gint * width,
|
|
gint * height, gint * ipldepth, gint * channels, GError ** err)
|
|
{
|
|
GstVideoInfo info;
|
|
gint depth = 0;
|
|
guint i;
|
|
|
|
if (!gst_video_info_from_caps (&info, caps)) {
|
|
GST_ERROR ("Failed to get the videoinfo from caps");
|
|
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
|
|
"No width/heighti/depth/channels in caps");
|
|
return FALSE;
|
|
}
|
|
|
|
*width = GST_VIDEO_INFO_WIDTH (&info);
|
|
*height = GST_VIDEO_INFO_HEIGHT (&info);
|
|
if (GST_VIDEO_INFO_IS_RGB (&info))
|
|
*channels = 3;
|
|
else if (GST_VIDEO_INFO_IS_GRAY (&info))
|
|
*channels = 1;
|
|
else {
|
|
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
|
|
"Unsupported caps %s", gst_caps_to_string (caps));
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 0; i < GST_VIDEO_INFO_N_COMPONENTS (&info); i++)
|
|
depth += GST_VIDEO_INFO_COMP_DEPTH (&info, i);
|
|
|
|
if (depth / *channels == 8) {
|
|
/* TODO signdness? */
|
|
*ipldepth = IPL_DEPTH_8U;
|
|
} else if (depth / *channels == 16) {
|
|
*ipldepth = IPL_DEPTH_16U;
|
|
} else {
|
|
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
|
|
"Unsupported depth/channels %d/%d", depth, *channels);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_opencv_caps_from_cv_image_type (int cv_type)
|
|
{
|
|
GstCaps *c = gst_caps_new_empty ();
|
|
switch (cv_type) {
|
|
case CV_8UC1:
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY8")));
|
|
break;
|
|
case CV_8UC3:
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGB")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGR")));
|
|
break;
|
|
case CV_8UC4:
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGBx")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("xRGB")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGRx")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("xBGR")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGBA")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("ARGB")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGRA")));
|
|
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("ABGR")));
|
|
break;
|
|
case CV_16UC1:
|
|
gst_caps_append (c,
|
|
gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY16_LE")));
|
|
gst_caps_append (c,
|
|
gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY16_BE")));
|
|
break;
|
|
}
|
|
return c;
|
|
}
|