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4cfe898f9b
Instead of a wrapper, making it much simpler. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/899>
115 lines
4 KiB
C
115 lines
4 KiB
C
/* GStreamer
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* Copyright 2010 ST-Ericsson SA
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* @author: Benjamin Gaignard <benjamin.gaignard@stericsson.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/*
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* test autovideoconvert:
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* if rgb2bayer is present
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* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-raw,width=100,height=100,framerate=10/1" ! autovideoconvert ! "video/x-bayer,width=100,height=100,format=bggr,framerate=10/1" ! fakesink -v
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* if bayer2rgb is present
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* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-bayer,width=100,height=100,format=bggr,framerate=10/1" ! autovideoconvert ! "video/x-raw,width=100,height=100,framerate=10/1" ! fakesink -v
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* test with videoconvert
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* gst-launch-1.0 videotestsrc num-buffers=2 ! "video/x-raw,format=RGBx,width=100,height=100,framerate=10/1" ! autovideoconvert ! "video/x-raw,format=RGB16,width=100,height=100,framerate=10/1" ! fakesink -v
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "gstautovideoconvert.h"
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GST_DEBUG_CATEGORY (autovideoconvert_debug);
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#define GST_CAT_DEFAULT (autovideoconvert_debug)
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struct _GstAutoVideoConvert
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{
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GstAutoConvert parent;
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};
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G_DEFINE_TYPE (GstAutoVideoConvert, gst_auto_video_convert,
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GST_TYPE_AUTO_CONVERT);
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GST_ELEMENT_REGISTER_DEFINE (autovideoconvert, "autovideoconvert",
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GST_RANK_NONE, gst_auto_video_convert_get_type ());
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static gboolean
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gst_auto_video_convert_element_filter (GstPluginFeature * feature,
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GstAutoVideoConvert * autovideoconvert)
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{
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const gchar *klass;
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/* we only care about element factories */
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if (G_UNLIKELY (!GST_IS_ELEMENT_FACTORY (feature)))
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return FALSE;
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if (!g_strcmp0 (GST_OBJECT_NAME (feature), "autovideoconvert"))
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return FALSE;
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klass = gst_element_factory_get_metadata (GST_ELEMENT_FACTORY_CAST (feature),
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GST_ELEMENT_METADATA_KLASS);
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/* only select color space converter */
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if (strstr (klass, "Colorspace") &&
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strstr (klass, "Converter") &&
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strstr (klass, "Video")) {
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GST_DEBUG_OBJECT (autovideoconvert,
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"gst_auto_video_convert_element_filter found %s",
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gst_plugin_feature_get_name (GST_PLUGIN_FEATURE_CAST (feature)));
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return TRUE;
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}
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return FALSE;
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}
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static GList *
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gst_auto_video_convert_create_factory_list (GstAutoConvert * autoconvert)
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{
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GList *result = NULL;
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/* get the feature list using the filter */
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result = gst_registry_feature_filter (gst_registry_get (),
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(GstPluginFeatureFilter) gst_auto_video_convert_element_filter,
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FALSE, autoconvert);
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/* sort on rank and name */
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result = g_list_sort (result, gst_plugin_feature_rank_compare_func);
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return result;
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}
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static void
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gst_auto_video_convert_class_init (GstAutoVideoConvertClass * klass)
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{
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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((GstAutoConvertClass *) klass)->load_factories =
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gst_auto_video_convert_create_factory_list;
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GST_DEBUG_CATEGORY_INIT (autovideoconvert_debug, "autovideoconvert", 0,
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"Auto color space converter");
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gst_element_class_set_static_metadata (gstelement_class,
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"Select color space converter and scalers based on caps",
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"Bin/Colorspace/Scale/Video/Converter",
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"Selects the right color space converter based on the caps",
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"Benjamin Gaignard <benjamin.gaignard@stericsson.com>");
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}
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static void
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gst_auto_video_convert_init (GstAutoVideoConvert * autovideoconvert)
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{
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}
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