mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-14 20:36:32 +00:00
e41e31f2ae
Which can do colorspace conversion if necessary. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/899>
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/* GStreamer
|
|
* Copyright 2023 Igalia S.L.
|
|
* @author: Thibault Saunier <tsaunier@igalia.com>
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include "gstautovideo.h"
|
|
|
|
GST_DEBUG_CATEGORY (autovideo_debug);
|
|
#define GST_CAT_DEFAULT (autovideo_debug)
|
|
|
|
static gboolean
|
|
append_elements (GString * name, GString * bindesc,
|
|
const gchar * const *elements)
|
|
{
|
|
if (!elements) {
|
|
/* Nothing to do. */
|
|
return TRUE;
|
|
}
|
|
|
|
for (gint i = 0; elements[i]; i++) {
|
|
gchar **e = g_strsplit (elements[i], " ", 2);
|
|
GstElementFactory *factory = gst_element_factory_find (g_strchomp (e[0]));
|
|
|
|
if (!factory) {
|
|
GST_DEBUG_OBJECT (NULL, "Factory %s not found: %s", e[0], elements[i]);
|
|
|
|
g_strfreev (e);
|
|
return FALSE;
|
|
}
|
|
|
|
if (name) {
|
|
g_string_append (name, e[0]);
|
|
}
|
|
g_strfreev (e);
|
|
|
|
if (bindesc->len > 0) {
|
|
g_string_append (bindesc, " ! ");
|
|
}
|
|
g_string_append (bindesc, elements[i]);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
register_known_bin (GstBaseAutoConvert * self,
|
|
const gchar * const *first_elements,
|
|
const gchar * const *colorspace_converters,
|
|
const gchar * const *last_elements,
|
|
const gchar * const *filters, GstRank rank)
|
|
{
|
|
GString *name = g_string_new ("autovideoconvert-");
|
|
GString *bindesc = g_string_new ("");
|
|
|
|
if (!append_elements (name, bindesc, first_elements))
|
|
goto abort;
|
|
if (!append_elements (name, bindesc, colorspace_converters))
|
|
goto abort;
|
|
|
|
for (gint i = 0; filters && filters[i]; i++) {
|
|
const gchar *tmp[2] = { filters[i], NULL };
|
|
if (!append_elements (name, bindesc, tmp))
|
|
goto abort;
|
|
if (!append_elements (NULL, bindesc, colorspace_converters))
|
|
goto abort;
|
|
}
|
|
if (!append_elements (name, bindesc, last_elements))
|
|
goto abort;
|
|
|
|
gst_base_auto_convert_register_filter (GST_BASE_AUTO_CONVERT (self),
|
|
g_string_free (name, FALSE), g_string_free (bindesc, FALSE), rank);
|
|
return;
|
|
|
|
abort:
|
|
g_string_free (name, TRUE);
|
|
g_string_free (bindesc, TRUE);
|
|
}
|
|
|
|
|
|
void
|
|
gst_auto_video_register_well_known_bins (GstBaseAutoConvert * self,
|
|
const GstAutoVideoFilterGenerator * gen)
|
|
{
|
|
static gsize gst_auto_video_register_well_known_bins_once = 0;
|
|
|
|
if (g_once_init_enter (&gst_auto_video_register_well_known_bins_once)) {
|
|
GST_DEBUG_CATEGORY_INIT (autovideo_debug, "autovideo", 0, "Auto video");
|
|
g_once_init_leave (&gst_auto_video_register_well_known_bins_once, TRUE);
|
|
}
|
|
|
|
for (gint i = 0; gen[i].colorspace_converters[0] || gen[i].first_elements[0]
|
|
|| gen[i].last_elements[0] || gen[i].filters[0]; i++) {
|
|
register_known_bin (self, gen[i].first_elements,
|
|
gen[i].colorspace_converters, gen[i].last_elements, gen[i].filters,
|
|
gen[i].rank);
|
|
}
|
|
}
|