mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* GStreamer
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstpnmdec.h"
|
|
#include "gstpnmenc.h"
|
|
#include "gstpnmutils.h"
|
|
|
|
#include <gst/gstplugin.h>
|
|
#include <gst/gstversion.h>
|
|
#include <gst/gsttypefind.h>
|
|
|
|
#include <string.h>
|
|
|
|
static GstStaticCaps bitmap_caps = GST_STATIC_CAPS (MIME_BM);
|
|
static GstStaticCaps graymap_caps = GST_STATIC_CAPS (MIME_GM);
|
|
static GstStaticCaps pixmap_caps = GST_STATIC_CAPS (MIME_PM);
|
|
|
|
#define BITMAP_CAPS (gst_static_caps_get (&bitmap_caps))
|
|
#define GRAYMAP_CAPS (gst_static_caps_get (&graymap_caps))
|
|
#define PIXMAP_CAPS (gst_static_caps_get (&pixmap_caps))
|
|
|
|
static void
|
|
gst_my_typefind_function (GstTypeFind * tf, gpointer d)
|
|
{
|
|
GstPnmInfoMngrResult r = GST_PNM_INFO_MNGR_RESULT_READING;
|
|
GstPnmInfoMngr mngr = { 0, };
|
|
guint i;
|
|
guint8 *data = NULL;
|
|
|
|
for (i = 0; r == GST_PNM_INFO_MNGR_RESULT_READING; i++) {
|
|
data = gst_type_find_peek (tf, i, 1);
|
|
if (!data)
|
|
break;
|
|
r = gst_pnm_info_mngr_scan (&mngr, data, 1);
|
|
}
|
|
switch (r) {
|
|
case GST_PNM_INFO_MNGR_RESULT_READING:
|
|
case GST_PNM_INFO_MNGR_RESULT_FAILED:
|
|
return;
|
|
case GST_PNM_INFO_MNGR_RESULT_FINISHED:
|
|
switch (mngr.info.type) {
|
|
case GST_PNM_TYPE_BITMAP:
|
|
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, BITMAP_CAPS);
|
|
return;
|
|
case GST_PNM_TYPE_GRAYMAP:
|
|
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, GRAYMAP_CAPS);
|
|
return;
|
|
case GST_PNM_TYPE_PIXMAP:
|
|
gst_type_find_suggest (tf, GST_TYPE_FIND_LIKELY, PIXMAP_CAPS);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
static gchar *exts[] = { "pnm", NULL };
|
|
|
|
if (!gst_type_find_register (plugin, "", GST_RANK_PRIMARY,
|
|
gst_my_typefind_function, exts, gst_caps_from_string (MIME_ALL),
|
|
NULL, NULL))
|
|
return FALSE;
|
|
|
|
if (!gst_element_register (plugin, "pnmdec", GST_RANK_PRIMARY,
|
|
GST_TYPE_PNMDEC))
|
|
return FALSE;
|
|
if (!gst_element_register (plugin, "pnmenc", GST_RANK_PRIMARY,
|
|
GST_TYPE_PNMENC))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "pnm",
|
|
"PNM plugin", plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME,
|
|
GST_PACKAGE_ORIGIN)
|