gstreamer/ext/xvid/gstxvid.c
Ronald S. Bultje 833a8b579b call xvid_init() only once, and move duplicated code into one place
Original commit message from CVS:
call xvid_init() only once, and move duplicated code into one place
2003-07-29 11:59:09 +00:00

100 lines
2.4 KiB
C

/* GStreamer xvid decoder plugin
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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 <string.h>
#include "gstxviddec.h"
#include "gstxvidenc.h"
gboolean
gst_xvid_init (void)
{
XVID_INIT_PARAM xinit;
gint ret;
static gboolean is_init = FALSE;
/* only init once */
if (is_init == TRUE) {
return TRUE;
}
/* set up xvid initially (function pointers, CPU flags) */
memset(&xinit, 0, sizeof(XVID_INIT_PARAM));
xinit.cpu_flags = 0;
if ((ret = xvid_init(NULL, 0, &xinit, NULL)) != XVID_ERR_OK) {
g_warning("Failed to initialize XviD: %s (%d)",
gst_xvid_error(ret), ret);
return FALSE;
}
if (xinit.api_version != API_VERSION) {
g_warning("Xvid API version mismatch! %d.%d (that's us) != %d.%d (lib)",
(API_VERSION >> 8) & 0xff, API_VERSION & 0xff,
(xinit.api_version >> 8) & 0xff, xinit.api_version & 0xff);
return FALSE;
}
is_init = TRUE;
return TRUE;
}
gchar *
gst_xvid_error (int errorcode)
{
gchar *error;
switch (errorcode) {
case XVID_ERR_FAIL:
error = "Operation failed";
break;
case XVID_ERR_OK:
error = "No error";
break;
case XVID_ERR_MEMORY:
error = "Memory error";
break;
case XVID_ERR_FORMAT:
error = "Invalid format";
break;
default:
error = "Unknown error";
break;
}
return error;
}
static gboolean
plugin_init (GModule *module,
GstPlugin *plugin)
{
return (gst_xviddec_plugin_init(module, plugin) &&
gst_xvidenc_plugin_init(module, plugin));
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"xvid",
plugin_init
};