gstreamer/ext/sndfile/gstsf.c

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/* GStreamer libsndfile plugin
* Copyright (C) 2003 Andy Wingo <wingo at pobox dot 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstsf.h"
GType
gst_sf_major_types_get_type (void)
{
static GType sf_major_types_type = 0;
static GEnumValue *sf_major_types = NULL;
if (!sf_major_types_type) {
SF_FORMAT_INFO format_info;
int k, count;
sf_command (NULL, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int));
sf_major_types = g_new0 (GEnumValue, count + 1);
for (k = 0; k < count; k++) {
format_info.format = k;
sf_command (NULL, SFC_GET_FORMAT_MAJOR, &format_info,
sizeof (format_info));
sf_major_types[k].value = format_info.format;
sf_major_types[k].value_name = g_strdup (format_info.name);
sf_major_types[k].value_nick = g_strdup (format_info.extension);
/* Irritatingly enough, there exist major_types with the same extension. Let's
just hope that sndfile gives us the list in alphabetical order, as it
currently does. */
if (k > 0
&& strcmp (sf_major_types[k].value_nick,
sf_major_types[k - 1].value_nick) == 0) {
g_free ((gchar *) sf_major_types[k].value_nick);
sf_major_types[k].value_nick =
g_strconcat (sf_major_types[k - 1].value_nick, "-",
sf_major_types[k].value_name, NULL);
g_strcanon ((gchar *) sf_major_types[k].value_nick,
G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
}
}
sf_major_types_type =
g_enum_register_static ("GstSndfileMajorTypes", sf_major_types);
}
return sf_major_types_type;
}
GType
gst_sf_minor_types_get_type (void)
{
static GType sf_minor_types_type = 0;
static GEnumValue *sf_minor_types = NULL;
if (!sf_minor_types_type) {
SF_FORMAT_INFO format_info;
int k, count;
sf_command (NULL, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int));
sf_minor_types = g_new0 (GEnumValue, count + 1);
for (k = 0; k < count; k++) {
format_info.format = k;
sf_command (NULL, SFC_GET_FORMAT_SUBTYPE, &format_info,
sizeof (format_info));
sf_minor_types[k].value = format_info.format;
sf_minor_types[k].value_name = g_strdup (format_info.name);
sf_minor_types[k].value_nick = g_ascii_strdown (format_info.name, -1);
g_strcanon ((gchar *) sf_minor_types[k].value_nick,
G_CSET_a_2_z G_CSET_DIGITS "-", '-');
}
sf_minor_types_type =
g_enum_register_static ("GstSndfileMinorTypes", sf_minor_types);
}
return sf_minor_types_type;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "sfsink", GST_RANK_NONE,
gst_sf_sink_get_type ()))
return FALSE;
if (!gst_element_register (plugin, "sfsrc", GST_RANK_NONE,
gst_sf_src_get_type ()))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"sndfile",
"use libsndfile to read and write audio from and to files",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)