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/* GStreamer PCM/A-Law conversions
*
* 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 2.1 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 "alaw-encode.h"
#include "alaw-decode.h"
static GstCaps *
alaw_factory (void)
{
return gst_caps_new_simple ("audio/x-alaw",
"rate", GST_TYPE_INT_RANGE, 8000, 192000,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
}
static GstCaps *
linear_factory (void)
{
return gst_caps_new_simple ("audio/x-raw-int",
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
"rate", GST_TYPE_INT_RANGE, 8000, 192000,
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
}
GstPadTemplate *alawenc_src_template, *alawenc_sink_template;
GstPadTemplate *alawdec_src_template, *alawdec_sink_template;
static gboolean
plugin_init (GstPlugin * plugin)
{
GstCaps *alaw_caps, *linear_caps;
alaw_caps = alaw_factory ();
linear_caps = linear_factory ();
alawenc_src_template =
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, alaw_caps);
alawenc_sink_template =
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, linear_caps);
alawdec_src_template =
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, linear_caps);
alawdec_sink_template =
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, alaw_caps);
if (!gst_element_register (plugin, "alawenc",
GST_RANK_NONE, GST_TYPE_ALAW_ENC) ||
!gst_element_register (plugin, "alawdec",
GST_RANK_PRIMARY, GST_TYPE_ALAW_DEC))
return FALSE;
return TRUE;
}
/* FIXME 0.11: merge alaw and mulaw into one plugin? */
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"alaw",
"ALaw audio conversion routines",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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