mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 11:11:08 +00:00
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
#include "mulaw-encode.h"
|
|
#include "mulaw-decode.h"
|
|
|
|
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
#define INT_FORMAT "S16LE"
|
|
#else
|
|
#define INT_FORMAT "S16BE"
|
|
#endif
|
|
|
|
GstStaticPadTemplate mulaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-raw, "
|
|
"format = (string) " INT_FORMAT ", "
|
|
"layout = (string) interleaved, "
|
|
"rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
|
|
);
|
|
|
|
GstStaticPadTemplate mulaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-mulaw, "
|
|
"rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
|
|
);
|
|
|
|
GstStaticPadTemplate mulaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-raw, "
|
|
"format = (string) " INT_FORMAT ", "
|
|
"layout = (string) interleaved, "
|
|
"rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
|
|
);
|
|
|
|
GstStaticPadTemplate mulaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-mulaw, "
|
|
"rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
|
|
);
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
if (!gst_element_register (plugin, "mulawenc",
|
|
GST_RANK_PRIMARY, GST_TYPE_MULAWENC) ||
|
|
!gst_element_register (plugin, "mulawdec",
|
|
GST_RANK_PRIMARY, GST_TYPE_MULAWDEC))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
mulaw,
|
|
"MuLaw audio conversion routines",
|
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|