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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/* GStreamer PCM/A-Law conversions
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "alaw-encode.h"
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#include "alaw-decode.h"
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define INT_FORMAT "S16LE"
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#else
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#define INT_FORMAT "S16BE"
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#endif
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GstStaticPadTemplate alaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw, "
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"format = (string) " INT_FORMAT ", "
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"rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
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);
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GstStaticPadTemplate alaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-alaw, "
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"rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
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);
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GstStaticPadTemplate alaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw, "
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"format = (string) " INT_FORMAT ", "
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"rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
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);
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GstStaticPadTemplate alaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-alaw, "
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"rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
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);
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "alawenc",
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GST_RANK_PRIMARY, GST_TYPE_ALAW_ENC) ||
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!gst_element_register (plugin, "alawdec",
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GST_RANK_PRIMARY, GST_TYPE_ALAW_DEC))
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return FALSE;
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return TRUE;
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}
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/* FIXME 0.11: merge alaw and mulaw into one plugin? */
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"alaw",
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"ALaw audio conversion routines",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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