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ab3379a6ac
Original commit message from CVS: * gst/law/alaw-decode.c: * gst/law/alaw-decode.h: * gst/law/alaw-encode.c: * gst/law/alaw-encode.h: * gst/law/alaw.c: * gst/law/mulaw-conversion.h: Compulsive clean-ups: use boilerplate macros, add debug categories, fix up things to conform to symbol nomenklatura, etc.
82 lines
2.5 KiB
C
82 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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static GstCaps *
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alaw_factory (void)
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{
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return gst_caps_new_simple ("audio/x-alaw",
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"rate", GST_TYPE_INT_RANGE, 8000, 192000,
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"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
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}
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static GstCaps *
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linear_factory (void)
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{
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return gst_caps_new_simple ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"rate", GST_TYPE_INT_RANGE, 8000, 192000,
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"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
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}
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GstPadTemplate *alawenc_src_template, *alawenc_sink_template;
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GstPadTemplate *alawdec_src_template, *alawdec_sink_template;
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GstCaps *alaw_caps, *linear_caps;
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alaw_caps = alaw_factory ();
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linear_caps = linear_factory ();
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alawenc_src_template =
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, alaw_caps);
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alawenc_sink_template =
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, linear_caps);
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alawdec_src_template =
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, linear_caps);
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alawdec_sink_template =
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, alaw_caps);
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if (!gst_element_register (plugin, "alawenc",
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GST_RANK_NONE, 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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