/* 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)