/* GStreamer * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> * * 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 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. */ #include <vorbisenc.h> #include <vorbisdec.h> extern GType vorbisfile_get_type(void); extern GstElementDetails vorbisfile_details; extern GstElementDetails vorbisenc_details; extern GstElementDetails vorbisdec_details; static GstCaps* vorbis_type_find (GstBuffer *buf, gpointer private); GstPadTemplate *gst_vorbisdec_src_template, *gst_vorbisdec_sink_template; GstPadTemplate *gst_vorbisenc_src_template, *gst_vorbisenc_sink_template; static GstCaps* vorbis_caps_factory (void) { return gst_caps_new ( "vorbis_vorbis", "application/x-ogg", NULL); } static GstCaps* raw_caps_factory (void) { return gst_caps_new ( "vorbis_raw", "audio/raw", gst_props_new ( "format", GST_PROPS_STRING ("int"), "law", GST_PROPS_INT (0), "endianness", GST_PROPS_INT (G_BYTE_ORDER), "signed", GST_PROPS_BOOLEAN (TRUE), "width", GST_PROPS_INT (16), "depth", GST_PROPS_INT (16), "rate", GST_PROPS_INT_RANGE (11025, 48000), "channels", GST_PROPS_INT_RANGE (1, 2), NULL)); } static GstCaps* raw_caps2_factory (void) { return gst_caps_new ( "vorbis_raw_float", "audio/raw", gst_props_new ( "format", GST_PROPS_STRING ("float"), "layout", GST_PROPS_STRING ("IEEE"), "rate", GST_PROPS_INT_RANGE (11025, 48000), "channels", GST_PROPS_INT (2), NULL)); } static GstTypeDefinition vorbisdefinition = { "vorbis_audio/x-ogg", "application/x-ogg", ".ogg", vorbis_type_find, }; static GstCaps* vorbis_type_find (GstBuffer *buf, gpointer private) { gulong head = GULONG_FROM_BE (*((gulong *)GST_BUFFER_DATA (buf))); if (head != 0x4F676753) return NULL; return gst_caps_new ("vorbis_type_find", "application/x-ogg", NULL); } static gboolean plugin_init (GModule *module, GstPlugin *plugin) { GstElementFactory *enc, *dec, *file; GstTypeFactory *type; GstCaps *raw_caps, *vorbis_caps, *raw_caps2; gst_plugin_set_longname (plugin, "The OGG Vorbis Codec"); /* create an elementfactory for the vorbisenc element */ enc = gst_element_factory_new ("vorbisenc", GST_TYPE_VORBISENC, &vorbisenc_details); g_return_val_if_fail (enc != NULL, FALSE); raw_caps = raw_caps_factory (); raw_caps2 = raw_caps2_factory (); vorbis_caps = vorbis_caps_factory (); /* register sink pads */ gst_vorbisenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, raw_caps, NULL); gst_element_factory_add_pad_template (enc, gst_vorbisenc_sink_template); /* register src pads */ gst_vorbisenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, vorbis_caps, NULL); gst_element_factory_add_pad_template (enc, gst_vorbisenc_src_template); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (enc)); /* create an elementfactory for the vorbisdec element */ dec = gst_element_factory_new ("vorbisdec", GST_TYPE_VORBISDEC, &vorbisdec_details); g_return_val_if_fail (dec != NULL, FALSE); /* register sink pads */ gst_vorbisdec_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, vorbis_caps, NULL); gst_element_factory_add_pad_template (dec, gst_vorbisdec_sink_template); raw_caps = gst_caps_prepend (raw_caps, raw_caps2); /* register src pads */ gst_vorbisdec_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, raw_caps, NULL); gst_element_factory_add_pad_template (dec, gst_vorbisdec_src_template); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (dec)); /* create an elementfactory for the vorbisfile element */ file = gst_element_factory_new ("vorbisfile", vorbisfile_get_type(), &vorbisfile_details); g_return_val_if_fail(file != NULL, FALSE); gst_element_factory_set_rank (file, GST_ELEMENT_RANK_PRIMARY); /* register sink pads */ gst_element_factory_add_pad_template (file, gst_vorbisdec_sink_template); /* register src pads */ gst_element_factory_add_pad_template (file, gst_vorbisdec_src_template); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (file)); /* this filter needs the bytestream package */ if (!gst_library_load ("gstbytestream")) return FALSE; type = gst_type_factory_new (&vorbisdefinition); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type)); return TRUE; } GstPluginDesc plugin_desc = { GST_VERSION_MAJOR, GST_VERSION_MINOR, "vorbis", plugin_init };