From e88984ccbd4b2b7b5527cbc3ff488c5c85bb1e97 Mon Sep 17 00:00:00 2001 From: Vincent Penquerc'h Date: Sun, 15 Feb 2009 18:35:04 +0000 Subject: add new Kate plugin, for Kate overlay streams katedec: Kate decoder (text only) kateenc: Kate encoder (text and DVD SPU only) katetag: Kate tagger kateparse: Kate parser tiger: Kate renderer using the Tiger rendering library Fixes #525743. --- ext/kate/gstkate.c | 150 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 ext/kate/gstkate.c (limited to 'ext/kate/gstkate.c') diff --git a/ext/kate/gstkate.c b/ext/kate/gstkate.c new file mode 100644 index 00000000..5e60d187 --- /dev/null +++ b/ext/kate/gstkate.c @@ -0,0 +1,150 @@ +/* + * GStreamer + * Copyright 2005 Thomas Vander Stichele + * Copyright 2005 Ronald S. Bultje + * Copyright 2008 Vincent Penquerc'h + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Alternatively, the contents of this file may be used under the + * GNU Lesser General Public License Version 2.1 (the "LGPL"), in + * which case the following provisions apply instead of the ones + * mentioned above: + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include + +#include "gstkate.h" +#include "gstkatedec.h" +#include "gstkateenc.h" +#include "gstkateparse.h" +#include "gstkatetag.h" +#ifdef HAVE_TIGER +#include "gstkatetiger.h" +#endif + +GST_DEBUG_CATEGORY (gst_katedec_debug); +GST_DEBUG_CATEGORY (gst_kateenc_debug); +GST_DEBUG_CATEGORY (gst_kateparse_debug); +GST_DEBUG_CATEGORY (gst_katetag_debug); +#ifdef HAVE_TIGER +GST_DEBUG_CATEGORY (gst_katetiger_debug); +#endif + + +static GstStaticCaps kate_caps = GST_STATIC_CAPS (GST_KATE_MIME_TYPE); + +#define KATE_CAPS (gst_static_caps_get(&kate_caps)) +static void +gst_kate_type_find (GstTypeFind * tf, gpointer private) +{ + guint8 *data = gst_type_find_peek (tf, 0, 8); + + if (data) { + if (memcmp (data, "\200kate\0\0\0", 8) != 0) + return; + + gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, KATE_CAPS); + } +} + +/* entry point to initialize the plug-in + * initialize the plug-in itself + * register the element factories and pad templates + * register the features + */ +static gboolean +plugin_init (GstPlugin * plugin) +{ + GstCaps *caps; + + caps = gst_caps_new_simple (GST_KATE_MIME_TYPE, NULL); + if (!gst_type_find_register (plugin, GST_KATE_MIME_TYPE, GST_RANK_PRIMARY, + gst_kate_type_find, NULL, caps, NULL, NULL)) { + GST_WARNING ("kate: failed to register typefind"); + gst_caps_unref (caps); + return FALSE; + } + gst_caps_unref (caps); + + GST_DEBUG_CATEGORY_INIT (gst_katedec_debug, "katedec", 0, "Kate decoder"); + GST_DEBUG_CATEGORY_INIT (gst_kateenc_debug, "kateenc", 0, "Kate encoder"); + GST_DEBUG_CATEGORY_INIT (gst_kateparse_debug, "kateparse", 0, "Kate parser"); + GST_DEBUG_CATEGORY_INIT (gst_katetag_debug, "katetag", 0, "Kate tagger"); +#ifdef HAVE_TIGER + GST_DEBUG_CATEGORY_INIT (gst_katetiger_debug, "tiger", 0, + "Kate Tiger renderer"); +#endif + + /* if we don't build tiger, we'll want to autoplug and convert to text, + but if we do build tiger, we'll want to use it preferentially as it + can play non text streams too */ + if (!gst_element_register (plugin, "katedec", GST_RANK_PRIMARY, + GST_TYPE_KATE_DEC)) + return FALSE; + + if (!gst_element_register (plugin, "kateenc", GST_RANK_NONE, + GST_TYPE_KATE_ENC)) + return FALSE; + + if (!gst_element_register (plugin, "kateparse", GST_RANK_NONE, + GST_TYPE_KATE_PARSE)) + return FALSE; + + if (!gst_element_register (plugin, "katetag", GST_RANK_NONE, + GST_TYPE_KATE_TAG)) + return FALSE; + +#ifdef HAVE_TIGER + if (!gst_element_register (plugin, "tiger", GST_RANK_NONE, + GST_TYPE_KATE_TIGER)) + return FALSE; +#endif + + return TRUE; +} + +/* this is the structure that gstreamer looks for to register plugins + */ +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "kate", + "Kate plugin", + plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) -- cgit v1.2.1