Add Fluendo MPEG PS and TS demuxers to gst-plugins-bad. This is now dual licensed MPL and LGPL.

Original commit message from CVS:
* configure.ac:
* gst/mpegdemux/Makefile.am:
* gst/mpegdemux/flumpegdemux.c:
* gst/mpegdemux/flutspatinfo.c:
* gst/mpegdemux/flutspatinfo.h:
* gst/mpegdemux/flutspmtinfo.c:
* gst/mpegdemux/flutspmtinfo.h:
* gst/mpegdemux/flutspmtstreaminfo.c:
* gst/mpegdemux/flutspmtstreaminfo.h:
* gst/mpegdemux/gstmpegdefs.h:
* gst/mpegdemux/gstmpegdemux.c:
* gst/mpegdemux/gstmpegdemux.h:
* gst/mpegdemux/gstmpegdesc.c:
* gst/mpegdemux/gstmpegdesc.h:
* gst/mpegdemux/gstmpegtsdemux.c:
* gst/mpegdemux/gstmpegtsdemux.h:
* gst/mpegdemux/gstpesfilter.c:
* gst/mpegdemux/gstpesfilter.h:
* gst/mpegdemux/gstsectionfilter.c:
* gst/mpegdemux/gstsectionfilter.h:
Add Fluendo MPEG PS and TS demuxers to gst-plugins-bad. This
is now dual licensed MPL and LGPL.

1 files changed, 178 insertions, 0 deletions

diff --git a/gst/mpegdemux/gstmpegdesc.c b/gst/mpegdemux/gstmpegdesc.c
new file mode 100644
index 00000000..1bab07ba
--- /dev/null
+++ b/gst/mpegdemux/gstmpegdesc.c
@@ -0,0 +1,178 @@
+ /*
+  * This library is licensed under 2 different licenses and you
+  * can choose to use it under the terms of either one of them. The
+  * two licenses are the MPL 1.1 and the LGPL.
+  *
+  * MPL:
+  *
+  * The contents of this file are subject to the Mozilla Public License
+  * Version 1.1 (the "License"); you may not use this file except in
+  * compliance with the License. You may obtain a copy of the License at
+  * http://www.mozilla.org/MPL/.
+  *
+  * Software distributed under the License is distributed on an "AS IS"
+  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+  * License for the specific language governing rights and limitations
+  * under the License.
+  *
+  * LGPL:
+  *
+  * 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.
+  *
+  * The Original Code is Fluendo MPEG Demuxer plugin.
+  *
+  * The Initial Developer of the Original Code is Fluendo, S.L.
+  * Portions created by Fluendo, S.L. are Copyright (C) 2005
+  * Fluendo, S.L. All Rights Reserved.
+  *
+  * Contributor(s): Wim Taymans <wim@fluendo.com>
+  */
+
+#include <string.h>
+
+#include <gst/gst.h>
+
+#include "gstmpegdesc.h"
+
+void
+gst_mpeg_descriptor_free (GstMPEGDescriptor * desc)
+{
+  g_return_if_fail (desc != NULL);
+
+  g_free (desc);
+}
+
+static guint
+gst_mpeg_descriptor_parse_1 (guint8 * data, guint size)
+{
+  guint8 tag;
+  guint8 length;
+
+  /* need at least 2 bytes for tag and length */
+  if (size < 2)
+    return 0;
+
+  tag = *data++;
+  length = *data++;
+  size -= 2;
+
+  GST_DEBUG ("tag: 0x%02x, length: %d", tag, length);
+
+  if (length > size)
+    return 0;
+
+  return length + 2;;
+}
+
+GstMPEGDescriptor *
+gst_mpeg_descriptor_parse (guint8 * data, guint size)
+{
+  guint8 *current;
+  guint consumed, total, n_desc;
+  GstMPEGDescriptor *result;
+
+  g_return_val_if_fail (data != NULL, NULL);
+
+  current = data;
+  total = 0;
+  n_desc = 0;
+
+  do {
+    consumed = gst_mpeg_descriptor_parse_1 (current, size);
+
+    if (consumed > 0) {
+      current += consumed;
+      total += consumed;
+      size -= consumed;
+      n_desc++;
+    }
+  }
+  while (consumed > 0);
+
+  GST_DEBUG ("parsed %d descriptors", n_desc);
+
+  if (total == 0)
+    return NULL;
+
+  result = g_malloc (sizeof (GstMPEGDescriptor) + total);
+  result->n_desc = n_desc;
+  result->data_length = total;
+  result->data = ((guint8 *) result) + sizeof (GstMPEGDescriptor);
+
+  memcpy (result->data, data, total);
+
+  return result;
+}
+
+guint
+gst_mpeg_descriptor_n_desc (GstMPEGDescriptor * desc)
+{
+  g_return_val_if_fail (desc != NULL, 0);
+
+  return desc->n_desc;
+}
+
+guint8 *
+gst_mpeg_descriptor_find (GstMPEGDescriptor * desc, gint tag)
+{
+  gint length;
+  guint8 *current;
+  guint size;
+
+  g_return_val_if_fail (desc != NULL, NULL);
+
+  current = desc->data;
+  length = desc->data_length;
+
+  while (length > 0) {
+    if (DESC_TAG (current) == tag)
+      return current;
+
+    size = DESC_LENGTH (current) + 2;
+
+    current += size;
+    length -= size;
+  }
+  return NULL;
+}
+
+guint8 *
+gst_mpeg_descriptor_nth (GstMPEGDescriptor * desc, guint i)
+{
+  gint length;
+  guint8 *current;
+  guint size;
+
+  g_return_val_if_fail (desc != NULL, NULL);
+
+  if (i > desc->n_desc)
+    return NULL;
+
+  current = desc->data;
+  length = desc->data_length;
+
+  while (length > 0) {
+    if (i == 0)
+      return current;
+
+    size = DESC_LENGTH (current) + 2;
+
+    current += size;
+    length -= size;
+    i--;
+  }
+  return NULL;
+}