Add Annodex elements from Alessendro Decina: skeleton and CMML.

Original commit message from CVS:
* configure.ac:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* ext/Makefile.am:
* ext/annodex/Makefile.am:
* ext/annodex/gstannodex.c:
* ext/annodex/gstannodex.h:
* ext/annodex/gstcmmldec.c:
* ext/annodex/gstcmmldec.h:
* ext/annodex/gstcmmlenc.c:
* ext/annodex/gstcmmlenc.h:
* ext/annodex/gstcmmlparser.c:
* ext/annodex/gstcmmlparser.h:
* ext/annodex/gstcmmltag.c:
* ext/annodex/gstcmmltag.h:
* ext/annodex/gstcmmlutils.c:
* ext/annodex/gstcmmlutils.h:
* ext/annodex/gstskeldec.c:
* ext/annodex/gstskeldec.h:
* ext/annodex/gstskeltag.c:
* ext/annodex/gstskeltag.h:
* tests/check/Makefile.am:
* tests/check/elements/cmmldec.c:
* tests/check/elements/cmmlenc.c:
* tests/check/elements/skeldec.c:
Add Annodex elements from Alessendro Decina: skeleton and CMML.
Includes tests & docs, oh my! Passes Thomas's -good checklist
entirely. Wow.

1 files changed, 164 insertions, 0 deletions

diff --git a/ext/annodex/gstannodex.c b/ext/annodex/gstannodex.c
new file mode 100644
index 00000000..4c325520
--- /dev/null
+++ b/ext/annodex/gstannodex.c
@@ -0,0 +1,164 @@
+/*
+ * gstannodex.c - GStreamer annodex plugin
+ * Copyright (C) 2005 Alessandro Decina
+ * 
+ * Authors:
+ *   Alessandro Decina <alessandro@nnva.org>
+ *
+ * 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 "gstcmmlenc.h"
+#include "gstcmmldec.h"
+#include "gstskeldec.h"
+
+GstClockTime
+gst_annodex_granule_to_time (gint64 granulepos, gint64 granulerate_n,
+    gint64 granulerate_d, guint8 granuleshift)
+{
+  gint64 keyindex, keyoffset;
+  gint64 granulerate;
+  GstClockTime res;
+
+  if (granulepos == -1)
+    return GST_CLOCK_TIME_NONE;
+
+  if (granulepos == 0 || granulerate_n == 0 || granulerate_d == 0)
+    return 0;
+
+  if (granuleshift != 0) {
+    keyindex = granulepos >> granuleshift;
+    keyoffset = granulepos - (keyindex << granuleshift);
+    granulepos = keyindex + keyoffset;
+  }
+
+  /* GST_SECOND / granulerate_n / granulerate_d */
+  granulerate = gst_util_uint64_scale (GST_SECOND,
+      granulerate_n, granulerate_d);
+
+  /* granulepos * granulerate */
+  res = gst_util_uint64_scale (granulepos, granulerate, 1);
+
+  return res;
+}
+
+GValueArray *
+gst_annodex_parse_headers (const gchar * headers)
+{
+  GValueArray *array;
+  GValue val = { 0 };
+  gchar *header_name = NULL;
+  gchar *header_value = NULL;
+  gchar *line, *column, *space, *tmp;
+  gchar **lines;
+  gint i = 0;
+
+  array = g_value_array_new (0);
+  g_value_init (&val, G_TYPE_STRING);
+
+  lines = g_strsplit (headers, "\r\n", 0);
+  line = lines[i];
+  while (line != NULL && *line != '\0') {
+    if (line[0] == '\t' || line[0] == ' ') {
+      /* WSP: continuation line */
+      if (header_value == NULL)
+        /* continuation line without a previous value */
+        goto fail;
+
+      tmp = g_strjoin (" ", header_value, g_strstrip (line), NULL);
+      g_free (header_value);
+      header_value = tmp;
+    } else {
+      if (header_name) {
+        g_value_take_string (&val, header_name);
+        g_value_array_append (array, &val);
+        g_value_take_string (&val, header_value);
+        g_value_array_append (array, &val);
+      }
+      /* search the column starting from line[1] as an header name can't be
+       * empty */
+      column = g_strstr_len (line + 1, strlen (line) - 1, ":");
+      if (column == NULL)
+        /* bad syntax */
+        goto fail;
+
+      if (*(space = column + 1) != ' ')
+        /* bad syntax */
+        goto fail;
+
+      header_name = g_strndup (line, column - line);
+      header_value = g_strdup (space + 1);
+    }
+
+    line = lines[++i];
+  }
+
+  if (header_name) {
+    g_value_take_string (&val, header_name);
+    g_value_array_append (array, &val);
+    g_value_take_string (&val, header_value);
+    g_value_array_append (array, &val);
+  }
+
+  g_value_unset (&val);
+  g_strfreev (lines);
+
+  return array;
+
+fail:
+  GST_WARNING ("could not parse annodex headers");
+  g_free (header_name);
+  g_free (header_value);
+  g_strfreev (lines);
+  g_value_array_free (array);
+  g_value_unset (&val);
+  return NULL;
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+
+  gst_tag_register (GST_TAG_CMML_STREAM, GST_TAG_FLAG_META,
+      GST_TYPE_CMML_TAG_STREAM, "cmml-stream", "annodex CMML stream tag", NULL);
+
+  gst_tag_register (GST_TAG_CMML_HEAD, GST_TAG_FLAG_META,
+      GST_TYPE_CMML_TAG_HEAD, "cmml-head", "annodex CMML head tag", NULL);
+
+  gst_tag_register (GST_TAG_CMML_CLIP, GST_TAG_FLAG_META,
+      GST_TYPE_CMML_TAG_CLIP, "cmml-clip", "annodex CMML clip tag", NULL);
+
+  if (!gst_cmml_enc_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_cmml_dec_plugin_init (plugin))
+    return FALSE;
+
+  if (!gst_skel_dec_plugin_init (plugin))
+    return FALSE;
+
+  return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "annodex",
+    "annodex stream manipulation (info about annodex: http://www.annodex.net)",
+    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)