From 53a431a3239918cd04763879845e09bc87bb8883 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.com>
Date: Thu, 16 Jul 2015 21:28:28 +0100
Subject: [PATCH] dashdemux: remove typefinder, move it to typefindfunctions in
 -base

Otherwise this plugin will be loaded pretty much whenever
there's anything to typefind. And the code was pretty much
copy'n'paste from -base anyway.
---
 ext/dash/gstplugin.c | 91 ++------------------------------------------
 1 file changed, 4 insertions(+), 87 deletions(-)

diff --git a/ext/dash/gstplugin.c b/ext/dash/gstplugin.c
index 908a2e4f49..29f281769c 100644
--- a/ext/dash/gstplugin.c
+++ b/ext/dash/gstplugin.c
@@ -8,98 +8,15 @@
 
 #include "gstdashdemux.h"
 
-#define XML_BUFFER_SIZE 16
-#define XML_INC_BUFFER {                                                \
-  pos++;                                                                \
-  if (pos == XML_BUFFER_SIZE) {                                         \
-    pos = 0;                                                            \
-    offset += XML_BUFFER_SIZE;                                          \
-    data = gst_type_find_peek (tf, offset, XML_BUFFER_SIZE);            \
-    if (data == NULL) return FALSE;                                     \
-  } else {                                                              \
-    data++;                                                             \
-  }                                                                     \
-}
-
 static gboolean
-xml_check_first_element (GstTypeFind * tf, const gchar * element, guint elen,
-    gboolean strict)
+dashdemux_init (GstPlugin * plugin)
 {
-  gboolean got_xmldec;
-  const guint8 *data;
-  guint offset = 0;
-  guint pos = 0;
-
-  data = gst_type_find_peek (tf, 0, XML_BUFFER_SIZE);
-  if (!data)
-    return FALSE;
-
-  /* look for the XMLDec
-   * see XML spec 2.8, Prolog and Document Type Declaration
-   * http://www.w3.org/TR/2004/REC-xml-20040204/#sec-prolog-dtd */
-  got_xmldec = (memcmp (data, "<?xml", 5) == 0);
-
-  if (strict && !got_xmldec)
-    return FALSE;
-
-  /* skip XMLDec in any case if we've got one */
-  if (got_xmldec) {
-    pos += 5;
-    data += 5;
-  }
-
-  /* look for the first element, it has to be the requested element. Bail
-   * out if it is not within the first 4kB. */
-  while (data && (offset + pos) < 4096) {
-    while (*data != '<' && (offset + pos) < 4096) {
-      XML_INC_BUFFER;
-    }
-
-    XML_INC_BUFFER;
-    if (!g_ascii_isalpha (*data)) {
-      /* if not alphabetic, it's a PI or an element / attribute declaration
-       * like <?xxx or <!xxx */
-      XML_INC_BUFFER;
-      continue;
-    }
-
-    /* the first normal element, check if it's the one asked for */
-    data = gst_type_find_peek (tf, offset + pos, elen + 1);
-    return (data && element && strncmp ((char *) data, element, elen) == 0);
-  }
-
-  return FALSE;
-}
-
-/*** application/dash+xml typefind helper ***/
-
-static GstStaticCaps dash_caps = GST_STATIC_CAPS ("application/dash+xml");
-
-#define DASH_CAPS gst_static_caps_get (&dash_caps)
-
-static void
-dash_type_find (GstTypeFind * tf, gpointer unused)
-{
-  if (xml_check_first_element (tf, "MPD", 3, FALSE) ||
-      xml_check_first_element (tf, "mpd", 3, FALSE)) {
-    gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, DASH_CAPS);
-  }
-}
-
-static gboolean
-fragmented_init (GstPlugin * plugin)
-{
-  if (!gst_element_register (plugin, "dashdemux", GST_RANK_PRIMARY,
-          GST_TYPE_DASH_DEMUX) || FALSE)
-    return FALSE;
-  if (!gst_type_find_register (plugin, "application/dash+xml",
-          GST_RANK_SECONDARY, dash_type_find, NULL, DASH_CAPS, NULL, NULL))
-    return FALSE;
-  return TRUE;
+  return gst_element_register (plugin, "dashdemux", GST_RANK_PRIMARY,
+      GST_TYPE_DASH_DEMUX);
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
     GST_VERSION_MINOR,
     dashdemux,
     "DASH demuxer plugin",
-    fragmented_init, VERSION, "LGPL", PACKAGE_NAME, "http://www.gstreamer.org/")
+    dashdemux_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)