gst/rtsp/base64.*: Commit missing files for base64 encoding.

Original commit message from CVS:
* gst/rtsp/base64.c: (util_base64_encode):
* gst/rtsp/base64.h:
Commit missing files for base64 encoding.

2 files changed, 101 insertions, 0 deletions

diff --git a/gst/rtsp/base64.c b/gst/rtsp/base64.c
new file mode 100644
index 000000000..171e09ade
--- /dev/null
+++ b/gst/rtsp/base64.c
@@ -0,0 +1,70 @@
+/* GStreamer
+ * Copyright (C) <2007> Mike Smith <msmith@xiph.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 "base64.h"
+
+static char base64table[64] = {
+  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+      'P',
+  'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e',
+      'f',
+  'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
+      'v',
+  'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
+};
+
+/* This isn't efficient, but it doesn't need to be */
+gchar *
+util_base64_encode (gchar * data, gint len)
+{
+  gchar *out = g_malloc (len * 4 / 3 + 4);
+  gchar *result = out;
+  int chunk;
+
+  while (len > 0) {
+    chunk = (len > 3) ? 3 : len;
+    *out++ = base64table[(*data & 0xFC) >> 2];
+    *out++ = base64table[((*data & 0x03) << 4) | ((*(data + 1) & 0xF0) >> 4)];
+    switch (chunk) {
+      case 3:
+        *out++ =
+            base64table[((*(data + 1) & 0x0F) << 2) | ((*(data +
+                        2) & 0xC0) >> 6)];
+        *out++ = base64table[(*(data + 2)) & 0x3F];
+        break;
+      case 2:
+        *out++ = base64table[((*(data + 1) & 0x0F) << 2)];
+        *out++ = '=';
+        break;
+      case 1:
+        *out++ = '=';
+        *out++ = '=';
+        break;
+    }
+    data += chunk;
+    len -= chunk;
+  }
+  *out = 0;
+
+  return result;
+}
diff --git a/gst/rtsp/base64.h b/gst/rtsp/base64.h
new file mode 100644
index 000000000..4efebb650
--- /dev/null
+++ b/gst/rtsp/base64.h
@@ -0,0 +1,31 @@
+/* GStreamer
+ * Copyright (C) <2007> Mike Smith <msmith@xiph.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.
+ */
+
+#ifndef __BASE64_H__
+#define __BASE64_H__
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+gchar *util_base64_encode(gchar *data, gint len);
+
+G_END_DECLS
+
+#endif