--- a/gst_plugins_base/gst-libs/gst/rtsp/gstrtspbase64.c Tue Aug 31 15:30:33 2010 +0300
+++ b/gst_plugins_base/gst-libs/gst/rtsp/gstrtspbase64.c Wed Sep 01 12:16:41 2010 +0100
@@ -32,6 +32,16 @@
#include "gstrtspbase64.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', '+', '/'
+};
+
/**
* gst_rtsp_base64_encode:
* @data: the binary data to encode
@@ -39,19 +49,48 @@
*
* Encode a sequence of binary data into its Base-64 stringified representation.
*
- * Deprecated: Use g_base64_encode()
- *
* Returns: a newly allocated, zero-terminated Base-64 encoded string
* representing @data.
*/
/* This isn't efficient, but it doesn't need to be */
-#ifndef GST_REMOVE_DEPRECATED
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
gchar *
gst_rtsp_base64_encode (const gchar * data, gsize len)
{
- return g_base64_encode ((const guchar *) data, 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;
}
-#endif
/**
* gst_rtsp_base64_decode_ip:
@@ -61,24 +100,51 @@
* Decode the base64 string pointed to by @data in-place. When @len is not #NULL
* it will contain the length of the decoded data.
*/
-/* FIXME: Deprecate this once we depend on GLib 2.20 and
- * use g_base64_decode_inplace then.
- */
void
gst_rtsp_base64_decode_ip (gchar * data, gsize * len)
{
- gint input_length, output_length, state = 0;
- guint save = 0;
+ char dtable[256];
+ int i, j, k = 0, n = strlen (data);
- g_return_if_fail (data != NULL);
+ for (i = 0; i < 255; i++)
+ dtable[i] = 0x80;
+ for (i = 'A'; i <= 'Z'; i++)
+ dtable[i] = 0 + (i - 'A');
+ for (i = 'a'; i <= 'z'; i++)
+ dtable[i] = 26 + (i - 'a');
+ for (i = '0'; i <= '9'; i++)
+ dtable[i] = 52 + (i - '0');
+ dtable['+'] = 62;
+ dtable['/'] = 63;
+ dtable['='] = 0;
- input_length = strlen (data);
+ for (j = 0; j < n; j += 4) {
+ char a[4], b[4];
+
+ for (i = 0; i < 4; i++) {
+ int c = data[i + j];
- g_return_if_fail (input_length > 1);
-
- output_length =
- g_base64_decode_step (data, input_length, (guchar *) data, &state, &save);
-
+ if (dtable[c] & 0x80) {
+ if (len)
+ *len = 0;
+ return;
+ }
+ a[i] = (char) c;
+ b[i] = (char) dtable[c];
+ }
+ data[k++] = (b[0] << 2) | (b[1] >> 4);
+ data[k++] = (b[1] << 4) | (b[2] >> 2);
+ data[k++] = (b[2] << 6) | b[3];
+ i = a[2] == '=' ? 1 : (a[3] == '=' ? 2 : 3);
+ if (i < 3) {
+ data[k] = 0;
+ if (len)
+ *len = k;
+ return;
+ }
+ }
+ data[k] = 0;
if (len)
- *len = output_length;
+ *len = k;
+ return;
}