mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 12:41:05 +00:00
ff1a71edf9
Original commit message from CVS: * gst/rtsp/base64.c: (util_base64_encode): * gst/rtsp/base64.h: Commit missing files for base64 encoding.
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* 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;
|
|
}
|