From e9dea59f16d49e4fa03aa10447c8f4f7e902de76 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Wed, 3 Sep 2008 04:44:58 +0000 Subject: Implement Realmedia/RTSP-compatible SETUP command. This includes calculation of the "RealChallenge2" response, which is some sort of authentication. See discussion in "Realmedia patch" thread on ffmpeg-devel. Originally committed as revision 15170 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/rdt.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libavformat/rdt.h (limited to 'libavformat/rdt.h') diff --git a/libavformat/rdt.h b/libavformat/rdt.h new file mode 100644 index 0000000000..f7aad6dfc9 --- /dev/null +++ b/libavformat/rdt.h @@ -0,0 +1,40 @@ +/* + * Realmedia RTSP (RDT) definitions + * Copyright (c) 2007 Ronald S. Bultje + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVFORMAT_RDT_H +#define AVFORMAT_RDT_H + +/** + * Calculate the response (RealChallenge2 in the RTSP header) to the + * challenge (RealChallenge1 in the RTSP header from the Real/Helix + * server), which is used as some sort of client validation. + * + * @param response pointer to response buffer, it should be at least 41 bytes + * (40 data + 1 zero) bytes long. + * @param chksum pointer to buffer containing a checksum of the response, + * it should be at least 9 (8 data + 1 zero) bytes long. + * @param challenge pointer to the RealChallenge1 value provided by the + * server. + */ +void ff_rdt_calc_response_and_checksum(char response[41], char chksum[9], + const char *challenge); + +#endif /* AVFORMAT_RDT_H */ -- cgit v1.2.3