guix/gnu/packages/patches/mediastreamer2-srtp2.patch

From 97903498364ae2596e790cb2c2ce9ac76c04d64a Mon Sep 17 00:00:00 2001
From: Danmei Chen <danmei.chen@belledonne-communications.com>
Date: Fri, 19 Jan 2018 10:04:07 +0100
Subject: [PATCH] add compability with srtp2

---
 cmake/FindSRTP.cmake    | 24 ++++++++++++++++++++----
 src/CMakeLists.txt      |  1 +
 src/crypto/ms_srtp.c    | 10 ++--------
 src/utils/srtp_prefix.h | 41 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 12 deletions(-)
 create mode 100644 src/utils/srtp_prefix.h

diff --git a/cmake/FindSRTP.cmake b/cmake/FindSRTP.cmake
index 988b846a..f720ce7e 100644
--- a/cmake/FindSRTP.cmake
+++ b/cmake/FindSRTP.cmake
@@ -31,20 +31,36 @@ set(_SRTP_ROOT_PATHS
 )
 
 find_path(SRTP_INCLUDE_DIRS
-	NAMES srtp/srtp.h
+	NAMES srtp2/srtp.h
 	HINTS _SRTP_ROOT_PATHS
 	PATH_SUFFIXES include
 )
 
 if(SRTP_INCLUDE_DIRS)
 	set(HAVE_SRTP_SRTP_H 1)
-endif()
-
-find_library(SRTP_LIBRARIES
+	set(SRTP_VERSION 2)
+	find_library(SRTP_LIBRARIES
+		NAMES srtp2
+		HINTS ${_SRTP_ROOT_PATHS}
+		PATH_SUFFIXES bin lib
+	)
+else()
+	find_path(SRTP_INCLUDE_DIRS
+		NAMES srtp/srtp.h
+		HINTS _SRTP_ROOT_PATHS
+		PATH_SUFFIXES include
+	)
+	if(SRTP_INCLUDE_DIRS)
+		set(HAVE_SRTP_SRTP_H 1)
+		set(SRTP_VERSION 1)
+	endif()
+	find_library(SRTP_LIBRARIES
 	NAMES srtp
 	HINTS ${_SRTP_ROOT_PATHS}
 	PATH_SUFFIXES bin lib
 )
+endif()
+
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(SRTP
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index da429764..c46faa62 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -183,6 +183,7 @@ set(VOIP_SOURCE_FILES_C
 	utils/pcap_sender.c
 	utils/pcap_sender.h
 	utils/stream_regulator.c
+	utils/srtp_prefix.h
 	voip/audioconference.c
 	voip/audiostream.c
 	voip/bandwidthcontroller.c
diff --git a/src/crypto/ms_srtp.c b/src/crypto/ms_srtp.c
index 5a510c99..67810316 100644
--- a/src/crypto/ms_srtp.c
+++ b/src/crypto/ms_srtp.c
@@ -25,6 +25,7 @@
 #include "mediastreamer2/ms_srtp.h"
 #include "mediastreamer2/mediastream.h"
 
+
 #ifdef HAVE_SRTP
 
 /*srtp defines all this stuff*/
@@ -34,13 +35,7 @@
 #undef PACKAGE_TARNAME
 #undef PACKAGE_VERSION
 
-#if defined(MS2_WINDOWS_PHONE)
-// Windows phone doesn't use make install
-#include <srtp.h>
-#else
-#include <srtp/srtp.h>
-#endif
-
+#include "srtp_prefix.h"
 
 #include "ortp/b64.h"
 
@@ -352,7 +347,6 @@ int ms_srtp_init(void)
 			srtp_init_done++;
 		}else{
 			ms_fatal("Couldn't initialize SRTP library: %d.", st);
-			err_reporting_init("mediastreamer2");
 		}
 	}else srtp_init_done++;
 	return (int)st;
diff --git a/src/utils/srtp_prefix.h b/src/utils/srtp_prefix.h
new file mode 100644
index 00000000..68bde496
--- /dev/null
+++ b/src/utils/srtp_prefix.h
@@ -0,0 +1,41 @@
+/*
+  mediastreamer2 library - modular sound and video processing and streaming
+  Copyright (C) 2006-2014 Belledonne Communications, Grenoble
+
+  This library 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.
+
+  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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser 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 __SRTP2_H__
+#define __SRTP2_H__
+
+#if defined(MS2_WINDOWS_PHONE)
+// Windows phone doesn't use make install
+#include <srtp.h>
+#elif SRTP_VERSION==1
+#include <srtp/srtp.h>
+#else
+#include <srtp2/srtp.h>
+#define err_status_t srtp_err_status_t
+#define err_status_ok srtp_err_status_ok
+#define crypto_policy_t srtp_crypto_policy_t
+#define crypto_policy_set_aes_cm_256_hmac_sha1_80 srtp_crypto_policy_set_aes_cm_256_hmac_sha1_80
+#define crypto_policy_set_aes_cm_128_hmac_sha1_32 srtp_crypto_policy_set_aes_cm_128_hmac_sha1_32
+#define crypto_policy_set_aes_cm_128_null_auth srtp_crypto_policy_set_aes_cm_128_null_auth
+#define crypto_policy_set_null_cipher_hmac_sha1_80 srtp_crypto_policy_set_null_cipher_hmac_sha1_80
+#define crypto_policy_set_aes_cm_128_hmac_sha1_80 srtp_crypto_policy_set_aes_cm_128_hmac_sha1_80
+#define crypto_policy_set_aes_cm_256_hmac_sha1_32 srtp_crypto_policy_set_aes_cm_256_hmac_sha1_32
+#define ssrc_t srtp_ssrc_t
+#endif
+
+#endif
-- 
2.21.0