From 3e70af915f80b714c1c885169d1d7c4726354a64 Mon Sep 17 00:00:00 2001
From: Staz M <staz@staz.io>
Date: Thu, 29 Oct 2020 01:10:33 -0400
Subject: [PATCH] Compiling libsrtp inline

---
 .gitmodules               |  3 +++
 CMakeLists.txt            | 25 ++++++-------------------
 deps/libsrtp              |  1 +
 src/dtlssrtptransport.hpp |  2 +-
 4 files changed, 11 insertions(+), 20 deletions(-)
 create mode 160000 deps/libsrtp

diff --git a/.gitmodules b/.gitmodules
index 2396c8f..5b296b7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "deps/json"]
 	path = deps/json
 	url = https://github.com/nlohmann/json.git
+[submodule "deps/libsrtp"]
+	path = deps/libsrtp
+	url = https://github.com/cisco/libsrtp.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index fcc0627..a5ae946 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -161,25 +161,12 @@ if(WIN32)
 	target_link_libraries(datachannel-static PRIVATE wsock32 ws2_32) # winsock2
 endif()
 
-find_package(SRTP)
-if(SRTP_FOUND)
-	if(NOT TARGET SRTP::SRTP)
-		add_library(SRTP::SRTP UNKNOWN IMPORTED)
-		set_target_properties(SRTP::SRTP PROPERTIES
-			INTERFACE_INCLUDE_DIRECTORIES ${SRTP_INCLUDE_DIRS}
-			IMPORTED_LINK_INTERFACE_LANGUAGES C
-			IMPORTED_LOCATION ${SRTP_LIBRARIES})
-	endif()
-	message(STATUS "LibSRTP found, compiling with media transport")
-	target_compile_definitions(datachannel PUBLIC RTC_ENABLE_MEDIA=1)
-	target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_MEDIA=1)
-	target_link_libraries(datachannel PRIVATE SRTP::SRTP)
-	target_link_libraries(datachannel-static PRIVATE SRTP::SRTP)
-else()
-	message(STATUS "LibSRTP NOT found, compiling WITHOUT media transport")
-	target_compile_definitions(datachannel PUBLIC RTC_ENABLE_MEDIA=0)
-	target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_MEDIA=0)
-endif()
+add_subdirectory(deps/libsrtp EXCLUDE_FROM_ALL)
+message(STATUS "LibSRTP found, compiling with media transport")
+target_compile_definitions(datachannel PUBLIC RTC_ENABLE_MEDIA=1)
+target_compile_definitions(datachannel-static PUBLIC RTC_ENABLE_MEDIA=1)
+target_link_libraries(datachannel PRIVATE srtp2)
+target_link_libraries(datachannel-static PRIVATE srtp2)
 
 if (USE_GNUTLS)
 	find_package(GnuTLS REQUIRED)
diff --git a/deps/libsrtp b/deps/libsrtp
new file mode 160000
index 0000000..7d351de
--- /dev/null
+++ b/deps/libsrtp
@@ -0,0 +1 @@
+Subproject commit 7d351de8177b33c96669bb79dc684a8dc64c2483
diff --git a/src/dtlssrtptransport.hpp b/src/dtlssrtptransport.hpp
index 03a9968..579ce29 100644
--- a/src/dtlssrtptransport.hpp
+++ b/src/dtlssrtptransport.hpp
@@ -24,7 +24,7 @@
 
 #if RTC_ENABLE_MEDIA
 
-#include <srtp2/srtp.h>
+#include "srtp.h"
 
 #include <atomic>