[libsrt]Add new port. (#8712)

* [libsrt]Add new port.

* [libsrt]Add patch.

* [libsrt]Does not support uwp.

* [libsrt]Remove usless blank line.

ports/libsrt/CONTROL

@@ -0,0 +1,8 @@
+Source: libsrt
+Version: 1.3.4
+Description: Secure Reliable Transport (SRT) is an open source transport technology that optimizes streaming performance across unpredictable networks, such as the Internet.
+Homepage: https://github.com/Haivision/srt
+Build-Depends: openssl, pthreads (windows)
+
+Feature: tool
+Description: Builds libsrt executable

ports/libsrt/fix-dependency-install.patch

@@ -0,0 +1,74 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index ec91d08..f19d28d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -234,6 +234,10 @@ if (ENABLE_ENCRYPTION)
+ 		# fall back to find_package method otherwise
+ 		if (USE_OPENSSL_PC)
+ 			pkg_check_modules(SSL ${SSL_REQUIRED_MODULES})
++        else()
++            find_package(OpenSSL REQUIRED)
++            set(SSL_FOUND ${OpenSSL_FOUND})
++            set(SSL_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
+ 		endif()
+ 		if (SSL_FOUND)
+ 			# We have some cases when pkg-config is improperly configured
+@@ -438,7 +442,7 @@ elseif (WIN32 AND NOT MINGW)
+ 		message(FATAL_ERROR "Failed to find pthread.h. Specify PTHREAD_INCLUDE_DIR.")
+ 	endif()
+ 
+-	find_library(PTHREAD_LIBRARY NAMES pthread pthread_dll pthread_lib HINTS C:/pthread-win32/lib C:/pthread-win64/lib)
++	find_library(PTHREAD_LIBRARY NAMES pthreadVC3 REQUIRED)
+ 	if (PTHREAD_LIBRARY)
+ 		message(STATUS "Pthread library: ${PTHREAD_LIBRARY}")
+ 	else()
+@@ -637,6 +641,7 @@ if (ENABLE_SHARED)
+ 	target_compile_definitions(srt_virtual PUBLIC -DSRT_DYNAMIC) 
+ 	target_compile_definitions(haicrypt_virtual PRIVATE -DHAICRYPT_EXPORTS)
+ endif()
++target_link_libraries(haicrypt_virtual PRIVATE ${SSL_LIBRARIES})
+ 
+ if (srt_libspec_shared)
+ if (MICROSOFT)
+@@ -650,6 +655,7 @@ set (INSTALL_SHARED_DIR ${CMAKE_INSTALL_LIBDIR})
+ if (CYGWIN)
+ 	set (INSTALL_SHARED_DIR ${CMAKE_INSTALL_BINDIR})
+ endif()
++set(CMAKE_INSTALL_INCLUDEDIR include)
+ 
+ message(STATUS "INSTALL DIRS: bin=${CMAKE_INSTALL_BINDIR} lib=${CMAKE_INSTALL_LIBDIR} shlib=${INSTALL_SHARED_DIR} include=${CMAKE_INSTALL_INCLUDEDIR}")
+ 
+@@ -730,7 +736,7 @@ macro(srt_add_program name)
+ 	add_executable(${name} ${ARGN})
+ 	target_include_directories(${name} PRIVATE apps)
+ 	target_include_directories(${name} PRIVATE common)
+-	install(TARGETS ${name} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
++	install(TARGETS ${name} RUNTIME DESTINATION tools)
+ endmacro()
+ 
+ macro(srt_make_application name)
+@@ -769,7 +775,7 @@ endmacro()
+ macro(srt_add_application name) # ARGN=sources...
+ 	srt_add_program(${name} apps/${name}.cpp ${ARGN})
+ 	srt_make_application(${name})
+-	install(TARGETS ${name} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
++	install(TARGETS ${name} RUNTIME DESTINATION tools)
+ endmacro()
+ 
+ ## FIXME: transmitmedia.cpp does not build on OpenBSD
+@@ -923,7 +929,7 @@ if (ENABLE_UNITTESTS AND ENABLE_CXX11)
+ endif()
+ 
+ 
+-install(PROGRAMS scripts/srt-ffplay DESTINATION ${CMAKE_INSTALL_BINDIR})
++install(PROGRAMS scripts/srt-ffplay DESTINATION tools)
+ 
+ 
+ if (DEFINED SRT_EXTRA_APPS_INC)
+@@ -939,5 +945,5 @@ if ( ENABLE_SUFLIP )
+ 	)
+ 	srt_add_program(suflip ${SOURCES_suflip})
+ 	target_link_libraries(suflip ${srt_link_library})
+-	install(TARGETS suflip RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
++	install(TARGETS suflip RUNTIME DESTINATION tools)
+ endif ()

ports/libsrt/portfile.cmake

@@ -0,0 +1,41 @@
+vcpkg_fail_port_install(ON_TARGET "UWP")
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO Haivision/srt
+    REF v1.3.4
+    SHA512 3a9f9a8fd8ba56ae9ca04203bdea9e9a25275e1f531ca10deee0e760e6beaf44e83ee7a616cfe3ade9676082d9cc8611214de876f64d141e1e8c3b1e16273001
+    HEAD_REF master
+    PATCHES fix-dependency-install.patch
+)
+
+if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+    set(BUILD_DYNAMIC ON)
+    set(BUILD_STATIC OFF)
+else()
+    set(BUILD_DYNAMIC OFF)
+    set(BUILD_STATIC ON)
+endif()
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    tool ENABLE_APPS
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    OPTIONS ${FEATURE_OPTIONS}
+        -DENABLE_SHARED=${BUILD_DYNAMIC}
+        -DENABLE_STATIC=${BUILD_STATIC}
+        -DINSTALL_DOCS=ON
+        -DINSTALL_PKG_CONFIG_MODULE=ON
+        -DENABLE_SUFLIP=OFF # Since there are some file not found, disable this feature
+        -DENABLE_UNITTESTS=OFF
+        -DUSE_OPENSSL_PC=OFF
+)
+
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+# Handle copyright
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)