[avcpp] Add new port (#17716)

* add avcpp port

* add avcpp

* apply code review comments

* update versions

ports/avcpp/0001-remove-problematic-compound-literal.patch

@@ -0,0 +1,14 @@
+diff --git a/src/avutils.h b/src/avutils.h
+index 29c4ae0..3bfaf82 100644
+--- a/src/avutils.h
++++ b/src/avutils.h
+@@ -42,7 +42,7 @@ namespace av {
+ // Basic FFmpeg constants
+ constexpr auto NoPts = static_cast<int64_t>(AV_NOPTS_VALUE);
+ constexpr auto TimeBase = static_cast<int>(AV_TIME_BASE);
+-constexpr auto TimeBaseQ = static_cast<AVRational>(AV_TIME_BASE_Q);
++constexpr auto TimeBaseQ = AVRational{1, AV_TIME_BASE};
+ 
+ 
+ template<typename R, typename T>
+

ports/avcpp/portfile.cmake

@@ -0,0 +1,34 @@
+# avcpp doesn't export any symbols
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO h4tr3d/avcpp
+    REF d1a39cf6e1ccfe78ababe5a65d02d57f1e65bea1
+    SHA512 48eb3bdd8729c9f61c53b152f0bb7283b40d2c8f043a1d6bb4fb1fadb0ceebf754822eeb7fa85edcacbca267eea0999dd9e78e378b04984db6dc25f9a6fab7d0
+    HEAD_REF master
+    PATCHES
+        0001-remove-problematic-compound-literal.patch
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" AVCPP_ENABLE_STATIC)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" AVCPP_ENABLE_SHARED)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH ${SOURCE_PATH}
+    OPTIONS
+        -DAV_ENABLE_STATIC=${AVCPP_ENABLE_STATIC}
+        -DAV_ENABLE_SHARED=${AVCPP_ENABLE_SHARED}
+        -DAV_BUILD_EXAMPLES=OFF
+        -DBUILD_TESTING=OFF
+)
+vcpkg_cmake_install()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/${PORT})
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+
+file(INSTALL ${SOURCE_PATH}/LICENSE.md DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+
+vcpkg_copy_pdbs()

ports/avcpp/vcpkg.json

@@ -0,0 +1,28 @@
+{
+  "name": "avcpp",
+  "version-date": "2021-05-06",
+  "description": "Wrapper for the FFmpeg that simplify usage it from C++ projects.",
+  "homepage": "https://github.com/h4tr3d/avcpp",
+  "dependencies": [
+    {
+      "name": "ffmpeg",
+      "default-features": false,
+      "features": [
+        "avcodec",
+        "avdevice",
+        "avfilter",
+        "avformat",
+        "swresample",
+        "swscale"
+      ]
+    },
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
+}

versions/a-/avcpp.json

@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "aa82b322b6c59cf758147d78664f3d7ce66a77dc",
+      "version-date": "2021-05-06",
+      "port-version": 0
+    }
+  ]
+}

versions/baseline.json

@@ -208,6 +208,10 @@
       "baseline": "20.8.1",
       "port-version": 0
     },
+    "avcpp": {
+      "baseline": "2021-05-06",
+      "port-version": 0
+    },
     "avisynthplus": {
       "baseline": "3.7.0",
       "port-version": 0