Initial libmediaformatshaper

mediaformatshaper library to amend MediaFormat parameters before
encoding. This is the initial cut of the library.
Disabled by default, enable with "setprop debug.stagefright.enableshaping 1"

Bug: 182827840
Test: build, boot, encode video
Change-Id: I8cefb6ed6ad286ae2192796bf15760e873e0d2f3
diff --git a/media/libmediaformatshaper/Android.bp b/media/libmediaformatshaper/Android.bp
new file mode 100644
index 0000000..731ff4c
--- /dev/null
+++ b/media/libmediaformatshaper/Android.bp
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+// these headers include the structure of needed function pointers
+cc_library_headers {
+    name: "libmediaformatshaper_headers",
+    export_include_dirs: ["include"],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media",
+    ],
+    min_sdk_version: "29",
+    host_supported: true,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
+}
+
+cc_defaults {
+    name: "libmediaformatshaper_defaults",
+    srcs: [
+        "CodecProperties.cpp",
+        "FormatShaper.cpp",
+        "ManageShapingCodecs.cpp",
+        "VideoShaper.cpp",
+        "VQApply.cpp",
+    ],
+
+    local_include_dirs: [
+        "include",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+        "-fvisibility=hidden",
+        "-Wthread-safety",                      // enables GUARDED_BY()
+    ],
+
+    target: {
+        android: {
+            shared_libs: [
+                "libmediandk#29",
+            ],
+        },
+    },
+
+    sanitize: {
+        cfi: true,
+        misc_undefined: [
+            "unsigned-integer-overflow",
+            "signed-integer-overflow",
+        ],
+    },
+}
+
+cc_library {
+    name: "libmediaformatshaper",
+    defaults: ["libmediaformatshaper_defaults"],
+
+    min_sdk_version: "29",
+
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media",
+    ],
+
+    version_script: "exports.lds",
+
+}