[DO-971] ffmpeg recipe with requirements (!9)

Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/9

recipes/vaapi/all/test_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES C)
+
+find_package(xorg REQUIRED CONFIG)
+find_package(vaapi REQUIRED CONFIG)
+
+add_executable(test_package test_package.c)
+target_link_libraries(test_package PRIVATE vaapi::vaapi xorg::xorg)

recipes/vaapi/all/test_package/conanfile.py

@@ -0,0 +1,27 @@
+import os
+
+from conan import ConanFile
+from conan.tools.build import cross_building
+from conan.tools.cmake import CMake, cmake_layout
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "CMakeToolchain", "CMakeDeps", "VirtualBuildEnv", "VirtualRunEnv"
+    requires = ("xorg/system",)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not cross_building(self):
+            cmd = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(cmd, env="conanrun")

recipes/vaapi/all/test_package/test_package.c

@@ -0,0 +1,38 @@
+#include <va/va.h>
+#include <va/va_x11.h>
+
+#include <X11/Xlib.h>
+
+#include <stdio.h>
+
+int main()
+{
+    VADisplay va_display;
+    VAStatus status;
+    int major, minor;
+    Display * display = XOpenDisplay(NULL);
+    if (!display)
+    {
+        printf("XOpenDisplay failed!\n");
+        return 0;
+    }
+    va_display = vaGetDisplay(display);
+    if (!va_display)
+    {
+        XCloseDisplay(display);
+        printf("vaGetDisplay failed\n");
+        return 0;
+    }
+    status = vaInitialize(va_display, &major, &minor);
+    if (status == VA_STATUS_SUCCESS)
+        printf("va version %d.%d\n", major, minor);
+    else
+    {
+        XCloseDisplay(display);
+        printf("vaInitialize failed\n");
+        return 0;
+    }
+    vaTerminate(va_display);
+    XCloseDisplay(display);
+    return 0;
+}