[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/conanfile.py

@@ -0,0 +1,55 @@
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.gnu import PkgConfig
+from conan.tools.system import package_manager
+
+required_conan_version = ">=1.50.0"
+
+
+class SysConfigVAAPIConan(ConanFile):
+    name = "vaapi"
+    version = "system"
+    description = "VA-API is an open-source library and API specification, which provides access to graphics hardware acceleration capabilities for video processing."
+    topics = ("hwaccel", "video")
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://01.org/linuxmedia/vaapi"
+    license = "MIT"
+    package_type = "shared-library"
+    settings = "os", "arch", "compiler", "build_type"
+
+    def layout(self):
+        pass
+
+    def package_id(self):
+        self.info.clear()
+
+    def validate(self):
+        if self.settings.os not in ["Linux", "FreeBSD"]:
+            raise ConanInvalidConfiguration("This recipe supports only Linux and FreeBSD")
+
+    def system_requirements(self):
+        dnf = package_manager.Dnf(self)
+        dnf.install(["libva-devel"], update=True, check=True)
+
+        yum = package_manager.Yum(self)
+        yum.install(["libva-devel"], update=True, check=True)
+
+        apt = package_manager.Apt(self)
+        apt.install(["libva-dev"], update=True, check=True)
+
+        pacman = package_manager.PacMan(self)
+        pacman.install(["libva"], update=True, check=True)
+
+        zypper = package_manager.Zypper(self)
+        zypper.install(["libva-devel"], update=True, check=True)
+
+        pkg = package_manager.Pkg(self)
+        pkg.install(["libva"], update=True, check=True)
+
+    def package_info(self):
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            for name in ['libva', 'libva-x11', 'libva-drm']:
+                pkg_config = PkgConfig(self, name)
+                self.cpp_info.components[name].includedirs = []
+                self.cpp_info.components[name].libdirs = []
+                pkg_config.fill_cpp_info(self.cpp_info.components[name])