[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/flac/all/conanfile.py

@@ -0,0 +1,121 @@
+from conan import ConanFile
+from conan.tools.apple import is_apple_os
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.env import VirtualBuildEnv
+from conan.tools.files import apply_conandata_patches, export_conandata_patches, copy, get, rmdir, replace_in_file
+from conan.tools.scm import Version
+import os
+
+required_conan_version = ">=1.54.0"
+
+
+class FlacConan(ConanFile):
+    name = "flac"
+    description = "Free Lossless Audio Codec"
+    topics = ("flac", "codec", "audio", )
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/xiph/flac"
+    license = ("BSD-3-Clause", "GPL-2.0-or-later", "LPGL-2.1-or-later", "GFDL-1.2")
+
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+    }
+
+    def export_sources(self):
+        export_conandata_patches(self)
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+
+    def requirements(self):
+        self.requires("ogg/1.3.5")
+
+    def build_requirements(self):
+        if Version(self.version) < "1.4.2" and self.settings.arch in ["x86", "x86_64"]:
+            self.tool_requires("nasm/2.15.05")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version],
+            destination=self.source_folder, strip_root=True)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.variables["BUILD_EXAMPLES"] = False
+        tc.variables["BUILD_DOCS"] = False
+        tc.variables["BUILD_PROGRAMS"] = not is_apple_os(self) or self.settings.os == "Macos"
+        tc.variables["BUILD_TESTING"] = False
+        tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0077"] = "NEW"
+        tc.generate()
+        cd = CMakeDeps(self)
+        cd.generate()
+        if self.settings.arch in ["x86", "x86_64"]:
+            envbuild = VirtualBuildEnv(self)
+            envbuild.generate(scope="build")
+
+    def _patch_sources(self):
+        apply_conandata_patches(self)
+        replace_in_file(self, os.path.join(self.source_folder, "src", "share", "getopt", "CMakeLists.txt"),
+                        "find_package(Intl)", "")
+
+    def build(self):
+        self._patch_sources()
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+        copy(self, "COPYING.*", src=self.source_folder,
+                                dst=os.path.join(self.package_folder, "licenses"), keep_path=False)
+        copy(self, "*.h", src=os.path.join(self.source_folder, "include", "share"),
+                          dst=os.path.join(self.package_folder, "include", "share"), keep_path=False)
+        copy(self, "*.h", src=os.path.join(self.source_folder, "include", "share", "grabbag"),
+                          dst=os.path.join(self.package_folder, "include", "share", "grabbag"), keep_path=False)
+        rmdir(self, os.path.join(self.package_folder, "share"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "flac")
+
+        self.cpp_info.components["libflac"].set_property("cmake_target_name", "FLAC::FLAC")
+        self.cpp_info.components["libflac"].set_property("pkg_config_name", "flac")
+        self.cpp_info.components["libflac"].libs = ["FLAC"]
+        self.cpp_info.components["libflac"].requires = ["ogg::ogg"]
+
+        self.cpp_info.components["libflac++"].set_property("cmake_target_name", "FLAC::FLAC++")
+        self.cpp_info.components["libflac++"].set_property("pkg_config_name", "flac++")
+        self.cpp_info.components["libflac++"].libs = ["FLAC++"]
+        self.cpp_info.components["libflac++"].requires = ["libflac"]
+        if not self.options.shared:
+            self.cpp_info.components["libflac"].defines = ["FLAC__NO_DLL"]
+            if self.settings.os in ["Linux", "FreeBSD"]:
+                self.cpp_info.components["libflac"].system_libs += ["m"]
+
+        bin_path = os.path.join(self.package_folder, "bin")
+        self.env_info.PATH.append(bin_path)
+
+        # TODO: to remove in conan v2
+        self.cpp_info.filenames["cmake_find_package"] = "flac"
+        self.cpp_info.filenames["cmake_find_package_multi"] = "flac"
+        self.cpp_info.names["cmake_find_package"] = "FLAC"
+        self.cpp_info.names["cmake_find_package_multi"] = "FLAC"
+        self.cpp_info.components["libflac"].names["cmake_find_package"] = "FLAC"
+        self.cpp_info.components["libflac"].names["cmake_find_package_multi"] = "FLAC"
+        self.cpp_info.components["libflac++"].names["cmake_find_package"] = "FLAC++"
+        self.cpp_info.components["libflac++"].names["cmake_find_package_multi"] = "FLAC++"