[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/dav1d/all/conandata.yml

@@ -0,0 +1,13 @@
+sources:
+  "1.4.3":
+    url: "http://code.videolan.org/videolan/dav1d/-/archive/1.4.3/dav1d-1.4.3.tar.gz"
+    sha256: "88a023e58d955e0886faf49c72940e0e90914a948a8e60c1326ce3e09e7a6099"
+  "1.4.1":
+    url: "http://code.videolan.org/videolan/dav1d/-/archive/1.4.1/dav1d-1.4.1.tar.gz"
+    sha256: "8d407dd5fe7986413c937b14e67f36aebd06e1fa5cfec679d10e548476f2d5f8"
+  "1.3.0":
+    url: "http://code.videolan.org/videolan/dav1d/-/archive/1.3.0/dav1d-1.3.0.tar.gz"
+    sha256: "6d8be2741c505c47f8f1ced3c9cc427759243436553d01d1acce201f87b39e71"
+  "1.2.1":
+    url: "http://code.videolan.org/videolan/dav1d/-/archive/1.2.1/dav1d-1.2.1.tar.gz"
+    sha256: "4e33eb61ec54c768a16da0cf8fa0928b4c4593f5f804a3c887d4a21c318340b2"

recipes/dav1d/all/conanfile.py

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+from conan import ConanFile
+from conan.tools.apple import fix_apple_shared_install_name
+from conan.tools.env import VirtualBuildEnv
+from conan.tools.files import copy, get, replace_in_file, rm, rmdir
+from conan.tools.layout import basic_layout
+from conan.tools.meson import Meson, MesonToolchain
+from conan.tools.microsoft import is_msvc
+import os
+
+required_conan_version = ">=1.53.0"
+
+
+class Dav1dConan(ConanFile):
+    name = "dav1d"
+    description = "dav1d is a new AV1 cross-platform decoder, open-source, and focused on speed, size and correctness."
+    homepage = "https://www.videolan.org/projects/dav1d.html"
+    topics = ("av1", "codec", "video", "decoding")
+    license = "BSD-2-Clause"
+    url = "https://github.com/conan-io/conan-center-index"
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "bit_depth": ["all", 8, 16],
+        "with_tools": [True, False],
+        "assembly": [True, False],
+        "with_avx512": ["deprecated", True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "bit_depth": "all",
+        "with_tools": True,
+        "assembly": True,
+        "with_avx512": "deprecated",
+    }
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+        if is_msvc(self) and self.settings.build_type == "Debug":
+            # debug builds with assembly often causes linker hangs or LNK1000
+            self.options.assembly = False
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.cppstd")
+        self.settings.rm_safe("compiler.libcxx")
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def package_id(self):
+        del self.info.options.with_avx512
+
+    def validate(self):
+        if self.options.with_avx512 != "deprecated":
+            self.output.warning("The 'with_avx512' option is deprecated and has no effect")
+
+    def build_requirements(self):
+#        self.tool_requires("meson/1.4.0")
+        if self.options.assembly:
+            self.tool_requires("nasm/2.16.01")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        env = VirtualBuildEnv(self)
+        env.generate()
+
+        tc = MesonToolchain(self)
+        tc.project_options["enable_tests"] = False
+        tc.project_options["enable_asm"] = self.options.assembly
+        tc.project_options["enable_tools"] = self.options.with_tools
+        if self.options.bit_depth == "all":
+            tc.project_options["bitdepths"] = "8,16"
+        else:
+            tc.project_options["bitdepths"] = str(self.options.bit_depth)
+        tc.generate()
+
+    def _patch_sources(self):
+        replace_in_file(self, os.path.join(self.source_folder, "meson.build"),
+                              "subdir('doc')", "")
+
+    def build(self):
+        self._patch_sources()
+        meson = Meson(self)
+        meson.configure()
+        meson.build()
+
+    def package(self):
+        copy(self, "COPYING", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        meson = Meson(self)
+        meson.install()
+        rmdir(self, os.path.join(self.package_folder, "lib", "pkgconfig"))
+        rm(self, "*.pdb", os.path.join(self.package_folder, "bin"))
+        rm(self, "*.pdb", os.path.join(self.package_folder, "lib"))
+        fix_apple_shared_install_name(self)
+        fix_msvc_libname(self)
+
+    def package_info(self):
+        self.cpp_info.set_property("pkg_config_name", "dav1d")
+        self.cpp_info.libs = ["dav1d"]
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.extend(["dl", "pthread"])
+
+        # TODO: to remove in conan v2
+        if self.options.with_tools:
+            self.env_info.PATH.append(os.path.join(self.package_folder, "bin"))
+
+def fix_msvc_libname(conanfile, remove_lib_prefix=True):
+    """remove lib prefix & change extension to .lib in case of cl like compiler"""
+    from conan.tools.files import rename
+    import glob
+    if not conanfile.settings.get_safe("compiler.runtime"):
+        return
+    libdirs = getattr(conanfile.cpp.package, "libdirs")
+    for libdir in libdirs:
+        for ext in [".dll.a", ".dll.lib", ".a"]:
+            full_folder = os.path.join(conanfile.package_folder, libdir)
+            for filepath in glob.glob(os.path.join(full_folder, f"*{ext}")):
+                libname = os.path.basename(filepath)[0:-len(ext)]
+                if remove_lib_prefix and libname[0:3] == "lib":
+                    libname = libname[3:]
+                rename(conanfile, filepath, os.path.join(os.path.dirname(filepath), f"{libname}.lib"))

recipes/dav1d/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES C)
+
+find_package(dav1d REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE dav1d::dav1d)

recipes/dav1d/all/test_package/conanfile.py

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+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeToolchain", "CMakeDeps", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/dav1d/all/test_package/test_package.c

@@ -0,0 +1,9 @@
+#include "dav1d/dav1d.h"
+
+#include <stdio.h>
+
+int main()
+{
+    printf("dav1d version: %s\n", dav1d_version());
+    return 0;
+}