155 lines
3.7 KiB
Nix
155 lines
3.7 KiB
Nix
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{
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lib,
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stdenv,
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fetchFromGitHub,
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writeTextFile,
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pkg-config,
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cmake,
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ninja,
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cargo,
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rustc,
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corrosion,
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rustPlatform,
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gpac,
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protobufc,
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libpng,
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zlib,
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utf8proc,
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freetype,
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ffmpeg,
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libarchive,
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curl,
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libiconv,
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enableOcr ? true,
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leptonica,
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tesseract,
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}:
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stdenv.mkDerivation (finalAttrs: {
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pname = "ccextractor";
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version = "0.94-unstable-2025-05-20";
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src = fetchFromGitHub {
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owner = "CCExtractor";
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repo = "ccextractor";
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rev = "407d0f4e93611c5b0ceb14b7fc01d4a4c2e90433";
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hash = "sha256-BfsQmCNB4HRafqJ3pC2ECiwhOgwKuIqiLjr2/bvHr7Q=";
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};
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patches = [
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./remove-default-commit-hash.patch
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./remove-vendored-libraries.patch
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]
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++ finalAttrs.cargoDeps.vendorStaging.patches;
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cmakeDir = "../src";
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cargoRoot = "src/rust";
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cargoDeps = rustPlatform.fetchCargoVendor {
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inherit (finalAttrs) src cargoRoot;
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patches = [ ./use-rsmpeg-0.15.patch ];
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hash = "sha256-68Y8nzPHxhVIRHoPXOy9tc71177lCBuOf//z3cqyDGQ=";
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};
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nativeBuildInputs = [
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pkg-config
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cmake
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ninja
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cargo
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rustc
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corrosion
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rustPlatform.cargoSetupHook
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rustPlatform.bindgenHook
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];
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buildInputs = [
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gpac
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protobufc
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libpng
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zlib
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utf8proc
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freetype
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ffmpeg
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libarchive
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curl
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libiconv
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]
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++ lib.optionals enableOcr [
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leptonica
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tesseract
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];
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cmakeFlags = [
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# The tests are all part of one `cargo test` invocation, so let’s
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# get the output from it.
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(lib.cmakeFeature "CMAKE_CTEST_ARGUMENTS" "--verbose")
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# TODO: This (and the corresponding patch) should probably be
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# removed for the next stable release.
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(lib.cmakeFeature "GIT_COMMIT_HASH" finalAttrs.src.rev)
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]
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++ lib.optionals enableOcr [
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(lib.cmakeBool "WITH_OCR" true)
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(lib.cmakeBool "WITH_HARDSUBX" true)
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];
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env = {
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FFMPEG_INCLUDE_DIR = "${lib.getDev ffmpeg}/include";
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# Upstream’s FFmpeg binding crate needs an explicit path to a shared
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# object to do dynamic linking. The key word is *an* explicit path;
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# they don’t support passing more than one. This linker script hack
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# pulls in all the FFmpeg libraries they bind to.
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#
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# See: <https://github.com/CCExtractor/rusty_ffmpeg/pull/69>
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FFMPEG_DLL_PATH =
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let
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ffmpegLibNames = [
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"avcodec"
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"avdevice"
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"avfilter"
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"avformat"
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"avutil"
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"swresample"
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"swscale"
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];
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ffmpegLibDir = "${lib.getLib ffmpeg}/lib";
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ffmpegLibExt = stdenv.hostPlatform.extensions.library;
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ffmpegLibPath = ffmpegLibName: "${ffmpegLibDir}/lib${ffmpegLibName}.${ffmpegLibExt}";
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ffmpegLinkerScript = writeTextFile {
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name = "ccextractor-ffmpeg-linker-script";
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destination = "/lib/ffmpeg.ld";
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text = "INPUT(${lib.concatMapStringsSep " " ffmpegLibPath ffmpegLibNames})";
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};
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in
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"${ffmpegLinkerScript}/lib/ffmpeg.ld";
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};
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doCheck = true;
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postPatch = lib.optionalString enableOcr ''
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substituteInPlace src/lib_ccx/ocr.c \
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--replace-fail 'getenv("TESSDATA_PREFIX")' '"${tesseract}/share"'
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'';
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meta = {
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homepage = "https://www.ccextractor.org/";
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changelog = "${finalAttrs.src.meta.homepage}/blob/${finalAttrs.src.rev}/docs/CHANGES.TXT";
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description = "Tool that produces subtitles from closed caption data in videos";
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longDescription = ''
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A tool that analyzes video files and produces independent subtitle files from
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closed captions data. CCExtractor is portable, small, and very fast.
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It works on Linux, Windows, and OSX.
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'';
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platforms = lib.platforms.unix;
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sourceProvenance = [ lib.sourceTypes.fromSource ];
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license = lib.licenses.gpl2Only;
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maintainers = [ lib.maintainers.emily ];
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mainProgram = "ccextractor";
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};
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})
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