From cf7212d79d0628eaa3b9f8651814c6603b41cef9 Mon Sep 17 00:00:00 2001
From: Artturi <Artturin@artturin.com>
Date: Thu, 5 Aug 2021 11:25:02 +0300
Subject: [PATCH] ccextractor: enable ocr and hardsub support (#131849)

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 .../video/ccextractor/default.nix             | 39 +++++++++++++++----
 1 file changed, 32 insertions(+), 7 deletions(-)

diff --git a/pkgs/applications/video/ccextractor/default.nix b/pkgs/applications/video/ccextractor/default.nix
index d18ca43cbf70..6e47f96253e2 100644
--- a/pkgs/applications/video/ccextractor/default.nix
+++ b/pkgs/applications/video/ccextractor/default.nix
@@ -1,7 +1,17 @@
-{ lib, stdenv, fetchFromGitHub, pkg-config, cmake
-, glew, glfw3, leptonica, libiconv, tesseract3, zlib }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, pkg-config
+, cmake
+, libiconv
+, zlib
+, enableOcr ? true
+, makeWrapper
+, tesseract4
+, leptonica
+, ffmpeg
+}:
 
-with lib;
 stdenv.mkDerivation rec {
   pname = "ccextractor";
   version = "0.91";
@@ -15,11 +25,20 @@ stdenv.mkDerivation rec {
 
   sourceRoot = "source/src";
 
-  nativeBuildInputs = [ pkg-config cmake ];
+  nativeBuildInputs = [ pkg-config cmake makeWrapper ];
 
-  buildInputs = [ glew glfw3 leptonica tesseract3 zlib ] ++ lib.optional (!stdenv.isLinux) libiconv;
+  buildInputs = [ zlib ]
+    ++ lib.optional (!stdenv.isLinux) libiconv
+    ++ lib.optionals enableOcr [ leptonica tesseract4 ffmpeg ];
 
-  meta = {
+  cmakeFlags = lib.optionals enableOcr [ "-DWITH_OCR=on" "-DWITH_HARDSUBX=on" ];
+
+  postInstall = lib.optionalString enableOcr ''
+    wrapProgram "$out/bin/ccextractor" \
+      --set TESSDATA_PREFIX "${tesseract4}/share/"
+  '';
+
+  meta = with lib; {
     homepage = "https://www.ccextractor.org";
     description = "Tool that produces subtitles from closed caption data in videos";
     longDescription = ''
@@ -28,7 +47,13 @@ stdenv.mkDerivation rec {
       It works on Linux, Windows, and OSX.
     '';
     platforms = platforms.unix;
-    license = licenses.gpl2;
+    # undefined reference to `png_do_expand_palette_rgba8_neon'
+    # undefined reference to `png_riffle_palette_neon'
+    # undefined reference to `png_do_expand_palette_rgb8_neon'
+    # undefined reference to `png_init_filter_functions_neon'
+    # during Linking C executable ccextractor
+    broken = stdenv.isAarch64;
+    license = licenses.gpl2Only;
     maintainers = with maintainers; [ titanous ];
   };
 }