fixing some rust environment issues for the shell

Updated a lot of things to include ffmpeg_6-full so that we can use
some of the latest ffmpeg features and include ffmpeg-next in our rust
project.

Then some of the environment pieces were missing for ffmpeg-next to build.

Cargo.lock

@@ -8,6 +8,26 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "bindgen"
+version = "0.64.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4243e6031260db77ede97ad86c27e501d646a27ab57b59a574f725d98ab1fb4"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -23,6 +43,15 @@ dependencies = [
  "jobserver",
 ]
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -38,6 +67,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "clang-sys"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -236,6 +276,31 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
+[[package]]
+name = "ffmpeg-next"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8af03c47ad26832ab3aabc4cdbf210af3d3b878783edd5a7ba044ba33aab7a60"
+dependencies = [
+ "bitflags",
+ "ffmpeg-sys-next",
+ "libc",
+]
+
+[[package]]
+name = "ffmpeg-sys-next"
+version = "6.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf650f461ccf130f4eef4927affed703cc387b183bfc4a7dfee86a076c131127"
+dependencies = [
+ "bindgen",
+ "cc",
+ "libc",
+ "num_cpus",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.8"
@@ -247,12 +312,27 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hermit-abi"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.2"
@@ -287,12 +367,34 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
 [[package]]
 name = "libc"
 version = "0.2.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
 
+[[package]]
+name = "libloading"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
+dependencies = [
+ "cfg-if",
+ "winapi",
+]
+
 [[package]]
 name = "libre-presenter"
 version = "0.1.0"
@@ -304,6 +406,7 @@ dependencies = [
  "cxx-qt-build",
  "cxx-qt-lib",
  "dirs",
+ "ffmpeg-next",
  "serde",
  "serde_derive",
 ]
@@ -345,12 +448,34 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
+[[package]]
+name = "pkg-config"
+version = "0.3.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.47"
@@ -399,6 +524,27 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "regex"
+version = "1.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "ryu"
 version = "1.0.12"
@@ -440,6 +586,12 @@ dependencies = [
  "yaml-rust",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
+
 [[package]]
 name = "syn"
 version = "1.0.105"
@@ -498,6 +650,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "versions"
 version = "4.1.0"

Cargo.toml

@@ -22,7 +22,7 @@ cxx-qt = "0.5.0"
 cxx-qt-lib = "0.5.0"
 # home = "0.5.4"
 dirs = "5.0.0"
-# ffmpeg-the-third = "1.2.2"
+ffmpeg-next = "6.0.0"
 
 # cxx-qt-build generates C++ code from the `#[cxx_qt::bridge]` module
 # and compiles it together with the Rust static library

flake.lock

@@ -86,11 +86,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1679172431,
+        "lastModified": 1680213900,
-        "narHash": "sha256-XEh5gIt5otaUbEAPUY5DILUTyWe1goAyeqQtmwaFPyI=",
+        "narHash": "sha256-cIDr5WZIj3EkKyCgj/6j3HBH4Jj1W296z7HTcWj1aMA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1603d11595a232205f03d46e635d919d1e1ec5b9",
+        "rev": "e3652e0735fbec227f342712f180f4f21f0594f2",
         "type": "github"
       },
       "original": {

shell.nix

@@ -1,13 +1,12 @@
 { pkgs ? import <nixpkgs> { } }:
 with pkgs;
 mkShell rec {
-  name = "presenter-env";
+  name = "presenter";
 
   nativeBuildInputs = [
     gcc
     gnumake
     gdb
-    clang
     qtcreator
     cmake
     extra-cmake-modules
@@ -19,6 +18,8 @@ mkShell rec {
 
   buildInputs = [
     clang-tools
+    clang
+    libclang
     # clang-format
     qt5.qtbase
     qt5.qttools
@@ -39,7 +40,7 @@ mkShell rec {
 
     podofo
     mpv
-    ffmpeg_5-full
+    ffmpeg_6-full
     # yt-dlp
 
     # Rust tools
@@ -52,6 +53,7 @@ mkShell rec {
   ];
   
   RUST_BACKTRACE = 1;
+  LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib";
   # QT_SCALE_FACTOR = 1;
   # This creates the proper qt env so that plugins are found right.
   shellHook = ''