diff --git a/Cargo.lock b/Cargo.lock
index 50ef834..70c2281 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,32 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "autocfg"
-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"
@@ -43,15 +17,6 @@ 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"
@@ -67,17 +32,6 @@ 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"
@@ -94,18 +48,6 @@ version = "3.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5458d9d1a587efaf5091602c59d299696a3877a439c8f6d461a2d3cce11df87a"
 
-[[package]]
-name = "confy"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e37668cb35145dcfaa1931a5f37fde375eeae8068b4c0d2f289da28a270b2d2c"
-dependencies = [
- "directories",
- "serde",
- "serde_yaml",
- "thiserror",
-]
-
 [[package]]
 name = "convert_case"
 version = "0.6.0"
@@ -156,9 +98,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-qt"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7d4a3b9907daf013c9397acb5a71ddf3b2e18a0de73f85a660fe61638883392"
+checksum = "5c93b84cbcbc21fdfa6f93ae0b9b31b47a220ccb8a4afbd0593f0158413b9759"
 dependencies = [
  "cxx-qt-gen",
  "proc-macro2",
@@ -167,9 +109,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-qt-build"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "251a4c873b24d664eb9873b549aa07ad3162259ab02794996f39291c75e6a81c"
+checksum = "f6a7eb0f6cee6d048be1b0dff43d475610da3063d6b89ef37aac4d4813b344aa"
 dependencies = [
  "cc",
  "convert_case",
@@ -183,9 +125,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-qt-gen"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a45da9033b061c35aef2a314b253d578d003f986faccaadb0a8e476d5dfbaa9b"
+checksum = "621747e9417d65eb203c70eb1bc47c7b6cdef84da80409d433b99d39bee63dc6"
 dependencies = [
  "clang-format",
  "convert_case",
@@ -197,9 +139,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-qt-lib"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f45481479bf253b1d15bec29a8766e355150cba10c116e0ad4909ac1d539e12"
+checksum = "dac4f36c156254e4519ffc92925d03d34fc43a6bdda5f64b198c2e09553ec4d4"
 dependencies = [
  "cxx",
  "cxx-build",
@@ -209,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-qt-lib-headers"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7de5660192b973df3fd6f9999b966004308bc29429aea0f4a8dfdcebe7d220b"
+checksum = "83ba3343bcafd6d0beb6cabf9eca9d44ce22914ee334654664b06607a872b808"
 
 [[package]]
 name = "cxxbridge-flags"
@@ -230,33 +172,13 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "directories"
-version = "4.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f51c5d4ddabd36886dd3e1438cb358cdcb0d7c499cb99cb4ac2e38e18b5cb210"
-dependencies = [
- "dirs-sys 0.3.7",
-]
-
 [[package]]
 name = "dirs"
 version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dece029acd3353e3a58ac2e3eb3c8d6c35827a892edc6cc4138ef9c33df46ecd"
 dependencies = [
- "dirs-sys 0.4.0",
-]
-
-[[package]]
-name = "dirs-sys"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
-dependencies = [
- "libc",
- "redox_users",
- "winapi",
+ "dirs-sys",
 ]
 
 [[package]]
@@ -276,31 +198,6 @@ 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"
@@ -312,37 +209,6 @@ 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"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
 [[package]]
 name = "indoc"
 version = "2.0.1"
@@ -367,46 +233,22 @@ 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"
 dependencies = [
  "configparser",
- "confy",
  "cxx",
  "cxx-qt",
  "cxx-qt-build",
  "cxx-qt-lib",
  "dirs",
- "ffmpeg-next",
  "serde",
  "serde_derive",
 ]
@@ -420,12 +262,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "linked-hash-map"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
-
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -448,34 +284,12 @@ 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"
@@ -487,9 +301,9 @@ dependencies = [
 
 [[package]]
 name = "qt-build-utils"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b73eb909f665ef1d83a12cd01609a03c5bb04953c3562672e25855353d92d13"
+checksum = "62085ff4d6faf841dc84e7c98a2d78efe5a7b53e8fc8b232dcbec20613ba3c62"
 dependencies = [
  "thiserror",
  "versions",
@@ -524,33 +338,6 @@ 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"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
-
 [[package]]
 name = "scratch"
 version = "1.0.2"
@@ -574,24 +361,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "serde_yaml"
-version = "0.8.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
-dependencies = [
- "indexmap",
- "ryu",
- "serde",
- "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"
@@ -650,12 +419,6 @@ 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"
@@ -768,12 +531,3 @@ name = "windows_x86_64_msvc"
 version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
-
-[[package]]
-name = "yaml-rust"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
-dependencies = [
- "linked-hash-map",
-]
diff --git a/Cargo.toml b/Cargo.toml
index f909d0b..cd0c3cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,17 +18,17 @@ configparser = "3.0.2"
 serde = "1.0.152"
 serde_derive = "1.0.152"
 cxx = "1.0.83"
-cxx-qt = "0.5.0"
-cxx-qt-lib = "0.5.0"
+cxx-qt = "0.5.1"
+cxx-qt-lib = "0.5.1"
 # home = "0.5.4"
 dirs = "5.0.0"
-ffmpeg-next = "6.0.0"
+# 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
 [build-dependencies]
-cxx-qt-build = "0.5.0"
+cxx-qt-build = "0.5.1"
 
-[dependencies.confy]
-features = ["yaml_conf"]
-default-features = false
+# [dependencies.confy]
+# features = ["yaml_conf"]
+# default-features = false