Add initial monitor screencast portal impl

DmaBuf monitor screencasting through xdg-dekstop-portal-gnome!

Somewhat limited currently, e.g. the cursor is always embedded. But gets
most of the job done.

1 files changed, 216 insertions, 2 deletions

diff --git a/Cargo.lock b/Cargo.lock
index e1a4800c..636cd0d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -295,6 +295,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
 
 [[package]]
+name = "bindgen"
+version = "0.66.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
+dependencies = [
+ "bitflags 2.4.0",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "peeking_take_while",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.31",
+]
+
+[[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -406,6 +426,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
+[[package]]
+name = "cfg-expr"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03915af431787e6ffdcc74c645077518c6b6e01f80b761e0fbbfa288536311b3"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
+[[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -437,6 +476,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "clang-sys"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading 0.7.4",
+]
+
+[[package]]
 name = "clap"
 version = "4.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -498,6 +548,21 @@ dependencies = [
 ]
 
 [[package]]
+name = "convert_case"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
+dependencies = [
+ "unicode-segmentation",
+]
+
+[[package]]
+name = "cookie-factory"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "396de984970346b0d9e93d1415082923c679e5ae5c3ee3dcbd104f5610af126b"
+
+[[package]]
 name = "core-foundation"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -634,7 +699,7 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
 dependencies = [
- "libloading",
+ "libloading 0.8.0",
 ]
 
 [[package]]
@@ -921,6 +986,12 @@ dependencies = [
 ]
 
 [[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"
@@ -1131,6 +1202,12 @@ 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 = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1138,6 +1215,16 @@ checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[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 = "libloading"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d580318f95776505201b28cf98eb1fa5e4be3b689633ba6a3e6cd880ff22d8cb"
@@ -1173,6 +1260,34 @@ dependencies = [
 ]
 
 [[package]]
+name = "libspa"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0434617020ddca18b86067912970c55410ca654cdafd775480322f50b857a8c4"
+dependencies = [
+ "bitflags 2.4.0",
+ "cc",
+ "convert_case",
+ "cookie-factory",
+ "libc",
+ "libspa-sys",
+ "nix 0.26.4",
+ "nom",
+ "system-deps",
+]
+
+[[package]]
+name = "libspa-sys"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3e70ca3f3e70f858ef363046d06178c427b4e0b63d210c95fd87d752679d345"
+dependencies = [
+ "bindgen",
+ "cc",
+ "system-deps",
+]
+
+[[package]]
 name = "libudev-sys"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1368,6 +1483,7 @@ name = "niri"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "async-io",
  "bitflags 2.4.0",
  "clap",
  "directories",
@@ -1376,6 +1492,7 @@ dependencies = [
  "knuffel",
  "logind-zbus",
  "miette",
+ "pipewire",
  "portable-atomic",
  "profiling",
  "sd-notify",
@@ -1615,6 +1732,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14f2252c834a40ed9bb5422029649578e63aa341ac401f74e719dd1afda8394e"
 
 [[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
+[[package]]
 name = "percent-encoding"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1633,6 +1756,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
+name = "pipewire"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2d009c8dd65e890b515a71950f7e4c801523b8894ff33863a40830bf762e9e9"
+dependencies = [
+ "anyhow",
+ "bitflags 2.4.0",
+ "libc",
+ "libspa",
+ "libspa-sys",
+ "nix 0.26.4",
+ "once_cell",
+ "pipewire-sys",
+ "thiserror",
+]
+
+[[package]]
+name = "pipewire-sys"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "890c084e7b737246cb4799c86b71a0e4da536031ff7473dd639eba9f95039f64"
+dependencies = [
+ "bindgen",
+ "libspa-sys",
+ "system-deps",
+]
+
+[[package]]
 name = "pkg-config"
 version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1876,6 +2027,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
+[[package]]
 name = "rustix"
 version = "0.37.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1958,6 +2115,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "serde_spanned"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96426c9936fd7a0124915f9185ea1d20aa9445cc9821142f0a73bc9207a2e186"
+dependencies = [
+ "serde",
+]
+
+[[package]]
 name = "sha1"
 version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1978,6 +2144,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "shlex"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
+
+[[package]]
 name = "signal-hook"
 version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2052,7 +2224,7 @@ dependencies = [
  "input",
  "lazy_static",
  "libc",
- "libloading",
+ "libloading 0.8.0",
  "libseat",
  "nix 0.26.4",
  "once_cell",
@@ -2176,6 +2348,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "system-deps"
+version = "6.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30c2de8a4d8f4b823d634affc9cd2a74ec98c53a756f317e529a48046cbf71f3"
+dependencies = [
+ "cfg-expr",
+ "heck",
+ "pkg-config",
+ "toml",
+ "version-compare",
+]
+
+[[package]]
+name = "target-lexicon"
+version = "0.12.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d0e916b1148c8e263850e1ebcbd046f333e0683c724876bb0da63ea4373dc8a"
+
+[[package]]
 name = "tempfile"
 version = "3.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2270,10 +2461,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "toml"
+version = "0.7.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0a3ab2091e52d7299a39d098e200114a972df0a7724add02a273aa9aada592"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
 name = "toml_datetime"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "toml_edit"
@@ -2282,6 +2488,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
  "indexmap 2.0.0",
+ "serde",
+ "serde_spanned",
  "toml_datetime",
  "winnow",
 ]
@@ -2438,6 +2646,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
+name = "version-compare"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "579a42fc0b8e0c63b76519a339be31bed574929511fa53c1a3acae26eb258f29"
+
+[[package]]
 name = "version_check"
 version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"