Fix Linux build: Make the nasm feature a no-op

crates/store/re_video/Cargo.toml

@@ -31,6 +31,7 @@ av1 = ["dep:dav1d"]
 
 ## Enable faster native video decoding with assembly.
 ## You need to install [nasm](https://nasm.us/) to compile with this feature.
+## TODO(#7671): there is a bug that makes this incompatible with arch linux
 nasm = ["dav1d?/default"] # The default feature set of dav1d has asm enabled
 
 [dependencies]

crates/store/re_video/src/decode/av1.rs

@@ -16,14 +16,6 @@ impl SyncDav1dDecoder {
     pub fn new() -> Result<Self> {
         re_tracing::profile_function!();
 
-        if !cfg!(feature = "nasm") {
-            re_log::warn_once!(
-                "NOTE: native AV1 video decoder is running extra slowly. \
-                Speed it up by compiling Rerun with the `nasm` feature enabled. \
-                You'll need to also install nasm: https://nasm.us/"
-            );
-        }
-
         // See https://videolan.videolan.me/dav1d/structDav1dSettings.html for settings docs
         let mut settings = dav1d::Settings::new();
 

crates/top/rerun-cli/Cargo.toml

@@ -43,6 +43,7 @@ default = ["native_viewer", "web_viewer"]
 
 ## Enable faster native video decoding with assembly.
 ## You need to install [nasm](https://nasm.us/) to compile with this feature.
+## TODO(#7671): there is a bug that makes this incompatible with arch linux
 nasm = ["rerun/nasm"]
 
 ## Support spawning a native viewer.

crates/top/rerun/Cargo.toml

@@ -73,6 +73,7 @@ log = ["dep:env_logger", "dep:log"]
 
 ## Enable faster native video decoding with assembly.
 ## You need to install [nasm](https://nasm.us/) to compile with this feature.
+## TODO(#7671): there is a bug that makes this incompatible with arch linux
 nasm = ["re_video/nasm"]
 
 ## Support spawning a native viewer.

pixi.toml

@@ -122,18 +122,18 @@ man = "cargo --quiet run --package rerun-cli --all-features -- man > docs/conten
 # Compile and run the rerun viewer.
 #
 # You can also give an argument for what to view (e.g. an .rrd file).
-rerun = "cargo run --package rerun-cli --no-default-features --features native_viewer,nasm --"
+rerun = "cargo run --package rerun-cli --no-default-features --features native_viewer --"
 
 # Compile `rerun-cli` without the web-viewer.
-rerun-build = "cargo build --package rerun-cli --no-default-features --features native_viewer,nasm"
+rerun-build = "cargo build --package rerun-cli --no-default-features --features native_viewer"
 
 # Compile `rerun-cli` without the web-viewer.
-rerun-build-release = "cargo build --package rerun-cli --release --no-default-features --features native_viewer,nasm"
+rerun-build-release = "cargo build --package rerun-cli --release --no-default-features --features native_viewer"
 
 # Compile and run the rerun viewer with --release.
 #
 # You can also give an argument for what to view (e.g. an .rrd file).
-rerun-release = "cargo run --package rerun-cli --no-default-features --features native_viewer,nasm --release --"
+rerun-release = "cargo run --package rerun-cli --no-default-features --features native_viewer --release --"
 
 # Compile and run the web-viewer via rerun-cli.
 #

rerun_py/Cargo.toml

@@ -19,7 +19,7 @@ default = ["extension-module"]
 
 ## The features we turn on when building the `rerun-sdk` PyPi package
 ## for <https://pypi.org/project/rerun-sdk/>.
-pypi = ["extension-module", "nasm", "web_viewer"]
+pypi = ["extension-module", "web_viewer"]
 
 ## We need to enable the `pyo3/extension-module` when building the SDK,
 ## but we cannot enable it when building tests and benchmarks, so we
@@ -30,6 +30,7 @@ extension-module = ["pyo3/extension-module"]
 
 ## Enable faster native video decoding with assembly.
 ## You need to install [nasm](https://nasm.us/) to compile with this feature.
+## TODO(#7671): there is a bug that makes this incompatible with arch linux
 nasm = ["re_video/nasm"]
 
 ## Support serving a web viewer over HTTP with `serve()`.