disable xlib in ffmpeg build flags (#448)

This was causing MacOS builds to fail for some reason.

Also temporarily GPU tests in CI until we get a runner back

.github/workflows/build.yaml

@@ -13,7 +13,7 @@ concurrency:
 jobs:
   build:
     name: Test and build lpms project
-    runs-on: gpu-amd64
+    runs-on: ubuntu-24.04
     container:
       image: livepeerci/cuda:11.7.1-cudnn8-devel-ubuntu20.04
       env:
@@ -95,7 +95,7 @@ jobs:
 
       - name: Test
         shell: bash
-        run: PATH="/github/home/compiled/bin:$PATH" go test --tags=nvidia -timeout 1h -coverprofile cover.out ./...
+        run: PATH="/github/home/compiled/bin:$PATH" go test -timeout 1h -coverprofile cover.out ./...
 
       - name: Upload coverage reports
         uses: codecov/codecov-action@v4

install_ffmpeg.sh

@@ -211,6 +211,7 @@ else
   # disable all unnecessary features for production build
   DISABLE_FFMPEG_COMPONENTS+=" --disable-doc --disable-sdl2 --disable-iconv --disable-muxers --disable-demuxers --disable-parsers --disable-protocols "
   DISABLE_FFMPEG_COMPONENTS+=" --disable-encoders --disable-decoders --disable-filters --disable-bsfs --disable-postproc --disable-lzma "
+  DISABLE_FFMPEG_COMPONENTS+=" --disable-xlib "
 fi
 
 if [[ ! -e "$ROOT/ffmpeg/libavcodec/libavcodec.a" ]]; then