CI Linux: use libajantv2

also build the library shared

.github/scripts/Linux/install_others.sh

@@ -21,9 +21,14 @@ install_ximea() {
 
 # Install AJA
 install_aja() {(
-        git clone --depth 1 https://github.com/aja-video/ntv2
-        cd ntv2/ajalibraries/ajantv2/build
-        make -j "$(nproc)"
+        git clone --depth 1 https://github.com/aja-video/libajantv2.git
+        cd libajantv2
+        cmake -Bbuild -DAJANTV2_DISABLE_DEMOS=ON -DAJANTV2_DISABLE_DRIVER=ON \
+                -DAJANTV2_DISABLE_TOOLS=ON -DAJANTV2_DISABLE_TESTS=ON \
+                -DAJANTV2_DISABLE_PLUGINS=ON -DAJANTV2_BUILD_SHARED=ON \
+                -DCMAKE_BUILD_TYPE=Release .
+        cmake --build build -j "$(nproc)"
+        sudo cmake --install build
 )}
 
 

.github/scripts/Linux/prepare.sh

@@ -1,7 +1,7 @@
 #!/bin/bash -eux
 
 export PKG_CONFIG_PATH=/usr/local/qt/lib/pkgconfig:/usr/local/lib/pkgconfig
-printf "%b" "AJA_DIRECTORY=/var/tmp/ntv2\n\
+printf "%b" "\
 CPATH=/usr/local/qt/include\n\
 LIBRARY_PATH=/usr/local/qt/lib\n\
 PKG_CONFIG_PATH=$PKG_CONFIG_PATH\n" >> "$GITHUB_ENV"