build(capture): add CMakeLists for deltacast-capture bridge binary

services/capture/deltacast-bridge/CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.16)
+project(deltacast-bridge C)
+set(CMAKE_C_STANDARD 17)
+
+set(SDK_ROOT "/sdk" CACHE PATH "Path to extracted VideoMaster SDK")
+
+add_executable(deltacast-capture main.c)
+
+target_include_directories(deltacast-capture PRIVATE
+    ${SDK_ROOT}/include/videomaster
+)
+
+target_link_directories(deltacast-capture PRIVATE
+    ${SDK_ROOT}/lib
+)
+
+target_link_libraries(deltacast-capture PRIVATE
+    videomasterhd
+    videomasterhd_audio
+    pthread
+)
+
+# Embed the SDK RPATH so the binary finds the .so at runtime
+set_target_properties(deltacast-capture PROPERTIES
+    INSTALL_RPATH "/usr/local/lib/deltacast"
+    BUILD_WITH_INSTALL_RPATH TRUE
+)