Add support for VA-API and rocDecode tracing (#92)

- VA API tracing using Timemory gotcha wrappers.
- rocDecode API tracing integration using callback to ROCPROFILER_CALLBACK_TRACING_ROCDECODE_API
- Updated videodecode ctest to validate rocDecode APIs in perfetto trace.

cmake/Modules/FindLibva-headers.cmake

@@ -0,0 +1,46 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying file
+# Copyright.txt or https://cmake.org/licensing for details.
+
+include(FindPackageHandleStandardArgs)
+
+# ----------------------------------------------------------------------------------------#
+
+set(LIBVA_HEADERS_INCLUDE_DIR_INTERNAL
+    "${PROJECT_SOURCE_DIR}/source/lib/rocprof-sys/library/tpls"
+    CACHE PATH "Path to internal va headers")
+
+# ----------------------------------------------------------------------------------------#
+find_path(
+    LIBVA_HEADERS_INCLUDE_DIR
+    NAMES va/va.h
+    PATHS /opt/amdgpu/include
+    NO_DEFAULT_PATH)
+
+if(NOT EXISTS "${LIBVA_HEADERS_INCLUDE_DIR}")
+    rocprofiler_systems_message(
+        AUTHOR_WARNING
+        "VA API header does not exist! Setting LIBVA_HEADERS_INCLUDE_DIR to internal directory: ${LIBVA_HEADERS_INCLUDE_DIR}"
+        )
+    set(LIBVA_HEADERS_INCLUDE_DIR
+        "${LIBVA_HEADERS_INCLUDE_DIR_INTERNAL}"
+        CACHE PATH "Path to VA API headers" FORCE)
+else()
+    rocprofiler_systems_message(STATUS
+                                "VA API header found: ${LIBVA_HEADERS_INCLUDE_DIR}")
+endif()
+
+mark_as_advanced(LIBVA_HEADERS_INCLUDE_DIR)
+
+# ----------------------------------------------------------------------------------------#
+
+find_package_handle_standard_args(Libva-headers DEFAULT_MSG LIBVA_HEADERS_INCLUDE_DIR)
+
+# ------------------------------------------------------------------------------#
+
+if(Libva-headers_FOUND)
+    add_library(roc::libva-headers INTERFACE IMPORTED)
+    target_include_directories(roc::libva-headers SYSTEM
+                               INTERFACE ${LIBVA_HEADERS_INCLUDE_DIR})
+endif()
+
+# ------------------------------------------------------------------------------#