Manually search for rocdecode and rocjpeg libraries in cmake (#294)

* Manually search for rocdecode ad rocjpeg libraries

* Update examples/jpegdecode/CMakeLists.txt

Fix typo.

Co-authored-by: David Galiffi <David.Galiffi@amd.com>

---------

Co-authored-by: David Galiffi <David.Galiffi@amd.com>

examples/videodecode/CMakeLists.txt

@@ -54,8 +54,48 @@ function(videodecode_message _MSG_TYPE)
 endfunction()
 
 # Find RocDecode
-find_package(rocdecode QUIET)
-if(NOT rocdecode_FOUND)
+find_path(
+    rocdecode_ROOT_DIR
+    NAMES include/rocdecode/rocdecode.h
+    HINTS ${ROCmVersion_DIR} ${ROCM_PATH}
+    PATHS ${ROCmVersion_DIR} ${ROCM_PATH}
+)
+
+mark_as_advanced(rocdecode_ROOT_DIR)
+
+find_path(
+    rocdecode_INCLUDE_DIR
+    NAMES rocdecode/rocdecode.h
+    HINTS ${rocdecode_ROOT_DIR}
+    PATHS ${rocdecode_ROOT_DIR}
+    PATH_SUFFIXES include
+)
+
+find_library(
+    rocdecode_LIBRARY
+    NAMES rocdecode
+    HINTS ${rocdecode_ROOT_DIR}
+    PATHS ${rocdecode_ROOT_DIR}
+    PATH_SUFFIXES lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+    rocdecode
+    FOUND_VAR rocdecode_FOUND
+    REQUIRED_VARS rocdecode_INCLUDE_DIR rocdecode_LIBRARY
+)
+
+if(rocdecode_FOUND)
+    if(NOT TARGET rocdecode::rocdecode)
+        add_library(rocdecode::rocdecode INTERFACE IMPORTED)
+        target_link_libraries(rocdecode::rocdecode INTERFACE ${rocdecode_LIBRARY})
+        target_include_directories(
+            rocdecode::rocdecode
+            INTERFACE ${rocdecode_INCLUDE_DIR}
+        )
+    endif()
+else()
     videodecode_message(AUTHOR_WARNING "${PROJECT_NAME} skipped. Missing RocDecode...")
     return()
 endif()