Rr/roc video decode class (#20)

* WIP: class implementation

* add more definitions

* rocvideodecode implementation

* formatting fixes

* address review comments

[ROCm/rocdecode commit: d0e6743872]

projects/rocdecode/samples/videoDecode/CMakeLists.txt

@@ -33,13 +33,13 @@ set(DEFAULT_AMDGPU_TARGETS "gfx803;gfx900;gfx906;gfx908;gfx90a;gfx940;gfx1030;gf
 set(AMDGPU_TARGETS "${DEFAULT_AMDGPU_TARGETS}" CACHE STRING "List of specific machine types for library to target")
 find_package(HIP QUIET)
 find_package(FFmpeg QUIET)
-find_package(Libva QUIET)
-if(HIP_FOUND AND FFMPEG_FOUND AND Libva_FOUND)
+message("-- ${CMAKE_CURRENT_SOURCE_DIR}")
+if(HIP_FOUND AND FFMPEG_FOUND)
     include_directories (${ROCM_PATH}/include/rocdecode)
-    list(APPEND SOURCES ${PROJECT_SOURCE_DIR} videodecode.cpp)
+    list(APPEND SOURCES ${PROJECT_SOURCE_DIR} videodecode.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/rocvideodecode/roc_video_dec.cpp)
     add_executable(${PROJECT_NAME} ${SOURCES})
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++17")
-    target_link_libraries(${PROJECT_NAME} ${AVUTIL_LIBRARY} ${AVCODEC_LIBRARY} ${AVFORMAT_LIBRARY} Libva::va Libva::va_drm hip::device rocdecode)
+    target_link_libraries(${PROJECT_NAME} ${AVUTIL_LIBRARY} ${AVCODEC_LIBRARY} ${AVFORMAT_LIBRARY} hip::device rocdecode)
 else()
     if (NOT HIP_FOUND)
         message(FATAL_ERROR "-- ERROR!: HIP Not Found! - please install ROCm and HIP!")