fixed build of gpu module without CUDA (video encoding/decoding)

modules/gpu/CMakeLists.txt

@@ -58,7 +58,7 @@ if (HAVE_CUDA)
     find_cuda_helper_libs(nvcuvenc)
   endif()
   
-  set(cuda_link_libs ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY} ${CUDA_nvcuvid_LIBRARY})
+  set(cuda_link_libs ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY} ${CUDA_nvcuvid_LIBRARY} ${HIGHGUI_LIBRARIES})
 
   if (WIN32)
     set(cuda_link_libs ${cuda_link_libs} ${CUDA_nvcuvenc_LIBRARY})
@@ -75,7 +75,7 @@ ocv_set_module_sources(
   SOURCES ${lib_int_hdrs} ${lib_cuda_hdrs} ${lib_device_hdrs} ${lib_device_hdrs_detail} ${lib_srcs} ${lib_cuda} ${ncv_files} ${cuda_objs}
   )
   
-ocv_create_module(${cuda_link_libs} ${HIGHGUI_LIBRARIES})
+ocv_create_module(${cuda_link_libs})
   
 if(HAVE_CUDA)
   if(HAVE_CUFFT)

modules/gpu/src/video_reader.cpp

@@ -44,6 +44,10 @@
 
 #ifndef HAVE_CUDA
 
+class cv::gpu::VideoReader_GPU::Impl
+{
+};
+
 cv::gpu::VideoReader_GPU::VideoReader_GPU() { throw_nogpu(); }
 cv::gpu::VideoReader_GPU::VideoReader_GPU(const std::string&) { throw_nogpu(); }
 cv::gpu::VideoReader_GPU::VideoReader_GPU(const cv::Ptr<VideoSource>&) { throw_nogpu(); }
@@ -53,7 +57,7 @@ void cv::gpu::VideoReader_GPU::open(const cv::Ptr<VideoSource>&) { throw_nogpu()
 bool cv::gpu::VideoReader_GPU::isOpened() const { return false; }
 void cv::gpu::VideoReader_GPU::close() { }
 bool cv::gpu::VideoReader_GPU::read(GpuMat&) { throw_nogpu(); return false; }
-cv::gpu::VideoReader_GPU::FormatInfo cv::gpu::VideoReader_GPU::format() const { throw_nogpu(); FormatInfo format; return format; }
+cv::gpu::VideoReader_GPU::FormatInfo cv::gpu::VideoReader_GPU::format() const { throw_nogpu(); FormatInfo format = {MPEG1,Monochrome,0,0}; return format; }
 bool cv::gpu::VideoReader_GPU::VideoSource::parseVideoData(const unsigned char*, size_t, bool) { throw_nogpu(); return false; }
 void cv::gpu::VideoReader_GPU::dumpFormat(std::ostream&) { throw_nogpu(); }
 

modules/gpu/src/video_writer.cpp

@@ -44,6 +44,10 @@
 
 #if !defined HAVE_CUDA || !defined WIN32
 
+class cv::gpu::VideoWriter_GPU::Impl
+{
+};
+
 cv::gpu::VideoWriter_GPU::VideoWriter_GPU() { throw_nogpu(); }
 cv::gpu::VideoWriter_GPU::VideoWriter_GPU(const std::string&, cv::Size, double, SurfaceFormat) { throw_nogpu(); }
 cv::gpu::VideoWriter_GPU::VideoWriter_GPU(const std::string&, cv::Size, double, const EncoderParams&, SurfaceFormat) { throw_nogpu(); }