fixed build under MacOS (disabled video decoding, it's not supported)

modules/gpu/CMakeLists.txt

@@ -50,21 +50,27 @@ if (HAVE_CUDA)
   OCV_CUDA_COMPILE(cuda_objs ${lib_cuda} ${ncv_cuda})
   #CUDA_BUILD_CLEAN_TARGET()
 
+  if(NOT APPLE)
     unset(CUDA_nvcuvid_LIBRARY CACHE)
     find_cuda_helper_libs(nvcuvid)
+  endif()
 
   if(WIN32)
     unset(CUDA_nvcuvenc_LIBRARY CACHE)
     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})
+
+  if(NOT APPLE)
+    set(cuda_link_libs ${cuda_link_libs} ${CUDA_nvcuvid_LIBRARY})
+  endif()
 
   if(WIN32)
     set(cuda_link_libs ${cuda_link_libs} ${CUDA_nvcuvenc_LIBRARY})
   endif()
 
-  if(WITH_FFMPEG)
+  if(NOT APPLE AND WITH_FFMPEG)
     set(cuda_link_libs ${cuda_link_libs} ${HIGHGUI_LIBRARIES})
   endif()
 else()

modules/gpu/src/ffmpeg_video_source.cpp

@@ -42,7 +42,7 @@
 
 #include "ffmpeg_video_source.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 #ifdef HAVE_FFMPEG
     #include "cap_ffmpeg_impl.hpp"

modules/gpu/src/ffmpeg_video_source.h

@@ -46,7 +46,7 @@
 #include "precomp.hpp"
 #include "thread_wrappers.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 struct InputMediaStream_FFMPEG;
 

modules/gpu/src/frame_queue.cpp

@@ -42,7 +42,7 @@
 
 #include "frame_queue.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 cv::gpu::detail::FrameQueue::FrameQueue() :
     endOfDecode_(0),

modules/gpu/src/frame_queue.h

@@ -46,7 +46,7 @@
 #include "precomp.hpp"
 #include "thread_wrappers.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 namespace cv { namespace gpu
 {

modules/gpu/src/precomp.hpp

@@ -88,7 +88,9 @@
         #include <cublas.h>
     #endif
 
+    #ifndef __APPLE__
         #include <nvcuvid.h>
+    #endif
 
     #ifdef WIN32
         #include <NVEncoderAPI.h>

modules/gpu/src/thread_wrappers.cpp

@@ -42,7 +42,7 @@
 
 #include "thread_wrappers.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 #ifdef WIN32
     #define NOMINMAX

modules/gpu/src/thread_wrappers.h

@@ -45,7 +45,7 @@
 
 #include "precomp.hpp"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 namespace cv { namespace gpu 
 {

modules/gpu/src/video_decoder.cpp

@@ -43,7 +43,7 @@
 #include "video_decoder.h"
 #include "frame_queue.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 void cv::gpu::detail::VideoDecoder::create(const VideoReader_GPU::FormatInfo& videoFormat)
 {

modules/gpu/src/video_decoder.h

@@ -46,7 +46,7 @@
 #include "precomp.hpp"
 #include "cu_safe_call.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 namespace cv { namespace gpu 
 {

modules/gpu/src/video_parser.cpp

@@ -43,7 +43,7 @@
 #include "video_parser.h"
 #include "cu_safe_call.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 cv::gpu::detail::VideoParser::VideoParser(VideoDecoder* videoDecoder, FrameQueue* frameQueue) :
     videoDecoder_(videoDecoder), frameQueue_(frameQueue), unparsedPackets_(0), hasError_(false)

modules/gpu/src/video_parser.h

@@ -48,7 +48,7 @@
 #include "frame_queue.h"
 #include "video_decoder.h"
 
-#ifdef HAVE_CUDA
+#if defined(HAVE_CUDA) && !defined(__APPLE__)
 
 namespace cv { namespace gpu 
 {

modules/gpu/src/video_reader.cpp

@@ -42,7 +42,7 @@
 
 #include "precomp.hpp"
 
-#ifndef HAVE_CUDA
+#if !defined(HAVE_CUDA) || defined(__APPLE__)
 
 class cv::gpu::VideoReader_GPU::Impl
 {

modules/gpu/src/video_writer.cpp

@@ -42,7 +42,7 @@
 
 #include "precomp.hpp"
 
-#if !defined HAVE_CUDA || !defined WIN32
+#if !defined(HAVE_CUDA) || !defined(WIN32)
 
 class cv::gpu::VideoWriter_GPU::Impl
 {