Signed-off-by: Wu, Zhiwen <zhiwen.wu@intel.com>
Signed-off-by: Li Peng <peng.li@intel.com>

  * loosen some test threshold mainly for integer types
  * use relative error for floating points result
  * avoid division by zero by following the comment
  * fix the indentation

OpenCV 3.4.1

Signed-off-by: Li Peng <peng.li@intel.com>

* ave pooling ocl fix

support the padded area control in ave pooling
Signed-off-by: Li Peng <peng.li@intel.com>

* warning fix: ununitialized field

FFmpeg: 3.3.4 -> 3.4.2
LibVPX: 1.6.1 -> 1.7.0
OpenH264: 1.6.0 -> 1.7.0

Signed-off-by: Li Peng <peng.li@intel.com>

It fixes tensorflow ocl testcase of MobileNetSSD and Inception_v2_SSD
Signed-off-by: Li Peng <peng.li@intel.com>

reuse av_guess_sample_aspect_ratio() if available in ffmpeg

Existed includes sequence:
- utility.hpp -> core.hpp -> operations.hpp

cuda_fast : multi stream safety (#10906)

* CUDA_Features2D/FAST Asynchronous test

* cuda_fast : multi stream safety

* Use parallel_for instead of OpenMP