On Fri, Jul 19, 2019 at 07:19:17PM -0400, Jarek Samic wrote: > This filter is the subject of my GSoC project. > > This is a video stabilization / deshake filter (name undetermined, feel free > to discuss) that uses feature > point matching and RANSAC to determine a camera path, smooths the camera path > with a gaussian filter, and > then applies the new path to the video. > > There are a number of debug features that can be turned on (viewing point > matches, viewing transform > details, viewing average kernel execution times). See the bottom of the file. > > The filter is finished feature-wise and therefore ready for some review. > There are a few things left for > me to do before this can be merged, though: > > * Improve performance of the OpenCL kernels (in particular: harris_response > and match_descriptors) > * See what I can do to improve the RANSAC model generation to reduce the > amount of jitter in the result > * Clean up the few remaining TODOs > > Just keep that in mind. > > --- > libavfilter/Makefile | 2 + > libavfilter/allfilters.c | 1 + > libavfilter/opencl/deshake.cl | 621 ++++++++++ > libavfilter/opencl_source.h | 1 + > libavfilter/vf_deshake_opencl.c | 1992 +++++++++++++++++++++++++++++++ > 5 files changed, 2617 insertions(+) > create mode 100644 libavfilter/opencl/deshake.cl > create mode 100644 libavfilter/vf_deshake_opencl.c
breaks build make LD ffmpeg_g libavfilter/libavfilter.a(vf_deshake_opencl.o): In function `queue_frame.isra.4': vf_deshake_opencl.c:(.text+0x335): undefined reference to `clSetKernelArg' vf_deshake_opencl.c:(.text+0x36a): undefined reference to `clSetKernelArg' vf_deshake_opencl.c:(.text+0x3a0): undefined reference to `clFinish' vf_deshake_opencl.c:(.text+0x3fc): undefined reference to `clSetKernelArg' vf_deshake_opencl.c:(.text+0x425): undefined reference to `clSetKernelArg' vf_deshake_opencl.c:(.text+0x474): undefined reference to `clEnqueueNDRangeKernel' ... [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Elect your leaders based on what they did after the last election, not based on what they say before an election.
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