BRIEF_PATCH_SIZE_HALF 1248 libavfilter/vf_deshake_opencl.c             pair.p1.s[j] = rand_in(-BRIEF_PATCH_SIZE_HALF, BRIEF_PATCH_SIZE_HALF + 1, &ctx->alfg);
BRIEF_PATCH_SIZE_HALF 1249 libavfilter/vf_deshake_opencl.c             pair.p2.s[j] = rand_in(-BRIEF_PATCH_SIZE_HALF, BRIEF_PATCH_SIZE_HALF + 1, &ctx->alfg);