BlackFrameContext 70 libavfilter/vf_blackframe.c BlackFrameContext *s = ctx->priv; BlackFrameContext 104 libavfilter/vf_blackframe.c #define OFFSET(x) offsetof(BlackFrameContext, x) BlackFrameContext 138 libavfilter/vf_blackframe.c .priv_size = sizeof(BlackFrameContext),