ExtraStereoContext 33 libavfilter/af_extrastereo.c #define OFFSET(x) offsetof(ExtraStereoContext, x) ExtraStereoContext 64 libavfilter/af_extrastereo.c ExtraStereoContext *s = ctx->priv; ExtraStereoContext 127 libavfilter/af_extrastereo.c .priv_size = sizeof(ExtraStereoContext),