MAX_REFERENCES     49 libavfilter/vf_deinterlace_vaapi.c     AVFrame           *frame_queue[MAX_REFERENCES];
MAX_REFERENCES    148 libavfilter/vf_deinterlace_vaapi.c     if (ctx->queue_depth > MAX_REFERENCES) {
MAX_REFERENCES    185 libavfilter/vf_deinterlace_vaapi.c     VASurfaceID backward_references[MAX_REFERENCES];
MAX_REFERENCES    186 libavfilter/vf_deinterlace_vaapi.c     VASurfaceID forward_references[MAX_REFERENCES];