MC_ENGINE_IDX_NVDEC0
case MC_ENGINE_IDX_NVDEC0 ... MC_ENGINE_IDX_NVDEC7:
*pinst = mc_engine_idx - MC_ENGINE_IDX_NVDEC0;
case MC_ENGINE_IDX_NVDEC0 ... MC_ENGINE_IDX_NVDEC7:
*pinst = mc_engine_idx - MC_ENGINE_IDX_NVDEC0;