VPU_CODEC_STATE_STARTED
if (inst->state == VPU_CODEC_STATE_STARTED)
vdec_update_state(inst, VPU_CODEC_STATE_STARTED, 0);
case VPU_CODEC_STATE_STARTED:
if (inst->state == VPU_CODEC_STATE_STARTED)
inst->state = VPU_CODEC_STATE_STARTED;
case VPU_CODEC_STATE_STARTED: return "started";