uriplaylistbin: display invalid state when panicing

Will help debugging failing tests such as #184

utils/uriplaylistbin/src/uriplaylistbin/imp.rs

@@ -294,7 +294,7 @@ impl Item {
             | ItemState::Blocked { uridecodebin, .. }
             | ItemState::Streaming { uridecodebin, .. }
             | ItemState::Done { uridecodebin, .. } => uridecodebin.clone(),
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -314,7 +314,7 @@ impl Item {
             | ItemState::Done {
                 concat_sink_pads, ..
             } => concat_sink_pads.clone(),
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -328,7 +328,7 @@ impl Item {
                 *n_pads_pendings -= 1;
                 *n_pads_pendings
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -339,7 +339,7 @@ impl Item {
             ItemState::WaitingForPads { receiver, .. } => receiver.clone(),
             ItemState::WaitingForStreamsynchronizerEos { receiver, .. } => receiver.clone(),
             // receiver is no longer supposed to be accessed once in the `Blocked` state
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -350,7 +350,7 @@ impl Item {
             ItemState::WaitingForStreamsynchronizerEos { decodebin_pads, .. } => {
                 decodebin_pads.push(pad);
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -363,7 +363,7 @@ impl Item {
                 *waiting_eos -= 1;
                 *waiting_eos == 0
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -384,7 +384,7 @@ impl Item {
             } => {
                 *stream_selected_msg = Some(msg);
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -397,7 +397,7 @@ impl Item {
                 *waiting_eos -= 1;
                 *waiting_eos == 0
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -410,7 +410,7 @@ impl Item {
             } => {
                 concat_sink_pads.push((concat.clone(), sink_pad.clone()));
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -455,7 +455,7 @@ impl Item {
                     receiver,
                 };
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -478,7 +478,7 @@ impl Item {
                     receiver,
                 };
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -526,7 +526,7 @@ impl Item {
 
                 (topology, pending_pads, sender)
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -550,7 +550,7 @@ impl Item {
                     stream_selected_msg: None,
                 };
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -585,7 +585,7 @@ impl Item {
 
                 (messages, sender)
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 
@@ -604,7 +604,7 @@ impl Item {
                     concat_sink_pads: concat_sink_pads.clone(),
                 };
             }
-            _ => unreachable!(),
+            _ => panic!("invalid state: {:?}", inner.state),
         }
     }
 }