Merge pull request #65 from rgon/fix/hw_accel_list_available

Author: gerwin3

src/ffi_hwaccel.rs

@@ -45,7 +45,9 @@ pub fn hwdevice_list_available_device_types() -> Vec<HardwareAccelerationDeviceT
         ffmpeg::ffi::av_hwdevice_iterate_types(ffmpeg::ffi::AVHWDeviceType::AV_HWDEVICE_TYPE_NONE)
     };
     while hwdevice_type != ffmpeg::ffi::AVHWDeviceType::AV_HWDEVICE_TYPE_NONE {
-        hwdevice_types.push(HardwareAccelerationDeviceType::from(hwdevice_type).unwrap());
+        if let Some(device_type) = HardwareAccelerationDeviceType::from(hwdevice_type) {
+            hwdevice_types.push(device_type);
+        }
         hwdevice_type = unsafe { ffmpeg::ffi::av_hwdevice_iterate_types(hwdevice_type) };
     }
     hwdevice_types

src/hwaccel.rs

@@ -93,7 +93,7 @@ impl HardwareAccelerationDeviceType {
             // FIXME: Find a way to handle the new variants in ffmpeg 7 without breaking backwards
             // compatibility...
             #[allow(unreachable_patterns)]
-            _ => unimplemented!(),
+            _ => None
         }
     }
 }