add StateError and AudioError

1 files changed, 54 insertions, 0 deletions

diff --git a/mumd/src/error.rs b/mumd/src/error.rs
new file mode 100644
index 0000000..a171f1f
--- /dev/null
+++ b/mumd/src/error.rs
@@ -0,0 +1,54 @@
+use std::fmt;
+
+pub enum AudioStream {
+    Input,
+    Output,
+}
+
+impl fmt::Display for AudioStream {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            AudioStream::Input => write!(f, "input"),
+            AudioStream::Output => write!(f, "output"),
+        }
+    }
+}
+
+pub enum AudioError {
+    NoDevice(AudioStream),
+    NoConfigs(AudioStream, cpal::SupportedStreamConfigsError),
+    NoSupportedConfig(AudioStream),
+    InvalidStream(AudioStream, cpal::BuildStreamError),
+    OutputPlayError(cpal::PlayStreamError),
+}
+
+impl fmt::Display for AudioError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            AudioError::NoDevice(s) => write!(f, "No {} device", s),
+            AudioError::NoConfigs(s, e) => write!(f, "No {} configs: {}", s, e),
+            AudioError::NoSupportedConfig(s) => write!(f, "No supported {} config found", s),
+            AudioError::InvalidStream(s, e) => write!(f, "Invalid {} stream: {}", s, e),
+            AudioError::OutputPlayError(e) => write!(f, "Playback error: {}", e),
+        }
+    }
+}
+
+pub enum StateError {
+    AudioError(AudioError),
+}
+
+impl From<AudioError> for StateError {
+    fn from(e: AudioError) -> Self {
+        StateError::AudioError(e)
+    }
+}
+
+impl fmt::Display for StateError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            StateError::AudioError(e) => write!(f, "Audio error: {}", e),
+        }
+    }
+}
+