feat: 完善 OTG UAC 音频支持

src/audio/encoder.rs

@@ -5,7 +5,6 @@ use audiopus::{coder::Encoder, Application, Bitrate, Channels, SampleRate};
 use bytes::Bytes;
 use tracing::debug;
 
-use super::capture::AudioFrame;
 use crate::error::{AppError, Result};
 
 #[derive(Debug, Clone)]
@@ -154,11 +153,6 @@ impl OpusEncoder {
         })
     }
 
-    pub fn encode_frame(&mut self, frame: &AudioFrame) -> Result<OpusFrame> {
-        let samples: &[i16] = bytemuck::cast_slice(&frame.data);
-        self.encode(samples)
-    }
-
     pub fn config(&self) -> &OpusConfig {
         &self.config
     }