Clippy fixes

Author: prokopyl

host/examples/cpal/src/host/audio.rs

@@ -141,7 +141,7 @@ impl StreamAudioProcessor {
         self.buffers.ensure_buffer_size_matches(data.len());
         let sample_count = self.buffers.cpal_buf_len_to_frame_count(data.len());
 
-        let (ins, mut outs) = self.buffers.prepare_plugin_buffers(data.len());
+        let (ins, outs) = self.buffers.prepare_plugin_buffers(data.len());
 
         let events = if let Some(midi) = self.midi_receiver.as_mut() {
             midi.receive_all_events(sample_count as u64)
@@ -151,7 +151,7 @@ impl StreamAudioProcessor {
 
         match self.audio_processor.process(
             &ins,
-            &mut outs,
+            &outs,
             &events,
             &mut OutputEvents::void(),
             Some(self.steady_counter),

plugin/examples/gain-gui/tests/test_gain.rs

@@ -103,7 +103,7 @@ pub fn it_works() {
         latency: 0,
     }]);
 
-    let mut output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
+    let output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
         channels: AudioPortBufferType::f32_output_only(
             output_buffers.iter_mut().map(|b| b.as_mut_slice()),
         ),
@@ -113,7 +113,7 @@ pub fn it_works() {
     processor
         .process(
             &input_channels,
-            &mut output_channels,
+            &output_channels,
             &input_events.as_input(),
             &mut output_events.as_output(),
             None,

plugin/examples/gain-presets/tests/test_gain.rs

@@ -106,7 +106,7 @@ pub fn it_works() {
         latency: 0,
     }]);
 
-    let mut output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
+    let output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
         channels: AudioPortBufferType::f32_output_only(
             output_buffers.iter_mut().map(|b| b.as_mut_slice()),
         ),
@@ -116,7 +116,7 @@ pub fn it_works() {
     processor
         .process(
             &input_channels,
-            &mut output_channels,
+            &output_channels,
             &input_events.as_input(),
             &mut output_events.as_output(),
             None,

plugin/examples/gain/tests/test_gain.rs

@@ -104,7 +104,7 @@ pub fn it_works() {
         latency: 0,
     }]);
 
-    let mut output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
+    let output_channels = outputs_descriptors.with_output_buffers([AudioPortBuffer {
         channels: AudioPortBufferType::f32_output_only(
             output_buffers.iter_mut().map(|b| b.as_mut_slice()),
         ),
@@ -114,7 +114,7 @@ pub fn it_works() {
     processor
         .process(
             &input_channels,
-            &mut output_channels,
+            &output_channels,
             &input_events.as_input(),
             &mut output_events.as_output(),
             None,