47     assert_eq!(input.len(), output.len());  in deinterleaved_by()
48     assert_eq!(input.len() % channels, 0);  in deinterleaved_by()
50     let frames = input.len() / channels;  in deinterleaved_by()
77     assert_eq!(input.len(), output.len());  in interleaved_by()
78     assert_eq!(input.len() % channels, 0);  in interleaved_by()
80     let frames = input.len() / channels;  in interleaved_by()
99         let mut output = vec![0; input.len()];  in interleaved_1_channel()
113         let mut output = vec![0; input.len()];  in deinterleaved_1_channel()
127         let mut output = vec![0; input.len()];  in interleaved_2_channel()
141         let mut output = vec![0; input.len()];  in deinterleaved_2_channel()
155         let mut output = vec![0; input.len()];  in interleaved_3_channel()
169         let mut output = vec![0; input.len()];  in deinterleaved_3_channel()