42 lines
1004 B
Rust
42 lines
1004 B
Rust
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/*!
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This module contains function that will convert from one PCM format to another.
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This includes conversion between samples formats, channels or sample rates.
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*/
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pub fn convert_samples_rate<T>(input: &[T], from: ::SamplesRate, to: ::SamplesRate) -> Vec<T>
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where T: Copy
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{
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unimplemented!()
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}
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pub fn convert_channels<T>(input: &[T], from: ::ChannelsCount, to: ::ChannelsCount) -> Vec<T>
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where T: Copy
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{
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assert!(input.len() % from as uint == 0);
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let mut result = Vec::new();
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for element in input.chunks(from as uint) {
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// copying the common channels
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for i in range(0, ::std::cmp::min(from, to)) {
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result.push(element[i as uint]);
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}
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// adding extra ones
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for i in range(0, ::std::cmp::max(0, to - from)) {
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result.push(element[i as uint % element.len()]);
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}
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}
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result
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}
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#[cfg(test)]
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mod test {
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#[test]
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fn test_convert_channels() {
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}
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}
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