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Avoid unnecessary Vec -> Slice -> Vec

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In the case of a resampler bypass
This commit is contained in:
JasonLG1979 2023-06-27 19:21:02 -05:00
parent 20414e44b8
commit cea92a9c3a
2 changed files with 4 additions and 4 deletions
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6
playback/src/resampler.rs
View file

@ -410,15 +410,15 @@ impl StereoInterleavedResampler {
self.latency_pcm self.latency_pcm
} }
pub fn resample(&mut self, input_samples: &[f64]) -> Option<Vec<f64>> { pub fn resample(&mut self, input_samples: Vec<f64>) -> Option<Vec<f64>> {
match &mut self.resampler { match &mut self.resampler {
// Bypass is basically a no-op. // Bypass is basically a no-op.
Resampler::Bypass => Some(input_samples.to_vec()), Resampler::Bypass => Some(input_samples),
Resampler::Worker { Resampler::Worker {
left_resampler, left_resampler,
right_resampler, right_resampler,
} => { } => {
let (left_samples, right_samples) = Self::deinterleave_samples(input_samples); let (left_samples, right_samples) = Self::deinterleave_samples(&input_samples);
left_resampler.resample(left_samples); left_resampler.resample(left_samples);
right_resampler.resample(right_samples); right_resampler.resample(right_samples);

2
playback/src/sample_pipeline.rs
View file

@ -69,7 +69,7 @@ impl SamplePipeline {
pub fn write(&mut self, packet: AudioPacket) -> SinkResult<()> { pub fn write(&mut self, packet: AudioPacket) -> SinkResult<()> {
if let AudioPacket::Samples(samples) = packet { if let AudioPacket::Samples(samples) = packet {
self.resampler self.resampler
.resample(&samples) .resample(samples)
.map(|processed_samples| self.normaliser.normalise(processed_samples)) .map(|processed_samples| self.normaliser.normalise(processed_samples))
.map(|new_packet| self.sink.write(new_packet, &mut self.converter)) .map(|new_packet| self.sink.write(new_packet, &mut self.converter))
.transpose()?; .transpose()?;