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Signed-off-by: fufesou <linlong1266@gmail.com>
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fufesou 2024-06-12 00:53:54 +08:00 committed by GitHub
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src/server/audio_service.rs
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@ -311,7 +311,8 @@ mod cpal_impl {
// https://www.opus-codec.org/docs/html_api/group__opusencoder.html#gace941e4ef26ed844879fde342ffbe546
// https://chromium.googlesource.com/chromium/deps/opus/+/1.1.1/include/opus.h
// Do not set `frame_size = sample_rate as usize / 100;`
// Because we find `sample_rate as usize / 100` will cause encoder error in `encoder.encode_vec_float()`.
// Because we find `sample_rate as usize / 100` will cause encoder error in `encoder.encode_vec_float()` sometimes.
// https://github.com/xiph/opus/blob/2554a89e02c7fc30a980b4f7e635ceae1ecba5d6/src/opus_encoder.c#L725
let frame_size = sample_rate_0 as usize / 100; // 10 ms
let encode_len = frame_size * encode_channel as usize;
let rechannel_len = encode_len * device_channel as usize / encode_channel as usize;