add support for jack audio connection kit#115
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sashahilton00 wants to merge 1 commit intolibrespot-org:masterfrom
Closed
add support for jack audio connection kit#115sashahilton00 wants to merge 1 commit intolibrespot-org:masterfrom
sashahilton00 wants to merge 1 commit intolibrespot-org:masterfrom
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This is initial support for JACK. It creates ports at startup and keeps it connected while librespot is running. So when librespot playback is stoped it writes silence (zeroes). It uses jack crate (rust-jack) which needs libjack. To compile in jack support use --features jackaudio-backend. And run librespot with --backend jackaudio.
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Code review requested |
plietar
reviewed
Feb 2, 2018
| use jack::prelude::{AudioOutPort, AudioOutSpec, Client, JackControl, ProcessScope, AsyncClient, client_options, ProcessHandler, Port }; | ||
| use std::sync::mpsc::{sync_channel, SyncSender, Receiver}; | ||
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| #[allow(dead_code)] |
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Was wondering the same. I figured it supressed some warnings, but having just compiled it doesn't seem to make a difference.
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| fn pcm_to_f32(sample: i16) -> f32 { | ||
| let mut f: f32 = sample as f32 / 32768.0; | ||
| if f > 1.0 { f = 1.0; } |
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Given that -32768 <= sample < 32768 these two ifs can never happen.
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Changes made, new PR created in #116 as branch here is RO. Continue discussion/review there. |
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PR duplicated across from plietar/librespot#260 in response to #93:
This is initial support for JACK. It creates ports at startup and
keeps it connected while librespot is running. So when librespot
playback is stoped it writes silence (zeroes).
It uses jack crate (rust-jack) which needs libjack. To compile in
jack support use --features jackaudio-backend. And run librespot
with --backend jackaudio.