Forward port plietar's WIP gstreamer backend.

This commit is contained in:
Sean McNamara 2019-12-25 06:19:12 -05:00
parent b634117fbf
commit 6707389732
6 changed files with 462 additions and 0 deletions

311
Cargo.lock generated
View file

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"checksum hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
"checksum httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
@ -2462,6 +2760,7 @@ dependencies = [
"checksum mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
"checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
"checksum miow 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "396aa0f2003d7df8395cb93e09871561ccc3e785f0acb369170e8cc74ddf9226"
"checksum muldiv 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "451a9a05d2a32c566c897835e0ea95cf79ed2fdfe957924045a1721a36c9980f"
"checksum multimap 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb04b9f127583ed176e163fb9ec6f3e793b87e21deedd5734a69386a18a0151"
"checksum nalgebra 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8e12856109b5cb8e2934b5e45e4624839416e1c6c1f7d286711a7a66b79db29d"
"checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
@ -2474,6 +2773,7 @@ dependencies = [
"checksum num-complex 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fcb0cf31fb3ff77e6d2a6ebd6800df7fdcd106f2ad89113c9130bcd07f93dffc"
"checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
"checksum num-iter 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "76bd5272412d173d6bf9afdf98db8612bbabc9a7a830b7bfc9c188911716132e"
"checksum num-rational 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f2885278d5fe2adc2f75ced642d52d879bffaceb5a2e0b1d4309ffdfb239b454"
"checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
"checksum num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcef43580c035376c0705c42792c294b66974abbfd2789b511784023f71f3273"
"checksum ogg 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d79f1db9148be9d0e174bb3ac890f6030fcb1ed947267c5a91ee4c91b5a91e15"
@ -2482,21 +2782,28 @@ dependencies = [
"checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
"checksum parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
"checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
"checksum paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "423a519e1c6e828f1e73b720f9d9ed2fa643dce8a7737fb43235ce0b41eeaa49"
"checksum paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4214c9e912ef61bf42b81ba9a47e8aad1b2ffaf739ab162bf96d1e011f54e6c5"
"checksum pbkdf2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "006c038a43a45995a9670da19e67600114740e8511d4333bf97a56e66a7542d9"
"checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
"checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
"checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
"checksum pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c1d2cfa5a714db3b5f24f0915e74fcdf91d09d496ba61329705dda7774d2af"
"checksum portaudio-rs 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fc0e6b38f00fae9dde9a9832a2b54405988c6dcaf2870e6f9551546b447bbd7f"
"checksum portaudio-sys 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5194a4fa953b4ffd851c320ef6f0484cd7278cb7169ea9d6c433e49b23f7b7f5"
"checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
"checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
"checksum proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "369a6ed065f249a159e06c45752c780bda2fb53c995718f9e484d08daa9eb42e"
"checksum proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cd07deb3c6d1d9ff827999c7f9b04cdfd66b1b17ae508e14fe47b620f2282ae0"
"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
"checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
"checksum protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "40361836defdd5871ff7e84096c6f6444af7fc157f8ef1789f54f147687caa20"
"checksum protobuf-codegen 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "12c6abd78435445fc86898ebbd0521a68438063d4a73e23527b7134e6bf58b4a"
"checksum protobuf-codegen-pure 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c1646acda5319f5b28b0bff4a484324df43ddae2c0f5a3f3e63c0b26095cd600"
"checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
"checksum quote 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1eca14c727ad12702eb4b6bfb5a232287dcf8385cb8ca83a3eeaf6519c44c408"
"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
"checksum rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
"checksum rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c618c47cd3ebd209790115ab837de41425723956ad3ce2e6a7f09890947cacb9"
@ -2555,6 +2862,7 @@ dependencies = [
"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
"checksum subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
"checksum syn 0.15.42 (registry+https://github.com/rust-lang/crates.io-index)" = "eadc09306ca51a40555dd6fc2b415538e9e18bc9f870e47b1a524a79fe2dcf5e"
"checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
"checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
"checksum take 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b157868d8ac1f56b64604539990685fa7611d8fa9e5476cf0c02cf34d32917c5"
"checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
@ -2588,6 +2896,7 @@ dependencies = [
"checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
"checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
"checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
"checksum uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
@ -2609,3 +2918,5 @@ dependencies = [
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
"checksum wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "561ed901ae465d6185fa7864d63fbd5720d0ef718366c9a4dc83cf6170d7e9ba"
"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
"checksum zerocopy 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "992b9b31f80fd4a167f903f879b8ca43d6716cc368ea01df90538baa2dd34056"
"checksum zerocopy-derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b090467ecd0624026e8a6405d343ac7382592530d54881330b3fc8e400280fa5"

View file

@ -64,6 +64,7 @@ pulseaudio-backend = ["librespot-playback/pulseaudio-backend"]
jackaudio-backend = ["librespot-playback/jackaudio-backend"]
rodio-backend = ["librespot-playback/rodio-backend"]
sdl-backend = ["librespot-playback/sdl-backend"]
gstreamer-backend = ["librespot-playback/gstreamer-backend"]
with-tremor = ["librespot-audio/with-tremor"]
with-vorbis = ["librespot-audio/with-vorbis"]

View file

@ -28,6 +28,10 @@ libc = { version = "0.2", optional = true }
rodio = { version = "0.9", optional = true, default-features = false }
cpal = { version = "0.8", optional = true }
sdl2 = { version = "0.32", optional = true }
gstreamer = { version = "0.15.0", optional = true }
gstreamer-app = { version = "0.15.0", optional = true }
glib = { version = "0.9.0", optional = true }
zerocopy = { version = "0.2.8", optional = true }
[features]
alsa-backend = ["alsa"]
@ -36,3 +40,4 @@ pulseaudio-backend = ["libpulse-sys", "libc"]
jackaudio-backend = ["jack"]
rodio-backend = ["rodio", "cpal"]
sdl-backend = ["sdl2"]
gstreamer-backend = ["gstreamer", "gstreamer-app", "glib", "zerocopy"]

View file

@ -0,0 +1,129 @@
use super::{Open, Sink};
use std::{io, thread, time, process::exit};
use std::sync::mpsc::{sync_channel, SyncSender};
use gst::prelude::*;
use gst::*;
use gst_app::*;
use glib::MainLoop;
use zerocopy::*;
pub struct GstreamerSink {
tx: SyncSender<Vec<i16>>,
pipeline: gst::Pipeline
}
impl Open for GstreamerSink {
fn open(device: Option<String>) -> GstreamerSink {
gst::init();
let pipeline_str_preamble = r#"appsrc caps="audio/x-raw,format=S16LE,layout=interleaved,channels=2,rate=44100" block=true max-bytes=4096 name=appsrc0 "#;
let pipeline_str_rest = r#" ! audioconvert ! autoaudiosink"#;
let pipeline_str : String = match device {
Some(x) => format!("{}{}", pipeline_str_preamble, x),
None => format!("{}{}", pipeline_str_preamble, pipeline_str_rest)
};
gst::init().unwrap();
let pipelinee = gst::parse_launch(&*pipeline_str).expect("New Pipeline error");
let pipeline = pipelinee.dynamic_cast::<gst::Pipeline>().expect("Couldnt cast pipeline element at runtime!");
let mut bus = pipeline.get_bus().expect("Couldn't get bus from pipeline");
let mut mainloop = glib::MainLoop::new(None, false);
let mut appsrce : gst::Element = pipeline.get_by_name("appsrc0").expect("Couldn't get appsrc from pipeline");
let mut appsrc : gst_app::AppSrc = appsrce.dynamic_cast::<gst_app::AppSrc>().expect("Couldnt cast AppSrc element at runtime!");
//let mut appsrc = gst_app::AppSrc::new_from_element(appsrc_element.to_element());
let bufferpool = gst::BufferPool::new();
let appsrc_caps = appsrc.get_caps().expect("get appsrc caps failed");
let mut conf = bufferpool.get_config();
conf.set_params(Some(&appsrc_caps), 2048 * 2, 0, 0);
if bufferpool.set_active(true).is_err(){
panic!("Couldn't activate buffer pool");
}
/*
thread::spawn(move || {
let bus_receiver = bus.receiver();
for message in bus_receiver.iter() {
match message.parse() {
gst::message::StateChanged(x) =>
println!("element `{}` state changed", message.src_name()),
gst::message::Error(x) => {
println!("error msg from element `{}`: {}, quitting", message.src_name(), error.message());
break;
},
gst::message::Eos(ref _msg) => {
println!("eos received; quitting");
break;
},
_ =>
println!("Pipe message: {} from {} at {}", message.type_name(), message.src_name(), message.timestamp())
}
}
});*/
let (tx, rx) = sync_channel::<Vec<i16>>(64);
thread::spawn(move || {
for data in rx {
let mut buffer = bufferpool.acquire_buffer(None).expect("acquire buffer");
//assert!(data.len() <= buffer.len::<i16>());
let mutbuf = buffer.make_mut();
mutbuf.set_size(data.len() * 2);
mutbuf.map_writable().unwrap().as_mut_slice().clone_from_slice(&data[..].as_bytes());
//buffer.set_live(true);
let res = appsrc.push_buffer(buffer).expect("Failed to push buffer");
}
});
thread::spawn(move || {
unsafe {
let thread_mainloop = mainloop;
let watch_mainloop = thread_mainloop.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::Eos(..) => watch_mainloop.quit(),
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
watch_mainloop.quit();
}
_ => (),
};
glib::Continue(true)
})
.expect("Failed to add bus watch");
thread_mainloop.run();
}
});
GstreamerSink {
tx: tx,
pipeline: pipeline
}
}
}
impl Sink for GstreamerSink {
fn start(&mut self) -> io::Result<()> {
//self.pipeline.play();
self.pipeline.set_state(gst::State::Playing).expect("Unable to set the pipeline to the `Playing` state");
Ok(())
}
fn stop(&mut self) -> io::Result<()> {
//self.pipeline.pause();
self.pipeline.set_state(gst::State::Paused).expect("Unable to set the pipeline to the `Paused` state");
Ok(())
}
fn write(&mut self, data: &[i16]) -> io::Result<()> {
// Copy expensively to avoid thread synchronization
let data = data.to_vec();
self.tx.send(data).expect("tx send failed in write function");
Ok(())
}
}

View file

@ -34,6 +34,11 @@ mod jackaudio;
#[cfg(feature = "jackaudio-backend")]
use self::jackaudio::JackSink;
#[cfg(feature = "gstreamer-backend")]
mod gstreamer;
#[cfg(feature = "gstreamer-backend")]
use self::gstreamer::GstreamerSink;
#[cfg(feature = "rodio-backend")]
mod rodio;
#[cfg(feature = "rodio-backend")]
@ -55,6 +60,8 @@ pub const BACKENDS: &'static [(&'static str, fn(Option<String>) -> Box<Sink>)] =
("pulseaudio", mk_sink::<PulseAudioSink>),
#[cfg(feature = "jackaudio-backend")]
("jackaudio", mk_sink::<JackSink>),
#[cfg(feature = "gstreamer-backend")]
("gstreamer", mk_sink::<GstreamerSink>),
#[cfg(feature = "rodio-backend")]
("rodio", mk_sink::<RodioSink>),
#[cfg(feature = "sdl-backend")]

View file

@ -16,6 +16,15 @@ extern crate libpulse_sys;
#[cfg(feature = "jackaudio-backend")]
extern crate jack;
#[cfg(feature = "gstreamer-backend")]
extern crate gstreamer as gst;
#[cfg(feature = "gstreamer-backend")]
extern crate gstreamer_app as gst_app;
#[cfg(feature = "gstreamer-backend")]
extern crate glib;
#[cfg(feature = "gstreamer-backend")]
extern crate zerocopy;
#[cfg(feature = "sdl-backend")]
extern crate sdl2;