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threadsharing: migrate to async/await and tokio 0.2.0-alpha.6

Browse source 
See https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/merge_requests/164
This commit is contained in:
François Laignel 2019-11-24 21:12:40 +01:00
parent a91d0d929c
commit 8eec141517
20 changed files with 1184 additions and 890 deletions
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40
.gitlab-ci.yml
View file

@ -55,17 +55,32 @@ stages:
- cargo build --color=always --all --examples --all-features
- G_DEBUG=fatal_warnings cargo test --color=always --all --examples --all-features
test 1.39:
#test 1.39:
# 1.39 img
# https://hub.docker.com/_/rust/
image: "rust:1.39-slim-buster"
extends: '.cargo test'
# image: "rust:1.39-slim-buster"
# extends: '.cargo test'
test stable:
#test stable:
# Stable img
# https://hub.docker.com/_/rust/
# image: "rust:slim-buster"
# extends: '.cargo test'
test beta:
# https://hub.docker.com/_/rust/
image: "rust:slim-buster"
extends: '.cargo test'
extends: '.tarball_setup'
script:
- export CARGO_HOME=/usr/local/cargo # will install a new toolchain, reset CARGO_HOME to its default path
- rustup toolchain install beta
- export CARGO_HOME=${CI_PROJECT_DIR}/.cargo_home
- rustup override set beta
- rustc --version
- cargo build --color=always --all
- G_DEBUG=fatal_warnings cargo test --color=always --all
- cargo build --color=always --all --examples --all-features
- G_DEBUG=fatal_warnings cargo test --color=always --all --examples --all-features
test nightly:
# Nightly
@ -76,9 +91,15 @@ test nightly:
rustfmt:
image: "rust:slim-buster"
extends: '.tarball_setup'
stage: "lint"
script:
- rustup component add rustfmt
- export CARGO_HOME=/usr/local/cargo # will install a new toolchain, reset CARGO_HOME to its default path
- rustup toolchain install beta
- rustup component add rustfmt --toolchain beta
- export CARGO_HOME=${CI_PROJECT_DIR}/.cargo_home
- rustup override set beta
- rustc --version
- cargo fmt --version
- cargo fmt -- --color=always --check
@ -87,7 +108,12 @@ clippy:
image: "rust:slim-buster"
stage: 'extras'
script:
- rustup component add clippy-preview
- export CARGO_HOME=/usr/local/cargo # will install a new toolchain, reset CARGO_HOME to its default path
- rustup toolchain install beta
- rustup component add clippy --toolchain beta
- export CARGO_HOME=${CI_PROJECT_DIR}/.cargo_home
- rustup override set beta
- rustc --version
- cargo clippy --color=always --all --all-features -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless
audit:

25
gst-plugin-threadshare/Cargo.toml
View file

@ -5,27 +5,26 @@ authors = ["Sebastian Dröge <sebastian@centricular.com>"]
license = "LGPL-2.1+"
description = "Threadshare Plugin"
repository = "https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs"
edition = "2018"
[dependencies]
libc = "0.2"
glib-sys = { git = "https://github.com/gtk-rs/sys" }
gobject-sys = { git = "https://github.com/gtk-rs/sys" }
gio-sys = { git = "https://github.com/gtk-rs/sys" }
gstreamer-sys = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys" }
glib = { git = "https://github.com/gtk-rs/glib" }
gio = { git = "https://github.com/gtk-rs/gio" }
gstreamer = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gstreamer-app = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gstreamer-check = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gstreamer-net = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gstreamer-rtp = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
tokio = "0.1"
tokio-reactor = "0.1"
tokio-executor = "0.1"
tokio-timer = "0.2"
tokio-current-thread = "0.1"
futures = "0.1"
gst = { package = "gstreamer", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-app = { package = "gstreamer-app", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-check = { package = "gstreamer-check", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-net = { package = "gstreamer-net", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gst-rtp = { package = "gstreamer-rtp", git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs" }
gstreamer-sys = { git = "https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys" }
tokio = "=0.2.0-alpha.6"
tokio-executor = { version = "=0.2.0-alpha.6", features = ["current-thread"] }
tokio-net = { version = "=0.2.0-alpha.6", features = ["tcp", "udp"] }
tokio-timer = "=0.3.0-alpha.6"
futures-preview = "0.3.0-alpha.19"
lazy_static = "1.0"
either = "1.0"
rand = "0.7"

4
gst-plugin-threadshare/examples/benchmark.rs
View file

@ -15,10 +15,10 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib as glib;
use glib;
use glib::prelude::*;
extern crate gstreamer as gst;
use gst;
use gst::prelude::*;
use std::env;

146
gst-plugin-threadshare/src/appsrc.rs
View file

@ -15,26 +15,30 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use either::Either;
use futures::channel::mpsc;
use futures::prelude::*;
use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_element_error, gst_error, gst_error_msg, gst_log, gst_trace};
use lazy_static::lazy_static;
use rand;
use std::sync::Mutex;
use std::u32;
use futures::future;
use futures::sync::{mpsc, oneshot};
use futures::{Future, Stream};
use either::Either;
use rand;
use iocontext::*;
use super::iocontext::*;
const DEFAULT_CONTEXT: &str = "";
const DEFAULT_CONTEXT_WAIT: u32 = 0;
@ -119,7 +123,7 @@ struct State {
io_context: Option<IOContext>,
pending_future_id: Option<PendingFutureId>,
channel: Option<mpsc::Sender<Either<gst::Buffer, gst::Event>>>,
pending_future_cancel: Option<oneshot::Sender<()>>,
pending_future_abort_handle: Option<future::AbortHandle>,
need_initial_events: bool,
configured_caps: Option<gst::Caps>,
}
@ -130,7 +134,7 @@ impl Default for State {
io_context: None,
pending_future_id: None,
channel: None,
pending_future_cancel: None,
pending_future_abort_handle: None,
need_initial_events: true,
configured_caps: None,
}
@ -294,101 +298,102 @@ impl AppSrc {
}
}
fn push_item(
&self,
element: &gst::Element,
async fn push_item(
element: gst::Element,
item: Either<gst::Buffer, gst::Event>,
) -> future::Either<
Box<dyn Future<Item = (), Error = ()> + Send + 'static>,
future::FutureResult<(), ()>,
> {
) -> Result<(), gst::FlowError> {
let appsrc = Self::from_instance(&element);
let mut events = Vec::new();
let mut state = self.state.lock().unwrap();
if state.need_initial_events {
gst_debug!(CAT, obj: element, "Pushing initial events");
let stream_id = format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(gst::Event::new_stream_start(&stream_id).build());
if let Some(ref caps) = self.settings.lock().unwrap().caps {
{
let mut state = appsrc.state.lock().unwrap();
if state.need_initial_events {
gst_debug!(CAT, obj: &element, "Pushing initial events");
let stream_id =
format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(
gst::Event::new_stream_start(&stream_id)
.group_id(gst::util_group_id_next())
.build(),
);
if let Some(ref caps) = appsrc.settings.lock().unwrap().caps {
events.push(gst::Event::new_caps(&caps).build());
state.configured_caps = Some(caps.clone());
}
events.push(
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new()).build(),
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new())
.build(),
);
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
// Get rid of reconfigure flag
self.src_pad.check_reconfigure();
appsrc.src_pad.check_reconfigure();
}
state.need_initial_events = false;
} else if self.src_pad.check_reconfigure() {
} else if appsrc.src_pad.check_reconfigure() {
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
}
}
drop(state);
}
for event in events {
self.src_pad.push_event(event);
appsrc.src_pad.push_event(event);
}
let res = match item {
Either::Left(buffer) => {
gst_log!(CAT, obj: element, "Forwarding buffer {:?}", buffer);
self.src_pad.push(buffer).map(|_| ())
gst_log!(CAT, obj: &element, "Forwarding buffer {:?}", buffer);
appsrc.src_pad.push(buffer).map(|_| ())
}
Either::Right(event) => {
gst_log!(CAT, obj: element, "Forwarding event {:?}", event);
self.src_pad.push_event(event);
gst_log!(CAT, obj: &element, "Forwarding event {:?}", event);
appsrc.src_pad.push_event(event);
Ok(())
}
};
let res = match res {
Ok(_) => {
gst_log!(CAT, obj: element, "Successfully pushed item");
Ok(())
}
Err(gst::FlowError::Flushing) | Err(gst::FlowError::Eos) => {
gst_debug!(CAT, obj: element, "EOS");
Err(())
}
Err(err) => {
gst_error!(CAT, obj: element, "Got error {}", err);
gst_element_error!(
element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
Err(())
}
};
match res {
Ok(()) => {
let mut state = self.state.lock().unwrap();
Ok(()) => gst_log!(CAT, obj: &element, "Successfully pushed item"),
Err(gst::FlowError::Eos) => gst_debug!(CAT, obj: &element, "EOS"),
Err(gst::FlowError::Flushing) => gst_debug!(CAT, obj: &element, "Flushing"),
Err(err) => {
gst_error!(CAT, obj: &element, "Got error {}", err);
gst_element_error!(
&element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
}
}
res?;
let abortable_drain = {
let mut state = appsrc.state.lock().unwrap();
if let State {
io_context: Some(ref io_context),
pending_future_id: Some(ref pending_future_id),
ref mut pending_future_cancel,
ref mut pending_future_abort_handle,
..
} = *state
{
let (cancel, future) = io_context.drain_pending_futures(*pending_future_id);
*pending_future_cancel = cancel;
let (abort_handle, abortable_drain) =
io_context.drain_pending_futures(*pending_future_id);
*pending_future_abort_handle = abort_handle;
future
abortable_drain
} else {
future::Either::B(future::ok(()))
}
}
Err(_) => future::Either::B(future::err(())),
return Ok(());
}
};
abortable_drain.await
}
fn prepare(&self, element: &gst::Element) -> Result<(), gst::ErrorMessage> {
@ -466,10 +471,8 @@ impl AppSrc {
let (channel_sender, channel_receiver) = mpsc::channel(settings.max_buffers as usize);
let element_clone = element.clone();
let future = channel_receiver.for_each(move |item| {
let appsrc = Self::from_instance(&element_clone);
appsrc.push_item(&element_clone, item)
});
let future = channel_receiver
.for_each(move |item| Self::push_item(element_clone.clone(), item).map(|_| ()));
io_context.spawn(future);
*channel = Some(channel_sender);
@ -483,7 +486,10 @@ impl AppSrc {
let mut state = self.state.lock().unwrap();
let _ = state.channel.take();
let _ = state.pending_future_cancel.take();
if let Some(abort_handle) = state.pending_future_abort_handle.take() {
abort_handle.abort();
}
gst_debug!(CAT, obj: element, "Stopped");
@ -651,7 +657,7 @@ impl ObjectImpl for AppSrc {
let element = obj.downcast_ref::<gst::Element>().unwrap();
element.add_pad(&self.src_pad).unwrap();
::set_element_flags(element, gst::ElementFlags::SOURCE);
super::set_element_flags(element, gst::ElementFlags::SOURCE);
}
}

73
gst-plugin-threadshare/src/dataqueue.rs
View file

@ -15,18 +15,24 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use futures::channel::oneshot;
use futures::prelude::*;
use gst;
use gst::gst_debug;
use gst::prelude::*;
use lazy_static::lazy_static;
use std::collections::VecDeque;
use std::pin::Pin;
use std::sync::{Arc, Mutex};
use std::task::{self, Poll};
use std::{u32, u64};
use futures::sync::oneshot;
use futures::task;
use futures::{Async, Future, IntoFuture, Poll, Stream};
use tokio_executor::current_thread as tokio_current_thread;
use iocontext::*;
use super::iocontext::*;
lazy_static! {
static ref DATA_QUEUE_CAT: gst::DebugCategory = gst::DebugCategory::new(
@ -89,7 +95,7 @@ struct DataQueueInner {
max_size_bytes: Option<u32>,
max_size_time: Option<u64>,
current_task: Option<task::Task>,
waker: Option<task::Waker>,
shutdown_receiver: Option<oneshot::Receiver<()>>,
}
@ -109,16 +115,20 @@ impl DataQueue {
max_size_buffers,
max_size_bytes,
max_size_time,
current_task: None,
waker: None,
shutdown_receiver: None,
})))
}
pub fn schedule<U, F, G>(&self, io_context: &IOContext, func: F, err_func: G) -> Result<(), ()>
pub fn schedule<F, G, Fut>(
&self,
io_context: &IOContext,
func: F,
err_func: G,
) -> Result<(), ()>
where
F: Fn(DataQueueItem) -> U + Send + 'static,
U: IntoFuture<Item = (), Error = gst::FlowError> + 'static,
<U as IntoFuture>::Future: Send + 'static,
F: Fn(DataQueueItem) -> Fut + Send + 'static,
Fut: Future<Output = Result<(), gst::FlowError>> + Send + 'static,
G: FnOnce(gst::FlowError) + Send + 'static,
{
// Ready->Paused
@ -136,12 +146,12 @@ impl DataQueue {
assert_eq!(inner.state, DataQueueState::Unscheduled);
inner.state = DataQueueState::Scheduled;
let (sender, receiver) = oneshot::channel::<()>();
let (sender, receiver) = oneshot::channel();
inner.shutdown_receiver = Some(receiver);
let queue_clone = self.clone();
let element_clone = inner.element.clone();
io_context.spawn(queue_clone.for_each(func).then(move |res| {
io_context.spawn(queue_clone.try_for_each(func).then(move |res| {
gst_debug!(
DATA_QUEUE_CAT,
obj: &element_clone,
@ -155,8 +165,9 @@ impl DataQueue {
let _ = sender.send(());
Ok(())
future::ready(())
}));
Ok(())
}
@ -164,6 +175,7 @@ impl DataQueue {
// Paused->Playing
//
// Change state to Running and signal task
let mut inner = self.0.lock().unwrap();
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Unpausing data queue");
if inner.state == DataQueueState::Running {
@ -174,8 +186,8 @@ impl DataQueue {
assert_eq!(inner.state, DataQueueState::Scheduled);
inner.state = DataQueueState::Running;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
}
@ -194,8 +206,8 @@ impl DataQueue {
assert_eq!(inner.state, DataQueueState::Running);
inner.state = DataQueueState::Scheduled;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
}
@ -215,15 +227,15 @@ impl DataQueue {
assert!(inner.state == DataQueueState::Scheduled || inner.state == DataQueueState::Running);
inner.state = DataQueueState::Shutdown;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
let shutdown_receiver = inner.shutdown_receiver.take().unwrap();
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Waiting for data queue to shut down");
drop(inner);
shutdown_receiver.wait().expect("Already shut down");
tokio_current_thread::block_on_all(shutdown_receiver).expect("Already shut down");
let mut inner = self.0.lock().unwrap();
inner.state = DataQueueState::Unscheduled;
@ -287,8 +299,8 @@ impl DataQueue {
inner.cur_size_buffers += count;
inner.cur_size_bytes += bytes;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
Ok(())
@ -302,18 +314,17 @@ impl Drop for DataQueueInner {
}
impl Stream for DataQueue {
type Item = DataQueueItem;
type Error = gst::FlowError;
type Item = Result<DataQueueItem, gst::FlowError>;
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
fn poll_next(self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Option<Self::Item>> {
let mut inner = self.0.lock().unwrap();
if inner.state == DataQueueState::Shutdown {
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Data queue shutting down");
return Ok(Async::Ready(None));
return Poll::Ready(None);
} else if inner.state == DataQueueState::Scheduled {
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Data queue not running");
inner.current_task = Some(task::current());
return Ok(Async::NotReady);
inner.waker = Some(cx.waker().clone());
return Poll::Pending;
}
assert_eq!(inner.state, DataQueueState::Running);
@ -322,8 +333,8 @@ impl Stream for DataQueue {
match inner.queue.pop_front() {
None => {
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Data queue is empty");
inner.current_task = Some(task::current());
Ok(Async::NotReady)
inner.waker = Some(cx.waker().clone());
Poll::Pending
}
Some(item) => {
gst_debug!(DATA_QUEUE_CAT, obj: &inner.element, "Popped item {:?}", item);
@ -332,7 +343,7 @@ impl Stream for DataQueue {
inner.cur_size_buffers -= count;
inner.cur_size_bytes -= bytes;
Ok(Async::Ready(Some(item)))
Poll::Ready(Some(Ok(item)))
}
}
}

161
gst-plugin-threadshare/src/iocontext.rs
View file

@ -15,26 +15,32 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use futures::channel::{mpsc, oneshot};
use futures::future::{AbortHandle, Abortable, BoxFuture};
use futures::prelude::*;
use futures::ready;
use futures::stream::futures_unordered::FuturesUnordered;
use glib;
use glib::{glib_boxed_derive_traits, glib_boxed_type};
use gst;
use gst::{gst_debug, gst_log, gst_trace};
use lazy_static::lazy_static;
use std::cmp;
use std::collections::{BinaryHeap, HashMap};
use std::io;
use std::mem;
use std::sync::{atomic, mpsc};
use std::pin::Pin;
use std::sync::atomic;
use std::sync::{Arc, Mutex, Weak};
use std::task::{self, Poll};
use std::thread;
use std::time;
use futures::future;
use futures::stream::futures_unordered::FuturesUnordered;
use futures::sync::mpsc as futures_mpsc;
use futures::sync::oneshot;
use futures::{Async, Future, Stream};
use tokio::reactor;
use tokio_current_thread;
use tokio_timer::timer;
use glib;
use gst;
use tokio_executor::current_thread as tokio_current_thread;
lazy_static! {
static ref CONTEXTS: Mutex<HashMap<String, Weak<IOContextInner>>> = Mutex::new(HashMap::new());
@ -58,7 +64,7 @@ impl IOContextRunner {
fn start(
name: &str,
wait: u32,
reactor: reactor::Reactor,
reactor: tokio_net::driver::Reactor,
timers: Arc<Mutex<BinaryHeap<TimerEntry>>>,
) -> (tokio_current_thread::Handle, IOContextShutdown) {
let handle = reactor.handle().clone();
@ -71,7 +77,7 @@ impl IOContextRunner {
name: name_clone,
};
let (sender, receiver) = mpsc::channel();
let (sender, receiver) = oneshot::channel();
let join = thread::spawn(move || {
runner.run(wait, reactor, sender, timers);
@ -84,7 +90,8 @@ impl IOContextRunner {
join: Some(join),
};
let runtime_handle = receiver.recv().unwrap();
let runtime_handle =
tokio_current_thread::block_on_all(receiver).expect("Runtime init failed");
(runtime_handle, shutdown)
}
@ -92,28 +99,33 @@ impl IOContextRunner {
fn run(
&mut self,
wait: u32,
reactor: reactor::Reactor,
sender: mpsc::Sender<tokio_current_thread::Handle>,
reactor: tokio_net::driver::Reactor,
sender: oneshot::Sender<tokio_current_thread::Handle>,
timers: Arc<Mutex<BinaryHeap<TimerEntry>>>,
) {
let wait = time::Duration::from_millis(wait as u64);
use std::time::{Duration, Instant};
gst_debug!(CONTEXT_CAT, "Started reactor thread '{}'", self.name);
let wait = Duration::from_millis(wait as u64);
let handle = reactor.handle();
let mut enter = ::tokio_executor::enter().unwrap();
let timer = timer::Timer::new(reactor);
let timer = tokio_timer::Timer::new(reactor);
let timer_handle = timer.handle();
let mut current_thread = tokio_current_thread::CurrentThread::new_with_park(timer);
let _ = sender.send(current_thread.handle());
sender
.send(current_thread.handle())
.expect("Couldn't send Runtime handle");
let mut now = time::Instant::now();
let _timer_guard = tokio_timer::set_default(&timer_handle);
let _reactor_guard = tokio_net::driver::set_default(&handle);
::tokio_timer::with_default(&timer_handle, &mut enter, |mut enter| {
::tokio_reactor::with_default(&handle, &mut enter, |enter| loop {
let mut now = Instant::now();
loop {
if self.shutdown.load(atomic::Ordering::SeqCst) > RUNNING {
gst_debug!(CONTEXT_CAT, "Shutting down loop");
break;
}
@ -161,7 +173,6 @@ impl IOContextRunner {
gst_trace!(CONTEXT_CAT, "Turning current thread '{}'", self.name);
while current_thread
.enter(enter)
.turn(Some(time::Duration::from_millis(0)))
.unwrap()
.has_polled()
@ -195,7 +206,7 @@ impl IOContextRunner {
drop(timers);
gst_trace!(CONTEXT_CAT, "Sleeping for up to {:?}", wait);
current_thread.enter(enter).turn(wait).unwrap();
current_thread.turn(wait).unwrap();
gst_trace!(CONTEXT_CAT, "Slept for {:?}", now.elapsed());
now = time::Instant::now();
} else {
@ -211,8 +222,7 @@ impl IOContextRunner {
now += wait;
}
})
});
}
}
}
@ -225,7 +235,7 @@ impl Drop for IOContextRunner {
struct IOContextShutdown {
name: String,
shutdown: Arc<atomic::AtomicUsize>,
handle: reactor::Handle,
handle: tokio_net::driver::Handle,
join: Option<thread::JoinHandle<()>>,
}
@ -255,19 +265,17 @@ impl glib::subclass::boxed::BoxedType for IOContext {
glib_boxed_derive_traits!(IOContext);
type PendingFutures = Mutex<(
u64,
HashMap<u64, FuturesUnordered<Box<dyn Future<Item = (), Error = ()> + Send + 'static>>>,
)>;
pub type PendingFuturesOutput = Result<(), gst::FlowError>;
type PendingFutureQueue = FuturesUnordered<BoxFuture<'static, PendingFuturesOutput>>;
struct IOContextInner {
name: String,
runtime_handle: Mutex<tokio_current_thread::Handle>,
reactor_handle: reactor::Handle,
reactor_handle: tokio_net::driver::Handle,
timers: Arc<Mutex<BinaryHeap<TimerEntry>>>,
// Only used for dropping
_shutdown: IOContextShutdown,
pending_futures: PendingFutures,
pending_futures: Mutex<(u64, HashMap<u64, PendingFutureQueue>)>,
}
impl Drop for IOContextInner {
@ -288,7 +296,7 @@ impl IOContext {
}
}
let reactor = reactor::Reactor::new()?;
let reactor = tokio_net::driver::Reactor::new()?;
let reactor_handle = reactor.handle().clone();
let timers = Arc::new(Mutex::new(BinaryHeap::new()));
@ -310,14 +318,14 @@ impl IOContext {
Ok(IOContext(context))
}
pub fn spawn<F>(&self, future: F)
pub fn spawn<Fut>(&self, future: Fut)
where
F: Future<Item = (), Error = ()> + Send + 'static,
Fut: Future<Output = ()> + Send + 'static,
{
self.0.runtime_handle.lock().unwrap().spawn(future).unwrap();
}
pub fn reactor_handle(&self) -> &reactor::Handle {
pub fn reactor_handle(&self) -> &tokio_net::driver::Handle {
&self.0.reactor_handle
}
@ -333,23 +341,29 @@ impl IOContext {
pub fn release_pending_future_id(&self, id: PendingFutureId) {
let mut pending_futures = self.0.pending_futures.lock().unwrap();
if let Some(fs) = pending_futures.1.remove(&id.0) {
self.spawn(fs.for_each(|_| Ok(())));
self.spawn(fs.try_for_each(|_| future::ok(())).map(|_| ()));
}
}
pub fn add_pending_future<F>(&self, id: PendingFutureId, future: F)
where
F: Future<Item = (), Error = ()> + Send + 'static,
F: Future<Output = PendingFuturesOutput> + Send + 'static,
{
let mut pending_futures = self.0.pending_futures.lock().unwrap();
let fs = pending_futures.1.get_mut(&id.0).unwrap();
fs.push(Box::new(future))
fs.push(future.boxed())
}
pub fn drain_pending_futures<E: Send + 'static>(
pub fn drain_pending_futures(
&self,
id: PendingFutureId,
) -> (Option<oneshot::Sender<()>>, PendingFuturesFuture<E>) {
) -> (
Option<AbortHandle>,
future::Either<
BoxFuture<'static, PendingFuturesOutput>,
future::Ready<PendingFuturesOutput>,
>,
) {
let mut pending_futures = self.0.pending_futures.lock().unwrap();
let fs = pending_futures.1.get_mut(&id.0).unwrap();
@ -364,25 +378,29 @@ impl IOContext {
id,
);
let (sender, receiver) = oneshot::channel();
let (abort_handle, abort_registration) = AbortHandle::new_pair();
let future = pending_futures
.for_each(|_| Ok(()))
.select(receiver.then(|_| Ok(())))
.then(|_| Ok(()));
let abortable = Abortable::new(
pending_futures.try_for_each(|_| future::ok(())),
abort_registration,
)
.map(|res| {
res.unwrap_or_else(|_| {
gst_trace!(CONTEXT_CAT, "Aborting");
(Some(sender), future::Either::A(Box::new(future)))
Err(gst::FlowError::Flushing)
})
})
.boxed()
.left_future();
(Some(abort_handle), abortable)
} else {
(None, future::Either::B(future::ok(())))
(None, future::ok(()).right_future())
}
}
}
pub type PendingFuturesFuture<E> = future::Either<
Box<dyn Future<Item = (), Error = E> + Send + 'static>,
future::FutureResult<(), E>,
>;
#[derive(Clone, Copy, Eq, PartialEq, Hash, Debug)]
pub struct PendingFutureId(u64);
@ -401,7 +419,7 @@ pub struct TimerEntry {
time: time::Instant,
id: usize, // for producing a total order
interval: Option<time::Duration>,
sender: futures_mpsc::UnboundedSender<()>,
sender: mpsc::UnboundedSender<()>,
}
impl PartialEq for TimerEntry {
@ -429,7 +447,7 @@ impl Ord for TimerEntry {
#[allow(unused)]
pub struct Interval {
receiver: futures_mpsc::UnboundedReceiver<()>,
receiver: mpsc::UnboundedReceiver<()>,
}
impl Interval {
@ -437,7 +455,7 @@ impl Interval {
pub fn new(context: &IOContext, interval: time::Duration) -> Self {
use tokio_executor::park::Unpark;
let (sender, receiver) = futures_mpsc::unbounded();
let (sender, receiver) = mpsc::unbounded();
let mut timers = context.0.timers.lock().unwrap();
let entry = TimerEntry {
@ -455,20 +473,19 @@ impl Interval {
impl Stream for Interval {
type Item = ();
type Error = ();
fn poll(&mut self) -> futures::Poll<Option<Self::Item>, Self::Error> {
self.receiver.poll()
fn poll_next(mut self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Option<Self::Item>> {
self.receiver.poll_next_unpin(cx)
}
}
pub struct Timeout {
receiver: futures_mpsc::UnboundedReceiver<()>,
receiver: mpsc::UnboundedReceiver<()>,
}
impl Timeout {
pub fn new(context: &IOContext, timeout: time::Duration) -> Self {
let (sender, receiver) = futures_mpsc::unbounded();
let (sender, receiver) = mpsc::unbounded();
let mut timers = context.0.timers.lock().unwrap();
let entry = TimerEntry {
@ -484,16 +501,12 @@ impl Timeout {
}
impl Future for Timeout {
type Item = ();
type Error = ();
type Output = ();
fn poll(&mut self) -> futures::Poll<Self::Item, Self::Error> {
let res = self.receiver.poll()?;
match res {
Async::NotReady => Ok(Async::NotReady),
Async::Ready(None) => unreachable!(),
Async::Ready(Some(_)) => Ok(Async::Ready(())),
fn poll(mut self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Self::Output> {
match ready!(self.receiver.poll_next_unpin(cx)) {
Some(_) => Poll::Ready(()),
None => unreachable!(),
}
}
}

70
gst-plugin-threadshare/src/jitterbuffer.rs
View file

@ -19,24 +19,27 @@ use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_info, gst_log, gst_trace};
use gst_rtp::RTPBuffer;
use lazy_static::lazy_static;
use std::cmp::{max, min, Ordering};
use std::collections::BTreeSet;
use std::sync::{Mutex, MutexGuard};
use std::time;
use futures::sync::oneshot;
use futures::Future;
use futures::future::{AbortHandle, Abortable};
use futures::prelude::*;
use iocontext::*;
use crate::iocontext::*;
use RTPJitterBuffer;
use RTPJitterBufferItem;
use RTPPacketRateCtx;
use crate::{RTPJitterBuffer, RTPJitterBufferItem, RTPPacketRateCtx};
const DEFAULT_LATENCY_MS: u32 = 200;
const DEFAULT_DO_LOST: bool = false;
@ -202,10 +205,10 @@ struct State {
earliest_seqnum: u16,
last_popped_pts: gst::ClockTime,
discont: bool,
cancel: Option<oneshot::Sender<()>>,
abort_handle: Option<AbortHandle>,
last_res: Result<gst::FlowSuccess, gst::FlowError>,
pending_future_id: Option<PendingFutureId>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
pending_future_abort_handle: Option<AbortHandle>,
}
impl Default for State {
@ -232,10 +235,10 @@ impl Default for State {
earliest_seqnum: 0,
last_popped_pts: gst::CLOCK_TIME_NONE,
discont: false,
cancel: None,
abort_handle: None,
last_res: Ok(gst::FlowSuccess::Ok),
pending_future_id: None,
pending_future_cancel: None,
pending_future_abort_handle: None,
}
}
}
@ -811,11 +814,11 @@ impl JitterBuffer {
}
};
if let Some(cancel) = state.cancel.take() {
let _ = cancel.send(());
if let Some(abort_handle) = state.abort_handle.take() {
abort_handle.abort();
}
let (cancel, cancel_handler) = oneshot::channel();
let (abort_handle, abort_registration) = AbortHandle::new_pair();
let element_clone = element.clone();
@ -825,13 +828,12 @@ impl JitterBuffer {
state.io_context.as_ref().unwrap(),
time::Duration::from_nanos(timeout),
)
.map_err(|e| panic!("timer failed; err={:?}", e))
.and_then(move |_| {
.map(move |_| {
let jb = Self::from_instance(&element_clone);
let mut state = jb.state.lock().unwrap();
if state.io_context.is_none() {
return Ok(());
return;
}
let now = jb.get_current_running_time(&element_clone);
@ -843,7 +845,9 @@ impl JitterBuffer {
state.earliest_pts
);
let _ = state.cancel.take();
if let Some(abort_handle) = state.abort_handle.take() {
abort_handle.abort();
}
/* Check earliest PTS as we have just taken the lock */
if state.earliest_pts.is_some()
@ -856,15 +860,19 @@ impl JitterBuffer {
state.last_res = jb.pop_and_push(&mut state, &element_clone);
if let Some(pending_future_id) = state.pending_future_id {
let (cancel, future) = state
let (abort_handle, abortable_drain) = state
.io_context
.as_ref()
.unwrap()
.drain_pending_futures(pending_future_id);
state.pending_future_cancel = cancel;
state.pending_future_abort_handle = abort_handle;
state.io_context.as_ref().unwrap().spawn(future);
state
.io_context
.as_ref()
.unwrap()
.spawn(abortable_drain.map(|_| ()));
}
if head_pts == state.earliest_pts
@ -876,7 +884,7 @@ impl JitterBuffer {
state.earliest_seqnum = earliest_seqnum as u16;
}
if state.pending_future_cancel.is_some()
if state.pending_future_abort_handle.is_some()
|| state.earliest_pts.is_none()
|| state.earliest_pts + latency_ns
- state.packet_spacing
@ -889,15 +897,17 @@ impl JitterBuffer {
}
jb.schedule(&mut state, &element_clone);
Ok(())
});
let future = timer.select(cancel_handler).then(|_| Ok(()));
let abortable_timer = Abortable::new(timer, abort_registration);
state.cancel = Some(cancel);
state.abort_handle = Some(abort_handle);
state.io_context.as_ref().unwrap().spawn(future);
state
.io_context
.as_ref()
.unwrap()
.spawn(abortable_timer.map(|_| ()));
}
}
@ -1298,7 +1308,9 @@ impl ElementImpl for JitterBuffer {
}
gst::StateChange::PausedToReady => {
let mut state = self.state.lock().unwrap();
let _ = state.pending_future_cancel.take();
if let Some(abort_handle) = state.pending_future_abort_handle.take() {
abort_handle.abort();
}
}
gst::StateChange::ReadyToNull => {
let mut state = self.state.lock().unwrap();
@ -1312,7 +1324,9 @@ impl ElementImpl for JitterBuffer {
state.jbuf.borrow().flush();
let _ = state.cancel.take();
if let Some(abort_handle) = state.abort_handle.take() {
abort_handle.abort();
}
let _ = state.io_context.take();
}
_ => (),

90
gst-plugin-threadshare/src/lib.rs
View file

@ -17,40 +17,6 @@
#![crate_type = "cdylib"]
extern crate libc;
extern crate gio_sys as gio_ffi;
extern crate glib_sys as glib_ffi;
extern crate gobject_sys as gobject_ffi;
extern crate gstreamer_sys as gst_ffi;
extern crate gio;
#[macro_use]
extern crate glib;
#[macro_use]
extern crate gstreamer as gst;
extern crate gstreamer_net as gst_net;
extern crate gstreamer_rtp as gst_rtp;
extern crate futures;
extern crate tokio;
extern crate tokio_current_thread;
extern crate tokio_executor;
extern crate tokio_reactor;
extern crate tokio_timer;
extern crate either;
extern crate rand;
#[macro_use]
extern crate lazy_static;
extern crate net2;
#[cfg(windows)]
extern crate winapi;
mod iocontext;
mod socket;
@ -63,10 +29,11 @@ mod jitterbuffer;
mod proxy;
mod queue;
use glib::prelude::*;
use glib::translate::*;
use std::mem;
use std::ptr;
use glib_sys as glib_ffi;
use gst;
use gst::gst_plugin_define;
use gstreamer_sys as gst_ffi;
fn plugin_init(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
udpsrc::register(plugin)?;
@ -123,7 +90,10 @@ impl<'a> Drop for MutexGuard<'a> {
pub mod ffi {
use glib_ffi::{gboolean, gpointer, GList, GType};
use glib_sys as glib_ffi;
use gst_ffi::GstClockTime;
use gstreamer_sys as gst_ffi;
use libc::{c_int, c_uint, c_ulonglong, c_ushort, c_void};
#[repr(C)]
@ -214,6 +184,13 @@ pub mod ffi {
}
}
use glib::prelude::*;
use glib::translate::*;
use glib::{glib_object_wrapper, glib_wrapper};
use std::mem;
use std::ptr;
glib_wrapper! {
pub struct RTPJitterBuffer(Object<ffi::RTPJitterBuffer, RTPJitterBufferClass>);
@ -335,9 +312,9 @@ unsafe impl Send for RTPPacketRateCtx {}
impl RTPPacketRateCtx {
pub fn new() -> RTPPacketRateCtx {
unsafe {
let mut ptr: ffi::RTPPacketRateCtx = std::mem::uninitialized();
ffi::gst_rtp_packet_rate_ctx_reset(&mut ptr, -1);
RTPPacketRateCtx(Box::new(ptr))
let mut ptr = std::mem::MaybeUninit::uninit();
ffi::gst_rtp_packet_rate_ctx_reset(ptr.as_mut_ptr(), -1);
RTPPacketRateCtx(Box::new(ptr.assume_init()))
}
}
@ -432,29 +409,35 @@ impl RTPJitterBuffer {
pub fn insert(&self, mut item: RTPJitterBufferItem) -> (bool, bool, i32) {
unsafe {
let mut head = mem::uninitialized();
let mut percent = mem::uninitialized();
let mut head = mem::MaybeUninit::uninit();
let mut percent = mem::MaybeUninit::uninit();
let box_ = item.0.take().expect("Invalid wrapper");
let ptr = Box::into_raw(box_);
let ret: bool = from_glib(ffi::rtp_jitter_buffer_insert(
self.to_glib_none().0,
ptr,
&mut head,
&mut percent,
head.as_mut_ptr(),
percent.as_mut_ptr(),
));
if !ret {
item.0 = Some(Box::from_raw(ptr));
}
(ret, from_glib(head), percent)
(ret, from_glib(head.assume_init()), percent.assume_init())
}
}
pub fn find_earliest(&self) -> (gst::ClockTime, u32) {
unsafe {
let mut pts = mem::uninitialized();
let mut seqnum = mem::uninitialized();
let mut pts = mem::MaybeUninit::uninit();
let mut seqnum = mem::MaybeUninit::uninit();
ffi::rtp_jitter_buffer_find_earliest(self.to_glib_none().0, &mut pts, &mut seqnum);
ffi::rtp_jitter_buffer_find_earliest(
self.to_glib_none().0,
pts.as_mut_ptr(),
seqnum.as_mut_ptr(),
);
let pts = pts.assume_init();
let seqnum = seqnum.assume_init();
if pts == gst_ffi::GST_CLOCK_TIME_NONE {
(gst::CLOCK_TIME_NONE, seqnum)
@ -466,10 +449,13 @@ impl RTPJitterBuffer {
pub fn pop(&self) -> (RTPJitterBufferItem, i32) {
unsafe {
let mut percent = mem::uninitialized();
let item = ffi::rtp_jitter_buffer_pop(self.to_glib_none().0, &mut percent);
let mut percent = mem::MaybeUninit::uninit();
let item = ffi::rtp_jitter_buffer_pop(self.to_glib_none().0, percent.as_mut_ptr());
(RTPJitterBufferItem(Some(Box::from_raw(item))), percent)
(
RTPJitterBufferItem(Some(Box::from_raw(item))),
percent.assume_init(),
)
}
}

166
gst-plugin-threadshare/src/proxy.rs
View file

@ -15,28 +15,29 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use futures::prelude::*;
use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_element_error, gst_error, gst_error_msg, gst_log, gst_trace};
use std::collections::HashMap;
use std::collections::VecDeque;
use lazy_static::lazy_static;
use std::collections::{HashMap, VecDeque};
use std::sync::{Arc, Mutex, Weak};
use std::task::{self, Poll};
use std::{u32, u64};
use futures;
use futures::future;
use futures::task;
use futures::{Async, Future};
use tokio_executor::current_thread as tokio_current_thread;
use tokio::executor;
use dataqueue::*;
use iocontext::*;
use super::{dataqueue::*, iocontext::*};
lazy_static! {
static ref CONTEXTS: Mutex<HashMap<String, Weak<Mutex<SharedQueueInner>>>> =
@ -200,7 +201,7 @@ impl SharedQueue {
queue: None,
last_res: Err(gst::FlowError::Flushing),
pending_queue: None,
pending_future_cancel: None,
pending_future_abort_handle: None,
have_sink: as_sink,
have_src: !as_sink,
}));
@ -220,15 +221,17 @@ impl Drop for SharedQueue {
let mut inner = self.0.lock().unwrap();
assert!(inner.have_sink);
inner.have_sink = false;
if let Some((Some(task), _, _)) = inner.pending_queue.take() {
task.notify();
if let Some((Some(waker), _, _)) = inner.pending_queue.take() {
waker.wake();
}
} else {
let mut inner = self.0.lock().unwrap();
assert!(inner.have_src);
inner.have_src = false;
let _ = inner.queue.take();
let _ = inner.pending_future_cancel.take();
if let Some(abort_handle) = inner.pending_future_abort_handle.take() {
abort_handle.abort();
}
}
}
}
@ -237,8 +240,8 @@ struct SharedQueueInner {
name: String,
queue: Option<DataQueue>,
last_res: Result<gst::FlowSuccess, gst::FlowError>,
pending_queue: Option<(Option<task::Task>, bool, VecDeque<DataQueueItem>)>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
pending_queue: Option<(Option<task::Waker>, bool, VecDeque<DataQueueItem>)>,
pending_future_abort_handle: Option<future::AbortHandle>,
have_sink: bool,
have_src: bool,
}
@ -377,7 +380,7 @@ impl ProxySink {
queue.pending_queue.as_mut().unwrap().1 = true;
let element_clone = element.clone();
let future = future::poll_fn(move || {
let future = future::poll_fn(move |cx| {
let sink = Self::from_instance(&element_clone);
let state = sink.state.lock().unwrap();
@ -390,7 +393,7 @@ impl ProxySink {
let mut queue = match state.queue {
Some(ref queue) => queue.0.lock().unwrap(),
None => {
return Ok(Async::Ready(()));
return Poll::Ready(Ok(()));
}
};
@ -400,8 +403,8 @@ impl ProxySink {
..
} = *queue;
let res = if let Some((ref mut task, _, ref mut items)) = *pending_queue
{
let res =
if let Some((ref mut waker, _, ref mut items)) = *pending_queue {
if let Some(ref queue) = queue {
let mut failed_item = None;
while let Some(item) = items.pop_front() {
@ -412,20 +415,20 @@ impl ProxySink {
if let Some(failed_item) = failed_item {
items.push_front(failed_item);
*task = Some(task::current());
*waker = Some(cx.waker().clone());
gst_log!(
SINK_CAT,
obj: &element_clone,
"Waiting for more queue space"
);
Ok(Async::NotReady)
Poll::Pending
} else {
gst_log!(
SINK_CAT,
obj: &element_clone,
"Pending queue is empty now"
);
Ok(Async::Ready(()))
Poll::Ready(Ok(()))
}
} else {
gst_log!(
@ -433,7 +436,7 @@ impl ProxySink {
obj: &element_clone,
"Waiting for queue to be allocated"
);
Ok(Async::NotReady)
Poll::Pending
}
} else {
gst_log!(
@ -441,10 +444,10 @@ impl ProxySink {
obj: &element_clone,
"Flushing, dropping pending queue"
);
Ok(Async::Ready(()))
Poll::Ready(Ok(()))
};
if res == Ok(Async::Ready(())) {
if res == Poll::Ready(Ok(())) {
*pending_queue = None;
}
@ -476,7 +479,7 @@ impl ProxySink {
if let Some(wait_future) = wait_future {
gst_log!(SINK_CAT, obj: element, "Blocking until queue becomes empty");
executor::current_thread::block_on_all(wait_future).map_err(|_| {
tokio_current_thread::block_on_all(wait_future).map_err(|_| {
gst_element_error!(
element,
gst::StreamError::Failed,
@ -537,12 +540,12 @@ impl ProxySink {
let mut state = self.state.lock().unwrap();
let io_context = s
.get::<&IOContext>("io-context")
.expect("signal arg")
.expect("missing signal arg");
.expect("event field")
.expect("missing event field");
let pending_future_id = s
.get::<&PendingFutureId>("pending-future-id")
.expect("signal arg")
.expect("missing signal arg");
.expect("event field")
.expect("missing event field");
gst_debug!(
SINK_CAT,
@ -627,8 +630,8 @@ impl ProxySink {
let mut queue = state.queue.as_ref().unwrap().0.lock().unwrap();
if let Some((Some(task), _, _)) = queue.pending_queue.take() {
task.notify();
if let Some((Some(waker), _, _)) = queue.pending_queue.take() {
waker.wake();
}
queue.last_res = Err(gst::FlowError::Flushing);
@ -745,7 +748,7 @@ impl ObjectImpl for ProxySink {
let element = obj.downcast_ref::<gst::Element>().unwrap();
element.add_pad(&self.sink_pad).unwrap();
::set_element_flags(element, gst::ElementFlags::SINK);
super::set_element_flags(element, gst::ElementFlags::SINK);
}
}
@ -893,22 +896,17 @@ impl ProxySrc {
ret
}
fn push_item(
&self,
element: &gst::Element,
item: DataQueueItem,
) -> future::Either<
Box<dyn Future<Item = (), Error = gst::FlowError> + Send + 'static>,
future::FutureResult<(), gst::FlowError>,
> {
async fn push_item(element: gst::Element, item: DataQueueItem) -> Result<(), gst::FlowError> {
let src = Self::from_instance(&element);
let event = {
let state = self.state.lock().unwrap();
let state = src.state.lock().unwrap();
let queue = state.queue.as_ref().unwrap().0.lock().unwrap();
if let Some((Some(ref task), _, _)) = queue.pending_queue {
task.notify();
if let Some((Some(ref waker), _, _)) = queue.pending_queue {
waker.wake_by_ref();
}
if self.src_pad.check_reconfigure() {
if src.src_pad.check_reconfigure() {
Self::create_io_context_event(&state)
} else {
None
@ -916,17 +914,17 @@ impl ProxySrc {
};
if let Some(event) = event {
self.src_pad.push_event(event);
src.src_pad.push_event(event);
}
let res = match item {
DataQueueItem::Buffer(buffer) => {
gst_log!(SRC_CAT, obj: element, "Forwarding buffer {:?}", buffer);
self.src_pad.push(buffer).map(|_| ())
gst_log!(SRC_CAT, obj: &element, "Forwarding buffer {:?}", buffer);
src.src_pad.push(buffer).map(|_| ())
}
DataQueueItem::BufferList(list) => {
gst_log!(SRC_CAT, obj: element, "Forwarding buffer list {:?}", list);
self.src_pad.push_list(list).map(|_| ())
gst_log!(SRC_CAT, obj: &element, "Forwarding buffer list {:?}", list);
src.src_pad.push_list(list).map(|_| ())
}
DataQueueItem::Event(event) => {
use gst::EventView;
@ -936,7 +934,7 @@ impl ProxySrc {
EventView::CustomDownstreamSticky(e) => {
let s = e.get_structure().unwrap();
if s.get_name() == "ts-io-context" {
let state = self.state.lock().unwrap();
let state = src.state.lock().unwrap();
new_event = Self::create_io_context_event(&state);
}
}
@ -945,64 +943,60 @@ impl ProxySrc {
match new_event {
Some(event) => {
gst_log!(SRC_CAT, obj: element, "Forwarding new event {:?}", event);
self.src_pad.push_event(event);
gst_log!(SRC_CAT, obj: &element, "Forwarding new event {:?}", event);
src.src_pad.push_event(event);
}
None => {
gst_log!(SRC_CAT, obj: element, "Forwarding event {:?}", event);
self.src_pad.push_event(event);
gst_log!(SRC_CAT, obj: &element, "Forwarding event {:?}", event);
src.src_pad.push_event(event);
}
}
Ok(())
}
};
let res = match res {
match res {
Ok(_) => {
gst_log!(SRC_CAT, obj: element, "Successfully pushed item");
let state = self.state.lock().unwrap();
gst_log!(SRC_CAT, obj: &element, "Successfully pushed item");
let state = src.state.lock().unwrap();
let mut queue = state.queue.as_ref().unwrap().0.lock().unwrap();
queue.last_res = Ok(gst::FlowSuccess::Ok);
Ok(())
}
Err(gst::FlowError::Flushing) => {
gst_debug!(SRC_CAT, obj: element, "Flushing");
let state = self.state.lock().unwrap();
gst_debug!(SRC_CAT, obj: &element, "Flushing");
let state = src.state.lock().unwrap();
let mut queue = state.queue.as_ref().unwrap().0.lock().unwrap();
if let Some(ref queue) = queue.queue {
queue.pause();
}
queue.last_res = Err(gst::FlowError::Flushing);
Ok(())
}
Err(gst::FlowError::Eos) => {
gst_debug!(SRC_CAT, obj: element, "EOS");
let state = self.state.lock().unwrap();
gst_debug!(SRC_CAT, obj: &element, "EOS");
let state = src.state.lock().unwrap();
let mut queue = state.queue.as_ref().unwrap().0.lock().unwrap();
if let Some(ref queue) = queue.queue {
queue.pause();
}
queue.last_res = Err(gst::FlowError::Eos);
Ok(())
}
Err(err) => {
gst_error!(SRC_CAT, obj: element, "Got error {}", err);
gst_error!(SRC_CAT, obj: &element, "Got error {}", err);
gst_element_error!(
element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
let state = self.state.lock().unwrap();
let state = src.state.lock().unwrap();
let mut queue = state.queue.as_ref().unwrap().0.lock().unwrap();
queue.last_res = Err(err);
Err(gst::FlowError::CustomError)
return Err(gst::FlowError::CustomError);
}
}
};
match res {
Ok(()) => {
let state = self.state.lock().unwrap();
let abortable_drain = {
let state = src.state.lock().unwrap();
if let StateSrc {
io_context: Some(ref io_context),
@ -1011,16 +1005,17 @@ impl ProxySrc {
..
} = *state
{
let (cancel, future) = io_context.drain_pending_futures(*pending_future_id);
queue.0.lock().unwrap().pending_future_cancel = cancel;
let (abort_handle, abortable_drain) =
io_context.drain_pending_futures(*pending_future_id);
queue.0.lock().unwrap().pending_future_abort_handle = abort_handle;
future
abortable_drain
} else {
future::Either::B(future::ok(()))
}
}
Err(err) => future::Either::B(future::err(err)),
return Ok(());
}
};
abortable_drain.await
}
fn prepare(&self, element: &gst::Element) -> Result<(), gst::ErrorMessage> {
@ -1066,10 +1061,7 @@ impl ProxySrc {
dataqueue
.schedule(
&io_context,
move |item| {
let src = Self::from_instance(&element_clone);
src.push_item(&element_clone, item)
},
move |item| Self::push_item(element_clone.clone(), item),
move |err| {
gst_error!(SRC_CAT, obj: &element_clone2, "Got error {}", err);
match err {
@ -1172,7 +1164,9 @@ impl ProxySrc {
queue.pause();
queue.clear(&self.src_pad);
}
let _ = queue.pending_future_cancel.take();
if let Some(abort_handle) = queue.pending_future_abort_handle.take() {
abort_handle.abort();
}
gst_debug!(SRC_CAT, obj: element, "Stopped");
@ -1320,7 +1314,7 @@ impl ObjectImpl for ProxySrc {
let element = obj.downcast_ref::<gst::Element>().unwrap();
element.add_pad(&self.src_pad).unwrap();
::set_element_flags(element, gst::ElementFlags::SOURCE);
super::set_element_flags(element, gst::ElementFlags::SOURCE);
}
}

198
gst-plugin-threadshare/src/queue.rs
View file

@ -15,27 +15,29 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use futures::prelude::*;
use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_element_error, gst_error, gst_error_msg, gst_log, gst_trace};
use lazy_static::lazy_static;
use std::collections::VecDeque;
use std::sync::Mutex;
use std::task::{self, Poll};
use std::{u32, u64};
use futures;
use futures::future;
use futures::task;
use futures::{Async, Future};
use tokio_executor::current_thread as tokio_current_thread;
use tokio::executor;
use dataqueue::*;
use iocontext::*;
use super::{dataqueue::*, iocontext::*};
const DEFAULT_MAX_SIZE_BUFFERS: u32 = 200;
const DEFAULT_MAX_SIZE_BYTES: u32 = 1024 * 1024;
@ -121,7 +123,7 @@ static PROPERTIES: [subclass::Property; 5] = [
];
struct PendingQueue {
task: Option<task::Task>,
waker: Option<task::Waker>,
scheduled: bool,
items: VecDeque<DataQueueItem>,
}
@ -134,7 +136,7 @@ struct State {
queue: Option<DataQueue>,
pending_queue: Option<PendingQueue>,
last_res: Result<gst::FlowSuccess, gst::FlowError>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
pending_future_abort_handle: Option<future::AbortHandle>,
}
impl Default for State {
@ -147,7 +149,7 @@ impl Default for State {
queue: None,
pending_queue: None,
last_res: Ok(gst::FlowSuccess::Ok),
pending_future_cancel: None,
pending_future_abort_handle: None,
}
}
}
@ -228,7 +230,7 @@ impl Queue {
&self,
element: &gst::Element,
state: &mut State,
) -> Option<impl Future<Item = (), Error = ()>> {
) -> Option<impl Future<Output = Result<(), gst::FlowError>>> {
gst_log!(CAT, obj: element, "Scheduling pending queue now");
let State {
@ -241,7 +243,7 @@ impl Queue {
pending_queue.as_mut().unwrap().scheduled = true;
let element_clone = element.clone();
let future = future::poll_fn(move || {
let future = future::poll_fn(move |cx| {
let queue = Self::from_instance(&element_clone);
let mut state = queue.state.lock().unwrap();
@ -252,13 +254,13 @@ impl Queue {
} = *state;
if dq.is_none() {
return Ok(Async::Ready(()));
return Poll::Ready(Ok(()));
}
gst_log!(CAT, obj: &element_clone, "Trying to empty pending queue");
let res = if let Some(PendingQueue {
ref mut task,
ref mut waker,
ref mut items,
..
}) = *pending_queue
@ -272,19 +274,19 @@ impl Queue {
if let Some(failed_item) = failed_item {
items.push_front(failed_item);
*task = Some(task::current());
*waker = Some(cx.waker().clone());
gst_log!(CAT, obj: &element_clone, "Waiting for more queue space");
Ok(Async::NotReady)
Poll::Pending
} else {
gst_log!(CAT, obj: &element_clone, "Pending queue is empty now");
Ok(Async::Ready(()))
Poll::Ready(Ok(()))
}
} else {
gst_log!(CAT, obj: &element_clone, "Flushing, dropping pending queue");
Ok(Async::Ready(()))
Poll::Ready(Ok(()))
};
if res == Ok(Async::Ready(())) {
if res == Poll::Ready(Ok(())) {
*pending_queue = None;
}
@ -326,7 +328,7 @@ impl Queue {
{
if pending_queue.is_none() {
*pending_queue = Some(PendingQueue {
task: None,
waker: None,
scheduled: false,
items: VecDeque::new(),
});
@ -367,7 +369,7 @@ impl Queue {
if let Some(wait_future) = wait_future {
gst_log!(CAT, obj: element, "Blocking until queue has space again");
executor::current_thread::block_on_all(wait_future).map_err(|_| {
tokio_current_thread::block_on_all(wait_future).map_err(|_| {
gst_element_error!(
element,
gst::StreamError::Failed,
@ -424,12 +426,12 @@ impl Queue {
let mut state = self.state.lock().unwrap();
let io_context = s
.get::<&IOContext>("io-context")
.expect("signal arg")
.expect("missing signal arg");
.expect("event field")
.expect("missing event field");
let pending_future_id = s
.get::<&PendingFutureId>("pending-future-id")
.expect("signal arg")
.expect("missing signal arg");
.expect("event field")
.expect("missing event field");
gst_debug!(
CAT,
@ -545,25 +547,20 @@ impl Queue {
self.sink_pad.peer_query(query)
}
fn push_item(
&self,
element: &gst::Element,
item: DataQueueItem,
) -> future::Either<
Box<dyn Future<Item = (), Error = gst::FlowError> + Send + 'static>,
future::FutureResult<(), gst::FlowError>,
> {
async fn push_item(element: gst::Element, item: DataQueueItem) -> Result<(), gst::FlowError> {
let queue = Self::from_instance(&element);
let event = {
let state = self.state.lock().unwrap();
let state = queue.state.lock().unwrap();
if let Some(PendingQueue {
task: Some(ref task),
waker: Some(ref waker),
..
}) = state.pending_queue
{
task.notify();
waker.wake_by_ref();
}
if self.src_pad.check_reconfigure() {
if queue.src_pad.check_reconfigure() {
Self::create_io_context_event(&state)
} else {
None
@ -571,85 +568,82 @@ impl Queue {
};
if let Some(event) = event {
self.src_pad.push_event(event);
queue.src_pad.push_event(event);
}
let res = match item {
DataQueueItem::Buffer(buffer) => {
gst_log!(CAT, obj: element, "Forwarding buffer {:?}", buffer);
self.src_pad.push(buffer).map(|_| ())
gst_log!(CAT, obj: &element, "Forwarding buffer {:?}", buffer);
queue.src_pad.push(buffer).map(|_| ())
}
DataQueueItem::BufferList(list) => {
gst_log!(CAT, obj: element, "Forwarding buffer list {:?}", list);
self.src_pad.push_list(list).map(|_| ())
gst_log!(CAT, obj: &element, "Forwarding buffer list {:?}", list);
queue.src_pad.push_list(list).map(|_| ())
}
DataQueueItem::Event(event) => {
gst_log!(CAT, obj: element, "Forwarding event {:?}", event);
self.src_pad.push_event(event);
gst_log!(CAT, obj: &element, "Forwarding event {:?}", event);
queue.src_pad.push_event(event);
Ok(())
}
};
let res = match res {
Ok(_) => {
gst_log!(CAT, obj: element, "Successfully pushed item");
let mut state = self.state.lock().unwrap();
state.last_res = Ok(gst::FlowSuccess::Ok);
Ok(())
}
Err(gst::FlowError::Flushing) => {
gst_debug!(CAT, obj: element, "Flushing");
let mut state = self.state.lock().unwrap();
if let Some(ref queue) = state.queue {
queue.pause();
}
state.last_res = Err(gst::FlowError::Flushing);
Ok(())
}
Err(gst::FlowError::Eos) => {
gst_debug!(CAT, obj: element, "EOS");
let mut state = self.state.lock().unwrap();
if let Some(ref queue) = state.queue {
queue.pause();
}
state.last_res = Err(gst::FlowError::Eos);
Ok(())
}
Err(err) => {
gst_error!(CAT, obj: element, "Got error {}", err);
gst_element_error!(
element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
let mut state = self.state.lock().unwrap();
state.last_res = Err(err);
Err(gst::FlowError::CustomError)
}
};
match res {
Ok(()) => {
let mut state = self.state.lock().unwrap();
Ok(_) => {
gst_log!(CAT, obj: &element, "Successfully pushed item");
let mut state = queue.state.lock().unwrap();
state.last_res = Ok(gst::FlowSuccess::Ok);
}
Err(gst::FlowError::Flushing) => {
gst_debug!(CAT, obj: &element, "Flushing");
let mut state = queue.state.lock().unwrap();
if let Some(ref queue) = state.queue {
queue.pause();
}
state.last_res = Err(gst::FlowError::Flushing);
}
Err(gst::FlowError::Eos) => {
gst_debug!(CAT, obj: &element, "EOS");
let mut state = queue.state.lock().unwrap();
if let Some(ref queue) = state.queue {
queue.pause();
}
state.last_res = Err(gst::FlowError::Eos);
}
Err(err) => {
gst_error!(CAT, obj: &element, "Got error {}", err);
gst_element_error!(
&element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
let mut state = queue.state.lock().unwrap();
state.last_res = Err(err);
return Err(gst::FlowError::CustomError);
}
}
let abortable_drain = {
let mut state = queue.state.lock().unwrap();
if let State {
io_context: Some(ref io_context),
pending_future_id: Some(ref pending_future_id),
ref mut pending_future_cancel,
ref mut pending_future_abort_handle,
..
} = *state
{
let (cancel, future) = io_context.drain_pending_futures(*pending_future_id);
*pending_future_cancel = cancel;
let (abort_handle, abortable_drain) =
io_context.drain_pending_futures(*pending_future_id);
*pending_future_abort_handle = abort_handle;
future
abortable_drain
} else {
future::Either::B(future::ok(()))
}
}
Err(err) => future::Either::B(future::err(err)),
return Ok(());
}
};
abortable_drain.await
}
fn prepare(&self, element: &gst::Element) -> Result<(), gst::ErrorMessage> {
@ -691,10 +685,7 @@ impl Queue {
dataqueue
.schedule(
&io_context,
move |item| {
let queue = Self::from_instance(&element_clone);
queue.push_item(&element_clone, item)
},
move |item| Self::push_item(element_clone.clone(), item),
move |err| {
gst_error!(CAT, obj: &element_clone2, "Got error {}", err);
match err {
@ -786,13 +777,18 @@ impl Queue {
queue.pause();
queue.clear(&self.src_pad);
}
if let Some(PendingQueue {
task: Some(task), ..
waker: Some(waker), ..
}) = state.pending_queue.take()
{
task.notify();
waker.wake();
}
let _ = state.pending_future_cancel.take();
if let Some(abort_handle) = state.pending_future_abort_handle.take() {
abort_handle.abort();
}
state.last_res = Err(gst::FlowError::Flushing);
gst_debug!(CAT, obj: element, "Stopped");

112
gst-plugin-threadshare/src/socket.rs
View file

@ -16,19 +16,23 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use std::io;
use std::sync::{Arc, Mutex};
use either::Either;
use futures::{channel::oneshot, prelude::*};
use gst;
use gst::prelude::*;
use gst::{gst_debug, gst_error};
use futures::sync::oneshot;
use futures::task;
use futures::{Async, Future, IntoFuture, Poll, Stream};
use lazy_static::lazy_static;
use either::Either;
use std::io;
use std::pin::Pin;
use std::sync::{Arc, Mutex};
use std::task::{self, Poll};
use iocontext::*;
use tokio_executor::current_thread as tokio_current_thread;
use super::iocontext::*;
lazy_static! {
static ref SOCKET_CAT: gst::DebugCategory = gst::DebugCategory::new(
@ -48,21 +52,22 @@ enum SocketState {
Shutdown,
}
pub trait SocketRead: Send {
pub trait SocketRead: Send + Unpin {
const DO_TIMESTAMP: bool;
fn poll_read(
&mut self,
self: Pin<&mut Self>,
cx: &mut task::Context<'_>,
buf: &mut [u8],
) -> Poll<(usize, Option<std::net::SocketAddr>), io::Error>;
) -> Poll<io::Result<(usize, Option<std::net::SocketAddr>)>>;
}
struct SocketInner<T: SocketRead + 'static> {
element: gst::Element,
state: SocketState,
reader: T,
reader: Pin<Box<T>>,
buffer_pool: gst::BufferPool,
current_task: Option<task::Task>,
waker: Option<task::Waker>,
shutdown_receiver: Option<oneshot::Receiver<()>>,
clock: Option<gst::Clock>,
base_time: Option<gst::ClockTime>,
@ -73,20 +78,24 @@ impl<T: SocketRead + 'static> Socket<T> {
Socket(Arc::new(Mutex::new(SocketInner::<T> {
element: element.clone(),
state: SocketState::Unscheduled,
reader,
reader: Pin::new(Box::new(reader)),
buffer_pool,
current_task: None,
waker: None,
shutdown_receiver: None,
clock: None,
base_time: None,
})))
}
pub fn schedule<U, F, G>(&self, io_context: &IOContext, func: F, err_func: G) -> Result<(), ()>
pub fn schedule<F, G, Fut>(
&self,
io_context: &IOContext,
func: F,
err_func: G,
) -> Result<(), ()>
where
F: Fn((gst::Buffer, Option<std::net::SocketAddr>)) -> U + Send + 'static,
U: IntoFuture<Item = (), Error = gst::FlowError> + 'static,
<U as IntoFuture>::Future: Send + 'static,
F: Fn((gst::Buffer, Option<std::net::SocketAddr>)) -> Fut + Send + 'static,
Fut: Future<Output = Result<(), gst::FlowError>> + Send + 'static,
G: FnOnce(Either<gst::FlowError, io::Error>) + Send + 'static,
{
// Ready->Paused
@ -109,13 +118,13 @@ impl<T: SocketRead + 'static> Socket<T> {
return Err(());
}
let (sender, receiver) = oneshot::channel::<()>();
let (sender, receiver) = oneshot::channel();
inner.shutdown_receiver = Some(receiver);
let element_clone = inner.element.clone();
io_context.spawn(
stream
.for_each(move |(buffer, saddr)| {
.try_for_each(move |(buffer, saddr)| {
func((buffer, saddr)).into_future().map_err(Either::Left)
})
.then(move |res| {
@ -132,7 +141,7 @@ impl<T: SocketRead + 'static> Socket<T> {
let _ = sender.send(());
Ok(())
future::ready(())
}),
);
Ok(())
@ -154,8 +163,8 @@ impl<T: SocketRead + 'static> Socket<T> {
inner.clock = clock;
inner.base_time = base_time;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
}
@ -176,8 +185,8 @@ impl<T: SocketRead + 'static> Socket<T> {
inner.clock = None;
inner.base_time = None;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
}
@ -197,15 +206,15 @@ impl<T: SocketRead + 'static> Socket<T> {
assert!(inner.state == SocketState::Scheduled || inner.state == SocketState::Running);
inner.state = SocketState::Shutdown;
if let Some(task) = inner.current_task.take() {
task.notify();
if let Some(waker) = inner.waker.take() {
waker.wake();
}
let shutdown_receiver = inner.shutdown_receiver.take().unwrap();
gst_debug!(SOCKET_CAT, obj: &inner.element, "Waiting for socket to shut down");
drop(inner);
shutdown_receiver.wait().expect("Already shut down");
tokio_current_thread::block_on_all(shutdown_receiver).expect("Already shut down");
let mut inner = self.0.lock().unwrap();
inner.state = SocketState::Unscheduled;
@ -214,7 +223,7 @@ impl<T: SocketRead + 'static> Socket<T> {
}
}
impl<T: SocketRead + 'static> Clone for Socket<T> {
impl<T: SocketRead + Unpin + 'static> Clone for Socket<T> {
fn clone(&self) -> Self {
Socket::<T>(self.0.clone())
}
@ -232,49 +241,56 @@ struct SocketStream<T: SocketRead + 'static>(
);
impl<T: SocketRead + 'static> Stream for SocketStream<T> {
type Item = (gst::Buffer, Option<std::net::SocketAddr>);
type Error = Either<gst::FlowError, io::Error>;
type Item =
Result<(gst::Buffer, Option<std::net::SocketAddr>), Either<gst::FlowError, io::Error>>;
fn poll_next(mut self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Option<Self::Item>> {
// take the mapped_buffer before locking the socket so as to please the mighty borrow checker
let mut mapped_buffer = self.1.take();
fn poll(&mut self) -> Poll<Option<Self::Item>, Self::Error> {
let mut inner = (self.0).0.lock().unwrap();
if inner.state == SocketState::Shutdown {
gst_debug!(SOCKET_CAT, obj: &inner.element, "Socket shutting down");
return Ok(Async::Ready(None));
return Poll::Ready(None);
} else if inner.state == SocketState::Scheduled {
gst_debug!(SOCKET_CAT, obj: &inner.element, "Socket not running");
inner.current_task = Some(task::current());
return Ok(Async::NotReady);
inner.waker = Some(cx.waker().clone());
drop(inner);
self.1 = mapped_buffer;
return Poll::Pending;
}
assert_eq!(inner.state, SocketState::Running);
gst_debug!(SOCKET_CAT, obj: &inner.element, "Trying to read data");
let (len, saddr, time) = {
let buffer = match self.1 {
let buffer = match mapped_buffer {
Some(ref mut buffer) => buffer,
None => match inner.buffer_pool.acquire_buffer(None) {
Ok(buffer) => {
self.1 = Some(buffer.into_mapped_buffer_writable().unwrap());
self.1.as_mut().unwrap()
mapped_buffer = Some(buffer.into_mapped_buffer_writable().unwrap());
mapped_buffer.as_mut().unwrap()
}
Err(err) => {
gst_debug!(SOCKET_CAT, obj: &inner.element, "Failed to acquire buffer {:?}", err);
return Err(Either::Left(err));
return Poll::Ready(Some(Err(Either::Left(err))));
}
},
};
match inner.reader.poll_read(buffer.as_mut_slice()) {
Ok(Async::NotReady) => {
match inner.reader.as_mut().poll_read(cx, buffer.as_mut_slice()) {
Poll::Pending => {
gst_debug!(SOCKET_CAT, obj: &inner.element, "No data available");
inner.current_task = Some(task::current());
return Ok(Async::NotReady);
inner.waker = Some(cx.waker().clone());
drop(inner);
self.1 = mapped_buffer;
return Poll::Pending;
}
Err(err) => {
Poll::Ready(Err(err)) => {
gst_debug!(SOCKET_CAT, obj: &inner.element, "Read error {:?}", err);
return Err(Either::Right(err));
return Poll::Ready(Some(Err(Either::Right(err))));
}
Ok(Async::Ready((len, saddr))) => {
Poll::Ready(Ok((len, saddr))) => {
let dts = if T::DO_TIMESTAMP {
let time = inner.clock.as_ref().unwrap().get_time();
let running_time = time - inner.base_time.unwrap();
@ -289,7 +305,7 @@ impl<T: SocketRead + 'static> Stream for SocketStream<T> {
}
};
let mut buffer = self.1.take().unwrap().into_buffer();
let mut buffer = mapped_buffer.unwrap().into_buffer();
{
let buffer = buffer.get_mut().unwrap();
if len < buffer.get_size() {
@ -298,6 +314,6 @@ impl<T: SocketRead + 'static> Stream for SocketStream<T> {
buffer.set_dts(time);
}
Ok(Async::Ready(Some((buffer, saddr))))
Poll::Ready(Some(Ok((buffer, saddr))))
}
}

167
gst-plugin-threadshare/src/tcpclientsrc.rs
View file

@ -16,30 +16,35 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use either::Either;
use futures::ready;
use futures::{future::BoxFuture, prelude::*};
use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_element_error, gst_error, gst_error_msg, gst_log, gst_trace};
use std::io;
use std::sync::Mutex;
use std::u16;
use futures;
use futures::future;
use futures::{Async, Future, Poll};
use tokio::io::AsyncRead;
use tokio::net;
use either::Either;
use lazy_static::lazy_static;
use rand;
use iocontext::*;
use socket::*;
use std::io;
use std::pin::Pin;
use std::sync::Mutex;
use std::task::{Context, Poll};
use std::u16;
use tokio::io::AsyncRead;
use super::iocontext::*;
use super::socket::*;
const DEFAULT_ADDRESS: Option<&str> = Some("127.0.0.1");
const DEFAULT_PORT: u32 = 5000;
@ -135,14 +140,17 @@ static PROPERTIES: [subclass::Property; 6] = [
];
pub struct TcpClientReader {
connect_future: net::tcp::ConnectFuture,
socket: Option<net::TcpStream>,
connect_future: BoxFuture<'static, io::Result<tokio::net::TcpStream>>,
socket: Option<tokio::net::TcpStream>,
}
impl TcpClientReader {
pub fn new(connect_future: net::tcp::ConnectFuture) -> Self {
pub fn new<Fut>(connect_future: Fut) -> Self
where
Fut: Future<Output = io::Result<tokio::net::TcpStream>> + Send + 'static,
{
Self {
connect_future,
connect_future: connect_future.boxed(),
socket: None,
}
}
@ -152,27 +160,23 @@ impl SocketRead for TcpClientReader {
const DO_TIMESTAMP: bool = false;
fn poll_read(
&mut self,
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<(usize, Option<std::net::SocketAddr>), io::Error> {
) -> Poll<io::Result<(usize, Option<std::net::SocketAddr>)>> {
let socket = match self.socket {
Some(ref mut socket) => socket,
None => match self.connect_future.poll() {
Ok(Async::Ready(stream)) => {
None => {
let stream = ready!(self.connect_future.as_mut().poll(cx))?;
self.socket = Some(stream);
self.socket.as_mut().unwrap()
}
Err(err) => {
return Err(err);
}
_ => return Ok(Async::NotReady),
},
};
match socket.poll_read(buf) {
Ok(Async::Ready(result)) => Ok(Async::Ready((result, None))),
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(result) => Err(result),
}
Pin::new(socket)
.as_mut()
.poll_read(cx, buf)
.map_ok(|read_size| (read_size, None))
}
}
@ -182,7 +186,7 @@ struct State {
socket: Option<Socket<TcpClientReader>>,
need_initial_events: bool,
configured_caps: Option<gst::Caps>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
pending_future_abort_handle: Option<future::AbortHandle>,
}
impl Default for State {
@ -193,7 +197,7 @@ impl Default for State {
socket: None,
need_initial_events: true,
configured_caps: None,
pending_future_cancel: None,
pending_future_abort_handle: None,
}
}
}
@ -308,37 +312,38 @@ impl TcpClientSrc {
}
}
fn push_buffer(
&self,
element: &gst::Element,
buffer: gst::Buffer,
) -> future::Either<
Box<dyn Future<Item = (), Error = gst::FlowError> + Send + 'static>,
future::FutureResult<(), gst::FlowError>,
> {
async fn push_buffer(element: gst::Element, buffer: gst::Buffer) -> Result<(), gst::FlowError> {
let tcpclientsrc = Self::from_instance(&element);
let mut events = Vec::new();
let mut state = self.state.lock().unwrap();
{
let mut state = tcpclientsrc.state.lock().unwrap();
if state.need_initial_events {
gst_debug!(CAT, obj: element, "Pushing initial events");
gst_debug!(CAT, obj: &element, "Pushing initial events");
let stream_id = format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(gst::Event::new_stream_start(&stream_id).build());
if let Some(ref caps) = self.settings.lock().unwrap().caps {
let stream_id =
format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(
gst::Event::new_stream_start(&stream_id)
.group_id(gst::util_group_id_next())
.build(),
);
if let Some(ref caps) = tcpclientsrc.settings.lock().unwrap().caps {
events.push(gst::Event::new_caps(&caps).build());
state.configured_caps = Some(caps.clone());
}
events.push(
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new()).build(),
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new())
.build(),
);
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
// Get rid of reconfigure flag
self.src_pad.check_reconfigure();
tcpclientsrc.src_pad.check_reconfigure();
}
state.need_initial_events = false;
} else if self.src_pad.check_reconfigure() {
} else if tcpclientsrc.src_pad.check_reconfigure() {
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
}
@ -347,67 +352,61 @@ impl TcpClientSrc {
if buffer.get_size() == 0 {
events.push(gst::Event::new_eos().build());
}
drop(state);
}
for event in events {
self.src_pad.push_event(event);
tcpclientsrc.src_pad.push_event(event);
}
let res = match self.src_pad.push(buffer) {
Ok(_) => {
gst_log!(CAT, obj: element, "Successfully pushed buffer");
Ok(())
}
match tcpclientsrc.src_pad.push(buffer) {
Ok(_) => gst_log!(CAT, obj: &element, "Successfully pushed buffer"),
Err(gst::FlowError::Flushing) => {
gst_debug!(CAT, obj: element, "Flushing");
let state = self.state.lock().unwrap();
gst_debug!(CAT, obj: &element, "Flushing");
let state = tcpclientsrc.state.lock().unwrap();
if let Some(ref socket) = state.socket {
socket.pause();
}
Ok(())
}
Err(gst::FlowError::Eos) => {
gst_debug!(CAT, obj: element, "EOS");
let state = self.state.lock().unwrap();
gst_debug!(CAT, obj: &element, "EOS");
let state = tcpclientsrc.state.lock().unwrap();
if let Some(ref socket) = state.socket {
socket.pause();
}
Ok(())
}
Err(err) => {
gst_error!(CAT, obj: element, "Got error {}", err);
gst_error!(CAT, obj: &element, "Got error {}", err);
gst_element_error!(
element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
Err(gst::FlowError::CustomError)
return Err(gst::FlowError::CustomError);
}
}
};
match res {
Ok(()) => {
let mut state = self.state.lock().unwrap();
let abortable_drain = {
let mut state = tcpclientsrc.state.lock().unwrap();
if let State {
io_context: Some(ref io_context),
pending_future_id: Some(ref pending_future_id),
ref mut pending_future_cancel,
ref mut pending_future_abort_handle,
..
} = *state
{
let (cancel, future) = io_context.drain_pending_futures(*pending_future_id);
*pending_future_cancel = cancel;
let (cancel, abortable_drain) =
io_context.drain_pending_futures(*pending_future_id);
*pending_future_abort_handle = cancel;
future
abortable_drain
} else {
future::Either::B(future::ok(()))
}
}
Err(err) => future::Either::B(future::err(err)),
return Ok(());
}
};
abortable_drain.await
}
fn prepare(&self, element: &gst::Element) -> Result<(), gst::ErrorMessage> {
@ -448,7 +447,7 @@ impl TcpClientSrc {
let saddr = SocketAddr::new(addr, port as u16);
gst_debug!(CAT, obj: element, "Connecting to {:?}", saddr);
let socket = net::TcpStream::connect(&saddr);
let socket = tokio::net::TcpStream::connect(saddr);
let buffer_pool = gst::BufferPool::new();
let mut config = buffer_pool.get_config();
@ -471,10 +470,7 @@ impl TcpClientSrc {
socket
.schedule(
&io_context,
move |(buffer, _)| {
let tcpclientsrc = Self::from_instance(&element_clone);
tcpclientsrc.push_buffer(&element_clone, buffer)
},
move |(buffer, _)| Self::push_buffer(element_clone.clone(), buffer),
move |err| {
gst_error!(CAT, obj: &element_clone2, "Got error {}", err);
match err {
@ -568,7 +564,10 @@ impl TcpClientSrc {
if let Some(ref socket) = state.socket {
socket.pause();
}
let _ = state.pending_future_cancel.take();
if let Some(abort_handle) = state.pending_future_abort_handle.take() {
abort_handle.abort();
}
gst_debug!(CAT, obj: element, "Stopped");
@ -708,7 +707,7 @@ impl ObjectImpl for TcpClientSrc {
let element = obj.downcast_ref::<gst::Element>().unwrap();
element.add_pad(&self.src_pad).unwrap();
::set_element_flags(element, gst::ElementFlags::SOURCE);
super::set_element_flags(element, gst::ElementFlags::SOURCE);
}
}

158
gst-plugin-threadshare/src/udpsrc.rs
View file

@ -15,34 +15,35 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use either::Either;
use futures::prelude::*;
use gio;
use gio_sys as gio_ffi;
use glib;
use glib::prelude::*;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::{glib_object_impl, glib_object_subclass};
use gobject_sys as gobject_ffi;
use gst;
use gst::prelude::*;
use gst::subclass::prelude::*;
use gst::{gst_debug, gst_element_error, gst_error, gst_error_msg, gst_log, gst_trace};
use gst_net::*;
use gio;
use gio_ffi;
use gobject_ffi;
use std::io;
use std::sync::Mutex;
use std::u16;
use futures;
use futures::future;
use futures::{Async, Future, Poll};
use tokio::net;
use either::Either;
use lazy_static::lazy_static;
use rand;
use net2;
use std::io;
use std::pin::Pin;
use std::sync::Mutex;
use std::task::{Context, Poll};
use std::u16;
#[cfg(unix)]
use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
@ -50,8 +51,7 @@ use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
#[cfg(windows)]
use std::os::windows::io::{AsRawSocket, FromRawSocket, IntoRawSocket, RawSocket};
use iocontext::*;
use socket::*;
use super::{iocontext::*, socket::*};
const DEFAULT_ADDRESS: Option<&str> = Some("127.0.0.1");
const DEFAULT_PORT: u32 = 5000;
@ -287,11 +287,11 @@ static PROPERTIES: [subclass::Property; 10] = [
];
pub struct UdpReader {
socket: net::UdpSocket,
socket: tokio::net::udp::UdpSocket,
}
impl UdpReader {
fn new(socket: net::UdpSocket) -> Self {
fn new(socket: tokio::net::udp::UdpSocket) -> Self {
Self { socket }
}
}
@ -300,14 +300,14 @@ impl SocketRead for UdpReader {
const DO_TIMESTAMP: bool = true;
fn poll_read(
&mut self,
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: &mut [u8],
) -> Poll<(usize, Option<std::net::SocketAddr>), io::Error> {
match self.socket.poll_recv_from(buf) {
Ok(Async::Ready(result)) => Ok(Async::Ready((result.0, Some(result.1)))),
Ok(Async::NotReady) => Ok(Async::NotReady),
Err(result) => Err(result),
}
) -> Poll<io::Result<(usize, Option<std::net::SocketAddr>)>> {
Pin::new(&mut self.socket.recv_from(buf).boxed())
.as_mut()
.poll(cx)
.map(|res| res.map(|(read_size, saddr)| (read_size, Some(saddr))))
}
}
@ -317,7 +317,7 @@ struct State {
socket: Option<Socket<UdpReader>>,
need_initial_events: bool,
configured_caps: Option<gst::Caps>,
pending_future_cancel: Option<futures::sync::oneshot::Sender<()>>,
pending_future_abort_handle: Option<future::AbortHandle>,
}
impl Default for State {
@ -328,7 +328,7 @@ impl Default for State {
socket: None,
need_initial_events: true,
configured_caps: None,
pending_future_cancel: None,
pending_future_abort_handle: None,
}
}
}
@ -443,101 +443,99 @@ impl UdpSrc {
}
}
fn push_buffer(
&self,
element: &gst::Element,
buffer: gst::Buffer,
) -> future::Either<
Box<dyn Future<Item = (), Error = gst::FlowError> + Send + 'static>,
future::FutureResult<(), gst::FlowError>,
> {
async fn push_buffer(element: gst::Element, buffer: gst::Buffer) -> Result<(), gst::FlowError> {
let udpsrc = Self::from_instance(&element);
let mut events = Vec::new();
let mut state = self.state.lock().unwrap();
{
let mut state = udpsrc.state.lock().unwrap();
if state.need_initial_events {
gst_debug!(CAT, obj: element, "Pushing initial events");
gst_debug!(CAT, obj: &element, "Pushing initial events");
let stream_id = format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(gst::Event::new_stream_start(&stream_id).build());
if let Some(ref caps) = self.settings.lock().unwrap().caps {
let stream_id =
format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
events.push(
gst::Event::new_stream_start(&stream_id)
.group_id(gst::util_group_id_next())
.build(),
);
if let Some(ref caps) = udpsrc.settings.lock().unwrap().caps {
events.push(gst::Event::new_caps(&caps).build());
state.configured_caps = Some(caps.clone());
}
events.push(
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new()).build(),
gst::Event::new_segment(&gst::FormattedSegment::<gst::format::Time>::new())
.build(),
);
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
// Get rid of reconfigure flag
self.src_pad.check_reconfigure();
udpsrc.src_pad.check_reconfigure();
}
state.need_initial_events = false;
} else if self.src_pad.check_reconfigure() {
} else if udpsrc.src_pad.check_reconfigure() {
if let Some(event) = Self::create_io_context_event(&state) {
events.push(event);
}
}
drop(state);
}
for event in events {
self.src_pad.push_event(event);
udpsrc.src_pad.push_event(event);
}
let res = match self.src_pad.push(buffer) {
match udpsrc.src_pad.push(buffer) {
Ok(_) => {
gst_log!(CAT, obj: element, "Successfully pushed buffer");
Ok(())
gst_log!(CAT, obj: &element, "Successfully pushed buffer");
}
Err(gst::FlowError::Flushing) => {
gst_debug!(CAT, obj: element, "Flushing");
let state = self.state.lock().unwrap();
gst_debug!(CAT, obj: &element, "Flushing");
let state = udpsrc.state.lock().unwrap();
if let Some(ref socket) = state.socket {
socket.pause();
}
Ok(())
}
Err(gst::FlowError::Eos) => {
gst_debug!(CAT, obj: element, "EOS");
let state = self.state.lock().unwrap();
gst_debug!(CAT, obj: &element, "EOS");
let state = udpsrc.state.lock().unwrap();
if let Some(ref socket) = state.socket {
socket.pause();
}
Ok(())
}
Err(err) => {
gst_error!(CAT, obj: element, "Got error {}", err);
gst_error!(CAT, obj: &element, "Got error {}", err);
gst_element_error!(
element,
gst::StreamError::Failed,
("Internal data stream error"),
["streaming stopped, reason {}", err]
);
Err(gst::FlowError::CustomError)
return Err(gst::FlowError::CustomError);
}
}
};
match res {
Ok(()) => {
let mut state = self.state.lock().unwrap();
let abortable_drain = {
let mut state = udpsrc.state.lock().unwrap();
if let State {
io_context: Some(ref io_context),
pending_future_id: Some(ref pending_future_id),
ref mut pending_future_cancel,
ref mut pending_future_abort_handle,
..
} = *state
{
let (cancel, future) = io_context.drain_pending_futures(*pending_future_id);
*pending_future_cancel = cancel;
let (cancel, abortable_drain) =
io_context.drain_pending_futures(*pending_future_id);
*pending_future_abort_handle = cancel;
future
abortable_drain
} else {
future::Either::B(future::ok(()))
}
}
Err(err) => future::Either::B(future::err(err)),
return Ok(());
}
};
abortable_drain.await
}
fn prepare(&self, element: &gst::Element) -> Result<(), gst::ErrorMessage> {
@ -571,8 +569,8 @@ impl UdpSrc {
socket = wrapped_socket.get()
}
let socket =
net::UdpSocket::from_std(socket, io_context.reactor_handle()).map_err(|err| {
let socket = tokio::net::UdpSocket::from_std(socket, io_context.reactor_handle())
.map_err(|err| {
gst_error_msg!(
gst::ResourceError::OpenRead,
["Failed to setup socket for tokio: {}", err]
@ -666,8 +664,8 @@ impl UdpSrc {
)
})?;
let socket =
net::UdpSocket::from_std(socket, io_context.reactor_handle()).map_err(|err| {
let socket = tokio::net::UdpSocket::from_std(socket, io_context.reactor_handle())
.map_err(|err| {
gst_error_msg!(
gst::ResourceError::OpenRead,
["Failed to setup socket for tokio: {}", err]
@ -679,7 +677,7 @@ impl UdpSrc {
match addr {
IpAddr::V4(addr) => {
socket
.join_multicast_v4(&addr, &Ipv4Addr::new(0, 0, 0, 0))
.join_multicast_v4(addr, Ipv4Addr::new(0, 0, 0, 0))
.map_err(|err| {
gst_error_msg!(
gst::ResourceError::OpenRead,
@ -774,7 +772,6 @@ impl UdpSrc {
.schedule(
&io_context,
move |(mut buffer, saddr)| {
let udpsrc = Self::from_instance(&element_clone);
if let Some(saddr) = saddr {
if retrieve_sender_address {
let inet_addr = match saddr.ip() {
@ -791,7 +788,7 @@ impl UdpSrc {
}
}
udpsrc.push_buffer(&element_clone, buffer)
Self::push_buffer(element_clone.clone(), buffer)
},
move |err| {
gst_error!(CAT, obj: &element_clone2, "Got error {}", err);
@ -891,7 +888,10 @@ impl UdpSrc {
if let Some(ref socket) = state.socket {
socket.pause();
}
let _ = state.pending_future_cancel.take();
if let Some(abort_handle) = state.pending_future_abort_handle.take() {
abort_handle.abort();
}
gst_debug!(CAT, obj: element, "Stopped");
@ -1088,7 +1088,7 @@ impl ObjectImpl for UdpSrc {
let element = obj.downcast_ref::<gst::Element>().unwrap();
element.add_pad(&self.src_pad).unwrap();
::set_element_flags(element, gst::ElementFlags::SOURCE);
super::set_element_flags(element, gst::ElementFlags::SOURCE);
}
}

7
gst-plugin-threadshare/tests/appsrc.rs
View file

@ -15,13 +15,12 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib;
use glib::prelude::*;
extern crate gstreamer as gst;
extern crate gstreamer_check as gst_check;
use gst;
use gst_check;
extern crate gstthreadshare;
use gstthreadshare;
fn init() {
use std::sync::Once;

235
gst-plugin-threadshare/tests/pipeline.rs Normal file
View file

@ -0,0 +1,235 @@
// Copyright (C) 2019 François Laignel <fengalin@free.fr>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
use gst;
use gstthreadshare;
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstthreadshare::plugin_register_static().expect("gstthreadshare pipeline test");
});
}
#[test]
fn test_multiple_contexts() {
use gst::prelude::*;
use std::net;
use std::net::{IpAddr, Ipv4Addr, SocketAddr};
init();
const CONTEXT_NB: u32 = 2;
const SRC_NB: u16 = 4;
const CONTEXT_WAIT: u32 = 1;
const BUFFER_NB: u32 = 3;
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let mut src_list = Vec::<gst::Element>::new();
for i in 0..SRC_NB {
let src =
gst::ElementFactory::make("ts-udpsrc", Some(format!("src-{}", i).as_str())).unwrap();
src.set_property("context", &format!("context-{}", (i as u32) % CONTEXT_NB))
.unwrap();
src.set_property("context-wait", &CONTEXT_WAIT).unwrap();
src.set_property("port", &(40000u32 + (i as u32))).unwrap();
let queue =
gst::ElementFactory::make("ts-queue", Some(format!("queue-{}", i).as_str())).unwrap();
queue
.set_property("context", &format!("context-{}", (i as u32) % CONTEXT_NB))
.unwrap();
queue.set_property("context-wait", &CONTEXT_WAIT).unwrap();
let fakesink =
gst::ElementFactory::make("fakesink", Some(format!("sink-{}", i).as_str())).unwrap();
fakesink.set_property("sync", &false).unwrap();
fakesink.set_property("async", &false).unwrap();
pipeline.add_many(&[&src, &queue, &fakesink]).unwrap();
src.link(&queue).unwrap();
queue.link(&fakesink).unwrap();
src_list.push(src);
}
let bus = pipeline.get_bus().unwrap();
let l_clone = l.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
});
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
std::thread::spawn(move || {
// Sleep to allow the pipeline to be ready
std::thread::sleep(std::time::Duration::from_millis(50));
let buffer = [0; 160];
let socket = net::UdpSocket::bind("0.0.0.0:0").unwrap();
let ipaddr = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
let destinations = (40000..(40000 + SRC_NB))
.map(|port| SocketAddr::new(ipaddr, port))
.collect::<Vec<_>>();
let wait = std::time::Duration::from_millis(CONTEXT_WAIT as u64);
for _ in 0..BUFFER_NB {
let now = std::time::Instant::now();
for dest in &destinations {
socket.send_to(&buffer, dest).unwrap();
}
let elapsed = now.elapsed();
if elapsed < wait {
std::thread::sleep(wait - elapsed);
}
}
std::thread::sleep(std::time::Duration::from_millis(50));
pipeline_clone.set_state(gst::State::Null).unwrap();
l_clone.quit();
});
pipeline.set_state(gst::State::Playing).unwrap();
println!("starting...");
l.run();
}
#[test]
fn test_premature_shutdown() {
use gst::prelude::*;
init();
const CONTEXT_NAME: &str = "pipeline-context";
const CONTEXT_WAIT: u32 = 1;
const QUEUE_BUFFER_CAPACITY: u32 = 1;
const BURST_NB: u32 = 2;
let l = glib::MainLoop::new(None, false);
let pipeline = gst::Pipeline::new(None);
let caps = gst::Caps::new_simple("foo/bar", &[]);
let appsrc = gst::ElementFactory::make("ts-appsrc", None).unwrap();
appsrc.set_property("caps", &caps).unwrap();
appsrc.set_property("do-timestamp", &true).unwrap();
appsrc.set_property("context", &CONTEXT_NAME).unwrap();
appsrc.set_property("context-wait", &CONTEXT_WAIT).unwrap();
let queue = gst::ElementFactory::make("ts-queue", None).unwrap();
queue.set_property("context", &CONTEXT_NAME).unwrap();
queue.set_property("context-wait", &CONTEXT_WAIT).unwrap();
queue
.set_property("max-size-buffers", &QUEUE_BUFFER_CAPACITY)
.unwrap();
let fakesink = gst::ElementFactory::make("fakesink", None).unwrap();
fakesink.set_property("sync", &false).unwrap();
fakesink.set_property("async", &false).unwrap();
pipeline.add_many(&[&appsrc, &queue, &fakesink]).unwrap();
appsrc.link(&queue).unwrap();
queue.link(&fakesink).unwrap();
let bus = pipeline.get_bus().unwrap();
let l_clone = l.clone();
bus.add_watch(move |_, msg| {
use gst::MessageView;
match msg.view() {
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
err.get_src().map(|s| s.get_path_string()),
err.get_error(),
err.get_debug()
);
l_clone.quit();
}
_ => (),
};
glib::Continue(true)
});
let pipeline_clone = pipeline.clone();
let l_clone = l.clone();
std::thread::spawn(move || {
// Sleep to allow the pipeline to be ready
std::thread::sleep(std::time::Duration::from_millis(10));
// Fill up the queue then pause a bit and push again
let mut burst_idx = 0;
loop {
let was_pushed = appsrc
.emit("push-buffer", &[&gst::Buffer::from_slice(vec![0; 1024])])
.unwrap()
.unwrap()
.get_some::<bool>()
.unwrap();
if !was_pushed {
if burst_idx < BURST_NB {
burst_idx += 1;
// Sleep a bit to let a few buffers go through
std::thread::sleep(std::time::Duration::from_micros(500));
} else {
pipeline_clone.set_state(gst::State::Null).unwrap();
break;
}
}
}
l_clone.quit();
});
pipeline.set_state(gst::State::Playing).unwrap();
println!("starting...");
l.run();
}

7
gst-plugin-threadshare/tests/proxy.rs
View file

@ -15,17 +15,16 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib;
use glib::prelude::*;
extern crate gstreamer as gst;
use gst;
use gst::prelude::*;
extern crate gstreamer_app as gst_app;
use gst_app;
use std::sync::{Arc, Mutex};
extern crate gstthreadshare;
use gstthreadshare;
fn init() {
use std::sync::Once;

8
gst-plugin-threadshare/tests/queue.rs
View file

@ -15,17 +15,17 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib;
use glib;
use glib::prelude::*;
extern crate gstreamer as gst;
use gst;
use gst::prelude::*;
extern crate gstreamer_app as gst_app;
use gst_app;
use std::sync::{Arc, Mutex};
extern crate gstthreadshare;
use gstthreadshare;
fn init() {
use std::sync::Once;

8
gst-plugin-threadshare/tests/tcpclientsrc.rs
View file

@ -16,19 +16,19 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib;
use glib;
use glib::prelude::*;
extern crate gstreamer as gst;
use gst;
use gst::prelude::*;
extern crate gstreamer_app as gst_app;
use gst_app;
use std::io::Write;
use std::sync::{Arc, Mutex};
use std::{thread, time};
extern crate gstthreadshare;
use gstthreadshare;
fn init() {
use std::sync::Once;

10
gst-plugin-threadshare/tests/udpsrc.rs
View file

@ -15,17 +15,17 @@
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
extern crate glib;
use glib;
use glib::prelude::*;
extern crate gio;
use gio;
extern crate gstreamer as gst;
extern crate gstreamer_check as gst_check;
use gst;
use gst_check;
use std::thread;
extern crate gstthreadshare;
use gstthreadshare;
fn init() {
use std::sync::Once;

1
rust-toolchain Normal file
View file

@ -0,0 +1 @@
beta