2018-07-06 07:32:24 +00:00
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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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// Copyright (C) 2018 LEE Dongjun <redongjun@gmail.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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// Boston, MA 02110-1335, USA.
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2022-01-15 19:18:47 +00:00
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//
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// SPDX-License-Identifier: LGPL-2.1-or-later
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2018-07-06 07:32:24 +00:00
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2019-12-02 09:30:07 +00:00
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use futures::future::BoxFuture;
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use futures::prelude::*;
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2019-11-24 20:12:40 +00:00
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2021-06-03 18:20:54 +00:00
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use gst::glib;
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2018-07-06 07:32:24 +00:00
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use gst::prelude::*;
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2018-12-06 11:03:04 +00:00
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use gst::subclass::prelude::*;
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2019-11-24 20:12:40 +00:00
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2020-11-22 14:24:55 +00:00
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use once_cell::sync::Lazy;
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2019-11-24 20:12:40 +00:00
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2018-07-06 07:32:24 +00:00
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use std::io;
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2021-12-14 18:40:27 +00:00
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use std::net::{IpAddr, SocketAddr, TcpStream};
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2022-06-26 20:00:01 +00:00
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use std::sync::Mutex;
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2021-05-26 09:54:34 +00:00
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use std::time::Duration;
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2018-07-06 07:32:24 +00:00
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use std::u16;
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2020-04-27 09:22:26 +00:00
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use std::u32;
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2018-07-06 07:32:24 +00:00
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2019-12-02 09:30:07 +00:00
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use crate::runtime::prelude::*;
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2020-05-25 15:18:31 +00:00
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use crate::runtime::task;
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2022-10-24 11:15:13 +00:00
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use crate::runtime::{Context, PadSrc, Task, TaskState};
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2019-12-02 09:30:07 +00:00
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2021-12-14 18:40:27 +00:00
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use crate::runtime::Async;
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2020-11-14 17:09:42 +00:00
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use crate::socket::{Socket, SocketError, SocketRead};
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2018-07-06 07:32:24 +00:00
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2020-04-27 09:22:26 +00:00
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const DEFAULT_HOST: Option<&str> = Some("127.0.0.1");
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const DEFAULT_PORT: i32 = 4953;
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2018-07-06 07:32:24 +00:00
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const DEFAULT_CAPS: Option<gst::Caps> = None;
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2020-04-27 09:22:26 +00:00
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const DEFAULT_BLOCKSIZE: u32 = 4096;
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2019-02-21 18:12:09 +00:00
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const DEFAULT_CONTEXT: &str = "";
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2021-10-09 10:17:05 +00:00
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const DEFAULT_CONTEXT_WAIT: Duration = Duration::ZERO;
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2018-07-06 07:32:24 +00:00
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#[derive(Debug, Clone)]
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struct Settings {
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2020-04-27 09:22:26 +00:00
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host: Option<String>,
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port: i32,
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2018-07-06 07:32:24 +00:00
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caps: Option<gst::Caps>,
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2020-04-27 09:22:26 +00:00
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blocksize: u32,
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2018-07-06 07:32:24 +00:00
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context: String,
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2021-05-26 09:54:34 +00:00
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context_wait: Duration,
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2018-07-06 07:32:24 +00:00
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}
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impl Default for Settings {
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fn default() -> Self {
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Settings {
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2020-04-27 09:22:26 +00:00
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host: DEFAULT_HOST.map(Into::into),
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2018-07-06 07:32:24 +00:00
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port: DEFAULT_PORT,
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caps: DEFAULT_CAPS,
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2020-04-27 09:22:26 +00:00
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blocksize: DEFAULT_BLOCKSIZE,
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2018-07-06 07:32:24 +00:00
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context: DEFAULT_CONTEXT.into(),
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context_wait: DEFAULT_CONTEXT_WAIT,
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}
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}
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}
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2021-12-14 18:40:27 +00:00
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struct TcpClientReader(Async<TcpStream>);
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2019-12-02 09:30:07 +00:00
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impl TcpClientReader {
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2021-12-14 18:40:27 +00:00
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pub fn new(socket: Async<TcpStream>) -> Self {
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2020-04-20 19:35:06 +00:00
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TcpClientReader(socket)
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2019-12-02 09:30:07 +00:00
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}
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}
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2018-07-06 07:32:24 +00:00
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impl SocketRead for TcpClientReader {
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const DO_TIMESTAMP: bool = false;
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2019-12-02 09:30:07 +00:00
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fn read<'buf>(
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2020-04-20 19:35:06 +00:00
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&'buf mut self,
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2019-12-02 09:30:07 +00:00
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buffer: &'buf mut [u8],
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) -> BoxFuture<'buf, io::Result<(usize, Option<std::net::SocketAddr>)>> {
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2020-04-20 19:35:06 +00:00
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async move { self.0.read(buffer).await.map(|read_size| (read_size, None)) }.boxed()
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2018-07-06 07:32:24 +00:00
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}
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}
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2022-06-26 20:00:01 +00:00
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#[derive(Clone, Debug)]
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struct TcpClientSrcPadHandler;
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2019-10-31 22:34:21 +00:00
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2019-12-02 09:30:07 +00:00
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impl PadSrcHandler for TcpClientSrcPadHandler {
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type ElementImpl = TcpClientSrc;
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2018-07-06 07:32:24 +00:00
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2022-10-24 11:15:13 +00:00
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fn src_event(self, pad: &gst::Pad, imp: &TcpClientSrc, event: gst::Event) -> bool {
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gst::log!(CAT, obj: pad, "Handling {:?}", event);
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2018-07-06 07:32:24 +00:00
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2022-10-12 10:35:20 +00:00
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use gst::EventView;
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2018-07-06 07:32:24 +00:00
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let ret = match event.view() {
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2022-10-12 10:35:20 +00:00
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EventView::FlushStart(..) => imp.task.flush_start().await_maybe_on_context().is_ok(),
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EventView::FlushStop(..) => imp.task.flush_stop().await_maybe_on_context().is_ok(),
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2018-07-06 07:32:24 +00:00
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EventView::Reconfigure(..) => true,
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EventView::Latency(..) => true,
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_ => false,
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};
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if ret {
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2022-10-24 11:15:13 +00:00
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gst::log!(CAT, obj: pad, "Handled {:?}", event);
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2018-07-06 07:32:24 +00:00
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} else {
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2022-10-24 11:15:13 +00:00
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gst::log!(CAT, obj: pad, "Didn't handle {:?}", event);
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2018-07-06 07:32:24 +00:00
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}
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2019-12-02 09:30:07 +00:00
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2020-03-13 11:49:03 +00:00
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ret
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2018-07-06 07:32:24 +00:00
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}
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2022-10-24 11:15:13 +00:00
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fn src_query(self, pad: &gst::Pad, imp: &TcpClientSrc, query: &mut gst::QueryRef) -> bool {
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gst::log!(CAT, obj: pad, "Handling {:?}", query);
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2022-10-12 10:35:20 +00:00
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use gst::QueryViewMut;
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2018-07-06 07:32:24 +00:00
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let ret = match query.view_mut() {
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2022-01-19 13:07:45 +00:00
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QueryViewMut::Latency(q) => {
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2021-05-26 09:54:34 +00:00
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q.set(false, gst::ClockTime::ZERO, gst::ClockTime::NONE);
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2018-07-06 07:32:24 +00:00
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true
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}
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2022-01-19 13:07:45 +00:00
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QueryViewMut::Scheduling(q) => {
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2018-07-06 07:32:24 +00:00
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q.set(gst::SchedulingFlags::SEQUENTIAL, 1, -1, 0);
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q.add_scheduling_modes(&[gst::PadMode::Push]);
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true
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}
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2022-01-19 13:07:45 +00:00
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QueryViewMut::Caps(q) => {
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2022-10-12 10:35:20 +00:00
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let caps = if let Some(caps) = imp.configured_caps.lock().unwrap().as_ref() {
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2021-04-12 12:49:54 +00:00
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q.filter()
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2018-07-06 07:32:24 +00:00
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.map(|f| f.intersect_with_mode(caps, gst::CapsIntersectMode::First))
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2019-02-21 18:12:09 +00:00
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.unwrap_or_else(|| caps.clone())
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2018-07-06 07:32:24 +00:00
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} else {
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2021-04-12 12:49:54 +00:00
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q.filter()
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2018-07-06 07:32:24 +00:00
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.map(|f| f.to_owned())
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2019-07-04 15:30:26 +00:00
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.unwrap_or_else(gst::Caps::new_any)
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2018-07-06 07:32:24 +00:00
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};
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2022-10-20 18:18:35 +00:00
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q.set_result(&caps);
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2018-07-06 07:32:24 +00:00
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true
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}
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_ => false,
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};
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if ret {
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2022-10-24 11:15:13 +00:00
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gst::log!(CAT, obj: pad, "Handled {:?}", query);
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2018-07-06 07:32:24 +00:00
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} else {
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2022-10-24 11:15:13 +00:00
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gst::log!(CAT, obj: pad, "Didn't handle {:?}", query);
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2018-07-06 07:32:24 +00:00
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}
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2019-12-02 09:30:07 +00:00
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ret
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2018-07-06 07:32:24 +00:00
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}
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2019-12-02 09:30:07 +00:00
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}
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2018-07-06 07:32:24 +00:00
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2020-04-20 19:35:06 +00:00
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struct TcpClientSrcTask {
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2020-11-14 17:09:42 +00:00
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element: super::TcpClientSrc,
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2020-04-20 19:35:06 +00:00
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saddr: SocketAddr,
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buffer_pool: Option<gst::BufferPool>,
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socket: Option<Socket<TcpClientReader>>,
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2022-06-26 20:00:01 +00:00
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need_initial_events: bool,
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need_segment: bool,
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2020-04-20 19:35:06 +00:00
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}
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impl TcpClientSrcTask {
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2022-06-26 20:00:01 +00:00
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fn new(element: super::TcpClientSrc, saddr: SocketAddr, buffer_pool: gst::BufferPool) -> Self {
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2020-04-20 19:35:06 +00:00
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TcpClientSrcTask {
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2022-06-26 20:00:01 +00:00
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element,
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2020-04-20 19:35:06 +00:00
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saddr,
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buffer_pool: Some(buffer_pool),
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socket: None,
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2022-06-26 20:00:01 +00:00
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need_initial_events: true,
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need_segment: true,
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2020-04-20 19:35:06 +00:00
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}
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}
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2022-06-26 20:00:01 +00:00
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async fn push_buffer(
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&mut self,
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buffer: gst::Buffer,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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2022-10-23 18:46:18 +00:00
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gst::log!(CAT, obj: self.element, "Handling {:?}", buffer);
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2022-06-26 20:00:01 +00:00
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let tcpclientsrc = self.element.imp();
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if self.need_initial_events {
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2022-10-23 18:46:18 +00:00
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gst::debug!(CAT, obj: self.element, "Pushing initial events");
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2022-06-26 20:00:01 +00:00
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let stream_id = format!("{:08x}{:08x}", rand::random::<u32>(), rand::random::<u32>());
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let stream_start_evt = gst::event::StreamStart::builder(&stream_id)
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.group_id(gst::GroupId::next())
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.build();
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tcpclientsrc.src_pad.push_event(stream_start_evt).await;
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let caps = tcpclientsrc.settings.lock().unwrap().caps.clone();
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if let Some(caps) = caps {
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tcpclientsrc
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.src_pad
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.push_event(gst::event::Caps::new(&caps))
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.await;
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*tcpclientsrc.configured_caps.lock().unwrap() = Some(caps);
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}
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self.need_initial_events = false;
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}
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if self.need_segment {
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let segment_evt =
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gst::event::Segment::new(&gst::FormattedSegment::<gst::format::Time>::new());
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tcpclientsrc.src_pad.push_event(segment_evt).await;
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self.need_segment = false;
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}
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if buffer.size() == 0 {
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tcpclientsrc
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.src_pad
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.push_event(gst::event::Eos::new())
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.await;
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return Ok(gst::FlowSuccess::Ok);
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}
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let res = tcpclientsrc.src_pad.push(buffer).await;
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match res {
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Ok(_) => {
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2022-10-23 18:46:18 +00:00
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gst::log!(CAT, obj: self.element, "Successfully pushed buffer");
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2022-06-26 20:00:01 +00:00
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}
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Err(gst::FlowError::Flushing) => {
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2022-10-23 18:46:18 +00:00
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gst::debug!(CAT, obj: self.element, "Flushing");
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2022-06-26 20:00:01 +00:00
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}
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Err(gst::FlowError::Eos) => {
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2022-10-23 18:46:18 +00:00
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gst::debug!(CAT, obj: self.element, "EOS");
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2022-06-26 20:00:01 +00:00
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tcpclientsrc
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.src_pad
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.push_event(gst::event::Eos::new())
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.await;
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}
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Err(err) => {
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2022-10-23 18:46:18 +00:00
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gst::error!(CAT, obj: self.element, "Got error {}", err);
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2022-06-26 20:00:01 +00:00
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gst::element_error!(
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self.element,
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gst::StreamError::Failed,
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("Internal data stream error"),
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["streaming stopped, reason {}", err]
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);
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}
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}
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res
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}
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2020-04-20 19:35:06 +00:00
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}
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impl TaskImpl for TcpClientSrcTask {
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2022-08-10 18:10:08 +00:00
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type Item = gst::Buffer;
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2020-04-20 19:35:06 +00:00
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fn prepare(&mut self) -> BoxFuture<'_, Result<(), gst::ErrorMessage>> {
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async move {
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2022-10-23 18:46:18 +00:00
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gst::log!(CAT, obj: self.element, "Preparing task connecting to {:?}", self.saddr);
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2020-04-20 19:35:06 +00:00
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2021-12-14 18:40:27 +00:00
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let socket = Async::<TcpStream>::connect(self.saddr)
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2020-04-20 19:35:06 +00:00
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.await
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.map_err(|err| {
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2020-12-20 18:43:45 +00:00
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gst::error_msg!(
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2020-04-20 19:35:06 +00:00
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gst::ResourceError::OpenRead,
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["Failed to connect to {:?}: {:?}", self.saddr, err]
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)
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})?;
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self.socket = Some(
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Socket::try_new(
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2020-11-14 17:09:42 +00:00
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self.element.clone().upcast(),
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2020-04-20 19:35:06 +00:00
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self.buffer_pool.take().unwrap(),
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|
|
TcpClientReader::new(socket),
|
|
|
|
)
|
|
|
|
.map_err(|err| {
|
2020-12-20 18:43:45 +00:00
|
|
|
gst::error_msg!(
|
2020-04-20 19:35:06 +00:00
|
|
|
gst::ResourceError::OpenRead,
|
|
|
|
["Failed to prepare socket {:?}", err]
|
|
|
|
)
|
|
|
|
})?,
|
|
|
|
);
|
|
|
|
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::log!(CAT, obj: self.element, "Task prepared");
|
2020-04-20 19:35:06 +00:00
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
.boxed()
|
|
|
|
}
|
|
|
|
|
2020-05-25 15:18:31 +00:00
|
|
|
fn handle_action_error(
|
2020-05-15 17:38:54 +00:00
|
|
|
&mut self,
|
2020-05-25 15:18:31 +00:00
|
|
|
trigger: task::Trigger,
|
2020-05-15 17:38:54 +00:00
|
|
|
state: TaskState,
|
|
|
|
err: gst::ErrorMessage,
|
2020-05-25 15:18:31 +00:00
|
|
|
) -> BoxFuture<'_, task::Trigger> {
|
2020-04-20 19:35:06 +00:00
|
|
|
async move {
|
2020-05-25 15:18:31 +00:00
|
|
|
match trigger {
|
|
|
|
task::Trigger::Prepare => {
|
2022-02-21 17:43:46 +00:00
|
|
|
gst::error!(CAT, "Task preparation failed: {:?}", err);
|
2020-06-30 20:57:22 +00:00
|
|
|
self.element.post_error_message(err);
|
2020-05-15 17:38:54 +00:00
|
|
|
|
2020-05-25 15:18:31 +00:00
|
|
|
task::Trigger::Error
|
2020-05-15 17:38:54 +00:00
|
|
|
}
|
2020-05-25 15:18:31 +00:00
|
|
|
other => unreachable!("Action error for {:?} in state {:?}", other, state),
|
2020-05-15 17:38:54 +00:00
|
|
|
}
|
2020-04-20 19:35:06 +00:00
|
|
|
}
|
|
|
|
.boxed()
|
|
|
|
}
|
|
|
|
|
2022-08-10 18:10:08 +00:00
|
|
|
fn try_next(&mut self) -> BoxFuture<'_, Result<gst::Buffer, gst::FlowError>> {
|
2020-04-20 19:35:06 +00:00
|
|
|
async move {
|
2022-08-10 18:10:08 +00:00
|
|
|
self.socket
|
|
|
|
.as_mut()
|
|
|
|
.unwrap()
|
|
|
|
.try_next()
|
|
|
|
.await
|
|
|
|
.map(|(buffer, _saddr)| buffer)
|
|
|
|
.map_err(|err| {
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::error!(CAT, obj: self.element, "Got error {:?}", err);
|
2022-08-10 18:10:08 +00:00
|
|
|
match err {
|
|
|
|
SocketError::Gst(err) => {
|
|
|
|
gst::element_error!(
|
|
|
|
self.element,
|
|
|
|
gst::StreamError::Failed,
|
|
|
|
("Internal data stream error"),
|
|
|
|
["streaming stopped, reason {}", err]
|
|
|
|
);
|
|
|
|
}
|
|
|
|
SocketError::Io(err) => {
|
|
|
|
gst::element_error!(
|
|
|
|
self.element,
|
|
|
|
gst::StreamError::Failed,
|
|
|
|
("I/O error"),
|
|
|
|
["streaming stopped, I/O error {}", err]
|
|
|
|
);
|
|
|
|
}
|
2022-06-26 20:00:01 +00:00
|
|
|
}
|
2022-08-10 18:10:08 +00:00
|
|
|
gst::FlowError::Error
|
|
|
|
})
|
2020-04-20 19:35:06 +00:00
|
|
|
}
|
|
|
|
.boxed()
|
|
|
|
}
|
|
|
|
|
2022-08-10 18:10:08 +00:00
|
|
|
fn handle_item(&mut self, buffer: gst::Buffer) -> BoxFuture<'_, Result<(), gst::FlowError>> {
|
|
|
|
self.push_buffer(buffer).map_ok(drop).boxed()
|
|
|
|
}
|
|
|
|
|
2020-05-15 17:38:54 +00:00
|
|
|
fn stop(&mut self) -> BoxFuture<'_, Result<(), gst::ErrorMessage>> {
|
2020-04-20 19:35:06 +00:00
|
|
|
async move {
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::log!(CAT, obj: self.element, "Stopping task");
|
2022-06-26 20:00:01 +00:00
|
|
|
self.need_initial_events = true;
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::log!(CAT, obj: self.element, "Task stopped");
|
2020-05-15 17:38:54 +00:00
|
|
|
Ok(())
|
2020-04-20 19:35:06 +00:00
|
|
|
}
|
|
|
|
.boxed()
|
|
|
|
}
|
|
|
|
|
2020-05-15 17:38:54 +00:00
|
|
|
fn flush_stop(&mut self) -> BoxFuture<'_, Result<(), gst::ErrorMessage>> {
|
2020-04-20 19:35:06 +00:00
|
|
|
async move {
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::log!(CAT, obj: self.element, "Stopping task flush");
|
2022-06-26 20:00:01 +00:00
|
|
|
self.need_initial_events = true;
|
2022-10-23 18:46:18 +00:00
|
|
|
gst::log!(CAT, obj: self.element, "Task flush stopped");
|
2020-05-15 17:38:54 +00:00
|
|
|
Ok(())
|
2020-04-20 19:35:06 +00:00
|
|
|
}
|
|
|
|
.boxed()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-11-14 17:09:42 +00:00
|
|
|
pub struct TcpClientSrc {
|
2019-12-02 09:30:07 +00:00
|
|
|
src_pad: PadSrc,
|
2020-03-26 18:07:25 +00:00
|
|
|
task: Task,
|
2022-06-26 20:00:01 +00:00
|
|
|
configured_caps: Mutex<Option<gst::Caps>>,
|
|
|
|
settings: Mutex<Settings>,
|
2019-12-02 09:30:07 +00:00
|
|
|
}
|
2018-07-06 07:32:24 +00:00
|
|
|
|
2020-11-22 14:24:55 +00:00
|
|
|
static CAT: Lazy<gst::DebugCategory> = Lazy::new(|| {
|
|
|
|
gst::DebugCategory::new(
|
2019-12-02 09:30:07 +00:00
|
|
|
"ts-tcpclientsrc",
|
|
|
|
gst::DebugColorFlags::empty(),
|
|
|
|
Some("Thread-sharing TCP Client source"),
|
2020-11-22 14:24:55 +00:00
|
|
|
)
|
|
|
|
});
|
2018-07-06 07:32:24 +00:00
|
|
|
|
2019-12-02 09:30:07 +00:00
|
|
|
impl TcpClientSrc {
|
2022-10-09 13:06:59 +00:00
|
|
|
fn prepare(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
gst::debug!(CAT, imp: self, "Preparing");
|
2022-06-26 20:00:01 +00:00
|
|
|
let settings = self.settings.lock().unwrap().clone();
|
2020-01-06 12:19:11 +00:00
|
|
|
|
2020-03-13 11:49:03 +00:00
|
|
|
let context =
|
2019-11-30 18:51:31 +00:00
|
|
|
Context::acquire(&settings.context, settings.context_wait).map_err(|err| {
|
2020-12-20 18:43:45 +00:00
|
|
|
gst::error_msg!(
|
2019-11-30 18:51:31 +00:00
|
|
|
gst::ResourceError::OpenRead,
|
|
|
|
["Failed to acquire Context: {}", err]
|
|
|
|
)
|
2020-03-13 11:49:03 +00:00
|
|
|
})?;
|
2018-07-06 07:32:24 +00:00
|
|
|
|
2022-06-26 20:00:01 +00:00
|
|
|
*self.configured_caps.lock().unwrap() = None;
|
|
|
|
|
2020-04-27 09:22:26 +00:00
|
|
|
let host: IpAddr = match settings.host {
|
2018-07-06 07:32:24 +00:00
|
|
|
None => {
|
2020-12-20 18:43:45 +00:00
|
|
|
return Err(gst::error_msg!(
|
2018-07-06 07:32:24 +00:00
|
|
|
gst::ResourceError::Settings,
|
2020-04-27 09:22:26 +00:00
|
|
|
["No host set"]
|
2018-12-04 17:01:40 +00:00
|
|
|
));
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2020-04-27 09:22:26 +00:00
|
|
|
Some(ref host) => match host.parse() {
|
2018-07-06 07:32:24 +00:00
|
|
|
Err(err) => {
|
2020-12-20 18:43:45 +00:00
|
|
|
return Err(gst::error_msg!(
|
2018-07-06 07:32:24 +00:00
|
|
|
gst::ResourceError::Settings,
|
2020-04-27 09:22:26 +00:00
|
|
|
["Invalid host '{}' set: {}", host, err]
|
2018-12-04 17:01:40 +00:00
|
|
|
));
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2020-04-27 09:22:26 +00:00
|
|
|
Ok(host) => host,
|
2018-07-06 07:32:24 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
let port = settings.port;
|
|
|
|
|
|
|
|
let buffer_pool = gst::BufferPool::new();
|
2021-04-12 12:49:54 +00:00
|
|
|
let mut config = buffer_pool.config();
|
2020-04-27 09:22:26 +00:00
|
|
|
config.set_params(None, settings.blocksize, 0, 0);
|
2018-07-06 07:32:24 +00:00
|
|
|
buffer_pool.set_config(config).map_err(|_| {
|
2020-12-20 18:43:45 +00:00
|
|
|
gst::error_msg!(
|
2018-07-06 07:32:24 +00:00
|
|
|
gst::ResourceError::Settings,
|
|
|
|
["Failed to configure buffer pool"]
|
|
|
|
)
|
|
|
|
})?;
|
|
|
|
|
2020-04-27 09:22:26 +00:00
|
|
|
let saddr = SocketAddr::new(host, port as u16);
|
2018-07-06 07:32:24 +00:00
|
|
|
|
2022-08-05 12:44:50 +00:00
|
|
|
// Don't block on `prepare` as the socket connection takes time.
|
|
|
|
// This will be performed in the background and we'll block on
|
|
|
|
// `start` which will also ensure `prepare` completed successfully.
|
2023-01-25 08:23:46 +00:00
|
|
|
let fut = self
|
2022-08-05 12:44:50 +00:00
|
|
|
.task
|
2020-04-20 19:35:06 +00:00
|
|
|
.prepare(
|
2022-10-23 20:03:22 +00:00
|
|
|
TcpClientSrcTask::new(self.obj().clone(), saddr, buffer_pool),
|
2020-04-20 19:35:06 +00:00
|
|
|
context,
|
2020-03-26 18:07:25 +00:00
|
|
|
)
|
2022-08-05 12:44:50 +00:00
|
|
|
.check()?;
|
2023-01-25 08:23:46 +00:00
|
|
|
drop(fut);
|
2020-03-19 18:34:51 +00:00
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::debug!(CAT, imp: self, "Preparing asynchronously");
|
2018-07-06 07:32:24 +00:00
|
|
|
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn unprepare(&self) {
|
|
|
|
gst::debug!(CAT, imp: self, "Unpreparing");
|
2022-08-05 12:44:50 +00:00
|
|
|
self.task.unprepare().block_on().unwrap();
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::debug!(CAT, imp: self, "Unprepared");
|
2020-03-13 11:49:03 +00:00
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn stop(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
gst::debug!(CAT, imp: self, "Stopping");
|
2022-08-05 12:44:50 +00:00
|
|
|
self.task.stop().block_on()?;
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::debug!(CAT, imp: self, "Stopped");
|
2020-05-15 17:38:54 +00:00
|
|
|
Ok(())
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn start(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
gst::debug!(CAT, imp: self, "Starting");
|
2022-08-05 12:44:50 +00:00
|
|
|
self.task.start().block_on()?;
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::debug!(CAT, imp: self, "Started");
|
2020-05-15 17:38:54 +00:00
|
|
|
Ok(())
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn pause(&self) -> Result<(), gst::ErrorMessage> {
|
|
|
|
gst::debug!(CAT, imp: self, "Pausing");
|
2022-08-10 18:10:08 +00:00
|
|
|
self.task.pause().block_on()?;
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::debug!(CAT, imp: self, "Paused");
|
2020-05-15 17:38:54 +00:00
|
|
|
Ok(())
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-03-07 16:22:24 +00:00
|
|
|
#[glib::object_subclass]
|
2018-12-06 11:03:04 +00:00
|
|
|
impl ObjectSubclass for TcpClientSrc {
|
2022-10-23 15:42:58 +00:00
|
|
|
const NAME: &'static str = "GstTsTcpClientSrc";
|
2020-11-14 17:09:42 +00:00
|
|
|
type Type = super::TcpClientSrc;
|
2018-12-06 11:03:04 +00:00
|
|
|
type ParentType = gst::Element;
|
|
|
|
|
2020-11-14 17:09:42 +00:00
|
|
|
fn with_class(klass: &Self::Class) -> Self {
|
2018-12-06 11:03:04 +00:00
|
|
|
Self {
|
2020-04-29 13:03:43 +00:00
|
|
|
src_pad: PadSrc::new(
|
2021-04-20 12:58:11 +00:00
|
|
|
gst::Pad::from_template(&klass.pad_template("src").unwrap(), Some("src")),
|
2022-06-26 20:00:01 +00:00
|
|
|
TcpClientSrcPadHandler,
|
2020-04-29 13:03:43 +00:00
|
|
|
),
|
2020-03-26 18:07:25 +00:00
|
|
|
task: Task::default(),
|
2022-06-26 20:00:01 +00:00
|
|
|
configured_caps: Default::default(),
|
|
|
|
settings: Default::default(),
|
2018-12-06 11:03:04 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl ObjectImpl for TcpClientSrc {
|
2021-01-21 18:21:29 +00:00
|
|
|
fn properties() -> &'static [glib::ParamSpec] {
|
|
|
|
static PROPERTIES: Lazy<Vec<glib::ParamSpec>> = Lazy::new(|| {
|
|
|
|
vec![
|
2022-08-18 12:04:15 +00:00
|
|
|
glib::ParamSpecString::builder("context")
|
|
|
|
.nick("Context")
|
|
|
|
.blurb("Context name to share threads with")
|
|
|
|
.default_value(Some(DEFAULT_CONTEXT))
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecUInt::builder("context-wait")
|
|
|
|
.nick("Context Wait")
|
|
|
|
.blurb("Throttle poll loop to run at most once every this many ms")
|
|
|
|
.maximum(1000)
|
|
|
|
.default_value(DEFAULT_CONTEXT_WAIT.as_millis() as u32)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecString::builder("host")
|
|
|
|
.nick("Host")
|
|
|
|
.blurb("The host IP address to receive packets from")
|
|
|
|
.default_value(DEFAULT_HOST)
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecInt::builder("port")
|
|
|
|
.nick("Port")
|
|
|
|
.blurb("Port to receive packets from")
|
|
|
|
.minimum(0)
|
|
|
|
.maximum(u16::MAX as i32)
|
|
|
|
.default_value(DEFAULT_PORT)
|
|
|
|
.build(),
|
2022-09-05 08:45:47 +00:00
|
|
|
glib::ParamSpecBoxed::builder::<gst::Caps>("caps")
|
2022-08-18 12:04:15 +00:00
|
|
|
.nick("Caps")
|
|
|
|
.blurb("Caps to use")
|
|
|
|
.build(),
|
|
|
|
glib::ParamSpecUInt::builder("blocksize")
|
|
|
|
.nick("Blocksize")
|
|
|
|
.blurb("Size in bytes to read per buffer (-1 = default)")
|
|
|
|
.default_value(DEFAULT_BLOCKSIZE)
|
|
|
|
.build(),
|
2021-01-21 18:21:29 +00:00
|
|
|
]
|
|
|
|
});
|
|
|
|
|
|
|
|
PROPERTIES.as_ref()
|
|
|
|
}
|
2018-07-06 07:32:24 +00:00
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn set_property(&self, _id: usize, value: &glib::Value, pspec: &glib::ParamSpec) {
|
2020-03-13 11:49:03 +00:00
|
|
|
let mut settings = self.settings.lock().unwrap();
|
2021-04-12 12:49:54 +00:00
|
|
|
match pspec.name() {
|
2021-01-21 18:21:29 +00:00
|
|
|
"host" => {
|
2020-04-27 09:22:26 +00:00
|
|
|
settings.host = value.get().expect("type checked upstream");
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2021-01-21 18:21:29 +00:00
|
|
|
"port" => {
|
2021-04-25 12:41:22 +00:00
|
|
|
settings.port = value.get().expect("type checked upstream");
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2021-01-21 18:21:29 +00:00
|
|
|
"caps" => {
|
2019-08-12 22:45:36 +00:00
|
|
|
settings.caps = value.get().expect("type checked upstream");
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2021-01-21 18:21:29 +00:00
|
|
|
"blocksize" => {
|
2021-04-25 12:41:22 +00:00
|
|
|
settings.blocksize = value.get().expect("type checked upstream");
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2021-01-21 18:21:29 +00:00
|
|
|
"context" => {
|
2019-08-12 22:45:36 +00:00
|
|
|
settings.context = value
|
2021-04-25 12:41:22 +00:00
|
|
|
.get::<Option<String>>()
|
2019-08-12 22:45:36 +00:00
|
|
|
.expect("type checked upstream")
|
2021-12-14 18:40:27 +00:00
|
|
|
.unwrap_or_else(|| DEFAULT_CONTEXT.into());
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2021-01-21 18:21:29 +00:00
|
|
|
"context-wait" => {
|
2021-05-26 09:54:34 +00:00
|
|
|
settings.context_wait = Duration::from_millis(
|
|
|
|
value.get::<u32>().expect("type checked upstream").into(),
|
|
|
|
);
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
_ => unimplemented!(),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn property(&self, _id: usize, pspec: &glib::ParamSpec) -> glib::Value {
|
2020-03-13 11:49:03 +00:00
|
|
|
let settings = self.settings.lock().unwrap();
|
2021-04-12 12:49:54 +00:00
|
|
|
match pspec.name() {
|
2021-01-21 18:21:29 +00:00
|
|
|
"host" => settings.host.to_value(),
|
|
|
|
"port" => settings.port.to_value(),
|
|
|
|
"caps" => settings.caps.to_value(),
|
|
|
|
"blocksize" => settings.blocksize.to_value(),
|
|
|
|
"context" => settings.context.to_value(),
|
2021-05-26 09:54:34 +00:00
|
|
|
"context-wait" => (settings.context_wait.as_millis() as u32).to_value(),
|
2018-07-06 07:32:24 +00:00
|
|
|
_ => unimplemented!(),
|
|
|
|
}
|
|
|
|
}
|
2018-12-06 11:03:04 +00:00
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
fn constructed(&self) {
|
|
|
|
self.parent_constructed();
|
2018-12-06 11:03:04 +00:00
|
|
|
|
2022-10-23 20:03:22 +00:00
|
|
|
let obj = self.obj();
|
2020-11-14 17:09:42 +00:00
|
|
|
obj.add_pad(self.src_pad.gst_pad()).unwrap();
|
2022-10-09 13:06:59 +00:00
|
|
|
obj.set_element_flags(gst::ElementFlags::SOURCE);
|
2018-12-06 11:03:04 +00:00
|
|
|
}
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
|
2021-10-23 08:57:31 +00:00
|
|
|
impl GstObjectImpl for TcpClientSrc {}
|
|
|
|
|
2018-12-06 11:03:04 +00:00
|
|
|
impl ElementImpl for TcpClientSrc {
|
2021-01-21 18:21:29 +00:00
|
|
|
fn metadata() -> Option<&'static gst::subclass::ElementMetadata> {
|
|
|
|
static ELEMENT_METADATA: Lazy<gst::subclass::ElementMetadata> = Lazy::new(|| {
|
|
|
|
gst::subclass::ElementMetadata::new(
|
|
|
|
"Thread-sharing TCP client source",
|
|
|
|
"Source/Network",
|
|
|
|
"Receives data over the network via TCP",
|
|
|
|
"Sebastian Dröge <sebastian@centricular.com>, LEE Dongjun <redongjun@gmail.com>",
|
|
|
|
)
|
|
|
|
});
|
|
|
|
|
|
|
|
Some(&*ELEMENT_METADATA)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn pad_templates() -> &'static [gst::PadTemplate] {
|
|
|
|
static PAD_TEMPLATES: Lazy<Vec<gst::PadTemplate>> = Lazy::new(|| {
|
|
|
|
let caps = gst::Caps::new_any();
|
|
|
|
let src_pad_template = gst::PadTemplate::new(
|
|
|
|
"src",
|
|
|
|
gst::PadDirection::Src,
|
|
|
|
gst::PadPresence::Always,
|
|
|
|
&caps,
|
|
|
|
)
|
|
|
|
.unwrap();
|
|
|
|
|
|
|
|
vec![src_pad_template]
|
|
|
|
});
|
|
|
|
|
|
|
|
PAD_TEMPLATES.as_ref()
|
|
|
|
}
|
|
|
|
|
2018-07-06 07:32:24 +00:00
|
|
|
fn change_state(
|
|
|
|
&self,
|
|
|
|
transition: gst::StateChange,
|
2019-01-11 23:45:05 +00:00
|
|
|
) -> Result<gst::StateChangeSuccess, gst::StateChangeError> {
|
2022-10-09 13:06:59 +00:00
|
|
|
gst::trace!(CAT, imp: self, "Changing state {:?}", transition);
|
2018-07-06 07:32:24 +00:00
|
|
|
|
|
|
|
match transition {
|
2019-01-11 23:45:05 +00:00
|
|
|
gst::StateChange::NullToReady => {
|
2022-10-09 13:06:59 +00:00
|
|
|
self.prepare().map_err(|err| {
|
|
|
|
self.post_error_message(err);
|
2019-11-30 18:51:31 +00:00
|
|
|
gst::StateChangeError
|
|
|
|
})?;
|
2019-01-11 23:45:05 +00:00
|
|
|
}
|
|
|
|
gst::StateChange::PlayingToPaused => {
|
2022-10-09 13:06:59 +00:00
|
|
|
self.pause().map_err(|_| gst::StateChangeError)?;
|
2019-12-02 09:30:07 +00:00
|
|
|
}
|
|
|
|
gst::StateChange::ReadyToNull => {
|
2022-10-09 13:06:59 +00:00
|
|
|
self.unprepare();
|
2019-01-11 23:45:05 +00:00
|
|
|
}
|
2018-07-06 07:32:24 +00:00
|
|
|
_ => (),
|
|
|
|
}
|
|
|
|
|
2022-10-09 13:06:59 +00:00
|
|
|
let mut success = self.parent_change_state(transition)?;
|
2018-07-06 07:32:24 +00:00
|
|
|
|
|
|
|
match transition {
|
|
|
|
gst::StateChange::ReadyToPaused => {
|
2020-03-13 11:49:03 +00:00
|
|
|
success = gst::StateChangeSuccess::NoPreroll;
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
2019-11-30 18:51:31 +00:00
|
|
|
gst::StateChange::PausedToPlaying => {
|
2022-10-09 13:06:59 +00:00
|
|
|
self.start().map_err(|_| gst::StateChangeError)?;
|
2020-03-13 11:49:03 +00:00
|
|
|
}
|
|
|
|
gst::StateChange::PlayingToPaused => {
|
|
|
|
success = gst::StateChangeSuccess::NoPreroll;
|
2019-11-30 18:51:31 +00:00
|
|
|
}
|
2018-07-06 07:32:24 +00:00
|
|
|
gst::StateChange::PausedToReady => {
|
2022-10-09 13:06:59 +00:00
|
|
|
self.stop().map_err(|_| gst::StateChangeError)?;
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
_ => (),
|
|
|
|
}
|
|
|
|
|
2019-01-11 23:45:05 +00:00
|
|
|
Ok(success)
|
2018-07-06 07:32:24 +00:00
|
|
|
}
|
|
|
|
}
|