2022-02-04 12:21:45 +00:00
|
|
|
// player.rs
|
2021-11-17 15:15:16 +00:00
|
|
|
//
|
|
|
|
// Copyright 2021 Stéphane Cerveau <scerveau@collabora.com>
|
|
|
|
//
|
2022-02-09 10:28:59 +00:00
|
|
|
// This file is part of GstPipelineStudio
|
2021-11-17 15:15:16 +00:00
|
|
|
//
|
|
|
|
// SPDX-License-Identifier: GPL-3.0-only
|
2022-01-20 14:06:14 +00:00
|
|
|
|
2022-01-25 17:13:29 +00:00
|
|
|
use crate::app::{AppState, GPSApp, GPSAppWeak};
|
2022-02-10 12:28:35 +00:00
|
|
|
use crate::graphmanager as GM;
|
|
|
|
use crate::graphmanager::PropertyExt;
|
2022-01-28 14:24:30 +00:00
|
|
|
|
2022-02-10 12:28:35 +00:00
|
|
|
use crate::common;
|
2022-01-28 14:24:30 +00:00
|
|
|
use crate::gps::ElementInfo;
|
2022-01-04 16:48:32 +00:00
|
|
|
use crate::logger;
|
2022-02-01 14:58:26 +00:00
|
|
|
use crate::settings;
|
2022-01-04 16:48:32 +00:00
|
|
|
use crate::GPS_INFO;
|
|
|
|
|
2022-01-17 13:39:26 +00:00
|
|
|
use gst::glib;
|
2021-11-17 15:15:16 +00:00
|
|
|
use gst::prelude::*;
|
2022-01-28 14:24:30 +00:00
|
|
|
use gtk::gdk;
|
2021-12-03 13:47:20 +00:00
|
|
|
use std::cell::{Cell, RefCell};
|
2021-12-08 13:15:22 +00:00
|
|
|
use std::collections::HashMap;
|
2021-12-03 13:47:20 +00:00
|
|
|
use std::fmt;
|
2022-09-06 10:38:22 +00:00
|
|
|
use std::fmt::Write as _;
|
2021-12-03 13:47:20 +00:00
|
|
|
use std::ops;
|
|
|
|
use std::rc::{Rc, Weak};
|
2021-11-17 15:15:16 +00:00
|
|
|
|
2022-09-06 10:38:22 +00:00
|
|
|
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
2021-12-03 13:47:20 +00:00
|
|
|
pub enum PipelineState {
|
|
|
|
Playing,
|
|
|
|
Paused,
|
|
|
|
Stopped,
|
2022-01-25 17:13:29 +00:00
|
|
|
Error,
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
impl fmt::Display for PipelineState {
|
|
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
2023-02-13 15:39:33 +00:00
|
|
|
write!(f, "{self:?}")
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#[derive(Debug, Clone)]
|
2022-02-04 12:21:45 +00:00
|
|
|
pub struct Player(Rc<PlayerInner>);
|
2021-12-03 13:47:20 +00:00
|
|
|
|
|
|
|
// Deref into the contained struct to make usage a bit more ergonomic
|
2022-02-04 12:21:45 +00:00
|
|
|
impl ops::Deref for Player {
|
|
|
|
type Target = PlayerInner;
|
2021-12-03 13:47:20 +00:00
|
|
|
|
2022-02-04 12:21:45 +00:00
|
|
|
fn deref(&self) -> &PlayerInner {
|
2023-02-13 15:39:33 +00:00
|
|
|
&self.0
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
2021-11-17 15:15:16 +00:00
|
|
|
}
|
|
|
|
|
2021-12-03 13:47:20 +00:00
|
|
|
#[derive(Debug, Clone)]
|
2022-02-04 12:21:45 +00:00
|
|
|
pub struct PlayerWeak(Weak<PlayerInner>);
|
2021-12-03 13:47:20 +00:00
|
|
|
|
2022-02-04 12:21:45 +00:00
|
|
|
impl PlayerWeak {
|
|
|
|
pub fn upgrade(&self) -> Option<Player> {
|
|
|
|
self.0.upgrade().map(Player)
|
2021-11-17 15:15:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-12-03 13:47:20 +00:00
|
|
|
#[derive(Debug)]
|
2022-02-04 12:21:45 +00:00
|
|
|
pub struct PlayerInner {
|
2022-01-25 17:13:29 +00:00
|
|
|
app: RefCell<Option<GPSApp>>,
|
2021-12-03 13:47:20 +00:00
|
|
|
pipeline: RefCell<Option<gst::Pipeline>>,
|
|
|
|
current_state: Cell<PipelineState>,
|
2022-02-04 12:21:45 +00:00
|
|
|
n_video_sink: Cell<usize>,
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
|
2022-02-04 12:21:45 +00:00
|
|
|
impl Player {
|
2022-01-11 13:38:18 +00:00
|
|
|
pub fn new() -> anyhow::Result<Self> {
|
2022-02-04 12:21:45 +00:00
|
|
|
let pipeline = Player(Rc::new(PlayerInner {
|
2022-01-25 17:13:29 +00:00
|
|
|
app: RefCell::new(None),
|
2021-12-03 13:47:20 +00:00
|
|
|
pipeline: RefCell::new(None),
|
|
|
|
current_state: Cell::new(PipelineState::Stopped),
|
2022-02-04 12:21:45 +00:00
|
|
|
n_video_sink: Cell::new(0),
|
2021-12-03 13:47:20 +00:00
|
|
|
}));
|
|
|
|
|
|
|
|
Ok(pipeline)
|
|
|
|
}
|
|
|
|
|
2022-02-10 12:19:47 +00:00
|
|
|
pub fn get_version() -> String {
|
|
|
|
gst::version_string().to_string()
|
|
|
|
}
|
|
|
|
|
2022-01-25 17:13:29 +00:00
|
|
|
pub fn set_app(&self, app: GPSAppWeak) {
|
|
|
|
*self.app.borrow_mut() = Some(app.upgrade().unwrap());
|
|
|
|
}
|
|
|
|
|
2022-01-28 14:24:30 +00:00
|
|
|
pub fn create_pipeline(&self, description: &str) -> anyhow::Result<gst::Pipeline> {
|
2022-01-04 16:48:32 +00:00
|
|
|
GPS_INFO!("Creating pipeline {}", description);
|
2022-02-04 14:06:29 +00:00
|
|
|
self.n_video_sink.set(0);
|
2022-02-01 14:58:26 +00:00
|
|
|
if settings::Settings::load_settings()
|
|
|
|
.preferences
|
|
|
|
.get("use_gtk4_sink")
|
|
|
|
.unwrap_or(&"true".to_string())
|
|
|
|
.parse::<bool>()
|
|
|
|
.expect("Should a boolean value")
|
|
|
|
{
|
|
|
|
ElementInfo::element_update_rank("gtk4paintablesink", gst::Rank::Primary);
|
|
|
|
} else {
|
|
|
|
ElementInfo::element_update_rank("gtk4paintablesink", gst::Rank::Marginal);
|
|
|
|
}
|
|
|
|
|
2022-01-11 13:38:18 +00:00
|
|
|
// Create pipeline from the description
|
2022-03-07 10:07:18 +00:00
|
|
|
let pipeline = gst::parse_launch(description)?;
|
2022-01-25 13:34:16 +00:00
|
|
|
let pipeline = pipeline.downcast::<gst::Pipeline>();
|
|
|
|
/* start playing */
|
|
|
|
if pipeline.is_err() {
|
2022-01-11 13:38:18 +00:00
|
|
|
GPS_ERROR!("Can not create a proper pipeline from gstreamer parse_launch");
|
2022-01-25 13:34:16 +00:00
|
|
|
return Err(anyhow::anyhow!(
|
2022-03-07 10:07:18 +00:00
|
|
|
"Unable to create a pipeline from the given parse launch"
|
2022-01-25 13:34:16 +00:00
|
|
|
));
|
2022-01-10 17:33:08 +00:00
|
|
|
}
|
2022-02-04 14:06:29 +00:00
|
|
|
self.check_for_gtk4sink(pipeline.as_ref().unwrap());
|
|
|
|
// GPSApp is not Send(trait) ready , so we use a channel to exchange the given data with the main thread and use
|
|
|
|
// GPSApp.
|
2023-08-26 10:59:57 +00:00
|
|
|
let (ready_tx, ready_rx) = glib::MainContext::channel(glib::Priority::DEFAULT);
|
2022-02-04 14:06:29 +00:00
|
|
|
let player_weak = self.downgrade();
|
|
|
|
let _ = ready_rx.attach(None, move |element: gst::Element| {
|
2023-08-26 10:59:57 +00:00
|
|
|
let player = upgrade_weak!(player_weak, glib::ControlFlow::Break);
|
2022-02-04 14:06:29 +00:00
|
|
|
let paintable = element.property::<gdk::Paintable>("paintable");
|
|
|
|
let n_sink = player.n_video_sink.get();
|
|
|
|
player
|
|
|
|
.app
|
|
|
|
.borrow()
|
|
|
|
.as_ref()
|
|
|
|
.expect("App should be available")
|
|
|
|
.set_app_preview(&paintable, n_sink);
|
|
|
|
player.n_video_sink.set(n_sink + 1);
|
2023-08-26 10:59:57 +00:00
|
|
|
glib::ControlFlow::Continue
|
2022-02-04 14:06:29 +00:00
|
|
|
});
|
|
|
|
let bin = pipeline.unwrap().dynamic_cast::<gst::Bin>();
|
|
|
|
if let Ok(bin) = bin.as_ref() {
|
|
|
|
bin.connect_deep_element_added(move |_, _, element| {
|
|
|
|
if let Some(factory) = element.factory() {
|
|
|
|
GPS_INFO!("Received the signal deep element added {}", factory.name());
|
|
|
|
if factory.name() == "gtk4paintablesink" {
|
|
|
|
let _ = ready_tx.send(element.clone());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
let pipeline = bin.unwrap().dynamic_cast::<gst::Pipeline>();
|
2022-01-25 13:34:16 +00:00
|
|
|
Ok(pipeline.unwrap())
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
|
2022-01-28 14:24:30 +00:00
|
|
|
pub fn check_for_gtk4sink(&self, pipeline: &gst::Pipeline) {
|
|
|
|
let bin = pipeline.clone().dynamic_cast::<gst::Bin>().unwrap();
|
2022-02-01 10:46:39 +00:00
|
|
|
let gtksinks = ElementInfo::search_fo_element(&bin, "gtk4paintablesink");
|
|
|
|
|
|
|
|
for (first_sink, gtksink) in gtksinks.into_iter().enumerate() {
|
2022-01-28 14:24:30 +00:00
|
|
|
let paintable = gtksink.property::<gdk::Paintable>("paintable");
|
|
|
|
self.app
|
|
|
|
.borrow()
|
|
|
|
.as_ref()
|
|
|
|
.expect("App should be available")
|
2022-02-01 10:46:39 +00:00
|
|
|
.set_app_preview(&paintable, first_sink);
|
2022-01-28 14:24:30 +00:00
|
|
|
}
|
|
|
|
}
|
2022-02-01 10:46:39 +00:00
|
|
|
|
2022-01-11 13:38:18 +00:00
|
|
|
pub fn start_pipeline(
|
|
|
|
&self,
|
2022-02-10 12:28:35 +00:00
|
|
|
graphview: &GM::GraphView,
|
2022-01-11 13:38:18 +00:00
|
|
|
new_state: PipelineState,
|
|
|
|
) -> anyhow::Result<PipelineState> {
|
2022-01-25 17:13:29 +00:00
|
|
|
if self.state() == PipelineState::Stopped || self.state() == PipelineState::Error {
|
2022-01-25 13:34:16 +00:00
|
|
|
let pipeline = self
|
2022-02-10 12:28:35 +00:00
|
|
|
.create_pipeline(&self.pipeline_description_from_graphview(graphview))
|
2022-01-11 13:38:18 +00:00
|
|
|
.map_err(|err| {
|
2022-02-10 12:28:35 +00:00
|
|
|
GPS_ERROR!("Unable to create a pipeline: {}", err);
|
2022-01-12 17:46:07 +00:00
|
|
|
err
|
|
|
|
})?;
|
2022-01-28 14:24:30 +00:00
|
|
|
|
2022-01-25 13:34:16 +00:00
|
|
|
let bus = pipeline.bus().expect("Pipeline had no bus");
|
|
|
|
let pipeline_weak = self.downgrade();
|
2023-08-26 10:59:57 +00:00
|
|
|
let _ = bus.add_watch_local(move |_bus, msg| {
|
|
|
|
let pipeline = upgrade_weak!(pipeline_weak, glib::ControlFlow::Break);
|
2022-01-25 13:34:16 +00:00
|
|
|
pipeline.on_pipeline_message(msg);
|
2023-08-26 10:59:57 +00:00
|
|
|
glib::ControlFlow::Continue
|
2022-01-25 13:34:16 +00:00
|
|
|
})?;
|
|
|
|
*self.pipeline.borrow_mut() = Some(pipeline);
|
2022-01-11 13:38:18 +00:00
|
|
|
}
|
|
|
|
|
2022-01-12 17:46:07 +00:00
|
|
|
self.set_state(new_state).map_err(|error| {
|
|
|
|
GPS_ERROR!("Unable to change state {}", error);
|
|
|
|
error
|
|
|
|
})?;
|
|
|
|
|
2022-01-11 13:38:18 +00:00
|
|
|
Ok(self.state())
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn set_state(&self, new_state: PipelineState) -> anyhow::Result<PipelineState> {
|
2021-12-03 13:47:20 +00:00
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
2022-01-11 13:38:18 +00:00
|
|
|
match new_state {
|
2021-12-03 13:47:20 +00:00
|
|
|
PipelineState::Playing => pipeline.set_state(gst::State::Playing)?,
|
|
|
|
PipelineState::Paused => pipeline.set_state(gst::State::Paused)?,
|
2022-01-25 17:13:29 +00:00
|
|
|
PipelineState::Stopped | PipelineState::Error => {
|
2021-12-03 13:47:20 +00:00
|
|
|
pipeline.set_state(gst::State::Null)?;
|
2022-03-21 14:46:52 +00:00
|
|
|
self.n_video_sink.set(0);
|
2021-12-03 13:47:20 +00:00
|
|
|
gst::StateChangeSuccess::Success
|
|
|
|
}
|
|
|
|
};
|
2022-01-11 13:38:18 +00:00
|
|
|
self.current_state.set(new_state);
|
2022-01-25 17:13:29 +00:00
|
|
|
self.app
|
|
|
|
.borrow()
|
|
|
|
.as_ref()
|
|
|
|
.expect("App should be available")
|
2022-02-04 12:21:45 +00:00
|
|
|
.set_app_state(Player::state_to_app_state(new_state));
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
2022-01-11 13:38:18 +00:00
|
|
|
Ok(new_state)
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
pub fn state(&self) -> PipelineState {
|
|
|
|
self.current_state.get()
|
|
|
|
}
|
|
|
|
|
2022-01-31 14:53:47 +00:00
|
|
|
pub fn set_position(&self, position: u64) -> anyhow::Result<()> {
|
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
|
|
|
pipeline.seek_simple(
|
|
|
|
gst::SeekFlags::FLUSH | gst::SeekFlags::KEY_UNIT,
|
|
|
|
position * gst::ClockTime::SECOND,
|
|
|
|
)?;
|
|
|
|
}
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn position(&self) -> u64 {
|
|
|
|
let mut position = gst::ClockTime::NONE;
|
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
|
|
|
position = pipeline.query_position::<gst::ClockTime>();
|
|
|
|
}
|
|
|
|
position.unwrap_or_default().mseconds()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn duration(&self) -> u64 {
|
|
|
|
let mut duration = gst::ClockTime::NONE;
|
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
|
|
|
duration = pipeline.query_duration::<gst::ClockTime>();
|
|
|
|
}
|
|
|
|
duration.unwrap_or_default().mseconds()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn position_description(&self) -> String {
|
|
|
|
let mut position = gst::ClockTime::NONE;
|
|
|
|
let mut duration = gst::ClockTime::NONE;
|
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
|
|
|
position = pipeline.query_position::<gst::ClockTime>();
|
|
|
|
duration = pipeline.query_duration::<gst::ClockTime>();
|
|
|
|
}
|
|
|
|
format!(
|
|
|
|
"{:.0}/{:.0}",
|
|
|
|
position.unwrap_or_default().display(),
|
|
|
|
duration.unwrap_or_default().display(),
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
2022-01-25 17:13:29 +00:00
|
|
|
fn state_to_app_state(state: PipelineState) -> AppState {
|
|
|
|
match state {
|
|
|
|
PipelineState::Playing => AppState::Playing,
|
|
|
|
PipelineState::Paused => AppState::Paused,
|
|
|
|
PipelineState::Stopped => AppState::Stopped,
|
|
|
|
PipelineState::Error => AppState::Error,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-02-04 16:34:56 +00:00
|
|
|
pub fn playing(&self) -> bool {
|
|
|
|
self.state() == PipelineState::Playing || self.state() == PipelineState::Paused
|
|
|
|
}
|
2022-03-21 14:46:52 +00:00
|
|
|
pub fn n_video_sink(&self) -> usize {
|
|
|
|
self.n_video_sink.get()
|
|
|
|
}
|
2022-02-04 16:34:56 +00:00
|
|
|
|
2022-02-04 12:21:45 +00:00
|
|
|
pub fn downgrade(&self) -> PlayerWeak {
|
|
|
|
PlayerWeak(Rc::downgrade(&self.0))
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
fn on_pipeline_message(&self, msg: &gst::MessageRef) {
|
|
|
|
use gst::MessageView;
|
|
|
|
match msg.view() {
|
2022-02-07 09:24:26 +00:00
|
|
|
MessageView::Eos(_) => {
|
|
|
|
GPS_INFO!("EOS received");
|
|
|
|
self.set_state(PipelineState::Stopped)
|
|
|
|
.expect("Unable to set state to stopped");
|
|
|
|
}
|
2021-12-03 13:47:20 +00:00
|
|
|
MessageView::Error(err) => {
|
2022-01-10 17:33:08 +00:00
|
|
|
GPS_ERROR!(
|
|
|
|
"Error from {:?}: {} ({:?})",
|
|
|
|
err.src().map(|s| s.path_string()),
|
|
|
|
err.error(),
|
|
|
|
err.debug()
|
|
|
|
);
|
2022-01-25 17:13:29 +00:00
|
|
|
self.set_state(PipelineState::Error)
|
2022-02-07 09:24:26 +00:00
|
|
|
.expect("Unable to set state to Error");
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
MessageView::Application(msg) => match msg.structure() {
|
|
|
|
// Here we can send ourselves messages from any thread and show them to the user in
|
|
|
|
// the UI in case something goes wrong
|
|
|
|
Some(s) if s.name() == "warning" => {
|
|
|
|
let text = s.get::<&str>("text").expect("Warning message without text");
|
2022-01-10 17:33:08 +00:00
|
|
|
GPS_WARN!("{}", text);
|
2021-12-03 13:47:20 +00:00
|
|
|
}
|
|
|
|
_ => (),
|
|
|
|
},
|
|
|
|
_ => (),
|
|
|
|
};
|
2021-11-17 15:15:16 +00:00
|
|
|
}
|
|
|
|
|
2022-02-04 16:34:56 +00:00
|
|
|
pub fn pipeline_elements(&self) -> Option<Vec<String>> {
|
|
|
|
if self.playing() {
|
|
|
|
let bin = self
|
|
|
|
.pipeline
|
|
|
|
.borrow()
|
|
|
|
.clone()
|
|
|
|
.unwrap()
|
|
|
|
.dynamic_cast::<gst::Bin>()
|
|
|
|
.unwrap();
|
|
|
|
let elements_name: Vec<String> = ElementInfo::search_fo_element(&bin, "")
|
|
|
|
.iter()
|
|
|
|
.map(|e| e.factory().unwrap().name().to_string())
|
|
|
|
.collect();
|
|
|
|
return Some(elements_name);
|
|
|
|
}
|
|
|
|
None
|
|
|
|
}
|
|
|
|
|
2021-12-15 12:25:13 +00:00
|
|
|
// Render graph methods
|
2023-02-13 15:39:33 +00:00
|
|
|
#[allow(clippy::only_used_in_recursion)]
|
2022-01-11 13:38:18 +00:00
|
|
|
fn process_gst_node(
|
2021-12-15 12:25:13 +00:00
|
|
|
&self,
|
2022-02-10 12:28:35 +00:00
|
|
|
graphview: &GM::GraphView,
|
|
|
|
node: &GM::Node,
|
2022-01-10 13:17:08 +00:00
|
|
|
elements: &mut HashMap<String, String>,
|
2021-12-15 12:25:13 +00:00
|
|
|
mut description: String,
|
|
|
|
) -> String {
|
|
|
|
let unique_name = node.unique_name();
|
2022-09-06 10:38:22 +00:00
|
|
|
let _ = write!(description, "{} name={} ", node.name(), unique_name);
|
2022-01-10 13:17:08 +00:00
|
|
|
elements.insert(unique_name.clone(), unique_name.clone());
|
2022-02-03 15:49:11 +00:00
|
|
|
// Node properties
|
2021-12-15 12:25:13 +00:00
|
|
|
for (name, value) in node.properties().iter() {
|
2022-01-20 17:18:52 +00:00
|
|
|
//This allow to have an index in front of a property such as an enum.
|
2022-01-12 17:45:19 +00:00
|
|
|
if !node.hidden_property(name) {
|
2023-02-13 15:39:33 +00:00
|
|
|
let _ = write!(description, "{name}={value} ");
|
2022-02-03 15:49:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
//Port properties
|
2022-02-10 12:28:35 +00:00
|
|
|
let ports = node.all_ports(GM::PortDirection::All);
|
2022-02-03 15:49:11 +00:00
|
|
|
for port in ports {
|
|
|
|
for (name, value) in port.properties().iter() {
|
|
|
|
if !port.hidden_property(name) {
|
2022-09-06 10:38:22 +00:00
|
|
|
let _ = write!(description, "{}::{}={} ", port.name(), name, value);
|
2022-02-03 15:49:11 +00:00
|
|
|
}
|
2022-01-12 17:45:19 +00:00
|
|
|
}
|
2021-12-15 12:25:13 +00:00
|
|
|
}
|
|
|
|
|
2022-02-10 12:28:35 +00:00
|
|
|
let ports = node.all_ports(GM::PortDirection::Output);
|
2021-12-15 12:25:13 +00:00
|
|
|
let n_ports = ports.len();
|
|
|
|
for port in ports {
|
|
|
|
if let Some((_port_to, node_to)) = graphview.port_connected_to(port.id()) {
|
|
|
|
if n_ports > 1 {
|
2023-02-13 15:39:33 +00:00
|
|
|
let _ = write!(description, "{unique_name}. ! ");
|
2021-12-15 12:25:13 +00:00
|
|
|
} else {
|
2023-08-11 09:35:39 +00:00
|
|
|
if let Some(link) = graphview.port_link(port.id()) {
|
|
|
|
if !link.name().is_empty() {
|
|
|
|
let _ = write!(description, "! {} ", link.name());
|
|
|
|
}
|
|
|
|
}
|
2022-01-10 13:17:08 +00:00
|
|
|
description.push_str("! ");
|
2021-12-15 12:25:13 +00:00
|
|
|
}
|
2022-01-18 09:51:06 +00:00
|
|
|
if let Some(node) = graphview.node(node_to) {
|
2022-01-10 13:17:08 +00:00
|
|
|
if elements.contains_key(&node.unique_name()) {
|
2022-09-06 10:38:22 +00:00
|
|
|
let _ = write!(description, "{}. ", node.unique_name());
|
2022-01-10 13:17:08 +00:00
|
|
|
} else {
|
|
|
|
description =
|
2022-01-11 13:38:18 +00:00
|
|
|
self.process_gst_node(graphview, &node, elements, description.clone());
|
2022-01-10 13:17:08 +00:00
|
|
|
}
|
2021-12-15 12:25:13 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
description
|
|
|
|
}
|
|
|
|
|
2022-02-10 12:28:35 +00:00
|
|
|
pub fn pipeline_description_from_graphview(&self, graphview: &GM::GraphView) -> String {
|
|
|
|
let source_nodes = graphview.all_nodes(GM::NodeType::Source);
|
2022-01-10 13:17:08 +00:00
|
|
|
let mut elements: HashMap<String, String> = HashMap::new();
|
2021-12-15 12:25:13 +00:00
|
|
|
let mut description = String::from("");
|
2022-01-10 13:17:08 +00:00
|
|
|
for source_node in source_nodes {
|
|
|
|
description =
|
2022-01-11 13:38:18 +00:00
|
|
|
self.process_gst_node(graphview, &source_node, &mut elements, description.clone());
|
2021-12-15 12:25:13 +00:00
|
|
|
}
|
|
|
|
description
|
|
|
|
}
|
2022-02-10 12:28:35 +00:00
|
|
|
|
|
|
|
pub fn create_links_for_element(&self, element: &gst::Element, graphview: &GM::GraphView) {
|
|
|
|
let mut iter = element.iterate_pads();
|
|
|
|
let node = graphview
|
|
|
|
.node_by_unique_name(&element.name())
|
|
|
|
.expect("node should exists");
|
|
|
|
|
|
|
|
loop {
|
|
|
|
match iter.next() {
|
|
|
|
Ok(Some(pad)) => {
|
|
|
|
GPS_INFO!("Found pad: {}", pad.name());
|
|
|
|
|
|
|
|
if pad.direction() == gst::PadDirection::Src {
|
|
|
|
let port = node
|
|
|
|
.port_by_name(&pad.name())
|
|
|
|
.expect("The port should exist here");
|
|
|
|
if let Some(peer_pad) = pad.peer() {
|
|
|
|
if let Some(peer_element) = peer_pad.parent_element() {
|
|
|
|
let peer_node = graphview
|
|
|
|
.node_by_unique_name(&peer_element.name())
|
|
|
|
.expect("The node should exists here");
|
|
|
|
let peer_port = peer_node
|
|
|
|
.port_by_name(&peer_pad.name())
|
|
|
|
.expect("The port should exists here");
|
|
|
|
self.app.borrow().as_ref().unwrap().create_link(
|
|
|
|
node.id(),
|
|
|
|
peer_node.id(),
|
|
|
|
port.id(),
|
|
|
|
peer_port.id(),
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Err(gst::IteratorError::Resync) => iter.resync(),
|
|
|
|
_ => break,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn create_pads_for_element(&self, element: &gst::Element, node: &GM::Node) {
|
|
|
|
let mut iter = element.iterate_pads();
|
|
|
|
loop {
|
|
|
|
match iter.next() {
|
|
|
|
Ok(Some(pad)) => {
|
|
|
|
let pad_name = pad.name().to_string();
|
|
|
|
GPS_INFO!("Found pad: {}", pad_name);
|
|
|
|
let mut port_direction = GM::PortDirection::Input;
|
|
|
|
if pad.direction() == gst::PadDirection::Src {
|
|
|
|
port_direction = GM::PortDirection::Output;
|
|
|
|
}
|
|
|
|
let port_id = self.app.borrow().as_ref().unwrap().create_port_with_caps(
|
|
|
|
node.id(),
|
|
|
|
port_direction,
|
|
|
|
GM::PortPresence::Always,
|
|
|
|
pad.current_caps()
|
|
|
|
.unwrap_or_else(|| pad.query_caps(None))
|
|
|
|
.to_string(),
|
|
|
|
);
|
|
|
|
if let Some(port) = node.port(port_id) {
|
|
|
|
port.set_name(&pad_name);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Err(gst::IteratorError::Resync) => iter.resync(),
|
|
|
|
_ => break,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn create_properties_for_element(&self, element: &gst::Element, node: &GM::Node) {
|
|
|
|
let properties = ElementInfo::element_properties(element)
|
|
|
|
.unwrap_or_else(|_| panic!("Couldn't get properties for {}", node.name()));
|
|
|
|
for (property_name, property_value) in properties {
|
|
|
|
if property_name == "name"
|
|
|
|
|| property_name == "parent"
|
|
|
|
|| (property_value.flags() & glib::ParamFlags::READABLE)
|
|
|
|
!= glib::ParamFlags::READABLE
|
|
|
|
{
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if let Ok(value_str) = ElementInfo::element_property(element, &property_name) {
|
|
|
|
let default_value_str =
|
|
|
|
common::value_as_str(property_value.default_value()).unwrap_or_default();
|
|
|
|
GPS_DEBUG!(
|
|
|
|
"property name {} value_str '{}' default '{}'",
|
|
|
|
property_name,
|
|
|
|
value_str,
|
|
|
|
default_value_str
|
|
|
|
);
|
|
|
|
if !value_str.is_empty() && value_str != default_value_str {
|
|
|
|
node.add_property(&property_name, &value_str);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn graphview_from_pipeline_description(
|
|
|
|
&self,
|
|
|
|
graphview: &GM::GraphView,
|
|
|
|
pipeline_desc: &str,
|
|
|
|
) {
|
|
|
|
graphview.clear();
|
|
|
|
|
|
|
|
if let Ok(pipeline) = self.create_pipeline(pipeline_desc) {
|
|
|
|
let mut iter = pipeline.iterate_elements();
|
|
|
|
let mut elements: Vec<gst::Element> = Vec::new();
|
|
|
|
let elements = loop {
|
|
|
|
match iter.next() {
|
|
|
|
Ok(Some(element)) => {
|
|
|
|
GPS_INFO!("Found element: {}", element.name());
|
|
|
|
let element_factory_name = element.factory().unwrap().name().to_string();
|
|
|
|
let node = graphview.create_node(
|
|
|
|
&element_factory_name,
|
|
|
|
ElementInfo::element_type(&element_factory_name),
|
|
|
|
);
|
|
|
|
node.set_unique_name(&element.name());
|
|
|
|
graphview.add_node(node.clone());
|
|
|
|
self.create_pads_for_element(&element, &node);
|
|
|
|
self.create_properties_for_element(&element, &node);
|
|
|
|
elements.push(element);
|
|
|
|
}
|
|
|
|
Err(gst::IteratorError::Resync) => iter.resync(),
|
|
|
|
_ => break elements,
|
|
|
|
}
|
|
|
|
};
|
|
|
|
for element in elements {
|
|
|
|
self.create_links_for_element(&element, graphview);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
GPS_ERROR!("Unable to create a pipeline: {}", pipeline_desc);
|
|
|
|
}
|
|
|
|
}
|
2021-11-17 15:15:16 +00:00
|
|
|
}
|
2021-12-03 13:47:20 +00:00
|
|
|
|
2022-02-04 12:21:45 +00:00
|
|
|
impl Drop for PlayerInner {
|
2021-12-03 13:47:20 +00:00
|
|
|
fn drop(&mut self) {
|
|
|
|
if let Some(pipeline) = self.pipeline.borrow().to_owned() {
|
|
|
|
// We ignore any errors here
|
|
|
|
let _ = pipeline.set_state(gst::State::Null);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|