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pipeline: move render_gst to this module

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Remove render_gst from graphview and define
it in pipeline.
This will allow to isolate properly the graphmanager
module.
This commit is contained in:
Stéphane Cerveau 2021-12-15 13:25:13 +01:00
parent 1263366e56
commit 914fc1f077
4 changed files with 56 additions and 44 deletions
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3
TODO.md
View file

@ -28,7 +28,7 @@ TODO:
## bugs
- [] crash with x11 on contextual menu
- [x] crash with x11 on contextual menu
- [] check that element exists before creating it on file load.
- [] open multiple times dialog (About) prevent to close it.
@ -36,3 +36,4 @@ TODO:
[] remove useless code from graphview
[] Move render to a specific module
[x] Move GST render to a specific module

16
src/app.rs
View file

@ -302,7 +302,13 @@ impl GPSApp {
let graph_view = app.graphview.borrow();
let pipeline = app.pipeline.borrow();
if pipeline.state() == PipelineState::Stopped {
pipeline.create_pipeline(&graph_view.render_gst()).expect("Unable to create the pipeline");
if let Err(err) = pipeline.create_pipeline(&pipeline.render_gst_launch(&graph_view)) {
GPSApp::show_error_dialog(
false,
format!("Unable to start a pipeline: {}", err)
.as_str(),
);
}
pipeline.set_state(PipelineState::Playing).expect("Unable to change state");
} else if pipeline.state() == PipelineState::Paused {
pipeline.set_state(PipelineState::Playing).expect("Unable to change state");
@ -320,7 +326,13 @@ impl GPSApp {
let graph_view = app.graphview.borrow();
let pipeline = app.pipeline.borrow();
if pipeline.state() == PipelineState::Stopped {
pipeline.create_pipeline(&graph_view.render_gst()).expect("Unable to create the pipeline");
if let Err(err) = pipeline.create_pipeline(&pipeline.render_gst_launch(&graph_view)) {
GPSApp::show_error_dialog(
false,
format!("Unable to start a pipeline: {}", err)
.as_str(),
);
}
pipeline.set_state(PipelineState::Paused).expect("Unable to change state");
} else if pipeline.state() == PipelineState::Paused {
pipeline.set_state(PipelineState::Playing).expect("Unable to change state");

40
src/graphmanager/graphview.rs
View file

@ -733,36 +733,6 @@ impl GraphView {
None
}
// * filesrc location=obama_last_speech.mp4 ! decodebin name=bin bin. ! audioconvert ! audioresample ! autoaudiosink bin. ! autovideosink
// Render graph methods
//TO BE MOVED
pub fn process_node(&self, node: &Node, mut description: String) -> String {
let private = imp::GraphView::from_instance(self);
let unique_name = node.unique_name();
description.push_str(&format!("{} name={}", node.name(), unique_name));
for (name, value) in node.properties().iter() {
description.push_str(&format!(" {}={}", name, value));
}
println!("{}", description);
let ports = node.all_ports(PortDirection::Output);
let n_ports = ports.len();
for port in ports {
if let Some((_port_to, node_to)) = self.port_connected_to(port.id()) {
if n_ports > 1 {
description.push_str(&format!(" {}. ! ", unique_name));
} else {
description.push_str(" ! ");
}
if let Some(node) = private.nodes.borrow().get(&node_to) {
description = self.process_node(node, description.clone());
}
}
}
description
}
pub fn unselect_all(&self) {
self.unselect_nodes();
self.unselect_links();
@ -792,16 +762,6 @@ impl GraphView {
self.queue_draw();
}
//TO BE MOVED
pub fn render_gst(&self) -> String {
let nodes = self.all_nodes(NodeType::Source);
let mut description = String::from("");
for node in nodes {
description = self.process_node(&node, description.clone());
}
description
}
pub fn render_xml(&self, filename: &str) -> anyhow::Result<(), Box<dyn error::Error>> {
let mut file = File::create(filename).unwrap();
let mut writer = EmitterConfig::new()

41
src/pipeline.rs
View file

@ -17,7 +17,7 @@
//
// SPDX-License-Identifier: GPL-3.0-only
use crate::app::GPSApp;
use crate::graphmanager::NodeType;
use crate::graphmanager::{GraphView, Node, NodeType, PortDirection};
use gst::prelude::*;
use gstreamer as gst;
use std::cell::{Cell, RefCell};
@ -363,6 +363,45 @@ impl Pipeline {
Err(_e) => false,
}
}
// Render graph methods
pub fn process_node(
&self,
graphview: &GraphView,
node: &Node,
mut description: String,
) -> String {
let unique_name = node.unique_name();
description.push_str(&format!("{} name={}", node.name(), unique_name));
for (name, value) in node.properties().iter() {
description.push_str(&format!(" {}={}", name, value));
}
let ports = node.all_ports(PortDirection::Output);
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 {
description.push_str(&format!(" {}. ! ", unique_name));
} else {
description.push_str(" ! ");
}
if let Some(node) = graphview.node(&node_to) {
description = self.process_node(graphview, &node, description.clone());
}
}
}
description
}
pub fn render_gst_launch(&self, graphview: &GraphView) -> String {
let nodes = graphview.all_nodes(NodeType::Source);
let mut description = String::from("");
for node in nodes {
description = self.process_node(graphview, &node, description.clone());
}
description
}
}
impl Drop for PipelineInner {