mirror of
https://gitlab.freedesktop.org/dabrain34/GstPipelineStudio.git
synced 2024-05-11 12:52:54 +00:00
graphbook: introduce element_factory_exists
This method helps to tell if a factory exists when loading a graph. If the factory does not exists, use light mode to display it and prevent some menu item and change its description.
This commit is contained in:
Stéphane Cerveau
parent
111750a33b
commit
f4be2299b9
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@ -100,3 +100,7 @@
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### app
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- [x] Add multiple graphviews with tabs.
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- [x] handle the caps setter element
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## 0.3.2
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### app
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- [x] check that element exists before creating it on file load.
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2
TODO.md
2
TODO.md
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@ -15,7 +15,6 @@
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- [ ] unable to connect element with incompatible caps.
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- [ ] Implement graph dot render/load
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- [ ] Add probes on each pad to monitor the pipeline
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- [ ] Render a media file
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- [ ] Offer compatible element to a pad (autorender)
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@ -32,7 +31,6 @@
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## bugs
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- [ ] check that element exists before creating it on file load.
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- [ ] Combo box is not well selected if the value is not linear such as flags. See flags in playbin
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- [ ] opening a graph file can lead a different behavior in the pipeline. See videomixer graph where the zorder
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on pads is not correctly set to right one.
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@ -46,6 +46,19 @@ impl ElementInfo {
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Ok(elements)
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}
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pub fn element_factory_exists(element_name: &str) -> bool {
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match ElementInfo::element_feature(element_name) {
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Some(_feature) => {
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GPS_DEBUG!("Found element factory name {}", element_name);
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true
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}
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None => {
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GPS_ERROR!("Unable to find element factory name {}", element_name);
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false
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}
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}
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}
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pub fn element_feature(element_name: &str) -> Option<gst::PluginFeature> {
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let registry = gst::Registry::get();
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gst::Registry::find_feature(®istry, element_name, gst::ElementFactory::static_type())
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@ -60,59 +73,68 @@ impl ElementInfo {
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pub fn element_description(element_name: &str) -> anyhow::Result<String> {
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let mut desc = String::from("");
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let feature = ElementInfo::element_feature(element_name)
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.ok_or_else(|| glib::bool_error!("Failed get element feature"))?;
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let rank = feature.rank();
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if let Ok(factory) = feature.downcast::<gst::ElementFactory>() {
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if !ElementInfo::element_factory_exists(element_name) {
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desc.push_str("<b>Factory details:</b>\n");
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desc.push_str("<b>Rank:</b>");
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let _ = write!(desc, "{rank:?}",);
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desc.push('\n');
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desc.push_str("<b>Name:</b>");
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desc.push_str(&factory.name());
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desc.push_str(element_name);
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desc.push('\n');
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desc.push('\n');
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desc.push_str("Factory unavailable.");
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} else {
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let feature = ElementInfo::element_feature(element_name)
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.ok_or_else(|| glib::bool_error!("Failed get element feature"))?;
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let rank = feature.rank();
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if let Ok(factory) = feature.downcast::<gst::ElementFactory>() {
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desc.push_str("<b>Factory details:</b>\n");
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desc.push_str("<b>Rank:</b>");
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let _ = write!(desc, "{rank:?}",);
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desc.push('\n');
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desc.push_str("<b>Name:</b>");
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desc.push_str(&factory.name());
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desc.push('\n');
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let element_keys = factory.metadata_keys();
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for key in element_keys {
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let val = factory.metadata(&key);
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if let Some(val) = val {
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desc.push_str("<b>");
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desc.push_str(&key);
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desc.push_str("</b>:");
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desc.push_str(>k::glib::markup_escape_text(val));
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let element_keys = factory.metadata_keys();
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for key in element_keys {
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let val = factory.metadata(&key);
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if let Some(val) = val {
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desc.push_str("<b>");
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desc.push_str(&key);
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desc.push_str("</b>:");
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desc.push_str(>k::glib::markup_escape_text(val));
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desc.push('\n');
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}
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}
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let feature = factory.upcast::<gst::PluginFeature>();
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let plugin = gst::PluginFeature::plugin(&feature);
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if let Some(plugin) = plugin {
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desc.push('\n');
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desc.push_str("<b>Plugin details:</b>");
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desc.push('\n');
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desc.push_str("<b>Name:");
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desc.push_str("</b>");
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desc.push_str(gst::Plugin::plugin_name(&plugin).as_str());
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desc.push('\n');
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desc.push_str("<b>Description:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(&plugin.description()));
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desc.push('\n');
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desc.push_str("<b>Filename:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(
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&plugin
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.filename()
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.unwrap_or_default()
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.as_path()
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.display()
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.to_string(),
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));
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desc.push('\n');
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desc.push_str("<b>Version:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(&plugin.version()));
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desc.push('\n');
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}
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}
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let feature = factory.upcast::<gst::PluginFeature>();
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let plugin = gst::PluginFeature::plugin(&feature);
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if let Some(plugin) = plugin {
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desc.push('\n');
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desc.push_str("<b>Plugin details:</b>");
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desc.push('\n');
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desc.push_str("<b>Name:");
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desc.push_str("</b>");
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desc.push_str(gst::Plugin::plugin_name(&plugin).as_str());
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desc.push('\n');
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desc.push_str("<b>Description:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(&plugin.description()));
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desc.push('\n');
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desc.push_str("<b>Filename:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(
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&plugin
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.filename()
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.unwrap_or_default()
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.as_path()
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.display()
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.to_string(),
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));
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desc.push('\n');
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desc.push_str("<b>Version:");
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desc.push_str("</b>");
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desc.push_str(>k::glib::markup_escape_text(&plugin.version()));
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desc.push('\n');
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}
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}
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Ok(desc)
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}
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@ -51,41 +51,43 @@ impl PadInfo {
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}
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pub fn pads(element_name: &str, include_on_request: bool) -> (Vec<PadInfo>, Vec<PadInfo>) {
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let feature = ElementInfo::element_feature(element_name).expect("Unable to get feature");
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let mut input = vec![];
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let mut output = vec![];
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if let Ok(factory) = feature.downcast::<gst::ElementFactory>() {
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if factory.num_pad_templates() > 0 {
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let pads = factory.static_pad_templates();
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for pad in pads {
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GPS_TRACE!("Found a pad name {}", pad.name_template());
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if pad.presence() == gst::PadPresence::Always
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|| (include_on_request
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&& (pad.presence() == gst::PadPresence::Request
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|| pad.presence() == gst::PadPresence::Sometimes))
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{
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if pad.direction() == gst::PadDirection::Src {
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output.push(PadInfo {
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name: Some(pad.name_template().to_string()),
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element_name: Some(element_name.to_string()),
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direction: PortDirection::Output,
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presence: PadInfo::pad_to_port_presence(pad.presence()),
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caps: Some(pad.caps().to_string()),
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});
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} else if pad.direction() == gst::PadDirection::Sink {
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input.push(PadInfo {
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name: Some(pad.name_template().to_string()),
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element_name: Some(element_name.to_string()),
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direction: PortDirection::Input,
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presence: PadInfo::pad_to_port_presence(pad.presence()),
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caps: Some(pad.caps().to_string()),
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});
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if let Some(feature) = ElementInfo::element_feature(element_name) {
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if let Ok(factory) = feature.downcast::<gst::ElementFactory>() {
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if factory.num_pad_templates() > 0 {
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let pads = factory.static_pad_templates();
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for pad in pads {
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GPS_TRACE!("Found a pad name {}", pad.name_template());
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if pad.presence() == gst::PadPresence::Always
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|| (include_on_request
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&& (pad.presence() == gst::PadPresence::Request
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|| pad.presence() == gst::PadPresence::Sometimes))
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{
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if pad.direction() == gst::PadDirection::Src {
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output.push(PadInfo {
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name: Some(pad.name_template().to_string()),
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element_name: Some(element_name.to_string()),
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direction: PortDirection::Output,
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presence: PadInfo::pad_to_port_presence(pad.presence()),
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caps: Some(pad.caps().to_string()),
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});
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} else if pad.direction() == gst::PadDirection::Sink {
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input.push(PadInfo {
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name: Some(pad.name_template().to_string()),
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element_name: Some(element_name.to_string()),
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direction: PortDirection::Input,
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presence: PadInfo::pad_to_port_presence(pad.presence()),
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caps: Some(pad.caps().to_string()),
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});
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}
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}
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}
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}
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}
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(input, output)
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} else {
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(input, output)
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}
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(input, output)
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}
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}
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@ -242,6 +242,10 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
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if let Some(node) = current_graphtab(&app).graphview().node(node_id) {
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let description = GPS::ElementInfo::element_description(&node.name()).ok();
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node.set_tooltip_markup(description.as_deref());
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if !GPS::ElementInfo::element_factory_exists(&node.name()) {
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node.set_light(true);
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node.set_tooltip_markup(description.as_deref());
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}
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for port in node.all_ports(GM::PortDirection::All) {
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let caps = PropertyExt::property(&port,"_caps");
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GPS_DEBUG!("caps={} for port id {}", caps.clone().unwrap_or_else(|| "caps unknown".to_string()), port.id());
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@ -382,6 +386,8 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
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glib::clone!(@weak graphbook => @default-return None, move |values: &[Value]| {
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let app = upgrade_weak!(app_weak, None);
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let node_id = values[1].get::<u32>().expect("node id args[1]");
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let node = current_graphtab(&app).graphview().node(node_id).unwrap();
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let element_exists = GPS::ElementInfo::element_factory_exists(&node.name());
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let point = values[2].get::<graphene::Point>().expect("point in args[2]");
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let pop_menu = app.app_pop_menu_at_position(&*current_graphtab(&app).graphview(), point.to_vec2().x() as f64, point.to_vec2().y() as f64);
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let menu: gio::MenuModel = app
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@ -390,16 +396,6 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
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.expect("Couldn't get menu model for node");
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pop_menu.set_menu_model(Some(&menu));
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.add-to-favorite",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.add-to-favorite id: {}", node_id);
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if let Some(node) = current_graphtab(&app).graphview().node(node_id) {
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GPSUI::elements::add_to_favorite_list(&app, node.name());
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};
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}
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);
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.delete",
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@ -409,42 +405,56 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
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current_graphtab(&app).graphview().remove_node(node_id);
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}
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);
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let node = app.node(node_id);
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if let Some(input) = GPS::ElementInfo::element_supports_new_pad_request(&node.name(), GM::PortDirection::Input) {
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if element_exists {
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.request-pad-input",
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app.connect_app_menu_action("node.add-to-favorite",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.request-pad-input id: {}", node_id);
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app.create_port_with_caps(node_id, GM::PortDirection::Input, GM::PortPresence::Sometimes, input.caps().to_string());
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GPS_DEBUG!("node.add-to-favorite id: {}", node_id);
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if let Some(node) = current_graphtab(&app).graphview().node(node_id) {
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GPSUI::elements::add_to_favorite_list(&app, node.name());
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};
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}
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);
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} else {
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app.disconnect_app_menu_action("node.request-pad-input");
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}
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let node = app.node(node_id);
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if let Some(output) = GPS::ElementInfo::element_supports_new_pad_request(&node.name(), GM::PortDirection::Output) {
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.request-pad-output",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.request-pad-output id: {}", node_id);
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app.create_port_with_caps(node_id, GM::PortDirection::Output, GM::PortPresence::Sometimes, output.caps().to_string());
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}
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);
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} else {
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app.disconnect_app_menu_action("node.request-pad-output");
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}
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.properties",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.properties id {}", node_id);
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let node = current_graphtab(&app).graphview().node(node_id).unwrap();
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GPSUI::properties::display_plugin_properties(&app, &node.name(), node_id);
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let node = app.node(node_id);
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if let Some(input) = GPS::ElementInfo::element_supports_new_pad_request(&node.name(), GM::PortDirection::Input) {
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.request-pad-input",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.request-pad-input id: {}", node_id);
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app.create_port_with_caps(node_id, GM::PortDirection::Input, GM::PortPresence::Sometimes, input.caps().to_string());
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}
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);
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} else {
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app.disconnect_app_menu_action("node.request-pad-input");
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}
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);
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let node = app.node(node_id);
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if let Some(output) = GPS::ElementInfo::element_supports_new_pad_request(&node.name(), GM::PortDirection::Output) {
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.request-pad-output",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.request-pad-output id: {}", node_id);
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app.create_port_with_caps(node_id, GM::PortDirection::Output, GM::PortPresence::Sometimes, output.caps().to_string());
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}
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);
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} else {
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app.disconnect_app_menu_action("node.request-pad-output");
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}
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let app_weak = app.downgrade();
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app.connect_app_menu_action("node.properties",
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move |_,_| {
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let app = upgrade_weak!(app_weak);
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GPS_DEBUG!("node.properties id {}", node_id);
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let node = current_graphtab(&app).graphview().node(node_id).unwrap();
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GPSUI::properties::display_plugin_properties(&app, &node.name(), node_id);
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}
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);
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}
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pop_menu.show();
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None
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}),
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@ -459,7 +469,9 @@ pub fn create_graphtab(app: &GPSApp, id: u32, name: Option<&str>) {
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let node_id = values[1].get::<u32>().expect("node id args[1]");
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GPS_TRACE!("Node double clicked id={}", node_id);
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let node = current_graphtab(&app).graphview().node(node_id).unwrap();
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GPSUI::properties::display_plugin_properties(&app, &node.name(), node_id);
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if GPS::ElementInfo::element_factory_exists(&node.name()) {
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GPSUI::properties::display_plugin_properties(&app, &node.name(), node_id);
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}
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None
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}),
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);
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