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removed queue from appsink

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This commit is contained in:
Nickiel12 2024-06-03 11:09:31 -07:00
parent e9a125500e
commit b9969f746c
1 changed files with 16 additions and 18 deletions
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34
src/gstreamer_pipeline.rs
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@ -16,7 +16,6 @@ pub struct WebcamPipeline {
pub queue_app: Element,
pub sink_paintable: Element,
pub queue: Element,
pub resize: Element,
pub sink_frame: Arc<Mutex<AppSink>>,
}
@ -47,9 +46,14 @@ impl WebcamPipeline {
.build()
.context(BuildSnafu { element: "tee" })?;
let queue_app = ElementFactory::make("queue").build().context(BuildSnafu {
element: "paintable queue",
})?;
let queue_app = ElementFactory::make("queue")
.property("max-size-time", 1u64)
.property("max-size-buffers", 0u32)
.property("max-size-bytes", 0u32)
.build()
.context(BuildSnafu {
element: "paintable queue",
})?;
let sink_paintable = ElementFactory::make("gtk4paintablesink")
.name("gtk4_output")
.build()
@ -57,9 +61,9 @@ impl WebcamPipeline {
element: "gtkpaintablesink",
})?;
let queue = ElementFactory::make("queue").build().context(BuildSnafu {
element: "appsink queue",
})?;
// queue.connect_closure("overrun", false, glib::closure!(|queue: Element| {
// println!("The queue is full!");
// }));
let resize = ElementFactory::make("videoscale")
.build()
@ -67,7 +71,7 @@ impl WebcamPipeline {
element: "videoscale",
})?;
let caps_string = "video/x-raw,format=RGB,width=640,height=480,max-buffers=1,drop=true";
let caps_string = "video/x-raw,format=RGB,width=640,height=480";
// let caps_string = String::from("video/x-raw,format=RGB,max-buffers=1,drop=true");
let appsrc_caps = gstreamer::Caps::from_str(caps_string).context(BuildSnafu {
element: "appsink caps",
@ -76,7 +80,7 @@ impl WebcamPipeline {
let sink_frame = AppSink::builder()
.name("frame_output")
.sync(false)
.max_buffers(1u32)
.max_buffers(3u32)
.drop(true)
.caps(&appsrc_caps)
.build();
@ -92,7 +96,6 @@ impl WebcamPipeline {
&queue_app,
&sink_paintable,
&resize,
&queue,
&sink_frame.upcast_ref(),
])
.context(LinkSnafu {
@ -147,23 +150,19 @@ impl WebcamPipeline {
.ok_or(PipelineError::PadRequestError {
element: "tee pad 2".to_string(),
})?;
let appsink_queue_sinkpad =
queue
let appsink_resize_sinkpad =
resize
.static_pad("sink")
.ok_or(PipelineError::PadRequestError {
element: "appsink queue".to_string(),
})?;
tee_src_2
.link(&appsink_queue_sinkpad)
.link(&appsink_resize_sinkpad)
.context(PadLinkSnafu {
from: "tee src pad 2",
to: "appsink queue sinkpad",
})?;
queue.link(&resize).context(LinkSnafu {
from: "appsink queue",
to: "videoscale",
})?;
resize.link(&sink_frame).context(LinkSnafu {
from: "videoscale",
to: "appsink",
@ -177,7 +176,6 @@ impl WebcamPipeline {
queue_app,
sink_paintable,
resize,
queue,
sink_frame: Arc::new(Mutex::new(sink_frame)),
})
}