From 0a6ed3c717fe996edf8e2044b6ca9aec0d9a904a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Sat, 14 Jan 2023 19:18:03 +0200
Subject: [PATCH] utils: streamproducer: Add new
 `ConsumptionLink::disconnected()` constructor

This allows constructing a new consumption link from an `appsrc` without
having it connected from the very beginning.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1189>
---
 gstreamer-utils/src/streamproducer.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gstreamer-utils/src/streamproducer.rs b/gstreamer-utils/src/streamproducer.rs
index 4301c102b..5e648029d 100644
--- a/gstreamer-utils/src/streamproducer.rs
+++ b/gstreamer-utils/src/streamproducer.rs
@@ -53,6 +53,17 @@ pub struct ConsumptionLink {
 }
 
 impl ConsumptionLink {
+    /// Create a new disconnected `ConsumptionLink`.
+    pub fn disconnected(consumer: gst_app::AppSrc) -> ConsumptionLink {
+        ConsumptionLink {
+            consumer,
+            producer: None,
+            dropped: Arc::new(atomic::AtomicU64::new(0)),
+            pushed: Arc::new(atomic::AtomicU64::new(0)),
+            discard: Arc::new(atomic::AtomicBool::new(false)),
+        }
+    }
+
     /// Replace the producer by a new one, keeping the existing consumer.
     pub fn change_producer(
         &mut self,