From b606f479e9c027c0289b98bfea1b30e57989ed10 Mon Sep 17 00:00:00 2001
From: Bruno <bruno.herbelin@gmail.com>
Date: Tue, 25 May 2021 09:08:51 +0200
Subject: [PATCH] Bugfix change device source resolution

---
 DeviceSource.cpp | 3 +++
 Source.cpp       | 7 +++++++
 Source.h         | 1 +
 3 files changed, 11 insertions(+)

diff --git a/DeviceSource.cpp b/DeviceSource.cpp
index 44cbc5c..5001758 100644
--- a/DeviceSource.cpp
+++ b/DeviceSource.cpp
@@ -384,10 +384,13 @@ void DeviceSource::setDevice(const std::string &devicename)
 
         pipeline << " ! videoconvert";
 
+        dettach();
+
         // open gstreamer
         stream_->open( pipeline.str(), best.width, best.height);
         stream_->play(true);
 
+
         // will be ready after init and one frame rendered
         ready_ = false;
     }
diff --git a/Source.cpp b/Source.cpp
index 1212f59..340f46b 100644
--- a/Source.cpp
+++ b/Source.cpp
@@ -425,6 +425,13 @@ void Source::render()
     }
 }
 
+void Source::dettach()
+{
+    // replace renderbuffer_
+    if (renderbuffer_)
+        delete renderbuffer_;
+    renderbuffer_ = nullptr;
+}
 
 void Source::attach(FrameBuffer *renderbuffer)
 {
diff --git a/Source.h b/Source.h
index 99f1c4c..d9e7978 100644
--- a/Source.h
+++ b/Source.h
@@ -246,6 +246,7 @@ protected:
     // NB: rendershader_ is applied at render()
     FrameBuffer *renderbuffer_;
     void attach(FrameBuffer *renderbuffer);
+    void dettach() ;
 
     // the rendersurface draws the renderbuffer in the scene
     // It is associated to the rendershader for mixing effects