From 7f73264f6654e834027bfdbb55e141a221d81579 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Mon, 27 Jun 2022 21:13:18 +0200
Subject: [PATCH] screencast: Also send the header when we just send the cursor
 update

When sending a frame that just updates the cursor, also increment the
sequential value of the frame
---
 src/plugins/screencast/screencaststream.cpp | 11 ++++++++---
 src/plugins/screencast/screencaststream.h   |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/plugins/screencast/screencaststream.cpp b/src/plugins/screencast/screencaststream.cpp
index ae2270ef3c..af1c8452fd 100644
--- a/src/plugins/screencast/screencaststream.cpp
+++ b/src/plugins/screencast/screencaststream.cpp
@@ -488,7 +488,13 @@ void ScreenCastStream::recordFrame(const QRegion &damagedRegion)
         }
     }
 
-    spa_meta_header *spaHeader = (spa_meta_header *)spa_buffer_find_meta_data(spa_buffer, SPA_META_Header, sizeof(spaHeader));
+    addHeader(spa_buffer);
+    tryEnqueue(buffer);
+}
+
+void ScreenCastStream::addHeader(spa_buffer *spaBuffer)
+{
+    spa_meta_header *spaHeader = (spa_meta_header *)spa_buffer_find_meta_data(spaBuffer, SPA_META_Header, sizeof(spaHeader));
     if (spaHeader) {
         spaHeader->flags = 0;
         spaHeader->dts_offset = 0;
@@ -500,8 +506,6 @@ void ScreenCastStream::recordFrame(const QRegion &damagedRegion)
         }
         spaHeader->pts = (timestamp - m_start.value()).count();
     }
-
-    tryEnqueue(buffer);
 }
 
 void ScreenCastStream::recordCursor()
@@ -531,6 +535,7 @@ void ScreenCastStream::recordCursor()
     spa_buffer->datas[0].chunk->size = 0;
     sendCursorData(Cursors::self()->currentCursor(),
                    (spa_meta_cursor *)spa_buffer_find_meta_data(spa_buffer, SPA_META_Cursor, sizeof(spa_meta_cursor)));
+    addHeader(spa_buffer);
     enqueue();
 }
 
diff --git a/src/plugins/screencast/screencaststream.h b/src/plugins/screencast/screencaststream.h
index 213b0d1aa2..789914f222 100644
--- a/src/plugins/screencast/screencaststream.h
+++ b/src/plugins/screencast/screencaststream.h
@@ -80,6 +80,7 @@ private:
     void updateParams();
     void coreFailed(const QString &errorMessage);
     void sendCursorData(Cursor *cursor, spa_meta_cursor *spa_cursor);
+    void addHeader(spa_buffer *spaBuffer);
     void newStreamParams();
     void tryEnqueue(pw_buffer *buffer);
     void enqueue();