Start adding infrastructure to retrieve video frames as texture

We're using RHI here, as that's what we need for Qt Quick anyway.
You can now set a QRhi object on QVideoSink. This can then be
used internally to create textures of the required format instead
of memory buffers.

QVideoSurfaceFormat will now tell you how many planes are required
for the format, and you can retrieve the textures for each plane
from QVideoFrame.

Change-Id: I86430db60a8f1aba07ec3b38e22b977cdaefaa0a
Reviewed-by: Doris Verria <doris.verria@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/multimedia/video/qvideoframe.h b/src/multimedia/video/qvideoframe.h
index c3eba5585..5e90b6ca1 100644
--- a/src/multimedia/video/qvideoframe.h
+++ b/src/multimedia/video/qvideoframe.h
@@ -61,8 +61,7 @@ public:
     enum HandleType
     {
         NoHandle,
-        GLTextureHandle,
-        MTLTextureHandle,
+        RhiTextureHandle
     };
 
     enum MapMode
@@ -114,6 +113,8 @@ public:
     int mappedBytes() const;
     int planeCount() const;
 
+    quint64 textureHandle(int plane);
+
     QVariant handle() const;
 
     qint64 startTime() const;