Update SGVideoRenderer.m

Fix video replacing crash in background
nickarora · Sep 8, 2019 · 3e07a07 · 3e07a07
1 parent 72d35ab
commit 3e07a07
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/SGPlayer/Classes/Core/SGRenderer/SGVideoRenderer.m b/SGPlayer/Classes/Core/SGRenderer/SGVideoRenderer.m
@@ -395,7 +395,13 @@ - (void)drawInMTKView:(MTKView *)view
     }
     MTLViewport viewports[2] = {};
     NSArray<SGMetalProjection *> *projections = nil;
-    id<CAMetalDrawable> drawable = [(CAMetalLayer *)self->_metalView.layer nextDrawable];
+    CAMetalLayer *layer = (CAMetalLayer *)self->_metalView.layer;
+
+    if (layer.drawableSize.width == 0 || layer.drawableSize.height == 0) {
+        return;
+    }
+
+    id<CAMetalDrawable> drawable = [layer nextDrawable];
     MTLSize textureSize = MTLSizeMake(width, height, 0);
     MTLSize layerSize = MTLSizeMake(drawable.texture.width, drawable.texture.height, 0);
     switch (displayMode) {