Set explicit scaling mode for all SDL textures

app/streaming/video/ffmpeg-renderers/sdlvid.cpp

@@ -251,6 +251,11 @@ void SdlRenderer::renderOverlay(Overlay::OverlayType type)
 
             m_OverlayTextures[type] = SDL_CreateTextureFromSurface(m_Renderer, newSurface);
             SDL_FreeSurface(newSurface);
+
+            if (m_OverlayTextures[type]) {
+                // Overlays are always drawn at exact size
+                SDL_SetTextureScaleMode(m_OverlayTextures[type], SDL_ScaleModeNearest);
+            }
         }
 
         // If we have an overlay texture, render it too

app/streaming/video/ffmpeg.cpp

@@ -243,9 +243,6 @@ FFmpegVideoDecoder::FFmpegVideoDecoder(bool testOnly)
     SDL_zero(m_GlobalVideoStats);
 
     SDL_AtomicSet(&m_DecoderThreadShouldQuit, 0);
-
-    // Use linear filtering when renderer scaling is required
-    SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
 }
 
 FFmpegVideoDecoder::~FFmpegVideoDecoder()