Add a decoder/renderer callback to specify the desired color range

app/streaming/video/decoder.h

@@ -68,6 +68,7 @@ public:
     virtual bool isHdrSupported() = 0;
     virtual int getDecoderCapabilities() = 0;
     virtual int getDecoderColorspace() = 0;
+    virtual int getDecoderColorRange() = 0;
     virtual QSize getDecoderMaxResolution() = 0;
     virtual int submitDecodeUnit(PDECODE_UNIT du) = 0;
     virtual void renderFrameOnMainThread() = 0;