c - how to use gst_video_sink_center_rect to render video area? -

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मैं gst_video_sink_center_rect का उपयोग करने के लिए वीडियो को मैं सेट क्षेत्र को रेंडर करने देना चाहता हूं लेकिन मुझे नहीं पता कि इसका इस्तेमाल कैसे करना है केवल src और डीएसटी rect है मैं परिणाम तर्क के बारे में उलझन में हूँ। यह कैसे काम करता है?

<पूर्व> gst_video_sink_center_rect (GstVideoRectangle src, GstVideoRectangle डीएसटी, GstVideoRectangle * परिणाम, gboolean स्केलिंग);


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