xvimagepool: Update size, stride, and offset with allocated XvImage
Memory layout of XvImage might be different from that of GstVideoInfo. If so, the image size, stride, and offset would be wrongly informed.
Fixes: #677 (closed)
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Memory layout of XvImage might be different from that of GstVideoInfo. If so, the image size, stride, and offset would be wrongly informed.
Fixes: #677 (closed)