Class Structures

• GstDxva.DxvaAV1DecoderClass
• GstDxva.DxvaH264DecoderClass
• GstDxva.DxvaH265DecoderClass
• GstDxva.DxvaMpeg2DecoderClass
• GstDxva.DxvaVp8DecoderClass
• GstDxva.DxvaVp9DecoderClass