Hi Thank you for your help I tried your code but it doesn’t leak memory My code leaks memory only when these 2 lines are used err = av_hwdevice_ctx_create_derived(&encoderContext->hw_device_ctx, AV_HWDEVICE_TYPE_QSV, hardwareDeviceContext, 0); err = av_hwframe_ctx_create_derived(&encoderContext->hw_frames_ctx, AV_PIX_FMT_QSV, encoderContext->hw_device_ctx, hardwareFrameContext, 0); Best regards
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