blf FIle Metadata

[max3-2]

Is your feature request related to a problem? Please describe.

When using the BLFReader(), file metadata is scarce (file, object_count, sizes, timestamps). Some other information would be very interesting, like applications that created the file and especially the channel list and channel types.

Describe the solution you'd like

Add more metadata to the blf object, namely application name and especially channel information. This should be in the file metadata since other software (namely MATLAB) produces fairly detailed data on channels before loading actual data, like

    ChannelID    Protocol    Objects
    _________    ________    _______

        1        "CAN"             0
        2        "CAN FD"    6048410
        3        "CAN"       5782778
        4        "CAN FD"          0

This can really help parsing the file. Alternatives see below

Describe alternatives you've considered

When running through the message genarator, messages contain the channel attribute. This is just an int value which suffices to sort the messages but has no informations as shown above.