Converts the level indication (general_level_idc) in the stream's profile_tier_level structure into a string. The profiel_tier_level is expected to have the same format as for gstpbutils.global.codecUtilsH264GetProfile.
Pointer to the profile_tier_level for the stream
The level as a const string, or null if there is an error.
Converts the level indication (general_level_idc) in the stream's profile_tier_level structure into a string. The profiel_tier_level is expected to have the same format as for gstpbutils.global.codecUtilsH264GetProfile.