a general error which doesn't fit in any other category. Make sure you add a custom message to the error call.
do not use this except as a placeholder for deciding where to go while developing code.
use this when you do not want to implement this functionality yet.
used when the element doesn't know the stream's type.
used when the element doesn't handle this type of stream.
used when there's no codec to handle the stream's type.
used when decoding fails.
used when encoding fails.
used when demuxing fails.
used when muxing fails.
used when the stream is of the wrong format (for example, wrong caps).
used when the stream is encrypted and can't be decrypted because this is not supported by the element.
used when the stream is encrypted and can't be decrypted because no suitable key is available.
the number of stream error types.
Stream errors are for anything related to the stream being processed: format errors, media type errors, ... They're typically used by decoders, demuxers, converters, ...