Thanks for the clear up.
Regards, Gustavo. On Fri, 2011-07-15 at 00:07 +0200, Jose E. Marchesi wrote: > Hi. > > In the filters' interface there seems to be the possibility that not > enough input to do the decoding is sent (an incomplete buffer). Is > it so? In case it's affirmative: when more data comes in, will it > come in a new assigned buffer or in an expansion of the same one? > > When the apply function empties the input buffer, it must return > PDF_STM_FILTER_APPLY_STATUS_NO_INPUT to request being called again with > more input in the input buffer. The input buffer is assumed to be empty > at that point (if some of the data in input could not be processed then > it is the responsibility of the filter to save it in some internal > buffer). > > Regarding output, the same: can I expand the buffer on my own > instead of requesting more space? > > The filter is not supposed to alter the size of the output buffer. > PDF_STM_FILTER_APPLY_STATUS_NO_OUTPUT is returned in that case. Again, > the filter can cache some of the output in an internal buffer if it > needs to. > > Hope that helped. >
