Wrapper class for GstBufferListIterator.
This class allows you to iterate through and modify a BufferList.
The iterator has no current buffer; its cursor position lies between buffers, immediately before the buffer that would be returned by next(). After iterating to the end of a group the iterator must be advanced to the next group by a call to nextGroup() before any further calls to next() can return buffers again.
The cursor position of a newly created iterator lies before the first group; a call to nextGroup() is necessary before calls to next() can return buffers.
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Definition at line 71 of file bufferlist.h.