On 03/10/2014 06:38 PM, trracer dangly wrote: > Hello, > > I am having some trouble getting the seek() function in the file source > to work. > > My program has a non-repeating file source, and a GUI button with the > callback function set_button(). In the callback I have written the below > code, which should reset the file source to the beginning of the file: > > self.blocks_file_source_0.seek(0,0) > > When I press the button before the file source has streamed to the end, > the seek() works fine and resets the file source to the beginning. When > I press the button after the file source has streamed to the end and > stopped, the seek() does not work and nothing happens in the code. I > suspect this has something to do with the scheduler thinking this block > is done and ignoring it or deleting it or something, but I have been > unable to get it working the way I want it to.
You're on the right track: In a non-repeating file source, the block will return -1 after the file was read, which triggers a shutdown of the FG. So, what you really want is to restart the flow graph. Perhaps you need to write your own block which acts on your inputs. M _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
