Alberto Alonso wrote:
OK, I read the docs that say that the buffering of 4 seconds
is needed so that fast forward and rewind work.
I am hoping that someone will help me understand why. If the
buffer doesn't have any back data I can understand the operations
to just leave the viewing cursor at the present position. However
if during the viewing they user decided to pause this would start
filling up the cache. This would then have the effect of being
able to forward/rewind as needed.
Any explanations?
Thanks,
Alberto
When you watch TV what MythTV is actually doing is:
- Encode TV signal
- Save encoded data to disk
- Read encoded data fom disk
- Decode data
- Display decoded data on TV
All this processing takes time - that's why there is a few second
delay when you change channels.
If the live TV signal was displayed directly without delay then you
would have a problem when you tried to pause, fast forward or rewind.
There would be a delay waiting for the decoder and the time would skip
backwards a few seconds.
Putting the delay at startup avoids a discontinuity during playback
and it was also probably easier to implement.
--
Regards,
Bob
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