[x264-devel] Re: Pause & Resume

[Tuukka Toivonen]

On Wed, 18 May 2005, Guillaume POIRIER wrote:

>> A recent thread on Doom9 got me to wondering how feasible it would be to
>> implement pause & resume for x264's encoder.
> A quick-and-dirty way to make the encode process pause and resume is
> to send the signals SIGSTOP and SIGCONT to the process. That worked
> fine for me.

Works, and I don't think it's dirty at all.

> Unfortunately, that doesn't allow you to resume it if you switch of
> your computer for instance.

For that one could use swsusp (software suspend) in Linux.
Works fine too, except on (my) SMP :(

There are some libraries for checkpointing a running program,
but last time I looked I found nothing that would work
straight out of the box (=without modifying the checkpointed program).

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