Graham, > On Jun 26, 2016, at 01:29, Graham Cox <graham....@bigpond.com> wrote: > > >> On 26 Jun 2016, at 3:22 PM, dangerwillrobinsondan...@gmail.com wrote: >> >> If it helps, you can think of it as an object oriented wrapped around C >> system calls that keeps track of PID and all the other bits like stdout and >> so on. >> That helps to grok why the args is and array and the tool is separate. > > > Yep, it makes perfect sense, and is a good fit for my needs. > > A follow up question, but this may be something that I’ll just have to grok > from the ffmpeg documentation - is there a way to get feedback from the > ffmpeg tool while it’s running, via NSTask? It writes a log to stderr, and > there are settings to control how verbose that is, but it would be necessary > to parse the text output to look for specific things. I need to know whether > the input stream has finished, or how big the output file has become. The > latter I may be able to do by looking at the file itself, not sure about the > first bit.
You can either asynchronously monitor the task's output with notifications, or I have read about a new API, but never used it, -setReadabilityHandler:^(NSFileHandle* file) Sandor > > —Graham > > > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/admin.szatmari.net%40gmail.com > > This email sent to admin.szatmari....@gmail.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
