#14234: ffmpeg 0.4.9-pre1 R5 vhook variant ---------------------------------+------------------------------------------ Reporter: dersh@alum.mit.edu | Owner: acho@macports.org Type: enhancement | Status: new Priority: Normal | Milestone: Port Enhancements Component: ports | Version: 1.6.0 Resolution: | Keywords: ffmpeg ---------------------------------+------------------------------------------ Comment (by dersh@alum.mit.edu): On my local copy I made a change to the port to get rid of --disable- vhook. It now does build with vhooks, and it also builds the vhook examples (it may have been doing this already, but I had not looked in the right place?). I tested a few of the examples and they do work. Except for ppm, which is the one that would be most useful. I did install netpbm. I did dig into the ppm.c example code enough to see that it just forks and opens pipes to another application. But it seems that the return data never arrives. So ffmpeg with -vhook '/opt/local/lib/vhook/ppm.dylib just hangs. I even tried a trivial example: -vhook '/opt/local/lib/vhook/ppm.dylib cat' and it just hangs. So it seems that there is a bug in ppm.c on the mac. I do realize that vhook is not listed as deprecated for ffmpeg, but at the same time the new libavfilter that is supposed to replace it seems not yet to be working either. So vhook is probably the best thing for now. -- Ticket URL: <http://trac.macosforge.org/projects/macports/ticket/14234#comment:2> MacPorts </projects/macports> Ports system for Mac OS