Re: [Mlt-devel] jackrack option in 0.7.3GIT causes segfault and numerous librdf error messages

[Dan D. <da...@de...>]

On Tue, May 17, 2011 at 5:35 PM, Dan Dennedy <da...@de...> wrote:
> On Tue, May 17, 2011 at 4:52 PM,  <in...@ba...> wrote:
>> Hi,
>>
>> Firstly thanks for the nice jack options finding their way into MLT, they
>> are welcome indeed!
>>
>> I have observed some problems in building recent 0.7.3GIT with jackrack
>> enabled. I develop AV Linux and have a whole host of audio related libs
>> within the distribution. I have observed in MLT builds with jackrack
>> enabled and 'dssi-vst' installed will result in melt segfaulting following
>> a dssi-vst scan. The scan is due to the recent ladspa identifying commits,
>> dssi-vst will allow Windows VST audio plugins to appear as ladspa plugins
>> so when melt launches and queries the system for ladspa plugins it will
>> include dssi-vst to scan them after which melt segfaults. Uninstalling
>> dssi-vst fixes the segfault.
>
> I have dssi-vst on my KXStudio box where I developed this enhancement,
> but I did not see this. What do you think can I do to prevent this?
> Does JACK Rack suffer this problem on your system?

One idea is to prevent Mlt from using dssi-vst. Does this help?

diff --git a/src/modules/jackrack/plugin_mgr.c
b/src/modules/jackrack/plugin_mgr.c
index 303326a..32e08e4 100644
--- a/src/modules/jackrack/plugin_mgr.c
+++ b/src/modules/jackrack/plugin_mgr.c
@@ -176,7 +176,8 @@ plugin_mgr_get_dir_plugins (plugin_mgr_t *
plugin_mgr, const char * dir)
       struct stat info;

       if (strcmp (dir_entry->d_name, ".") == 0 ||
-          strcmp (dir_entry->d_name, "..") == 0)
+          strcmp (dir_entry->d_name, "..") == 0 ||
+          strncmp (dir_entry->d_name, "dssi-vst", 8) == 0)
         continue;

       file_name = g_malloc (dirlen + 1 + strlen (dir_entry->d_name) + 1);