[Slackbuilds-users] ZoneMinder build fails if ffmpeg is not installed

[Daniel Prosser]

GenoBob,

One final (I think) note: if you want to use the ZoneMinder API, you also
need to have  php-apcu installed. It would be good to document these things
so that users don't have to dig to find it.

Dan

On Tue, Jan 22, 2019 at 04:46:22AM +0000, Daniel Prosser wrote:
> Thanks Willy. A couple more notes/issues/fixes for this new version:
> 
> 1. By default, ZoneMinder now saves events as mp4 videos instead of
> frames. For this to work, x264 and libmp4v2 must be installed prior to
> building. It's still possible to just use image frames as before, but I
> think x264 and libmp4v2 need to be at least optional dependencies.
> Personally, I think they should be required, as otherwise the user will
> have to switch to saving image frames only.
> 
> 2. Even with x264 and libmp4v2 installed, ZoneMinder was still unable to
> save videos for me. I had to apply the attached patch for it to work.
> I'm not really sure why that's the case, since I didn't find any other
> reports of it not working as is. GenoBob, perhaps you and/or any other
> Slackware ZoneMinder users can report whether it works for you (and add
> this patch to the SlackBuild if appropriate)?
> 
> 3. This version stores events and other data in ZM_CONTENTDIR, which
> defaults to /var/lib/zoneminder. However, the SlackBuild script doesn't
> create this directory, so there are initially errors when running until
> the user manually creates it. (It needs to be owned by apache:apache). I
> recommend having the SlackBuild script create this directory as part of the
> package, and make it a build option so it can be changed at build time.
> 
> Don't take these comments as a criticism. I am really grateful for the
> script and I'm glad that it's basically working for me now. I was actually
> procrastinating upgrading to 1.32.x because of all the changes. I just
> want to help make the installation process as smooth as possible for
> others.
> 
> Dan
> 
> On Mon, Jan 21, 2019 at 06:56:13AM +0700, Willy Sudiarto Raharjo wrote:
> > > ffmpeg is listed as an optional dependency for ZoneMinder, but in a
> > > clean Slackware64-14.2 container, if ffmpeg isn't installed, I get the
> > > attached errors. Should ffmpeg be listed as a required dependency now?
> > 
> > Thanks Dan
> > 
> > I have added ffmpeg into the REQUIRES line now
> > 
> > Thanks
> > 
> > 
> > -- 
> > Willy Sudiarto Raharjo
> > 
> 
> 
> 

> --- src/zm_event.cpp    2019-01-21 23:17:19.881961455 -0500
> +++ src/zm_event.cpp.new        2019-01-21 23:17:38.452315254 -0500
> @@ -196,7 +196,7 @@
> 
>    if ( monitor->GetOptVideoWriter() != 0 ) {
>      snprintf(video_name, sizeof(video_name), "%" PRIu64 "-%s", id, "video.mp4");
> -    snprintf(video_file, sizeof(video_file), staticConfig.video_file_format, path, video_name);
> +    snprintf(video_file, sizeof(video_file), "%s/%s", path, video_name);
>      Debug(1,"Writing video file to %s", video_file );
> 
>      /* X264 MP4 video writer */

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